Invention Grant
- Patent Title: Light-emitting element, light-emitting device, and electronic device
- Patent Title (中): 发光元件，发光元件及电子元件
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Application No.: US10579804Application Date: 2005-11-22
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Publication No.: US07646010B2Publication Date: 2010-01-12
- Inventor: Sachiko Kawakami , Kumi Kojima , Satoshi Seo , Ryoji Nomura , Daisuke Kumaki , Hisao Ikeda , Junichiro Sakata
- Applicant: Sachiko Kawakami , Kumi Kojima , Satoshi Seo , Ryoji Nomura , Daisuke Kumaki , Hisao Ikeda , Junichiro Sakata
- 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: JP2004-342717 20041126
- International Application: PCT/JP2005/021933 WO 20051122
- International Announcement: WO2006/057420 WO 20060601
- Main IPC: H01L35/24
- IPC: H01L35/24 ; H01L51/00
Abstract:
It is an object of the present invention to provide a light-emitting element capable of reducing malfunction due to oxidation and crystallization of a compound. According to one aspect of the present invention, a light-emitting element has a first electrode and a second electrode, a first layer and a second layer formed between the first electrode and the second electrode, wherein the first layer contains an anthracene derivative and a substance that shows electron acceptability to the anthracene derivative, wherein the second layer contains a light emitting substance. According to one aspect of a light-emitting device of the present invention, any one of the above light-emitting elements is used as a pixel or a light source.
Public/Granted literature
- US20070152572A1 Light-emitting element, light-emitting device, and electronic device Public/Granted day:2007-07-05
Information query
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