Optische Linse mit einem Asymmetrischen Spiegel
Anmelder: ESSILOR INTERNATIONAL 🇫🇷
Details
- Veröffentlichungs-Nr.
- EP4095570
- Aktenzeichen
- EP21305698
- Anmeldetag
- 27. Mai 2021
- Veröffentlichung
- 30. November 2022
- Rechtsraum
- EP
- IPC
- G02B1/115G02B5/22G02C7/10
Abstract
An optical article having a base material defining a front and a rear main faces, at least one main face being coated with an interferential multilayer coating comprising a stack of at least one high refractive index layer having a refractive index higher than 1.55 and at least one low refractive index layer having a refractive index of 1.55 or less, the refractive indexes being expressed for a wavelength of 550 nm, such as defining high reflective properties when viewing said article from its front face and antireflective properties when viewing said article from its rear face, called asymmetric mirror, at least one of the layers of the asymmetric mirror being a visible light absorbing sub-stoichiometric inorganic material.
Anmelder
- Firma
- ESSILOR INTERNATIONAL
- Land
- 🇫🇷 Frankreich
Französischer Hersteller von Brillengläsern und optischen Linsen, seit 2018 Teil des Konzerns EssilorLuxottica. Das Unternehmen forscht intensiv zu Sehkorrektur- und Beschichtungstechnologien.
2.618 Patente in unserer Datenbank