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    • 1. 发明公开
    • Interface for liquid crystal display
    • 液晶显示器接口
    • EP0921518A2
    • 1999-06-09
    • EP98310034.8
    • 1998-12-08
    • Samsung Electronics Co., Ltd.
    • Sung, Jun-HoChung, Seong-Eun
    • G09G3/36
    • G09G3/3666G09G2310/0224G09G2360/123
    • An LCD interface for communicating a video signal to an LCD comprises a video input device for separating the video signal into a synchronising signal and R (red), G (Green) and B (Blue) video signals having a resolution of m rows by n columns, a controller for generating a first clock frequency, a second clock frequency and a third clock frequency being half the second clock frequency based on the synchronising signal, an R signal converter for dividing the frequency of the R video signal by four according to the first clock frequency to sequentially generate two adjacent pixel column data simultaneously starting both from the first pixel row and the (m/2)+1'st pixel row respectively to the m/2'th pixel row and m'th pixel row according to the second clock frequency fo so that the four pixel data arranged in the adjacent pixel columns are simultaneously generated, a G signal converter for dividing the frequency of the G video signal by four according tot he first clock frequency to sequentially generate two adjacent pixel column data simultaneously starting both from the first pixel row and the (m/2)+1'st pixel row respectively to the m/2'th pixel row and m'th pixel row according to the second clock frequency fo so that the four pixel data arranged in the adjacent pixel columns are simultaneously generated, a B signal converter for dividing the frequency of the B video signal by four according to the first clock frequency to sequentially generate two adjacent pixel column data simultaneously generate two adjacent pixel column data simultaneously starting both from the first pixel row and the (m/2)+1'st pixel row respectively to the m/2'th pixel row and m'th pixel row according to the second clock frequency fo so that the four pixel data arranged in the adjacent pixel columns are simultaneously generated, and an LCD driver for supplying the pixel data from the R, G, B converters to an LCD panel.
    • 用于将视频信号传送到LCD的LCD接口包括用于将视频信号分离成同步信号的视频输入装置和具有m行n分辨率的R(红),G(绿)和B(蓝)视频信号 列;控制器,用于基于所述同步信号生成第一时钟频率,第二时钟频率和第三时钟频率,所述第二时钟频率和第三时钟频率是所述第二时钟频率的一半; R信号转换器,用于根据所述同步信号将所述R视频信号的频率除以四 第一时钟频率以依次从第一像素行和第(m / 2)+ 1'像素行分别开始到第m / 2行像素行和第m行像素行同时产生两个相邻像素列数据 第二时钟频率f 0,使得布置在相邻像素列中的四个像素数据同时产生; G信号转换器,用于根据第一时钟频率将G视频信号的频率除以四 根据第二时钟频率,从第一像素行和第(m / 2)+ 1'像素行分别向第m / 2行像素行和第m像素行同时开始同时产生两个相邻像素列数据 以便同时产生布置在相邻像素列中的四个像素数据; B信号转换器,用于根据第一时钟频率将B视频信号的频率除以四,以顺序产生两个相邻像素列数据,同时产生两个相邻 像素列数据根据第二时钟频率fo同时从第一像素行和第(m / 2)+ 1'像素行开始到第m / 2个像素行和第m个像素行,使得 同时生成布置在相邻像素列中的四个像素数据以及用于将来自R,G,B转换器的像素数据提供给LCD面板的LCD驱动器。
    • 3. 发明公开
    • Interface for liquid crystal display
    • 接口,用于液晶显示器
    • EP0921518A3
    • 1999-12-01
    • EP98310034.8
    • 1998-12-08
    • Samsung Electronics Co., Ltd.
    • Sung, Jun-HoChung, Seong-Eun
    • G09G3/36
    • G09G3/3666G09G2310/0224G09G2360/123
    • An LCD interface for communicating a video signal to an LCD comprises a video input device for separating the video signal into a synchronising signal and R (red), G (Green) and B (Blue) video signals having a resolution of m rows by n columns, a controller for generating a first clock frequency, a second clock frequency and a third clock frequency being half the second clock frequency based on the synchronising signal, an R signal converter for dividing the frequency of the R video signal by four according to the first clock frequency to sequentially generate two adjacent pixel column data simultaneously starting both from the first pixel row and the (m/2)+1'st pixel row respectively to the m/2'th pixel row and m'th pixel row according to the second clock frequency fo so that the four pixel data arranged in the adjacent pixel columns are simultaneously generated, a G signal converter for dividing the frequency of the G video signal by four according tot he first clock frequency to sequentially generate two adjacent pixel column data simultaneously starting both from the first pixel row and the (m/2)+1'st pixel row respectively to the m/2'th pixel row and m'th pixel row according to the second clock frequency fo so that the four pixel data arranged in the adjacent pixel columns are simultaneously generated, a B signal converter for dividing the frequency of the B video signal by four according to the first clock frequency to sequentially generate two adjacent pixel column data simultaneously generate two adjacent pixel column data simultaneously starting both from the first pixel row and the (m/2)+1'st pixel row respectively to the m/2'th pixel row and m'th pixel row according to the second clock frequency fo so that the four pixel data arranged in the adjacent pixel columns are simultaneously generated, and an LCD driver for supplying the pixel data from the R, G, B converters to an LCD panel.