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New green phosphors for plasma displays
Author(s) -
Yocom Niel,
Meltzer R. S.,
Jang K. W.,
Grimm M.
Publication year - 1996
Publication title -
journal of the society for information display
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 52
eISSN - 1938-3657
pISSN - 1071-0922
DOI - 10.1889/1.1985010
Subject(s) - phosphor , plasma display , quantum efficiency , persistent luminescence , luminescence , strontium , plasma , materials science , ultraviolet , aluminate , optoelectronics , analytical chemistry (journal) , chemistry , physics , nuclear physics , environmental chemistry , composite material , thermoluminescence , electrode , cement
— Quantum efficiencies in the vacuum ultraviolet, chromaticities, and decay times of a number of highly efficient green phosphors for plasma‐display applications are compared. It is shown that the Tb 3+ ‐activated phosphates offer improved quantum efficiencies relative to those of the standard plasma‐display phosphor, Zn 2 SiO 4 :Mn, for applications where 10‐ms decay times are acceptable. For applications requiring a very fast response, a new Eu 2+ ‐activated strontium aluminate is found to provide an efficient green phosphor whose efficiency is about 40% of the best phosphate but with a luminescence decay time of only 5 μs.
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