Patents by Inventor Kyoung Ho AN

Kyoung Ho 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: 20240175136
    Abstract: An exemplary embodiment of the present invention can provide a method of manufacturing a graphene film, including preparing a substrate including a carbon layer in a chamber, and forming a graphene layer by forming plasma in the chamber and applying a positive voltage pulse to the substrate.
    Type: Application
    Filed: March 14, 2023
    Publication date: May 30, 2024
    Inventors: Seung Hee HAN, Unhyeon KANG, Eunbi JEONG, Soeun AHN, Kyoung Ho Jeon
  • Patent number: 11996244
    Abstract: A multilayer electronic component includes: a body including internal electrodes alternately disposed with dielectric layers in a first direction, wherein when a region in which the internal electrodes overlap each other in the first direction is a capacitance forming portion, the internal electrodes include internal electrodes that are curved at end portions thereof in the capacitance forming portion and internal electrodes that are flat in the capacitance forming portion, and in a cross-section of the body in the first and second directions, (F1+F2)/D1×100 is 35 or less, where F1 is a maximum distance from an uppermost internal electrode to an uppermost flat internal electrode in the first direction, F2 is a maximum distance from a lowermost internal electrode to a lowermost flat internal electrode in the first direction, and D1 is a size of the capacitance forming portion in the first direction at the center thereof in the second direction.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: May 28, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seon Jae Mun, Gi Long Kim, Kyoung Jin Cha, Tae Gyeom Lee, Byung Rok Ahn, Jong Ho Lee
  • Publication number: 20240170722
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are described herein. Specifically, the non-aqueous electrolyte solution for a lithium secondary battery includes a lithium salt, an organic solvent and a compound represented by Formula 1 to form a robust SEI film, thereby improving battery performance: Wherein R1 to R3 are described herein.
    Type: Application
    Filed: October 6, 2022
    Publication date: May 23, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jun Hyeok Han, Kyoung Ho Ahn, Won Kyung Shin, Chul Haeng Lee, Won Tae Lee, Su Hyeon Ji, Young Ho Oh, You Kyeong Jeong
  • Publication number: 20240172479
    Abstract: Disclosed is a display device that with low power consumption. The display device includes a first thin film transistor having a polycrystalline semiconductor layer in an active area and a second thin film transistor having an oxide semiconductor layer in the active area, wherein at least one opening disposed in a bending area has the same depth as one of a plurality of contact holes disposed in the active area, whereby the opening and the contact holes are formed through the same process, and the process is therefore simplified, and wherein a high-potential supply line and a low-potential supply line are disposed so as to be spaced apart from each other in the horizontal direction, whereas a reference line and the low-potential supply line are disposed so as to overlap each other, thereby preventing signal lines from being shorted.
    Type: Application
    Filed: February 1, 2024
    Publication date: May 23, 2024
    Inventors: Kyoung-Nam Lim, Yu-Ho Jung, Dong-Young Kim
  • Patent number: 11990284
    Abstract: A multilayer electronic component according to an exemplary embodiment of the present disclosure may control connectivity of an end of an internal electrode, thereby suppressing occurrence of a short circuit between the internal electrodes, reduced capacitance or lower breakdown voltage. The internal electrode may include a plurality of conductor portions and a plurality of cut-off portions.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho Lee, Seon Jae Mun, Gi Long Kim, Tae Gyeom Lee, Byung Rok Ahn, Kyoung Jin Cha
  • Patent number: 11988892
    Abstract: Embodiments provide a lens moving apparatus including a bobbin including a first coil disposed on an outer circumferential surface thereof, a housing provided with first and second magnets for moving the bobbin by interaction with the first coil, upper and lower elastic members each coupled to both the bobbin and the housing, and a first position sensor for detecting a sum of intensities of magnetic fields of the first and second magnets, wherein the first position sensor is disposed in a space between the first magnet and the second magnet when the bobbin is disposed at an initial position.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: May 21, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Jun Taek Lee, Byung Wook Son, Sang Jun Min, Kyoung Ho Yoo
  • Publication number: 20240158669
    Abstract: Provided are: an optical laminate comprising a second adhesive layer, a second adhesive layer laminated on the second adhesive layer, and a light shield part laminated between the first adhesive layer and the second adhesive layer; an optical member comprising same; and an optical display device including same.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 16, 2024
    Inventors: Ji Ho KIM, Sung Hyun MUN, Kyoung Gon PARK, Jin Young LEE, Jae Hyun HAN, Il Jin KIM, Dong Myeong SHIN
  • Patent number: 11985858
    Abstract: Disclosed is a display device that is capable of being driven with low power consumption. A first thin-film transistor including a polycrystalline semiconductor layer and a second thin-film transistor including an oxide semiconductor layer are disposed in an active area, thereby reducing power consumption. At least one opening formed in a bending area is formed to have the same depth as any one of contact holes formed in the active area, thereby making it possible to form the opening and the contact holes through the same process and consequently simplifying the process of manufacturing the device. Since a high potential supply line and a low potential supply line overlap each other with a protective film formed of an inorganic insulation material interposed therebetween, short-circuiting of the high potential supply line and the low potential supply line may be prevented.
