公开(公告)号：USRE47014E1

公开(公告)日：2018-08-28

申请号：US15260650

申请日：2016-09-09

Applicant: OPTICAL LOGIC INC. ,  KANTATSU CO., LTD.

Inventor： Yoji Kubota ,  Ichiro Kurihara

IPC: G02B9/60 ,  G02B13/04 ,  G02B13/00

CPC classification number: G02B13/0045

Abstract: An imaging lens includes, in this order from an object side, an aperture stop ST, a positive first lens L1, a negative second lens L2 having a meniscus shape that directs a convex surface on the object side near an optical axis, a positive third lens L3, a positive fourth lens L4 having a meniscus shape that directs a concave surface on the object side near an optical axis, and a negative fifth lens L5 having a meniscus shape that directs a convex surface on the object side near an optical axis.

公开(公告)号：US09885854B2

公开(公告)日：2018-02-06

申请号：US15430644

申请日：2017-02-13

Applicant: OPTICAL LOGIC INC. ,  KANTATSU CO., LTD.

Inventor： Yoji Kubota ,  Kenichi Kubota ,  Hitoshi Hirano ,  Hisao Fukaya

IPC: G02B3/02 ,  G02B13/18 ,  G02B13/00 ,  G02B9/62 ,  G02B27/00 ,  G02B5/00

CPC classification number: G02B13/0045 ,  G02B5/005 ,  G02B9/62 ,  G02B13/001 ,  G02B13/002 ,  G02B13/18 ,  G02B27/0025

Abstract: An imaging lens includes a first lens group and a second lens group, arranged in this order from an object side to an image plane side. The first lens group includes a first lens having positive refractive power, a second lens having positive refractive power and at least one aspheric surface, and a third lens having two aspheric surfaces, arranged with a space in between. The second lens group includes a fourth lens having two aspheric surfaces, a fifth lens having negative refractive power and two aspheric surfaces, and a sixth lens having two aspheric surfaces, arranged with a space in between. The third lens is arranged away from the fourth lens by a specific distance, and the fifth lens and the sixth lens have a specific composite focal length, so that specific conditional expressions are satisfied.

公开(公告)号：US09448386B2

公开(公告)日：2016-09-20

申请号：US14501225

申请日：2014-09-30

Applicant: OPTICAL LOGIC INC. ,  KANTATSU CO., LTD.

Inventor： Yoji Kubota ,  Kenichi Kubota ,  Hitoshi Hirano ,  Tomohiro Yonezawa

IPC: G02B9/64 ,  G02B13/00

CPC classification number: G02B13/0045 ,  G02B5/005 ,  G02B9/64 ,  G02B27/0025

Abstract: An imaging lens includes a first lens group having positive refractive power; a second lens group having negative refractive power; and a third lens group having negative refractive power, arranged in this order from an object side to an image plane side. The first lens group includes a first lens having positive refractive power, a second lens having negative refractive power, and a third lens having positive refractive power. The second lens group includes a fourth lens and a fifth lens. The third lens group includes a sixth lens having positive refractive power and a seventh lens having negative refractive power. The first to third lenses and the sixth to seventh lenses have specific Abbe's numbers.

Abstract translation: 成像透镜包括具有正折射光焦度的第一透镜组; 具有负屈光力的第二透镜组; 以及具有负屈光力的第三透镜组，从物体侧到像面侧依次排列。 第一透镜组包括具有正屈光力的第一透镜，具有负折射光焦度的第二透镜和具有正屈光力的第三透镜。 第二透镜组包括第四透镜和第五透镜。 第三透镜组包括具有正折光力的第六透镜和具有负屈光力的第七透镜。 第一至第三透镜和第六至第七透镜具有特定的阿贝数。

公开(公告)号：US09341822B2

公开(公告)日：2016-05-17

申请号：US14568173

申请日：2014-12-12

Applicant: OPTICAL LOGIC INC. ,  KANTATSU CO., LTD.

Inventor： Yoji Kubota ,  Kenichi Kubota ,  Hitoshi Hirano ,  Hisao Fukaya

IPC: G02B13/04 ,  G02B9/62 ,  G02B13/00

CPC classification number: G02B13/0045 ,  G02B5/005 ,  G02B9/62 ,  G02B13/001 ,  G02B13/002 ,  G02B13/18 ,  G02B27/0025

Abstract: An imaging lens includes a first lens group having positive refractive power and a second lens group having negative refractive power, arranged in this order from an object side to an image plane side. The first lens group includes a first lens having positive refractive power, a second lens having positive refractive power, and a third lens having negative refractive power. The second lens group includes a fourth lens having positive refractive power, a fifth lens, and a sixth lens having negative refractive power. The first lens has a specific focal length. The first to third lenses have specific Abbe's numbers.

