US 11,686,893 B2
Backlight module and display device
Cheng-Te Chang, Kaohsiung (TW); Hung-Wei Chuang, Kaohsiung (TW); Yu-Ju Lee, Kaohsiung (TW); and Pei-Fen Hou, Kaohsiung (TW)
Assigned to Radiant Opto-Electronics Corporation, Kaohsiung (TW)
Filed by Radiant Opto-Electronics Corporation, Kaohsiung (TW)
Filed on Sep. 20, 2022, as Appl. No. 17/948,391.
Claims priority of application No. PCT/CN2021/120297 (WO), filed on Sep. 24, 2021.
Prior Publication US 2023/0099119 A1, Mar. 30, 2023
Int. Cl. F21V 8/00 (2006.01); F21V 7/04 (2006.01); F21V 7/00 (2006.01); F21V 17/06 (2006.01); F21Y 105/16 (2016.01)
CPC G02B 6/0031 (2013.01) [F21V 7/0083 (2013.01); F21V 7/041 (2013.01); F21V 17/06 (2013.01); G02B 6/0068 (2013.01); G02B 6/0081 (2013.01); F21Y 2105/16 (2016.08)] 13 Claims
OG exemplary drawing
 
1. A backlight module, comprising:
a back plate;
a circuit board disposed on the back plate;
a reflective sheet located on the back plate, wherein the reflective sheet forms a plurality of openings;
a plurality of light-emitting elements located in the openings and arranged on the circuit board;
at least one optical element disposed on the reflective sheet;
at least one supporting element located between the back plate and the reflective sheet, wherein the supporting element can move along with the reflective sheet, the supporting element has a base portion and a supporting portion extending from the base portion towards the optical element, the base portion of the at least one supporting element is located between the back plate and the reflective sheet, and the supporting portion of the at least one supporting element passes through the reflective sheet to support the optical element; and
wherein the base portion of the at least one supporting element is not directly fixed to the circuit board or the back plate.