Signify Holding B.v.

Koninklijke Philips Corporation N.v.

U.S. Philips Corporation

Philips Lighting Holding B.v.

Cp- Mahk Japan Co., Ltd.

Philips Intellectual Property & Standards Gmbh

Joris Jan Vrehen

Sjoerd Stallinga

Mark Johannes Antonius Verhoeven

Jeroen Wals

Hugo Johan Cornelissen

Peter Coops

Erik Paul Boonekamp

Dirk Hente

Ramon Pascal Van Gorkom

Dirk Kornelis Gerhardus De Boer

Bertrand Johan Edward Hontele

Teunis Willem Tukker

Hendrik Johannes Boudewijn Jagt

Joseph Hendrik Anna Maria Jacobs

Dominique Maria Bruls

Marko Macura

Petrus Johannes Bremer

Jean-Francois Laporte

Johannes Maria Thijssen

Daniël Anton Benoy

Noud Johannes Fleuren

Elena Tiziana Ferrari

Robert Cornelis Houtepen

Anna Wilhelmina Maria De Best

Herman Vos

Cornelis G De Kort

Fernando Munoz

Ties Van Bommel

Bartel Marinus Van De Sluis

Bernardus Hendrikus Wilhelmus Hendriks

Michel Cornelis Josephus Marie Vissenberg

Johannes Petrus Maria Ansems

Marcellinus Petrus Carolus Michael Krijn

Peter Johannes Martinus Bukkems

Peter Rijskamp

Vincent Stefan David Gielen

Christoph Gerard August Hoelen

Petrus Theodorus Jutte

Olexandr Valentynovych Vdovin

Willem Franke Pasveer

Dragan Sekulovski

Johan-Paul Marie Gerard Linnartz

Ludovicus Johannes Lambertus Haenen

Jean-Francois Duquette

Jonathan Hardy

Céline Catherine Sarah Nicole

Silvia Maria Booij

Georges Marie Calon

Pascal Jean Henri Bloemen

Hilbrand Vanden Wyngaert

Robert Van Asselt

Rob Franciscus Maria Van Elmpt

Jacobus Gerardus Boerekamp

Arnoldus Jeroen Niessen

Winand Hendrik Anna Maria Friederichs

Patrick Zuidema

Martijn Evert Paul Jansen

Gert W T Hooft

Gwendolyn Anita Luiten

Robertus Johannes Heeman

Michel Cornelis Josephus Maria Vissenberg

Chin Wan Oh

Gerardus Franciscus Cornelis Maria Lijten

Laurens Bax

Chris Van Den Eerenbeemd

Anna Wilhelmina Marie De Best

Stephan Certain

The invention provides a radiation generating system comprising a radiation unit, wherein the radiation unit comprises a light source, a first collimator, and an optical arrangement, wherein: (a) the light source is configured to generate light source radiation having a first spectral power distribution having an intensity Iat a first wavelength λand an intensity Iat a second wavelength λ; (b) the first collimator is configured in a light receiving relationship with the light source, wherein the first collimator is configured to collimate the light source radiation into collimated light source radiation; (c) the optical arrangement is configured downstream of the first collimator and is configured to convert the collimated light source radiation into arrangement radiation; wherein the arrangement radiation is collimated relative to the collimated light source radiation; wherein the optical arrangement comprises a second collimator and an optical filter, wherein: (i) the second collimator is configured downstream or upstream of the optical filter; (ii) the optical filter has a higher transmission for the first wavelength λthan for the second wavelength λwhen irradiated under a predefined angle; (iii) the first wavelength λis selected from the range of 190-230 nm and the second wavelength λis selected from the range of 100-190 nm or 230-280 nm; and (iv) the second collimator is at least partly defined by a plurality of light radiation transmissive channels, wherein the radiation transmissive channels are defined by channel walls which comprise a light absorbing material, wherein the light absorbing material is configured to absorb at least part of the collimated light source radiation received by the light absorbing material.

