公开(公告)号：US09311886B2

公开(公告)日：2016-04-12

申请号：US14073443

申请日：2013-11-06

Applicant: Japan Display Inc.

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

IPC: G09G5/00 ,  G09G3/36 ,  G09G5/02

CPC classification number: G09G5/02 ,  G09G3/3648 ,  G09G2300/0452 ,  G09G2340/06

Abstract: According to an aspect, a display device includes an image display panel on which pixels each including sub-pixels for displaying a first color, a second color, a third color, and a fourth color are arranged, and a signal processing unit that converts an input value of an input signal for an input HSV color space into an output signal for an extended HSV color space. The signal processing unit divides the extended HSV color space into a plurality of spaces, sets limit proportion values different from each other with respect to at least two spaces of the divided spaces respectively, calculates an extension coefficient α with respect to the input signal by using the input signal and a limit proportion value set with respect to a space according to the input signal, and calculates the output signal based on at least the input signal and the extension coefficient α.

Abstract translation: 根据本发明的一个方面，一种显示装置包括图像显示面板，在该图像显示面板上布置有各自包括用于显示第一颜色，第二颜色，第三颜色和第四颜色的子像素的像素，以及信号处理单元， 用于输入HSV色彩空间的输入信号的输入值作为扩展HSV色彩空间的输出信号。 信号处理单元将扩展HSV颜色空间分割为多个空格，分别相对于分割空间的至少两个空格设定彼此不同的极限比例值，通过使用相对于输入信号计算扩展系数α 输入信号和根据输入信号相对于空间设置的限制比例值，并且至少基于输入信号和扩展系数α来计算输出信号。

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：US09460675B2

公开(公告)日：2016-10-04

申请号：US14198210

申请日：2014-03-05

Applicant: Japan Display Inc.

Inventor： Tsutomu Harada ,  Akira Sakaigawa ,  Naoyuki Takasaki ,  Fumitaka Goto

IPC: G09G3/36 ,  G09G3/34 ,  G09G5/06

CPC classification number: G09G3/3648 ,  G09G3/3426 ,  G09G5/06 ,  G09G2300/0408 ,  G09G2300/0452 ,  G09G2320/064 ,  G09G2320/0673 ,  G09G2340/06

Abstract: According to an aspect, a display device includes: an image display panel; and a plurality of signal processing circuits that are responsible for respective regions in the image display panel, that convert an input value of an input HSV color space of an input signal to each of their own responsible regions into an extension value of an extended HSV color space to generate an output signal of the extension value for the image display panel. The signal processing circuits decide an extension coefficient αA for the image display panel in its entirety in a cooperative manner. The signal processing circuit, regarding its own responsible region, calculates an output signal of each of a first sub-pixel, a second sub-pixel, third sub-pixel, and a fourth sub-pixel.

Abstract translation: 根据一方面，一种显示装置包括：图像显示面板; 以及负责图像显示面板中的各个区域的多个信号处理电路，其将输入信号的输入HSV颜色空间的输入值转换为其各自的负责区域中的每一个，使其扩展为HSV颜色的扩展值 用于生成图像显示面板的扩展值的输出信号的空间。 信号处理电路以合作的方式整体地确定图像显示面板的扩展系数αA。 信号处理电路关于其自己的负责区域，计算第一子像素，第二子像素，第三子像素和第四子像素中的每一个的输出信号。

公开(公告)号：US09324283B2

公开(公告)日：2016-04-26

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: G09G3/34 ,  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：US20140285539A1

公开(公告)日：2014-09-25

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: G09G3/34 ,  G06F1/32 ,  G09G3/36

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：US20140267471A1

公开(公告)日：2014-09-18

申请号：US14184819

申请日：2014-02-20

Applicant: Japan Display Inc.

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

IPC: G09G5/04

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：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：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：US20140292840A1

公开(公告)日：2014-10-02

申请号：US14198210

申请日：2014-03-05

Applicant: Japan Display Inc.

Inventor： Tsutomu Harada ,  Akira Sakaigawa ,  Naoyuki Takasaki ,  Fumitaka Goto

IPC: G09G3/20 ,  G09G3/36

CPC classification number: G09G3/3648 ,  G09G3/3426 ,  G09G5/06 ,  G09G2300/0408 ,  G09G2300/0452 ,  G09G2320/064 ,  G09G2320/0673 ,  G09G2340/06

Abstract: According to an aspect, a display device includes: an image display panel; and a plurality of signal processing circuits that are responsible for respective regions in the image display panel, that convert an input value of an input HSV color space of an input signal to each of their own responsible regions into an extension value of an extended HSV color space to generate an output signal of the extension value for the image display panel. The signal processing circuits decide an extension coefficient αA for the image display panel in its entirety in a cooperative manner. The signal processing circuit, regarding its own responsible region, calculates an output signal of each of a first sub-pixel, a second sub-pixel, third sub-pixel, and a fourth sub-pixel.

Abstract translation: 根据一方面，一种显示装置包括：图像显示面板; 以及负责图像显示面板中的各个区域的多个信号处理电路，其将输入信号的输入HSV颜色空间的输入值转换为其各自的负责区域中的每一个，使其扩展为HSV颜色的扩展值 用于生成图像显示面板的扩展值的输出信号的空间。 信号处理电路以合作的方式整体地确定图像显示面板的扩展系数αA。 信号处理电路关于其自己的负责区域，计算第一子像素，第二子像素，第三子像素和第四子像素中的每一个的输出信号。