公开(公告)号：US08228268B2

公开(公告)日：2012-07-24

申请号：US12595246

申请日：2008-05-15

申请人： Hideto Mori ,  Ken Kikuchi ,  Yasuo Inoue ,  Takeya Meguro ,  Hidehiko Shidara ,  Masahiro Ito ,  Toyo Osumi

发明人： Hideto Mori ,  Ken Kikuchi ,  Yasuo Inoue ,  Takeya Meguro ,  Hidehiko Shidara ,  Masahiro Ito ,  Toyo Osumi

IPC分类号： G09G3/30

CPC分类号： H04N9/73 ,  G09G3/3225 ,  G09G2310/0232 ,  G09G2320/045 ,  G09G2320/048 ,  G09G2320/0666 ,  G09G2320/0673 ,  G09G2320/103 ,  G09G2340/0442 ,  G09G2340/16 ,  G09G2360/145 ,  G09G2360/16

摘要： There is provided a display device including a display unit having pixels, each of which includes a luminescence element for individually emitting light depending on a current amount and a pixel circuit for controlling a current applied to the luminescence element according to a picture signal, scan lines which supply a selection signal for selecting the pixels to emit light to the pixels in a predetermined scanning cycle, and data lines which supply the picture signal to the pixels, the pixels, the scan lines, and the data lines arranged in a matrix pattern, the display device including: a luminescence amount detector for inputting a picture signal with a linear characteristic to detect a luminescence amount from the picture signal; a luminescence time calculator for calculating a luminescence time for the luminescence element based on the luminescence amount detected by the luminescence amount detector; a luminescence time recorder for recording the calculated luminescence time; a luminance acquirer for acquiring luminance information of the luminescence element by use of the luminescence time recorded in the luminescence time recorder; a coefficient calculator for calculating a coefficient by which the picture signal is multiplied, based on the luminance information acquired by the luminance acquirer; and a coefficient multiplier for multiplying the picture signal by the coefficient calculated by the coefficient calculator.

摘要翻译： 提供了一种显示装置，包括具有像素的显示单元，每个显示单元包括用于根据电流量单独发光的发光元件和用于根据图像信号控制施加到发光元件的电流的像素电路，扫描线 其提供用于选择在预定扫描周期中向像素发光的像素的选择信号，以及将图像信号提供给以矩阵图案排列的像素，像素，扫描线和数据线的数据线， 所述显示装置包括：发光量检测器，用于输入具有线性特征的图像信号，以从所述图像信号检测发光量; 发光时间计算器，用于基于由发光量检测器检测的发光量来计算发光元件的发光时间; 用于记录计算出的发光时间的发光时间记录器; 亮度获取器，用于通过使用记录在发光时间记录器中的发光时间来获取发光元件的亮度信息; 系数计算器，用于基于由所述亮度获取器获取的亮度信息来计算所述图像信号相乘的系数; 以及系数乘法器，用于将图像信号乘以由系数计算器计算的系数。

公开(公告)号：US20080284767A1

公开(公告)日：2008-11-20

申请号：US12121437

申请日：2008-05-15

申请人： Hideto Mori ,  Ken Kikuchi ,  Yasuo Inoue ,  Takeya Meguro ,  Hidehiko Shidara ,  Masahiro Ito ,  Toyo Osumi

发明人： Hideto Mori ,  Ken Kikuchi ,  Yasuo Inoue ,  Takeya Meguro ,  Hidehiko Shidara ,  Masahiro Ito ,  Toyo Osumi

IPC分类号： G06F3/038

CPC分类号： H04N9/73 ,  G09G3/3225 ,  G09G2310/0232 ,  G09G2320/045 ,  G09G2320/048 ,  G09G2320/0666 ,  G09G2320/0673 ,  G09G2320/103 ,  G09G2340/0442 ,  G09G2340/16 ,  G09G2360/145 ,  G09G2360/16

摘要： A display device includes: a light emission amount detecting section which inputs video signals having linear property and detects an amount of light emission from the video signals; a light emitting time calculating section which calculates light emitting time of the light emitting elements based on the amount of light emission detected by the light emission amount detecting section; a light emitting time recording section which records the calculated light emitting time; a luminance acquiring section which, acquires luminance information of the light emitting elements using the light emitting time recorded in the light emitting time recording section; a coefficient calculating section which calculates coefficients by which the video signals are multiplied based on the luminance information acquired by the luminance acquiring section; and a coefficient multiplying section which multiplies the video signals by the coefficients calculated by the coefficient calculating section.

