Title:
IMAGING LENS, CAMERA MODULE AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/128064
Kind Code:
A1
Abstract:
An imaging lens (21) includes a front group optical system (31) disposed on an object side; and a rear group optical system (32) disposed on an imaging surface side, wherein the front group optical system (31) includes at least one lens having a negative refractive power and at least one lens having a positive refractive power, the rear group optical system (32) includes an aperture stop (4) and at least one lens having a negative refractive power, a lens positioned in the most object side in the front group optical system (31) is a lens having a negative refractive power and functioning as a lens protection filter, and a lens positioned in the most imaging surface side in the rear group optical system (32) has an aspheric shape having an inflection point on a surface of the imaging surface side.
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Inventors:
KATSURAGI DAIGO (JP)
Application Number:
PCT/CN2019/128326
Publication Date:
July 01, 2021
Filing Date:
December 25, 2019
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
G02B13/00
Foreign References:
| CN106468815A | 2017-03-01 | |||
| US20190049698A1 | 2019-02-14 | |||
| US20190049698A1 | 2019-02-14 | |||
| CN106997085A | 2017-08-01 | |||
| CN207123647U | 2018-03-20 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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