Patents by Inventor Tae Gon Kim

Tae Gon Kim 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: 12266800
    Abstract: An electrode includes an electrode active material layer, wherein the electrode active material layer includes an electrode active material and a conductive agent, wherein the conductive agent includes a first conductive agent and a second conductive agent, wherein the first conductive agent includes a secondary particle in which a plurality of graphene sheets are arranged in different directions and a portion of one graphene sheet is connected to a portion of adjacent another graphene sheet, the second 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 electrode is also provided.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: April 1, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Tae Gon Kim, Sin Young Park, Bo Ram Lee, Hyung Man Cho, Tae Gu Yoo, Min Kwak
  • Patent number: 12261288
    Abstract: A positive electrode active material, a method for producing the same, and a positive electrode and a lithium secondary battery in including the same are disclosed herein. In some embodiments, a method of producing a positive electrode active material includes mixing a lithium transition metal oxide and a carbon-based material having a hollow structure to form a mixture, and mechanically treating the mixture to form a carbon coating layer on the surface of the lithium transition metal oxide, wherein the carbon-based material has a chain shape, and has a specific surface area of 500 m2/g or greater, a graphitization degree (ID/IG) of 1.0 or higher, and a dibutylphthalate (DBP) absorption of 300 mL/100 g or greater.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: March 25, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Min Kwak, Tae Gon Kim, Byung Chun Park, Bo Ram Lee, Tae Gu Yoo
  • Patent number: 12261302
    Abstract: A negative electrode includes a negative electrode active material layer, wherein the negative electrode active material layer includes a negative electrode active material and a conductive agent, wherein the negative electrode active material includes a silicon-based active material, the silicon-based active material includes SiOx(0?x<2), the conductive agent includes a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded side by side, and the carbon nanotube structure is included in an amount of 0.01 wt % to 1.0 wt % in the negative electrode active material layer. A secondary battery including the negative electrode, and a method of preparing same are also provided.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: March 25, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Tae Gon Kim, Hyung Man Cho, Il Jae Moon, Sun Wook Park, Min Kwak
  • Publication number: 20250092275
    Abstract: An ink composition including a semiconductor nanoparticle, a first organic ligand, and a polymerizable monomer; and a semiconductor nanoparticle-polymer composite prepared therefrom. The semiconductor nanoparticle includes a Group 11-13-16 compound including silver, indium, gallium, and sulfur. The first organic ligand includes an aromatic group and fluorine, and in the ink composition, the amount of the semiconductor nanoparticles is about 2 weight percent to about 70 weight percent based on a total weight of the ink composition.
    Type: Application
    Filed: September 13, 2024
    Publication date: March 20, 2025
    Inventors: Jong Hoon WON, Deuk Kyu MOON, Shang Hyeun PARK, Tae-Gon KIM, Dongjin YUN
  • Publication number: 20250097555
    Abstract: According to an embodiment of the present invention, disclosed is a camera device comprising: a housing; a lens assembly including at least one lens; a driving unit for moving the lens assembly; a main substrate on which an image sensor is provided; and a first substrate and a second substrate electrically connected to the driving unit and arranged on facing side surfaces of the housing to be spaced apart from each other, wherein the main substrate includes a first connection member connected to the first substrate and a second connection member connected to the second substrate.
    Type: Application
    Filed: December 5, 2024
    Publication date: March 20, 2025
    Inventors: Tae Gon KIM, Han Ul KWON
  • Patent number: 12255324
    Abstract: The present invention relates to a negative electrode including a negative electrode collector, a first negative electrode active material layer disposed on the negative electrode collector, and a second negative electrode active material layer disposed on the first negative electrode active material layer, wherein the second negative electrode active material layer includes a second negative electrode active material and a second conductive agent, wherein the second negative electrode active material includes a silicon-based active material, the silicon-based active material includes SiOx (0?x<2), the second conductive agent includes a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded side by side, and the carbon nanotube structure is included in an amount of 0.01 wt % to 1.0 wt % in the second negative electrode active material layer, and a secondary battery including the same.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: March 18, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Tae Gon Kim, Ki Won Sung, Joo Yul Baek, Min Kwak
  • Patent number: 12256621
    Abstract: A display panel including a light emitting panel; and a color conversion panel with a surface opposite a surface of the light emitting panel. The light emitting panel is configured to emit incident light including a first light and a second light. The color conversion panel includes a color conversion layer including two or more color conversion regions, a color conversion region includes a first region corresponding to the green pixel, the first region includes a matrix and a first composite dispersed within the matrix and including a plurality of luminescent nanostructures, and the spectral overlap between a UV-Vis absorption spectrum of the luminescent nanostructures, the maximum emission peak of the first light, and the maximum emission peak of the second light satisfies the following equation: B/A?about 0.6 A and B are as defined.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: March 18, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Shin Ae Jun, Deukseok Chung, Nayoun Won, Sung Hun Lee, Byoung Ki Choi
  • Patent number: 12249718
