Display panel and short circuit detection device thereof

Details Display panel and short circuit detection device thereof Display panel and short circuit detection device thereof

2011-02-01

2011-02-01

Rude, Timothy (Department: 2871)

Liquid crystal cells, elements and systems

Nominal manufacturing methods or post manufacturing...

Defect correction or compensation

Reexamination Certificate

active

07880856

ABSTRACT:
A pixel unit including a pixel electrode, a scan electrode, a common voltage electrode, a data electrode and at least one redundancy electrode is provided. During the fabricating process of the pixel unit, if a particle is simultaneously located between any two of the pixel electrode, the scan electrode and the common voltage electrode, it would cause a short circuit between the two electrodes. The pixel unit can generate a cross-shaped defect signal at the location where a short circuit happens when the pixel unit undergoes an array test or a cell test. The user can thereby quickly locate the defect and repair it.

REFERENCES:
patent: 5459410 (1995-10-01), Henley
patent: 6437341 (2002-08-01), Izumi et al.
patent: 6873388 (2005-03-01), Tsukao et al.
patent: 7511310 (2009-03-01), Arai et al.
patent: 2006/0125510 (2006-06-01), Brunner et al.
patent: 2009/0225067 (2009-09-01), Yoda et al.

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