Patents by Inventor Dong Shin YANG
Dong Shin YANG 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: 11960058Abstract: An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens sequentially disposed from an object side toward an image side on an optical axis, and a reflecting member disposed closer to the object side, as compared to the first lens, and having a reflecting surface configured to change a path of light to be incident to the first to fourth lenses. The first to fourth lenses are disposed to be spaced apart from each other by a preset distance along the optical axis, and 1.3<TTL/BFL<3.5, where TTL is a distance from an object-side surface of the first lens to an imaging plane of an image sensor, and BFL is a distance from an image-side surface of the fourth lens to the imaging plane of the image sensor.Type: GrantFiled: April 13, 2023Date of Patent: April 16, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ho Sik Yoo, Dong Shin Yang, Yong Joo Jo, Sot Eum Seo
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Publication number: 20240094513Abstract: 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 on an optical axis from an object side toward an image side. A distance from an object-side surface of the first lens to an imaging plane of an image sensor is TTL, an overall focal length of an optical system including the first to sixth lenses is F, and TTL/F?0.83. An optical axis distance between the second lens and the third lens is D23, an optical axis distance between the third lens and the fourth lens is D34, and 2.2<D23/D34<5.4.Type: ApplicationFiled: November 29, 2023Publication date: March 21, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ju Hwa SON, Young Su JIN, Dong Shin YANG, Yong Joo JO
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Patent number: 11910078Abstract: A camera module includes a first lens module having a first lens barrel accommodating a first lens group, and a second lens module spaced apart from the first lens module in an optical axis direction, configured to be moveable in the optical axis direction, and having a second lens barrel accommodating a second lens group, the first lens barrel includes a first through-hole on one side and a first opening on the other side, the second lens barrel includes a second opening opposing the first opening on one side and a second through-hole on the other side, a diameter of the first opening is greater than a diameter of the first through-hole, and a diameter of the second opening is greater than a diameter of the second through-hole, and a light shielding member is disposed at one or more of the first opening and the second opening.Type: GrantFiled: August 28, 2020Date of Patent: February 20, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Shin Yang, Sot Eum Seo, Ju Sung Park
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Patent number: 11874446Abstract: 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 on an optical axis from an object side toward an image side. A distance from an object-side surface of the first lens to an imaging plane of an image sensor is TTL, an overall focal length of an optical system including the first to sixth lenses is F, and TTL/F?0.83. An optical axis distance between the second lens and the third lens is D23, an optical axis distance between the third lens and the fourth lens is D34, and 2.2<D23/D34<5.4.Type: GrantFiled: March 23, 2021Date of Patent: January 16, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa Son, Young Su Jin, Dong Shin Yang, Yong Joo Jo
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Publication number: 20230350162Abstract: An optical imaging system includes a first lens having positive refractive power, a second lens, a third lens, and a fourth lens, arranged sequentially from an object side along an optical axis. The first lens through the fourth lens are spaced apart from each other along the optical axis in a paraxial region. A total focal length f of a lens unit including the first lens through the fourth lens and half (IMG HT) of a diagonal length of an imaging surface of an image sensor satisfy f/IMG HT >4.9. An effective aperture radius of an object-side surface of the first lens and an effective aperture radius of an object-side surface of the second lens are both greater than effective aperture radii of an object-side surface and an image-side surface of each of the lenses other than the first lens and the second lens.Type: ApplicationFiled: June 30, 2023Publication date: November 2, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ho Sik YOO, Dong Shin YANG
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Patent number: 11762164Abstract: A lens includes an optical portion refracting light, a rib extending along a circumference of at least a portion of the optical portion, a first area and a second area of an object-side surface of the rib, wherein the first area has a first surface roughness and the second area has a second surface roughness less rough than the first surface roughness, and a third area and a fourth area of an image-side surface of the rib, wherein the third area has a third surface roughness and the fourth area has a fourth surface roughness less rough than the third surface roughness, wherein the second area includes inclined surfaces.Type: GrantFiled: December 23, 2020Date of Patent: September 19, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Shin Yang, Ju Sung Park, Sot Eum Seo
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Patent number: 11733486Abstract: An optical imaging system includes a first lens having positive refractive power, a second lens, a third lens, and a fourth lens, arranged sequentially from an object side along an optical axis. The first lens through the fourth lens are spaced apart from each other along the optical axis in a paraxial region. A total focal length f of a lens unit including the first lens through the fourth lens and half (IMG HT) of a diagonal length of an imaging surface of an image sensor satisfy f/IMG HT>4.9. An effective aperture radius of an object-side surface of the first lens and an effective aperture radius of an object-side surface of the second lens are both greater than effective aperture radii of an object-side surface and an image-side surface of each of the lenses other than the first lens and the second lens.Type: GrantFiled: July 11, 2022Date of Patent: August 22, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ho Sik Yoo, Dong Shin Yang
