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1. 发明授权

US11609407B2 Imaging lens 有权
公开(公告)号：US11609407B2
公开(公告)日：2023-03-21
申请号：US16831154
申请日：2020-03-26
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Shingo Yuza , Kenichi Kamada
IPC分类号： G02B9/60 , G02B13/00 , H04N5/225
摘要： There is provided an imaging lens with excellent optical characteristics while satisfying demand of low-profileness and low F-number. An imaging lens comprises, in order from an object side to an image side, a first lens with positive refractive power formed in a biconvex shape having an object-side surface and an image-side surface being convex in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with the negative refractive power in a paraxial region, a fourth lens with the negative refractive power in a paraxial region, and a fifth lens with the positive refractive power having an image-side surface being convex in a paraxial region, and predetermined conditional expressions are satisfied.

2. 发明授权

US11604336B2 Imaging lens 有权
公开(公告)号：US11604336B2
公开(公告)日：2023-03-14
申请号：US17218228
申请日：2021-03-31
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Hitoshi Hirano
IPC分类号： G02B9/64 , G02B13/00
摘要： An imaging lens includes a first lens; a second lens; a third lens; a fourth lens; a fifth lens; a sixth lens; a seventh lens; an eighth lens; and a ninth lens having negative refractive power, arranged in this order from an object side to an image plane side. The imaging lens has a total of nine lenses. The eighth lens has at least one aspheric surface. The ninth lens is formed in a shape so that a surface thereof on the image plane side has an aspherical shape. The ninth lens is formed in the shape so that the surface thereof on the image plane side has a specific paraxial curvature radius.

3. 发明授权

US11592649B2 Imaging lens 有权
公开(公告)号：US11592649B2
公开(公告)日：2023-02-28
申请号：US17218218
申请日：2021-03-31
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Hitoshi Hirano
IPC分类号： G02B9/64 , G02B13/00
摘要： An imaging lens includes a first lens; a second lens; a third lens; a fourth lens; a fifth lens; a sixth lens; a seventh lens; an eighth lens; and a ninth lens having negative refractive power, arranged in this order from an object side to an image plane side. The imaging lens has a total of nine lenses. The first lens is formed in a shape so that a surface thereof on the image plane side has an aspherical shape. The ninth lens is formed in a shape so that a surface thereof on the image plane side has an aspherical shape.

4. 发明授权

US11567298B2 Imaging lens 有权
公开(公告)号：US11567298B2
公开(公告)日：2023-01-31
申请号：US16405307
申请日：2019-05-07
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Koji Nitta
IPC分类号： G02B13/00 , G02B9/64
摘要： There is provided an imaging lens with high-resolution which satisfies demand of the wide field of view, the low-profileness and the low F-number, and excellently corrects aberrations. An imaging lens comprises in order from an object side to an image side, a first lens having a convex surface facing the object side near an optical axis, a second lens, a third lens having negative refractive power near the optical axis, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens having a concave surface facing the image side and the negative refractive power near the optical axis, wherein an image-side surface of said eighth lens is formed as an aspheric surface having at least one pole point in a position off the optical axis, said sixth lens has positive refractive power near the optical axis, an object-side surface of said seventh lens is a convex surface facing the object side near the optical axis, and a below conditional expression (1) is satisfied: 0.15

5. 发明授权

US11561373B2 Imaging lens 有权
公开(公告)号：US11561373B2
公开(公告)日：2023-01-24
申请号：US16885398
申请日：2020-05-28
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Yoji Kubota , Kenichi Kubota , Hitoshi Hirano , Hisao Fukaya
IPC分类号： G02B13/00 , G02B9/62
摘要： An imaging lens includes a first lens; a second lens having positive refractive power; a third lens; a fourth lens; a fifth lens; and a sixth lens, arranged in this order from an object side to an image plane side with spaces in between each of the lenses. The second lens is formed in a shape of a meniscus lens near an optical axis thereof. The third lens has at least one aspheric surface. The fourth lens has at least one aspheric surface. The fifth lens is formed in a shape so that a surface thereof on the object side is convex toward the object side near an optical axis thereof. The sixth lens has two aspheric surfaces and the surface on the image plane side is convex toward the image plane side near an optical axis thereof. The second lens has a specific Abbe's number.

