Patents by Inventor Byung-Kwon Kang
Byung-Kwon Kang 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: 11092779Abstract: Provided are an optical lens assembly and a method of forming an image. The optical lens assembly includes: a first lens having a convex object-side surface; a second lens having a convex object-side surface; at least one lens at an image side of the second lens; a first stop being a variable stop at an object side of the first lens; and a second stop at an image side of the first lens, wherein the second stop determines a minimum F number, and the first stop is variable to determine an F number greater than the minimum F number.Type: GrantFiled: December 16, 2019Date of Patent: August 17, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Ho-keun Kwak, Jung-pa Seo, Byung-kwon Kang
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Publication number: 20210048617Abstract: Provided are an optical lens assembly and an electronic device including the optical lens assembly. The optical lens assembly includes a front group closest to an object side and including a first lens having a positive refractive power and an image side surface that is concave, and a second lens having a negative refractive power, a third lens having a negative refractive power, and a fourth lens having a positive refractive power. Other embodiments may be provided.Type: ApplicationFiled: October 30, 2020Publication date: February 18, 2021Inventors: Byung-kwon KANG, Liefeng ZHAO
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Patent number: 10838172Abstract: Provided are an optical lens assembly and an electronic device including the optical lens assembly. The optical lens assembly includes a front group closest to an object side and including a first lens having a positive refractive power and an image side surface that is concave, and a second lens having a negative refractive power, a third lens having a negative refractive power, and a fourth lens having a positive refractive power. Other embodiments may be provided.Type: GrantFiled: August 22, 2016Date of Patent: November 17, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Byung-kwon Kang, Liefeng Zhao
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Publication number: 20200116978Abstract: Provided are an optical lens assembly and a method of forming an image. The optical lens assembly includes: a first lens having a convex object-side surface; a second lens having a convex object-side surface; at least one lens at an image side of the second lens; a first stop being a variable stop at an object side of the first lens; and a second stop at an image side of the first lens, wherein the second stop determines a minimum F number, and the first stop is variable to determine an F number greater than the minimum F number.Type: ApplicationFiled: December 16, 2019Publication date: April 16, 2020Inventors: Ho-keun KWAK, Jung-pa SEO, Byung-kwon KANG
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Patent number: 10598890Abstract: A lens assembly according to the present disclosure includes at least one lens, a spacer, and a barrel. The at least one lens having an effective region configured to refract light, a flange region formed on at least a part surrounding the effective region, and a first cut formed on a sub region of the flange region. The spacer includes a second cut formed to correspond to the first cut and is configured to maintain a distance between multiple lenses mounted in the barrel. Moreover, the barrel is configured to receive the at least one lens and the spacer, in which the lens and the spacer are disposed inside the barrel such that the first cut and the second cut correspond to a third cut formed on an outer circumferential surface of the barrel. Various embodiments of the lens assembly and an electronic device including the same are described herein.Type: GrantFiled: December 2, 2016Date of Patent: March 24, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Seung-Yong Kim, Byung-Kwon Kang, Hyun-Jun Shin
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Patent number: 10558014Abstract: Provided are an optical lens assembly and a method of forming an image. The optical lens assembly includes: a first lens having a convex object-side surface; a second lens having a convex object-side surface; at least one lens at an image side of the second lens; a first stop being a variable stop at an object side of the first lens; and a second stop at an image side of the first lens, wherein the second stop determines a minimum F number, and the first stop is variable to determine an F number greater than the minimum F number.Type: GrantFiled: December 13, 2017Date of Patent: February 11, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Ho-keun Kwak, Jung-pa Seo, Byung-kwon Kang
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Patent number: 10495849Abstract: An optical lens assembly utilized as part of an electronic device may be configured to provide a compact structure and/or a thin profile for the electronic device while maintaining high resolution, via the use of at least one lens having planar surfaces in partial portions thereof. An optical lens assembly may include at least two lenses arranged from an object side to an image side, where at least one of the at least two lenses includes an object side surface with a planar central region, an image side surface that also has a planar central region and a peripheral region having an aspherical surface. Various embodiments with differing lens arrangements are disclosed.Type: GrantFiled: January 17, 2017Date of Patent: December 3, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong-kil Shin, Byung-kwon Kang, Han-eung Kim, Hyun-jun Shin, Liefeng Zhao
