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Wavelength converting substance, wavelength converting gel and light emitting device

  • US 9,299,894 B2
  • Filed: 05/29/2013
  • Issued: 03/29/2016
  • Est. Priority Date: 11/12/2012
  • Status: Expired due to Fees
First Claim
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1. A wavelength converting substance made of a semiconductor material, the wavelength converting substance being configured to absorb an exciting light with a wavelength range falling between 300 nanometers and 490 nanometers, and the exciting light being converted to an emitted light with a wavelength range falling between 450 nanometers and 750 nanometers, wherein a chemical formula of the wavelength converting substance is (AlxGa1-x)yIn1-yP, wherein 0<

  • x≦

    0.7 and 0<

    y≦

    0.7.

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