Light emitting device and lighting fixture

Light emitting device and lighting fixture

  • CN 100,483,756 C
  • Filed: 02/15/2005
  • Issued: 04/29/2009
  • Est. Priority Date: 02/18/2004
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of light-emitting device, this visible light light-emitting device contains at least:

  • The semiconductor light-emitting elements of emission bluish violet or blue light,Have the support member of the inclined-plane of the recess that is used to place this semiconductor light-emitting elements and recess as visible wavelengths scope light reflecting surface,To the terminal of this semiconductor light-emitting elements power supply,Absorption is from the part or all of light of this light-emitting component emission, the fluorescent material of emission different wave length fluorescence, this fluorescent material is the mixture of a kind of first fluorescent material X% of color of light and the second fluorescent material Y% of emission yellowish red color or red light in transmitting green, yellow green or the yellow at least, mixed proportion is 0 ≦

    X<

    100,0<

    Y ≦

    100,0<

    X+Y ≦

    100It is characterized in that this second fluorescent material is at CaAlSiN 3In the crystalline phase solid solution be selected from the element more than a kind or 2 kinds of Mn, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu.

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