The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 08, 2025

Filed:

Sep. 11, 2023
Applicant:

Magnachip Mixed-signal, Ltd., Cheongju-si, KR;

Inventors:

Eunkyu Seong, Cheongju-si, KR;

Hyoungkyu Kim, Cheongju-si, KR;

Assignee:

Magnachip Mixed-Signal, Ltd., Cheongju-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); H03K 17/0812 (2006.01);
U.S. Cl.
CPC ...
G09G 3/2092 (2013.01); H03K 17/08122 (2013.01); G09G 2310/0291 (2013.01); G09G 2330/06 (2013.01);
Abstract

A source buffer output switch control circuit for controlling operations of a source buffer output switch configured to transmit a source signal output from a source buffer to a display panel or block the source signal includes: a switch driver configured to generate a switch control signal for controlling the operations of the source buffer output switch based on a switch operation input signal; a current limiter configured to limit a driving current applied to the switch driver in order to control a slew rate of the switch control signal; and a bias block configured to supply the current limiter with a bias voltage for controlling a magnitude of the driving current.


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