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:
Feb. 22, 2011
Filed:
Mar. 12, 2008
Applicants:
Abram Chang, Taipei, TW;
Shih-jen Chuang, Taoyuan Hsien, TW;
Inventors:
Abram Chang, Taipei, TW;
Shih-Jen Chuang, Taoyuan Hsien, TW;
Assignee:
Everlight Electronics Co., Ltd., Taipei Hsien, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit apparatus of an LED vehicle lamp is disclosed. The circuit apparatus includes an input unit, an LED unit and a current limiting unit. The LED unit includes at least one light-emitting device. Each light-emitting device includes at least one LED and a protection device. The protection device and each one LED are connected in parallel. The circuit apparatus of an LED vehicle lamp protects the element of the LEDs from being damaged, increases traveling safety and simplifies maintenance.