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公开(公告)号：US09323103B2
公开(公告)日：2016-04-26
申请号：US13808161
申请日：2011-03-03
IPC分类号： H04N5/202 , G02F1/1335 , G09G3/34 , G09G3/36
CPC分类号： G02F1/133603 , G02F1/133514 , G02F2201/52 , G09G3/3413 , G09G3/3426 , G09G3/3607 , G09G2300/0452 , H04N5/202
摘要： The liquid crystal display device (100) of the present invention includes a liquid crystal panel (10) having a plurality of pixels (P), and a backlight (20) having at least one light source (22) that emits light to the liquid crystal panel (10). Each of the plurality of pixels (P) includes four or more sub-pixels (R, G, B, Ye), and the light source unit (22) includes a red light source (22R), a green light source (22G), and a blue light source (22B). According to the present invention, a liquid crystal display device which can perform display of wide color reproduction range with low power consumption is provided.
摘要翻译： 本发明的液晶显示装置（100）包括具有多个像素（P）的液晶面板（10）和具有向液体发光的至少一个光源（22）的背光源（20） 水晶面板（10）。 多个像素（P）中的每一个包括四个以上的子像素（R，G，B，Ye），光源单元（22）包括红色光源（22R），绿色光源（22G） ，和蓝色光源（22B）。 根据本发明，提供一种能够以低功耗进行宽彩色再现范围的显示的液晶显示装置。
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公开(公告)号：US20140253422A1
公开(公告)日：2014-09-11
申请号：US14241766
申请日：2012-08-28
IPC分类号： G09G3/36
CPC分类号： G09G3/3607 , G02F1/133514 , G09G2320/0242 , G09G2320/028 , G09G2340/06 , G09G2360/16
摘要： This liquid crystal display device (100) includes a pixel defined by a plurality of subpixels that includes red, green, blue and yellow subpixels (R, G, B, Ye). As long as the sum of respective luminances of all of the subpixels but the blue subpixel (B) falls within the range of 0% to 50% while the color displayed by the pixel is changing from the color blue in which the blue subpixel (B) is at the highest grayscale level and the other subpixels are at the lowest grayscale level into the color white in which all of those subpixels are at the highest grayscale level substantially without changing its hue, the yellow subpixel (Ye) starts to increase its grayscale level at a different timing, and/or has its grayscale level increased at a different ratio with respect to an increase in the pixel's luminance, from the red and green subpixels (R, G) do.
摘要翻译： 该液晶显示装置（100）包括由包括红色，绿色，蓝色和黄色子像素（R，G，B，Ye）的多个子像素限定的像素。 只要所有子像素而蓝色子像素（B）的各亮度的和落在0％〜50％的范围内，而由像素显示的颜色从蓝色子像素（B ）处于最高灰度级，其他子像素处于最低灰度级，进入白色，其中所有这些子像素基本上处于最高灰度级，而不改变其色调，黄色子像素（Ye）开始增加其灰度 在与红色和绿色子像素（R，G）do相对于像素亮度增加的不同比例增加和/或其灰度等级增加。
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公开(公告)号：US20140118423A1
公开(公告)日：2014-05-01
申请号：US14128643
申请日：2012-06-22
IPC分类号： G09G3/20
CPC分类号： G09G3/2074 , G09G3/2003 , G09G3/3607 , G09G2320/0247 , G09G2320/0276 , G09G2320/028 , G09G2360/16
摘要： Viewing angle characteristics on the entire display surface are improved while suppressing harmful effects such as flicker and banding caused by viewing angle improvement control. A liquid crystal display apparatus (1) includes: a liquid crystal panel (11) which includes a plurality of pixels arranged in a matrix; a drive control unit (24) which performs viewing angle improvement processing by converting a gradation of a video signal input to the pixel; and a processing object determination unit (22) which determines whether or not an image displayed on each of the pixels of the liquid crystal panel (11) is an image having an intermediate color. The drive control unit (24) is configured to perform the viewing angle improvement processing on the pixel determined by the processing object determination unit (22) such that the pixel displays the image having the intermediate color.
