Patents by Inventor Sang Hun Lee

Sang Hun 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).

  • Patent number: 10770712
    Abstract: A battery cell includes an electrode assembly and a battery case. The electrode assembly includes a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. The battery case includes an upper case and a lower case, at least one of the upper case and the lower case being provided with a receiving part, in which the electrode assembly is mounted. One end of each of electrode tabs extending from electrode plates of the electrode assembly is coupled to a corresponding end of an electrode lead, which protrudes outward from the battery case. The electrode lead is provided with at least one notch part configured to rupture in response to expansion deformation of the battery case when the pressure in the battery cell increases to achieve the electrical cutoff of the battery.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: September 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sang Hun Kim, Yong Kim, Min Hyeong Kang, Cho Long Kim, Hyung Kyun Yu, Ji Hoon Lee, Yong Su Choi, Soo Ji Hwang
  • Patent number: 10763457
    Abstract: An organic light-emitting diode display device can include a substrate including first, second and third sub-pixels, each of the first, second and third sub-pixels including an emission area and a non-emission area; a driving thin film transistor in the non-emission area of each of the first, second and third sub-pixels; a light-emitting diode connected to the driving thin film transistor; a polarizer at an outer surface of the substrate, the polarizer including a reflective polarizer; and a light control pattern disposed inside of the substrate and corresponding to the non-emission area, the light control pattern being configured to change a direction of light incident on the light control pattern.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: September 1, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sung-Rae Lee, Young-Hun Jeong, Sang-Dae Han
  • Publication number: 20200274213
    Abstract: The present application can provide a battery module, a method for manufacturing method the same and a thermally conductive material applied to the manufacturing method. The present application can provide a battery module having excellent output relative to volume and heat dissipation characteristics, with being manufactured in a simple process and at a low cost, a method for manufacturing the same, and a thermally conductive material applied to the manufacturing method.
    Type: Application
    Filed: May 1, 2020
    Publication date: August 27, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Yoon Gyung Cho, Eun Suk Park, Sang Min Park, Se Woo Yang, Seong Kyun Kang, Jae Hun Yang, Jae Min Lee, Kyung Yul Bae, Young Gil Kim, Gyu Jong Bae
  • Publication number: 20200264717
    Abstract: An electronic device is provided. The electronic device includes a touchscreen, at least one processor electrically connected with the touchscreen, and a memory electrically connected with the processor. The memory may store instructions executed to enable the at least one processor to display a first window for running a first application and a second window for running a second application on the touchscreen, display a virtual keypad on a portion of the first window and a portion of the second window corresponding to a first input to a focused window of the first window and the second window, and vary a size of the virtual keypad corresponding to a second input to the virtual keypad.
    Type: Application
    Filed: May 4, 2020
    Publication date: August 20, 2020
    Inventors: Sun-Young PARK, Jeong-Won KO, Joong-Hun KWON, Chang-Hwan KIM, Sang-Deuk NAM, Seung-Wook NAM, Myoung-Soo PARK, Kyung-Jun LEE, Dong-Oh LEE, Jun-Won JUNG, Hui-Chul YANG, Hyun-Yeul LEE, Soojin Jeong Lim
  • Publication number: 20200266433
    Abstract: Provided are various embodiments of a positive electrode for a secondary battery, which in one embodiment includes a first positive electrode material mixture layer formed on a positive electrode collector, and a second positive electrode material mixture layer formed on the first positive electrode material mixture layer, wherein the first positive electrode material mixture layer has an operating voltage of 4.25 V to 6.0 V and includes an active material for overcharge which generates lithium and gas during charge; a method of preparing such a positive electrode for a secondary battery; and a lithium secondary battery including such a positive electrode.
