Method of testing liquid crystal display cells and apparatus...

Details Method of testing liquid crystal display cells and apparatus... Method of testing liquid crystal display cells and apparatus...

2005-02-01

2005-02-01

Zarneke, David (Department: 2829)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C345S096000

Reexamination Certificate

active

06850087

ABSTRACT:
A plurality of liquid crystal display cells in a test unit are driven to display a series of test image patterns. When some of the liquid crystal display cells are judged to function poorly or completely good, they are controlled to display a predetermined image pattern, so that an inspection person can stop further testing them and focus testing on other liquid crystal display cells. Where some of the other liquid crystal display cells are then judged to function poorly or completely good, they are controlled to display the same pattern as such a predetermined image pattern. Thus, since the inspector can test such liquid crystal display cells as required to check, the testing efficiency is significantly improved.

REFERENCES:
patent: 5339093 (1994-08-01), Kumagai et al.
patent: 6734840 (2004-05-01), Fukutoku et al.

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