US Pat. No. 9,107,257

ADAPTIVE FREQUENCY CONTROL TO CHANGE A LIGHT OUTPUT LEVEL

OSRAM SYLVANIA Inc., Dan...

1. A light output control apparatus, comprising:
a switched mode power converter configured to switch output current to a light emitting diode (LED) module at a switching
frequency, the switching frequency having a corresponding switching period, the LED module comprising at least one LED lighting
element; and

control circuitry, wherein the control circuitry is configured to receive a dimming control input, the dimming control input
corresponding to a desired light output level of the LED module, to provide a pulse width modulation (PWM) output configured
to pulse width modulate the output current, wherein the PWM output has a pulse width, a PWM frequency, and a PWM period corresponding
to the PWM frequency, and to adjust at least one of the PWM period and the switching period in response to a change in the
dimming control input and to adjust the at least one of the PWM period and the switching period so that the PWM pulse width
is an integral multiple of the switching period, such that a light output level of the LED module is appropriately changed.

US Pat. No. 9,349,921

INDEX MATCHED COMPOSITE MATERIALS AND LIGHT SOURCES INCORPORATING THE SAME

OSRAM SYLVANIA Inc., Wil...

1. A composite, comprising a matrix and a filler, wherein:
said matrix comprises a core-shell particle assembly comprising core-shell particles, said core-shell particles comprising
an inorganic core and a polymeric shell, said core-shell particle assembly independently exhibiting a refractive index n1 for light in a first wavelength range;

said at least one filler comprises particles of at least one material, said particles being incorporated into said matrix,
embedded into a surface of said matrix, or a combination thereof; and

said filler independently exhibiting a refractive index n2 for light in said first wavelength range, wherein n1 differs from n2 by less than or equal to about 10% and said filler is a wavelength-conversion material is selected from a cerium-activated
yttrium aluminum garnet (YAG:Ce), a cerium-activated yttrium gadolinium aluminum garnet (YGdAG:Ce), a cerium-activated lutetium
aluminum garnet (LuAG:Ce), a europium-activated alkaline earth (AE) silicon oxynitride (AE-SiON:Eu), where AE designates at
least one element selected from Ba, Sr, and Ca, or a europium-activated metal SiAlON (M-SiAlON:Eu), where M is chosen from
alkali ions, rare earth ions, alkaline earth ions, Y, and Sc.

US Pat. No. 9,350,253

POWER SUPPLY FAULT PROTECTION CIRCUIT WITH PRIMARY SIDE SHUTDOWN AND RESTART

OSRAM SYLVANIA Inc., Wil...

1. A fault protection system for a power supply having a primary side and secondary side separated by a galvanic barrier,
the system comprising:
a fault detection circuit configured to declare a fault mode in response to fault detection;
an isolated control circuit configured to deliver a shutdown signal from the secondary side to the primary side without violating
the galvanic barrier, in response to an indication of fault from the fault detection circuit;

an auxiliary power circuit having an output node from which current to the fault detection circuit is provided during the
fault mode; and

a switch circuit configured to connect the isolated control circuit to the auxiliary power circuit during the fault mode,
so that an auxiliary current can flow through the isolated control circuit to the output node of the auxiliary power circuit.

US Pat. No. 9,086,200

THERMAL MANAGEMENT SOLUTION FOR CASE CORNER LIGHTING SYSTEM

OSRAM SYLVANIA Inc., Dan...

1. A thermal management system for a display case having a corner, comprising:
a lighting system support positioned in the corner of the display case;
a lighting system comprising a reflector and a heat-generating light source, wherein the heat-generating light source is mounted
with the reflector, and wherein the lighting system is associated with the lighting system support;

a mullion positioned between the lighting system support and the lighting system, the mullion to maintain a desired relative
position between the lighting system support and the lighting system; and

a contactor between the lighting system support and the lighting system, wherein the contactor provides minimal thermal conduction
between the lighting system support and the lighting system whereby heat transfer from the heat-generating light source to
the lighting system support is reduced, thereby reducing an amount of heat transferred to the corner of the display case.

US Pat. No. 9,103,523

RUNWAY SIGN HAVING A REPLACEABLE SINGLE LED LAMP

OSRAM SYLVANIA Inc., Dan...

1. A two-sided airport runway sign (10), comprising:
a rectangular, translucent front face (11),

a rectangular, translucent rear face (11) generally parallel to the front face (11) and longitudinally separated from the front face (11) by first and second longitudinal edges (17, 16), the front and rear faces (11) and the first and second longitudinal edges (17, 16) bounding an interior volume of the runway sign (10); and

a single LED lamp (1) being electrically energized in operational use, the LED lamp (1) being disposed proximate the first longitudinal edge (17) of the interior volume, the LED lamp (1) being selectively removable from and replaceable into the runway sign (10), the LED lamp (1) having a plurality of spaced LEDs (2);

wherein the energized LED lamp (1) provides direct illumination to both the front and rear faces (11) simultaneously along a direct optical path between the lamp (1) and the front and rear faces (11) that is unobstructed by interaction with any further optical element; and

wherein the interior volume that is spaced away from both said single LED lamp (1) and said front and rear faces (11) is devoid of a diffuser (130) optically adjacent the LED lamp (1).

US Pat. No. 9,491,820

HYBRID DIMMING CONTROL TECHNIQUES FOR LED DRIVERS

OSRAM SYLVANIA INC., Wil...

1. A lighting driver circuit, comprising:
an AC current source driven by a pulse train having a duty cycle, the current source configured to output a current to at
least one LED assembly and the AC current source comprises a resonant tank circuit; and

a controller operatively coupled to the current source and configured to, in response to a dimming signal, perform frequency
modulation dimming at high brightness levels wherein frequency modulation dimming comprises changing the frequency of pulses
within the pulse train, and perform burst control dimming at low brightness levels wherein burst control dimming comprises
changing the duty cycle of the pulse train wherein dimming at high brightness levels comprises dimming the at least one LED
assembly by increasing the frequency of the pulses within the pulse train up to a maximum frequency threshold and the maximum
frequency threshold is the resonant frequency of the resonant tank circuit.

US Pat. No. 9,312,308

ORGANIC LIGHTING DEVICE AND LIGHTING EQUIPMENT

OSRAM OLED GmbH, Regensb...

1. A luminous means comprising:
a substrate having a first main surface, to which a first electrode is applied;
a second electrode;
an organic layer stack within an active region of the substrate between the first and the second electrode, wherein the organic
layer stack comprises at least one organic layer which is suitable for generating light; and

a sensor adapted for determining the color locus and/or the brightness of a light.

US Pat. No. 9,212,788

COMPACT, THERMALLY-ENHANCED SUBSTRATE FOR LIGHTING APPLICATIONS

OSRAM SYLVANIA Inc., Wil...

1. A solid state light source module, comprising:
a solid state light source;
a substrate having an upper surface and a lower surface, wherein the solid state light source is connected to the substrate,
wherein the substrate includes a recessed pocket in the upper surface, wherein the solid state light source is located in
the recessed pocket; and

an electrical connection from the solid state light source, such that the solid state light source is able to receive power
so as to generate light.

US Pat. No. 9,210,768

ILLUMINATION TECHNIQUES AND DEVICES

OSRAM SYLVANIA Inc., Wil...

1. A lighting system comprising:
a first luminaire including a first light source configured to emit white light from a front facing surface of the lighting
system wherein the resultant white light simulates at least one of an intensity, color and/or color temperature of sunlight;

a second luminaire including a second light source configured to emit colored light from a rear facing surface of the lighting
system and producing a wash of emitted colored light on a surface to which the lighting system is mounted and wherein the
resultant mixed colored light simulates at least one of an intensity, color, and/or temperature of the sky; and

lighting controller circuitry operatively coupled with the first light source and the second light source wherein the light
emitted by the first luminaire and by the second luminaire is tuned to adjust at least one of an intensity, color and/or color
temperature to simulate changes in the sunlight and the sky over a period of daytime.

US Pat. No. 9,142,732

LED LAMP WITH QUANTUM DOTS LAYER

OSRAM SYLVANIA Inc., Dan...

1. A lighting device (100) comprising:
a light-emitting source (101);

a first phosphor layer (102) disposed either directly or indirectly on top of the light source (101);

a first quantum dots layer (103) disposed directly on top of the first phosphor layer (101), the first quantum dots layer (103) comprising at least one population of quantum dots (106) dispersed in a first matrix material (107);

a second phosphor layer (104) disposed directly on top of the first quantum dots layer (103), the first and second phosphor layers (102), (104) each comprising at least one population of phosphor particles (105); and

a second quantum dots layer (205) disposed directly on top of the second phosphor layer (204), the second quantum dots layer (205) comprising at least one population of quantum dots (208) dispersed in a second matrix material (207).

US Pat. No. 9,137,878

DYNAMIC LIGHTING BASED ON ACTIVITY TYPE

OSRAM SYLVANIA Inc., Dan...

1. A lighting system, comprising:
an activity interpreter module for receiving sensor data from one or more activity sensors, the sensor data reflecting an
activity occurring in a space to be illuminated, the activity interpreter module further configured for identifying the activity
reflected in the sensor data;

a lighting control module for generating a lighting control signal based on the identified activity in the sensor data, wherein
the lighting control signal is for dynamically adjusting at least one of the direction and color of light to be applied to
the space further wherein the activity interpreter module labels the identified activity and the lighting control module comprises
a look-up table that lists a plurality of lighting control signals indexed by activity, thereby allowing an appropriate lighting
control signal to be generated based on the identified activity; and

a context-aware experience sampling application running on a mobile, user device wherein in response to the identified activity,
prompts the user on feedback to the adjusting at least one of the direction and color of light applied to the space.

US Pat. No. 9,332,619

SOLID-STATE LUMINAIRE WITH MODULAR LIGHT SOURCES AND ELECTRONICALLY ADJUSTABLE LIGHT BEAM DISTRIBUTION

OSRAM SYLVANIA Inc., Wil...

1. A solid-state luminaire comprising:
a housing;
a plurality of power sockets arranged over the housing;
a processor configured to process at least one of position data and orientation data pertaining to a given power socket; and
a controller configured to utilize at least one of the position and location data pertaining to that power socket in electronically
controlling light emitted by a solid-state light source operatively interfaced therewith, wherein the controller provides
for pixelated control over light distribution of the solid-state luminaire, allowing for partial population of the plurality
of power sockets with one or more solid-state light sources while providing a target light beam distribution.

US Pat. No. 9,515,235

SILICONE-GRAFTED CORE-SHELL PARTICLES, POLYMER MATRIX, AND LED CONTAINING SAME

OSRAM SYLVANIA Inc., Wil...

1. A silicone-grafted core-shell particle comprising a core of an inorganic particle and a shell of a grafted poly(dimethylsiloxane)
polymer formed from a bi-terminated poly(dimethylsiloxane) having reactive groups at each terminal end.

US Pat. No. 9,504,103

DRIVING A MULTI-COLOR LUMINAIRE

OSRAM SYLVANIA Inc., Wil...

1. A lighting system, comprising:
a temperature sensor circuit configured to generate a temperature sense signal;
a duty cycle generator circuit configured to receive the temperature sense signal and generate a pulse width modulated (PWM)
signal having a duty cycle that changes in response to changes in temperature as indicated by the temperature sense signal;
and

an array of solid state light sources comprising a plurality of strings of solid state light sources, wherein at least one
string of solid state light sources in the plurality of strings of solid state light sources is operatively coupled to a switch
controlled by the PWM signal, wherein the switch controls current flow through the plurality of strings of solid state light
sources;

wherein the duty cycle generator comprises:
a duty-cycle-to-voltage conversion stage to convert the PWM signal to a DC voltage;
an error amp configured to provide negative feedback to regulate the DC voltage;
a ramp generator configured to generate a periodic ramp signal; and
a comparator configured to receive both the output of the error amp and the ramp signal as inputs and to generate the PWM
signal therefrom.

US Pat. No. 9,140,420

EDGE-LIT LIGHT PANEL HAVING A DOWNLIGHT WITHIN A LINED INDENTATION IN THE PANEL

OSRAM SYLVANIA Inc., Dan...

1. A light fixture for producing downward-propagating illumination, comprising:
a downward-facing panel producing diffuse light, the panel being generally flat and having an indentation, the indentation
having a lining that produces diffuse light, the panel and the lining having essentially the same luminance; wherein the downward-facing
panel has a rectangular surface in plane parallel with a ceiling surface and has four edges of the rectangular surface sized
and dimensioned to be received within a ceiling tile cavity used with a hanging grid ceiling;

a downlight recessed into the indentation, the downlight producing a directional beam that emerges downward from within the
indentation, the directional beam having a luminance controllable separately from the diffuse light wherein the indentation
produces a curved and funnel-shaped surface around the circumference of the indentation and within a center region of the
rectangular surface extending from the generally flat rectangular surface of the downward-facing panel to a surface of the
recessed downlight.

US Pat. No. 9,743,483

TECHNIQUES FOR LUMEN MAINTENANCE AND COLOR SHIFT COMPENSATION

OSRAM SYLVANIA Inc., Wil...

1. A lighting assembly, comprising:
a diffusible light source to illuminate an area by providing light output, wherein the provided light output is measured in
lumens;

a photo detector configured to measure lumen output of the diffusible light source and a golden sample light beam; and
a directed light source to provide the golden sample light beam, wherein the golden sample light beam is used to calibrate
the photo detector.

US Pat. No. 9,182,107

LUMINAIRE ADAPTER WITH TOMBSTONE COVER

OSRAM SYLVANIA Inc., Dan...

1. A luminaire adapter, comprising:
a tombstone cover comprising a housing that defines a slot opening to accept a tombstone socket and a receiver; and
a light source bracket comprising an attachment to a luminaire and a connector configured to connect to the receiver, wherein
the attachment couples the light source bracket to the luminaire.

US Pat. No. 9,291,330

RETROFIT-STYLE LAMP AND FIXTURE, EACH INCLUDING A ONE-DIMENSIONAL LINEAR BATWING LENS

OSRAM SYLVANIA Inc., Wil...

1. A lamp comprising:
a plurality of light sources;
a housing defining in part a region in which the plurality of light sources is located, wherein the housing includes a connector
capable of connecting to a corresponding socket;

an electrical component to deliver power to the plurality of light sources from the corresponding socket; and
a one-dimensional linear batwing lens comprising:
a bottom edge of a lower portion of the one-dimensional linear batwing lens, wherein the bottom edge has a non-linear shape
that results in a first cylindrical arc and a second cylindrical arc on opposite sides of a center of the bottom edge, wherein
the first cylindrical arc has a first radius of curvature and the second cylindrical arc has a second radius of curvature;

a left edge of an upper portion of the one-dimensional linear batwing lens, wherein the left edge is located above the housing;
a right edge of the upper portion, wherein the right edge is located above the housing; and
a first outer edge and a second outer edge of the upper portion;
wherein the first outer edge extends convexly out from a center of the upper portion towards the left edge and the second
outer edge extends convexly out from the center of the upper portion towards the right edge, defining a dip therebetween,
wherein a first angle between the first outer edge and the left edge is obtuse, and wherein a second angle between the second
outer edge and the right edge is obtuse.

US Pat. No. 9,103,520

COMBINATION TURN AND TAIL MULTI-COLOR LED LAMP

OSRAM SYLVANIA Inc., Dan...

1. A vehicle light module (10) LED combination lamp having a first indicator lamp and a second indicator lamp, comprising:
a heat sink (2) and a printed circuit board (12) in thermal communication with said heat sink (2), said printed circuit board having disposed thereon a plurality of LEDs, said plurality of LEDs comprising a first LED (16) emitting a first color adapted to form said first indicator lamp and a plurality of second LEDs (14) in surrounding relation to said first LED (16), said plurality of second LEDs (14) emitting a second color different from said first color wherein said second color is adapted to form said second indicator
lamp;

a transparent collimating inner light guide (18) in optical communication with said first LED (16), said first inner guide defining a central optical longitudinal lamp axis (50) extending away from said printed circuit board;

a transparent collimating outer light guide (30) in optical communication with said plurality of second LEDs (14), said outer light guide (30) defining an internal cavity (46) such that said outer light guide (30) is, in a radial direction, disposed around said inner light guide (18);

said inner light guide (18) having

a first light input region (20) proximal said printed circuit board (12),

a first light output region (22) distal from said printed circuit board (12), and

a first central portion (24) configured to pass light received from said first light input region (20) toward said first light output region (22),

said first light output region (22) defining a first reflecting surface (28) positioned to reflect light incident thereon away from the lamp axis (50);

a first mirror (40) mounted proximate said inner light guide (18) in optical communication with light from said first LED (16) exiting said first light output region (22);

said outer light guide (30) having

a second light input region (32) proximal said printed circuit board (12),

a second light output region (34) distal from said printed circuit board (12), and

a second central portion (38) configured to pass light received from said second light input region (32) toward said second light output region (34),

said second light output region (34) defining a second reflecting surface (35) positioned to reflect light incident thereon away from the lamp axis (50); and

a second mirror (42) mounted adjacent the second light output region in optical communication with light from said plurality of second LEDs (14) exiting said second light output region (34).

US Pat. No. 9,379,608

COMMUNICATION SYSTEM WITH VARIABLE OUTPUT SUPPLY CURRENT

OSRAM SYLVANIA Inc., Wil...

1. A communication system comprising:
an input comprising a positive terminal and a negative terminal to receive a continuous voltage from a voltage generator,
wherein the input is coupled to an output comprising a positive terminal and a negative terminal;

a current regulator configure to limit the supply current provided by the voltage generator to the output to a maximum value;
a communication interface connected in parallel with the output, wherein the electrical impedance between the positive terminal
and the negative terminal of the output is varied to transmit data; and

a control circuit configured to detect the output voltage between the positive terminal and the negative terminal of the output,
and to vary the maximum value of the supply current provided by the voltage generator as a function of the detected output
voltage.

US Pat. No. 9,515,566

AUXILIARY POWER SUPPLY FOR AC POWERED ELECTRONICS

OSRAM SYLVANIA Inc., Wil...

1. An auxiliary power supply circuit, comprising:
a linear regulator configured to receive a line voltage from an AC voltage source;
a switch connected to the linear regulator, wherein the linear regulator only operates when the switch is active; and
a control circuit configured to close the switch based on the instantaneous value of the line voltage.

US Pat. No. 9,301,375

MULTIPLE STRIKE BALLAST WITH LAMP PROTECTION FOR ELECTRODELESS LAMP

OSRAM SYLVANIA INC., Wil...

1. A multi-strike ballast to ignite an electrodless lamp, the multi-strike ballast comprising:
an inverter circuit configured to send an ignition pulse to the electrodeless lamp following activation of the inverter circuit,
to shut down upon receiving a deactivation signal, and to activate upon receiving an activation signal;

a protection circuit configured to sense a change in voltage associated with the electrodeless lamp;
a controller, wherein the controller is configured to receive the sensed change in voltage associated with the electrodeless
lamp from the protection circuit and in response to send a deactivation signal to the inverter circuit, to wait a predetermined
time, following the predetermined time to send an activation signal to the inverter circuit, and to repeat until the protection
circuit does not sense a change in voltage associated with the electrodeless lamp or until a predefined number of repeats
occur; and

a buck converter, wherein the buck converter is configured to receive the activation signal and the deactivation signal from
the controller, such that the buck converter controls activation and shut down of the inverter circuit based on the signal
received from the controller.

US Pat. No. 9,134,714

SYSTEMS AND METHODS FOR DISPLAY OF CONTROLS AND RELATED DATA WITHIN A STRUCTURE

OSRAM SYLVANIA Inc., Dan...

1. A method comprising:
displaying, via a user interface of a computer system, an image representing at least a portion of a structure, wherein at
least a portion of the image is a three-dimensional representation;

receiving a selection of a parameter for a zone of the structure, wherein the parameter describes a measurable condition of
the zone;

generating a polygon based on the selected parameter, wherein the polygon includes an indicator;
expanding the polygon, wherein expanding creates a gradient in the indicator; and
displaying, via the user interface, wherein the expanded polygon is a gradient indicator representing the measurable condition
associated with the zone of the structure, wherein the gradient indicator is displayed with the image in accordance with the
zone for the parameter.

