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Light emitting apparatus and method of manufacturing the same

  • US 7,390,684 B2
  • Filed: 07/27/2006
  • Issued: 06/24/2008
  • Est. Priority Date: 10/12/2001
  • Status: Active Grant
First Claim
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1. A method of manufacturing a light emitting apparatus comprising a light emitting device disposed on a supporting body;

  • a fluorescent substance that absorbs at least a portion of light emitted from said light emitting device and emits light of a different wavelength; and

    a coating layer that includes said fluorescent substance and covers at least the surface of said light emitting device, the method comprising;

    a first step of preparing a coating solution that contains an organometallic compound including at least one element selected from the group consisting of Si, Al, Ga, Ti, Ge, P, B, Zr, Y, Sn, Pb and alkali earth metals;

    an organic solvent; and

    a fluorescent substance;

    a second step of applying said coating solution to said light emitting device; and

    a third step of drying said coating solution so as to fix said fluorescent substance.

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