Disinfection system comprising an optical arrangement for a far UV light source to filter out undesired wavelengths

A system for adjusting one or more settings of one or more identified light sources is configured to receive input from one or more sensors (--), determine an attention area of an operator () from the input, identify one or more light sources () illuminating the attention area, and adjust one or more settings of the one or more identified light sources from grow light settings to operator light settings.

Adjust light sources from grow light settings to operator light settings based on a determined attention area

The invention provides a lighting system () comprising (i) a plurality of light sources () configured to generate light source light (), and (ii) optics () configured downstream of the light sources (), wherein the lighting system () further comprises a 2D array () of at least part of the total number of light sources (), wherein nearest neighboring light sources () in the 2D array () have an average first shortest distance (dd), wherein the lighting system () is further configured to generate in an operation mode lighting system light () comprising light source light () of a subset of the total number of light sources () wherein nearest neighboring light sources () configured to generate the light source light () for the lighting system light () in the operation mode have an average second shortest distance (dd), wherein the average second shortest distance (dd) is larger than average first shortest distance (dd).

Sparkle spot light

A lighting device () is provided. The lighting device () comprises a light-transmissive enclosure () and alight source (). The light-transmissive enclosure () has an outer surface () and an inner surface () opposite to the outer surface (). The inner surface () at least in part forming a cavity (). The light-transmissive enclosure () has an opening () lying in a transverse plane (P). The light source () is arranged on the transverse plane (P), or on a side of the transverse plane (P) opposite of the light-transmissive enclosure (), and configured to emit light into the cavity (). The light-transmissive enclosure () is arranged around a longitudinal axis (L), the longitudinal axis (L) lying in a longitudinal plane that is perpendicular to the transverse plane (P). The light-transmissive enclosure () has a first part () and a second part () separated from each other by the longitudinal plane (P). The first part () is shaped as a first parabolic segment or a first elliptical segment having a first focal point () that is located on the transverse plane (P). The second part () is shaped as a second parabolic segment or a second elliptical segment having a second focal point () that is located on the transverse plane (P). The light source () is arranged between the first focal point () and the second focal point ().

Lighting device comprising a light-transmissive enclosure

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

A tunable laser based light source for Li-Fi communication comprising a laser (), a first optical element (), and a second optical element (). The first optical element () is configured to reflect and/or refract a scanning beam () emitted from the laser (). The second optical element () is configured to broaden the scanning beam () reflected/refracted by the first optical element (). The scanning beam () is configured to scan a scanning area extending with a first scanning length in a broadening direction (SI) and a second scanning length in a scanning direction (S). The second optical element () is configured to broaden the scanning beam () in the broadening direction (S) to a width larger than the first scanning length, and the laser () and the first optical element () are configured to cooperate to enable the scanning beam () to be swept along the scanning direction (S).

Tunable laser based light source

The invention relates to an illumination device comprising a plurality of LEDs () arranged on a carrier, an optical element disposed in a path of light emitted by at least one of said LEDs (), and a driving unit for operating at least one of said LEDs (). The driving unit in a first operation mode drives at a selected power a first selection of LEDs (, FIG.A) to issue a first beam with a device light flux and with a first beam width, and drives in an at least one further operation mode at said selected power a further selection of LEDs (, FIG.B), different in at least one LED from said first selection, to issue a further beam with said device light flux and with a further beam width wider than the first beam width. The LEDs of the further selection of the LEDs are evenly distributed over the carrier.

Illumination device, lighting system and method of operating the illumination device

The invention provides a lighting system () comprising a lighting unit () and a monolithic support element () for supporting the lighting unit (), wherein the monolithic support element () comprises: &#x2014;a support part () for supporting the lighting unit (), wherein the support part () has a first length (L), wherein the support part () has a support part outer shape and support part outer dimensions, wherein the support part () optionally includes a support part channel () over at least part of the first length (L) having a first cross-sectional area (A); &#x2014;a first duct () having second length (L), wherein the first duct () has a first duct outer shape and first duct outer dimensions, wherein the first duct () comprises a duct channel () over at least part of the second length (L) having a second cross-sectional area (A); &#x2014;a transition part () bridging the support part () and the first duct (); wherein one or mote of (i) the support part outer shape and the first duct outer shape differ, and (ii) the support part outer dimensions and the first duct outer dimensions differ.

