Spacer structure

Details Spacer structure Spacer structure

2011-05-31

2011-05-31

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S155000, C349S109000, C349S110000

Reexamination Certificate

active

07952681

ABSTRACT:
A spacer structure includes a first substrate, an overcoat layer, first spacers, second spacers, and a second substrate. The first spacers are disposed in a first region, and the overcoat layer has a first thickness in the first region. The second spacers are disposed in a second region, and the overcoat layer has a second thickness in the second region. The first spacers and the second spacers have the same height, and the first thickness is greater than the second thickness. Accordingly, no gap exists between each of the first spacers and the second substrate; however, a gap exists between each or the second spacers and the second substrate.

REFERENCES:
patent: 6795141 (2004-09-01), Yamada
patent: 6870593 (2005-03-01), Satoh
patent: 7304712 (2007-12-01), Sawasaki et al.
patent: 2003/0072017 (2003-04-01), Sato
patent: 2003/0112405 (2003-06-01), Kim et al.
patent: 2006/0028598 (2006-02-01), Lee

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