Display driver integrated circuit and display driving system including the same
AssigneeSamsung Electronics Co., Ltd.
InventorSang-Min LEE
Life of this patent
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Abstract
A display driving system includes a display driver integrated circuit, and the display driver integrated circuit includes a brightness calculating circuit, an image complexity calculating circuit, a weight calculating circuit and a look up table. The brightness calculating circuit calculates brightness of image data and generates brightness data. The image complexity calculating circuit calculates image complexity and generates weight data, based on a pattern of the image data. The weight calculating circuit receives brightness data and a weight data to generate brightness correction data.
Claims20
A display driver integrated circuit comprising:
- a brightness calculating circuit configured to calculate brightness of image data and to generate brightness data;
- an image complexity calculating circuit configured to calculate image complexity based on a pattern of the image data and to generate weight data based on the image complexity;
- a weight calculating circuit configured to receive the brightness data and the weight data and to generate brightness correction data based on the brightness data and the weight data;
- and
- a source integrated circuit configured to generate a data voltage corresponding to the image data, based on the brightness correction data,
- wherein the source integrated circuit decreases the data voltage as the image complexity increases.
A display driving system comprising:
- a display driver integrated circuit configured to generate a data voltage based on image data which comprises target pixel data of a target pixel and edge pixel data of an edge pixel located adjacent to the target pixel;
- and
- a display panel comprising a data line, which receives the data voltage, a gate line which crosses the data line, and a pixel connected with the data line and the gate line,
- wherein the display driver integrated circuit comprises:
- a control circuit configured to calculate image complexity based on a difference in data value between the target pixel data and the edge pixel data;
- and
- a source integrated circuit configured to generate the data voltage corresponding to the target pixel data based on the image complexity, and
- wherein the source integrated circuit reduces the data voltage as the image complexity increases.
A display driving method, comprising:
- calculating brightness of image data corresponding to each of pixels;
- calculating image complexity of the image data based on a pattern of the image data;
- generating weight data based on the image complexity;
- generating brightness correction data corresponding to each of the pixels based on the brightness of the image data and the weight data;
- generating a data voltage corresponding to each of the pixels based on the brightness correction data;
- and
- decreasing the data voltage corresponding to pixels having an increased image complexity.
Dependencies are inferred from the claim text.