Electrical contact for an LED

Details Electrical contact for an LED Electrical contact for an LED

1987-11-16

1989-09-05

James, Andrew J.

357 68, 357 16, H01L 3300

Patent

active

048643700

ABSTRACT:
A high efficiency light emitting diode is achieved through the use of a patterned metal contact. The metal contact is insulated from the structure of the light emitting diode to prevent current flow and subsequent light generation underneath the electrical bond pad. This shifts the drive current out to the patterned portion of the bond pad or metal contact.

REFERENCES:
patent: 3875473 (1975-04-01), LeBailly
patent: 4001055 (1977-01-01), Charmakadze
patent: 4145707 (1979-03-01), Sadamasa et al.
patent: 4603280 (1986-07-01), Pankove
patent: 4707716 (1987-11-01), Daniebe
patent: 4731790 (1988-03-01), Sawai
patent: 4750183 (1988-06-01), Takahashi et al.
patent: 4761790 (1988-08-01), Hayakawa et al.
patent: 4779281 (1988-10-01), Naka et al.

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