Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yong Joo Jo0
Tae Youn Lee0
Date of Patent
May 28, 2019
0Patent Application Number
154683120
Date Filed
March 24, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An optical imaging system includes lenses sequentially disposed from an object side toward an imaging plane. A stop is disposed between a third lens and a fourth lens. An object-side surface of the third lens may be concave, and a ratio TL/f of a distance TL from an object-side surface of a first lens to an imaging plane with respect to an overall focal length f may be greater than 0.7 and less than 1.0.
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