Partially opaque substrate red LED

Details Partially opaque substrate red LED Partially opaque substrate red LED

1987-11-18

1989-09-05

James, Andrew J.

357 56, 357 55, H01L 3300, H01L 2906

Patent

active

048643718

ABSTRACT:
In a light emitting diode comprising a plurality of layers deposited on a substrate, the substrate is etched so as to reduce the area in which the substrate is attached to the plurality of layers. The reduction in the area of attachment results in less light being absorbed by the substrate and thus more total light shining forth from the light emitting diode.

REFERENCES:
patent: 3667117 (1972-06-01), Kunz
patent: 3813587 (1974-05-01), Umeda et al.
patent: 4037241 (1977-07-01), Dierschke
patent: 4223614 (1980-11-01), Botez et al.

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