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LIGHT EMITTING DEVICE AND DISPLAY

  • US 20110062864A1
  • Filed: 11/16/2010
  • Published: 03/17/2011
  • Est. Priority Date: 07/29/1996
  • Status: Active Grant
First Claim
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1. A light emitting device comprising:

  • an LED chip having a quantum well structure and a light emitting layer made of a gallium nitride compound semiconductor, said LED chip emitting a light having a peak wavelength in a range from 420 nm to 490 nm;

    a first transparent material covering said LED chip;

    a second transparent material for protecting said LED chip and said first transparent material; and

    a phosphor for absorbing a part of the light from said LED chip and emitting a light having a wavelength different from the light from said LED chip;

    wherein said phosphor is included in second transparent material, and the light from said LED chip and the light from said phosphor are mixed to make a white light.

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