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Publication number: 20230251463Abstract: An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens sequentially disposed from an object side toward an image side on an optical axis, and a reflecting member disposed closer to the object side, as compared to the first lens, and having a reflecting surface configured to change a path of light to be incident to the first to fourth lenses. The first to fourth lenses are disposed to be spaced apart from each other by a preset distance along the optical axis, and 1.3<TTL/BFL<3.5, where TTL is a distance from an object-side surface of the first lens to an imaging plane of an image sensor, and BFL is a distance from an image-side surface of the fourth lens to the imaging plane of the image sensor.Type: ApplicationFiled: April 13, 2023Publication date: August 10, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ho Sik YOO, Dong Shin YANG, Yong Joo JO, Sot Eum SEO
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Patent number: 11703655Abstract: A lens assembly includes a lens including an optical portion to refract light and a flange portion extended along a periphery of at least a portion of the optical portion, and a lens barrel to accommodate the lens. The flange portion has a non-circular shape and includes a first di-cut portion on a first side surface of the flange portion, a second di-cut portion on a second side surface of the flange portion, and arc portions connecting the first di-cut portion and the second di-cut portion. A first distance between the first di-cut portion and an optical axis of the lens and a second distance between the second di-cut portion and the optical axis of the lens are smaller than a distance between respective opposite ends of the arc portions and the optical axis.Type: GrantFiled: April 2, 2021Date of Patent: July 18, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Shin Yang, In Gun Kim, Ju Sung Park, Sot Eum Seo
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Patent number: 11656434Abstract: An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens sequentially disposed from an object side toward an image side on an optical axis, and a reflecting member disposed closer to the object side, as compared to the first lens, and having a reflecting surface configured to change a path of light to be incident to the first to fourth lenses. The first to fourth lenses are disposed to be spaced apart from each other by a preset distance along the optical axis, and 1.3<TTL/BFL<3.5, where TTL is a distance from an object-side surface of the first lens to an imaging plane of an image sensor, and BFL is a distance from an image-side surface of the fourth lens to the imaging plane of the image sensor.Type: GrantFiled: November 23, 2020Date of Patent: May 23, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ho Sik Yoo, Dong Shin Yang, Yong Joo Jo, Sot Eum Seo
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Patent number: 11644647Abstract: An optical imaging system 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 0.5<L1234TRavg/L7TR<0.9, where L1234TRavg is an average value of overall outer diameters of the first to fourth lenses, L7TR is an overall outer diameter of the seventh lens, and L1234TRavg and L7TR are expressed in a same unit of measurement.Type: GrantFiled: May 29, 2019Date of Patent: May 9, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Il Yong Park, Dong Shin Yang, Yong Joo Jo, Ga Young An
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Patent number: 11609361Abstract: A lens assembly includes a lens including an optical portion refracting light and a flange portion extending along a portion of a circumference of the optical portion, a blocking member disposed in front of the lens and having an opening to allow light to be incident on the lens, and a lens barrel accommodating the lens. The optical portion is noncircular and a portion of the blocking member facing the optical portion in an optical axis direction is located to be higher than a portion of the blocking member facing the flange portion in the optical axis direction.Type: GrantFiled: June 15, 2022Date of Patent: March 21, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Shin Yang, Tae Su Choi, Sot Eum Seo, Ju Sung Park
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Publication number: 20220413282Abstract: A spacer includes an outer circumferential surface in contact with a lens barrel, and an inner circumferential surface forming a hole for controlling an amount of light, a first length of the hole in a first direction, intersecting an optical axis, and a second length of the hole in a second direction, intersecting the optical axis, are different from each other, and a first distance from the outer circumferential surface to the inner circumferential surface, extended in the first direction, is less than a second distance from the outer circumferential surface to the inner circumferential surface, extended in the second direction.Type: ApplicationFiled: August 30, 2022Publication date: December 29, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Shin YANG, In Gun KIM, Sot Eum SEO, Ju Sung PARK