US Pat. No. 9,388,959

WHITE-LIGHT EMITTER HAVING A MOLDED PHOSPHOR SHEET AND METHOD OF MAKING SAME

OSRAM SYLVANIA Inc., Wil...

1. A white-light emitter, consisting of:
a silicone sheet having a phosphor concentration between two percent and ten percent;
a first optically clear plastic sheet (4) with a single material and having only a single layer;

a second optically clear plastic sheet (5) with a single material and having only a single layer; and

wherein the first and second optically clear plastic sheets are laminated on opposite sides of the silicone sheet and directly
contacting the silicone sheet, wherein the plastic sheets are directly contactingly scaled together at lateral edges thereof
surroundingly sealing the silicone sheet and devoid of an intermediary between sealed lateral edges thereof;

whereby the white-light emitter possesses a self-shape retaining ability.

US Pat. No. 9,485,838

LIGHTING SYSTEM FOR CONTAINED ENVIRONMENTS

OSRAM SYLVANIA Inc., Wil...

1. A lighting system for a contained environment, the system comprising:
a luminaire including at least one solid-state light source and configured to recreate a lighting environment of a remote
location in the contained environment;

a display device including a plurality of solid-state light sources and configured to display images from the remote location
wherein the luminaire provides the lighting environment in concert with images displayed on the display device; and

a controller operatively coupled to the luminaire and the display device, wherein the controller is configured to automatically
change the light output emitted in the contained environment by the luminaire and the display device based on a destination
floor of the contained environment location, wherein the contained environment is an elevator.

US Pat. No. 9,335,210

TECHNIQUES FOR LUMEN MAINTENANCE AND COLOR SHIFT COMPENSATION

OSRAM SYLVANIA INC., Wil...

1. A lighting assembly, comprising:
a diffusible light source to illuminate an area by providing light output, wherein the provided light output is measured in
lumens;

a photo detector configured to measure lumen output of the diffusible light source and a golden sample light beam;
a directed light source to provide the golden sample light beam, wherein the golden sample light beam is used to calibrate
the photo detector; and

a controller configured to determine a photo detector calibration factor based on a first lumen output measurement of the
directed light source and a second lumen output measurement of the directed light source, the calibration factor indicative
of photo detector degradation over a period of time between the first lumen output measurement and the second lumen output
measurement.

US Pat. No. 9,396,925

PARTIALLY COATED VEHICLE LAMP CAPSULE

OSRAM SYLVANIA Inc., Wil...

1. A partially coated vehicle halogen lamp capsule (12), comprising
a capsule envelope (20) having an upper region (25), a lower capsule base (26), and defining a longitudinal optical axis (O);

a filament (24) mounted within the capsule envelope (20) for emitting light when energized by electrical energy, said filament (24) mechanically supported by and electrically coupled to filament supports (30, 32) located within said capsule (12) and electrically connected to leads (34, 36) extending from said capsule base (26);

the filament (24) having a filament axial extent along said capsule optical axis (O), the filament (24) defining a filament distal portion (27) proximate the capsule upper region (25) and a filament proximal portion (29) located proximate the capsule base (26);

the capsule envelope (20) being coated with a light-transmissive coating (60) in a region extending between the capsule base (26) and a location, as seen along the optical axis (O), axially above the filament distal portion (27), with the exception of two uncoated windows (62) disposed along the capsule envelope (20);

wherein the windows (62) are devoid of the light-transmissive coating (60) and disposed in register with one another on opposite sides of an imaginary plane (P) intersecting the optical axis (O)
and in which plane (P) the optical axis (O) lies;

each window (62) having an axial extent, as seen along the optical axis (O), that extends below the filament proximal portion (29) towards the capsule base (26); and

each window (62) having an angular extent, in a direction around the optical axis (O) on the capsule envelope (20), such that it is bounded by respective coated portions (64) on the capsule envelope (20) that have the light-transmissive coating (60) and wherein each coated portion (64) extends angularly in a region unoccupied by the two uncoated windows (62).

US Pat. No. 9,265,114

DRIVER CIRCUIT FOR SOLID STATE LIGHT SOURCES

OSRAM SYLVANIA INC., Wil...

1. A driver circuit comprising:
a rectifier circuit configured to receive an alternating current (AC) input voltage and to provide a rectified AC voltage;
a switching converter circuit coupled to a light source including one or more solid state light sources, the switching converter
circuit configured to provide a direct current (DC) output to the light source in response to the rectified AC voltage; and

a mixing circuit coupled to the light source to switch current through at least one solid state light source of the light
source in response to each of a plurality of consecutive half-waves of the rectified AC voltage, wherein the mixing circuit
comprises:

a switch circuit having a conductive state, wherein the switch circuit is coupled to the at least one solid state light source;
a controller circuit configured to provide a controller output to change the conductive state of the switch circuit in response
to each of the plurality of half-waves of the rectified AC voltage; and

a voltage reference circuit configured to establish a reference voltage;
wherein the controller circuit is configured to provide the controller output in response to the reference voltage and the
rectified AC voltage;

wherein the mixing circuit further comprises a synchronous oscillator circuit configured to provide an output at a frequency
of the plurality of half-waves of the rectified AC voltage; and

wherein the controller circuit comprises an operational amplifier having an output coupled to the switch circuit, a first
input of the operational amplifier coupled to the output of the synchronous oscillator circuit, and a second input of the
operational amplifier coupled to the reference voltage.

US Pat. No. 9,133,988

LED-BASED LAMP INCLUDING SHAPED LIGHT GUIDE

OSRAM SYLVANIA Inc., Dan...

1. A lamp (300), comprising:
a light guide (302) including a proximal end (510) configured to receive light from at least one light emitting diode (590), the proximal end (510) forming the received light into an internal beam inside the light guide (302),

the light guide (302) including a distal end (520), the distal end (520) having a peripheral portion (522) thereon;

the light guide (302) having a longitudinal axis (A) extending from the proximal end (510) to the distal end (520),

the light guide (302) including a lateral side (530) extending from a location adjacent the peripheral portion (522) of the distal end (520) to a location adjacent the proximal end (510),

wherein the lateral side (530) of the light guide (302) has a first region (550), a second region (560), a third region (570), and a fourth region (580), the first, second, third, and fourth regions extending successively from the proximal end (510) to the distal end (520);

wherein in a cross-section that includes the longitudinal axis (A), the first region (550) is concave, the second region (560) is convex, the fourth region (580) is concave, and the third region (570) includes a smooth and continuous transition between the second region (560) and the fourth region (580);

wherein in a cross-section that includes the longitudinal axis (A), the proximal end (510) of the light guide (302) has a concave portion (514) surrounded by a convex peripheral portion (516); and

wherein, in a cross-section that includes the longitudinal axis (A), at least a portion of the convex peripheral portion (516) and a portion of the concave first region (550) are at the same longitudinal location along the longitudinal axis (A).

US Pat. No. 9,119,270

SOLID STATE LIGHTING DEVICE AND DRIVER CONFIGURED FOR FAILURE DETECTION AND RECOVERY

OSRAM SYLVANIA Inc., Dan...

1. A system, comprising:
a light engine configured to emit light in response to a drive current, the light engine comprising a light engine controller
circuit and one or more parallel strings of series-connected solid state light sources; and

a driver circuit configured to provide the drive current;
wherein the light engine controller circuit is configured to:
monitor an output voltage of the driver circuit;
detect a failure of one of the solid state light sources, the failure associated with a change in the output voltage of the
driver circuit; and

transmit a first signal to the driver circuit in response to detecting a failure, wherein the driver circuit is configured
to decrease the drive current in response to the first signal;

wherein the light engine controller circuit is further configured to detect a rate of change of the output voltage, and in
response to the rate of change exceeding a threshold, report an error condition to a system controller.

US Pat. No. 9,306,327

CLIP FOR WIRE HARNESS

OSRAM SYLVANIA Inc., Wil...

1. A retainer clip (100) to secure an electrical connection of a first connector (52) of an automotive lamp (10) and a second connector (72) of a wiring harness (44) configured to mate with each other to establish the electrical connection, the retainer clip comprising
a first beam (110) configured to contact said lamp (10) and having opposed first and second longitudinal ends (112, 114);

a second connector (72)—blocking region (140) connected to said first beam (110) at said first longitudinal end (112) and extending in a first direction (300) away from said first beam (110), said second connector blocking region (140) configured, upon assembly thereof proximate the second connector (72), to inhibit separation of the first connector (52) and a second connector (72); and

a lamp (10)—retaining support base (160) depending from said first beam (110) at said second longitudinal end (114) and extending in a second direction (302) opposite said first direction (300), said support base (160) configured to engage to the automotive lamp (10).

US Pat. No. 9,091,411

ILLUMINATION TECHNIQUES AND DEVICES

OSRAM SYLVANIA Inc., Dan...

1. A lightguide comprising:
a bulk of optical material; and
a plurality of internal light extraction features provided completely within an internal region of the bulk of optical material,
wherein the plurality of internal light extraction features is configured to direct incident light out of the lightguide wherein
the lightguide is curved, rounded, or non-planar.

US Pat. No. 9,287,467

TECHNIQUES FOR ADHERING SURFACE MOUNT DEVICES TO A FLEXIBLE SUBSTRATE

OSRAM SYLVANIA Inc., Wil...

1. A flexible circuit comprising:
a flexible substrate;
a conductive contact pad formed on the substrate and configured to electrically couple to a corresponding contact of a surface
mount device (SMD), the contact pad including a plurality of cured conductive epoxy bond pad strips deposited adjacent to
one another in a parallel fashion; and

at least one conductive trace deposited over the surface of the flexible substrate and contacting a portion of at least one
of the plurality of cured conductive epoxy bond pad strips, leaving a portion of the at least one cured conductive epoxy bond
pad exposed; further comprising an additional cured conductive epoxy bond strip deposited in a relatively perpendicular fashion
across the plurality of cured conductive epoxy bond pad strips, wherein the additional cured conductive epoxy bond strip is
for securing the SMD.

US Pat. No. 9,373,019

PASSIVE LIGHT-BASED DATA COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A data communication system comprising:
a receiver configured to individually detect each of a plurality of different light patterns reflected off of a passive light-reflective
device as the receiver changes position relative to the passive light-reflective device wherein the passive light-reflective
device is a static pattern, each of the light patterns representing a different piece of encoded information; and

a processor operatively connected to the receiver, the processor configured to decode the encoded information of each of the
plurality of different light patterns into a single message.

US Pat. No. 9,408,258

POWER LINE COMMUNICATION FOR LIGHTING SYSTEMS

OSRAM SYLVANIA Inc., Wil...

1. A lighting system device, comprising:
a modulation element configured to operatively couple to DC power lines providing DC power to a lighting system; and
a processor configured to use the modulation element to modulate one of current flow through the modulation element or voltage
drop across another element of the lighting system thereby providing an outgoing power line communication signal for transmission
over the DC power lines, and wherein the processor is further configured to sense one of the amount of current flow through
the other element or the amount of voltage drop across the other element so as to allow for receipt and interpretation of
an incoming power line communication signal on the DC power lines.

US Pat. No. 9,271,362

PLANCKIAN AND NON-PLANCKIAN DIMMING OF SOLID STATE LIGHT SOURCES

OSRAM SYLVANIA INC., Wil...

1. A lighting device, comprising:
a plurality of solid state light sources, comprising a first solid state light source having a first color point, a second
solid state light source having a second color point, and a third solid state light source having a third color point;

a control circuit connected to the plurality of solid state light sources and configured to control an amount of current through
each solid state light source in the plurality of solid state light sources to produce a light output for the lighting device;
and

a memory system connected to the control circuit, wherein the memory system includes, for a range of correlated color temperatures:
a first set of data comprising a first plurality of pairs of x-axis coordinates and corresponding y-axis coordinates on the
1931 CIE Chromaticity Diagram, wherein each pair in the first plurality of pairs includes a corresponding luminous flux, wherein
each corresponding luminous flux relates to a particular correlated color temperature over a first portion of the range; and

a second set of data comprising a second plurality of pairs of x-axis coordinates and corresponding y-axis coordinates on
the 1931 CIE Chromaticity Diagram, wherein each pair in the second plurality of pairs includes a corresponding luminous flux,
wherein each corresponding luminous flux relates to a particular correlated color temperature over a second portion of the
range;
wherein the first plurality of pairs for the first portion of the range is determined by taking pairs of x-coordinates and
corresponding y-coordinates from a black body curve for a first set of correlated color temperatures within the first portion
of the range, and wherein the second plurality of pairs for a second set of correlated color temperatures within the second
portion of the range is determined by taking pairs of x-coordinates and corresponding y-coordinates from a line that connects
a first end point and a second end point, wherein the first end point is on the black body curve and the second end point
is one of the first color point, the second color point, and the third color point.

US Pat. No. 9,206,958

THIN FILM WAVELENGTH CONVERTERS AND METHODS FOR MAKING THE SAME

OSRAM SYLVANIA Inc., Wil...

1. A thin film wavelength converter, comprising:
a substrate;
a first thin film layer, said first thin film layer comprising at least one first wavelength conversion material;
an electrically conductive layer; and
a second thin film layer deposited on said electrically conductive layer, said second thin film layer comprising at least
one second wavelength conversion material;

wherein:
said first thin film layer is configured to convert incident primary light from a light source in a first wavelength range
to secondary light in a second wavelength range; and

said second thin film layer is configured to convert at least one of said primary light and said secondary light to tertiary
light in a third wavelength range, said second wavelength range being different from said third wavelength range; and wherein
the first thin film layer has a thickness ranging from about 10 nanometers (nm) to about 20 micrometers (?m).

US Pat. No. 9,074,746

NON-UNIFORM MULTI-FACETED REFLECTOR FOR REAR COMBINATION LAMP PROVIDING SPARKLE EFFECT

OSRAM SYLVANIA Inc., Dan...

1. A rear lamp reflector of a vehicle, comprising:
a plurality of reflective facets (19) that reflect light (12) emitted by alight source (11) toward a viewer, the reflected light (16) being viewable over a range of viewing angles from the vehicle angles;

wherein the facets (19) are angled so that at first and second viewing angles, light (16) propagates to the viewer only from respective first and second subsets (191, 192) of facets (19) from the plurality;

wherein at least two of the facets in the first subset (191) are non-contiguous;

wherein at least two of the facets in the second subset (192) are non-contiguous; and

wherein the first and second subsets (191, 192) are mutually exclusive,

whereby at least one facet from the second subset (192) is disposed between said at least two of the facets in the first subset (191), and at least one facet from the first subset (191) is disposed between said at least two of the facets in the second subset (192).

US Pat. No. 9,240,517

STRAIN RELIEF SUPERLATTICES AND OPTOELECTRONIC DEVICES INCLUDING THE SAME

OSRAM SYLVANIA INC., Wil...

1. A structure to transition between two layers of differing lattice parameters, comprising:
a superlattice on a bottom layer of said two layers, the superlattice comprising a plurality of alternating a first layer
and a second layer, the first and second layers having respective first and second critical thicknesses, hc1 and hc2, wherein a thickness T1 of the first layer is less than hc1 and a thickness T2 of the second layer is less than hc2;

wherein said superlattice has an average weighted composition and lattice parameter that substantially match a composition
and lattice parameter of a top layer of said two layers, said top second layer of said two layers to be deposited on said
superlattice; and

wherein said superlattice comprises a plurality of periods comprising one of said first layers and one of said second layers,
wherein each period of said plurality of periods has a thickness Tp and a critical thickness hcp, and the thickness Tp of each of said plurality of periods is less than hcp, wherein Tp and hcp may be the same or different for each of said plurality of periods.

US Pat. No. 9,119,250

DIMMABLE MULTICHANNEL DRIVER FOR SOLID STATE LIGHT SOURCES

OSRAM SYLVANIA Inc., Dan...

1. A power supply circuit, comprising:
a first drive circuit configured to generate a drive current to cause a first solid state light source load and a second solid
state light source load to illuminate;

a feedback and control circuit configured to receive feedback from the first solid state light source load and to control
the drive current through the first solid state light source load based on the feedback;

a second drive circuit configured to control the drive current through the second solid state light source load; and
a master controller configured to provide a first input to the feedback and control circuit to control the drive current through
the first solid state light source load and a second input to the second drive circuit to control the drive current through
the second solid state light source load.

US Pat. No. 9,642,204

DIMMABLE MULTICHANNEL DRIVER FOR SOLID STATE LIGHT SOURCES

OSRAM SYLVANIA Inc., Wil...

1. A method, comprising:
determining if a first solid state light source load driven by a first drive circuit is illuminated based on a voltage corresponding
to the voltage across the first solid state light source load generated in a feedback and control circuit; and

controlling, via a master controller, the first drive circuit and a second drive circuit, such that:
the first drive circuit is controlled based on the voltage corresponding to the voltage across the first solid state light
source load by adjusting a reference voltage in the feedback and control circuit, wherein adjusting the reference voltage
comprises adjusting a first pulse width modulation (PWM) signal provided to the feedback and control circuit to generate the
reference voltage; and

the second drive circuit drives a second solid state light source load and is controlled by providing a second PWM signal
from the master controller, wherein the second PWM signal has a second duty cycle determined based on a dimmer sense voltage;

wherein a current through the second solid state light source load is set, via the controlled second drive circuit, to a value
less than a current through the first solid state light source load, such that light emitted by the first solid state light
source load and the second solid state light source load is combined to result in a desired color temperature.

US Pat. No. 9,295,129

TURN ON OPTIMIZATION

OSRAM SYLVANIA INC., Wil...

1. A method of optimizing driver turn on to prevent flashing of a light source powered by the driver, the method comprising:
selecting, from a table of duty cycle values, a highest duty cycle value corresponding to a target output current of the driver,
wherein the selected duty cycle value has a corresponding voltage;

applying the selected duty cycle value to the driver;
measuring an output voltage at the light source connected to an output of the driver;
comparing the measured output voltage to the corresponding voltage of the selected duty cycle to produce a voltage comparison
result; and

adjusting the selection of the duty cycle based on the voltage comparison result.

US Pat. No. 9,261,267

HYBRID REFLECTOR INCLUDING LIGHTGUIDE FOR SENSOR

OSRAM SYLVANIA INC., Wil...

1. A luminaire, comprising:
a substrate having a particular shape;
a plurality of solid state light sources mounted on the substrate, wherein the plurality of solid state light sources outputs
light having a measurable characteristic, and wherein the plurality of solid state light sources includes an adjustable solid
state light source, such that the measurable characteristic of the outputted light changes in response to adjustment of the
adjustable solid state light source;

a sensor, wherein the sensor is configured to detect the measurable characteristic from the outputted light, to compare the
measurable characteristic to a baseline value and, based on a result of the comparison, to adjust the adjustable solid state
light source;

a reflector having a lower edge and an upper edge, wherein the lower edge conforms to the particular shape of the substrate,
and wherein the reflector reflects outputted light from the plurality of solid state light sources so that the outputted light
exits the luminaire past the upper edge; and

a lightguide having an input, wherein the input is surrounded by the reflector and captures a portion of the outputted light
so as to provide the captured outputted light to the sensor.

US Pat. No. 9,241,380

HYBRID DIMMING CONTROL TECHNIQUES FOR LIGHTING DRIVERS

OSRAM SYLVANIA INC., Wil...

1. A lighting driver circuit comprising:
an AC current source configured to provide a first current;
at least one current splitting transformer configured to split the first current and provide a current to each of a plurality
of LED assemblies, wherein the current to each of the plurality of LED assemblies is dependent upon a transformation ratio
of the at least one current splitting transformer and the current source is configured to directly feed an LED assembly;

a plurality of switches configured to control the current through each of the plurality of LED assemblies; and
a controller operatively coupled to the plurality of switches, wherein the controller is configured to provide a PWM signal
to each of the plurality of switches, wherein the duty cycle of each PWM signal independently controls each of the plurality
of switches.

