US 11,914,250 B2
Display substrate and manufacturing method thereof and display apparatus
Tao Ma, Beijing (CN); Biao Luo, Beijing (CN); Wei He, Beijing (CN); and Chengshao Yang, Beijing (CN)
Assigned to Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed by Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed on Mar. 27, 2023, as Appl. No. 18/126,728.
Application 18/126,728 is a continuation of application No. 17/836,341, filed on Jun. 9, 2022, granted, now 11,650,461.
Application 17/836,341 is a continuation of application No. 16/650,092, granted, now 11,385,506, issued on Jul. 12, 2022, previously published as PCT/CN2019/105512, filed on Sep. 12, 2019.
Claims priority of application No. 201811441329.6 (CN), filed on Nov. 29, 2018.
Prior Publication US 2023/0236458 A1, Jul. 27, 2023
Int. Cl. G02F 1/1339 (2006.01)
CPC G02F 1/1339 (2013.01) 19 Claims
OG exemplary drawing
 
1. A display substrate, comprising:
a base substrate;
a sealant on the base substrate;
a first layer between the base substrate and the sealant, the first layer comprising at least one first groove; and
a first metal layer,
wherein the at least one first groove is a through hole penetrating the first layer, the at least one first groove is overlapped with the first metal layer, and the at least one first groove is overlapped with the sealant; and
the first layer further comprises at least one second groove, the at least one second groove has a depth different from a depth of the at least one first groove, the at least one second groove is overlapped with the sealant.