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Patent number: 10401592Abstract: Disclosed is an image capturing optical system including, in order from an object side, a first lens having positive refractive power and concave upwards, a second lens having positive refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, a fifth lens having positive refractive power and including at least one inflection points on the object side or an upper surface, and a sixth lens having negative refractive power and being convex upwards.Type: GrantFiled: October 31, 2016Date of Patent: September 3, 2019Assignee: Samsung Electronics Co., LtdInventors: Hyun-Jun Shin, Byung-Kwon Kang, Han-Eung Kim, Jeong-Kil Shin
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Patent number: 10197891Abstract: An electronic device is provided. The electronic device includes an image sensor for capturing an image; a barrel including a lens group arranged about a first axis perpendicular to the image sensor, a first housing fixed to the barrel; a second housing disposed under the first housing and coupled to the first housing; at least one magnetic substance disposed at one side of the first housing; and at least one coil disposed at one side of the second housing. When power is supplied to the at least one coil, electromagnetic force is generated between the at least one coil and the at least one magnetic substance. And if the electromagnetic force is generated, the first housing rotates clockwise or counterclockwise, and the barrel moves along the first axis.Type: GrantFiled: August 7, 2017Date of Patent: February 5, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Hyung Jin Rho, Byung Kwon Kang, Young Bok Yu, Sung Wook Choi, Dong Hun Yu, Ki Huk Lee
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Publication number: 20180307006Abstract: Provided are an optical lens assembly and an electronic device including the optical lens assembly. The optical lens assembly includes a front group closest to an object side and including a first lens having a positive refractive power and an image side surface that is concave, and a second lens having a negative refractive power, a third lens having a negative refractive power, and a fourth lens having a positive refractive power. Other embodiments may be provided.Type: ApplicationFiled: August 22, 2016Publication date: October 25, 2018Inventors: Byung-kwon KANG, Liefeng ZHAO
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Publication number: 20180164544Abstract: Provided are an optical lens assembly and a method of forming an image. The optical lens assembly includes: a first lens having a convex object-side surface; a second lens having a convex object-side surface; at least one lens at an image side of the second lens; a first stop being a variable stop at an object side of the first lens; and a second stop at an image side of the first lens, wherein the second stop determines a minimum F number, and the first stop is variable to determine an F number greater than the minimum F number.Type: ApplicationFiled: December 13, 2017Publication date: June 14, 2018Inventors: Ho-keun KWAK, Jung-pa SEO, Byung-kwon KANG
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Publication number: 20180059512Abstract: An electronic device is provided. The electronic device includes an image sensor for capturing an image; a barrel including a lens group arranged about a first axis perpendicular to the image sensor, a first housing fixed to the barrel; a second housing disposed under the first housing and coupled to the first housing; at least one magnetic substance disposed at one side of the first housing; and at least one coil disposed at one side of the second housing. When power is supplied to the at least one coil, electromagnetic force is generated between the at least one coil and the at least one magnetic substance. And if the electromagnetic force is generated, the first housing rotates clockwise or counterclockwise, and the barrel moves along the first axis.Type: ApplicationFiled: August 7, 2017Publication date: March 1, 2018Inventors: Hyung Jin RHO, Byung Kwon KANG, Young Bok YU, Sung Wook CHOI, Dong Hun YU, Ki Huk LEE
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Publication number: 20170235109Abstract: An optical lens assembly utilized as part of an electronic device may be configured to provide a compact structure and/or a thin profile for the electronic device while maintaining high resolution, via the use of at least one lens having planar surfaces in partial portions thereof. An optical lens assembly may include at least two lenses arranged from an object side to an image side, where at least one of the at least two lenses includes an object side surface with a planar central region, an image side surface that also has a planar central region and a peripheral region having an aspherical surface. Various embodiments with differing lens arrangements are disclosed.Type: ApplicationFiled: January 17, 2017Publication date: August 17, 2017Inventors: Jeong-kil SHIN, Byung-kwon KANG, Han-eung KIM, Hyun-jun SHIN, Liefeng ZHAO