US Pat. No. 9,307,586

FLYBACK AC-TO-DC CONVERTER

OSRAM SYLVANIA Inc., Wil...

1. A device, comprising:
a phase-lock-loop (PLL) module configured to synchronize with a rectified line voltage signal input to a flyback converter
to power a load, and to detect changes in phase of the rectified line voltage signal; and

an output regulator module configured to regulate at least one of output current, output voltage, and/or output power to the
load, using an on-time control signal that reflects a correction factor based on phase variation in the rectified line voltage
signal detected by the PLL module, wherein the on-time control signal controls switching of the flyback converter;

wherein the PLL module is configured to synchronize by measuring at a sampling period Tsampling a value of the rectified line
voltage signal, and adjusting the sampling period Tsamplinq based on changes in frequency of the rectified line voltage signal.

US Pat. No. 9,239,142

EDGE-LIT LIGHT FIXTURE INCORPORATING A DOWNLIGHT AND HAVING A UNIFORM EXTERNAL APPEARANCE

OSRAM SYLVANIA INC., Wil...

1. A light fixture for producing downward-propagating illumination, comprising:
an edge-lit lightguide illuminated with internal light from its perimeter;
a downlight producing a downlight beam having a downlight beam footprint, the downlight beam transmitting from a top face
of the lightguide to a bottom face of the lightguide and emerging from the bottom face of the lightguide as a directional
beam;

a light extractor coupled to the lightguide, the light extractor having a light extractor area on a surface of the light extractor
substantially perpendicular to the downlight beam that excludes the downlight beam footprint on the surface, the light extractor
directing a predetermined amount of the internal light through the bottom face of the lightguide to form external light; and

a continuous diffuser longitudinally adjacent to and completely spanning the entire surface of the bottom face of the lightguide,
the diffuser having a diffuser area on a surface of the diffuser substantially perpendicular to the downlight beam, the diffuser
receiving the external light and transmitting diffuse light wherein the diffuser is a volumetric element including a plurality
of particles immersed in a background material, the particles in the plurality having a different refractive index from the
background material wherein the plurality of particles are immersed throughout the diffuser except in a volume of the diffuser
through which the downlight beam transmits from a top face of the diffuser to a bottom face of the diffuser and emerging from
the bottom face of the diffuser as the directional beam.

US Pat. No. 9,063,262

LIGHTGUIDE DESIGN TECHNIQUES

OSRAM SYLVANIA Inc., Dan...

1. A method of designing a lightguide device comprising:
dividing a lightguide surface having an initial distribution of light extraction features into a plurality of zones including
a first and a second zone; and

adjusting the light extraction features of the first zone differently than the light extraction features of the second zone,
such that light will be extracted from the first zone differently than from the second zone due to the difference in their
corresponding light extraction features.

US Pat. No. 9,512,984

REPLACEABLE SINGLE LED LAMP FOR RUNWAY SIGN

OSRAM SYLVANIA Inc., Wil...

1. A replacement light module (1), comprising:
a heat sink (5) elongated along a lateral direction (X),

a plurality of LEDs (2) supported by the heat sink (5), the LEDs (2) being spaced apart in the lateral direction (X), each LED (2) emitting light into an angular distribution centered around a longitudinal axis (A); the longitudinal axes (A) all being
parallel to a vertical direction (Z);

a cylindrical lens (4) elongated along the lateral direction (X) and centered along the longitudinal axes (A), the cylindrical lens (4) receiving a central portion of the light emitted from the LEDs (2) and transmitting the central portion therethrough, the cylindrical lens (4) altering the angular path of the transmitted light along a forward direction (Y) but not along the lateral direction (X);
and

a pair of elongated, inclined surfaces (3) on the heat sink (5), each inclined surface (3) being elongated along the lateral direction (X) and being parallel to the lateral direction (X), each inclined surface extending
from a position proximate a lateral edge of the LEDs (2) to a position proximate a lateral edge of the cylindrical lens (4), the pair of inclined surfaces (3) opening away from the LEDs (2) toward the cylindrical lens (4), each inclined surface (3) receiving a peripheral portion of the light emitted by the LEDs (2), each inclined surface (3) defining a respective reflective surface that reflects the peripheral portion toward the cylindrical lens (4);

wherein the cylindrical lens (4) has a light output that includes light from both the central portion and the peripheral portion of the light emitted from
the LEDs (2);

wherein the light output of the cylindrical lens (4) has two angular peaks on opposite sides of the vertical direction (Z), has a value below the peak values along the vertical
direction (Z), and has decreasing values at angles above the angular peaks;

wherein the angular peaks are at plus four degrees and minus four degrees away from the vertical direction (Z); and
wherein in a cross-section taken perpendicular to the lateral axis (X), the cylindrical lens (4) is plano-convex, with a planar incident face (6) facing the LEDs (2) and a convex exiting face (7) facing away from the LEDs (2), wherein the convex exiting face (7) includes a concave dimple at its center.

US Pat. No. 9,081,265

DECENTRALIZED INTELLIGENT NODAL LIGHTING SYSTEM

OSRAM SYLVANIA Inc., Dan...

18. A contextual lighting system, comprising:
a wirelessly enabled system controller, configured to store light settings for at least one contextual lighting scene;
a plurality of wirelessly enabled lighting nodes; and
a control unit within each of the plurality of wirelessly enabled lighting nodes configured to receive the light settings
from the system controller and intelligently interpret the light settings wherein interpreting the scene setting commands
comprises estimating closest possible light settings to the scene setting commands that the at least one lighting node is
capable of producing, and wherein outputting scene settings comprises displaying the closest possible light settings and communicating
estimated closest possible light settings to the wirelessly enabled system controller.

US Pat. No. 9,084,322

BI-LEVEL CURRENT CONFIGURABLE DRIVER

OSRAM SYLVANIA Inc., Dan...

1. A bi-level current configurable driver comprising:
a driver circuit;
a regulator circuit;
a feedback circuit;
a resistor divider comprising an upper resistor and a lower resistor, the resistor divider determining a reference current
provided by the regulator circuit, wherein the upper resistor has a first lead connected to a voltage and a second lead connected
to a first input of the regulator circuit, and wherein the lower resistor has a first lead connected to a ground and a second
lead connected to the second lead of the upper resistor and the first input of the regulator circuit; and

an external resistor coupled in parallel to the first input of the regulator circuit, wherein changing a value of the external
resistor changes a value of the reference current;

wherein the driver circuit comprises a constant current constant voltage (CCCV) regulator, and wherein the driver further
comprises a step-dim circuit coupled between the regulator circuit and a load comprising one or more solid state light sources.

US Pat. No. 9,453,619

RETROFIT-STYLE LAMP AND FIXTURE, EACH INCLUDING A ONE-DIMENSIONAL LINEAR BATWING LENS

OSRAM SYLVANIA Inc., Wil...

14. An enclosed storage structure lighting fixture, comprising:
a housing;
a power supply, wherein the power supply is connectable to the housing; and
a retrofit-style lamp comprising:
a plurality of light emitting diodes; and
a one-dimensional linear batwing lens, wherein the one-dimensional linear batwing lens beam shapes light emitted by at least
two light emitting diodes of the plurality of light emitting diodes, wherein the one-dimensional linear batwing lens extends
in one direction in a linear direction; and

wherein the plurality of light emitting diodes are located in a region beneath a central portion extending in the linear direction
of the one-dimensional linear batwing lens to produce, through beam shaping, a substantially batwing and/or batwing-type light
distribution from the plurality of light emitting diodes.

US Pat. No. 9,203,002

ULTRAVIOLET REFLECTIVE SILICONE COMPOSITIONS, REFLECTORS, AND LIGHT SOURCES INCORPORATING THE SAME

OSRAM SYLVANIA Inc., Wil...

1. A polysiloxane composition, comprising:
a first polysiloxane;
a second polysiloxane;
a curing agent; and
a catalyst;wherein:
said first and second polysiloxanes are immiscible with one another and differ in refractive index; and
said polysiloxane composition reflects greater than 50 to about 100% of light in a first wavelength range, said first wavelength
range extending from about 190 nm to about 400 nm.

US Pat. No. 9,635,759

CONDUCTOR PAD FOR FLEXIBLE CIRCUITS AND FLEXIBLE CIRCUIT INCORPORATING THE SAME

OSRAM SYLVANIA Inc., Wil...

1. A flexible circuit comprising:
a flexible substrate;
a plurality of conductor pads disposed on the flexible substrate, each of the plurality of conductor pads comprising:
a first contact region;
a second contact region; and
a body portion configured to establish a conductive path between the first contact region and the second contact region, the
body portion comprising conductive material having a perimeter edge, the perimeter edge comprising:

a first convex segment;
a second convex segment; and
a first non-convex segment disposed between the first convex segment and the second convex segment; and
a plurality of electronic packages, each of the plurality of electronic packages being coupled to the first contact region
of one of the conductor pads and the second contact region of an adjacent one of the contact pads.

US Pat. No. 9,301,372

LIGHT CONTROL METHOD AND LIGHTING DEVICE USING THE SAME

OSRAM SYLVANIA INC., Wil...

1. A light output control method for a controlling a general illumination lighting device by a motion of an object near an
environment, the general illumination lighting device comprising a video sensor and a light-emitting unit, the light output
control method comprising steps of:
emitting an infrared light onto at least a part of the object and at least a part of the environment;
collecting the infrared light reflected by at least the part of the object and at least the part the environment as a two-dimensional
depth data sequence of the video sensor;

recognizing the motion of the object by utilizing the two-dimensional depth data sequence; and
controlling the general illumination lighting device to change at least one attribute of the output light if the motion of
the object complies with a predetermined condition wherein the general illumination device is a plurality of independently
controlled lighting fixtures.

US Pat. No. 9,374,855

POWER LINE COMMUNICATION FOR LIGHTING SYSTEMS

OSRAM SYLVANIA INC., Wil...

1. A lighting system, comprising:
a first light source;
a first modulation element operatively coupled to the first light source;
a first processor configured to use the first modulation element to modulate one of current flow through the first modulation
element or voltage drop across the first light source, thereby providing a first power line communication signal; and

a first switch configured to control the in-circuit presence of the first modulation element in response to a first modulation
control signal provided by the first processor, so as to modulate the one of current flow through the first modulation element
or voltage drop across the first light source, thereby providing the first power line communication signal wherein the first
modulation element is electrically connected in parallel with the first light source and the first switch is electrically
connected in series to the first modulation element, such that the current flow through the first modulation element is modulated
in response to the first modulation control signal.

US Pat. No. 9,239,148

LIGHTING FIXTURE HAVING SPATIAL DISTRIBUTION CONTROL CAPABILITIES

OSRAM SYLVANIA INC., Wil...

1. A lighting fixture assembly, comprising:
a base plate including a plurality of sockets;
a plurality of light modules, each light module including a ball portion, a control arm, and at least one light source, wherein
the ball portion of each light module is pivotally retained by one of the base plate sockets;

an XY plate including a plurality of slots, wherein the XY plate is movably coupled to the base plate; and
a focus plate including a plurality of slots, wherein the focus plate is rotationally coupled to the XY plate;
wherein a portion of the control arm of each light module is disposed within at least one XY plate slot and one focus plate
slot.

US Pat. No. 9,198,252

SYSTEM AND METHOD FOR CONTROLLING LIGHTING

OSRAM SYLVANIA INC., Wil...

1. A system for controlling lighting, said system comprising:
a tunable white light source configured to emit a plurality of different light outputs, each light output having an associated
spectral composition and corresponding to a separate associated one of a plurality of lighting conditions stored in a lighting
condition database;

a camera configured to capture images of one or more objects within an environment illuminated by each of said different light
outputs from said light source, each image corresponding to a separate associated one of said different light outputs, said
camera being configured to process said image and identify one or more attributes of at least one of said objects for each
of said different light outputs wherein said camera comprises an image processing module configured to process pixels of each
captured image in one or more color spaces to identify values of each pixel for each color space and wherein said image processing
module is configured to generate a spatial mapping of CIE x, y color points and luminance for each pixel and identify color
values of said at least one object based on said spatial mapping and said light control module is configured to compare sets
of color values of said at least one object for each light output with a set of color values corresponding to the true color
of said at least one object, wherein, if a set of color values falls within a predetermined tolerance level, said light control
module is configured to identify a lighting condition corresponding to a light output associated with said set of color values
as an optimal lighting condition; and

a light control module configured to identify at least one optimal lighting condition based, at least in part, on a comparison
of said attributes of said at least one object for each of said light outputs with attributes corresponding to a true color
appearance of said at least one object.

US Pat. No. 9,065,272

SCALABLE POWER SUPPLY CIRCUIT INCLUDING PROTECTION FEATURES

OSRAM SYLVANIA Inc., Dan...

1. A power supply circuit comprising:
a front end circuit configured to generate a direct-current (DC) voltage based on an input voltage, wherein the front end
circuit includes a first surge protection circuit;

a power factor correction (PFC) circuit configured to generate a driving voltage based on the DC voltage, wherein the PFC
circuit includes a second surge protection circuit and an over-temperature protection circuit; and

a drive circuit configured to generate an output voltage for a load based on the driving voltage, wherein the drive circuit
includes a third surge protection circuit, a startup circuit, and an open-circuit protection circuit.

US Pat. No. 9,628,177

ADAPTIVE BAUD RATE IN LIGHT-BASED COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A method for setting a baud rate for light-based communication (LCom), the method comprising:
determining decoding parameters of a receiving device, the receiving device including a camera for receiving LCom signals,
and a display;

calculating a baud rate suitable for the receiving device based on the decoding parameters; and
causing the baud rate to be set at an LCom-enabled luminaire.

US Pat. No. 9,065,544

PULSE-BASED BINARY COMMUNICATION

OSRAM SYLVANIA Inc.

1. A system, comprising:
a transmitting device configured to generate a supply voltage and to cause at least one pulse to occur in the supply voltage,
the at least one pulse being based on a binary value, wherein the at least one pulse comprises a short duration transient
in the supply voltage; and

a receiving device configured to receive the supply voltage, to detect the at least one pulse and to determine the binary
value based on the at least one pulse.

US Pat. No. 9,621,266

TECHNIQUES FOR RASTER LINE ALIGNMENT IN LIGHT-BASED COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

6. A light-based communication method comprising:
assessing alignment of a raster line of an image capture device relative to at least one solid-state luminaire transmitting
a pulsing light signal encoded with data; and

in response to misalignment between the raster line of the image capture device and the at least one solid-state luminaire,
providing instruction to align the raster line of the image capture device with the at least one solid-state luminaire, wherein
the instruction comprises at least one of:

a control signal that causes automatic reorientation of the image capture device to align the raster line thereof with the
at least one solid-state luminaire;

a control signal that causes automatic adjustment of a raster setup of the image capture device to align the raster line thereof
with the at least one solid-state luminaire;

visual feedback presented by a display to guide a user to reorient the image capture device to manually align the raster line
thereof with the at least one solid-state luminaire; and

aural feedback presented by a speaker to guide a user to reorient the image capture device to manually align the raster line
thereof with the at least one solid-state luminaire.

US Pat. No. 9,273,861

THERMOSYPHON LIGHT ENGINE AND LUMINAIRE INCLUDING SAME

OSRAM SYLVANIA Inc., Wil...

1. A light engine comprising:
a condenser, wherein the condenser returns a gaseous substance located therein to a liquid substance;
an evaporation chamber, wherein the evaporation chamber includes:
at least one solid state light source that emits light and generates heat upon activation;
a working liquid into which at least a portion of the solid state light source is immersed, wherein the working liquid is
capable of being changed into a gaseous substance upon the application of heat to the working liquid; and

an optical element, wherein the optical element beam shapes light emitted by the at least one solid state light source; and
at least one connecting element that joins the condenser to the evaporation chamber, such that when the at least one solid
state light source in the evaporation chamber generates heat, a portion of the working liquid evaporates, becoming a gaseous
substance, wherein the gaseous substance travels through the at least one connecting element to the condenser, and upon being
returned to a liquid substance, wherein the liquid substance travels through the at least one connecting element back to the
evaporation chamber.

US Pat. No. 9,243,790

MODULAR LIGHTING TECHNIQUES

OSRAM SYLVANIA INC., Wil...

1. A lighting device comprising:
a heat sink module including a hub and three or more vertical panel sidewalls extending radially outward from the heat sink;
an insulating connector removablely coupled to an edge located opposite the hub of one of the vertical panel sidewalls; and
a light engine operatively coupled with the hub of the heat sink module;
wherein the hub and at least one of the vertical sidewalls comprises part of an electrical circuit which powers the light
engine.

US Pat. No. 9,587,808

FIXTURE DESIGN FOR FLEXIBLE LED CIRCUIT BOARDS

OSRAM SYLVANIA Inc., Wil...

1. A lighting fixture comprising:
a lighting fixture housing having at least two side plates;
a rigid preform mounted to the at least two side plates, the preform having a non-flat shape;
at least one flexible LED circuit board attached to the preform, wherein the shape of the rigid preform is at least one period
of a wave.

US Pat. No. 9,160,414

TRANSIENT POWER COMMUNICATION

OSRAM SYLVANIA Inc., Dan...

1. A power supply system, comprising:
a master module configured to output a supply voltage, comprising:
a front end circuit configured to generate a regulated front end direct current (DC) voltage based on an input voltage;
a voltage change circuit coupled to the front end circuit and having a first mode of operation and a second mode of operation,
wherein during the first mode of operation the voltage change circuit is configured to generate a normal supply voltage as
the output of the master module, wherein during the second mode of operation the voltage change circuit is configured to generate
a reduced supply voltage as the output of the master module, wherein the normal supply voltage and the reduced supply voltage
are each based on the regulated front end DC voltage, and wherein the mode of operation is based on reception of a control
input; and

a master controller coupled to the voltage change circuit, wherein the master controller is configured to receive an input
and to change the mode of operation of the voltage change circuit by providing a control input to the voltage change circuit,
wherein the control input is based on the received input;

a slave module configured to receive the supply voltage and to operate a load thereby, the slave module comprising:
a voltage change sensing circuit configured to receive the supply voltage and to generate different logic level voltages based
on the supply voltage received;

a filter circuit configured to receive the supply voltage and to provide an output voltage that is equivalent to the normal
supply voltage regardless of the supply voltage received;

a slave controller coupled to the voltage change circuit, wherein the slave controller is configured to receive the different
logic level voltages and to interpret the different logic level voltages as a communication of information from the master
module, and wherein the slave controller is configured to provide a control output based on the communicated information;
and

an output circuit coupled to the filter circuit and the slave controller, wherein the output circuit is configured to receive
the output voltage and the control output and to provide a load output based on the output voltage and the control output;

a connection between the master module and the slave module configured to transmit the supply voltage from the master module
to the slave module; and

a load coupled to the output circuit of the slave module and configured to receive the load output from the slave module and
to operate according to the received load output.

US Pat. No. 9,466,771

WAVELENGTH CONVERTERS AND METHODS FOR MAKING THE SAME

OSRAM SYLVANIA Inc., Wil...

1. A method of forming a single layer wavelength converter, comprising:
preselecting a distribution of at least first and second wavelength converting particles in a cured polymeric matrix material;
forming a precursor of a wavelength converting composition on a substrate, said precursor of said wavelength converting composition
comprising a matrix precursor and said first and second types of wavelength converting particles, said first and second types
of wavelength converting particles having respective first and second settling rates within said matrix precursor;

based at least in part on said first and second settling rates, curing said matrix precursor to form a single layer of said
cured polymeric matrix material, the single layer of said cured polymeric matrix material comprising an actual distribution
of said first and second wavelength converting particles that is substantially the same as said preselected distribution.

US Pat. No. 9,084,304

FAULT CONDITION OF DETECTION CIRCUIT

OSRAM SYLVANIA Inc., Dan...

