Invention Grant
- Patent Title: Light-emitting element, light-emitting device, electronic device, and lighting device
- Patent Title (中): 发光元件，发光元件，电子元件及照明器具
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Application No.: US14101623Application Date: 2013-12-10
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Publication No.: US09257655B2Publication Date: 2016-02-09
- Inventor: Hiroki Suzuki , Satoshi Seo , Sachiko Kawakami , Tsunenori Suzuki
- Applicant: Semiconductor Energy Laboratory Co., Ltd.
- 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: JP2012-270021 20121211
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C07D209/86 ; H01L51/50
Abstract:
Provided is a light-emitting element which has high emission efficiency and a long lifetime and is driven at low voltage. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer includes a compound which gives a first peak at a m/z of around 266.10 in a mass spectrum.
Public/Granted literature
- US20140159011A1 Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device Public/Granted day:2014-06-12
Information query
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