Title:
OPTICAL IMAGING LENS
Document Type and Number:
WIPO Patent Application WO/2021/082727
Kind Code:
A1
Abstract:
Disclosed is an optical imaging lens. The optical imaging lens comprises, in sequence from an object side to an image side along an optical axis: a first lens having positive focal power, the first lens having an object side face which is a convex face and an image side face which is a concave face; a second lens having focal power; a third lens having focal power; a fourth lens having focal power; a fifth lens having focal power; a sixth lens having positive focal power; and a seventh lens having negative focal power, the seventh lens having an object side face which is a concave face and an image side face which is a concave face, wherein the maximum effective radius, DT11, of the object side face of the first lens, the maximum effective radius, DT12, of the image side face of the first lens, and a half of the length of a diagonal line, ImgH, of an effective pixel region on an imaging face of the optical imaging lens satisfy: 2.4<(DT11+DT12)/ImgH×5<2.7.
Inventors:
CHEN CHEN (CN)
ZHANG KAIYUAN (CN)
XU BIAO (CN)
DAI FUJIAN (CN)
ZHAO LIEFENG (CN)
ZHANG KAIYUAN (CN)
XU BIAO (CN)
DAI FUJIAN (CN)
ZHAO LIEFENG (CN)
Application Number:
PCT/CN2020/113226
Publication Date:
May 06, 2021
Filing Date:
September 03, 2020
Export Citation:
Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B13/00; G02B9/64; G02B11/34; G02B13/18
Foreign References:
| CN110716287A | 2020-01-21 | |||
| CN108227148A | 2018-06-29 | |||
| CN109324398A | 2019-02-12 | |||
| CN106855653A | 2017-06-16 | |||
| CN104950425A | 2015-09-30 | |||
| CN105866925A | 2016-08-17 |
Attorney, Agent or Firm:
SEA INTELLECTUAL PROPERTY LAW FIRM (CN)
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