Image lens assembly system

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United States of America Patent

PATENT NO RE46710
SERIAL NO

15076680

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Abstract

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An image lens assembly system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with negative refractive power has a convex object-side surface. The second lens element has positive refractive power. The third lens element has refractive power. The fourth lens element has refractive power. The fifth lens element has refractive power. The sixth lens element with refractive power is made of plastic material, wherein at least one surface of the sixth lens element is aspheric. The seventh lens element with refractive power made of plastic material has a concave image-side surface changing from concave in a paraxial region to convex in a peripheral region, and at least one surface thereof is aspheric.

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Patent Owner(s)

Patent OwnerAddress
LARGAN PRECISION CO LTDTAICHUNG CITY 408

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chou, Ming-Ta Taichung, TW 449 2416
Tsai, Tsung-Han Taichung, TW 731 6180

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