公开(公告)号：US20240027802A1

公开(公告)日：2024-01-25

申请号：US18375081

申请日：2023-09-29

Applicant: Japan Display Inc.

Inventor： Takeo KOITO

IPC: G02F1/13 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1362

CPC classification number: G02F1/1323 ,  G02F1/134309 ,  G02F1/133528 ,  G02F1/133512 ,  G02F1/136209 ,  G02F1/1343 ,  G09G2320/068

Abstract: According to an aspect, a view-angle control device includes: a drive layer in which light-transmitting regions and switchable regions are alternately arranged in one direction, each light-transmitting region being configured to transmit light, each switchable region being switchable between a light-transmitting state and a light-blocking state through switching of liquid crystal orientation; and a plurality of optical member layers stacked together with the drive layer. Each optical member layer includes a base member that transmits light and a light-blocking part that is provided at a position overlapping with the switchable region and blocks light. The light-blocking part is disposed on a surface of the base member on a farther side from the drive layer.

公开(公告)号：US20230418108A1

公开(公告)日：2023-12-28

申请号：US18367116

申请日：2023-09-12

Applicant: JAPAN DISPLAY INC.

Inventor： Kojiro IKEDA ,  Takeo KOITO ,  Koichi NAGAO ,  Shinichiro TANAKA

IPC: G02F1/1337 ,  G02F1/1343 ,  G02F1/1347

CPC classification number: G02F1/1337 ,  G02F2201/124 ,  G02F1/1347 ,  G02F1/134309

Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell. The first liquid crystal cell and the second liquid crystal cell each include a first strip electrode, a second strip electrode, a third strip electrode and a fourth strip electrode. The extension direction of each of the first strip electrode and the second strip electrode in the first liquid crystal cell is different from the extension direction of each of the first strip electrode and the second strip electrode in the second liquid crystal cell. The extension direction of each of the first strip electrode and the second strip electrode is orthogonal to the extension direction of each of the third strip electrode and the fourth strip electrode.

公开(公告)号：US20230393428A1

公开(公告)日：2023-12-07

申请号：US18204502

申请日：2023-06-01

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Shuji HAYASHI

IPC: G02F1/1335 ,  G02F1/1343

CPC classification number: G02F1/133512 ,  G02F1/134345 ,  G02F1/133514

Abstract: According to an aspect, a display device capable of outputting individual images to a plurality of viewpoints arranged in a predetermined direction, the display device includes: two light-transmitting substrates that face each other with a liquid crystal layer interposed therebetween; a resin layer that is a light-transmitting layer and stacked between the liquid crystal layer and one substrate positioned on a user side of the two light-transmitting substrates; and a light-shielding barrier provided between the one substrate and the resin layer and having a plurality of openings.

公开(公告)号：US20230359091A1

公开(公告)日：2023-11-09

申请号：US18222154

申请日：2023-07-14

Applicant: Japan Display Inc.

Inventor： Tae KUROKAWA ,  Takeo KOITO ,  Kojiro IKEDA

IPC: G02F1/1343 ,  G02F1/1347

CPC classification number: G02F1/13439 ,  G02F1/1347

Abstract: An optical element includes at least two liquid crystal cells. The at least two liquid crystal cells include a first substrate on which a first transparent electrode and a second transparent electrode are alternately and repeatedly arranged in a first direction, a second substrate on which a third transparent electrode and a fourth transparent electrode are alternately and repeatedly arranged in a second direction intersecting the first direction, and a liquid crystal layer between the first substrate and the second substrate. The second transparent electrode comprises a first bent portion bent in the first direction. The fourth transparent electrode comprises a second bent portion bent in the second direction.

公开(公告)号：US20230131661A1

公开(公告)日：2023-04-27

申请号：US17969008

申请日：2022-10-19

Applicant: Japan Display Inc.