    Abstract: A negative electrode includes a negative electrode active material layer, wherein the negative electrode active material layer includes a negative electrode active material and a conductive material. The negative electrode active material includes SiOx (0?x<2) particles and the conductive material includes secondary particles in which a portion of one graphene sheet is connected to a portion of an adjacent graphene sheet and a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are coupled to each other, wherein the oxygen content of the secondary particles is 1 wt % to 10 wt % based on the total weight of the secondary particles, the specific surface area of the secondary particles measured by a nitrogen adsorption BET method is 500 m2/g to 1100 m2/g, and the carbon nanotube structure is included in the negative electrode active material layer in an amount of an 0.01 wt % to 1.0 wt %.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: March 11, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Tae Gon Kim, Ki Won Sung, Wang Mo Jung, Sin Young Park, Dae Jin Lee, Bo Ram Lee, Hak Yoon Kim
  • Patent number: 12249706
    Abstract: The present invention relates to a silicon-carbon composite negative electrode active material, a negative electrode including the same, and a secondary battery, wherein the silicon-carbon composite negative electrode active material includes a core containing SiOX (0?X<2), a carbon layer covering at least a portion of the surface of the core, a carbon nanotube structure positioned on the carbon layer, and a polyvinylidene fluoride coating at least a portion of the carbon nanotube structure, wherein the carbon nanotube structure has a structure formed by arranging and bonding 2 to 5,000 single-walled carbon nanotube units side by side, and a portion of the carbon nanotube structure is bonded to the carbon layer.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: March 11, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Tae Gon Kim, Yong Ju Lee, Il Geun Oh, Min Kwak, Je Young Kim, Wang Mo Jung
  • Publication number: 20250079530
    Abstract: An electrode assembly, a manufacturing method, an ultrasonic cutting device, a cylindrical battery including the electrode assembly, a battery pack and a vehicle including the same are provided. In the electrode assembly, two electrodes and a separator interposed therebetween are wound about an axis, at least one of the electrodes includes an uncoated portion provided at a long side end, a winding turn region of the uncoated portion is provided at one end of the electrode assembly, the winding turn region includes a cut portion and a bent portion alternately disposed along a circumferential direction of the electrode assembly, an axial height of the cut portion is smaller than an axial height of the bent portion, the bent portion includes a plurality of uncoated portion flags, and the plurality of uncoated portion flags overlap along and axial direction to define a bending surface region.
    Type: Application
    Filed: November 24, 2022
    Publication date: March 6, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Joo-Young CHUNG, Jin-Gon KIM, Su-Taek JUNG, Tae-Jong KIM, Byeong-Kyu LEE
  • Patent number: 12232347
    Abstract: A cadmium-free, core shell quantum dot, a quantum dot polymer composite, and electronic devices including the quantum dot polymer composite. The core shell quantum dot has an extinction coefficient per gram of greater than or equal to 0.3, an ultraviolet-visible absorption spectrum curve that has a positive differential coefficient value at 450 nm, wherein the core shell quantum dot includes a semiconductor nanocrystal core including indium and phosphorus, and optionally zinc, and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur, wherein the core shell quantum dot has a quantum efficiency of greater than or equal to about 80%, and is configured to emit green light upon excitation.
    Type: Grant
    Filed: January 5, 2024
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Nayoun Won, Mi Hye Lim, Tae Gon Kim, Taekhoon Kim, Shang Hyeun Park, Shin Ae Jun
  • Publication number: 20250051641
    Abstract: A semiconductor nanoparticle including a first semiconductor nanocrystal including silver, indium, gallium, and sulfur, and a semiconductor nanoparticle including a second semiconductor nanocrystal including zinc, gallium, and sulfur, a method of manufacturing the same, and an electronic device including the same. The semiconductor nanoparticle is configured to emit a green light. The green light has a peak emission wavelength of about 500 nanometers to about 580 nanometers. In the semiconductor nanoparticle, a molar ratio of zinc to indium is about 0.1:1 to about 10:1.
    Type: Application
    Filed: August 8, 2024
    Publication date: February 13, 2025
    Inventors: A Ra JO, Soo Kyung KWON, Seungrim YANG, Seon-Yeong KIM, Tae-Gon KIM, Jun Ho LEE, Mi Hye LIM
  • Patent number: 12225800
    Abstract: A display panel may include a light emitting panel, and a color conversion panel. The light emitting panel is configured to emit incident light including a first light and a second light, a luminescent peak wavelength of the first light may be greater than or equal to about 450 nm and less than or equal to about 480 nm and a luminescent peak wavelength of the second light may be greater than or equal to about 500 nm and less than or equal to about 580 nm. The color conversion panel includes a color conversion layer including a conversion region, and optionally, a partition wall defining each region of the color conversion panel. The color conversion region includes a first region corresponding to a red pixel, and the first region include a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix, and in the UV-Vis absorption spectrum, an absorbance ratio at a wavelength of 520 nm with respect to a wavelength of 350 nm may be greater than or equal to about 0.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Shin Ae Jun, Deukseok Chung, Garam Park, Sung Hun Lee, Byoung Ki Choi
  • Publication number: 20250038185
    Abstract: A positive electrode and a secondary battery including the same are provided. The positive electrode includes a current collector and a positive electrode active material layer disposed on the current collector, wherein the positive active material layer includes a positive electrode active material, a binder, and a multi-walled carbon nanotube, wherein the multi-walled carbon nanotube has an average length of 1-2 ?m and has a length standard deviation of 0.5 ?m or less.
