公开(公告)号：US09837012B2

公开(公告)日：2017-12-05

申请号：US15084531

申请日：2016-03-30

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Masaaki Kabe ,  Akira Sakaigawa

IPC: G09G5/02 ,  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.

公开(公告)号：US20170315279A1

公开(公告)日：2017-11-02

申请号：US15653063

申请日：2017-07-18

Applicant: Japan Display Inc.

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

IPC: G02B5/20 ,  G02F1/1335 ,  G02B5/00

CPC classification number: G02B5/201 ,  G02B5/003 ,  G02F1/1335 ,  G02F1/133512 ,  G02F1/133514

Abstract: An image display apparatus including an image display panel that includes: a first color filter for passing light of a first primary and first auxiliary pixels for displaying the first primary; a second color filter for passing light of a second primary and second auxiliary pixels for displaying the second primary; a third color filter for passing light of a third primary and third auxiliary pixels for displaying the third primary; and fourth auxiliary pixels for displaying a fourth color; the first auxiliary pixels, the second auxiliary pixels, the third auxiliary pixels, and the fourth auxiliary pixels being arranged in a two-dimensional matrix, and a light shielding region disposed at least partly around the peripheral edge of each of the fourth auxiliary pixels.

公开(公告)号：US09728161B2

公开(公告)日：2017-08-08

申请号：US14692957

申请日：2015-04-22

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Toshiyuki Nagatsuma ,  Masaaki Kabe ,  Amane Higashi ,  Tae Kurokawa ,  Fumitaka Gotoh ,  Akira Sakaigawa

IPC: G09G5/02 ,  G09G5/10 ,  G09G3/36

CPC classification number: G09G5/10 ,  G09G3/3607 ,  G09G3/3648 ,  G09G5/02 ,  G09G2300/0452 ,  G09G2340/0457 ,  G09G2340/06 ,  G09G2360/16

Abstract: A display device includes a signal processing unit that receives input signals, and calculates output signals to a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel. The signal processing unit calculates a frequency of pixels belonging to each of a plurality of partitions using a light quantity of a surface light source. The signal processing unit calculates an index value for each of the partitions by at least multiplying the cumulative frequency being obtained by sequentially adding the frequency of pixels from a partition having the maximum light quantity among the partitions, and the number of partitions representing a position of a partition to which the cumulative frequency belongs counted from the partition having the maximum light quantity. The signal processing unit controls luminance of the surface light source based on a partition in which the index value exceeds a threshold.

公开(公告)号：US20170193932A1

公开(公告)日：2017-07-06

申请号：US15447312

申请日：2017-03-02

Applicant: Japan Display Inc.

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

IPC: G09G3/36 ,  G09G3/34

CPC classification number: G09G3/3607 ,  G09G3/3406 ,  G09G3/3413 ,  G09G3/3426 ,  G09G3/3648 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2320/0646 ,  G09G2320/0666 ,  G09G2330/021 ,  G09G2340/06 ,  G09G2360/145

Abstract: A driving method for 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 driving 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：US20160334554A1

公开(公告)日：2016-11-17

申请号：US15221646

申请日：2016-07-28

Applicant: Japan Display Inc.

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

IPC: G02B5/20 ,  G02F1/1335 ,  G02B5/00

CPC classification number: G02B5/201 ,  G02B5/003 ,  G02F1/1335 ,  G02F1/133512 ,  G02F1/133514

Abstract: An image display apparatus including an image display panel that includes: a first color filter for passing light of a first primary and first auxiliary pixels for displaying the first primary; a second color filter for passing light of a second primary and second auxiliary pixels for displaying the second primary; a third color filter for passing light of a third primary and third auxiliary pixels for displaying the third primary; and fourth auxiliary pixels for displaying a fourth color; the first auxiliary pixels, the second auxiliary pixels, the third auxiliary pixels, and the fourth auxiliary pixels being arranged in a two-dimensional matrix, and a light shielding region disposed at least partly around the peripheral edge of each of the fourth auxiliary pixels.

公开(公告)号：US09429689B2

公开(公告)日：2016-08-30

申请号：US14854196

申请日：2015-09-15

Applicant: Japan Display Inc.

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

IPC: G02F1/1335 ,  G02B5/00 ,  G02B5/20 ,  G02F1/1333

CPC classification number: G02B5/201 ,  G02B5/003 ,  G02F1/1335 ,  G02F1/133512 ,  G02F1/133514

Abstract: An image display apparatus including an image display panel that includes: a first color filter for passing light of a first primary and first auxiliary pixels for displaying the first primary; a second color filter for passing light of a second primary and second auxiliary pixels for displaying the second primary; a third color filter for passing light of a third primary and third auxiliary pixels for displaying the third primary; and fourth auxiliary pixels for displaying a fourth color; the first auxiliary pixels, the second auxiliary pixels, the third auxiliary pixels, and the fourth auxiliary pixels being arranged in a two-dimensional matrix, and a light shielding region disposed at least partly around the peripheral edge of each of the fourth auxiliary pixels.

公开(公告)号：US09390679B2

公开(公告)日：2016-07-12

申请号：US14184819

申请日：2014-02-20

Applicant: Japan Display Inc.

