Patents by Inventor Sang Woo An

Sang Woo An 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: 20240083878
    Abstract: A compound represented by Chemical Formula 1 and an organic light emitting device including the same are provided. The compound is used as a material for an organic material layer of the organic light emitting device, and provides improved efficiency, low driving voltage, and increased lifespan of the organic light emitting device.
    Type: Application
    Filed: February 22, 2022
    Publication date: March 14, 2024
    Inventors: Min Woo Jung, Dong Hoon Lee, Sang Duk Suh, Jungha Lee, Su Jin Han, Seulchan Park, Sunghyun Hwang
  • Publication number: 20240084429
    Abstract: The present invention provides an aluminum-iron-plated steel sheet, having excellent mold wear resistance, for hot press forming, and a manufacturing method thereof.
    Type: Application
    Filed: December 17, 2020
    Publication date: March 14, 2024
    Applicant: POSCO
    Inventors: Jin-Keun Oh, Seong-Woo Kim, Sang-Heon Kim, Hyo-Sik Chun
  • 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: 11926529
    Abstract: Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol I sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: March 12, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Young Hun Kim, Se Won Baek, Sung Min Yu, Kyung Seok Min, Hyun Woo Jeon, Sang Woo Park, Bong June Kim
  • Patent number: 11930670
    Abstract: A display device comprises a substrate; a driving transistor including a first active layer and a switching transistor including a second active layer, the first active layer and the second active layer being disposed on the substrate; a first gate insulating layer disposed on the first active layer of the driving transistor and the second active layer of the switching transistor; first and second gate electrodes disposed on the first gate insulating layer to overlap the first active layer of the driving transistor and the second active layer of the switching transistor, respectively; a first interlayer insulating layer disposed on the first gate electrode and the second gate electrode; and a second interlayer insulating layer disposed on the first interlayer insulating layer to overlap the first active layer without overlapping the second active layer in a plan view.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: March 12, 2024
    Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University ERICA Campus
    Inventors: Sang Woo Sohn, Saeroonter Oh, Joon Seok Park, Young Joon Choi, Su Hyun Kim, Jun Hyung Lim
  • Publication number: 20240075534
    Abstract: A coated cutting tool having excellent wear resistance and controlled brittleness is provided. An embodiment of the present disclosure provides a coated cutting tool including: a substrate; and a cutting layer disposed on the substrate, wherein: the cutting layer includes a brittleness suppressing layer and a wear-resistant layer disposed on the brittleness suppressing layer; the substrate includes a hard alloy body such as cemented carbide, cermet, ceramic, cubic boron nitride-based materials, or high-speed steel; the brittleness suppressing layer includes a first layer and a second layer disposed on the first layer; the first layer and the second layer each independently includes any one of (AlbTi1-b)X (where 0.6<b<0.8, and X is at least one selected from N, C, CN, NO, CO, and CNO) and (TicAl1-c)X (where 0.4<c?0.5, and X is at least one selected from N, C, CN, NO, CO, and CNO); and the first layer and the second layer include materials different from each other.
    Type: Application
    Filed: August 15, 2023
    Publication date: March 7, 2024
    Inventors: SOO HYUN CHA, GEUN WOO PARK, SANG YOUNG JO, TAE YANG HAN
  • Publication number: 20240079547
    Abstract: The present invention relates to electrode slurry coating apparatus and method, the present invention ultimately allowing the process efficiency to be increased and rate of errors to be reduced when double-layer structured active material layers are formed by temporally adjusting the height of first and second discharge outlets through which active material is discharged.
    Type: Application
    Filed: November 7, 2023
    Publication date: March 7, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Taek Soo Lee, Young Joon Jo, Sang Hoon Choy, Ki Tae Kim, Ji Hee Yoon, Cheol Woo Kim
  • Publication number: 20240076127
    Abstract: Provided is a ceiling storage system capable of correcting a working position and constantly checking stability of a structure by detecting an amount of change in a facility. According to the ceiling storage system, a transport vehicle moves to an upper portion of a first storage area of a plurality of storage areas in a state of gripping an article, and the transport vehicle measures a first distance value between the transport vehicle and the first storage area using a distance sensor and measures a relative position value between the transport vehicle and the first storage area using a vision sensor, before unloading the article from the first storage area.
