Kopfmontierbare Vorrichtung mit einer Ophthalmischen Linse und einem Optischen Lichtleiterelement mit Verringerten Lichtlecks und Erhöhter Robustheit

Details

Veröffentlichungs-Nr.

EP4764654

Anmeldetag

20. Dezember 2024

Veröffentlichung

24. Juni 2026

Rechtsraum

EP

IPC

G02B27/01, G02C7/08, G02C9/00

Abstract

This head mountable device (10) comprises an ophthalmic lens (120, 122) having a front wafer (120) and a back wafer (122), an optical system (14) comprising a projector including a light source, a light-guide optical element (16) illuminated by the optical system (14). The optical system (14) is attached to the light-guide optical element (16). The light-guide optical element (16) is bonded to the ophthalmic lens (120, 122) by means of a first adhesive material. The head mountable device (10) comprises, in addition to an ophthalmic portion intended for vision by a user, a first non-ophthalmic portion (18) covering the light-guide optical element (16) and extending between the external edge of the back wafer (122) and the external edge of the light-guide optical element (16), except in the area occupied by the optical system (14), the first non-ophthalmic portion (18) being coated with the first adhesive material.

Anmelder

Firma

Essilor International

Land

🇫🇷 Frankreich