Patents by Inventor Kang-min Lee

Kang-min Lee 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: 20240120559
    Abstract: The present disclosure relates to a device for withstand pressure evaluation of secondary battery and a method for evaluating withstand pressure using the same to ensure the stability of the product by evaluating the withstand pressure of the pouch constituting the secondary battery, and the device includes a storage configured to have a storage space in which the secondary battery is stored, a spacer configured to adsorb and then pull one side of the secondary battery to form an internal space of the secondary battery, an injector configured to be installed in the spacer and pierce the secondary battery with a needle with an air injection channel formed therein, and inject air at positive pressure into the internal space of the secondary battery through the air injection passage, and a pressure measuring unit configured to measure air pressure in the internal space connected to the air injection passage.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 11, 2024
    Inventor: Kang Min LEE
  • Publication number: 20240112171
    Abstract: The present application relates to a payment system in a call system such as home shopping, and more specifically, to the NFC simple payment system for the call system that allows NFC simple payment to be made using the customer's physical card while connected to a phone call. The present application discloses providing NFC simple payment system for call system that requests payment through the customer's mobile phone terminal means during the phone calling, and in response to this, the NFC payment can be made by the user contacting the card to the mobile phone terminal means, thereby allow users to easily make payments while on the phone by contacting only his/her own card without a separate authentication procedure.
    Type: Application
    Filed: October 3, 2023
    Publication date: April 4, 2024
    Inventors: Yongjin Kim, Han Yeol AHN, Kang Min LEE, Seunghyuk HER
  • Publication number: 20240101356
    Abstract: There is provided with apparatus for returning a multiuse container and operation method thereof. According to the present invention, container return apparatus comprises an insertion part for inserting a container thereinto, a checking part for sensing the container inserted to detect a state of the container, a controller for ejecting the container in a predetermined direction based on the detected state of the container, and a stacking part for stacking the ejected container on top of another ejected container.
    Type: Application
    Filed: September 23, 2022
    Publication date: March 28, 2024
    Inventors: Tae Goan BAE, ERIC GONZALEZ MICHEL, Kang Min LEE
  • Publication number: 20240099103
    Abstract: A display device includes a display area, a peripheral area disposed outside the display area, and a sealing area disposed outside the peripheral area, a first base substrate, a second base substrate facing the first base substrate, a color filter layer disposed under the first base substrate, a bank layer disposed under the color filter layer, and a sealing member disposed between the bank layer and the second base substrate in the sealing area. The bank layer includes bank patterns defining an opening disposed at least in the sealing area, and the sealing member fills the opening. Each of the bank patterns includes a first surface adjacent to the color filter layer and a second surface opposite to the first surface and adjacent to the sealing member. A width of the second surface is greater than a width of the first surface.
    Type: Application
    Filed: April 28, 2023
    Publication date: March 21, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: KWANG-MIN LEE, JUNHWI LIM, MIN-UK KIM, HO-YONG SHIN, SEON UK LEE, KANG SOO HAN
  • Publication number: 20240069689
    Abstract: A method of supporting divided screen areas and a mobile terminal employing the same are disclosed. The method includes: generating input signals for one of sequentially and simultaneously activating a plurality of user functions; activating the user functions according to generated input signals; dividing a screen into divided screen areas that correspond to activated user functions; and outputting functional view areas associated with the activated user functions to the corresponding divided screen areas.
    Type: Application
    Filed: September 20, 2023
    Publication date: February 29, 2024
    Inventors: Hyung Min YOOK, Sung Sik YOO, Kang Won LEE, Myeong Lo LEE, Young Ae KANG, Hui Chul YANG, Yong Ki MIN
  • Publication number: 20240066565
    Abstract: A self-cleaning device comprises at least one first electrode disposed on a solid material layer, a first dielectric layer disposed on the first electrode, a hydrophobic layer disposed on the first dielectric layer, and at least one mechanical oscillation unit. Electrical oscillation for oscillating a droplet in a horizontal direction is generated by applying a first electric signal to the first electrode, thereby merging droplets formed on the hydrophobic layer, the mechanical oscillation unit moves the merged droplets in a specific direction or atomizes the merged droplets to remove the merged droplets by generating mechanical oscillation for oscillating the droplet in a vertical direction, and each of the droplets has a volume smaller than 3 ?l, and new droplet having a volume more than 3 ?l is generated by the merging.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 29, 2024
    Inventors: Sang Kug CHUNG, Kang Yong LEE, Jeong Min LEE, Dae Young LEE, Dae Geun KIM
  • Publication number: 20240052519
    Abstract: The present invention relates to a composite steel sheet having excellent adhesiveness, and a manufacturing method therefor, and, more particularly, to a light composite steel sheet obtained by forming microstructures on the surface and inside of a plated steel sheet, and then bonding same with a plastic layer to maximize adhesiveness.