摘要翻译： 显示装置包括：发光量检测部，其输入具有线性特性的视频信号，并检测来自视频信号的发光量; 发光时间计算部，其基于由所述发光量检测部检测出的发光量来计算所述发光元件的发光时间; 记录计算出的发光时间的发光时间记录部; 亮度获取部分，使用记录在发光时间记录部分中的发光时间获取发光元件的亮度信息; 系数计算部，其基于由所述亮度获取部获取的亮度信息，计算所述视频信号相乘的系数; 以及系数乘法部分，其将视频信号乘以由系数计算部分计算的系数。

公开(公告)号：US08836635B2

公开(公告)日：2014-09-16

申请号：US13127748

申请日：2009-12-09

申请人： Hideto Mori ,  Yasuo Inoue

发明人： Hideto Mori ,  Yasuo Inoue

IPC分类号： G09G3/34 ,  G09G3/32

CPC分类号： G09G3/3208 ,  G09G3/3426 ,  G09G2320/0247 ,  G09G2320/041 ,  G09G2320/0626 ,  G09G2320/064 ,  G09G2320/0666 ,  G09G2360/145 ,  G09G2360/16

摘要： A display device is provided, including circuitry configured to calculate a table representing a relationship between an average brightness and a gain of a video signal; revise the table in order to reduce a change amount of a gain of each frame in the table; calculate an average brightness of a video signal input for each frame; calculate a gain of a video signal from the table based on the calculated average brightness; adjust a video signal using the calculated gain; and a display panel that includes a plurality of pixels that emit light in response to a video signal and displays a video based on the adjusted video signal. A brightness adjustment device, a backlight device, and a method of adjusting brightness, each including the circuitry, are also provided.

摘要翻译： 提供了一种显示装置，包括被配置为计算表示平均亮度和视频信号的增益之间的关系的表的电路; 修改表格以减少表中每一帧增益的变化量; 计算每帧输入的视频信号的平均亮度; 基于计算的平均亮度计算来自该表的视频信号的增益; 使用计算的增益调整视频信号; 以及显示面板，其包括响应于视频信号发光的多个像素，并且基于经调整的视频信号显示视频。 还提供了每个包括电路的亮度调节装置，背光装置和调节亮度的方法。

公开(公告)号：US08144085B2

公开(公告)日：2012-03-27

申请号：US12121437

申请日：2008-05-15

申请人： Hideto Mori ,  Ken Kikuchi ,  Yasuo Inoue ,  Takeya Meguro ,  Hidehiko Shidara ,  Masahiro Ito ,  Toyo Osumi

发明人： Hideto Mori ,  Ken Kikuchi ,  Yasuo Inoue ,  Takeya Meguro ,  Hidehiko Shidara ,  Masahiro Ito ,  Toyo Osumi

IPC分类号： G09G3/30

CPC分类号： H04N9/73 ,  G09G3/3225 ,  G09G2310/0232 ,  G09G2320/045 ,  G09G2320/048 ,  G09G2320/0666 ,  G09G2320/0673 ,  G09G2320/103 ,  G09G2340/0442 ,  G09G2340/16 ,  G09G2360/145 ,  G09G2360/16

摘要： A display device includes: a light emission amount detecting section which inputs video signals having linear property and detects an amount of light emission from the video signals; a light emitting time calculating section which calculates light emitting time of the light emitting elements based on the amount of light emission detected by the light emission amount detecting section; a light emitting time recording section which records the calculated light emitting time; a luminance acquiring section which, acquires luminance information of the light emitting elements using the light emitting time recorded in the light emitting time recording section; a coefficient calculating section which calculates coefficients by which the video signals are multiplied based on the luminance information acquired by the luminance acquiring section; and a coefficient multiplying section which multiplies the video signals by the coefficients calculated by the coefficient calculating section.

