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    • 43. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20110122348A1
    • 2011-05-26
    • US13055478
    • 2009-06-22
    • Takehiko SakaiDai ChibaYoshiharu KataokaTakuya Watanaba
    • Takehiko SakaiDai ChibaYoshiharu KataokaTakuya Watanaba
    • G02F1/1333
    • G06F3/045G02F1/13338G02F1/133512G02F1/133553G06F3/0412
    • A device includes: an active matrix substrate (20a) including a plurality of first display lines (11a) extending parallel to each other and a plurality of second display lines extending parallel to each other in a direction crossing the first display lines (11a); and a counter substrate (30a) including a black matrix (B) provided so as to overlap the first display lines (11a) and the second display lines, wherein the active matrix substrate (20a) includes a plurality of touch panel lines (11b) extending parallel to each other in a direction in which the first display lines (11a) extend, and portions of the black matrix (B) overlapping the second display lines are electrically conductive and are configured so as to come into contact with the touch panel lines (11b) when the surface of the active matrix substrate (20a) or the counter substrate (30a) is pressed.
    • 一种器件包括:有源矩阵衬底(20a),包括彼此平行延伸的多个第一显示线(11a)和沿与第一显示线(11a)交叉的方向彼此平行延伸的多条第二显示线; 以及包括设置成与第一显示线(11a)和第二显示线重叠的黑矩阵(B)的对置基板(30a),其中有源矩阵基板(20a)包括多个触摸面板线(11b) 在第一显示线(11a)延伸的方向上彼此平行延伸,并且与第二显示线重叠的黑矩阵(B)的部分是导电的并且被配置为与触摸面板线接触 (20a)或相对基板(30a)的表面被按压时(11b)。
    • 46. 发明授权
    • Video switching detecting circuit
    • 视频切换检测电路
    • US06847409B2
    • 2005-01-25
    • US10048506
    • 2001-05-30
    • Takehiko SakaiDaijiro KawaiKazuhide Nakamura
    • Takehiko SakaiDaijiro KawaiKazuhide Nakamura
    • H04N5/268G06F3/14G09G5/12H03L7/095H04N7/18
    • G06F3/14G09G5/12G09G2320/103G09G2320/106H03L7/095
    • The object of the invention is to provide a video switchover detection circuit that reduces the circuit scale and allows high-accuracy detection with a smaller-scale configuration.According to the invention, the video switchover detection circuit comprises a PLL circuit composed of a phase comparator, an LPF, a VCO, and a frequency divider. In the phase comparator, the phase of an external HD as an input signal obtained by shaping the pulse of a horizontal synchronization signal is compared with the phase of an internal HD as a reference signal obtained by dividing the frequency of the output pulse of the VCO in the PLL circuit. In case the phases of the signals differ from each other, an error signal is output from the phase comparator. A first counter counts the period in which the error signal is active, or the time when the phase difference persists. A horizontal synchronization decision section determines the lock state of the horizontal synchronization signal depending on the length of the phase difference duration and in case out of synchronization is detected, a video switchover detection signal is output from an output circuit.
    • 本发明的目的是提供一种视频切换检测电路,其减小电路规模,并允许以较小规模配置的高精度检测。根据本发明,视频切换检测电路包括由相位比较器 ,LPF,VCO和分频器。 在相位比较器中,将通过对水平同步信号的脉冲进行整形而获得的输入信号的外部HD的相位与内部HD的相位进行比较,作为通过将VCO的输出脉冲的频率除以 在PLL电路中。 在信号的相位彼此不同的情况下,从相位比较器输出误差信号。 第一个计数器对错误信号有效的时间段或相位差持续的时间进行计数。 水平同步决定部根据相位差持续时间的长短来决定水平同步信号的锁定状态,在检测到不同步的情况下,从输出电路输出视频切换检测信号。