IPS type liquid crystal display with protrusive electrodes

Details IPS type liquid crystal display with protrusive electrodes IPS type liquid crystal display with protrusive electrodes

2006-10-31

2006-10-31

Ngo, Huyen (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S129000, C349S156000

Reexamination Certificate

active

07130011

ABSTRACT:
An IPS (in-plane switching) liquid crystal display has a color filter substrate (3), a TFT (thin film transistor) substrate (8), and a liquid crystal layer (7) interposed therebetween. The TFT substrate includes a TFT plate (5), a protrusion layer (6), and an electrode matrix. The electrode matrix includes a plurality of transversely disposed gate lines (22), a plurality of longitudinally disposed data lines (21), switching elements, a plurality of common electrodes (27), and a plurality of pixel electrodes (28). The protrusion layer has a plurality of protrusion portions (61). The common and pixel electrodes are formed on the protrusion portions in one-to-one correspondence to provide an array of protrusive electrodes that generate a strong and highly uniform parallel electric field. This provides better picture quality, and can lower power consumption and/or yield a higher aperture ratio.

REFERENCES:
patent: 5598285 (1997-01-01), Kondo et al.
patent: 5986735 (1999-11-01), Komatsu
patent: 6351300 (2002-02-01), Park et al.
patent: 6573965 (2003-06-01), Liu et al.
patent: 2002/0033927 (2002-03-01), Mun et al.
patent: 2002/0039166 (2002-04-01), Song

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