US 11,778,848 B2
Flexible display panel, touch display module, and display device
Fan Li, Beijing (CN); Xinpeng Wang, Beijing (CN); Xiaolong Zhu, Beijing (CN); and Wenxiao Niu, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/423,911
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Jan. 26, 2021, PCT No. PCT/CN2021/073841
§ 371(c)(1), (2) Date Jul. 19, 2021,
PCT Pub. No. WO2021/164510, PCT Pub. Date Aug. 26, 2021.
Claims priority of application No. 202020190037.6 (CN), filed on Feb. 20, 2020.
Prior Publication US 2022/0344615 A1, Oct. 27, 2022
Int. Cl. G06F 3/041 (2006.01); H10K 50/84 (2023.01); H01L 25/18 (2023.01); H10K 102/00 (2023.01)
CPC H10K 50/84 (2023.02) [G06F 3/0412 (2013.01); H01L 25/18 (2013.01); G06F 2203/04102 (2013.01); H10K 50/841 (2023.02); H10K 2102/311 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A flexible display panel, comprising: a display substrate and a spacer arranged on a side of the display substrate away from a display side, wherein the spacer comprises a first side surface facing the display side of the display substrate and a second side surface away from the display side of the display substrate;
the display substrate comprises an arc surface region close to an edge and a panel bending pad bent to the side of the display substrate away from the display side, the panel bending pad is fixed on the second side surface of the spacer; and
a shape of the first side surface of the spacer is consistent with a shape of a portion of the display substrate facing the first side surface of the spacer, and a portion of the second side surface of the spacer corresponding to the arc surface region is a surface comprising a plane or a plurality of planes,
wherein the panel bending pad is attached to the second side surface of the spacer, and
wherein the flexible display panel further comprises: a back film attached to the side of the display substrate away from the display side, wherein the second side surface of the spacer is adhered to the back film in the panel bending pad by an adhesive.