Display device and driving method thereof

A display device comprising:

• a first sub-pixel including a first light emitting element, a first driving element configured to control a current flowing through the first light emitting element based on a gate-source voltage of the first light emitting element, a first switch element configured to switch a current path of the first light emitting element between a pixel driving voltage and a pixel base voltage in response to a first emission signal, and a first compensation circuit configured to receive a first data voltage and a scan signal and apply the first data voltage to a gate electrode of the first driving element;
• a second sub-pixel including a second light emitting element, a second driving element configured to control a current flowing through the second light emitting element based on a gate-source voltage of the second driving element, a second switch element configured to switch a current path of the second light emitting element between the pixel driving voltage and the pixel base voltage in response to a second emission signal, and a second compensation circuit configured to receive a second data voltage and the scan signal and apply the second data voltage to a gate electrode of the second driving element;
• a third sub-pixel including a third light emitting element, a third driving element configured to control a current flowing through the third light emitting element based on a gate-source voltage of the third driving element, a third switch element configured to switch a current path of the third light emitting element between the pixel driving voltage and the pixel base voltage in response to a third emission signal, and a third compensation circuit configured to receive a third data voltage and the scan signal and apply the third data voltage to a gate electrode of the third driving element;
• and
• a luminance adjuster circuit configured to individually control a first pixel driving voltage applied to the first sub-pixel, a second pixel driving voltage applied to the second sub-pixel, and a third pixel driving voltage applied to the third sub-pixel such that a luminance of at least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel is reduced.

A display device comprising:

• a display panel including a plurality of pixels, the plurality of pixels having at least one-pixel comprising a first sub-pixel configured to emit light of a first color, a second sub-pixel configured to emit light of a second color, and a third sub-pixel configured to emit light of a third color;
• a gate driver configured to supply scan signals to the plurality of pixels;
• a data driver configured to supply data voltages to the plurality of pixels, the data voltages including a first data voltage having a first possible voltage range that is applied to the first sub-pixel, a second data voltage having a second possible voltage range that is applied to the second sub-pixel, and a third data voltage having a third possible voltage range that is applied to the second sub-pixel, wherein the first possible voltage range, the second possible voltage range, and the third possible voltage range are different from each other;
• and
• a luminance adjuster circuit configured to individually control a first duration at which a first pixel driving voltage is applied to the first sub-pixel, a second duration at which a second pixel driving voltage is applied to the second sub-pixel, and a third duration at which a third pixel driving voltage is applied to the third sub-pixel to be different from each other to adjust a first emission time of the first sub-pixel during which the first sub-pixel emits light, a second emission time of the second sub-pixel during which the second sub-pixel emits light, and a third emission time of the third sub-pixel during which the third sub-pixel emits light to be different from each other.