Patents by Inventor Hoon Choi

Hoon 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).

  • Patent number: 12057656
    Abstract: The present disclosure relates to a receptacle connector, comprising a plurality of contacts for electrically connecting a plug connector and a substrate which is provided in an electronic device; an insulating part; a shell; and a sealing part for sealing between the electronic device and the shell, wherein the shell includes a shell body, and a first support part, wherein the first support part may include a first rear support member; a first outer support member which protrudes forward from the first rear support member; a first connecting member which is coupled to the front of the first outer support member; and a first inner support member which is coupled to each of the first connecting member and the shell body and is disposed spaced apart from the first outer support member.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: August 6, 2024
    Assignee: LS MTRON LTD.
    Inventors: Hyun Woo Lee, Jung Hoon Choi, Sun Hak Lee
  • Patent number: 12053796
    Abstract: A multi-slot die coater which can improve a problem of structural vulnerability to deformation and torsion. The multi-slot die coater including a lower slot and an upper slot includes a lower die block; an intermediate die block disposed on the lower die block to form the lower slot therebetween; and an upper die block disposed on the intermediate die block to form the upper slot therebetween, wherein at least one of the lower die block, the intermediate die block, and the upper die block includes a metal coating layer on a ceramic body.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: August 6, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Taek-Soo Lee, Young-Gon Kim, Shin-Wook Jeon, Sang-Hoon Choy
  • Publication number: 20240250417
    Abstract: An electronic device is provided. The electronic device includes an outer housing that comprises a first surface facing a first direction, a second surface facing a second direction opposite to the first direction, and a side surface surrounding a space between the first surface and the second surface, a display adapted to expose at least a portion of the display through the first surface of the outer housing, a PCB arranged between the second surface and the display in an interior of the outer housing, a communication circuit arranged on or over the PCB, a first conductive structure formed of at least one of the first surface or at least a portion of the side surface is electrically connected to the communication circuit, and a second conductive structure formed of the portion of the display electrically connected to the first conductive structure.
    Type: Application
    Filed: April 1, 2024
    Publication date: July 25, 2024
    Inventors: Tae Young KIM, In Young LEE, Sang Hoon CHOI, Woo Suk KANG, Jae Won CHOE, Jae Bong CHUN
  • Patent number: 12045095
    Abstract: A window includes a folding portion foldable with respect to an imaginary folding axis extending in a first direction, a first non-folding portion, and a second non-folding portion spaced apart from the first non-folding portion in a second direction perpendicular to the first direction with the folding portion interposed therebetween. The folding portion includes a base portion and a plurality of protrusion portions disposed on the base portion and spaced apart from each other in the second direction. A width, in the first direction, of the folding portion is smaller than a width, in the first direction, of each of the first non-folding portion and the second non-folding portion.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seongjin Hwang, Kyung-Man Kim, Dawoon Kim, Sanghoon Kim, Sunghoon Kim, Seungho Kim, Yuri Kim, Min-Hoon Choi
  • Publication number: 20240243431
    Abstract: The present invention provides a method of manufacturing a separator, which includes: (a) manufacturing a base film by extruding and stretching a composition that includes a crosslinkable polyolefin in which a silane-based compound is grafted to a first polyolefin, a non-crosslinkable polyolefin consisting of a second polyolefin, and a pore-forming agent; (b) applying a crosslinking catalyst to the surface of the base film while extracting the pore-forming agent from the base film by applying a solution including the crosslinking catalyst and an extraction solvent to the base film; and (c) crosslinking the crosslinkable polyolefin while removing the extraction solvent remaining on the base film by applying heat and steam to the base film.
    Type: Application
    Filed: March 28, 2024
    Publication date: July 18, 2024
    Applicants: W-SCOPE KOREA CO., LTD., W-SCOPE CHUNGJU PLANT CO., LTD.
