公开(公告)号：US09170696B2

公开(公告)日：2015-10-27

申请号：US14219212

申请日：2014-03-19

Applicant: Japan Display Inc.

Inventor： Koji Ishizaki ,  Hayato Kurasawa ,  Takeo Koito

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103 ,  G06F2203/04108 ,  G06F2203/04112

Abstract: According to an aspect, a display device with a touch detecting function includes: a display area in which pixels each composed of a plurality of color areas are arranged in a matrix; a touch detection electrode including a first conductive thin wire extending in a first direction; and a dummy electrode including a plurality of second conductive thin wires; a drive electrode having capacitance for the touch detection electrode. Each of the second conductive thin wires includes a plurality of thin wire pieces extending in a direction different from the first direction and is divided by a slit between the thin wire pieces. A color area in the display area with which the slit overlaps has a different color from a color area in the display area with which a slit closest to the slit in a second direction orthogonal to the first direction overlaps.

Abstract translation: 根据一方面，具有触摸检测功能的显示装置包括：显示区域，其中以多个颜色区域构成的像素以矩阵形式排列; 触摸检测电极，包括沿第一方向延伸的第一导电细线; 以及包括多个第二导电细线的虚拟电极; 具有用于触摸检测电极的电容的驱动电极。 每个第二导电细线包括沿与第一方向不同的方向延伸的多个细线片，并且在细线片之间被狭缝分隔。 狭缝重叠的显示区域中的颜色区域与在与第一方向正交的第二方向上最靠近狭缝的狭缝的显示区域中的颜色区域具有不同的颜色。

公开(公告)号：US12287543B2

公开(公告)日：2025-04-29

申请号：US18204502

申请日：2023-06-01

Applicant: Japan Display Inc.

Inventor： Takeo Koito ,  Shuji Hayashi

IPC: G02F1/1335 ,  G02F1/1343

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：US12248227B2

公开(公告)日：2025-03-11

申请号：US18439314

申请日：2024-02-12

Applicant: Japan Display Inc.

Inventor： Takayuki Imai ,  Kojiro Ikeda ,  Takeo Koito

IPC: G02F1/29

Abstract: In a method for driving an optical element including a first liquid crystal cell, the first liquid crystal cell includes a first substrate on which first and second transparent electrodes are arranged in a first direction, a second substrate on which third and fourth transparent electrodes are arranged in a second direction, and a first liquid crystal layer between the first substrate and the second substrate, and the method includes the steps of inputting a first signal to the first transparent electrode, inputting a second signal having a phase difference of π with respect to the first signal to the second transparent electrode, inputting a third signal having a phase difference of α with respect to the first signal to the third transparent electrode, and inputting a fourth signal having a phase difference of π with respect to the third signal to the fourth transparent electrode.

公开(公告)号：US12222497B2

公开(公告)日：2025-02-11

申请号：US17400261

申请日：2021-08-12

Applicant: Japan Display Inc.

Inventor： Masaaki Kabe ,  Takeo Koito ,  Chikyu Nakaoka

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

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：US12210251B2

公开(公告)日：2025-01-28

申请号：US18443634

申请日：2024-02-16

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Takeo Koito ,  Tae Kurokawa

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

Abstract: A liquid crystal light control device includes a plurality of liquid crystal cells arranged in a stack. Each of the plurality of liquid crystal cells includes a first substrate and a second substrate opposite the first substrate, a first electrode and a second electrode both of which have a strip pattern arranged on at least one of the first substrate and the second substrate, a first alignment film on the first substrate and a second alignment film on the second substrate, and a liquid crystal layer between the first substrate and the second substrate. The strip pattern is arranged alternately with the first electrode and the second electrode, an alignment direction of the first alignment film is aligned with a direction of extension of the strip pattern, and an alignment direction of the second alignment film is arranged intersecting the alignment direction of the first alignment film.

公开(公告)号：US12174493B2

公开(公告)日：2024-12-24

申请号：US18370035

申请日：2023-09-19

Applicant: Japan Display Inc.

Inventor： Takeo Koito ,  Tae Kurokawa ,  Kojiro Ikeda

IPC: G02F1/1343 ,  G02F1/1347

Abstract: A liquid crystal light control device in an embodiment according to the present invention includes a first liquid crystal cell, and a second liquid crystal cell overlapping the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate arranged with a first electrode having a strip pattern, a second substrate arranged with a second electrode having a strip pattern, and a liquid crystal layer between the first substrate and the second substrate. A longitudinal direction of the strip pattern of the first electrode and a longitudinal direction of the strip pattern of the second electrode are arranged to intersect at an angle in the range of 45 degrees±10 degrees.

公开(公告)号：US12169336B2

公开(公告)日：2024-12-17

申请号：US18132016

申请日：2023-04-07

Applicant: Japan Display Inc.

Inventor： Takeo Koito ,  Kojiro Ikeda ,  Tae Kurokawa

IPC: G02F1/1339 ,  G02F1/1343

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：US12140837B2

公开(公告)日：2024-11-12

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

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：US12007097B2

公开(公告)日：2024-06-11

申请号：US18378807

申请日：2023-10-11

Applicant: Japan Display Inc.

Inventor： Makoto Hasegawa ,  Nobuyuki Suzuki ,  Takeo Koito

IPC: G02F1/29 ,  F21V7/00 ,  F21V7/06 ,  F21V14/00 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1347

CPC classification number: F21V14/003 ,  F21V7/0016 ,  F21V7/06 ,  G02F1/133528 ,  G02F1/134309 ,  G02F1/1347 ,  G02F1/294

Abstract: A lighting device, comprises: a first reflector that includes a first hole where a light source is disposed, a second hole that emits light, and a reflection curved surface that connects the first hole and the second hole to each other, and the first reflector emits light to a first direction; a liquid crystal lens disposed to cover the second hole of the first reflector; and a polygonal pyramid including a bottom surface and a plurality of inclined surfaces, and being disposed so that the plurality of inclined surfaces oppose the liquid crystal lens. The plurality of inclined surfaces are reflection surfaces, and on the reflection surfaces, a traveling path of the light traveling to the first direction changes to a second direction. The liquid crystal lens can configure lenses corresponding to the plurality of inclined surfaces.

公开(公告)号：US11988924B2

公开(公告)日：2024-05-21

申请号：US17805330

申请日：2022-06-03

Applicant: Japan Display Inc.

Inventor： Tae Kurokawa ,  Takeo Koito ,  Masashi Mitsui

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1347

CPC classification number: G02F1/134309 ,  G02F1/133345 ,  G02F1/1347

Abstract: According to one embodiment, a light control device includes a first substrate including first to third electrodes formed in an annular shape and a fourth electrode, a second substrate, and a liquid crystal layer held between the first substrate and the second substrate. The first electrode and the second electrode are arranged in a first direction. The first electrode and the third electrode are arranged in a direction different from the first direction. The fourth electrode is adjacent to the first to third electrodes.