Patents by Inventor Byung-Hyun Kim
Byung-Hyun 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: 11886037Abstract: An optical imaging system includes a plurality of lenses disposed along an optical axis from an object side of the optical imaging system toward an imaging plane of the optical imaging system. The lenses are separated from each other by respective air gaps along the optical axis between the lenses. The lenses include a first lens closest to the object side of the optical imaging system. The conditional expressions 1.5 mm<Gmax, TL<12.0 mm, and 0.15<R1/f are satisfied, where Gmax is a maximum air gap along the optical axis among all of the air gaps, TL is a length of the optical imaging system along the optical axis from an object-side surface of the first lens to the imaging plane, R1 is a radius of curvature of the object-side surface of the first lens, and f is a focal length of the optical imaging system.Type: GrantFiled: May 14, 2021Date of Patent: January 30, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Hyuk Jang, Byung Hyun Kim, Jae Hyuk Huh, Yong Joo Jo
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Patent number: 11874519Abstract: A lens assembly includes a first D-cut lens and a lens barrel surrounding a portion of a side surface of the first D-cut lens. The side surface of the first D-cut lens includes a linear portion, and the lens barrel is configured to expose at least a portion of the linear portion of the first D-cut lens in a direction perpendicular to an optical axis.Type: GrantFiled: September 9, 2021Date of Patent: January 16, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: So Mi Yang, Jae Hyuk Huh, Byung Hyun Kim, Ji Su Lee
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Publication number: 20240012183Abstract: A lens module includes a first lens and a second sequentially disposed along an optical axis of the lens module; a first spacer disposed between the first lens and the second lens; and a second spacer disposed between the first lens and the first spacer, wherein a portion of a first surface of the first spacer facing in a direction of the optical axis is in contact with the first lens, and a remaining portion of the first surface is spaced apart from the first lens, and the second spacer is coupled to the remaining portion of the first surface.Type: ApplicationFiled: March 1, 2023Publication date: January 11, 2024Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Sung Hoon JIN, Jin Se KIM, Byung Hyun KIM
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Publication number: 20230408736Abstract: A lens assembly includes a lens barrel, a plurality of lenses disposed in the lens barrel and sequentially arranged along an optical axis, and a spacer disposed between two adjacent lenses among the plurality of lenses and comprising a hole formed in the spacer in an optical axis direction, wherein an inner surface of the spacer surrounding the hole formed in the spacer includes first shapes protruding toward the optical axis, and second shapes protruding away from the optical axis, the first shapes and the second shapes alternate with each other one by one in a circumferential direction of the inner surface of the spacer, and a distance between vertices of two first shapes among the first shapes separated from each other by one second shape among the second shapes varies in the circumferential direction.Type: ApplicationFiled: October 26, 2022Publication date: December 21, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: So Mi YANG, Jae Hyuk HUH, Byung Hyun KIM
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Publication number: 20230378604Abstract: One aspect of the present invention provides a coating composition for a separator including a water-soluble polymer and a water-insoluble polymer, wherein the water-insoluble polymer includes solid particles and annular hollow particles, and an electrode-adhesive separator, which includes an adhesive layer made of the coating composition.Type: ApplicationFiled: July 31, 2023Publication date: November 23, 2023Applicants: W-SCOPE KOREA CO.,LTD., W-SCOPE CHUNGJU PLANT CO., LTDInventors: Byung Hyun KIM, Dae Bog PARK, Seok Hyeon GONG, Kwang Ho CHOI, Jeong Rae KIM
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Publication number: 20230375807Abstract: An optical imaging system includes a fixed-focus lens group and a variable-focus lens group disposed in this order from an object side, wherein the fixed-focus lens group includes a first lens, a second lens, and a third lens disposed in this order from an object side, wherein the first lens has positive refractive power, and wherein the second lens has negative refractive power.Type: ApplicationFiled: September 16, 2022Publication date: November 23, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: You Jin JEONG, Jae Hyuk HUH, Byung Hyun KIM
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Publication number: 20230378607Abstract: One aspect of the present invention provides a separator including a porous substrate, and a heat-resistant layer disposed on at least one surface of the porous substrate and including inorganic particles, wherein the ratio (F2/F1) of air permeability (F2, sec/100 mL) in a curved surface with a radius of curvature of 10 mm of the separator to the air permeability (F1, sec/100 mL) in a flat surface of the separator is 1.5 or less, and an electrochemical device including the same.Type: ApplicationFiled: July 31, 2023Publication date: November 23, 2023Applicants: W-SCOPE KOREA CO.,LTD., W-SCOPE CHUNGJU PLANT CO., LTDInventors: Byung Hyun KIM, Dae Bog PARK, Seok Hyeon GONG, Kwang Ho CHOI, Jeong Rae KIM
