Signify Holding B.v.

Koninklijke Philips Corporation N.v.

Lumileds LLC

Philips Lighting Holding B.v.

Lumencor, Inc.

Philips Intellectual Property & Standards Gmbh

Ludovicus Johannes Lambertus Haenen

Johannes Petrus Maria Ansems

Christoph Gerard August Hoelen

Hugo Johan Cornelissen

Simon Eme Kadijk

Olexandr Valentynovych Vdovin

Dirk Kornelis Gerhardus De Boer

Barry Mos

Rifat Ata Mustafa Hikmet

Ties Van Bommel

Nicola Bettina Pfeffer

Erik Paul Boonekamp

Martinus Petrus Joseph Peeters

Marc Andre De Samber

Norbertus Antonius Maria Sweegers

Yun Gang Li

Durandus Kornelius Dijken

Silvia Maria Booij

Georges Marie Calon

Michel Cornelis Josephus Marie Vissenberg

Peter Johannes Martinus Bukkems

Martinus Hermanus Wilhelmus Maria Van Delden

Jochen Renaat Van Gheluwe

Ramon Pascal Van Gorkom

Joris Jan Vrehen

Martinus Petrus Creusen

Dominique Maria Bruls

Aldegonda Lucia Weijers

Augustinus Gregorius Henricus Meijers

Edwin Van Lier

Jan De Graaf

Lukas Kuepper

Jianghong Yu

Rémy Cyrille Broersma

Dirk Jan Van Kaathoven

Rick Gerhardus Nijkamp

Daniël Anton Benoy

Huib Cooijmans

Michel Cornelis Josephus Vissenberg

Rick Gerardus Nijkamp

Nils Benter

Jelle Peter Pelsma

Aldo Tralli

Johannes Martinus Jansen

Anna Wilhelmina Maria Wondergem-De Best

Abraham Vamattathil Scaria

Franciscus Guillaume Peter Sools

Olena Ivanova

Daniel Anton Benoy

Yun Li

Edwin P H Van Lier

Petrus Hendrikus Antonis

Peter Vanpoucke

Li Yun

The invention provides a lighting system (), wherein the lighting system () comprises np system sections (), wherein n≥2, wherein each system section () comprises a light source array section (), a collimator section (), and a Koehler integrator section (), wherein: for each of the system sections () applies: the light source array section () comprises a plurality of section light sources () configured to provide light source light (); the Koehler integrator section () comprises a section entrance face () and a section exit face (), wherein the section entrance face comprises a plurality of section entrance lenslets () shaped according to an section entrance surface pattern (), and wherein the section exit face () comprises a plurality of section exit lenslets () shaped according to a section exit surface pattern (), and wherein the section entrance face () is configured in a light receiving relationship with the plurality of section light sources () via the collimator section (); each of the plurality of section light sources () have a light emitting surface (), wherein the light emitting surface () has a first axis of elongation Aand an aspect ratio RS, wherein RS>1; each first axis of elongation Ahas an angle αAto an averaged first direction of the axes of elongation A, wherein α≤5°; the section entrance surface pattern () comprises a section entrance tessellation () of an entrance lenslet shape, wherein the entrance lenslet shape has a rotational symmetry of order nA, wherein n≥2, wherein the entrance lenslet shape has an entrance aspect ratio Rand wherein R≤RS; the section exit surface pattern () comprises a section exit tessellation () of an exit lenslet shape, wherein the exit lenslet shape approximates the light emitting surface (), wherein the exit lenslet shape has an exit aspect ratio R, wherein Ris selected from the range of 0.8*RS−1.2*RS; and at least two system sections () of the system sections () are rotated relative to another for 360°/n/k+(360/n)*n, wherein m is anon-negative integer, and wherein k is selected from the range of 2-12.

Lighting system

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

A light emitting device () adapted for projecting a light beam () onto a target surface, the light emitting device () comprising a light engine () comprising a light source (), a light mixing chamber (), and an optical component () having a spherical shape with a curved light-receiving surface (), where the light source () is arranged to, in operation, emit light towards a light exit window () of the at least one light mixingchamber, the light exit window () of the at least one light mixing chamber () thereby acting as an extended light source with a curved light-emitting surface, where the optical component () is provided adjacent to the light exit window () of the light mixing chamber, and where the curved light emitting surface of the at least one light mixing chamber () is conformal to an the curved light-receiving surface () of the optical component () andcoincident with a focal surface () of the optical component ().

Light emitting device

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 lighting device includes a lens array having a plurality of lenses and a focal surface located at a focal distance from the lens array, a light source array having a plurality of light sources arranged to emit light towards the lens array with a light output distributed around a primary axis, and a cover layer having a light-transmissive surface portion delimiting light exit openings. The cover layer is positioned to substantially coincides with the focal surface. Each light source forms a combination with a closest lens, each combination having, in a plane perpendicular to the primary axis, a displacement length and a displacement direction, such that there are least two different displacement lengths and at least two different displacement directions.

Lighting device having light-transmissive cover layer between a lens array and a light source array

A light generating system () comprising a plurality of light sources () configured to provide light source light (), an elongated luminescent body () having a first face () and a second face () defining a length (L) of the elongated luminescent body (), the elongated luminescent body comprising one or more side faces (), the elongated luminescent body () comprising a radiation input face () and the second face () comprising a first radiation exit window (), wherein the radiation input face () is configured in a light receiving relationship with the plurality of light sources (), wherein the elongated luminescent body () comprises luminescent material () configured to convert at least part of the light source light () into luminescent material light (), and a beam shaping optical element ().