    Inventors: Byung Hyun KIM, Pyung Yong PARK, Kuk Jin CHO, Yeong Hoon CHOI, Ju Ho LEE, Kwang Ho CHOI
  • Publication number: 20240244967
    Abstract: An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and a first emitting part including a first emitting material layer and positioned between the first and second electrodes, wherein the first emitting material layer includes a first p-type host and a first n-type host, and wherein the first p-type host is represented by Formula 1, and the first n-type host is represented by Formula 3.
    Type: Application
    Filed: November 8, 2023
    Publication date: July 18, 2024
    Inventors: Joon-Beom Im, Gyeong-Woo Kim, Ji-Seon Jang, Han-Jin Ahn, Jun-Yun Kim, Dong-Hoon Choi, Min-Ju Cho, Min-Ji Kang
  • Patent number: 12036767
    Abstract: Provided is a window including a glass substrate, an impact absorbing layer disposed on the glass substrate and having a first storage modulus, and at least one coating layer disposed on at least one of top and bottom surfaces of the impact absorbing layer, respectively, and having a second storage modulus that is greater than the first storage modulus, wherein a ratio between a first thickness of the impact absorbing layer and a second thickness of at least one of the at least one coating layer is about 1:0.0002 to about 1:0.05.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: July 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Hoon Choi, Minsang Koo, Kyung-Man Kim, Sanghoon Kim, Seongjin Hwang
  • Publication number: 20240227075
    Abstract: Embodiments of the inventive concept provide a substrate treating apparatus and a substrate treating method for not letting an irradiation region of a laser deviate from a target region, even if a shaking angle of a chemical deviates from an allowable range due to a vibration or an airflow. The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes: a substrate support unit configured to support a substrate having a chemical coated thereon; a laser generation unit configured to irradiate a laser to the substrate; and a light-transmitter positioned along a path at which the laser is irradiated.
    Type: Application
    Filed: October 3, 2023
    Publication date: July 11, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Tae Shin KIM, Ki Hoon CHOI, Tae Hee KIM, Sang Gun LEE, Jin Yeong SUNG, Jang Jin LEE
  • Patent number: 12030082
    Abstract: Provided is a bilayer composition for surface treatment of a steel plate and a surface-treated steel plate using same. The bilayer composition for surface treatment of a steel plate, comprising an undercoat coating composition including 1 to 12 wt % of a phenoxy resin, 0.001 to 1.0 wt % of colloidal silica, 0.001 to 1.0 wt % of a silane coupling agent, 0.1 to 1.0 wt % of a corrosion inhibitor, 0.001 to 1.0 wt % of a phosphoric acid compound as a long-term corrosion resistance improving agent, and a balance of water; and a topcoat coating composition including 0.1 to 5.0 wt % of an acrylic acid resin, 30 to 50 wt % of colloidal silica, 40 to 60 wt % of alkoxy silane, 5 to 15 wt % of an acrylate-based monomer, 0.01 to 1.00 wt % of an acidity control agent, and a balance of an organic solvent.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: July 9, 2024
    Assignee: POSCO CO., LTD
    Inventors: Chang-Hoon Choi, Won-Ho Son, Hee-Jea Eun
  • Publication number: 20240220833
    Abstract: Provided are a method for predicting usage for cloud storage service and system therefor. The method according to some embodiments may include obtaining a time series dataset through monitoring usage of storage resource, extracting a plurality of candidate training sets from the time series dataset, evaluating suitability of the plurality of candidate training sets to a linear regression model, wherein an independent variable of the linear regression model comprises a time variable and a dependent variable represents usage of the storage resource; selecting a training set from the plurality of candidate training sets based on the evaluation result, and predicting future usage of the storage resource through the linear regression model trained with the training set.
    Type: Application
    Filed: October 23, 2023
    Publication date: July 4, 2024
    Applicant: SAMSUNG SDS CO., LTD.
