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:
Nov. 13, 2012
Filed:
Feb. 24, 2009
Ok-kwon Shin, Cheonan-si, KR;
Seung-hwan Moon, Yongin-si, KR;
Sun-kyu Son, Suwon-si, KR;
Abstract
A power circuit for a liquid crystal display includes a voltage divider which generates a voltage-divided voltage between a first power source and a second power source, an operational amplifier which receives the voltage-divided voltage to output a driving voltage, a first switch connected between the first power source and a common node, and a second switch connected between the second power source and the common node. The first switch provides a first current path between the first power source and the common node in response to the driving voltage, and the second switch provides a second current path between the second power source and the common node in response to the driving voltage.