Metal halide high pressure discharge lamp

Details Metal halide high pressure discharge lamp Metal halide high pressure discharge lamp

2008-01-15

2008-01-15

Patel, Ashok (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

C313S638000, C313S639000, C313S640000, C313S641000

Reexamination Certificate

active

11447149

ABSTRACT:
In the metal halide high-pressure discharge lamp for stage, film and television lighting systems and for projection technology and effect lighting, the discharge vessel contains dysprosium and cesium as fill metals for the metal halides. Optimum results for dimmability, arc instability and color rendering are achieved if the fill additionally includes 0.12 to 3.8 μmol of vanadium and if appropriate 0.05 to 1.0 μmol of zirconium per ml of vessel volume. These metals achieve improved color rendering, in particular red rendering, with an Ra of from 70 to 95 and an R9of from 45 to 90.

REFERENCES:
patent: 3911308 (1975-10-01), Akutsu et al.
patent: 5323085 (1994-06-01), Genz
patent: 5635796 (1997-06-01), Genz
patent: 5929563 (1999-07-01), Genz
patent: 2003/0076041 (2003-04-01), Honda et al.
patent: 2003/0184231 (2003-10-01), Eisemann
patent: 2006/0220563 (2006-10-01), Genz et al.
patent: 0 492 205 (1992-07-01), None

Affiliated with

Also associated with

Rating

Metal halide high pressure discharge lamp does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Metal halide high pressure discharge lamp, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Metal halide high pressure discharge lamp will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3948933