Abbildungslinse zur Verwendung in einem Lichtmodul für einen Fahrzeugscheinwerfer, Lichtmodul und Fahrzeugscheinwerfer

Details

Veröffentlichungs-Nr.

EP3862623

Aktenzeichen

EP20156289

Anmeldetag

10. Februar 2020

Veröffentlichung

2. November 2022

Erteilung

2. November 2022

Rechtsraum

EP

IPC

F21S41/141F21S41/25

Abstract

The invention describes an imaging lens (1) for use in a light module (20) for a vehicle headlamp (30), comprising a light entry surface (2) and a light exit surface (3), the light entry and exit surfaces (2, 3) being configured and arranged to project light entering the light entry surface (2) and exiting the light exit surface (3) to a far field (4) in order to generate a predefined light intensity distribution (I) in the far field (4), wherein one or more of the light entry surface (2) and the light exit surface (3) comprise an aspheric surface (3) which curvature is defined by an overlay of a conic section plus at least one correction polynomial (C(r), C(x, y)) of at least second order or higher, wherein the correction polynomial (C(r), C(x, y)) describes a waveform.The invention further describes a light module (20) for a vehicle headlamp (30) comprising at least one such imaging lens (1).The invention yet further describes a vehicle headlamp (30) comprising such a light module (20).

Anmelder

Firmen

Lumileds LLC
Lumileds Holding B.V.

Land

🇺🇸 USA

Fachgebiete