    Type: Application
    Filed: September 19, 2018
    Publication date: August 20, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Dong Hun Lee, Hye Lim Jeon, Sang Wook Lee, Eun Sol Lho, Wang Mo Jung, Min Suk Kang, So Ra Baek, Ji Young Park
  • Patent number: 10749152
    Abstract: The present invention relates to a sealing apparatus for a secondary battery, which seals a sealing part of a case in which an electrode assembly and an electrolyte are accommodated, and the sealing apparatus comprises a sealing member comprising a first sealing piece and a second sealing piece, which thermally fuse a surface of the sealing part to seal the sealing part, wherein the first sealing piece and the second sealing piece comprise a plurality of thermal fusion parts, which are disposed from an outer end of a surface of the sealing part toward an inner end that is opposite to the outer end to thermally fuse the surface of the sealing part, and non-thermal fusion parts, which are disposed between the plurality of thermal fusion parts and do not seal the surface of the sealing part.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: August 18, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sang Kyun Lee, Cha Hun Ku
  • Patent number: 10749160
    Abstract: The present invention relates to an electrode assembly. The electrode assembly comprises: a first separator sheet; and a first electrode sheet and a second electrode sheet, which respectively adhere to both surfaces of the first separator sheet, wherein patterned masks having different adhesion force are respectivley disposed on both the surfaces of the first separator sheet, and the first electrode sheet adheres to the mask of a first surface of both the surfaces, which has relatively high adhesion force, and the second electrode sheet adheres to the mask of a second surface having relatively low adhesion force.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: August 18, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Sang Kyun Lee, Cha Hun Ku, Jung Kwan Pyo, Ju Hyeon Cho
  • Publication number: 20200259282
    Abstract: The present invention relates to a board-mating connector with a reduced coupling height, and the board-mating connector includes a signal portion having one side in contact with a signal electrode of a board and to be electrically connected to the signal electrode; a ground portion having one side in contact with a ground electrode of the board to be electrically connected to the ground electrode and having a hollow inside; a housing portion in which a housing insertion hole is formed such that the signal portion and the ground portion are inserted thereinto and in which at least a part of a portion coming into contact with the ground portion is formed of metal; and a dielectric portion which is inserted into the housing insertion hole and is located between the signal portion and the housing portion such that the signal portion is spaced apart from the ground portion and the housing portion.
    Type: Application
    Filed: April 30, 2020
    Publication date: August 13, 2020
    Inventors: Hwa Yoon Song, Sang Min Seo, Eun Jung Kim, Jin Uk Lee, Kyung Hun Jung, Hee seok Jung
  • Publication number: 20200259132
    Abstract: Provided is a packaging for a flexible secondary battery, including: a first polymer resin layer; a barrier layer formed on the first polymer resin layer for interrupting moisture and gases; a parylene layer including parylene on at least one surface of the barrier layer; and a second polymer resin layer formed on the barrier layer, wherein the parylene layer has a thickness of 0.1-2.5 ?m. A flexible secondary battery including the packaging is also provided.
    Type: Application
    Filed: March 29, 2019
    Publication date: August 13, 2020
    Applicant: LG Chem, Ltd.
    Inventors: In-Sung Uhm, Ju-Ryoun Kim, Yong-Hee Lee, Sang-Hun Kim, Jae-Hyun Lee, Yong-Su Choi, Soo-Ji Hwang
  • Patent number: 10741788
    Abstract: Disclosed is a display device having a reduced non-display area. The display device includes an organic cover layer disposed on an encapsulation unit, an inner dam disposed between a substrate hole and a plurality of light-emitting elements, and a blocking element disposed between the substrate hole and the inner dam, the blocking element being disposed under the organic cover layer, whereby it is possible to prevent damage to a light-emitting stack. In addition, since the substrate hole is disposed in an active area, it is possible to reduce the size of a non-display area.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: August 11, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sang-Hyuk Won, Min-Joo Kim, Jae-Won Lee, Sang-Hoon Pak, Jae-Hyung Jang, Yeon-Woo Shin, Ji-Hun Lee
  • Publication number: 20200251713
    Abstract: Disclosed herein is a pouch-shaped secondary battery including a battery case, an electrode assembly having a structure in which a positive electrode and a negative electrode are stacked in the state in which a separator is interposed therebetween, an electrode lead having an asymmetrical notch formed in a first surface of the electrode lead, the electrode lead being electrically connected to electrode tabs of the electrode assembly, the asymmetrical notch being configured to induce the rupture of the electrode lead, a lead film attached to the first surface and a second surface of the electrode lead, the lead film adhering the electrode lead to the battery case, the lead film including a first lead film located between the electrode assembly and the asymmetrical notch, and a second lead film located between the asymmetrical notch and a portion of the electrode lead that protrudes out of the battery case.
