US Patent 9019617 Plastic lens
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Patent abstract
A plastic lens includes a first surface and a second surface. The second surface is opposite to the first surface. At least one of the first surface and the second surface includes an optically effective portion and an outer portion. The outer portion surrounds the optically effective portion. The outer portion includes a rugged region and an abutting region. The rugged region has a plurality of protrusions thereon. The abutting region is disposed farther from a center of the plastic lens than the rugged region.
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Patent Inventor Names
Tsung-Hsien Tsai0
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US Patent 09019617 Plastic lens US Patent 9019617 Plastic lens
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Patent Number
090196170
Patent Number
90196170
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Patent Jurisdiction
Patent Number
090196170
Date of Patent
April 28, 2015
0Patent Application Number
139382500
Date Filed
July 10, 2013
0Official Website
Patent Primary Examiner
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US Patent 09019617 Plastic lens
Infobox
Is a
Patent jurisdiction
Patent number
09019617
Date of patent
April 28, 2015
Patent application number
13938250
Date Filed
July 10, 2013
Patent primary examiner
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