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Thomas Yuan, Bernd Keller, James Ibbetson, Eric Tarsa, Gerald Negley: Solid state lighting component. Cree, Koppel Patrick Heybl & Dawson, October 26, 2010: US07821023 (102 worldwide citation)

An LED component comprising an array of LED chips mounted on a planar surface of a submount with the LED chips capable of emitting light in response to an electrical signal. The LED chips comprise respective groups emitting at different colors of light, with each of the groups interconnected in a se ...


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William J Palmteer, Thomas Yuan, Richard Koba: Surface mount package for a high power light emitting diode. M A COM, January 2, 2007: US07157744 (36 worldwide citation)

A package for a light emitting diode (LED) including an electrically insulating substrate layer, a non-conductive layer disposed on the electrically insulating substrate layer, and a reflector layer disposed on the non-conductive layer. The electrically insulating layer includes metallized portions ...


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Thomas Yuan, Bernd Keller, James Ibbetson, Eric Tarsa, Gerald Negley: Solid state lighting component. Cree, Koppel Patrick Heybl & Philpott, July 10, 2012: US08217412 (11 worldwide citation)

An LED component comprising an array of LED chips mounted on a planar surface of a submount with the LED chips capable of emitting light in response to an electrical signal. The LED chips comprise respective groups emitting at different colors of light, with each of the groups interconnected in a se ...


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Thomas Yuan: Wiring block and cover shell arrangement for electric connector. Lorom Industrial, Bacon & Thomas, February 15, 2005: US06854998 (3 worldwide citation)

A wiring block and cover shell arrangement for electric connector in which the wiring block has two smoothly arched bearing walls perpendicularly extended from the front surface of the base thereof and equally spaced from the center of the base at two sides, two sets of parallel crevices symmetrical ...


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Thomas Yuan, Bernd Keller, James Ibbetson, Eric Tarsa, Gerald Negley: Solid state lighting component. Cree, Koppel Patrick Heybl & Philpott, July 7, 2015: US09076940 (2 worldwide citation)

An LED component comprising an array of LED chips mounted on a planar surface of a submount with the LED chips capable of emitting light in response to an electrical signal. The LED chips comprise respective groups emitting at different colors of light, with each of the groups interconnected in a se ...


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Thomas Yuan, Bernd Keller, James Ibbetson, Eric Tarsa, Gerald Negley: Solid state lighting component. Cree, Koppel Patrick Heybl & Philpott, April 15, 2014: US08698171 (2 worldwide citation)

An LED component comprising an array of LED chips mounted on a planar surface of a submount with the LED chips capable of emitting light in response to an electrical signal. The LED chips comprise respective groups emitting at different colors of light, with each of the groups interconnected in a se ...


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Thomas Yuan, Bernd Keller, Eric Tarsa, James Ibbetson, Frederick Morgan, Kevin Dowling, Ihor Lys: Solid state lighting component. CREE, KONINKLIJKE PHILIPS ELECTRONICS, Koppel Patrick Heybl & Philpott, October 17, 2017: US09793247

An LED component according to the present invention comprising an array of LED chips mounted on a submount with the LED chips capable of emitting light in response to an electrical signal. The array can comprise LED chips emitting at two colors of light wherein the LED component emits light comprisi ...


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Antony P van de Ven, Gerald Negley, Thomas Yuan, Bernd Keller, Theodore Lowes: Light emitter array layout for color mixing. CREE, Koppel Patrick Heybl & Philpott, November 1, 2016: US09484329

Solid state lighting components are disclosed having multiple discrete light sources whose light combines to provide the desired emission characteristics. One embodiment of an LED component according to the present invention comprises a rectangular submount. A first group of blue shifted yellow (BSY ...