Patents by Inventor Kyu Min Chae

Kyu Min Chae 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).

  • Publication number: 20250138273
    Abstract: An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens, sequentially arranged from an object side. The seventh lens has a convex image-side surface, the eighth lens has positive refractive power, and the imaging lens system satisfies the following conditional expression: 1.10<f3/f<1.40, where f is a focal length of the imaging lens system, and f3 is a focal length of the third lens.
    Type: Application
    Filed: September 16, 2024
    Publication date: May 1, 2025
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min CHAE
  • Publication number: 20250130402
    Abstract: An imaging lens 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. The imaging lens system satisfies the following conditional expressions: ?2.6<f1/f6<?2.0, and 0.26?f/f4?0.32, where f is a focal length of the imaging lens system, f1 is a focal length of the first lens, f4 is a focal length of the fourth lens, and f6 is a focal length of the sixth lens.
    Type: Application
    Filed: August 21, 2024
    Publication date: April 24, 2025
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyuk Joo KIM, Eun Chong LEE, Kyu Min CHAE
  • Publication number: 20250093626
    Abstract: A lens module may include a first lens having positive refractive power; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having negative refractive power; and a seventh lens having refractive power and one or more inflection points formed in locations thereof not crossing an optical axis, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are disposed in a sequential order from the first lens to the seventh lens.
    Type: Application
    Filed: December 4, 2024
    Publication date: March 20, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Kyu Min CHAE
  • Publication number: 20250093624
    Abstract: A lens module includes: a first lens having negative refractive power; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having negative refractive power; a fifth lens of which an object-side surface is concave; and a sixth lens having one or more inflection points on an image-side surface thereof, wherein the first to sixth lenses are sequentially disposed from an object side of the lens module to an image side of the lens module.
    Type: Application
    Filed: December 2, 2024
    Publication date: March 20, 2025
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min CHAE
  • Publication number: 20250060568
    Abstract: 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 from an object side. The optical imaging system satisfies |Pnu|[10?6° C.?1 mm?1]?30, where Pnu is ?Pnui in which i=1, 2, . . . , 7, Pnui is 1/(vti·fi), vti is [DTni/(ni?1)?CTEi]?1, fi is an effective focal length of an i-th lens, ni is a refractive index of the i-th lens, DTni is a rate (dni/dT) of change of the refractive index according to a temperature of the i-th lens, and CTEi is a thermal expansion coefficient of the i-th lens.
    Type: Application
    Filed: November 1, 2024
    Publication date: February 20, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyu Min CHAE, Eun Chong LEE
  • Patent number: 12196918
    Abstract: A lens module may include a first lens having positive refractive power; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having negative refractive power; and a seventh lens having refractive power and one or more inflection points formed in locations thereof not crossing an optical axis, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are disposed in a sequential order from the first lens to the seventh lens.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: January 14, 2025
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min Chae
  • Publication number: 20250013018
    Abstract: A lens module includes lenses sequentially arranged from an object side toward an image plane sensor and having respective refractive powers. A second lens of the lenses has a convex object-side surface and a convex image-side surface. A first lens and a third lens of the lenses are symmetrical to each other in relation to the second lens.
    Type: Application
    Filed: September 23, 2024
    Publication date: January 9, 2025
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min CHAE
  • Patent number: 12181641
    Abstract: A lens module includes: a first lens having negative refractive power; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having negative refractive power; a fifth lens of which an object-side surface is concave; and a sixth lens having one or more inflection points on an image-side surface thereof, wherein the first to sixth lenses are sequentially disposed from an object side of the lens module to an image side of the lens module.
    Type: Grant
    Filed: February 21, 2023
    Date of Patent: December 31, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min Chae
  • Patent number: 12164083
    Abstract: 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 from an object side. The optical imaging system satisfies |Pnu|[10?6° C.?1 mm?1]?30, where Pnu is ?Pnui in which i=1, 2, . . . , 7, Pnui is 1/(vti·fi), vti is [DTni/(ni?1)?CTEi]?1, fi is an effective focal length of an i-th lens, ni is a refractive index of the i-th lens, DTni is a rate (dni/dT) of change of the refractive index according to a temperature of the i-th lens, and CTEi is a thermal expansion coefficient of the i-th lens.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: December 10, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyu Min Chae, Eun Chong Lee
  • Publication number: 20240361573
    Abstract: 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, and a stop disposed on an image side of one of the first to sixth lenses, and one or more of the second to seventh lenses, disposed on an image side of the stop, each has a positive refractive power and a negative refractive index temperature coefficient.
