Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
George Michael Mihalakis0
Ronald Maynard0
Michael West Wiemer0
Brian Elliot Lemoff0
Gregory David Miller0
Date of Patent
July 16, 2019
0Patent Application Number
160589730
Date Filed
August 8, 2018
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A variety of femtoprojector optical systems are described. Each of them can be made small enough to fit in a contact lens using plastic injection molding, diamond turning, photolithography and etching, or other techniques. Most, but not all, of the systems include a solid cylindrical transparent substrate with a curved primary mirror formed on one end and a secondary mirror formed on the other end. Any of the designs may use light blocking, light-redirecting, absorbing coatings or other types of baffle structures as needed to reduce stray light.
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