摘要翻译： 显示装置包括：发光量检测部，其输入具有线性特性的视频信号，并检测来自视频信号的发光量; 发光时间计算部，其基于由所述发光量检测部检测出的发光量来计算所述发光元件的发光时间; 记录计算出的发光时间的发光时间记录部; 亮度获取部分，使用记录在发光时间记录部分中的发光时间获取发光元件的亮度信息; 系数计算部，其基于由所述亮度获取部获取的亮度信息，计算所述视频信号相乘的系数; 以及系数乘法部分，其将视频信号乘以由系数计算部分计算的系数。

公开(公告)号：US08139003B2

公开(公告)日：2012-03-20

申请号：US12121469

申请日：2008-05-15

申请人： Yasuo Inoue ,  Yoshihiro Kosugi ,  Ken Kikuchi ,  Takeya Meguro ,  Hideto Mori ,  Toyo Osumi

发明人： Yasuo Inoue ,  Yoshihiro Kosugi ,  Ken Kikuchi ,  Takeya Meguro ,  Hideto Mori ,  Toyo Osumi

IPC分类号： G09G3/30

CPC分类号： G09G3/3266 ,  G09G3/2014 ,  G09G3/30 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2320/043 ,  G09G2320/0626 ,  G09G2330/02 ,  G09G2330/025 ,  G09G2330/04 ,  G09G2360/16

摘要： There is provided a display device provided with a display portion, in which pixels having a light-emitting element for self-light-emitting, and a pixel circuit for controlling a current applied to a light-emitting element according to a voltage signal are arranged in a matrix, provided with an average luminance calculation portion calculating an average of luminance of an input video signal, and a light-emitting time setting portion setting a real duty defined every one frame by which light-emitting time for light emitting of the light-emitting element according to a calculated average luminance, wherein the light-emitting time setting portion sets the real duty in such a way that a light-emitting amount defined by a standard duty set beforehand and a maximum luminance among those of a video signal, and a light-emitting amount defined by a real duty to be set and an average luminance become the same as each other.

摘要翻译： 提供了一种显示装置，其具有显示部分，其中具有用于自发光的发光元件的像素和用于根据电压信号控制施加到发光元件的电流的像素电路被布置 在矩阵中设置有计算输入视频信号的亮度的平均值的平均亮度计算部分和设置每一帧定义的实际占空比的发光时间设定部分，通过该发光时间设定部分，发光的光的发光时间 根据计算出的平均亮度的发光元件，其中，所述发光时间设定部将所述实际占空比设定为使得预先设定的标准占空比限定的发光量和视频信号中的最大亮度， 以及由要设置的实际占空比和平均亮度彼此相同的发光量。

公开(公告)号：US20100165009A1

公开(公告)日：2010-07-01

申请号：US12663611

申请日：2008-06-02

申请人： Hideto Mori ,  Ken Kikuchi ,  Yasuo Inoue ,  Takeya Meguro ,  Hidehiko Shidara ,  Masahiro Ito ,  Toyo Osumi ,  Eiichi Saito

发明人： Hideto Mori ,  Ken Kikuchi ,  Yasuo Inoue ,  Takeya Meguro ,  Hidehiko Shidara ,  Masahiro Ito ,  Toyo Osumi ,  Eiichi Saito

IPC分类号： G09G5/10

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2320/0276 ,  G09G2320/043 ,  G09G2320/046 ,  G09G2320/048 ,  G09G2360/16 ,  H01L27/3244

摘要： A display device is provided that includes an amount of light emission computation portion that computes an amount of light emission based on a video signal that has a linear characteristic, an amount of light emission parameter computation portion that, based on the computed amount of light emission, computes an amount of light emission parameter that corresponds to the amount of light emission for each of one of one pixel and a group of pixels that includes a plurality of the pixels, an amount of light emission parameter accumulation portion that accumulates the amount of light emission parameters in association with the one of the one pixel and the group of pixels, a peak detection portion that detects a peak value among the accumulated amount of light emission parameters that correspond to all of the one of the one pixel and the group of pixels, a coefficient computation portion that, based on the detected peak value, computes a coefficient that adjusts a luminance, and a coefficient multiplying portion that multiplies the video signal by the computed coefficient and outputs the multiplied video signal.

