Samsung patents method to keep multiple screens looking the same
Samsung has patented a system for devices with multiple screens, such as foldable phones, that tracks how each panel ages over time. The processor creates a 'prediction map' for each screen to estimate where permanent images might stick, then adjusts the brightness of specific pixels to hide these differences.
In the filing’s own words
The electronic device may comprise: a first display, at least one second display, and at least one processor, comprising processing circuitry. At least one processor, individually and/or collectively, may be configured to: generate a first image to be displayed through the first display and a second image to be displayed through the at least one second display; generate a first prediction map by accumulating the first image; generate a second prediction map by accumulating the second image; generate a first compensation map for compensating for burn-in of the first display based on the first prediction map; generate a second compensation map for compensating for burn-in of the at least one second display based on the second prediction map; control a first DDI such that the first display displays a first compensation image; control the second DDI such that the at least one second display displays a second compensation image.
What exactly they claim (claim 1)
1. An electronic device, comprising: a first display; at least one second display different from the first display; a first display driver integrated circuit (DDI) configured to drive the first display; at least one second DDI configured to drive the at least one second display; and at least one processor, comprising processing circuitry, wherein at least one processor, individually and/or collectively, is configured to: generate a first image to be displayed through the first display and a second image to be displayed through the at least one second display; accumulate the first image to generate a first prediction map indicative of a degree of burn-in of the first display; accumulate the second image to generate a second prediction map indicative of a degree of burn-in of the at least one second display; identify a similarity of first burn-in data corresponding to the first prediction map and second burn-in data corresponding to the second prediction map; based on the similarity being greater than or equal to a designated threshold, stop accumulating an image among the first image and the second image and maintain accumulating another image among the first image and the second image, generate a first compensation map for compensating for burn-in of the first display based on the first prediction map, and store the generated first compensation map in a first memory; generate a second compensation map for compensating for burn-in of the at least one second display based on the second prediction map, and store the generated second compensation map in a second memory; convert the first image into a first compensation image based on the first compensation map, and control the first DDI to allow the first display to display the first compensation image; and convert the second image into a second compensation image based on the second compensation map, and control the second DDI to allow the at least one second display to display the second compensation image.
Facts
- Company
- Samsung (Samsung Electronics Co., Ltd.)
- Official title
- Electronic device comprising multiple displays and method for reducing deviation in screen quality of multiple displays
- Patent number
- US12743978B2
- Application number
- 19034284
- Filed
- Jan 22, 2025
- Granted
- Sep 22, 2026
- Inventors
- 4
- Claims
- 15
Classified under
G09G 3/035 Physics & computingG06F 1/1641 Physics & computingG09G 3/3208 Physics & computingG09G 2320/046 Physics & computingG09G 2360/04 Physics & computingMore from Samsung in Phones & computers
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.