US Pat. No. 9,933,139

LIGHT FIXTURE COMPRISING INTERCHANGEABLE LIGHTING MODULES

ZUMTOBEL LIGHTING GMBH, ...

1. A light fixture (1), havingan elongated carrier element (5), the elongated carrier element (5) having a first receiving region (13) and a second receiving region (6) separated by at least a base surface (7) in the elongated carrier element (5);
numerous lighting modules (20), which can be detachably secured to the elongated carrier element (5) in the second receiving region (6),
a device carrier (50), which can be detachably secured to the elongated carrier element (5) in the first receiving region; and
means for providing the lighting modules (20) with power, comprising an operating device (100) and contacting means (40, 41) connected to the operating device, wherein the operating device (100) and the contacting means (40, 41) are disposed on the device carrier (50);
wherein the device carrier (50) is disposed in the first receiving region (13) on the side of the elongated carrier element (5) facing away from the second receiving region (6) in which the lighting modules (20) are disposed, each of said LED modules (20) comprising an LED board (30), numerous LEDs (31) and electrical contact panels (35) on the respective LED board (30), wherein the contacting means (40, 41) on the device carrier (50) pass through holes (10) formed in the elongated carrier element (5) in order to make electrical contact with electrical contact panels (35) on the respective LED board (30).

US Pat. No. 9,362,519

ELECTRO-OPTICAL COMPONENT HAVING A QUANTUM DOT STRUCTURE

ZUMTOBEL LIGHTING GMBH, ...

1. An electro-optical component comprising:
a polymer layer, into which a quantum dot structure is embedded, wherein the quantum dot structure is a section of the polymer
layer, said section being structured by two-photon polymerization to form a plurality of specifically located small uniformly
sized 3-dimensional quantum dots and wherein the polymer layer with the embedded quantum dot structure adjoins at least one
organic layer;

wherein the quantum dot structure:
is designed to alter an electron conductivity in an electron transport layer and/or a hole conductivity in a hole transport
layer of the component;

is arranged between at least two organic layers, and
defines a band gap between the layers of the component.

US Pat. No. 9,810,415

LIGHT-EMITTING ASSEMBLY AND LAMP HAVING A LIGHT-EMITTING ASSEMBLY

ZUMTOBEL LIGHTING GMBH, ...

1. A light-emitting assembly, having;
a light-emitting element for emitting a light along a path,
an optical element for influencing the path of the light, and
a transparent insulating element, which is arranged in the path of the light between the light-emitting element and the optical
element, wherein the insulating element comprises a material which is more thermally stable than that of the optical element,
and

a surrounding element which is arranged so as to surround both the optical element and the insulating element in dust-tight
fashion,

wherein the surrounding element has a hollow-cylindrical region and the optical element has a cylindrical outer surface which
contacts the hollow-cylindrical region, and the insulating element has a cylindrical outer surface which contacts the hollow-cylindrical
region of the surrounding element.

US Pat. No. 9,814,119

METHOD AND SYSTEM FOR ACTUATING LOADS CONNECTED TO A BUS SYSTEM

ZUMTOBEL LIGHTING GMBH, ...

1. A method for controlling consumers connected to a bus system, having a plurality of lamp operating devices, comprising:
providing at least one command generator and a central clock generator which is also connected to the bus system,
controlling the lamp operating devices, where control is carried out via the transmission of data packets, and
after the initiation of a data packet transmission via the central clock generator, the command generator fills an area of
the data packet which is assigned to it,

wherein multiple command generators are connected to the bus system and different areas of the data packet are assigned to
each of them.

US Pat. No. 9,468,067

METHOD AND CIRCUIT ASSEMBLY FOR OPERATING AN LED LIGHT SOURCE

ZUMTOBEL LIGHTING GMBH, ...

1. A method for operating an LED light source, comprising:
a portion of the electrical power (Pout) supplied to the LED light source during operation which is converted into light (Plight) is determined on the basis of temperature measurements, and

on the basis thereof, a compensation factor (KAGE_COMPENSATION) which compensates for the ageing of the LED light source is determined,

wherein a correlation factor (F) which was determined at the start of the activation of the luminaire is used to determine
the portion of the electrical power which is converted into light (Plight);

wherein the correlation factor (F) is recalculated in the event of a new arrangement of the luminaire or in the event of a
non-continuous change in the portion of power converted into light (Plight).

US Pat. No. 9,414,467

METHOD FOR ADDRESSING LIGHT FIXTURES, LIGHT FIXTURE FOR LIGHTING AND SYSTEM FOR LIGHTING A ROOM

ZUMTOBEL LIGHTING GMBH, ...

1. A method for addressing luminaires, comprising;
arranging luminaires within an area,
sensing a region around each luminaire using a camera, which is assigned to the corresponding luminaire,
determining the position of each luminaire within the area from data acquired by the cameras, and
allocating an address to each luminaire based on the determined position of each luminaire within the area.

US Pat. No. 9,360,172

ARRANGEMENT FOR EMITTING LIGHT

ZUMTOBEL LIGHTING GMBH, ...

1. An elongate luminaire arrangement for emitting light, comprising a plurality of LED light sources and a plurality of lenses
arranged after the LED light sources in the light emission direction, wherein a reflector for influencing the light emitted
from the lenses is arranged after the lenses in the light emission direction characterized in that,
each lens has a recess on the surface where the light emitted by the LED light sources enters the lens to produce a light
intensity distribution curve of light emitted from the corresponding lens in the C0/C180 plane having a plurality of mutually
separate wings which lie in each case substantially in an angular range of 0° to 90° relative to an axis parallel to the light
emission direction through the light centroid of the corresponding lens and in each case have a peak region and flank regions
adjacent thereto on both sides, in which flank regions the light intensity falls to a significantly lower value than in the
peak region, wherein the peak region lies at angles of greater than 0° and one of the flanks falls toward the angular range
around 0° , and in that the lenses are joined together to form an elongate optical element.

US Pat. No. 9,234,644

OPTICAL ELEMENT

ZUMTOBEL LIGHTING GMBH, ...

