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    • 3. 发明授权
    • Display device and method of controlling touch detection unit
    • 显示装置和控制触摸检测单元的方法
    • US07952565B2
    • 2011-05-31
    • US11710324
    • 2007-02-22
    • Jong-Woung ParkJoo-Hyung LeeKee-Han UhMan-Seung Cho
    • Jong-Woung ParkJoo-Hyung LeeKee-Han UhMan-Seung Cho
    • G06F3/041
    • G06F3/0416G06F1/3203G06F1/3262
    • A display device may include a display panel, a plurality of pixels that are disposed on the display panel, a plurality of sensing units that are disposed on the display panel to generate sensing signals based on touch of the display panel, a sensing signal processor that receives the sensing signals and performs predetermined signal processes to generate sensing data, and a touch detection unit. The touch detection unit may include a first controller that determines, based on the sensing data from the sensing signal process, whether or not there is a touch occurrence of the sensing units and whether or not the sensing signal is in an appropriate state. The touch detection unit may also include a second controller that determines the touch occurrence and touch positions on the sensing units based on the sensing data and controls the sensing signals to be in the desired range.
    • 显示装置可以包括显示面板,布置在显示面板上的多个像素,设置在显示面板上以产生基于显示面板的触摸的感测信号的多个感测单元,感测信号处理器 接收感测信号并执行预定的信号处理以产生感测数据,以及触摸检测单元。 触摸检测单元可以包括第一控制器,其基于来自感测信号处理的感测数据确定感测单元是否存在触摸发生以及感测信号是否处于适当的状态。 触摸检测单元还可以包括第二控制器,其基于感测数据确定感测单元上的触摸发生和触摸位置,并且将感测信号控制在期望的范围内。
    • 6. 发明授权
    • Sensing circuit and display device having the same
    • 感应电路和具有相同的显示装置
    • US07839392B2
    • 2010-11-23
    • US11440184
    • 2006-05-24
    • Sang-Jin PakYoung-Jun ChoiMan-Seung ChoJoo-Hyung LeeMyung-Woo Lee
    • Sang-Jin PakYoung-Jun ChoiMan-Seung ChoJoo-Hyung LeeMyung-Woo Lee
    • G09G5/00
    • G06F3/044
    • A sensing circuit is provided that senses an externally provided pressure on a panel, and includes a sensing capacitor, a first switching element, a second switching element and a third switching element; where the sensing capacitor includes a sensing electrode on the first substrate, the insulating layer and the opposite electrode; the sensing capacitor varies a capacitance based on the externally provided pressure; the first switching element is electrically connected to the sensing electrode to charge the sensing capacitor based on a first switching signal; the second switching element outputs a current based on a second switching signal and a first voltage; the third switching element is electrically connected to the sensing electrode to control the current based on the variation of the capacitance of the sensing capacitor to generate a sensing signal; and where a thickness is decreased, and an image display quality is improved.
    • 提供一种感测电路,其感测面板上的外部提供的压力,并且包括感测电容器,第一开关元件,第二开关元件和第三开关元件; 其中感测电容器包括在第一基板上的感测电极,绝缘层和相对电极; 感测电容器根据外部提供的压力改变电容; 第一开关元件电连接到感测电极,以基于第一开关信号对感测电容器充电; 第二开关元件基于第二开关信号和第一电压输出电流; 第三开关元件电连接到感测电极,以基于感测电容器的电容的变化来控制电流以产生感测信号; 并且其中厚度减小,并且图像显示质量得到改善。