US 12,262,587 B2
Heat dissipation film for display module, and preparation method of display device
Enjian Yang, Beijing (CN); Hao Sun, Beijing (CN); Liang Gao, Beijing (CN); Ajuan Du, Beijing (CN); Xing Peng, Beijing (CN); Shuang Zhang, Beijing (CN); Dong Wang, Beijing (CN); Bin Wang, Beijing (CN); Feifan Li, Beijing (CN); Hufei Yang, Beijing (CN); and Xiaoxia Huang, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/770,639
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Jul. 7, 2021, PCT No. PCT/CN2021/104912
§ 371(c)(1), (2) Date Apr. 21, 2022,
PCT Pub. No. WO2022/042060, PCT Pub. Date Mar. 3, 2022.
Claims priority of application No. 202010876839.7 (CN), filed on Aug. 27, 2020.
Prior Publication US 2022/0376202 A1, Nov. 24, 2022
Int. Cl. H01L 51/52 (2006.01); H05K 7/20 (2006.01); H10K 50/86 (2023.01); H10K 50/87 (2023.01); H10K 71/00 (2023.01)
CPC H10K 50/87 (2023.02) [H05K 7/20954 (2013.01); H10K 50/865 (2023.02); H10K 71/00 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A heat dissipation film for a display module, comprising a composite structure layer and a removable protective film disposed on the composite structure layer, wherein the composite structure layer has a first side surface and a second side surface disposed opposite to each other, and is provided with a reserved hole penetrating through the first side surface and the second side surface, the first side surface of the composite structure layer is configured to be adhered to a side of the display module facing away from a display side, and the protective film is attached to the second side surface of the composite structure layer;
the protective film is provided with a shielding region covering the reserved hole, the shielding region and the rest of the protective film is can be independently torn off from the composite structure layer, the shielding region is provided with a cut-off line, and the cut-off line communicates inside of the reserved hole with a side of the protective film facing away from the composite structure layer.