Signify Holding B.v.

Koninklijke Philips Corporation N.v.

Philips Lighting Holding B.v.

Barry Mos

Peter Johannes Martinus Bukkems

Martinus Hermanus Wilhelmus Maria Van Delden

Ludovicus Johannes Lambertus Haenen

Simon Jacobus Maria Kuppens

Rifat Ata Mustafa Hikmet

Bartel Marinus Van De Sluis

Michel Cornelis Josephus Marie Vissenberg

Johannes Petrus Maria Ansems

Hugo Johan Cornelissen

Simon Eme Kadijk

Christoph Gerard August Hoelen

Christian Kleijnen

Dominique Maria Bruls

Maarten Van Lierop

Leonie Maria Geerdinck

Albert Bijlsma

Kwan Nai Lee

Petrus Gerardus Josephus Maria Nuyens

Lucas Jozef Maria Schlangen

Petrus Hendrikus Antonis

Peter Vanpoucke

Li Yun

The present invention relates to a lighting device (), comprising: at least one light source () adapted to emit light (b); a uniform diffuser () forming a light exit window of the lighting device; and a non-uniform volumetric diffuser () arranged between the at least one light source and the uniform diffuser.

Lighting device having a non-uniform volumetric diffuser with open and/or closed cells

The invention relates to a retractable lighting fixture, comprising an elongated drum rotatable over a length axis; and a flexible multilayer lighting sheet movable between a retracted position and a protracted position, with the multilayer lighting sheet in the retracted position being at least partially retracted in one or more windings around the drum and with the multilayer lighting sheet in the protracted position being fully unwound from the drum; the multilayer lighting sheet being composed of at least one LED layer and at least one diffusing optical layer, the at least one LED layer having a first LED layer edge mounted at a first mounting position of the drum and the at least one diffusing optical layer having a first optical layer edge mounted at a second mounting position of the drum, the first mounting position being located at an arc length from the second mounting position.

Retractable lighting fixture

An illumination device () provided with a support structure (), an array of a plurality of spatially separated solid state lighting elements () mounted on a first side of the support structure (), as well as an optical element () made from a light diffusing material for diffusing light emitted by the array of the plurality of spatially separated solid state lighting elements (), the optical element () being mounted on the first side of the support structure and provided with a pattern formed of an array of a plurality of recessed portions () and an array of a plurality of elevated portions ().

Illumination device, optical element and luminaire

A lighting arrangement (), comprising: LEDs (), a PCB () arranged to support the LEDs, a light guide element () configured to guide light emitted from the LEDs, wherein the light guide element is plate-shaped and arranged in a plane, P, and wherein the LEDs are arranged at an edge () of the light guide element, a support structure () fastened to the PCB and arranged at at least a first edge portion () of the light guide element, wherein the support structure comprises a groove (), wherein the lighting arrangement further comprises a cover plate () comprising flanges () matingly and biasedly arranged in the groove, whereby the support structure, via first () and second portions () thereof, clamp the at least a first edge portion of the light guide element for positioning of the LEDs at the edge of the light guide element.

Lighting arrangement with light guide element

The invention relates to an assembly () for a semiconductor photonic component (), wherein the semiconductor photonic component () is accommodated in an assembly housing () being shielded from the environment. Furthermore, the invention relates to an assembly housing () for use with such assembly for a semiconductor photonic component (). Accordingly, the assembly () at least comprising a substrate (); at least one semiconductor photonic component () mounted to the substrate (), said at least one semiconductor photonic component () including a photonic active surface element (A,A); an assembly housing () for shielding the substrate () and the at least one semiconductor photonic component () from the environment; the assembly housing () comprises a housing wall part () provided with at least one photonic window element () facing the photonic active surface element (A,A) of the at least one semiconductor photonic component (), said at least one photonic window element () forming a monolithic part with the housing wall part (') and having a transmissivity being larger than the transmissivity of the housing wall part (′).

Assembly for a semiconductor photonic component

The invention relates to a luminaire comprising a stack of parallel light transmissive transparent plates comprising a light guide plate and an optical plate. The light guide plate comprises a first and a second major light guide surface and a circumferential edge-wall and is edge-lit by LEDs. At least one of the major light guide surfaces is provided with a light outcoupling structure comprising outcoupling elements arranged at a first pitch P1. The optical plate comprises a first and a second major optical surface, the first major optical surface facing towards the second major light guide surface and only one of the first and second major optical surfaces being provided with an optical structure comprising optical elements arranged at a second pitch P2. The second major light guide surface and the first major optical surface are spaced apart in a direction perpendicular to the major light guide surface by a spacing S, with S being in the range of 0-12 mm. P1 and P2 are in the range of 1-7 mm and a ratio between P1 and P2 is in the range of 0.5-2.

