US 12,114,522 B2
Display device and method that prevent foreign substance generation at a dam wall resulting in higher quality of display for manufacturing same
Tohru Sonoda, Osaka (JP); Takashi Ochi, Osaka (JP); Jumpei Takahashi, Osaka (JP); and Tohru Senoo, Osaka (JP)
Assigned to SHARP KABUSHIKI KAISHA, Sakai (JP)
Appl. No. 17/280,840
Filed by SHARP KABUSHIKI KAISHA, Osaka (JP)
PCT Filed Sep. 28, 2018, PCT No. PCT/JP2018/036437
§ 371(c)(1), (2) Date Mar. 26, 2021,
PCT Pub. No. WO2020/065955, PCT Pub. Date Apr. 2, 2020.
Prior Publication US 2022/0006050 A1, Jan. 6, 2022
Int. Cl. H10K 50/844 (2023.01); H10K 50/84 (2023.01); H10K 59/131 (2023.01); H10K 59/12 (2023.01)
CPC H10K 50/844 (2023.02) [H10K 50/841 (2023.02); H10K 59/131 (2023.02); H10K 59/1201 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a base substrate;
a thin-film transistor (TFT) layer provided on the base substrate;
a light-emitting element provided on the TFT layer;
a sealing film provided to cover the light-emitting element,
a display region for displaying an image by light emission of the light-emitting element; and
a frame region positioned around the display region, wherein,
the frame region is provided with a dam wall surrounding the display region, and the sealing film includes an organic layer provided on an inner side of the dam wall,
the display region is provided in a variant shape including a variant portion, an outer peripheral shape of the variant portion being different from a rectangular shape,
a protruding portion having a height equal to or greater than a height of the dam wall is provided at a position facing the variant portion in the display region through the dam wall on an outer side of the dam wall in the frame region,
the frame region is provided with a lead wiring line electrically connected to a wiring line in the display region,
the dam wall intersects the lead wiring line, and
the protruding portion does not intersect the lead wiring line.