Invention Grant
US09251753B2 Cost effective low pin/ball count level-shifter for LCD bias applications supporting charge sharing of gate lines with perfect waveform matching 有权
低成本的低引脚/球计数电平移位器,用于LCD偏置应用,支持栅极线的电荷共享,具有完美的波形匹配

Cost effective low pin/ball count level-shifter for LCD bias applications supporting charge sharing of gate lines with perfect waveform matching
Abstract:
A level shifter circuit has a plurality of channels for providing signals to a capacitive load and has circuits for sharing charge stored in the capacitive load between the channels. A first pair of channel clock generating circuits are coupled respectively to a first pair of channels. A second pair of channel clock generating circuits are coupled respectively to a second pair of channels. A pair of switches couple the first pair of channels together and the second pair of channels together, respectively, for sharing charge between the channels. A single resistor is coupled in circuit with all of the channels for controlling a slope of charge sharing between channels.
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