    Type: Grant
    Filed: July 5, 2023
    Date of Patent: May 14, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Kyoung-Nam Lim, Yu-Ho Jung, Dong-Young Kim
  • Publication number: 20240154093
    Abstract: Provided is a lithium secondary battery including a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material comprising lithium iron phosphate particles, and the positive electrode has a loading amount of 450 mg/25 cm2 to 740 mg/25 cm2, and the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, wherein the organic solvent includes ethylene carbonate, and dimethyl carbonate, and the dimethyl carbonate is included in 5 vol % to 75 vol % in the organic solvent, and the additive contains vinylene carbonate, and the weight ratio of the vinylene carbonate to the dimethyl carbonate is greater than 0 to 0.2 or less.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jun Hyeok Han, Chul Haeng Lee, Kyoung Ho Ahn, Young Ho Oh, You Kyeong Jeong, Yoon Seok Ko
  • Publication number: 20240154165
    Abstract: An electrolyte additive comprising a compound represented by Formula 1 below forms a coating film on an electrode surface in the activation of a secondary battery, thereby the generation of a large amount of gas under a high temperature condition can be prevented, and a cell OCV drop and a decrease in capacity retention rate, which are caused by elution of metal ions from an electrode, can be effectively prevented, resulting in effective improvement in durability, performance and high-temperature safety of the battery, wherein R1, R2, and M are described herein.
    Type: Application
    Filed: October 21, 2022
    Publication date: May 9, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: You Kyeong Jeong, Kyoung Ho Ahn, Jun Hyeok Han, Won Kyung Shin, Won Tae Lee, Su Hyeon Ji, Young Ho Oh
  • Publication number: 20240154131
    Abstract: Provided is a catalyst layer for fuel cell having improved heat-dissipating performance and durability. The catalyst layer for fuel cell according to the present invention is a catalyst layer for fuel cell comprising a first composite and a second composite, wherein the first composite includes: a supporting material, a catalyst including metal particles supported on the supporting material, and a first ionomer coated on the surface of the catalyst; the second composite includes a heat-dissipating material and a second ionomer, the second ionomer is not coated on the surface of the catalyst, and the first ionomer and the second ionomer are identical with or different from each other.
    Type: Application
    Filed: February 15, 2022
    Publication date: May 9, 2024
    Inventors: Jung Ho KIM, Jun Young KIM, Kah Young SONG, Nak Won KONG, Ju Sung LEE, Kyoung Sik NAM, Chan Mi PARK
  • Patent number: 11978921
    Abstract: The present invention relates to a method of manufacturing a separator-composite electrode having a multilayer-structured inorganic layer and a separator-composite electrode manufactured thereby. The present invention provides a method of manufacturing a separator-composite electrode and a separator-composite electrode using the same, wherein there is no separator substrate by forming an inorganic layer serving as an insulating layer in multiple layers, thereby safety is improved and the capacity of a battery is not reduced compared to a conventional battery.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: May 7, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Kyoung Ho Kim, Bum Young Jung, Jeong Gil Kim, Jung Gu Han
  • Patent number: 11978407
    Abstract: A display device includes a display panel including a first data line, a second data line, and a pixel, the pixel including a first sub-pixel coupled to the first data line, and a second sub-pixel coupled to the second data line, a light stress compensator configured to generate a first data voltage control signal for the first sub-pixel based on a second data value of input image data for the second sub-pixel, in response to a first data value of input image data for the first sub-pixel being equal to or less than a first reference value, and a data driver configured to generate a first data signal based on the first data value for the first sub-pixel, to provide a first data voltage to the first data line, and to vary the first data voltage based on the first data voltage control signal.