1. A ballast comprising:
an inverter circuit to selectively energize one or more lamps, the inverter circuit having a transformer to provide voltage
to the one or more lamps, wherein the transformer comprises:

a core;
a primary winding wound on the core and connected to a direct current (DC) voltage bus; and
a secondary winding wound on the core to connect to the one or more lamps; and
a fault condition detection circuit connected to the inverter circuit to disable operation of the inverter circuit and thereby
discontinue selective energization of the one or more lamps when a fault condition occurs, the fault condition detection circuit
comprising:

an other primary winding wound on the core of the transformer to receive a voltage signal proportional to a voltage across
the secondary winding, the other primary winding having a first terminal and a second terminal, wherein the second terminal
of the other primary winding is connected to ground potential;

a voltage blocking circuit connected to the first terminal of the other primary winding to receive the voltage signal from
the other primary winding, the voltage blocking circuit configured to selectively conduct and block the received voltage signal
as a function of the frequency of the received voltage signal;

a capacitor connected between the voltage blocking circuit and the ground potential to receive the conducted voltage signal
from the voltage blocking circuit and to store a voltage in response thereto;

wherein the voltage blocking circuit is configured to conduct the voltage signal received by the voltage blocking circuit
and provide the conducted voltage signal to the capacitor when the frequency of the voltage signal received by the voltage
blocking circuit exceeds a threshold frequency associated with normal operation of the one or more lamps;

wherein the voltage blocking circuit is configured to block the voltage signal received by the voltage blocking circuit when
the frequency of the voltage signal received by the voltage blocking circuit is less than or equal to the threshold frequency
associated with normal operation of the one or more lamps; and

an output terminal connected to the inverter circuit to provide a disabling signal to the inverter circuit based on the voltage
stored by the capacitor.

US Pat. No. 9,883,560

CONTROLLER FOR A PHASE CUT DIMMABLE LED DRIVER

OSRAM SYLVANIA Inc., Wil...

1. A method for control of a phase cut dimmer for lighting systems, the method comprising:
receiving, at a controller of a lighting driver circuit, a representation of an input voltage waveform having a phase cut
angle (?cut) and a waveform zero angle (?zero), as well as a known frequency;

acquiring, by the controller, data representative of a period of the waveform;
determining, by the controller, a plurality of Fourier series coefficients associated with the waveform;
extracting, by the controller, the phase cut angle (?cut) and the waveform zero angle (?zero) based on the coefficients;

determining, by the controller, a current for one or more light emitting diodes (LEDs) based on at least one of the phase
cut angle (?cut) and the waveform zero angle (?zero); and

adjusting, by the controller, a duty cycle of a pulse width modulation (PWM) signal to provide the determined current to the
one or more LEDs.

US Pat. No. 9,699,837

OUTPUT CURRENT CONFIGURATION BASED ON LOAD CONNECTION

OSRAM SYLVANIA Inc., Wil...

1. A driver port providing selectable output currents, comprising:
a plurality of shunt resistors connected in series between a negative output of a driver and a ground;
a driver port having a plurality of connection points, wherein each respective connection point is connected to a different
connection between two of the plurality of shunt resistors;

wherein a load is capable of being connected between one of the connection points of the driver port and a positive output
of the driver; and

wherein the driver comprises:
an EMI front end coupled to a voltage source, the EMI front end configured to provide a rectified direct current voltage;
a boost PFC circuit coupled to the EMI front end and configured to provide a boosted voltage;
an inverter coupled to the boost PFC circuit;
a PFC and Half Bridge coupled to the boost PFC circuit and the inverter;
an isolation transformer having a primary side coupled to the inverter;
a rectifier coupled to a secondary side of the isolation transformer; and
an output filter coupled to the rectifier, wherein an output of the output filter is coupled to the driver port; and
a regulator circuit in communication with the driver and the driver port, wherein the regulator circuit comprises a first
input in communication with the negative output of the driver, a second input in communication with the output of the output
filter of the driver, and an output coupled to a primary side of the isolation transformer.

US Pat. No. 9,562,676

CONTROL TECHNIQUES FOR LIGHTING FIXTURES HAVING SPATIAL DISTRIBUTION CONTROL CAPABILITIES

OSRAM SYLVANIA Inc., Wil...

16. A controller for controlling a lighting system, the controller comprising:
a display for displaying a virtual area to a user; and
a user interface configured to receive target and spread inputs for at least one lighting fixture to cause at least one illumination
pattern, wherein the received target and spread inputs are transmitted to at least one control module for controlling the
at least one lighting fixture; and

at least one control module configured to determine the movements and/or light source adjustments for at least one lighting
fixture to achieve at least one desired illumination pattern based on the received target by causing rotation of a XY plate
relative to a base plate and spread inputs by causing rotation of a focus plate relative to the base plate.

US Pat. No. 9,246,403

LIGHTING SYSTEMS WITH UNIFORM LED BRIGHTNESS

OSRAM SYLVANIA INC., Wil...

1. A lighting system, comprising:
a plurality of light emitting diodes (LEDs) serially connected in a string;
a plurality of switches, each switch connected across a different set of the LEDs in the string; and
a controller configured to selectively activate the switches in effort to provide a brightness that appears uniform to a human
wherein forward voltage drop across the LEDs is used to generate an auxiliary voltage that powers at least one of the switches
and/or controller.

US Pat. No. 9,374,854

LIGHTING TECHNIQUES UTILIZING SOLID-STATE LAMPS WITH ELECTRONICALLY ADJUSTABLE LIGHT BEAM DISTRIBUTION

OSRAM SYLVANIA INC., Wil...

1. A lighting method comprising:
powering first and second solid-state lamps, each such lamp comprising:
a base configured to engage a power socket;
a plurality of solid-state emitters arranged over a non-planar interior surface of the lamp, wherein at least one of the solid-state
emitters is individually addressable to customize its emissions; and

one or more focusing optics optically coupled with the plurality of solid-state emitters; and
electronically manipulating beam distribution of the first and second lamps to provide first and second beam distributions,
respectively, wherein the first and second beam distributions are different from one another and electronically manipulating
beam distribution of the first and second lamps is performed via a control interface configured for communicative coupling
with each of the first and second lamps.

US Pat. No. 9,373,761

PATTERNED THIN-FILM WAVELENGTH CONVERTER AND METHOD OF MAKING SAME

OSRAM SYLVANIA Inc., Wil...

1. A method of making a patterned thin-film wavelength converter, comprising:
(a) obtaining a substrate having a patterned surface with a pattern of features;
(b) depositing a conformal intermediate layer on the patterned surface of the substrate;
(c) depositing a thin film consisting of a wavelength converting material on the intermediate layer on the patterned surface
of the substrate so that a surface of the thin film distal from the substrate has a pattern that is substantially the same
as the pattern of the substrate; and

(d) removing the thin film from the substrate by a laser or chemical lift-off technique to obtain the patterned thin-film
wavelength converter.

US Pat. No. 9,587,805

SOLID-STATE LUMINAIRE WITH ELECTRONICALLY ADJUSTABLE LIGHT BEAM DISTRIBUTION

OSRAM SYLVANIA Inc., Wil...

1. A luminaire comprising:
a housing having a hemispherical interior surface and an aperture;
a plurality of solid-state lamps arranged on the hemispherical interior surface of the housing so as to provide a lamp distribution
area, wherein each of the plurality of solid-state lamps is configured to emit light through the aperture, and the aperture
is smaller in size than the distribution area of the plurality of solid-state lamps on the hemispherical interior surface;

a controller communicatively coupled with each of the plurality of solid-state lamps and configured to output one or more
control signals to electronically and individually control light emitted thereby; and

an electro-optic tunable lens disposed within the aperture and configured to adjust accumulated light distribution, wherein
the controller is configured to output a control signal which controls the electro-optic tunable lens.

US Pat. No. 9,930,739

CURRENT SHARING CIRCUIT FOR LED LIGHTING

OSRAM SYLVANIA Inc., Wil...

1. A current balancing circuit, comprising:a plurality of series-pass sub-circuits, each configured to control current flow through a corresponding LED string coupled to a positive terminal of a power supply, wherein each series-pass sub-circuit includes a transistor having its drain/collector connected to the corresponding LED string, its source/emitter connected to a corresponding current sense sub-circuit, its drain/collector connected to its gate/base via a first diode and a second diode, and its drain/collector and gate/base connected to a string monitor and control sub-circuit;
a plurality of current sense sub-circuits, each configured to sense current flowing through a corresponding LED string;
a plurality of resistors, each resistor connected in parallel to a corresponding LED string, wherein the plurality of resistors prevents current flowing through all the LED strings when at least one LED string fails; and
the string monitor and control sub-circuit comprising a first resistor connected between the positive terminal of the power supply and the drain/collector and gate/base of the transistor in each series-pass sub-circuit and a second resistor connected between a negative terminal of the power supply and the drain/collector and gate/base of the transistor in each series-pass sub-circuit, wherein the string monitor and control-sub circuit is configured to null the voltage across the series-pass sub-circuit that controls a highest voltage LED string to be in the range of ?0.25V to +0.25V, wherein the voltage across the series-pass sub-circuit is a serial voltage drop between a corresponding LED string and the negative terminal of the power supply.

US Pat. No. 9,568,158

MOTOR VEHICLE ACCENT LAMP AND METHODS OF USE THEREOF

OSRAM SYLVANIA Inc., Wil...

1. A method of providing ornamental illumination to a lamp (100) of a motor vehicle (10), the lamp (100) having a reflector (110), a lens cover (120) that covers the reflector (110), and a primary light source (130) disposed within the reflector (110) in optical cooperation with the reflector (110), the reflector (110) positioned to receive light and direct received light outward through the lens cover (120) forming an illumination pattern, wherein the lens cover (120) has an interior surface (122) directed towards the reflector (110) and an exterior surface (124) directed outwardly opposite the reflector (110), the method comprising:
providing an accent lamp (204) comprising a housing (210) and a light-emitting device (220) disposed within the housing (210), the housing (210) defining a mounting surface (212) adapted to mount to a portion of the lens cover (120);

mounting the housing (210) to the exterior surface (124) of the lens cover (120) of the vehicle lamp (100); and

arranging the light-emitting device (220) such that, when the housing (210) is mounted to the exterior surface (124) of the lens cover (120) of the lamp (100), light emitted from the light-emitting device (220) passes through the lens cover (120) from outside the lens cover (120) towards the lamp reflector (110) and illuminates the reflector (110).

US Pat. No. 10,237,951

SOLID-STATE LUMINAIRE FOR CREATING COLOR GRADIENTS

OSRAM SYLVANIA Inc., Wil...

1. A luminaire comprising:a housing;
a plurality of solid-state lamps arranged on the housing, wherein each of the plurality of solid-state lamps is configured to emit light upwardly toward a ceiling and at least a portion of the housing has a hemispherical shape and the plurality of solid-state lamps are arranged on a hemispherical exterior surface of the housing, and
a controller communicatively coupled the plurality of solid-state lamps and configured to provide one or more control signals for controlling the plurality of solid-state lamps to provide a combined light output configured to illuminate the ceiling with a color gradient.

US Pat. No. 9,538,597

MULTICHANNEL POWER SUPPLY

OSRAM SYLVANIA Inc., Wil...

1. A system, comprising:
a front end circuit configured to receive an input voltage and to provide a regulated front end direct current (DC) voltage;
a multichannel source circuit coupled to the front-end circuit, the multichannel source circuit comprising a controller, a
reference voltage circuit, and a plurality of source circuits, wherein each source circuit in the plurality of source circuits
represents a distinct output channel, and wherein the multichannel source circuit is configured to generate a constant current
output for each source circuit in the plurality of source circuits; and

a plurality of loads, wherein each load in the plurality of loads is connected to a corresponding source circuit in the plurality
of source circuits and is configured to receive the corresponding constant current output via the corresponding source circuit,

wherein the controller is configured to generate an input to the reference voltage circuit, wherein the reference voltage
circuit is configured to generate a reference voltage and to provide the reference voltage to the plurality of source circuits,
and wherein the reference voltage is based upon the generated input.

US Pat. No. 9,948,391

TECHNIQUES FOR DETERMINING A LIGHT-BASED COMMUNICATION RECEIVER POSITION

OSRAM SYLVANIA Inc., Wil...

1. A receiver comprising:a camera having a field of view (FOV) and for generating an image within the FOV, the image having a zoom factor; and
a processor configured to:
identify a luminaire within the image;
calculate a distance from the camera to the luminaire using geometry of the luminaire, at least one of size and position of the luminaire in the image, and the zoom factor of the image;
determine an orientation of the camera relative to the luminaire using a fiducial associated with the luminaire, the fiducial being detectable within the image generated by the camera and providing an orientation cue, wherein the fiducial is a non-symmetric design aspect of the luminaire; and
calculate the position of the camera relative to the luminaire using the distance and orientation of the camera relative to the luminaire.

US Pat. No. 10,256,905

COMMISSIONING A LUMINAIRE WITH LOCATION INFORMATION

OSRAM SYLVANIA Inc., Wil...

1. A luminaire comprising:a communication module configured to receive commissioning device locations from a plurality of commissioning devices over time, wherein:
a first commissioning device location received from a first commissioning device in the plurality of commissioning devices is used to determine luminaire location information; and
subsequent commissioning device locations received from the plurality of commissioning devices are used to improve the accuracy of the luminaire location information;
at least one solid-state light source configured to output light; and
at least one modulator configured to modulate the light output to allow for emission of light-based communication (LCom) signals, wherein the signals allow the luminaire location information to be determined;
wherein the luminaire is configured to provide at least one of visual, aural, and tactile feedback to indicate that the luminaire has not received the first commissioning device location.

US Pat. No. 9,564,828

AUXILIARY POWER SUPPLY FOR AC POWERED ELECTRONICS

OSRAM SYLVANIA Inc., Wil...

1. An auxiliary power supply circuit, comprising:
a linear regulator configured to directly receive a line voltage from an AC voltage source;
a switch connected to the linear regulator, wherein the linear regulator only operates when the switch is active; and
a control circuit configured to close the switch based on the instantaneous value of the line voltage.

US Pat. No. 9,538,610

CIRCUITS FOR PHASE-CUT ANALOG DIMMING OF SOLID STATE LIGHT SOURCES

OSRAM SYLVANIA Inc., Wil...

1. A circuit comprising:
an anchoring circuit in communication with a dimming controller circuit, the anchoring circuit comprising a proportional direct
current (DC) voltage input, a biasing voltage input, a connection to a ground reference, and an output in communication with
the dimming controller circuit;

wherein the anchoring circuit provides a reference voltage to permit phase cut dimming to be operable at a plurality of line
voltages, and wherein the anchoring circuit comprises:

a first resistor comprising a first lead coupled to a positive proportional DC voltage and comprising a second lead;
a second resistor comprising a first lead coupled to a biasing voltage and comprising a second lead;
a third resistor comprising a first lead coupled to the biasing voltage and comprising a second lead;
a fourth resistor comprising a first lead coupled to the second lead of the second resistor and comprising a second lead;
a fifth resistor comprising a first lead coupled to a second lead of the third resistor and comprising a second lead;
a first transistor comprising a first lead coupled to the second lead of the second resistor, a second lead coupled to the
second lead of the first resistor, and a third lead coupled to the ground reference;

a second transistor comprising a first lead coupled to the second lead of the fourth resistor, a second lead coupled to the
second lead of the third resistor, and a third lead coupled to the ground reference; and

a third transistor comprising a first lead coupled to the second lead of the fifth resistor, a second lead comprising an output
of the anchoring circuit, and a third lead coupled to the ground reference.

US Pat. No. 9,599,318

SOLID STATE LIGHT SOURCE-BASED MODULE CONVERTIBLE BETWEEN LINEAR AND NON-LINEAR SHAPES

OSRAM SYLVANIA Inc., Wil...

1. A lighting module comprising:
a flexible substrate having a first side and a second side, wherein the first side includes conductive traces;
a plurality of solid state light sources placed on the first side of the flexible substrate, the plurality of solid state
light sources being electrically connected to the conductive traces; and

a flexible housing having at least a first shape and a second shape, the flexible housing comprising a flexible superelastic
material in an austenite phase, wherein the flexible housing is placed in proximity to the flexible substrate to form the
lighting module.

US Pat. No. 9,756,706

CONTROLLING A SYSTEM THAT INCLUDES LIGHT-BASED COMMUNICATION (LCOM)-ENABLED LUMINAIRES

OSRAM SYLVANIA Inc., Wil...

1. A system comprising:
one or more luminaires, each luminaire comprising:
at least one solid-state light source configured to output light;
a modulator configured to modulate the light output to allow for emission of light-based communication (LCom) signals, wherein
the LCom signals are configurable; and

an audio input device configured to detect ambient audio-based communication signals, wherein the audio-based communication
signals comprises data for controlling at least one of the luminaires embedded in an audio stream;

an audio output device configured to transmit the audio-based communication signals during a time period based on a synchronization
signal, the synchronization signal determined based on the configurable LCom signals;

a light sensor configured to detect the configurable LCom signals;
a computing device operatively coupled to the light sensor and configured to decode data from the configurable LCom signals;
and

a controller configured to control the light output from at least one of the luminaires.

US Pat. No. 10,015,868

SOLID-STATE LAMPS WITH ELECTRONICALLY ADJUSTABLE LIGHT BEAM DISTRIBUTION

OSRAM SYLVANIA Inc., Wil...

1. A lighting system, comprising:one or more solid-state lamps, wherein at least one solid-state lamp comprises:
a base configured to engage a power socket;
a plurality of solid-state emitters arranged over a non-planar interior surface of the solid-state lamp, wherein at least one of the solid-state emitters is individually addressable to customize its emissions in a direction that is independent from other solid-state emitters in the plurality of solid-state emitters; and
one or more focusing optics optically coupled with the plurality of solid-state emitters, wherein the one or more focusing optics are electronically adjustable to control the direction of the emissions of the at least one solid-state emitter; and
a control interface configured for communicative coupling with the one or more solid-state lamps, the control interface comprising a software control layer configured to detect overlap of beam distribution of neighboring solid-state lamps and to adjust emissions of the overlapping neighboring solid-state lamps.

US Pat. No. 9,949,345

TRANSIENT POWER COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A method of transient power communication, comprising:determining information to transmit from a master module to a slave module;
transmitting the information from the master module to the slave module by generating a supply voltage in the master module, wherein the supply voltage is one of a normal supply voltage and a reduced supply voltage, wherein the generated supply voltage is based on the information to be transmitted;
receiving the supply voltage in the slave module;
generating logic level voltages based on whether the received supply voltage is the normal supply voltage or the reduced supply voltage, wherein the logic level voltages correspond to the information;
interpreting the logic level voltages to determine the information; and
controlling operation of a load connected to the slave module based on the determined information.

US Pat. No. 9,900,993

DUAL SOLDER LAYER FOR FLUIDIC SELF ASSEMBLY AND ELECTRICAL COMPONENT SUBSTRATE AND METHOD EMPLOYING SAME

OSRAM SYLVANIA Inc., Wil...

1. An electrical component substrate, comprising at least one solder pad having a dual solder layer, the dual solder layer
comprising a first layer of a self-assembly solder and a second layer of a base solder, the second layer of the base solder
being disposed on the solder pad and the first layer of the self-assembly solder being disposed on the second layer, wherein
the self-assembly solder has a liquidus temperature less than a first temperature and the base solder has a solidus temperature
greater than the first temperature.

US Pat. No. 10,033,461

LIGHT-BASED COMMUNICATION (LCOM) VISUAL HOTSPOTS

OSRAM SYLVANIA Inc., Wil...

1. A luminaire comprising:at least one solid-state light source configured to output light; and
at least one modulator configured to modulate the light output to allow for emission of light-based communication (LCom) signals, the LCom signals detectable within a first field of view (FOV) of a first image capture device of a computing device;
wherein the luminaire is configured to project a visible cue that indicates LCom capability of the luminaire, the visible cue detectable within a second FOV of a second image capture device of the computing device, the second FOV approximately opposite the first FOV.

