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    • 1. 发明授权
    • Touch screen display device and driving method of the same
    • 触摸屏显示装置及其驱动方法相同
    • US08174505B2
    • 2012-05-08
    • US12470112
    • 2009-05-21
    • Jong-Woung ParkSung-Woo LeeKee-Han Uh
    • Jong-Woung ParkSung-Woo LeeKee-Han Uh
    • G06F3/041
    • G06F3/0412G06F3/045G06F3/047
    • A touch screen display device and a driving method of the same are provided. The touch screen display device includes a touch screen display panel including a plurality of first sensing lines that extend in a first direction, a plurality of second sensing lines that extend in a second direction and cross the first direction, and a plurality of touch sensing elements respectively arranged at areas where the first sensing lines and the second sensing lines cross each other; and a read-out unit that receives output signals of the respective first sensing lines and second sensing lines, reading at least one sensing position, and outputting one of the at least one read sensing positions as a touch position, wherein if the number of sensing positions of the current frame is equal to or greater than two, the read-out unit compares the at least two sensing positions of the current frame with a touch position of the previous frame, and outputs the sensing position that is closest to the touch position of the previous frame as a touch position of the current frame.
    • 提供一种触摸屏显示装置及其驱动方法。 触摸屏显示装置包括:触摸屏显示面板,包括沿第一方向延伸的多个第一感测线,沿第二方向延伸且与第一方向交叉的多个第二感测线;以及多个触摸感测元件 分别布置在第一感测线和第二感测线彼此交叉的区域处; 以及读出单元,其接收各个第一感测线和第二感测线的输出信号,读取至少一个感测位置,并将所述至少一个读取感测位置中的一个作为触摸位置输出,其中如果感测的数量 当前帧的位置等于或大于2,读出单元将当前帧的至少两个感测位置与前一帧的触摸位置进行比较,并输出最接近触摸位置的感测位置 作为当前帧的触摸位置。
    • 4. 发明授权
    • Display device and voltage adjusting method therefor
    • 显示装置及其电压调整方法
    • US08188979B2
    • 2012-05-29
    • US11710309
    • 2007-02-22
    • Man-Seung ChoHyung-Guel KimKee-Han UhJoo-Hyung LeeJong-Woung ParkMyung-Woo LeeYoung-Ok Cha
    • Man-Seung ChoHyung-Guel KimKee-Han UhJoo-Hyung LeeJong-Woung ParkMyung-Woo LeeYoung-Ok Cha
    • G06F3/041
    • G06F3/0418G06F3/044
    • A display device includes: a plurality of sensing data lines; a plurality of sensing units that output sensing signals through the plurality of sensing data lines; a signal selector that selects one sensing signal among the plurality of sensing signals; an automatic voltage adjusting unit that, when one sensing signal is selected by the signal selector, performs a controlling operation so as to allow a magnitude of the selected sensing signal to be in a predetermined range; and a voltage generator that adjusts the magnitude of the voltage applied to the sensing data lines based on a control signal output from the automatic voltage adjusting unit. According to the voltage adjusting operation, the sensing signal output through the sensing data line is always in an appropriate range. As a result, the touch determining operation on the sensing units can be accurately performed, so that it is possible to improve reliability of the sensing units.
    • 显示装置包括:多个感测数据线; 多个感测单元,其通过所述多个感测数据线输出感测信号; 信号选择器,其选择所述多个感测信号中的一个感测信号; 自动电压调整单元,当由信号选择器选择一个感测信号时,执行控制操作,以便使所选择的感测信号的幅度处于预定范围内; 以及电压发生器,其基于从所述自动电压调整单元输出的控制信号来调整施加到所述感测数据线的电压的大小。 根据电压调整操作,通过感测数据线输出的感测信号始终处于适当的范围内。 结果,可以精确地执行感测单元上的触摸确定操作,使得可以提高感测单元的可靠性。