Patents by Inventor Dong-Il Choi

Dong-Il 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: 20240158822
    Abstract: Disclosed herein are a microorganism with excellent deacetoxycephalosporin C (DAOC) productivity and a use thereof. A mutant microorganism with improved DAOC productivity and a use thereof for producing 7-aminodeacetoxycephalosporanic acid (7-ADCA) are provided.
    Type: Application
    Filed: October 17, 2023
    Publication date: May 16, 2024
    Inventors: Zhe PIAO, Young sung YUN, Hyeon Seo LEE, Yeon Hee CHOI, Mi Suk KANG, Xue Mei PIAO, You Mi KIM, Ji Su LEE, Hong Xian LI, Dong Il SEO, Dong Won JEONG, Seung Ki KIM
  • Publication number: 20240145560
    Abstract: A semiconductor device includes an active pattern on a substrate extending in a first horizontal direction, a gate electrode on the active pattern extending in a second horizontal direction, a source/drain region on the active pattern, an upper source/drain region apart from the lower source/drain region, a lower source/drain between upper and lower source/drain regions and connected to the lower source/drain region, an upper source/drain connected to an upper source/drain region, an interlayer insulating layer surrounding the upper source/drain region, a through-via on opposing sidewalls in the second horizontal direction extending through the interlayer insulating layer in the vertical direction, the through-via being spaced from the upper source/drain region and upper source/drain contact in the second horizontal direction, the through-via being connected to the lower source/drain contact, and a dam structure on each of the opposing sidewalls in the horizontal direction of the upper source/drain region.
    Type: Application
    Filed: June 20, 2023
    Publication date: May 2, 2024
    Inventors: Dong Hoon HWANG, Myung Il KANG, Do Young CHOI
  • Publication number: 20240124032
    Abstract: An automated driving system of a vehicle includes a driver monitoring unit configured to perform at least one of monitoring a gaze of a driver and determining a position of a hand of the driver, an automated-driving-level switching unit configured to determine whether a transition of a driving control over the vehicle is required based on whether driving environment of the vehicle has changed during the vehicle being driven under control of the automated driving system, and determine an automated driving level to be switched based on a driver monitoring result obtained by the drive monitoring unit, and an automated driving control unit configured to control the vehicle according to the automated driving level.
    Type: Application
    Filed: June 29, 2023
    Publication date: April 18, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Eun Young CHOI, Woo Jin KIM, Ki Seok SEONG, Dong Il YANG, Da Ye PYUN
  • Publication number: 20240113277
    Abstract: In a method of manufacturing a cathode active material for a lithium secondary battery, a preliminary lithium metal oxide particle is prepared. The preliminary lithium metal oxide particle is cleaned using a boron compound cleaning solution. A cathode active material for a lithium secondary particle includes a lithium metal oxide particle where a ratio of a B+ peak intensity relative to a sum of peak intensities of Li+, B+ and LiB+ fragments by a TOF-SIMS analysis is in a range from 0.03% to 1.5%.
    Type: Application
    Filed: December 13, 2023
    Publication date: April 4, 2024
    Inventors: Sang Bok Kim, Ji Hoon Choi, Jik Soo Kim, Mi Jung Noh, Dong Il Jang, Dong Wook Ha
  • Patent number: 11949881
    Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: April 2, 2024
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry-Academia Cooperation Group of Sejong University
    Inventors: Se-Yoon Jeong, Hae-Chul Choi, Jeong-Il Seo, Seung-Kwon Beack, In-Seon Jang, Jae-Gon Kim, Kyung-Ae Moon, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Yung-Lyul Lee, Dong-Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Dae-Yeon Kim, Dong-Kyun Kim
  • Patent number: 11946607
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; light sources disposed on the substrate; and a resin layer disposed on the substrate and the light sources. a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, and the exit surface of the resin layer includes convex portions facing each of the light sources and recess portions respectively disposed between the plurality of convex portions, concave surfaces disposed in each of the plurality of recess portions may have a curvature, and a radius of curvature of the concave surfaces may increase in one direction.
    Type: Grant
    Filed: February 27, 2023
    Date of Patent: April 2, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Young Jae Choi, Dong Hyun Lee, Ki Chang Lee, Gyeong Il Jin, Moo Ryong Park
  • Patent number: 11927890
    Abstract: A substrate processing apparatus includes a photoresist coater applying a photoresist film on a substrate, a humidifier increasing an amount of moisture in an ambient to which the photoresist film on the substrate is exposed, and an exposer irradiating the photoresist film exposed to the ambient having the increased amount of moisture with light. The humidifier is disposed between the photoresist coater and the exposer.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok Heo, Cha Won Koh, Sang Joon Hong, Hyun Woo Kim, Kyung-Won Kang, Dong-Wook Kim, Kyung Won Seo, Young Il Jang, Yong Suk Choi
  • Patent number: 11684843
    Abstract: A personal mobility device includes a frame connected to at least one wheel, a connection part on the frame, a boarding part connected to the connection part to be tiltable, a first sensor disposed on the frame to measure an inclination of the frame, and a second sensor disposed on the boarding part to measure an inclination of the boarding part.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: June 27, 2023
    Assignee: NAVER LABS CORPORATION
    Inventors: Dong Il Choi, Min Su Kim
  • Publication number: 20230173258
    Abstract: A lead structure includes a lead having an electrode wire having one end provided as an insertion portion to be inserted into a body and the other end provided as an interface portion for connection with an external device, a first electrode in the insertion portion to transmit electrical stimulation to body organs, a second electrode on the interface portion to receive electrical stimulation applied from outside, and a signal line configured to interconnect the first electrode and the second electrode and transmit the electrical stimulation received by the second electrode to the first electrode; and a lead case configured to surround the lead, and a conductive plate configured to apply electrical stimulation to body organs and a support plate configured to provide electrical stimulation from the first electrode to the conductive plate by contacting the first electrode.