US Pat. No. 9,872,359

MULTIMODE COLOR TUNABLE LIGHT SOURCES

OSRAM SYLVANIA Inc., Wil...

1. A lighting system, comprising:
at least one multimode artificial ambient light source;
at least one control unit coupled to said at least one artificial ambient light source and configured to output at least one
control signal to said at least one artificial ambient light source wherein said at least one multimode artificial ambient
light source is configured to output light of varying color and color temperature in response to said at least one control
signal; and

one remote image sensor coupled to said at least one control unit, wherein the remote sensor is configured to detect at least
one color and intensity characteristic and send an output signal to said at least one control unit, based on said color and
intensity characteristic detected and the detection by the remote image sensor utilizes an examined region of an image wherein
the examined region is smaller than the complete area of the image.

US Pat. No. 9,706,621

MULTI-STANDARD LIGHTING CONTROL INTERFACE CIRCUIT

OSRAM SYLVANIA Inc., Wil...

1. A lighting control interface circuit, comprising:
an interface connector configured to receive a lighting control signal;
a control signal processing circuit operatively coupled to the interface connector and having a first processing section that
provides a first output signal at a first output and a second processing section operatively coupled to the first output and
configured to provide a second output signal at a second output; and

a processor configured to receive the first output signal via the first output and to determine if a lighting control signal
is being applied at the interface connector based on the first output signal.

US Pat. No. 9,801,260

TECHNIQUES AND GRAPHICAL USER INTERFACE FOR CONTROLLING SOLID-STATE LUMINAIRE WITH ELECTRONICALLY ADJUSTABLE LIGHT BEAM DISTRIBUTION

OSRAM SYLVANIA Inc., Wil...

1. A method of electronically controlling a light beam distribution of a solid-state luminaire, the method comprising:
presenting a field of selectable control features on a computing device, wherein the solid-state luminaire is communicatively
connected to the computing device, and at least one of the field of selectable control features is presented as a graphical
canvas resembling a target region to be lighted by one or more light sources of the solid-state luminaire, one or more selectable
nodes of the graphical canvas corresponding to the one or more light sources of the solid-state luminaire, and a circular
cursor node of the graphical canvas depicting a distribution of the light beam provided by the solid-state luminaire; and

adjusting the light beam distribution of the solid-state luminaire based on the size or location of the circular cursor on
a selection of one of the one or more selectable nodes presented on the graphical canvas.

US Pat. No. 9,697,619

TECHNIQUES FOR SPATIALLY RESOLVING RECEIVED LIGHT-BASED COMMUNICATION SIGNALS

OSRAM SYLVANIA Inc., Wil...

1. A receiver comprising:
a camera for capturing an image of at least one solid-state light source transmitting one or more light-based communication
(LCom) signals; and

a processor configured to:
segment the image into a plurality of non-overlapping cells, wherein the one or more LCom signals are each associated with
a unique pixel cluster of the light source captured in at least one of the cells; and

spatially resolve the one or more LCom signals based on detected unique pixel clusters, wherein the processor is further configured
to use receiver orientation information to assist in spatially resolving each LCom signal when the unique pixel clusters of
the one or more LCom signals overlap.

US Pat. No. 9,607,393

MULTIPLE PANEL LUMINAIRES FOR LIGHT-BASED COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A luminaire comprising:
a frame;
a plurality of panels arranged within the frame, each panel being independently controllable and comprising at least one solid-state
light source, wherein the light sources of each panel are configured to output light;

at least one modulator configured to modulate the light output of the light sources of the panels to allow for emission of
light-based communication (LCom) signals; and

a controller configured to synchronize timing of the LCom signals, such that a first LCom signal emitted from a first one
of the panels is synchronized to a second LCom signal emitted from a second one of the panels, wherein the first and second
LCom signals are simultaneously emitted and inverse to each other, and wherein a data rate of data emitted by the luminaire
is lower when the LCom signals comprise orientation information than when the LCom signals do not comprise orientation information.

US Pat. No. 9,698,908

SUB-SAMPLING RASTER LINES IN ROLLING SHUTTER MODE FOR LIGHT-BASED COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A method for decoding light-based communication (LCom) signals, the method comprising:
receiving sub-raster line data encoding a first LCom message and raster line data encoding a second LCom message from an image
capture device, wherein the sub-raster line data and raster line data are transmitted from a luminaire in a combined signal;

reconstructing the first LCom message based on the sub-raster line data; and
reconstructing the second LCom message based on the raster line data.

US Pat. No. 9,732,937

ILLUMINATION OPTICAL SYSTEM WITH TUNABLE BEAM ANGLE

OSRAM SYLVANIA Inc., Wil...

1. An optical system comprising:
a light source;
a post having a proximal end and a distal end, the proximal end in optical communication with the light source, an internal
area of the post having a reflective surface, wherein the post is totally reflective;

a diffuser disposed across the distal end of the post, the diffuser in optical communication with the post; and
a reflector surrounding a portion of the post, the reflector movable along a length of the post, wherein a position of the
reflector along the post determines a beam angle of a resulting light beam exiting the optical system.

US Pat. No. 9,578,702

SYNCHRONIZED PWM-DIMMING WITH RANDOM PHASE

OSRAM SYLVANIA Inc., Wil...

1. A lighting driver, comprising:
a power factor correction (PFC) stage for receiving a line voltage input having a line frequency and providing a rectified
output;

a converter stage for receiving the rectified output from the PFC stage and providing power to a lighting load; and
a controller configured to provide a pulse width modulated (PWM) dimming control signal to the converter stage, where the
PWM dimming control signal has a PWM frequency that is synchronized to the line frequency, and has a randomized phase angle.

US Pat. No. 9,551,480

TUBULAR LED LAMP WITH FLEXIBLE CIRCUIT BOARD

OSRAM SYLVANIA INC., Wil...

1. An LED lamp having a tubular body and a flexible circuit board, the flexible circuit board having a plurality of LEDs,
electric circuitry for powering the LEDs, and a curvature that is maintained by a retention means, the curvature of the flexible
circuit board substantially corresponding to a curvature of the tubular body, and wherein the retention means comprises two
longitudinal ridges that extend along the length of the tubular body; the longitudinal ridges engaging and retaining the flexible
circuit board.

US Pat. No. 9,660,436

DETECTION OF INTERCONNECTED OUTPUTS

OSRAM SYLVANIA Inc., Wil...

1. A method comprising:
activating a first channel of a power supply, such that power is supplied to a first load connected to the first channel;
measuring a first load voltage for the first load;
measuring a second load voltage for a second load connected to a second channel of the power supply;
comparing the second load voltage to the first load voltage to generate an interconnection result; and
shutting down the power supply when the interconnection result indicates that the second load voltage matches the first load
voltage, such that all channels of the power supply do not supply power to any load connected thereto.

US Pat. No. 9,871,589

TECHNIQUES FOR RASTER LINE ALIGNMENT IN LIGHT-BASED COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A computing device comprising:
an image capture device; and
a processor configured to:
assess alignment of a raster line of the image capture device relative to at least one solid-state luminaire transmitting
a pulsing light signal encoded with data by:

determining a position of the at least one solid-state luminaire within a field of view (FOV) of the image capture device;
determining a geometry of the at least one solid-state luminaire; and
determining a raster direction of the image capture device; and
provide, in response to misalignment between the raster line of the image capture device and the at least one solid-state
luminaire, instruction to align the raster line of the image capture device with the at least one solid-state luminaire.

US Pat. No. 9,863,594

VEHICLE HEADLAMP AND LIGHT-INJECTING ACCENT LAMP COMBINATION AND METHOD

OSRAM SYLVANIA Inc., Wil...

1. A combination automotive headlamp and an external attachable light source, comprising:
a headlamp (40) comprising

a lamp capsule (44) adapted to generate light;

a headlamp base (60) including an upper surface (61), an outermost peripheral surface (63), a capsule lead-receiving region (64), and a vehicle wiring connector-receiving region (65);

a retainer (54) affixed to the lamp capsule (44) and interconnecting the headlamp base (60) and the lamp capsule (44), the retainer (54) defining at least one light exit region (56) at a location between the upper surface (61) and the lamp capsule (44); and

the headlamp base (60) further defining a cavity (47) therein disposed underneath the lamp capsule (44) and defining a light passageway (45) extending between the outermost peripheral surface (63) and the upper surface (61), the light passageway (45) defining a light entrance window at the outermost peripheral surface (63); and

an accent lamp (10) attachable to the automotive headlamp base (60), the accent lamp comprising

a base (2);

a solid state light source (4) disposed on the base (2); and

a first retaining member (20) disposed on the base (2) and adapted to attach to a first portion of the headlamp base (60);
whereby the solid state light source (4) is optically coupled to the light entrance window of the headlamp base.

US Pat. No. 9,829,192

ORGANIC LIGHTING DEVICE AND LIGHTING EQUIPMENT

OSRAM OLED GmbH, Regensb...

1. A glazing comprising a luminous means comprising:
a substrate having a first main surface, to which a first electrode is applied,
a second electrode, and
an organic layer stack within an active region of the substrate between the first and the second electrode, wherein the organic
layer stack comprises at least one organic layer which is suitable for generating light,

wherein the luminous means is arranged between two glass plates of the glazing of a window, one of the glass plates serving
as encapsulation for the organic layer stack, the one glass plate being attached to the second electrode by an adhesive layer
arranged on a side of the second electrode facing away from the substrate.

US Pat. No. 9,748,858

SOLID STATE LIGHT SOURCE DRIVER ESTABLISHING BUCK OR BOOST OPERATION

OSRAM SYLVANIA Inc., Wil...

1. A driver circuit comprising:
a controller circuit;
a boost switch circuit coupled to the controller circuit;
a buck switch circuit coupled to the controller circuit; and
a feedback circuit coupled to a light source and configured to provide a feedback signal to the controller circuit representative
of a DC output of the driver circuit;

wherein the controller circuit is configured to control the boost switch circuit and the buck switch circuit in response to
the feedback signal to regulate current to the light source using a boost converter configuration when the DC output is less
than a rectified AC voltage coupled to the driver circuit at an input node, and to regulate current to the light source using
a buck converter configuration when the DC output is greater than the rectified AC voltage at the input node; and

wherein the boost converter configuration comprises:
the boost switch circuit;
an inductor;
a first diode; and
a capacitor;
wherein the boost switch circuit is coupled to a node between the inductor and the first diode and the capacitor is coupled
between the first diode and ground.

US Pat. No. 9,577,169

LED LEAD FRAME FOR LAMINATED LED CIRCUITS

OSRAM SYLVANIA Inc., Wil...

1. A method of fabricating a circuit comprising:
determining LED package spacing of a final circuit arrangement;
fabricating an LED package lead frame wherein the spacing of LED packages within the lead frame corresponds to the final spacing
of the LED packages within a circuit board; and

attaching the LED packages to the circuit board by applying the LED package lead frame to the circuit board wherein the circuit
board is a flexible sheet;

further comprising peeling away the lead frame leaving behind the LED packages attached to the circuit board.

US Pat. No. 9,664,358

ILLUMINATION OPTICAL SYSTEM WITH TUNABLE BEAM ANGLE

OSRAM SYLVANIA Inc., Wil...

1. An optical system comprising:
a light source;
a post having a proximal end and a distal end, the proximal end in optical communication with the light source, an internal
area of the post having a reflective surface, wherein the post is totally reflective;

a diffuser disposed across the distal end of the post, the diffuser in optical communication with the post; and
a reflector surrounding a portion of the post, the reflector movable along a length of the post, wherein a position of the
reflector along the post determines a beam angle of a resulting light beam exiting the optical system.

US Pat. No. 10,237,953

IDENTIFYING AND CONTROLLING LIGHT-BASED COMMUNICATION (LCOM)-ENABLED LUMINAIRES

OSRAM SYLVANIA Inc., Wil...

1. A device comprising:a light sensor having a field of view (FOV) and configured to detect light-based communication (LCom) signals from a luminaire within the FOV, wherein the luminaire has an identification (ID) that is at least one of an Internet Protocol (IP) and media access control (MAC) address and the ID is encoded in the LCom signals; and
a processor operatively coupled to the light sensor and configured to:
decode detected LCom signals;
determine the luminaire ID based on one or more detected and decoded LCom signals;
determine which features of the luminaire are adjustable based on the one or more detected and decoded LCom signals; and
control the adjustable features of the luminaire using the ID.

US Pat. No. 9,860,957

CCT TUNING DAYLIGHTING SYSTEM AND METHOD BASED ON LUMINOSITY MEASUREMENTS

OSRAM SYLVANIA Inc., Wil...

1. A method of adjusting a correlated color temperature (CCT) of a color-tunable light source, said method comprising:
receiving, at a controller, one or more signals from one or more luminosity (lux) sensors, said one or more signals representative
of a luminous flux of natural light;

determining, with said controller, a CCT of said natural light based on, at least in part, said luminous flux of said natural
light;

wherein determining said CCT of said natural light is based on, at least in part, a correlation between Luxnatural, Luxsunny, CCTnatural, and CCTsunny, and wherein Luxnatural is said luminous flux of said natural light, Luxsunny is a luminous flux of sunny natural light, CCTnatural is said CCT of said natural light, and CCTsunny is a CCT of sunny natural light; and

transmitting an output signal from said controller based, at least in part, on said determined CCT of said natural light,
said output signal configured to control said CCT of said color-tunable light source.

US Pat. No. 9,607,821

MODIFIED SPECTRUM INCANDESCENT LAMP

OSRAM SYLVANIA Inc., Wil...

1. A lamp having a rated wattage, the lamp comprising:
a light-transmissive envelope comprising a light-transmissive material;
a tungsten-halogen capsule housing a tungsten filament, wherein said tungsten-halogen capsule is housed inside the light-transmissive
envelope; and

a coating being disposed on a surface of the light-transmissive envelope or doped in the light-transmissive material, a concentration
of the coating being arranged so that the lamp has a color rendering index of at least 50, the lamp has a correlated color
temperature from 2400K to 2800K, and the lamp has a lumen per watt of at least 75% of a general service incandescent lamp
having the rated wattage's lumen per watt wherein the coating decreases the correlated color temperature of the lamp and wherein
the coating comprising about 67.5-66% precipitated silica, 30.5-29.5% aluminum silicate pigment, 0.35-2.44% CrSn pink, 0.05-0.36%
red iron oxide, and 1.6-1.75% coupling agents.

US Pat. No. 9,980,349

SPATIALLY AND TEMPORALLY SMOOTH OCCUPANCY LIGHTING

OSRAM SYLVANIA Inc., Wil...

1. A system comprising:a sensor configured to sense a location of an occupant within a space;
a controller configured to receive data from the sensor and control illumination provided by a plurality of lighting fixtures; and
a control module at least one of executable on and controllable by the controller and configured to identify one or more lighting fixtures in the plurality of lighting fixtures relevant to the location of the occupant based on data from the sensor, and further configured to control a light output of the one or more lighting fixtures to provide a region of illumination surrounding the occupant that is based on the location of the occupant, wherein the illumination is spatially and temporally smooth lighting.

US Pat. No. 9,742,493

RECONSTRUCTING LIGHT-BASED COMMUNICATION SIGNALS CAPTURED WITH A ROLLING SHUTTER IMAGE CAPTURE DEVICE

OSRAM SYLVANIA Inc., Wil...

1. A method for reconstructing light-based communication signals, the method comprising:
determining a signal length of a light-based communication signal;
configuring a buffer to match the determined signal length;
capturing a plurality of segments of the light-based communication signal from at least two repetitions of the light-based
communication signal by adjusting a capture frequency to sequentially capture the light-based communication signal in a number
of frames equal to a ratio of the determined signal length divided by a capture window length;

identifying, upon capturing each segment of the plurality of segments of the light-based communication signal, a location
of each segment within the light-based communication signal; and

storing each captured segment of the plurality of segments at a storage location of the buffer corresponding to the location
of each segment within the light-based communication signal.

US Pat. No. 9,634,724

ENERGY DELIVERY ON PATHS USED FOR COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A system comprising:
a bus;
a plurality of devices coupled to the bus and configured to communicate with each other via the bus via one or more messages;
and

a master controller coupled to the bus and configured to supply power to the plurality of devices via the bus and to control
communication between the plurality of devices, wherein the master controller is configured to calculate a predetermined recovery
time (TR) based on a message time and an estimate of a time to charge an energy storage circuit in at least one of the devices in
the plurality of devices, wherein the message time comprises a duration during which a first device in the plurality of devices
sends a forward message to a second device in the plurality of devices and another duration during which the second device
sends a response message to the first device, wherein the master controller is further configured to cause the plurality of
devices to wait for the predetermined recovery time (TR) after the end of a message is sent between the plurality of devices and before the beginning of a subsequent message is
sent by any of the plurality of devices,

wherein the master controller re-calculates the predetermined recovery time when a monitored value of the bus falls below
a threshold level.

US Pat. No. 9,562,664

VEHICLE HEADLAMP REGULATED AIRFLOW SYSTEM AND METHOD

OSRAM SYLVANIA Inc., Wil...

1. A headlamp venting system for a vehicle having a vehicle headlamp (30) configured to receive a light source (33), comprising:
a vehicle air intake comprising an engine ducting (2) adapted to receive airflow from an air inlet (40) and conduct airflow in a flow direction (13) to a ducting outlet (42), the ducting outlet conducting airflow to a vehicle engine;

a headlamp duct (28) connected in fluid communication with the engine ducting (2) between the air inlet (40) and the ducting outlet (42), the headlamp duct (28) adapted to receive airflow (13) from the engine ducting (2) and direct airflow to the vehicle headlamp (30); and

a valve (6) disposed between the headlamp duct (28) and the engine ducting (2), said valve (6) displaceable between a first position and a second position,

whereby in the first position the valve (6) permits airflow to the headlamp duct (28) to be discharged toward the vehicle headlamp (30), and whereby in the second position the valve (6) occludes airflow to the headlamp duct (28) to a greater extent than in the first position;

whereby at a low engine throttle the valve (6) permits airflow to the headlamp duct (28) and at a high engine throttle the valve (6) is displaced to the second position.

US Pat. No. 9,528,683

SHAPED INDIRECT LUMINAIRE

OSRAM SYLVANIA Inc., Wil...

1. A luminaire housing, comprising:
a pair of light source mounting surfaces, each extending laterally outward from an inner edge to an outer edge;
a pair of glossy reflective lateral sides, each extending generally upward from the outer edge of a corresponding one of pair
of the light source mounting surfaces to a top edge;

a pair of arcs, each arc extending from a top edge of a corresponding one of the pair of glossy reflective lateral sides inward,
such that the pair of arcs meet at a point that is centered between the pair of glossy reflective lateral sides, wherein an
angle of each arc is located below the luminaire housing, wherein each of the pair of arcs is glossy reflective; wherein the
pair of light source mounting surfaces are each configured to receive a diffuser; and wherein a set of solid state light sources
is disposed on the pair of light source mounting surfaces, such that light emitted therefrom is diffused by the diffuser upon
exiting the luminaire housing.

US Pat. No. 10,057,710

TECHNIQUES FOR AUGMENTING GPS-BASED NAVIGATION VIA LIGHT-BASED COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A computing device comprising:a light-sensing device configured to detect pulsing light signals encoded with data about a location of a solid-state luminaire transmitting that signal, wherein the light-sensing device comprises at least one of:
an image capture device configured to perform a rolling shutter image capture at a frame rate of about 30 frames per second (FPS)±6 FPS in detecting the pulsing light signals;
an image capture device configured to capture image data at a frame rate of about 240 FPS±24 FPS in detecting the pulsing light signals; and
an ambient light sensor configured to detect light at a sampling rate of about 256 Hz±64 Hz in detecting the pulsing light signals; and
a processor configured to:
receive user input comprising a list of places to visit, items to acquire, or tasks to accomplish, wherein at least one entry in the list is located in an indoor environment;
determine a navigation route to travel to each entry in the list;
identify a location of a plurality of solid-state luminaires along the navigation route;
compute an estimated travel time for the navigation route based on the location of the plurality of solid-state luminaires;
receive a first pulsing light signal encoding a first location of a first solid-state luminaire in the plurality of luminaires; and
update the estimated travel time based on the first location.

