Invention Grant
- Patent Title: Quinoxaline derivative, and light emitting element, light emitting device, and electronic appliance using the same
- Patent Title (中): 喹喔啉衍生物,发光元件,发光元件及使用其的电子器具
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Application No.: US11518484Application Date: 2006-09-08
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Publication No.: US07901792B2Publication Date: 2011-03-08
- Inventor: Masakazu Egawa , Sachiko Kawakami , Nobuharu Ohsawa , Hideko Inoue , Satoshi Seo , Ryoji Nomura
- Applicant: Masakazu Egawa , Sachiko Kawakami , Nobuharu Ohsawa , Hideko Inoue , Satoshi Seo , Ryoji Nomura
- Applicant Address: JP
- Assignee: Semiconductor Energy laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy laboratory Co., Ltd.
- Current Assignee Address: JP
- Agency: Husch Blackwell LLP
- Priority: JP2005-264253 20050912
- Main IPC: H01L51/54
- IPC: H01L51/54

Abstract:
A quinoxaline derivative expressed by the general formula (1) is provided. (Each of R1 to R12 represents one of a hydrogen atom, a halogen atom, an alkyl group, an alkoxyl group, an acyl group, a dialkyl amino group, a diarylamino group, a substituted or unsubstituted vinyl group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocycle group. Ar1 represents one of a substituted or unsubstituted biphenyl group and a substituted or unsubstituted terphenyl group, and Ar2 represents one of a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, and a substituted or unsubstituted monocyclic heterocycle group.)
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