A semiconductor structure with two light emitting diodes in series connection is disclosed. The semiconductor structure comprises two light emitting diodes (LEDs) having the same stack layers and abutting each other but spaced by an isolation trench. The stack layers from a bottom thereof include a thermal...http://www.google.com/patents/US6998642?utm_source=gb-gplus-sharePatent US6998642 - Series connection of two light emitting diodes through semiconductor manufacture process
