Organic electroluminescent element, production method for the same, planar light source, lighting device, and display device

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United States of America Patent

PATENT NO 9879176
SERIAL NO

12864193

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Abstract

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An organic electroluminescent element comprising:

    an anode;a cathode; anda light emitting unit arranged between the anode and the cathode and having three or more light emitting layers each containing a polymer compound, whereinthe light emitting layers constituting the light emitting unit emit lights differing from each other in peak wavelength, and a light emitting layer that emits a light with a longer peak wavelength is located closer to the anode.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO CHEMICAL COMPANY LIMITED2-7-1 NIHONBASHI CHUO-KU TOKYO 103-6020

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tanaka, Shin-ya Tsukuba, JP 12 44

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