1981-03-16
1983-10-25
Edlow, Martin H.
357 68, 357 72, 357 84, H01L 3300, H01L 2348, H01L 2328, H01L 2504
Patent
active
044122349
ABSTRACT:
A light emitting diode constituted by a pair of semiconductor layers having a planar P-N junction therebetween, the semiconductor layers having at least one side surface extending transversely across the P-N junction and from which light is emitted in a direction parallel with the plane of the P-N junction, a pair of electrodes on the respective outer surfaces of the pair of semiconductor layers parallel with the plane of the P-N junction plane, at least one of the pair of electrodes covering an area less than the total area of the P-N junction and being located adjacent to the one side surface from which the light is emitted, the remainder of the area of the outer surface of the semiconductor layer not being covered by the electrode, and a light shielding member covering the remainder of the area of the outer surface of the semiconductor layer which is not covered by the one electrode. The light shield member is made of a material identical with that of the one electrode, and is insulated from the one electrode, and the light shielding member and the one electrode are spaced from each other to define a gap therebetween for insulating them from each other.
REFERENCES:
patent: 2984775 (1961-05-01), Matlow et al.
patent: 3855606 (1974-12-01), Schoberl
patent: 3974514 (1976-08-01), Kressel et al.
patent: 3991339 (1976-11-01), Lockwood et al.
patent: 4047075 (1977-09-01), Schoberl
patent: 4236296 (1980-12-01), Woolhouse et al.
patent: 4288757 (1981-09-01), Kajimura et al.
Matsuda Motonobu
Tanaka Yoshihiro
Badgett J. L.
Edlow Martin H.
Minolta Camera Kabushiki Kaisha
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