Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

2007-11-16

2009-08-25

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S156000, C349S123000

Reexamination Certificate

active

07580104

ABSTRACT:
The present invention provides a liquid crystal display device with a narrow picture frame which reduces a sealing defect by suppressing spreading of an orientation film. In a region inside a sealing material and outside a display region, an uneven surface for suppressing spreading of the orientation film is formed. It is preferable that the uneven surface is formed using an insulation film and, at the same time, an etching stopper layer is formed below the insulation film which forms the uneven surface. It is more preferable that the uneven surface and the stopper layer are simultaneously formed with a layer used for forming pixels in a step for forming such a layer thus preventing the increase of manufacturing steps.

REFERENCES:
patent: 7088418 (2006-08-01), Yamashita et al.
patent: 2006/0152663 (2006-07-01), Kamoshida et al.
patent: 2009/0147202 (2009-06-01), Ashizawa et al.
patent: 11-38424 (1997-07-01), None
patent: 2001-51282 (1999-08-01), None
patent: 2001-330837 (2000-05-01), None

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