Polarizer for compensation of gravity defect in liquid...

Details Polarizer for compensation of gravity defect in liquid... Polarizer for compensation of gravity defect in liquid...

2008-07-22

2008-07-22

Font, Frank G (Department: 2883)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S096000, C349S155000

Reexamination Certificate

active

07403247

ABSTRACT:
An LCD device is disclosed, having a polarizer of which a retardation value is variable on regions for compensation of gravity defect caused by an excess liquid crystal at room temperature, wherein the LCD device includes an LCD panel having a normal cell gap region and an abnormal cell gap region; and the polarizer having a compensated retardation value Δnd for the abnormal cell gap region.

REFERENCES:
patent: 2005/0099563 (2005-05-01), Hsu et al.
patent: 2005/0219454 (2005-10-01), Lee
patent: 2006/0158586 (2006-07-01), Bruinink et al.
patent: 2006/0203158 (2006-09-01), Parri et al.

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