Method for adjusting driving voltage, related adjusting device and display device
The present disclosure provides a method for adjusting gate driving voltages for a gate driving circuit, output terminals of the gate driving circuit being connected with gate lines, an input terminal of the gate driving circuit being connected with a propel link gate (PLG) wiring. The method includes determining a voltage-drop value at an electrical connection point along the PLG wiring with respect to an input terminal of the PLG wiring, the electrical connection point connecting an input terminal of the gate driving circuit with the input terminal of the PLG wiring; and compensating the gate driving voltage on the input terminal of the gate driving circuit based on the voltage-drop value.
1. A method for adjusting a gate driving voltage for a gate driving circuit, output terminals of the gate driving circuit being connected with gate lines, input terminals of the gate driving circuit being connected with a propel link gate (PLG) wiring, comprising:
determining an equivalent resistance between an electrical connection point and an input terminal of the PLG wiring along the PLG wiring, wherein:
the electrical connection point connects an input terminal of the gate driving circuit with the input terminal of the PLG wiring, and
the equivalent resistance of the electrical connection point corresponds to a distance from the electrical connection point to the input terminal of the PLG wiring;
obtaining a voltage-drop value at the electrical connection point based on the equivalent resistance; and
compensating the gate driving voltage on the input terminal of the gate driving circuit based on the voltage-drop value.
2. The method according to claim 1 , wherein compensating the gate driving voltage comprises:
applying a compensated driving voltage on the input terminal of the PLG wiring, the compensated driving voltage being a gate driving voltage for driving a gate line.
3. The method according to claim 2 , wherein the compensated driving voltage is provided by an alternating current-direct current (AC-DC) power supply.
4. The method according to claim 1 , wherein: the voltage-drop value of the electrical connection point is proportional to the equivalent resistance from the input terminal of the PLG wiring to the electrical connection point.
5. The method according to claim 4 , wherein all the input terminals of the gate driving circuit are connected to a common PLG wire, and an equivalent resistance of adjacent electrical connection points is same.
6. The method according to claim 1 , wherein: a period of outputting a compensated gate driving voltage on the input terminal of the gate driving circuit is same as a gate line scanning period.
7. A voltage adjusting device for adjusting driving voltages for a gate driving circuit, comprising:
a processing unit configured for:
determining equivalent resistance between an electrical connection point and an input terminal of a propel link gate (PLG) wiring along the PLG wiring, wherein:
the electrical connection point connects an input terminal of the gate driving circuit with the input terminal of the PLG wiring, and
the equivalent resistance of the electrical connection point corresponds to a distance from the electrical connection point to the input terminal of the PLG wiring; and
obtaining a voltage-drop value at the electrical connection point based on the equivalent resistance; and
an executing unit configured for compensating the driving voltage based on the voltage-drop value, and applying the compensated driving voltage on the input terminal of the PLG wiring for driving a gate line.
8. The voltage adjusting device according to claim 7 , wherein the executing unit is further configured for applying the compensated driving voltage to the input terminal of the PLG wiring, and a period of outputting the compensated driving voltage being same as a gate line scanning period.
9. The voltage adjusting device according to claim 8 , wherein the executing unit comprises an alternating current-direct current (AC-DC) power supply to apply the compensated driving voltage based on the voltage-drop value.