US 12,072,589 B2
Dimming panel and manufacturing method therefor, and dimming glass and manufacturing method therefor
Bin Zhao, Beijing (CN); Shuai Xu, Beijing (CN); and Chuncheng Che, Beijing (CN)
Assigned to BEIJING BOE SENSOR TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/762,118
Filed by Beijing BOE Sensor Technology Co., Ltd., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed May 10, 2021, PCT No. PCT/CN2021/092557
§ 371(c)(1), (2) Date Mar. 21, 2022,
PCT Pub. No. WO2022/236521, PCT Pub. Date Nov. 17, 2022.
Prior Publication US 2024/0045285 A1, Feb. 8, 2024
Int. Cl. G02F 1/1347 (2006.01); G02F 1/1335 (2006.01); G02F 1/1339 (2006.01)
CPC G02F 1/1347 (2013.01) [G02F 1/133601 (2021.01); G02F 1/1339 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A dimming panel, wherein the dimming panel comprises at least one dimming module; the at least one dimming module comprises a first substrate and a second substrate disposed oppositely, and a dimming layer disposed between the first substrate and the second substrate; and
the dimming layer comprises a region to be cut and a dimming region connected to the region to be cut, the region to be cut comprises at least one definition part, the dimming region comprises a plurality of dimming parts, the at least one definition part is disposed between adjacent dimming parts, and configured to be capable of being cut to segment the adjacent dimming parts, and the plurality of dimming parts are configured to control transmittances of lights under an action of an electric field;
the at least one definition part is configured to be obtained after deforming a deformable structure;
the deformable structure comprises an expandable structure;
wherein the expandable structure comprises an inner core layer and a cladding layer surrounding the inner core layer, a material of the inner core layer comprises a foaming agent, and a material of the cladding layer comprises a thermoplastic polymer; the at least one definition part is configured to be obtained after the expandable structure is thermally expanded and cured.