Display device and method that prevent foreign substance generation at a dam wall resulting in higher quality of display for manufacturing same

Invention Grant

US12114522B2 Display device and method that prevent foreign substance generation at a dam wall resulting in higher quality of display for manufacturing same 有权

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Patent Title: Display device and method that prevent foreign substance generation at a dam wall resulting in higher quality of display for manufacturing same
Application No.: US17280840

Application Date: 2018-09-28
Publication No.: US12114522B2

Publication Date: 2024-10-08
Inventor: Tohru Sonoda , Takashi Ochi , Jumpei Takahashi , Tohru Senoo
Applicant: SHARP KABUSHIKI KAISHA
Applicant Address: JP Osaka
Assignee: SHARP KABUSHIKI KAISHA
Current Assignee: SHARP KABUSHIKI KAISHA
Current Assignee Address: JP Sakai
Agency: ScienBiziP, P.C.
International Application: PCT/JP2018/036437 2018.09.28
International Announcement: WO2020/065955A 2020.04.02
Date entered country: 2021-03-26
Main IPC: H10K50/844
IPC: H10K50/844 ; H10K50/84 ; H10K59/131 ; H10K59/12

Display device and method that prevent foreign substance generation at a dam wall resulting in higher quality of display for manufacturing same

Abstract:

In an organic EL display device in which an outer peripheral shape of a display region is a variant shape different from a rectangular shape and having rounded corner portions and a notch portion, a protruding portion having a height equal to or greater than heights of a first dam wall and a second dam wall is provided at positions facing the rounded corner portions and the notch portion in the display region through the second dam wall and the first dam wall positioned inside the second dam wall, on the outer side of the second dam wall in a frame region.

Public/Granted literature

US20220006050A1 DISPLAY DEVICE AND METHOD FOR MANUFACTURING SAME Public/Granted day:2022-01-06

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