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MULTILAYER OPTICAL SHEET MODULE

  • US 20130148198A1
  • Filed: 12/08/2012
  • Published: 06/13/2013
  • Est. Priority Date: 12/08/2011
  • Status: Active Grant
First Claim
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1. A multilayer optical sheet module comprising:

  • an upper optical sheet comprising a first structural pattern projected upward;

    a lower optical sheet disposed under the upper optical sheet, the lower optical sheet comprising a second structural pattern projected toward the upper optical sheet; and

    an adhesion layer provided between the upper optical sheet and the lower optical sheet,wherein the second structural pattern comprises,a light transmitting part having a traverse cross section getting smaller along an upward direction; and

    an embedded part continuously connected to an upper portion of the light transmitting part, with a predetermined portion embedded in the adhesion layer, anda circumference of a cross section possessed by the embedded part, contacting with the adhesion layer, is larger than a circumference of a virtual cross section locus formed by extending the light transmitting part upward, with a continuous slope.

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