Patents by Inventor Dong WAN

Dong WAN 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: 11690288
    Abstract: The present invention relates to a composition for an organic optoelectronic diode, comprising a first compound for an organic optoelectronic diode; and a second compound for an organic optoelectronic diode, and an organic optoelectronic diode and a display device including the same.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: June 27, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Wan Ryu, Sangshin Lee, Seungjae Lee, Sung-Hyun Jung, Eun Sun Yu, Dalho Huh
  • Publication number: 20230193416
    Abstract: Provided is a method for manufacturing a steel sheet, the method including: reheating a steel slab at a temperature of 1200° C. to 1350° C., the steel slab including, by weight%, carbon (C): 0.05% to 0.14%, silicon (Si): 0.01% to 1.0%, manganese (Mn): 1.5% to 2.5%, aluminum (Al): 0.01% to 0.1%, chromium (Cr): 0.005% to 1.0%, phosphorus (P): 0.001% to 0.05%, sulfur (S): 0.001% to 0.01%, nitrogen (N): 0.001% to 0.01%, niobium (Nb): 0.005% to 0.06%, titanium (Ti): 0.005% to 0.11%, and a balance of iron (Fe) and inevitable impurities; finish hot rolling the reheated steel slab under predetermined conditions to obtain a hot-rolled steel sheet; cooling the hot-rolled steel sheet at a cooling rate of 10° C./s to 100° C./s to a temperature of 400° C. to 500° C. after the finish hot rolling; and coiling the steel sheet at a temperature of 400° C. to 500° C. after the cooling.
    Type: Application
    Filed: February 17, 2023
    Publication date: June 22, 2023
    Inventors: Sung-Il KIM, Hyun-Taek NA, Dong-Wan KIM
  • Publication number: 20230189510
    Abstract: A semiconductor device includes a substrate having an active cell region and an interfacial region adjacent to each other in a first direction, bit lines on the active cell region of the substrate that are spaced apart from each other in a second direction that intersects the first direction, and bit-line pads on the interfacial region of the substrate that are spaced apart from each other in the second direction. Each of the bit lines includes a first bit line and a second bit line that extend in the first direction and are spaced apart from each other in the second direction, a connection part that connects a first end of the first bit line to a second end of the second bit line, and a coupling part that connects one of the bit-line pads to one of the first bit line, the second bit line, and the connection part.
    Type: Application
    Filed: June 30, 2022
    Publication date: June 15, 2023
    Inventors: Jihoon CHANG, Dong-Wan KIM, Dong-Sik PARK
  • Patent number: 11673875
    Abstract: The present invention relates to an organic compound represented by Chemical Formula 1, an organic optoelectronic diode, and a display device.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: June 13, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Sung-Hyun Jung, Dong Wan Ryu, Chang Ju Shin, Hanill Lee, Chunkeun Jang
  • Publication number: 20230178843
    Abstract: The present invention relates to a secondary battery. The secondary battery according to the present invention comprises an electrode assembly wherein electrodes and separators are alternatingly stacked, and a battery case in which the electrode assembly is accommodated, where the battery case comprises a first gas pocket on which a first collection space for collecting gases in the battery case is formed, and on which is provided a first exhaust port from which gases in the first collection space are exhausted, and a second gas pocket on which a second collection space for collecting gases exhausted from the first exhaust port is formed, and on which is provided a second exhaust port for outward exhaust of gas in the second collection space.
    Type: Application
    Filed: April 27, 2021
    Publication date: June 8, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Do Yul Kim, Dong Wan Ko, Ki Young Lee
  • Publication number: 20230165182
    Abstract: Disclosed herein are an apparatus and method for providing a wide-area precision agriculture service based on collaboration between heterogeneous drones. The method for providing a wide-area precision agriculture service based on collaboration between heterogeneous drones includes transferring first mission information including photography of an entirety of arable land to a fixed-wing drone, receiving first drone data corresponding to the first mission information from the fixed-wing drone, and analyzing the entire agricultural arable land based on the first drone data, and transferring detailed mission information generated based on a result of analysis of the entire agricultural arable land to at least one rotary-wing drone.