摘要翻译： 提供了一种显示装置，其包括基于具有线性特性的视频信号计算发光量的发光计算部分的量，基于计算出的发光量的发光参数计算部分的量 计算对应于包括多个像素的一个像素和一组像素中的每一个的发光量的发光量的发光参数量，累积光量的发光参数累积部分的量 发射参数与一个像素和像素组中的一个相关联的峰值检测部分，其检测与一个像素和像素组中的所有像素对应的发光参数的累积量中的峰值 ，系数计算部，其基于所检测的峰值，计算调整亮度的系数和系数 nt乘法部分，将视频信号乘以所计算的系数，并输出相乘的视频​​信号。

公开(公告)号：US20080291136A1

公开(公告)日：2008-11-27

申请号：US12121469

申请日：2008-05-15

申请人： Yasuo Inoue ,  Yoshihiro Kosugi ,  Ken Kikuchi ,  Takeya Meguro ,  Hideto Mori ,  Toyo Osumi

发明人： Yasuo Inoue ,  Yoshihiro Kosugi ,  Ken Kikuchi ,  Takeya Meguro ,  Hideto Mori ,  Toyo Osumi

IPC分类号： G09G3/30 ,  H04N5/14

CPC分类号： G09G3/3266 ,  G09G3/2014 ,  G09G3/30 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2320/043 ,  G09G2320/0626 ,  G09G2330/02 ,  G09G2330/025 ,  G09G2330/04 ,  G09G2360/16

摘要： There is provided a display device provided with a display portion, in which pixels having a light-emitting element for self-light-emitting, and a pixel circuit for controlling a current applied to a light-emitting element according to a voltage signal are arranged in a matrix, provided with an average luminance calculation portion calculating an average of luminance of an input video signal, and a light-emitting time setting portion setting a real duty defined every one frame by which light-emitting time for light emitting of the light-emitting element according to a calculated average luminance, wherein the light-emitting time setting portion sets the real duty in such a way that a light-emitting amount defined by a standard duty set beforehand and a maximum luminance among those of a video signal, and a light-emitting amount defined by a real duty to be set and an average luminance become the same as each other.

摘要翻译： 提供了一种显示装置，其具有显示部分，其中具有用于自发光的发光元件的像素和用于根据电压信号控制施加到发光元件的电流的像素电路被布置 在矩阵中设置有计算输入视频信号的亮度的平均值的平均亮度计算部分和设置每一帧定义的实际占空比的发光时间设定部分，通过该发光时间设定部分发光的发光时间 根据计算出的平均亮度的发光元件，其中，所述发光时间设定部将所述实际占空比设定为使得预先设定的标准占空比限定的发光量和视频信号中的最大亮度， 以及由要设置的实际占空比和平均亮度彼此相同的发光量。

公开(公告)号：US08456492B2

公开(公告)日：2013-06-04

申请号：US12120421

申请日：2008-05-14

申请人： Hidehiko Shidara ,  Ken Kikuchi ,  Yasuo Inoue ,  Masahiro Ito ,  Hideto Mori

发明人： Hidehiko Shidara ,  Ken Kikuchi ,  Yasuo Inoue ,  Masahiro Ito ,  Hideto Mori

IPC分类号： G09G5/10

CPC分类号： G09G3/20 ,  G09G3/3208 ,  G09G2320/043 ,  G09G2320/046 ,  G09G2320/0666 ,  G09G2320/0686 ,  G09G2320/103 ,  G09G2340/16 ,  G09G2360/16

摘要： A display device includes: an average value calculating section which inputs video signals having linear property and calculates an average value of levels of the video signals in each pixel; an average value memory section which sequentially stores the average values calculated by the average value calculating section; a still image determining section which determines whether a still image is displayed on a present screen based on a difference between the average value stored in the average value memory section and a last average value; a coefficient calculating section which, when the determination is made that a still image is displayed on the present screen as a result of the determination in the still image determining section, calculates coefficients for lowering luminance of an image displayed on the display device; and a coefficient multiplying section which multiplies the video signals by the coefficients calculated by the coefficient calculating section.

