Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent
1993-10-04
1995-08-29
Brinich, Stephen
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
362260, H01J 1716
Patent
active
054463408
ABSTRACT:
A discharge lamp having a lamp envelope with at least one sealed end which is disposed in the base member of the discharge lamp includes an excitation arrangement capable to emit light output upon sufficient energization, an energization arrangement disposed in the base member sufficient to excite the lamp envelope. The sealed end of the lamp envelope has a roughened texture disposed around a substantial portion thereof. The texturized region is grit blasted and structurally weaker than the remaining portion of the lamp envelope. At least one sealed end of the lamp envelope is texturized and is effective so as to: shut down the discharge lamp upon the possible occurrence of a high temperature condition and, upon shut down, substantially maintain the envelope fill material within the lamp envelope and base member.
REFERENCES:
patent: 4721876 (1988-01-01), White et al.
patent: 5055735 (1991-10-01), DeJong et al.
patent: 5173637 (1992-12-01), Sica
Guba Alexander L.
Parillo Edward V.
Steinbrenner Erwin G.
Brinich Stephen
Corwin Stanley C.
General Electric Company
Hawranko George E.
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