US 12,253,711 B2
Backlight module, display module and display apparatus
Dake Wang, Beijing (CN); Tianma Li, Beijing (CN); Liang Li, Beijing (CN); Xiaoli Liu, Beijing (CN); Xuefeng Ding, Beijing (CN); and Qijun Zhang, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Chengdu (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 18/026,086
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Apr. 19, 2022, PCT No. PCT/CN2022/087759
§ 371(c)(1), (2) Date Mar. 13, 2023,
PCT Pub. No. WO2023/201544, PCT Pub. Date Oct. 26, 2023.
Prior Publication US 2024/0310573 A1, Sep. 19, 2024
Int. Cl. F21V 8/00 (2006.01); G02F 1/1333 (2006.01); G02F 1/13357 (2006.01)
CPC G02B 6/0088 (2013.01) [G02F 1/133308 (2013.01); G02F 1/1336 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A backlight module, comprising:
a back plate, comprising:
a bottom plate, and
a vertical plate connected with an edge of the bottom plate,
wherein the vertical plate and the bottom plate enclose a mounting space;
a backlight component, located in the mounting space and fixedly connected with the back plate; and
a rigid rear shell, covering a side of the back plate away from the backlight component;
wherein the rigid rear shell comprises:
a function part corresponding to the bottom plate, and
an edge part arranged around the back plate;
wherein a preset gap exists between the function part and the bottom plate;
wherein the bottom plate of the back plate is provided with at least one first connecting part, the first connecting part is provided with a first screw hole, the function part of the rigid rear shell is provided with a second connecting part in one-to-one correspondence to the first connecting part, the second connecting part is provided with a second screw hole corresponding to the first screw hole, the first connecting part and the second connecting part are connected through a fixing screw penetrating into the first screw hole and the second screw hole, and a first gap exists between the first connecting part and the second connecting part;
the first connecting part and the back plate are manufactured in one piece, the first connecting part is a convex hull protruding towards the rigid rear shell, an end of the first connecting part away from the rigid rear shell is connected with and flush with the bottom plate, an end of the convex hull away from the bottom plate is provided with a plane part opposite to the rigid rear shell, the plane part is provided with the first screw hole, and the first gap exists between the plane part and the second connecting part.