Vessel shapes and coil forms for electrodeless discharge lamps

Details Vessel shapes and coil forms for electrodeless discharge lamps Vessel shapes and coil forms for electrodeless discharge lamps

1997-09-05

1999-10-05

Patel, Nimeshkumar D.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313494, 313161, 313634, 315248, H01J 162, H01J 6304, H01J 150, H01J 320

Patent

active

059629681

ABSTRACT:
A discharge vessel for an electrodeless lamp having a pair of substantially parallel front and back walls. In one implementation, the front wall of the discharge vessel has a collimating structure, e.g a fresnel lens, for directing the light in a preferential direction such as in a flood light. In another implementation, the flat discharge vessel is quadrilateral and together with one or more quadrilateral excitation coils can be used as a backlight for a flat panel display. In yet another implementation, a cup-shaped discharge vessel with a collimating structure on the front wall is used in an electrodeless lamp for a task lighting such as a spot light.

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Donald D. Hollister et al.. "A Xenon Lamp with Two Less Electrodes", Feb. 1971, Electro-Optical Systems Design.

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