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EP0714966A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Luminescent screen with a phosphor composition

Assignee: Philips Intellectual Property and Standards GmbH
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Filing: 1995-11-21
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Granted: —
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Expires: 2015-11-21
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Abstract

Abstract For high efficiency, esp. for low-energy cathode-ray-tube (CRT) displays, an active luminescent material that stays light and with good contrast is used. This is formed of a mixt. of crystalline zinc sulphide (ZnS1-xSex) or cadmium sulphide (CdS1-xSex, where 0 < x < 0.2), contg. a colour pigment.

Inventors

  • 👤 Markus Dr. c/o Philips Haase
  • 👤 Helmut Dr. c/o Philips Bechtel
  • 👤 Wolfram c/o Philips Czarnojan
  • 👤 Dieter c/o Philips Wädow

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-04 19:16
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/20; C; C09; C09K; C09K11/00; C09K11/02; C09K11/025; C09K11/08; C09K11/56; C09K11/562; C09K11/565; C09K11/57; C09K11/572; C09K11/574; C09K11/58; C09K11/582; C09K11/584; C09K11/88; C09K11/881; C09K11/883

Claims Analysis

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References Cited (Backward Citations)

FR1525036A Cited
US3461077A Cited
US3690929A Cited

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