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: 11376664
    Abstract: The present disclosure is related to a method to control sizes of core-shell nanoparticles comprising the steps of: manufacturing slurry by irradiating ultrasonic waves to a dispersion solution containing a reducing solvent, a carbon support, a transition metal precursor and a precious metal precursor; manufacturing a solid by filtering the manufactured slurry, followed by washing and drying; and manufacturing a nanoparticle of a transition metal core and a platinum shell by heat-treating the dried solid at a temperature of 450 to 900° C. and a pressure of 1 to 90 bar for 0.5 to 10 hours under N2 atmosphere.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: July 5, 2022
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Gu-gon Park, Hyun-uk Park, Won-yong Lee, Sung-dae Yim, Min-jin Kim, Young-jun Sohn, Byungchan Bae, Seung-gon Kim, Dongwon Shin, Hwanyeong Oh, Seung Hee Woo, So Jeong Lee, Hyejin Lee, Yoon Young Choi, Seok-hee Park, Tae-hyun Yang
  • Publication number: 20220209240
    Abstract: Disclosed is a negative electrode which includes: a negative electrode current collector; and a negative electrode active material layer on the negative electrode current collector. The negative electrode active material layer includes a silicon-based negative electrode active material, a binder, a conductive material, and single-walled carbon nanotubes. The single-walled carbon nanotubes are present in an amount of 0.001 wt % to 1 wt % in the negative electrode active material layer.
    Type: Application
    Filed: June 19, 2020
    Publication date: June 30, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Ye Lin KIM, Jung Woo YOO, Tae Gon KIM, Young Jae KIM
  • Publication number: 20220200454
    Abstract: Provided is a new LDC to satisfy the recent requirements for a bidirectional large-capacity isolated LDC (DC-DC converter). The present disclosure provides a new bidirectional isolated LDC, in which two converters with different power circuit topologies operate in parallel in order to enable both buck mode and boost mode. The two applied converters are a phase-shift full-bridge converter with full-bridge synchronous rectification and an active-clamp forward converter. According to the present invention, it is possible to achieve the advantages of both a phase-shifted full-bridge converter with full-bridge synchronous rectification applied and an active clamping forward converter. Thus, it is to possible to minimize output voltage and current ripples, thereby improving the quality of the LDC output power while minimizing electromagnetic waves generated while a product is operating.
    Type: Application
    Filed: December 31, 2020
    Publication date: June 23, 2022
    Inventors: Won Gon Kim, Deok Kwan Choi, Kang Min Kim, Min Heo, A Ra Lee, Tae Ho Bang, Hyun Woo Shim, Du Ho Kim, Soo Min Jeon, Ji Hoon Park
  • Publication number: 20220200005
    Abstract: A conductive agent includes a first particle and a second particle, wherein the first particle includes a secondary particle structure in which graphene sheets are connected to each other, the first particle includes a plurality of graphene sheets arranged in different directions, and the second particle is a carbon nanotube. An electrode including the conductive agent, and a secondary battery including the electrode are also provided.
    Type: Application
    Filed: May 12, 2020
    Publication date: June 23, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Tae Gon Kim, Sin Young Park, Bo Ram Lee, Seul Ki Kim, Tae Gu Yoo, Min Kwak
  • Publication number: 20220190734
    Abstract: The bidirectional insulating DC-DC converter shares high/low voltage terminals, a cooling passage, a housing, and a control board, and two independent step-down circuit (10) and step-up circuit (20) are formed in parallel to perform a bidirectional DC power conversion. A high voltage applied from a high voltage battery HV is stepped down through the step-down circuit (10) and output to a low voltage battery LV. On the other hand, a low voltage applied from the low voltage battery LV is stepped up through the step-up circuit (20) and output to the high voltage battery HV. The step-down circuit (10) is formed as an active clamp forward converter circuit, and the step-up circuit (20) is formed as an active clamp flyback converter circuit.
