US 12,092,925 B2
Backlight module and liquid crystal display device
Yuanyuan Ren, Hubei (CN); Mengjie Li, Hubei (CN); Chengxu Ma, Hubei (CN); and Zhuo Zhang, Hubei (CN)
Assigned to WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Hubei (CN)
Appl. No. 17/753,052
Filed by WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Hubei (CN)
PCT Filed Jan. 25, 2022, PCT No. PCT/CN2022/073860
§ 371(c)(1), (2) Date Feb. 16, 2022,
PCT Pub. No. WO2023/137779, PCT Pub. Date Jul. 27, 2023.
Claims priority of application No. 202210055385.6 (CN), filed on Jan. 18, 2022.
Prior Publication US 2024/0036396 A1, Feb. 1, 2024
Int. Cl. G02F 1/13357 (2006.01); F21V 8/00 (2006.01); G02F 1/1335 (2006.01)
CPC G02F 1/133605 (2013.01) [G02B 6/0055 (2013.01); G02B 6/0088 (2013.01); G02B 6/009 (2013.01); G02F 1/133608 (2013.01); G02B 6/0051 (2013.01); G02B 6/0053 (2013.01); G02F 1/133607 (2021.01); G02F 2202/28 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A backlight module, comprising:
a backplane;
a reflective sheet disposed on one side of the backplane; and
an optical film disposed on a side of the reflective sheet away from the backplane,
wherein the backlight module further comprises a slit adhesive, the slit adhesive comprises a first portion located on a folded edge of the backplane and a second portion located on a side of the optical film away from the reflective sheet, and the first portion is formed with a notch; and
wherein the slit adhesive further comprises a stitching line, the stitching line is disposed at the junction of the first portion and the second portion, a distance between the first portion of the slit adhesive and the stitching line is greater than or equal to a distance between the second portion of the slit adhesive and the stitching line, and a width of the first portion of the slit adhesive is larger than or equal to a width of the second portion of the slit adhesive.