Invention Grant
- Patent Title: Display device
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Application No.: US17581064Application Date: 2022-01-21
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Publication No.: US11871600B2Publication Date: 2024-01-09
- Inventor: Kenichi Okazaki , Shingo Eguchi , Hiroki Adachi
- 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: Husch Blackwell LLP
- Priority: JP 21011450 2021.01.27
- Main IPC: H01L51/50
- IPC: H01L51/50 ; H10K50/822 ; H10K50/13 ; H10K102/00

Abstract:
A display device with high display quality is provided. The display device includes a first lower electrode, a first EL layer over the first lower electrode, a second lower electrode, a second EL layer over the second lower electrode, an upper electrode over the first EL layer and the second EL layer, a first region not provided with the first lower electrode below the first EL layer, and a second region not provided with the second lower electrode below the second EL layer. In the first region, the upper electrode is positioned not to be in contact with the first lower electrode. In the second region, the upper electrode is positioned not to be in contact with the second lower electrode.
Public/Granted literature
- US20220238836A1 Display Device Public/Granted day:2022-07-28
Information query
IPC分类: