US 12,092,926 B2
Backlight module and display device
Dongzi Chen, Guangdong (CN); and Jiao Wang, Guangdong (CN)
Assigned to HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., Guangdong (CN)
Appl. No. 17/620,728
Filed by HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., Guangdong (CN)
PCT Filed Dec. 13, 2021, PCT No. PCT/CN2021/137347
§ 371(c)(1), (2) Date Dec. 19, 2021,
PCT Pub. No. WO2023/097758, PCT Pub. Date Jun. 8, 2023.
Claims priority of application No. 202111459703.7 (CN), filed on Dec. 2, 2021.
Prior Publication US 2024/0027833 A1, Jan. 25, 2024
Int. Cl. G02F 1/13357 (2006.01); G02F 1/1333 (2006.01)
CPC G02F 1/133611 (2013.01) [G02F 1/13336 (2013.01); G02F 1/133603 (2013.01); G02F 1/133606 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A backlight module, composed of a plurality of backlight panels spliced with each other, each of the plurality of backlight panels comprising a body area and a splicing area located on a periphery of the body area, the splicing area being defined as an area adjacent to splicing seams between adjacent ones of the plurality of backlight panels; wherein the backlight panel comprises:
a plurality of first light-emitting units, the plurality of first light-emitting units being arranged in the body area; and
a plurality of second light-emitting units, wherein the plurality of second light-emitting units being arranged in the splicing area,
wherein the plurality of first light-emitting units and the plurality of second light-emitting units are arranged in a matrix, and a brightness per unit area of the body area is lower than a brightness per unit area of the splicing area,
wherein the backlight module further comprises a light-absorbing material, and the light-absorbing material is disposed in the body area,
wherein the backlight module further comprises an encapsulating glue covering the plurality of first light-emitting units, wherein the light-absorbing material is dispersed in the encapsulating glue.