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).

  • Publication number: 20210335743
    Abstract: A semiconductor device includes a semiconductor substrate and a connection terminal, including a base pillar, on the semiconductor substrate. An insulation layer is formed on the semiconductor substrate, the insulation layer including an opening in the insulation layer through which the base pillar extends, wherein a side wall of the insulation layer defining the opening includes a horizontal step at a level that is lower than an uppermost portion of the base pillar.
    Type: Application
    Filed: July 9, 2021
    Publication date: October 28, 2021
    Inventors: JU-IK LEE, DONG-WAN KIM, SEOKHO SHIN, JUNG-HOON HAN, SANG-OH PARK
  • Publication number: 20210327839
    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: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Inventors: Jung-Hoon HAN, Dong-Wan KIM, Dongho KIM, Jaewon SEO
  • Patent number: 11145820
    Abstract: An organic optoelectronic device and a display device including the same, the organic optoelectronic device including: an anode and a cathode facing each other; a light-emitting layer positioned between the anode and the cathode; a hole transport layer positioned between the anode and the light-emitting layer; an auxiliary hole transport layer positioned between the hole transport layer and the light-emitting layer; an electron transport layer positioned between the cathode and the light-emitting layer; and an auxiliary electron transport layer positioned between the electron transport layer and the light-emitting layer, wherein the auxiliary electron transport layer includes at least one kind of first compound represented by chemical formula 1, and the auxiliary hole transport layer includes at least one kind of second compound represented by a combination of a moiety represented by chemical formula 2, a moiety represented by chemical formula 3 and a moiety represented by chemical formula 4.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: October 12, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ho-Kuk Jung, Jae-Jin Oh, Dong-Wan Ryu, Su-Jin Han, Gi-Wook Kang, Eui-Su Kang, Youn-Hwan Kim, Hun Kim, Jae-Han Park, Yong-Tak Yang, Eun-Sun Yu, Han-Ill Lee, Woo-Seok Jeong
  • Patent number: 11123301
    Abstract: Provided are a ceria nanocomposite including a ceria nanoparticle for treating subarachnoid hemorrhage, a method of preparing the same, and a pharmaceutical composition including the ceria nanocomposite. The ceria nanocomposite for treating subarachnoid hemorrhage disclosed herein includes a ceria nanoparticle and a surface modified layer disposed on a surface of the ceria nanoparticle, wherein the surface modified layer includes a polyethylene glycol residue.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: September 21, 2021
    Assignee: Cenyx Biotech Inc.
    Inventors: Seung-Hoon Lee, Han-Gil Jeong, Do Yeon Kim, Dong-Wan Kang, Jaeyun Kim, Bong Geun Cha
  • Patent number: 11123717
    Abstract: Disclosed is a catalyst for oxygen reduction and evolution reactions. The catalyst is in the form of nickel sulfide (NiS2) nanosheets. NiS2 molecules are cross-linked and oriented two-dimensionally in the NiS2 nanosheets. Also disclosed is a method for producing the catalyst.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: September 21, 2021
    Assignee: Korea University Research and Business Foundation
    Inventors: Dong-Wan Kim, Bobae Ju, Hee Jo Song, Hyunseok Yoon
  • Publication number: 20210280954
    Abstract: A ceramic waveguide filter comprises a plurality of resonant cavities defined by a plurality of through partition walls formed in a single ceramic block to divide sections of the ceramic block according to a pre-designated pattern, a plurality of resonant recesses formed in the sections of the plurality of resonant cavities divided by the through partition walls, a metal layer formed on an inner surface of each of the plurality of through partition walls, and input/output interfaces formed in two resonant cavities inputting and outputting signals among the plurality of resonant cavities.
