In-plane switching mode liquid crystal display device

Details In-plane switching mode liquid crystal display device In-plane switching mode liquid crystal display device

2006-06-29

2010-02-23

Font, Frank G (Department: 2883)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S139000

Reexamination Certificate

active

07667804

ABSTRACT:
An in-plane switching (IPS) mode liquid crystal display (LCD) device, comprising: a first substrate and a second substrate; gate lines and data lines formed on the first substrate and crossing each other to form unit pixel regions; a switching device formed at each crossing of the gate lines and the data lines; at least one common electrode and pixel electrode arranged horizontally on the first substrate and generating a horizontal electric field; and a liquid crystal layer formed between the first substrate and the second substrate, wherein when a maximum voltage is applied to the at least one common electrode and pixel electrode, a maximum twist angle between liquid crystal molecules constituting the liquid crystal layer is about 90°. Also, the liquid crystal molecules forming the liquid crystal layer include a liquid crystal molecule having a positive dielectric anisotropy and a liquid crystal molecule having a negative dielectric anisotropy.

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