US 12,324,118 B2
Splicing screen and display device
Jhongciao Ke, Guangdong (CN)
Assigned to TCL China Star Optoelectronics Technology Co., Ltd., Shenzhen (CN)
Appl. No. 17/770,293
Filed by TCL China Star Optoelectronics Technology Co., Ltd., Guangdong (CN)
PCT Filed Mar. 31, 2022, PCT No. PCT/CN2022/084408
§ 371(c)(1), (2) Date Apr. 20, 2022,
PCT Pub. No. WO2023/173500, PCT Pub. Date Sep. 21, 2023.
Claims priority of application No. 202210261946.8 (CN), filed on Mar. 16, 2022.
Prior Publication US 2024/0147637 A1, May 2, 2024
Int. Cl. H05K 5/30 (2025.01); H01L 25/16 (2023.01)
CPC H05K 5/30 (2025.01) [H01L 25/167 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A splicing screen, comprising:
a plurality of unit panels that are mutually spliced, wherein the plurality of unit panels comprise at least a group of first unit panel and second unit panel that are mutually spliced, the first unit panel comprises a first light emitting device layer defining a display area thereof, the first unit panel further comprises a first array substrate, the first light emitting device layer comprises an extension portion extending to an outer side of one side edge of the first array substrate, the second unit panel comprises a non-display area disposed at least on one side of the display area close to the first unit panel, the second unit panel further comprises a chip on film, and the first light emitting device layer extends and overlaps the non-display area of the second unit panel;
wherein a holding opening extending in a positive direction is formed on the extending portion facing the chip on film, and the holding opening at least partially holds the chip on film.