Compact folded lenses with large apertures

US10948696B2 · kind B2 · utility

Assignee

• Corephotonics Ltd. · IL

Inventors

• Gal Shabtay · Tel Aviv-Yafo, IL
• Ephraim Goldenberg · Ashdod, IL
• Michael Dror · Tel Aviv-Yafo, IL
• Roy Rudnick · Tel Aviv-Yafo, IL
• Gil Bachar · Tel Aviv-Yafo, IL

Key dates

• Filing date: Jul 22, 2018
• Grant date: Mar 16, 2021
• Expiry date: Jul 22, 2038

Classification

• Technology area (CPC G): Physics
• CPC primary: G03B30/00
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

Lens assemblies comprising, from an object side to an image side, a positive first lens element L1 with a first optical axis and a first lens width W1, a light folding element, a negative second lens element L2 and a plurality of additional lens elements L3-LN with a common second optical axis, and an image sensor having a sensor diagonal length (SDL), wherein the light folding element is configured to fold light from the first optical axis to the second optical axis, wherein the folded lens has an optical height OH, wherein SDL/OH>0.7 and wherein OH/W1<1.1.