摘要翻译： 改善了整个显示面上的视角特性，同时抑制由视角改善控制引起的闪烁和带状等有害影响。 液晶显示装置（1）包括：液晶面板（11），包括以矩阵排列的多个像素; 驱动控制单元（24），其通过转换输入到像素的视频信号的灰度来执行视角改善处理; 以及处理对象确定单元（22），其确定在液晶面板（11）的每个像素上显示的图像是否是具有中间颜色的图像。 驱动控制单元（24）被配置为对由处理对象确定单元（22）确定的像素执行视角改善处理，使得像素显示具有中间颜色的图像。
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公开(公告)号：US20130113847A1
公开(公告)日：2013-05-09
申请号：US13808161
申请日：2011-03-03
IPC分类号： G02F1/1335
CPC分类号： G02F1/133603 , G02F1/133514 , G02F2201/52 , G09G3/3413 , G09G3/3426 , G09G3/3607 , G09G2300/0452 , H04N5/202
摘要： The liquid crystal display device (100) of the present invention includes a liquid crystal panel (10) having a plurality of pixels (P), and a backlight (20) having at least one light source (22) that emits light to the liquid crystal panel (10). Each of the plurality of pixels (P) includes four or more sub-pixels (R, G, B, Ye), and the light source unit (22) includes a red light source (22R), a green light source (22G), and a blue light source (22B). According to the present invention, a liquid crystal display device which can perform display of wide color reproduction range with low power consumption is provided.
摘要翻译： 本发明的液晶显示装置（100）包括具有多个像素（P）的液晶面板（10）和具有向液体发光的至少一个光源（22）的背光源（20） 水晶面板（10）。 多个像素（P）中的每一个包括四个以上的子像素（R，G，B，Ye），光源单元（22）包括红色光源（22R），绿色光源（22G） ，和蓝色光源（22B）。 根据本发明，提供一种能够以低功耗进行宽彩色再现范围的显示的液晶显示装置。
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公开(公告)号：US09058783B2
公开(公告)日：2015-06-16
申请号：US14241766
申请日：2012-08-28
IPC分类号： G09G3/36 , G02F1/1335
CPC分类号： G09G3/3607 , G02F1/133514 , G09G2320/0242 , G09G2320/028 , G09G2340/06 , G09G2360/16
摘要： This liquid crystal display device (100) includes a pixel defined by a plurality of subpixels that includes red, green, blue and yellow subpixels (R, G, B, Ye). As long as the sum of respective luminances of all of the subpixels but the blue subpixel (B) falls within the range of 0% to 50% while the color displayed by the pixel is changing from the color blue in which the blue subpixel (B) is at the highest grayscale level and the other subpixels are at the lowest grayscale level into the color white in which all of those subpixels are at the highest grayscale level substantially without changing its hue, the yellow subpixel (Ye) starts to increase its grayscale level at a different timing, and/or has its grayscale level increased at a different ratio with respect to an increase in the pixel's luminance, from the red and green subpixels (R, G) do.
摘要翻译： 该液晶显示装置（100）包括由包括红色，绿色，蓝色和黄色子像素（R，G，B，Ye）的多个子像素限定的像素。 只要所有子像素而蓝色子像素（B）的各亮度的和落在0％〜50％的范围内，而由像素显示的颜色从蓝色子像素（B ）处于最高灰度级，其他子像素处于最低灰度级，进入白色，其中所有这些子像素基本上处于最高灰度级，而不改变其色调，黄色子像素（Ye）开始增加其灰度 在与红色和绿色子像素（R，G）do相对于像素亮度增加的不同比例增加和/或其灰度等级增加。
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6.发明授权Signal conversion circuit and multi-primary color liquid crystal display device comprising same 有权信号转换电路和包括该信号转换电路的多原色液晶显示装置公开(公告)号：US09165494B2
公开(公告)日：2015-10-20
申请号：US13976150
申请日：2011-12-22
申请人： Yuichi Yoshida , Tomohiko Mori , Kazunari Tomizawa , Kohzoh Nakamura , Shun Ueki
发明人： Yuichi Yoshida , Tomohiko Mori , Kazunari Tomizawa , Kohzoh Nakamura , Shun Ueki
CPC分类号： G09G3/2003 , G09G3/3611 , G09G2300/0452 , G09G2320/0666 , G09G2340/06 , H04N9/67
摘要： A signal conversion circuit (20) is used for a multiple-primary color liquid crystal display device (100) which performs color display using four primary colors of red displayed by a red-sub pixel (R), green displayed by green-sub pixel (G), blue displayed by blue-sub pixel (B), and yellow displayed by yellow-sub pixel (Ye), and converts an input three-primary color video signal into a multiple-primary color video signal corresponding to four primary colors. The signal conversion circuit (20) performs signal conversion such that a gray scale level of the yellow-sub pixel (Ye) is higher than a gray scale level of the green-sub pixel (G) in at least some cases from among cases in which a red gray-scale level r, a green gray-scale level g, and a blue gray-scale level b which are displayed by the three-primary color video signal satisfy a relationship of r>g>b.
