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OPTICAL SHEET, IMAGE SOURCE UNIT, DISPLAY DEVICE, PROCESS FOR PRODUCING OPTICAL SHEET, AND METHOD FOR MANUFACTURING DISPLAY DEVICE

  • US 20110146904A1
  • Filed: 03/02/2011
  • Published: 06/23/2011
  • Est. Priority Date: 09/25/2007
  • Status: Active Grant
First Claim
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1. A method for manufacturing an optical sheet, which comprising the steps of:

  • forming, on one surface of a base material as a sheet-shaped member, prisms to be arranged in parallel along the sheet surface of the optical sheet in a manner to transmit light;

    forming light-absorbing parts between the prisms; and

    after formation of the prisms and the light-absorbing parts, applying an adhesive directly on the other surface of the base material.

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