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Illumination device, electrooptical device having the illumination device as front light, and electronic equipment

  • US 6,494,585 B1
  • Filed: 11/08/2000
  • Issued: 12/17/2002
  • Est. Priority Date: 03/15/1999
  • Status: Active Grant
First Claim
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1. An illumination device, comprising:

  • a light source; and

    a light guide plate having an end face, a first surface and a second surface opposing the first surface, the light guide plate introducing light emitted from said light source from the end face and emitting the light from the first surface, the second surface of said light guide plate having a reflective face section for reflecting the light from said light source toward said first surface or emitting the light from said second surface according to an incident angle of the light, said reflective face section including at least a first face and a second face, and an emitting direction of the light emitted from said first face differing from an emitting direction of the light emitted from said second face.

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