公开(公告)号：US11852933B2

公开(公告)日：2023-12-26

申请号：US17867734

申请日：2022-07-19

Applicant: Sharp Display Technology Corporation

Inventor： Takehisa Yoshida ,  Fumikazu Shimoshikiryoh ,  Shigeyuki Yamada

IPC: G02F1/1362

CPC classification number: G02F1/136222 ,  G02F1/136286

Abstract: A liquid crystal display device includes a display region, and includes a first liquid crystal panel including a color filter layer, an illumination device provided on a back face side of the first liquid crystal panel, and a second liquid crystal panel arranged between the first liquid crystal panel and the illumination device and not including a color filter layer. The second liquid crystal panel includes a first dimming region defined by a plurality of pixels arranged in a matrix including a plurality of rows and a plurality of columns and facing the display region, and a second dimming region that is defined by a plurality of additional pixels each including an unshaded opening region, and is located outside the first dimming region.