1. An optical element for influencing the light emission of a substantially punctiform light source, in particular an LED,
the element comprising:
a hollow body having a central axis, a truncated-pyramid-like or truncated-cone-like basic shape outer wall, an approximately
rectangular base surface forming a light emission surface, and having a top surface with a central area sized to receive a
light source and form a light entrance surface,

wherein, the outer wall further comprising four side regions extending from the rectangular base surface inwardly toward the
top surface, and four corner surfaces alternatively interposed between the four side regions, each extending between a corner
of the rectangular base surface to the top surface, forming a planar or rotationally symmetrically segment of the outer wall
thereby eliminating sharp internal corners extending from the corners of the rectangular base surface and the top surface,
providing an interior surface which continuously expands without graduations between the top surface to the rectangular base
surface.

US Pat. No. 9,316,378

ARRANGEMENT FOR OUTPUTTING LIGHT WITH PUNCTIFORM LIGHT SOURCES AND LIGHT DEFLECTION ELEMENT

ZUMTOBEL LIGHTING GMBH, ...

1. An arrangement for emitting light, comprising:
a plurality of spaced apart essentially point light sources, and
a light directing element having a bounding surface which is arranged in the beam path of the light of both a first light
source and an adjacent second light source, wherein

the bounding surface forms a light entry surface for the light of the first light source into the light directing element,
and the bounding surface simultaneously forms an internal reflection surface for the light of the second light source.

US Pat. No. 9,562,665

LIGHT MODIFIER HAVING COMPLEX LENSES FOR LED LUMINAIRES

ZUMTOBEL LIGHTING GMBH, ...

1. A light modifier comprising:
at least one lens, each lens having a light-incident portion including a cavity, a light-exit face lying opposite to the light-incident
portion, and a beam splitting element formed in the light-incident portion,

wherein the light-exit face of the lens is rectangular and the beam splitting element is configured to project an asymmetric
light emission.

US Pat. No. 9,958,135

COVER ELEMENT FOR FLAT LUMINAIRE

ZUMTOBEL LIGHTING GMBH, ...

1. A flat luminaire comprising:a box shaped luminaire housing, which has a light exit opening at one side; and
a cover element arranged on the housing in a region of the light exit opening thereof to encompass a light emission region of a luminaire in a frame like fashion; and
wherein the cover element is integrally connected to at least one optical element, which extends into an inner region of the luminaire housing and which is provided for influencing the light emitted by the luminaire;
wherein the optical element has reflector walls which extend in an inclined fashion from the frame to a light source situated in the luminaire housing; and
wherein the luminaire further comprises a transparent planar light emission element, the frame like cover element having bearing surfaces projecting inward from the frame for bearing the planar light emission element.

US Pat. No. 9,797,582

PRINTED CIRCUIT BOARD FOR A LAMP

ZUMTOBEL LIGHTING GMBH, ...

1. A printed circuit board for a luminaire, comprising a plurality of circuit branches having a multiplicity of light emitting
diodes, wherein the light emitting diodes of a circuit branch are in each case interconnected in series with one another and
the circuit branches are connected in parallel with one another, wherein
a first number of light emitting diodes (LD11, LD15, LD21, LD25, LD31, LD35, LD41, LD45, LD51, LD55, LD61, LD65) of a circuit branch are fitted on a front side of the printed circuit board and a second number of light emitting diodes
(LDi11, LDi31, LDi52) of the same circuit branch are fitted on a rear side of the printed circuit board;
and wherein the light emitting diodes (LD11, LD15, LD21, LD25, LD31, LD35, LD41, LD45, LD51, LD55, LD61, LD65) of a circuit branch are of the same type, wherein the light emitting diodes (LD11, LD15, LD21, LD25, LD31, LD35, LD41, LD45, LD51 LD55, LD61, LD65) of the first number have a different voltage bin than the light emitting diodes (LDi11, LDi31, LDi52) of the second number.

US Pat. No. 9,713,230

METHOD FOR CONTROLLING A LAMP HAVING A PLURALITY OF SUB-UNITS

ZUMTOBEL LIGHTING GMBH, ...

1. A method for actuating a luminaire that has a plurality of controllable subunits, the method comprising:
supplying an input side of a control unit of the luminaire with first control information that relates to light emission of
just some of the controllable subunits,

generating in the control unit second control information that relates to the light emission of all the subunits based on
the first control information, and

transmitting this second control information to the subunits connected to an output side of the control unit.

US Pat. No. 9,801,263

LIGHTING SYSTEM AND METHOD FOR OPERATING A LIGHTING SYSTEM HAVING AN INTEGRATED SAFETY CONCEPT

ZUMTOBEL LIGHTING GMBH, ...

1. A lighting system controlled by a mobile operating device, the lighting system comprising:
a plurality of lamps, the operating device being designed to control the lamps, wherein the lamps in each case have an identification
transmitting unit which is designed to control the respective lamp at least temporarily in such a manner that the lamp delivers
an identification light signal unambiguously identifying the respective lamp,

the operating device has an identification receiving unit which is configured to receive the identification light signals
of the lamps, and

a controller configured in such a manner that only lamps can be controlled by the operating device, the identification light
signal of which is received by the identification receiving unit of the operating device at the time of delivery of a control
signal for controlling the lamps or within a defined first period of time before;

wherein in the case of a control of the respective lamp starting from a switched-off state of the lamp, to switch independently
of a transmission of a signal derived from the associated identification light signal by the operating device, into a switched-on
state for a second period of time and during this second period to send out the identification light signal by means of the
identification transmitting unit of the lamp,

wherein the control is accepted by the lamp previously switched off, if during this second period of time a successful transmission
of a signal derived from the identification light signal is transmitted by the operating device, and

wherein the lamps change back into the switched-off state when there has been no transmission of a signal derived from the
associated identification light signal by the end of the second period of time.

US Pat. No. 9,778,317

SYSTEM FOR MONITORING THE OPERATION OF A CURRENT LOOP

ZUMTOBEL LIGHTING GMBH, ...

