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WHITE LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, BACKLIGHT USING SAME, AND LIQUID CRYSTAL DISPLAY

  • US 20090154195A1
  • Filed: 09/28/2006
  • Published: 06/18/2009
  • Est. Priority Date: 09/29/2005
  • Status: Active Grant
First Claim
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1. A white light-emitting device, comprising:

  • a semiconductor light-emitting element emitting ultraviolet light or violet light; and

    a light-emitting unit, which is excited by the light from the semiconductor light-emitting element to emit white light, including three or more kinds of visible light-emitting phosphors,wherein emission spectrum of the light-emitting unit has peaks in a blue region of not less than 440 nm nor more than 460 nm, a green region of not less than 510 nm nor more than 530 nm, and a red region of not less than 620 nm nor more than 640 nm, and the three or more kinds of visible light-emitting phosphors are bound together with a binder in advance.

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