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    • 7. 发明申请
    • Sub-Pixel Mapping
    • 子像素映射
    • US20080165204A1
    • 2008-07-10
    • US11911566
    • 2006-04-13
    • Michiel Adriaanszoon KlompenhouwerErno Hermanus Antonius LangendijkOleg BelikGerben Johan Hekstra
    • Michiel Adriaanszoon KlompenhouwerErno Hermanus Antonius LangendijkOleg BelikGerben Johan Hekstra
    • G09G5/02G09G3/34
    • G09G3/3413G09G5/02G09G2300/0452G09G2320/0261
    • A method of mapping a four primary input signal (IS) to sets (Pij) of four sub-pixels (RPij, GPij, BPij, WPij) of a display device (DD). The four primary input signal (IS) comprises a sequence of input samples (Sij) each comprising a value for a first input signal (Rlij), a value for a second input signal (Glij), a value for a third input signal (Blij), and a value for a fourth input signal (Wlij). The sets (Pij) of the four sub-pixels comprise a first sub-pixel (RPij) to supply light having a first primary color (R), a second sub-pixel (GPij) to supply light having a second primary color (G), a third sub-pixel (BPij) to supply light having a third primary color, and a fourth sub-pixel (WPij) to supply fourth light having a fourth color (W), the first, second, third and fourth color all being different, and the fourth color being within the color gamut of the first, second, and third color. The method comprises sub-sampling (MAP) the input samples (Sij) of the four primary input signal (IS) by assigning the first input signal (RI11), the second input signal (GI11), and the third input signal (BI11) of a particular input sample (SI11) to the first (RP11), second (GP11) and third sub-pixel (BP11) of a particular set (P11) of four adjacent sub-pixels, respectively, and by assigning the fourth input signal (WI12) of a further input sample (S12) to the fourth sub-pixel (WP11) of said particular set (S11) of the four adjacent sub-pixels, wherein the particular input sample (S11) and the further input sample (S12) are associated with adjacent positions on the display device (DD).
    • 将四个主要输入信号(IS)映射到显示设备(DD)的四个子像素(RPij,GPij,BPij,WPij)的集合(Pij)的方法。 四个主要输入信号(IS)包括一个输入采样序列(Sij),每个输入采样包括第一输入信号(Rlij)的值,第二输入信号(Glij)的值,第三输入信号 )和第四输入信号(Wlij)的值。 四个子像素的集合(Pij)包括第一子像素(RPij),以提供具有第一原色(R)的光,第二子像素(GPij)提供具有第二原色(G ),用于提供具有第三原色的光的第三子像素(BPij)和第四子像素(WPij),以将第四颜色(W),第一,第二,第三和第四颜色全部 并且第四颜色在第一,第二和第三颜色的色域内。 该方法包括:通过分配第一输入信号(RI 11),第二输入信号(GI 11)和第三输入信号(I11)来对四个主要输入信号(IS)的输入样本(Sij)进行子采样(MAP) 分别与四个相邻子像素的特定集合(P 11)的第一(RP 11),第二(GP 11)和第三子像素(BP 11)的特定输入样本(S11)的BI11) 并且通过将另一个输入样本(S12)的第四输入信号(WI 12)分配给四个相邻子像素的所述特定集合(S11)的第四子像素(WP 11),其中特定 输入样本(S11)和另外的输入样本(S12)与显示装置(DD)上的相邻位置相关联。
    • 8. 发明申请
    • DISPLAY CONTROL FOR MULTI-PRIMARY DISPLAY
    • 多显示显示控制
    • US20140043371A1
    • 2014-02-13
    • US13641455
    • 2011-04-11
    • Erno Hermanus Antonius LangendijkKarel Johannes Gerhardus HinnenMichiel Adriaanszoon Klompenhouwer
    • Erno Hermanus Antonius LangendijkKarel Johannes Gerhardus HinnenMichiel Adriaanszoon Klompenhouwer
    • G09G3/36
    • G09G3/3607G09G3/3426G09G2320/0271G09G2320/0646G09G2340/06
    • A controller for a multi-primary display having M>3 primaries receives a set of input N-primary image color defining values comprising drive values for N primaries for each pixel. A compensator (317) generates a set of compensated N-primary image color (N>=3) defining values by applying a luminance compensation to the values of the set of input N-primary image color defining values where the luminance compensation for each pixel depends on the chromaticity of the pixel. A backlight processor (311) determines backlight levels in response to the compensated N-primary image color defining values. A modifier (313) then generates modified N-primary image color defining values by adjusting the input or the modified N-primary image color defining values or the for the backlight level and a primary converter (315) converts the modified N-primary image color defining values into multi-primary drive values for the display. The approach may e.g. reduce clipping for multi-primary displays with dynamic backlight control by introducing a low complexity pre-processing luminance compensation to existing equipment.
    • 具有M> 3个原色的多主显示器的控制器接收包括用于每个像素的N个原色的驱动值的一组输入的N个主图像颜色定义值。 补偿器(317)通过对输入的N原色图像颜色定义值的值施加亮度补偿来产生定义值的一组经补偿的N原色图像颜色(N> = 3),其中每个像素的亮度补偿 取决于像素的色度。 背光处理器(311)响应于补偿的N原色图像颜色定义值来确定背光级别。 修改器(313)然后通过调整输入或修改的N原色图像颜色定义值或针对背光级别来生成修改的N原色图像颜色定义值,并且主转换器(315)将修改的N原色图像颜色 将值定义为显示器的多主驱动器值。 该方法可以例如 通过对现有设备引入低复杂度的预处理亮度补偿,可以减少动态背光控制的多主显示屏的裁剪。