ORGANIC LIGHT-EMITTING ELEMENT

ORGANIC LIGHT-EMITTING ELEMENT

The present invention provides an organic light-emitting element, comprising a substrate, a first electrode, more than one organic layer film comprising a light-emitting layer, and a second electrode. The light-emitting element further comprises a cover layer. The cover layer is located on the secon...

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Hauptverfasser: JIN, Guangnan, IKEDA, Takeshi, TANAKA, Daisaku, WANG, Peng, LI, Jincai
Format: Patent
Sprache:eng ; fre ; ger
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ELECTRICITY
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creator JIN, Guangnan
IKEDA, Takeshi
TANAKA, Daisaku
WANG, Peng
LI, Jincai
description The present invention provides an organic light-emitting element, comprising a substrate, a first electrode, more than one organic layer film comprising a light-emitting layer, and a second electrode. The light-emitting element further comprises a cover layer. The cover layer is located on the second electrode, and comprises a high refractive layer and a low refractive layer. A material for the low refractive layer of the cover layer is a boron complex organic small molecular compound. The organic light-emitting element provided by the present invention can achieve high light-emitting efficiency and color reproducibility. The organic light-emitting element of the present invention can be used for an organic EL display, a backlight source of a liquid crystal display, illumination, a sign board, an identification lamp, etc.
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title ORGANIC LIGHT-EMITTING ELEMENT
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