Signify Holding B.v.

Koninklijke Philips Corporation N.v.

Lumencor, Inc.

Johannes Martinus Jansen

Dirk Kornelis Gerhardus De Boer

Christoph Gerard August Hoelen

Ludovicus Johannes Lambertus Haenen

Simon Eme Kadijk

Hendrik Johannes Boudewijn Jagt

Norbertus Antonius Maria Sweegers

Jianghong Yu

Rémy Cyrille Broersma

Marcellus Jacobus Johannes Van Der Lubbe

Leendert Van Der Tempel

Daniël Anton Benoy

Cornelis Johannes Maria Denissen

Oliver Boehme

Abraham Vamattathil Scaria

Wilhelmus Johannes Jacobus Welters

Anna Wilhelmina Maria De Best

Marten Willem Schuiteman

Daniel Anton Benoy

Gerald Frederik Belder

Thomas Frings

Peter Henri Backen

The present invention relates to a method for joining at least two flexible foils (-). The method comprises the steps of (i) providing a first flexible foil () having a first row () of light emitting diodes () and a first set of electrically conductive tracks () for supplying current to the first row () of light emitting diodes (), (ii) providing a second flexible foil () having a pot second row () of light emitting diodes () and a second set of electrically conductive tracks () for supplying current to the second row () of light emitting diodes (), and (iii) joining the first flexible foil () and the second flexible foil () at an overlap () of the first flexible foil () and the second flexible foil (), wherein a metal strip or wire () gets embedded between the first flexible foil () and the second flexible foil () at the overlap, and wherein the metal strip or wire () electrically connects to the first and second sets of electrically conductive tracks ().

Method for joining flexible foils comprising LEDs

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

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

The invention provides a lighting device () comprising: &#x2014;one or more light sources () configured to provide light source light (); &#x2014;a luminescent element () comprising an elongated light transmissive body (); the elongated light transmissive body () comprising a luminescent material () configured to convert at least part of light source light () received at one or more radiation input faces () into luminescent material light (), and the luminescent element () configured to couple at least part of the luminescent material light () out at the first radiation exit window () as converter light (); wherein the light transmissive body () has a first index of refraction n1; &#x2014;a beam shaping optical element () optically coupled with the first radiation exit window (), the beam shaping optical element comprising a radiation entrance window () configured to receive at least part of the converter light (); wherein the beam shaping optical element () has a second index of refraction n2; wherein: &#x2212;0.75&#x2264;n1/n2&#x2264;1.25; 15 &#x2014;the beam shaping optical element () or an optical connector () configured between the elongated light transmissive body () and the beam shaping optical element () comprise a glass material (), wherein the glass material () is based on at least one or more of bismuth oxide, boron oxide, potassium oxide, lithium oxide, phosphorus oxide, lead oxide, tin oxide, antimony oxide, tellurium oxide, silicon dioxide, and vanadium oxide.

Light concentrator module with high refractive index interconnect

A lamp includes an envelope of a vitreous composition, having a pinched part at least one end to form a seal isolating an interior of the envelope from the environment of the envelope, and an arrangement for conducting electrical current to the interior of the envelope, having a section embedded in one of the pinched parts of the envelope and a section external to the envelope. At least part of embedded section of the arrangement for conducting electrical current is at least partly surrounded by a composition including at least one of phosphorus in a non-volatile form and an acid thereof.

Lamp and method of manufacturing a lamp

Growing community of inventors

Veldhoven, Netherlands

Johannes Martinus Jansen