Patents by Inventor Ju-hwa Son

Ju-hwa Son 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).

  • Lens module
    Patent number: 11506870
    Abstract: A lens module includes first to seventh lenses each having refractive power and sequentially disposed in numerical order from the first lens to the seventh lens starting from an object side of the lens module, wherein each of the first and second lenses has a meniscus shape and an image-side surface that is convex, and the seventh lens has one or more inflection points on an image-side surface thereof.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: November 22, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa Son
  • IMAGING LENS SYSTEM
    Publication number: 20220350118
    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. In the imaging lens system, the first lens has positive refractive power and an object-side surface of the first lens is concave. A field of view of the imaging lens system is 100 degrees or more. In the imaging lens system, a distance TTL from the object-side surface of the first lens to an imaging plane and a height ImgH of the imaging plane satisfy TTL/ImgH<1.5.
    Type: Application
    Filed: July 6, 2022
    Publication date: November 3, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Hyun JANG, Ki Jin NAM, Yong Joo JO, Phil Ho JUNG, Ju Hwa SON
  • OPTICAL IMAGING SYSTEM
    Publication number: 20220326484
    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 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 1<?f123457-f?/f, where f123457 is a composite focal length of the first to seventh lenses calculated with an index of refraction of the sixth lens set to 1.0, f is an overall focal length of the optical imaging system, and f123457 and f are expressed in a same unit of measurement.
    Type: Application
    Filed: June 17, 2022
    Publication date: October 13, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa SON, Min Hyuk IM, Yong Joo JO, Ga Young AN
  • OPTICAL SYSTEM
    Publication number: 20220291487
    Abstract: An optical system includes a first lens having negative refractive power and having two concave surfaces, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power, and a seventh lens having refractive power. The first to seventh lenses are sequentially disposed from an object side.
    Type: Application
    Filed: June 3, 2022
    Publication date: September 15, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa SON
  • OPTICAL IMAGING SYSTEM
    Publication number: 20220252830
    Abstract: 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 from an object side. The third lens and the sixth lens have positive refractive power, and an f-number (F No.) of the optical imaging system is 1.7 or less.
    Type: Application
    Filed: April 26, 2022
    Publication date: August 11, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa SON, Ki Jin NAM, Ju Sung PARK, Yong Joo JO
  • OPTICAL IMAGING SYSTEM
    Publication number: 20220252832
    Abstract: An optical imaging system includes a first lens having a positive refractive power; a second lens having a refractive power; a third lens having a refractive power; a fourth lens having a refractive power and a concave image-side surface; a fifth lens having a refractive power; a sixth lens having a refractive power; a seventh lens having a refractive power; and an eighth lens having a refractive power and a concave object-side surface, wherein the first to eighth lenses are 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.
    Type: Application
    Filed: April 22, 2022
    Publication date: August 11, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa SON, Min Hyuk IM, Ga Young AN, Yong Joo JO
  • OPTICAL IMAGING SYSTEM
    Publication number: 20220244506
    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 arranged along an optical axis from an object side toward an image side. The fifth lens has a positive refractive power, a focal length of the fifth lens is smaller than an overall focal length of the optical imaging system, and ?0.38?R10/f??0.32, where R10 is a radius of curvature of an image-side surface of the fifth lens and f is the overall focal length of the optical imaging system.
    Type: Application
    Filed: April 22, 2022
    Publication date: August 4, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa SON, In Gun KIM, Yong Joo JO, Ju Sung PARK
  • Optical system
    Patent number: 11378784
    Abstract: An optical system includes a first lens having negative refractive power and having two concave surfaces, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power, and a seventh lens having refractive power. The first to seventh lenses are sequentially disposed from an object side.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: July 5, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa Son
  • Optical imaging system
    Patent number: 11366288
    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 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 1<|f123457?f|/f, where f123457 is a composite focal length of the first to seventh lenses calculated with an index of refraction of the sixth lens set to 1.0, f is an overall focal length of the optical imaging system, and f123457 and f are expressed in a same unit of measurement.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: June 21, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa Son, Min Hyuk Im, Yong Joo Jo, Ga Young An
  • Optical imaging system
    Patent number: 11347028
    Abstract: 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 from an object side. The third lens and the sixth lens have positive refractive power, and an f-number (F No.) of the optical imaging system is 1.7 or less.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: May 31, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa Son, Ki Jin Nam, Ju Sung Park, Yong Joo Jo
  • Optical imaging system
    Patent number: 11340429
    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 arranged along an optical axis from an object side toward an image side. The fifth lens has positive refractive power, a focal length of the fifth lens is smaller than an overall focal length of the optical imaging system, and ?0.38?R10/f??0.32, where R10 is a radius of curvature of an image-side surface of the fifth lens and f is the overall focal length of the optical imaging system.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: May 24, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa Son, In Gun Kim, Yong Joo Jo, Ju Sung Park
  • Optical imaging system
    Patent number: 11340424
    Abstract: An optical imaging system includes a first lens having a positive refractive power; a second lens having a refractive power; a third lens having a refractive power; a fourth lens having a refractive power and a concave image-side surface; a fifth lens having a refractive power; a sixth lens having a refractive power; a seventh lens having a refractive power; and an eighth lens having a refractive power and a concave object-side surface, wherein the first to eighth lenses are 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.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: May 24, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa Son, Min Hyuk Im, Ga Young An, Yong Joo Jo
  • CAMERA MODULE
    Publication number: 20220128888
    Abstract: A camera module is provided. The camera module includes a first lens group including a foremost lens disposed closest to an object; a second lens group including a rearmost lens disposed closest to an imaging plane; and a lens barrel in which a first accommodation space and a second accommodating space are formed, the first accommodation space configured to accommodate the first lens group therein, and the second accommodating space configured to accommodate the second lens group therein. The second accommodation space may become narrower from an object side toward the imaging plane.