    Type: Application
    Filed: December 15, 2021
    Publication date: June 16, 2022
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventors: Du Ho Kim, Deok Kwan Choi, Min Heo, Kang Min Kim, Soo Min Jeon, A Ra Lee, Won Gon Kim, Ji Hoon Park, Hyun Woo Shim, Tae Ho Bang
  • Patent number: 11362361
    Abstract: Provided is a method for manufacturing a membrane-electrode assembly. The method includes forming an electrode layer, preparing a porous support layer, and positioning the electrode layer on each of both surfaces of the porous support layer and hot-pressing the electrode layer positioned on the both surfaces. The forming of the electrode layer incudes forming a functional layer including a hydrogen ion conductive binder resin on at least a portion of an electrode catalyst layer, and forming an electrolyte layer on at least a portion of the functional layer. The preparing of the porous support layer includes performing a pretreatment process by impregnating the porous support layer with a pretreatment composition, and the performing of the pretreatment process includes dipping the porous support layer in a first pretreatment composition and then drying the porous support layer, and dipping the porous support layer after drying in a second pretreatment composition.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: June 14, 2022
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Sung Hee Shin, Byung Chan Bae, Seok Hee Park, Chang Soo Kim, Won Yong Lee, Gu Gon Park, Tae Hyun Yang, Sung Dae Yim, Min Jin Kim, Young Jun Sohn, Seung Gon Kim, Dong Won Shin, Hwan Yeong Oh, Hye Jin Lee
  • Publication number: 20220179140
    Abstract: A color filter including a first layer including first quantum dots and a second layer including second quantum dots that are different from the first quantum dots, and disposed on the first layer, wherein a quantum yield of the first quantum dots is greater than a quantum yield of the second quantum dots, and wherein an absorption of blue light of the second quantum dots is greater than an absorption of the blue light of the first quantum dots.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 9, 2022
    Inventors: Shang Hyeun PARK, Tae Gon KIM, Shin Ae JUN
  • Publication number: 20220179139
    Abstract: A color filter including a first pixel (or color conversion region) that is configured to emit a first light and a display device including the color filter. The first pixel includes a (first) quantum dot composite (or a color conversion layer including the quantum dot composite), wherein the quantum dot composite may include a matrix and a plurality of quantum dots dispersed (e.g., randomly) in the matrix, wherein the plurality of the quantum dots exhibit a multi-modal distribution (e.g., a bimodal distribution) including a first peak particle size and a second peak particle size in a size analysis, wherein the second peak particle size is greater than the first peak particle size, and a difference between the first peak particle size and the second peak particle size is less than or equal to about 5 nanometers (nm) (e.g., less than or equal to about 4.5 nm).
    Type: Application
    Filed: December 9, 2021
    Publication date: June 9, 2022
    Inventors: Tae Gon KIM, Shang Hyeun PARK, Shin Ae JUN
  • Patent number: 11351840
    Abstract: Disclosed herein is an air conditioner for a vehicle, which can perform a bleeding function to discharge air to a rear seat floor vent in a rear seat vent mode, and optimize the size of an outlet and the shape of doors to adjust a bleeding amount of a rear seat floor.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: June 7, 2022
    Assignee: HANON SYSTEMS
    Inventors: Yong Eun Seo, Myoung Jun Kim, Tae Wan Kim, Jeong Hun Seo, Jong Gon Lee, Tae Gun Lee
  • Patent number: 11352558
