Title:
LIGHT EMITTING DIODE
Document Type and Number:
Japanese Patent JPS53126881
Kind Code:
A
Abstract:
PURPOSE:To make possible monitoring of light signals and facilitate discrimination when any trouble occurs in the entire tramsmission system by providing plural exposed regions on the main face of a semiconductor where a PN junction to become a light emitting region is formed and letting a light signal transmitting fiber and a light monitoring fiber face said regions respectively.
Inventors:
MORI MITSUHIRO
ONO YUUICHI
MORIOKA MAKOTO
ITOU KAZUHIRO
YAMASHITA KIICHI
KURATA KAZUHIRO
ONO YUUICHI
MORIOKA MAKOTO
ITOU KAZUHIRO
YAMASHITA KIICHI
KURATA KAZUHIRO
Application Number:
JP4147277A
Publication Date:
November 06, 1978
Filing Date:
April 13, 1977
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H01L33/14; H01L33/30; (IPC1-7): H01L33/00