    Inventors: Hyo Jung LEE, Jeong Hyun LEE, Seung Wan HAN, Sung Hoon CHOI
  • Patent number: 12023952
    Abstract: Provided is a security item using the intensity of fluorescent materials and a user identification system using same, the security item containing fluorescent materials that have intrinsic luminescent characteristics when irradiated with excitation light, wherein the fluorescent materials are contained in an amount of 0.2-3.0 wt % on the basis of the weight of the security item, and the difference in relative value calculated by formula (I), according to a 0.2-0.5 wt % difference in the amount of the fluorescent materials, is at least 3. Formula (I): the relative value of ? wt % of fluorescent materials=(the relative intensity of the emission wavelength of ? wt % of the fluorescent materials×100)/(the relative intensity of the emission wavelength of 3.0 wt % of the fluorescent materials).
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: July 2, 2024
    Assignee: KOREA MINTING, SECURITY PRINTING & ID CARD OPERATING CORPORATION
    Inventors: Hyun Jun Kim, Il Hoon Choi, Hong Keon Kim, Hyun Jin Oh
  • Patent number: 12024441
    Abstract: A cathode active material for a lithium secondary battery has a structure of a lithium-nickel-based metal oxide. A crystal size in a (104) plane defined by Equation 1 is less than 200 nm. A thickness of a TM slab measured by a Rietveld method in a crystal structure of a space group R-3m by an X-ray diffraction (XRD) analysis is 2.15 ? or less. A thickness of a Li slab thickness measured by the Rietveld method in the crystal structure of the space group R-3m by the XRD analysis is 2.585 ? or more.
    Type: Grant
    Filed: August 14, 2023
    Date of Patent: July 2, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Hee Jun Kweon, Jeong Bae Yoon, Ji Hoon Choi
  • Publication number: 20240214254
    Abstract: Provided is a discrete Fourier transform (DFT)-spread orthogonal frequency division multiplexing (OFDM) transmission method and transmitter including a phase shifter configured to generate a pi/2-binary phase shift keying (BPSK) symbol vector by phase-shifting a vector including M BPSK symbols, a DFT spreader configured to generate a DFT-spread pi/2-BPSK symbol vector by spreading the pi/2-BPSK symbol vector using an M-point DFT matrix, a circular extender configured to generate a circularly extended pi/2-BPSK symbol vector by periodically extending the DFT-spread pi/2-BPSK symbol vector, a frequency domain spectrum shaper configured to generate a frequency domain spectrum shaped pi/2-BPSK symbol vector by multiplying each element of the circularly extended pi/2-BPSK symbol vector by each element of a first shaping vector, and a subcarrier allocator configured to allocate the frequency domain spectrum shaped pi/2-BPSK symbol vector to subcarriers in an allocated frequency range.
    Type: Application
    Filed: September 1, 2021
    Publication date: June 27, 2024
    Inventors: Joon Ho CHO, Jeong Hoon CHOI
  • Patent number: 12020373
    Abstract: In method for replaying a scanning process according to the present invention, position information and rotation information of a scanner are acquired while scanning a scan target is a scanning step, and the distance relationship and angle relationship with the scan target can be calculated according to the position information and rotation information of the scanner. The acquired information and relationship values can be linked with a scan time and stored, and scanning data, along with the acquired information, can be sequentially displayed over time in a display step. According to the method for replaying a scanning process, the process of scanning performed by a user can be examined in chronological order, and the examination process can be quickly performed by controlling replay speed and selecting scan time.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: June 25, 2024
    Assignee: MEDIT CORP.
