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3D grid controllable liquid crystal lens and manufacturing method thereof

  • US 8,237,890 B2
  • Filed: 10/06/2010
  • Issued: 08/07/2012
  • Est. Priority Date: 10/19/2009
  • Status: Active Grant
First Claim
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1. A three-dimensional (3D) grid controllable liquid crystal lens, comprising:

  • a first substrate;

    a plurality of first active device arrays disposed on the first substrate, each of the first active device arrays comprising a thin film transistor, a storage capacitor, and a transparent electrode electrically connected to the thin film transistor;

    a first insulating layer disposed above the first active device arrays;

    a plurality of first spacers disposed on the first substrate and supporting the first insulating layer, so as to form a first containing space between the first insulating layer and the first active device arrays;

    a plurality of second active device arrays disposed on the first insulating layer, each of the second active device arrays comprising a thin film transistor, a storage capacitor, and a transparent electrode electrically connected to the thin film transistor;

    a second insulating layer disposed above the second active device arrays;

    a plurality of second spacers disposed on the first insulating layer and supporting the second insulating layer, so as to form a second containing space between the second insulating layer and the second active device arrays;

    a plurality of third active device arrays disposed on the second insulating layer, each of the third active device arrays comprising a thin film transistor, a storage capacitor, and a transparent electrode electrically connected to the thin film transistor;

    a second substrate comprising a common electrode disposed thereon and arranged opposite to the first substrate, and the common electrode is located between the second substrate and the third active device arrays;

    a plurality of third spacers disposed on the second insulating layer and supporting the second substrate, so as to form a third containing space between the second substrate and the third active device arrays; and

    a plurality of liquid crystal layers respectively disposed in the first containing space, the second containing space, and the third containing space.

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