Light emitting device

  • US 8,399,899 B2
  • Filed: 06/30/2010
  • Issued: 03/19/2013
  • Est. Priority Date: 07/01/2009
  • Status: Active Grant
First Claim
Patent Images

1. A light emitting device comprising:

  • a substrate;

    one or more semiconductor light emitting elements provided on a main surface of the substrate; and

    a protective element connected in parallel with each one of the semiconductor light emitting elements,the protective element being a printed resistor provided in at least one of regions (i) on the main surface of the substrate, (ii) on a back surface of the substrate, and (iii) inside the substrate.

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