Title:
FLUORESCENT SCREEN FOR COLOR DISPLAY CRT
Document Type and Number:
Japanese Patent JPS60186585
Kind Code:
A
Abstract:
PURPOSE: The titled fluorescent screen emitting monochrom beams of light blue which is prepared by mixing 3 different kinds of specific fluorescent substances wherein manganese, arsenic-activated zinc silicate is made largest in its particle sizes on the average, thus showing high uniformity.
CONSTITUTION: A mixture of (A) Ag-activated zinc sulfide or Ag, GA-activated zinc sulfide, (B) Mn-activated zinc phosphate and (C) Mn, As-activated zinc silicate are used to give a fluorescent screen of light blue emission by the slurry method. The average particle is preferably 5.0W6.5μ in component A, 5.0W6.5μ in B and 5.5W7.0 in C.
Inventors:
OKABE SHIYUNJI
Application Number:
JP4367684A
Publication Date:
September 24, 1985
Filing Date:
March 07, 1984
Export Citation:
Assignee:
NIPPON ELECTRIC CO
International Classes:
C09K11/08; H01J29/20; (IPC1-7): C09K11/08; H01J29/20
Attorney, Agent or Firm:
Uchihara Shin