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    • 1. 发明申请
    • Driving Control Apparatus of Display Apparatus, Display Method, Display Apparatus, Display Monitor, and Television Receiver
    • 显示装置,显示方法,显示装置,显示监视器和电视接收机的驱动控制装置
    • US20100164996A1
    • 2010-07-01
    • US11990018
    • 2006-08-08
    • Kazunari TomizawaMakoto ShiomiShinji Horino
    • Kazunari TomizawaMakoto ShiomiShinji Horino
    • G06F3/038G09G5/10
    • G09G3/2022G02F2203/30G09G3/3648G09G2320/0252G09G2340/16G09G2360/16
    • In one embodiment of the present invention, to time-divide one frame of an input image signal into a first-half sub frame and a second-half sub frame, the grayscale of the signal in the second-half sub frame is set at a grayscale for dark display and the grayscale of the display signal of the first-half sub frame is adjusted, when the input image signal indicates low brightness. When an image with high brightness is displayed, the grayscale of the display signal of the first-half sub frame is set at a second predetermined value smaller than the maximum value and the grayscale of the display signal of the second-half sub frame is adjusted. Thereafter, in accordance with a combination of the input image signals of the (N−1)-th frame and the N-th frame, overshoot is performed with respect to the display signal of the first-half sub frame, in such a way as to restrain the decrease in the moving image quality on account of an insufficient response of a display module. In doing so, a grayscale within a range from the second predetermined value to the maximum value is used according to the need. As a result, overshoot driving is feasible in the first sub frame, and hence it is possible to restrain the decrease in the moving image quality due to an insufficient response of an image display panel, in all types of combinations of image signals in the current frame and the previous frame.
    • 在本发明的一个实施例中,为了将输入图像信号的一帧时分为前半个子帧和后半个子帧,将后半个子帧中的信号的灰阶设置为 当输入图像信号表示低亮度时,调整用于暗显示的灰阶和上半个子帧的显示信号的灰阶。 当显示高亮度的图像时,前半个子帧的显示信号的灰阶被设置为小于最大值的第二预定值,并且调整后半子帧的显示信号的灰阶 。 此后,根据第(N-1)帧和第N帧的输入图像信号的组合,以这样的方式相对于前半个子帧的显示信号执行过冲 以便由于显示模块的反应不足而抑制运动图像质量的降低。 在这样做时,根据需要使用从第二预定值到最大值的范围内的灰度。 结果,在第一子帧中过冲驱动是可行的,并且因此可以在当前的图像信号的所有类型的组合中抑制由于图像显示面板的响应不足引起的运动图像质量的降低 帧和前一帧。
    • 3. 发明授权
    • Display device, display device adjustment method, image display monitor, and television receiver
    • 显示装置,显示装置调整方法,图像显示监视器和电视接收机
    • US08243105B2
    • 2012-08-14
    • US11795719
    • 2006-03-10
    • Kazunari TomizawaTomohiko MoriShinji HorinoMakoto Shiomi
    • Kazunari TomizawaTomohiko MoriShinji HorinoMakoto Shiomi
    • G09G5/10G09G3/36
    • G09G3/3648G09G3/2025G09G3/2074G09G2300/0443G09G2300/0447G09G2300/0876G09G2320/0219G09G2320/0276G09G2320/028G09G2320/0693G09G2360/18
    • The display device of an embodiment of the present invention includes a display section which includes a pixel having a plurality of sub pixels and displays an image whose luminance is based on a luminance gradation of an inputted display signal, wherein the display section is arranged so that an integral value obtained by carrying out the following steps (a) to (d) is not more than 0.0202, the step (a) of measuring surface luminance of the display section and oblique luminance of the display section viewed at 60° from a front direction of the display section, the step (b) of standardizing the front luminance and the oblique luminance so as to calculate front standardized brightness x and oblique standardized brightness, the step (c) of determining n of x^(n/2.2) so that an integral value of a difference between x^(n/2.2) and the front standardized brightness x is equal to an integral value of a difference between the oblique standardized brightness and the front standardized brightness x, the step (d) of integrating an absolute value of a difference between x^(n/2.2) and the oblique standardized brightness, from minimum luminance to maximum luminance of the front standardized brightness x, so as to obtain an integral value.