    Type: Application
    Filed: October 28, 2022
    Publication date: June 1, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yang-Jae JEONG, Kyung-Il KIM, Chae-Deok LIM, Beob-Kyun KIM, Young-Bin KIM, Jin-Ah SHIN, Duk-Kyun WOO, Dong-Wan RYOO, Yoo-Jin LIM, Su-Jung HA
  • Patent number: 11659765
    Abstract: The present invention relates to a composition for an organic optoelectronic element, and an organic optoelectronic element and a display device utilizing same, wherein the composition includes a first compound for an organic optoelectronic element, the first compound being represented by a combination of specific chemical formulae; and a second compound for an organic optoelectronic element, the second compound being represented by a different specific chemical formula.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seungjae Lee, Hyung Sun Kim, Dong Wan Ryu, Juyeon Jung, Ho Kuk Jung, Changwoo Kim, Hyunjung Kim, Chang Ju Shin, Yongtak Yang, Sung-Hyun Jung
  • Patent number: 11655205
    Abstract: A compound for an organic optoelectronic device, an organic optoelectronic device, and a display device including the same, the compound being represented by Chemical Formula 1:
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Wan Ryu, Jinhyun Lui, Hyunji Yoo, Youngkyoung Jo, Seungchul Lyu, Min Seok Seo, Ho Kuk Jung, Sung-Hyun Jung
  • Publication number: 20230146012
    Abstract: Disclosed are semiconductor memory devices and their fabrication methods. The semiconductor memory device comprises a semiconductor substrate that includes a cell array region and a peripheral region, a plurality of bottom electrodes on the semiconductor substrate on the cell array region, a dielectric layer that conformally covers sidewalls and top surfaces of the bottom electrodes, and a top electrode on the dielectric layer and between the bottom electrodes. The top electrode includes a first metal layer, a silicon-germanium layer, a second metal layer, and a silicon layer that are sequentially stacked. An amount of boron in the silicon-germanium layer is greater than an amount of boron in the silicon layer.
    Type: Application
    Filed: September 28, 2022
    Publication date: May 11, 2023
    Inventors: HYEON-WOO JANG, DONG-WAN KIM, Keonhee PARK, DONG-SIK PARK, SOOHO SHIN, JIHOON CHANG
  • Publication number: 20230144353
    Abstract: The present disclosure relates to a board connector comprising a plurality of RF contacts; an insulation unit; a plurality of transmit contacts and a plurality of second RF contacts, so that the first and second RF contacts are spaced apart along a first axial direction; a ground housing; a first ground contact coupled to the insulation unit, and providing shielding between the first RF contacts and the transmit contacts, with respect to the first axial direction; and a second ground contact coupled to the insulation unit, and providing shielding between the second RF contacts and the transmit contacts, with respect to the first axial direction, wherein the first ground contact provides shielding between the first RF contacts and the transmit contacts, with respect to the first axial direction, and provides shielding between the first RF contacts with respect to a second axial direction perpendicular to the first axial direction.
    Type: Application
    Filed: March 8, 2021
    Publication date: May 11, 2023
    Inventors: Sang Jun OH, Dong Wan KIM, Hyun Joo HWANG
  • Publication number: 20230121052
    Abstract: A resource resettable deep neural network accelerator according to an embodiment of the present disclosure includes: a memory layer including a scratchpad memory layer configured to divide deep neural network parameter data (hereinafter, data) in an external memory layer into a plurality of tiles and to load the divided tiles, and a register file memory layer configured to load tiled data of the scratchpad memory layer; and a plurality of cores configured to process an inference operation for the data loaded in the register file memory layer, wherein the memory layer includes a virtual tiling layer added to a certain location for loading the tiled data from a previous memory layer so as to correspond to a specific tiling size.
    Type: Application
    Filed: October 14, 2022
    Publication date: April 20, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Young Bin KIM, Jin Ah SHIN, Chae Deok LIM, Kyung Il KIM, Beob Kyun KIM, Duk Kyun WOO, Dong Wan RYOO, Yoo Jin LIM, Yang Jae JEONG, Su Jung HA
  • Publication number: 20230114380
    Abstract: A cerium oxide nanocomplex, a method for preparing the cerium oxide nanocomplex, a composition containing the cerium oxide nanocomplex as an active ingredient, and a method for preventing or treating inflammatory or autoimmune diseases. The composition may be used as an efficient nanoparticle therapeutic composition by applying a biocompatible dispersion stabilizer composed of an optimal combination to significantly improve the biomedical stability, biocompatibility, and efficiency of the production process of nanoparticles while maintaining the intrinsic pharmacological effect of the nanoparticles.
    Type: Application
    Filed: March 25, 2021
    Publication date: April 13, 2023
    Applicant: CENYX BIOTECH INC.
    Inventors: Seung-Hoon LEE, Bong Geun CHA, Dong-Wan KANG
  • Patent number: 11626377
    Abstract: A semiconductor device includes a semiconductor substrate including a chip region and an edge region around the chip region, a lower insulating layer on the semiconductor substrate, a chip pad on the lower insulating layer on the chip region, an upper insulating layer provided on the lower insulating layer to cover the chip pad, the upper and different insulating layers including different materials, and a redistribution chip pad on the chip region and connected to the chip pad. The upper insulating layer includes a first portion on the chip region having a first thickness, a second portion on the edge region having a second thickness, and a third portion on the edge region, the third portion extending from the second portion, spaced from the first portion, and having a decreasing thickness away from the second portion. The second thickness is smaller than the first thickness.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: April 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Hoon Han, Dong-Wan Kim, Dongho Kim, Jaewon Seo
  • Publication number: 20230104947
    Abstract: The present disclosure pertains to a board connector comprising a plurality of RF contacts; an insulating part; a plurality of transmission contacts coupled to the insulating part between a first RF contact and a second RF contact, such that the RF contacts are spaced from each other in a first axial direction; and a ground housing to which the insulating part is coupled, the ground housing comprising a ground inner wall, a ground outer wall, and a ground connection wall coupled to each of the ground inner and outer walls, wherein the ground inner and outer walls are double-shielding walls surrounding the side of an inner space, the RF contacts are located in the inner space surrounded by the double-shielding walls, and each of the ground inner and outer walls contacts the ground housing of a counter connector inserted into the inner space.
