Patents by Inventor Yong Joo

Yong Joo 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
    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
  • ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20240224786
    Abstract: An organometallic compound represented by Formula 1: M1(L1)n1(L2)n2??Formula 1 wherein M1 is a transition metal, L1 is a ligand represented by Formula 1A, L2 is a ligand represented by Formula 1B, and n1 and n2 are each independently 1 or 2, wherein X43 is C(R43), X44 is C(R44), and R43 and R44 are bonded together to form a group represented by Formula 2; X44 is C(R44), X45 is C(R45), and R44 and R45 are bonded together to form a group represented by Formula 2; or X45 is C(R45), X46 is C(R46), and R45 and R46 are bonded together to form a group represented by Formula 2, ring CY4 and ring CY5 are condensed together, and the remaining substituent groups in Formulae 1A, 1B, and 2 are as described herein.
    Type: Application
    Filed: November 29, 2023
    Publication date: July 4, 2024
    Inventors: Ohyun Kwon, Bumwoo Park, Sungmin Kim, Yong Joo Lee, Byoungki Choi
  • 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: 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
  • ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20240209012
    Abstract: An organometallic compound, represented by Formula 1: M(L1)n1(L2)n2??Formula 1 wherein, M is a transition metal, L1 is a ligand represented by Formula 2-1, L2 is a ligand represented by Formula 2-2, n1 and n2 are each independently 1 or 2, and L1 and L2 are different from each other wherein X11 is Ge, X2 is O, S, Se, N(R29), C(R29a)(R29b), or Si(R29a)(R29b), A1 is C or N, A2 is C or N, A3 is C or N, and A4 is C or N, wherein one of A1 to A4 is C bonded to a neighboring pyridine group, and another of A1 to A4 is C bonded to M in Formula 1, and the remaining substituent groups are as defined herein.
    Type: Application
    Filed: May 25, 2023
    Publication date: June 27, 2024
    Inventors: Kum Hee Lee, Byungjoon Kang, Banglin Lee, Shingo ISHIHARA, Yong Joo Lee, Byoungki Choi, Yasushi KOISHIKAWA, Kyuyoung Hwang
  • 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
  • ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20240199665
    Abstract: An organometallic compound represented by Formula 1: M1(L1)n1(L2)n2??Formula 1 wherein, M1 is a transition metal, L1 is a ligand represented by Formula 1A, L2 is a ligand represented by Formula 1B, and n1 and n2 are each independently 1 or 2, wherein X11 is C(R11) or N, X12 is C(R12) or N, X13 is C(R13) or N, and X14 is C(R14) or N; at least one of R11 to R14 is —Si(Q1)(Q2)(Q3) or —Ge(Q1)(Q2)(Q3); R32 and R33 each comprises deuterium; * and *? each indicate a binding site to M1 in Formula 1; and the other substituent groups in Formulae 1A and 1B are as defined herein.
    Type: Application
    Filed: November 3, 2023
    Publication date: June 20, 2024
    Inventors: Ohyun Kwon, Bumwoo Park, Myungsun Sim, Yong Joo Lee, Byoungki Choi
  • 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
    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
    Publication number: 20240192470
    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. The optical imaging system satisfies 0.35<R1/f<0.40; N2+N3+N4>4.8; and TTL/(2*IMG HT)<0.70, where R1 is a radius of curvature of an object-side surface of the first lens, f is an overall focal length of the optical imaging system including the first to sixth lenses, N2 is a refractive index of the second lens, N3 is a refractive index of the third lens, N4 is a refractive index of the fourth lens, TTL is a distance from the object-side surface of the first lens to an image capturing surface of an image sensor, and IMG HT is half of a diagonal length of the image capturing surface of the image sensor.
    Type: Application
    Filed: January 23, 2024
    Publication date: June 13, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hyuk HUH, Yong Joo JO
  • HYBRID ELECTRIC VEHICLE AND METHOD OF CONTROLLING THE SAME
    Publication number: 20240190438
    Abstract: A hybrid electric vehicle includes an engine, a drive motor, and a controller configured to determine a boarding state or a leaving state of a passenger, to allow a vehicle to enter a first mode for pick-up driving or a second mode for drop-off driving, and to control the vehicle based on the entered mode and the boarding or leaving state after the entering, and a method of controlling the same.
    Type: Application
    Filed: May 10, 2023
    Publication date: June 13, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Gyu Ri Lee, Do Hwa Kim, Hui Un Son, Sung II Jung, Jae Young Park, Yong Joo Lee, Seong Wook Moon, Sung Bae Jeon
  • 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
  • Advanced high strength zinc plated steel sheet having excellent surface quality and electrical resistance spot weldability
    Patent number: 12000008
    Abstract: The present disclosure relates to a high-strength hot-dip galvanized steel sheet having excellent surface quality and electrical resistance spot weldability, and a method for manufacturing the same. A galvanized steel sheet according to an aspect of the present disclosure is a galvanized steel sheet including a base steel sheet and a zinc-based plating layer formed on a surface of the base steel sheet, wherein a ratio (a/b) of a hardness of a surface layer portion (a) to a hardness of an internal portion (b) of the base steel sheet may be less than 0.95.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: June 4, 2024
    Assignee: POSCO
    Inventors: Ki-Cheol Kang, Chung-Hwan Lee, Yong-Joo Kim, Kang-Min Lee, Kyoo-Young Lee
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240176112
    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, the fourth lens, the sixth lens, and the seventh lens are formed of plastic, and the first lens, the second lens, and the fifth lens are formed of glass.
    Type: Application
    Filed: February 6, 2024
    Publication date: May 30, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hag Chul KIM, Yong Joo JO, Hwan Soo PARK
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240176111
    Abstract: An optical imaging system includes a first lens having a convex image-side surface, a second lens having a concave object-side surface, a third lens, a fourth lens, and a fifth lens disposed sequentially from an object side. The optical imaging system satisfies 4.8<f/IMG_HT<9.0, where f is a focal length of the optical imaging system, and IMG_HT is half a diagonal length of an imaging surface of an image sensor.
    Type: Application
    Filed: February 6, 2024
    Publication date: May 30, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ju Hwa SON, Jong Gi LEE, Hyo Jin HWANG, Sang Hyun JANG, Yong Joo JO