Liquid crystal display device including protective films...

Details Liquid crystal display device including protective films... Liquid crystal display device including protective films...

2008-03-05

2010-12-07

Qi, Mike (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S087000, C349S117000

Reexamination Certificate

active

07847888

ABSTRACT:
The present invention provides a liquid crystal display device containing: a liquid crystal cell; a backlight; a first polarizing plate disposed between the liquid crystal cell and the backlight and having a polarizer and at least two protective films disposed so as to sandwich the polarizer; and a second polarizing plate disposed on a side of the liquid crystal cell opposite to a side on which the first polarizing plate is provided and having a polarizer and at least two protective films disposed so as to sandwich the polarizer, wherein a moisture permeability of the protective films on both sides of the first polarizing plate at 60° C. and 95% RH is more than 300 g/m2·day, and a moisture permeability of at least one protective film of the second polarizing plate at 60° C. and 95% RH is equal to or less than 300 g/m2·day.

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patent: 7504139 (2009-03-01), Kawanishi et al.
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patent: 2007/0222920 (2007-09-01), Oka
patent: 2008/0204643 (2008-08-01), Sasada
patent: 2008/0218671 (2008-09-01), Nakamura
patent: 2009/0251643 (2009-10-01), Yamada et al.
patent: 2005-309394 (2005-11-01), None
patent: 2005309394 (2005-11-01), None

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