FIELD: physics.
SUBSTANCE: light-emitting diode light source has film-type semiconductor layers deposited on a current-conducting substrate which serves as one of the electrodes, having a crystalline structure with p-n junctions in many grains of the polycrystalline film and coated on the outside by a layer of transparent current-conducting material which serves as the second electrode.
EFFECT: designing a light source having improved longevity, high integral light flux and is cheaper.
1 dwg
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