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Added feature electrooptical devices and automotive components

  • US 10,571,772 B2
  • Filed: 01/11/2012
  • Issued: 02/25/2020
  • Est. Priority Date: 01/11/2011
  • Status: Active Grant
First Claim
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1. An electrochromic device wherein the device comprises a rear element coated with a first conductive layer and a transparent front element coated with a second conductive layer wherein the said elements are spaced apart by using at least one of spherical and near spherical spacer beads to define a cavity of a uniform gap such that the first and second conductive layers face the gap and the spacer beads contact the first and second conductive layers, wherein the said cavity is filled by introducing an electrolytic fluid, wherein the said spacer beads have a geometry of a core surrounded by a shell, where the material composition of the shell is different from that of the said core, and the said spacer beads have at least one of the following properties:

  • (a) the shell has a lower mechanical modulus than the core;

    (b) the shell is soluble in the electrolyte and the core is not soluble;

    (c) the shell is compatible with the electrolyte and the core is not compatible with the electrolyte;

    (d) the shell is soluble in the electrolyte.

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