Ceramic body for light emitting devices

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United States of America Patent

PATENT NO 8922111
SERIAL NO

13785708

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Abstract

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Some embodiments disclosed herein include a ceramic body including a first region and a second region. The first region may include a host material and first concentration of a dopant that is effective to produce luminescence. The second region may include the host material and second concentration of the dopant. In some embodiments, the first region has an average grain size that is larger than an average grain of the second region. The ceramic body may, in some embodiments, exhibit superior internal quantum efficiency (IQE). Some embodiments disclosed herein include methods for the making and using the ceramic bodies disclosed herein. Also, some embodiments disclosed herein lighting apparatuses including the ceramic bodies disclosed herein.

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Patent Owner(s)

  • NITTO DENKO CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyagawa, Hiroaki Oceanside, US 51 602
Nakamura, Toshitaka Osaka, JP 72 1130
Zhang, Bin San Diego, US 640 5305

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