公开(公告)号：US11754904B2

公开(公告)日：2023-09-12

申请号：US17876549

申请日：2022-07-29

Applicant: Japan Display Inc.

Inventor： Tae Kurokawa ,  Takeo Koito ,  Masashi Mitsui

IPC: G02F1/29 ,  G02F1/137 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1347 ,  G02F1/1335

CPC classification number: G02F1/29 ,  G02F1/13471 ,  G02F1/13712 ,  G02F1/133528 ,  G02F1/133738 ,  G02F1/134309 ,  G02F2201/122 ,  G02F2203/01

Abstract: According to one embodiment, a light control device comprises a first liquid crystal cell includes a first liquid crystal layer, a second liquid crystal cell includes a second liquid crystal layer, and a third liquid crystal cell includes a third liquid crystal layer. The first liquid crystal layer and the third liquid crystal layer each have a first region that scatters a first polarization component and that transmits a second polarization component. The second liquid crystal layer has a third region that overlaps the first region and converts the second polarization component into the first polarization component.

公开(公告)号：US11656527B2

公开(公告)日：2023-05-23

申请号：US17881623

申请日：2022-08-05

Applicant: Japan Display Inc.

Inventor： Tae Kurokawa ,  Takeo Koito ,  Masashi Mitsui

IPC: G02F1/29 ,  G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/29 ,  G02F1/133738 ,  G02F1/133742 ,  G02F1/134309 ,  G02F2201/122 ,  G02F2203/07

Abstract: According to one embodiment, a light control device includes a first liquid crystal cell including a first liquid crystal layer, a second liquid crystal cell including a second liquid crystal layer, and a polarization conversion element. The first liquid crystal layer and the second liquid crystal layer each includes a first region which scatters a first polarized component and transmits a second polarized component and a second region which transmits the first polarized component and scatters the second polarized component. The polarization conversion element overlaps the first region and the second region, converts the first polarized component into the second polarized component, and converts the second polarized component into the first polarized component.

公开(公告)号：US11650464B2

公开(公告)日：2023-05-16

申请号：US17706870

申请日：2022-03-29

Applicant: Japan Display Inc.

Inventor： Takeo Koito ,  Kojiro Ikeda ,  Tae Kurokawa

IPC: G02F1/1339 ,  G02F1/1343

CPC classification number: G02F1/13394 ,  G02F1/13398 ,  G02F1/134309

Abstract: According to an aspect, an optical element includes: a first substrate including a first electrode; a second substrate stacked on the first substrate and including a second electrode; a liquid crystal layer provided between the first substrate and the second substrate; a sealing member extending along an outer periphery of the liquid crystal layer; a first spacer provided on an inner side of the sealing member; and a conductive column provided on an outer side of the sealing member and electrically connecting the first electrode and the second electrode. The conductive column and the first spacer include the same material.

公开(公告)号：US10908452B2

公开(公告)日：2021-02-02

申请号：US16168996

申请日：2018-10-24

Applicant: Japan Display Inc.

Inventor： Takayuki Nakanishi ,  Tatsuya Yata ,  Takeo Koito

IPC: G02F1/1335 ,  G02F1/1337 ,  G02F1/13363 ,  G02F1/1347

Abstract: According to one embodiment, an optical element, including a first liquid crystal lens formed of liquid crystal molecules, a polarizer opposed to the first liquid crystal lens, a first modulating portion located between the first liquid crystal lens and the polarizer to modulate incident light and a first unmodulating portion located between the first liquid crystal lens and the polarizer and adjacent to the first modulating portion.

公开(公告)号：US10884534B2

公开(公告)日：2021-01-05

申请号：US16811505

申请日：2020-03-06

Applicant: Japan Display Inc.

Inventor： Takeo Koito ,  Koji Ishizaki ,  Hayato Kurasawa

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333

Abstract: A detection device is provided and includes a detection electrode including first wire pieces, the detection electrode including a first wire and a second wire; and second wire pieces between the first wire and the second wire, wherein the first wire includes a first bent portion, the second wire includes a second bent portion, the first and second bent portions are formed by two of the first wire pieces including first and second edges, an angle of the first bent portion is different from an angle of the second bent portion, the first edge of the first bent portion is connected to the first edge of the second bent portion by a connecting portion, the second edge of the first bent portion is not in contact with the second edge of the second bent portion, and each of the second wire pieces is not connected to the first wire, the second wire, and the connecting portion.

公开(公告)号：US10585329B2

公开(公告)日：2020-03-10

申请号：US15917961

申请日：2018-03-12

Applicant: Japan Display Inc.

Inventor： Takayuki Nakanishi ,  Tatsuya Yata ,  Takeo Koito

IPC: G02F1/29 ,  G02F1/133 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1333

Abstract: According to one embodiment, a photodetector includes a sensor unit including at least one photosensor, a liquid crystal element including a first substrate includes a plurality of first control electrodes, a second substrate including a second control electrode, and a liquid crystal layer held between the first substrate and the second substrate, a liquid crystal controller which controls a voltage to be applied to the liquid crystal layer for forming a first lens that is opposed to the photosensor in the liquid crystal layer, and a sensor controller which controls the sensor unit.

公开(公告)号：US10473969B2

公开(公告)日：2019-11-12

申请号：US15917062

申请日：2018-03-09

Applicant: Japan Display Inc.

Inventor： Yudai Numata ,  Takeo Koito

IPC: G02B27/22 ,  G02F1/1335 ,  G02B27/28 ,  G09G3/20 ,  G09G3/36 ,  B29D11/00 ,  G02F1/133 ,  G06F1/16 ,  G02F1/13363

Abstract: According to one embodiment, a display device includes first and second retroreflective elements which retroreflect incident light, an optical element which is located between the first retroreflective element and the second retroreflective element, and includes a first surface facing the first retroreflective element and a second surface facing the second retroreflective element and a display unit which is located on a side facing the first surface and emits display light.

公开(公告)号：US10455223B2

公开(公告)日：2019-10-22

申请号：US15478907

申请日：2017-04-04

Applicant: Japan Display Inc.

Inventor： Takeo Koito ,  Daisuke Takama

IPC: G09G5/02 ,  H04N13/31 ,  H04N13/305 ,  H04N13/312 ,  H04N13/324 ,  H04N13/351 ,  G09G3/20

Abstract: A display device including a display part including a pixel of a first series having a first horizontal pixel width and a pixel of a second series having a second horizontal pixel width smaller than the first horizontal pixel width, the pixels of the first series and the pixels of the second series being arrayed alternately in each of a horizontal direction and a vertical direction, and a light beam control part that controls a light beam from the display part or a light beam toward the display part.

公开(公告)号：US20190293949A1

公开(公告)日：2019-09-26

申请号：US16287085

申请日：2019-02-27

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Takeo Koito

IPC: G02B27/09 ,  G02B27/22 ,  G02F1/1335

Abstract: According to one embodiment, display device includes an optical member including a first main surface, and a second main surface on a side opposite to the first main surface, the optical member configured to form an image on a side of the second main surface with light incident from the first main surface, a reflective member including a reflective surface opposed to the first main surface, and a display portion located between the optical member and the reflective member, wherein the reflective member is arranged parallel to the optical member.

公开(公告)号：US10310331B2

公开(公告)日：2019-06-04

申请号：US15955042

申请日：2018-04-17

Applicant: Japan Display Inc.

Inventor： Yoshihiro Sakurai ,  Hironao Tanaka ,  Harumi Okuno ,  Takeo Koito

IPC: G02F1/1337 ,  G02F1/1343

Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.