Light source device and method of producing same

Details Light source device and method of producing same Light source device and method of producing same

1997-03-25

1998-06-23

Lazarus, Ira S.

Illumination

Illuminated scale or dial

Edge illuminated modifier or light rod/pipe

362 26, 362 31, 362226, G01D 1128, F21V 704, H01R 3300

Patent

active

057695210

ABSTRACT:
A light source device has an elongated rectangular boxed-shaped reflective case with a bottom wall, frame walls which protrude forward from this bottom wall to form an open front surface. A plurality of terminal plates are disposed on the bottom part of this reflective case, and LED chips are bonded onto these terminal plates. Lead terminals extend from the terminal plates and penetrate and reach the outer surface of one of the frame walls. Thickened parts with increased thickness are formed on the inner surface of the frame walls at positions corresponding to these lead terminals.

REFERENCES:
patent: 4897769 (1990-01-01), Lang
patent: 4935665 (1990-06-01), Murata
patent: 4975808 (1990-12-01), Bond et al.
patent: 5075824 (1991-12-01), Tan
patent: 5537296 (1996-07-01), Kimura et al.
patent: 5550715 (1996-08-01), Hawkins
patent: 5613751 (1997-03-01), Parker et al.
patent: 5618096 (1997-04-01), Parker et al.

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