Patents by Inventor Won Bae

Won Bae 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: 20250146180
    Abstract: Disclosed is a post-treatment method of a piezoelectric oxide single crystal substrate for suppressing pyroelectric properties of the substrate, and a method for manufacturing a lithium tantalate single crystal substrate using the same. According to one aspect of the present disclosure, there is provided a post-treatment method of a piezoelectric oxide single crystal substrate, the method including: loading at least one reducing agent and the single crystal substrate into a treatment device; and performing reduction treatment by heat treating the substrate while maintaining the inside of the treatment device in a preset environment, wherein the preset environment means that heat treatment is performed at a temperature of 200° C. to 400° C. under normal pressure.
    Type: Application
    Filed: October 16, 2024
    Publication date: May 8, 2025
    Applicant: Korea Photonics Technology Institute
    Inventors: Seon Hoon KIM, Ju Hyeon CHOI, Doo Gun KIM, Jeong Hwan IN, Ka Ram HAN, So Young KIM, Won Bae SOHN, June Hyuk KANG, Jehwan HWANG
  • Publication number: 20250093599
    Abstract: An optical module assembly is provided. The optical module assembly includes an electric sub-assembly including a printed circuit board (PCB) and an electronic device mounted on the PCB and an optical module including an interposer including a transparent material, an optical sub-assembly accommodating optical components, and a cover covering an upper portion of the optical sub-assembly, wherein one end portion of the PCB is inserted into the optical sub-assembly through an inserting hole formed in a sidewall of the optical sub-assembly, and the optical components and a substrate electrode formed on a surface of the one end portion of the PCB are electrically connected to each other by the interposer.
    Type: Application
    Filed: September 12, 2024
    Publication date: March 20, 2025
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Won-Bae KWON, Eun Kyu KANG, Jong Jin LEE, Soo Yong JUNG, Haechung KANG, Sangjin KWON, Myunghwan KIM
  • Publication number: 20250082687
    Abstract: The present invention relates to a composition for improving memory, improving cognition, preventing or treating cerebral neurological disease, comprising porcine brain enzyme hydrolysate. The composition can exhibit neuroprotective activity, brain-derived neurotrophic factor (BDNF) production activity, acetylcholinesterase inhibitory activity and reactive oxygen species (ROS) inhibitory activity.
    Type: Application
    Filed: January 9, 2023
    Publication date: March 13, 2025
    Applicant: UNIMED PHARMACEUTICALS INC.
    Inventors: Keun-Nam KIM, Jae-Joon SHIN, Kyung-Min KIM, Min-Ju KIM, Yun-Mi HWANG, Sun-Myung YOON, Dae-Eun KIM, Jin-Wook YANG, Gun-Won BAE
  • Publication number: 20250076601
    Abstract: An optical receiving module assembly is provided. The optical receiving module assembly includes an electric sub-assembly including a printed circuit board (PCB) including an opening portion and an electronic device mounted on the PCB and an optical receiving module including a first optical component mounted on the PCB and a second optical component mounted on the mount which includes a transparent material and is disposed in the opening portion, wherein the electronic device and the second optical component are electrically connected to each other by a mount electrode formed on a surface of the mount.
    Type: Application
    Filed: July 8, 2024
    Publication date: March 6, 2025
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Won-Bae KWON, Eun Kyu KANG, Jong Jin LEE, Soo Yong JUNG, Haechung KANG, Myunghwan KIM, Dae Woong MOON, Gye Sul CHO
  • Publication number: 20250069962
    Abstract: In one example, an electronic device can comprise a substrate, a substrate sidewall over a side of the substrate. An electronic device can be disposed over the side of substrate and adjacent the substrate sidewall. An internal interconnect can be disposed between the electronic device and the substrate sidewall. An encapsulant can cover the internal interconnect between the electronic device and the substrate sidewall. A lid attach material can be disposed over the substrate sidewall and the encapsulant. A lid can be coupled to the encapsulant and the substrate sidewall by the lid attach material. A cavity can be defined between a bottom side of the lid and a top side of the electronic device. Other examples and related methods are also disclosed herein.