    Type: Grant
    Filed: June 1, 2023
    Date of Patent: May 7, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hoon Lee, Hyun Bo Byun, Kyoung Ho Lim
  • Patent number: 11978854
    Abstract: The present invention relates to a composition for a polymer electrolyte which includes a polymerizable oligomer capable of forming an excellent crosslink during a polymerization reaction. Also, the present invention relates to a polymer electrolyte, which may ensure high oxidation stability and ionic conductivity by using the composition for a polymer electrolyte, and a lithium secondary battery including the same.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: May 7, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Kyoung Ho Ahn, Sol Ji Park, Jun Hyeok Han, Chul Haeng Lee, Jung Hoon Lee
  • Patent number: 11972721
    Abstract: A display device is disclosed that includes pixels, a memory, and a degradation compensator. The pixels include light emitting elements. The memory is operable to store degradation information including degradation degrees of the light emitting elements. The degradation compensator is operable to receive the degradation information and generate output grayscales by changing each of input grayscales of the pixels in proportion to each of the degradation degrees. The degradation compensator includes a degradation information changer for changing the degradation information by decreasing a degradation degree having a variation greater than a threshold value among variations of the degradation degrees.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: April 30, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hoon Lee, Kyoung Ho Lim, Seung Ho Park, Hee Sook Park, Sang Myeon Han
  • Patent number: 11973190
    Abstract: An electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte for a lithium secondary battery includes a lithium salt, a non-aqueous solvent containing a fluorine-based organic solvent, and a fluorine-based compound represented by Formula 1. In some embodiments, a lithium secondary battery includes a positive electrode, a negative electrode, a separator disposed therebetween, and the electrolyte.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: April 30, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Sol Ji Park, Kyoung Ho Ahn, Jun Hyeok Han, Chul Haeng Lee
  • Publication number: 20240133800
    Abstract: Provided is a concentration measuring device which includes: a main pipe through which a fluid whose concentration is to be measured flows; a flow cell having a fluid passage and a light passage formed to pass through the fluid passage; a spectrometer capable of measuring absorbance for each wavelength of the source light transmitted to the flow cell and the received light receiving from the flow cell; and an optical cable connecting the flow cell and the spectrometer with each other, wherein the flow cell is separated from the main pipe to be provided separately, and a fluid pipe is connected to the flow cell, so that the fluid flows from the main pipe to the flow cell through the fluid pipe using a pitot tube.
    Type: Application
    Filed: March 8, 2023
    Publication date: April 25, 2024
    Inventors: Chul Won KIM, Sung Won JEON, Kyoung Ho PARK, Min Ki PARK
  • Publication number: 20240136579
    Abstract: Disclosed herein relates to an electrolyte composition and a lithium secondary battery including the same, wherein the electrolyte composition can not only effectively reduce gas generated during charging and discharging of the lithium secondary battery by including one or more electrolyte additives of a chemical compound represented by Formula 1 or a chemical compound represented by Formula 2, but also has the advantage of strengthening the SEI layer on the electrode surface, thereby improving the storage characteristics and life characteristics at high temperatures.
    Type: Application
    Filed: January 30, 2023
    Publication date: April 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Su Hyeon JI, Chul Haeng LEE, Kyoung Ho AHN, Jun Hyeok HAN, Won Kyung SHIN, Won Tae LEE
  • Patent number: 11967732
    Abstract: The present invention provides a separation membrane for a lithium secondary battery and a lithium secondary battery including the same, the separation membrane including: a substrate; a first coating layer containing a first organic binder which is able to be bonded to a gel polymer electrolyte through an epoxy ring-opening reaction; and a second coating layer containing a second organic binder, wherein the first organic binder has a functional group capable of ring-opening reaction with an epoxy group, or a combination thereof, and the gel polymer electrolyte is formed by polymerizing an oligomer having an epoxy group, a functional group capable of ring-opening reaction with an epoxy group, or a combination thereof.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: April 23, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Won Kyung Shin, Kyoung Ho Ahn, Chul Haeng Lee
  • Patent number: 11967680
    Abstract: A gel polymer electrolyte composition, a secondary battery including the same, and a manufacturing method of a secondary battery are disclosed. Advantages of the disclosed aspects include increasing process efficiency by reducing the curing time of a gel polymer electrolyte while preventing leakage of an electrolyte.
    Type: Grant
    Filed: January 11, 2023
    Date of Patent: April 23, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Won Kyung Shin, Won Tae Lee, Young Ho Oh, Chul Haeng Lee, Kyoung Ho Ahn