Patent ID: 9536498
Date: 2017-01-03
CPC Classifications: G09G

Claim:
1. An apparatus for improving uneven display brightness, comprising: a division circuit configured to divide a display region into a plurality of segmented regions in a scanning line extension direction; a collection circuit configured to collect display brightness of the respective segmented regions; a comparison circuit configured to set reference brightness in a current grayscale according to the collected display brightness of the respective segmented regions; and an adjustment circuit configured to adjust the display brightness of each segmented region in the current grayscale respectively according to the reference brightness in the current grayscale and the display brightness of each segmented region, wherein the display region is provided with a plurality of pixel units arranged in a matrix form, the division circuit transversely divides the pixel units in every m columns into one segmented region in the scanning line extension direction, with m being an integer greater than 0.