Patents by Inventor Hag Chul KIM
Hag Chul KIM has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11448857Abstract: An optical imaging system includes a first lens having negative refractive power, a second lens having negative refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The first to seventh lenses are sequentially disposed from an object side toward an image side. The third lens and the seventh lens are formed of plastic, and the first lens, the second lens, the fourth lens, the fifth lens, and the sixth lens are formed of glass.Type: GrantFiled: August 22, 2018Date of Patent: September 20, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Hyuk Joo Kim, Kyu Min Chae
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Publication number: 20220268971Abstract: An optical imaging system includes a plurality of fixed lenses disposed along an optical axis; a first reflective member disposed on an object side of the plurality of lenses; and a plurality of reflective members disposed on an image side of the plurality of lenses. At least one of the plurality of lenses is a variable lens having a variable focal length, and each of the plurality of reflective members is configured to move as the focal length of the variable lens changes.Type: ApplicationFiled: July 1, 2021Publication date: August 25, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Yeon LIM, Hag Chul KIM, Phil Ho JUNG, Yong Joo JO
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Patent number: 11422339Abstract: An optical imaging system includes a first lens having negative refractive power; a second lens having negative refractive power; a third lens having positive refractive power; a fourth lens having negative refractive power; a fifth lens having positive refractive power; a sixth lens having positive refractive power; and a seventh lens having negative refractive power. At least five of the lenses are made of a plastic material.Type: GrantFiled: March 12, 2019Date of Patent: August 23, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Hwan Soo Park, Yong Joo Jo
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Publication number: 20220252847Abstract: An optical imaging system includes an optical path folding element, and a lens group including four or more lenses. A rearmost lens disposed closest to an imaging plane in the lens group has positive refractive power, and a rearward lens disposed closest to an object side of the rearmost lens has negative refractive power.Type: ApplicationFiled: May 12, 2021Publication date: August 11, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul KIM, Yong Joo JO, Phil Ho JUNG
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Patent number: 11391924Abstract: An optical imaging system includes a first lens having a positive refractive power and a concave object-side surface, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, and a fifth lens having a positive refractive power and a concave image-side surface. The first through fifth lenses are sequentially disposed in ascending numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system.Type: GrantFiled: March 3, 2020Date of Patent: July 19, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul Kim
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Publication number: 20220196992Abstract: An optical imaging system includes a first lens group, a second lens group, and a third lens group, sequentially arranged from an object side, wherein the first lens group includes two lenses having negative and positive refractive power, the second lens group includes a plurality of lenses, and the third lens group includes two lenses having negative and positive refractive power.Type: ApplicationFiled: March 25, 2021Publication date: June 23, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul KIM, Phil Ho JUNG, Yong Joo JO
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Publication number: 20220171168Abstract: An optical imaging system includes: a first lens group including a plurality of lenses; a second lens group including a plurality of lenses; a first reflecting member disposed on an object side of the first lens group; and a plurality of second reflecting members arranged between the second lens group and an image sensor. One or both of the first lens group and the second lens group is movable along an optical axis, an interval along the optical axis between the first lens group and the second lens group is varied between a first interval and a second interval smaller than the first interval, and as at least one of the first lens group and the second lens group is moved, one or more of the second reflecting members are moved.Type: ApplicationFiled: March 29, 2021Publication date: June 2, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Phil Ho JUNG, Yong Joo JO, Hag Chul KIM, Tae Yeon LIM
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Publication number: 20220113520Abstract: A camera module includes a first lens group; a first optical path folding unit; a second lens group; and a second optical path folding unit. The first lens group, the first optical path folding unit, the second lens group, and the second optical path folding unit are sequentially disposed from an object side of the first lens group toward an imaging plane of the camera module. The first optical path folding unit includes a first fixed reflective member and a first movable reflective member configured to vary a length of an optical path between the first lens group and the second lens group, and the second optical path folding unit includes a second fixed reflective member and a second movable reflective member configured to vary a length of an optical path between the second lens group and an imaging plane.Type: ApplicationFiled: June 4, 2021Publication date: April 14, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul KIM, Tae Yeon LIM, Phil Ho JUNG, Yong Joo JO
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Publication number: 20220057603Abstract: An optical imaging system includes a first lens, as second lens, a third lens, a fourth lens, and a fifth lens. The first lens includes a positive refractive power and a convex image-side surface. The second lens includes a positive refractive power, and the third lens includes a negative refractive power. The fourth lens includes a positive refractive power, and the fifth lens includes a positive refractive power. The first to fifth lenses are sequentially disposed from an object side toward an imaging plane.Type: ApplicationFiled: November 4, 2021Publication date: February 24, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul KIM
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Publication number: 20220026687Abstract: An image capturing lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially arranged from an object side toward an image side. One or more of the lenses is an aspherical lens made of a glass material, and the sixth lens has positive refractive power.Type: ApplicationFiled: October 8, 2021Publication date: January 27, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul KIM, Kyu Min CHAE, Hyuk Joo KIM
