US 12,298,623 B2
Display device
Geunhwan Kim, Seoul (KR); Juyoung Joung, Seoul (KR); and Woongjoon Hwang, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/700,879
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Oct. 13, 2021, PCT No. PCT/KR2021/014079
§ 371(c)(1), (2) Date Apr. 12, 2024,
PCT Pub. No. WO2023/063439, PCT Pub. Date Apr. 20, 2023.
Prior Publication US 2024/0411176 A1, Dec. 12, 2024
Int. Cl. G02F 1/13357 (2006.01); G02F 1/1335 (2006.01)
CPC G02F 1/133606 (2013.01) [G02F 1/133605 (2013.01); G02F 1/133608 (2013.01); G02F 1/133614 (2021.01)] 14 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel;
a frame positioned behind the display panel;
a substrate positioned between the display panel and the frame, and coupled to the frame;
a plurality of light sources positioned on the substrate and providing light to the display panel;
a diffusion plate positioned between the display panel and the plurality of light sources;
a film coupled to the substrate between the diffusion plate and the substrate, and through which the plurality of light sources pass; and
a reflective sheet positioned between the film and the substrate, coupled to the film and the substrate, and through which the plurality of light sources pass,
wherein the film comprises a spacer depressed toward the diffusion plate from a rear surface of the film and supporting the diffusion plate,
wherein edges of the reflective sheet are positioned outside edges of the film, and
wherein the reflective sheet comprises an optical pattern which is positioned between the edges of the reflective sheet and the edges of the film, which is formed on the reflective sheet, and which includes a yellow-based phosphor.