Luminaire and lighting system

The invention provides a light generating system (), comprising a plurality of light sources (), an elongated luminescent body (), and a body holder structure (), wherein:

HLD module with cavity for improved light coupling

The invention provides a lighting system () comprising a first light source (), a second light source (), and a control system (), wherein: —the first light source () is configured to generate first light source light () with a controllable first radiant flux, wherein the first radiant flux is dimmable over a first dimming range; wherein the first light source light () has a first angular distribution relative to the lighting system (); —the second light source () is configured to generate second light source light () with a controllable second radiant flux, wherein the second radiant flux is dimmable over a second dimming range; wherein the second light source light () has a second angular distribution relative to the lighting system (), different from the first angular distribution; —the control system () is configured to control the first light source () and the second light source (), wherein, in a controlling mode of the control system (), the control system () is configured to control a value of one of the first radiant flux and the second radiant flux with a negative proportional dependence of a change in a value of the other of the first radiant flux and the second radiant flux over at least a respective part of the respective dimming range.

Lighting system with constant illuminance dimming

A luminaire () is disclosed that comprises a surface tile () and a lighting device (), wherein the lighting device () is arranged proximal to an edge of the surface tile (). The lighting device () comprises a light guide () having an elongate surface arrangement () extending between opposing end surfaces ('), and a light source () at one of the end surfaces (&#x2032;) of the light guide () and arranged to emit its luminous output into the light guide () through said end surface (&#x2032;). The elongate surface arrangement comprises a first surface portion () and an opposing second surface portion (). The first surface portion () comprises a first light outcoupling structure () dimensioned to generate a first illumination profile () from the second surface portion () that has a first angular distribution, and a second light outcoupling structure (&#x2032;) spatially separated from the first outcoupling structure () and dimensioned to generate a second illumination profile (&#x2032;) from the second surface portion () that is spatially distinct to the first illumination profile () and has a second angular distribution. The first illumination profile () and the second illumination profile (&#x2032;) illuminate different regions of the surface tile () and in combination provide a uniform illumination of the surface tile ().

Luminaire comprising a surface tile and a lighting device

A light emitting device () comprising a plurality of LEDs (), each LED () of said plurality of LEDs comprising a LED output surface () and being arranged to, in operation, emit light from said LED output surface, a light guiding element () comprising a light guide input surface () being arranged adjacent said LED output surface of each LED of said plurality of LEDs such that said light emitted by said plurality of LEDs is injected into the light guiding element at said light guide input surface, said light guiding element further comprising a light guide output surface (), said light being injected into the light guiding element at said light guide input surface further being guided to and emitted from said light guide output surface, and a collimating element () made of a transparent material and comprising a first surface section () arranged adjacent said light guide output surface and said collimating element being adapted to collimate light emitted from said light guide output surface and injected into said collimating element at said first surface section, the light emitting device further comprising a first reflective element () arranged such as to enclose at least said light guiding element at least partially and wherein said collimating element comprises a second surface section (), wherein the first reflective element is adapted to inject at least a part of light reflected back by the first reflective element into said collimating element at said second surface section.

Light emitting device combining light from several LEDs

A light emitting arrangement is provided, comprising: an array of light-emitting elements () arranged on a carrier () having an inner surface () facing an interior space at least partially enclosed by said carrier, and an outer surface (), and wherein the light emitting elements () are arranged to emit light towards the interior space, and a tubular wavelength converting member () having an envelope body comprising a light-receiving inner envelope surface () facing an interior space partially enclosed by said wavelength converting member, and an outer envelope surface (), the wavelength converting member () being arranged adjacent said carrier () to receive light emitted by said light emitting elements () via said light-receiving inner envelope surface (). The light emitting arrangement offers improved cooling and enables high lumen output without overheating.

Light emitting arrangement for improved cooling

The present invention relates to an optical device () for forming a light beam, which optical device comprises a lens () having a top section () configured to receive light emitted by a light source (), a bottom section () configured to allow the received light to exit the lens, and a plurality of side sections () stretching from the top section to the bottom section. The plurality of side sections enclose the lens and are adapted to reflect and refract incident rays of the received light. A cross-section () of the lens, in a plane perpendicular to a center axis () stretching from the top section to the bottom section, has the shape of a polygon, which polygon is oriented in a length-wise direction () and in a transversal direction () being perpendicular to each other. Furthermore, the lens is adapted such that the received light exits the lens as a light beam formed to an elongated shape () at a predetermined distance () from the optical device. With the presented optical device, a compact lens enabling for a desired elongated illumination distribution is provided.

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Bocholt, Belgium

Barry Mos