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    • 3. 发明授权
    • Liquid crystal display device and driving method thereof
    • 液晶显示装置及其驱动方法
    • US5365284A
    • 1994-11-15
    • US999684
    • 1992-12-31
    • Toshio MatsumotoShuhei YasudaTokutarou KusadaNobuyoshi Nagashima
    • Toshio MatsumotoShuhei YasudaTokutarou KusadaNobuyoshi Nagashima
    • G09G3/36H04N3/12H04N5/74
    • H04N3/127G09G3/3648G09G2310/0205G09G2310/0224G09G3/3614
    • In a liquid crystal display device for receiving television signals by an interlace scanning method, number of the rows of pixels and of scan signal lines on a liquid crystal panel is increased to be the same as the number of valid scan lines of 1 frame of television signals. The original video signals to be inputted to the device are compressed to 1/2, and interpolating signals are added to every line of the compressed signals to form pseudo video signals. Shift register operation of a scan driver and the segment driver are done twice as fast as that in the conventional device, and start timing of the shift register operation of the segment driver is controlled to be shifted by 1/2 horizontal scanning period between the even field and odd field, while the pseudo video signals are applied to the segment driver. Consequently, to the rows of pixels to which original video signals are applied in the even field and to the rows of pixels to which interpolating signals are applied in the even field, interpolating signals and original video signals are applied in the odd field, respectively. Consequently, display can be carried out seemingly in accordance with the interlace scanning method.
    • 在用于通过隔行扫描方式接收电视信号的液晶显示装置中,液晶面板上的行数和扫描信号线的数目增加到与电视1帧的有效扫描线数相同 信号。 要输入到设备的原始视频信号被压缩到1/2,并且将内插信号添加到压缩信号的每一行以形成伪视频信号。 扫描驱动器和段驱动器的移位寄存器操作是常规器件的两倍,并且段驱动器的移位寄存器操作的开始定时被控制在偶数位置之间移动1/2水平扫描周期 场和奇场,而伪视频信号被施加到段驱动器。 因此,在偶数场中施加原始视频信号的像素行以及在偶数场中施加了内插信号的像素行分别在奇数场中施加内插信号和原始视频信号。 因此,可以根据隔行扫描方法进行显示。