Invention Grant
- Patent Title: Display device including sealing layers having optimized wettability
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Application No.: US16975006Application Date: 2018-02-26
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Publication No.: US11380871B2Publication Date: 2022-07-05
- Inventor: Yixin Yang , Yoshifumi Ohta , Jumpei Takahashi
- Applicant: SHARP KABUSHIKI KAISHA
- Applicant Address: JP Sakai
- Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee Address: JP Sakai
- Agency: ScienBiziP, P.C.
- International Application: PCT/JP2018/007015 WO 20180226
- International Announcement: WO2019/163134 WO 20190829
- Main IPC: H01L51/52
- IPC: H01L51/52 ; H01L27/32 ; H01L51/56

Abstract:
A display device includes: a base substrate having a display area and a frame area, the display area to display an image, the frame area surrounding the display area; a light-emitting element in the display area; and a sealing film provided in the display area and the frame area so as to cover the light-emitting element, the sealing film including a first inorganic film, an organic film, and a second inorganic film, wherein the first inorganic film covers the light-emitting element, a third inorganic film is provided between the first inorganic film and the organic film, the third inorganic film having higher wettability for a liquid drop, the organic film on the first inorganic film covers the third inorganic film, and the second inorganic film covers the peripheral end portion of the first inorganic film and the organic film.
Information query
IPC分类: