US 12,169,341 B2
Display panels and manufacturing methods thereof, display devices and spliced display devices
Bin Wu, Beijing (CN); Wei Zhong, Beijing (CN); Xiaodi Sun, Beijing (CN); Haijun Shi, Beijing (CN); Bochang Wang, Beijing (CN); Chunguang Tian, Beijing (CN); and Hongbo Feng, Beijing (CN)
Assigned to Beijing BOE Display Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 18/024,046
Filed by Beijing BOE Display Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Oct. 27, 2021, PCT No. PCT/CN2021/126718
§ 371(c)(1), (2) Date Feb. 28, 2023,
PCT Pub. No. WO2022/205872, PCT Pub. Date Oct. 6, 2022.
Claims priority of application No. 202110352204.1 (CN), filed on Mar. 31, 2021.
Prior Publication US 2024/0027852 A1, Jan. 25, 2024
Int. Cl. G02F 1/1345 (2006.01); G02F 1/133 (2006.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01); G02F 1/1362 (2006.01)
CPC G02F 1/1345 (2013.01) [G02F 1/13306 (2013.01); G02F 1/133314 (2021.01); G02F 1/133531 (2021.01); G02F 1/136209 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display panel, comprising: a color filter substrate, an array substrate and a first conductive portion, wherein a display region and a peripheral region are formed on the display panel, and the peripheral region surrounds the display region;
the color filter substrate is opposite to the array substrate; the array substrate comprises pixel circuits and a second conductive portion, wherein the pixel circuits are located in the display region, and the second conductive portion is located in the peripheral region; the second conductive portion is connected with the pixel circuits; the pixel circuits and the second conductive portion are located on a side of the array substrate facing the color filter substrate; the second conductive portion is in a same layer as source electrodes or drain electrodes of transistors in the pixel circuits; and
the first conductive portion is located on a side surface of the array substrate and a side surface of the color filter substrate, a first end of the first conductive portion is located on the side surface of the color filter substrate, a second end of the first conductive portion is located on the side surface of the array substrate, and the first conductive portion is connected with the second conductive portion;
wherein the color filter substrate comprises a third light shielding layer and a fourth light shielding layer;
the peripheral region comprises a first sub-region and a second sub-region, wherein the first sub-region is located between the display region and the first conductive portion, and the second sub-region is a region other than the first sub-region in the peripheral region;
a projection of the third light shielding layer on the array substrate is located within the first sub-region, and a projection of the fourth light shielding layer on the array substrate is located within the second sub-region; and
a width of the third light shielding layer is 0.6˜1.0 mm, and a width of the fourth light shielding layer is 0.25˜0.5 mm.