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: 12366738Abstract: 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: January 24, 2024Date of Patent: July 22, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Yong Joo Jo
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Patent number: 12366734Abstract: 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: GrantFiled: May 12, 2021Date of Patent: July 22, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Yong Joo Jo, Phil Ho Jung
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Publication number: 20250216656Abstract: An optical imaging system includes a first lens group, a second lens group, a third lens group, and a fourth lens group sequentially disposed along an optical axis, and each including a plurality of lenses, wherein each of the first lens group and the fourth lens group has a positive refractive power, the optical imaging system further includes an aperture disposed between the third lens group and the fourth lens group, the first lens group, the aperture, and the fourth lens group are fixed, and the second lens group and the third lens group are configured to be movable along the optical axis, the optical imaging system further includes a reflective member including a reflective surface configured to change an optical path of the optical imaging system disposed in front of the first lens group, and the fourth lens group is a lens group disposed closest to the imaging surface.Type: ApplicationFiled: December 5, 2024Publication date: July 3, 2025Applicants: Samsung Electro-Mechanics Co., Ltd., Kumoh National Institute of Technology Industry-Academic Cooperation FoundationInventors: Jae Myung RYU, Hag Chul KIM, Yong Joo JO, Phil Ho JUNG
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Publication number: 20250208381Abstract: An optical imaging system includes a first lens having refractive power; a second lens having negative refractive power; a third lens having refractive power; a fourth lens having positive refractive power; and a fifth lens having negative refractive power. The first to fifth lenses are disposed in order from an object side, wherein 3.10<f/IMG HT<3.15 is satisfied, where f is a focal length of the optical imaging system, and IMG HT is half of a diagonal length of an imaging plane.Type: ApplicationFiled: December 6, 2024Publication date: June 26, 2025Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Do Hyeong JANG, Hag Chul KIM, Seong Il CHO
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Patent number: 12332411Abstract: 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: GrantFiled: January 31, 2024Date of Patent: June 17, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Phil Ho Jung, Yong Joo Jo, Hag Chul Kim, Tae Yeon Lim
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Publication number: 20250189768Abstract: An optical imaging system includes a first lens group, including one or more lenses, having positive refractive power; a second lens group including a plurality of lenses; and a reflective member, disposed between the first lens group and the second lens group, including an incident surface, a reflective surface, and an emitting surface. The optical imaging system satisfies 1.3<SD1/SDP<1.7, where SD1 is an effective diameter of an object-side surface of a first lens disposed closest to an object side among the one or more lenses of the first lens group, and SDP is a minor-axis length of the incident surface of the reflective member.Type: ApplicationFiled: October 21, 2024Publication date: June 12, 2025Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Seong Il CHO, Do Hyeong JANG, Tae Yeon LIM, Hag Chul KIM
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Patent number: 12320961Abstract: 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: December 5, 2023Date of Patent: June 3, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Kyu Min Chae, Hyuk Joo Kim
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Publication number: 20250164757Abstract: 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: ApplicationFiled: January 18, 2025Publication date: May 22, 2025Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul KIM, Eun Chong LEE, Yong Joo JO, Ga Young AN
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Publication number: 20250155683Abstract: 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: ApplicationFiled: January 15, 2025Publication date: May 15, 2025Applicant: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul KIM
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Publication number: 20250155688Abstract: An optical imaging system includes a first lens having a concave object-side surface, a second lens, a third lens having a concave image-side surface, a fourth lens having a concave object-side surface, and a fifth lens. The first to fifth lenses are sequentially disposed from an object side toward an imaging plane. The optical imaging system has a total number of five lenses having a refractive power. A radius of curvature of the image-side surface of the third lens is greater than a radius of curvature of an image-side surface of the second lens. 0?|n1?n2|?0.2 and TL/2Y<2.0, where n1 is a refractive index of the first lens, n2 is a refractive index of the second lens, TL is a distance from the object-side surface of the first lens to the imaging plane, and 2Y is a diagonal length of the imaging plane.Type: ApplicationFiled: January 16, 2025Publication date: May 15, 2025Applicant: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul KIM
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Patent number: 12298482Abstract: 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, the fourth lens, the sixth lens, and the seventh lens are formed of plastic, and the first lens, the second lens, and the fifth lens are formed of glass.Type: GrantFiled: February 6, 2024Date of Patent: May 13, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Yong Joo Jo, Hwan Soo Park
