US 11,886,077 B2
Backlight module, display module and control method therefor, and storage medium
Shubai Zhang, Beijing (CN); Guangquan Wang, Beijing (CN); Haiwei Sun, Beijing (CN); Jian Sang, Beijing (CN); Xuerong Wang, Beijing (CN); Zhiyang Cui, Beijing (CN); Junjie Ma, Beijing (CN); Zhonghua Li, Beijing (CN); Zhen Wang, Beijing (CN); and Junjie Xie, Beijing (CN)
Assigned to BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed by Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed on May 13, 2022, as Appl. No. 17/743,830.
Application 17/743,830 is a continuation of application No. 16/077,089, granted, now 11,372,284, previously published as PCT/CN2018/076078, filed on Feb. 9, 2018.
Claims priority of application No. 201710537929.1 (CN), filed on Jul. 4, 2017.
Prior Publication US 2022/0291550 A1, Sep. 15, 2022
Int. Cl. G02F 1/13357 (2006.01); G02F 1/1335 (2006.01)
CPC G02F 1/133608 (2013.01) [G02F 1/133607 (2021.01); G02F 1/133612 (2021.01)] 20 Claims
OG exemplary drawing
 
1. A backlight module, comprising m backlight components corresponding to m display areas respectively, m is equal to or larger than 2 and is an integer, the m backlight components are capable of emitting light alternately, and areas illuminated by light rays emitted by any two of the m backlight components from their light-emitting side do not overlap;
the backlight module further comprises a main flexible printed circuit board and a secondary flexible printed circuit board corresponding to the m backlight components, wherein:
the secondary flexible printed circuit board comprises m portions corresponding to the m backlight components respectively, first portion and second portion(s) of the m portions are respectively connected to the main flexible printed circuit board, and at least part of the main flexible printed circuit board, the first portion and the second portion(s) are respectively disposed on one side of the backlight components away from the light-emitting side; and
wherein the first portion is the portion closest to the main flexible printed circuit board in the m portions, and the second portion(s) is the portion(s) other than the first portion in the m portions.