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.
Patent No.:
Date of Patent:
Oct. 06, 2026
Filed:
Nov. 11, 2024
Applicant:
Seoul National University R&db Foundation, Seoul, KR;
Inventors:
Soo-Yeon Lee, Seoul, KR;
Kyeong-Soo Kang, Seoul, KR;
Assignee:
SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/345 (2020.01); G09G 3/32 (2016.01); H05B 45/325 (2020.01);
U.S. Cl.
CPC ...
H05B 45/345 (2020.01); G09G 3/32 (2013.01); H05B 45/325 (2020.01); G09G 2310/027 (2013.01);
Abstract
A micro LED pixel circuit driven by a PWM includes a sweep signal generation unit configured to output a sweep signal of which slope is adjusted according to grayscale data, a constant current control unit configured to supply a constant current and controls whether to stop supply of the constant current according to the sweep signal output by the sweep signal generation unit, and a micro LED driven by the constant current.
Quick Actions:
Lee, Soo-Yeon. (2026). Micro led pixel circuit driven by pwm (U.S. Patent No. 12757303). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12757303
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile