Display arrangement employing a multi-element light-emitting dio

Details Display arrangement employing a multi-element light-emitting dio Display arrangement employing a multi-element light-emitting dio

1980-04-24

1982-06-08

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

354 53, 354289, 340782, 340718, G06F 314

Patent

active

043342205

ABSTRACT:
A display device comprising a first semiconductor stripe and a second stripe of composite structure in which a great number of successive areas alternate between a semiconductor material having different type with respect to that of the first stripe and an insulating material or materials and which is positioned in side-by-side contact relation to the first stripe to establish P-N junctions. A resistor stripe connected lengthwise to the second stripe so that a voltage proportional to a value of information which is desired to be displayed is applied across a third stripe when first stripe is negatively biased, a corresponding number of successive semiconductor areas in the second stripe are caused to emit visible light, giving a viewer the impression of a continuous luminous stripe having a length representative of the information value.

REFERENCES:
patent: 3843249 (1974-10-01), Kitaura
patent: 3903530 (1975-09-01), Taguchi et al.
patent: 3979743 (1976-09-01), Moore
patent: 3987392 (1976-10-01), Kugelmann et al.
patent: 4017796 (1977-04-01), Tobias
patent: 4039956 (1977-08-01), Shimanek et al.
patent: 4074292 (1978-02-01), Nakamoto

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