US 11,809,034 B2
Display substrate, display panel and display device
Bo Shi, Beijing (CN); Bo Wu, Beijing (CN); Tianwen Hou, Beijing (CN); and Lei Dai, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 16/977,310
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Chengdu (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Nov. 20, 2019, PCT No. PCT/CN2019/119727
§ 371(c)(1), (2) Date Sep. 9, 2022,
PCT Pub. No. WO2021/097715, PCT Pub. Date May 27, 2021.
Prior Publication US 2022/0404665 A1, Dec. 22, 2022
Int. Cl. G02F 1/1339 (2006.01); G02F 1/1335 (2006.01); G02F 1/1343 (2006.01)
CPC G02F 1/133514 (2013.01) [G02F 1/13394 (2013.01); G02F 1/133512 (2013.01); G02F 1/134336 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display substrate, comprising:
a color filter layer, comprising a display sub-pixel and a dummy sub-pixel, the display sub-pixel being located in a display region of a first base substrate, the display sub-pixel comprising a first display sub-pixel, a second display sub-pixel, a third display sub-pixel, and a fourth display sub-pixel, colors of emitted light of the first display sub-pixel, the second display sub-pixel, the third display sub-pixel, and the fourth display sub-pixel being different from each other; the dummy sub-pixel being located in a periphery region of the first base substrate, the periphery region being at least located at one side of the display region, the periphery region comprising a dummy region close to the display region and an edge region away from the display region, the dummy sub-pixel being located in the dummy region, the dummy sub-pixel comprising a first dummy sub-pixel, a second dummy sub-pixel, a third dummy sub-pixel, and a fourth dummy sub-pixel, materials of the first dummy sub-pixel, the second dummy sub-pixel, the third dummy sub-pixel, and the fourth dummy sub-pixel being the same as materials of the first display sub-pixel, the second display sub-pixel, the third display sub-pixel and the fourth display sub-pixel, respectively; and
a spacer, comprising a plurality of first spacers and a plurality of second spacers, the plurality of first spacers being located in the periphery region, the plurality of second spacers being located in the display region,
wherein an orthographic projection of each of the plurality of first spacers on the first base substrate has no overlap with an orthographic projection of the dummy sub-pixel on the first base substrate.