    Type: Application
    Filed: August 21, 2023
    Publication date: February 27, 2025
    Applicant: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Mun Gil Ho, Ho Seung Seo, Won Bae Bang, Jin Young Khim, Sang Hyoun Lee, Ki Dong Sim
  • Patent number: 12227762
    Abstract: The present invention relates to a method for culturing neural stem cells into spheroids, the method including: culturing neural stem cells in a culture vessel coated with a protein containing a VGVPG pentapeptide and an RGD integrin receptor ligand; and isolating the neural stem cells that are aggregated and formed into spheroids during the culturing.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: February 18, 2025
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Cheil Moon, Won Bae Jeon, Sam Hwan Kim, Seong Kyoon Choi
  • Publication number: 20250055036
    Abstract: The present disclosure relates to a high energy density lithium secondary battery having significantly improved high-temperature storage characteristics and lifespan characteristics, which are problematic when a silicon-based negative electrode active material is applied. Specifically, a lithium secondary battery according to an exemplary embodiment includes a positive electrode; a negative electrode facing the positive electrode and including a silicon-based negative electrode active material; and a non-aqueous electrolyte containing a non-aqueous organic solvent including a di-fluoro-based organic solvent and a lithium salt, wherein a content of the di-fluoro-based organic solvent is 5 to 20 vol % with respect to a total volume of the non-aqueous organic solvent.
    Type: Application
    Filed: August 5, 2024
    Publication date: February 13, 2025
    Inventors: Yeon Hwa SONG, Jae Ram KIM, Ji Won NA, Jae Yun MIN, Sang Won BAE, Ji Hee BAE, Ki Joo EOM, Myung Ro LEE, Yong Seok LEE, Jae Yeong LEE, Hyun Joong JANG
  • Publication number: 20250042748
    Abstract: An anode for a secondary battery includes an anode current collector, a first anode active material layer disposed on at least one surface of the anode current collector and including a first anode active material that includes a first silicon composite oxide, and a second anode active material layer disposed on the first anode active material layer and including a second anode active material that includes a second silicon composite oxide. Each of the first silicon composite oxide and the second silicon composite oxide includes a metal. A BET specific surface area of each of the first silicon composite oxide and the second silicon composite oxide is in a range from 2.0 m2/g to 6.5 m2/g.
    Type: Application
    Filed: July 17, 2024
    Publication date: February 6, 2025
    Inventors: Ji Hee BAE, Hyeon Soo KANG, Jae Ram KIM, Ji Won NA, So Hyun PARK, Sang Won BAE, Yeon Hwa SONG, Ki Joo EOM, Jeong Seok YEON, Myung Ro LEE, Jae Yeong LEE, Hyun Joong JANG
  • Patent number: 12216317
    Abstract: A multi-channel optical sub-assembly includes a printed circuit board with a signal processor mounted thereon, a package window mounted on the printed circuit board, the package window including a transparent material, a package mounted on the package window, and an optical device accommodated into an inner space of the package and configured to convert an electrical signal, input from the signal processor, into an optical signal, wherein the electrical signal sequentially passes through a window through electrode buried in the package window and a package through electrode buried in the package and is input to the optical device.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: February 4, 2025
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Eun Kyu Kang, Jong Jin Lee, Dae Seon Kim, Sang Jin Kwon, Won Bae Kwon, Soo Yong Jung, Hae Chung Kang, Dae Woong Moon, Gye Sul Cho
  • Publication number: 20250023022
    Abstract: An anode for a lithium secondary battery includes an anode current collector, and an anode active material layer formed on at least one surface of the anode current collector. The anode active material layer includes a first region adjacent to the anode current collector and a second region spaced apart from the anode current collector in a thickness direction with the first region interposed therebetween. The anode active material layer includes an anode active material including an artificial graphite-based active material and a silicon-based active material having a minimum particle diameter (Dmin) in a range from 1 ?m to 5 ?m. A content of the silicon-based active material based on a total weight of the anode active material included in the second region is greater than a content of the silicon-based active material based on a total weight of the anode active material included in the first region.
