LED Lamp

  • US 7,235,817 B2
  • Filed: 08/03/2004
  • Issued: 06/26/2007
  • Est. Priority Date: 08/07/2003
  • Status: Active Grant
First Claim
Patent Images

1. An LED lamp comprising:

  • a substrate;

    a cluster of LED chips, which are arranged two-dimensionally on the substrate; and

    a plurality of phosphor resin portions that cover the respective LED chips,wherein each said phosphor resin portion includes a phosphor for transforming the emission of its associated LED chip into a light ray having a longer wavelength than that of the emission, andwherein a size of the phosphor resin portions, which cover the LED chips located in an outer region of the cluster, is set bigger than that of the other phosphor resin portions, which cover the LED chips located in the remaining non-outer region.

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