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. 30, 2012
Filed:
Jul. 06, 2010
Cheng-lung Chiang, Tainan County, TW;
Cheng-Lung Chiang, Tainan County, TW;
Himax Technologies Limited, Fonghua Village, Xinshi Dist., Tainan, TW;
Abstract
A driver for driving a light emitting device includes an output stage and a driving stage. The output stage is for outputting a driving current to the light emitting device according to a driving signal, wherein the light emitting device is coupled between the output stage and a second reference voltage different from the first reference voltage. The driving stage is for generating the driving signal to the output stage, wherein one of the third reference voltage and the fourth reference voltage is within a range between the first reference voltage and the second reference voltage, and the other of the third reference voltage and the fourth reference voltage is outside the range between the first reference voltage and the second reference voltage.