Data Driver and Display Device including the same
The present invention provides a light emitting display device, which includes: a display panel which displays images; and a driving unit which drives the display panel. The driving unit includes: a voltage selection unit which selects and outputs one of a plurality of gray scale voltages; an offset...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | The present invention provides a light emitting display device, which includes: a display panel which displays images; and a driving unit which drives the display panel. The driving unit includes: a voltage selection unit which selects and outputs one of a plurality of gray scale voltages; an offset voltage selection unit which outputs one of the internally set voltages as an offset voltage in response to a resistor value applied from the outside; and a voltage addition unit which adds the gray scale voltage output from the voltage selection unit and the offset voltage output from the offset voltage selection unit and outputs the data voltage. Therefore, the dispersion of color coordinates can be reduced during optical compensation.
본 발명은 영상을 표시하는 표시패널; 및 상기 표시패널을 구동하는 구동부를 포함하고, 상기 구동부는 복수의 계조전압 중 하나를 선택하여 출력하는 전압 선택부와, 외부로부터 인가된 레지스터값에 대응하여 내부에 설정된 전압들 중 하나를 오프셋전압으로 출력하는 오프셋전압 선택부와, 상기 전압 선택부로부터 출력된 계조전압과 상기 오프셋전압 선택부로부터 출력된 오프셋전압을 가산하여 데이터전압으로 출력하는 전압 가산부를 포함하는 발광표시장치를 제공할 수 있다. |
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