摘要翻译： 信号转换电路（20）用于使用由红色子像素（R）显示的红色的四原色进行彩色显示的多原色液晶显示装置（100），由绿色子像素显示的绿色 （G），由蓝色子像素（B）显示的蓝色，以及由黄色子像素（Ye）显示的黄色，并将输入的三原色视频信号转换成对应于四个基色的多原色视频信号 。 信号变换电路（20）进行信号变换，使得黄色子像素（Ye）的灰度级别比绿色子像素（G）的灰度级水平高于至少一些情况下的绿色子像素（G）的灰度级 由三原色视频信号显示的红色灰度级r，绿色灰度级g和蓝色灰度级b满足r> g> b的关系。
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公开(公告)号：US20120313981A1
公开(公告)日：2012-12-13
申请号：US13578633
申请日：2011-02-08
申请人： Shun Ueki , Kohzoh Nakamura , Kazunari Tomizawa , Tomohiko Mori , Yuichi Yoshida
发明人： Shun Ueki , Kohzoh Nakamura , Kazunari Tomizawa , Tomohiko Mori , Yuichi Yoshida
IPC分类号： G09G5/10
CPC分类号： G09G3/3607 , G09G3/2003 , G09G2300/0452 , G09G2340/06
摘要： A display device (100) according to the present invention includes a pixel defined by a plurality of sub pixels. The plurality of sub pixels are a red sub pixel (R) to display red, a green sub pixel (G) to display green, a blue sub pixel (B) to display blue, and a yellow sub pixel (Ye) to display yellow. When an input signal corresponding to green of the sRGB color space is externally input, the display device (100) according to the present invention provides display by use of the green sub pixel (G) and also the yellow sub pixel (Ye). According to the present invention, a multiple primary color display device which suppresses decline of the display quality when an input signal corresponding to green of the sRGB color space is externally input is provided.
摘要翻译： 根据本发明的显示装置（100）包括由多个子像素限定的像素。 多个子像素是显示红色的红色子像素（R），显示绿色的绿色子像素（G），显示蓝色的蓝色子像素（B）和显示黄色的黄色子像素（Ye） 。 当外部输入对应于sRGB色彩空间的绿色的输入信号时，根据本发明的显示装置（100）通过使用绿色子像素（G）和黄色子像素（Ye）提供显示。 根据本发明，提供了当外部输入与sRGB色彩空间的绿色对应的输入信号时抑制显示质量下降的多原色显示装置。
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公开(公告)号：US20120281033A1
公开(公告)日：2012-11-08
申请号：US13520243
申请日：2011-01-06
申请人： Yuichi Yoshida , Kazunari Tomizawa , Tomohiko Mori
发明人： Yuichi Yoshida , Kazunari Tomizawa , Tomohiko Mori
CPC分类号： G09G3/3648 , G02F2201/52 , G09G3/2074 , G09G5/026 , G09G2300/0452 , G09G2320/0242 , G09G2320/0666 , G09G2340/06
摘要： A liquid crystal display device (100) according to the present invention includes a liquid crystal display panel (10) and a driving circuit (20) that supplies display signals to a plurality of subpixels of the liquid crystal display panel (10). The plurality of subpixels are a red subpixel (R), a green subpixel (G), a blue subpixel (B), and a yellow subpixel (Ye). When achromatic colors of at least some gray levels among all gray levels are to be displayed by the pixel, display signals which are supplied to a first subpixel group composed of certain two subpixels are display signals of the same grayscale level, whereas display signals which are supplied to a second subpixel group composed of the other two subpixels are display signals of a different grayscale level from the grayscale level of the display signals supplied to the first subpixel group. The first subpixel group includes the yellow subpixel (Ye), and the second subpixel group includes the blue subpixel (B). According to the present invention, a white point adjustment technique which is suitably used for a multiprimary liquid crystal display device that performs multicolor display by using four primary colors is provided.
