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    • 3. 发明申请
    • Backlight variation compensated display
    • 背光变化补偿显示
    • US20070120806A1
    • 2007-05-31
    • US11288497
    • 2005-11-28
    • John SchmidtVictoria HaimElias Haim
    • John SchmidtVictoria HaimElias Haim
    • G09G3/36
    • G09G3/3648G09G3/3406G09G3/3655G09G2320/0247G09G2320/0257G09G2320/0606G09G2320/0626G09G2360/145
    • Methods and apparatus are provided for compensating a liquid crystal display for changes in brightness level. The apparatus comprises a variable brightness back-light optically coupled to a display panel whose properties depend upon back-light brightness. An electrical circuit measures back-light brightness and/or display flicker and sends this information to a controller. The controller automatically determines a display panel compensation signal based on back-light brightness and/or display flicker, and sends this compensation signal to the display panel to optimize the display panel properties for the commanded or observed back-light brightness level or flicker level so as to, for example, minimize display panel flicker and/or ghost image retention. Such automatic compensation is especially useful for head-up displays that must accommodate large variations in display brightness, e.g., from starlight to full sun, and/or for large, bright projection displays adapted to operate in different ambient light conditions where back-light brightness variation is desirable.
    • 提供了用于补偿液晶显示器以改变亮度水平的方法和装置。 该装置包括光学耦合到显示面板的可变亮度背光,其特性取决于背光亮度。 电路测量背光亮度和/或显示闪烁,并将该信息发送到控制器。 控制器根据背光亮度和/或显示闪烁自动确定显示面板补偿信号,并将该补偿信号发送到显示面板,以优化指示或观察的背光亮度级别或闪烁级别的显示面板属性, 例如,最小化显示面板闪烁和/或重影图像保持。 这种自动补偿对于必须适应显示亮度的大变化(例如从星光到完全太阳)的平视显示器和/或用于适于在背光亮度不同的环境光条件下操作的大型明亮投影显示器的平视显示器特别有用 变化是可取的。
    • 5. 发明申请
    • Liquid crystal color display system and method
    • 液晶彩色显示系统及方法
    • US20050243107A1
    • 2005-11-03
    • US10837196
    • 2004-04-30
    • Victoria HaimJames TriplettHarold Zulch
    • Victoria HaimJames TriplettHarold Zulch
    • G09G3/36G09G5/02G09G5/22G09G5/28
    • G09G3/3607G09G5/02G09G5/22G09G5/28G09G2320/028
    • Methods and apparatus are provided for a color liquid crystal display (CLCD). The apparatus comprises a processor coupled to the CLCD for receiving a character code and a color code and translating them into character and color pixel arrays that are overlaid and summed to produce a composite pixel array corresponding to the CLCD pixel array, where each entry in the composite array is used in conjunction with a color table to establish drive levels for each pixel in the CLCD. The character pixel array includes gray level color mixing and the color pixel array includes spatial shading color mixing, so that the composite array uses both techniques to determined the individual CLCD pixel drive levels, thereby providing a wider range of color choices without significant color dependence on viewing angle.
    • 为彩色液晶显示器(CLCD)提供了方法和装置。 该装置包括耦合到CLCD的处理器,用于接收字符代码和颜色代码,并将它们转换成被叠加和相加的字符和颜色像素阵列,以产生对应于CLCD像素阵列的复合像素阵列,其中 复合阵列与彩色表结合使用,以建立CLCD中每个像素的驱动级别。 字符像素阵列包括灰度级色彩混合,而彩色像素阵列包括空间阴影色彩混合,使得复合阵列使用两种技术来确定各个CLCD像素驱动电平,从而提供更宽范围的颜色选择,而不显着的颜色依赖性 可视角度。