Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2008-05-21
2009-02-17
Duong, Thoi V (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S123000, C349S043000
Reexamination Certificate
active
07492427
ABSTRACT:
An LCD device includes a first substrate having a first base substrate, patterns disposed at different heights with respect to the first base substrate, and an insulation layer formed on the first base substrate and the patterns. The insulation layer has raised portions corresponding to the patterns. A side of the raised portions forms an inclination angle of no more than about 45° when a height of the raised portions is more than about 3000 angstroms, the side of the raised portions forms an inclination angle of no more than about 50° when a height of the raised portions is in a range of about 2000 angstroms to about 3000 angstroms, and the side of the raised portions forms an inclination angle of no more than about 90° when a height of the raised portions is more than about 2000 angstroms. Therefore, light leakage may be minimized.
REFERENCES:
patent: 6768530 (2004-07-01), Matsuyama et al.
patent: 6788363 (2004-09-01), Liu et al.
Duong Thoi V
MacPherson Kwok & Chen & Heid LLP
Samsung Electronics Co,. Ltd.
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