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    • 1. 发明授权
    • Flat display apparatus and picture quality controlling method based on panel defects
    • 基于面板缺陷的平面显示设备和图像质量控制方法
    • US07839395B2
    • 2010-11-23
    • US11477228
    • 2006-06-29
    • In Jae ChungChul Sang JangYoung Woo ChoiJong Hee Hwang
    • In Jae ChungChul Sang JangYoung Woo ChoiJong Hee Hwang
    • G09G5/00
    • G09G3/20G09G3/006G09G3/3648G09G2320/0233G09G2320/0285G09G2330/10
    • A flat panel display device may improve picture quality by compensating a panel defect by use of a circuit and a picture quality controlling method.A flat panel display device includes a display panel. A memory stores a location information and a compensation value for a panel defect location on the display panel. A first converter calculates a brightness and color difference signals from red, green, blue video signals to be displayed in the display panel. The first converter expands the number of data bits of the brightness signal to generate the expanded brightness signal. A compensating part generates a compensated brightness signal by increasing or decreasing the expanded brightness signal of the video signal to be displayed in the panel defect location. A second converter calculates the red, green, blue signals from the color difference signal and the compensated brightness signal, and generates the compensated video signal by reducing the number of bits of the calculated red, green, blue signals. A drive circuit drives the display panel by use of the compensated video signal and the uncompensated video signal.
    • 平板显示装置可以通过使用电路和图像质量控制方法补偿面板缺陷来提高图像质量。 平板显示装置包括显示面板。 存储器存储显示面板上的面板缺陷位置的位置信息和补偿值。 第一转换器计算要在显示面板中显示的红,绿,蓝视频信号的亮度和色差信号。 第一转换器扩展亮度信号的数据位数,以生成扩展的亮度信号。 补偿部分通过增加或减少要在面板缺陷位置显示的视频信号的扩大亮度信号来产生补偿亮度信号。 第二转换器从色差信号和补偿亮度信号计算红,绿,蓝信号,并通过减少所计算的红,绿,蓝信号的位数来生成补偿视频信号。 驱动电路通过使用经补偿的视频信号和未补偿的视频信号来驱动显示面板。
    • 4. 发明申请
    • Apparatus and method for controlling picture quality of flat panel display
    • 用于控制平板显示器图像质量的装置和方法
    • US20080238911A1
    • 2008-10-02
    • US12003788
    • 2007-12-31
    • In Jae ChungJi Kyoung KimJong Hee Hwang
    • In Jae ChungJi Kyoung KimJong Hee Hwang
    • G06F3/038
    • G09G3/2055G09G3/3648
    • An apparatus and method for controlling picture quality of a flat panel display. The apparatus for controlling picture quality of the flat panel display includes a position determining unit which determines a display position of digital video data; a gray-level determining unit which determines a gray-level value of the digital video data; and a frame rate control unit that disperses a plurality of dither patterns determined by a compensation value for compensating for brightness in a boundary between the panel defect region and the non-defect region during a plurality of frame periods and controls data, which will be displayed in the boundary, by the compensation value, if the digital video data is determined to the data which will be displayed in the boundary between the panel defect region and the non-defect region according to the determined result of the position determining unit.
    • 一种用于控制平板显示器的画面质量的装置和方法。 用于控制平板显示器的图像质量的装置包括:位置确定单元,确定数字视频数据的显示位置; 灰度级确定单元,确定数字视频数据的灰度值; 以及帧速率控制单元,其在多个帧周期期间分散由用于补偿亮度的补偿值在面板缺陷区域和非缺陷区域之间的边界中确定的多个抖动图案,并且控制将被显示的数据 在边界中,通过补偿值,如果数字视频数据被确定为将根据位置确定单元的确定结果在面板缺陷区域和非缺陷区域之间的边界中显示的数据。
    • 5. 发明授权
    • Flat panel display device and method of controlling picture quality of flat panel display device
    • 平板显示装置及控制平板显示装置画质的方法
    • US08164604B2
    • 2012-04-24
    • US11636604
    • 2006-12-11
    • In-Jae ChungDeuk-Su LeeJong Hee Hwang
    • In-Jae ChungDeuk-Su LeeJong Hee Hwang
    • G09G5/02G09G3/36
    • G09G3/3648G02F2001/136263G09G3/2018G09G3/2044G09G2320/0285G09G2330/08G09G2330/10
    • A flat panel display device includes a display panel having at least one link pixel which has a non-defect area and a panel defect area and where adjacent pixels are linked to each other; a memory which stores a first compensation data for compensating the data which are to be displayed in the panel defect area, a second compensation data for compensating the data of a bordering part between the panel defect area and the non-defect area, and a third compensation data for compensating the data which are to be displayed in the link pixel. The first compensation data is adjusted through at spatial dispersion or temporal dispersion; the data that are to be displayed in a fixed area inclusive of the boundary are adjusted by dispersing the second compensation data to the fixed area inclusive of the boundary; the data that are to be displayed in the link pixel are adjusted to the third compensation data.
    • 平板显示装置包括具有至少一个链接像素的显示面板,该至少一个链接像素具有非缺陷区域和面板缺陷区域,并且相邻像素彼此连接; 存储器,其存储用于补偿要在面板缺陷区域中显示的数据的第一补偿数据,用于补偿面板缺陷区域和非缺陷区域之间的边界部分的数据的第二补偿数据,以及第三补偿数据 用于补偿要在链路像素中显示的数据的补偿数据。 第一补偿数据通过空间色散或时间色散进行调整; 通过将第二补偿数据分散到包括边界的固定区域来调整要在包括边界的固定区域中显示的数据; 将在链接像素中显示的数据被调整为第三补偿数据。
    • 10. 发明授权
    • Apparatus and method for controlling picture quality of flat panel display
    • 用于控制平板显示器图像质量的装置和方法
    • US08189017B2
    • 2012-05-29
    • US12003788
    • 2007-12-31
    • In Jae ChungJi Kyoung KimJong Hee Hwang
    • In Jae ChungJi Kyoung KimJong Hee Hwang
    • G09G5/02
    • G09G3/2055G09G3/3648
    • An apparatus and method for controlling picture quality of a flat panel display. The apparatus for controlling picture quality of the flat panel display includes a position determining unit which determines a display position of digital video data; a gray-level determining unit which determines a gray-level value of the digital video data; and a frame rate control unit that disperses a plurality of dither patterns determined by a compensation value for compensating for brightness in a boundary between the panel defect region and the non-defect region during a plurality of frame periods and controls data, which will be displayed in the boundary, by the compensation value, if the digital video data is determined to the data which will be displayed in the boundary between the panel defect region and the non-defect region according to the determined result of the position determining unit.
    • 一种用于控制平板显示器的画面质量的装置和方法。 用于控制平板显示器的图像质量的装置包括:位置确定单元,确定数字视频数据的显示位置; 灰度级确定单元,确定数字视频数据的灰度值; 以及帧速率控制单元,其在多个帧周期期间分散由用于补偿亮度的补偿值在面板缺陷区域和非缺陷区域之间的边界中确定的多个抖动图案,并且控制将被显示的数据 在边界中,通过补偿值,如果数字视频数据被确定为将根据位置确定单元的确定结果在面板缺陷区域和非缺陷区域之间的边界中显示的数据。