Inventor： Takeo KOITO

IPC: G02F1/1335 ,  G02F1/13357

Abstract: According to an aspect, a display device includes: a plurality of pixels arranged in a first direction; a light source configured to emit light to the pixels; a light-blocking member disposed between the pixels and the light source and provided with slits extending in a direction intersecting the first direction; a first reflector that faces the light-blocking member with the light source in between and reflects light to the light-blocking member; a second reflector that covers at least part of the light source side of the light-blocking member and reflects light to the light source; and a reflective polarizer that is disposed between the first reflector and the pixels, transmits light polarized in a second direction, and reflects light polarized in a direction intersecting the second direction.

公开(公告)号：US20220206347A1

公开(公告)日：2022-06-30

申请号：US17698158

申请日：2022-03-18

Applicant: Japan Display Inc.

Inventor： Masashi MITSUI ,  Takeo KOITO ,  Tae KUROKAWA

IPC: G02F1/1343 ,  G02F1/1347 ,  G02F1/1335

Abstract: According to one embodiment, an optical control device includes a first liquid crystal cell and a second liquid crystal cell. The second liquid crystal cell is stacked on the first liquid crystal cell. The first liquid crystal cell has a function of modulating and converting a first polarization component of incident light into a second polarization component, and hardly modulating and converting a third polarization component of incident light into a fourth polarization component. The second liquid crystal cell has a function of hardly modulating the second polarization component transmitted through the first liquid crystal cell, and modulating the fourth polarization component transmitted through the first liquid crystal cell.

公开(公告)号：US20220155936A1

公开(公告)日：2022-05-19

申请号：US17588522

申请日：2022-01-31

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Takeo KOITO

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/047

Abstract: A touch panel is disclosed herein. In an embodiment, the touch panel includes a substrate with first and second surfaces, a drive electrode facing the first surface, a plurality of touch detection electrodes facing the second surface, and a dummy electrode between adjacent touch detection electrodes. Each touch detection electrode includes a first conductive thin wire extending parallel to the first and second surfaces. The dummy electrode includes a second conductive thin wire extending along the first conductive thin wire. The first conductive thin wire includes a first bent portion and a second bent portion alternately arranged with the first conductive thin wire having a zigzag pattern. The second conductive thin wire includes a third bent portion and a slit that are alternately arranged. The third bent portion is arranged on a virtual straight line formed by virtually connecting the first bent portions of one first conductive thin wire.

公开(公告)号：US20210375222A1

公开(公告)日：2021-12-02

申请号：US17402649

申请日：2021-08-16

Applicant: Japan Display Inc.

Inventor： Takeo KOITO

IPC: G09G3/34 ,  H04N13/376

Abstract: According to one embodiment, a display device includes a display portion and a light control controller. Each of the sub-pixels have a first width along a first direction and a second width along a second direction, the second with being n times as large as the first width where n is a natural number of 2 or more. The light control controller extends in an oblique direction different from the first direction and the second direction and being tilted at approximately 45 degrees to the first direction.

公开(公告)号：US20210373329A1

公开(公告)日：2021-12-02

申请号：US17400261

申请日：2021-08-12

Applicant: Japan Display Inc.

Inventor： Masaaki KABE ,  Takeo KOITO ,  Chikyu NAKAOKA

IPC: G02B27/01 ,  H04N13/363 ,  H04N13/351

Abstract: According to one embodiment, a display device includes a display area, a light control element, a projection surface and at least one of one or more mirrors or one or more lenses. The display area includes subpixels, and includes a first area containing first subpixels in the subpixels and a second area containing second subpixels in the subpixels. The light control element is overlapped with the first area. The projection surface projects an image displayed in the display area. A virtual image perceived by a user who views the projection surface includes a first virtual image corresponding to the first area and perceived as a stereoscopic virtual image, and a second virtual image corresponding to the second area and perceived as a planar virtual image.

公开(公告)号：US20210311362A1

公开(公告)日：2021-10-07

申请号：US17216855

申请日：2021-03-30

Applicant: Japan Display Inc.

Inventor： Junji KOBASHI ,  Takeo KOITO

IPC: G02F1/1335 ,  G02F1/13357

Abstract: The lighting device includes a light source, a geometric phase lens over the light source, and a variable phase difference element over the geometric phase lens. The geometric phase lens is configured to separate into a first light having a focal length +f and a second light having a focal length −f. The variable phase difference element is configured to convert a polarization state of each of the first light and the second light.