Patents by Inventor Ju-hwa Son
Ju-hwa Son 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: 11698515Abstract: An optical system includes a first lens having negative refractive power and having two concave surfaces, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power, and a seventh lens having refractive power. The first to seventh lenses are sequentially disposed from an object side.Type: GrantFiled: June 3, 2022Date of Patent: July 11, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Ju Hwa Son
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Publication number: 20230213782Abstract: A camera module includes: an optical imaging system including a frontmost lens disposed closest to an object side, a rearmost lens disposed closest to an imaging plane, and at least one middle lens disposed between the frontmost lens and the rearmost lens. An image-side surface of the rearmost lens is concave and an inflection point is formed on the image-side surface of the rearmost lens. 0.2 < D/TTL is satisfied, D being a shortest distance between the rearmost lens and the imaging plane, and TTL being a distance from an object-side surface of the frontmost lens to the imaging plane.Type: ApplicationFiled: February 16, 2023Publication date: July 6, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventor: Ju Hwa SON
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Patent number: 11681127Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged from an object side to an imaging plane. An angle of view of the optical system is 82 degrees or more. A constant indicating brightness of the optical system, F-number, is less than 1.8.Type: GrantFiled: December 30, 2021Date of Patent: June 20, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Ju Hwa Son
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Patent number: 11668905Abstract: An optical imaging system includes a first lens having a positive refractive power; a second lens having a refractive power; a third lens having a refractive power; a fourth lens having a refractive power and a concave image-side surface; a fifth lens having a refractive power; a sixth lens having a refractive power; a seventh lens having a refractive power; and an eighth lens having a refractive power and a concave object-side surface, wherein the first to eighth lenses are 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.Type: GrantFiled: April 22, 2022Date of Patent: June 6, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa Son, Min Hyuk Im, Ga Young An, Yong Joo Jo
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Patent number: 11635584Abstract: An optical imaging system includes a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, and a sixth lens having a negative refractive power. The first to sixth lenses are sequentially disposed from an object side to an imaging plane. An Abbe number of the second lens is 21 or less.Type: GrantFiled: October 22, 2020Date of Patent: April 25, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Ju Hwa Son
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Publication number: 20230108823Abstract: An optical imaging system includes a first lens group including a first lens and a second lens, a second lens group including a third lens, a fourth lens, and a fifth lens, and a third lens group including a sixth lens and a seventh lens. The first to seventh lenses are arranged in order from an object side, at least one of the first lens group to the third lens group is moved on an optical axis to change a distance between the first lens group to the third lens group, and the following conditional expression is satisfied: 0.2<BFL/(2*IMG HT)<2.0 where BFL is a distance on the optical axis from an image-side surface of the seventh lens to an imaging surface of an image sensor, and IMG HT is half a diagonal length of the imaging surface of the image sensor.Type: ApplicationFiled: December 5, 2022Publication date: April 6, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa SON, Hyo Jin HWANG, Yong Joo JO, Sang Hyun JANG, Jong Gi LEE
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Patent number: 11609435Abstract: A camera module includes: an optical imaging system including a frontmost lens disposed closest to an object side, a rearmost lens disposed closest to an imaging plane, and at least one middle lens disposed between the frontmost lens and the rearmost lens. An image-side surface of the rearmost lens is concave and an inflection point is formed on the image-side surface of the rearmost lens. 0.2<D/TTL is satisfied, D being a shortest distance between the rearmost lens and the imaging plane, and TTL being a distance from an object-side surface of the frontmost lens to the imaging plane.Type: GrantFiled: February 26, 2020Date of Patent: March 21, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Ju Hwa Son
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Publication number: 20230050423Abstract: A lens module includes first to seventh lenses each having refractive power and sequentially disposed in numerical order from the first lens to the seventh lens starting from an object side of the lens module, wherein each of the first and second lenses has a meniscus shape and an image-side surface that is convex, and the seventh lens has one or more inflection points on an image-side surface thereof.Type: ApplicationFiled: October 17, 2022Publication date: February 16, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventor: Ju Hwa SON
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Publication number: 20230003978Abstract: An imaging lens system includes a first lens; a second lens; a third lens having a concave object-side surface in a paraxial region thereof; a fourth lens; a fifth lens; a sixth lens; and a seventh lens, wherein the first to seventh lenses are sequentially disposed in ascending numerical order along an optical axis of the imaging lens system from an object side of the imaging lens system toward an imaging plane of the imaging lens system, and the conditional expression TTL/(2*ImgHT)<0.6 is satisfied, where TTL is a distance along the optical axis from an object-side surface of the first lens to the imaging plane, and 2*ImgHT is a diagonal length of an effective imaging area of the imaging plane.Type: ApplicationFiled: November 9, 2021Publication date: January 5, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Hyun JANG, Ju Hwa SON
