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. 16, 2012
Filed:
Jan. 16, 2007
Cheol-min Kim, Seoul, KR;
Il-gon Kim, Seoul, KR;
Tae-hyeong Park, Yongin-si, KR;
Gi-chang Lee, Seoul, KR;
Oh-kyong Kwon, Seoul, KR;
Cheol-Min Kim, Seoul, KR;
Il-Gon Kim, Seoul, KR;
Tae-Hyeong Park, Yongin-si, KR;
Gi-Chang Lee, Seoul, KR;
Oh-Kyong Kwon, Seoul, KR;
Abstract
A driving device for a display device includes a gray voltage generator generating a plurality of gray voltages, a voltage selector selecting an output voltage from the plurality of gray voltages, a voltage level converter converting a level of the output voltage selected by the voltage selector and applying the output voltage with a converted level to data lines, a first switching unit connecting the voltage level converter to the voltage selector and the data lines, and a second switching unit directly connecting the voltage selector and the data lines. Operating times of the first and second switching units are different. Accordingly, when a data voltage is charged in or discharged from a data line, since a separate discharging transistor or a separate discharging amplifier is not used, power consumption and an area of a data driver are reduced.