Patents by Inventor Yong-Joo Jo

Yong-Joo Jo 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).

  • CAMERA MODULE
    Publication number: 20240280793
    Abstract: A camera module includes a first lens group; a first optical path folding unit; a second lens group; and a second optical path folding unit. The first lens group, the first optical path folding unit, the second lens group, and the second optical path folding unit are sequentially disposed from an object side of the first lens group toward an imaging plane of the camera module. The first optical path folding unit includes a first fixed reflective member and a first movable reflective member configured to vary a length of an optical path between the first lens group and the second lens group, and the second optical path folding unit includes a second fixed reflective member and a second movable reflective member configured to vary a length of an optical path between the second lens group and an imaging plane.
    Type: Application
    Filed: April 22, 2024
    Publication date: August 22, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hag Chul KIM, Tae Yeon LIM, Phil Ho JUNG, Yong Joo JO
  • Optical imaging system
    Patent number: 12061316
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens having negative refractive power, a fourth lens, a fifth lens, and a sixth lens, disposed in order from an object side. The optical imaging system has a field of view of 120 degrees or greater, and a distortion aberration at a highest height of an imaging plane is +30% or greater or ?30% or lower.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: August 13, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa Son, Jong Gi Lee, Sang Hyun Jang, Hyo Jin Hwang, Yong Joo Jo
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240264408
    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 18, 2024
    Publication date: August 8, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa SON, Min Hyuk IM, Ga Young AN, Yong Joo JO
  • Imaging lens system
    Patent number: 12055792
    Abstract: An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, sequentially disposed at intervals from an object side of the imaging lens system. A refractive index of each of the second lens, the third lens, the fourth lens, and the fifth lens is 1.6 or greater, and TTL/2IH<0.730, where TTL is a distance from an object side surface of the first lens to an imaging plane, and 2IH is a diagonal length of the imaging plane.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: August 6, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kil Soo Shin, Yong Joo Jo
  • LENS MODULE AND CAMERA MODULE INCLUDING LENS MODULE
    Publication number: 20240248277
    Abstract: A lens module includes a first lens barrel in which at least one lens is disposed and including a first threaded portion and a first stepped portion on an outer circumferential surface of the first lens barrel; and a second lens barrel in which at least one lens is disposed and including a second threaded portion and a second stepped portion on an inner circumferential surface of the second lens barrel, wherein the first lens barrel and the second lens barrel are coupled to each other by fitting the first stepped portion and the second stepped portion to each other and screwing the first threaded portion and the second threaded portion to each other.
    Type: Application
    Filed: November 27, 2023
    Publication date: July 25, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chang Min LEE, Young Suk KANG, Yong Joo JO, Tae Yeon LIM
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240231054
    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: March 22, 2024
    Publication date: July 11, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa SON, Jong Gi LEE, Yong Joo JO, Ju Sung PARK
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240231059
    Abstract: An optical imaging system includes a first lens group having negative refractive power, a second lens group having positive refractive power, and a third lens group having negative refractive power, wherein the second lens group and the third lens group are configured to move in an optical axis direction to adjust a focal length and magnification, and the following conditional expression is satisfied, FNOt?3.6, where FNOt is an F value at a telephoto end of the optical imaging system.
    Type: Application
    Filed: March 30, 2023
    Publication date: July 11, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Phil Ho JUNG, Tae Yeon LIM, Yong Joo JO
  • OPTICAL SYSTEM
    Publication number: 20240231050
    Abstract: An optical system includes: a first lens having refractive power; a second lens having refractive power; a third lens having refractive power and comprising an image-side surface which is convex in a paraxial region; a fourth lens having refractive power; a fifth lens having refractive power and comprising an image-side surface which is concave in the paraxial region; a sixth lens having refractive power; and a stop disposed in front of an object-side surface of the first lens. The first to sixth lenses are sequentially disposed from an object side. A radius of the stop SD and an overall focal length of the optical system f satisfy: 0.2<SD/f<0.6. An aberration improvement effect and high degrees of resolution and brightness may be obtained.
    Type: Application
    Filed: December 28, 2023
    Publication date: July 11, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Yong Joo JO
  • Optical imaging system
    Patent number: 12032226
    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 0.5<L12345TRavg/L7TR<0.9, where L12345TRavg is an average value of overall outer diameters of the first to fifth lenses, L7TR is an overall outer diameter of the seventh lens, and L12345TRavg and L7TR are expressed in a same unit of measurement.
    Type: Grant
    Filed: June 7, 2023
    Date of Patent: July 9, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Hwa Jung, Sot Eum Seo, Yong Joo Jo, Ga Young An
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240219689
    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; and a spacer disposed between the sixth and seventh lenses, wherein the optical imaging system satisfies 0.5<S6d/f<1.4, where S6d is an inner diameter of the spacer, f is an overall focal length of the optical imaging system, and S6d and f are expressed in a same unit of measurement.
    Type: Application
    Filed: March 8, 2024
    Publication date: July 4, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Phil Ho JUNG, In Gun KIM, Yong Joo JO, Ga Young AN
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240219690
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens sequentially disposed from an object side toward an image side on an optical axis, and a reflecting member disposed closer to the object side, as compared to the first lens, and having a reflecting surface configured to change a path of light to be incident to the first to fourth lenses. The first to fourth lenses are disposed to be spaced apart from each other by a preset distance along the optical axis, and 1.3<TTL/BFL<3.5, where TTL is a distance from an object-side surface of the first lens to an imaging plane of an image sensor, and BFL is a distance from an image-side surface of the fourth lens to the imaging plane of the image sensor.
