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Electronic apparatus, liquid crystal display device and light guide plate

  • US 6,854,857 B2
  • Filed: 02/07/2003
  • Issued: 02/15/2005
  • Est. Priority Date: 06/11/2002
  • Status: Expired due to Fees
First Claim
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1. An electronic apparatus comprising a liquid crystal display device, whereinsaid liquid crystal display device comprises first and second light sources, a light guide plate, and a liquid crystal unit, said first light source is disposed on one of two opposing side surfaces of said light guide plate, said second light source is disposed on the other of said two opposing side surfaces of said light guide plate, a first plurality of substantially parallel grooves are formed in a first surface of said light guide plate which is substantially parallel with a display surface of said liquid crystal unit, a second plurality of substantially parallel grooves are formed in a second surface opposing said first surface of said light guide plate, at least one of a dimension and density of said first plurality of grooves substantially monotonically changes from one in the vicinity of one of said light sources to one in the vicinity of the other of said light sources.

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