LED semiconductor body and use of an LED semiconductor body

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With heterojunction

Reexamination Certificate

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Details

C257S094000, C257S096000, C257SE33002, C257SE33012

Reexamination Certificate

active

07932526

ABSTRACT:
An LED semiconductor body comprising a first radiation-generating active layer and a second radiation-generating active layer, the first active layer and the second active layer being arranged one above another in the vertical direction.

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I. Schnitzer et al., “30% external quantum efficiency from surface textured, thin-film ligh-emitting diodes”, Applied Physics Letters, vol. 63, No. 16, pp. 2174-2176, Oct. 18, 1993.

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