LCD driving apparatus capable of self-adjusting drive force and method thereof
AssigneeMStar Semiconductor, Inc.
InventorChien Chuan Wang
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Abstract
The invention provides an LCD driving apparatus which can self-adjust its drive force for different LCD panels. The LCD driving apparatus comprising: a variable resister coupled to a data line of an LCD panel for receiving an input voltage, and then outputting an output current to the data line of said LCD panel; a comparison unit coupled to the data line of the LCD panel for receiving a voltage of a display unit of the data line, and comparing the voltage with a predetermined voltage for generating a comparing result; and an adjustment unit for adjusting the variable resister in accordance with the comparing result for changing the value of the output current.
Claims9
An LCD driving apparatus capable of self-adjusting drive force comprising
- a variable resister, coupled to a data line of an LCD panel for receiving an input voltage and outputting an output current to said data line of said LCD panel;
- a comparison unit, coupled to said data line of said LCD panel for receiving a voltage of a display unit at said data line, and comparing said voltage with a predetermined voltage for generating a comparing result;
- and
- an adjustment unit, for adjusting said variable resister to change the value of said output current according to said comparing result.
An LCD driving method capable of self-adjusting drive force, comprising the steps of:
- generating an output current to a data line of an LCD panel for charging a display unit at said data line;
- comparing the voltage of said display unit with a predetermined voltage for generating a comparing result;
- and
- adjusting the value of said output current according to said comparing result.
Dependencies are inferred from the claim text.