IPS LCD and repair method of cutting defective pixel...

Details IPS LCD and repair method of cutting defective pixel... IPS LCD and repair method of cutting defective pixel...

2006-07-04

2006-07-04

Schechter, Andrew (Department: 2871)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

C349S141000, C349S038000, C349S039000, C349S192000

Reexamination Certificate

active

07072005

ABSTRACT:
The disclosure concerns an IPS LCD having a structure for changing a bright pixel to a dark pixel and a method of changing a bright pixel to a dark pixel. In the method of changing a bright pixel to a dark pixel, a pixel electrode16is cut at the end of an aperture14. In the IPS LCD structure, a cut32is formed in a CS circuit18of a pixel region12and a laser beam is applied to the pixel electrode16throughout the cut32from a substrate side to cut the pixel electrode16. Instead of the cut32, a window34may be formed to apply a laser beam therethrough.

REFERENCES:
patent: 6778233 (2004-08-01), Matsuura et al.
patent: 2002/0154079 (2002-10-01), Shiota et al.
patent: 2003/0025846 (2003-02-01), Murakami et al.
patent: 11-119253 (1999-04-01), None

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