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US Patent 7369321 Variable-focus liquid lens

Patent 7369321 was granted and assigned to University of Central Florida on May, 2008 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
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Patent
Patent

Patent attributes

Current Assignee
University of Central Florida
University of Central Florida
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7369321
Patent Inventor Names
Shin-Tson Wu4
Hongwen Ren4
Date of Patent
May 6, 2008
Patent Application Number
11653735
Date Filed
January 16, 2007
Patent Citations Received
‌
US Patent 12076229 Accommodating intraocular lens assemblies and accommodation measurement implant
1
‌
US Patent 12090044 Accommodating intraocular lens
2
‌
US Patent 11918458 Intraocular accommodating lens and methods of use
3
Patent Primary Examiner
‌
Evelyn A. Lester
Patent abstract

A variable focus liquid lens is formed using two substrates with at least two through holes in at least one of the substrates. One end of each through hole is covered with a distensible membrane, one on the exterior surface of the substrate and the other on the interior surface. The substrates are sealed about the periphery to form a chamber and the chamber is filled with a liquid material. When pressure is applied to the membrane the liquid in the chamber is redistributed to form the lens. The variable focus liquid-filled lens is formed by providing a first and second substrate, forming at least two through holes in at least one of the first and second substrate, sealing one end of each of the at least two holes with a flexible transparent membrane, and sandwiching a liquid in a chamber formed between the first and second substrate.

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