US Pat. No. 10,039,194

DUAL SOLDER LAYER FOR FLUIDIC SELF ASSEMBLY AND ELECTRICAL COMPONENT SUBSTRATE AND METHOD EMPLOYING SAME

OSRAM SYLVANIA Inc., Wil...

1. An electrical component substrate, comprising at least one solder pad having a dual solder layer, the dual solder layer comprising a first layer of a self-assembly solder and a second layer of a base solder, the second layer of the base solder being disposed on the solder pad and the first layer of the self-assembly solder being disposed on the second layer, wherein the self-assembly solder has a liquidus temperature less than a first temperature and the base solder has a solidus temperature greater than the first temperature.

US Pat. No. 9,803,823

VEHICLE LED BULB WITH POLYGONAL LIGHT GUIDE

Osram Sylvania Inc., Wil...

1. A vehicle light source, comprising:
a housing (12) having a base (14);

a printed circuit board (20) positioned in said base (14) and having a plurality of LEDs (24) operatively fixed thereto;

a light guide (28) having a light entrance region (32) proximal said plurality of LEDs (24) and a light exit region (33) distal from said light entrance region (32) and a light guide body (30) extending therebetween,

said light guide body (30) having a generally hollow interior defined by a single, centrally located bore (29) bounded by a cylindrical wall (26) arrayed around a central optical axis (18), said optical axis extending away from said plurality of LEDs (24);

said light guide body (30) further comprising, on an outer peripheral surface (31) thereof, a plurality of outer wall segments (35) bounding, as seen in cross-section transverse said optical axis (18), a regular polygonal shape having more than four sides, and wherein said light exit region (33) is axially opposite said light entrance region (32).

US Pat. No. 9,736,910

LIGHTING SYSTEM THAT SELF DETECTS THE RELATIVE PHYSICAL ARRANGEMENT OF ITS SOURCES

OSRAM SYLVANIA Inc., Wil...

1. A lighting system for detecting the relative position of its light source components, the lighting system comprising:
a first, second and third light source, each of the light sources at a different location in three dimensional space, wherein
the third light source includes a plurality of detectors evenly distributed around the third light source that collect non-distance
based information regarding the relative position of the third light source in relation to the first and second light sources;

at least one distance sensor associated with the lighting system, the distance sensor configured to determine the intersource
separation distance between the first light source and the second light source, the first light source and the third light
source, and the second light source and the third light source; and

a processor configured to:
determine the three dimensional position of the third light source in relation to the first and second light sources using
the intersource separation distances between the first and second light sources, the first and third light sources, the second
and third light sources, and the non-distance based information;

cause the first, second and third light sources to each display a different illumination mode when it is determined that there
is more than one possible location for the three dimensional position of the third light source; and

receive a user input to uniquely determine the three dimensional position of the third light source, wherein the user input
is based on the different illumination modes of the first, second, and third light sources.

US Pat. No. 9,762,320

TECHNIQUES FOR ENHANCING BAUD RATE IN LIGHT-BASED COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A computing device comprising:
an image capture device configured to capture an image inclusive of a solid-state luminaire transmitting a pulsing light signal
encoded with original data at a fixed modulation frequency, wherein the image capture device is configured to sample the pulsing
light signal at a sampling frequency equal to the fixed modulation frequency while undersampling at least one pixel in the
image; and

a processor configured to:
analyze partial data of the pulsing light signal decoded from the captured image, wherein the processor is configured to analyze
a detected fluctuation of the at least one undersampled pixel in reconstructing the original data of the pulsing light signal;
and

reconstruct the original data of the pulsing light signal utilizing the partial data decoded from the captured image, wherein
the processor reconstructs the original data from partial data decoded from a plurality of images captured by the image capture
device.

US Pat. No. 9,759,852

LIGHTGUIDE DESIGN TECHNIQUES

OSRAM SYLVANIA INC., Wil...

1. A lightguide device comprising:
an input surface configured to receive light from a light source; and
at least one surface having a surface texture comprising a plurality of light extraction features configured to direct incident
light out of the lightguide device, wherein the surface texture is divided into a plurality of zones including a first and
a second zone, the first zone having light extraction features configured differently than light extraction features of the
second zone, such that light is extracted from the first zone differently than from the second zone due to the difference
in their corresponding light extraction features.

US Pat. No. 9,564,966

RECONSTRUCTING LIGHT-BASED COMMUNICATION SIGNALS USING AN ALIAS FREQUENCY

OSRAM SYLVANIA Inc., Wil...

1. A method for sampling a light-based communication signal, the light-based communication signal repeated a plurality of
times, the method for sampling comprising:
capturing first light intensity data of the light-based communication signal, the capturing performed at a sampling rate less
than a Nyquist sampling rate for the light-based communication signal, the capturing of the first light intensity data initiated
at a first location of a first repetition of the light-based communication signal, the first location between a start location
and an end location of the first repetition of the light-based communication signal;

determining a capture offset that is a non-integer multiple of a sampling period divided by a signal period of the light based
communication signal; and

capturing second light intensity data of the light-based communication signal at the sampling rate, the capturing of the second
light intensity data initiated at the first location plus the capture offset.

US Pat. No. 9,837,586

WAVELENGTH CONVERTERS AND METHODS FOR MAKING THE SAME

OSRAM SYLVANIA Inc., Wil...

1. A single layer wavelength converter, comprising:
a single layer of a polymeric matrix material comprising a first region, a second region, and first and second surfaces;
quantum dot particles within said single layer of polymeric matrix material;
phosphor particles within said single layer of polymeric matrix material; and
wherein a distribution of said quantum dot particles and said phosphor particles in said polymeric matrix material is such
that said first region contains a higher concentration of said quantum dot particles than said second region, and said second
region contains a higher concentration of phosphor particles than said first region.

US Pat. No. 9,674,931

TECHNIQUES FOR GESTURE-BASED CONTROL OF COLOR-TUNABLE LIGHTING

OSRAM SYLVANIA Inc., Wil...

1. A computer-implemented method comprising:
determining, by a controller, at least one target lighting device;
receiving, by the controller, a plurality of touchpoints corresponding to user input via a touchpad sensor;
identifying, by the controller, a predefined gesture based at least in part on the plurality of touchpoints;
determining, by the controller, a target lighting characteristic associated with the identified predefined gesture;
determining, by the controller, an adjustment value for the target lighting characteristic based at least in part on the identified
predefined gesture and a travel distance LDS defined, at least in part, by a starting position and an ending position of the
plurality of touchpoints; and

sending, by the controller, an indication of the target lighting characteristic and the adjustment value to the at least one
target lighting device;

identifying, by the controller, a paste-gesture based at least in part on the plurality of touchpoints;
retrieving, by the controller, values representing a plurality of lighting characteristics from a memory;
setting, by the controller, values representing a plurality of current lighting characteristics associated with the at least
one target lighting device to the retrieved values; and

sending, by the controller, an indication of the plurality of lighting characteristics and the adjustment value based on the
retrieved values.

US Pat. No. 10,117,316

ROTATING IDENTIFICATIONS IN LIGHT-BASED POSITIONING SYSTEMS

OSRAM SYLVANIA Inc., Wil...

1. A light-based communication system, comprising:a plurality of luminaires, wherein each of the plurality of luminaires is configured to transmit light-based communication (LCom) signals; and
a server communicatively coupled to the plurality of luminaires and configured to:
assign an identifier to each of the plurality of luminaires;
transmit the assigned identifier to each of the plurality of luminaires, wherein each of the plurality of luminaires transmits the assigned identifier via LCom signals;
rotate, in response to receiving a trigger signal, the assigned identifier for each of the plurality of luminaires; and
transmit the rotated identifier to each of the plurality of luminaires, wherein each of the plurality of luminaires transmits the rotated identifier via LCom signals.

US Pat. No. 10,075,234

TECHNIQUES FOR EMITTING POSITION INFORMATION FROM LUMINAIRES

OSRAM SYLVANIA Inc., Wil...

15. A non-transitory computer program product encoded with instructions that, when executed by one or more processors, causes a process to be carried out, the process comprising:modulating light output of at least one light source in a luminaire to emit a light-based communication (LCom) signal, wherein:
the LCom signal is configurable to contain data, the data including at least position information indicating the physical location of the at least one light source, and
the at least one light source is configured to illuminate at least part of a given environment and the position information indicates both relative and absolute position information for the at least one light source, the relative position indicating position of the at least one light source relative to another location within the environment, and the absolute position indicating a global position of the at least one light source; and
dynamically updating the position information based on real-time changes to the physical location of the at least one light source, wherein updated position information is collected from one or more sensors in the luminaire.

US Pat. No. 9,819,508

REMOTE CONFIGURATION OF LIGHTING POWER SUPPLY

OSRAM SYLVANIA Inc., Wil...

10. A system to remotely configure a power supply, comprising:
a first computer system, wherein the first computer system comprises:
a first processor;
a first memory;
a display;
a transmitter in communication with the power supply; and
a first interconnection mechanism allowing communication between the first processor, the first memory, the display, and the
transmitter;

wherein the memory includes a configuration setting application; and
a second computer system in connection with the power supply, wherein the second computer system comprises:
a second processor;
a second memory;
a receiver associated with the transmitter; and
a second interconnection mechanism allowing communication between the second processor, the second memory, and the receiver;
wherein the second memory includes a configuring application and at least one parameter value for a parameter associated with
the power supply;
wherein the configuration setting application, when executed in the first processor as a configuration setting process, and
wherein the configuring application, when executed in the second processor as a configuring process, causes the first computer
system and the second computer system to perform operations of:
enabling the transmitter;
sending, via the enabled transmitter, an enable signal to the associated receiver;
in response, enabling the associated receiver;
providing a user interface on the display of the first computer system to a user;
receiving, via the user interface, a parameter setting for a parameter associated with the power supply;
transmitting, via the enabled transmitter, a configuration signal including the parameter setting for the parameter associated
with the power supply to the enabled associated receiver;

receiving the configuration signal via the enabled associated receiver;
decoding the configuration signal within the second computer system; and
configuring the power supply based on the decoded configuration signal and the parameter setting when the parameter setting
matches the at least one parameter value.

US Pat. No. 9,780,873

LIGHT-BASED COMMUNICATION TRANSMISSION PROTOCOL

OSRAM SYLVANIA Inc., Wil...

15. A non-transitory computer program product encoded with instructions that, when executed by one or more processors, causes
a process to be carried out, the process comprising:
transmitting a first pulsing light signal encoded with first data via a first color of light emitted by a first solid-state
luminaire at a first time;

transmitting a second pulsing light signal encoded with second data via a second color of light emitted by a second solid-state
luminaire at the first time;

transmitting the second pulsing light signal encoded with the second data via the second color of light emitted by the first
solid-state luminaire at a second time; and

transmitting the first pulsing light signal encoded with the first data via the first color of light emitted by the second
solid-state luminaire at the second time,

wherein:
the second solid-state luminaire neighbors the first solid-state luminaire in a plurality of solid-state luminaires;
neighboring solid-state luminaires in the plurality of luminaires are controlled to emit light of different colors at the
same time, including at the first time; and

the first data encoded in the first pulsing light signal and the second data encoded in the second pulsing light signal are
transmitted to a receiver, and the receiver is able to separate the first data and the second data.

US Pat. No. 9,638,392

LAMP OPTIC FOR USE IN LED-BASED LAMP

OSRAM SYLVANIA Inc., Wil...

1. A lamp optic (100), comprising:
a proximal end (104), a distal end (106) and a longitudinal axis (L) extending from the proximal end (104) to the distal end (106);

the proximal end (104) being configured to receive light from at least one light emitting diode (102), the proximal end (104) having a proximal inner side wall (112) linearly extending toward the distal end (106) and intersecting a proximal flat portion (114), the proximal flat portion (114) extending transverse to the longitudinal axis (L) and having a proximal flat portion length (LP) in a plane perpendicular
to a plane bisecting the lamp optic (100) and including the longitudinal axis (L), the proximal flat portion length (LP) measured from the proximal inner side wall
(112) on a first side of the longitudinal axis (L) to the proximal inner side wall (112) on an opposite side of the longitudinal axis (L);

the distal end (106) having a distal inner side wall (120) linearly extending toward the proximal end (104) and intersecting a distal flat portion (122), the distal flat portion (122) extending transverse to the longitudinal axis (L), the distal flat portion (122) having a distal flat portion length (LD) in the plane perpendicular to a plane bisecting the lamp optic (100) and including the longitudinal axis (L), the distal flat portion length (LD) measured from the distal inner side wall (120) on a first side of the longitudinal axis (L) to the distal inner side wall (120) on an opposite side of the longitudinal axis (L);

the distal flat portion length (LD) being at least 25 percent of the proximal flat portion length (LP); and
a lateral side (108) extending from the proximal end (104) to the distal end (106), the lateral side (108) having a first skirt region (124) and a second skirt region (126), the first skirt region (124) and the second skirt region (126) extending linearly and successively from the proximal end (104) to the distal end (106);

whereby the lamp optic (100) is configured to receive a first portion of light from the at least one light emitting diode (102) through the proximal inner side wall (112) of the proximal end (104) and emit the first portion of the light from the first skirt region (124) of the lateral side (108), and whereby the lamp optic (100) is configured to receive a second portion of the light from the at least one light emitting diode (102) through the proximal flat portion (114) of the proximal end (104), guide the second portion of the light to be reflected by the distal inner side wall (120) of the distal end (106) and emit the second portion of the light from the second skirt region (126) of the lateral side (108), and whereby the lamp optic (100) is configured to receive a third portion of the light from the at least one light emitting diode (102) through the proximal flat portion (114) of the proximal end (104) and emit the third portion of the light from the distal flat portion (122) of the distal end (106).

US Pat. No. 9,528,667

THERMOFORMING A SUBSTRATE BEARING LEDS INTO A CURVED BULB ENCLOSURE

OSRAM SYLVANIA Inc., Wil...

1. A method of manufacturing a lamp (10) comprising:
forming a first electrically conductive trace (70) on a first sheet segment (48), wherein the first sheet segment is a plastics material;

forming a second electrically conductive trace (80) on a second sheet segment (50), wherein the second sheet segment is a plastics material;

placing a first plurality of solid-state light sources (90) on the first sheet segment (48) such that each of the solid-state light sources of the first plurality of solid-state light sources (90) is in electrical communication with the first electrically conductive trace (70), wherein the first plurality of solid-state light sources (90) is a first plurality of light-emitting diodes, and wherein the first plurality of light-emitting diodes each comprise at
least one light-emitting chip (94);

placing a second plurality of solid-state light sources (100) on the second sheet segment (50) such that each of the solid-state light sources of the second plurality of solid-state light sources (100) is in electrical communication with the second electrically conductive trace (80), wherein the second plurality of solid-state light sources (100) is a second plurality of light-emitting diodes, and wherein the second plurality of light-emitting diodes each comprise
at least one light-emitting chip (94);

forming the first sheet segment (48) into a first shell portion (110) after forming the first electrically conductive trace (70) and after placing the first plurality of solid-state light sources (90) on the first sheet segment (48), wherein the first electrically conductive trace (70) and the first plurality of solid-state light sources (90) are located on a first curved region (112) of the first shell portion (110);

forming the second sheet segment (50) into a second shell portion (120) after forming the second electrically conductive trace (80) on the second sheet segment (50) and after placing the second plurality of solid-state light sources (100) on the second sheet segment (50), wherein the second electrically conductive trace (80) and the second plurality of solid-state light sources (100) are located on a second curved region (122) of the second shell portion (120); and

joining the first shell portion (110) and the second shell portion (120), including the first curved region (112) of the first shell portion (110) and the second curved region (122) of the second shell portion (120), in confronting relation into a bulb enclosure (40) defining an interior region (42) therein.

US Pat. No. 10,172,237

SPACE-EFFICIENT PCB-BASED INDUCTOR

OSRAM SYLVANIA Inc., Wil...

1. An inductor, comprising:a first set of inductor turns arranged to form a first toroidal end section;
a second set of inductor turns arranged to form a first cylindrical side section;
a third set of inductor turns arranged to form a second toroidal end section; and
a fourth set of inductor turns arranged to form a second cylindrical side section;
wherein:
the first toroidal end section, first cylindrical side section, second toroidal end section, and second cylindrical side section are connected in series; and
the turns of the first and third sets of inductor turns each has a first length, the turns of the second and fourth sets of inductor turns each has a second length, and wherein the second length is longer than the first length.

US Pat. No. 9,976,725

SOLID-STATE LUMINAIRE WITH PIXELATED CONTROL OF LIGHT BEAM DISTRIBUTION

OSRAM SYLVANIA Inc., Wil...

1. A luminaire comprising:a housing;
a plurality of solid-state lamps arranged on the housing, wherein light emitted by the plurality of solid-state lamps exhibits a one-to-one mapping of the solid-state lamps to beam spots produced thereby;
a controller communicatively coupled with the plurality of solid-state lamps and configured to provide pixelated control over light distribution of the luminaire, wherein the controller is configured to electronically control at least a beam direction of each of the plurality of solid-state lamps independently of one another via an electro-optic tunable lens optically coupled to each of the plurality of solid-state lamps; and
a touch-sensitive device configured to communicatively couple to the controller and send an input received by the touch-sensitive device to the controller to individually control each of the plurality of solid-state lamps to thereby provide the pixelated control over light distribution of the luminaire.

US Pat. No. 9,935,710

SPATIALLY AND/OR DISTANCE DEFINED LIGHT-BASED COMMUNICATIONS IN A VEHICLE/ROADWAY ENVIRONMENT

OSRAM SYLVANIA Inc., Wil...

1. A method of light-based communication within a vehicle or roadway environment, the method comprising:receiving, at a receiver of a first vehicle, a first spatially and/or distance defined light-based communication signal;
receiving, at the receiver of the first vehicle, a second spatially and/or distance defined light-based communication signal;
processing the first spatially and/or distance defined light-based communication signal at the first vehicle, wherein the first spatially and/or distance defined light-based communication signal includes data pertaining to at least one of a position of the first vehicle relative to a second vehicle, a time-of-flight (TOF) of the first spatially and/or distance defined light-based communication signal, or a heading of the first vehicle relative to a second vehicle;
processing the second spatially and/or distance defined light-based communication signal at the first vehicle, wherein the second spatially and/or distance defined light-based communication signal includes data pertaining to at least one of a position of the first vehicle relative to a third vehicle, a time-of-flight (TOF) of the second spatially and/or distance defined light-based communication signal, or a heading of the first vehicle relative to a third vehicle;
transmitting, by a transmitter of the first vehicle, a first message to the second vehicle, the first message based at least in part on the first spatially and/or distance defined light-based communication signal;
transmitting, by the transmitter of the first vehicle, a second message to the third vehicle, the second message based at least in part on the second spatially and/or distance defined light-based communication signal, the second message being different than the first message;
receiving, at the receiver of the first vehicle, light emitted from a light source within an environment around the vehicle, wherein the light source is not part of a light-based communication system; and
determining a status of the light source from one or more characteristics of the light emitted from the light source, wherein the one or more characteristics comprise at least one of wavelength, color, amplitude, intensity, and emission pattern;
wherein the transmitter of the first vehicle includes an array of individual light sources disposed on a complex surface, and the first and second messages are directionally transmitted by illuminating different individual light sources of the array.

US Pat. No. 9,761,434

LAMP WITH INTERTWINED STRANDED POWER LEAD

OSRAM SYLVANIA Inc., Wil...

