公开(公告)号：US20140347410A1

公开(公告)日：2014-11-27

申请号：US14455203

申请日：2014-08-08

Applicant: Japan Display Inc.

Inventor： Amane Higashi ,  Toshiyuki Nagatsuma ,  Akira Sakaigawa ,  Masaaki Kabe

IPC: G09G3/34

CPC classification number: G09G3/3413 ,  G09G3/3426 ,  G09G3/3648 ,  G09G2300/0452 ,  G09G2320/0646 ,  G09G2340/06 ,  G09G2360/145

Abstract: An image display device includes an image display panel configured of pixels made up of first, second, third, and fourth sub-pixels being arrayed in a two-dimensional matrix shape, and a signal processing unit into which an input signal is input and from which an output signal based on an extension coefficient is output, and causes the signal processing unit to obtain a maximum value of luminosity with saturation S in the HSV color space enlarged by adding a fourth color, as a variable, and to obtain a reference extension coefficient based on the maximum value, and further to determine an extension coefficient at each pixel from the reference extension coefficient, an input signal correction coefficient based on the sub-pixel input signal values at each pixel, and an external light intensity correction coefficient based on external light intensity.

Abstract translation: 图像显示装置包括由以二维矩阵形状排列的第一，第二，第三和第四子像素构成的像素构成的图像显示面板和输入输入信号的信号处理单元 输出基于扩展系数的输出信号，并且使信号处理单元通过添加第四颜色作为变量来获得HSV颜色空间中的具有饱和度S的亮度的最大值，并且获得参考扩展 基于最大值的系数，并且还根据参考扩展系数确定每个像素处的扩展系数，基于每个像素处的子像素输入信号值的输入信号校正系数和基于 外部光强度。

公开(公告)号：US20140204072A1

公开(公告)日：2014-07-24

申请号：US14157942

申请日：2014-01-17

Applicant: Japan Display Inc.

Inventor： Hidemasa Yamaguchi ,  Masaaki Kabe

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G02F1/136213 ,  G02F2201/52 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  G09G3/3614 ,  G09G5/02 ,  G09G2300/0452 ,  G09G2300/0491 ,  G09G2300/0495 ,  G09G2320/0209 ,  G09G2320/0276 ,  G09G2340/06

Abstract: According to an aspect, a display device includes an image display panel, data lines, and scan lines. The image display panel includes arrays of pixels including a plurality of sub-pixels. The arrays of pixels include cyclically arranged columns of first columns each of which includes first sub-pixels, second columns that include second sub-pixels, and third columns. Third sub-pixels and fourth sub-pixels are alternately arranged in the third columns in the direction along the third columns, and are alternately arranged in a direction along the row in the same row of the third columns. Each of the scan lines is coupled to either of the third sub-pixels adjacent thereto or the fourth sub-pixels adjacent thereto, as sub-pixels to be selected thereby.

Abstract translation: 根据一方面，显示装置包括图像显示面板，数据线和扫描线。 图像显示面板包括包括多个子像素的像素阵列。 像素阵列包括循环布置的第一列列，每列包括第一子像素，包括第二子像素的第二列和第三列。 第三子像素和第四子像素在沿着第三列的方向上在第三列中交替布置，并且沿着与第三列的同一行中的行的方向交替布置。 每个扫描线被耦合到与其相邻的第三子像素中的任一个或与其相邻的第四子像素作为要被选择的子像素。

公开(公告)号：US20140168284A1

公开(公告)日：2014-06-19

申请号：US14086476

申请日：2013-11-21

Applicant: Japan Display Inc.

