US Pat. No. 9,739,426

BULB FOR SEMICONDUCTOR LUMINOUS DEVICE, AND SEMICONDUCTOR LUMINOUS DEVICE

Ledvance GmbH, Garching ...

10. A semiconductor luminous device, comprising
at least one semiconductor light source and
an optically transmissive bulb for transmitting light emitted by the at least one a semiconductor light source,
wherein the bulb is three-dimensionally extended and comprises
a plurality of optically effective surface structures,
wherein the plurality of optically effective surface structures comprises a plurality of through-bores through the bulb and
a plurality of optical elements,

wherein each optical element comprises a hollow cylindrical base and two annular elevations on the outer lateral surface of
the cylindrical base

wherein each optical element is inserted into a through-bore of the plurality of through-bores from an outer side of the bulb
and extends laterally beyond the bulb,

wherein the plurality of optical elements is configured to direct light emitted by the at least one semiconductor light source
into a rearward direction.

US Pat. No. 9,863,628

SEMICONDUCTOR RETROFIT LAMP HAVING CONNECTING ELEMENTS ARRANGED ON TWO SIDES

LEDVANCE GmbH, (DE)

1. A semiconductor retrofit bulb having connecting elements that are arranged on two sides, the semiconductor retrofit bulb
comprising:
a tubular cooling body having at least one outer face support surface, wherein there is arranged on the support surface at
least one semiconductor light source; and

a driver housing that is introduced into a hollow space of the cooling body such that the driver housing is radially within
an annulus defined by the cooling body,

wherein at least one flow channel is provided between the driver housing and the cooling body, the at least one flow channel
being fluidly communicable with air outside of the semiconductor retrofit bulb,

wherein the driver housing comprises, at end sides thereof, the connecting elements that protrude at least in part axially
outside of the cooling body, and

the connecting elements encase a contact element, wherein each part of the connecting elements is formed integrally with a
part of the driver housing, and the part of the driver housing is surrounded by the cooling body.

US Pat. No. 9,865,450

LOW-PRESSURE DISCHARGE LAMP WITH FLUORESCENT PARTICLES HAVING A SMALL PARTICLE SIZE

LEDVANCE GmbH, (DE)

1. Low-pressure discharge lamp, with a discharge vessel and a coating structure formed on an inside of the discharge vessel,
the coating structure comprising:
first fluorescent particles which have a least one fluorescent substance emitting red light and the mean particle size of
which lies in a range from 0.5 ?m to 1.9 ?m,

second fluorescent particles which have at least one fluorescent substance emitting green light and the mean particle size
of which lies in a range from 0.6 ?m to 2.8 ?m or from 1 ?m to 4 ?m, and

third fluorescent particles which have at least one fluorescent substance emitting blue light and the mean particle size of
which lies in a range from 1 ?m to 4 ?m;

wherein the fluorescent substances each comprise activators and host lattices doped with the activators, wherein
a proportion of the activators in the fluorescent substance emitting green light lies in the range from 6.5 mol % to 16 mol
% or from 20 mol % to 50 mol %,

a proportion of the activators in the fluorescent substance emitting red light lies in the range from 2.3 mol % to 5.5 mol
%, and/or

a proportion of the activators in the fluorescent substance emitting blue light lies in the range from 3.0 mol % to 11.0 mol
%.

US Pat. No. 9,822,934

LAMP HAVING A GLASS BULB AND SEMICONDUCTOR LIGHT SOURCE

Ledvance GmbH, (DE)

1. A lamp, comprising:
a tubular glass bulb with open end sides;
at least one elongate carrier, inserted into the glass bulb, for at least one light strip;
at least one elastic diffuser layer which is introduced into the glass bulb; and
two bases which are fitted onto the open end sides of the glass bulb;
wherein the at least one light strip has a strip-shaped circuit board with a front-side conduction structure and with at least
one semiconductor light source which is electrically connected thereto;

wherein the conduction structure is electrically connected to at least one of the bases;
wherein the at least one diffuser layer arches over the at least one semiconductor light source and the at least one conduction
structure in a contact-free configuration at least over a length between the bases;

wherein the at least one diffuser layer is latched to the at least one carrier,
wherein the at least one diffuser layer is inserted bent cylindrically into the glass bulb and is latched, in the region of
its longitudinal edges, to the carrier, and

wherein the carrier has, in the region of each of its two longitudinal sides, at least one latching hook into which latching
hook the diffuser layer is latched.

US Pat. No. 10,047,942

CONNECTOR DEVICE AND ILLUMINATION APPARATUS COMPRISING THE CONNECTOR DEVICE

LEDVANCE GmbH, Garching ...

1. A connector device for an illumination apparatus, comprising a stationary element for connecting to the illumination apparatus, a first movable element for connecting to a power supply, a second movable element rotatably connected to the stationary element, and a locking element arranged between the stationary element and the second movable element, characterized in that rotation of the second movable element in a first direction drives the locking element to release locking of the second movable element, and when the second movable element continues to be rotated in the first direction and drives the first movable element to rotate together, rotation of the first movable element enables the locking element to release locking of the first movable element.

US Pat. No. 9,863,626

LAMP HOLDER AND MANUFACTURING METHOD THEREOF AND ILLUMINATING DEVICE HAVING THE LAMP HOLDER

LEDVANCE GmbH, (DE)

1. A lamp holder of a lighting module, comprising a first housing and a second housing made from different materials, wherein
the second housing comprises a body part and an assembling part in thermal contact with each other, wherein the second housing
is embedded integrally in the first housing and in thermal contact with the first housing, and the assembling part and the
body part are installed together,
wherein the body part and the assembling part are separate components and are nested together such that an outer circumferential
wall of the assembling part contacts an inner circumferential wall of the body part, thereby connecting the body part and
the assembling part in an interference fit.

US Pat. No. 9,865,449

ILLUMINANT AND ILLUMINANT LAMP COMPRISING SAID ILLUMINANT

LEDVANCE GmbH, (DE)

1. A phosphor for low-pressure discharge lamps,
wherein the phosphor is present in the form of phosphor grains coated with a protective layer, wherein the protective layer
consists of a metal borate, a metal phosphate or mixtures thereof;

wherein the metal borate or metal phosphate is a binary metal borate or metal phosphate of the formula MePO4 or MeBO3, wherein Me is selected from Sc, Y, La, Gd, and Lu; or

the metal borate or metal phosphate is a ternary metal borate or metal phosphate of the formula or (Me11-xMe2x)PO4 or (Me11-xMe2x)BO3, wherein Me1 and Me2 are selected independently of one another from Sc, Y, La, Gd, and Lu;

wherein the phosphor comprises rare earth compounds in an amount less than about 0.1% by weight.

US Pat. No. 9,857,032

LED LIGHTING DEVICE AND MANUFACTURING METHOD THEREOF

Ledvance GmbH, (DE)

1. A LED lighting device comprising:
a LED lighting source,
a printed circuit board,
a heat sink,
and
a transparent cover,
the LED lighting source being provided on the printed circuit board, the transparent cover being attached to the heat sink
for protecting the LED lighting source and the printed circuit board; wherein the transparent cover contacts the heat sink;
and

wherein the LED lighting device further comprises a rivet made of plastic, which fixes the printed circuit board to the heat
sink.

