US 12,265,300 B2
Backlight module
Ming Chin Tsai, Hsinchu County (TW); Wen-Tai Shen, Hsinchu County (TW); and Chun-Fu Chuang, Hsinchu County (TW)
Assigned to DARWIN PRECISIONS CORPORATION, Hsinchu County (TW)
Filed by DARWIN PRECISIONS CORPORATION, Hsinchu County (TW)
Filed on Apr. 10, 2024, as Appl. No. 18/631,089.
Claims priority of application No. 112123439 (TW), filed on Jun. 21, 2023.
Prior Publication US 2024/0427193 A1, Dec. 26, 2024
Int. Cl. G02F 1/13357 (2006.01); G02B 6/00 (2006.01); G02F 1/1335 (2006.01)
CPC G02F 1/133607 (2021.01) [G02F 1/133603 (2013.01); G02F 1/133605 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A backlight module, comprising:
a reflective plate having a first surface, a second surface, a plurality of light source grooves and a plurality of first position limiting parts, the first surface opposite to the second surface, the light source grooves extending from the first surface towards the second surface, and respectively having a reflective surface, a light outlet and a bottom side, the light outlet located on the first surface and opposite to the bottom side, the reflective surface located between the light outlet and the bottom side, the first position limiting parts respectively connected to the reflective surfaces, and respectively close to the light outlets;
a plurality of light-emitting elements respectively disposed in the light source grooves, and respectively surrounded by the reflective surfaces; and
a plurality of light guide plates respectively disposed in the light source grooves, and respectively located between the reflective surfaces and the light-emitting elements, wherein the first position limiting parts are respectively adapted to block the light guide plates from being separated from the reflective plate from the light outlets.