Invention Publication
- Patent Title: DISPLAY DEVICE AND METHOD FOR FABRICATING THE DISPLAY DEVICE
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Application No.: US18271582Application Date: 2022-01-17
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Publication No.: US20240065038A1Publication Date: 2024-02-22
- Inventor: Shunpei YAMAZAKI , Satoshi SEO
- Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
- Applicant Address: JP Atsugi-shi, Kanagawa-ken
- Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
- Current Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
- Current Assignee Address: JP Atsugi-shi, Kanagawa-ken
- Priority: JP 21011424 2021.01.27 JP 21011425 2021.01.27
- International Application: PCT/IB2022/050332 2022.01.17
- Date entered country: 2023-07-10
- Main IPC: H10K59/122
- IPC: H10K59/122 ; H10K50/15 ; H10K50/17 ; H10K59/12 ; H10K59/131 ; H10K59/35 ; H10K59/80 ; H10K71/13 ; H10K71/60 ; H10K77/10

Abstract:
A display device in which a puddle in the vicinity of a partition of a light-emitting element is reduced when a light-emitting layer is formed by a wet process is provided. The display device includes a first anode; a second anode adjacent to the first anode in an X direction; a third anode adjacent to the first anode in a Y direction; a hole-injection layer provided across the first anode to the third anode; a partition provided over the hole-injection layer; a first light-emitting layer; a second light-emitting layer; a third light-emitting layer; and a cathode. The partition includes, in a top view, a first region positioned between the first anode and the third anode and extending in the X direction, and a second region positioned between the first anode and the second anode and extending in the Y direction. The height of the first region is larger than the height of the second region in a cross-sectional view of the partition.
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