Decorative light guide element

US11054567B2 · kind B2 · utility

Assignee

• temicon GmbH · DE

Inventors

• Oliver Humbach · Dortmund, DE
• Mike Bülters · Bremen, DE

Key dates

• Filing date: May 30, 2018
• Grant date: Jul 6, 2021
• Expiry date: May 30, 2038

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B6/0065
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

A decorative light guide element having a decorative surface made of segments, at least one of which is a decorative light guide element, and method for producing such a decorative light guide element with illumination and decorative functions. To provide a decorative light guide element, which facilitates illumination independent of the decoration but also has visible decoration when deactivated, provision is made for the decorative light guide element to have a planar light guide element and a light source for coupling light into the light guide element. On a first side of the light guide element, a planar decorative element and, on the opposite side, a microstructure layer for coupling out the light of the light guide element are arranged. An intermediate layer is arranged between the light guide and decorative elements. The intermediate layer having a lower refractive index than the material of the light guide element.