Display Device Burning Correction via Area Segmentation

The patent divides the pixel array into multiple measurement areas, with each area containing several pixels that share a common light reception sensor. This segmentation allows parallel measurement of multiple pixels simultaneously, significantly reducing the total processing time while maintaining accurate luminance uniformity correction across the entire display panel.

The patent makes a single light reception sensor serve multiple functions by having it measure the light emission luminance of multiple different pixels in sequence. The sensor is reused across different measurement areas and different pixels within each area, eliminating the need for dedicated sensors for each pixel and thereby reducing system complexity and measurement time.

The patent implements periodic measurement cycles where pixels are driven at high luminance only briefly to capture the light reception signal, then return to normal operating conditions. This periodic high-luminance measurement approach allows sufficient signal acquisition for accurate burning correction while limiting the cumulative exposure time that would cause permanent luminance efficiency degradation.

The patent performs burning correction measurements preliminarily during manufacturing or initial setup phases, before the display enters normal operational use. By conducting these high-luminance measurements in advance, the system establishes correction data without subjecting the pixels to repeated high-luminance stress during regular operation, thereby preserving long-term luminance efficiency.