LED module

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United States of America Patent

PATENT NO 8410504
APP PUB NO 20110073898A1
SERIAL NO

12994867

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a LED module which converts pump light from a LED chip (120) to light at another wavelength, which is emitted from the module. The conversion takes place in a portion of a luminescent material (124). The color purity of the LED module is enhanced by reducing any leakage of pump light using a reflector in combination with an absorber. In one embodiment, the absorber is integrated as one or several thin absorbing layers between the layers of a multi-layer reflection filter (126); this may yield an even higher reduction of pump light leakage from the module.

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Patent Owner(s)

  • KONINKLIJKE PHILIPS ELECTRONICS N.V.;PHILIPS LIGHTING HOLDING B.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Diederich, Thomas Stolberg, DE 16 46
Hunsche, Berno Aachen, DE 6 17
Jagt, Hendrik Johannes Boudewijn Eindhoven, NL 39 610
Van, Sprang Hendrik Adrianus Eindhoven, NL 10 40

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