Radiation imagery chemistry: process – composition – or product th – Liquid crystal process – composition – or product
Reexamination Certificate
2005-09-14
2008-09-16
Visconti, Geraldina (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Liquid crystal process, composition, or product
C252S299010, C428S001100, C349S176000
Reexamination Certificate
active
07425395
ABSTRACT:
There is disclosed a liquid crystal display device having two substrates which are placed opposite to each other with a liquid crystal material sandwiched therebetween. A phase plate is formed on the liquid-crystal side surface of one of the substrates. The phase plate is covered with color filters.
REFERENCES:
patent: 5220447 (1993-06-01), Yokokura et al.
patent: 5854665 (1998-12-01), Iba
patent: 6016178 (2000-01-01), Kataoka et al.
patent: 2007/0132916 (2007-06-01), Itou et al.
Ito Osamu
Tanno Junji
Hitachi Displays Ltd.
Visconti Geraldina
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