    Type: Application
    Filed: May 25, 2021
    Publication date: September 9, 2021
    Inventor: Dong Wan CHUN
  • Publication number: 20210269892
    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: Application
    Filed: July 24, 2019
    Publication date: September 2, 2021
    Inventors: Sung-Il KIM, Hyun-Taek NA, Dong-Wan KIM
  • Patent number: 11108123
    Abstract: A triple-mode dielectric resonator filter includes: a dielectric resonator positioned in a cavity of a housing and formed perpendicular to a longitudinal direction of the housing; a dielectric support coupled to the dielectric resonator through a bonding process and mounted and fixed by a fixing screw passing through a screw fixing mounting hole in the cavity of the housing and fixed to support the dielectric resonator at a predetermined height; and compensation blocks formed to protrude at regular intervals on a side surface of the dielectric resonator to allow the dielectric resonator to operate in three modes. A band pass filter composed of a dielectric resonator and an NRN stub achieves an improved insertion loss, high compression properties and a stable structure compared to a typical band pass filter using an NRN stub.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: August 31, 2021
    Assignee: ACE TECHNOLOGIES CORPORATION
    Inventors: Dong Wan Chun, Jae Kwang Yoon
  • Patent number: 11091833
    Abstract: The present invention relates to carbon material having, on the base material, a coating layer that includes TaC, and a method for producing the carbon material. For example, the carbon material may include a base material and a coating layer on the surface of the base material. The coating layer may include TaC, which may have a maximum diffraction peak value on the (111) surface, where diffraction peak values may be generated by diffractions of X-rays in XRD analysis.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: August 17, 2021
    Assignee: TOKAI CARBON KOREA CO., LTD
    Inventor: Dong Wan Jo
  • Patent number: 11075181
    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: May 21, 2019
    Date of Patent: July 27, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Hoon Han, Dong-Wan Kim, Dongho Kim, Jaewon Seo
  • Patent number: 11075183
    Abstract: A semiconductor device includes a semiconductor substrate and a connection terminal, including a base pillar, on the semiconductor substrate. An insulation layer is formed on the semiconductor substrate, the insulation layer including an opening in the insulation layer through which the base pillar extends, wherein a side wall of the insulation layer defining the opening includes a horizontal step at a level that is lower than an uppermost portion of the base pillar.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: July 27, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ju-Ik Lee, Dong-Wan Kim, Seokho Shin, Jung-Hoon Han, Sang-Oh Park
  • Publication number: 20210202665
    Abstract: A display apparatus includes a lower substrate including a display area, a peripheral area and a pad area, a display structure disposed in the display area on the lower substrate, an upper substrate disposed on the display structure, a plurality of driving circuits disposed at a side of the pad area on the lower substrate and spaced apart from each other, a plurality of fan-out wires disposed between the plurality of driving circuits and the display structure in the pad area and the peripheral area on the lower substrate and electrically connecting the plurality of driving circuits and the display structure, and a functional module disposed on a bottom surface of the lower substrate. A first opening is formed in the lower substrate and disposed between adjacent ones of the plurality of fan-out wires, and the first opening and the functional module overlap each other.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Hye Eom, Dong Wan Choi
  • Publication number: 20210201570
    Abstract: Disclosed herein are a method and apparatus for generating a digital surface model using satellite imagery. The method includes correcting a geometric error in input satellite images, generating one or more depth maps using a stereo matching method based on the corrected satellite images, and generating a digital surface model by combining the generated depth maps and by estimating a height value for each location on the ground surface.
