Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent
1986-04-25
1987-05-05
Cooper, Jack
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
2523014P, 2523014H, C09K 11477, H01J 6144
Patent
active
046635637
ABSTRACT:
Disclosed is a halophosphate phosphor activated with divalent europium, which is represented by the formula:
REFERENCES:
patent: 2726214 (1955-12-01), Ranby et al.
patent: 3488292 (1970-01-01), McAllister
patent: 3509065 (1970-04-01), Palilla
patent: 4500443 (1985-02-01), Taya et al.
patent: 4527087 (1985-07-01), Taya et al.
Hagiwara Yasuhiko
Hatakeyama Keiji
Narita Kazuo
Taya Akira
Cooper Jack
Kabushiki Kaisha Toshiba
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