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Patent Searching and Data


Title:
LENS GROUP FOR OPTICAL LENS, OPTICAL LENS AND CAMERA DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/168741
Kind Code:
A1
Abstract:
A lens group (10) for an optical lens, an optical lens, and a camera device. The lens group (10) for the optical lens comprises: a plurality of lenses (100) arranged along the direction from the object side to the image side, wherein each lens (100) has a bolstering surface (101), adjacent lenses (100) bolster each other by means of their respective bolstering surfaces, and a cavity (102) is formed between the adjacent lenses (100). The bolstering surface (101) of at least one lens (100) among the adjacent lenses (100) is provided with an exhaust groove (130), the exhaust groove (130) connects the cavity (102) formed between the adjacent lenses (100) with the outside, and a groove bottom (131) of the exhaust groove (130) is configured to be non-planar.

Inventors:
WANG LIQING (CN)
ZOU HAIRONG (CN)
WU JUNFU (CN)
Application Number:
PCT/CN2020/076988
Publication Date:
September 02, 2021
Filing Date:
February 27, 2020
Export Citation:
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Assignee:
NANCHANG OUFEI PREC OPTICAL PRODUCT CO LTD (CN)
International Classes:
G02B7/02; G02B3/00; G02B7/00; G03B17/12; G03B19/07
Foreign References:
CN208044170U2018-11-02
CN203444154U2014-02-19
CN106324949A2017-01-11
CN105842812A2016-08-10
CN110554473A2019-12-10
JP6262962B22018-01-17
US20050219717A12005-10-06
Attorney, Agent or Firm:
JW&PARTNERS (CN)
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