Device for guiding light

  • US 20050254130A1
  • Filed: 02/19/2003
  • Published: 11/17/2005
  • Est. Priority Date: 02/22/2002
  • Status: Abandoned Application
First Claim
Patent Images

1. A device for guiding light consisting of at least one partially translucent surface material, with a surface upper side, which has optically active surface structures for guiding and/or scattering light, as well as an optically switchable coating provided at least in partial areas of the surface structures, or at least two directly or indirectly opposing surface upper sides, of which one exhibits optically active surface structures for guiding and/or scattering light, and the other provides an optically switchable coating that covers at least parts of the surface upper side.

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