US 12,007,640 B2
Liquid crystal display device
Koji Murata, Kameyama (JP); Yasuhiro Haseba, Kameyama (JP); Kazutaka Hanaoka, Kameyama (JP); Kimiaki Nakamura, Kameyama (JP); Mariko Honda, Kameyama (JP); Atsuko Kanashima, Kameyama (JP); Tadashi Hasegawa, Kameyama (JP); and Shinji Shimada, Kameyama (JP)
Assigned to SHARP DISPLAY TECHNOLOGY CORPORATION, Kameyama (JP)
Filed by Sharp Display Technology Corporation, Kameyama (JP)
Filed on Oct. 25, 2023, as Appl. No. 18/383,548.
Application 18/383,548 is a continuation of application No. 17/852,411, filed on Jun. 29, 2022, granted, now 11,852,911.
Claims priority of application No. 2021-110811 (JP), filed on Jul. 2, 2021.
Prior Publication US 2024/0094577 A1, Mar. 21, 2024
Int. Cl. G02F 1/1334 (2006.01); G02F 1/13357 (2006.01); G02F 1/1337 (2006.01); G02F 1/137 (2006.01)
CPC G02F 1/1334 (2013.01) [G02F 1/133603 (2013.01); G02F 1/1337 (2013.01); G02F 1/13706 (2021.01)] 15 Claims
OG exemplary drawing
 
1. A liquid crystal display device comprising, sequentially from its viewing surface side toward its back surface side:
a first liquid crystal panel;
a light source; and
a second liquid crystal panel,
the first liquid crystal panel including a polymer dispersed liquid crystal containing a polymer network and liquid crystal components,
the light source being configured to emit light toward the second liquid crystal panel so that the emitted light is reflected by the second liquid crystal panel and then incident in an oblique direction on a back surface side main surface of the first liquid crystal panel.