公开(公告)号：US20170287983A1

公开(公告)日：2017-10-05

申请号：US15626563

申请日：2017-06-19

Applicant: Japan Display Inc.

Inventor： Masaaki KABE ,  Hidemasa YAMAGUCHI ,  Kojiro IKEDA ,  Akira SAKAIGAWA

IPC: H01L27/32 ,  G09G3/32

CPC classification number: H01L27/32 ,  G09G3/2003 ,  G09G3/32 ,  G09G2300/0452 ,  H01L27/3216 ,  H01L27/3218 ,  H01L27/3244

Abstract: A display device includes a display unit in which pixels are arranged in a matrix. The pixels each include a first sub-pixel having the largest area among sub-pixels, a second sub-pixel adjacent to the first sub-pixel and having an area smaller than that of the first sub-pixel, and a third sub-pixel adjacent to the first and second sub-pixels, having an area smaller than that of the first sub-pixel, and arranged in the same column as that of second sub-pixels. First, second, and third pixels are aligned in at least one of a column direction or a row direction and each include the first, second, and third sub-pixels that can display different one of first, second, and third colors. Areas of the first, second, and third colors displayable by the first, second, and third pixels in total are equal to one another.

公开(公告)号：US20160155371A1

公开(公告)日：2016-06-02

申请号：US14933369

申请日：2015-11-05

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Masaaki KABE ,  Akira SAKAIGAWA

IPC: G09G3/20 ,  G09G3/32

Abstract: A display device includes a display unit in which a plurality of pixels are arranged. One pixel includes four sub-pixels, and the display unit includes: a pixel including one each of four sub-pixels of four different colors that are a first color, a second color, a third color, and a fourth color; and a pixel including four sub-pixels, where two of the four sub-pixels are identical and are one of sub-pixels of the first color, the second color, and the third color, and remaining two of the four sub-pixels are different two of the sub-pixels of the first color, the second color, and the third color but are not one of the identical sub-pixels.

Abstract translation: 显示装置包括其中布置有多个像素的显示单元。 一个像素包括四个子像素，并且显示单元包括：包括四种不同颜色的四个子像素中的每一个的像素，其为第一颜色，第二颜色，第三颜色和第四颜色中的每一个; 以及包括四个子像素的像素，其中四个子像素中的两个相同，并且是第一颜色，第二颜色和第三颜色的子像素之一，并且四个子像素中的剩余两个是 第一颜色，第二颜色和第三颜色的不同的两个子像素，但不是相同子像素中的一个。

公开(公告)号：US20240102633A1

公开(公告)日：2024-03-28

申请号：US18523430

申请日：2023-11-29

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Takeo KOITO ,  Tae KUROKAWA

IPC: F21V9/40 ,  G02F1/1343 ,  G02F1/1347

CPC classification number: F21V9/40 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/1347

Abstract: A lighting device includes a light source having a first optical element and a second optical element emitting directional light, and one liquid crystal optical element transmitting or diffusing the light emitted from the light source. The first and the second optical elements include a first and a second light exit surfaces, and the first and the second light exit surfaces are arranged to direct in different directions. The liquid crystal optical element has a second electrode group arranged adjacent to a first electrode group. The first electrode group has a first transparent electrode and a second transparent electrode. The second electrode group has a third transparent electrode and a fourth transparent electrode. A pitch at which the first transparent electrodes and the second transparent electrodes are alternately arranged is different from a pitch at which the third transparent electrodes and the fourth transparent electrodes are alternately arranged.

公开(公告)号：US20240019107A1

公开(公告)日：2024-01-18

申请号：US18373462

申请日：2023-09-27

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Tae KUROKAWA ,  Kojiro IKEDA

IPC: F21V14/00 ,  G02F1/1343 ,  G02F1/1347

CPC classification number: F21V14/003 ,  G02F1/134309 ,  G02F1/1347

Abstract: Disclosed is an illumination 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. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate, a plurality of first lower electrodes and a plurality of second lower electrodes driven independently, a first liquid crystal layer, and a second substrate. The first substrate has a first region and a second region. The plurality of first lower electrodes is located over the first region and extends in a column direction. The plurality of second lower electrodes is located over the second region and extends in the column direction. The first liquid crystal layer is located over the plurality of first lower electrodes and the plurality of second lower electrodes. The second substrate is located over the first liquid crystal layer.

