Solid state white light emitter and display using same

  • US 8,860,058 B2
  • Filed: 08/23/2012
  • Issued: 10/14/2014
  • Est. Priority Date: 03/26/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. A display, comprising a multiplicity of light-emitting devices, each light-emitting device comprising:

  • at least one single-die semiconductor light-emitting diode (LED) coupleable with a power supply to emit blue light, and a down-converting luminophoric medium arranged for exposure to said blue light, and which in exposure to said blue light responsively emits a longer wavelength, polychromatic radiation, so that each light-emitting device produces a white light output, wherein said white light output comprises blue light from said blue light emitted by the LED and said longer wavelength, polychromatic radiation emitted by the down-converting luminophoric medium, and wherein the down-converting luminophoric medium comprises an inorganic luminophor.

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