    • 本发明实施例的显示装置包括显示部分,其包括具有多个子像素的像素,并且显示其亮度基于所输入的显示信号的亮度等级的图像,其中显示部分被布置成使得 通过执行以下步骤(a)至(d)获得的积分值不大于0.0202,测量显示部分的表面亮度和从前方观察60°的显示部分的倾斜亮度的步骤(a) 显示部分的方向,标准化前方亮度和倾斜亮度的步骤(b),以便计算前面的标准化亮度x和倾斜的标准化亮度,确定x ^(n / 2.2)的n的步骤(c) x ^(n / 2.2)和前面标准化亮度x之间的差值的积分值等于倾斜标准化亮度和前面标准化亮度之间的差的积分值 ss x,从前标准化亮度x的最小亮度到最大亮度,将x ^(n / 2.2)之间的差的绝对值与倾斜标准化亮度进行积分的步骤(d),以获得积分值 。
    • 6. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF
    • 液晶显示装置及其驱动方法
    • US20110267383A1
    • 2011-11-03
    • US13138073
    • 2010-02-09
    • Hirofumi MurakamiYuhji TanakaShinji Horino
    • Hirofumi MurakamiYuhji TanakaShinji Horino
    • G09G3/36G09G5/10
    • G09G3/3426G09G3/3611G09G2310/0237G09G2320/0252G09G2320/0261G09G2320/041G09G2320/064G09G2320/0646G09G2330/021G09G2340/16
    • An object of at least one embodiment of the present invention is to provide a liquid crystal display device and a driving method thereof, in which a contour of an image is clearly recognized during movie display even in a case where a backlight is turned on and off so as to change intervals at which the backlight turns on. In at least one embodiment, the liquid crystal display device includes a liquid crystal panel and the backlight that irradiates the liquid crystal panel with light, one frame period including a turn-on period during which the backlight turns on and a turn-off period during which the backlight turns off, luminance being changed by changing turn-on intervals of the backlight, the turn-on intervals of the backlight being changed by changing lengths of the turn-on period and the turn-off period. The liquid crystal display device further includes an OS process circuit for controlling a drive voltage to be applied to the liquid crystal panel by setting an amplitude of the drive voltage to be applied to the liquid crystal panel during a gray scale transition. The OS process circuit sets the amplitude of the drive voltage to be applied to the liquid crystal panel during the gray scale transition so as to be greater as the turn-on period of the backlight is longer under a condition where gray scales that have not been subjected to a gray scale transition is equal to gray scales that have been subjected to the gray scale transition in a case where the turn-on period of the backlight varies.
    • 本发明的至少一个实施例的目的是提供一种液晶显示装置及其驱动方法,其中即使在背光打开和关闭的情况下,在电影显示期间也可以清楚地识别图像的轮廓 以便改变背光打开的间隔。 在至少一个实施例中,液晶显示装置包括液晶面板和用光照射液晶面板的背光源,一帧周期包括背光灯接通的导通周期和关闭时间段 背光源熄灭,通过改变背光的接通间隔来改变亮度,通过改变接通时间段和关断时段的长度来改变背光的接通间隔。 液晶显示装置还包括OS处理电路,用于通过在灰阶转换期间设定施加到液晶面板的驱动电压的幅度来控制施加到液晶面板的驱动电压。 OS处理电路在灰阶转换期间将施加到液晶面板的驱动电压的幅度设置为随着背光源的导通周期在未被 在背光源的开启周期变化的情况下,进行灰阶转换等于灰阶转换的灰度级。
    • 7. 发明申请
    • Display Device, Display Device Adjustment Method, Image Display Monitor, and Television Receiver
    • 显示设备,显示设备调整方法,图像显示监视器和电视接收器
    • US20080024409A1
    • 2008-01-31
    • US11795719
    • 2006-03-10
    • Kazunari TomizawaTomohiko MoriShinji HorinoMakoto Shiomi
    • Kazunari TomizawaTomohiko MoriShinji HorinoMakoto Shiomi
    • G09G3/36G09G3/20H04N5/50
    • G09G3/3648G09G3/2025G09G3/2074G09G2300/0443G09G2300/0447G09G2300/0876G09G2320/0219G09G2320/0276G09G2320/028G09G2320/0693G09G2360/18
    • The display device of an embodiment of the present invention includes a display section which includes a pixel having a plurality of sub pixels and displays an image whose luminance is based on a luminance gradation of an inputted display signal, wherein the display section is arranged so that an integral value obtained by carrying out the following steps (a) to (d) is not more than 0.0202, the step (a) of measuring surface luminance of the display section and oblique luminance of the display section viewed at 60° from a front direction of the display section, the step (b) of standardizing the front luminance and the oblique luminance so as to calculate front standardized brightness x and oblique standardized brightness, the step (c) of determining n of xˆ(n/2.2) so that an integral value of a difference between xˆ(n/2.2) and the front standardized brightness x is equal to an integral value of a difference between the oblique standardized brightness and the front standardized brightness x, the step (d) of integrating an absolute value of a difference between xˆ(n/2.2) and the oblique standardized brightness, from minimum luminance to maximum luminance of the front standardized brightness x, so as to obtain an integral value.
    • 本发明实施例的显示装置包括显示部分,其包括具有多个子像素的像素,并且显示其亮度基于所输入的显示信号的亮度等级的图像,其中显示部分被布置成使得 通过执行以下步骤(a)至(d)获得的积分值不大于0.0202,测量显示部分的表面亮度和从前方观察到60°的显示部分的倾斜亮度的步骤(a) 显示部分的方向,标准化前方亮度和倾斜亮度的步骤(b),以便计算前面的标准化亮度x和倾斜的标准化亮度;确定x(n / 2.2)的n的步骤(c),使得 x(n / 2.2)和前面标准化亮度x的差的积分值等于倾斜标准化亮度与前面标准亮度之间的差的积分值 n是从前面标准化亮度x的最小亮度到最大亮度的x(n / 2.2)和倾斜标准化亮度之间的差的绝对值积分的步骤(d),以获得积分值。