DONG HUN LEE
Engineers in Fairfax, VA

License number
Virginia 0402048184
Issued Date
Oct 4, 2010
Expiration Date
Oct 31, 2012
Category
Professional Engineer License
Type
Professional Engineer
Address
Address
Fairfax, VA

Professional information

Dong Lee Photo 1

Apparatus And Method For Driving Liquid Crystal Display Device

US Patent:
7746334, Jun 29, 2010
Filed:
May 27, 2005
Appl. No.:
11/139440
Inventors:
Dong Hoon Lee - Fairfax VA, US
Juhn Suk Yoo - Seoul, KR
Chul Sang Jang - Anyang-si, KR
Oh Kyong Kwon - Seoul, KR
Assignee:
LG. Display Co., Ltd. - Seoul
International Classification:
G06F 3/033
US Classification:
345209, 345 96, 345 98, 345204
Abstract:
A driving apparatus of a liquid crystal display device includes a liquid crystal display panel display a video signal by use of a liquid crystal cell of a matrix shape. A plurality of data drive circuits generate a polarity pattern of the video signal in accordance with a polarity signal and supply the polarity pattern to the liquid crystal cell through a plurality of output channels. A polarity controller controls the polarity signal and supplies the polarity signal to the data drive circuits on the basis of a first selection signal corresponding to the number of the output channels of one drive circuit and a second selection signal corresponding to a repetition period of the polarity pattern.