    Type: Application
    Filed: December 24, 2020
    Publication date: July 1, 2021
    Inventors: Jung-Jae YU, Kyung-Kyu KANG, Hye-Sun KIM, Chang-Joon PARK, Yun-Ji BAN, Dong-Wan RYOO, Man-Hee LEE, Chang-Woo CHU
  • Patent number: 11040480
    Abstract: The optical film according to the present invention has a feature that it has excellent property of blocking UV light and exhibits high slip property and thus enables self-winding even while using an acrylic resin not containing monomers having a ring structure.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: June 22, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sang Min Kwak, Seong Wook Kang, Dong Wan Kim, Kil An Jung, Ki Joong Lee, Min Su Park, Jong Sung Park
  • Patent number: 11043774
    Abstract: A male connector, which is connected to or disconnected from a female connector, and includes a male connector housing, male connector pins disposed in an inner space of the male connector housing, and a ground connection member having one side connected to the male connector pins and the other side connected to an inner wall of the male connector housing, wherein the ground connection member is provided in plural, and wherein the plurality of ground connection members are respectively connected to the male connector pins in one-to-one relationship and are detachably connected to the male connector pins, respectively, at positions spaced from front ends of the male connector pins by predetermined distances such that the plurality of ground connection members are separated in sequence from the male connector pin by the female connector according to a depth by which the female connector is inserted into the male connector housing.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: June 22, 2021
    Inventors: Dong-Wan Ko, Ki-Young Lee
  • Publication number: 20210143086
    Abstract: The semiconductor device includes a substrate including an integrated circuit and a contact that are electrically connected to each other, an insulation layer covering the substrate and including metal lines, and a through electrode electrically connected to the integrated circuit. The insulation layer includes an interlayer dielectric layer on the substrate and an intermetal dielectric layer on the interlayer dielectric layer. The metal lines include a first metal line in the interlayer dielectric layer and electrically connected to the contact, and a plurality of second metal lines in the intermetal dielectric layer and electrically connected to the first metal line and the through electrode. The through electrode includes a top surface higher than a top surface of the contact.
    Type: Application
    Filed: January 19, 2021
    Publication date: May 13, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-Wan KIM, Jung-Hoon HAN, Dong-Sik PARK
  • Publication number: 20210128449
    Abstract: One aspect of the present disclosure relates to a phase transfer cosmetic composition. According to the present disclosure, there can be provided a cosmetic composition which contains a wax having a melting point of 40 to 60° C. and an inulin-based surfactant, wherein the composition maintains a liquid state before applied to the skin and rubbed, and changes to a solid state when applied to the skin, can solve the problems in terms of hygiene and use because it is not used by scooping it by hand, and further, changes its phase to a solid state when applied to the skin and then rubbed, and thus, can solve the problem of dripping when applied to face or skin.
    Type: Application
    Filed: October 30, 2020
    Publication date: May 6, 2021
    Applicant: Amorepacific Corporation
    Inventors: Dong Wan HA, Yu Jung KIM, Dong Won CHOI, Yoon Kyun HWANG
  • Patent number: 10996386
    Abstract: The optical film according to the present invention has a feature that it has high adhesiveness and excellent property of blocking UV light even while using an acrylic resin having no ring structure in the main chain.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: May 4, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sang Min Kwak, Seong Wook Kang, Dong Wan Kim, Kil An Jung, Ki Joong Lee, Min Su Park, Jong Sung Park
  • Publication number: 20210122907
    Abstract: The invention relates to composition comprising (A) a propylene-based polymer, (B1) a first elastomer of ethylene and ?-olefin comonomer having 4 to 10 carbon atoms, (B2) a second elastomer of ethylene and ?-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler, wherein (B1) the first elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 5 to 50 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein (B2) the second elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 0.55 to 4 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein the total amount of (B1) the first elastomer and (B2) the second elastomer is 2 to 30 wt % based on the total composition, wherein the amount of (C) the inorganic filler is 0.1 to 30 wt % based on the total composition.
    Type: Application
    Filed: August 3, 2018
    Publication date: April 29, 2021
    Inventors: Ting Huang, Hongtao Shi, Yang Fu, Maria Soliman, Dong Wan
  • Patent number: 10991157
    Abstract: Disclosed herein are a method and apparatus for matching 3D terrain information based on aerial images captured at different altitudes.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: April 27, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung-Jae Yu, Kyung-Kyu Kang, Hye-Sun Kim, Chang-Joon Park, Yun-Ji Ban, Dong-Wan Ryoo, Man-Hee Lee, Chang-Woo Chu