Organic light emitting display apparatus and method of operating the same

1. An organic light emitting display apparatus comprising:

a power driver configured to supply a driving voltage to a display panel;

a driver driving unit configured to apply a driving signal to the power driver; and

a processor configured to apply a display data signal to the power driver, the display data signal corresponding to a value of data to be displayed on the display panel,

wherein the power driver is configured to supply the driving voltage to the display panel when the driving signal and the display data signal are both in an active state.

2. The organic light emitting display apparatus according to claim 1 , wherein the power driver is a DC-to-DC converter for generating the driving voltage to drive the display panel using power supplied from a battery.

3. The organic light emitting display apparatus according to claim 1 further comprising a logic gate configured to receive the driving signal and the display data signal and to output an active signal to the power driver.

4. The organic light emitting display apparatus according to claim 3 , wherein the power driver is configured to supply the driving voltage to the display panel when the active signal is received from the logic gate; and wherein the logic gate is configured to apply the active signal to the power driver when the driving signal and display data signal are both in the active state.

5. The organic light emitting display apparatus according to claim 1 , wherein the processor is configured to generate a driver control signal comprising display data to display on the display panel, and to apply the driver control signal to the driver driving unit.

6. The organic light emitting display apparatus according to claim 1 , wherein the display data signal comprises a dummy frame before an actual display data signal, the actual display data signal being for display on the display panel when the display panel is in the active state.

7. The organic light emitting display apparatus according to claim 6 , wherein the dummy frame is maintained in a range from 0.3 seconds to 2.0 seconds.

8. The organic light emitting display apparatus according to claim 6 , wherein during the dummy frame, the processor is configured to generate a driver control signal to output a black screen on the display panel, and to apply the driver control signal to the driver driving unit to output the black screen on the display panel.

9. A method of operating an organic light emitting display apparatus comprising a power driver for a display panel, the method comprising:

using a processor to generate a display data signal corresponding to a value of data to be displayed on the display panel, and to apply the display data signal to the power driver;

using a driver driving unit to apply a driving signal to the power driver; and

using the power driver to generate a driving voltage for the display panel according to the driving signal and the display data signal, wherein the power driver generates the driving voltage for the display panel when the driving signal and the display data signal are both in an active state.

10. The method of claim 9 , wherein the power driver is a DC-to-DC converter for generating the driving voltage to drive the display panel using power supplied from a battery.

11. The method of claim 9 ,

wherein the processor applies the display data signal to a first input terminal of a logic gate,

wherein the driver driving unit applies the driving signal to a second input terminal of the logic gate, and

wherein the logic gate applies an active signal to the power driver when the driving signal and display data signal are both in an active state.

12. The method of claim 9 , wherein the processor generates a driver control signal comprising display data to display on the display panel, and applies the driver control signal to the driver driving unit.

13. The method of claim 9 , wherein the display data signal comprises a dummy frame before an actual display data signal, the actual display data signal being for display on the display panel when the display panel is in an active state.

14. The method of claim 13 , wherein the dummy frame is maintained in a range from 0.3 seconds to 2.0 seconds.

15. The method of claim 13 , wherein during the dummy frame, the processor generates a driver control signal to output a black screen on the display panel, and applies the driver control signal to the driver driving unit.

16. A method of operating an organic light emitting display apparatus comprising a power driver for a display panel, the method comprising:

using a processor to generate a driver control signal comprising display data to display on the display panel, and to apply the driver control signal to a driver driving unit;

using the driver driving unit to apply a driving signal to the power driver according to the driver control signal; and

using the power driver to receive the driving signal and to generate a driving voltage for the display panel,

wherein the driver control signal comprises a dummy frame that is in a converting period after the driving signal is applied to the power driver and before the display data is in an active state.

17. The method of claim 16 , wherein the dummy frame is maintained in a range from 0.3 seconds to 2.0 seconds.

18. The method of claim 16 , wherein during the dummy frame, the processor generates the driver control signal to output a black screen on the display panel, and applies the driver control signal to the driver driving unit.