US 11,873,975 B2
Backlight module and display device
Yi-Jen Chiu, Kaohsiung (TW); Sung-Fu Wu, Kaohsiung (TW); Jung-Yin Chang, Kaohsiung (TW); and Ya-Yin Tsai, Kaohsiung (TW)
Assigned to Radiant Opto-Electronics Corporation, Kaohsiung (TW)
Filed by Radiant Opto-Electronics Corporation, Kaohsiung (TW)
Filed on Mar. 23, 2023, as Appl. No. 18/188,479.
Application 18/188,479 is a continuation of application No. PCT/CN2022/094623, filed on May 24, 2022.
Prior Publication US 2023/0383928 A1, Nov. 30, 2023
Int. Cl. F21V 19/00 (2006.01); F21Y 115/10 (2016.01)
CPC F21V 19/0015 (2013.01) [F21Y 2115/10 (2016.08)] 11 Claims
OG exemplary drawing
 
1. A backlight module, comprising:
a back frame with at least one perforation;
a LED board, arranged on the back frame and having at least one through portion, wherein the position of the at least one through portion corresponds to the position of the at least one perforation of the back frame;
a plurality of light-emitting elements, arranged on the LED board at intervals;
a fixing frame, combined with the back frame, wherein a part of the fixing frame is positioned in the at least one perforation of the back frame through the at least one through portion of the LED board; and
multiple optical films, stacked on the fixing frame;
wherein the LED board is electric conducted with the plurality of light-emitting elements to emit light outward without propagating light within the LED board;
wherein a joint part of the fixing frame and the back frame on the inner side of the back frame is arranging on the inner side of the back frame;
wherein the at least one through portion of the LED board is recessed inwardly from the edge of the LED board, and the through portion on the edge of the LED board is engaged with the joint part of the fixing frame and the back frame.