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. 05, 2008
Filed:
May. 20, 2005
Applicant:
Cheng Fang Chen, Taipei, TW;
Inventor:
Cheng Fang Chen, Taipei, TW;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A LED controller and a control method thereof are disclosed. The LED controller can generate a control signal to drive a LED, measure a luminous intensity value of the LED, and selectively adjust the control signal according to the measured value to dynamically adjust the luminous intensity. Besides, a simple design of driving circuit is applied to achieve an effect of dynamically adjusting the current of the LED.