Inventor： Tsutomu Harada ,  Masaaki Kabe ,  Fumitaka Goto ,  Toshiyuki Nagatsuma

IPC: G09G5/10 ,  G09G5/04 ,  G09G3/34

CPC classification number: G09G5/04 ,  G09G3/342 ,  G09G2320/0242 ,  G09G2320/062 ,  G09G2320/0646 ,  G09G2320/0666

Abstract: According to an aspect, a display device includes: an image display panel; a signal processing unit; and a signal processing circuit. The signal processing unit calculates an extension coefficient α for an input signal, calculates an output signal of a first sub-pixel, calculates an output signal of a second sub-pixel, calculates an output signal of a third sub-pixel, calculates an output signal of a fourth sub-pixel, and calculates a control signal. The signal processing circuit performs filtering processing on the control signal by a set first time constant to calculate and output a light-source device control signal, when the control signal is smaller than a set threshold value, and performs filtering processing on the control signal by a set second time constant to calculate and output the light-source device control signal, when the control signal is equal to or larger than the threshold value.

Abstract translation: 根据一方面，一种显示装置包括：图像显示面板; 信号处理单元; 和信号处理电路。 信号处理单元计算输入信号的扩展系数α，计算第一子像素的输出信号，计算第二子像素的输出信号，计算第三子像素的输出信号，计算输出 信号，并计算控制信号。 当控制信号小于设定的阈值时，信号处理电路对设定的第一时间常数对控制信号进行滤波处理，以计算和输出光源装置控制信号，并且通过 当控制信号等于或大于阈值时，设定第二时间常数来计算和输出光源装置控制信号。

公开(公告)号：US09318033B2

公开(公告)日：2016-04-19

申请号：US13680572

申请日：2012-11-19

Applicant: Japan Display Inc.

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

IPC: G09G3/34 ,  G09F13/04 ,  G02F1/1335

CPC classification number: G09F13/04 ,  G02F1/133514 ,  G02F2201/52 ,  G09G3/3607 ,  G09G2300/0452 ,  G09G2300/0465 ,  G09G2300/0478 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2330/021

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.

Abstract translation: 这里公开了一种显示装置，包括：包括分别显示三原色的三个子像素的第一像素; 以及包括三个子像素的第二像素，用于显示从三原色中选择的两种颜色和除了三原色之外的预定颜色，其中，在第一像素中，用于显示的子像素的显示表面的尺寸 包含在作为第二像素缺失的特定颜色的三原色中的特定颜色分别大于用于显示另外两种基色的另外两个子像素的显示表面的尺寸中的每一个。

公开(公告)号：US09262970B2

公开(公告)日：2016-02-16

申请号：US14223306

申请日：2014-03-24

Applicant: Japan Display Inc.

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

IPC: G09G3/36 ,  G09G3/34 ,  G06F1/32

CPC classification number: G09G3/3406 ,  G06F1/32 ,  G06F1/3265 ,  G09G3/3607 ,  G09G3/3648 ,  G09G2320/0242 ,  G09G2320/0646 ,  G09G2340/06 ,  Y02D10/153

Abstract: According to an aspect, a display device includes: an image display panel; a color conversion device including a signal processing unit and a signal output unit; a planar light-source device; and a light-source-device control unit. The signal processing unit includes a color conversion circuit that converts an input signal in a reference color area into a converted input signal generated in a definition color area where a chromaticity point of at least one of a first color, a second color, and a third color is inside of a reference color area, and a four-color generation circuit that generates an output signal and a light-source-device control signal from the converted input signal. The signal output unit outputs the drive signal to each sub-pixel based on the output signal. The light-source-device control unit outputs a drive voltage for emitting white light on the planar light-source device based on the light-source-device control signal.

Abstract translation: 根据一方面，一种显示装置包括：图像显示面板; 颜色转换装置，包括信号处理单元和信号输出单元; 平面光源装置; 以及光源装置控制部。 信号处理单元包括将参考色区域中的输入信号转换为定义色区域中生成的转换输入信号的颜色转换电路，其中第一颜色，第二颜色和第三色彩中的至少一个的色度点 颜色在参考颜色区域内，以及四色生成电路，其从转换的输入信号生成输出信号和光源装置控制信号。 信号输出单元基于输出信号将驱动信号输出到每个子像素。 光源装置控制部基于光源装置控制信号，在平面光源装置上输出用于发出白光的驱动电压。

公开(公告)号：US20150356933A1

公开(公告)日：2015-12-10

申请号：US14731031

申请日：2015-06-04

Applicant: Japan Display Inc.

Inventor： Masaaki Kabe ,  Akira Sakaigawa ,  Amane Higashi

IPC: G09G3/36 ,  G09G3/20

CPC classification number: G09G3/3607 ,  G09G3/2003 ,  G09G2300/0452 ,  G09G2310/0232 ,  G09G2340/0442 ,  G09G2340/045 ,  G09G2340/06

Abstract: According to an aspect, a display device includes: a display unit including a plurality of pixels arranged therein, the pixels including a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel; and a signal processing unit that calculates output signals corresponding to the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel based on input signals corresponding to the first sub-pixel, the second sub-pixel, and the third sub-pixel. The signal processing unit calculates each of the output signals based on a result obtained by extracting and analyzing only information on a certain region within one frame from the input signals.

Abstract translation: 根据一个方面，一种显示装置包括：显示单元，包括布置在其中的多个像素，所述像素包括第一子像素，第二子像素，第三子像素和第四子像素; 信号处理单元，其基于与第一子像素对应的输入信号来计算与第一子像素，第二子像素，第三子像素和第四子像素对应的输出信号，第二子像素 像素和第三子像素。 信号处理单元基于通过从输入信号中仅提取和分析一帧内的特定区域的信息而获得的结果来计算每个输出信号。