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Patent Searching and Data


Title:
OPTICAL IMAGING LENS
Document Type and Number:
WIPO Patent Application WO/2019/052220
Kind Code:
A1
Abstract:
Disclosed in the present application is an optical imaging lens. The optical imaging lens comprises, from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens in sequence. The first lens has positive optical power, the object side surface thereof is a convex surface, and the image side surface thereof is a concave surface; the second lens has negative optical power, the object side surface thereof is a convex surface, and the image side surface is a concave surface; the third lens has positive or negative optical power; the fourth lens has positive or negative optical power, and the object side surface thereof is a concave surface; the fifth lens has positive or negative optical power; the sixth lens has positive or negative optical power; the seventh lens has negative optical power, the object side surface is a concave surface, and the image side surface is a concave surface; the total effective focal length f of the optical imaging lens and the entrance pupil diameter (EPD) of the optical imaging lens satisfy f/EPD≤1.70.

Inventors:
SONG BO (CN)
WENREN JIANKE (CN)
ZHANG KAIYUAN (CN)
HU YABIN (CN)
Application Number:
PCT/CN2018/088686
Publication Date:
March 21, 2019
Filing Date:
May 28, 2018
Export Citation:
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Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B13/00
Foreign References:
CN107367827A2017-11-21
CN207123646U2018-03-20
CN106896476A2017-06-27
CN106896478A2017-06-27
CN106908932A2017-06-30
CN104597582A2015-05-06
CN106896475A2017-06-27
CN106154513A2016-11-23
CN204832662U2015-12-02
CN202886720U2013-04-17
US20140139931A12014-05-22
Attorney, Agent or Firm:
INSIGHT INTELLECTUAL PROPERTY LIMITED (CN)
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