US 11,994,283 B2
Display backlight having LED device with transparent LED frame
Zhonghua Jin, Shenzhen (CN); Lianjian Deng, Shenzhen (CN); Zhicai Guo, Shenzhen (CN); and Longjie Xiong, Shenzhen (CN)
Assigned to Shenzhen Jufei Optoelectronics Co., Ltd., Shenzhen (CN)
Appl. No. 17/787,658
Filed by Shenzhen Jufei Optoelectronics Co., Ltd., Shenzhen (CN)
PCT Filed Dec. 28, 2020, PCT No. PCT/CN2020/139835
§ 371(c)(1), (2) Date Jun. 21, 2022,
PCT Pub. No. WO2021/129852, PCT Pub. Date Jul. 1, 2021.
Claims priority of application No. 201922369251.8 (CN), filed on Dec. 25, 2019.
Prior Publication US 2022/0412534 A1, Dec. 29, 2022
Int. Cl. F21V 5/00 (2018.01); F21Y 105/00 (2016.01); F21Y 115/10 (2016.01)
CPC F21V 5/007 (2013.01) [F21Y 2105/00 (2013.01); F21Y 2115/10 (2016.08)] 9 Claims
OG exemplary drawing
 
1. An LED device applicable to a backlight module, wherein the LED device comprises:
a transparent LED frame;
an LED chip disposed at a bottom portion of the transparent LED frame;
a packaging glue layer formed inside the transparent frame and covering the LED chip; and
an anti-glare light-blocking layer disposed on the packaging glue layer, wherein the anti-glare light-blocking layer does not completely cover an upper surface of the packaging glue layer;
wherein a diffusion agent is distributed in the packaging glue layer;
wherein a surface of the packaging glue layer away from the bottom portion of the transparent LED frame is a concave surface.