    Type: Application
    Filed: May 23, 2023
    Publication date: March 7, 2024
    Inventors: Sang Kyung LEE, Seung Gyu KANG, Hyun Jae KANG, Young Wook KIM, Sang A BANG, Yong-Jun AHN, Min Kyun LEE, Hyun Woo LEE, Jeong Hun LIM, Jun Hyuk CHANG
  • Publication number: 20240076799
    Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.
    Type: Application
    Filed: November 1, 2023
    Publication date: March 7, 2024
    Applicant: SENIC INC.
    Inventors: Jong Hwi PARK, Jung-Gyu KIM, Eun Su YANG, Byung Kyu JANG, Jung Woo CHOI, Yeon Sik LEE, Sang Ki KO, Kap-Ryeol KU
  • Publication number: 20240079563
    Abstract: The present disclosure provides an anode including an anode current collector, a first anode active material layer formed on at least one side of the anode current collector and comprising a carbon-based material, and a second anode active material layer formed on the first anode active material layer and comprising a silicon-based material and single-walled carbon nanotubes, wherein a weight ratio of the silicon-based material and the single-walled carbon nanotubes is 30:1 to 150:1, and a secondary battery including the same.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 7, 2024
    Inventors: Sung Woo LEE, Sang Baek RYU, Ok Hee KIM, Ji A LEE
  • Publication number: 20240079554
    Abstract: An electrode includes an electrode active material, wherein the electrode active material layer includes an electrode active material, polyvinylidene fluoride, and a conductive agent, wherein the conductive agent includes a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded to each other, and the carbon nanotube structure is included in an amount of 0.01 wt % to 0.5 wt % in the electrode active material layer. A secondary battery including the same, and a method of preparing the electrode are also provided.
    Type: Application
    Filed: October 18, 2023
    Publication date: March 7, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Seul Ki Kim, Tae Gon Kim, Je Young Kim, Wang Mo Jung, Jung Woo Yoo, Sang Wook Lee
  • Publication number: 20240081001
    Abstract: A display device includes a display panel having a folding axis extending in a first direction; and a panel supporter disposed on a surface of the display panel. The panel supporter includes a first layer including a first base resin and first fiber yarns extending in the first direction and dispersed in the first base resin, a second layer disposed on the first layer, the second layer including a second base resin and second fiber yarns extending in a second direction intersecting the first direction and dispersed in the second base resin, and a third layer disposed on the second layer, the third layer including a third base resin and third fiber yarns extending in the first direction and dispersed in the third base resin.
    Type: Application
    Filed: May 1, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Soh Ra HAN, Yong Hyuck LEE, Hong Kwan LEE, Hyun Jun CHO, Min Ji KIM, Sung Woo EO, Eun Gil CHOI, Sang Woo HAN
  • Publication number: 20240079642
    Abstract: The present invention relates to a method for preparing an alkali metal ion conductive chalcogenide-based solid electrolyte, a solid electrolyte prepared thereby, and an all-solid-state battery comprising the same.
    Type: Application
    Filed: January 11, 2022
    Publication date: March 7, 2024
    Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yoon Cheol HA, Sang Min LEE, Byung Gon KIM, Gum Jae PARK, Jun Woo PARK, Jun Ho PARK, Ji Hyun YU, Won Jae LEE, You Jin LEE, Hae Young CHOI
  • Patent number: 11925098
    Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myoung Geun Cha, Sang Gun Choi, Joon Woo Bae, Ji Yeong Shin, Yong Su Lee
  • Patent number: 11922059
    Abstract: A method of distributedly storing data in a system comprising a plurality of edge nodes communicatively coupled to an end device and a central cloud. The method includes: receiving, by a first edge node, data transmitted by the end device; assigning, by the first edge node, a data tag to received data according to attributes of the received data and duplicating the received data to generate a tagged data copy; and transmitting, by the first edge node, the tagged data copy to at least one second edge node determined by a data distribution policy determined by the central cloud directly or through the central cloud, so that the at least one second edge node store the tagged data copy in a storage.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: March 5, 2024
    Assignee: Penta Security Systems Inc.
