Title:
OPTICAL SYSTEM AND CAMERA MODULE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/164196
Kind Code:
A1
Abstract:
An optical system disclosed in an embodiment of the present invention may comprise first and second lens groups successively arranged along an optical axis in a direction from an object side to a sensor and each including at least one lens, wherein: the focal length of the first lens group and the focal length of the second lens group have opposite signs to each other and satisfy -1.5 < f_2 / f_1 < 0 (where, f_1 denotes the focal length of the first lens group and f_2 denotes the focal length of the second lens group.); the clear aperture of each of the lenses included in the first and second lens groups has a smaller size than the diagonal length of an image sensor; and one of the first and second lens groups is movable in the direction of the optical axis.
Inventors:
SEO EUN SUNG (KR)
KIM JI SUNG (KR)
KIM JI SUNG (KR)
Application Number:
PCT/KR2022/001385
Publication Date:
August 04, 2022
Filing Date:
January 26, 2022
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B15/14; G02B3/00; G02B15/22; G03B13/36; G03B17/12; H04N5/225
Foreign References:
| JPH10104516A | 1998-04-24 | |||
| KR100453340B1 | 2005-05-13 | |||
| JP2822541B2 | 1998-11-11 | |||
| JP2011138047A | 2011-07-14 | |||
| US5790318A | 1998-08-04 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
Download PDF: