Title:
LENS BARREL, CAMERA MODULE, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/226795
Kind Code:
A1
Abstract:
A lens barrel (100), a camera module (20), and an electronic device (30). A chamber wall (1022) of the lens barrel (100) is provided with a plurality of light extinction grooves (110). The light extinction grooves (110) are used to reduce stray light. The plurality of light extinction grooves (110) are arranged at intervals along the circumferential direction of the lens barrel (100). The groove surfaces of the light extinction groove (110) comprise a first side surface (1101), a second side surface (1102) and a bottom surface (1100), the bottom surface (1100) facing towards a central axis (1002) of the lens barrel (100), one end of the bottom surface (1100) being connected to the first side surface (1101), the other opposite end being connected to the second side surface (1102), and the bottom surface (1100) having an inclined relationship with at least one of the first side surface (1101) and the second side surface (1102).
Inventors:
HU DEZHONG (CN)
WU JUNFU (CN)
ZOU HAIRONG (CN)
WU JUNFU (CN)
ZOU HAIRONG (CN)
Application Number:
PCT/CN2020/089629
Publication Date:
November 18, 2021
Filing Date:
May 11, 2020
Export Citation:
Assignee:
NANCHANG OUFEI PREC OPTICAL PRODUCT CO LTD (CN)
International Classes:
G02B7/02; G03B11/04; G03B15/06
Foreign References:
| CN111948775A | 2020-11-17 | |||
| CN210348028U | 2020-04-17 | |||
| CN205103485U | 2016-03-23 | |||
| CN205899116U | 2017-01-18 | |||
| CN210090790U | 2020-02-18 | |||
| JP2009025584A | 2009-02-05 | |||
| KR20200049742A | 2020-05-08 | |||
| JP2010276841A | 2010-12-09 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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