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Current content: 157 117 910 patent documents

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139 301 new documents added

1 340 825 documents amended

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EP 0603941 B1 19970402 - Display device comprising a display screen provided with a filtering layer

Title (en)

Display device comprising a display screen provided with a filtering layer

Title (de)

Anzeigevorrichtung mit einem Bildschirm ausgerüstet mit einer Filterschicht

Title (fr)

Dispositif d'affichage avec un écran de visualisation équipé d'un couche filtrante

Publication

EP 0603941 B1 19970402 (EN)

Application

EP 93203506 A 19931214

Priority

EP 93203506 A 19931214
EP 92204041 A 19921221

Abstract (en)

[origin: EP0603941A1] The display screen 32 of a cathode ray tube is provided with a filtering layer consisting of silicon dioxide, an oxide of Ge, Zr, Al or Ti and a black dye. The filtering layer obtained may be mirror bright, is resistant to light and to customary cleaning liquids. <IMAGE>

IPC 1-7

H01J 29/89

IPC 8 full level

H01J 29/89 (2006.01)

CPC (source: EP)

H01J 29/896 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0603941 A1 19940629; EP 0603941 B1 19970402

DOCDB simple family (application)

EP 93203506 A 19931214