    Type: Application
    Filed: March 4, 2024
    Publication date: January 30, 2025
    Inventors: Jung Woo YOO, Ye Lin KIM, Tae Gon KIM
  • Publication number: 20250025957
    Abstract: An apparatus for welding a secondary battery electrode assembly is disclosed. The electrode assembly may have negative electrodes alternatingly interleaved with positive electrodes. The apparatus may be configured to weld a plurality of non-coated electrode tabs using a sonotrode horn, each of the tabs extending from a respective one of the electrodes having a first same polarity. The sonotrode horn may include a vibration-applying plate and a horn pattern region having a protrusion-type unit pitch pattern disposed on the vibration-applying plate. A radius of curvature of a side surface of the protrusion-type unit pitch pattern disposed at an outer edge of the horn pattern region may be directly proportional to a number of the non-coated electrode tabs. A tip sharpness of the protrusion-type unit pitch pattern disposed at an outer edge of the horn pattern region may be inversely proportional to a number of the non-coated electrode tabs.
    Type: Application
    Filed: July 30, 2024
    Publication date: January 23, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Tae Gon Kim, Seung Yeop Seo, Seong Kyun Shin, Nam Kyu Lee, Ha Neuol Choi
  • Patent number: 12195656
    Abstract: A color conversion panel that includes a color conversion layer including two or more color conversion regions, and optionally, a partition wall defining the regions of the color conversion layer, and a display device including the color conversion panel. The color conversion region includes a first region corresponding to a first pixel, and the first region includes a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix. The luminescent nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide. The Group III-V compound includes indium, phosphorus, and optionally, zinc or gallium, or zinc and gallium, and the zinc chalcogenide includes zinc, selenium, and sulfur. The luminescent nanostructures further include aluminum and chlorine, and a mole ratio of aluminum to sulfur (Al:S) is less than about 0.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: January 14, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Hyeyeon Yang, A Ra Jo, Sue In Chae, Sung Jun Park, Hyokeun Park, Shin Ae Jun
  • Patent number: 12200335
    Abstract: According to an embodiment of the present invention, disclosed is a camera device comprising: a housing; a lens assembly including at least one lens; a driving unit for moving the lens assembly; a main substrate on which an image sensor is provided; and a first substrate and a second substrate electrically connected to the driving unit and arranged on facing side surfaces of the housing to be spaced apart from each other, wherein the main substrate includes a first connection member connected to the first substrate and a second connection member connected to the second substrate.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: January 14, 2025
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Tae Gon Kim, Han Ul Kwon
  • Publication number: 20250015340
    Abstract: The present disclosure relates to an all-solid lithium secondary battery and a preparation method thereof, wherein the all-solid lithium secondary battery includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes platelet carbon nanofibers (Platelet Carbon Nano Fiber, PCNF) and silver nanoparticles.
    Type: Application
    Filed: May 27, 2022
    Publication date: January 9, 2025
    Inventors: Tae Gon KIM, Dong Chan LEE, Jeong Beom LEE, Sul Cham KIM, Hye Jin KWON, Hoe Jin HAH, Ki Tae KIM, So Hee KIM, Jeong Gil KIM, Myeong Soo KIM
  • Publication number: 20250002784
    Abstract: Disclosed are a quantum dot and a quantum dot-polymer composite and a device including the same, wherein the quantum dot includes a semiconductor nanocrystal core including indium (In) and phosphorous (P), a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell including zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell, the second semiconductor nanocrystal shell including zinc and sulfur, wherein the quantum dot does not include cadmium, wherein in the quantum dot, a mole ratio of sulfur with respect to selenium is less than or equal to about 2.5:1.
    Type: Application
    Filed: June 27, 2024
    Publication date: January 2, 2025
    Inventors: Garam PARK, Tae Gon KIM, Jooyeon AHN, Ji-Yeong KIM, Nayoun WON, Shin Ae JUN
  • Patent number: 12167111
    Abstract: A camera module according to an embodiment of the present invention comprises: a circuit board; a light source and an image sensor arranged on the circuit board; a housing arranged on the circuit board; an optical member arranged on the light source and including an electrode; and a conductive portion which is arranged in the housing and electrically connects the electrode of the optical member to the circuit board.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: December 10, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hee Se Lee, Tae Gon Kim