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Patent Searching and Data


Title:
OPTICAL LENS AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/017650
Kind Code:
A1
Abstract:
Disclosed are an optical lens and imaging device. The optical lens successively comprises from the object side to the image side along the optical axis: a first lens having a positive focal power, the object side surface of the first lens being convex; a second lens having a focal power; a third lens having a focal power; a fourth lens having a focal power; a fifth lens having a positive focal power, the object side surface of the fifth lens being convex at the paraxial position, and the image side surface being concave at the paraxial position; a diaphragm disposed between the second lens and the third lens; and a filter disposed between the fifth lens and an imaging plane, wherein the optical lens satisfies a conditional expression of -1

Inventors:
ZHANG TIAN (CN)
LIU XUMING (CN)
ZENG HAOJIE (CN)
ZENG JIYONG (CN)
Application Number:
PCT/CN2020/095106
Publication Date:
February 04, 2021
Filing Date:
June 09, 2020
Export Citation:
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Assignee:
JIANGXI LIANYI OPTICS CO LTD (CN)
International Classes:
G02B13/00; G03B9/02
Domestic Patent References:
WO2016158886A12016-10-06
Foreign References:
CN110231702A2019-09-13
CN204188872U2015-03-04
CN204536635U2015-08-05
CN204143050U2015-02-04
Attorney, Agent or Firm:
SHENZHEN ZHIQUAN INTELLECTUAL PROPERTY OFFICE (CN)
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