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Patent number: 11822060Abstract: A camera module includes a lens module including a plurality of lenses having refractive power, a first optical path folding unit disposed on the object side of the lens module and configured to refract or reflect incident light in an optical axis direction of the lens module. Among the lenses constituting the lens module, an effective radius of a lens closest to the first optical path folding unit may have substantially the same size as an effective radius of an exit surface of the first optical path folding unit.Type: GrantFiled: February 17, 2021Date of Patent: November 21, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Byung Hyun Kim, So Mi Yang, Jae Hyuk Huh, Yong Joo Jo
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Publication number: 20230350161Abstract: An optical imaging system includes a first lens, a second lens, a third lens having positive refractive power, a fourth lens, and a fifth lens disposed from an object side. In the optical imaging system, 0.2<(D23+D34+D45)/BFL<0.95 and 0.8<TTL/f<0.95, where D23 is a distance from an image-side surface of the second lens to an object-side surface of the third lens, D34 is a distance from an image-side surface of the third lens to an object-side surface of the fourth lens, D45 is a distance from an image-side surface of the fourth lens to an object-side surface of the fifth lens, BFL is a distance from an image-side surface of the fifth lens to an imaging plane, TTL is a distance from an object-side surface of the first lens to the imaging plane, and f is a focal length of the optical imaging system.Type: ApplicationFiled: July 11, 2023Publication date: November 2, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jae Hyuk HUH, Byung Hyun KIM, So Mi YANG, Yong Joo JO
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Patent number: 11796760Abstract: An optical imaging system includes a first lens, a second lens, a third lens having positive refractive power, a fourth lens, and a fifth lens disposed from an object side. In the optical imaging system, 0.2<(D23+D34+D45)/BFL<0.95 and 0.8<TTL/f<0.95, where D23 is a distance from an image-side surface of the second lens to an object-side surface of the third lens, D34 is a distance from an image-side surface of the third lens to an object-side surface of the fourth lens, D45 is a distance from an image-side surface of the fourth lens to an object-side surface of the fifth lens, BFL is a distance from an image-side surface of the fifth lens to an imaging plane, TTL is a distance from an object-side surface of the first lens to the imaging plane, and f is a focal length of the optical imaging system.Type: GrantFiled: August 19, 2020Date of Patent: October 24, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jae Hyuk Huh, Byung Hyun Kim, So Mi Yang, Yong Joo Jo
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Publication number: 20230207961Abstract: One aspect of the present invention provides a stretching apparatus for manufacturing a separator including a first stretching machine and a second stretching machine arranged in parallel with each other, in which the first stretching machine includes a plurality of first unit sections having different stretching ratios, and the second stretching machine includes a plurality of second unit sections having different stretching ratios, the overall stretching ratio by each of the first stretching machine and the second stretching machine is the same each other, and at least one stretching ratio of the first unit section and at least one stretching ratio of the second unit section are different from each other and a method of manufacturing a separator using the same.Type: ApplicationFiled: July 1, 2022Publication date: June 29, 2023Applicants: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.Inventors: Kyoung Sun RYU, Won Keun CHOI, Kwang Ho CHOI, Pyung Yong PARK, Byung Hyun KIM
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Publication number: 20230207959Abstract: One aspect of the present invention provides a method of manufacturing a separator including: (a) obtaining a laminate by laminating a first porous support and a second porous support; (b) forming a functional layer by applying a composition including a binder and a solvent on both sides of the laminate and drying the composition; and (c) dividing the laminate into two separators along an interface formed by the lamination, and a separator manufactured using the method.Type: ApplicationFiled: July 1, 2022Publication date: June 29, 2023Applicants: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.Inventors: Won Keun CHOI, Dae Bog PARK, Byung Tak JUNG, Byung Hyun KIM
