Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chun-Che Hsueh0
Hsin-Hsuan Huang0
Date of Patent
March 26, 2024
0Patent Application Number
181208420
Date Filed
March 13, 2023
0Patent Citations
...
Patent Primary Examiner
CPC Code
Patent abstract
A lens system includes four lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element and a fourth lens element. Each of the four lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the object-side surface and the image-side surface of the first lens element has at least one inflection point. The fourth lens element has positive refractive power, the object-side surface of the fourth lens element is convex in a paraxial region thereof, and at least one of the object-side surface and the image-side surface of the fourth lens element has at least one inflection point.
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