摘要翻译： 显示装置包括：平均值计算部，其输入具有线性的视频信号，并计算每个像素中的视频信号的电平的平均值; 平均值存储部，其顺序地存储由所述平均值计算部计算出的平均值; 静止图像确定部，其基于存储在所述平均值存储部中的平均值与最终平均值之间的差来确定是否在当前画面上显示静止图像; 系数计算部，其作为静止图像判定部中的判断结果，当判断为在本画面上显示静止图像时，计算用于降低在显示装置上显示的图像的亮度的系数; 以及系数乘法部分，其将视频信号乘以由系数计算部分计算的系数。

公开(公告)号：US08427513B2

公开(公告)日：2013-04-23

申请号：US12598929

申请日：2008-05-15

申请人： Hidehiko Shidara ,  Ken Kikuchi ,  Yasuo Inoue ,  Masahiro Ito ,  Hideto Mori

发明人： Hidehiko Shidara ,  Ken Kikuchi ,  Yasuo Inoue ,  Masahiro Ito ,  Hideto Mori

IPC分类号： G09G5/10 ,  G09G3/30

CPC分类号： G09G3/20 ,  G09G3/3208 ,  G09G2320/043 ,  G09G2320/046 ,  G09G2320/0666 ,  G09G2320/0686 ,  G09G2320/103 ,  G09G2340/16 ,  G09G2360/16

摘要： A display device is provided which includes: a still image detection unit (122) which inputs video signals having linear characteristic and calculates an average value of signal levels of the video signals having linear characteristic per pixel; a storage unit (150) which successively stores the average values calculated by the still image detection unit (122); a still image judging unit (162) which judges whether a still image is displayed on a present screen based on a difference between the average value stored in the storage unit (150) and the last average value; a coefficient calculation unit (164) which calculates coefficients for reducing luminance of an image to be displayed when the still image judging unit (162) has judged that a still image is displayed on the present screen; and a signal level correction unit (128) which multiplies the video signals by the coefficients calculated by the coefficient calculation unit (164).

摘要翻译： 提供了一种显示装置，包括：静态图像检测单元，其输入具有线性特征的视频信号，并计算每像素具有线性特征的视频信号的信号电平的平均值; 存储单元，其连续地存储由所述静止图像检测单元计算出的平均值; 基于存储在所述存储单元（150）中的平均值与所述最后平均值之间的差异，判断在当前屏幕上是否显示静止图像的静止图像判断单元（162） 系数计算单元（164），当所述静止图像判断单元（162）判断为在当前屏幕上显示静止图像时，计算用于降低要显示的图像的亮度的系数; 以及信号电平校正单元（128），其将视频信号乘以由系数计算单元（164）计算的系数。

公开(公告)号：US20110205442A1

公开(公告)日：2011-08-25

申请号：US13127748

申请日：2009-12-09

申请人： Hideto Mori ,  Yasuo Inoue

发明人： Hideto Mori ,  Yasuo Inoue

IPC分类号： H04N5/14

CPC分类号： G09G3/3208 ,  G09G3/3426 ,  G09G2320/0247 ,  G09G2320/041 ,  G09G2320/0626 ,  G09G2320/064 ,  G09G2320/0666 ,  G09G2360/145 ,  G09G2360/16

摘要： Provided is a display device including a current-brightness table calculation unit (112) that calculates a table representing a relationship between an average brightness and a gain of a video signal, a flash control calculation unit (114) that revises the table in order to reduce a change amount of a gain of each frame in the table, a video-average brightness conversion block (106) that calculates an average brightness of a video signal input for each frame, a current-brightness control table (110) that calculates a gain of a video signal from a table based on the average brightness calculated by the video-average brightness conversion block, a video gain block (104) that adjusts a video signal using the gain calculated by the current-brightness control table, and a display panel (300) that includes a plurality of pixels that emit light in response to a video signal and display a video based on a video signal adjusted by the video signal adjustment unit.

摘要翻译： 提供了一种显示装置，其包括计算表示平均亮度和视频信号的增益之间的关系的表的当前亮度表计算单元（112），修改该表的闪光控制计算单元（114），以便 降低表中每帧的增益的变化量，计算每帧输入的视频信号的平均亮度的视频平均亮度转换块（106），计算出每帧的输入的视频信号的平均亮度 基于由视频平均亮度转换块计算出的平均亮度，来自表的视频信号的增益，使用由当前亮度控制表计算的增益来调整视频信号的视频增益块（104） 面板（300），其包括响应于视频信号发光的多个像素，并且基于由视频信号调整单元调整的视频信号显示视频。