Inventor： Masaaki Kabe ,  Toshiyuki Nagatsuma ,  Amane Higashi ,  Kojiro Ikeda ,  Tae Kurokawa ,  Masashi Mitsui ,  Hiroki Uchiyama ,  Hirokazu Tatsuno ,  Fumitaka Goto ,  Akira Sakaigawa

IPC: G09G3/36 ,  G09G3/20

CPC classification number: G09G3/3607 ,  G09G3/2003 ,  G09G3/3648 ,  G09G2300/0452 ,  G09G2320/0242 ,  G09G2340/06 ,  G09G2360/16

Abstract: According to an aspect, a display device includes a first sub-pixel, a second sub-pixel, a third sub-pixel; and a fourth sub-pixel. A signal obtained based on at least an input signal for the first sub-pixel and an extension coefficient is supplied to the first sub-pixel. A signal obtained based on at least an input signal for the second sub-pixel and the extension coefficient is supplied to the second sub-pixel. A signal obtained based on at least an input signal for the third sub-pixel and the extension coefficient is supplied to the third sub-pixel. A signal obtained based on at least the input signal for the first sub-pixel, the input signal for the second sub-pixel, the input signal for the third sub-pixel, and the extension coefficient is supplied to the fourth sub-pixel. The extension coefficient varies based on at least a saturation of the input signals.

Abstract translation: 根据一个方面，显示装置包括第一子像素，第二子像素，第三子像素; 和第四子像素。 至少基于第一子像素的输入信号获得的信号和扩展系数被提供给第一子像素。 至少基于第二子像素的输入信号获得的信号和扩展系数被提供给第二子像素。 至少基于第三子像素的输入信号获得的信号和扩展系数被提供给第三子像素。 基于至少基于第一子像素的输入信号，第二子像素的输入信号，第三子像素的输入信号和扩展系数获得的信号被提供给第四子像素。 扩展系数至少基于输入信号的饱和度而变化。

公开(公告)号：US12158682B2

公开(公告)日：2024-12-03

申请号：US17731405

申请日：2022-04-28

Applicant: Japan Display Inc.

Inventor： Masaaki Kabe ,  Jin Hirosawa

IPC: G02F1/157 ,  G02F1/1335 ,  G02F1/1506 ,  G02F1/155

Abstract: According to one embodiment, a viewing angle control element includes a first substrate, a second substrate, and an electrolyte layer. The first substrate includes a first transparent substrate, a first light-shielding portion and a second light-shielding portion provided between the first transparent substrate and the electrolyte layer, a first transparent insulating layer provided between the first light-shielding portion and the second light-shielding portion, and a first transparent electrode. The first transparent electrode includes a first electrode portion overlapping the first light-shielding portion, a second electrode portion overlapping the second light-shielding portion, and an opening portion overlapping the first transparent insulating layer.

公开(公告)号：US11415828B2

公开(公告)日：2022-08-16

申请号：US17450604

申请日：2021-10-12

Applicant: Japan Display Inc.

Inventor： Chikyu Nakaoka ,  Masaaki Kabe

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/13357

Abstract: According to one embodiment, a display device includes a display panel that includes a display portion including pixels and a non-display portion including an opening, an illumination device, and a color separation element provided between the display panel and the illumination device. The color separation element includes a first element overlapping the pixel and a second element overlapping the opening, the first element separates illumination light from the illumination device into light of a plurality of colors and irradiates the pixel with the light, and the second element separates illumination light from the illumination device into light of a plurality of colors and irradiates the opening with the light.

公开(公告)号：US10854154B2

公开(公告)日：2020-12-01

申请号：US16540510

申请日：2019-08-14

Applicant: Japan Display Inc.

Inventor： Masaaki Kabe ,  Amane Higashi ,  Yasuo Takahashi ,  Akira Sakaigawa

IPC: G09G3/36 ,  G09G3/34

Abstract: A method of driving an image display apparatus which includes an image display panel having a plurality of pixels arrayed in a two-dimensional matrix and each configured from a first subpixel for displaying a first primary color, a second subpixel for displaying a second primary color, a third subpixel for displaying a third primary color and a fourth subpixel for displaying a fourth color, and a signal processing section. The signal processing section is capable of calculating a first subpixel output signal, a second subpixel output signal, a third subpixel output signal, and a fourth subpixel output signal. The method includes a step of calculating a maximum value (Vmax(S)) of brightness, a saturation (S) and brightness (V(S)), and determining the expansion coefficient (α0).