US Pat. No. 10,041,658

ILLUMINATING DEVICE

LEDVANCE GmbH, Garching ...

1. An illuminating device comprising:a housing,
an electronic assembly accommodated in the housing, and
at least one adjusting mechanism arranged on at least one side of the electronic assembly, wherein the adjusting mechanism is in operative connection with the electronic assembly and is operated from outside of the housing so that the electronic assembly is tensionedly held in the housing; wherein the electronic assembly does not contact a circumferential wall of the housing;
wherein the adjusting mechanism comprises a connector located in the housing and a thread regulating member partly extending into the housing, a first end of the connector is fixed with an end of the electronic assembly and a second end of the connector is threaded with the thread regulating member;
wherein a stop slot for accommodating the end of the electronic assembly is opened in the first end and wherein the end of the electronic assembly is held in the stop slot.

US Pat. No. 10,004,134

REFLECTOR LAMP

LEDVANCE GMBH, Garching ...

1. A reflector lamp having a longitudinal axis, and comprising:a reflector which has a contour and a neck, with a pin base resting at an end of said neck,
a light source arranged in the reflector,
wherein the light source is fastened in the reflector with the aid of a holder consisting of two mounting clips, which simultaneously adjust the light source, wherein each mounting clip comprises three sections, namely a first section which holds the light source, a second section which serves for the adjustment in the neck and a third section which is used for a base connection and which forms a contact pin of the reflector lamp; and wherein the first section has one or two pincer-like arms extending beyond a shoulder of the holder.

US Pat. No. 9,958,117

SEMICONDUCTOR-TUBULAR LAMP, TUBE THEREFOR, AND PRODUCTION METHOD

LEDVANCE GmbH, (DE)

1. A tube for a semiconductor tubular lamp which comprises at least one holding projection for holding at least one printed circuit board on an inside of the tube, whereinthe tube is a glass tube, and
the at least one holding projection is an inwardly bulging reshaped burling region of the tube,
wherein the tube comprises at least two groups of burling regions and the groups are arranged at respectively longitudinally spaced sections of the tube.

US Pat. No. 9,816,671

LIGHTING DEVICE WITH BROAD LIGHT DISTRIBUTION

Ledvance GmbH, (DE)

1. A lighting device, comprising:
a board having a front surface and a back surface, and
a board attachment base provided with an attachment surface smaller than an area of the back surface, an opposing surface
larger than an area of the attachment surface and which opposes the attachment surface, and a lateral surface which extends
out from a periphery of the attachment surface towards a periphery of the opposing surface, wherein the lateral surface has
a tapered shape,

wherein the attachment surface of the board attachment base is arranged parallel to the back surface of the board, the board
having a light source mounted in a section of the back surface region which is not abutted by the attachment surface,

wherein the attachment surface, the opposing surface and the board are circular in shape and the attachment surface is attached
across an entire diameter of the circular shape, a radius of the board having a length of between ½ and ¾ of the radius of
the opposing surface, the attachment surface having an area between ¼ and 9/16 of an area of the back surface of the board, the area of the attachment surface defining a proportion of heat dissipation
to light emitting surface on the board.

US Pat. No. 10,349,477

LED DOUBLE-CAPPED LAMP, FOR OPERATION ON AN ELECTRONIC BALLAST FOR A LOW-PRESSURE DISCHARGE LAMP, ESPECIALLY A FLUORESCENT LAMP, AND METHOD FOR OPERATING SUCH A LAMP

LEDVANCE GMBH, Garching ...

1. A double-end LED lamp for operation at an electronic ballast unit for a low-pressure discharge lamp, particularly a fluorescent lamp, the double-end LED lamp comprising:a first lamp socket with at least one first lamp terminal;
a second lamp socket with at least one second lamp terminal;
an LED driver unit electrically coupled between the first lamp terminal and the second lamp terminal and configured for drive control of a plurality of LEDs from a lamp voltage, which can be provided between the first lamp terminal and the second lamp terminal by the electronic ballast unit, in a first operating state, the LED driver unit comprising:
a switching element configured for electrical isolation of the first lamp terminal from the LED driver unit in a second operating state; and
a drive control device configured for changing at least from the second operating state to the first operating state in dependence on the lamp voltage; and
a supply device configured to provide a supply voltage for the switching element from the lamp voltage independent of the LED driver unit, wherein the supply device comprises a coupling device which enables electrical isolation between the first lamp terminal and the second lamp terminal, wherein the coupling device comprises at least one first coupling capacitor which is coupled with the first lamp terminal, wherein the first coupling capacitor is formed by a series circuit of a first series capacitor and a second series capacitor.

US Pat. No. 10,024,528

ILLUMINATING DEVICE HAVING A MOUNTING STRUCTURE

LEDVANCE GmbH, Garching ...

1. An illuminating device comprising:a light engine;
a housing;
a driver contained in the housing;
a heat dissipation device disposed in the housing, wherein the heat dissipation device comprises:
a substrate for supporting the light engine; and
an insert ring in thermal-conductive contact with the substrate;
a holder having a central aperture configured to receive the light engine, wherein the holder and the housing together hold the heat dissipation device between the holder and the housing;
wherein a plurality of mounting poles are disposed in the housing and distributed in a circumferential direction of the housing and extend along an axial direction of the housing;
wherein the holder comprises a plurality of first mounting holes;
wherein the substrate comprises a plurality of second mounting holes disposed in a circumferential direction of the substrate;
wherein the plurality of mounting poles comprises a plurality of third mounting holes; and
wherein, in an assembled state, the mounting poles pass sequentially through the insert ring and the second mounting holes of the substrate such that at least one fastening structure passes through the first mounting holes and the second mounting holes to mount the holder to the housing.

US Pat. No. 9,829,186

SEMICONDUCTOR LAMP WITH REARWARD BASE REGION

Ledvance GmbH, (DE)

1. A semiconductor lamp comprising:
a housing, and
at least one semiconductor light source that is arranged on the housing, wherein
the housing comprises a rearward base region that is embodied from an electrically non-conductive material for the purpose
of engaging in a bulb socket, wherein

at least one electrical contact element is arranged on the base region for the purpose of contacting the bulb socket and wherein
the base region is designed for selectively mounting electrical contact elements of different base types on said base region.

US Pat. No. 10,001,262

LED RETROFIT LAMP AND PROCESS FOR MANUFACTURING THE SAME

LEDVANCE GMBH, Garching ...

1. An LED retrofit lamp, comprising:a lamp tube,
an LED light engine disposed in the lamp tube, and
end caps arranged at two open ends of the lamp tube, the LED light engine comprising a circuit board and at least one light source disposed on the circuit board,
wherein the LED retrofit lamp further comprises:
one pair of retaining structures fixed at two opposite ends of the circuit board, respectively; and
at least one pair of elastic tension structures connected to the retaining structures, and the elastic tension structure goes through the respective end cap from one side of the end cap and is locked at the other side of the end cap,
wherein the at least one pair of elastic tension structures is made of a rubber or a silicone.