1. A system for monitoring the function of a current loop, which is fed by a current source and has a switching element, wherein
an evaluation unit is arranged at the output of the current loop, which evaluation unit is designed to identify a state of
the switching element on the basis of the current flowing in the current loop, wherein furthermore a signal generation device
is arranged in the current loop, said signal generation device being connected to the switching element and generating a dynamic
signal characterizing the state of the switching element in the current loop,
wherein the dynamic signal generated by the signal generation device is one of a plurality of pulsed signals;
wherein the signal generation device generates the pulsed signals by short-circuiting the loop current;
and wherein the switching element is a multiple state switch having more than two states, and the signal generation device
characterizes each individual one of the switch states by generating a different one of the plurality of pulsed signals.

US Pat. No. 9,714,753

ASSEMBLY FOR EMITTING LIGHT HAVING AN LED, A CIRCUIT BOARD, AND AN OPTICAL ELEMENT

ZUMTOBEL LIGHTING GMBH, ...

1. An assembly for emitting light, comprising:
a circuit board,
an LED for generating a light, wherein the LED is arranged on the circuit board,
an optical element, which is arranged in such a way that it optically influences the light generated by the LED, and
a spacer element consists of ceramic material, wherein the spacer element is arranged between the optical element and the
circuit board, the spacer element establishing a distance ? between the circuit board and the optical element which is smaller
than a structural height of the LED above the circuit board,

wherein the optical element is retained on the spacer element.

US Pat. No. 9,933,123

LIGHT STRIP SYSTEM

ZUMTOBEL LIGHTING GMBH, ...

1. A light strip system comprising:an elongated carrier arrangement, which is formed by mounting rail elements featuring at least partly a U-shaped cross section with an opening facing downward, the mounting rail elements being joined together end to end to extend in a longitudinal direction, said rail elements including at least one inwardly facing contact area on each side,
a first shaped element which comprises a flexible material in order to form part of an accommodation space within the elongated carrier arrangement, said first shaped element extending in the longitudinal direction,
a second shaped element, which is connected to the first shaped element in order to seal the accommodation space, said second shaped element extending in the longitudinal direction and including a floor area that is translucent or transparent, and
a light module component which is arranged inside the accommodation space,
wherein in order to hold the light module component, the light module component pushes against the contact areas on each side of the rail elements of the carrier arrangement, with respective flexible, intermediate areas of the first shaped element between the light module component and the respective contact area.

US Pat. No. 9,791,142

LAMP HAVING AIR-CONDUCTING SURFACES AND AIR PASSAGE OPENINGS

ZUMTOBEL LIGHTING GMBH, ...

1. A lamp, comprising:
a light source with a plurality of light output elements, and a lamp body having first passage openings next to the light
source on a first side and second passage openings next to the light source on a second side, the first and the second passage
openings being designed for an air flow for cooling the light source,

wherein the lamp body also having a first air-conducting surface next to the first passage openings on the first side located
below the light source and a second air-conducting surface next to the second passage openings on the second side below the
light source,

wherein the two air-conducting surfaces are designed in such a way that they form an air incidence region that expands away
from the light source

wherein the second air-conducting surface is formed by an outer surface of a housing, the housing being configured to mount
an operating device of the lamp body, and

wherein at least one of the first passage openings and the first air-conducting surface are configured as part of a heat sink,
in which the housing is connected to the heat sink in a manner held mechanically solely via a screw connection.

US Pat. No. 9,635,738

ILLUMINATION SYSTEM WITH AN AUTOMATIC LIGHT IDENTIFICATION SYSTEM FOR LOCATION-DEPENDENT LIGHTING CONFIGURATION, AND A METHOD FOR OPERATING AN ILLUMINATION SYSTEM

ZUMTOBEL LIGHTING GMBH, ...

1. An illumination system with a mobile operating device, comprising:
a plurality of lights and a central control device,
wherein the central control device is configured to control the lights,
wherein the operating device has a position-sensing unit which is configured to sense the position of the operating device,
in that the operating device has a display unit which is configured to display positions of at least some of the lights and
the position of the operating device in combination, and

in that the operating device is configured
to enable a user to perform a selection and operation of at least the displayed part of the lights by means of the display
unit, and

to control the lights by means of the central control device according to the operation by the user.

US Pat. No. 9,845,934

LIGHTING ARRANGEMENT, IN PARTICULAR FOR ESCAPE ROUTE LIGHTING

ZUMTOBEL LIGHTING GMBH, ...

1. A lighting arrangement in the form of an escape sign luminaire, the lighting arrangement comprising:
a circumferential frame for supporting one or more transparent panes for light-delivery, wherein the circumferential frame
and the one or more transparent panes form a housing;

two light sources arranged in an interior of the housing; and
two lenses respectively associated with the light sources,
wherein the lenses are designed to asymmetrically radiate light that is emitted from the associated light source, wherein
the lenses are arranged on the frame, and wherein the lenses can be positioned in four different positions on the frame, the
four different positions rotated 90 degrees relative to one another about a longitudinal axis that is defined by the associated
light source, and

wherein each of the lenses comprises a base, a first portion that extends outwardly from the base in a first direction, and
a second portion that extends outwardly from the base in a second direction opposite the first direction, the first portion
defining a light-entry region for the light emitted from the associated light source, and the second portion defining a light-exit
region for the light.

US Pat. No. 9,788,386

MELANOPIC LAMP

ZUMTOBEL LIGHTING GMBH, ...

1. A lamp comprising:
a first light source for generating a first light having a first spectral distribution (Si(?)), wherein the first light is
represented by a first color locus in a chromaticity diagram,

a second light source for generating a second light having a second spectral distribution (S2(?)), wherein the second light
is represented by a second color locus in the chromaticity diagram,

wherein the second spectral distribution (S2(?)) differs from the first spectral distribution (S1(?)),
a control unit for driving the first light source and the second light source, which is configured such that an intensity
of the first light can be altered independently of an intensity of the second light,

wherein the first light source emits the first color locus which substantially corresponds to the second color locus, and
the first color locus and the second color locus are localized within a seven-step MacAdam ellipse,

wherein the control unit is configured to reduce the intensity of the first light and simultaneously to increase the intensity
of the second light, and

wherein the first light has a first circadian action factor (Acv1) and the second light has a second circadian action factor
(Acv2), in such a way that the first circadian action factor (Acv1) differs from the second circadian action factor (Acv2)
by more than 0.10.

