Title:
OPTICAL SYSTEM, IMAGE CAPTURE MODULE, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/283871
Kind Code:
A1
Abstract:
An optical system (100), comprising: a first lens (L1) having positive refractive power, an object side surface (S1) being convex, and an image side surface (S2) being concave; a second lens (L2) having negative refractive power, an object side surface (S3) being convex, and an image side surface (S4) being concave; a third lens (L3), a fourth lens (L4), a fifth lens (L5), and a sixth lens (L6), which have refractive power; a seventh lens (L7) having refractive power, an image side surface (S14) being concave; an eighth lens (L8) having positive refractive power, an object side surface (S15) being convex; and a ninth lens (L9) having negative refractive power, an image side surface (S18) being concave. The optical system (100) satisfies: 1.35 ≤ TTL/ImgH ≤ 1.41; TTL is the total optical length and ImgH is half the image height.
Inventors:
YANG JIAN (CN)
HUA LU (CN)
LI MING (CN)
HUA LU (CN)
LI MING (CN)
Application Number:
PCT/CN2021/106442
Publication Date:
January 19, 2023
Filing Date:
July 15, 2021
Export Citation:
Assignee:
OFILM GROUP CO LTD (CN)
JIANGXI JINGCHAO OPTICAL CO LTD (CN)
JIANGXI JINGCHAO OPTICAL CO LTD (CN)
International Classes:
G02B9/64; G02B13/18; G02B13/00
Foreign References:
| CN111766687A | 2020-10-13 | |||
| CN111812811A | 2020-10-23 | |||
| CN111812809A | 2020-10-23 | |||
| CN113552696A | 2021-10-26 | |||
| US20050230599A1 | 2005-10-20 | |||
| CN212515181U | 2021-02-09 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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