US Pat. No. 10,194,504

LIGHTING SYSTEM

1. A lighting system comprisingat least one light-emitting diode,
a monitoring output, at which a fault signal is present in the case of a defect in the light-emitting diode during operation of the lighting system,
a switch for switching a connection between a current source and the light-emitting diode, and
a comparator which is coupled with the monitoring output and the switch, wherein
the current source is disconnected from the light-emitting diode in an activated state of the switch, and
the comparator is configured to switch the switch into the activated state when the fault signal is present at the monitoring output.

US Pat. No. 9,879,831

SEMICONDUCTOR LAMP WITH TUBULAR CONTACT PINS

LEDVANCE GmbH, (DE)

1. A semiconductor lamp, comprising
a housing in which a driver is accommodated, and
at least one contact pin protruding from the housing outwards, wherein
the contact pin is a tubular contact pin riveted to the housing,
the driver is connected to the contact pin via an electrically conductive connection element which is inserted into a cavity
of the contact pin,

the housing has a respective feedthrough provided for each contact pin and the feedthrough is widened at an inside portion,
and

a space between the widened portion of the feedthrough and the contact pin is at least partially filled with a reshaped material
of the contact pin.

US Pat. No. 10,317,016

SEMICONDUCTOR RETROFIT LAMP WITH IMPROVED EMI CHARACTERISTICS

1. A lighting device comprising a housing, a light engine located in the housing with a printed circuit board (PCB) and one or more light emitting diodes (LEDs) arranged on the PCB, and an electronic driver for controlling the LEDs, wherein the electronic driver comprises a first driver part located at a first position in the housing and a second driver part located at a second position in the housing, the first driver part and the second driver part being electrically connected to each other via a pair of electrically conductive traces on the PCB, characterized in that the lighting device further comprises one or more capacitive devices arranged along the pair of electrically conductive traces connecting the first driver part and the second driver part, wherein each capacitive device is connected with a first terminal to a first trace of the pair of electrical traces and with a second terminal to a second trace of the pair of electrical traces such that each capacitive device is configured to reduce electromagnetic interference (EMI) generated by the lighting device during operation.

US Pat. No. 10,212,769

DRIVER CIRCUIT FOR AN LED LIGHTING TUBE, LED LIGHTING TUBE AND METHOD FOR PROVIDING A CONTROLLED DC OUTPUT POWER

LEDVANCE GMBH, Garching ...

1. A driver circuit for an LED lighting tube, the driver circuit comprising:a set of external connecting pins for receiving an AC input power;
a set of internal connecting pins for connecting the driver circuit to electric poles of at least one LED light engine;
a transformer circuit, wherein the set of external connecting pins is arranged on a primary side of the transformer circuit and wherein the set of internal connecting pins is arranged on a secondary side of the transformer circuit; and
a controller circuit for controlling transmission of electrical energy from the primary side to the secondary side of the transformer circuit for providing a controlled DC output power at the set of internal connecting pins;
wherein the controller circuit is configured and arranged to control said transmission in an open loop control when the at least one LED light engine comprises a plurality of light engines; and
wherein the controller circuit is further configured and arranged to control said transmission in a closed loop control when the at least one LED light engine comprises only one light engine.

US Pat. No. 10,197,223

SEMICONDUCTOR LAMP

LEDVANCE GMBH, Garching ...

1. A semiconductor lamp, comprising:at least one semiconductor light source arranged on a front side of a substrate;
a driver circuit for controlling the at least one semiconductor light source, wherein at least part of the driver circuit is attached to a back side of the substrate facing away from the at least one semiconductor light source;
a cooling body lying superficially on the front side of the substrate, wherein the cooling body has at least one recess for the at least one semiconductor light source, and wherein the cooling body is a dish-like cooling body with a plate-like base and a side edge protruding therefrom at an angle; and
at least one optical element disposed over the cooling body and having legs protruding to a rear, wherein each leg extends through a respective recess in the plate-like base of the cooling body as far as the substrate such that material of the cooling body physically intervenes between the legs and the at least one semiconductor light source.

US Pat. No. 10,125,960

ASSEMBLY OF A SEMI-CONDUCTOR LAMP FROM SEPARATELY PRODUCED COMPONENTS

1. A semiconductor lamp having at least one semiconductor light source, comprising multiple separately produced components, wherein the components at least comprise:an open driver housing;
a cover for the driver housing;
a first heat sink placed on the cover;
a substrate equipped with the at least one semiconductor light source;
a light-transmissive cover for the substrate;
a second heat sink, which at least laterally covers the driver housing; and
at least one terminal contact arranged on a rear of the driver housing;
wherein at least two of the components are connected to one another by means of joint extrusion coating.

US Pat. No. 10,215,343

LED LIGHTING DEVICE HAVING AN IMPROVED LED HOLDER

LEDVANCE GMBH, Garching ...

1. A lighting device comprising a translucent bulb, a base having at least two electrical contacts, and a light engine arranged inside the bulb, the light engine comprising one or more LED filaments attached to a holder, the holder having a first holding structure that is electrically conductive and a second holding structure that is electrically conductive, wherein each LED filament is connected with a first end to the first holding structure and with a second end to the second holding structure, wherein the first holding structure is connected to a first electrical contact of the base and the second holding structure is connected to a second electrical contact of the base, characterized in that the first holding structure and the second holding structure each comprise an essentially longitudinal connection section and an attachment section essentially perpendicular to the connection section, wherein for at least one of the first holding structure and the second holding structure, the connection section is connected to the respective attachment section by a radial section.

US Pat. No. 10,285,230

METHOD FOR LINE VOLTAGE LAMP TO WORK WITH MULTI SWITCH

LEDVANCE GMBH, Garching ...

1. A driver for an LED lamp, comprisingan LED driver for driving an LED;
a voltage input port which is adapted to connect the driver to a multi switch as a power source;
a voltage output port adapted for connecting the LED to the LED driver; and
a bleeder circuit for suppressing leakage current provided by the multi switch, wherein the bleeder circuit is connected in series between the voltage input port and the LED driver.

US Pat. No. 10,208,944

SEMICONDUCTOR LAMP HAVING A HEAT SINK

1. A semiconductor lamp having a heat sink which comprises a first part and a second part which are connected together by means of a press fit and which together delimit a receiving space for a driver, wherein the first part has an insert region for insertion into the second part, which insert region consists of spring elements which can be pushed inwards.

US Pat. No. 10,190,727

LIGHTING DEVICE

LEDVANCE GMBH, Garching ...

1. A lighting device comprising:a lamp tube having two open ends;
a light engine arranged in the lamp tube;
a carrier arranged in the lamp tube and supporting the light engine;
two end caps respectively closing the two open ends of the lamp tube; and
a diffuser arranged in the lamp tube, wherein:
the carrier supporting the light engine is held on the diffuser; and
the diffuser is held on an inner wall of the lamp tube such that the diffuser exerts a force on the inner wall which prevents the diffuser and the carrier from moving relative thereto.

