Title:
LENS AND PHOTOGRAPHING TERMINAL HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2022/165642
Kind Code:
A1
Abstract:
A lens (100) and a photographing terminal having same. The lens (100) comprises: a lens body, wherein the outer peripheral wall of an object side end (2) of the lens body is provided with a plurality of extinction step sections (4); the extinction step sections (4) are provided around the object side end (2); the plurality of extinction step sections (4) are sequentially distributed in the axial direction of the object side end; the outer diameters of the plurality of extinction step sections (4) are configured to be gradually increased from the object side end (2) to an image side end (3) of the lens body; each extinction step section (4) is provided with a plurality of extinction wall surfaces (5); and the outer diameters of the plurality of extinction wall surfaces (5) are sequentially increased from the object side end (2) to the image side end (3) of the lens (100). The extinction step sections (4) are provided on the object side end (2) of the lens (100), such that light is further dispersed when irradiating the object side end (2), thereby achieving the objective of weakening or eradicating stray light.
Inventors:
HU DEZHONG (CN)
Application Number:
PCT/CN2021/074909
Publication Date:
August 11, 2022
Filing Date:
February 02, 2021
Export Citation:
Assignee:
OFILM GROUP CO LTD (CN)
JIANGXI JINGCHAO OPTICAL CO LTD (CN)
JIANGXI JINGCHAO OPTICAL CO LTD (CN)
International Classes:
G02B3/00; G02B1/04; G02B1/118; G02B7/00; G02B7/02; G02B17/02; G02B27/00
Foreign References:
| CN211149028U | 2020-07-31 | |||
| CN210427911U | 2020-04-28 | |||
| CN111897081A | 2020-11-06 | |||
| CN110426760A | 2019-11-08 | |||
| CN109283613A | 2019-01-29 | |||
| CN206523682U | 2017-09-26 | |||
| CN209823808U | 2019-12-20 | |||
| CN108181683A | 2018-06-19 | |||
| JP2007148307A | 2007-06-14 | |||
| US20200233173A1 | 2020-07-23 |
Attorney, Agent or Firm:
ZHIFAN & PARTNERS (CN)
Download PDF:
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