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:
Mar. 17, 2026
Filed:
May. 27, 2022
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Sos Lab Co., Ltd., Gwangju, KR;
Seon-Yong An, Chuncheon-si, KR;
Kyoung-Chun Kweon, Hwaseong-si, KR;
Hoon-Il Jeong, Gwangju-si, KR;
Jun-Hwan Jang, Seongnam-si, KR;
Chan-M Lim, Yongin-si, KR;
Dong-Ju Jang, Bucheon-si, KR;
Abstract
A laser driver for driving a Vertical Cavity Surface Emitting Laser (VCSEL) includes a high-side switch (High-side Field Effect Transistor) having an internal capacitor for charging with a drain terminal thereof connected to a high-voltage terminal, a low-side switch (Low-side Field Effect Transistor) in which a drain terminal thereof is connected to a source terminal of the high-side switch and a source terminal thereof is connected to a ground terminal, and a VCSEL diode having an anode terminal connected to the high-side switch.