Patents by Inventor Wan Song

Wan Song 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: 20250259912
    Abstract: A semiconductor package that include a MIM structure for capacitance measurement is provided. The semiconductor package includes a package substrate, a first semiconductor chip mounted on the package substrate, and a second semiconductor chip mounted on the package substrate and spaced apart from the first semiconductor chip, wherein the second semiconductor chip includes a buffer die, a first passivation film on the buffer die, a first memory die stacked on the first passivation film, a second passivation film on the first memory die, a second memory die stacked on the second passivation film, first vias in the buffer die, the first passivation film, the first memory die, the second passivation film, and the second memory die, and second vias in the first and second memory dies, respectively, and the second vias are configured to indicate an alignment between the first and second memory dies.
    Type: Application
    Filed: August 21, 2024
    Publication date: August 14, 2025
    Inventors: Ki Tae PARK, Seon Kyu KIM, Yong Jae SONG, Chi Wan SONG, Jae Wook JUNG, Seung Min BAEK, Joon Seok OH
  • Patent number: 12183886
    Abstract: Disclosed are an electrolyte solution and an additive thereof, which may improve electrochemical properties of a lithium secondary battery.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: December 31, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, The Industry & Academic Cooperation in Chungnam National University (IAC)
    Inventors: Jun Ki Rhee, Yoon Sung Lee, Sung Ho Ban, Seung Min Oh, Ko Eun Kim, Seung Wan Song, Gyeong Jun Chung
  • Publication number: 20240363816
    Abstract: A light emitting package is provided to include a substrate on which a circuit pattern is formed, a first optic layer, a light controller, and a second optic layer. The first optic layer may be arranged on the substrate to be electrically connected to the circuit pattern and generate and emit light. The light controller may cover a side surface of the first optic layer and may reflect light emitted from the side surface of the first optic layer. In addition, the second optic layer may cover the first optic layer and the light controller and be disposed on the substrate. The second optic layer may include a securing region secured on the substrate and a light emitting region disposed over the securing region. Light emitted from the first optic layer may be emitted to the outside of the second optic layer through the second optic layer.
    Type: Application
    Filed: July 12, 2024
    Publication date: October 31, 2024
    Inventors: Bo Ram I JANG, Ki Yon PARK, Jae Wan SONG
  • Patent number: 12012481
    Abstract: The invention discloses a block copolymer intrinsic stretchable electroluminescent elastomer and its preparation method and application. This type of elastomer is made from organic electroluminescent monomers, styrene and 1,3-butadiene through anionic polymerization. The innovation of the present invention is: for the first time, the organic electroluminescence unit is introduced into the elastomer by chemical crosslinking. On the basis of improving the intrinsic stretchability of the elastomer, at the same time, it has characteristics of excellent luminescence and high carrier mobility, novel structure and unique design strategy; meanwhile, it also solves the inherent non-stretchability problem of traditional organic optoelectronic materials and the problem that traditional elastomers do not have electroluminescent properties. This type of elastomer is used as a light-emitting layer material to prepare organic electroluminescent devices with high stability, high stretchability and high efficiency.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: June 18, 2024
    Assignee: Nanjing University of Posts and Telecommunications
    Inventors: Wen-Yong Lai, Wan Song, Xiangchun Li, Yu Yan, Wei Huang
  • Publication number: 20240194875
    Abstract: A graphite active material, a method for preparing the same, and a high-capacity secondary battery for high-speed charging including the same are described. The embodiments may improve the high-speed charging performance of a secondary battery and increase the capacity thereof when using a graphite active material having an increased interlayer distance of graphite as an anode material, and may provide a secondary battery that can be mounted on small and medium-sized electronic devices such as portable phones, various electric mobilities including commercial electric vehicles, and energy storage systems (ESS).
    Type: Application
    Filed: April 7, 2022
    Publication date: June 13, 2024
    Inventors: Seung-Wan SONG, Thi Hai Yen TRAN
  • Publication number: 20240136586
    Abstract: The present disclosure relates to a flame retardant or non-flammable liquid electrolyte and a lithium secondary battery including the same, wherein the liquid electrolyte is flame retardant or non-flammable and capable of preventing accidents such as a lithium secondary battery being on fire, catching fire, or exploding from occurring, thereby significantly improving battery safety, is capable of obtaining increased battery energy density by allowing high-voltage charge, is capable of rapid charge, and is capable of maintaining excellent battery performance for a long period of time.
    Type: Application
    Filed: February 8, 2022
    Publication date: April 25, 2024
    Inventors: Seung-Wan SONG, Kihun AN
  • Publication number: 20240136525
    Abstract: An anode active material and a high-capacity secondary battery for high speed charging including the same are described. When an anode active material including a composite material in which a high-capacity silicon-based anode active material and a graphite active material capable of enabling high-speed charging by increasing the interlayer distance are mixed is used as an anode, the high-speed charging performance of a secondary battery can be improved and the capacity thereof can be increased, and a secondary battery that can be mounted on small and medium-sized electronic devices such as portable phones and the like, various electric mobilities including commercial electric vehicles, and energy storage systems (ESS) can be provided.
