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1. WO2020140499 - CAMERA OPTICAL LENS

Publication Number WO/2020/140499
Publication Date 09.07.2020
International Application No. PCT/CN2019/108701
International Filing Date 27.09.2019
IPC
G02B 13/18 2006.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
13Optical objectives specially designed for the purposes specified below
18with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
CPC
G02B 13/004
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
13Optical objectives specially designed for the purposes specified below
001Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
0015characterised by the lens design
002having at least one aspherical surface
004having four lenses
G02B 27/0012
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
0012Optical design, e.g. procedures, algorithms, optimisation routines
G02B 9/34
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
9Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
34having four components only
Applicants
  • 诚瑞光学(常州)股份有限公司 AAC Optics (Changzhou) Co., Ltd. [CN]/[CN]
Inventors
  • 赵效楠 ZHAO, Xiaonan
  • 寺岡弘之 TERAOKA, Hiroyuki
Agents
  • 广州市越秀区哲力专利商标事务所(普通合伙) GUANGZHOU YUEXIU JILY PATENT & TRADEMARK LAW OFFICE
Priority Data
201811650595.X31.12.2018CN
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) CAMERA OPTICAL LENS
(FR) OBJECTIF PHOTOGRAPHIQUE
(ZH) 摄像光学镜头
Abstract
(EN) A camera optical lens (10). The camera optical lens (10), sequentially comprising from an object side to an image side: an aperture (S1), a first lens (L1) having a positive refractive power, a second lens (L2) having a negative refractive power, a third lens (L3) having the positive refractive power and a fourth lens (L4) having the negative refractive power, wherein the focal length of the fourth lens (L4) is f4, the radius of curvature of the first lens (L1) at the object side is R1, the radius of curvature of the first lens (L1) at the image side is R2, the radius of curvature of the second lens (L2) at the object side is R3, the radius of curvature of the second lens (L2) at the image side is R4, the radius of curvature of the fourth lens (L4) at the object side is R7, and the following relationships are satisfied: 62.00
(FR) Objectif photographique (10). Objectif photographique (10), comprenant dans l'ordre du côté objet au côté image : une ouverture (S1), une première lentille (L1) ayant une réfringence positive, une deuxième lentille (L2) ayant une réfringence négative, une troisième lentille (L3) ayant une réfringence positive et une quatrième lentille (L4) ayant une réfringence négative, la longueur focale de la quatrième lentille (L4) étant f4, le rayon de courbure de la première lentille (L1) côté objet étant R1, le rayon de courbure de la première lentille (L1) côté image étant R2, le rayon de courbure de la seconde lentille (L2) côté objet étant R3, le rayon de courbure de la seconde lentille (L2) côté image étant R4, le rayon de courbure de la quatrième lentille (L4) côté objet étant R7, et les relations suivantes sont satisfaites : 62,00
(ZH) 一种摄像光学镜头(10)。该摄像光学镜头(10),由物侧至像侧依序包括:一光圈(S1),一具有正屈折力的第一透镜(L1),一具有负屈折力的第二透镜(L2),一具有正屈折力的第三透镜(L3),一具有负屈折力的第四透镜(L4);第四透镜(L4)的焦距为f4,第一透镜(L1)物侧面的曲率半径为R1,第一透镜(L1)像侧面的曲率半径为R2,第二透镜(L2)物侧面的曲率半径为R3,第二透镜(L2)像侧面的曲率半径为R4,第四透镜(L4)物侧面的曲率半径为R7,满足下列关系式:62.00
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