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SEMICONDUCTOR LIGHT EMITTING DEVICE AND SEMICONDUCTOR LIGHT EMITTING APPARATUS

  • US 20070145385A1
  • Filed: 03/13/2007
  • Published: 06/28/2007
  • Est. Priority Date: 05/17/2004
  • Status: Active Grant
First Claim
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1. A semiconductor light emitting device comprising:

  • a transparent substrate having a first major surface and a second major surface, and being translucent to light in a first wavelength band;

    a light emitting layer selectively provided in a first portion on the first major surface of the transparent substrate and configured to emit light in the first wavelength band; and

    a roughened region provided in a second portion different from the first portion on the first major surface.

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