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Optical compensation plate and deflecting plate using the same

  • US 7,235,283 B2
  • Filed: 01/22/2003
  • Issued: 06/26/2007
  • Est. Priority Date: 01/23/2002
  • Status: Active Grant
First Claim
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1. An optical compensation plate comprising an optical compensation layer, and an anti-cracking layer which is laminated directly on at least one surface of the optical compensation layer, wherein a microhardness of the anti-cracking layer ranges from 0.1 to 0.5 GPa, said anti-cracking layer is formed of a curable adhesive agent which comprises at least one thermosetting resin-based adhesive selected from the group consisting of an epoxy resin, an isocyanate resin and a polyimide resin, and said optical compensation layer is a cholesteric layer whose constituent molecules are aligned in the form of a cholesteric structure, whereinthe constituent molecule of the cholesteric layer is produced from a liquid crystal monomer and a chiral dopant.the liquid crystal monomer is selected from the group consisting of:

  • a compound represented by the below formula (4);

    a compound represented by the below formula (5);

    a compound represented by the below formula (6);

    a compound represented by the below formula (7);

    a compound represented by the below formula (8);

    a compound represented by the below formula (9);

    a compound represented by the below formula (10);

    a compound represented by the below formula (11);

    a compound represented by the below formula (12);

    a compound represented by the below formula (13);

    a compound represented by the below formula (14);

    a compound represented by the below formula (15);

    a compound represented by the below formula (16);

    a compound represented by the below formula (17);

    a compound represented by the below formula (18); and

    a compound represented by the below formula (19), andthe chiral dopant is selected from the group consisting of;

    a compound represented by the below formula (24);

    a compound represented by the below formula (25);

    a compound represented by the below formula (26);

    a compound represented by the below formula (27);

    a compound represented by the below formula (28);

    a compound represented by the below formula (29);

    a compound represented by the below formula (30);

    a compound represented by the below formula (31);

    a compound represented by the below formula (32);

    a compound represented by the below formula (33);

    a compound represented by the below formula (34);

    a compound represented by the below formula (35);

    a compound represented by the below formula (36);

    a compound represented by the below formula (37);

    a compound represented by the below formula (38);

    a compound represented by the below formula (39);

    a compound represented by the below formula (40);

    a compound represented by the below formula (41);

    a compound represented by the below formula (42);

    a compound represented by the below formula (43); and

    a compound represented by the below formula (44)

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