公开(公告)号：US20240385478A1

公开(公告)日：2024-11-21

申请号：US18636694

申请日：2024-04-16

Applicant: Sharp Display Technology Corporation

Inventor： Takako KOIDE ,  Takashi SATOH

IPC: G02F1/1335

Abstract: Provided is a liquid crystal display device including: a first substrate; a second substrate opposite to the first substrate; and a liquid crystal layer between the first substrate and the second substrate, and includes pixels arranged in a matrix pattern. The pixels each include a reflective region in which display is provided in a reflective mode and a transmissive region in which display is provided in a transmissive mode. At least one of the pixels further includes a light blocking region inside the transmissive region. The second substrate includes a second substrate side insulating layer and a color filter layer sequentially toward the liquid crystal layer. The second substrate side insulating layer is placed in the reflective region and the light blocking region. A film thickness of the color filter layer in the transmissive region is greater than a film thickness of the color filter layer in the reflective region.

公开(公告)号：US20220276537A1

公开(公告)日：2022-09-01

申请号：US17671913

申请日：2022-02-15

Applicant: Sharp Display Technology Corporation

Inventor： Yuichi KAWAHIRA ,  Takako KOIDE ,  Masahiro HASEGAWA ,  Akira SAKAI

IPC: G02F1/13363 ,  G02F1/1335

Abstract: The liquid crystal display device includes: a first polarizer having a first transmission axis; a liquid crystal panel; a second polarizer having a second transmission axis; a biaxial retarder having a slow axis parallel to the second transmission axis; a third polarizer having a third transmission axis parallel to the second transmission axis; and a backlight, a back side polarizer portion that includes the second polarizer, the biaxial retarder, and the third polarizer satisfying the following formula (1): ΔYI2=YI2′− YI2

公开(公告)号：US20230314885A1

公开(公告)日：2023-10-05

申请号：US18126338

申请日：2023-03-24

Applicant: Sharp Display Technology Corporation

Inventor： Yasuhiro HASEBA ,  Takako KOIDE

IPC: G02F1/1362 ,  C09K19/30 ,  C09K19/06

CPC classification number: G02F1/136222 ,  C09K19/3003 ,  C09K19/062 ,  C09K19/3098 ,  C09K2019/3004

Abstract: A liquid crystal display device includes, in sequence, a backlight, a first substrate including a color filter layer, a liquid crystal layer containing a liquid crystal composition, and a second substrate. The liquid crystal composition contains a liquid crystal compound having a phenyl group and a conjugated bond group. The phenyl group has a halogen atom substituted for at least one hydrogen atom. The conjugated bond group is conjugated with the phenyl group to form a continuous conjugated system.