    Type: Application
    Filed: June 24, 2024
    Publication date: January 16, 2025
    Inventors: So Hyun PARK, Jae Ram KIM, Jeong Seok YEON, Ji Won NA, Sang Won BAE, Ji Hee BAE, Jae Yeong LEE
  • Patent number: 12189194
    Abstract: An optical receiver sub-assembly is provided, which includes a substrate, an optical waveguide device mounted on the substrate to transfer ray incident from a ray source, and a photodetector mounted on the substrate and disposed under a vertical cross-sectional surface of the optical waveguide device, wherein the ray is sequentially reflected and refracted by an upper slope surface and a lower slope surface provided in the vertical cross-sectional surface and is vertically incident on an active area of the photodetector.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: January 7, 2025
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Won Bae Kwon, Jong Jin Lee, Eun Kyu Kang, Soo Yong Jung, Hae Chung Kang, Sang Jin Kwon, Dae Seon Kim
  • Publication number: 20240404902
    Abstract: A packaged semiconductor device includes a routable molded lead frame structure with a surface finish layer. In one embodiment, the routable molded lead frame structure includes a first laminated layer including the surface finish layer, vias connected to the surface finish layer, and a first resin layer covering the vias leaving the top surface of the surface finish layer exposed. A second laminated layer includes second conductive patterns connected to the vias, bump pads connected to the second conductive patterns, and a second resin layer covering one side of the first resin layer, the second conductive patterns and the bump pads. A semiconductor die is electrically connected to the surface finish layer and an encapsulant covers the semiconductor die and another side of the first resin layer. The surface finish layer provides a customizable and improved bonding structure for connecting the semiconductor die to the routable molded lead frame structure.
    Type: Application
    Filed: August 12, 2024
    Publication date: December 5, 2024
    Applicant: Amkor Technology Singapore Holding Pte. Ltd
    Inventors: Won Bae BANG, Byong Jin KIM, Gi Jeong KIM, Jae Doo KWON, Hyung Il JEON
  • Publication number: 20240405208
    Abstract: An anode for a secondary battery includes an anode current collector, and an anode active material layer including a first anode active material layer and a second anode active material layer sequentially stacked from a surface of the anode current collector. Each of the first anode active material layer and the second anode active material layer includes a carbon-based active material and a silicon-based active material as an anode active material, and a carbon nanotube as a conductive material. A content of the silicon-based active material in the second anode active material layer is greater than a content of the silicon-based active material in the first anode active material layer. A Raman R value of the carbon nanotube included in the second anode active material layer is smaller than a Raman R value of the carbon nanotube included in the first anode active material layer.
    Type: Application
    Filed: August 13, 2024
    Publication date: December 5, 2024
    Inventors: Yong Seok Lee, Jae Yun Min, Jae Ram Kim, Jung Hwan Kim, Sang Won Bae, Ji Hee Bae, Myung Ro Lee, Jae Yeong Lee
  • Patent number: 12159968
    Abstract: Embodiments of the present invention provide a lithium secondary battery including anode active material layers which have a multi-layered structure and include carbon-based active materials having different contents from each other, thereby improving mechanical stability and battery performance.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: December 3, 2024
    Assignee: SK On Co., Ltd.
    Inventors: Yong Seok Lee, Jung Hwan Kim, Sang Won Bae, Ji Hee Bae, Myung Ro Lee, Jae Yun Min
  • Publication number: 20240387801
    Abstract: An anode active material composition for a lithium secondary battery includes a carbon-based anode active material and a silicon-based anode active material, wherein the carbon-based anode active material has an orientation (I004/I110, here, I004 is a peak intensity of the (004) plane when measuring X-ray diffraction (XRD) of the carbon-based anode active material, and I110 is a peak intensity of the (110) plane when measuring XRD of the carbon-based anode active material) of 2.85 or less measured by XRD.
