US 12,408,540 B2
Display device and method for preparing same
Jiejie Wu, Huizhou (CN); and Liuxi Jiang, Huizhou (CN)
Appl. No. 17/599,574
Filed by HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD, Huizhou (CN); and SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Shenzhen (CN)
PCT Filed Jul. 22, 2021, PCT No. PCT/CN2021/107948
§ 371(c)(1), (2) Date Sep. 29, 2021,
PCT Pub. No. WO2023/283990, PCT Pub. Date Jan. 19, 2023.
Claims priority of application No. 202110795166.7 (CN), filed on Jul. 14, 2021.
Prior Publication US 2024/0032407 A1, Jan. 25, 2024
Int. Cl. H10K 59/80 (2023.01); H10K 59/12 (2023.01); H10K 102/00 (2023.01)
CPC H10K 59/8792 (2023.02) [H10K 59/1201 (2023.02); H10K 59/872 (2023.02); H10K 2102/351 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device, comprising a display panel and a packaging cover plate that are disposed opposite to each other, wherein the display panel comprises a first display area and a first non-display area disposed on a periphery of the first display area, the packaging cover plate comprises a second display area and a second non-display area disposed on a periphery of the second display area, the first display area corresponds to the second display area, the first non-display area corresponds to the second non-display area, a groove is provided in the second non-display area and is defined in a top surface of the packaging cover plate away from the display panel, and a light-shielding layer is disposed in the groove;
wherein a top surface of the light-shielding layer is flush with the top surface of the packaging cover plate in which the groove is defined;
wherein a polarizer is disposed on the top surface of the packaging cover plate and covers the groove such that the light-shielding layer in the groove is sandwiched and disposed securely between the packaging cover plate and the polarizer;
wherein the groove has two opposite inner sidewalls and an inner bottom wall formed between the sidewalls, and the inner sidewalls and the inner bottom wall of the groove contact and cooperatively encompass the light-shielding layer;
wherein the inner sidewalls and the inner bottom wall of the groove form a U-shaped cross-section, each of the inner sidewalls is a closed-loop structure, and the inner bottom wall is a closed-loop structure.