Filter for image display device

Details Filter for image display device Filter for image display device

2005-03-15

2005-03-15

Jackson, Monique R. (Department: 1773)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

C428S339000, C428S411100

Reexamination Certificate

active

06866927

ABSTRACT:
The present invention provides a filter for an image display device comprising a resin layer having a thickness of about 1 mm or less containing therein (A) at least one compound selected from a compound of the following formula (1) and the following formula (2):wherein R1to R9, Z1and Z2each independently represent an appropriate substituent, L1to L4each independently represent an aromatic ring optionally having a substituent, and X−represents a counter anion; and (B) a compound having an absorption peak of light in the wavelength range from about 780 nm to about 1200 nm. This filter for an image display device is excellent in contrast and color reproducibility of an image and also in durability, and is suitably used for a plasma display panel.

REFERENCES:
patent: 6638624 (2003-10-01), Ozawa
patent: 2001-13317 (2001-01-01), None
patent: WO 9823980 (1998-06-01), None
patent: WO 0053552 (2000-09-01), None

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