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Resin liquid-crystal cell substrate, liquid-crystal cells and liquid-crystal display device

  • US 6,700,637 B2
  • Filed: 05/23/2000
  • Issued: 03/02/2004
  • Est. Priority Date: 05/24/1999
  • Status: Expired due to Fees
First Claim
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1. A liquid-crystal cell substrate comprising a resin with a glass transition temperature of not lower than 130°

  • C., said liquid crystal cell substrate being shaped into a sheet with a thickness in a range of from 0.1 to 1 mm, and having light output means provided on one of upper and lower surfaces of said sheet so that light incident on a side surface is delivered out of said one of upper and lower surfaces through said light output means;

    wherein said light output means comprises prism-like irregularities having steep slopes of 30 to 60 degrees with respect to a reference plane of the sheet.

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