摘要翻译： 根据本发明的液晶显示装置（100）包括向液晶显示面板（10）的多个子像素提供显示信号的液晶显示面板（10）和驱动电路（20）。 多个子像素是红色子像素（R），绿色子像素（G），蓝色子像素（B）和黄色子像素（Ye）。 当由像素显示所有灰度级中的至少一些灰度级的无彩色时，提供给由特定两个子像素构成的第一子像素组的显示信号是相同灰度级的显示信号，而显示信号 提供给由其他两个子像素构成的第二子像素组是从提供给第一子像素组的显示信号的灰度级别的不同灰度级的显示信号。 第一子像素组包括黄色子像素（Ye），第二子像素组包括蓝色子像素（B）。 根据本发明，提供了适用于通过使用四原色执行多色显示的多原色液晶显示装置的白点调整技术。
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9.发明申请SIGNAL CONVERSION CIRCUIT, AND MULTIPLE PRIMARY COLOR LIQUID CRYSTAL DISPLAY DEVICE HAVING THE CIRCUIT 审中-公开信号转换电路和具有电路的多个主色彩液晶显示装置公开(公告)号：US20110080520A1
公开(公告)日：2011-04-07
申请号：US12993906
申请日：2009-05-21
申请人： Kazunari Tomizawa , Kohzoh Nakamura , Shun Ueki , Tomohiko Mori , Yuichi Yoshida
发明人： Kazunari Tomizawa , Kohzoh Nakamura , Shun Ueki , Tomohiko Mori , Yuichi Yoshida
CPC分类号： G09G5/02 , G02F1/133707 , G02F2001/134372 , G02F2201/52 , G09G3/006 , G09G3/2003 , G09G3/3607 , G09G3/3611 , G09G2300/0426 , G09G2300/0443 , G09G2300/0452 , G09G2300/0486 , G09G2320/0242 , G09G2320/028 , G09G2340/06
摘要： There is provided a signal conversion circuit which is suitably used in a multiprimary liquid crystal display device (especially a multiprimary liquid crystal display device which performs display in a vertical alignment mode), and a multiprimary liquid crystal display device having such a signal conversion circuit.A signal conversion circuit according to the present invention is for use in a multiprimary liquid crystal display device which performs display in a vertical alignment mode, and converts an input video signal to a multiprimary signal corresponding to four or more primary colors. When generating a multiprimary signal for displaying dark skin, the signal conversion circuit according to the present invention applies a conversion to the video signal so that a color difference Δu′v′=((u′−u60′)2+(v′−v60′)2) is 0.03 or less, the color difference Δu′v′ being defined by CIE1976 chromaticity coordinates (u′, v′) representing a chromaticity when the pixel is viewed from the frontal direction and CIE1976 chromaticity coordinates (u60′, v60′) representing a chromaticity when the pixel is viewed from a 60° oblique direction.
摘要翻译： 提供了适用于多原色液晶显示装置（特别是以垂直取向模式进行显示的多原色液晶显示装置）的信号转换电路以及具有这种信号转换电路的多原色液晶显示装置。 根据本发明的信号转换电路用于以垂直对准模式执行显示的多原色液晶显示装置，并将输入视频信号转换为与四种或更多原色对应的多原色信号。 当产生用于显示暗皮肤的多原色信号时，根据本发明的信号转换电路将转换应用于视频信号，使得色差Dgr u'v'=（（u'-u60'）2+（v '-v60'）2）为0.03以下，由CIE1976色度坐标（u'，v'）定义的色差＆Dgr; u'v'表示从正面观察像素时的色度，CIE1976色度坐标 （u60'，v60'）表示当从60°倾斜方向观看像素时的色度。
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10.发明授权公开(公告)号：US08780029B2
公开(公告)日：2014-07-15
申请号：US13119978
申请日：2009-09-18
申请人： Kozo Nakamura , Shun Ueki , Kazunari Tomizawa , Tomohiko Mori , Yuichi Yoshida
发明人： Kozo Nakamura , Shun Ueki , Kazunari Tomizawa , Tomohiko Mori , Yuichi Yoshida
CPC分类号： G09G3/3655 , G02F2201/52 , G09G2300/0426 , G09G2300/0443 , G09G2300/0452 , G09G2320/0242 , G09G2320/028 , G09G2340/06
摘要： A multiprimary liquid crystal display device in which deteriorations in display quality caused by the coloration of a gray representation when viewed from an oblique direction are suppressed, and a signal conversion circuit for use in such a multiprimary liquid crystal display device are provided.A signal conversion circuit according to the present invention is for use in a multiprimary liquid crystal display device, the multiprimary liquid crystal display device having a pixel defined by a plurality of subpixels including a red subpixel, a green subpixel, a blue subpixel, and a yellow subpixel, and performing multicolor display by using four or more primary colors to be displayed by the plurality of subpixels, the signal conversion circuit converting an input video signal to a multiprimary signal corresponding to four or more primary colors. When a video signal for the pixel to display a gray color having a normalized luminance of no less than 0.2 and no more than 0.3 is input, the signal conversion circuit according to the present invention performs a conversion of the video signal so that, among the normalized luminances of the plurality of subpixels, the yellow subpixel has the lowest normalized luminance.
摘要翻译： 抑制了从倾斜方向观察时由灰色表示着色引起的显示质量恶化的多原色液晶显示装置，并且提供了用于这种多原色液晶显示装置的信号转换电路。 根据本发明的信号转换电路用于多原色液晶显示装置中，所述多原色液晶显示装置具有由包括红色子像素，绿色子像素，蓝色子像素和多个子像素的多个子像素所限定的像素 黄色子像素，并且通过使用由多个子像素显示的四个或更多个原色进行多色显示，信号转换电路将输入视频信号转换为对应于四个或更多原色的多原色信号。 当输入用于显示具有不小于0.2且不大于0.3的归一化亮度的灰度的像素的视频信号时，根据本发明的信号转换电路执行视频信号的转换，使得在 多个子像素的归一化亮度，黄色子像素具有最低归一化亮度。
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