Method and apparatus for testing liquid crystal display

Details Method and apparatus for testing liquid crystal display Method and apparatus for testing liquid crystal display

2006-11-07

2006-11-07

Patel, Paresh (Department: 2829)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

Reexamination Certificate

active

07132846

ABSTRACT:
A method and apparatus are provided for inspecting an electrical defectiveness of a liquid crystal display substrate. The method includes shorting ESD protection devices with a conductive shorting bar to form a current path on each of signal wirings of the substrate, supplying a current to the signal wirings, and determining a defectiveness of the signal wirings depending on the current flowing on the signal wirings.

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patent: 6720791 (2004-04-01), Cheng et al.
patent: 6791632 (2004-09-01), Lee et al.

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