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公开(公告)号：US10935759B2
公开(公告)日：2021-03-02
申请号：US16136567
申请日：2018-09-20
发明人： Jae Hyuk Huh , Jae Hyun Baik , Yong Joo Jo
摘要： An optical imaging system includes an optical system including at least six lenses, sequentially disposed from an object side toward an image side, an image sensor configured to convert light incident through the optical system into an electronic signal, and a variable stop configured to change an incident hole diameter and disposed toward the object side of a lens of the optical system closest to the object side, wherein TTL is a distance to an imaging plane of the image sensor from an object-side surface of the lens closest to the object side and 4.7
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公开(公告)号：US10908395B2
公开(公告)日：2021-02-02
申请号：US16443996
申请日：2019-06-18
发明人： Jin Hwa Jung , Yong Joo Jo
摘要： An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens, sequentially disposed from an object side to an imaging plane. The optical imaging system satisfies the expression BFL/f
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公开(公告)号：US10778922B2
公开(公告)日：2020-09-15
申请号：US14679428
申请日：2015-04-06
发明人： Yong Joo Jo
摘要： An optical system includes a first lens having refractive power; a second lens having refractive power, both surfaces thereof being convex in a paraxial region; a third lens having refractive power and having an object-side surface that is convex in the paraxial region; a fourth lens having refractive power; a fifth lens having refractive power and having an image-side surface that is concave in the paraxial region; and a sixth lens having refractive power, wherein the first to sixth lenses are sequentially disposed from an object side, and when an Abbe number of the first lens is v1 and an Abbe number of the second lens is v2, |v1−v2|
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公开(公告)号：US10473895B2
公开(公告)日：2019-11-12
申请号：US15381218
申请日：2016-12-16
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：US10247916B2
公开(公告)日：2019-04-02
申请号：US15586351
申请日：2017-05-04
发明人： Jae Hyun Baik , Yong Joo Jo
摘要： An optical imaging system includes a first lens having a positive refractive power, a second lens having a refractive index of 1.65 or greater, a third lens having positive refractive power and a refractive index of 1.65 or greater, a fourth lens having a positive refractive power, a fifth lens having a refractive index of 1.65 or greater, a sixth lens having a refractive index of 1.65 or greater, and a seventh lens having a positive refractive power. The first to seventh lenses are sequentially disposed from an object side to an imaging plane.
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公开(公告)号：US09405099B2
公开(公告)日：2016-08-02
申请号：US13862102
申请日：2013-04-12
发明人： Yong Joo Jo , Young Suk Kang
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：US09279959B2
公开(公告)日：2016-03-08
申请号：US14454718
申请日：2014-08-07
发明人： Phil Ho Jung , Yong Joo Jo
CPC分类号： G02B13/0045 , G02B9/62 , G02B13/00
摘要： An optical system may include: in order from an object side, a first lens having positive refractive power and an object-side surface convex in the object side direction; a second lens having negative refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power and an image-side surface convex in an image side direction; a fifth lens having negative refractive power and an image-side surface convex in the image side direction; and a sixth lens having negative refractive power and an image-side surface concave in the image side direction, such that bright, high resolution images may be implemented.
摘要翻译： 光学系统可以包括：从物体侧开始，具有正折射力的第一透镜和物体侧表面在物体侧方向上凸出; 具有负屈光力的第二透镜; 具有负屈光力的第三透镜; 具有正折射光焦度的第四透镜和图像侧方向上的图像侧表面凸; 具有负屈光力的第五透镜和在图像侧方向上凸起的图像侧表面; 以及具有负折射力的第六透镜和在图像侧方向上的图像侧表面凹陷，使得可以实现明亮的高分辨率图像。
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公开(公告)号：US09176303B2
公开(公告)日：2015-11-03
申请号：US14246977
申请日：2014-04-07
发明人： Yong Joo Jo
CPC分类号： G02B13/0045 , G02B9/62
摘要： A lens module include: a first lens having positive refractive power; a second lens having positive refractive power; a third lens having refractive power; a fourth lens having positive refractive power; a fifth lens having refractive power; and a sixth lens having negative refractive power and having an inflection point formed on an image-side surface thereof. The lens module may satisfy the following Conditional expressions: 0.36
摘要翻译： 透镜模块包括：具有正屈光力的第一透镜; 具有正折射光焦度的第二透镜; 具有屈光力的第三透镜; 具有正折射光焦度的第四透镜; 具有屈光力的第五透镜; 以及具有负屈光力并具有形成在其图像侧表面上的拐点的第六透镜。 透镜模块可以满足以下条件表达式：0.36
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公开(公告)号：US20150205069A1
公开(公告)日：2015-07-23
申请号：US14249220
申请日：2014-04-09
发明人： Phil Ho Jung , Yong Joo Jo
CPC分类号： G02B13/0045 , G02B9/60
摘要： There is provided an optical system including: a first lens having refractive power, an object-side surface thereof being convex toward an object; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power; and a fifth lens having negative refractive power, wherein the optical system satisfies Conditional Expression 1: T34/T23>8.0 [Conditional Expression 1] where T23 is a distance (air gap) [mm] between the second and third lenses, and T34 is a distance (air gap) [mm] between the third and fourth lenses.
摘要翻译： 提供了一种光学系统，包括：具有屈光力的第一透镜，其物体侧表面朝向物体凸出; 具有正折射光焦度的第二透镜; 具有负屈光力的第三透镜; 具有正折射光焦度的第四透镜; 和具有负屈光力的第五透镜，其中光学系统满足条件表达式1：T34 / T23> 8.0 [条件表达式1]其中T23是第二和第三透镜之间的距离（气隙）[mm]，T34是 第三和第四透镜之间的距离（气隙）[mm]。
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公开(公告)号：US20150131172A1
公开(公告)日：2015-05-14
申请号：US14321782
申请日：2014-07-01
发明人： Il Yong Park , Yong Joo Jo , Ju Hwa Son , Jin Hwa Jung , Jae Hyun Baik , Ho Sik You , Phil Ho Jung , Kyu Min Chae
IPC分类号： G02B9/62
CPC分类号： G02B9/62 , G02B13/0045
摘要： A lens module may include a first lens having positive refractive power, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power, and a sixth lens having negative refractive power and having one or more inflection points formed on an image-side surface thereof. An overall focal length of the lens module f and a focal length of the first lens f1 may satisfy the following Conditional Expression: 1.0
摘要翻译： 透镜模块可以包括具有正折光力的第一透镜，具有正屈光力的第二透镜，具有屈光力的第三透镜，具有正屈光力的第四透镜，具有负折光力的第五透镜，以及具有负折光力的第六透镜 并且具有形成在其图像侧表面上的一个或多个拐点。 透镜模块f的整体焦距和第一透镜f1的焦距可以满足以下条件表达式：1.0
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