Gigabyte Technology has patented a display apparatus featuring a display panel and controller that adjusts pixel brightness based on average image brightness. The controller activates a timer to reduce brightness in stages, ultimately displaying a black screen after a specified duration, with dynamic adjustments based on brightness intervals. GlobalData’s report on Gigabyte Technology gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Gigabyte Technology, Data center cooling systems was a key innovation area identified from patents. Gigabyte Technology's grant share as of June 2024 was 69%. Grant share is based on the ratio of number of grants to total number of patents.
Dynamic brightness adjustment for display images
The patent US12027137B2 describes a display apparatus designed to mitigate image burn-in, a common issue in display technologies. The apparatus includes a display panel and a display controller that processes video signals from a host. The display controller calculates the average brightness of each image in the video signal and monitors the difference in brightness between consecutive images. If the absolute difference in brightness is below a predetermined threshold, the controller activates a timer. As the timer progresses, it reduces the brightness of the current image in a staged manner: first by a lower ratio, then by a higher ratio, and ultimately displays a black screen if the timer exceeds a specified duration. The predetermined threshold is dynamically adjusted based on the average brightness of the current image, with different thresholds set for varying brightness intervals.
Additionally, the patent outlines a method for implementing this brightness reduction strategy. The display controller calculates the average brightness by assessing the red, green, and blue sub-pixels of each pixel, summing these values, and normalizing them by the display resolution. The method includes provisions for determining whether the current and previous images are substantially the same or different based on the brightness difference, which influences the timer's behavior. This innovative approach aims to prolong the lifespan of display panels by preventing static images from causing permanent burn-in, thereby enhancing the overall user experience with display technologies.
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