1. A lamp assembly (10) comprising:
a lamp capsule (1) comprising a filament (6) therein connected to at least one electrical lead-in (12) extending through a press seal (2) to an exterior of the lamp capsule,

an insulative base (16) comprising at least one conductive pin (18) extending therefrom, the press seal (2) of the lamp capsule (1) being affixed to the base (16), and

at least one power lead (20) disposed in the base (16) and electrically interconnecting the lead-in (12) to the conductive pin (18),

wherein the at least one power lead (20) comprises stranded wire having a plurality of intertwined strands.

US Pat. No. 10,422,499

INTEGRATED PLANAR REFLECTIVE LARP PACKAGE AND METHOD

OSRAM GmbH., Munich (DE)...

1. A reflective laser activated remote phosphor (LARP) package comprising:a phosphor platelet oriented in a first plane defined by a z-axis and a y-axis perpendicular to the z-axis;
a laser diode positioned to be offset along the z-axis from the phosphor platelet and above the first plane along an x-axis perpendicular to the z-axis and the y-axis, the laser diode comprising:
an output facet configured for emitting a laser beam, the laser beam comprising:
a slow axis oriented in a first direction along which the laser beam diverges at a first angle; and
a fast axis oriented in a second direction along which the laser beam diverges at a second angle greater than the first angle;
wherein the laser diode is oriented such that the laser beam is bisected by the phosphor platelet such that the slow axis of the laser beam lies in a x-z plane and the fast axis of the laser beam is perpendicular to the x-z plane.

US Pat. No. 10,244,609

POWER LINE COMMUNICATION FOR LIGHTING SYSTEMS

OSRAM SYLVANIA Inc., Wil...

1. A lighting system, comprising:a first LED string;
a first processor configured to provide a first modulation control signal, and to sense one of the amount of current flow through the first LED string or the amount of voltage drop across the first LED string so as to allow for receipt and interpretation of an incoming power line communication signal;
a first modulation element operatively coupled to the first LED string and configured to cause modulation of one of current flow through the first modulation element or voltage drop across the first LED string in response to the first modulation control signal, thereby providing an outgoing power line communication signal, wherein the first modulation element comprises at least one of: a voltage source that is serially connected with the first LED string and is responsive to the first modulation control signal provided by the first processor; and/or a current source connected in parallel to the first LED string and responsive to the first modulation control signal provided by the first processor; and
a first power supply connector configured to receive power for the first LED string via a power line on which the incoming and outgoing power line communication signals are transmitted.

US Pat. No. 10,185,295

DYNAMIC CONTROL OF SWITCHING FREQUENCY IN A SWITCH MODE POWER CONVERTER

OSRAM SYLVANIA Inc., Wil...

1. A method of controlling a switching frequency of a switch mode power converter, the method comprising:receiving, at a processor, input voltage information and at least one of output voltage information and output load current information of a power converter operating at a switching frequency and load;
identifying, by the processor and an RC circuit coupled to the processor, an updated switching frequency based on the input voltage information and the at least one of output voltage information and output load current information of the power converter, wherein a thermo resistor forms at least a part of the RC circuit that determines the switching frequency; and
changing, by the processor, the switching frequency to the updated switching frequency.

US Pat. No. 10,161,591

THIN WALL INTERNAL REFLECTION LIGHT OPTIC

OSRAM SYLVANIA Inc., Wil...

1. A lamp optic, comprising:a light guide (100) to receive light from a light source (108) and generate a light beam from the received light by internal reflection, the light guide (100) including:
a proximal end (104) to receive the light from the light source (108);
a distal end (106) to emit the light beam;
an optical axis (OA) extending from the proximal end (104) to the distal end (106); and
a transverse axis (TA) extending perpendicular to the optical axis (OA),
a surface of the distal end having a stepped portion (110) formed therein, the stepped portion including a central surface (112) substantially parallel to the transverse axis (TA) and centered on the optical axis (OA), and linear steps (114) extending in opposing directions from the central surface (112) parallel to the transverse axis (TA) and along the optical axis (OA) towards the distal end (106), each of the linear steps (114) including an optical face (116) extending perpendicular to the optical axis (OA) and a transverse face (118) extending perpendicular to the transverse axis (TA); and
wherein a collimating lens (122) is disposed on the proximal end to receive the light from the light source (108), the collimating lens being optically coupled to the central surface (112).

US Pat. No. 9,920,903

LENSES AND LIGHTING DEVICES INCLUDING SAME

OSRAM SYLVANIA Inc., Wil...

1. A lens, comprising:
a body comprising a light source facing side and a room facing side, the room facing side being substantially opposite the
light source facing side and comprising a first optically active region and a second optically active region formed therein,
wherein:

the first optically active region comprises first optically active structures configured to redirect, via refraction, a portion
of light received through the light source facing side and incident thereon;

the second optically active region comprises second optically active structures configured to redirect, in part via total
internal reflection, a portion of light received through the light source facing side and incident thereon; and the lens produces
a light output having an off-axis light distribution; and wherein the body comprises a top, a bottom, a first side, and a
second side;

the first optically active region is positioned in the room facing side such that at least a first side of the first optically
active region is offset from the top; and

the second optically active region is positioned in the room facing side at a location proximate the first optically active
region such that at least one edge of the second optically active region is located proximate a second edge of the first optically
active region that is substantially opposite the first side of the first optically active region; and

wherein the lens further comprises an optically inactive region between the first optically active region and the top.

US Pat. No. 9,869,456

FIXTURE DESIGN FOR FLEXIBLE LED CIRCUIT BOARDS

Osram Sylvania Inc., Wil...

1. A lighting fixture comprising:
a lighting fixture housing; and
a plurality of rods mounted within the housing configured to define a non-flat shape for a flexible LED circuit, wherein the
placement of the rods within the housing is determined by a desired light distribution pattern produced when a flexible LED
circuit is woven between the rods; and

wherein the housing comprises at least two side plates having hole patterns for mounting and removing the rods.

US Pat. No. 9,759,400

VEHICLE LOW-BEAM HEADLAMP WITH CONCAVE REFLECTOR AND SUB-REFLECTOR HAVING TWO CONCAVE REFLECTING SURFACES

OSRAM SYLVANIA Inc., Wil...

1. A vehicle light (1, 11) producing a low-beam pattern and having a generally horizontal longitudinal axis (Z), comprising:
a transmissive lens (2) through which light exits the vehicle light;

a concave reflector (3) that receives low-beam light from a generally spherical distribution light source (7) and directs reflected low-beam light toward the transmissive lens (2);

a light occluding member (100) disposed generally horizontally and proximate a longitudinal axis (Z) of the vehicle light, wherein the concave reflector
(3) extends upward above the light occluding member (100); and wherein low-beam light is reflected between the concave reflector (3) and the light occluding member (100) toward the transmissive lens (2); and wherein the light occluding member (100) defines a first sub-reflector (6);

a cut-off edge (4) disposed adjacent to the transmissive lens (2) that blocks a portion of the reflected low-beam light and forms a bright/dark edge in the reflected low-beam pattern; and

a second sub-reflector (5) disposed below the generally spherical distribution light source (7) and comprising first and second generally concave reflecting surfaces (18, 18a, 18b) to reflect low-beam light, emitted generally downwardly from the generally spherical distribution light source (7), generally towards the concave reflector (3);

wherein the first and second generally concave reflecting surface (18a, 18b) are disposed on opposite sides of a longitudinal axis (L) of the generally spherical distribution light source (7), respectively.

US Pat. No. 10,327,295

MULTI STRING CONTROLLER WITH INDEPENDENT CURRENT SETTING FOR EACH STRING

OSRAM SYLVANIA Inc., Wil...

1. A multi LED string controller with independent current setting for each string comprising:at least one of a constant current buck or linear generator, having an output;
a pulse width modulation (PWM) generator providing a plurality of PWM outputs;
a ratio decision circuit in communication with the PWM generator;
a ratio adjust circuit in communication with the PWM generator and having a plurality of inputs; and
wherein the current sharing controller circuit provides a fixed total current with a non-overlapping variable duty cycle at the plurality of PWM outputs, the plurality of PWM outputs driving a plurality of channels, each channel including a plurality of LEDs and the ratio adjust circuit plurality of inputs provide feedback from the plurality of channels.

US Pat. No. 10,069,572

DECODING LIGHT-BASED COMMUNICATION SIGNALS CAPTURED WITH A ROLLING SHUTTER IMAGE CAPTURE DEVICE

OSRAM SYLVANIA Inc., Wil...

1. A method for decoding a light-based communication (LCom) signal utilizing a rolling shutter light receiver having overlapping raster lines, the method comprising:receiving light data encoded with the LCom signal;
storing a portion of the light data in a data buffer as the light data is received, wherein the portion of the light data comprises an exiting bit in the data buffer and an entering bit in the data buffer;
determining a curvature of the data buffer; and
determining a value of the entering bit in the portion of the light data based at least in part on the curvature.

US Pat. No. 9,992,826

DUAL MODE CONSTANT CURRENT LED DRIVER

OSRAM SYLVANIA Inc., Wil...

1. A light emitting diode (LED) driver comprising:a converter configured to receive a direct current (DC) voltage signal from a DC power source and convert the DC voltage signal into a constant current source to provide to a load;
a mode selection circuit comprising a diode for returning load current to the DC power source on a first path, and a first switch for returning the load current to the DC power source on a second path different from the first path; and
a controller, wherein:
in response to an output voltage of the LED driver being less than the DC voltage signal plus a first threshold voltage, the controller is configured to turn off the first switch thereby enabling a first mode in which the load current is returned to the DC power source on the first path; and
in response to the output voltage of the LED driver being greater than the DC voltage signal plus a second threshold voltage, the controller is configured turn on the first switch thereby enabling a second mode in which the load current is returned to the DC power source on the second path;
wherein the second threshold voltage is greater than the first threshold voltage.

US Pat. No. 9,979,476

TECHNIQUES FOR INDOOR NAVIGATION WITH HAZARD AVOIDANCE VIA LIGHT-BASED COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A solid-state luminaire comprising:a processor responsive to at least one of a sensor and an image capture device and configured to:
analyze data about a hazardous condition detected by the at least one of the sensor and the image capture device to determine an emergency evacuation route and a degree of danger of a given spatial zone along the emergency evacuation route; and
output data about the emergency evacuation route that avoids the detected hazardous condition and the degree of danger of the given spatial zone; and
a solid-state light source configured to emit a pulsing light signal encoded with the data about the emergency evacuation route and the degree of danger of the given spatial zone.

US Pat. No. 9,939,129

COLLIMATING METALENSES AND TECHNOLOGIES INCORPORATING THE SAME

OSRAM SYLVANIA Inc., Wil...

1. A multiregion hybrid collimating metalens (700), comprising:a substrate (303) having a first side (309) and second side (311); and
a metasurface (305) formed on said first side (309) of said substrate, the metasurface comprising a first region (701) extending radially around an optical axis of said hybrid multiregion collimating metalens (700) and a second region (703) extending radially around said first region (701);wherein:the first region (701) comprises an array of first unit cells (820) containing subwavelength spaced nanostructures (910), such that said first region (701) functions as a subwavelength high contrast grating (SWHCG); and
the second region (703) comprises an array of second unit cells (830), wherein the array of second unit cells (830) comprises a near periodic annular arrangement of nanostructures (910), such that the second region (703) approximates the functionality of a locally periodic radial diffraction grating.

US Pat. No. 9,859,812

AUXILIARY POWER SUPPLY FOR LIGHTING DRIVER CIRCUITRY

OSRAM SYLVANIA Inc., Wil...

1. A lighting driver circuit, comprising:
a current source configured to control a current through at least one lighting element; and
an auxiliary power supply configured to selectively receive the current so as to charge the auxiliary power supply with the
current and provide auxiliary power to a secondary circuit, wherein the auxiliary power supply comprises:

a capacitor;
at least one diode whose anode is connected to receive the current and whose cathode is connected to the capacitor; and
a first switch connected to the anode of the diode, and when the first switch is closed it prevents the auxiliary power supply
from receiving the current.

US Pat. No. 10,094,527

VEHICLE LOW BEAM HEADLAMP HAVING PARTIALLY TRANSMISSIVE SHUTTER REGION

OSRAM SYLVANIA Inc., Wil...

1. An automotive vehicle projector headlamp (12) comprising:a reflector (28) configured to reflect visible light emitted from a primary light engine (20);
a projector lens (30) configured to project at least a portion of said reflected visible light from said reflector (28); and
a shutter (22) disposed at a first position between said primary light engine (20) and said projector lens (30), said shutter (22) comprising a non-transparent region (54) and an upper edge (44) defining a cut-off whereby said shutter (22) is configured to selectively obscure a portion of said projector lens (30) from said reflected visible light and to selectively emit at least a portion of said reflected visible light through at least a portion of said projector lens (30) in a first low-beam light distribution pattern when disposed in said first position,
said shutter (22) further comprising a partially light-transmissive shutter bump (56) which attenuates an amount of visible light emitted from said projector lens (30) in a predefined area of said first light distribution pattern, said shutter bump (56) extending away from and above said upper edge (44) of said shutter (22).

US Pat. No. 9,772,076

CUTTABLE FLEXIBLE LIGHT ENGINES

OSRAM SYLVANIA Inc., Wil...

1. A flexible light engine comprising:
a flexible strip;
a first string of solid state light sources, comprising a first plurality of solid state light sources, and a second string
of solid state light sources, comprising a second plurality of solid state light sources, coupled to the flexible strip; and

a voltage balancer coupled to at least the first string of solid state light sources, wherein the voltage balancer is configured
to establish a desired current flow through the first string of solid state light sources and the second string of solid state
light sources, wherein the voltage balancer is coupled in series with the first string of solid state light sources between
a first conductive path and a second conductive path, and the series connection between the first string of solid state light
sources and the voltage balancer is coupled in parallel with the second string of solid state light sources.

US Pat. No. 9,553,246

SILICONE-GRAFTED CORE-SHELL PARTICLES, POLYMER MATRIX, AND LED CONTAINING SAME

OSRAM SYLVANIA Inc., Wil...

1. An LED comprising an LED die encapsulated in a polymeric matrix comprising a plurality of silicone-grafted core-shell particles
dispersed in a polysiloxane polymer.

US Pat. No. 9,929,809

RECONSTRUCTING LIGHT-BASED COMMUNICATION SIGNALS CAPTURED WITH A ROLLING SHUTTER IMAGE CAPTURE DEVICE

OSRAM SYLVANIA Inc., Wil...

1. A method for reconstructing light-based communication signals, the method comprising:determining a signal length of a light-based communication signal by at least one of:
decoding a metadata header that includes the signal length; and
identifying a starting location and an ending location of the light-based communication signal and determining the signal length based on the identified starting location and ending location of the light-based communication signal;
configuring a buffer to match the determined signal length;
capturing a plurality of segments of the light-based communication signal from at least two repetitions of the light-based communication signal;
identifying, upon capturing each segment of the plurality of segments of the light-based communication signal, a location of each segment within the light-based communication signal; and
storing each captured segment of the plurality of segments at a storage location of the buffer corresponding to the location of each segment within the light-based communication signal.

US Pat. No. 10,327,303

SYSTEM AND METHOD OF DYNAMIC COLOR ADJUSTMENT

OSRAM SYLVANIA Inc., Wil...

1. A method of controlling chromaticity of total light in a space, comprising:detecting the total light in the space by a sensor system, the total light including controlled light produced by a plurality of controllable light sources under the control of a lighting system, and uncontrolled light produced by at least one uncontrollable light source not under the control of the lighting system;
outputting a detected light signal from the sensor system based on the detected light, the detected light signal comprising a controlled light signal component due to the controlled light and an uncontrolled light signal component due to the uncontrolled light;
isolating the controlled light signal component from the detected light signal based on electrical properties currently being used to control the plurality of controllable light sources;
subtracting the controlled light signal component from the detected light signal to determine the uncontrolled light signal component;
dynamically selecting one of a plurality of calibration tables based on the uncontrolled light signal component, wherein each of the plurality of calibration tables describes a chromatic sensing response of the sensor system when the sensor system is exposed to incident light having different characteristics;
calibrating the uncontrolled light signal component based on the selected calibration table;
determining a chromaticity of the detected light based on the calibrated uncontrolled light signal component and the controlled light signal component; and
adjusting the electrical properties of the plurality of controllable light sources to adjust the chromaticity of the total light provided by the lighting system to approximate a target chromaticity.

US Pat. No. 10,141,704

CONNECTOR RELEASE TOOL

OSRAM SYLVANIA Inc., Wil...

1. A connector release tool (100) comprising:a shaft (102) having a proximal end (104) and an operative distal end (108), said proximal end (104) defining a handle portion (106), and said operative distal end (108) adapted to engage a terminal block (20) and allow removal of one or more wires (24) coupled to said terminal block (20), said distal end (108) comprising:
a shroud portion (110) having sidewalls (112), said sidewalls (112) extending away from said distal end (108) and terminating at a datum surface (114), and said sidewalls (112) further defining a channel (116) therebetween; and
a plurality of contact pins (118) extending away from said distal end (108) and into said channel (116) of said shroud portion (110), each contact pin (118) defining a tip portion (120) positioned within said channel (116) and a distance (D1) from said datum surface (114) of said sidewalls (112), and each contact pin (118) further adapted to contact an associated push-button connector (26) of said terminal block (20).

US Pat. No. 10,066,801

VEHICLE LAMP REFLECTOR HAVING VENTILATION CHANNEL ADJACENT LAMP CAPSULE

OSRAM SYLVANIA Inc., Wil...

1. An automotive lamp reflector (12) adapted to receive an automotive lamp capsule (10) having a resilient gasket (64) and retaining keys (42) extending from a lamp base (20), the reflector (12) comprising:a neck (2) and a reflective optical surface (16) formed thereon, the optical surface (16) defining an inner reflector cavity (19);
the neck (2) defining a bore (40) having a bore inner surface (44), the bore (40) extending in an axial direction (18) between a neck entrance region (46) and a neck exit region (48),
the neck entrance region (46) sized to receive a lamp capsule (10) and facing away from the optical surface (16), the neck entrance region (46) opening to an exterior region (45) disposed outwardly exterior of the reflector (12);
the neck exit region (48) being adjacent the optical surface (16), whereby the bore (40) communicates between the inner reflector cavity (19) and the exterior region (45);
the neck further defining:
a socket region (50) adapted to receive the lamp capsule (10) when positioned in the bore (40), the socket region (50) comprising a capsule latching structure (52) adapted to retain, at an axially predetermined position, the plurality of retaining keys (42) formed on the lamp base (20) of the lamp capsule (10);
a gasket seating surface (47) axially displaced from the capsule latching structure (52) and configured to receive the lamp gasket (64) disposed on the lamp base (20) of the lamp capsule (10); and
at least one channel (43) defined in the neck (2) adjacent to and recessed relative the gasket seating surface (47), said at least one channel (43) opening to the neck entrance region (46) and thereby bounding an air passageway (70) in fluid communication between the reflector cavity (19) and the neck entrance region (46),
whereby when a lamp capsule (10) is received in the bore (40) with the lamp gasket (64) adjacent the gasket seating surface (47) and the retaining keys (42) of the lamp capsule (10) retained against the capsule latching structure (52) in the socket region (50), the air passageway (70) defined in the neck (2) permits communication of air between the optical surface (16) and neck entrance region (46).

US Pat. No. 9,739,439

VEHICLE HEADLAMP WITH LIGHT PASSAGE

OSRAM SYLVANIA Inc., Wil...

1. An automotive headlamp (40) comprising:
a lamp capsule (44) including a press seal end (52) with at least one electric lead (48) extending through the press seal (52);

a headlamp base (60) including an upper surface (61), an outermost peripheral surface (63), a capsule lead-receiving region (64), and a vehicle wiring connector-receiving region (65);

a retainer (54) affixed to the press seal end (52) and interconnecting the headlamp base (60) and the lamp capsule (44), the retainer (54) defining at least one light exit region (56) at a location between the upper surface (61) and the press seal (52); and

the headlamp base (60) further defining a cavity (47) therein disposed underneath the lamp capsule (44) and defining a light passageway (45) extending between the outermost peripheral surface (63) and the upper surface (61), the light passageway (45) defining a light entrance window at the outermost peripheral surface (63).

