Warm white light emitting apparatus and back light module comprising the same

  • US 7,906,789 B2
  • Filed: 11/26/2008
  • Issued: 03/15/2011
  • Est. Priority Date: 07/29/2008
  • Status: Active Grant
First Claim
Patent Images

1. A warm white light emitting apparatus, comprising:

  • a first light emitting diode (LED)-phosphor combination to generate a base light, the base light being white or yellowish white; and

    a second LED-phosphor combination to generate a Color Rendering Index (CRI) adjusting light,wherein the base light and the CRI adjusting light together make a warm white light having a color temperature of 2500 to 4500K.

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