Illumination – Plural light sources – With support
Patent
1994-02-18
1995-02-14
Lazarus, Ira S.
Illumination
Plural light sources
With support
362241, 362294, 362800, 40452, F21V 2900
Patent
active
053900936
ABSTRACT:
Disclosed is an illuminating display device for use with a mosaic panel, in which necessary display devices, measuring instruments, and the like are mounted to a crosswise-shaped metallic grid, to form a panel surface, and on which light-emitting diodes are arranged at a high density to afford a high-luminance display surface. The illuminating display device prevents the display surface and the interior of the display device from increasing in temperature to high due to heat generated by a large number of light-emitting diodes. The whole illuminating display device is composed of a base frame (4) mountable to and removable from the grid, and a circuit board (5) and a reflector (6) to be mounted on the base frame. The base frame (4) is composed of a leg (4b), which is in face-to-face contact with a partitioning wall (2a) of the grid and which is engaged with the grid by its engaging claw (4c), and a base seat (4a) on which a circuit board and others are mounted, wherein the base seat (4a) and the leg ( 4b) are made of metal and integrally provided. By this arrangement, heat generated by illumination of the light-emitting diodes is conducted via the base frame to the metallic grid, thus effectively radiated as a whole.
REFERENCES:
patent: 3291975 (1966-12-01), McCullough et al.
patent: 3451681 (1969-06-01), Rossetti
patent: 4234914 (1980-11-01), Boesen
patent: 4254453 (1981-03-01), Mouyard et al.
patent: 4390810 (1983-06-01), Biwa
patent: 4887074 (1989-12-01), Simon et al.
Himeno Tomiharu
Kohsaka Shoji
K.C.C. Shokai Limited
Lazarus Ira S.
Quach Y.
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