US 12,072,573 B2
Backlight assembly, display panel and display device
Changjia Fu, Beijing (CN); Dan Li, Beijing (CN); Haijun Shi, Beijing (CN); Bochang Wang, Beijing (CN); Fei Dong, Beijing (CN); and Enliang Zhang, Beijing (CN)
Assigned to BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 18/005,098
Filed by BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Jun. 29, 2021, PCT No. PCT/CN2021/103071
§ 371(c)(1), (2) Date Jan. 11, 2023,
PCT Pub. No. WO2023/272482, PCT Pub. Date Jan. 5, 2023.
Prior Publication US 2023/0266617 A1, Aug. 24, 2023
Int. Cl. G02F 1/13357 (2006.01); F21V 8/00 (2006.01)
CPC G02F 1/133603 (2013.01) [G02B 6/0073 (2013.01); G02F 1/133608 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A backlight assembly, comprising:
a work region, comprising a center region and an edge region surrounding the center region;
a light-emitting element, at least in the center region;
a light guide plate, in the work region, and configured to conduct light emitted by the light-emitting element and allow the light to exit from the work region; and
a light guide structure, at a side of the light guide plate close to the light-emitting element, and arranged along at least part of an edge of the light guide plate, wherein the light guide structure is configured to allow a part of the light emitted by the light-emitting element to enter the edge region;
wherein the light guide structure is light-transmitted; and
wherein the backlight assembly comprises a plurality of the light guide structures, the plurality of light guide structures are along the at least part of the edge of the light guide plate and spaced apart from each other, the plurality of light guide structures are configured that the light emitted by the light-emitting element passes through the plurality of light guide structures at positions of the plurality of light guide structures to reach the edge region and passes through the light guide plate at intervals between adjacent light guide structures of the plurality of light guide structures to reach the edge region.