公开(公告)号：US20240045282A1

公开(公告)日：2024-02-08

申请号：US18367123

申请日：2023-09-12

Applicant: JAPAN DISPLAY INC.

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

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/134309 ,  G02F1/133788 ,  G02F1/133757

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 the first strip electrode and the second strip electrode in the first liquid crystal cell is different from the extension direction of the first strip electrode and the second strip electrode in the second liquid crystal cell. The extension direction of the first strip electrode and the second strip electrode intersects with the extension direction of the third strip electrode and the fourth strip electrode at an angle other than 90°.

公开(公告)号：US20240045237A1

公开(公告)日：2024-02-08

申请号：US18492067

申请日：2023-10-23

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Kojiro IKEDA ,  Tae KUROKAWA

IPC: G02F1/00 ,  G02F1/01 ,  G02F1/03

CPC classification number: G02F1/0045 ,  G02F1/0105 ,  G02F1/0316 ,  G02F1/0327

Abstract: Disclosed is a lighting device including a light source, a first liquid crystal cell over the light source, and a second liquid crystal cell over the first liquid crystal cell. The light source includes light-emitting elements arranged in a matrix shape with m rows and n columns. The first and second liquid crystal cells each include: a first substrate; first electrode groups located over the first substrate and arranged in a matrix shape with m rows and n columns; a liquid crystal layer over the first electrode groups; and a second substrate over the liquid crystal layer. In each of the first and the second liquid crystal cells, the first electrode groups each have first electrodes extending in a row direction, and the light-emitting elements in a jth row and a kth column overlaps the first electrode group located in the jth row and the kth column.

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：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：US20230306921A1

公开(公告)日：2023-09-28

申请号：US18198531

申请日：2023-05-17

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Kentaro OKUYAMA ,  Masaaki KABE

IPC: G09G3/36 ,  G02F1/1334

CPC classification number: G09G3/3607 ,  G02F1/1334

Abstract: A display device is provided and includes first light-transmitting substrate; second light-transmitting substrate opposed to the first light-transmitting substrate; liquid crystal layer between the first light-transmitting substrate and the second light-transmitting substrate; first electrode and a second electrode disposed so as to sandwich the liquid crystal layer; and light emitter comprising a first light emitter configured to emit light in a first color, a second light emitter configured to emit light in a second color, and a third light emitter configured to emit light in a third color, wherein first light emitter has a temperature characteristic in which a relative light intensity decreases more with increase in a heating temperature than in the case of the second light emitter and the third light emitter.

公开(公告)号：US20230133222A1

公开(公告)日：2023-05-04

申请号：US18148027

申请日：2022-12-29

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Tenfu NAKAMURA ,  Kentaro OKUYAMA

IPC: G02F1/1343 ,  G02F1/1334

Abstract: According to one embodiment, a display device includes a first substrate having a first transparent substrate and a pixel electrode, a second substrate having a second transparent substrate, a first common electrode, a second common electrode, and an insulating film disposed between the first common electrode and the second common electrode, and a liquid crystal layer. The first common electrode is disposed between the liquid crystal layer and the insulating film, and includes a first opening and a first electrode portion. The second common electrode is disposed between the insulating film and the second transparent substrate, and includes a second electrode portion overlapping the first opening.

公开(公告)号：US20230040499A1

公开(公告)日：2023-02-09

申请号：US17973724

申请日：2022-10-26

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Kentaro OKUYAMA ,  Tenfu NAKAMURA

IPC: G02F1/1362 ,  G02F1/1333 ,  G09G3/36

Abstract: A display device includes a liquid crystal layer between a first substrate and a second substrate. The first substrate includes a wiring line and a pixel electrode. The liquid crystal layer includes a stripe-shaped polymer extending in a first direction and a liquid crystal molecule. The liquid crystal layer includes a first polymer in an area overlapping the wiring line and a second polymer in an area overlapping the pixel electrode. The first polymer includes a first portion extending in a direction different from the first direction. The second polymer includes a second portion extending in a direction different from the first direction. A density of the first portion is higher than a density of the second portion.

公开(公告)号：US20210405465A1

公开(公告)日：2021-12-30

申请号：US17474205

申请日：2021-09-14

Applicant: Japan Display Inc.

Inventor： Tenfu NAKAMURA ,  Kojiro IKEDA ,  Kentaro OKUYAMA

IPC: G02F1/1343 ,  G02F1/1334 ,  G02F1/1339

Abstract: According to one embodiment, a display device includes a first substrate including a pixel electrode, a second substrate including a common electrode, a liquid crystal layer located between the first substrate and the second substrate and containing polymer and liquid crystal molecules, and a light emitting element opposed to an end surface of the second substrate, the common electrode being separated from the pixel electrode by a first distance, at a first position, the common electrode being separated from the pixel electrode by a second distance, at a second position more separated from the light emitting element than the first position, the second distance being smaller than the first distance.

公开(公告)号：US20210232010A1

公开(公告)日：2021-07-29

申请号：US17231179

申请日：2021-04-15

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA ,  Kojiro IKEDA

IPC: G02F1/1362 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first substrate including a first transparent substrate, a wiring portion, and a pixel electrode, a second substrate including a second transparent substrate, a common electrode opposed to the pixel electrode, a light-shielding layer overlapping the wiring portion between the second transparent substrate and the common electrode, and a transparent layer disposed between the second transparent substrate and the light-shielding layer, a liquid crystal layer including a stripe-shaped polymer and liquid crystal molecules, and light-emitting elements. A refractive index of the transparent layer is less than a refractive index of the second transparent substrate.

公开(公告)号：US20160307487A1

公开(公告)日：2016-10-20

申请号：US15084531

申请日：2016-03-30

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Masaaki KABE ,  Akira SAKAIGAWA

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G2300/0452 ,  G09G2340/0457

Abstract: A display device 10 includes are arranged in a matrix form and to which image information is input, and a signal processing unit 20. The signal processing unit 20 includes a rendering position deciding unit that decides whether or not a sub-pixel rendering process of changing input signal values of sub-pixels of a second pixel among a first pixel, the second pixel, and the third pixel is performed, a pattern information acquiring unit that acquires an arrangement of the sub-pixels in a processing direction of either of a portrait mode and a landscape mode as pattern information indicating a first arrangement pattern or a second arrangement pattern, and a rendering unit that performs a first sub-pixel rendering process or a second sub-pixel rendering process on the input signals of the sub-pixels of the second pixel based on the decision of the rendering position deciding unit and the pattern information.

Abstract translation: 显示装置10包括以矩阵形式布置并输入图像信息的信号处理单元20.信号处理单元20包括渲染位置决定单元，其判定是否改变了子像素渲染处理 执行第一像素，第二像素和第三像素中的第二像素的子像素的输入信号值，图案信息获取单元，获取在肖像中的任一个的处理方向上的子像素的排列 模式和横向模式作为指示第一布置图案或第二布置图案的图案信息，以及渲染单元，对所述子像素的子像素的输入信号执行第一子像素渲染处理或第二子像素渲染处理 基于渲染位置决定单元的决定和图案信息的第二像素。