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Publication number: 20170160511Abstract: A lens assembly according to the present disclosure includes at least one lens, a spacer, and a barrel. The at least one lens having an effective region configured to refract light, a flange region formed on at least a part surrounding the effective region, and a first cut formed on a sub region of the flange region. The spacer includes a second cut formed to correspond to the first cut and is configured to maintain a distance between multiple lenses mounted in the barrel. Moreover, the barrel is configured to receive the at least one lens and the spacer, in which the lens and the spacer are disposed inside the barrel such that the first cut and the second cut correspond to a third cut formed on an outer circumferential surface of the barrel. Various embodiments of the lens assembly and an electronic device including the same are described herein.Type: ApplicationFiled: December 2, 2016Publication date: June 8, 2017Inventors: Seung-Yong Kim, Byung-Kwon Kang, Hyun-Jun Shin
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Publication number: 20170123186Abstract: Disclosed is an image capturing optical system including, in order from an object side, a first lens having positive refractive power and concave upwards, a second lens having positive refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, a fifth lens having positive refractive power and including at least one inflection points on the object side or an upper surface, and a sixth lens having negative refractive power and being convex upwards.Type: ApplicationFiled: October 31, 2016Publication date: May 4, 2017Inventors: Hyun-Jun SHIN, Byung-Kwon KANG, Han-Eung KIM, Jeong-Kil SHIN
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Publication number: 20150219879Abstract: Provided are a photographic lens and an electronic apparatus including the photographic lens. The photographic lens includes a first lens having a negative refractive power; a second lens having a positive refractive power; a third lens having a negative refractive power and an image-side surface that is concave toward an image-side; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power. The first, second, third, fourth, and fifth lenses are arranged sequentially from an object-side to the image-side. Each of the first, second, third, fourth, and fifth lenses has at least one aspherical surface.Type: ApplicationFiled: November 6, 2014Publication date: August 6, 2015Inventors: Liefeng Zhao, Byung-kwon Kang
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Patent number: 9093015Abstract: Embodiments disclose a display apparatus including: an image processing device which processes an image signal; a display device which displays an image based on the processed image signal; a connection device which connects to an upgrade apparatus which processes the image signal; a power supply device which supplies power to each component of the display apparatus and the upgrade apparatus through the connection device; and a first controller which controls the connection device to receive the processed image signal from the upgrade apparatus when the upgrade apparatus is connected through the connection device, wherein the power supply device is controlled by the upgrade apparatus connected through the connection device.Type: GrantFiled: January 14, 2013Date of Patent: July 28, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kee-wook Na, Byung-kwon Kang, Shane Cho
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Publication number: 20140267760Abstract: An electronic device comprises a camera module comprising an infrared light filter for blocking infrared light and passing visible light. The infrared light filter comprises a filtering area, a peripheral area adjacent and peripheral to the filtering area and an opaque coating layer coating the infrared light filter in the peripheral area and blocking external light introduced into an image sensor and reducing flare artifacts.Type: ApplicationFiled: December 11, 2013Publication date: September 18, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: Ki-Huk LEE, Byung-Kwon KANG, Jeong-Kil SHIN, Sun-Hyoung PYO
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Patent number: 8755850Abstract: Provided are a mobile communication terminal and a photography method for the same using a conversion lens. The mobile communication terminal includes a terminal body, a camera assembly installed at one side of the terminal body and a conversion lens detachably installed on a front surface of the camera assembly, wherein product data of the conversion lens mounted on the camera assembly are automatically identified and a microcomputer installed in the terminal body automatically adjusts a photography mode such that a special photography mode is entered without requiring any professional knowledge.Type: GrantFiled: November 24, 2008Date of Patent: June 17, 2014Assignee: Samsung Electronics Co., Ltd.Inventor: Byung-Kwon Kang
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Publication number: 20130265485Abstract: A plenoptic camera apparatus includes a main lens unit configured to collect rays emitted from a subject. The plenoptic camera apparatus includes an image sensor unit adapted to capture images formed from the collected rays through one or more convertible lens device units. The convertible lens device units are positioned between the main lens unit and the image sensor unit and configured to provide individual curvature adjustment. The plenoptic camera apparatus includes a control unit configured to control the convertible lens device units to switch to a high-resolution imaging lens or a plenoptic imaging lens array, based on a user's selection, and control driving of the convertible lens device units to compensate for a partial aberration caused by the main lens unit.Type: ApplicationFiled: March 14, 2013Publication date: October 10, 2013Applicant: Samsung Electronics Co., Ltd.Inventor: Byung-Kwon KANG