Patents by Inventor Woong Choi

Woong Choi 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).

  • Publication number: 20220370611
    Abstract: Disclosed are visible light-activatable antitumor self-assembled nanoparticles or antitumor immunity-inducing self-assembled nanoparticles. The self-assembled nanoparticles induce potent apoptosis in cancer cells and increase their own anticancer immunogenicity, thereby maximizing their therapeutic efficacy for cancer.
    Type: Application
    Filed: November 18, 2021
    Publication date: November 24, 2022
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwangmeyung KIM, In-Cheol SUN, Man Kyu SHIM, Ji Woong CHOI
  • Publication number: 20220349203
    Abstract: A multi-functional wooden pole according to an embodiment of the present disclosure has improved erectness due to a tendon is proposed. The multi-functional wooden pole is capable of maintaining a stable erection state while easily responding to a wind load even when an object having a predetermined weight is installed on an upper side of the wooden pole in a longitudinal direction thereof.
    Type: Application
    Filed: November 19, 2020
    Publication date: November 3, 2022
    Inventor: Gyu Woong CHOI
  • Patent number: 11433019
    Abstract: A method for preparing Ganoderma lucidum extract using an eco-friendly extraction technique is disclosed. A Ganoderma lucidum extract prepared thereby and a cosmetic composition containing the extract, and their uses are disclosed. The extraction technique use an aqueous cyclodextrin solution alone or in combination with ultrasonic extraction to afford a Ganoderma lucidum extract containing a high concentration of the effective ingredient triterpenoid.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: September 6, 2022
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Jin Sup Shim, Eun Jung Lee, Nok Hyun Park, So Woong Choi, Yong Jin Kim
  • Publication number: 20220233159
    Abstract: A medical image processing method using machine learning according to an embodiment of the present invention includes acquiring an X-ray image of an object, identifying a plurality of anatomical regions by applying a deep learning technique for each bone structure region that constitutes the X-ray image, predicting a bone disease according to bone quality for each of the plurality of anatomical regions, and determining an artificial joint that replaces the anatomical region in which the bone disease is predicted.
    Type: Application
    Filed: February 28, 2020
    Publication date: July 28, 2022
    Inventors: Sun Jung YOON, Min Woo KIM, II Seok OH, Kap Soo HAN, Myoung Hwan KO, Woong CHOI
  • Publication number: 20220223645
    Abstract: A display device includes a first electrode disposed on a substrate; a second electrode disposed on the substrate, the second electrode being spaced apart from, and facing, the first electrode in a first direction; and a plurality of light-emitting elements extending in a length direction and having both ends disposed on the first electrode and second electrode, respectively, wherein the first electrode includes a plurality of first patterns which are recessed from a top surface of the first electrode and from a side surface of the first electrode that faces the second electrode, and the second electrode includes a plurality of second patterns which are recessed from a top surface of the second electrode and from a side surface of the second electrode that faces the first electrode.
    Type: Application
    Filed: December 23, 2021
    Publication date: July 14, 2022
    Applicant: Samsung Display Co., LTD.
    Inventor: Ji Woong CHOI
  • Publication number: 20220223630
    Abstract: A semiconductor device with multiple zero differential transconductance includes: a conductive substrate; a first insulating layer and a second insulating layer disposed on the conductive substrate; a first semiconductor and a second semiconductor disposed on first portions of the first insulating layer and the second insulating layer, respectively; a first buffer layer and a second buffer layer disposed on electrode contact areas of the first semiconductor and the second semiconductor, respectively; and an anode electrode and a cathode electrode disposed on second portions, which are different from the first portions, of the first insulating layer and the second insulating layer and on the first buffer layer and the second buffer layer, respectively, wherein the first semiconductor and the second semiconductor are disposed in parallel with each other and connected by the anode electrode and the cathode electrode.
    Type: Application
    Filed: January 14, 2022
    Publication date: July 14, 2022
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jin Hong PARK, Jae Woong CHOI, Je Jun LEE, Ju Hee LEE
  • Patent number: 11380242
    Abstract: A display device includes a controller to generate a start frame control signal having a first level in an active period and a second level in a blank period, a load signal toggling between the first level and the second level in the active period and having the second level in the blank period, and a data signal including image data in the active period and a training pattern in the blank period, and a data driver to recover the image data from the data signal based on an internal clock signal to provide display pixels with data voltages in the active period, and to perform a training operation for the internal clock signal using the training pattern in the data signal when both of the start frame control signal and the load signal are maintained as the second level for more than a reference time in the blank period.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: July 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kihyun Pyun, Yunmi Kim, Ji Woong Choi
  • Publication number: 20220192020
    Abstract: A connection structure embedded substrate includes a printed circuit board including a first insulating body and a plurality of first wiring layers disposed on at least one of an external region or an internal region of the first insulating body; and a connection structure embedded in the first insulating body and including first and second substrates. The first and second substrates are disposed adjacent to each other.
    Type: Application
    Filed: March 9, 2021
    Publication date: June 16, 2022
    Inventors: Joo Hwan JUNG, Jae Woong CHOI, Seung Eun LEE, Yong Hoon KIM, Jin Won LEE
  • Publication number: 20220182399
    Abstract: A method of detecting a malicious node in a bus network system includes pre-storing, by a receiving node, autocorrelation characteristics and node identifiers for each signal received from nodes excluding than the receiving node in a bus network system, receiving, by the receiving node, a target signal from any one of the nodes, generating, by the receiving node, an autocorrelation characteristic of the target signal, searching for an autocorrelation characteristic, which is identical to the autocorrelation characteristic of the target signal or similar to the autocorrelation characteristic of the target signal by a reference level or more, among the autocorrelation characteristics of each of the signals stored by the receiving node, determining, by the receiving node, whether a first node identifier matching the searched autocorrelation characteristic and a second node identifier extracted from a packet transmitted to the target signal are the same.
