Invention Grant
- Patent Title: Composite material, light-emitting element, light-emitting device, electronic device, and lighting device
- Patent Title (中): 复合材料,发光元件,发光装置,电子装置和照明装置
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Application No.: US13419863Application Date: 2012-03-14
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Publication No.: US09385328B2Publication Date: 2016-07-05
- Inventor: Kaori Ogita , Hiromi Nowatari , Harue Osaka , Takahiro Ushikubo , Satoshi Seo , Takako Takasu
- Applicant: Kaori Ogita , Hiromi Nowatari , Harue Osaka , Takahiro Ushikubo , Satoshi Seo , Takako Takasu
- Applicant Address: JP Atsugi-shi, Kanagawa-ken
- Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee Address: JP Atsugi-shi, Kanagawa-ken
- Agency: Robinson Intellectual Property Law Office, P.C.
- Agent Eric J. Robinson
- Priority: JP2011-064629 20110323; JP2011-122829 20110531
- Main IPC: H01L51/54
- IPC: H01L51/54 ; C09K11/06 ; H01L51/00 ; H05B33/14 ; C07F15/00

Abstract:
A composite material which includes an organic compound and an inorganic compound and has a high carrier-transport property is provided. A composite material having a good property of carrier injection into an organic compound is provided. A composite material in which light absorption due to charge-transfer interaction is unlikely to occur is provided. A composite material having a high visible-light-transmitting property is provided. A composite material including a hydrocarbon compound and an inorganic compound exhibiting an electron-accepting property with respect to the hydrocarbon compound is provided. The hydrocarbon compound has a substituent bonded to a naphthalene skeleton, a phenanthrene skeleton, or a triphenylene skeleton and has a molecular weight of 350 to 2000, and the substituent has one or more rings selected from a benzene ring, a naphthalene ring, a phenanthrene ring, and a triphenylene ring.
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