    Type: Application
    Filed: December 9, 2021
    Publication date: February 15, 2024
    Applicant: POSCO Co., Ltd
    Inventors: Hye-Jin Yoo, Chang-Se Byeon, Jung-Su Kim, Je-Hoon Baek, Kang-Min Lee
  • Patent number: 11894476
    Abstract: There is provided a transparent semiconductor substrate and a method for manufacturing same includes a semiconductor substrate including a first surface and a second surface opposite to the first surface; and a through-hole penetrating the semiconductor substrate, wherein the through-hole includes an inclined portion inclined with respect to the first surface and second surface.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: February 6, 2024
    Assignee: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Kwan Yong Seo, Kang Min Lee
  • Patent number: 11811084
    Abstract: A degassing system of a pouch for a secondary battery is provided. In the degassing system, after inhaling gas regardless of the size of a cell pocket, the gas may be processed, and the convenience of work may be increased by setting the period of degassing time or the amount of gas to be discharged according to the size of a pouch, and an abnormality in a suction line for degassing may be automatically detected according to a comparison value by comparing the amount of discharged gas with a reference value preset by each pouch size.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: November 7, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Jae Gyu Byun, Dong Ju Kim, Jin Go Kim, Seung Noh Lee, Taek Eon Jeong, Deok Kun Kim, Kang Min Lee
  • Publication number: 20230258128
    Abstract: A combined power generation system includes a gas turbine, a heat recovery steam generator (HRSG) generating steam using combustion gas from the gas turbine, a vaporizer vaporizing liquefied ammonia, an ammonia decomposer section decomposing ammonia with the combustion gas, a first exhaust gas line through which exhaust gas from the gas turbine is transferred to the HRSG, a steam turbine generating a rotational force with the steam from the HRSG, a decomposed gas supply line through which decomposed gases generated in the ammonia decomposer section are supplied to a combustor, and a cold heat transfer line absorbing cold heat of the liquefied ammonia and supply the cold heat to the condenser section, and a condenser section condensing the steam from the steam turbine.
    Type: Application
    Filed: October 23, 2022
    Publication date: August 17, 2023
    Inventors: Kang Min Lee, Byoung Youn Kim, In Chul Shin, Eun Seong Cho
  • Publication number: 20230052371
    Abstract: The disclosure relates to a heating device capable of uniform sealing, uniformly applying heat at a constant temperature to the entire sealing portion of the to-be-sealed object to heat and seal the entire sealing portion at a constant temperature, thereby providing the uniform sealing thickness. A heating device capable of uniform sealing according to the disclosure comprises a heater for heating the sealing portion of the to-be-sealed object; a heat source supplier for supplying a heat source for heating to the heater; a heat transfer part accommodated in the heater, and transferring the heat source to the heater to heat the entire heater at a uniform temperature, and an additional heat transfer part disposed on the outer surface of the heat transfer part to conduct the heat source to the heater and in contact with the inner surface of the heater.
    Type: Application
    Filed: August 5, 2022
    Publication date: February 16, 2023
    Inventors: Deok Kun Kim, Kang Min Lee
  • Publication number: 20230024115
    Abstract: The present disclosure relates to a high-strength hot-dip galvanized steel sheet having excellent surface quality and electrical resistance spot weldability, and a method for manufacturing the same. A galvanized steel sheet according to an aspect of the present disclosure is a galvanized steel sheet including a base steel sheet and a zinc-based plating layer formed on a surface of the base steel sheet, wherein a ratio (a/b) of a hardness of a surface layer portion (a) to a hardness of an internal portion (b) of the base steel sheet may be less than 0.95.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 26, 2023
    Applicant: POSCO
    Inventors: Ki-Cheol Kang, Chung-Hwan Lee, Yong-Joo Kim, Kang-Min Lee, Kyoo-Young Lee
  • Patent number: 11483673
    Abstract: A method of wirelessly connecting a first device to a target device is provided. The method includes searching for at least one device located in an orientation region of the first device, when a first input signal is received, determining the target device based on a direction that the first device is oriented, performing a wireless connection with the target device, and determining whether to maintain the wireless connection with the target device, when a second input signal is received.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: October 25, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kang-min Lee, Hyun-geun Jo, Hyung-rae Cho, Gi-ppeum Choi, Jae-keun Na, Young-eun Lee
  • Patent number: 11396712
    Abstract: Provided is a manufacturing method of a surface-treated Zn—Ni alloy electroplated steel sheet, the method comprising the steps of: preparing a Zn—Ni alloy electroplated steel sheet including a steel sheet and a Zn—Ni alloy-plated layer with an Ni content of 5-20 wt % (S1); preparing an alkaline electrolyte solution in which 4-250 g/L of potassium hydroxide (KOH) or sodium hydroxide (NaOH) or both combined are added in distilled water (S2); and inside the alkaline electrolyte solution, placing the Zn—Ni alloy electroplated steel sheet as an anode and installing another metal sheet as a cathode, and applying 2-10 V of an alternating or direct current to conductor electrochemical etching such that a 3-point average value of the arithmetic average roughness (Ra) of the surface of the Zn—Ni alloy electroplated steel sheet reaches 200-400 nm, thereby producing a surface-treated electroplated steel sheet (S3).
