High intensity electrodeless discharge lamp with particular meta

Details High intensity electrodeless discharge lamp with particular meta High intensity electrodeless discharge lamp with particular meta

1997-08-11

1999-03-30

O'Shea, Sandra

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

313493, H01J 1720

Patent

active

058893687

ABSTRACT:
An electrodeless high intensity discharge (EHID) lamp is disclosed for photo optical applications, such as videoprojection. The lamp contains a specific chemical fill that makes it useful as a light source for videoprojectors. The chemical fill completely vaporizes during operation, and comprises AlI.sub.3, InI, and an iodide of a metal selected from the group consisting of Th, Hf and Zr.

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patent: 5606220 (1997-02-01), Dolan et al.
patent: 5691601 (1997-11-01), Frey et al.

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