Organic electroluminescence device

US9214636B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9214636-B2
Application numberUS-67953107-A
CountryUS
Kind codeB2
Filing dateFeb 27, 2007
Priority dateFeb 28, 2006
Publication dateDec 15, 2015
Grant dateDec 15, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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Provided is an organic electroluminescence device having a long lifetime and capable of emitting blue light with high luminous efficiency. The organic electroluminescence device has an organic thin film layer composed of one or multiple layers including at least a light emitting layer and interposed between a cathode and an anode. In the organic electroluminescence device, the light emitting layer contains at least one kind selected from compounds each having a specific fluoranthene structure and at least one kind selected from fused ring-containing compounds each having a specific structure.

First claim

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The invention claimed is: 1. An organic electroluminescence device which emits blue fluoresence, comprising: a cathode; an anode; and an organic thin film layer interposed between the cathode and the anode; wherein: the organic thin film layer comprises at least one layer comprising at least one light emitting layer; the light emitting layer comprises: (A) at least one fused ring-containing compound represented by formula (3′a):…

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What does patent US9214636B2 cover?
Provided is an organic electroluminescence device having a long lifetime and capable of emitting blue light with high luminous efficiency. The organic electroluminescence device has an organic thin film layer composed of one or multiple layers including at least a light emitting layer and interposed between a cathode and an anode. In the organic electroluminescence device, the light emitting la…
Who is the assignee on this patent?
Takashima Yoriyuki, Funahashi Masakazu, Ikeda Kiyoshi, and 2 more
What technology area does this patent fall under?
Primary CPC classification H01L51/0058. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Dec 15 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).