US Pat. No. 9,611,991

LIGHT COVER FOR AN ELONGATE ILLUMINATION SYSTEM

ZUMTOBEL LIGHTING GMBH, ...

1. A light cover for an elongate illumination system, comprising:
an essentially planar plate-shaped, elongate light emission element; and
fastening profiles, which are arranged on longitudinal sides of the light emission element for fastening the light cover on
a light housing said fastening profiles being integrally formed with the light emission element;

wherein the light emission element and the fastening profiles consist of different materials and the material of the fastening
profiles is more flexible than the material of the light emission element.

US Pat. No. 9,464,766

FACADE LIGHT COMPRISING LIGHT-EMITTING DIODES

ZUMTOBEL LIGHTING GMBH, ...

1. A facade light comprising;
a longitudinally elongated housing for receiving lighting operating devices and terminals, light-emitting diodes and optical
systems for distributing the light emitted by the light-emitting diodes, wherein at least two light-emitting diodes are combined
to form each of a plurality of LED clusters, each of the LED clusters is assigned to one of the optical systems, the light
emitted by the light-emitting diodes of the LED clusters passing through the optical systems which are designed in such a
way that it produces a longitudinally extending elliptical light distribution pattern on a facade to be illuminated,

wherein the plurality of LED clusters are longitudinally arranged next to one another, substantially along a straight line
which runs parallel to the longitudinal direction of the housing and a longitudinal axis of the elliptical light distribution
pattern,

wherein the housing is in its longitudinal direction divided into at least two sections, space for the lighting operating
devices being provided in a first lateral section and space for the plurality of LED clusters being arranged in a second lateral
section, and in that each LED cluster is coupled to means for dissipating heat produced during the operation of the LED clusters,
and

wherein air gaps for further dissipating the heat produced during the operation of the LED clusters are formed in the housing,
said air gaps being formed by longitudinally elongated air slits located adjacent to each other on opposed longitudinal sides
of the housing between a receiving region for the plurality of LED clusters and a peripheral housing wall.

US Pat. No. 9,752,752

LED LUMINAIRE HAVING DIFFERENTLY SETTABLE LIGHT DISTRIBUTIONS

ZUMTOBEL LIGHTING GMBH, ...

1. A luminaire, comprising:
an elongate housing extending along an axis L and configured to be horizontally oriented above a horizontal work surface,
a first light-emission arrangement affixed one end of the housing, the first light-emission arrangement comprising,
at least one first LED light source for emitting a first light,
at least one first light-guiding element for influencing the direction of the first light,
at least one second LED light source for emitting a second light, and
at least one second light-guiding element for influencing the direction of the second light,
wherein the at least one first light-guiding element is configured in such a way that it brings about an asymmetric light
emission of the first light, wherein the at least one second light-guiding element is configured in a structurally identical
manner to the at least one first light-guiding element and, in the process, is arranged in a position rotated by 180° relative
to the at least one first light-guiding element,

wherein the first light-emission arrangement is configured to illuminate the work surface from a first side obliquely inward
from axis L above, and

a second light-emission arrangement affixed the opposite end of the housing, the second light emitting arrangement comprising:
at least one first LED light source for emitting a first light,
at least one first light-guiding element for influencing the direction of the first light,
at least one second LED light source for emitting a second light, and
at least one second light-guiding element for influencing the direction of the second light,
wherein the at least one first light-guiding element of the second light emission arrangement is configured in such a way
that it brings about an asymmetric light emission of the first light, wherein the at least one second light-guiding element
is configured in a structurally identical manner to the at least one first light-guiding element and, in the process, is arranged
in a position rotated by 180° relative to the at least one first light-guiding element,

wherein the second light-emission arrangement is configured to illuminate the work surface from a first side obliquely inward
from axis L above.

US Pat. No. 9,103,530

ARRANGEMENT FOR DIRECTED LIGHT EMISSION

Zumtobel Lighting GmbH, ...

1. An arrangement for light-emission (100), having
a plurality of LED illuminants (110) in an elongate arrangement,

a carrier element (120), which carries the plurality of LED illuminants, and

a light-radiating element (130), which can be connected to the carrier element,

characterised in that the light-radiating element (130) has a first region (41, 51, 61, 71) in which traversing light is scattered to a large extent, and in that the light-radiating element (130) has a second region (40, 50, 60, 70) in which traversing light is scattered to a significantly smaller extent than in the first region (41, 51, 61, 71),

further characterised in that the light-radiating element (130) is formed as a profiled body with a substantially trapezoidal cross section or with a substantially rounded cross section
in a cross-sectional plane, and in that a normal of the cross-sectional plane corresponds to the longitudinal direction of
the plurality of LED illuminants (110).

US Pat. No. 9,829,184

SUPPORT RAIL FOR HOLDING AND SUPPLYING POWER TO A PLURALITY OF LIGHTING MODULES, AND LIGHT STRIP SYSTEM WITH SUCH A SUPPORT RAIL

ZUMTOBEL LIGHTING GMBH, ...

1. An LED lighting strip system, comprising:
an elongate support rail axially extending along a longitudinal axis for holding and supplying power to a plurality of LED
lighting modules, first conductors supported on and extending substantially along the length of the elongate support rail
forming a first power supply circuit to distribute AC grid voltage,

second conductors supported on and extending along the elongate support rail for forming a second power supply circuit to
distribute a DC voltage, and

a converter unit for electrically coupling the second power supply circuit to the first power supply circuit and converting
the AC grid voltage to the DC voltage to power the LED lighting modules,

wherein the second power supply circuit has a first DC coupling element for electrically connecting a first LED lighting module
and a second DC coupling element for electrically connecting a second LED lighting module mounted in spaced apart orientation
to the elongate support rail.

US Pat. No. 9,752,737

LED LIGHTING MODULE AND LUMINAIRE COMPRISING AT LEAST ONE LED LIGHTING MODULE

ZUMTOBEL LIGHTING GMBH, ...

