Title:
OPTICAL SYSTEM, CAMERA MODULE, AND TERMINAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/072669
Kind Code:
A1
Abstract:
An optical system (100). The optical system (100) sequentially comprises from an object side to an image side: a first lens (L1) having positive refractive power, both an object side surface (S1) and an image side surface (S2) of the first lens (L1) being convex surfaces; a second lens (L2) having negative refractive power, both an object side surface (S3) and an image side surface (S4) of the second lens (L2) being concave surfaces; a third lens (L3) having negative refractive power; a fourth lens (L4) having negative refractive power; a fifth lens (L5) having negative refractive power; and a sixth lens (L6) having positive refractive power.
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Inventors:
TSAI HSIUNG-YU (CN)
SHEU JER-YUAN (CN)
LI KANG-HSI (CN)
TAN CHIH-WEI (CN)
SHEU JER-YUAN (CN)
LI KANG-HSI (CN)
TAN CHIH-WEI (CN)
Application Number:
PCT/CN2019/111417
Publication Date:
April 22, 2021
Filing Date:
October 16, 2019
Export Citation:
Assignee:
NANCHANG O FILM OPTICAL ELECTRONIC TECH CO LTD (CN)
International Classes:
G02B13/00; G02B13/18
Foreign References:
| CN107765393A | 2018-03-06 | |||
| CN109491059A | 2019-03-19 | |||
| CN109375342A | 2019-02-22 | |||
| US20190101730A1 | 2019-04-04 | |||
| US20190302426A1 | 2019-10-03 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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