公开(公告)号：US20220357614A1

公开(公告)日：2022-11-10

申请号：US17870852

申请日：2022-07-22

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Tae KUROKAWA ,  Masashi MITSUI

IPC: G02F1/1333 ,  G02F1/1343 ,  G02F1/1347 ,  G02F1/1337 ,  G02F1/1335

Abstract: According to one embodiment, a light control device includes a first liquid crystal cell, a second liquid crystal cell and a polarized light conversion element disposed between the first liquid crystal cell and the second liquid crystal cell. One substrate of an pair of substrates of each of the first liquid crystal cell and the second liquid crystal cell includes an insulating substrate, a plurality of first electrodes arranged along one direction on the insulating substrate and formed in a strip shape, a first inorganic insulating film covering the first electrodes and a plurality of second electrodes intersecting the first electrodes on the first inorganic insulating film and formed in a strip shape.

公开(公告)号：US20220235918A1

公开(公告)日：2022-07-28

申请号：US17659394

申请日：2022-04-15

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Masashi MITSUI ,  Tae KUROKAWA

IPC: F21V14/00 ,  G02F1/29

Abstract: According to one embodiment, a light control device includes a first substrate including a plurality of first control electrodes disposed in an effective area, and a plurality of feed lines disposed in a peripheral area, a second substrate, and a first liquid crystal layer. The first control electrodes are transparent electrodes. Each of the first control electrodes includes, in the effective area, first segments crossing a first direction at a first angle, second segments crossing the first direction at a second angle, and third segments crossing the first direction at a third angle. The first control electrode is electrically connected to the feed line. The first to third angles are different from each other.

公开(公告)号：US20180239188A1

公开(公告)日：2018-08-23

申请号：US15956191

申请日：2018-04-18

Applicant: Japan Display Inc.

Inventor： Masaya TAMAKI ,  Yoko FUKUNAGA ,  Masashi MITSUI ,  Susumu KIMURA

IPC: G02F1/1335 ,  G02F1/1339 ,  G02F1/1343

CPC classification number: G02F1/133514 ,  G02F1/133504 ,  G02F1/133512 ,  G02F1/133524 ,  G02F1/133553 ,  G02F1/13394 ,  G02F1/134336 ,  G02F2001/133616 ,  G02F2001/134345 ,  G02F2201/52

Abstract: A display device includes a display surface with pixels including four sub-pixels of four colors, and being arrayed in a matrix of a first viewing angle direction and a second viewing angle direction orthogonal thereto. The first viewing angle direction in a direction parallel to the display surface of a main viewing angle direction that intersects with the display surface. A reflective member, first substrate, a second substrate facing the first substrate, a color filter with filters of four colors corresponding to the four sub-pixels, and a scattering member is provided on the second substrate. For the color filter, a change in transmittance of the filters per pixel in the main viewing angle direction is smaller than a change in transmittance of the filters per pixel in a direction orthogonal to the first viewing angle direction in the second viewing angle direction parallel to the display surface.

公开(公告)号：US20230244120A1

公开(公告)日：2023-08-03

申请号：US18299083

申请日：2023-04-12

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：US20220179271A1

公开(公告)日：2022-06-09

申请号：US17680571

申请日：2022-02-25

Applicant: Japan Display Inc.

Inventor： Masashi MITSUI

IPC: G02F1/1503 ,  G02F1/155 ,  G02F1/1506

Abstract: According to one embodiment, an illumination device includes an electrochromic element and light sources. The electrochromic element includes a first transparent substrate, a first transparent electrode provided on the first transparent substrate, a second transparent substrate opposing the first transparent substrate, projections provided on the second transparent substrate and projecting toward the first transparent substrate, a second transparent electrode provided on a part of the projection and an electrolyte layer provided between the first transparent substrate and the second transparent substrate and containing an electrochromic material including a reflective material capable of oxidation-reduction.