Squeezed profile to support lighting

A finned heat sink, folded from a single piece of plate material, includes a base part and a plurality of fins. The base part includes a plurality of fin extensions and at least one support element. The support element includes bridging parts bridging the inter-fin distances, wherein the bridging parts comprise length reducing parts to thereby reduce those inter-fin distances.

Folded sheet metal heat sink

An illumination system for cultivation of aquatic animals is disclosed for cultivation of aquatic animals in a volume of water, the cultivation using a feeding system defining a feeding axis in the volume of water. The system comprises at least a first illumination surface positioned in the volume of water and arranged for illuminating the feeding axis. The system also comprises a second illumination surface positioned in the volume of water and arranged for illuminating the feeding axis. The first illumination surface and second illumination surface are different surfaces arranged to illuminate the feeding axis from substantially different directions.

Illumination system

The invention provides a lighting device () comprising a plurality of light sources () configured to generate light source light (), a plurality of light converter elements (), wherein each light converter element () is radiationally coupled with one or more light sources (), wherein the light sources () are configured at a non-zero distance from the light converter elements (), wherein the light converter elements () are configured to convert at least part of the light source light into light converter light (), the lighting device () further comprising a plurality of compound parabolic concentrators () configured in an array (), each compound parabolic concentrator () having a first end () and a second end (), and having a shape tapering from the first end () to the second end (), wherein the light converter elements () are configured at the second ends () of the compound parabolic concentrators (), wherein the light converter elements () and the compound parabolic concentrators () are configured to provide light converter light () emanating from the first ends () of the compound parabolic concentrators (), and wherein the light converter elements () are in thermal contact with a heat sink ().

Compound parabolic collimator array for high intensity lighting

A light emitting device () comprising a luminescent element () comprising a first face () and a second face (), the first face comprising a light input surface and one of the first face and the second face comprising a light exit surface, the luminescent element () being adapted for receiving first light () with a first spectral distribution emitted by at least one laser light source () at the light input surface, converting at least a part of the first light with the first spectral distribution to second light () with a second spectral distribution, guiding the second light with the second spectral distribution to the light exit surface and coupling at least a part of the second light with the second spectral distribution out of the light exit surface, and a heat sink element () arranged to be in thermal contact with at least a part of the luminescent element () extending between the first face () and the second face (), wherein the first face () comprises a cross-sectional area A and the luminescent element () further comprises a length L being defined as the shortest distance between the first face and the second face and a characteristic length B of the cross sectional area A, the characteristic length B being defined as the square root of the cross sectional area A, and wherein, and wherein the length L and the characteristic length B of the cross sectional area A are chosen such that they satisfy any one of the relations L/B&#x2265;2*E/44(W/mm) for &#x3bb;&#x3c;6 W/mK, L/B&#x2265;1.3*E/44(W/mm) for 6 W/mK&#x2264;&#x3bb;&#x2264;8 W/mK, and L/B&#x2265;0.85*E/44(W/mm) for 8 W/mK&#x3c;&#x3bb;, where Eis the irradiance of the at least one laser light sources measured in W/mmand &#x3bb;is the thermal heat coefficient of the luminescent element at room temperature.

This invention relates to the field of lighting modules employing light emitting diodes (LEDs), and more particularly to LED modules suitable for exposed lens plate luminaires. There is herein provided an LED module having a printed circuit board comprising at least two layers, wherein the interface between two layers at a side surface of the printed circuit board is covered by a protrusion of an optically transmissive cover plate. The same said optically transmissive cover plate is also adapted to cover at least one LED positioned in or on the printed circuit board.

LED module and method of sealing

LED light engine

Luminaire

Growing community of inventors

Eindhoven, Netherlands

Joris Jan Vrehen