| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a touch-control liquid crystal display panel directly detecting a pressing position. <P>SOLUTION: The liquid crystal display includes a source driver 104 generating a data signal voltage, a gate driver 102 generating a scan signal, a plurality of pixels units 200 arranged in a matrix, a plurality of detecting circuits 210, and a determining unit 108 determining the source of dynamic currents by comparing the dynamic currents outputted by the plurality of detecting circuits 210, wherein: each of the plurality of pixels units 200 includes a switch transistor 202 conducting the data signal voltage and a liquid crystal capacitor adjusting the arrangement of a plurality of liquid crystal molecules based on the data signal voltage; and each of the plurality of detecting circuits 210 includes a first transistor 211 conducting a predetermined constant voltage from a constant voltage terminal, a sensor unit generating a dynamic voltage, a second transistor 212 generating a dynamic current based on the dynamic voltage, and a third transistor 213 conducting the dynamic current. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
