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).

  • Patent number: 11092779
    Abstract: 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: Grant
    Filed: December 16, 2019
    Date of Patent: August 17, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-keun Kwak, Jung-pa Seo, Byung-kwon Kang
  • Publication number: 20210048617
    Abstract: 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: Application
    Filed: October 30, 2020
    Publication date: February 18, 2021
    Inventors: Byung-kwon KANG, Liefeng ZHAO
  • Patent number: 10838172
    Abstract: 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: Grant
    Filed: August 22, 2016
    Date of Patent: November 17, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-kwon Kang, Liefeng Zhao
  • Publication number: 20200116978
    Abstract: 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: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Inventors: Ho-keun KWAK, Jung-pa SEO, Byung-kwon KANG
  • Patent number: 10598890
    Abstract: 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: Grant
    Filed: December 2, 2016
    Date of Patent: March 24, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Yong Kim, Byung-Kwon Kang, Hyun-Jun Shin
  • Patent number: 10558014
    Abstract: 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: Grant
    Filed: December 13, 2017
    Date of Patent: February 11, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-keun Kwak, Jung-pa Seo, Byung-kwon Kang
  • Patent number: 10495849
    Abstract: 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: Grant
    Filed: January 17, 2017
    Date of Patent: December 3, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-kil Shin, Byung-kwon Kang, Han-eung Kim, Hyun-jun Shin, Liefeng Zhao
  • Patent number: 10401592
    Abstract: 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: Grant
    Filed: October 31, 2016
    Date of Patent: September 3, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hyun-Jun Shin, Byung-Kwon Kang, Han-Eung Kim, Jeong-Kil Shin
  • Patent number: 10197891
    Abstract: 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: Grant
    Filed: August 7, 2017
    Date of Patent: February 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung Jin Rho, Byung Kwon Kang, Young Bok Yu, Sung Wook Choi, Dong Hun Yu, Ki Huk Lee
  • Publication number: 20180307006
    Abstract: 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: Application
    Filed: August 22, 2016
    Publication date: October 25, 2018
    Inventors: Byung-kwon KANG, Liefeng ZHAO
  • Publication number: 20180164544
    Abstract: 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: Application
    Filed: December 13, 2017
    Publication date: June 14, 2018
    Inventors: Ho-keun KWAK, Jung-pa SEO, Byung-kwon KANG
  • Publication number: 20180059512
    Abstract: 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: Application
    Filed: August 7, 2017
    Publication date: March 1, 2018
    Inventors: Hyung Jin RHO, Byung Kwon KANG, Young Bok YU, Sung Wook CHOI, Dong Hun YU, Ki Huk LEE
  • Publication number: 20170235109
    Abstract: 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: Application
    Filed: January 17, 2017
    Publication date: August 17, 2017
    Inventors: Jeong-kil SHIN, Byung-kwon KANG, Han-eung KIM, Hyun-jun SHIN, Liefeng ZHAO
  • Publication number: 20170160511
    Abstract: 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: Application
    Filed: December 2, 2016
    Publication date: June 8, 2017
    Inventors: Seung-Yong Kim, Byung-Kwon Kang, Hyun-Jun Shin
  • Publication number: 20170123186
    Abstract: 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: Application
    Filed: October 31, 2016
    Publication date: May 4, 2017
    Inventors: Hyun-Jun SHIN, Byung-Kwon KANG, Han-Eung KIM, Jeong-Kil SHIN
  • Publication number: 20150219879
    Abstract: 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: Application
    Filed: November 6, 2014
    Publication date: August 6, 2015
    Inventors: Liefeng Zhao, Byung-kwon Kang
  • Patent number: 9093015
    Abstract: 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: Grant
    Filed: January 14, 2013
    Date of Patent: July 28, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kee-wook Na, Byung-kwon Kang, Shane Cho
  • Publication number: 20140267760
    Abstract: 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: Application
    Filed: December 11, 2013
    Publication date: September 18, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ki-Huk LEE, Byung-Kwon KANG, Jeong-Kil SHIN, Sun-Hyoung PYO
  • Patent number: 8755850
    Abstract: 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: Grant
    Filed: November 24, 2008
    Date of Patent: June 17, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Byung-Kwon Kang
  • Publication number: 20130265485
    Abstract: 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: Application
    Filed: March 14, 2013
    Publication date: October 10, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Byung-Kwon KANG