Abstract translation: 成像透镜包括具有正折光力的第一透镜组和具有负屈光力的第二透镜组，从物体侧到像面侧依次布置。 第一透镜组包括具有正折光力的第一透镜，具有正屈光力的第二透镜和具有负折光力的第三透镜。 第二透镜组包括具有正折光力的第四透镜，第五透镜和具有负屈光力的第六透镜。 第一透镜具有特定的焦距。 第一至第三个镜头具有特定的阿贝数字。

公开(公告)号：US09335521B2

公开(公告)日：2016-05-10

申请号：US14559955

申请日：2014-12-04

Applicant: OPTICAL LOGIC INC. ,  KANTATSU CO., LTD.

Inventor： Yoji Kubota ,  Kenichi Kubota ,  Hitoshi Hirano ,  Ichiro Kurihara ,  Yoshio Ise ,  Tomohiro Yonezawa

IPC: G02B9/60 ,  G02B13/00

CPC classification number: G02B13/0045 ,  G02B9/60 ,  G02B27/0025

Abstract: An imaging lens includes a first lens having positive refractive power; a second lens having negative refractive power; a third lens having positive refractive power; a fourth lens having negative refractive power; and a fifth lens having object-side and image plane-side surfaces thereof being aspheric, arranged in this order from an object side to an image plane side. The first lens has a shape so that a curvature radius of a surface thereof on the object side is positive. The fifth lens has a shape so that a curvature radius of the surface thereof on the object side and a curvature radius of the surface thereof on the image plane side are positive. The second lens, the third lens, and the fourth lens are arranged so that a specific conditional expression is satisfied.

Abstract translation: 成像透镜包括具有正折光力的第一透镜; 具有负屈光力的第二透镜; 具有正折射光焦度的第三透镜; 具有负屈光力的第四透镜; 以及第五透镜，其物体侧和像面侧表面是非球面的，从物体侧到像面侧依次排列。 第一透镜具有使物体侧的表面的曲率半径为正的形状。 第五透镜具有使得物体侧的表面的曲率半径及其在像面侧的表面的曲率半径为正的形状。 第二透镜，第三透镜​​和第四透镜被布置成使得满足特定条件表达式。

公开(公告)号：US09244254B2

公开(公告)日：2016-01-26

申请号：US14308743

申请日：2014-06-19

Applicant: OPTICAL LOGIC INC. ,  KANTATSU CO., LTD.

Inventor： Yoji Kubota ,  Kenichi Kubota ,  Hitoshi Hirano ,  Ichiro Kurihara ,  Tomohiro Yonezawa

IPC: G02B9/12 ,  G02B13/00

CPC classification number: G02B13/0035

Abstract: An imaging lens includes a first lens having positive refractive power; a second lens having positive refractive power; and a third lens having positive refractive power, arranged in the order from an object side to an image plane side. The first lens and the third lens have object-side surfaces and image plane-side surfaces, curvature radii of which are both positive. When the first lens has refractive power P1, the second lens has refractive power P2, the third lens has refractive power P3, the first lens has a focal length f1, and the third lens has a focal length f3, the imaging lens satisfies the following conditional expressions: 5.0

Abstract translation: 成像透镜包括具有正折光力的第一透镜; 具有正折射光焦度的第二透镜; 以及具有正折射力的第三透镜，从物体侧到像面侧依次排列。 第一透镜和第三透镜具有物体侧表面和像面平面侧表面，曲率半径均为正。 当第一透镜具有屈光力P1时，第二透镜具有折光力P2，第三透镜​​具有折光力P3，第一透镜具有焦距f1，并且第三透镜具有焦距f3，成像透镜满足以下 条件表达式：5.0 <（P1 + P3）/ P2 <8.5 6

公开(公告)号：US09134509B2

公开(公告)日：2015-09-15

申请号：US13799271

申请日：2013-03-13

Applicant: OPTICAL LOGIC INC. ,  KANTATSU CO., LTD.

Inventor： Yoji Kubota ,  Kenichi Kubota ,  Hitoshi Hirano ,  Tomohiro Yonezawa

IPC: G02B13/18 ,  G02B3/02 ,  G02B9/34 ,  G02B13/00

CPC classification number: G02B13/004 ,  G02B9/34 ,  G02B13/18

Abstract: An imaging lens includes a first lens having negative refractive power; a stop; a second lens having positive refractive power; a third lens having negative refractive power; and a fourth lens having positive refractive power, arranged in the order from an object side to an image plane side. The first lens has an object-side surface and an image plane-side surface, curvature radii of which are both negative. The second lens has an object-side surface and an image plane-side surface, curvature radii of which are both positive. The third lens has an object-side surface and an image plane-side surface, curvature radii of which are both negative. The fourth lens has an object-side surface, a curvature of which is positive.

Abstract translation: 成像透镜包括具有负屈光力的第一透镜; 停下来 具有正折射光焦度的第二透镜; 具有负屈光力的第三透镜; 以及具有正折射力的第四透镜，从物体侧到像面侧依次排列。 第一透镜具有物体侧表面和图像平面侧表面，曲率半径均为负。 第二透镜具有物体侧表面和图像平面侧表面，曲率半径均为正。 第三透镜具有物体侧表面和图像平面侧表面，其曲率半径均为负。 第四透镜具有物体侧表面，其曲率为正。

公开(公告)号：US09036268B2

公开(公告)日：2015-05-19

申请号：US14479420

申请日：2014-09-08

Applicant: Optical Logic Inc. ,  Kantatsu Co., Ltd.