6. 发明授权

US11561371B2 Imaging lens 有权
公开(公告)号：US11561371B2
公开(公告)日：2023-01-24
申请号：US16818577
申请日：2020-03-13
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Hitoshi Hirano
IPC分类号： G02B13/00 , G02B9/64 , G02B27/00 , H04N5/225
摘要： An imaging lens includes, in order from an object side to an image side, a first lens L1 having negative refractive power, a second lens L2 having positive refractive power, a third lens L3 having positive refractive power, a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, and an eighth lens L8 having negative refractive power, wherein said eighth lens L8 has an aspheric image-side surface having at least one inflection point.

7. 发明授权

US11474327B2 Imaging lens 有权
公开(公告)号：US11474327B2
公开(公告)日：2022-10-18
申请号：US17020907
申请日：2020-09-15
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Yoji Kubota , Kenichi Kubota , Hitoshi Hirano , Hisao Fukaya
IPC分类号： G02B9/62 , G02B13/00 , G02B13/06
摘要： An imaging lens includes a first lens having negative refractive power; a second lens; a third lens; a fourth lens; a fifth lens; and a sixth lens, arranged in this order from an object side to an image plane side. The first lens is formed in a shape so that a surface thereof on the image side has an aspheric shape. The fourth lens is formed in a shape so that a surface thereof on the image plane side has an aspheric shape. The fifth lens is formed in a shape so that a surface thereof on the image plane side is concave at a paraxial region thereof, and has an aspheric shape having an inflection point. The sixth lens has a specific Abbe's number ν6. The first lens and the fifth lens are disposed away from the second lens and the sixth lens, respectively, by specific distances.

8. 发明申请

US20220155568A1 IMAGING LENS 有权
公开(公告)号：US20220155568A1
公开(公告)日：2022-05-19
申请号：US17391950
申请日：2021-08-02
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Yukio SEKINE , Koki TOKUNO , Zhiyu HUANG
IPC分类号： G02B13/18 , G02B9/62
摘要： There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive or negative refractive power, a fourth lens with negative refractive power, a fifth lens with positive refractive power, and a sixth lens with negative refractive power, wherein said first lens is formed in a meniscus shape having an object-side surface being convex in a paraxial region, said second lens has an object-side surface being convex in a paraxial region, said sixth lens has an image-side surface being concave in a paraxial region, and the predetermined conditional expressions are satisfied.

9. 发明授权

US11300762B2 Imaging lens 有权
公开(公告)号：US11300762B2
公开(公告)日：2022-04-12
申请号：US16574264
申请日：2019-09-18
申请人： TOKYO VISIONARY OPTICS CO., LTD
发明人： Yoji Kubota , Kenichi Kubota , Hitoshi Hirano , Tomohiro Yonezawa
IPC分类号： G02B9/64 , G02B9/12 , G02B13/00 , G02B27/00
摘要： An imaging lens includes a first lens having positive refractive power; a second lens; a third lens; a fourth lens; a fifth lens having negative refractive power; a sixth lens; and a seventh lens, arranged in this order from an object side to an image plane side. The first lens is formed in a meniscus shape near an optical axis thereof. The third lens is formed in a meniscus shape so that a surface thereof directing to the object side is convex near an optical axis thereof. The sixth lens is formed in a meniscus shape near an optical axis thereof.

10. 发明授权

US11287617B2 Imaging lens 有权
公开(公告)号：US11287617B2
公开(公告)日：2022-03-29
申请号：US16700943
申请日：2019-12-02
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Yukio Sekine
IPC分类号： G02B13/18 , G02B13/00 , G02B3/04 , G02B9/64 , G02B3/02 , G02B27/00 , G02B5/20
摘要： An imaging lens which uses a larger number of constituent lenses for higher performance and features a low F-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens; a second negative refractive power lens; a third lens; a fourth lens; a fifth lens; a sixth lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens.

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