BRIGHTNESS COMPENSATION IN A DISPLAY

摘要

Various examples are provided for brightness compensation in a display. In one example, a method includes identifying an IR voltage drop effect on a pixel supplied by a supply voltage line and generating a brightness signal for the pixel based at least in part on the IR voltage drop effect. In another example, a method includes calculating values of IR voltage drop corresponding to pixels fed by a common supply voltage line and providing a data line signal to each pixel that compensates for the IR voltage drop. In another example, a display device includes a matrix of pixels and a brightness controller configured to determine an IR voltage drop effect on a pixel of the matrix and generate a brightness signal for the pixel based at least in part on the IR voltage drop effect and a temporal average pixel brightness within one refreshing cycle associated with the pixel.

主权项

1. A method, comprising:
identifying, in a display device, an IR voltage drop effect on one pixel of a plurality of pixels supplied by a supply voltage line in the display device, the IR voltage drop based at least in part on currents drawn by other pixels of the plurality of pixels supplied by the supply voltage line; and generating, in the display device, a brightness signal for the one pixel based at least in part on the IR voltage drop effect, wherein the brightness signal compensates for the IR voltage drop effect on the one pixel.