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11. 发明授权

US11592648B2 Imaging lens 有权
公开(公告)号：US11592648B2
公开(公告)日：2023-02-28
申请号：US17213363
申请日：2021-03-26
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 having positive refractive power; 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, 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.

12. 发明授权

US11561374B2 Imaging lens 有权
公开(公告)号：US11561374B2
公开(公告)日：2023-01-24
申请号：US16897028
申请日：2020-06-09
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Koji Nitta
IPC分类号： G02B13/00 , G02B9/62
摘要： There is provided an imaging lens with high resolution which satisfies in well balance low-profileness, wide field of view and low F-number. An imaging lens comprises in order from an object side to an image side, a first lens being double-sided aspheric lens, a second lens having positive or negative refractive power, an aperture stop, a third lens having positive refractive power, a fourth lens having at least one aspheric surface and negative refractive power, a fifth lens having at least one aspheric surface and positive or negative refractive power, and a sixth lens being double-sided aspheric lens and having positive refractive power, wherein an image-side surface of said sixth lens is a concave surface facing the image side near the optical axis and is formed as the aspheric surface, which changes from the concave surface to the convex surface at an area apart from the optical axis.

13. 发明申请

US20230003975A1 IMAGING LENS 有权
公开(公告)号：US20230003975A1
公开(公告)日：2023-01-05
申请号：US17453599
申请日：2021-11-04
申请人： Tokyo Visionary Optics Co., Ltd.
发明人： Koki TOKUNO , Ruidong YANG
IPC分类号： G02B13/00 , G02B9/60
摘要： There is provided an imaging lens having a low profile and a low F-number and allowing satisfactory correction of aberrations. An imaging lens comprises in order from an object side, a first lens L1 with positive refractive power, a second lens L2 with negative refractive power, a third lens L3, a fourth lens L4 with positive refractive power, and a fifth lens L5 with negative refractive power, wherein an image-side surface of said fourth lens L4 is convex in a paraxial region, an object-side surface of said fifth lens L5 is an aspheric surface having at least one inflection point, and the following conditional expressions are satisfied: f/Dep

14. 发明授权

US11513320B2 Imaging lens including eight lenses of -+-++++-, -+-+++--, -+-++-+-, -+-++---, -+-+-++-, -+-+-+--, -+-+----, -+--+++-, -+--++--, -+--+-+-, -+--+---, -+---++-, -+---+--, -+----+-, or -+-+0-+- refractive powers 有权
$Imaging lens including eight lenses of -+-++++-, -+-+++--, -+-++-+-, -+-++---, -+-+-++-, -+-+-+--, -+-+----, -+--+++-, -+--++--, -+--+-+-, -+--+---, -+---++-, -+---+--, -+----+-, or -+-+0-+- refractive powers$
公开(公告)号：US11513320B2
公开(公告)日：2022-11-29
申请号：US16851989
申请日：2020-04-17
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Hitoshi Hirano
IPC分类号： G02B13/00 , G02B9/64
摘要： There is provided a compact imaging lens configured to properly correct aberrations. The 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 negative 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. The eighth lens L8 has an aspheric image-side surface having at least one inflection point.

15. 发明授权

US11500177B2 Imaging lens 有权
公开(公告)号：US11500177B2
公开(公告)日：2022-11-15
申请号：US16895497
申请日：2020-06-08
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Koki Tokuno , Huang Yunbai
IPC分类号： G02B9/60 , G02B13/00 , G02B27/00
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 having an object-side surface being convex in a paraxial region, a second lens with negative refractive power having an object-side surface being convex in a paraxial region, a third lens with negative refractive power in a paraxial region, a fourth lens, and a fifth lens having an image-side surface being convex in a paraxial region, and predetermined conditional expressions are satisfied.