1. An LED lighting module, comprising
a plurality of first LEDs for generating first light,
a first optical element located adjacent the plurality of first LEDs for influencing the first light, the first optical element
being configured to influence the first light in such that it is emitted collimated from the LED lighting module in a direction
R,

at least one second LED for generating a second light, and
a second optical element located adjacent the second LED for influencing the second light, the second optical element being
configured to influence the second light in such that it is emitted diffusely from the LED lighting module in a solid angle
around the direction R, wherein the second optical element forms a U-shaped cross section channel extending adjacent to and
around a periphery of a central region, the second optical element arranged inlaid in the first optical element.

US Pat. No. 9,618,182

LIGHT-INFLUENCING ELEMENT FOR INFLUENCING THE LIGHT EMISSION OF ESSENTIALLY POINT LIGHT SOURCES

ZUMTOBEL LIGHTING GMBH, ...

1. A luminaire comprising:
a plurality of substantially punctiform light sources arranged next to one another; and
a light-influencing element for influencing light emission of the substantially punctiform light sources, wherein the light-influencing
element has a plurality of lenses which are assigned to the light sources, arranged next to one another and integrally connected
in one piece, which lenses each have a cavity, which forms a light-entry region of the lens, and a light-exit face lying opposite
to the light-entry region,

wherein at least two of the lenses have different designs in respect of the light-entry regions thereof; and
wherein all lenses have rectangular flat light-exit faces with an identical design such that the light-influencing element
in total has a substantially flat light-exit face.

US Pat. No. 9,845,942

LIGHT STRIP SYSTEM AND CONVERTER UNIT THEREFOR

ZUMTOBEL LIGHTING GMBH, ...

1. An elongate light strip system extending in a longitudinal direction for securing and supplying power to luminaire units,
wherein the system comprises:
at least one elongate mounting rail defining at least one elongate U-shaped channel sized to receive and secure luminaire
units therein,

a first power supply extending along the elongate mounting rail for supplying power to the luminaire units, wherein the first
power supply includes first lines, which extend along the elongate mounting rail within the elongate channel and which form
a first power supply circuit,

second lines, which extend along the elongate mounting rail within the elongate channel over a partial length of the first
power supply circuit and form a pair of second power supply circuits, which are provided for making electrical contact with
the luminaire units, and

a converter unit oriented within the elongate channel forming an electrical coupling between the first power supply circuit
and the second power supply circuit, to convert a first supply voltage available in the first power supply circuit into a
second supply voltage available in the pair of second power supply circuits suitable for operating the luminaire units;

wherein the elongate channel formed within the elongate mounting rail is sized to receive the converter unit substantially
within the U-shaped channel:

wherein the converter unit is connected to the second power supply circuit with a plug which is connected to the converter
unit via a flexible line;

wherein the pair of second power supply circuits comprise a plurality of pairs of second power supply circuits, wherein the
converter unit is arranged in the center of two adjacent pairs of second power supply circuits, when viewed in a direction
normal to the elongate mounting rail, and is connected to the two pairs of second power supply circuits.

US Pat. No. 9,798,067

LUMINAIRE

ZUMTOBEL LIGHTING GMBH, ...

1. A luminaire, comprising a housing for accommodating a light source and operating devices, said housing being closed by
a light-transmissive cover,
wherein the light source is formed from a multiplicity of light emitting diodes arranged on at least one printed circuit board,
proceeding from the cover in the direction of the light emitting diodes there extends at least one light guide which takes
up light emitted by the light emitting diodes and guides the light toward the cover, and wherein the luminaire comprises at
least two light sources which are formed from a multiplicity of light emitting diodes, the light of which is emitted into
the surroundings via two emission surfaces, the light sources are arranged on a common printed circuit board, the multiplicity
of the light emitting diodes of a first light source are positioned on a top side and the multiplicity of the light emitting
diodes of a second light source are positioned on an underside of the printed circuit board, the second light source being
formed by at least one row of a plurality of light emitting diodes which are arranged one behind another and which are positioned
centrally on the printed circuit board, and the light emitting diodes are covered by a lens optical unit, which emits the
light that has passed through it into a grid optical unit.

US Pat. No. 9,695,990

ARRANGEMENT FOR LIGHT EMISSION

Zumtobel Lighting GmbH, ...

1. A luminaire (10) having
a housing (20),

a light-exit opening, fixed by the housing (20),

a reflector (30), and

an arrangement for light-emission having
a plurality of LED illuminants (110) in an elongate arrangement,

a carrier element (120), which carries the plurality of LED illuminants,

a light-radiating element (130) connected to the carrier element, wherein the light-radiating element (130) covers the plurality of LED illuminants (110) and has a trapezoidal cross-sectional shape with two curved sections (165) located proximate a bottom of the light-radiating element (130) and each curved section (165) forms a corner of the trapezoidal shape, and wherein said bottom has a linear profile,

wherein the two curved sections (165) are capable of diffusing light emitted from the plurality of illuminants and which correspond to the contour of two side-by-side
fluorescent lights, and

wherein the plurality of LED illuminants (110) arranged in the elongated arrangement and the light-radiating element simulate light characteristics of the two side-by-side
fluorescent lights, wherein the luminaire (10) has a cover of the light-exit opening arranged downstream of the light-radiating element (130) in the optical path, in that the cover has a central region close to the light-radiating element (130), in that the cover has a lateral region further away from the light-radiating element (130), and in that the cover has different light-radiation characteristics in the lateral region and in the central region, wherein
the central region has a first light diffusion characteristic and the lateral region has a second light diffusion characteristic
different than the first light diffusion characteristic.

US Pat. No. 9,951,913

LIGHT FIXTURE COMPRISING A CARRIER ELEMENT AND DETACHABLY SECURABLE LIGHTING MODULE

ZUMTOBEL LIGHTING GMBH, ...

1. A light fixture (1), havingan elongated carrier element having a receiving region with a U-shaped cross section on its underside for receiving one or more lighting modules,
at least one lighting module, which can be detachably secured to the carrier element, the lighting module comprising an LED board and a lens mount which holds the LED board and detachably secures the lighting module within the receiving region of the elongated carrier element, wherein a surface of the LED board forms a base surface of the lighting module facing the elongated carrier element when the lighting module is secured within the receiving region of the elongated carrier element, and
means for providing the lighting module with power, comprising contacts, which are disposed on the carrier element, or a device carrier supported by the carrier element, wherein at least a portion of the contacts is formed by spring contacts.

