Boron-containing red light-emitting phosphors and light...

Details Boron-containing red light-emitting phosphors and light... Boron-containing red light-emitting phosphors and light...

2006-03-28

2006-03-28

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Screen

C313S468000, C313S485000, C313S486000, C313S487000, C252S30140R

Reexamination Certificate

active

07019452

ABSTRACT:
A boron-containing phosphor comprises a material having a formula of AD1−xEuxB9O16, wherein A is an element selected from the group consisting of Ba, Sr, Ca, Mg, and combinations thereof; D is at least an element selected from the group consisting of rare-earth metals other than europium; and x is in the range from about 0.005 to about 0.5. The phosphor is used in a blend with other phosphors in a light source for generating visible light with a high color rendering index.

REFERENCES:
patent: 4406971 (1983-09-01), Takano et al.
patent: 4946621 (1990-08-01), Fouassier et al.
patent: 5068568 (1991-11-01), de Vrieze et al.
patent: 5714836 (1998-02-01), Hunt et al.
patent: 6045721 (2000-04-01), Zachau et al.
S. Shionoya and W. M. Yen, (ed.) S Kamiya and H. Mizuno, “Phosphor Handbook,” pp. 389-432, CRC Press, Boca Raton (1999).

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