Title:
OPTICAL SYSTEM AND CAMERA DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2024/072072
Kind Code:
A1
Abstract:
An optical system according to an embodiment of the present invention comprises first to nth lenses and an image sensor arranged sequentially from an object side to an image side, wherein the first lens has positive power and has the smallest effective area diameter or greatest thickness among the first to nth lenses, the first to (n-1)th lenses have positive composite power, the nth lens has negative power, at least one of the object-side surface and the image-side surface of the nth lens includes a critical point at which the tilt angle is 0, the sag values of the critical point of the X axis, the critical point of the Y axis, and the critical point of one direction between the X axis and the Y axis of the at least one of the object-side surface and the image-side surface of the nth lens are different from each other, the X axis is perpendicular to the optical axis and parallel to one side of the image sensor, the Y axis is perpendicular to the optical axis and the X axis, and n is an integer of 6 or more.
Inventors:
SHIM JU YONG (KR)
Application Number:
PCT/KR2023/014971
Publication Date:
April 04, 2024
Filing Date:
September 27, 2023
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B13/00; G02B3/00; G02B9/62
Foreign References:
| KR20220048335A | 2022-04-19 | |||
| KR20220075833A | 2022-06-08 | |||
| KR20200017404A | 2020-02-18 | |||
| JP2021135495A | 2021-09-13 | |||
| US20200110245A1 | 2020-04-09 |
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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