Full field membrane design for non-round liquid lens assemblies

US8817381B2 · kind B2 · utility

Assignee

• Adlens Beacon, Inc. · US

Inventors

• Amitava Gupta · Seattle, US
• Urban Schnell · Münchenbuchsee, CH
• Karim Haroud · Yverdon-les-Bains, CH
• Hans Jaeger · Thunstetten, CH
• Lisa Nibauer · Short Hills, US
• William Egan · Jackson, US
• Stefan Troller · Köniz, CH
• Julien Sauvet · Lyss, CH
• Christian Oggenfuss · Lyss, CH

Key dates

• Filing date: Feb 28, 2012
• Grant date: Aug 26, 2014
• Expiry date: Feb 28, 2032

Classification

• Technology area (CPC G): Physics
• CPC primary: G06F30/23
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

An optical and mechanical design of a sealed, non-round fluid-filled lens capable of providing variation of optical power. The fluid lens includes at least three optical components: at least one mostly rigid optical disc, at least one mostly flexible optical membrane and a layer of a transparent fluid that is in communication via a fluid channel with a reservoir of excess fluid contained in a reservoir that can be accessed to augment the fluid volume inside the fluid lens to change the power of the fluid lens. The fluid lens is capable of providing correction of spherical and astigmatic errors, and utilizes contoured membranes to provide for a substantially constant desired spherical power over a substantially full field of view of a user.