High-speed heterojunction light-emitting diode

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United States of America Patent

PATENT NO 5144377
SERIAL NO

07680378

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Abstract

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A high-speed heterojunction light-emitting diode is formed by providing a dielectric layer on a heavily doped semiconductor substrate having short minority carrier lifetime. A semiconductor layer of opposite conductivity to the substrate is epitaxially grown through vias in the dielectric layer. This results in a junction area equal to the useful light-emitting area. An electrical contact is formed on the laterally overgrown area of the epitaxially grown material. The diode manufacture is compatible with planar processing techniques commonly used in integrated circuit manufacture.

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Patent Owner(s)

  • HERITAGE POWER LLC;UNIVERSITY OF DELAWARE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barnett, Allen M Newark, DE 35 968
Berryhill, John B Logan, UT 1 2

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