US Pat. No. 10,190,728

LAMP WITH OPTOELECTRONIC LIGHT SOURCE AND IMPROVED ISOTROPY OF THE RADIATION

1. A lamp comprising:an optoelectronic light source which has an anisotropic light radiation with a main radiation direction, wherein the radiated light intensity decreases with increasing aperture angle to the main radiation direction;
a reflector cap for reflection of light of the light source radiated in the solid angle, so that the angle of the propagation direction of the reflected light to the main radiation direction increases, said reflector cap more strongly reflects than transmits incident light of the light source;
an opening in the reflector cap; and
a diffuser for scattering light passing through the opening;
wherein the reflector cap is present in a larger aperture angle region relative to the main radiation direction and the light source than the opening, so that light reflected by the reflector cap is reflected out of a radiation direction with relatively more intense light radiation into a direction in which the light source radiates light relatively more weakly, and a shadow effect of the reflector cap in the radiation direction with the more intense light radiation is lessened as a result of the opening and the diffuse scattering of the light passing through the opening;
wherein the lamp comprises a bulb surrounding the light source in a solid angle;
wherein the diffuser is configured as a region of the bulb; and
wherein the reflector cap is arranged outside a wall of the bulb.

US Pat. No. 10,327,291

LAMP DRIVER FOR AN LED LAMP AND LED LAMP FOR PLACEMENT INTO A FLUORESCENT LAMP FIXTURE

LEDVANCE GMBH, Garching ...

1. A lamp driver for an LED lamp, the lamp driver comprising:a voltage input port for connecting the lamp driver to a power source;
a relay that is switchable between an energized state and a de-energized state according to a pick-up voltage corresponding to a minimum voltage at which the relay switches into the energized state when a voltage at an input of the relay is increased; and
a relay controller circuit that connects the relay to the voltage input port and that is switchable between a conducting state and a non-conducting state according to a designated threshold voltage of the relay controller circuit;
wherein the pick-up voltage is smaller than the threshold voltage.

US Pat. No. 10,288,231

NON-ETCHED WIRING BOARD FOR LED APPLICATIONS

LEDVANCE GMBH, Garching ...

1. A light engine for a tube lamp, comprisinga substrate defining a longitudinal direction, having at least three conductive traces extending in the longitudinal direction,
wherein at least two of the conductive traces are divided into a plurality of trace sections;
a plurality of semiconductor light emitting elements, each of the light emitting element having two electric terminals,
wherein each of the light emitting elements is arranged perpendicular to the longitudinal direction (L) and is electrically connected with a first electric terminal to one of the conductive traces and with a second electric terminal to another one of the conductive traces.

US Pat. No. 10,269,551

HIGH-PRESSURE DISCHARGE LAMP HAVING AN IGNITION AID

LEDVANCE GMBH, Garching ...

1. A high-pressure discharge lamp having an ignition aid, comprising a discharge vessel which is fitted in an outer bulb, wherein a UV enhancer is fitted as the ignition aid in the outer bulb, wherein the UV enhancer comprises a UV-transparent can-like container having a side wall, a bottom part, an end side opposite the bottom part and a longitudinal axis, the container enclosing with its side wall a cavity which is filled with a gas that can emit UV radiation, wherein an inner foil-like electrode inserted into the cavity through the bottom part has an end-side edge, wherein the end-side edge of the foil-like electrode abuts the end side of the container, wherein the foil-like electrode is straight without any bends, and wherein an external electrode is applied externally in the vicinity of the container.

US Pat. No. 10,326,356

BOOST POWER FACTOR CORRECTION CIRCUIT, DRIVING CIRCUIT FOR LIGHT-EMITTING DIODE AND LIGHTING DEVICE

LEDVANCE GMBH, Garching ...

1. A boost power factor correction (PFC) circuit comprising:a PFC controller;
a PFC switch, which is controlled by an output of the PFC controller; and
an equivalent variable resistor connected between the PFC switch and ground, wherein a terminal for inputting a feedback current of the PFC controller is connected to a node between the PFC switch and the equivalent variable resistor;
wherein a resistance of the equivalent variable resistor is controlled by an output voltage of the PFC circuit; and
wherein in the case that the PFC circuit is powered by mains alternating current (AC) or via a conventional ballast (CCG), the resistance keeps at a constant minimum value, whereas in the case that the PFC circuit is powered via an electronic ballast (ECG), the resistance increases as the output voltage of the PFC circuit decreases.

US Pat. No. 10,290,791

LIGHTING DEVICE

LEDVANCE GMBH, Garching ...

1. A lighting device having a longitudinal extension, the lighting device comprising:a rear,
a heat sink, through which air flows at least transversely to the longitudinal extension, and
a plurality of semiconductor light sources arranged on the heat sink,
wherein at least two of the semiconductor light sources are aligned in different directions, further comprising a light-transmissive cover for covering the semiconductor light sources and a cooling structure of the heat sink, the cooling structure of the heat sink having outer cooling struts and inner cooling struts, wherein the outer cooling struts are arranged further to the outside in a radial direction than the inner cooling struts, wherein the outer cooling struts and the inner cooling struts protrude into a longitudinal section in which the cover is also located and extend to the rear, wherein air gaps are present between the outer cooling struts and air gaps are present between the inner cooling struts,
wherein parts of the cooling struts of the heat sink and semiconductor light sources are arranged alternately in a circumferential direction,
wherein the heat sink has a front support region for arranging at least one of the semiconductor light sources, wherein the heat sink further comprises a plurality of lateral support regions for respectively at least one of the semiconductor light sources, wherein the front support region and the lateral support regions are aligned differently and wherein the lateral support regions are arranged between respective outer cooling struts,
wherein the lateral support regions and the outer cooling struts are connected to form a closed circumferential edge and wherein the outer cooling struts originating from the closed circumferential edge are inclined inward, and
where the front support region includes a plurality of air passage holes.

US Pat. No. 10,267,500

END CAP OF LAMP TUBE AND ILLUMINATING DEVICE USING SAID END CAP

1. An end cap for a lamp tube of an illuminating device, the end cap comprising:a mounting ring configured to be fixedly mounted to one end of the lamp tube by means of an assembled end;
a cover plate for closing the mounting ring at a free end; and
a rotating ring mounted between the mounting ring and the cover plate at the free end;
wherein the cover plate rotatably closes the mounting ring by means of the rotating ring; and
wherein a support beam extending in a diameter of the free end is formed in the free end of the mounting ring, and a via is formed in a center of the support beam.

US Pat. No. 10,334,684

COMMISSIONING, DECOMMISSIONING AND TESTING OF A SMART SENSOR-DRIVEN LED LIGHTING SYSTEM WITHOUT GATEWAY

LEDVANCE GMBH, Garching ...

1. A lighting system comprising:at least one light source;
a sensor, wherein the sensor:
is adapted for creating and/or expanding a wireless network between the sensor and the at least one light source;
is adapted to operate in at least one of the following operating modes including a sensing mode, a pairing mode, a testing mode, and a network destruction mode; and
comprises a commissioning button for switching between operating modes, in particular between the sensing mode and the pairing mode and/or between the sensing mode and the testing mode and/or between the sensing mode and the network destruction mode; and
a wireless control module for establishing the creation and/or expansion of the wireless network.

