Near infrared lens assembly

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United States of America Patent

PATENT NO 9904039
SERIAL NO

14568236

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Abstract

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A near infrared lens assembly includes a first lens, a second lens, a third lens and a fourth lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is with positive refractive power and includes a convex surface facing the object side. The second lens is a meniscus lens and includes a convex surface facing the object side and a concave surface facing the image side. The third lens is a meniscus lens and includes a concave surface facing the object side and a convex surface facing the image side. The fourth lens is with negative refractive power and includes a concave surface facing the object side.

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Patent Owner(s)

Patent OwnerAddress
ASIA OPTICAL INTERNATIONAL LTDP O BOX 3151 ROAD TOWN TORTOLA
SINTAI OPTICAL (SHENZHEN) CO LTD518000 BUILDINGS 1 2 4 AND 5 QIWEI INDUSTRIAL PARK LISONGYAO INDUSTRIAL ZONE LISONGYAO COMMUNITY GONGMING OFFICE GUANGMING NEW DISTRICT SHENZHEN CITY GUANGDONG PROVINCE SHENZHEN CITY GUANGDONG PROVINCE 518000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shih, Po-Yuan Taichung, TW 27 97

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