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: July 26, 2022
    Assignee: POSCO
    Inventors: Kang-Min Lee, Hye-Jin Yoo, Je-Hoon Baek, Chang-Se Byeon, Jung-Su Kim
  • Publication number: 20210408635
    Abstract: A degassing system of a pouch for a secondary battery is provided. In the degassing system, after inhaling gas regardless of the size of a cell pocket, the gas may be processed, and the convenience of work may be increased by setting the period of degassing time or the amount of gas to be discharged according to the size of a pouch, and an abnormality in a suction line for degassing may be automatically detected according to a comparison value by comparing the amount of discharged gas with a reference value preset by each pouch size.
    Type: Application
    Filed: June 22, 2021
    Publication date: December 30, 2021
    Inventors: Jae Gyu BYUN, Dong Ju KIM, Jin Go KIM, Seung Noh LEE, Taek Eon JEONG, Deok Kun KIM, Kang Min LEE
  • Patent number: 11209930
    Abstract: Disclosed is a method of controlling a wearable device. The method includes obtaining a touch input on a first sensing area of a screen of the wearable device and a hovering input on a second sensing area of the screen. The method also includes determining input pattern information based on the obtained touch input and the obtained hovering input, generating a control signal based on the determined input pattern information, and providing the generated control signal. The first sensing area is in a center of the screen and the second sensing area is in a perimeter of the screen, outside of and separate from the first sensing area. The first sensing area is not configured to sense the hovering input and the second sensing area is not configured to sense the touch input.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: December 28, 2021
    Inventor: Kang-min Lee
  • Publication number: 20210388504
    Abstract: Provided is a surface treatment solution composition comprising: 30 to 51 wt % of a trivalent chromium compound comprising chromium phosphate (A) and chromium nitrate (B) and having a content ratio of A/(A+B) that satisfies 0.3 to 0.6; 5 to 15 wt % of silane coupling agent; 0.2 to 3 wt % of vanadium-based anti-corrosive rust inhibitor; 3 to 12 wt % of colloidal silica; 0.5 to 5 wt % of polysiloxane copolymer; and 14 to 61.3 wt % of water, a hot dip galvanized steel sheet surface-treated using same, and a manufacturing method thereof. The hot dip galvanized steel sheet treated with the surface treatment solution composition containing trivalent chromium has an excellent corrosion resistance, blackening resistance, pipe-forming oil reactivity, and alkali resistance.
    Type: Application
    Filed: October 17, 2019
    Publication date: December 16, 2021
    Inventors: Soo-Hyoun CHO, Kang-Min LEE
  • Publication number: 20210367306
    Abstract: A degassing device of a pouch for a secondary battery and a degassing device using the same are provided. The degassing apparatus includes a separation unit including an adsorption plate adsorbing at least one surface of the pouch, and forming a space inside of the pouch by pulling the adsorption plate, and a gas removal unit installed on the adsorption plate, piercing the pouch with a needle having a gas discharge path therein, and removing gas from the pouch through the gas discharge path.
    Type: Application
    Filed: May 21, 2021
    Publication date: November 25, 2021
    Inventors: Jae Gyu BYUN, Dong Ju KIM, Jin Go KIM, Seung Noh LEE, Taek Eon JEONG, Deok Kun KIM, Kang Min LEE
  • Publication number: 20210305444
    Abstract: There is provided a transparent semiconductor substrate and a method for manufacturing same includes a semiconductor substrate including a first surface and a second surface opposite to the first surface; and a through-hole penetrating the semiconductor substrate, wherein the through-hole includes an inclined portion inclined with respect to the first surface and second surface.
    Type: Application
    Filed: June 14, 2019
    Publication date: September 30, 2021
    Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Kwan Yong SEO, Kang Min LEE
  • Publication number: 20210285118
    Abstract: Provided is a manufacturing method of a surface-treated Zn—Ni alloy electroplated steel sheet, the method comprising the steps of: preparing a Zn—Ni alloy electroplated steel sheet including a steel sheet and a Zn—Ni alloy-plated layer with an Ni content of 5-20 wt % (S1); preparing an alkaline electrolyte solution in which 4-250 g/L of potassium hydroxide (KOH) or sodium hydroxide (NaOH) or both combined are added in distilled water (S2); and inside the alkaline electrolyte solution, placing the Zn—Ni alloy electroplated steel sheet as an anode and installing another metal sheet as a cathode, and applying 2-10 V of an alternating or direct current to conductor electrochemical etching such that a 3-point average value of the arithmetic average roughness (Ra) of the surface of the Zn—Ni alloy electroplated steel sheet reaches 200-400 nm, thereby producing a surface-treated electroplated steel sheet (S3).
    Type: Application
    Filed: June 28, 2019
    Publication date: September 16, 2021
    Applicant: POSCO
    Inventors: Kang-Min LEE, Hye-Jin YOO, Je-Hoon BAEK, Chang-Se BYEON, Jung-Su KIM