公开(公告)号：US20240004239A1

公开(公告)日：2024-01-04

申请号：US18369005

申请日：2023-09-15

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Takeo KOITO ,  Tae KUROKAWA

IPC: G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/133753 ,  G02F1/134309

Abstract: A liquid crystal light control device includes a first liquid crystal cell, a second liquid crystal cell overlapping the first liquid crystal cell, a third liquid crystal cell overlapping the second liquid crystal cell, and a fourth liquid crystal cell overlapping the third liquid crystal cell. Each of the first, second, third, and the fourth liquid crystal cells includes, a first substrate including a first alignment film, a second substrate including an electrode having a strip pattern and a second alignment film, and a liquid crystal layer between the first substrate and the second substrate. An alignment direction of the first alignment film and an alignment direction of the second alignment film are aligned to intersect each other. A longitudinal direction of the strip pattern of the electrode having the strip pattern is arranged to intersect an alignment direction of the second alignment film.

公开(公告)号：US20230418119A1

公开(公告)日：2023-12-28

申请号：US18242645

申请日：2023-09-06

Applicant: JAPAN DISPLAY INC.

Inventor： Kojiro IKEDA ,  Takeo KOITO

IPC: G02F1/1343 ,  G02F1/1347

CPC classification number: G02F1/13439 ,  G02F1/1347

Abstract: According to one embodiment, each of a first liquid crystal to a fourth liquid crystal cell includes a first strip electrode, a second strip electrode, a third strip electrode, and a fourth strip electrode, the first strip electrode to the fourth strip electrode of the first liquid crystal cell and the first strip electrode to the fourth strip electrode of the third liquid crystal cell have a first shape, and the first strip electrode to the fourth strip electrode of the second liquid crystal cell and the first strip electrode to the fourth strip electrode of the fourth liquid crystal cell have a second shape that is different from the first shape.

公开(公告)号：US20230367056A1

公开(公告)日：2023-11-16

申请号：US18223749

申请日：2023-07-19

Applicant: JAPAN DISPLAY INC.

Inventor： Tenfu NAKAMURA ,  Kentaro OKUYAMA ,  Kojiro IKEDA

IPC: F21V8/00 ,  G02F1/1362

CPC classification number: G02B6/005 ,  G02F1/136286 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first transparent substrate, a second transparent substrate, a liquid crystal layer, a third transparent substrate having a first side surface, a second side surface, and an inner surface, a transparent layer arranged on the inner surface, and light emitting elements. The transparent layer includes a band-shaped portion extending from the first side surface toward the second side surface and a frame-shaped portion formed in a frame shape surrounding the band-shaped portion. The band-shaped portion is separated from the frame-shaped portion. A width of the band-shaped portion on a first side surface side is larger than a width of the band-shaped portion on a second side surface side.

公开(公告)号：US20220214588A1

公开(公告)日：2022-07-07

申请号：US17656279

申请日：2022-03-24

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Tenfu NAKAMURA ,  Kentaro OKUYAMA

IPC: G02F1/1362 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer which includes a stripe-like polymer and first liquid crystal molecules having responsiveness to an electric field, a light source and a transparent film which includes second liquid crystal molecules which are not responsive to an electric field. The second liquid crystal molecules have a large inclination angle with respect to the horizontal plane of the transparent film in a first region that is separate from the light source, and have, in a second region positioned between the light source and the first region, a smaller inclination angle than the inclination angle in the first region with respect to the horizontal plane of the transparent film.

公开(公告)号：US20220179269A1

公开(公告)日：2022-06-09

申请号：US17651845

申请日：2022-02-21

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Tenfu NAKAMURA ,  Kentaro OKUYAMA ,  Zhengyi GOU ,  Hisanori KAWAKAMI

IPC: G02F1/1362 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first light guide element and a light-emitting element. The liquid crystal layer contains stringy polymers and liquid crystal molecules. The first light guide element includes a third transparent substrate including a side surface and a main surface, and a transparent layer disposed on the main surface and having a refractive index lower than that of the third transparent substrate. The light-emitting element opposes the side surface, and the third transparent substrate is adhered to the second transparent substrate while interposing the transparent layer therebetween. The light-emitting element is disposed on the second transparent substrate.

公开(公告)号：US20220035190A1

公开(公告)日：2022-02-03

申请号：US17505272

申请日：2021-10-19

Applicant: JAPAN DISPLAY INC.

Inventor： Tenfu NAKAMURA ,  Kojiro IKEDA ,  Kentaro OKUYAMA

IPC: G02F1/1334 ,  G02F1/1343

Abstract: According to one embodiment, a display device comprises substrates, a liquid crystal layer containing stringy polymers, a display area with first and second pixels and a light source. In a spatial frequency spectrum obtained by performing FT on a pattern of the polymers which overlap the pixels with respect to first and second frequency components, when an outline in a plane defined by the components in an area having a value of 75% or more of the maximum value is defined as an evaluation circle, and a value obtained by dividing a length of a major axis of the circle by that of a minor axis is defined as an evaluation value, the evaluation value of the first pixel is greater than that of the second pixel.