Light-Emitting Diode Displays With Predictive Luminance Compensation

摘要

An electronic device may be provided with a display. A content generator may generate frames of image data to be displayed on the display. The display may have an array of pixels that emit light to display images. The pixels may contain light-emitting devices such as organic light-emitting diodes, quantum dot light-emitting diodes, and light-emitting diodes formed from discrete semiconductor dies. As a result of aging, the light producing capabilities of the light-emitting devices may degrade over time. The electronic device may have a temperature sensor that gathers temperature measurements. A pixel luminance degradation compensator may apply compensation factors to uncorrected pixel luminance values associated with the frames of image data to produce corresponding corrected pixel luminance values for the display. The compensation factors may be based on aging history information such as pixel luminance history and temperature measurements.

主权项

1. An electronic device, comprising:
a display having an array of pixels, each pixel having a respective light-emitting device; control circuitry that displays content on the array of pixels of the display; and a pixel luminance degradation compensator implemented on the control circuitry that adjusts pixel luminance values for the pixels to compensate for aging-induced pixel luminance degradation in the light-emitting devices.