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).

  • COMPOUND, LIGHT-EMITTING MATERIAL, AND LIGHT-EMITTING ELEMENT
    Publication number: 20240298538
    Abstract: A compound represented by the following general formula is an excellent light emitting material. R1 to R5 each represent a hydrogen atom, a deuterium atom, or a substituent other than a cyano group, but one or more of R1 to R5 is an aryl group or a pyridyl group, two or more of R1 to R5 are donor groups, and one or more of them are a substituted ring-fused indol-1-yl group (the number of rings constituting the fused ring is 4 or more).
    Type: Application
    Filed: September 24, 2021
    Publication date: September 5, 2024
    Inventors: Yong Joo CHO, Yoshitake SUZUKI, Masataka YAMASHITA, Naomi SHIMAMURA, Yu YAMANE, Satoshi OHNO, Shinhyung CHOI, Noboru SANADA
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240295720
    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: Application
    Filed: May 1, 2024
    Publication date: September 5, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hyun BAIK, Yong Joo JO, Tae Youn LEE, Jae Hyuk HUH
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240295719
    Abstract: An optical imaging system includes a first lens group, a second lens group, a third lens group, and a fourth lens group sequentially disposed in ascending numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an image side of the optical imaging system, at least one lens group among the first lens group to the fourth lens group being configured to be movable along the optical axis; and a reflective member disposed on an object side of the first lens group and comprising a reflective surface configured to change an optical path, wherein the first lens group has a positive refractive power, and 0.8?Fnot/Fnow?1.3 is satisfied, where Fnot is an F-number of the optical imaging system in a telephoto mode, and Fnow is an F-number of the optical imaging system in a wide-angle mode.
    Type: Application
    Filed: February 27, 2024
    Publication date: September 5, 2024
    Applicants: Samsung Electro-Mechanics Co., Ltd., Kumoh National Institute of Technology Industry-Academic Cooperation Foundation
    Inventors: Tae Yeon LIM, Jae Myung RYU, Yong Joo JO, Phil Ho JUNG
  • OPTICAL IMAGING SYSTEM
    Publication number: 20240288663
    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: Application
    Filed: May 8, 2024
    Publication date: August 29, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jung Hui KO, Yong Joo JO
  • Camera module
    Patent number: 12072510
    Abstract: A camera module includes a housing including an opening and configured to accommodate an optical path conversion unit and a lens module, a shielding member configured to shield the opening of the housing, and a reflection reducing member disposed on an inner surface of the shielding member and configured to reduce internal reflections from the inner surface of the shielding member occurring between an end of the lens module and an image sensor.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: August 27, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ga Yeon Ju, Yeun Ho Jung, Jung Kyun Cho, Yong Joo Jo
  • Optical imaging system
    Patent number: 12072553
    Abstract: An optical imaging system includes a first lens having positive refractive power, a second lens, a third lens, a fourth lens, and a fifth lens, arranged in order from an object side. The first lens is shaped such that a length of a first axis, which intersects an optical axis, is greater than a length of a second axis, which intersects the optical axis and is perpendicular to the first axis. The optical imaging system satisfies 4.5<TTL/IMG HT<6.5; 0.87<TTL/f<1.31; and 0.65<L1S1es/L1S1el<0.9.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: August 27, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Joon Hee Byun, Ho Sik Yoo, Yong Joo Jo
  • 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
  • Apparatus for blood pressure estimation using photoplethysmography and contact pressure
    Patent number: 12064270
    Abstract: An apparatus for estimating cardiovascular information includes: a main body; and a strap connected to the main body and formed to be flexible to be wrapped around an object, wherein the main body may include: a pulse wave measurer configured to measure, from the subject, a first pulse wave signal by using a first light of a first wavelength, and a second pulse wave signal by using a second light of a second wavelength, the first wavelength being different from the second wavelength; a contact pressure measurer configured to measure a contact pressure between the object and the pulse wave measurer; and a processor configured to extract a cardiovascular characteristic value based on the first pulse wave signal, the second pulse wave signal, and change in the contact pressure, and estimate cardiovascular information based on the extracted cardiovascular characteristic value.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: August 20, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Min Kang, Yong Joo Kwon, Seung Woo Noh, Sang Yun Park
  • Heat sink and converter comprising same
    Patent number: 12069835
    Abstract: A heat sink according to one embodiment of the present invention comprises: a main heat sink; a heat pipe mounted in a groove formed on one surface of the main heat sink; a heat dissipation member which is formed above the heat pipe and transfers heat generated from a heat generation component to the heat pipe; and an elastic member which is mounted in a space formed inside the heat dissipation member and applies pressure to the main heat sink.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: August 20, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yong Joo Lee, Mi Sun Lee, Ju Young Jang
  • Heat sink
    Patent number: 12063757
    Abstract: The present invention relates to a heat sink comprising a heat pipe. A heat sink, according to one embodiment of the present invention, comprises: a first heat pipe mounted in a first groove formed on a first surface of a heat sink; a second heat pipe mounted in a second groove formed on a second surface of the heat sink; and a third groove in which at least a portion of the second heat pipe mounted in the second groove is exposed in the direction of the first surface.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: August 13, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Mi Sun Lee, Yong Joo Lee
  • 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
  • LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
    Publication number: 20240268138
    Abstract: A light-emitting device and an electronic apparatus including the same.
    Type: Application
    Filed: December 20, 2023
    Publication date: August 8, 2024
    Inventors: Sunghun Lee, Taekjung Kim, Hyungjun Kim, Banglin Lee, Shingo ISHIHARA, Yong Joo Lee, Yasushi KOISHIKAWA, Youngki Hong
  • 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
  • APPARATUS FOR INSPECTING FUEL VESSEL, AND SYSTEM AND METHOD FOR IDENTIFYING CRACK DENSITY OF VESSEL
    Publication number: 20240255469
    Abstract: An apparatus for inspecting a fuel vessel includes a strap configured to surround an outer surface of the fuel vessel and fixed to the outer surface through at least one joint part, a plurality of piezoelectric sensors interposed between the outer surface of the fuel vessel and the strap, and spaced apart from each other by a predetermined distance along the strap, and a cable electrically connected to the plurality of piezoelectric sensors. The first piezoelectric sensor of a plurality of piezoelectric sensors is configured to transmit a signal generated based on receiving a voltage applied, to remaining piezoelectric sensors of the plurality of piezoelectric sensors.
    Type: Application
    Filed: September 1, 2023
    Publication date: August 1, 2024
    Inventors: Yong Joo Cho, Jung Ryul Lee, Kyung Hwan Kim
  • 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
  • Pseudo-electropherogram construction from peptide level mass spectrometry data
    Patent number: 12038444
    Abstract: Methods and apparatuses for the identification and/or characterization of properties of a macromolecule based on mass spectrometry data. Specifically, described herein are methods and apparatuses for converting peptide-level data into a pseudo-intact mass spectra. Also described herein are methods and apparatuses for converting peptide-level data into a pseudo-electropherogram. The methods may be well suited for analyzing proteins and protein complexes, including estimating properties of post-translational modifications of the proteins and protein complexes. Methods may include generating a theoretical graph or spectrum based on peptide-level mass spectrometry data. In some embodiments, the theoretical graph may be a theoretical intact mass spectrum or a theoretical charge distribution spectrum.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: July 16, 2024
    Assignee: Protein Metrics, LLC
    Inventors: Andrew Nichols, Marshall Bern, Yong Joo Kil, Eric Carlson
  • 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