US Pat. No. 10,323,801

SEMICONDUCTOR TUBULAR LAMP, TUBE THEREFOR, AND PRODUCTION METHOD

1. A glass tube for a tubular semiconductor lamp, the glass tube comprising:a first burling region formed along a first length of the glass tube and projecting inward into an interior space of the glass tube; and
a second burling region formed along a second length of the glass tube, opposite the first burling region, and projecting inward into the interior space of the glass tube;
wherein:
the first burling region and the second burling region are configured to position a substrate of a light engine of the tubular semiconductor lamp at least transversely to a longitudinal axis of the glass tube;
the first burling region and the second burling region are configured to hold the substrate at a first surface thereof at a first longitudinal edge and a second longitudinal edge, respectively, of the substrate; and
a curved sidewall portion of the glass tube located between the first burling region and the second burling region, along a circumference of the glass tube, is configured to hold the substrate at a second surface thereof at both a third longitudinal edge and a fourth longitudinal edge of the substrate, the second surface of the substrate located opposite the first surface of the substrate.

US Pat. No. 10,405,385

ELIMINATING FLICKER AT LIGHT LOAD FOR DRIVER COMPATIBLE WITH NAFTA DIM ECG

LEDVANCE GMBH, Garching ...

1. An electronic driver for transforming an input voltage provided by an electrical ballast into an operating voltage for an LED lighting module, the electronic driver comprising:an input for connecting the electrical ballast to the electronic driver;
an output for connecting the LED lighting module to the electronic driver; and
a bypass circuit, wherein the bypass circuit is:
connected in parallel to the output when a low input voltage is provided at the input, wherein the low input voltage corresponds to a voltage during at least one of a preheating stage and a dimming stage of the electrical ballast, and
disconnected from the output when a high input voltage is provided at the input, wherein the high input voltage corresponds to a regular operation voltage of the LED lighting module;
wherein the electronic driver exhibits a hysteresis in operation, wherein the hysteresis is provided by the bypass circuit.

US Pat. No. 10,317,061

ASSEMBLY OF A SEMI-CONDUCTOR LAMP FROM SEPARATELY PRODUCED COMPONENTS

1. A semiconductor lamp comprising:a housing;
a housing cover configured to cover an open end of the housing;
a semiconductor light source comprising:
a substrate; and
at least one light-emitting diode (LED) populated on the substrate; and
a driver disposed within the housing and configured to drive the semiconductor light source;
wherein at least the housing and the housing cover are physically connected to one another via a joint extrusion coating material.

US Pat. No. 10,253,929

LAMP COMPRISING A DRIVER CIRCUIT BOARD AND A BASE

LEDVANCE GMBH, Garching ...

1. A lamp having a driver circuit board and an electrically conductive base that are connected together electrically by a plug-in connection, wherein a male part of the plug-in connection is formed by at least one plug-in protrusion that protrudes from an edge of the driver circuit board.

US Pat. No. 10,197,239

ILLUMINATION APPARATUS

LEDVANCE GMBH, Garching ...

1. An illumination apparatus comprising a light engine and a first lampshade for accommodating the light engine, wherein the first lampshade has a first expansion coefficient, and is configured such that the light engine is not carried by the first lampshade, characterized in that the illumination apparatus further comprises a second lampshade for accommodating the first lampshade, wherein the second lampshade has a second expansion coefficient smaller than the first expansion coefficient, and is configured such that changes in size or shape of the first lampshade can be restrained under a high temperature, and further characterized in that the illumination apparatus further comprises a heat sink which is accommodated in the second lampshade, wherein the first lampshade is inserted and connected to the heat sink.

US Pat. No. 10,371,359

RETAINING STRUCTURE FOR A LIGHT ENGINE

LEDVANCE GMBH, Garching ...

1. A retaining structure for a light engine of a solid-state lamp, the retaining structure comprising:an intermediate portion;
a first portion extending from the intermediate portion and configured to engage a circuit board of the light engine; and
a second portion extending from the intermediate portion and configured to engage an elastic tension structure;
wherein the retaining structure is configured to be at least partially inserted within a lamp tube of the solid-state lamp such that, with engagement of the second portion and the elastic tension structure, the elastic tension structure applies tension that biases the light engine toward an end of the lamp tube.

US Pat. No. 10,371,323

TWISTABLE BASE FOR A LAMP TUBE

1. A base for a lamp tube, the base comprising:a fixing part for stationary fixing to an end face of the lamp tube; and
a connecting part with at least one electric contact element for electrically contacting a lamp socket, which connecting part is twistable relative to the fixing part;
wherein:
the fixing part and the connecting part are electrically connected together by means of at least one sliding contact;
the at least one contact element of the connecting part is configured in the form of at least one contact pin;
the at least one contact pin is connected to at least one sliding counter-contact attached to the connecting part, which at least one sliding counter-contact extends in a peripheral extension further around a rotary axis than the at least one contact pin, and which at least one sliding counter-contact is in sliding contact with at least one sliding contact of the fixing part; and
the at least one sliding counter-contact has a basic form of a ring sector which is oriented around the rotary axis.

US Pat. No. 10,506,676

LED DRIVER AND DRIVING METHOD THEREOF

LEDVANCE GMBH, Garching ...

1. An LED driver, comprisingat least two sub-LED drivers connected in series between two terminals of an AC power source, wherein the at least two sub-LED drivers have a same configuration, each sub-LED driver comprising:
a switch circuit, having a first reference ground interface connected to a first reference ground,
an inductor, having a first terminal connected to the first reference ground; and
a first capacitor, having a first terminal connected to a second terminal of the inductor and a second terminal connected to a second reference ground, and a load comprising at least one LED to be driven connected between the first terminal and the second terminal of the first capacitor;
wherein an inductance value of the inductor in each sub-LED driver causes the sub-LED driver to operate in an open loop mode.

US Pat. No. 10,470,268

LIGHT EMITTING DIODE DRIVING CIRCUIT AND LIGHT EMITTING DIODE LIGHTING DEVICE

1. A light emitting diode (LED) driving circuit comprising:a detecting circuit that detects whether an input of the driving circuit is a low frequency current or a high frequency current;
a first stage converter that converts the input of the driving circuit in providing a DC power for a light-emitting diode (LED) load coupled with the LED driving circuit;
a first feedback loop that converts a current from the LED load to a feedback voltage and feeds that feedback voltage back to the first stage converter when the detecting circuit detects that the input of the driving circuit is the low frequency current, wherein in the first feedback loop:
when the current of the LED load is larger than a target value, the feedback voltage decreases; and
when the current of the LED load is smaller than the target value, the feedback voltage increases; and
a second feedback loop that converts the current from the LED load to the feedback voltage and feeds that feedback voltage back to the first stage converter when the detecting circuit detects that the input of the driving circuit is the high frequency current, wherein in the second feedback loop:
when the current of the LED load is larger than the target value, the feedback voltage increases; and
when the current of the LED load is smaller than the target value, the feedback voltage decreases.

US Pat. No. 10,422,513

LIGHTING DEVICE INCLUDING INTERCONNECTED PARTS

LEDVANCE GMBH, Garching ...

1. A semiconductor lighting device comprising:at least one first part having:
at least one undercut; and
a periphery formed as a bead; and
at least one second part having at least one projection that is generally annular in shape, running circumferentially along an interior of the at least one second part with respect to a longitudinal axis of the at least one first part;
wherein the at least one first part and the at least one second part are arranged such that a cavity is formed between the at least one first part and the at least one second part, wherein the cavity is at least partially filled with a potting compound such that:
the at least one projection, the bead, and the at least one first part are at least partially embedded into the potting compound; and
the at least one undercut is filled with the potting compound;
wherein the at least one first part and the at least one second part are positively interconnected by the potting compound in an interlocking manner and only by the potting compound, wherein the positive interconnection is maintained even if the potting compound has no or no longer a bonding effect or an adhesive effect; and
wherein the potting compound does not occlude, in part or in whole, an opening of an end portion of the at least one first part.

