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Light emitting diode, optical semiconductor device, epoxy resin composition suited for optical semiconductor device, and method for manufacturing the same

  • US 20050224821A1
  • Filed: 06/09/2005
  • Published: 10/13/2005
  • Est. Priority Date: 01/24/2001
  • Status: Active Grant
First Claim
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1. A light emitting diode comprising an LED chip having a light emitting layer made of a nitride compound semiconductor and a light transmitting resin that includes a fluorescent material which absorbs at least a part of light emitted by said LED chip and emits light of a different wavelength, wherein said fluorescent material includes a fluorescent particles of small particle size and a fluorescent particles of large particle size, said fluorescent particles of large particle size being distributed in the vicinity of said LED chip in said light transmitting resin to form a wavelength converting layer, said fluorescent particles of small particle size being distributed on the outside of said wavelength converting layer in the light transmitting resin.

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