Compound having indenocarbazole ring structure, and organic electroluminescent device

US9196837B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9196837-B2
Application numberUS-201113812995-A
CountryUS
Kind codeB2
Filing dateJul 29, 2011
Priority dateJul 30, 2010
Publication dateNov 24, 2015
Grant dateNov 24, 2015

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Abstract

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An organic compound with excellent characteristics excelling in hole-injecting/transporting performance and having electron blocking ability, high stability in a thin-film state and high luminous efficiency is provided as material for an organic electroluminescent device. The compound of a general formula ( 1 ) having an indenocarbazole ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes and one or more organic layers sandwiched between the pair of electrodes.

First claim

Opening claim text (preview).

The invention claimed is: 1. A compound of the following general formula (1) having an indenocarbazole ring structure, wherein A represents a divalent group of a substituted or unsubstituted aromatic hydrocarbon, a divalent group of a substituted or unsubstituted aromatic heterocyclic ring, or a divalent group of substituted or unsubstituted condensed polycyclic aromatics; Ar 1…

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What does patent US9196837B2 cover?
An organic compound with excellent characteristics excelling in hole-injecting/transporting performance and having electron blocking ability, high stability in a thin-film state and high luminous efficiency is provided as material for an organic electroluminescent device. The compound of a general formula ( 1 ) having an indenocarbazole ring structure is used as a constituent material of …
Who is the assignee on this patent?
Yokoyama Norimasa, Nagaoka Makoto, Togashi Kazunori, and 3 more
What technology area does this patent fall under?
Primary CPC classification C07D209/70. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Nov 24 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).