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Backlight having all-in-one type light guide plate and method of manufacturing all-in-one type light guide plate

  • US 7,985,533 B2
  • Filed: 03/30/2010
  • Issued: 07/26/2011
  • Est. Priority Date: 03/28/2006
  • Status: Expired due to Fees
First Claim
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1. A method of manufacturing a light guiding device, the method comprising:

  • forming a sacrificial layer on a substrate;

    forming a plurality of prism-shaped portions, corresponding in shape to a plurality of prism-shaped structures of the light guiding device, on the sacrificial layer;

    forming the light guiding device by coating a material on the sacrificial layer and the prism-shaped portions; and

    separating the light guiding device from the sacrificial layer,wherein a width of a light exit surface of the prism-shaped portions is wider than a width of a light entry region of the prism-shaped portions.

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