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    • 44. 发明授权
    • Multiple primary color liquid crystal display device and signal conversion circuit
    • 多原色液晶显示装置及信号转换电路
    • US09324286B2
    • 2016-04-26
    • US13131289
    • 2009-11-24
    • Tomohiko MoriKazunari TomizawaYuichi YoshidaKozo NakamuraShun Ueki
    • Tomohiko MoriKazunari TomizawaYuichi YoshidaKozo NakamuraShun Ueki
    • G09G3/36G09G5/02G09G5/06
    • G09G3/3648G09G3/3607G09G5/026G09G5/06G09G2300/0426G09G2300/0439G09G2300/0443G09G2300/0447G09G2300/0452G09G2320/0242G09G2320/028G09G2320/0666G09G2340/06
    • The viewing angle characteristics of a multiprimary liquid crystal display device in which a plurality of red subpixels are provided in each pixel are improved.A multiprimary liquid crystal display device according to the present invention includes a pixel defined by a plurality of subpixels, and performs multicolor display by using four or more primary colors to be displayed by the plurality of subpixels. The plurality of subpixels of the multiprimary liquid crystal display device according to the present invention include first and second red subpixels R1 and R2 for displaying red, a green subpixel G for displaying green, a blue subpixel B for displaying blue, and a cyan subpixel C for displaying cyan. When a color having a hue which is within a predetermined first range is displayed by the pixel, the gray scale level of the first red subpixel R1 and the gray scale level of the second red subpixel R2 differ from each other. When a color having a hue which is within a second range different from the first range is displayed by the pixel, the gray scale level of the first red subpixel R1 and the gray scale level of the second red subpixel R2 are equal.
    • 改善了在每个像素中设置多个红色子像素的多原色液晶显示装置的视角特性。 根据本发明的多原色液晶显示装置包括由多个子像素限定的像素,并且通过使用由多个子像素显示的四个或更多原色进行多色显示。 根据本发明的多原色液晶显示装置的多个子像素包括用于显示红色的第一和第二红色子像素R1和R2,用于显示绿色的绿色子像素G,用于显示蓝色的蓝色子像素B和青色子像素C 用于显示青色。 当由像素显示具有在预定第一范围内的色调的颜色时,第一红色子像素R1的灰度级和第二红色子像素R2的灰度级别彼此不同。 当通过像素显示具有与第一范围不同的第二范围内的色调的颜色时,第一红色子像素R1的灰度级和第二红色子像素R2的灰度级相等。
    • 46. 发明授权
    • Liquid-crystal display device
    • 液晶显示装置
    • US09058783B2
    • 2015-06-16
    • US14241766
    • 2012-08-28
    • Kazunari TomizawaYuichi YoshidaTomohiko MoriMakoto Hasegawa
    • Kazunari TomizawaYuichi YoshidaTomohiko MoriMakoto Hasegawa
    • G09G3/36G02F1/1335
    • G09G3/3607G02F1/133514G09G2320/0242G09G2320/028G09G2340/06G09G2360/16
    • This liquid crystal display device (100) includes a pixel defined by a plurality of subpixels that includes red, green, blue and yellow subpixels (R, G, B, Ye). As long as the sum of respective luminances of all of the subpixels but the blue subpixel (B) falls within the range of 0% to 50% while the color displayed by the pixel is changing from the color blue in which the blue subpixel (B) is at the highest grayscale level and the other subpixels are at the lowest grayscale level into the color white in which all of those subpixels are at the highest grayscale level substantially without changing its hue, the yellow subpixel (Ye) starts to increase its grayscale level at a different timing, and/or has its grayscale level increased at a different ratio with respect to an increase in the pixel's luminance, from the red and green subpixels (R, G) do.
    • 该液晶显示装置(100)包括由包括红色,绿色,蓝色和黄色子像素(R,G,B,Ye)的多个子像素限定的像素。 只要所有子像素而蓝色子像素(B)的各亮度的和落在0%〜50%的范围内,而由像素显示的颜色从蓝色子像素(B )处于最高灰度级,其他子像素处于最低灰度级,进入白色,其中所有这些子像素基本上处于最高灰度级,而不改变其色调,黄色子像素(Ye)开始增加其灰度 在与红色和绿色子像素(R,G)do相对于像素亮度增加的不同比例增加和/或其灰度等级增加。