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Illuminating apparatus and light emitting diode

  • US 6,328,456 B1
  • Filed: 03/24/2000
  • Issued: 12/11/2001
  • Est. Priority Date: 03/24/2000
  • Status: Expired due to Fees
First Claim
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1. An LED lamp comprising at least one semiconductor chip coupled to a source of electrical power, said at least one chip being encased in at least one envelope surrounding said at least one chip, said at least one envelope having a first portion with a central axis and at least one side wall, and a second portion adjacent to said first portion, said second portion forming a lens in front of said at least one chip with the surface of said lens being configured and positioned relative to said at least one chip such that a substantially uniform portion of light emitted from said at least one chip is reflected off of said surface, such that light is radiated spherically over an angle greater than 180°

  • relative to said chip position.

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