US 12,276,880 B2
Liquid crystal display device
Fumikazu Shimoshikiryoh, Kameyama (JP); Shinichi Terashita, Kameyama (JP); and Kouichi Watanabe, Kameyama (JP)
Assigned to Sharp Display Technology Corporation, Mie (JP)
Filed by Sharp Display Technology Corporation, Kameyama (JP)
Filed on Oct. 11, 2023, as Appl. No. 18/378,856.
Claims priority of application No. 2022-185663 (JP), filed on Nov. 21, 2022.
Prior Publication US 2024/0168327 A1, May 23, 2024
Int. Cl. G02F 1/1335 (2006.01); G02F 1/1333 (2006.01); G02F 1/1337 (2006.01); G02F 1/1343 (2006.01); G02F 1/1362 (2006.01); G02F 1/1368 (2006.01)
CPC G02F 1/133553 (2013.01) [G02F 1/133345 (2013.01); G02F 1/133738 (2021.01); G02F 1/136227 (2013.01); G02F 1/1368 (2013.01); G02F 1/13338 (2013.01); G02F 1/13439 (2013.01); G02F 2203/02 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A liquid crystal display device comprising:
a first substrate;
a second substrate disposed closer to a viewer side than the first substrate;
a liquid crystal layer provided between the first substrate and the second substrate;
a polarizer disposed closer to the viewer side than the liquid crystal layer;
a retardation layer disposed between the polarizer and the liquid crystal layer; and
a plurality of pixels arrayed in a matrix shape including a plurality of rows and a plurality of columns,
wherein each one of the plurality of pixels includes a reflective region for display in a reflection mode,
the first substrate includes:
a thin film transistor corresponding to each one of the plurality of pixels,
a pixel electrode electrically connected to the thin film transistor,
a reflective layer located at least in the reflective region, and
a common electrode adjacent to the pixel electrode with a dielectric layer interposed between the pixel electrode and the common electrode,
at least one of the pixel electrode and the common electrode includes at least one slit,
the reflective layer is formed of a conductive material and electrically connected to the common electrode,
the reflective layer has a layered structure including a metal layer and a transparent conductive layer,
the metal layer includes at least one opening, and
the transparent conductive layer is formed with a portion overlapping the at least one opening.