Organic electroluminescent device

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United States of America Patent

PATENT NO 9882136
SERIAL NO

14402219

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Abstract

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An organic electroluminescent device having a capping layer composed of material having a high refractive index that involves only small differences in refractive indices measured in the blue, green, and red wavelength regions, excelling in thin film stability and durability and having no absorption in the respective wavelength ranges of blue, green, and red is provided to improve device characteristics of the organic electroluminescent device, particularly to greatly improve the coupling-out efficiency.

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Patent Owner(s)

  • HODOGAYA CHEMICAL CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoki, Yoshikazu Tsukuba, JP 30 98
Hayashi, Shuichi Tokyo, JP 93 333
Nagaoka, Makoto Tsukuba, JP 40 258
Tsuji, Motonori Tsukuba, JP 6 11

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