Flat lighting device

Details Flat lighting device Flat lighting device

1994-11-09

1996-09-24

Gromada, Denise L.

Illumination

Revolving

362222, 362311, F21V 500

Patent

active

055584209

ABSTRACT:
A flat lighting device designed to be free from accidental breakage of the leading-in wires for the luminous body comprised therein if they are subjected to vibration in use to consequently enhance the overall reliability of the flat lighting device. Such a flat lighting device comprises a panel-shaped transparent substrate, a light source holding unit fitted to an end face of the substrate and a tubular luminous body fitted to said light source holding unit and is characterized in that said light source holding unit is made of a conductive material and has a substantially U-shaped cross section such that it engages said end face at the open side thereof and that one of the leading-in wires of said luminous body is connected to said light source holding unit to form thereon a power feed section for the luminous body.

REFERENCES:
patent: 2609436 (1952-09-01), Sermeus
patent: 2948580 (1960-08-01), Eisenstark
patent: 4075467 (1978-02-01), Peterson
patent: 5142453 (1992-08-01), Ohta et al.
patent: 5253089 (1993-10-01), Imai

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