    Type: Application
    Filed: October 10, 2023
    Publication date: April 25, 2024
    Inventors: Seung-Wan SONG, Dong Guk Kang, Thi Hai Yen TRAN
  • Publication number: 20240030279
    Abstract: The present disclosure provides a semiconductor structure and a method for forming the semiconductor structure. The method includes: providing a substrate including a device region and a guard ring region surrounding the device region; and forming a power device in the device region and forming a guard ring in the guard ring region, wherein the guard ring is doped with a first dopant ion that is formed by a partial doping process used in a formation of the power device, and a conductivity type of the first dopant ion in the guard ring is different from a device type of the power device. Since the guard ring is formed by the necessary doping process used in forming the power device, additional photomask process and doping process for forming the guard ring is omitted, effectively reducing process steps and process costs.
    Type: Application
    Filed: April 24, 2023
    Publication date: January 25, 2024
    Inventors: Zhengrong CHEN, Wensheng Qian, Sitong Chen, Zhaozhao Xu, Wan Song, Donghua Liu, Leping Wei
  • Patent number: 11855259
    Abstract: The present invention relates to a lithium secondary battery electrolyte and a lithium secondary battery including the same and, more specifically, to a flame retardant or nonflammable lithium secondary battery electrolyte having excellent stability even at a high voltage and a lithium secondary battery including the same.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: December 26, 2023
    Assignees: RENEWABLE ENERGY PLATFORM CO., LTD., THE INDUSTRY & ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY
    Inventors: Hee Cheol Kim, Younggil Kwon, Eui Hyeong Hwang, Ji Hee Jang, Sang Ho Lee, Seung Wan Song, Quang Hieu Pham
  • Patent number: 11855260
    Abstract: Disclosed is a nonincendive electrolyte for lithium secondary battery, the electrolyte using an organic solvent mixture including a first solvent containing fluorine and sulfur, a second solvent that is a linear carbonate-based compound containing fluorine, a third solvent that is a linear ester-based compound containing fluorine, and a fourth solvent that is a cyclic carbonate-based compound. Thus, the electrolyte is nonflammable or flame-retardant, thereby preventing a lithium secondary battery from catching on fire or exploding. That is, the electrolyte greatly improves the safety of a lithium secondary battery, allows the high voltage charge of a lithium secondary battery, and prevents the degradation of battery performance of a lithium secondary battery. In addition, a lithium secondary battery including the electrolyte is disclosed.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: December 26, 2023
    Assignee: The Industry & Academic Cooperation in Chungnam National University (IAC)
    Inventors: Seung-Wan Song, Kihun An, Sehyun Kwak
  • Patent number: 11817584
    Abstract: The present invention relates to a binder for a lithium secondary battery, an electrode comprising the same, and a lithium secondary battery comprising the electrode. More specifically, the present invention provides a binder for a lithium secondary battery having excellent cycle life and high energy density, an anode for a lithium secondary battery comprising the same, and a lithium secondary battery prepared therefrom.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: November 14, 2023
    Assignee: IPI TECH INC.
    Inventors: Seung Wan Song, Hieu Quang Pham, Hyun Min Jung
  • Patent number: 11764404
    Abstract: The electrolyte for a lithium secondary battery includes: a lithium salt; a solvent; and a functional additive, wherein the functional additive includes: at least one high-voltage additive selected from a group consisting of lithium bis(phthalato)borate, represented by the following formula 1; hexafluoroglutaric anhydride, represented by the following formula 2; and phosphoric acid tris(2,2,2-trifluoroethyl)ester, represented by the following formula 3:
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: September 19, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, The Industry & Academic Cooperation in Chungnam National University (IAC)
    Inventors: Ko Eun Kim, Seung Min Oh, Yoon Sung Lee, Jun Ki Rhee, Sung Ho Ban, Seung Wan Song, Gyeong Jun Chung
  • Publication number: 20230291012
    Abstract: Disclosed are an electrolytic solution for lithium secondary batteries capable of improving lifespan characteristics of a lithium secondary battery under a high voltage condition and a lithium secondary battery including the same. The electrolytic solution includes a lithium salt, a solvent, and a functional additive, and the functional additive includes a high-voltage additive including a first high-voltage additive, perfluoro-15-crown-5-ether, represented by [Formula 1] and a second high-voltage additive, fluoroethylene carbonate, represented by [Formula 2].
    Type: Application
    Filed: November 7, 2022
    Publication date: September 14, 2023
    Inventors: Ko Eun Kim, Seung Min Oh, Yoon Sung Lee, Hui Beom Nam, Jun Ki Rhee, Sung Ho Ban, Seung Wan Song, Min Geun Oh
  • Publication number: 20230291011
    Abstract: Disclosed are an electrolytic solution for lithium secondary batteries capable of improving lifespan characteristics of a lithium secondary battery under a high voltage condition and a lithium secondary battery including the same. The electrolytic solution may includes a lithium salt, a solvent, and a functional additive. In particular, the functional additive includes a high-voltage additive including a first high-voltage additive, e.g., hexafluoroglutaric anhydride, and a second high-voltage additive, e.g., fluoroethylene carbonate.