US Pat. No. 9,897,750

LED LIGHT FITTING HAVING A LIGHT-GUIDING PANEL

ZUMTOBEL LIGHTING GMBH, ...

1. A light fitting comprising:
an LED light source for generating light,
a light-guiding panel, wherein the LED light source is arranged such that the light is coupled into a peripheral irradiation
surface of the light-guiding panel,

a bearing element for bearing the light-guiding panel, and
an LED-light-source carrier element mounting the LED-light-source for displacement relative to the bearing element,
wherein the LED-light-source carrier element can be displaced from an installation position into an operating position in
the direction of the peripheral irradiation surface of the light guiding-panel, and the light-guiding panel can be separated
reversibly from the rest of the light fitting when the LED-light-source carrier element is located in the installation position.

US Pat. No. 10,113,710

REFLECTOR ELEMENT FOR AN LED CIRCUIT BOARD

ZUMTOBEL LIGHTING GMBH, ...

17. A flat reflector element for planar arrangement on an LED circuit board, wherein the flat reflector element includes:a flat portion having light-passage openings which extend therethrough and which correspond to positions of LEDs, each light-passage opening having a respective funnel-shaped edge region which extends within a thickness of the flat portion, and
projecting contact-protection elements which are arranged at a periphery of each of the light-passage openings so as to cover at least partially the respective funnel-shaped edge region.

US Pat. No. 10,001,267

LED MODULE AND LIGHTING ASSEMBLY HAVING A CORRESPONDING MODULE

ZUMTOBEL LIGHTING GMBH, ...

1. An LED module, comprising an arrangement of electronically interconnected LEDs and a carrier for the LEDs, wherein a parallel circuit formed by a plurality of series circuits of LEDs, wherein the parallel circuits are arranged in such a way that the thermal loading of the carrier caused by the operation of the LEDs is distributed substantially uniformly over the carrier;wherein the arrangement of the LEDs forms a uniform grid;
wherein all the LEDs on the carrier are substantially identical and uniformly arranged on the carrier in rows; wherein the rows located in an outer or edge region of the carrier comprises a greater number of series circuits than a row located in an inner or central region of the carrier;
and wherein the number of LEDs in a series circuit located in the outer or edge region of the carrier is less than the number of LEDs of a series circuit located in the inner or central region, such that during operation the LEDs of a series circuit from an outer or edge region of the carrier are subjected to a greater current load than the LEDs of a series circuit from an inner or central region.

US Pat. No. 9,980,347

LIGHTING SYSTEM AND METHOD FOR CONTROLLING A LIGHTING SYSTEM

ZUMTOBEL LIGHTING GMBH, ...

1. A lighting system for lighting a room (R), comprisingmeans (4) for generating overall room illumination;
multiple means (5) for generating concentrated, local illumination for multiple sub-regions in the room (R);
multiple presence detection devices (6), wherein each presence detection device is associated with one of the sub-regions and detects a presence of at least one person (P) in the associated sub-region in the room (R); and
a control device (8) for activating the means (4) for generating the room illumination and the multiple means (5) for generating the local illumination;
wherein the control device (8) is configured to activate the means for generating the overall room illumination automatically, as a function of daylight or as a function of the time of day, and independently of the activation of the multiple means for generating concentrated local illumination; and
further wherein the control device is configured to activate each of the multiple means for generating concentrated local illumination independently of the other means for generating concentrated local illumination and automatically as a function of the presence of at least one person (P) in the associated sub-region in the room (R).

US Pat. No. 9,976,712

LAMP FOR USE IN A LIGHTING STRIP SYSTEM AND LIGHTING STRIP SYSTEM

ZUMTOBEL LIGHTING GMBH, ...

1. A lamp for use in a lighting strip system which comprises:a supporting rail, which extends along a longitudinal axis,
supply lines for supplying power to a light source of the lamp,
a first unit for arrangement on the supporting rail for making electrical contact with the supply lines, the first unit comprising an operating device for supplying power to the light source of the lamp,
a second unit which comprises the light source,
a plug connection apparatus for connecting the second unit electrically to the first unit, and
a latching connection, provided by a first latching connecter attached to the first unit and a second latching connecter attached to the second unit, releasably mechanically connecting the first and second units together.

US Pat. No. 10,024,521

OPTICAL ELEMENT, AND ASSEMBLY FOR EMITTING LIGHT

ZUMTOBEL LIGHTING GMBH, ...

1. An elongate optical element for influencing light emitted by a light source comprising:an elongate front side that it extends along a longitudinal axis facing away from the light source, and
an elongate rear side that it extends along a longitudinal axis facing the light source,
wherein at the rear side a light entrance region for entrance of the light is formed and moreover a deflecting surface region is formed, and at the front side a front-side surface region is formed, wherein first light rays (L1) of the light which enter the optical element via the light entrance region are subjected to total internal reflection at the deflecting surface region and subsequently leaves the optical element via the front-side surface region,
wherein the front-side surface region is designed in a manner shaped in such a way that second light rays (L2) of the light which enter the optical element via the light entrance region and then impinge directly on the front-side surface region experience a total internal reflection there,
wherein a plurality of recesses is provided in the rear side forming a series extending parallel to the longitudinal axis, and
wherein each of the recesses in the plurality of recesses is sized to receive at least two light emitting diodes (LEDs) and each of the recesses has two further side walls extending transversely with respect to the longitudinal axis.

US Pat. No. 10,215,382

LIGHTING UNIT WITH A LIGHTING UNIT HOUSING WHICH COMPRISES A PROFILED ELEMENT

ZUMTOBEL LIGHTING GMBH, ...

