DISPLAY PANEL DRIVING APPARATUS, A METHOD OF DRIVING A DISPLAY PANEL USING THE DISPLAY PANEL DRIVING APPARATUS AND A DISPLAY APPARATUS HAVING THE DISPLAY PANEL DRIVING APPARATUS
First Claim
Patent Images
1. A display panel driving apparatus comprising:
- a gate driving circuit configured to output a gate signal to a gate line of a display panel that displays an image;
a data driving circuit configured to output a data signal to a data line of the display panel;
a timing controlling circuit configured to control timings of the gate driving circuit and the data driving circuit; and
a voltage generating circuit state receiving circuit configured to receive voltage generating circuit state data indicating a temperature, a voltage or a current of a voltage generating circuit from the voltage generating circuit, wherein the voltage generating circuit generates a first voltage to drive the display panel, and controls an operation of the timing controlling circuit according to the voltage generating circuit state data.
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Abstract
A display panel driving apparatus includes a gate driving circuit, a data driving circuit, a timing controlling circuit and a voltage generating circuit state receiving circuit. The voltage generating circuit state receiving circuit is configured to receive voltage generating circuit state data indicating a temperature, a voltage or a current of a voltage generating circuit from the voltage generating circuit. The voltage generator generates a voltage used to drive the display panel, and controls an operation of the timing controlling circuit according to the voltage generating circuit state data.
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Citations
20 Claims
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1. A display panel driving apparatus comprising:
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a gate driving circuit configured to output a gate signal to a gate line of a display panel that displays an image; a data driving circuit configured to output a data signal to a data line of the display panel; a timing controlling circuit configured to control timings of the gate driving circuit and the data driving circuit; and a voltage generating circuit state receiving circuit configured to receive voltage generating circuit state data indicating a temperature, a voltage or a current of a voltage generating circuit from the voltage generating circuit, wherein the voltage generating circuit generates a first voltage to drive the display panel, and controls an operation of the timing controlling circuit according to the voltage generating circuit state data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of driving a display panel, the method comprising:
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receiving voltage generating circuit state data indicating a temperature, a voltage or a current of a voltage generating circuit from the voltage generating circuit, wherein the voltage generating circuit generates a first voltage for driving the display panel; outputting a timing control circuit control signal for controlling an operation of a timing controlling circuit according to the voltage generating circuit state data; operating the timing controlling circuit according to the timing control circuit control signal; outputting a data signal to a data line of the display panel according to the operation of the timing controlling circuit; and outputting a gate signal to a gate line of the display panel according to the operation of the timing controlling circuit. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A display apparatus comprising:
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a display panel configured to display an image and comprising a gate line and a data line; and a display panel driving apparatus comprising a gate driving circuit configured to output a gate signal to the gate line of the display panel, a data driving circuit configured to output a data signal to the data line of the display panel, a timing controlling circuit configured to control timings of the gate driving circuit and the data driving circuit, and a voltage generating circuit state receiving circuit configured to receive voltage generating circuit state data indicating a temperature, a voltage or a current of a voltage generating circuit from the voltage generating circuit, wherein the voltage generating circuit generates a first voltage to drive the display panel, and controls an operation of the timing controlling circuit according to the voltage generating circuit state data. - View Dependent Claims (20)
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Specification