Light emitting diode clusters for display signs

Details Light emitting diode clusters for display signs Light emitting diode clusters for display signs

1990-11-08

1991-07-30

DeMeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313 51, 313110, 313318, 362800, 362812, 40452, H01L 3300

Patent

active

050362488

ABSTRACT:
The invention concerns light emitting diode clusters assembly suitable for use in outdoor displays. The cluster on a circuit board is housed in a first socket open to its front and nested in an outer connector socket. Electrical wiring runs from the rear of the first socket via the connector socket to a source of electricity. The connector socket provides weather proofing and protects the circuit board from torque. Moreover, driver circuits of a display board into which the assembly is connected may be shielded from ultraviolet rays. A tubular visor may be provided to the front.

REFERENCES:
patent: 4254453 (1981-03-01), Mouyard et al.
patent: 4271408 (1981-06-01), Teshima et al.
patent: 4277819 (1981-07-01), Sobota et al.
patent: 4628422 (1986-12-01), Ewald
patent: 4733335 (1988-03-01), Serizawa et al.
patent: 4847531 (1989-07-01), Tsuji et al.
patent: 4851824 (1989-07-01), Murata

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