Light-emitting diode display

Details Light-emitting diode display Light-emitting diode display

1979-06-25

1981-11-03

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340 46, 340332, 3403782, 340701, 313500, 357 17, 362800, G08B 536

Patent

active

042988691

ABSTRACT:
A plurality of light-emitting diodes are connected in series to elevate the working voltage. A plurality of said series connection are connected in parallel to maintain display even upon a disconnection accident. The total number of light-emitting diodes provides a bright and failure-safe colored light display at a low power consumption. The conventional colored-light-emitting display can be easily substituted by the novel light-emitting diode display to reduce the power consumption and elongate the service lifetime.

REFERENCES:
patent: 3641487 (1972-02-01), Rogers et al.
patent: 3673462 (1972-06-01), Girard
patent: 3737647 (1973-06-01), Gomi
patent: 3906482 (1975-09-01), Morrison
patent: 4047049 (1977-09-01), Erickson et al.
patent: 4148045 (1979-04-01), Fang et al.
patent: 4211955 (1980-07-01), Ray
patent: 4211956 (1980-07-01), Bloyd

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