Phosphor, manufacturing method therefor, and cathode-ray tube us

Details Phosphor, manufacturing method therefor, and cathode-ray tube us Phosphor, manufacturing method therefor, and cathode-ray tube us

1995-12-12

1998-01-13

Bonner, Melissa

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

313467, 313468, H01J 2920, C09K 1162, C09K 1164

Patent

active

057075492

ABSTRACT:
To provide a stable phosphor with a high brightness and little luminous degradation, a phosphor comprises yttrium, aluminum (a part or the whole of aluminum may be replaced with gallium), and oxygen as basic constituting elements, Tb or Ce as an activator, and the garnet structure as a crystal structure and in the curve 1-1 showing the temperature dependency of the thermoluminescence intensity, the integrated intensity of the thermoluminescence peak in the temperature range from 300K to 700K is made smaller than the integrated intensity of the thermoluminescence peak in the temperature range of less than 300K.

REFERENCES:
patent: 3758413 (1973-09-01), Peters
patent: 5363013 (1994-11-01), Matsukiyo et al.
"Abstract of 217th meeting (1987), Phosphor Research Society, Electrochemical Society of Japan, P. 19-26; Phospher for Projection Tube" No Month.

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