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Publication number: 20250147275Abstract: A camera module is provided. The camera module includes a first lens having a convex object-side surface; a second lens having a convex object-side surface; a third lens having positive refractive power; a fourth lens having a convex image-side surface; and a fifth lens having a refractive power, wherein the first to fifth lens are sequentially disposed from an object side toward an imaging plane, wherein a focal length of the second lens is within a range of ?10 mm to ?7.0 mm, and wherein 1.0<TTL/f<1.2, where TTL is a distance from the object-side surface of the first lens to the imaging plane and f is a focal length of the lens imaging system.Type: ApplicationFiled: January 7, 2025Publication date: May 8, 2025Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Yong Joo JO, Hag Chul KIM, Hyo Jin HWANG
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Publication number: 20250102766Abstract: An optical imaging system includes a first lens group, including at least one lens disposed on a first optical axis, a second lens group, including at least one lens disposed on a second optical axis, perpendicular to the first optical axis, and a prism disposed between the first lens group and the second lens group to convert a light path from the first optical axis to the second optical axis. A conditional expression 0.20<d(LG1P)/d(PLG2)<0.60 is satisfied, where d(LG1P) is a distance on the first optical axis from an image-side surface of a lens disposed closest to an image side of the first lens group to an incident surface of the prism, and d(PLG2) is a distance on the second optical axis from an exit surface of the prism to an object-side surface of a lens disposed closest to an object side of the second lens group.Type: ApplicationFiled: May 30, 2024Publication date: March 27, 2025Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Do Hyeong JANG, Tae Yeon LIM, Seong Il CHO, Hag Chul KIM
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Patent number: 12259530Abstract: 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: March 29, 2023Date of Patent: March 25, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Eun Chong Lee, Yong Joo Jo, Ga Young An
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Patent number: 12242040Abstract: 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: January 16, 2024Date of Patent: March 4, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul Kim
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Patent number: 12242043Abstract: An optical imaging system includes a first lens having a concave object-side surface, a second lens, a third lens having a concave image-side surface, a fourth lens having a concave object-side surface, and a fifth lens. The first to fifth lenses are sequentially disposed from an object side toward an imaging plane. The optical imaging system has a total number of five lenses having a refractive power. A radius of curvature of the image-side surface of the third lens is greater than a radius of curvature of an image-side surface of the second lens. 0?|n1?n2|?0.2 and TL/2Y<2.0, where n1 is a refractive index of the first lens, n2 is a refractive index of the second lens, TL is a distance from the object-side surface of the first lens to the imaging plane, and 2Y is a diagonal length of the imaging plane.Type: GrantFiled: September 29, 2023Date of Patent: March 4, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul Kim
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Patent number: 12242032Abstract: 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: August 19, 2021Date of Patent: March 4, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Eun Chong Lee, Yong Joo Jo, Ga Young An
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Patent number: 12228791Abstract: A camera module is provided. The camera module includes a first lens having a convex object-side surface; a second lens having a convex object-side surface; a third lens having positive refractive power; a fourth lens having a convex image-side surface; and a fifth lens having a refractive power, wherein the first to fifth lens are sequentially disposed from an object side toward an imaging plane, wherein a focal length of the second lens is within a range of ?10 mm to ?7.0 mm, and wherein 1.0<TTL/f<1.2, where TTL is a distance from the object-side surface of the first lens to the imaging plane and f is a focal length of the lens imaging system.Type: GrantFiled: April 13, 2023Date of Patent: February 18, 2025Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yong Joo Jo, Hag Chul Kim, Hyo Jin Hwang
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Publication number: 20250044564Abstract: An optical imaging system includes a first lens having refractive power, a second lens including a first reflective region formed on an object-side surface of the second lens, a third lens having a second reflective region formed on an image-side surface of the third lens, and a fourth lens having refractive power.Type: ApplicationFiled: October 24, 2024Publication date: February 6, 2025Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul KIM, Yong Joo JO
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Publication number: 20250035891Abstract: An optical imaging system includes five lenses in which a first lens includes a positive refractive power and a concave object-side surface, and a second lens includes a positive refractive power and a concave image-side surface. The first to fifth lenses are sequentially disposed from an object side to an image side.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Applicant: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul KIM