16. 发明申请

US20220326490A1 IMAGING LENS 有权
公开(公告)号：US20220326490A1
公开(公告)日：2022-10-13
申请号：US17453730
申请日：2021-11-05
申请人： Tokyo Visionary Optics Co., Ltd.
发明人： Koki TOKUNO , Zhiyu HUANG
IPC分类号： G02B13/18 , G02B9/64
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 refractive power, a fourth lens, a fifth lens with negative refractive power, a sixth lens with positive refractive power, and a seventh lens with negative refractive power, wherein said first lens has an object-side surface being convex in a paraxial region, said fifth lens is formed in a biconcave shape in a paraxial region, and said seventh lens is formed in a meniscus shape having an image-side surface being concave in a paraxial region, and predetermined conditional expressions are satisfied.

17. 发明授权

US11467378B2 Imaging lens 有权
公开(公告)号：US11467378B2
公开(公告)日：2022-10-11
申请号：US16741413
申请日：2020-01-13
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Hisao Fukaya , Kenichi Kamada , Shingo Yuza
IPC分类号： G02B13/00 , G02B9/62
摘要： There is provided an imaging lens with high-resolution which realizes the low-profileness, wide field of view and low F-value well balance. An imaging lens comprising in order from an object side to an image side, a first lens having positive refractive power, a second lens having negative refractive power, a third lens being a double-sided aspheric lens, a fourth lens having a meniscus shape with a concave surface facing the object side near an optical axis, a fifth lens being a double-sided aspheric lens, and a sixth lens having the concave surface facing the image side near the optical axis, wherein the image-side surface of said sixth lens is an aspheric surface which changes to the convex surface at a peripheral portion, and a total track length is 6.0 mm or less and below conditional expressions (2) and (3) are satisfied: 20

18. 发明申请

US20220317422A1 IMAGING LENS 有权
公开(公告)号：US20220317422A1
公开(公告)日：2022-10-06
申请号：US17454183
申请日：2021-11-09
申请人： Tokyo Visionary Optics Co., Ltd.
发明人： Kenichi Kamada
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 negative refractive power, a second lens with positive refractive power, a third lens with positive 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 has an object-side surface being concave in a paraxial region, said fourth lens has an image-side surface being concave in a paraxial region, and said sixth lens has an image-side surface being concave in a paraxial region, and predetermined conditional expressions are satisfied.

19. 发明授权

US11460679B2 Imaging lens 有权
公开(公告)号：US11460679B2
公开(公告)日：2022-10-04
申请号：US16376299
申请日：2019-04-05
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Kaoru Yamazaki
IPC分类号： G02B15/14 , G02B9/60 , G02B13/00 , G02B13/06
摘要： There is provided an imaging lens with high-resolution which satisfies demand of wide field of view, low-profileness and low F-number in well balance, and excellently corrects aberrations. An imaging lens comprises, in order from an object side to an image side, a first lens, a second lens having negative refractive power near the optical axis, a third lens having a convex surface facing the image side near the optical axis, a fourth lens and a fifth lens, wherein said first lens has negative refractive power near the optical axis, an image-side surface of said fifth lens has a convex surface facing the image side near the optical axis, and below conditional expressions are satisfied: 3.00

20. 发明授权

US11422338B2 Imaging lens 有权
公开(公告)号：US11422338B2
公开(公告)日：2022-08-23
申请号：US16730654
申请日：2019-12-30
申请人： TOKYO VISIONARY OPTICS CO., LTD.
发明人： Yukio Sekine
IPC分类号： G02B9/62 , G02B13/00 , G02B13/04 , G02B13/06 , G02B13/18 , G02B1/00 , H04N5/335 , G02B27/00
摘要： There is provided an imaging lens with high resolution which effectively achieves low-profileness while maintaining the wide field of view, and favorably corrects aberrations.
The imaging lens comprising a first lens having negative refractive power, a second lens having positive refractive power, a third lens, a fourth lens having positive refractive power, a fifth lens having negative refractive power as a double-sided aspheric lens, and a sixth lens as a double-sided aspheric lens, wherein the first lens has a concave surface facing the image side, and the aspheric surface on the image side of the sixth lens is formed as a concave surface near the optical axis and has at least one pole point at an off-axial point, and a below conditional expression (1) is satisfied: ω≥45° (1) where ω: a half field of view.

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