Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 8, 2015
Patent Application Number
13527315
Date Filed
June 19, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
An optical lens includes a lens member and two shade layers on opposite sides of the lens member. The lens member respectively has a lens portion on each side thereof. Each shade layer has an aperture above the corresponding lens portion of the lens member to serve the function of aperture. A method uses optical lithography technique to make such optical lens in a fast way, and the shade layers will have a strong bonding strength with the lens member.
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