Liquid crystal display device with hollow semi-columnar...

Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only

Reexamination Certificate

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C349S156000, C349S157000

Reexamination Certificate

active

07375788

ABSTRACT:
An LCD device (10) includes a liquid crystal layer (17) interposed between the first (11) and second (19) substrates, a sealant (18) disposed at a peripheral region of the LCD between the first and second substrates for sealing a space between the first and second substrates, and a color filter layer (123) at the first substrate opposite to the second substrate. Furthermore, a photo spacer pattern (15) including a plurality of photo spacers being provided at the color filter layer. The photo spacers are provided within the space and outside the sealant at peripheral portions of the first and second substrates. A distributive density of photo spacers (152) within the space near an interior side of the sealant is larger than a distributive density of photo spacers (153) within the space distal from the interior side of the sealant.

REFERENCES:
patent: 6163357 (2000-12-01), Nakamura
patent: 6724458 (2004-04-01), Kim et al.
patent: 6819391 (2004-11-01), Kim et al.
patent: 6864946 (2005-03-01), Kim
patent: 2002/0113936 (2002-08-01), Yanagawa et al.
patent: 2003/0025868 (2003-02-01), Hiroshima et al.
patent: 2003/0076471 (2003-04-01), Yanagawa et al.
patent: 2005/0099577 (2005-05-01), Lee et al.
patent: 2006/0103803 (2006-05-01), Jeon et al.

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