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Publication number: 20230168466Abstract: An optical imaging system includes a first lens group including two or more lenses, and a second lens group including two or more lenses. The first lens group and the second lens group are sequentially arranged from an object side, and the second lens group is configured to be movable in an optical axis direction. 0.8<TTL/f<1.2. Here, TTL is a distance from an object-side surface of the foremost lens of the first lens group to an imaging plane, and f is a focal length of the optical imaging system.Type: ApplicationFiled: July 11, 2022Publication date: June 1, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Hyun KIM, Tae Yeon LIM, Yong Joo JO
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Publication number: 20230107374Abstract: An optical imaging system is provided. The optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens disposed in order from an object side to an imaging side. The first lens has positive refractive power, while the second lens has negative refractive power. TTL>10.2 mm, and TTL/(2×IMG HT)?1.7, where TTL is a distance from an object-side surface of the first lens to an imaging plane on an optical axis, and IMG HT is equal to half a diagonal length of the imaging plane.Type: ApplicationFiled: March 22, 2022Publication date: April 6, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Hyuk HUH, Byung Hyun KIM, So Mi YANG
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Publication number: 20230089031Abstract: An imaging lens system includes a first lens group, a first reflective portion including a plurality of reflective surfaces, and a second reflective portion including a plurality of reflective surfaces. The first lens group, the first reflective portion, and the second reflective portion are sequentially arranged from an object side, and 2.0 < TTL/f1 < 4.0 is satisfied, where TTL is a distance from an object-side surface of a first lens of the first lens group to an imaging plane, and f1 is a focal length of the first lens.Type: ApplicationFiled: July 13, 2022Publication date: March 23, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Hyuk HUH, Byung Hyun KIM, So Mi YANG
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Patent number: 11557814Abstract: Disclosed are a separator that includes fibrils including a polyolefin; and bond structures generated by reacting at least some of a first radical formed on surfaces of the fibrils by a photoreactive material and a second radical formed in the photoreactive material, and a method of manufacturing the separator.Type: GrantFiled: January 10, 2020Date of Patent: January 17, 2023Assignees: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.Inventors: Byung Hyun Kim, Hee Min Cho, Pyung Yong Park, Gi Won Yoo, Yeong Hoon Choi, Won Keun Choi
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Publication number: 20220390716Abstract: A lens assembly includes a plurality of lens arrays sequentially disposed from an object side toward an image side, wherein each lens array includes a plurality of lenses, and a plurality of lenses included in a lens array of the plurality of lens arrays, disposed to be closest to the image side have a length in a first axis direction, perpendicular to an optical axis, longer than a length in a second axis direction, perpendicular to both the optical axis and the first axis direction.Type: ApplicationFiled: April 26, 2022Publication date: December 8, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yong Joo JO, Do Hyeong JANG, Byung Hyun KIM
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Publication number: 20220326480Abstract: An optical imaging system according to an embodiment of the present disclosure includes a first lens, a second lens, and a third lens, sequentially arranged from an object side. In the optical imaging system according to the present embodiment, an air gap between the first lens and the second lens is greater than an air gap between the second lens and the third lens. In addition, in the optical imaging system according to the present embodiment, the first lens is formed of a glass material, and a length of the first lens in a first direction, intersecting an optical axis, is different from a length of the first lens in a second direction intersecting the optical axis.Type: ApplicationFiled: September 8, 2021Publication date: October 13, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Hyun KIM, Phil Ho JUNG, Yong Joo JO
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Publication number: 20220317409Abstract: A lens assembly includes a first D-cut lens and a lens barrel surrounding a portion of a side surface of the first D-cut lens. The side surface of the first D-cut lens includes a linear portion, and the lens barrel is configured to expose at least a portion of the linear portion of the first D-cut lens in a direction perpendicular to an optical axis.Type: ApplicationFiled: September 9, 2021Publication date: October 6, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: So Mi YANG, Jae Hyuk HUH, Byung Hyun KIM, Ji Su LEE
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Patent number: 11367925Abstract: Provided is a separator that includes a matrix including a polyolefin having a weight average molecular weight (Mw) of 250,000 to 450,000 and a molecular weight distribution (Mw/Mn) of 3 to 7; and a silane-modified polyolefin crosslinked in the matrix, and a method of manufacturing the same.Type: GrantFiled: March 19, 2019Date of Patent: June 21, 2022Assignees: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.Inventors: Byung Hyun Kim, Hee Min Cho, Pyung Yong Park, Gi Won Yoo