Polarizing plate protective film, polarizing plate, and...

Details Polarizing plate protective film, polarizing plate, and... Polarizing plate protective film, polarizing plate, and...

2011-07-05

2011-07-05

Hahm, Sarah (Department: 2874)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C428S001100

Reexamination Certificate

active

07973883

ABSTRACT:
Disclosed is a polarizing plate protective film having high dimensional stability against moisture. Also disclosed are a polarizing plate using such a polarizing plate protective film, and a liquid crystal display. Specifically disclosed is a polarizing plate protective film which is characterized by containing a cellulose ester and a polymer X which is obtained by copolymerizing at least a styrene derivative monomer Xa having no hydroxyl group and an ethylenically unsaturated monomer Xb having a hydroxyl group or a carboxyl group, and has a weight average molecular weight of 500-100,000.

REFERENCES:
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patent: 2005/0112297 (2005-05-01), Shukla et al.
patent: 2006/0204678 (2006-09-01), Hayashi et al.
patent: 2005330415 (2005-12-01), None
patent: 2005330415 (2005-12-01), None
patent: 2006337664 (2006-12-01), None
patent: 2006132105 (2006-12-01), None

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