Patent
1991-07-18
1992-09-29
Mintel, William
357 16, 357 55, H01L 3300
Patent
active
051517566
ABSTRACT:
A surface emitting LED has a PN junction between two semiconductor layers, at least one layer being an active layer. The diode is adapted for emitting light through an exit surface. Between the active layer and the exit surface the diode has a luminescence layer with a narrower energy gap than that of the active layer.
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Nettelbladt Hans K.
Widman Karl M.
Asea Brown Boveri AB
Mintel William
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