MULTIPLE REFLECTION ELECTRODELESS LAMP WITH SULFUR OR SELENIUM FILL AND METHOD FOR PROVIDING RADIATION USING SUCH A LAMP

A light emitting device comprised of an electrodeless envelope (19') which bears a light reflecting covering (10') around a first portion which does not crack due to differential thermal expansion and which has a second portion which comprises a light transmissive aperture (12'). The...

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Bibliographic Details
Main Authors TURNER, BRIAN, MACLENNAN, DONALD, A, KIPLING, KENT
Format Patent
LanguageEnglish
French
German
Published 06.08.2003
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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Summary:A light emitting device comprised of an electrodeless envelope (19') which bears a light reflecting covering (10') around a first portion which does not crack due to differential thermal expansion and which has a second portion which comprises a light transmissive aperture (12'). The light emitting device may further comprise an optical element (72) spaced from the envelope (19') and configured to reflect an unwanted component of light which exited the envelope (19') back into the envelope (19') through the aperture (12') in the light reflecting covering (10').
Bibliography:Application Number: EP19970928997