公开(公告)号：US08233007B2

公开(公告)日：2012-07-31

申请号：US12375741

申请日：2007-07-30

申请人： Kazunari Tomizawa ,  Shun Ueki

发明人： Kazunari Tomizawa ,  Shun Ueki

IPC分类号： G09G5/02

CPC分类号： G09G5/02 ,  H04N9/67

摘要： A display device using a number n of primary colors (where n is a natural number that is equal to or greater than four) includes a video signal converting section that receives an m-primary-color signal representing a number m of primary colors (where is m is also a natural number that is smaller than n) and that converts the m-primary-color signal into an n-primary -color signal representing the n primary colors. The n primary colors include a color that is complementary to a particular one of the m primary colors. The video signal converting section generates the n-primary-color signal such that if a color component representing the particular primary color of the m-primary-color signal has a negative level, the complementary primary color has an increased luminance and the other non-complementary primary colors have decreased luminances compared to a situation where the color component representing the particular primary color is zero.

摘要翻译： 使用n个原色（其中n是等于或大于4的自然数）的显示装置包括视频信号转换部，其接收表示原色数量m的m原色信号（其中 m也是小于n的自然数，并且将m原色信号转换为表示n原色的n原色信号。 n原色包括与m个原色中的特定的一个颜色互补的颜色。 视频信号转换部分产生n原色信号，使得如果表示m原色信号的特定原色的色彩分量具有负电平，则互补原色具有增加的亮度， 与表示特定原色的颜色分量为零的情况相比，互补原色具有降低的亮度。

公开(公告)号：US08654116B2

公开(公告)日：2014-02-18

申请号：US13611600

申请日：2012-09-12

申请人： Kazunari Tomizawa ,  Tomohiko Mori ,  Shun Ueki ,  Takao Muroi

发明人： Kazunari Tomizawa ,  Tomohiko Mori ,  Shun Ueki ,  Takao Muroi

IPC分类号： G06F3/038 ,  G09G5/00 ,  H04N9/30

CPC分类号： G09G3/3607 ,  G02F1/133514 ,  G02F2201/52 ,  G09G2300/0447 ,  G09G2300/0452 ,  G09G2320/0242 ,  G09G2340/06

摘要： A signal conversion circuit is disclosed which is suitably used in a multiprimary liquid crystal display device, and a multiprimary liquid crystal display device having such a signal conversion circuit. A signal conversion circuit according to one embodiment of the present invention is for use in a multiprimary liquid crystal display device, 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 an embodiment of 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： 公开了适用于多原色液晶显示装置的信号转换电路和具有这种信号转换电路的多原色液晶显示装置。 根据本发明的一个实施例的信号转换电路用于多原色液晶显示装置，并将输入视频信号转换成对应于四个或更多原色的多原色信号。 当产生用于显示暗皮肤的多原色信号时，根据本发明的实施例的信号转换电路将转换应用于视频信号，使得色差Deltau'v'=（（u'-u60'）2+（ v'-v60'）2）为0.03以下时，色差Deltau'v'由CIE1976色度坐标（u'，v'）定义，表示当从正面方向观察像素时的色度和CIE1976色度坐标（ u60'，v60'），表示当从60°倾斜方向观察像素时的色度。

公开(公告)号：US09177512B2

公开(公告)日：2015-11-03

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 ,  G09G3/36 ,  G09G3/20

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。

公开(公告)号：US08294739B2

公开(公告)日：2012-10-23

申请号：US12312747

申请日：2007-11-20

申请人： Kazunari Tomizawa ,  Tomohiko Mori ,  Shun Ueki ,  Takao Muroi

发明人： Kazunari Tomizawa ,  Tomohiko Mori ,  Shun Ueki ,  Takao Muroi

IPC分类号： G09G5/02 ,  G09G3/34 ,  G01R31/26

CPC分类号： G09G3/3607 ,  G02F1/133514 ,  G02F2201/52 ,  G09G2300/0447 ,  G09G2300/0452 ,  G09G2320/0242 ,  G09G2340/06

摘要： In one embodiment of the present invention, a signal conversion circuit is disclosed which is suitably used in a multiprimary liquid crystal display device, and a multiprimary liquid crystal display device having such a signal conversion circuit. A signal conversion circuit according to one embodiment of the present invention is for use in a multiprimary liquid crystal display device, 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 an embodiment of 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： 在本发明的一个实施例中，公开了适用于多原色液晶显示装置的信号转换电路和具有这种信号转换电路的多原色液晶显示装置。 根据本发明的一个实施例的信号转换电路用于多原色液晶显示装置，并将输入视频信号转换成对应于四个或更多原色的多原色信号。 当产生用于显示暗皮肤的多原色信号时，根据本发明的实施例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， 表示当从60°倾斜方向观看像素时的色度的CIE1976色度坐标（u60'，v60'）。