公开(公告)号：US20180203269A1

公开(公告)日：2018-07-19

申请号：US15865663

申请日：2018-01-09

Applicant: Japan Display Inc.

Inventor： Masaya TAMAKI ,  Masashi MITSUI

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1335

CPC classification number: G02F1/1343 ,  G02F1/133345 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/133553 ,  G02F1/136286

Abstract: According to an aspect, a display device includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a reflective electrode provided between the first substrate and the liquid crystal layer. The reflective electrode includes a plurality of raised portions that reflect incident light entering from outside. When the reflective electrode is divided into a plurality of micro regions each having a certain area in planar view, a rate of inclination angles of the raised portions is a value obtained by dividing the number of the micro regions having the inclination angles within a certain angle range, by the total number of the micro regions. The inclination angles of the raised portions are distributed such that the rate of the inclination angles of 17° or larger is 0.25 or higher.

公开(公告)号：US20160223861A1

公开(公告)日：2016-08-04

申请号：US15096462

申请日：2016-04-12

Applicant: Japan Display Inc.

Inventor： Masaya Tamaki ,  Yoko FUKUNAGA ,  Masashi MITSUI ,  Susumu KIMURA

IPC: G02F1/1335 ,  G02F1/1339 ,  G02F1/1343

CPC classification number: G02F1/133514 ,  G02F1/133504 ,  G02F1/133512 ,  G02F1/133524 ,  G02F1/133553 ,  G02F1/13394 ,  G02F1/134336 ,  G02F2001/133616 ,  G02F2001/134345 ,  G02F2201/52

Abstract: According to an aspect, a display device includes: a display surface on which pixels each including sub-pixels of a plurality of colors are two-dimensionally arrayed; a reflective member; a first substrate provided with the reflective member; a second substrate arranged to face the first substrate; a color filter provided with filters of at least two colors corresponding to the sub-pixels; and a scattering member provided on the second substrate. A main viewing angle direction of the display device is a direction intersecting with the display surface. The color filter is formed such that a change in transmittance of the filters per pixel in the main viewing angle direction is smaller than a change in transmittance of the filters per pixel in a direction orthogonal to the main viewing angle direction in a direction parallel to the display surface.

Abstract translation: 根据本发明的一个方面，一种显示装置包括：二维排列有各自包含多种颜色的子像素的像素的显示面; 反光构件; 设置有所述反射构件的第一基板; 布置成面对所述第一基板的第二基板; 具有与所述子像素对应的至少两种颜色的滤色器的滤色器; 以及设置在第二基板上的散射构件。 显示装置的主视角方向是与显示面交叉的方向。 滤色器形成为使得主视角方向上的每个像素的滤光器的透射率的变化小于在与主视角方向正交的方向上的每个像素的滤色器的透射率在平行于主视角方向的方向上的变化 显示表面。

公开(公告)号：US20150348501A1

公开(公告)日：2015-12-03

申请号：US14723667

申请日：2015-05-28

Applicant: Japan Display Inc.

Inventor： Masashi MITSUI

IPC: G09G5/02 ,  G09G3/36

CPC classification number: G09G5/02 ,  G09G3/3406 ,  G09G3/3648 ,  G09G2300/0452 ,  G09G2340/06 ,  G09G2360/144 ,  G09G2360/16 ,  G09G2380/10

Abstract: According to an aspect, a display device includes an image display panel in which pixels are arranged; and a signal processing unit that converts input values of input signals including color information of a certain color represented in a reference color gamut into extended values in an extended color space to generate output signals. The signal processing unit corrects the input values of the input signals into input values of corrected input signals including color information of a corrected color so as to correct the certain color into the corrected color that is a color positioned in a direction away from a white point, determines an expansion coefficient, and obtains the output signals for first to fourth sub-pixels based on at least the corrected input signals and the expansion coefficient.

