Organic light emitting display and method of driving the same
OwnerEun Kiminventor
Life of this patent
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Abstract
An organic light emitting display with improved display quality. The organic light emitting display includes a display panel including red pixels having red organic light emitting diodes (OLED), green pixels having green OLEDs and blue pixels having blue OLEDs, a first divided power source connected to at least one of the red pixels, the green pixels and the blue pixels, a second divided power source connected to the pixels different from the pixels to which the first divided power source is connected, a power source generator for controlling the voltage value of the first divided power source, and a common power source commonly connected to the red pixels, the green pixels and the blue pixels.
Claims28
An organic light emitting display comprising:
- a display panel including red pixels having red organic light emitting diodes (OLED), green pixels having green OLEDs and blue pixels having blue OLEDs;
- a first divided power source connected to any one the red pixels, the green pixels and/or the blue pixels;
- a second divided power source connected to any one pixel different from pixels to which the first divided power source is connected;
- a power source generator for controlling a voltage value of the first divided power source;
- and
- a common power source commonly connected to the red pixels, the green pixels and the blue pixels.
A method of driving an organic light emitting display, the method comprising:
- controlling an amount of current that flows from a first divided power source to a common power source via blue organic light emitting diodes (OLEDs) in response to data signals to generate blue light;
- controlling an amount of current that flows from a second divided power source to the common power source via red OLEDs in response to the data signals to generate red light;
- and
- controlling an amount of current that flows from the second divided power source to the common power source via green OLEDs in response to the data signals to generate green light,
- wherein a voltage value of the first divided power source increases by a predetermined voltage after every predetermined time period.
A method of driving an organic light emitting display, the method comprising:
- controlling an amount of current that flows from a first divided power source to a common power source via blue OLEDs in response to data signals to generate blue light;
- controlling an amount of current that flows from a second divided power source to the common power source via red OLEDs in response to data signals to generate red light;
- and
- controlling an amount of current that flows from the second divided power source to the common power source via green OLEDs in response to data signals to generate green light,
- wherein a voltage value of the second divided power source is reduced by a predetermined voltage after a predetermined period time.
A method of driving a organic light emitting display, the method comprising:
- controlling an amount of current that flows from a common power source to a first divided power source via blue OLEDs in response to data signals to generate blue light;
- controlling an amount of currents that flow from the common power source to the second divided power source via red OLEDs in response to data signals to generate red light;
- and
- controlling an amount of current that flows from the common power source to the second divided power source via green OLEDs in response to data signals to generate green light,
- wherein a voltage value of the first divided power source is reduced by a predetermined voltage after a predetermined time period.
A method of driving a organic light emitting display, the method comprising:
- controlling an amount of current that flows from a common power source to a first divided power source via blue OLEDs in response to data signals to generate blue light;
- controlling an amount of current that flows from the common power source to the second divided power source via red OLEDs in response to data signals to generate red light;
- and
- controlling an amount of current that flows from the common power source to the second divided power source via green OLEDs in response to data signals to generate green light,
- wherein a voltage value of the second divided power source is increased by a predetermined voltage after a predetermined time period.
An organic light emitting display comprising:
- first pixels including first OLEDs that emit at least one colored light;
- second pixels including second OLEDs that emit at least one colored light different from the at least one colored light emitted by the first OLEDs;
- a common power source commonly connected to the first pixels and second pixels;
- a first divided power source connected to the first pixels;
- and
- a second divided power source connected to the second pixels.
Dependencies are inferred from the claim text.