US 11,874,546 B2
Display device
Kazuki Ichihara, Tokyo (JP); Naoyuki Asano, Tokyo (JP); and Motoki Tsuda, Tokyo (JP)
Assigned to Japan Display Inc., Tokyo (JP)
Filed by Japan Display Inc., Tokyo (JP)
Filed on Feb. 16, 2023, as Appl. No. 18/110,394.
Claims priority of application No. 2022-034678 (JP), filed on Mar. 7, 2022.
Prior Publication US 2023/0280609 A1, Sep. 7, 2023
Int. Cl. G02F 1/1333 (2006.01); G02F 1/1334 (2006.01); G02F 1/13357 (2006.01)
CPC G02F 1/133308 (2013.01) [G02F 1/1334 (2013.01); G02F 1/133615 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A display device, comprising:
a display panel including a polymer-dispersed liquid crystal layer between a pair of substrates;
a transparent substrate disposed on at least one side of the display panel; and
a lighting unit configured to project light from the side of the transparent substrate,
wherein the lighting unit comprises:
at least one light source;
at least one light guide incident with the light emitted from the light source; and
a support member having an L-shaped cross section and extending along one side of the display panel to which the at least one light source and the at least one light guide are fixed,
wherein the at least one light source and the at least one light guide are disposed on different sides of the support member,
wherein the lighting unit is fixed to the transparent substrate or the display panel by the support member with the at least one light guide positioned on the side of the transparent substrate, and
wherein the at least one light source is mounted on a printed circuit board, and the printed circuit board is led out through a slit-shaped through hole formed in the support member.