    Abstract: A quantum dot, and a composite and a display device including the quantum dot. The quantum dot comprises a semiconductor nanocrystal core comprising indium and phosphorous, a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell comprising zinc, selenium, and sulfur, wherein the quantum dot does not comprise cadmium wherein the quantum dot has a maximum photoluminescence peak in a green light wavelength region, and wherein in an ultraviolet-visible (UV-Vis) absorption spectrum of the quantum dot, a ratio A450/Afirst, of an absorption value at 450 nm to an absorption value at a first excitation peak is greater than or equal to about 0.7, and a valley depth (VD) defined by the following equation is greater than or equal to about 0.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: June 7, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Shin Ae Jun, Taek hoon Kim, Hyeyeon Yang, Nayoun Won, Jongmin Lee, Mi Hye Lim
  • Patent number: 11355683
    Abstract: A thermoplastic resin composition includes: a polyester resin; a white pigment; a core-shell structured impact modifier; and a modified polyolefin resin. Exemplary compositions include polycyclohexylenedimethylene terephthalate (PCT) resin; titanium oxide; a core-shell structured impact modifier obtained by grafting methyl (meth)acrylate to the polydimethylsiloxane rubber core; and an ethylene-methacrylate copolymer. The thermoplastic resin composition is usable for the production of molded article as a reflector or reflector cup for a LED (light-emitting diode) that maintains reflectance at elevated temperature.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: June 7, 2022
    Assignee: Lotte Chemical Corporation
    Inventors: Tae Gon Kang, Chan Moo Park, Yoo Jin Jung, Yang Il Kim, Tae Soo Kim, Sang Hyun Hong
  • Publication number: 20220165490
    Abstract: An aspect of the present disclosure provides a bus bar as a winding in a core of a transformer includes multiple sub-bars arranged horizontally and connected in parallel so as to minimize an AC current in the transformer, and the sub-bars have different widths and thus resistances or impedances with respect to a current flowing through the sub-bars are the same. Another aspect of the present disclosure provides a method of designing a bus bar for resistance or impedance matching between multiple sub-bars included in the bus bar to share a current to minimize an AC current in the transformer. Another aspect of the present disclosure provides a transformer, for a DC-DC converter for use in a vehicle, which is manufactured by the method of designing a bus bar.
    Type: Application
    Filed: November 23, 2021
    Publication date: May 26, 2022
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventors: Tae Ho BANG, Deok Kwan CHOI, Won Gon KIM, Min HEO, Ji Hoon PARK, Kang Min KIM, A Ra LEE, Hyun Woo SHIM, Du Ho KIM, Soo Min JEON
  • Publication number: 20220161672
    Abstract: The present disclosure is for minimizing the parasitic resistance of an output capacitor of a low-voltage DC-DC converter (LDC) proposed to improve a lifespan of a battery and increase efficiency of the DC-DC converter through reduction of an equivalent series resistance (ESR) of an output capacitor in an N-phase interleaving type vehicle DC-DC converter. According to the present disclosure, the LDC includes: an N-phase power circuit configured by connection of N DC-DC converters in parallel between a high-voltage (HV) battery and a low-voltage (LV) battery; and one output capacitor commonly connected to an output of each phase DC-DC converter, wherein each phase of the N-phase power circuit is controlled in an interleaving manner which delays a phase by 360°/N. Here, each N-phase power circuit is controlled by switching at a frequency of [(a frequency at which the parasitic resistance (equivalent series resistance (ESR)) of the output capacitor is minimized)/N].
    Type: Application
    Filed: November 22, 2021
    Publication date: May 26, 2022
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventors: Ji Hoon PARK, Deok Kwan CHOI, Won Gon KIM, Kang Min KIM, Min HEO, Tae Ho BANG, Du Ho KIM, Hyun Woo SHIM, Soo Min JEON, A Ra LEE
  • Publication number: 20220161462
    Abstract: Disclosed is a method of manufacturing a transparent stretchable substrate according to various embodiments of the present disclosure. The method may include generating a substrate part formed of an elastic material, generating an auxetic including a plurality of unit structures on the substrate part, and generating a fixing part on the substrate part on which the auxetic is generated.