    Type: Application
    Filed: March 30, 2021
    Publication date: June 8, 2023
    Inventors: Eun Kyoung PARK, Tae Kyung KIM, Tae Woo KIM, Dong Il CHOI, Kyu Sung LEE
  • Publication number: 20230083533
    Abstract: The present invention relates to a method for manufacturing a surface-enhanced Raman scattering substrate, a urine pretreatment method, and a method for providing information required for cancer diagnosis through urine metabolite analysis using same.
    Type: Application
    Filed: February 26, 2021
    Publication date: March 16, 2023
    Inventors: Min Young LEE, Dong Il CHOI, Jung Bin PHYO, Ho Jae YU, A Young WOO
  • Patent number: 11335876
    Abstract: Disclosed are an organic light emitting diode, an organic light emitting diode display device and a display device for vehicles using the same. The organic light emitting diode may achieve process simplification and reduction in material costs while maintaining high luminance, through structure change.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: May 17, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Han-Byeol Seok, Kwan-Soo Kim, Eun-Jung Park, Ki-Min Lim, Seung-Kwang Roh, Byung-Soo Kim, Sang-Kyoung Moon, Dong-Il Choi
  • Publication number: 20220016417
    Abstract: An implantable lead having adjustable electrode locations and a system for controlling the same. The implantable lead may include a plurality of first electrodes exposed and formed at an upper part of a main body at given intervals, a plurality of second electrodes coupled to a stepped lower part of the main body and configured to deliver a stimulus signal to a core area into which the lead is inserted, and a plurality of signal lines embedded in the main body and configured to connect the first electrodes and the second electrodes in a one-to-one manner. In this case, a slot for coupling and up and down movement of the second electrodes may be formed in the lower part. As the second electrodes are individually moved along the slot by an external force acting on the signal lines, locations of the second electrodes in the lower part may be adjusted.
    Type: Application
    Filed: January 6, 2021
    Publication date: January 20, 2022
    Inventors: Eun Kyoung PARK, Tae Kyung KIM, Tae Woo KIM, Min Hee KANG, Dong Il CHOI, Kyu Sung LEE
  • Patent number: 11031572
    Abstract: Disclosed is a display device. In the disclosed display device, an emission-side electrode is constituted by a transmissive electrode structure having different configurations for an emission part and a transmission part such that a uniform potential is maintained at the entirety of the transmissive electrode structure, and the transmissive electrode structure enables the emission part to emit light at high brightness while enabling the transmission part to perform transparent display at high transmissivity.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: June 8, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong-Il Choi, Kwan-Soo Kim
  • Publication number: 20200238159
    Abstract: A personal mobility device includes a frame connected to at least one wheel, a connection part on the frame, a boarding part connected to the connection part to be tiltable, a first sensor disposed on the frame to measure an inclination of the frame, and a second sensor disposed on the boarding part to measure an inclination of the boarding part.
    Type: Application
    Filed: April 10, 2020
    Publication date: July 30, 2020
    Inventors: Dong Il CHOI, Min Su KIM
  • Publication number: 20200006692
    Abstract: Disclosed are an organic light emitting diode, an organic light emitting diode display device and a display device for vehicles using the same. The organic light emitting diode may achieve process simplification and reduction in material costs while maintaining high luminance, through structure change.
    Type: Application
    Filed: June 27, 2019
    Publication date: January 2, 2020
    Inventors: Han-Byeol Seok, Kwan-Soo Kim, Eun-Jung Park, Ki-Min Lim, Seung-Kwang Roh, Byung-Soo Kim, Sang-Kyoung Moon, Dong-Il Choi
  • Publication number: 20190386242
    Abstract: Disclosed is a display device. In the disclosed display device, an emission-side electrode is constituted by a transmissive electrode structure having different configurations for an emission part and a transmission part such that a uniform potential is maintained at the entirety of the transmissive electrode structure, and the transmissive electrode structure enables the emission part to emit light at high brightness while enabling the transmission part to perform transparent display at high transmissivity.
    Type: Application
    Filed: June 14, 2019
    Publication date: December 19, 2019
    Inventors: Dong-Il Choi, Kwan-Soo Kim
  • Patent number: 10224501
    Abstract: An organic light emitting display panel prevents current leakage to adjacent sub-pixels through a common layer having high hole mobility. Layers having high electrical conductivity such as hole injection layers are separately formed in respective sub-pixels.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: March 5, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Dong-Il Choi
  • Publication number: 20180271495
    Abstract: A medical image displaying method comprising: displaying a medical image of an object captured in real time, and a first reference image of the object registered with the medical image; obtaining image information of a region adjacent to a first region within the medical image, wherein the first region is a distorted region of the medical image with respect to a shape of the object; predicting image information of the first region, based on the image information of the region adjacent to the first region; and reconstructing a region corresponding to the object within the first reference image, based on the predicted image information of the first region, and displaying the reconstructed region.
    Type: Application
    Filed: September 13, 2017
    Publication date: September 27, 2018
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Jun-kyo LEE, Tae-wook KANG, Dong-il CHOI, Min-woo LEE
  • Publication number: 20180151825
    Abstract: An organic light emitting display panel prevents current leakage to adjacent sub-pixels through a common layer having high hole mobility. Layers having high electrical conductivity such as hole injection layers are separately formed in respective sub-pixels.
    Type: Application
    Filed: November 22, 2017
    Publication date: May 31, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Dong-Il CHOI
  • Patent number: D678508
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: March 19, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Dong-Il Choi, Kyoung-Ho Lee, Jin-Ho Lee, BongHyup Kang, Dong-Sun Noh