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Method and device for multistate interferometric light modulation

  • US 8,970,939 B2
  • Filed: 02/16/2012
  • Issued: 03/03/2015
  • Est. Priority Date: 09/27/2004
  • Status: Active Grant
First Claim
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1. A display device, comprising:

  • a first display element configured to be selectively switched among at least a first state having a first spectral reflectance being a first color, a second state having a second spectral reflectance being a second color different than the first color, and a third state having a third spectral reflectance being a black state,the first display element including a deformable movable component capable of moving from a relaxed position to a first actuated position above the relaxed position and to a second actuated position below the relaxed position, the deformable movable component including a partially reflective material, andthe first display element further including a first actuation electrode positioned above the movable component and a second actuation electrode positioned below the movable component, in the relaxed position the deformable movable component being substantially planar and parallel to the second actuation electrode.

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