Light generating device with a beam shaping optical element

A lighting device () comprising a light generating element (), and a micro-lens array () comprising a focal plane (F), wherein the light generating element () is arranged to emit a light output towards the micro-lens array (), wherein the lighting device () comprises an array of micro-logos (-), and wherein the array of micro-logos (-) is located in the focal plane (F) of the micro-lens array ().

Lighting device

A lighting device () comprising a light generating element (), and a micro-lens () comprising a focal plane (F), wherein the light generating element () comprises a first light generating component () and a second light generating component (), wherein the first light generating component () comprises a light emitting surface () adapted for providing a diffuse light output component, wherein the second light generating component () comprises at least one array of light sources () adapted for providing a directional light output component, wherein the light generating element () is arranged to emit a light output towards the micro-lens array (), the light output being formed by a superposition of the diffuse light output component and the directional light N output component, and wherein the array of the light sources () is located in the focal plane (F) of the micro-lens array ().

The invention provides an elongated luminescent body () comprising an elongated support () and a coating layer (), wherein the elongated luminescent body () further comprises a body axis (BA), and a length parameter P of a body dimension perpendicular to the body axis (BA), wherein the length parameter P is selected from height (H), width (W) and diameter (D), wherein: &#x2014;the elongated support () comprises a support material (), a support material index of refraction n1, wherein the support material index of refraction n1 is at least 1.4, a support surface (), and a support length (L); &#x2014;the coating layer () is configured on at least part of the support surface () over at least part of the support length (L), wherein the coating layer () comprises a coating layer material (), a coating layer index of refraction n2, wherein coating layer index of refraction n2 is at least 1.4, and a coating layer thickness (d), wherein the coating layer material () has a composition different from the support material (), wherein the coating layer material () comprises a luminescent material () configured to absorb one or more of UV radiation and visible light, and to convert into luminescent material light () having one or more wavelengths in one or more of the visible and the infrared; and &#x2014;the support material () is transmissive for the luminescent material light (), and (i) &#x2212;0.2&#x2264;n1&#x2212;n2&#x2264;0.2 and (ii) d/P&#x2264;0.25 apply.

Light generating system comprising an elongated luminescent body

A lighting device includes at least one first light-emitting element configured to emit a first light of a first wavelength range; and a light guide having axially opposite first and second base surfaces, and a plurality of segments, each with a first light in-coupling surface formed on a lateral surface of the light guide, each of the segments configured to convert at least a part of input light into second light having a selected wavelength range. At least a portion of the first base surface includes a second light in-coupling surface and at least a portion of the second base surface includes a light out-coupling surface. The lighting device is optically coupled to the second light in-coupling surface such that the first light is coupled into the light guide, and the first light emitting element is configured to reflect at least part of the second light thereon having a wavelength within at least one of the selected wavelength ranges back into the light guide.

Spot lighting device having light guide with plurality of light converting segments

The invention provides a lighting device () comprising a luminescent element () comprising an elongated light transmissive body (), the elongated light transmissive body () comprising a side face (), wherein the elongated light transmissive body () comprises a luminescent material () configured to convert at least part of a light source light () selected from one or more of the UV, visible light, and IR received by the elongated light transmissive body () into luminescent material radiation (). The invention further provides such luminescent element per se.

Light concentrator module

The invention provides a lighting device () comprising a light source configured to provide light source light and a luminescent element () comprising an elongated light transmissive body (), the elongated light transmissive body () comprising a side face (), wherein the elongated light transmissive body () comprises a luminescent material () configured to convert at least part of the light source light () selected from one or more of the UV, visible light, and IR received by the elongated light transmissive body () into luminescent material radiation (). The side face comprises the radiation input face (), and the body further comprises a first face () and a second face () defining a length of the body, wherein the second face comprises a first radiation exit window (). The side face comprises a curvature with a radius r, and the concentration of the luminescent material is chosen such that at least 80% of the source light is absorbed within a first length x from the side face, wherein x/r&#x3c;=0.4 applies.

The invention provides a multi-channel plate () comprising (i) a plurality of parallel arranged channels () and (ii) at least a light source () configured to provide light source light (), wherein a first channel () includes a light transmissive part (), wherein the light source () is configured to provide light source light () downstream from the light transmissive part () and external from the first channel () as a first lighting function, and wherein the multi-channel plate () includes a second channel (), configured to provide an additional function different from said first lighting function.

Extruded channel plate as basis for integrated functions

A light emitting assembly (), a spot lamp and a luminaire are provided. The light emitting assembly comprises at least one first package () with a solid-state light emitting a first color of light, a second package () with a solid-state light emitter emitting a second color of light and a third package () with a solid-state light emitter emitting a third color of light. The first package has a smallest side (w) that is at least 60% smaller than the sides (w, w, l, l) of the second package and the third package. The packages are provided on a substrate (). Seen in along a view direction towards a top surface of the substrate; an envelope around said packages is a circle or an ellipse () having a center (), one first package is positioned on the center, or two first packages are provided at positions adjacent to the center and intersect with a virtual line through the center.

Light emitting assembly, a spot lamp and luminaire

Growing community of inventors

Eindhoven, Netherlands

Ludovicus Johannes Lambertus Haenen