Title:
OPTICAL SYSTEM AND CAMERA MODULE
Document Type and Number:
WIPO Patent Application WO/2023/163511
Kind Code:
A1
Abstract:
An optical system disclosed in an embodiment of the present invention may comprise: an image sensor; and first to seventh lenses arranged along an optical axis from an object side toward a sensor side, wherein: the first lens has negative refractive power; the second to seventh lenses have positive combined refractive power; at least one of the sixth and seventh lenses is made of a plastic material; each of the first to seventh lenses has an object-side surface and a sensor-side surface; and the difference between the effective diameters of the object-side and sensor-side surfaces of the fifth lens is greatest among the differences between the effective diameters of the respective object-side and sensor-side surfaces of the first to seventh lenses.
Inventors:
SHIM JU YOUNG (KR)
Application Number:
PCT/KR2023/002552
Publication Date:
August 31, 2023
Filing Date:
February 22, 2023
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B9/64; G02B13/00; G02B13/18; G03B17/12; H04N23/55
Foreign References:
| KR20180070870A | 2018-06-27 | |||
| KR20160107437A | 2016-09-19 | |||
| KR20210151332A | 2021-12-14 | |||
| KR20150141277A | 2015-12-18 | |||
| US20210181463A1 | 2021-06-17 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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