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).

  • OPTICAL IMAGING SYSTEM
    Publication number: 20190250378
    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 in numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system and each having a refractive power, wherein an entire field of view of the optical imaging system is 50° or greater, and TTL/f<1.0, where TTL is a distance from an object-side surface of the first lens to the imaging plane, and f is an overall focal length of the optical imaging system.
    Type: Application
    Filed: October 5, 2018
    Publication date: August 15, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa SON, Jong Gi LEE, Yong Joo JO, Ju Sung PARK
  • OPTICAL IMAGING SYSTEM
    Publication number: 20190235208
    Abstract: An optical imaging system includes a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, and a sixth lens having a negative refractive power. The first to sixth lenses are sequentially disposed from an object side to an imaging plane. An Abbe number of the second lens is 21 or less.
    Type: Application
    Filed: April 5, 2019
    Publication date: August 1, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa SON
  • OPTICAL IMAGING SYSTEM
    Publication number: 20190227282
    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: Application
    Filed: November 12, 2018
    Publication date: July 25, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa SON, In Gun KIM, Yong Joo JO, Ju Sung PARK
  • Optical imaging system
    Patent number: 10345556
    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 3, 2017
    Date of Patent: July 9, 2019
    Assignee: Samsung EIectro-Mechanics Co., Ltd.
    Inventor: Ju Hwa Son
  • TELESCOPIC OPTICAL IMAGING SYSTEM
    Publication number: 20190170978
    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: July 26, 2018
    Publication date: June 6, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jung Hui KO, Ju Hwa SON, Ju Sung PARK, Yong Joo JO
  • Optical imaging system
    Patent number: 10302904
    Abstract: An optical imaging system includes a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, and a sixth lens having a negative refractive power. The first to sixth lenses are sequentially disposed from an object side to an imaging plane. An Abbe number of the second lens is 21 or less.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: May 28, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa Son
  • OPTICAL IMAGING SYSTEM
    Publication number: 20190154967
    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: August 28, 2018
    Publication date: May 23, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa SON, Ki Jin NAM, Ju Sung PARK, Yong Joo JO
  • OPTICAL IMAGING SYSTEM
    Publication number: 20190129148
    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 on an optical axis from an object side toward an image side. A distance from an object-side surface of the first lens to an imaging plane of an image sensor is TTL, an overall focal length of an optical system including the first to sixth lenses is F, and TTL/F?0.83. An optical axis distance between the second lens and the third lens is D23, an optical axis distance between the third lens and the fourth lens is D34, and 2.2<D23/D34<5.4.
    Type: Application
    Filed: August 27, 2018
    Publication date: May 2, 2019
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ju Hwa SON, Young Su JIN, Dong Shin YANG, Yong Joo JO
  • OPTICAL SYSTEM
    Publication number: 20190025554
    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. Whereby an aberration improvement effect may be increased and high resolution and a wide angle may be implemented.
    Type: Application
    Filed: September 25, 2018
    Publication date: January 24, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa SON
  • Optical system
    Patent number: 10114195
    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: March 10, 2015
    Date of Patent: October 30, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa Son
  • Lens module
    Patent number: 10061103
    Abstract: A lens module, including a first lens, a second lens, a third lens, a fourth lens comprising a concave object-side surface and a concave image-side surface, and a fifth lens including a negative refractive power and an inflection point formed on an image-side surface thereof. The first to fifth lenses are sequentially disposed from an object side to an image side.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: August 28, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa Son
  • OPTICAL SYSTEM
    Publication number: 20180196224
    Abstract: An optical system includes: a first lens having negative refractive power; a second lens; a third lens; a fourth lens; a fifth lens; a sixth lens; and an image sensor configured to convert an image of a subject incident through the first to sixth lenses into electrical signals, wherein the first to sixth lenses are sequentially disposed from an object side of the optical system, and wherein TTL/(ImgH*2)?0.75 is satisfied, with TTL being a distance from an object-side surface of the first lens to an image plane of the image sensor and ImgH being half of a diagonal length of the image plane of the image sensor.
    Type: Application
    Filed: March 9, 2018
    Publication date: July 12, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Ju Hwa SON
  • OPTICAL IMAGING SYSTEM
    Publication number: 20180180851
    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: May 3, 2017
    Publication date: June 28, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Ju Hwa SON
  • OPTICAL IMAGING SYSTEM
    Publication number: 20180172956
    Abstract: An optical imaging system includes a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, and a sixth lens having a negative refractive power. The first to sixth lenses are sequentially disposed from an object side to an imaging plane. An Abbe number of the second lens is 21 or less.
    Type: Application
    Filed: March 24, 2017
    Publication date: June 21, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Ju Hwa SON
  • LENS MODULE
    Publication number: 20180164553
    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: Application
    Filed: February 7, 2018
    Publication date: June 14, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa SON
  • Optical system
    Patent number: 9952404
    Abstract: An optical system includes: a first lens having negative refractive power; a second lens; a third lens; a fourth lens; a fifth lens; a sixth lens; and an image sensor configured to convert an image of a subject incident through the first to sixth lenses into electrical signals, wherein the first to sixth lenses are sequentially disposed from an object side of the optical system, and wherein TTL/(ImgH*2)?0.75 is satisfied, with TTL being a distance from an object-side surface of the first lens to an image plane of the image sensor and ImgH being half of a diagonal length of the image plane of the image sensor.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: April 24, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa Son
  • Lens module
    Patent number: 9927596
    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: November 17, 2015
    Date of Patent: March 27, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa Son
  • Lens module
    Patent number: 9910248
    Abstract: A lens module may include a first lens having positive refractive power, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power, and a sixth lens having negative refractive power and having one or more inflection points formed on an image-side surface thereof. An overall focal length of the lens module f and a focal length of the first lens f1 may satisfy the following Conditional Expression: 1.0<f1/f<2.0??[Conditional Expression].
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: March 6, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Il Yong Park, Yong Joo Jo, Ju Hwa Son, Jin Hwa Jung, Jae Hyun Baik, Ho Sik You, Phil Ho Jung, Kyu Min Chae
  • Optical system
    Patent number: 9897777
    Abstract: There is provided an optical system including: a first lens having positive refractive power; a second lens having positive refractive power; a third lens having refractive power and having a convex object-side surface; a fourth lens having refractive power; and a fifth lens having refractive power, wherein the first to fifth lenses are sequentially disposed from an object side, whereby spherical aberration and coma aberration may be improved to realize high resolution in images captured thereby and increase an amount of light incident through the lenses to an image sensor.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: February 20, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa Son
  • Lens module
    Patent number: 9791667
    Abstract: A lens module including may include: a first lens having negative refractive power; a second lens of which an object-side surface or an image-side surface is convex; a third lens of which an image-side surface is concave; a fourth lens having refractive power; a fifth lens having refractive power; and a sixth lens having an inflection point formed on an image-side surface or an object-side surface thereof. The first to sixth lenses are disposed in a sequential order from the first lens to the sixth lens.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: October 17, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ju Hwa Son