公开(公告)号：US10559235B2

公开(公告)日：2020-02-11

申请号：US16400593

申请日：2019-05-01

Applicant: Japan Display Inc.

Inventor： Yasuyuki Matsui ,  Akira Sakaigawa ,  Masaaki Kabe ,  Kenta Seki

IPC: G09G3/36 ,  G09F13/04 ,  G02F1/1335

Abstract: Disclosed herein is a display apparatus including: a first pixel including three sub-pixels for displaying three primary colors respectively; and a second pixel including three sub-pixels for displaying two colors selected among the three primary colors and a predetermined color other than the three primary colors, wherein, in the first pixel, the size of the display surface of a sub-pixel for displaying a specific color included in the three primary colors as a specific color missing from the second pixel is larger than each of the sizes of the display surfaces of the two other sub-pixels for displaying the two other primary colors respectively.

公开(公告)号：US10514570B2

公开(公告)日：2019-12-24

申请号：US15912007

申请日：2018-03-05

Applicant: Japan Display Inc.

Inventor： Chikyu Nakaoka ,  Masaaki Kabe ,  Tatsuya Yata ,  Kojiro Ikeda

IPC: G02F1/1335 ,  G02F1/1362 ,  G02F1/13 ,  G02B5/30 ,  G02B5/18 ,  G02B5/02 ,  G02B5/04 ,  F21V8/00 ,  G02B5/20 ,  G02B6/293 ,  G02B6/34

Abstract: According to one embodiment, a display device includes a first arrangement layer and a second arrangement layer. The first layer includes a first pixel, a second pixel, and a third pixel are arranged periodically in one direction. The second layer is opposed to the first layer, and the second layer includes a first element, a second element, and a third element which are arranged periodically to correspond to the first pixel, the second pixel, and the third pixel, respectively, and separate emission light to light of wavelength corresponding to a first color, light of wavelength corresponding to a second color, and light of wavelength corresponding to a third color to be emitted on the first pixel, the second pixel, and the third pixel, respectively.

公开(公告)号：US10438549B2

公开(公告)日：2019-10-08

申请号：US16159774

申请日：2018-10-15

Applicant: Japan Display Inc.

Inventor： Masaaki Kabe ,  Amane Higashi ,  Yasuo Takahashi ,  Akira Sakaigawa

IPC: G09G3/36 ,  G09G3/34

Abstract: A method of driving an image display apparatus which includes an image display panel having a plurality of pixels arrayed in a two-dimensional matrix and each configured from a first subpixel for displaying a first primary color, a second subpixel for displaying a second primary color, a third subpixel for displaying a third primary color and a fourth subpixel for displaying a fourth color, and a signal processing section. The signal processing section is capable of calculating a first subpixel output signal, a second subpixel output signal, a third subpixel output signal, and a fourth subpixel output signal. The method includes a step of calculating a maximum value (Vmax(S)) of brightness, a saturation (S) and brightness (V(S)), and determining the expansion coefficient (α0).

公开(公告)号：US20190259311A1

公开(公告)日：2019-08-22

申请号：US16400593

申请日：2019-05-01

Applicant: Japan Display Inc.

Inventor： Yasuyuki Matsui ,  Akira Sakaigawa ,  Masaaki Kabe ,  Kenta Seki

IPC: G09F13/04 ,  G02F1/1335 ,  G09G3/36

Abstract: Disclosed herein is a display apparatus including: a first pixel including three sub-pixels for displaying three primary colors respectively; and a second pixel including three sub-pixels for displaying two colors selected among the three primary colors and a predetermined color other than the three primary colors, wherein, in the first pixel, the size of the display surface of a sub-pixel for displaying a specific color included in the three primary colors as a specific color missing from the second pixel is larger than each of the sizes of the display surfaces of the two other sub-pixels for displaying the two other primary colors respectively.