| 摘要 |
A light-emitting device according to the present invention includes a first electrode unit 9 for injecting an electron, a second electrode unit 10 for injecting a hole, and light-emitting units 11 and 12 electrically connected to the first electrode unit 9 and the second electrode unit 10 respectively, wherein the light-emitting units 11 and 12 are formed of single-crystal silicon, the light-emitting units 11 and 12 having a first surface (topside surface) and a second surface (underside surface) opposed to the first surface, plane orientation of the first and second surfaces being set to a (100) plane, thicknesses of the light-emitting units 11 and 12 in a direction orthogonal to the first and second surfaces being made extremely thin.
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