US 12,235,534 B2
Spliced display panel and spliced display device
Jun Zhao, Guangdong (CN); Bin Zhao, Guangdong (CN); Juncheng Xiao, Guangdong (CN); Hongyuan Xu, Guangdong (CN); Feng Zheng, Guangdong (CN); and Wenxue Huo, Guangdong (CN)
Assigned to TCL China Star Optoelectronics Technology Co., Ltd., Shenzhen (CN)
Appl. No. 17/769,792
Filed by TCL China Star Optoelectronics Technology Co., Ltd., Guangdong (CN)
PCT Filed Apr. 13, 2022, PCT No. PCT/CN2022/086625
§ 371(c)(1), (2) Date Apr. 18, 2022,
PCT Pub. No. WO2023/173521, PCT Pub. Date Sep. 21, 2023.
Claims priority of application No. 202210270458.3 (CN), filed on Mar. 18, 2022.
Prior Publication US 2024/0160057 A1, May 16, 2024
Int. Cl. G02F 1/1339 (2006.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01)
CPC G02F 1/13336 (2013.01) [G02F 1/133524 (2013.01); G02F 1/133614 (2021.01); G02F 1/1339 (2013.01); G02F 2201/44 (2013.01); G02F 2202/28 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A spliced display panel, comprising:
at least two first display modules being spliced, a first display module of the at least two first display modules having a display area and a frame area, the frame area being disposed with a sealant, two adjacent frame areas forming a spliced region and the sealant covering the spliced region, the spliced region being transparent, and the first display module having a display surface and a non-display surface disposed oppositely; and
a second display module, the second display module being disposed on one side of the non-display surface away from the display surface, and a projection of the second display module on the non-display surface corresponding to the spliced region;
wherein the spliced display panel further comprises an optically clear adhesive having a first adhesive portion and a second adhesive portion, a seam is present between adjacent two of the first display modules, the first adhesive portion is filled in the seam, a first end of the first adhesive portion is flush with the display surface and a second end of the first adhesive portion is flush with the non-display surface, the second adhesive portion is filled between the second display module and the non-display surface, and the second end of the first adhesive portion is connected with a middle of the second adhesive portion to define a T shape.