US Pat. No. 10,400,985

LIGHTING DEVICE

1. A lighting device comprising:an optical unit having at least one optical element, wherein the optical unit includes a light-guiding body having:
a light entry surface on a lower side thereof;
a light exit surface on an upper side thereof; and
at least one fastening region formed integrally with the optical unit as a plurality of spring elements formed as tabs protruding laterally and obliquely backward from a circumferential outer edge of the optical unit with respect to the upper side of the light-guiding body towards the lower side of the light-guiding body, wherein the optical unit is fastened to the lighting device by means of the at least one fastening region; and
a cover configured to cover at least partially a front end of the lighting device so as to contact the plurality of spring elements formed as tabs in a manner that presses the optical unit onto a support surface within the lighting device while allowing the optical unit to be self-adjusting with respect to positioning relative to the support surface;
wherein the optical unit is fastened to the lighting device with a force fit in at least one direction and can be moved through the at least one fastening region in the direction of the force-fit fastening; and
wherein the plurality of spring elements formed as tabs is arranged such that the optical unit is self-centering with respect to at least one semiconductor light source of the lighting device.

US Pat. No. 10,386,056

ILLUMINANT WITH LEDS

1. An illuminant comprising:a first LED and a second LED for emitting light;
a planar support plate on which the LEDs are mounted such that the first LED is mounted on a first side of the support plate and the second LED is mounted on a second side of the support plate opposite thereto in relation to a thickness direction of the support plate;
a reflection surface shaped as a concave mirror, in which concave mirror the LEDs mounted on the support plate are arranged so that in operation at least a portion of the light emitted therefrom is reflected by the reflection surface and thereby bundled with a main propagation direction;
a base connection to which the LEDs are connected in an electrically operable manner for electrically contacting the illuminant from outside; and
a cooling element disposed between and in direct thermal contact with the support plate and the housing part, in which the cooling element contacts the first side but not the second side of the support plate with a first spring and contacts the second side but not the first side of the support plate with a second spring, and in which the support plate is held between the first and second springs in a friction-locked manner;
wherein a direction of one surface of the support plate is aligned along the main propagation direction; and
wherein a housing part of the illuminant made of a transparent housing material is provided, which housing part at the same time forms an external surface of the illuminant, the external surface flanking the main propagation direction and supporting a reflecting layer which forms the reflection surface at an internal surface opposite to the external surface.

US Pat. No. 10,465,878

LED-BASED CLEAN ROOM LIGHTING

LEDVANCE GMBH, Garching ...

1. A lighting device for room lighting in photolithography applications, the lighting device comprising:an at least partially transparent housing;
a light engine arranged inside said housing, wherein the light engine comprises:
at least one first light source configured to emit light substantially only in a wavelength range above approximately 500 nm; and
at least one second light source configured to emit light in a different wavelength range from the first light source;
at least one driver internal to the lighting device and configured to control the at least one first light source and the at least one second light source such that:
in a first switching state of the light engine, the at least one first light source is turned on and the at least one second light source is turned off;
in a second switching state of the light engine, either:
the at least one first light source is turned off and the at least one second light source is turned on; or
the at least one first light source is turned on and the at least one second light source is turned on but either the at least one first light source or the at least one second light source is dimmed; and
in a third switching state of the light engine, the at least one first light source is turned off and the at least one second light source is turned off; and
a control unit internal to the lighting device and communicatively coupled with the at least one driver and configured to instruct the at least one driver in operating in any of the first switching state, the second switching state, and the third switching state.

US Pat. No. 10,422,485

LUMINOUS MEANS HAVING LEDS ARRANGED ON FOLD-OUT SURFACES

LEDVANCE GMBH, Garching ...

1. A luminous means comprising:a plurality of LEDs for emitting light;
a substrate;
a conductive track structure on the substrate, on which substrate the LEDs are mounted and thereby electrically conductively connected with the conductive track structure;
an outer bulb which is transmissive for the light emitted by the LEDs, in which the substrate having the LEDs is arranged; and
an electrically conductive lamp base with which the LEDs are electrically operably connected via the conductive track structure, wherein the electrically conductive lamp base is configured to be received by a power socket external to the luminous means;
wherein at least two part surfaces of the substrate are each folded out relative to a remainder of the substrate about a respective bridge region via which the respective part surface is connected to the remainder of the substrate, folded-out and thus inclined relative to the remainder of the substrate, which is flat;
wherein, for each side surface of the remainder of the substrate, which side surfaces are mutually opposite in relation to a thickness direction of the remainder of the substrate, in each case at least one part surface is folded out; and
wherein at least one of the LEDs is arranged on each of the part surfaces.

US Pat. No. 10,408,387

LUMINOUS MEANS HAVING LEDS

LEDVANCE GMBH, Garching ...

1. A luminous means having:a first LED and a second LED for emitting light;
a flat circuit board on which the LEDs are mounted and thereby electrically conductively connected with a conductive track structure of the circuit board;
an outer bulb which is transmissive for the light emitted by the LEDs and in which the circuit board having the LEDs is arranged; and
a base with which the LEDs are electrically operably connected via the conductive track structure;
wherein the first LED is mounted on a first side of the circuit board and the second LED is mounted on a second side of the circuit board that is opposite the first side in relation to a thickness direction, wherein all the LEDs mounted on the circuit board are arranged on one of the two circuit board sides; and
wherein, in order to homogenize the light distribution generated by the luminous means, a first diverging lens is mounted on the first side of the circuit board in association with the first LED and a second diverging lens is mounted on the second side of the circuit board in association with the second LED, and the light emitted by the respective LED has a widened light intensity distribution downstream of the respective diverging lens in comparison with upstream of the respective diverging lens, wherein the two diverging lenses are connected together by a pin which passes through a through-hole in the circuit board and engages in at least one of the two diverging lenses.

US Pat. No. 10,451,261

SAFETY SWITCH END CAP FOR ILLUMINATING DEVICE AND ILLUMINATED DEVICE COMPRISING THE SAME

1. An end cap for an illuminating device, the end cap comprising:a housing; and
a drive structure partially arranged within the housing, wherein the drive structure is configured to drive an electric switch arranged within the housing, characterized in that the drive structure comprises:
a first drive part exposed from a first surface of the housing, characterized in that the first drive part comprises first stop parts and second stop parts; and
a second drive part exposed from a second surface of the housing, characterized in that the second drive part comprises a trigger and an actuator connected to the trigger;
wherein when the first drive part is located in a first position, the first drive part locks the second drive part such that the second drive part cannot move relative to the first drive part, and when the first drive part is moved to a second position in a first direction, the first drive part unlocks the second drive part such that the second drive part can switch-on the electric switch upon the second drive part being moved in a second direction;
wherein in the first position, the trigger can be separated from the actuator by the first drive part and locked, and in the second position, the trigger is movable relative to the first drive part so as to drive the actuator, such that the electric switch is switched on by means of the movement of the actuator;
wherein in the first position, the first stop parts separate free ends of the trigger from corresponding free ends of the actuator, and in the second position, the free ends of the trigger are movable over the first stop parts to come into contact with the corresponding free ends of the actuator; and
wherein after the actuator is moved by the trigger, the actuator can be held by the second stop parts and switch-on the electric switch; and
further characterized in that along with the first drive part moving from the second position to the first position, the actuator moves from abutting against the second stop parts to abutting against the first stop parts.