    Type: Application
    Filed: May 16, 2024
    Publication date: November 21, 2024
    Inventors: Yong Seok LEE, Sung Do KIM, Jae Ram KIM, Jeong A KIM, So Hyun PARK, Sang Won BAE, Seung Deok SEO, Ki Joo EOM, Jong Hyuk LEE, Hyun Joong JANG
  • Publication number: 20240363506
    Abstract: A thin semiconductor device with enhanced edge protection, and a method of manufacturing thereof. For example and without limitation, various aspects of this disclosure provide a thin semiconductor device comprising a substrate with an edge-protection region, and a method of manufacturing thereof.
    Type: Application
    Filed: March 4, 2024
    Publication date: October 31, 2024
    Inventors: Won Bae Bang, Kwang Seok Oh
  • Publication number: 20240339666
    Abstract: A lithium secondary battery includes a cathode including a cathode active material that includes a lithium metal oxide, an anode facing the cathode and including an anode electrode active material that includes a graphite-based active material and a silicon-carbon composite, and an electrolyte solution including a lithium salt and an organic solvent, the lithium salt including lithium bis(fluorosulfonyl)imide (LiFSI) and the organic solvent including an acetate-based solvent. A content of the silicon-carbon composite is in a range from 5 wt % to 12 wt % based on a total weight of the anode active material.
    Type: Application
    Filed: April 1, 2024
    Publication date: October 10, 2024
    Inventors: Jae Yeong LEE, Jae Ram KIM, Ji Won NA, Sang Won BAE, Ji Hee BAE, Yeon Hwa SONG, Ki Joo EOM, Myung Ro LEE, Yong Seok LEE, Hyun Joong JANG
  • Publication number: 20240336839
    Abstract: A titanium nitride etchant composition and a method of forming a semiconductor device using the same are provided. The titanium nitride etchant composition includes hydrogen peroxide, phosphoric acid, and an amine compound, wherein the amine compound includes two or more nitrogen atoms.
    Type: Application
    Filed: November 14, 2023
    Publication date: October 10, 2024
    Applicants: Samsung Electronics Co,. Ltd., OCI Company Ltd.
    Inventors: GAYOUNG SONG, JUNG-MIN OH, TAE SOO KWON, JUN-EUN LEE, SANG WON BAE, Minjae SUNG, YOUN SUG YOO, WOOK CHANG
  • Patent number: 12111144
    Abstract: The present invention relates to an electronic self-destructing fuse structure which releases a safety device by means of a predetermined level of setback and centrifugal force after a 40 mm grenade is launched, thereby ensuring safety, and which can explode according to the application of an impact of a predetermined level or higher, and also self-destruct after a predetermined time elapses if the impact does not reach the predetermined level and an explosion does not occur, thereby preventing the occurrence of an unexploded grenade.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: October 8, 2024
    Assignee: SEJU ENGINEERING CO., LTD.
    Inventor: Won-Bae Lee
  • Publication number: 20240316140
    Abstract: The present invention relates to: a composition for liver protection, comprising a mixture of a porcine placenta enzymatic hydrolysate and a porcine placenta acid hydrolysate; and a composition for the prevention, amelioration or treatment of liver damage caused by alcohol, drug addiction or hangover. The composition of the present invention has a remarkable effect on liver protection and, in particular, has a remarkable effect on the prevention, amelioration or treatment of liver damage caused by alcohol, and thus can be effectively used in the pharmaceutical field and the food field.
    Type: Application
    Filed: June 30, 2021
    Publication date: September 26, 2024
    Applicant: UBIO INC.
    Inventors: Keun Nam KIM, Gun Won BAE, Jee Sun HWANG, Sun Myung YOON