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:
Jun. 07, 2016
Filed:
Jun. 30, 2014
Lg Display Co., Ltd., Seoul, KR;
Sung-Gon Park, Daegu, KR;
Joo-Hong Lee, Seoul, KR;
Woong-Ki Min, Paju-si, KR;
Yoon-San Park, Goyang-si, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
A data driving apparatus for a liquid crystal display device includes an output buffer for buffering and outputting a data voltage input from a digital-analog converter, wherein the output buffer includes an input amplifier for amplifying and outputting current proportional to the data voltage, an outputter for supplying a data voltage corresponding to the input data voltage to an output channel using charging and discharging current proportional to output current from the input amplifier, a control switch unit connected between the input amplifier and the outputter, for driving the outputter in a switching mode to precharge the output channel in a precharge period prior to a data supplying period in which the outputter outputs the data voltage, and a mode controller for controlling the control switch unit in response to an input control signal.