    Type: Application
    Filed: July 8, 2024
    Publication date: October 31, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyu Min CHAE, Hyo Jin HWANG, Hwan Soo PARK
  • Patent number: 12130414
    Abstract: A lens module includes lenses sequentially arranged from an object side toward an image plane sensor and having respective refractive powers. A second lens of the lenses has a convex object-side surface and a convex image-side surface. A first lens and a third lens of the lenses are symmetrical to each other in relation to the second lens.
    Type: Grant
    Filed: October 19, 2023
    Date of Patent: October 29, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min Chae
  • Publication number: 20240345369
    Abstract: An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens, sequentially arranged from an object side. Each of the second lens and the third lens has a positive refractive power. The imaging lens system satisfies conditional expression: |L3DTn|<10.0 [10?6/° C.], where L3DTn is a change rate in refractive index according to a change in temperature of the third lens.
    Type: Application
    Filed: January 19, 2024
    Publication date: October 17, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Kyu Min CHAE
  • Patent number: 12072554
    Abstract: 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, and a stop disposed on an image side of one of the first to sixth lenses, and one or more of the second to seventh lenses, disposed on an image side of the stop, each has a positive refractive power and a negative refractive index temperature coefficient.
    Type: Grant
    Filed: April 3, 2023
    Date of Patent: August 27, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyu Min Chae, Hyo Jin Hwang, Hwan Soo Park
  • Publication number: 20240168259
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens having a convex image-side surface, a sixth lens, and a seventh lens disposed in order from an object side, and a distance from the image-side surface of the fifth lens to an object-side surface of the sixth lens is shorter than a distance from an image-side surface of the sixth lens to an object-side surface of the seventh lens.
    Type: Application
    Filed: January 31, 2024
    Publication date: May 23, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min CHAE
  • Publication number: 20240142744
    Abstract: A lens module is provided. The lens module includes a first lens, a second lens, and a third lens sequentially disposed from an object side to an imaging side, a first spacing member disposed between the first lens and the second lens and having a first passage extending in a direction that intersects an optical axis, a second spacing member disposed between the second lens and the third lens and having a second passage extending in a direction that intersects the optical axis, and a lens barrel configured to accommodate the first lens, the second lens, the third lens, the first spacing member and the second spacing member, and configured to have a first connection passage disposed on an inner side surface and connected to the first passage and the second passage.
    Type: Application
    Filed: September 6, 2023
    Publication date: May 2, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Eun Chong LEE, Hwan Soo PARK, Kyu Min CHAE, Hyuk Joo KIM
  • Publication number: 20240134157
    Abstract: An optical imaging system includes a first lens having negative refractive power, a second lens having negative refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The first to seventh lenses are sequentially disposed from an object side toward an image side. The third lens and the seventh lens are formed of plastic, and the first lens, the second lens, the fourth lens, the fifth lens, and the sixth lens are formed of glass.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 25, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hag Chul KIM, Hyuk Joo KIM, Kyu Min CHAE
  • Publication number: 20240118521
    Abstract: An image capturing 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 sequentially arranged from an object side toward an image side. One or more of the lenses is an aspherical lens made of a glass material, and the sixth lens has positive refractive power.
    Type: Application
    Filed: December 5, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hag Chul KIM, Kyu Min CHAE, Hyuk Joo KIM
  • Publication number: 20240118518
    Abstract: An imaging lens system includes a first lens having negative refractive power, a second lens having refractive power, a third lens having refractive power, a fourth lens having positive refractive power, a fifth lens having a concave object-side surface, a sixth lens having a convex object-side surface, a seventh lens having refractive power, and an eighth lens having refractive power, wherein the first to eighth lenses are sequentially disposed at intervals from the object-side surface, wherein the imaging lens system satisfies the following conditional expression: 0.170<ImgHT/TTL<0.182 where ImgHT is a height of an imaging plane and TTL is a distance from an object-side surface of the first lens to the imaging plane.
    Type: Application
    Filed: July 20, 2023
    Publication date: April 11, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Da Ye LEE, Hyuk Joo KIM, Kyu Min CHAE
  • Patent number: 11927828
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens having a convex image-side surface, a sixth lens, and a seventh lens disposed in order from an object side, and a distance from the image-side surface of the fifth lens to an object-side surface of the sixth lens is shorter than a distance from an image-side surface of the sixth lens to an object-side surface of the seventh lens.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: March 12, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min Chae
  • Publication number: 20240069249
    Abstract: A lens includes a lens unit having a refractive power; and a first coating layer and a second coating layer formed on either one or both of an object-side surface and an image-side surface of the lens unit in an optical axis direction of the lens unit, wherein a first refractive index of the first coating layer is greater than a second refractive index of the second coating layer.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 29, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyuk Joo KIM, Kyu Min CHAE