US 11,054,698 B2
Backlight module and display device
Guiyang Zhang, Guangdong (CN); Guowei Zha, Guangdong (CN); Hongqing Cui, Guangdong (CN); and Yong Yang, Guangdong (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 Dec. 10, 2018, as Appl. No. 16/215,630.
Application 16/215,630 is a continuation of application No. PCT/CN2018/107449, filed on Sep. 26, 2018.
Claims priority of application No. 201810552647.3 (CN), filed on May 31, 2018.
Prior Publication US 2019/0369442 A1, Dec. 5, 2019
Int. Cl. G02F 1/13357 (2006.01); G02F 1/1335 (2006.01)
CPC G02F 1/133606 (2013.01) [G02F 1/133516 (2013.01); G02F 1/133603 (2013.01); G02F 1/133607 (2021.01); G02F 1/133614 (2021.01); G02F 2202/28 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A backlight module, comprising a plurality of lamp sources, a fluorescent film, a plurality of first diffusely reflecting layers positioned between the plurality of lamp sources and the fluorescent film, and a plurality of second diffusely reflecting layers positioned in a light emission direction of the fluorescent film; wherein the fluorescent film is positioned in a light emission direction of the plurality of lamp sources, each of the plurality of first diffusely reflecting layers are only arranged right above one of the plurality of lamp sources, and the plurality of second diffusely reflecting layers are positioned on the fluorescent film or inlaid into the fluorescent film; wherein the plurality of second diffusely reflecting layers are spaced apart; and a part of light emitted from the fluorescent film passes through a space between two of the adjacent second diffusely reflecting layers;
wherein each of the plurality of first diffusely reflecting layers and each of the plurality of lamp sources, have a same width.