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Publication number: 20220350115Abstract: An optical imaging system includes a first lens having positive refractive power, a second lens, a third lens, and a fourth lens, arranged sequentially from an object side along an optical axis. The first lens through the fourth lens are spaced apart from each other along the optical axis in a paraxial region. A total focal length f of a lens unit including the first lens through the fourth lens and half (IMG HT) of a diagonal length of an imaging surface of an image sensor satisfy f/IMG HT>4.9. An effective aperture radius of an object-side surface of the first lens and an effective aperture radius of an object-side surface of the second lens are both greater than effective aperture radii of an object-side surface and an image-side surface of each of the lenses other than the first lens and the second lens.Type: ApplicationFiled: July 11, 2022Publication date: November 3, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ho Sik YOO, Dong Shin YANG
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Patent number: 11460692Abstract: A spacer includes an outer circumferential surface in contact with a lens barrel, and an inner circumferential surface forming a hole for controlling an amount of light, a first length of the hole in a first direction, intersecting an optical axis, and a second length of the hole in a second direction, intersecting the optical axis, are different from each other, and a first distance from the outer circumferential surface to the inner circumferential surface, extended in the first direction, is less than a second distance from the outer circumferential surface to the inner circumferential surface, extended in the second direction.Type: GrantFiled: January 28, 2020Date of Patent: October 4, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Shin Yang, In Gun Kim, Sot Eum Seo, Ju Sung Park
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Publication number: 20220308267Abstract: A lens assembly includes a lens including an optical portion refracting light and a flange portion extending along a portion of a circumference of the optical portion, a blocking member disposed in front of the lens and having an opening to allow light to be incident on the lens, and a lens barrel accommodating the lens. The optical portion is noncircular and a portion of the blocking member facing the optical portion in an optical axis direction is located to be higher than a portion of the blocking member facing the flange portion in the optical axis direction.Type: ApplicationFiled: June 15, 2022Publication date: September 29, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Shin YANG, Tae Su CHOI, Sot Eum SEO, Ju Sung PARK
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Patent number: 11425291Abstract: A camera module includes: a lens module including a plurality of lenses; a housing accommodating the lens module; a reflection module disposed in front of the lens module; an image sensor module configured to receive light passing through the lens module; and a light blocking portion disposed in the housing and positioned in a space between the lens module and the image sensor module. The light blocking portion includes: a first light blocking plate including a first window having a first opening through which the light is allowed to pass; and a second light blocking plate including a second window having a second opening through which the light is allowed to pass. The first window includes a first inner wall including a first inclined surface, and the second window includes a second inner wall including a second inclined surface.Type: GrantFiled: January 29, 2021Date of Patent: August 23, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Seung Hyeon Jeong, Sung Hoon Kim, Sung Taek Oh, Dong Shin Yang, Ho Sik Yoo
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Patent number: 11415776Abstract: An optical imaging system includes a first lens having positive refractive power, a second lens, a third lens, and a fourth lens, arranged sequentially from an object side along an optical axis. The first lens through the fourth lens are spaced apart from each other along the optical axis in a paraxial region. A total focal length f of a lens unit including the first lens through the fourth lens and half (IMG HT) of a diagonal length of an imaging surface of an image sensor satisfy f/IMG HT>4.9. An effective aperture radius of an object-side surface of the first lens and an effective aperture radius of an object-side surface of the second lens are both greater than effective aperture radii of an object-side surface and an image-side surface of each of the lenses other than the first lens and the second lens.Type: GrantFiled: August 15, 2019Date of Patent: August 16, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ho Sik Yoo, Dong Shin Yang
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Publication number: 20220252845Abstract: An optical imaging system includes: a first lens having a concave image-side surface; a second lens having refractive power; a third lens having a concave image-side surface; a fourth lens having a concave object-side surface or a convex image-side surface; a fifth lens having refractive power; a sixth lens having a concave image-side surface; and a seventh lens having negative refractive power. The first to seventh lenses are sequentially disposed from an object side and 1.62<(N2+N5+N6)/3, where N2 is a refractive index of the second lens, N5 is a refractive index of the fifth lens, and N6 is a refractive index of the sixth lens.Type: ApplicationFiled: April 19, 2022Publication date: August 11, 2022Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ho Sik YOO, Dong Shin YANG, Yong Joo JO, Sot Eum SEO
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Patent number: 11391868Abstract: A lens assembly includes a lens including an optical portion refracting light and a flange portion extending along a portion of a circumference of the optical portion, a blocking member disposed in front of the lens and having an opening to allow light to be incident on the lens, and a lens barrel accommodating the lens. The optical portion is noncircular and a portion of the blocking member facing the optical portion in an optical axis direction is located to be higher than a portion of the blocking member facing the flange portion in the optical axis direction.Type: GrantFiled: January 7, 2021Date of Patent: July 19, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Dong Shin Yang, Tae Su Choi, Sot Eum Seo, Ju Sung Park