Invention Grant
- Patent Title: Anthracene derivative, and light-emitting element, light-emitting device, and electronic appliance using the same
- Patent Title (中): 蒽衍生物,发光元件,发光元件以及使用其的电子设备
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Application No.: US11794052Application Date: 2005-12-22
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Publication No.: US07732064B2Publication Date: 2010-06-08
- Inventor: Sachiko Kawakami , Harue Nakashima , Kumi Kojima , Ryoji Nomura , Nobuharu Ohsawa
- Applicant: Sachiko Kawakami , Harue Nakashima , Kumi Kojima , Ryoji Nomura , Nobuharu Ohsawa
- Applicant Address: JP
- Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee Address: JP
- Agency: Husch Blackwell Sanders LLP
- Priority: JP2004-381201 20041228; JP2005-205308 20050714
- International Application: PCT/JP2005/024166 WO 20051222
- International Announcement: WO2006/070897 WO 20060706
- Main IPC: H01L51/50
- IPC: H01L51/50

Abstract:
It is an object of the present invention to provide a light-emitting substance which is resistant to repetition of an oxidation reaction. It is another object of the invention to provide a light-emitting element which is resistant to repetition of a reduction reaction. An aspect of the present invention is an anthracene derivative represented by a general formula (1). In the general formula (1), R1 represents hydrogen or an alkyl group having 1 to 4 carbon atoms; R2 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms, which may have a substituent or no substituent; Ph1 represents a phenyl group, which may have a substituent or no substituent; and X1 represents an arylene group having 6 to 15 carbon atoms.
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