Invention Application
- Patent Title: Light-Emitting Device, Light-Emitting Apparatus, Electronic Device, and Lighting Device
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Application No.: US17431517Application Date: 2020-02-12
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Publication No.: US20220149308A1Publication Date: 2022-05-12
- Inventor: Satoshi SEO , Harue OSAKA , Naoaki HASHIMOTO , Shunpei YAMAZAKI
- 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
- Priority: JP2019-028421 20190220
- International Application: PCT/IB2020/051103 WO 20200212
- Main IPC: H01L51/50
- IPC: H01L51/50
Abstract:
A light-emitting device with a long lifetime is provided. In a light-emitting device that includes an EL layer between a pair of electrodes, a light-emitting layer included in the EL layer has a functional stacked-layer structure, whereby the efficiency and reliability of the light-emitting device can be increased.
Public/Granted literature
- US12185558B2 Light-emitting device, light-emitting apparatus, electronic device, and lighting device Public/Granted day:2024-12-31
Information query
IPC分类:
