Green luminescing cathode-ray tube device

H - Electricity – 01 – J

Patent

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313/35.151

H01J 29/20 (2006.01) H01J 29/18 (2006.01) H01J 29/89 (2006.01)

Patent

CA 1194078

-8- ABSTRACT Green luminescing cathode-ray tube device. A CRT device for generating a bright green light spot is shown. The device employs a terbium activated phosphor. Troublesome radiations emitted by the phosphor particularly in the 586 nm region are significantly de- creased without significant decrease of the desired 544 nm radiation by use of a concentrated solution of a soluble praseodymium salt.

444069

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