    Type: Application
    Filed: February 17, 2021
    Publication date: May 26, 2022
    Applicant: Korea Institute of Science and Technology
    Inventors: Seungjun CHUNG, Phillip LEE, Seung Hyun LEE, Seong Kwon HWANG, Hyunjoo CHO, Jeong Gon SON, Jai Kyeong KIM, Heesuk KIM, Sang-Soo LEE, Tae Ann KIM, Jong Hyuk PARK
  • Publication number: 20220166310
    Abstract: Provided is an electro-magnetic compatibility (EMC) filter including a lower bobbin having a U-shaped cross-sectional shape, a lower core including a magnetic material having a U-shaped cross-sectional shape and disposed on the lower bobbin, a bus bar disposed on the lower core, an upper bobbin having a hollow inside, having a hexahedral shape with one side open, and configured to cover an upper portion of the lower bobbin, and an upper core including a magnetic material having a plate-like shape, disposed in an internal space of the upper bobbin, and disposed on the lower core (U core) to cover the bus bar with a gap maintained by the bus bar between the upper and lower cores when the lower bobbin and the upper bobbin are coupled to each other.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 26, 2022
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventors: Tae Ho BANG, Ji Hoon PARK, Hyun Woo SHIM, Du Ho KIM, Soo Min JEON, Deok Kwan CHOI, Won Gon KIM, Min HEO, Kang Min KIM, A Ra LEE
  • Publication number: 20220166332
    Abstract: The present disclosure relates to a new bidirectional low voltage DC-DC converter (LDC), that is, a DC-DC converter capable of satisfying a safety level required for an eco-friendly vehicle and an autonomous vehicle and improving power conversion performance, and a method and an apparatus for controlling the same. The LDC proposed in the present disclosure is a new concept bidirectional LDC in which a plurality of converters having the same power circuit topology are subjected to a parallel interleaving operation so as to enable both a buck operation and a boost operation, satisfy a high safety level, and improve power conversion performance. To this end, a plurality of bidirectional active-clamp flyback converters (for example, two or more bidirectional active-clamp flyback converters) are connected in parallel and are interleaved and controlled by a controller (for example, a microcomputer).
    Type: Application
    Filed: November 22, 2021
    Publication date: May 26, 2022
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventors: Hyun Woo SHIM, Deok Kwan CHOI, Won Gon KIM, Min HEO, Kang Min KIM, A Ra LEE, Tae Ho BANG, Ji Hoon PARK, Du Ho KIM, Soo Min JEON
  • Publication number: 20220158192
    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: Application
    Filed: March 9, 2020
    Publication date: May 19, 2022
    Applicant: 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
  • Publication number: 20220153083
    Abstract: An air conditioner for a vehicle, which includes an air conditioning case having an air passage formed therein, a cooling heat exchanger provided in the air passage of the air conditioning case to heat-exchange with air passing through the air passage, and a heating heat exchanger, comprises: a front seat temperature door which adjusts an opening degree between a front seat cold air passage and a part of a hot air passage; a first rear seat temperature door which is disposed between the cooling heat exchanger and the heating heat exchanger and adjusts an opening degree of another part of the hot air passage; and a second rear seat temperature door which is disposed in the downstream of the heating heat exchanger and adjusts an opening degree between the hot air passage and a rear seat cold air passage, wherein the second rear seat temperature door includes an asymmetric dome.
    Type: Application
    Filed: May 4, 2020
    Publication date: May 19, 2022
    Inventors: Tae Wan KIM, Yong Eun SEO, Tae Gun LEE, Myoung Jun KIM, Jong Gon LEE
  • Publication number: 20220158194
    Abstract: The present invention relates to an electrode and a secondary battery including the same, the electrode including an electrode active material layer, wherein: the electrode active material layer includes an electrode active material, a hydrogenated nitrile butadiene rubber, and a conductive agent; the conductive agent includes a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded; and the carbon nanotube structure is included in the electrode active material layer in an amount of 0.01-0.5 wt %.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 19, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Tae Gon Kim, Wang Mo Jung, Houng Sik Yoo, Bo Ram Lee, Dong Hyun Kim, Hak Yoon Kim
  • Publication number: 20220158195
    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: Application
    Filed: September 28, 2020
    Publication date: May 19, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Tae Gon Kim, Sin Young Park, Bo Ram Lee, Hyung Man Cho, Tae Gu Yoo, Min Kwak