1. A lighting unit, havinglighting unit housing comprising a profiled element having a U-shaped cross section with a center portion and opposed side walls, the profiled element extending axially along a longitudinal axis defining a planar surface having a plurality circular opening extending there through sized to receive a plurality of lighting unit tubular sleeves,a plurality of retaining elements, arranged in longitudinally spaced apart relation along the axis of the profiled element, for retaining the plurality of lighting unit tubular sleeves aligned with the plurality apertures, each of the plurality of retaining elements have an upwardly oriented extension protruding from the profiled element along the vertical direction, and each of the plurality of lighting unit tubular sleeves include a clamp arranged around the lighting unit tubular sleeve and the extension of a corresponding retaining element, anda plurality of lighting unit components mounted within the plurality lighting unit tubular sleeves such that they can move relative to the lighting unit tubular sleeves in a vertical direction along a vertical axis (A),
wherein the circular openings formed in the profiled element, through which the lighting unit tubular sleeves extend enable the tubular sleeves to be moved up and down along the axis (A);
convexly shaped latching elements formed on opposite sides of each of the plurality of the retaining elements engage under the two shoulder limbs formed on the opposed side walls of the profiled element,
wherein the profiled element and the retaining element are configured in such a way that the retaining element is held on the profiled element side walls solely via a latching connection of the latching elements.

US Pat. No. 10,066,807

FAçADE LAMP

ZUMTOBEL LIGHTING GMBH, ...

1. A lamp for arranging in a façade construction, comprising:a housing formed by a circuit board and a transparent cover; and
LEDs and further electronic components for driving the LEDs, wherein the LEDs and further electronic components are arranged within the housing;
wherein the LEDs and further electronic components are arranged on the circuit board with the transparent cover integrally forming an optical unit aligned with the LEDs, the transparent cover being adhesively bonded to the circuit board enclosing the LEDs and further electronic components there between;
wherein the transparent cover has a completely circumferential projection projecting laterally beyond the circuit board to rest against a circumferential region of a mounting opening of the façade construction; and
a seal is arranged on a side of the circumferential projection of the transparent cover that faces a façade construction.

US Pat. No. 10,113,709

ELONGATE MULTIPARTITE LENS ARRANGEMENT AND LUMINAIRE COMPRISING SUCH A LENS ARRANGEMENT

ZUMTOBEL LIGHTING GMBH, ...

1. An elongate multipartite lens arrangement for luminaires (L) for influencing light emitted by an illuminant comprising:a first elongate optical element comprising a first longitudinal axis (L2) and at least one second elongate optical element comprising a second longitudinal axis (L3), which second elongate optical element is disposed downstream of the first optical element in a light-guiding direction and provided separately from the first optical element,
wherein at least the first optical element has at least one defined light-entrance region, provided along the first longitudinal axis (L2), for introducing light of the illuminant into the lens arrangement
wherein the second optical element, for the purposes of guiding light of the lens arrangement, optically interacts with the first optical element in order to continue the light guidance of the first optical element,
wherein the light-entrance region is embodied as a recess for receiving the illuminants, and
wherein the first optical element has a grid or lattice forming the light-entrance regions, and at least one illuminant is assignable to each light-entrance region.

US Pat. No. 10,082,254

OPTICAL ELEMENT AND A LIGHT-EMITTING ARRANGEMENT WHICH COMPRISES AN OPTICAL ELEMENT

ZUMTOBEL LIGHTING GMBH, ...

1. An optical element for influencing light emitted from a light source (1), said optical element extending along a longitudinal axis (L), which comprisesa front side (2), which faces away from the light source (1), and
a rear side (3), which faces said light source (1),
a plurality of cell-like light entry regions (4) being located on the rear side (3) in order for light to enter, and extending in a row along a straight line (G) that runs parallel to the longitudinal axis (L),
a deflecting surface region (5) being designed for the purpose of at least partially deflecting the light internally, said deflecting surface region being located on the rear side next to said light entry regions (4) and extending away from the straight line (G), and
a light exit region (6) located on the front side (2) in such a way that light can at least partially exit through the light exit region (6),
wherein said deflecting surface (5) extends along the entire length of the optical element generally parallel with the longitudinal axis (L) except for at least one glare reducing structure also extending along the entire length of the optical element formed by adjacent, longitudinally inclined surface regions (7) configured in such a way that a normal to each inclined surface region forms an angle smaller or greater than 90° with the longitudinal axis (L).

US Pat. No. 10,082,278

ARRANGEMENT FOR FORMING AN ELONGATE, CHANNEL-TYPE ACCOMMODATION SPACE

ZUMTOBEL LIGHTING GMBH, ...

1. An arrangement for forming an elongate, channel-type accommodation space, comprisingat least two elongate mounting rail elements (1, 2),
whereby two of the mounting rail elements (1, 2) abut at their front faces via a joint (3),
a first shaped part (4), and
a second shaped part (5) connected to the first shaped part (4) to form a channel-type accommodation space (6), which extends at least substantially over the length of the two mounting rail elements (1, 2), whereby one of the shaped parts (4, 5) is fastened to the mounting rail elements;
wherein the mounting rail elements (1, 2) have an at least substantially U-shaped cross-section, so that a first U leg (11), a second U leg (12) and a connecting leg (13) connecting the two U legs (11, 12) with each other are formed, whereby the first shaped part (4) is arranged to abut the connecting leg (13); and further
wherein the first shaped part (4) has a floor area (40), a first arm section (41) adjoining on one first side of the floor area (40) and a connecting second arm section (42) adjoining on the opposing second side, whereby it is designed so that the first arm section (41) encompasses the free end range of the first U leg (11), and the second arm section (42) encompasses the free end range of the second U leg (12).

US Pat. No. 10,161,613

SUPPORT RAIL FOR FORMING A LIGHTING STRIP SYSTEM AND LIGHTING STRIP SYSTEM

ZUMTOBEL LIGHTING GMBH, ...

1. A lighting-strip system having a support rail for retaining, and supplying power to, at least two light-fitting modules, each light-fitting module comprising:a wiring unit with coupling elements for an electrical connection with at least two light-fitting modules,
wherein the wiring unit is subdivided into two sub-units each having at least one coupling element, and wherein the sub-units can be adjusted relative to one another in a longitudinal direction of the support rail;
wherein the two sub-units have a common circuit for supplying power to the connected light-fitting modules, wherein the sub-units are connected electrically via a flexible cable; and
wherein the circuit for supplying power to the connected light-fitting modules, has on an input side, a converter, which is connected to a power-supply connection for the support rail.