Abstract translation: 根据一个方面，一种显示装置包括其中布置有像素的图像显示面板; 以及信号处理单元，其将包括在参考色域中表示的特定颜色的颜色信息的输入信号的输入值转换为扩展颜色空间中的扩展值以产生输出信号。 信号处理单元将输入信号的输入值校正为校正输入信号的输入值，包括校正颜色的颜色信息，以将特定颜色校正为位于远离白点的方向的颜色的校正颜色 ，确定扩展系数，并且至少基于校正输入信号和扩展系数获得第一至第四子像素的输出信号。

公开(公告)号：US20140204296A1

公开(公告)日：2014-07-24

申请号：US14162233

申请日：2014-01-23

Applicant: Japan Display Inc.

Inventor： Masashi MITSUI ,  Yoko FUKUNAGA

IPC: G02F1/1335

CPC classification number: G02F1/133504 ,  G02F1/13306 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/133553 ,  G02F1/13363 ,  G02F1/134336 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F1/137 ,  G02F2001/133357 ,  G02F2001/133638 ,  G02F2001/134345 ,  G02F2201/123 ,  G02F2203/02 ,  G02F2203/03 ,  G02F2413/02 ,  G02F2413/06

Abstract: A reflective liquid crystal display device includes a first substrate provided with a reflective electrode, a second substrate provided with a transparent electrode, a liquid crystal layer disposed between the first substrate and the second substrate, and an anisotropic scattering member formed on the second substrate. The anisotropic scattering member has first and second surfaces each including a first refractive index region and a second refractive index region having a refractive index different from that of the first refractive index region. A refractive index difference between the first refractive index region and the second refractive index region in the first surface is larger than that in the second surface. The anisotropic scattering member is disposed so that light enters from the first surface thereof and the light exits as scattered light from the second surface thereof. A phase difference is given to the light entered the anisotropic scattering member.

Abstract translation: 反射型液晶显示装置，具备设置有反射电极的第一基板，设置有透明电极的第二基板，设置在第一基板和第二基板之间的液晶层，以及形成在第二基板上的各向异性散射构件。 各向异性散射构件具有第一和第二表面，每个表面均包括具有与第一折射率区域不同的折射率的第一折射率区域和第二折射率区域。 第一表面中的第一折射率区域和第二折射率区域之间的折射率差大于第二表面中的折射率差。 各向异性散射构件被布置成使得光从其第一表面进入，并且光作为来自其第二表面的散射光离开。 对进入各向异性散射构件的光赋予相位差。

公开(公告)号：US20140198287A1

公开(公告)日：2014-07-17

申请号：US14155872

申请日：2014-01-15

Applicant: Japan Display Inc.

Inventor： Masaya TAMAKI ,  Masashi MITSUI ,  Yoko FUKUNAGA

IPC: G02F1/1335

CPC classification number: G02F1/133504 ,  G02B5/0257 ,  G02B5/0278 ,  G02F1/133553 ,  G02F1/133555 ,  G02F1/13363 ,  G02F2001/133638 ,  G02F2203/02

Abstract: A display device includes a reflective image display unit having a sheet-like anisotropic scattering member. The sheet-like anisotropic scattering member has a surface in which both a low refractive index area and a high refractive index area exist. The sheet-like anisotropic scattering member is disposed so that a light enters from a first surface thereof and exits as scattered light from a second surface thereof, when an extent of refractive index difference at a boundary or vicinity thereof between the low refractive index area and the high refractive index area is relatively large in the first surface and relatively small in the second surface.

Abstract translation: 显示装置包括具有片状各向异性散射构件的反射图像显示单元。 片状各向异性散射构件具有其中存在低折射率区域和高折射率区域的表面。 片状各向异性散射构件被布置成使得光从其第一表面入射并作为散射光从其第二表面离开，当低折射率区域与低折射率区域之间的边界或其附近的折射率差的程度 高折射率区域在第一表面中相对较大并且在第二表面中相对较小。