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Publication number: 20210382265Abstract: An optical imaging system includes a first lens having positive refractive power, a second lens having positive refractive power, a third lens having positive refractive power, and a fourth lens having positive refractive power, and an F No. of the optical imaging system is equal to or less than 1.0. The optical imaging system is capable of achieving miniaturization while capturing an image at low illumination.Type: ApplicationFiled: August 23, 2021Publication date: December 9, 2021Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hag Chul KIM, Yong Joo JO
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Patent number: 11194134Abstract: An optical imaging system includes a first lens, as second lens, a third lens, a fourth lens, and a fifth lens. The first lens includes a positive refractive power and a convex image-side surface. The second lens includes a positive refractive power, and the third lens includes a negative refractive power. The fourth lens includes a positive refractive power, and the fifth lens includes a positive refractive power. The first to fifth lenses are sequentially disposed from an object side toward an imaging plane.Type: GrantFiled: March 30, 2016Date of Patent: December 7, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul Kim
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Patent number: 11181719Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein the first to seventh lenses are spaced apart from each other along the optical axis, and the optical imaging system satisfies 0.4<L1TR/L7TR<1.9, where L1TR is an overall outer diameter of the first lens, L7TR is an overall outer diameter of the seventh lens, and L1TR and L7TR are expressed in a same unit of measurement.Type: GrantFiled: May 28, 2019Date of Patent: November 23, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Eun Chong Lee, Yong Joo Jo, Ga Young An
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Patent number: 11169361Abstract: An image capturing lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially arranged from an object side toward an image side. One or more of the lenses is an aspherical lens made of a glass material, and the sixth lens has positive refractive power.Type: GrantFiled: November 16, 2018Date of Patent: November 9, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Kyu Min Chae, Hyuk Joo Kim
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Publication number: 20210333527Abstract: An optical imaging system includes a first lens group that can move in an optical direction and has negative refractive power; a second lens group that can move in the optical direction and has positive refractive power; and a third lens group that can move in the optical direction and has negative refractive power. The first lens group, the second lens group, and the third lens group include seven lenses in total, and at least one of the seven lenses includes an aspherical surface.Type: ApplicationFiled: July 7, 2021Publication date: October 28, 2021Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hag Chul KIM, Yong Joo JO
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Publication number: 20210318524Abstract: There is provided an optical imaging system including a prism, a first fixed lens group, a first movable lens group, a second movable lens group, and a second fixed lens group. The prism is configured to refract light reflected from an object side toward an imaging plane and a reflecting member. The prism is disposed on the first fixed lens group and the first movable lens group is configured to change a position of the imaging plane so that an overall focal length is changed. The second movable lens group is configured to adjust a position of the imaging plane so that a focal length for an object is adjusted. The imaging plane is disposed on the second fixed lens group.Type: ApplicationFiled: June 24, 2021Publication date: October 14, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul KIM
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Patent number: 11125973Abstract: An optical imaging system includes a first lens having positive refractive power, a second lens having positive refractive power, a third lens having positive refractive power, and a fourth lens having positive refractive power, and an F No. of the optical imaging system is equal to or less than 1.0. The optical imaging system is capable of achieving miniaturization while capturing an image at low illumination.Type: GrantFiled: July 9, 2019Date of Patent: September 21, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Yong Joo Jo
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Patent number: 11092789Abstract: An optical imaging system includes a first lens group that can move in an optical direction and has negative refractive power; a second lens group that can move in the optical direction and has positive refractive power; and a third lens group that can move in the optical direction and has negative refractive power. The first lens group, the second lens group, and the third lens group include seven lenses in total, and at least one of the seven lenses includes an aspherical surface.Type: GrantFiled: March 7, 2019Date of Patent: August 17, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Yong Joo Jo
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Patent number: 11079572Abstract: There is provided an optical imaging system including a prism, a first fixed lens group, a first movable lens group, a second movable lens group, and a second fixed lens group. The prism is configured to refract light reflected from an object side toward an imaging plane and a reflecting member. The prism is disposed on the first fixed lens group and the first movable lens group is configured to change a position of the imaging plane so that an overall focal length is changed. The second movable lens group is configured to adjust a position of the imaging plane so that a focal length for an object is adjusted. The imaging plane is disposed on the second fixed lens group.Type: GrantFiled: July 2, 2019Date of Patent: August 3, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul Kim
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Publication number: 20210109321Abstract: A camera module includes a first lens having positive refractive power; a second lens having refractive power; a third lens having positive refractive power, and having a concave shape on an image side surface; a fourth lens having negative refractive power; and a fifth lens having refractive power. TTL, a distance from an object side surface of the first lens to an imaging surface and BFL, a distance from an image side surface of the fifth lens to the imaging surface satisfy 1.0<TTL/BFL<3.0.Type: ApplicationFiled: February 12, 2020Publication date: April 15, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Yong Joo JO, Hag Chul KIM, Hyo Jin HWANG