Light emitting element and array of light emitting elements for light source
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United States of America Patent
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May 20, 1997
Grant Date -
N/A
app pub date -
Nov 7, 1995
filing date -
Nov 11, 1994
priority date (Note) -
Expired
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Abstract
A light emitting element has plural semiconductor layers including a light emitting layer and formed on one principal surface of a semiconductor substrate, and is constructed such that at least one portion of end faces of the plural semiconductor layers including the light emitting layer is set to a light emitting end face. Plural light emitting end faces are formed in the light emitting element. Angles formed between mutual adjacent end faces of the respective light emitting end faces are set such that lights emitted from at least two light emitting end faces among the plural light emitting end faces are mutually synthesized. Accordingly, lights from the plural light emitting end faces can be synthesized and emitted. As a result, an amount of light emitted in a forward direction of the light emitting element and an output of this light can be increased. Accordingly, coupling efficiency of the light emitting element and an optical fiber can be improved and a reduction in light emitting efficiency can be effectively prevented.
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