Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2008-12-31
2010-11-16
Nguyen, Vinh P (Department: 2829)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
Reexamination Certificate
active
07834650
ABSTRACT:
An LCD test method and apparatus for reducing the number of channels of a probe unit is provided. An apparatus for testing a liquid crystal display including: a stage on which a liquid crystal panel is placed; a plurality of vertically divided blocks, wherein each of the vertically divided blocks include a plurality of adjacent data lines; a data probe unit that provides test pattern signals respectively to groups of at least two of the plurality of vertically divided blocks of the liquid crystal panel; a plurality of horizontally divided blocks, wherein each of the horizontally divided blocks include a plurality of adjacent gate lines; a gate probe unit that provides scanning signals respectively to the plurality of horizontally divided blocks of the liquid crystal panel; and a controller that provides test pattern signals to the data probe unit and provides scanning signals to the gate probe unit.
REFERENCES:
patent: 5293178 (1994-03-01), Kobayashi
patent: 5546013 (1996-08-01), Ichioka et al.
patent: 6759867 (2004-07-01), Sohn
patent: 7298165 (2007-11-01), Chang et al.
patent: 2005/0024082 (2005-02-01), Kitazoe
Eom Soung Yeoul
Kang Dong Woo
Kim Bong Chul
Yang Ki Soub
LG Display Co. Ltd.
McKenna Long & Aldridge
Nguyen Vinh P
LandOfFree
Method and apparatus for testing liquid crystal display... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for testing liquid crystal display..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for testing liquid crystal display... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4195204