Title:
OPTICAL CAMERA SYSTEM AND OPTICAL CAMERA DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/183508
Kind Code:
A1
Abstract:
An optical system (10), having: a first lens (11), wherein the first lens (11) has a negative dioptre, and an image-side surface (11b) of the first lens (11) is a concave surface; a second lens (12), wherein the second lens (12) has a negative dioptre, and an image-side surface (12b) of the second lens (12) is a concave surface; a third lens (13), wherein the third lens (13) has a positive dioptre, and an image-side surface (13b) of the third lens (13) is a concave surface; a fourth lens (14), wherein the fourth lens (14) has a positive dioptre, and an image-side surface (14b) of the fourth lens (14) is a convex surface; a fifth lens (15), wherein the fifth lens (15) has a positive dioptre, an object-side surface (15a) of the fifth lens (15) is a concave surface, and an image-side surface (15b) thereof is a convex surface; a sixth lens (16), wherein the sixth lens (16) has a negative dioptre, an object-side surface (16a) of the sixth lens (16) is a concave surface, and an image-side surface (16b) thereof is a convex surface; a seventh lens (17), wherein the seventh lens (17) has a positive dioptre, an object-side surface (17a) of the seventh lens (17) is an aspheric surface that has a convex surface at the central portion and has at least one inflection point on the peripheral portion of the central portion, and an image-side surface (17b) of the seventh lens (17) is a convex surface; and an eighth lens (18), wherein an object-side surface (18a) of the eighth lens (18) is a concave surface, and an image-side surface (18b) of the eighth lens (18) is an aspheric surface that has a concave surface at the central portion and has at least one inflection point on the peripheral portion of the central portion.
Inventors:
ARITA SHINICHI (JP)
HOU XIANCHANG (CN)
HOU XIANCHANG (CN)
Application Number:
PCT/CN2021/079394
Publication Date:
September 09, 2022
Filing Date:
March 05, 2021
Export Citation:
Assignee:
BEIJING XIAOMI MOBILE SOFTWARE CO LTD (CN)
International Classes:
G02B13/06; G02B13/00
Foreign References:
| CN107015348A | 2017-08-04 | |||
| CN112305725A | 2021-02-02 | |||
| CN107678140A | 2018-02-09 | |||
| CN209433111U | 2019-09-24 | |||
| CN111007621A | 2020-04-14 | |||
| CN109683282A | 2019-04-26 | |||
| CN102466860A | 2012-05-23 | |||
| JP2017142363A | 2017-08-17 | |||
| CN107577031A | 2018-01-12 | |||
| CN107305274A | 2017-10-31 | |||
| CN108732716A | 2018-11-02 | |||
| CN107957621A | 2018-04-24 |
Other References:
See also references of EP 4109164A4
Attorney, Agent or Firm:
FASHENG INTELLECTUAL PROPERTY COMPANY, LTD. (CN)
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