Decorative part with planar light conductor

• Main Authors: BIEDER HUBERT, BETZ DANIEL, JAEGER ERNST-STEFFEN
• Format: Patent
• Language: Chinese; English
• Published: 27.10.2023
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

The invention relates to a planar light guide (1) having at least three layers (3, 4, 5, 7), the refractive index of two layers configured as films (4) being lower than the refractive index of the light guide layer (3) arranged therebetween, one of the films (4) having a coupling-out structure (6) for light. The invention is characterized in that the layers (3, 4, 5, 7) form a thin film composite (2), in which the light guide layer forms a thin film (3). The invention further relates to a light-emitting element having such a planar light guide (1) and a coupled input light guide (8). The invention further relates to a decorative part (10), in which a light source, which is coupled to the planar light guide (1) and which comprises an illumination device (14, 16) and a coupling-in light guide (8), is provided in such a way that a surface portion is actively illuminated and a light-tight surface portion covers the light source and the coupling when viewed from a viewing direction (B). 本发明涉及一种面式光导体(1)，其具有至少三个层(3、