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: 20240045181
    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: October 19, 2023
    Publication date: February 8, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min CHAE
  • Patent number: 11885942
    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: Grant
    Filed: August 17, 2022
    Date of Patent: January 30, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hag Chul Kim, Hyuk Joo Kim, Kyu Min Chae
  • Patent number: 11874447
    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: Grant
    Filed: October 8, 2021
    Date of Patent: January 16, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hag Chul Kim, Kyu Min Chae, Hyuk Joo Kim
  • Patent number: 11828921
    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: March 13, 2023
    Date of Patent: November 28, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min Chae
  • Publication number: 20230280566
    Abstract: An image capturing lens system includes a first lens having negative refractive power, a second lens having positive refractive power while having a convex object-side surface, a third lens having positive refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power with a concave object-side surface and a concave image-side surface, and a sixth lens having positive refractive power.
    Type: Application
    Filed: May 15, 2023
    Publication date: September 7, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyu Min CHAE, Sot Eum SEO
  • Publication number: 20230273407
    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: March 13, 2023
    Publication date: August 31, 2023
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min CHAE
  • Publication number: 20230244062
    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: April 3, 2023
    Publication date: August 3, 2023
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyu Min CHAE, Hyo Jin HWANG, Hwan Soo PARK
  • Publication number: 20230204926
    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: February 21, 2023
    Publication date: June 29, 2023
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min CHAE
  • Patent number: 11686920
    Abstract: An image capturing lens system includes a first lens having negative refractive power, a second lens having positive refractive power while having a convex object-side surface, a third lens having positive refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power with a concave object-side surface and a concave image-side surface, and a sixth lens having positive refractive power.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: June 27, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyu Min Chae, Sot Eum Seo
  • Patent number: 11650397
    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: February 10, 2020
    Date of Patent: May 16, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyu Min Chae, Hyo Jin Hwang, Hwan Soo Park
  • Patent number: 11630285
    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: May 12, 2020
    Date of Patent: April 18, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min Chae
  • Patent number: 11614603
    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: June 24, 2021
    Date of Patent: March 28, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min Chae
  • Publication number: 20230059118
    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, sequentially disposed from an object side. The third lens has a refractive index temperature coefficient of 2.2 to 3.5 [10?6/° C.], and 0<f34*0.8<f, where f is a focal length of the imaging lens system and f34 is a composite focal length of the third lens and the fourth lens.
    Type: Application
    Filed: March 8, 2022
    Publication date: February 23, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyuk Joo KIM, Kyu Min CHAE, Hwan Soo PARK
  • Publication number: 20220390721
    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: August 17, 2022
    Publication date: December 8, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hag Chul KIM, Hyuk Joo KIM, Kyu Min CHAE
  • Publication number: 20220317420
    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: July 19, 2021
    Publication date: October 6, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyu Min CHAE, Eun Chong LEE
  • Patent number: 11448857
    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: Grant
    Filed: August 22, 2018
    Date of Patent: September 20, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hag Chul Kim, Hyuk Joo Kim, Kyu Min Chae
  • Publication number: 20220269033
    Abstract: An optical imaging system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens disposed in order from an object side, wherein one or more of the first to sixth lenses is disposed between a stop and an imaging plane and of those, one or more has positive refractive power and one is made of a glass material, and four or more of the first to sixth lenses are made of a plastic material.
    Type: Application
    Filed: May 9, 2022
    Publication date: August 25, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyu Min CHAE, Eun Chong LEE
  • Patent number: 11360285
    Abstract: An optical imaging system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens disposed in order from an object side, wherein one or more of the first to sixth lenses is disposed between a stop and an imaging plane and of those, one or more has positive refractive power and one is made of a glass material, and four or more of the first to sixth lenses are made of a plastic material.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: June 14, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyu Min Chae, Eun Chong Lee
  • Publication number: 20220146788
    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 27, 2022
    Publication date: May 12, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min CHAE
  • Patent number: 11269160
    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: March 27, 2019
    Date of Patent: March 8, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min Chae