US Pat. No. 10,502,371

LED-LAMP

LEDVANCE GMBH, Garching ...

1. A lamp comprising:a substantially transparent housing tube;
a first end cap at a first end of the housing tube;
a second end cap at a second end of the housing tube, wherein the end caps include contacts for electrically contacting a power supply; and
a light emitting diode (LED)-filament arranged in the housing tube between the first end cap and the second end cap;
wherein at least one driver for the LED-filament is provided, wherein a first driver is arranged at the first end cap and a second driver is arranged at the second end cap.

US Pat. No. 10,473,319

LIGHTING DEVICE, LED MODULE FOR A LIGHTING DEVICE, AND METHOD FOR ASSEMBLING A LIGHTING DEVICE

LEDVANCE GMBH, Garching ...

1. A lighting device comprising:at least one light-emitting diode (LED module, which is connected to a retainer; and
a driver that is electrically connected to the LED module;
wherein the driver is at least partially cast by a potting material; and
wherein the driver is connected to the retainer via an adaptor board that is positioned in between the driver and the retainer.

US Pat. No. 10,502,370

SEMICONDUCTOR LAMP

LEDVANCE GMBH, Garching ...

1. A semiconductor lamp comprising:a straight, translucent tube whose open end faces are configured to be closed by means of respective end caps, which end caps are configured to be plug-connected to the tube; and
a circuit board which is equipped with at least one semiconductor light source which is configured to be accommodated in the tube and is configured to be contacted by at least one of the end caps;
wherein:
both end caps are configured to be mechanically connected to one another by means of a connecting element extending in the tube, wherein the connecting element is a strip-shaped, metallic connecting element, wherein the connecting element comprises at least one fold-over region for snap-fitting to a respective end cap, said fold-over region comprising a snap-in cut-out;
at least one of the end caps is arranged such that it is configured to be displaced longitudinally with play with respect to the tube;
thermal expansion of the connecting element in a longitudinal direction of the tube is smaller than thermal expansion of the tube; and
the connecting element is configured to be snap-fitted to at least one of the end caps.

US Pat. No. 10,480,722

RETROFIT LAMP

1. A retrofit lamp comprising:a heat sink;
a light source module comprising a circuit board, wherein:
a rear side of the light source module lies two-dimensionally on the heat sink; and
at a front side of the light source module, at least one semiconductor light source is arranged; and
a ring partially covering the front side of the light source module, wherein the ring comprises a plurality of elastically flexible pressing tabs arranged at a periphery of the ring and configured to rest on the front side of the light source module and press the light source module onto the heat sink, wherein at least one of the elastically flexible pressing tabs, at a side thereof facing the light source module, comprises at least one projection resting on the front side of the light source module, and wherein the at least one projection extends generally perpendicularly from the at least one of the elastically flexible pressing tabs associated therewith.

US Pat. No. 10,473,272

LED FILAMENT LIGHT SOURCE AND LAMP

1. A light engine comprising:at least one light-emitting diode (LED) filament; and
a holder comprising:
a first electrically conductive holding structure having a first attachment section of generally annular shape that is connected with a first end of the at least one LED filament, wherein the first holding structure is configured to be connected with a first electrical contact to provide power to the at least one LED filament; and
a second electrically conductive holding structure having a second attachment section of generally annular shape that is connected with a second end of the at least one LED filament, wherein the second holding structure is configured to be connected with a second electrical contact to provide power to the at least one LED filament;
wherein the first holding structure and the second holding structure are electrically isolated from each other; and
wherein for at least one of the first electrically conductive holding structure and the second electrically conductive holding structure, the attachment section thereof is connected with a radial section that extends radially inward of the generally annular shape.

US Pat. No. 10,560,997

METHOD FOR MR16 LAMP TO PASS EMI TEST WITH CCG

LEDVANCE GMBH, Garching ...

1. A lamp driver for a light-emitting diode (LED) lamp, the lamp driver comprising:a voltage input port configured to connect the lamp driver to a power source;
a boost converter circuit connected to the voltage input port;
a voltage output port configured to connect an LED to the lamp driver; and
a shutdown circuit connected to the voltage input port for detecting an input voltage of the voltage input port and connected to the boost converter circuit for controlling at least one active component of the boost converter circuit, wherein the shutdown circuit is arranged to shut down the boost converter circuit with a shutdown signal when the input voltage at the voltage input port is detected as exceeding a predetermined set point voltage value;
wherein the lamp driver is configured such that during the shutdown of the boost converter circuit, the voltage output port still provides an operation voltage for the LED.

US Pat. No. 10,495,262

LIGHTING MEANS COMPRISING LEDS

1. A lighting means having:a first and a second LED for emitting light;
a flat circuit board having a conductive track structure, on which circuit board the LEDs are mounted and thereby electrically conductively connected to the conductive track structure;
a reflector which is assembled with the circuit board and is itself free of LEDs;
an outer bulb which is transmissive for the light emitted by the LEDs and in which the circuit board with the LEDs and the reflector are arranged, wherein the outer bulb is made of glass and delimits a sealed volume filled with a filling gas, which filling gas has a higher thermal conductivity than air, and wherein the outer bulb is frosted in a scratch-resistant manner on the inside; and
a base with which the LEDs are electrically operably connected via the conductive track structure;
wherein the first and the second LED are mounted on mutually opposite sides of the circuit board and, for each LED, at least 20% of the emitted light is incident on the reflector and is reflected thereby in order to homogenize the light distribution generated by the lighting means, for which the particular reflected light has a main propagation direction with a directional component that is parallel to a surface direction of the flat circuit board.

US Pat. No. 10,495,266

SEMICONDUCTOR LAMP AND METHOD FOR PRODUCING A SEMICONDUCTOR LAMP

LEDVANCE GMBH, Garching ...

1. A semiconductor lamp, comprising:a light source;
a housing with a cavity at least occupied by the light source;
a driver electrically connected to the light source; and
at least one injection channel in the housing for injection of an encapsulation material into the cavity of the housing.

US Pat. No. 10,480,725

LIGHT FIXTURE AND LENS FOR A LIGHT FIXTURE

1. A light fixture, comprising a housing having a depression in which at least one light-emitting diode is received, which is mounted on a mounting surface and which in operation of the light fixture emits light with an initial emission angle of more than 80°, and a lens arranged downstream of the light-emitting diode, having a central focus area and an outer area radially surrounding the focus area, whereinthe central focus area is configured in such a way that a part of the light propagating through the focus area is focused in such a way that a final emission angle of the light propagated through the focus area is at least 50° and at most 80°, and the outer area of the lens is spaced at least 2 mm from the mounting surface in a vertical direction.

