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    • 4. 发明授权
    • Display device
    • 显示设备
    • US08446356B2
    • 2013-05-21
    • US12572383
    • 2009-10-02
    • Yoshihisa OoishiJunichi MaruyamaTakashi ShojiKikuo OnoMasahiro Fukata
    • Yoshihisa OoishiJunichi MaruyamaTakashi ShojiKikuo OnoMasahiro Fukata
    • G09G3/36
    • G09G3/3611G09G3/2011G09G3/2025G09G3/2081G09G3/3406G09G2320/0261G09G2320/0271G09G2320/0646G09G2340/0435G09G2360/16H04N7/0132
    • The display device including: a display panel; a backlight; a memory for converting frame rate of an input video signal and outputting a video signal; an interpolation frame generation unit for generating an interpolation frame based on the video signal output from the memory; a histogram generator for generating a histogram based on the input video signal; and a backlight brightness calculation unit for calculating a backlight control signal, the display device further comprising: wherein image data for display, which is obtained by an N-th frame of the input video signal, and image data of the interpolation frame generated based on the N-th frame and an (N+1)-th frame of the input video signal, is input to the display panel; and wherein the backlight control signal calculated based on the histogram generated based on the image data of the N-th frame is used for displaying the image data for display.
    • 该显示装置包括:显示面板; 背光; 用于转换输入视频信号的帧速率并输出视频信号的存储器; 内插帧生成单元,用于基于从存储器输出的视频信号来生成内插帧; 直方图生成器,用于基于输入视频信号生成直方图; 以及用于计算背光控制信号的背光亮度计算单元,所述显示装置还包括:其中通过所述输入视频信号的第N帧获得的用于显示的图像数据和基于所述输入视频信号生成的内插帧的图像数据 输入视频信号的第N帧和第(N + 1)帧被输入到显示面板; 并且其中基于基于第N帧的图像数据生成的直方图计算的背光控制信号用于显示用于显示的图像数据。
    • 6. 发明申请
    • Display Device
    • 显示设备
    • US20070247413A1
    • 2007-10-25
    • US11739335
    • 2007-04-24
    • Junichi MaruyamaYoshihisa OoishiKikuo Ono
    • Junichi MaruyamaYoshihisa OoishiKikuo Ono
    • G09G3/36
    • G09G3/2011G09G3/2014G09G2310/0251G09G2320/0247G09G2320/0257G09G2320/0261G09G2320/0285
    • A display device includes an LUT storing circuit and an LUT holding circuit, a representative point selecting circuit, and a compensation amount calculating circuit. The storing and holding circuits store and hold not compensation amounts of all points but compensation amounts of representative points in a lookup table. The representative point selecting circuit refers to a compensation amount for a representative point in the lookup table and three representative points neighboring an interpolating object point for deriving a compensation amount of each interpolating object point except the representative points in the lookup table. The compensation amount calculating circuit calculates the compensation amount of each interpolating point except the representative points by performing an interpolating operation with respect to the compensation amounts of the three neighboring representative points.
    • 显示装置包括LUT存储电路和LUT保持电路,代表点选择电路和补偿量计算电路。 存储和保持电路存储和保持查找表中的所有点的补偿量,而代表点的补偿量。 代表点选择电路是指查找表中的代表点的补偿量和与内插对象点相邻的三个代表点,用于导出除了查找表中的代表点之外的每个内插对象点的补偿量。 补偿量计算电路通过对三个相邻代表点的补偿量进行内插操作来计算除了代表点之外的每个内插点的补偿量。