Display apparatus and method of driving display panel using the same

A method of driving a display panel, the method comprising:

• determining a compensation target image from input image data;
• determining a compensation area based on the compensation target image;
• compensating the input image data such that a compensation degree of a boundary portion of the compensation area is greater than a compensation degree of a central portion of the compensation area;
• outputting a data voltage to the display panel based on the input image data which are compensated;
• determining a first pixel group and a second pixel group in the compensation area;
• and
• determining a compensation cycle and a number of compensation operations,
• wherein the compensation cycle is four frames, the number of the compensation operations is two, a scale factor for first color data in the first pixel group is a first scale factor of one in an N-th frame and an N+1-th frame, and is a second scale factor that is less than one in an N+2-th frame and an N+3-th frame, and a scale factor for first color data in the second pixel group is the second scale factor in the N-th frame and the N+1-th frame, and is the first scale factor in the N+2-th frame and the N+3-th frame, or
• wherein the compensation cycle is two frames, the number of the compensation operations is two, a scale factor for first color data in the first pixel group is a first scale factor of one in an N-th frame and an N+2-th frame, and is a second scale factor that is less than one in an N+1-th frame and an N+3-th frame, and a scale factor for first color data in the second pixel group is the second scale factor in the N-th frame and the N+2-th frame, and is the first scale factor in the N+1-th frame and the N+3-th frame, or
• wherein the compensation cycle is three frames, the number of the compensation operations is three, a scale factor for first color data in the first pixel group is a first scale factor of one in an N-th frame and an N+3-th frame, is a second scale factor that is less than one in an N+1-th frame and an N+4-th frame, and is a third scale factor that is less than the second scale factor in an N+2-th frame and an N+5-th frame, and a scale factor for first color data in the second pixel group is the third scale factor in the N-th frame and the N+3-th frame, is the second scale factor in the N+1-th frame and the N+4-th frame, and is the first scale factor in the N+2-th frame and the N+5-th frame.

An electronic device comprising display apparatus comprising:

• a display panel;
• a data driver configured to output a data voltage to the display panel;
• and
• a driving controller configured to control the data driver, to determine a compensation target image, to determine a compensation area based on the compensation target image, to compensate input image data such that a compensation degree of a boundary portion of the compensation area is greater than a compensation degree of a central portion of the compensation area, to determine a first pixel group and a second pixel group, and to determine a compensation cycle and a number of compensation operations,
• wherein the compensation cycle is four frames, the number of the compensation operations is two, a scale factor for first color data in the first pixel group is a first scale factor of one in an N-th frame and an N+1-th frame, and is a second scale factor that is less than one in an N+2-th frame and an N+3-th frame, and a scale factor for first color data in the second pixel group is the second scale factor in the N-th frame and the N+1-th frame, and is the first scale factor in the N+2-th frame and the N+3-th frame, or
• wherein the compensation cycle is two frames, the number of the compensation operations is two, a scale factor for first color data in the first pixel group is a first scale factor of one in an N-th frame and an N+2-th frame, and is a second scale factor that is less than one in an N+1-th frame and an N+3-th frame, and a scale factor for first color data in the second pixel group is the second scale factor in the N-th frame and the N+2-th frame, and is the first scale factor in the N+1-th frame and the N+3-th frame, or
• wherein the compensation cycle is three frames, the number of the compensation operations is three, a scale factor for first color data in the first pixel group is a first scale factor of one in an N-th frame and an N+3-th frame, is a second scale factor that is less than one in an N+1-th frame and an N+4-th frame, and is a third scale factor that is less than the second scale factor in an N+2-th frame and an N+5-th frame, and a scale factor for first color data in the second pixel group is the third scale factor in the N-th frame and the N+3-th frame, is the second scale factor in the N+1-th frame and the N+4-th frame, and is the first scale factor in the N+2-th frame and the N+5-th frame.