US 11,747,679 B2
Display panel and manufacturing method of the same
Jianming Liu, Beijing (CN); Chaoyue Wang, Beijing (CN); and Wenbo Dong, Beijing (CN)
Assigned to HEFEI BOE DISPLAY TECHNOLOGY CO., LTD, Anhui (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 16/969,683
Filed by HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., Anhui (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Nov. 7, 2019, PCT No. PCT/CN2019/116322
§ 371(c)(1), (2) Date Aug. 13, 2020,
PCT Pub. No. WO2021/087882, PCT Pub. Date May 14, 2021.
Prior Publication US 2022/0326557 A1, Oct. 13, 2022
Int. Cl. G02F 1/1339 (2006.01); G02F 1/1343 (2006.01); G02F 1/1335 (2006.01); G02F 1/1347 (2006.01)
CPC G02F 1/1339 (2013.01) [G02F 1/1347 (2013.01); G02F 1/133512 (2013.01); G02F 1/133528 (2013.01); G02F 1/134345 (2021.01); G02F 2203/48 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a display liquid crystal panel comprising a plurality of sub-pixels arranged in an array;
a dimming liquid crystal panel located on a light incident side of the display liquid crystal panel and comprising a plurality of dimming pixels arranged in an array, the dimming liquid crystal panel is configured to adjust a light transmittance of a corresponding dimming pixel according to gray-levels of different areas of a screen displayed by the display liquid crystal panel;
a sealant in a frame shape located between the dimming liquid crystal panel and the display liquid crystal panel, wherein a surface of the sealant close to the dimming liquid crystal panel is adhered to the dimming liquid crystal panel, and a surface of the sealant close to the display liquid crystal panel is adhered to the display liquid crystal panel; and
a plurality of support units located between the display liquid crystal panel and the dimming liquid crystal panel and located inside the sealant,
wherein each of the plurality of support units and the sealant have a same material compression rate,
wherein a width of the sealant is 2 mm to 5 mm, and a distance between an outer edge of the sealant and an edge of the dimming liquid crystal panel is 0.5 mm to 2 mm, and
wherein the display liquid crystal panel further comprises a second polarizer located on one side of the plurality of sub-pixels away from the dimming liquid crystal panel and having a haze of 15%-30%.