Circular photonic crystal structure, light emitting diode device and photoelectric conversion device

  • US 8,755,645 B2
  • Filed: 06/01/2011
  • Issued: 06/17/2014
  • Est. Priority Date: 03/28/2011
  • Status: Active Grant
First Claim
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1. A photoelectric conversion device, comprising:

  • a photoelectric conversion part suitable for emitting or receiving a light;

    a first medium located in a periphery of the photoelectric conversion part, wherein the light passes through the first medium and a second medium outside the first medium, and the first medium and the second medium have different refractive indices; and

    a circular photonic crystal structure disposed at a junction surface between the first medium and the second medium, wherein the circular photonic crystal structure comprises a plurality of openings, one of the openings is located at a center of the circular photonic crystal structure and encircled by a plurality of concentric circles comprises the other openings.

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