US 11,737,303 B2
Organic light-emitting diode display substrate and manufacturing method thereof, display device
Kui Zhang, Beijing (CN); Li Liu, Beijing (CN); Pengcheng Lu, Beijing (CN); and Yunlong Li, Beijing (CN)
Assigned to BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 16/957,292
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Aug. 27, 2019, PCT No. PCT/CN2019/102864
§ 371(c)(1), (2) Date Jun. 23, 2020,
PCT Pub. No. WO2021/035537, PCT Pub. Date Mar. 4, 2021.
Prior Publication US 2023/0118463 A1, Apr. 20, 2023
Int. Cl. H01L 21/00 (2006.01); H10K 50/813 (2023.01); H10K 59/131 (2023.01); H10K 71/00 (2023.01); H10K 50/822 (2023.01); H10K 59/12 (2023.01); H10K 59/88 (2023.01)
CPC H10K 50/813 (2023.02) [H10K 50/822 (2023.02); H10K 59/131 (2023.02); H10K 71/00 (2023.02); H10K 59/1201 (2023.02); H10K 59/88 (2023.02)] 20 Claims
OG exemplary drawing
 
1. An organic light-emitting diode (OLED) display substrate, comprising:
a base substrate, comprising an effective display region and a periphery region surrounding the effective display region;
a driver circuit, located in the base substrate;
a lead wire, located on the base substrate;
an insulating layer, located at a side of the lead wire away from the base substrate;
an anode pattern, located at a side of the insulating layer away from the base substrate and located in the effective display region;
an organic light-emitting layer, located at a side of the anode pattern away from the base substrate; and
a cathode, located at a side of the organic light-emitting layer away from the anode pattern, wherein
the periphery region comprises a lead wire region and a virtual region that are at least partly overlapped; the lead wire is configured to connect the driver circuit and the anode pattern; the lead wire is located in the lead wire region; the virtual region is provided with a virtual anode pattern; the virtual anode pattern is arranged to be insulated from the lead wire; the anode pattern comprises a plurality of anodes; and the virtual anode pattern comprises a plurality of virtual anodes, and
the periphery region further comprises an annular electrode arranged to surround the effective display region; the cathode is electrically connected with the annular electrode; the annular electrode is configured to apply the cathode with a cathode voltage; and the virtual region is located at an outer side of the annular electrode away from the effective display region.