Fluorescent lamp and display apparatus having a fluorescent...

Details Fluorescent lamp and display apparatus having a fluorescent... Fluorescent lamp and display apparatus having a fluorescent...

2007-07-03

2007-07-03

Guharay, Karabi (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C313S486000, C252S30140R

Reexamination Certificate

active

11122082

ABSTRACT:
There is provided a fluorescent lamp having a construction where no difference is surely caused between a composition of the fluorescent particle mixture at one end portion of the glass tube and a composition of the fluorescent particle mixture at another end portion of the glass tube. The fluorescent lamp includes the glass tube and a fluorescent particle layer, formed on the inner surface of the glass tube, and including a fluorescent particle mixture of blue light emitting fluorescent particles having an average specific gravity of 4.0±0.4, red light emitting fluorescent particles having an average specific gravity of 4.0±0.4, and green light emitting fluorescent particles having an average specific gravity of 4.0±0.4, wherein the fluorescent particle mixture forming the fluorescent particle layer has a specific gravity of 4.0±0.4.

REFERENCES:
patent: 2001/0010367 (2001-08-01), Burnell-Jones
patent: 2004/0130256 (2004-07-01), Juestel et al.
patent: 2006/0170319 (2006-08-01), Oku et al.
patent: 2001-110309 (2001-04-01), None
patent: 2003-045329 (2003-02-01), None
patent: 2003-151496 (2003-05-01), None
patent: 2003-331785 (2003-11-01), None
patent: WO 200295791 (2002-11-01), None
JPO Office Action, JP 2004-147887, Dated Issued Dec. 26, 2006, 3 pages.

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