发明申请
US20130328824A1 DYNAMIC VOLTAGE GENERATION FOR TOUCH-ENABLED DISPLAYS 有权
用于触摸显示的动态电压生成

DYNAMIC VOLTAGE GENERATION FOR TOUCH-ENABLED DISPLAYS
摘要:
The disclosed embodiments relate to a system that provides power for a touch-enabled display, wherein the touch-enabled display cycles between a display mode and a touch mode. During the display mode, the system drives a display-mode voltage to the touch-enabled display through a power output, wherein the power output is coupled through a display-mode capacitor CD to ground. Next, during a transition from the display mode to the touch mode, the system couples the power output through a touch-mode capacitor CT to ground, wherein CT was previously charged to a touch-mode voltage, which causes the power output to rapidly transition to the touch-mode voltage. Then, during the touch mode, the system drives the touch-mode voltage through the power output.
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