Light emitting diode display

Details Light emitting diode display Light emitting diode display

1975-05-19

1977-04-05

Krawczewicz, Stanley T.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313510, A47B 8800, A47B 9500

Patent

active

040164497

ABSTRACT:
This invention relates to a novel light emitting diode display of the type comprising a thin substrate, a plurality of light emitting diodes arranged along the substrate, and an electrical conductor pattern on the substrate which electrically interconnects the light emitting diodes so that all or selected ones may be made light emissive. The diodes are arranged along the thin or "thickness" edge of the substrate while the attendant electrical circuit pattern is carried on the side or sides of the substrate. This novel arrangement permits close packing of rows of light sources which heretofore was limited due to the fact that both the circuitry and diodes were carried on the same display face. Novel displays of this invention may also be used as character segments in alpha-numeric character displays.

REFERENCES:
patent: 3354342 (1967-11-01), Ohntrup et al.
patent: 3711789 (1973-01-01), Dierschke
patent: 3781584 (1973-12-01), Kingsbury

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