    Inventors: Dong Hoon Lee, Won Hoon Choi
  • Patent number: 12019471
    Abstract: A window includes a first cover layer, a second cover layer, and a first adhesive part. The first cover layer includes a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, and a plurality of first recessed portions recessed from a top surface of the folding area and extended in a second direction intersecting the first direction. The second cover layer is disposed on the first cover layer. The first adhesive part is disposed between the first cover layer and the second cover layer, and includes protrusions disposed in the plurality of first recessed portions of the first cover layer.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: June 25, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sanghoon Kim, Minsang Koo, Kyung-Man Kim, Seungho Kim, Min-Hoon Choi, Seongjin Hwang
  • Patent number: 12021205
    Abstract: The present invention relates to a method of reusing a positive electrode material, and more particularly, the method includes: inputting a positive electrode for a lithium secondary battery comprising a current collector, and a positive electrode active material layer formed on the current collector and including a first positive electrode active material, a first binder and a first conducting agent, into a solvent; separating at least a portion of the positive electrode active material layer from the current collector; adding second binder powder to the solvent and performing primary mixing a resulting mixture; and preparing a positive electrode material slurry by adding a second positive electrode active material and a second conducting agent to the solvent and performing secondary mixing a resulting mixture.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: June 25, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Joo Yul Baek, Woo Ha Kim, In Seong Kim, Jun Muk Lim, Sang Hoon Choy
  • Publication number: 20240206095
    Abstract: An electronic device includes a display module including a folding display unit which extends in a first direction and be foldable with reference to a folding axis and a first non-folding display unit and a second non-folding display unit which are spaced apart from each other with the folding display unit therebetween; a support member disposed below the display module, and including a folding part having a plurality of patterns defined therein and corresponding to the folding display unit and a first non-folding part and a second non-folding part respectively corresponding to the first non-folding display unit and the second non-folding display unit; and an adhesive layer disposed between the display module and the support member. The adhesive layer has a modulus of about 1 megapascal (MPa) to about 1500 MPa at ?20 degrees Celsius) (° C.).
    Type: Application
    Filed: September 13, 2023
    Publication date: June 20, 2024
    Inventors: TAEHYEOG JUNG, BYUNGHOON KANG, MIN-HOON CHOI, SEONGJIN HWANG
  • Publication number: 20240204185
    Abstract: The cathode active material according to exemplary embodiments includes lithium metal oxide particle including a layered crystal structure and a cubic crystal structure, wherein the lithium metal oxide particle contains 80 mol % or more of nickel based on a total number of moles of all elements except for lithium and oxygen, and the lithium metal oxide particle includes the cubic crystal structure only in a region having a thickness of less than 200 nm from a surface thereof when analyzing a crystal structure thereof by a high-resolution transmission electron microscopy.
    Type: Application
    Filed: February 16, 2024
    Publication date: June 20, 2024
    Inventors: Yeong Bin YOO, Hee Jun KWEON, Tae Kyoung LEE, Ji Hoon CHOI, Kook Hyun HAN
  • Publication number: 20240206333
    Abstract: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host consists of multi-component host compounds; at least a first host compound of the multi-component host compounds is a specific bicarbazole derivative containing an aryl group, and a second host compound is a specific carbazole derivative including a nitrogen-containing heteroaryl group. According to the present invention, the organic electroluminescent device using the multi-component host compounds has a high efficiency and long lifespan compared with the conventional device using one component host compound.
    Type: Application
    Filed: January 18, 2024
    Publication date: June 20, 2024
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Doo-Hyeon MOON, Su-Hyun LEE, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Publication number: 20240204135
    Abstract: A display device includes a display panel including a first non-folding area, a second non-folding area, and a folding area disposed between the first non-folding area and the second non-folding area and a support member disposed under the display panel, including a glass, and including a first non-folding portion overlapping the first non-folding area in a plan view, a second non-folding portion overlapping the second non-folding area in a plan view, and a folding portion disposed between the first non-folding portion and the second non-folding portion, overlapping the folding area in a plan view, and including an opening pattern including openings extending in a first direction and having a width in a second direction intersecting the first direction of in a range of about 10 micrometers to about 200 micrometers.
    Type: Application
    Filed: July 31, 2023
    Publication date: June 20, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: MIN-HOON CHOI, SANGHOON KIM, SUNGHOON KIM, JINGYU SIM, TAEHYEOG JUNG, SEONGJIN HWANG