公开(公告)号：US20100053235A1

公开(公告)日：2010-03-04

申请号：US12312747

申请日：2007-11-20

申请人： Kazunari Tomizawa ,  Tomohiko Mori ,  Shun Ueki ,  Takao Muroi

发明人： Kazunari Tomizawa ,  Tomohiko Mori ,  Shun Ueki ,  Takao Muroi

IPC分类号： G09G5/02 ,  G09G3/36

CPC分类号： G09G3/3607 ,  G02F1/133514 ,  G02F2201/52 ,  G09G2300/0447 ,  G09G2300/0452 ,  G09G2320/0242 ,  G09G2340/06

摘要： In one embodiment of the present invention, a signal conversion circuit is disclosed which is suitably used in a multiprimary liquid crystal display device, and a multiprimary liquid crystal display device having such a signal conversion circuit. A signal conversion circuit according to one embodiment of the present invention is for use in a multiprimary liquid crystal display device, 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 an embodiment of 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： 在本发明的一个实施例中，公开了适用于多原色液晶显示装置的信号转换电路和具有这种信号转换电路的多原色液晶显示装置。 根据本发明的一个实施例的信号转换电路用于多原色液晶显示装置，并将输入视频信号转换成对应于四个或更多原色的多原色信号。 当产生用于显示暗皮肤的多原色信号时，根据本发明的实施例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， 表示当从60°倾斜方向观看像素时的色度的CIE1976色度坐标（u60'，v60'）。

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

IPC分类号： G09G3/36 ,  G09G3/20 ,  H04N9/67

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。

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。

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

IPC分类号： H04N9/30 ,  H04N7/01

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。

公开(公告)号：US20090322779A1

公开(公告)日：2009-12-31

申请号：US12375741

申请日：2007-07-30

申请人： Kazunari Tomizawa ,  Shun Ueki

发明人： Kazunari Tomizawa ,  Shun Ueki

IPC分类号： G09G5/02

CPC分类号： G09G5/02 ,  H04N9/67

摘要： A display device is designed to conduct a display operation using a number n of primary colors (where n is a natural number that is equal to or greater than four). The display device includes a video signal converting section that receives an m-primary-color signal representing a number m of primary colors (where is m is also a natural number that is smaller than n) and that converts the m-primary-color signal into an n-primary-color signal representing the n primary colors. The n primary colors include a color that is complementary to a particular one of the m primary colors. The video signal converting section generates the n-primary-color signal such that if a color component representing the particular primary color of the m-primary-color signal has a negative level, the complementary primary color has an increased luminance and the other non-complementary primary colors have decreased luminances compared to a situation where the color component representing the particular primary color is zero.

摘要翻译： 显示装置被设计为使用数量为n的原色（其中n是等于或大于4的自然数）进行显示操作。 显示装置包括视频信号转换部，其接收表示原色数m的m原色信号（其中m也是小于n的自然数），并且将m原色信号 成为表示n原色的n原色信号。 n原色包括与m个原色中的特定的一个颜色互补的颜色。 视频信号转换部分产生n原色信号，使得如果表示m原色信号的特定原色的色彩分量具有负电平，则互补原色具有增加的亮度， 与表示特定原色的颜色分量为零的情况相比，互补原色具有降低的亮度。

公开(公告)号：US08654050B2

公开(公告)日：2014-02-18

申请号：US12676421

申请日：2008-09-11

申请人： Shun Ueki ,  Kohzoh Nakamura ,  Akiko Miyazaki

发明人： Shun Ueki ,  Kohzoh Nakamura ,  Akiko Miyazaki

IPC分类号： G09G3/36

CPC分类号： G09G3/3607 ,  G02F2201/52 ,  G09G3/3614 ,  G09G3/3648 ,  G09G5/20 ,  G09G2300/0443 ,  G09G2300/0452 ,  G09G2300/0876 ,  G09G2320/0242 ,  G09G2320/028 ,  G09G2320/0666 ,  G09G2340/0457 ,  G09G2340/06

摘要： A multi-primary-color liquid crystal display device according to the present invention is adapted to conduct a display operation in at least four primary colors. The device has a plurality of pixels that form at least two different types of subsets. The device can perform rendering processing in which at least one of the pixels that form a first one of the at least two different types of subsets lends a luminance to a second type of subset. Each pixel includes a first sub-pixel and a second sub-pixel that could have mutually different luminance. The second type of subset borrows a luminance from one of the first and second sub-pixels of the at least one pixel that has the higher luminance.

摘要翻译： 根据本发明的多原色液晶显示装置适于以至少四种基色进行显示操作。 该装置具有形成至少两种不同类型的子集的多个像素。 该设备可以执行渲染处理，其中形成至少两个不同类型的子集中的第一个的像素中的至少一个将亮度提供给第二类型的子集。 每个像素包括可以具有相互不同亮度的第一子像素和第二子像素。 第二类型的子集从具有较高亮度的至少一个像素的第一和第二子像素中的一个借用亮度。