    Type: Application
    Filed: August 5, 2021
    Publication date: June 9, 2022
    Inventors: Ji Woong CHOI, Woo Jin JEONG, Eun Min CHOI
  • Patent number: 11348306
    Abstract: A method of processing an image by a device obtaining one or more images including captured images of objects in a target space, generating metadata including information about mapping between the one or more images and a three-dimensional (3D) mesh model used to generate a virtual reality (VR) image of the target space, and transmitting the one or more images and the metadata to a terminal.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: May 31, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-yun Jeong, Do-wan Kim, Yong-gyoo Kim, Gun-hee Lee, Jae-kyeong Lee, Jin-bong Lee, Dai-woong Choi, Hyun-soo Choi
  • Patent number: 11346765
    Abstract: Accelerated outdoor exposure test equipment is disclosed. In the accelerated outdoor exposure test equipment, a specimen is moved for an accelerated outdoor test or an artificial radiation source to irradiate artificial light is moved at sunrise or sunset. Accordingly, the specimen is exposed to natural light such as sunlight during daytime and exposed to artificial light during nighttime.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: May 31, 2022
    Assignee: Korea Conformity Laboratories
    Inventors: Chang Hwan Kim, Sun Woong Choi
  • Patent number: 11329169
    Abstract: A multi-negative differential transconductance device includes a substrate conductive portion; a gate insulating layer formed by being laminated on the substrate conductive portion; a first semiconductor, a second semiconductor, and a third semiconductor which have different threshold voltages and are formed to be horizontally connected in series on the gate insulating layer; and an electrode formed at both ends of the first semiconductor and the third semiconductor. The multi-negative differential transconductance device forms a junction of three or more semiconductor materials in one device to have a plurality of peaks and valleys so that the multi-negative differential transconductance device is utilized to implement a multi-valued logic circuit which is capable of representing four or more logical states without significantly increasing an area of the negative differential transconductance device which occupies the chip.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: May 10, 2022
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Jin-Hong Park, Jae-Woong Choi, Kwan-Ho Kim, Maksim Andreev
  • Patent number: 11316251
    Abstract: A radio frequency package includes a first connection member having a first stack structure including at least one first insulating layer and at least one first wiring layer; a second connection member having a second stack structure including at least one second insulating layer and at least one second wiring layer; a core member including a core insulating layer and disposed between the first and second connection members; and a first chip antenna disposed to be surrounded by the core insulating layer. The first chip antenna includes a first dielectric layer disposed to be surrounded by the core insulating layer; a patch antenna pattern disposed on an upper surface of the first dielectric layer; and a feed via disposed to at least partially penetrate the first dielectric layer, providing a feed path of the patch antenna pattern and connected to the at least one first wiring layer.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: April 26, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Woong Choi, Jin Won Lee, Hae Kyo Seo
  • Patent number: 11317479
    Abstract: Disclosed herein is a cooking apparatus. The cooking apparatus includes a cooking plate, a plurality of induction heating coils installed under the cooking plate, a plurality of drivers configured to supply driving power to the plurality of induction heating coils, and a controller configured to control the plurality of drivers to drive a plurality of groups to which the plurality of induction heating coils belong, respectively. Power output by a first driver, among the plurality of drivers, which drives a first group among the plurality of groups may be increased and power output by a second driver, among the plurality of drivers, which drives a second group among the plurality of groups may be decreased.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: April 26, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Ju Park, Chang Sun Yun, Ji Woong Choi
  • Patent number: 11310514
    Abstract: Encoding an image using a non-encoding region of the image, a block-based encoding region of the image, and a pixel-based encoding region of the image.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: April 19, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae-sung Cho, Chan-yul Kim, Jeong-hoon Park, Pil-kyu Park, Kwang-pyo Choi, Dai-woong Choi, Woong-il Choi
  • Patent number: 11305091
    Abstract: Disclosed are an apparatus and a system for managing circadian rhythm. The apparatus includes an illuminance measuring portion which measures a bio illuminance value of external light using a circadian lambda filter which passes the external light along according to a circadian rhythm sensitivity curve and a visual lambda filter which passes the external light along according to a visual sensitivity curve, a controller which outputs a control signal for reinforcing a user's circadian rhythm on the basis of the bio illuminance value, and a circadian rhythm reinforcing portion which emits light of a circadian wavelength band toward the user according to the control signal.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: April 19, 2022
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Hyun Sun Mo, Young Rag Do, Dae Jeong Kim, Dae Hwan Kim, Sung Yeon Jang, In Hwan Jung, Dong Myung Kim, Seong Jin Choi, Sanggyu Yim, Hyung Min Kim, Sun Woong Choi, Gu Min Jeong, Seung Min Lee
  • Patent number: D951399
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: May 10, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Deok-Sang Yun, Hwan-Woong Choi, Hyun-Soo Kim, Bo-Kyeong Lee
  • Patent number: D955800
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: June 28, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-Seok Kim, Jae-Jun Kim, Sun-Min Lee, Hwan-Woong Choi
  • Patent number: D956464
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: July 5, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Deok-Sang Yun, Hwan-Woong Choi, Hyun-Soo Kim
  • Patent number: D961734
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: August 23, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Deok-Sang Yun, Hwan-Woong Choi, Hyun-Soo Kim, Bo-Kyeong Lee