    Type: Application
    Filed: March 11, 2024
    Publication date: July 4, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ho Sik YOO, Dong Shin YANG, Yong Joo JO, Sot Eum SEO
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240219687
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens including a concave object side surface, a fourth lens, a fifth lens, and a sixth lens sequentially disposed from an object side toward an image side. The optical imaging system satisfies 0.7<TL/f<1.0 and F No.<2.1, where TL is a distance from an object side of the first lens to an imaging plane, f is a total focal length of the optical imaging system, and F No. is the F No. of the optical imaging system.
    Type: Application
    Filed: March 20, 2024
    Publication date: July 4, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Hwa JUNG, Yong Joo JO, Young Suk KANG
  • Optical imaging system
    Patent number: 12025778
    Abstract: An optical imaging system includes: a first lens having a concave image-side surface; a second lens having refractive power; a third lens having a concave image-side surface; a fourth lens having a concave object-side surface or a convex image-side surface; a fifth lens having refractive power; a sixth lens having a concave image-side surface; and a seventh lens having negative refractive power. The first to seventh lenses are sequentially disposed from an object side and 1.62<(N2+N5+N6)/3, where N2 is a refractive index of the second lens, N5 is a refractive index of the fifth lens, and N6 is a refractive index of the sixth lens.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: July 2, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ho Sik Yoo, Dong Shin Yang, Yong Joo Jo, Sot Eum Seo
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240210660
    Abstract: An optical imaging system includes a first lens having an image-side surface that is concave; a second lens having a refractive power; a third lens having an object-side surface that is convex; a fourth lens having an image-side surface that is concave; a fifth lens having a refractive power; and a sixth lens having a refractive power and an image-side surface having an inflection point, wherein the first lens through the sixth lens are sequentially disposed in numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system, and the optical imaging system satisfies TL/(2Y)?1.01 and 1.2?tan ?, where TL is a distance from an object-side surface of the first lens to the imaging plane, 2Y is a diagonal length of the imaging plane, and ? is half a field of view of the optical imaging system.
    Type: Application
    Filed: March 4, 2024
    Publication date: June 27, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Youn LEE, Jae Hyun BAIK, Yong Joo JO, Phil Ho JUNG
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240210655
    Abstract: An optical imaging system is provided. The optical imaging system has a first lens, a second lens, a third lens, and a fourth lens disposed in order from an object-side to an image-side. The optical imaging system satisfies the following conditional expressions: F No. ?1.5, 0.5<EPD/TTL <0.7, where EPD is an entrance pupil diameter, and TTL is a distance from an object-side surface of the first lens to an imaging plane.
    Type: Application
    Filed: February 6, 2024
    Publication date: June 27, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD
    Inventors: Yong Joo JO, Young Suk KANG
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240210653
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens sequentially disposed in ascending numerical order along an optical axis from an object-side surface of the first lens toward an imaging plane of the optical imaging system, wherein the conditional expression 11?TTL/IMG_HT is satisfied, where TTL is a distance along the optical axis from the object-side surface of the first lens to the imaging plane, and IMG_HT is one-half of a diagonal length of the imaging plane.
    Type: Application
    Filed: March 7, 2024
    Publication date: June 27, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kil Soo SHIN, Yong Joo JO, Il Yong PARK, Hyo Jin HWANG
  • Optical imaging system
    Patent number: 12013516
    Abstract: An optical imaging system includes: a first lens having refractive power, a second lens having refractive power, a third lens having refractive power, a fourth lens having refractive power, and a fifth lens having refractive power. Here, the first lens, the third lens, and the fifth lens may have refractive indices of about 1.6 or more, and an entire field of view of the optical imaging system may be about 120° or more.
    Type: Grant
    Filed: October 11, 2022
    Date of Patent: June 18, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Hyun Baik, Yong Joo Jo, Tae Youn Lee, Jae Hyuk Huh
  • Optical imaging system including eight lenses of ++?+?+?? or ++?+?++? refractive powers
    Patent number: 12013592
    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, which are sequentially arranged from an object side optical imaging system. The first lens has positive refractive power and the second lens has positive refractive power. At least one of the lenses has negative refractive power with a refractive index greater than 1.68.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: June 18, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jung Hui Ko, Yong Joo Jo
  • Camera module
    Patent number: 12013519
    Abstract: A camera module includes a first lens group; a first optical path folding unit; a second lens group; and a second optical path folding unit. The first lens group, the first optical path folding unit, the second lens group, and the second optical path folding unit are sequentially disposed from an object side of the first lens group toward an imaging plane of the camera module. The first optical path folding unit includes a first fixed reflective member and a first movable reflective member configured to vary a length of an optical path between the first lens group and the second lens group, and the second optical path folding unit includes a second fixed reflective member and a second movable reflective member configured to vary a length of an optical path between the second lens group and an imaging plane.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: June 18, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hag Chul Kim, Tae Yeon Lim, Phil Ho Jung, Yong Joo Jo
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240192465
    Abstract: An optical imaging system includes a first lens having positive refractive power, a second lens having positive refractive power, a third lens having positive refractive power, and a fourth lens having positive refractive power, and an F No. of the optical imaging system is equal to or less than 1.0. The optical imaging system is capable of achieving miniaturization while capturing an image at low illumination.
    Type: Application
    Filed: February 22, 2024
    Publication date: June 13, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hag Chul KIM, Yong Joo JO