    Type: Application
    Filed: February 5, 2021
    Publication date: April 6, 2023
    Inventors: Sang Jun OH, In Duk SONG, Seok LEE, Hyun Joo HWANG, Dong Wan KIM
  • Patent number: 11612552
    Abstract: The present invention relates to a composition for surface modification. The composition for surface modification according to the present invention contains a particular carbodiimide-based compound, thus forms a covalent bond without damaging skin, hair, or fabric, and semipermanently provides desired skin or hair surface modification effects or fabric care effects.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: March 28, 2023
    Inventors: Seong Kil Son, Kyoung Ran Park, Dong Wan Kim, Kyung Hwan Kim, Ji Hee Yoo, Young Hyun Kim, Jeong Rae Lee, Sang Min Lee
  • Patent number: 11616202
    Abstract: A compound represented by a combination of Chemical Formula 1 and Chemical Formula 2 bonded together, a composition including the compound, an organic optoelectronic device, and a display device are disclosed. In Chemical Formula 1 and Chemical Formula 2, each substituent is the same as described in the specification.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: March 28, 2023
    Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Seungjae Lee, Changwoo Kim, Byungku Kim, Hyung Sun Kim, Dong Wan Ryu, Chang Ju Shin, Kipo Jang, Min Seok Seo, Sung-Hyun Jung
  • Publication number: 20230088314
    Abstract: The present invention relates to a composition for surface modification. The composition for surface modification according to the present invention contains a particular carbodiimide-based compound, thus forms a covalent bond without damaging skin, hair, or fabric, and semipermanently provides desired skin or hair surface modification effects or fabric care effects.
    Type: Application
    Filed: October 14, 2022
    Publication date: March 23, 2023
    Applicant: LG Household & Health Care Ltd.
    Inventors: Seong Kil Son, Kyoung Ran Park, Dong Wan Kim, Kyung Hwan Kim, Ji Hee Yoo, Young Hyun Kim, Jeong Rae Lee, Sang Min Lee
  • Patent number: 11591667
    Abstract: Provided is a high-strength steel sheet having high impact resistance. The steel sheet includes: by weight %, carbon (C): 0.05% to 0.14%, silicon (Si): 0.01% to 1.0%, manganese (Mn): 1.5% to 2.5%, aluminum (Al): 0.01% to 0.1%, chromium (Cr): 0.005% to 1.0%, phosphorus (P): 0.001% to 0.05%, sulfur (S): 0.001% to 0.01%, nitrogen (N): 0.001% to 0.01%, niobium (Nb): 0.005% to 0.06%, titanium (Ti): 0.005% to 0.11%, and the balance of iron (Fe) and inevitable impurities. The steel sheet has a microstructure comprising ferrite and bainite in a total area fraction of 90% or more. The steel sheet has a value of 0.05 to 1.0 as a shear texture ({110}<112>, {112}<111>) area ratio of a center region (ranging deeper than 1/10t to ½t in a thickness direction, t refers to thickness (mm)) and a surface region (ranging from a surface to 1/10t in the thickness direction).
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: February 28, 2023
    Assignee: POSCO CO., LTD
    Inventors: Sung-Ii Kim, Hyun-Taek Na, Dong-Wan Kim
  • Publication number: 20230056967
    Abstract: The present disclosure pertains to a board connector comprising a plurality of radio frequency (RF) contacts for transmitting RF signals; an insulating part supporting the RF contacts; a plurality of transmission contacts coupled to the insulating part and between a first RF contact and a second RF contact, such that the first RF contact and the second RF contact are spaced in a first axial direction; and a grounding housing to which the insulating part is coupled, the grounding housing comprising an inner grounding wall, an outer grounding wall spaced apart from the inner grounding wall, and a grounding connection wall coupled to each of the inner and outer grounding walls, wherein the inner and outer grounding walls are double-shielding walls that surround the side of an inner space, and the first RF contact and the second RF contact are placed in the inner space surrounded by the double-shielding walls.
    Type: Application
    Filed: February 5, 2021
    Publication date: February 23, 2023
    Inventors: Dong Wan KIM, Hyun Joo Hwang, In Duk SONG, Sang Jun OH, Seok LEE
  • Publication number: 20230049302
    Abstract: A pressure measuring unit including: a body part configured to have an upper surface, a lower surface, and a plurality of side surfaces; a connector part configured to be provided to at least one side surface among the plurality of side surfaces of the body part; a pressure measuring part coupled to the upper surface of the body part and configured to measure a pressure applied toward the upper surface of the body part from the outside to generate a pressure value; and a control part connected to the pressure measuring part to receive the measured pressure value from the pressure measuring part and configured to output the received pressure value to a communication line connected thereto.
    Type: Application
    Filed: June 23, 2021
    Publication date: February 16, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Do-Yul KIM, Dong-Wan KO, Ki-Young LEE