    Type: Application
    Filed: October 27, 2022
    Publication date: September 14, 2023
    Inventors: Ko Eun Kim, Seung Min Oh, Yoon Sung Lee, Sung Ho Ban, Jun Ki Rhee, Hui Beom Nam, Seung Wan Song, Min Geun Oh, Se Hyun Kwak
  • Publication number: 20230271125
    Abstract: A filter unit includes: a frame having an outer shape surrounding an opening through which air flows and having a collection surface and an opposite surface opposite to the collection surface; and a filter member that is disposed in the opening and filters foreign substances included in the flowing air. A folding groove is formed on the opposite surface of the frame. The folding groove is formed at at least two points of the frame so that when an external force is applied from the opposite surface of the frame toward the collection surface, one of a part and another part of the frame divided based on the folding groove relatively rotates toward the other one, and the frame is folded in such a way that a portion of the collection surface approaches another portion of the collection surface.
    Type: Application
    Filed: July 2, 2021
    Publication date: August 31, 2023
    Applicant: COWAY CO., LTD.
    Inventors: Hyun Kuk CHOI, Kyu Wan SONG, Mi Youn KYOUNG
  • Publication number: 20220320582
    Abstract: Disclosed are an electrolyte solution and an additive thereof, which may improve electrochemical properties of a lithium secondary battery.
    Type: Application
    Filed: November 9, 2021
    Publication date: October 6, 2022
    Inventors: Jun Ki Rhee, Yoon Sung Lee, Sung Ho Ban, Seung Min Oh, Ko Eun Kim, Seung Wan Song, Gyeong Jun Chung
  • Publication number: 20220131191
    Abstract: The electrolyte solution for a lithium secondary battery includes: a lithium salt, a solvent, and a functional additive, wherein the functional additive contains a bis(2,2,2-trifluoroethyl) carbonate, expressed by Formula 1 below:
    Type: Application
    Filed: August 11, 2021
    Publication date: April 28, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, The Industry & Academic Cooperation in Chungnam National University (IAC)
    Inventors: Yoon Ji Lee, Yoon Sung Lee, Seung Ho Ahn, Seung Wan Song
  • Publication number: 20220115702
    Abstract: The electrolyte for a lithium secondary battery includes: a lithium salt; a solvent; and a functional additive, wherein the functional additive includes: at least one high-voltage additive selected from a group consisting of lithium bis(phthalato)borate, represented by the following formula 1; hexafluoroglutaric anhydride, represented by the following formula 2; and phosphoric acid tris(2,2,2-trifluoroethyl)ester, represented by the following formula 3:
    Type: Application
    Filed: June 3, 2021
    Publication date: April 14, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, The Industry & Academic Cooperation in Chungnam National University (IAC)
    Inventors: Ko Eun Kim, Seung Min Oh, Yoon Sung Lee, Jun Ki Rhee, Sung Ho Ban, Seung Wan Song, Gyeong Jun Chung
  • Publication number: 20220009857
    Abstract: The present invention discloses multi-arm monomolecular white light-emitting materials, preparation method and application thereof. Benzene ring is used as a core, and penta-substituted pyrene and an electron-withdrawing group or an group electron-donating group Ar are used as arms to prepare the multi-arm monomolecular white light-emitting materials; wherein Ar is one of the electron-withdrawing groups such as nitro, cyano, tertiary amine cation, trifluoromethyl, trichloromethyl, sulfonic acid group, formyl, acyl, carboxyl, methoxy, pyridyl, diphenyl sulfone, triazinyl and anthracenedione; or one of the electron-donating groups such as pyrenyl, 9-carbazolyl, 2-thienyl, diphenylamino, tert-butyl diphenylamino, 9-phenoxazinyl, acridinyl, spiro-bifluorenyl, spirofluorenyl acridinyl, alkylamino, dialkylamino, amino and hydroxyl.
    Type: Application
    Filed: April 15, 2021
    Publication date: January 13, 2022
    Inventors: Wenyong LAI, Wan SONG, Xiangchun LI, Yu YAN, Wei HUANG
  • Publication number: 20220013811
    Abstract: Disclosed is a nonincendive electrolyte for lithium secondary battery, the electrolyte using an organic solvent mixture including a first solvent containing fluorine and sulfur, a second solvent that is a linear carbonate-based compound containing fluorine, a third solvent that is a linear ester-based compound containing fluorine, and a fourth solvent that is a cyclic carbonate-based compound. Thus, the electrolyte is nonflammable or flame-retardant, thereby preventing a lithium secondary battery from catching on fire or exploding. That is, the electrolyte greatly improves the safety of a lithium secondary battery, allows the high voltage charge of a lithium secondary battery, and prevents the degradation of battery performance of a lithium secondary battery. In addition, a lithium secondary battery including the electrolyte is disclosed.
    Type: Application
    Filed: July 6, 2021
    Publication date: January 13, 2022
    Applicant: The Industry & Academic Corporation in Changnam National University (IAC)
    Inventors: Seung-Wan SONG, Kihun An, Sehyun Kwak