Title:
OPTICAL SYSTEM AND CAMERA MODULE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/224417
Kind Code:
A1
Abstract:
The disclosed optical system according to an embodiment of the invention may comprise first to seventh lenses arranged along an optical axis from the side of an object to the side of a sensor, wherein: the first lens has a convex object-side surface; at least one of the object-side surface and the sensor-side surface of the sixth lens has one critical point; each of the object-side surface and the sensor-side surface of the seventh lens has a critical point; at least one of the object-side surface and the sensor-side surface of the seventh lens has a free curved surface shape in which a lens surface perpendicular to the optical axis in a first direction and a lens surface perpendicular to the optical axis in a second direction are asymmetric to each other; and opposite lens surfaces of the free curved surface in the first direction with reference to the optical axis have shapes symmetric to each other, and opposite lens surfaces thereof in the second direction with reference to the optical axis have shapes symmetric to each other.
Inventors:
KWON DUK KEUN (KR)
Application Number:
PCT/KR2023/006803
Publication Date:
November 23, 2023
Filing Date:
May 18, 2023
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B13/00; G02B9/64; G02B13/18; G03B17/12; H04N23/55
Foreign References:
| CN109407280A | 2019-03-01 | |||
| CN209624884U | 2019-11-12 | |||
| JP2017049347A | 2017-03-09 | |||
| CN110824664A | 2020-02-21 | |||
| US20220026674A1 | 2022-01-27 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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