Title:
OPTICAL SYSTEM AND CAMERA MODULE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/224441
Kind Code:
A1
Abstract:
An optical system disclosed in one embodiment of the invention comprises first to tenth lenses arranged along an optical axis in the direction from an object side toward a sensor side, wherein the first lens has positive (+) refractive power at the optical axis and has an object side with a protruding shape, the refractive index (n3) of the third lens and the refractive index (n4) of the fourth lens satisfy the mathematical formula of 1 < n3/n4 < 1.5, the number of meniscus-shaped lenses protruding from the optical axis (OA) toward the object side from among the first to tenth lenses is 4 or more, the sensor side of the ninth lens has a critical point, the object side of the tenth lens has a critical point, the critical point of the object side of the tenth lens can be arranged to be more adjacent than the critical point of the sensor side of the ninth lens to the optical axis.
Inventors:
SIN DOO SHIK (KR)
Application Number:
PCT/KR2023/006934
Publication Date:
November 23, 2023
Filing Date:
May 22, 2023
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B13/00; G02B9/64; G02B13/18; G03B17/12; H04N23/55
Foreign References:
| US20220137339A1 | 2022-05-05 | |||
| US20210389575A1 | 2021-12-16 | |||
| KR20210062432A | 2021-05-31 | |||
| CN114355567A | 2022-04-15 | |||
| CN114326028A | 2022-04-12 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
Download PDF: