Backlit decorative surface, particularly for the interior finishing of motor vehicles

US10864851B2 · kind B2 · utility

Inventors

• Norman Eitel · Eningen unter Achalm, DE
• Joachim Totzl · Neckartenzlingen, DE

Key dates

• Filing date: Oct 4, 2017
• Grant date: Dec 15, 2020
• Expiry date: Oct 4, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J175/04
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A planar decorative material (11), for interior furnishing, with perforations (12), in particular for the automotive industry, which serves to be illuminated, on its rear side (13), with a illumination device (18) and permits a part of the light of the illumination device (18) to pass from the rear side (13) of the decorative material (11) through the perforations (12) to the visible side (14) of the decorative material (11), wherein a film (20) adheres onto the rear side (13) of the decorative material (11), and the perforations (12) extend through the film (20) as far as to the visible side (14) of the decorative material (11), and the film (20) is an adhesive film activatable by increase in temperature and/or pressure, which can be permanently adhesively-bonded onto the illumination device (18) under increase in temperature to a temperature T2 and/or increase in pressure to a pressure p2. The present invention also relates to a manufacturing method.