US Pat. No. 10,162,097

OPTICAL SYSTEM, AND ASSEMBLY FOR EMITTING LIGHT

ZUMTOBEL LIGHTING GMBH, ...

1. An optical system that influences a light emitted from a light source (9), comprising:a first optical element (1), which is plate-shaped, such that a plane (E) is established by the first optical element (1), wherein the first optical element (1) has a lateral edge region (11) through which light enters and
a second optical element (2), which is plate-shaped, wherein the second optical element (2) is disposed parallel to the first optical element (1), and has a light emitting region (21) through which the light exits;
wherein the second optical element (2) has at least one elongated lens element (3), which extends along a longitudinal axis (L) in another plane (E?), which is at least substantially perpendicular to the first plane (E), and the first optical element (1) has at least one elongated structure (5) parallel to the longitudinal axis (L), through which light is emitted; and
further wherein the at least one elongated lens element (3) has a groove (4) extending parallel to the longitudinal axis (L), through which light enters, formed on a side of the second optical element (2) facing the first optical element (1).

US Pat. No. 10,168,033

DOWNLIGHT

ZUMTOBEL LIGHTING GMBH, ...

1. A downlight (100) comprising an annular mounting frame (50) that is to be installed through a ceiling mounting hole, and a light fixture (10) that is to be attached to the mounting frame (50) having a luminaire head (30) located thereon, wherein a circumferential ridge (52) on the annular mounting frame (50) extends upward in the ceiling mounting hole when the frame is installed, and wherein the mounting frame (50) and the light fixture (10) are designed such that the attachment occurs by twisting the light fixture (10) in relation to the mounting frame (50), and the downlight further comprises:a locking element on the mounting frame, the locking element including a locking spring (20) mounted on a top surface of the circumferential ridge of the mounting frame and a locking projection (25) connected to the locking spring (20) and disposed angularly on a longitudinal side to the locking spring (20) and inside of an inner surface of the circumferential ridge (52) of the annular mounting frame;
a release hole (58) through the circumferential ridge (52) of the annular mounting frame (5) located underneath the locking spring (20) to provide access from below the mounting frame to push the locking spring upward; and
a delimiting element (15) on an outer circumferential surface of the light fixture (10) that engages the locking projection (25) to secure the light fixture (10) against rotating in the unlocking direction when the light fixture (10) is twisted fully into an installed position but can be released by pushing the spring (20) upward using a tool through the release hole (58) to push the locking spring (20) and locking projection (25) upward from below the mounting frame (50).

US Pat. No. 10,168,034

DOWNLIGHT

ZUMTOBEL LIGHTING GMBH, ...

1. A downlight (100) having a mounting frame (50) that is to be mounted in a region of a ceiling mounting hole, as well as a light fixture (10) that is to be attached to the mounting frame (50), having a luminaire head (30) located thereon, wherein the light fixture (10) has a main surface (11) with an opening through which the luminaire head is retained by the main surface and two wings (20) angling downward from the main surface and disposed on opposite sides of the main surface (11), and wherein the wings (20) of the light fixture (10) are flexible, and designed to be snapped into the mounting frame (50); and further wherein the wings (20) of the light fixture (10) each comprise snap-in means on their ends opposite the main surface (11) for snapping into the mounting frame (50) and the snap-in means comprise outwardly directed locking lugs (22), and the mounting frame (50) has locking recesses (60) that are complementary to the locking lugs (22) and the locking lugs (22) each have a hole (23) or cut-out, which enables releasing of the respective snap-in connection with a tool (80).

US Pat. No. 10,234,085

LIGHTING STRIP SYSTEM

ZUMTOBEL LIGHTING GMBH, ...

1. A lighting strip system comprising:an elongate support arrangement for holding lamp units and lines for electricity supply and/or signal transmission, wherein the support arrangement is formed from two C-shaped profile parts, which are joined together back-to-back to create a vertically aligned I-shaped profile in cross section with two horizontally outwardly facing C-shaped receiving regions which run in the longitudinal direction of the support arrangement and are separated by a vertically aligned partition spanning between horizontally extending upper and lower side walls of the two C-shaped profile parts, and
a lamp mounting fixture, for receiving lamp units, mounted on an underside surface of the lower end walls of the two C-shaped profile parts,
wherein the lines for electricity supply and/or signal transmission are arranged in one of the receiving regions and operating devices of the lamp units are arranged in the other receiving region,
wherein the support arrangement is further provided with protrusions extending from outboard edges of the upper and lower end walls of the two C-shaped profile parts.

US Pat. No. 10,281,121

SYSTEM FOR THERMALLY DECOUPLED MOUNTING OF LIGHT FIXTURES

ZUMTOBEL LIGHTING GMBH, ...

1. A lighting fixture system comprising:a light fixture with a light fixture housing;
a ceiling or wall with a longitudinal cut-out having opposing lateral edges and end edges at the end regions of the cut-out;
a mounting system (1) for installing the light fixture, having two straight receiving rails (4a, 4b) each having a substantially L-shaped cross section, wherein the receiving rails (4a, 4b) each have a first leg (5a, 5b), which is configured to be attached to a front surface of the wall or an undersurface of the ceiling (2) at respective opposing lateral edges of the cut-out (3) in the wall or ceiling (2), and wherein the two receiving rails (4a, 4b) each have a second leg (6a, 6b), which is adapted to engage in, or extend into the cut-out (3) and to support the light fixture housing (10) of the light fixture, without rigidly connecting the light fixture housing (10) to the first legs (5a, 5b) of the receiving rails (4a, 4b);
wherein the receiving rails (4a, 4b) when installed are disposed at a defined first spacing (d1) to one another, measured between the second legs (6a, 6b), and the lateral edges of the cut-out (3) have a second spacing (d2), which is greater than the first spacing (d1), such that spacings (9a, 9b) occur between the second legs (6a, 6b) of the receiving rails (4a, 4b) and the lateral edges of the cut-out (3).