Optical elements with gradient structure

US8389592B2 · kind B2 · utility

Assignee

• Leibniz-Institut für Neue Materialien gemeinnützige GmbH · DE

Inventors

• Peter William de Oliveira · Riegelsberg, DE
• Michael Veith · Sankt Ingbert, DE
• Peter Rogin · Riegelsberg, DE
• Hechun Lin · Riegelsberg, DE
• Marcus Geerkens · Quierschied, DE

Key dates

• Filing date: Feb 11, 2009
• Grant date: Mar 5, 2013
• Expiry date: May 17, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24942
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

Optical elements, in particular for holographic applications, have a gradient structure formed by a refractive index gradient and include one or more organic polymers and at least one ionic liquid.