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Touch-screen assembly with rigid interface between cover sheet and frame

  • US 9,851,827 B2
  • Filed: 05/15/2015
  • Issued: 12/26/2017
  • Est. Priority Date: 05/28/2014
  • Status: Expired due to Fees
First Claim
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1. A touch-screen assembly for performing pressure sensing or force sensing due to at least one touching force, comprising:

  • a cover sheet having an upper surface and a bottom surface, the cover sheet having touch-sensing capability;

    a frame having an upper surface portion and a base;

    a plurality of spaced-apart islands made of anon-adhesive material and disposed on the upper surface portion of the frame, the islands having a height H and a Young'"'"'s modulus of greater than 1 MPa, and wherein there is a gap between each island and the bottom surface of the cover sheet; and

    a compressible adhesive material disposed between the cover sheet and the upper surface portion of the frame and between the islands but not within the gaps, the compressible adhesive material serving to adhere the cover sheet to the frame and having an uncompressed height h≧

    H that defines a gap dimension h−

    H so that the islands limit compression of the compressible adhesive material to the gap dimension of h−

    H when the cover sheet is subjected to the at least one touching force.

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