Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co LtdfiledCriticalNEC Corp
Priority to JP15828176ApriorityCriticalpatent/JPS5382258A/en
Publication of JPS5382258ApublicationCriticalpatent/JPS5382258A/en
Cathode-Ray Tubes And Fluorescent Screens For Display
(AREA)
Abstract
PURPOSE: To obtain a fluorescent film and a supporting structure of a shadow mask by which performance can be improved, by providing transmitting narrow holes in the position where electron beam comes on a metallic thin plate and applying and charging red, blue and green fluorescent materials there.