    Type: Application
    Filed: January 14, 2021
    Publication date: April 28, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Gi LEE, Ju Hwa SON, Jong Ho AHN
  • OPTICAL IMAGING SYSTEM
    Publication number: 20220121015
    Abstract: 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 arranged from an object side to an imaging plane. An angle of view of the optical system is 82 degrees or more. A constant indicating brightness of the optical system, F-number, is less than 1.8.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Ju Hwa SON
  • OPTICAL IMAGING SYSTEM
    Publication number: 20220113499
    Abstract: An optical imaging system includes 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. The first lens has refractive power having a sign different from a sign of refractive power of the second lens. One of an image-side surface of the fifth lens and an object-side surface of the sixth lens is convex, and the other is concave. One of the fourth to sixth lenses has both surfaces having a freeform surface shape.
    Type: Application
    Filed: January 13, 2021
    Publication date: April 14, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Hyun JANG, Jae Hyuk HUH, Ju Hwa SON, Jin Hwa JUNG, Yong Joo JO, Phil Ho JUNG
  • OPTICAL IMAGING SYSTEM
    Publication number: 20220091396
    Abstract: An optical imaging 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 optical imaging system, and a refractive index of at least one of the lenses is 1.67 or greater.
    Type: Application
    Filed: December 7, 2021
    Publication date: March 24, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Hui KO, Ju Hwa SON, Yong Joo JO
  • OPTICAL IMAGING SYSTEM
    Publication number: 20220091394
    Abstract: An optical imaging system includes a first lens having refractive power, a second lens having refractive power and having a convex object-side surface, a third lens having refractive power and having a convex object-side surface, a fourth lens having refractive power, a fifth lens having refractive power, and a sixth lens having negative refractive power. The optical imaging system satisfies 100°?FOV, and ?2.0<{IMGHT/(f*tan(FOV/2))?1}*100<2.0, where FOV is a field of view of the optical imaging system, IMGHT is half of a diagonal length of an imaging plane, and f is a focal length of the optical imaging system.
    Type: Application
    Filed: January 7, 2021
    Publication date: March 24, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Hyun JANG, Dong Hyuk JANG, Ju Hwa SON, Yong Joo JO
  • IMAGING LENS SYSTEM
    Publication number: 20220057604
    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. In the imaging lens system, TTL/2ImgHT is less than 0.640, where TTL is an axial distance between an object-side surface of the first lens and an imaging plane and 2ImgHT is a diagonal length of the imaging plane.
    Type: Application
    Filed: January 28, 2021
    Publication date: February 24, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ju Hwa SON, You Jin JEONG, In Gun KIM, Yong Joo JO, Ju Sung Park
  • TELESCOPIC OPTICAL IMAGING SYSTEM
    Publication number: 20220050275
    Abstract: An optical imaging system includes a first lens which has refractive power, a second lens which has refractive power, a third lens which has a convex object-side surface, and an inflection point is formed on an image-side surface thereof, a fourth lens which has refractive power, a fifth lens which has a convex object-side surface, and a sixth lens which has refractive power and an inflection point is formed on an image-side surface thereof, and wherein the first to sixth lens are sequentially disposed from an object side.
    Type: Application
    Filed: October 27, 2021
    Publication date: February 17, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jung Hui KO, Ju Hwa SON, Ju Sung PARK, Yong Joo JO
  • Optical imaging system
    Patent number: 11237363
    Abstract: 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 arranged from an object side to an imaging plane. An angle of view of the optical system is 82 degrees or more. A constant indicating brightness of the optical system, F-number, is less than 1.8.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: February 1, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa Son