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. 13, 2020
Filed:
Dec. 24, 2018
Applicant:
Industrial Technology Research Institute, Hsinchu, TW;
Inventor:
Yuan-Ching Chen, Hsinchu County, TW;
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/10 (2020.01); H05B 45/37 (2020.01); H05B 45/35 (2020.01);
U.S. Cl.
CPC ...
H05B 45/37 (2020.01); H05B 45/10 (2020.01);
Abstract
A light-emitting device and a driving device thereof. The driving device is coupled to a load and includes a first current source and a second current source. The first current source provides a base current to drive the load. The second current source generates an adjustment current according to an adjustment voltage and enables the adjustment current to adjust magnitude of a current flowing through the load.