US Pat. No. 10,056,018

DYNAMIC COLOR RENDERING METHODS AND SYSTEMS PROVIDING JUST-NOTICEABLE COLOR ACCENTUATION AND QUASI-ANIMATION EFFECTS

OSRAM SYLVANIA Inc., Wil...

1. A method for providing just noticeable color accentuation for a display of multi-colored items, comprising:illuminating the display with a tunable spectrum lamp; and
controlling the tunable spectrum lamp to provide a periodic, repeating illumination cycle through different illumination spectra, the repeating illumination cycle having a period of not less than about 10 seconds.

US Pat. No. 10,030,833

MULTIMODE COLOR TUNABLE LIGHT SOURCE AND DAYLIGHTING SYSTEM

OSRAM SYLVANIA Inc., Wil...

1. A window lighting system, comprising:a window configured to deliver light from a natural light source to the interior of a stationary architectural structure;
a multimode artificial light source;
an all sky camera disposed at a predetermined position external to the interior of the architectural structure and configured to capture image data of an environment within a field of view of said all sky camera corresponding to a path of travel of the sun over the course of a preselected time period viewable from said predetermined position;
a control unit in communication with said multimode artificial light source and said all sky camera; and
a mixing chamber configured to receive light from said natural light source and light from said at least one multimode artificial light source and to emit mixed light into the interior of the architectural structure;
wherein:
said control unit is configured to, in response to an environmental control signal from said all sky camera, output at least one control signal to said multimode artificial light source; and
said multimode artificial light source is configured to output light of varying color and color temperature in response to said at least one control signal.

US Pat. No. 10,028,352

TECHNIQUES FOR GESTURE-BASED CONTROL OF COLOR-TUNABLE LIGHTING

OSRAM SYLVANIA Inc., Wil...

1. A method comprising:determining, by a controller, at least one target lighting device;
receiving, by the controller, a plurality of touchpoints corresponding to user input via a touchpad sensor;
identifying, by the controller, a predefined gesture based at least in part on the plurality of touchpoints;
determining, by the controller, a target lighting characteristic associated with the identified predefined gesture;
determining, by the controller, an adjustment value for the target lighting characteristic based at least in part on the identified predefined gesture and a travel distance (D) defined, at least in part, by a starting position and an ending position of the plurality of touchpoints;
sending, by the controller, an indication of the target lighting characteristic and the adjustment value to the at least one target lighting device; and
sending, by the controller, a rate of change of the target lighting characteristic to the at least one target lighting device, wherein the rate of change is a non-linear function of the adjustment value.

US Pat. No. 9,939,119

ATTACHABLE VEHICLE ACCENT LAMP

OSRAM SYLVANIA Inc., Wil...

1. An accent lamp (10) removably attachable to an automotive headlamp (40) having a headlamp base (60) carrying a headlamp capsule (44), the headlamp base (60) having a light passageway (45) opening at an underside (63) of the headlamp (40) at a light entrance window, the accent lamp (10) comprising:a base (2);
a solid state light source (4) disposed on a mounting surface (8) attached to the base (2), the solid state light source (4) arranged to emit light in a principal direction (P) away from the mounting surface (8);
a first retaining member (20) disposed on and formed integral with the base (2) and being adapted to attach and selectively detach to a first portion of the headlamp base (60), the first retaining member (20) being disposed at a height, as seen in a direction extending along the principal direction (P), above the mounting surface (2), the first retaining member (20) being resiliently biased relative the mounting surface (8); and
a lens (6) disposed on the base (2) and optically coupled to the solid state light source (4), the lens defining a mounting seat configured to receive in biased relation the headlamp light entrance window when the headlamp is retained by the first retaining member (20),
whereby the lens is urged to mechanically and optically couple to the headlamp being received at the first retaining member.

US Pat. No. 10,251,241

GESTURE-BASED CONTROL TECHNIQUES FOR LIGHTING SYSTEMS

OSRAM SYLVANIA Inc., Wil...

1. A computing device comprising:a processor configured to:
determine a gesture made by the computing device, the gesture determination based on motion of the computing device;
navigate a user interface displayed on the computing device when the gesture is along a first axis of the computing device, wherein the gesture along the first axis is a fling gesture performed by moving the computing device by translation along the first axis and used to switch the active mode based on the fling direction;
adjust a light output of a luminaire when the gesture is along a second axis of the computing device, wherein:
the luminaire includes at least one solid-state light source configured to output light;
the gesture along the second axis is a pitch gesture performed by angularly lifting and lowering the computing device to provide a continuous range of pitch angles;
the control signal is based on the pitch angle; and
the pitch angle is dependent upon gravitational forces acting on the computing device along the first axis, the second axis, and a third axis of the computing device;
perform at least one error correction when determining the pitch angle to increase the accuracy of the pitch gesture when the computing device is not held flat when performing the pitch gesture, wherein the error originates from non-zero gravitational forces along the first axis and the third axis when the computing device is not held flat; and
confirm or revert the adjustment of the light output of the luminaire when the gesture is around the third axis of the computing device, wherein the gesture around the third axis is a tilt gesture performed by rotating the device in a direction about the third axis to confirm the selected option or revert to the previously selected option based on the tilt direction around the third axis; and
a communication module configured to transmit a control signal to the luminaire, wherein the control signal adjusts the light output of the luminaire based on the gesture along the second axis of the computing device.

US Pat. No. 10,251,246

CONNECTED LIGHTING NETWORK ARCHITECTURE

OSRAM SYLVANIA Inc., Wil...

1. A system having a plurality of multi-channel lighting fixtures that communicate over a network, the system comprising:a controller configured to send a first query message over the network to a first multi-channel lighting fixture in the plurality of multi-channel lighting fixtures; and
the first multi-channel lighting fixture, wherein the first multi-channel lighting fixture accesses one or more services to communicate with the controller and is configured to send a first reply message over the network to the controller in response to receiving the first query message;
wherein the controller is further configured to tally a number of reply messages received from the first multi-channel lighting fixture to determine a connectivity health of the first multi-channel lighting fixture.

US Pat. No. 10,066,795

CUTTABLE FLEXIBLE LIGHT ENGINES

OSRAM SYLVANIA Inc., Wil...

1. A flexible light engine comprising:a flexible strip;
a first string of solid state light sources, comprising a first plurality of solid state light sources, and a second string of solid state light sources, comprising a second plurality of solid state light sources, coupled to the flexible strip;
a voltage balancer coupled to at least the first string of solid state light sources, wherein the voltage balancer is configured to establish a desired current flow through the first string of solid state light sources and the second string of solid state light sources; and
a plurality of test points along a length of the flexible strip, a first test point in the plurality of test points being positioned within the first string of solid state light sources and a second test point in the plurality of test points being positioned within the second string of solid state light sources.

US Pat. No. 10,184,643

ENCLOSURE WITH GROMMETLESS STRAIN RELIEF

OSRAM SYLVANIA Inc., Wil...

1. An enclosure, comprising:a base having a bottom, a first sidewall, a second sidewall, a third sidewall, and a fourth sidewall, arranged to provide a first open box-like structure, wherein the first sidewall is configured with a wire routing slot at a perimeter of the first sidewall; and
a cover having a top, a first sidewall, a second sidewall, a third sidewall, and a fourth sidewall, arranged to provide a second open box-like structure configured to couple with the base so as to provide a strain relief for an electrical wire passing through the wire routing slot, wherein the electrical wire is pressed against a first length of the first sidewall of the base by a second length of the first sidewall of the cover, wherein the first length overlaps the second length, and the first length and the second length are parallel.

US Pat. No. 10,186,981

SYSTEMS AND METHODS OF DELIVERING RECTIFIED VOLTAGE TO A LOAD

OSRAM SYLVANIA Inc., Wil...

1. An energy storage circuit comprising:a switch controller circuit;
an input switch circuit coupled to the switch controller circuit and a rectifier circuit, wherein the rectifier circuit comprises a first lead and a second lead, wherein the first lead is directly connected to a node A and the second lead is directly connected to a node B, wherein the input switch circuit comprises a transistor, wherein the transistor comprises a drain and a source, wherein the drain is directly connected to the node B, and wherein the source is directly connected to ground, such that the transistor is coupled between the rectifier circuit and ground; and
an energy storage switch circuit coupled to the switch controller circuit and a capacitor circuit;
wherein the switch controller circuit is configured to provide a controller output to the input switch circuit and the energy storage switch circuit in response to a rectified AC voltage, to couple the rectified AC voltage to a load and to charge the capacitor circuit when the rectified AC voltage is greater than a predetermined value, and to couple the capacitor circuit to the load to discharge the capacitor circuit through the load when the rectified AC voltage is less than the predetermined value.

US Pat. No. 9,992,846

ACTIVE DAMPING CIRCUIT

OSRAM SYLVANIA Inc., Wil...

1. An active damping circuit, comprising:a first resistor comprising a first lead and a second lead;
a second resistor comprising a first lead and a second lead, wherein the first lead is connected to a positive voltage;
a third resistor comprising a first lead and a second lead, wherein the first lead is connected to a logic ground;
a first transistor comprising a base, an emitter, and a collector, wherein the base is connected to the first lead of the first resistor, the emitter is connected to the logic ground, and the collector is connected to the second lead of the second resistor;
a second transistor comprising a gate, a source, and a drain, wherein the gate is connected to the second lead of the second resistor and the collector of the first transistor, the source is connected to the second lead of the third resistor, and the drain is connected to the logic ground;
a first capacitor comprising a first lead and a second lead, wherein the first lead is connected to the collector of the first transistor, the second lead of the second resistor, and the gate of the second transistor, and the second lead is connected to the logic ground; and
a microcontroller comprising an output connected to the second lead of the first resistor, and a connection to the logic ground.

US Pat. No. 10,681,783

LUMINAIRE WITH PROGRAMMABLE LIGHT DISTRIBUTION

OSRAM SYLVANIA Inc., Wil...

1. A method of setting luminance levels of solid-state light sources of a luminaire with programmable light distribution, the method comprising:obtaining a file describing a desired light beam distribution from another luminaire with programmable light distribution, wherein the desired light beam distribution comprises measured light output levels of solid-state light sources in the other luminaire;
converting the desired light beam distribution into luminance levels for the solid-state light sources; and
applying the luminance levels to the solid-state light sources to cause the luminaire to output the desired light beam distribution.

US Pat. No. 10,412,802

LUMINAIRE WITH PROGRAMMABLE LIGHT DISTRIBUTION

OSRAM SYLVANIA Inc., Wil...

1. A method of setting luminance levels of solid-state light sources of a luminaire with programmable light distribution, the method comprising:obtaining an output of a lighting design program, wherein the output comprises a file describing a desired light beam distribution;
identifying the luminaire from the output of the lighting design program;
converting the desired light beam distribution into luminance levels for the solid-state light sources; and
applying the luminance levels to the solid-state light sources to cause the luminaire to output the desired light beam distribution.

US Pat. No. 10,178,506

AUGMENTING LIGHT-BASED COMMUNICATION RECEIVER POSITIONING

OSRAM SYLVANIA Inc., Wil...

17. A non-transitory computer program product encoded with instructions that, when executed by one or more processors, causes a process to be carried out, the process comprising:detect light-based communication (LCom) signals using a light sensor of a receiver, the receiver further including an accelerometer and gyroscopic sensor;
decode detected LCom signals from the light sensor to determine the receiver location;
calculate, using locationing data from the accelerometer and gyroscopic sensor, the receiver position relative to a reference location to determine the receiver location; and
prioritize determining the receiver location from either the detected LCom signals from the light sensor or the locationing data from the accelerometer and gyroscopic sensor to conserve memory or power, wherein the prioritizing is based on at least one of an environment of the receiver and a previously determined receiver location.

US Pat. No. 10,134,714

FLEXIBLE CIRCUIT BOARD FOR LED LIGHTING FIXTURES

OSRAM SYLVANIA Inc., Wil...

1. A flexible circuit comprising:a perforated upper laminate sheet formed of polymeric material;
a lower laminate sheet formed of polymeric material;
a plurality of metallic conductors laminated between the perforated upper laminate sheet and the lower laminate sheet, wherein metallic contacts of the conductors are exposed by perforations in the perforated upper laminate sheet;
wherein each metallic conductor comprises at least one of a metallic ribbon, a metallic tape, and/or a metallic wire;
wherein each metallic conductor provides two metallic contacts at opposing ends thereof, and each metallic conductor extends between adjacent perforations;
wherein each metallic conductor is clampingly retained between the upper and lower laminate sheets; and
a plurality of surface mount devices attached to the metallic contacts of two adjacent metallic conductors.

US Pat. No. 10,103,811

TECHNIQUES FOR INDOOR NAVIGATION WITH EMERGENCY ASSISTANCE VIA LIGHT-BASED COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A solid-state luminaire comprising:a solid-state light source configured to emit a pulsing light signal encoded with data; and
a processor responsive to at least one of a sensor, an image capture device, and an audio input device and configured to adjust light output of the solid-state light source in response to detection of an alarm by the at least one of a sensor, an image capture device, and an audio input device;
wherein adjustment of the light output of the solid-state light source comprises encoding the pulsing light signal with a command signal that causes a recipient computing device to initiate an electronic communication to solicit help to address an event indicated in the data, the electronic communication directed to at least one of a first responder and a personal contact.

US Pat. No. 10,097,265

TECHNIQUES FOR POSITION-BASED ACTIONS USING LIGHT-BASED COMMUNICATION

OSRAM SYLVANIA Inc., Wil...

1. A system comprising:a server configured to:
receive, from a computing device, a grant access request; and
transmit an encrypted message to a luminaire based on the grant access request;
a luminaire configured to:
receive, from the server, the encrypted message;
decrypt the encrypted message; and
transmit the decrypted message to the computing device via a light-based communication (LCom) signal; and
the computing device, wherein the computing device comprises:
a light sensor configured to detect the LCom signal from the luminaire; and
a processor operatively coupled to the light sensor and configured to:
transmit the grant access request to the server;
decode the decrypted message from the LCom signal; and
perform a position-based action based on the decrypted message, wherein the position-based action includes providing a security checkpoint as a result of the computing device being physically positioned such that it can receive the LCom signal, and wherein the LCom signal are used to verify that the computing device is in proximity to the security checkpoint.

US Pat. No. 10,161,610

SOLID-STATE LUMINAIRE WITH ELECTRONICALLY ADJUSTABLE LIGHT BEAM DISTRIBUTION

OSRAM SYLVANIA Inc., Wil...

1. A luminaire comprising:a housing;
a plurality of solid-state light sources arranged over a contour of the housing, wherein at least one of the solid-state light sources comprises:
a substrate configured to conform to the contour of the housing;
one or more solid-state emitters populated over the substrate; and
one or more optics optically coupled with the one or more solid-state emitters;
one or more heat sinks arranged over the housing and thermally coupled with at least one of the plurality of solid-state light sources and the substrate; and
a controller communicatively coupled with the plurality of solid-state light sources and configured to electronically control a beam direction emitted by each of the plurality of solid-state light sources independently or in one or more groupings, wherein the controller is configured to achieve color mixing at a given spot by electronically controlling the beam direction of two or more of the plurality of solid-state light sources to point to the given spot.

US Pat. No. 9,998,026

TECHNIQUES FOR ASSESSING CONDITION OF LEDS AND POWER SUPPLY

OSRAM SYLVANIA Inc., Wil...

1. A lighting system, comprising:a switch-off detection circuit comprising a high-pass filter and a comparator configured to detect switch-off time in a switch-mode power supply of a lighting system, and to output a trigger signal in response to detecting switch-off time; and
a controller configured to collect, in response to receiving the trigger signal, data from which operating conditions of the lighting system can then be assessed, wherein:
one or more of the operating conditions of the lighting system to be assessed are with respect to an output capacitor of the switch-mode power supply, and degradation of the output capacitor is determined using discharge current of the output capacitor as a function of time; and
the data collected by the controller includes two voltages V1 and V2 collected by corresponding first and second analog-to-digital converters of the controller, wherein the voltage V1 corresponds to voltage across light emitting diodes of the lighting system and voltage V2 corresponds to output capacitor discharge current of the switch-mode power supply.

US Pat. No. 10,588,186

OUTPUT CURRENT CONFIGURATION BASED ON LOAD CONNECTION

OSRAM SYLVANIA Inc., Wil...

1. A driver port providing selectable output currents, comprising:a plurality of shunt resistors connected in series between a negative output of a driver and a ground;
a driver port having a plurality of connection points, wherein each respective connection point is connected to a different connection between two of the plurality of shunt resistors;
wherein a load is capable of being connected between one of the connection points of the driver port and a positive output of the driver.

US Pat. No. 10,187,163

SELF-LOCATING LIGHT-BASED COMMUNICATION ENABLED LUMINAIRES

OSRAM SYLVANIA Inc., Wil...

1. A method for programming luminaire position into a luminaire, the method comprising:providing a reference location of an origin luminaire to a mobile computing device;
receiving position information from the mobile computing device, wherein the position information is based on the reference location and an estimated displacement of the mobile computing device from the reference location;
adjusting a confidence level based on a comparison of the position information from the mobile computing device with a current luminaire position value;
refining the current luminaire position value of the luminaire using the position information from the mobile computing device; and
broadcasting the refined current luminaire position value from the luminaire when the confidence level is equal to or greater than a threshold.

US Pat. No. 10,132,465

COLLIMATING METALENSES AND TECHNOLOGIES INCORPORATING THE SAME

OSRAM SYLVANIA Inc., Wil...

1. A collimating metalens (401), comprising:a substrate (303) having a first side (309) and a second side (311); and
a metasurface (305) formed on said first side (309) of said substrate, the metasurface comprising at least one region (701);wherein:the at least one region (701) comprises an array of first unit cells (830), wherein the array of first unit cells (830) comprises an arrangement of nanostructures (910), such that each first unit cell (830) functions as a radial diffraction grating structure.

US Pat. No. 10,254,382

SYSTEM AND METHOD FOR DETERMINING VEHICLE POSITION BASED UPON LIGHT-BASED COMMUNICATION USING SIGNAL-TO-NOISE RATIO OR RECEIVED SIGNAL STRENGTH INDICATOR

OSRAM SYLVANIA Inc., Wil...

1. A method for determining vehicle position based upon light based communication (LBC), the method comprising:receiving, at a receiver array of photodiodes in a first LBC system of a first vehicle, a first digital message, the first digital message being received from a second LBC system of a second vehicle and comprising a location of the second LBC system on the second vehicle;
measuring, by a processor coupled to the receiver array of photodiodes, a first signal parameter of the first digital message; and
using trilateration to determine a relative distance between the first vehicle and the second vehicle based at least in part on the first signal parameter of the first digital message; and
determining a relative orientation between the first vehicle and the second vehicle based on the location of the second LBC system.

US Pat. No. 10,247,383

VEHICLE LAMP WITH ARTICULATED MULTI-PIECE HEAT SINK

OSRAM SYLVANIA Inc., Wil...

1. A motor vehicle lamp (100), comprising:a lamp housing (110) defining an interior compartment (116) and an exterior region (102);
a solid-state light source (120) disposed on a first heat sink (150) in thermal communication therewith, the first heat sink (150) being disposed within the interior compartment (116);
a second heat sink (170) having an heat-transferring exterior section (178) disposed in the exterior region (102) of the lamp housing (110) and further having a heat-transferring receiver section (176) disposed at least partially within the interior compartment (116); and
the first heat sink (150) being in thermal communication with the second heat sink (170) and coupled in displaceable relationship to the second heat sink (170), whereby a position of said solid-state light source (120) is adjustable relative the lamp housing (110); wherein
the first heat sink (150) is coupled in pivotable relationship to the second heat sink (170).