US 12,259,614 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., Wuhan (CN)
Filed by WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Hubei (CN)
Filed on Jul. 16, 2024, as Appl. No. 18/774,778.
Application 18/774,778 is a continuation in part of application No. 17/753,052, granted, now 12,092,925, previously published as PCT/CN2022/073860, filed on Jan. 25, 2022.
Claims priority of application No. 202210055385.6 (CN), filed on Jan. 18, 2022.
Prior Publication US 2024/0369879 A1, Nov. 7, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G02F 1/1335 (2006.01); G02F 1/13357 (2006.01)
CPC G02F 1/133607 (2021.01) [G02F 1/133524 (2013.01); G02F 1/133608 (2013.01)] 20 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 one or more slit adhesives, each 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 one or more notches, and one said slit adhesive has three said notches;
wherein each 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.