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Patent number: 11506870Abstract: A lens module includes first to seventh lenses each having refractive power and sequentially disposed in numerical order from the first lens to the seventh lens starting from an object side of the lens module, wherein each of the first and second lenses has a meniscus shape and an image-side surface that is convex, and the seventh lens has one or more inflection points on an image-side surface thereof.Type: GrantFiled: April 28, 2020Date of Patent: November 22, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Ju Hwa Son
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Publication number: 20220350118Abstract: An imaging 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 disposed in order from an object side. In the imaging lens system, the first lens has positive refractive power and an object-side surface of the first lens is concave. A field of view of the imaging lens system is 100 degrees or more. In the imaging lens system, a distance TTL from the object-side surface of the first lens to an imaging plane and a height ImgH of the imaging plane satisfy TTL/ImgH<1.5.Type: ApplicationFiled: July 6, 2022Publication date: November 3, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Hyun JANG, Ki Jin NAM, Yong Joo JO, Phil Ho JUNG, Ju Hwa SON
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Publication number: 20220326484Abstract: 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 optical imaging system satisfies 1<?f123457-f?/f, where f123457 is a composite focal length of the first to seventh lenses calculated with an index of refraction of the sixth lens set to 1.0, f is an overall focal length of the optical imaging system, and f123457 and f are expressed in a same unit of measurement.Type: ApplicationFiled: June 17, 2022Publication date: October 13, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa SON, Min Hyuk IM, Yong Joo JO, Ga Young AN
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Publication number: 20220291487Abstract: An optical system includes a first lens having negative refractive power and having two concave surfaces, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power, and a seventh lens having refractive power. The first to seventh lenses are sequentially disposed from an object side.Type: ApplicationFiled: June 3, 2022Publication date: September 15, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventor: Ju Hwa SON
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Publication number: 20220252830Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially disposed from an object side. The third lens and the sixth lens have positive refractive power, and an f-number (F No.) of the optical imaging system is 1.7 or less.Type: ApplicationFiled: April 26, 2022Publication date: August 11, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa SON, Ki Jin NAM, Ju Sung PARK, Yong Joo JO
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Publication number: 20220252832Abstract: An optical imaging system includes a first lens having a positive refractive power; a second lens having a refractive power; a third lens having a refractive power; a fourth lens having a refractive power and a concave image-side surface; a fifth lens having a refractive power; a sixth lens having a refractive power; a seventh lens having a refractive power; and an eighth lens having a refractive power and a concave object-side surface, wherein the first to eighth lenses are 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.Type: ApplicationFiled: April 22, 2022Publication date: August 11, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa SON, Min Hyuk IM, Ga Young AN, Yong Joo JO
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Publication number: 20220244506Abstract: 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 arranged along an optical axis from an object side toward an image side. The fifth lens has a positive refractive power, a focal length of the fifth lens is smaller than an overall focal length of the optical imaging system, and ?0.38?R10/f??0.32, where R10 is a radius of curvature of an image-side surface of the fifth lens and f is the overall focal length of the optical imaging system.Type: ApplicationFiled: April 22, 2022Publication date: August 4, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa SON, In Gun KIM, Yong Joo JO, Ju Sung PARK
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Patent number: 11378784Abstract: An optical system includes a first lens having negative refractive power and having two concave surfaces, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power, and a seventh lens having refractive power. The first to seventh lenses are sequentially disposed from an object side.Type: GrantFiled: May 4, 2020Date of Patent: July 5, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Ju Hwa Son
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Patent number: 11366288Abstract: 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 optical imaging system satisfies 1<|f123457?f|/f, where f123457 is a composite focal length of the first to seventh lenses calculated with an index of refraction of the sixth lens set to 1.0, f is an overall focal length of the optical imaging system, and f123457 and f are expressed in a same unit of measurement.Type: GrantFiled: May 29, 2019Date of Patent: June 21, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa Son, Min Hyuk Im, Yong Joo Jo, Ga Young An
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Patent number: 11347028Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially disposed from an object side. The third lens and the sixth lens have positive refractive power, and an f-number (F No.) of the optical imaging system is 1.7 or less.Type: GrantFiled: August 28, 2018Date of Patent: May 31, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa Son, Ki Jin Nam, Ju Sung Park, Yong Joo Jo
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Patent number: 11340424Abstract: An optical imaging system includes a first lens having a positive refractive power; a second lens having a refractive power; a third lens having a refractive power; a fourth lens having a refractive power and a concave image-side surface; a fifth lens having a refractive power; a sixth lens having a refractive power; a seventh lens having a refractive power; and an eighth lens having a refractive power and a concave object-side surface, wherein the first to eighth lenses are 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.Type: GrantFiled: June 12, 2019Date of Patent: May 24, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa Son, Min Hyuk Im, Ga Young An, Yong Joo Jo