Inventor： Yoji Kubota ,  Kenichi Kubota ,  Hitoshi Hirano ,  Yoshio Ise ,  Sayuri Noda

IPC: G02B13/18 ,  G02B9/62 ,  G02B13/00

CPC classification number: G02B13/0045 ,  G02B5/005 ,  G02B9/62 ,  G02B13/0015 ,  G02B13/18 ,  G02B27/0025

Abstract: An imaging lens includes a first lens having positive refractive power; a second lens having negative refractive power; a third lens; a fourth lens having negative refractive power; a fifth lens having positive refractive power; and a sixth lens, arranged in this order from an object side to an image plane side. Each of the third lens, the fourth lens, the fifth lens, and the sixth lens has refractive power weaker than that of each of the first lens and the second lens.

Abstract translation: 成像透镜包括具有正折光力的第一透镜; 具有负屈光力的第二透镜; 第三透镜; 具有负屈光力的第四透镜; 具有正屈光力的第五透镜; 以及从物体侧到像面侧依次配置的第六透镜。 第三透镜，第四透镜，第五透镜和第六透镜中的每一个具有比第一透镜和第二透镜中的每一个更低的折光力。

公开(公告)号：US09013812B2

公开(公告)日：2015-04-21

申请号：US14181758

申请日：2014-02-17

Applicant: Optical Logic Inc.

Inventor： Yoji Kubota ,  Kenichi Kubota ,  Hitoshi Hirano

IPC: G02B13/04 ,  G02B9/04 ,  G02B13/00 ,  G02B9/34 ,  G02B9/60

CPC classification number: G02B13/04 ,  G02B9/04 ,  G02B9/34 ,  G02B9/60 ,  G02B13/003 ,  G02B13/0045

Abstract: An imaging lens includes a first lens group having negative refractive power; a stop; and a second lens group having positive refractive power, arranged in the order from the object side to the image plane side. The first lens group includes a first lens having a strong concave surface facing the image plane side and negative refractive power; and a second lens having negative refractive power and a biconcave lens shape near the optical axis. The second lens group includes a third lens having a biconvex shape; and a lens group that is composed of a lens having positive refractive power and a lens having negative refractive power, and has negative refractive power as a whole. The first lens group has a focal length F1 and the second lens group has a focal length F2 so that the following conditional expression is satisfied: −1.0

Abstract translation: 成像透镜包括具有负屈光力的第一透镜组; 停下来 以及具有正折射力的第二透镜组，从物体侧到像面侧依次排列。 第一透镜组包括具有面向像面侧的强凹面和负屈光力的第一透镜; 以及在光轴附近具有负屈光力和双凹透镜形状的第二透镜。 第二透镜组包括具有双凸形状的第三透镜; 以及透镜组，其由具有正折光力的透镜和具有负屈光力的透镜组成，并且整体具有负折射光焦度。 第一透镜组具有焦距F1，第二透镜组具有焦距F2，使得满足以下条件表达式：-1.0

公开(公告)号：US20140160582A1

公开(公告)日：2014-06-12

申请号：US14181758

申请日：2014-02-17

Applicant: OPTICAL LOGIC INC.

Inventor： Yoji KUBOTA ,  Kenichi KUBOTA ,  Hitoshi HIRANO

IPC: G02B13/04

CPC classification number: G02B13/04 ,  G02B9/04 ,  G02B9/34 ,  G02B9/60 ,  G02B13/003 ,  G02B13/0045

Abstract: An imaging lens includes a first lens group having negative refractive power; a stop; and a second lens group having positive refractive power, arranged in the order from the object side to the image plane side. The first lens group includes a first lens having a strong concave surface facing the image plane side and negative refractive power; and a second lens having negative refractive power and a biconcave lens shape near the optical axis. The second lens group includes a third lens having a biconvex shape; and a lens group that is composed of a lens having positive refractive power and a lens having negative refractive power, and has negative refractive power as a whole. The first lens group has a focal length F1 and the second lens group has a focal length F2 so that the following conditional expression is satisfied: −1.0

Abstract translation: 成像透镜包括具有负屈光力的第一透镜组; 停下来 以及具有正折射力的第二透镜组，从物体侧到像面侧依次排列。 第一透镜组包括具有面向像面侧的强凹面和负屈光力的第一透镜; 以及在光轴附近具有负屈光力和双凹透镜形状的第二透镜。 第二透镜组包括具有双凸形状的第三透镜; 以及透镜组，其由具有正折光力的透镜和具有负屈光力的透镜组成，并且整体具有负折射光焦度。 第一透镜组具有焦距F1，并且第二透镜组具有焦距F2，使得满足以下条件表达式：-1.0