Reflective LCD, semitransmitting reflective LCD and electronic device

Reflective LCD, semitransmitting reflective LCD and electronic device

  • CN 1,335,943 A
  • Filed: 11/02/2000
  • Published: 02/13/2002
  • Est. Priority Date: 11/02/1999
  • Status: Active Grant
First Claim
Patent Images

1. reflective liquid crystal device, have the 1st substrate, the 2nd transparent substrate of relative configuration with the 1st substrate, be clamped in the liquid crystal between the above-mentioned the 1st and the 2nd substrate, be configured in above-mentioned the 1st substrate and the reflection electrode layer relative side of above-mentioned the 2nd substrate, be located at above-mentioned the 2nd substrate and the polaroid opposite side of above-mentioned the 1st substrate, be configured in the 1st polarizer between this polaroid and above-mentioned the 2nd substrate, and be configured in the 2nd polarizer between above-mentioned polaroid and above-mentioned the 1st polarizer, the twist angle of above-mentioned liquid crystal, be 230~

  • 260 degree, the Δ

    nd of above-mentioned liquid crystal (product of optical anisotropy Δ

    n and bed thickness d), its minimum value is below 0.85 μ

    m, and its maximal value is more than 0.70 μ

    m, the Δ

    nd of above-mentioned the 1st polarizer, be 150 ±

    50nm or 600 ±

    50nm, the Δ

    nd of above-mentioned the 2nd polarizer, be 550 ±

    50nm, the optical axis angulation θ

    1 of the axis of homology of above-mentioned polaroid or absorption axes and above-mentioned the 2nd polarizer, be 15~

    35 degree, the optical axis angulation θ

    2 of the optical axis of above-mentioned the 1st polarizer and above-mentioned the 2nd polarizer is 60~

    80 degree.

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