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Samsung patents display circuit that adjusts voltage based on pixel activity

Samsung has filed a patent for a display control circuit that uses an amplifier to manage voltage sent to screen pixels. The design includes internal switches that disconnect parts of the amplifier when specific pixel groups are inactive, allowing the circuit to output voltage through a different path.

Why it mattersThis is a routine hardware improvement aimed at optimizing how display panels receive power, which may help reduce energy use or improve signal stability in future screens.

In the filing’s own words

A display control circuit including an amplifier circuit connected to first pixels through a first pixel switch and to second pixels through a second pixel switch and a controller electrically connected to the amplifier circuit. The amplifier circuit may include a first sub-circuit and a second sub-circuit connected through at least one internal switch, and the controller may be configured to turn off the at least one internal switch in response to the first pixel switch and the second pixel switch being turned off, such that the amplifier circuit outputs a first output voltage based on an input signal through the first sub-circuit.

What exactly they claim (claim 1)

1. A display control circuit comprising: an amplifier circuit connected to a plurality of first pixels through a first pixel switch and to a plurality of second pixels through a second pixel switch; and a controller electrically connected to the amplifier circuit, wherein: the amplifier circuit comprises a first sub-circuit and a second sub-circuit connected to each other through at least one internal switch; and the controller is configured to turn off the at least one internal switch in response to each of the first pixel switch and the second pixel switch being turned off, such that the amplifier circuit outputs a first output voltage based on an input signal through the first sub-circuit.

Facts

Company
Samsung (SAMSUNG ELECTRONICS CO., LTD.)
Official title
DISPLAY CONTROL CIRCUIT INCLUDING AMPLIFIER CIRCUIT, DISPLAY DEVICE INCLUDING THE SAME AND METHOD OF CONTROLLING THE AMPLIFIER CIRCUIT
Publication number
US20260268828A1
Application number
19552229
Filed
Feb 27, 2026
Published
Sep 10, 2026
Inventors
3
Claims
20

Classified under

G09G 3/2092 Physics & computingG09G 2310/0291 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.