DISPLAY DEVICE, DATA PROCESSING DEVICE FOR THE SAME, AND METHOD THEREOF

摘要

A data processing device includes a gamma processor applying a gamma function to grayscale data including red grayscale data, green grayscale data, and blue grayscale data to generate luminance data including red luminance data, green luminance data, and blue luminance data, a first compensation coefficient generator generating a first compensation coefficient, a second compensation coefficient generator calculating a first grayscale ratio of the blue grayscale data and a second grayscale ratio of the red grayscale data, and generating a second compensation coefficient, a data compensation coefficient generator generating a data compensation coefficient by multiplying the first compensation coefficient and the second compensation coefficient, a data compensator generating compensation luminance data by adding the luminance data to a value of the data compensation coefficient multiplied by the luminance data, and an inverse processor generating compensation grayscale data.

主权项

1. A data processing device, comprising:
a gamma processor applying a gamma function to grayscale data including red grayscale data, green grayscale data, and blue grayscale data to generate luminance data including red luminance data, green luminance data, and blue luminance data; a first compensation coefficient generator generating a first compensation coefficient increasing luminance of the grayscale data as a grayscale decreases; a second compensation coefficient generator calculating a first grayscale ratio of the blue grayscale data and a second grayscale ratio of the red grayscale data for a sum of a grayscale of green grayscale data, blue grayscale data, and red grayscale data, and generating a second compensation coefficient increasing luminance of the blue grayscale data as the first grayscale ratio is decreased and increasing luminance of the red grayscale data as the second grayscale ratio becomes smaller; a data compensation coefficient generator generating a data compensation coefficient by multiplying the first compensation coefficient and the second compensation coefficient; a data compensator generating compensation luminance data by adding the luminance data to a value of the data compensation coefficient multiplied by the luminance data; and an inverse processor generating compensation grayscale data by applying an inverse gamma function to the compensation luminance data.