Title:
OPTICAL SYSTEM AND CAMERA MODULE
Document Type and Number:
WIPO Patent Application WO/2024/049285
Kind Code:
A1
Abstract:
An optical system disclosed in an embodiment of the invention comprises: an image sensor; and first to fourth lenses aligned along an optical axis from an object toward the image sensor, wherein the first lens has a positive power, the second lens has a negative power, the third lens has a positive power, at least two of the first to fourth lenses are plastic lenses, the refractive index of the first lens is greater than or equal to 1.7, and an object-side surface and a sensor-side surface of the lens, which is closest to the image sensor, from among the first to fourth lenses can include a critical point between the optical axis and an edge.
Inventors:
SHIM JU YONG (KR)
SON CHANG GYUN (KR)
SON CHANG GYUN (KR)
Application Number:
PCT/KR2023/013185
Publication Date:
March 07, 2024
Filing Date:
September 04, 2023
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B13/00; G02B1/04; G02B3/00; G02B9/34
Foreign References:
| KR100859037B1 | 2008-09-17 | |||
| KR20190058033A | 2019-05-29 | |||
| KR20160038266A | 2016-04-07 | |||
| KR20130119307A | 2013-10-31 | |||
| KR20220093955A | 2022-07-05 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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