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DISPLAY APPARATUS INCORPORATING DUAL-LEVEL SHUTTERS

  • US 20140267196A1
  • Filed: 03/13/2013
  • Published: 09/18/2014
  • Est. Priority Date: 03/13/2013
  • Status: Active Grant
First Claim
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1. A apparatus comprising:

  • a first light blocking layer including an aperture formed therein; and

    a shutter configured to be moved laterally along a first axis with respect to the light blocking layer by at least one actuator, the shutter including;

    a first light obstructing portion having a dimension along the first axis which is smaller than a dimension of the aperture along the first axis; and

    a second light obstructing portion having a dimension along the first axis which is greater than or equal to the dimension of the aperture along the first axis,wherein the at least one actuator is configured to move the shutter into a first state in which neither the first or the second light obstructing portion substantially obstructs light passing through aperture, a second state in which the first light obstructing portion obstructs a fraction of light passing through the aperture, and a third state in which the second portion obstructs substantially all of the light passing through the aperture.

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