    Inventors: Myung Woo Chung, Chel Park, Sang Gyoo Sim, Eui Seok Kim, Duk Soo Kim, Seok Woo Lee
  • Publication number: 20240074008
    Abstract: The present invention relates to a base plate structure facilitating heat discharge of a heating coil. According to some embodiment of the present invention, the base plate structure comprises a circular base plate where at least one or more hall effect sensors are disposed in a center sensor portion. One or more unit mounting groove portions are defined by a closed partition wall protruding from a lower side of the base plate. One or more protrusion portions protrude from an upper side of the base plate such that the heating coil wound in the upper side of the base plate is spaced apart from the upper side of the base plate. One or more heat discharge openings are provided in a bottom side of the unit mounting groove portions.
    Type: Application
    Filed: August 23, 2023
    Publication date: February 29, 2024
    Inventors: Myung Ock LEE, Sang Woo KIM
  • Publication number: 20240071910
    Abstract: A three-dimensional semiconductor device may comprise a first cell region, a second cell region, and a via plug region disposed between the first cell region and the second cell region; a word line stack disposed in the first cell region, the via plug region, and the second cell region, the word line stack including a plurality of word lines and a plurality of interlayer insulating layers which are alternately stacked; and a plurality of via plugs exclusively connected to the plurality of the word lines, respectively, by vertically penetrating through the word line stack in the via plug region. The via plugs may have an arrangement of a zigzag pattern in a row direction from a top view. The diameters of the via plugs may increase in the row direction.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Inventors: Sung Lae OH, Sang Woo PARK, Dong Hyuk CHAE
  • Publication number: 20240073559
    Abstract: Electrical Phase Detection Auto Focus. In one embodiment, an image sensor includes a plurality of pixels arranged in rows and columns of a pixel array disposed in a semiconductor material. Each pixel includes a plurality of photodiodes configured to receive incoming light through an illuminated surface of the semiconductor material. The plurality of pixels includes at least one autofocusing phase detection (PDAF) pixel having: a first subpixel without a light shielding, and a second subpixel without the light shielding. Autofocusing of the image sensor is at least in part determined based on different electrical outputs of the first subpixel and the second sub pixels.
    Type: Application
    Filed: August 23, 2022
    Publication date: February 29, 2024
    Inventors: Young Woo Jung, Chih-Wei Hsiung, Vincent Venezia, Zhiqiang Lin, Sang Joo Lee
  • Patent number: 11917818
    Abstract: A memory may include a first wafer, and a second wafer stacked on and bonded to the first wafer. The first wafer may include a cell structure including a memory cell array; and a first logic structure disposed under the cell structure, and including a row control circuit. The second wafer may include a second logic structure including a column control circuit.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: February 27, 2024
    Assignee: SK HYNIX INC.
    Inventors: Sung Lae Oh, Sang Woo Park, Dong Hyuk Chae, Ki Soo Kim
  • Patent number: 11914564
    Abstract: A Merkle tree-based data management method may comprise: aligning data into two-dimensional square matrix; calculating a hash value of each node of the two-dimensional square matrix; calculating hash values of each row of the two-dimensional square matrix; generating an additional column with nodes having the hash values of each row; calculating hash values of each column of the two-dimensional square matrix; generating an additional row with nodes having hash values of each column; and calculating a Merkle root by concatenating the hash values of the additional column and the hash values of the additional row.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: February 27, 2024
    Assignee: Penta Security Inc.
    Inventors: Jin Hyeok Oh, Keon Yun, Sun Woo Yun, Sang Min Lee, Jun Yong Lee, Sang Gyoo Sim, Tae Gyun Kim