Title:
OPTICAL SYSTEM, CAMERA MODULE, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/204923
Kind Code:
A1
Abstract:
An optical system (100), a camera module (200), and an electronic device (300). The optical system (100) comprises: a first lens (L1) having positive refractive power, an object side surface (S1) being a convex surface and an image side surface (S2) being a concave surface; a second lens (L2) having refractive power, an object side surface (S3) being a convex surface and an image side surface (S4) being a concave surface; a third lens (L3) having refractive power; a fourth lens (L4) having refractive power, an image side surface (S8) being a concave surface; a fifth lens (L5) having refractive power, an object side surface (S9) being a concave surface; a sixth lens (L6) having refractive power, an image side surface (S12) being a concave surface; a seventh lens (L7) having positive refractive power; and an eighth lens (L8) having negative refractive power, an image side surface (S16) being a concave surface in a paraxial region. The optical system satisfies the following condition: 2.5 mm≤ImgH2/(TTL*FNO)≤2.53 mm.
Inventors:
XU BIAO (CN)
LI MING (CN)
SONG QI (CN)
LI MING (CN)
SONG QI (CN)
Application Number:
PCT/CN2021/083858
Publication Date:
October 06, 2022
Filing Date:
March 30, 2021
Export Citation:
Assignee:
OFILM GROUP CO LTD (CN)
JIANGXI JINGCHAO OPTICAL CO LTD (CN)
JIANGXI JINGCHAO OPTICAL CO LTD (CN)
International Classes:
G02B13/18; G02B9/64
Foreign References:
| CN112180562A | 2021-01-05 | |||
| CN112394490A | 2021-02-23 | |||
| CN111929815A | 2020-11-13 | |||
| CN111522125A | 2020-08-11 | |||
| CN112394488A | 2021-02-23 | |||
| KR20100124641A | 2010-11-29 | |||
| CN112987258A | 2021-06-18 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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