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Samsung patents display tech that scans LED lines in random order

Samsung has been granted a patent for a display system that uses a controller to send varying clock signals to a scanning chip. Instead of lighting up rows of LEDs in a fixed, predictable sequence, the system scans them in a non-sequential order based on these changing signals.

Why it mattersThis technical adjustment to how display lines are refreshed could help manage power usage or reduce visual artifacts in LED-based screens.

In the filing’s own words

A display device including a display including a plurality of light emitting devices (LEDs) arranged in a plurality of lines; a scan integrated circuit (IC) configured to scan the plurality of lines in which the plurality of LEDs are arranged; and a controller is configured to apply, to the scan IC, a control signal including a plurality of clock intervals having different frequencies, wherein, based on the control signal received from the controller, the scan IC non-sequentially scans the plurality of lines.

What exactly they claim (claim 1)

1. A display device comprising: a display including a plurality of light emitting devices (LEDs) arranged in a plurality of lines; a scan integrated circuit (IC) configured to scan the plurality of lines in which the plurality of LEDs are arranged; and a controller configured to apply, to the scan IC, a control signal including a plurality of clock intervals having different frequencies, wherein, based on a frequency of each respective clock interval of the plurality of clock intervals included in the control signal received from the controller, the scan IC non-sequentially scans the plurality of lines, and the frequencies are determined differently depending on whether at least one of the plurality of LEDs can be turned on according to a predetermined number of times that an applied clock signal is input to the scan IC during each respective clock interval of the plurality of clock intervals.

Facts

Company
Samsung (SAMSUNG ELECTRONICS CO., LTD.)
Official title
Display apparatus and scanning method thereof
Patent number
US12749436B2
Application number
19083051
Filed
Mar 18, 2025
Granted
Sep 29, 2026
Inventors
3
Claims
15

Classified under

G09G 3/32 Physics & computingG09G 2300/0408 Physics & computingG09G 2310/08 Physics & computingG09G 2320/0247 Physics & computing
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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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.