US 11,927,848 B2
Light source module and backlight display module
Weineng Chen, Foshan (CN); Danlei Gong, Foshan (CN); Hua Fan, Foshan (CN); Zhonghai Yan, Foshan (CN); Zihao Chen, Foshan (CN); Xiang Chen, Foshan (CN); Yushan Lin, Foshan (CN); Ke Yang, Foshan (CN); and Fabo Liu, Foshan (CN)
Assigned to FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTD., Foshan (CN)
Filed by FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTD., Foshan (CN)
Filed on Sep. 8, 2022, as Appl. No. 17/940,512.
Claims priority of application No. 202111125443.X (CN), filed on Sep. 24, 2021.
Prior Publication US 2023/0095880 A1, Mar. 30, 2023
Int. Cl. G02F 1/13357 (2006.01)
CPC G02F 1/133603 (2013.01) [G02F 1/133605 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A backlight display module, comprising: a light source module, a reflective paper, a light guide plate, and an optical film group, wherein
the light source module comprises a flexible printed circuit board and a plurality of side-emitting light-emitting diodes (LEDs), wherein the flexible printed circuit board extends along a central axis, the plurality of side-emitting LEDs are sequentially arranged along the central axis and bonded to the flexible printed circuit board, and a light-emitting surface of one side-emitting LED of the plurality of side-emitting LEDs is perpendicular to a bonding surface of the flexible printed circuit board, wherein the bonding surface is a surface to which the plurality of side-emitting LEDs are bonded; and the flexible printed circuit board is provided with a windowing groove in which one side-emitting LED of the plurality of side-emitting LEDs is located;
the reflective paper is disposed above the flexible printed circuit board;
the light guide plate is disposed above the reflective paper and on one side of light-emitting surfaces of the plurality of side-emitting light-emitting diodes (LEDs); and
the optical film group is disposed above the light guide plate;
wherein one side-emitting LED of the plurality of side-emitting LEDs is provided with a plastic support and a metal pin embedded in the plastic support; and
wherein the windowing groove comprises a first windowing groove in which the plastic support is located and a second windowing groove in which the metal pin is located.