Patent ID: 6365911
Filing Date: 2002-04-02
Classification: B82Y,H01L,H01S

Abstract:
A bidirectional semiconductor light emitting element comprising:a first semiconductor region of a first type of conductivity; a second semiconductor region of a second type of conductivity provided on said first semiconductor region; a third semiconductor region of a first conductivity type provided on said second semiconductor region; and a semiconductor light emitting layer interposed in said second semiconductor region, said light emitting layer emitting light by an injection of a tunneling current generated at a reverse-biased p-n junction between said first and second regions under an application of a voltage of a first polarity across said first and third semiconductor regions, and said light emitting layer emitting light by an injection of a tunneling current generated at another reverse-biased p-n junction between said second and third regions under an application of a voltage of a second polarity, which is opposite to said first polarity, across said first and third semiconductor regions.