Invention Grant
- Patent Title: Light-emitting element, light-emitting device, electronic device, and lighting device
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Application No.: US14922636Application Date: 2015-10-26
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Publication No.: US10074822B2Publication Date: 2018-09-11
- Inventor: Satoshi Seo , Tsunenori Suzuki , Takeyoshi Watabe , Kunihiko Suzuki , Toshiki Hamada , Rina Nakamura , Hayato Yamawaki , Ayumi Sato , Harue Osaka
- Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
- Applicant Address: JP Kanagawa-ken
- Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee Address: JP Kanagawa-ken
- Agency: Nixon Peabody LLP
- Agent Jeffrey L. Costellia
- Priority: JP2014-219648 20141028
- Main IPC: H01L51/50
- IPC: H01L51/50 ; H01L51/00

Abstract:
To provide a novel light-emitting element or a highly reliable light-emitting element. To provide a light-emitting device, a display device, an electronic device, and a lighting device each of which can be manufactured at a low cost. To provide a light-emitting element including an anode, a cathode, and an EL layer between the anode and the cathode. The EL layer includes a light-emitting layer and an electron injection transport layer between the light-emitting layer and the cathode, and the amount of a halogen detected from a material forming the electron injection transport layer is less than or equal to 30 ppm.
Public/Granted literature
- US20160118615A1 LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE Public/Granted day:2016-04-28
Information query
IPC分类: