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公开(公告)号：US20240103247A1
公开(公告)日：2024-03-28
申请号：US18355819
申请日：2023-07-20
发明人： Seong Jin CHOI , Young Suk KANG , Yong Joo JO
IPC分类号： G02B7/02
摘要： A lens assembly includes a lens barrel, a plurality of lenses arranged inside the lens barrel along an optical axis, and a cover member fixed to an end of the lens barrel on a subject side and fixing a last lens of the plurality of lenses on the subject side, wherein outer diameters of the plurality of lenses decrease from the subject side to an image side, and an outer diameter of the lens barrel is constant or smaller from the subject side to the image side.
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公开(公告)号：US20220206274A1
公开(公告)日：2022-06-30
申请号：US17213762
申请日：2021-03-26
发明人： Jae Hyuk HUH , Yong Joo JO , Young Suk KANG , Phil Ho JUNG
摘要： A lens, wherein a first profile in a first direction intersecting an optical axis and a second profile in a second direction intersecting the optical axis are different from each other, and a length of the first profile in the first direction is different from a length of the second profile in the second direction.
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公开(公告)号：US20210333511A1
公开(公告)日：2021-10-28
申请号：US17367761
申请日：2021-07-06
发明人： Yong Joo JO , Young Suk KANG
摘要： An optical imaging system is provided. The optical imaging system has a first lens, a second lens, a third lens, and a fourth lens disposed in order from an object-side to an image-side. The optical imaging system satisfies the following conditional expressions: F No.≤1.5, 0.5
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公开(公告)号：US20200033563A1
公开(公告)日：2020-01-30
申请号：US16590932
申请日：2019-10-02
发明人： Yong Joo JO , Young Suk KANG
摘要： There are provided a subminiature optical system having a miniature size and capable of obtaining a narrow view angle using only five sheets of lenses, and a portable device having the same. The subminiature optical system includes a first lens convex toward the object side and having positive refractive power. a second lens concave toward an image side and having negative refractive power, a third lens convex toward the object side and having positive refractive power, a fourth lens concave toward the image plane and having negative refractive power, and a fifth lens convex toward the image plane and having negative or positive refractive power, sequentially from an object side.
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公开(公告)号：US20140204480A1
公开(公告)日：2014-07-24
申请号：US13862102
申请日：2013-04-12
发明人： Yong Joo JO , Young Suk KANG
IPC分类号： G02B13/00
CPC分类号： G02B13/0045 , G02B1/041 , G02B5/208 , G02B9/60 , G02B27/0025 , H04N13/282
摘要： There are provided a subminiature optical system having a miniature size and capable of obtaining a narrow view angle using only five sheets of lenses, and a portable device having the same. The subminiature optical system includes a first lens convex toward the object side and having positive refractive power. a second lens concave toward an image side and having negative refractive power, a third lens convex toward the object side and having positive refractive power, a fourth lens concave toward the image plane and having negative refractive power, and a fifth lens convex toward the image plane and having negative or positive refractive power, sequentially from an object side.
摘要翻译： 提供了一种具有微型尺寸且能够仅使用五片透镜获得窄视角的超小型光学系统，以及具有其的便携式装置。 超小型光学系统包括朝向物体侧凸起并具有正折射光焦度的第一透镜。 朝向图像侧凹入并具有负屈光力的第二透镜，朝向物体侧凸起并具有正折射力的第三透镜，朝向像面凹入且具有负折光力的第四透镜以及朝向图像凸起的第五透镜 平面并且具有负的或正的折射光焦度。
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公开(公告)号：US20240176117A1
公开(公告)日：2024-05-30
申请号：US18432383
申请日：2024-02-05
发明人： Jae Hyuk HUH , Yong Joo JO , Young Suk KANG , Phil Ho JUNG
CPC分类号： G02B13/08 , G02B9/60 , G02B13/0045
摘要： A lens, wherein a first profile in a first direction intersecting an optical axis and a second profile in a second direction intersecting the optical axis are different from each other, and a length of the first profile in the first direction is different from a length of the second profile in the second direction.
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公开(公告)号：US20240004166A1
公开(公告)日：2024-01-04
申请号：US18468085
申请日：2023-09-15
发明人： Yong Joo JO , Young Suk KANG
CPC分类号： G02B13/0045 , G02B9/60 , H04N13/282
摘要： There are provided a subminiature optical system having a miniature size and capable of obtaining a narrow view angle using only five sheets of lenses, and a portable device having the same. The subminiature optical system includes a first lens convex toward the object side and having positive refractive power. a second lens concave toward an image side and having negative refractive power, a third lens convex toward the object side and having positive refractive power, a fourth lens concave toward the image plane and having negative refractive power, and a fifth lens convex toward the image plane and having negative or positive refractive power, sequentially from an object side.
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公开(公告)号：US20220357547A1
公开(公告)日：2022-11-10
申请号：US17694985
申请日：2022-03-15
发明人： Young Suk KANG , Do Hyeong JANG , Yong Joo JO
摘要： A provided lens assembly device includes a lens assembly that has a plurality of adjacently lens modules, each accommodating one or more lenses, and a lens holder where the plurality of lens modules are disposed, where, for each of the plurality of lens modules, a respective lens module includes a side surface facing another lens module, of the plurality of lens modules, disposed adjacent to the respective lens module, where the side surface includes at least a first flat surface, and at least one lens, of the one or more lenses of the respective lens module, having a first total length in a first axial direction, perpendicular to an optical axis of the respective lens module, and a second total length in a second axial direction, perpendicular to both the optical axis and the first axial direction, where the first total length is longer than the second total length.
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公开(公告)号：US20210208367A1
公开(公告)日：2021-07-08
申请号：US17206284
申请日：2021-03-19
发明人： Jin Hwa JUNG , Yong Joo JO , Young Suk KANG
摘要： An optical imaging system includes a first lens, a second lens, a third lens including a concave object side surface, a fourth lens, a fifth lens, and a sixth lens sequentially disposed from an object side toward an image side. The optical imaging system satisfies 0.7
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公开(公告)号：US20180113301A1
公开(公告)日：2018-04-26
申请号：US15843405
申请日：2017-12-15
发明人： Duck Hun KIM , Young Suk KANG
CPC分类号： G02B27/0018 , G02B5/003 , G02B7/021 , G02B13/0045
摘要： A lens module includes a lens barrel, a plurality of lenses disposed in the lens barrel and aligned along an optical axis, and a spacer, disposed between the plurality of lenses, comprising a light blocking hole configured to allow light incident to the plurality of lenses to pass therethrough, wherein a light absorbing layer is disposed on a wall surface of the spacer forming the light blocking hole.
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