US Pat. No. 10,465,859

TUBULAR ILLUMINATING DEVICE HAVING AN INTEGRATED DRIVE AND LIGHTING UNIT AND METHOD OF ASSEMBLING THE TUBULAR ILLUMINATING DEVICE

LEDVANCE GMBH, Garching ...

1. An illuminating device comprising:a tubular casing;
an electrical connector connected with the tubular casing;
a drive unit at least partially received in the electrical connector, wherein the drive unit comprises electronic parts including a first type of parts and a different second type of parts; and
a light-emitting unit received in the tubular casing, wherein the light-emitting unit comprises a carrier and light-emitting parts, wherein the carrier comprises an electrical contact portion configured to be electrically connected with the electrical connector in providing power to at least one of the drive unit and the light-emitting unit;
wherein the electronic parts of the drive unit and the light-emitting parts of the light-emitting unit are arranged on the carrier.

US Pat. No. 10,465,893

CONNECTOR DEVICE AND ILLUMINATION DEVICE INCLUDING SAME

1. A connector device comprising:a first element configured to be connected with a light engine;
a second element configured to be rotatably connected to the first element;
a third element comprising at least one electrical contact configured to be connected to a power supply; and
a locking element configured to be operatively interfaced with each of the first element, the second element and the third element such that:
in a first state of the connector device, the at least one electrical contact is fixed in a first position and prevented from rotating relative to the first element; and
in a second state of the connector device, the at least one electrical contact is permitted to rotate relative to the first element to transition from the first position to a different second position.

US Pat. No. 10,495,264

ROTATEABLE ENDCAP / BASE FOR TUBE LAMPS

1. A lamp comprising:a base comprising at least two electrical connecting elements and a base sleeve;
a bulb mounted rotatably relative to the base;
a light engine arranged in the bulb comprising at least one light-emitting element and an electrically conductive substrate on which the light-emitting element is arranged; and
an electronic driver arranged in the base sleeve and connected to the electrically conductive substrate for activation of the light-emitting element;
wherein the electrically conductive substrate has a flexible connecting section between the electronic driver and the light-emitting element.

US Pat. No. 10,359,154

ASSEMBLY INCLUDING A DIFFUSER FOR A LIGHTING DEVICE

1. An assembly configured to be at least partially disposed within a lamp tube of a lighting device, the assembly comprising:a diffuser element configured to position a light source of the lighting device within the lamp tube, wherein the diffuser element is configured to exert a force on an inner wall of the lamp tube which prevents the diffuser element from moving relative thereto.

US Pat. No. 10,527,274

LED RETROFIT LAMP AND COOLING ELEMENT FOR A LED RETROFIT LAMP

LEDVANCE GMBH, Garching ...

1. A light fixture comprising:two cooling elements; and
a plurality of semiconductor lighting elements;
wherein each cooling element has a central portion and a wall portion which extends away from the central portion and at least partially surrounds an interior of a cooling element, characterized in that the two cooling elements are arranged opposite one another, in that the two cooling elements are arranged so that an annular opening is present between them, and in that the semiconductor lighting elements are arranged on the outside of the wall portions of the cooling elements.

US Pat. No. 10,571,109

ILLUMINATING DEVICE

1. An illuminating device comprising:a base having a hollow interior region divided by a partition board into a first accommodating cavity and a second accommodating cavity, wherein the partition board has a first air flow communication feature provided as one or more first openings formed in the partition board;
a circuit board having at least one light source populated thereon, wherein the circuit board is arranged in the first accommodating cavity, and wherein the circuit board has a second air flow communication feature provided as one or more second openings formed in the circuit board; and
an optical assembly configured as a lens, wherein the optical assembly is arranged at an opening end of the first accommodating cavity, and wherein the optical assembly has a third air flow communication feature provided as one or more third openings formed in the optical assembly;
wherein the first, second, and third air flow communication features are directly linearly aligned with one another so as to form together at least one air flow communication passageway configured to enable air from a surrounding environment to flow into the first accommodating cavity and the second accommodating cavity.

US Pat. No. 10,598,315

LIGHTING DEVICE AND METHOD OF ASSEMBLING A LIGHTING DEVICE

LEDVANCE GMBH, Garching ...

1. A lighting device, comprising:a first lighting unit;
a first heat-dissipating unit heat-conductively connected to the first lighting unit;
a second lighting unit;
a second heat-dissipating unit heat-conductively connected to the second lighting unit, wherein the second heat-dissipating unit is detachably connected to the first heat dissipating unit; and
a driver electrically connected with the first lighting unit and, separately, with the second lighting unit,
wherein the second heat-dissipating unit further comprises a plurality of side heat dissipators, wherein each of the side heat dissipators is detachably connected to the first heat dissipating unit.

US Pat. No. 10,598,367

LIGHT MODULE

1. A light module configured for insertion into a housing of a semiconductor lamp, the light module comprising:a driver;
a cooling element;
a light generator abutting the cooling element, the light generator comprising at least one semiconductor light source populated on a circuit board and electrically connected with the driver; and
an optical refraction element covering the at least one semiconductor light source, wherein the optical refraction element includes:
a first structure extending through a bottom wall of the cooling element and engaging the cooling element so that the optical refraction element is fastened on the cooling element; and
a second structure that presses the light generator onto the cooling element.

US Pat. No. 10,594,067

REFLECTOR LAMP

1. A mounting clip configured to be operatively coupled with a light source of a reflector lamp so as to provide for adjustment of the light source in the reflector lamp, the mounting clip comprising:a first section configured to hold the light source;
a second section configured to provide the adjustment of the light source; and
a third section configured to serve as a base pin for the reflector lamp in making electrical contact for the reflector lamp;
wherein at least one of the second section and the third section is of tubular configuration.

US Pat. No. 10,584,846

LIGHTING DEVICE WITH LENS AND METHOD FOR PRODUCTION THEREOF

LEDVANCE GMBH, Garching ...

1. A lighting device comprising:a light module comprising:
a circuit board with one or more semiconductor light sources; and
a cooling element having one or more receiving openings; and
a lens having one or more connecting pins received in the one or more receiving openings, wherein a free end of the one or more connecting pins is deformed by thermal forming so that the lens is mechanically connected thereby to the light module;
wherein the cooling element is arranged between the lens and the circuit board; and
wherein the cooling element has a plurality of projections that extends in a direction of the circuit board.

US Pat. No. 10,605,446

ELECTRICAL CONNECTION OF PCBS BY CLAMP SPRING CONNECTOR

LEDVANCE GMBH, Garching ...

1. A light fixture comprising:a light emitting diode chip;
a driver electronic; and
a first circuit board and a second circuit board;
wherein the light emitting diode chip is mounted on one of the two circuit boards and the driver electronic is mounted on the other one of the two circuit boards; and
wherein a first conductive track of the first circuit board and a second conductive track of the second circuit board are electrically connected to one another by means of a spring contact, wherein the spring contact includes two clamping arms connected by a central segment and each clamping arm includes a protrusion that extends into a free space between the clamping arms,
wherein the spring contact contacts the first conductive track of the first circuit board and the spring contact contacts the second conductive track of the second circuit board to form an electrical connection between the first conductive track and the second conductive track,
wherein the first conductive track of the first circuit board faces the second conductive track of the second circuit board, and
wherein the protrusions of the clamping arms are offset from one another along a vertical z-axis.