There is retroreflective articles and the device of viscoelastic lightguide

There is retroreflective articles and the device of viscoelastic lightguide

  • CN 102,138,087 B
  • Filed: 07/09/2009
  • Issued: 03/01/2017
  • Est. Priority Date: 07/10/2008
  • Status: Active Grant
First Claim
Patent Images

1. a kind of Optical devices, including:

  • Light source;

    Viscoelastic lightguide, the light that wherein said light source sends enters described viscoelastic lightguide, and by total internal reflection describedPropagate in photoconduction;

    WithRetroeflection film, it is suitable to retroreflection light and includesTransparent beads layer andIt is arranged on described layer reflecting material below;

    Wherein said viscoelastic lightguide is arranged on before described transparent beads layer so that propagating in described viscoelastic lightguideLight is extracted and by described transparent beads retroeflection from described photoconduction;

    Wherein said viscoelastic lightguide includes contact adhesive;

    AndThe light that wherein said light source sends is propagated in the described contact adhesive of described viscoelastic lightguide.

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