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    • 8. 发明授权
    • Touch point detecting circuit, inductive touch screen and touch display device
    • 触摸点检测电路,感应式触摸屏和触摸显示装置
    • US09285916B2
    • 2016-03-15
    • US14267674
    • 2014-05-01
    • Shanghai AVIC Optoelectronics Co., Ltd.Tianma Micro-Electronics Co., Ltd.
    • Kerui XiJun LiZhaokeng Cao
    • G06F3/045G06F3/041G06F3/047G06F3/046
    • G06F3/0416G06F3/041G06F3/045G06F3/046G06F3/047
    • A touch point detecting circuit, an inductive touch screen and a touch display device are disclosed. The touch point detecting circuit includes a plurality of mutually inductive units arranged in an array, wherein each mutually inductive unit includes a first coil and a second coil which are mutually coupled inductors, the first coil of each mutually inductive unit in a same row is electrically connected to an identical first signal line, and the second coil of each mutually inductive unit in a same column is electrically connected to an identical second signal line. By adopting the touch point detecting circuit provided in the technical solution, not only may the detection precision be relatively high, but also the positions of touch points may be determined by detecting the mutual inductance change of each mutually inductive unit, so that multi-point touch is realized.
    • 公开了触摸点检测电路,感应式触摸屏和触摸显示装置。 触摸点检测电路包括以阵列布置的多个互感单元,其中每个互感单元包括彼此耦合的电感器的第一线圈和第二线圈,同一行中每个互感单元的第一线圈是电 连接到相同的第一信号线,并且同一列中的每个互感单元的第二线圈电连接到相同的第二信号线。 通过采用技术方案中提供的触摸点检测电路,不仅检测精度可以相对较高,而且可以通过检测每个互感单元的互感变化来确定触摸点的位置,使得多点 触摸实现。
    • 10. 发明申请
    • ARRAY SUBSTRATE, DISPLAY PANEL AND ELECTRONIC DEVICE
    • 阵列基板,显示面板和电子设备
    • US20160291777A1
    • 2016-10-06
    • US14949811
    • 2015-11-23
    • Shanghai AVIC Optoelectronics Co., Ltd.Tianma Micro-Electronics Co., Ltd.
    • Kerui XiTingting Cui
    • G06F3/041G06F3/044
    • G06F3/0416G02F1/13338G02F1/136286G06F3/041G06F3/0412G06F3/044G09G3/3677G09G2300/0426
    • Array substrate, display panel and electronic device are provided. The array substrate includes: a touch control circuit including first switches, second switches and a first control module; and touch control electrodes arranged in array and insulated from one another, wherein adjacent touch corresponding control electrodes are connected with each other through first switch, each touch control electrode is connected with signal line through second switch, when the array substrate is in touch control detection state, the first control module turns off first switches connecting to touch control electrodes in a particular row, and turns on second switches connecting to touch control electrodes in the particular row, such that touch control electrodes in the particular row are disconnected from other ones and electrically connected to signal line; and repeat above processing row by row. Detection signal lines are saved, wiring is simplified, space for wiring is saved, and cost is reduced.
    • 提供阵列基板,显示面板和电子设备。 阵列基板包括:触摸控制电路,包括第一开关,第二开关和第一控制模块; 以及排列成阵列并且彼此绝缘的触摸控制电极,其中相邻的触摸相应的控制电极通过第一开关相互连接,每个触摸控制电极通过第二开关与信号线相连,当阵列基板处于触摸控制检测 状态时,第一控制模块关闭连接到特定行中的触摸控制电极的第一开关,并且接通连接到特定行中的触摸控制电极的第二开关,使得特定行中的触摸控制电极与其他触摸控制电极断开, 电连接到信号线; 并逐行重复上述处理。 检测信号线被保存,接线简化,节省接线空间,降低成本。