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摘要:
High brightness GaN-based light-emitting diodes(LEDs) with stripe-contact electrodes have been developed. The p-type Ohmic contact layer is composed of oxidized Ni/Au stripes and NiO stripes. A Ag (3000 A) omnidirectional reflector covers the p-type contact. The n-type contact is a Ti/Al planar film with a Ti/Al stripe. All Ni/Au, NiO, and Ti/Al stripes surround the center of the LED mesa. At 20 mA current operation, the light output power of GaN-based LEDs with the stripe-contact electrodes is 16.26%-35.37% higher than that of the conventional LEDs.
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来源 :
APPLIED PHYSICS LETTERS
ISSN: 0003-6951
年份: 2006
期: 8
卷: 89
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JCR@2022
ESI学科: PHYSICS;
JCR分区:1