Fluorescent display device and display apparatus using the same

Details Fluorescent display device and display apparatus using the same Fluorescent display device and display apparatus using the same

1979-08-06

1981-12-01

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340774, 313467, 313497, 2523014F, G06F 314

Patent

active

043039138

ABSTRACT:
A fluorescent display device comprising at least one phosphor screen composed of a mixture of a SnO.sub.2 :Eu phosphor with at least one of the cathodoluminescent phosphors having emission spectra and exitation properties different from SnO.sub.2 :Eu phosphor. This fluorescent display device emits light of different colors when driven at different voltages and at pulse voltages of different duty cycles. A display apparatus comprises such a fluorescent display device and a driving device with variable output voltage.

REFERENCES:
patent: 3634850 (1972-01-01), Miyasaka
patent: 4081398 (1978-03-01), Hase et al.
patent: 4103069 (1978-07-01), Schulze et al.
patent: 4155030 (1979-05-01), Chang
patent: 4162422 (1979-07-01), Morimoto et al.
Preparation and Low Energy Electron Excitation of SnO.sub.2 :Eu Powder Phosphor, Matsooka et al., J. Electrochem. Soc., Jan. 1978, pp. 102-106.

Affiliated with

Also associated with

Rating

Fluorescent display device and display apparatus using the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fluorescent display device and display apparatus using the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluorescent display device and display apparatus using the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1299158