Display panel filter and method of making the same

H - Electricity – 01 – J

Patent

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Details

H01J 17/49 (2006.01) G02B 1/11 (2006.01) G02B 5/00 (2006.01) G02B 17/00 (2006.01) G09G 3/28 (2006.01) H01J 15/02 (2006.01) H04N 5/72 (2006.01)

Patent

CA 2295236

The present invention provides a device in the form of a single filter (14) which is useable in conjunction with a plasma display (11) and which functions to reduce reflection after assembly to acceptable levels, to increase contrast enhancement ratios, to reduce EMI emissions to levels which comply with consumer safety regulations and with military and aircraft standards and to reduce infrared transmission in the 800 nm - 1000 nm range to a level which does not interfere with IR remote control operation. The present invention also relates to a method of making such a plasma display panel filter (14).

La présente invention concerne un dispositif se présentant sous forme de filtre (14) unitaire, qui peut être utilisé conjointement avec un écran à plasma (11), et qui sert à réduire la réflexion, après assemblage, à des taux acceptables pour permettre d'accroître les rapports d'accentuation de contrastes; de réduire les émissions produisant des perturbations électromagnétiques à des niveaux conformes aux règlements relatifs à la sécurité des consommateurs et aux normes aéronautiques et militaires; et de réduire les émissions infrarouges de la plage 800 nm - 1000 nm à un niveau ne produisant pas de perturbations avec le fonctionnement de télécommandes à infrarouge. La présente invention a également trait à un procédé de fabrication de ce filtre (14) pour écran à plasma.

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