Title:
OPTICAL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/139473
Kind Code:
A1
Abstract:
An optical system disclosed in an embodiment may comprise a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, and a ninth lens successively arranged along an optical axis in a direction from an object side to an image side, wherein: the object-side surface of the first lens is convex; the second lens has positive refractive power and the object-side surface of the second lens is convex; the third lens has negative refractive power and the image-side surface of the third lens is concave; the eighth lens has positive refractive power and at least one of the object-side surface and image-side surface of the eighth lens has at least one inflection point; and the ninth lens has negative refractive power and the object-side surface and image-side surface of the ninth lens each have at least one inflection point.
Inventors:
KWON DUK KEUN (KR)
Application Number:
PCT/KR2021/019638
Publication Date:
June 30, 2022
Filing Date:
December 22, 2021
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B13/00; G02B3/00; G02B9/64
Foreign References:
| CN112014953A | 2020-12-01 | |||
| CN212009117U | 2020-11-24 | |||
| CN111929852A | 2020-11-13 | |||
| JP2020064173A | 2020-04-23 | |||
| JP2020126183A | 2020-08-20 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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