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: 11822051Abstract: 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 disposed sequentially from an object side. The optical imaging system satisfies ?2.0<L3R2/f<?0.5 and 3.0<f/IMG_HT<4.0, where L3R2 is a radius of curvature of an image-side surface of the third lens, f is a focal length of the optical imaging system, and IMG_HT is half a diagonal length of an imaging plane.Type: GrantFiled: August 27, 2020Date of Patent: November 21, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Yong Joo Jo, Hyo Jin Hwang
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Patent number: 11808926Abstract: 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: November 4, 2021Date of Patent: November 7, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul Kim
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Patent number: 11774709Abstract: An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens disposed in order from an object side. The optical imaging system satisfies 4.0<f/IMG_HT<5.0, where f is a focal length of the optical imaging system, and IMG_HT is one-half of a diagonal length of an imaging plane.Type: GrantFiled: August 27, 2020Date of Patent: October 3, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Yong Joo Jo, Che Young Lim
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Patent number: 11768350Abstract: An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens disposed in order from an object side. The optical imaging system satisfies 4.0<f/IMG_HT<5.0, where f is a focal length of the optical imaging system, and IMG_HT is one-half of a diagonal length of an imaging plane.Type: GrantFiled: October 31, 2022Date of Patent: September 26, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Yong Joo Jo, Che Young Lim
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Patent number: 11754822Abstract: 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: GrantFiled: March 12, 2019Date of Patent: September 12, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Yong Joo Jo
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Publication number: 20230244059Abstract: 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: April 13, 2023Publication date: August 3, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Yong Joo JO, Hag Chul KIM, Hyo Jin HWANG
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Publication number: 20230228977Abstract: 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: March 29, 2023Publication date: July 20, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul KIM, Eun Chong LEE, Yong Joo JO, Ga Young AN
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Publication number: 20230194833Abstract: An optical imaging system includes a first lens group, a second lens group, and a third lens group, each including a plurality of lenses and arranged in order along an optical axis, a reflecting member disposed in front of the first lens group, and an aperture disposed between the first lens group and the second lens group, wherein at least one of the first lens group to the third lens group is configured to be movable along the optical axis, and wherein the lens disposed closest to the aperture among the plurality of lenses included in the second lens group is formed of glass.Type: ApplicationFiled: June 28, 2022Publication date: June 22, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hag Chul KIM, Phil Ho JUNG
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Patent number: 11656431Abstract: 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: GrantFiled: February 12, 2020Date of Patent: May 23, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yong Joo Jo, Hag Chul Kim, Hyo Jin Hwang
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Publication number: 20230092924Abstract: 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: ApplicationFiled: November 18, 2022Publication date: March 23, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hag Chul KIM, Yong Joo JO, Hwan Soo PARK
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Publication number: 20230062424Abstract: An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens disposed in order from an object side. The optical imaging system satisfies 4.0<f/IMG_HT<5.0, where f is a focal length of the optical imaging system, and IMG_HT is one-half of a diagonal length of an imaging plane.Type: ApplicationFiled: October 31, 2022Publication date: March 2, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hag Chul KIM, Yong Joo JO, Che Young LIM
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Publication number: 20230038556Abstract: 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 19, 2022Publication date: February 9, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul KIM
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Publication number: 20220413264Abstract: 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: August 19, 2021Publication date: December 29, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul KIM, Eun Chong LEE, Yong Joo JO, Ga Young AN
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Publication number: 20220404634Abstract: An optical imaging system includes a lens unit including at least three lenses; an image sensor that moves along an optical axis direction and receives light that has passed through the lens unit; and a reflective member disposed on an object side of the lens unit and having a reflective surface to change a path of light. The optical imaging system satisfies 0<(SAS/f)/OD<0.15, where SAS is a moving distance of the image sensor along the optical axis direction, f is a total focal length of the lens unit, and OD is an object distance.Type: ApplicationFiled: September 23, 2021Publication date: December 22, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yong Joo JO, Hag Chul KIM
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Patent number: 11531192Abstract: 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: October 20, 2020Date of Patent: December 20, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul Kim, Yong Joo Jo, Hwan Soo Park
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Publication number: 20220390721Abstract: 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: ApplicationFiled: August 17, 2022Publication date: December 8, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hag Chul KIM, Hyuk Joo KIM, Kyu Min CHAE
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Publication number: 20220382021Abstract: 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: July 15, 2022Publication date: December 1, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul KIM
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Publication number: 20220382025Abstract: 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: August 4, 2022Publication date: December 1, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul KIM, Phil Ho JUNG, Yong Joo JO
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Patent number: 11506871Abstract: 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: GrantFiled: June 26, 2020Date of Patent: November 22, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Hag Chul Kim
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Publication number: 20220365319Abstract: An optical imaging system includes a first lens having a negative refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. At least five of the lenses are made of a plastic material.Type: ApplicationFiled: July 29, 2022Publication date: November 17, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hag Chul KIM, Hwan Soo PARK, Yong Joo JO