    Type: Application
    Filed: July 2, 2018
    Publication date: August 6, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jong Pil Park, Kyoung Ho Kim, Min Woo Lee, Sang Hun Kim, Yong Kim
  • Patent number: 10734790
    Abstract: A composite electronic component includes an element part and an electrostatic discharge (ESD) protection part disposed on the element part. The ESD protection part includes first and second discharge electrodes having a gap formed therebetween, a discharge layer disposed between the first and second discharge electrodes and in the gap, and a multilayer insulating layer covering the discharge layer and including at least two insulating layers having different breakdown voltage (BDV) values.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hye Hun Park, Kwang Jik Lee, Ju Hwan Yang, Jung Wook Seo, Sang Moon Lee
  • Patent number: 10734968
    Abstract: A bulk acoustic resonator includes: a substrate including an upper surface on which a substrate protection layer is disposed; and a membrane layer forming a cavity together with the substrate, wherein a thickness deviation of either one or both of the substrate protection layer and the membrane layer is 170 ? or less.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: August 4, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Kyung Lee, Tae Yoon Kim, Dae Ho Kim, Chang Hyun Lim, Tae Hun Lee, Sang Kee Yoon, Jong Woon Kim, Won Han, Moon Chul Lee
  • Patent number: 10725082
    Abstract: One embodiment provides a technique of adjusting a gate voltage to be applied to at least one MOS capacitor and an amount of electric charges to be stored in the MOS capacitor so as to determine a sensitivity of a change in the amount of electric charges stored in the MOS capacitor, and exposing the MOS capacitor to an electric filed for a predetermined amount of time and then reading an electron inflow or outflow result due to the electric field so as to interpret the intensity and the direction of the electric field, thereby measuring the intensity and the direction of the electric field.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: July 28, 2020
    Assignee: SNU R&DB FOUNDATION
    Inventors: Sang Lyul Min, Yong Hun Lee
  • Patent number: 10724466
    Abstract: There is provided a method for manufacturing a piston, including: a piston assembling step of forming a piston assembly by assembling a first piston part, a bonding member and a second piston part, wherein the first piston part has two or more bonding surfaces separate from each other and extending in a circumferential direction, and the second piston part has two or more bonding surfaces separate from each other and extending in the circumferential direction; a piston diffusion brazing step of diffusion brazing the first piston part, the bonding member and the second piston part under an open atmosphere by heating the formed piston assembly; and a piston cooling step of cooling a piston unit formed by diffusion brazing the first piston part, the bonding member and the second piston part.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: July 28, 2020
    Assignee: DONG YANG PISTON CO., LTD.
    Inventors: Jun-Kui Yang, Kwan-Ho Ryu, Jeong-Keun Lee, Ju-Hyun Sun, Sang-Bean Park, Jung-Hun Ji
  • Patent number: 10727453
    Abstract: The present disclosure relates to a method for sealing a pouch casing of a pouch-type secondary battery, which includes the steps of: a receiving step in which an electrode assembly is received in an inner space formed between an upper pouch and a lower pouch; and a sealing step in which a first pressure is applied to an outer circumferential sealing portion, where the upper pouch and the lower pouch are sealed, in the longitudinal direction, and then the pressure is relieved, wherein the sealing step is carried out by applying external force to the upper pouch in the upward direction and to the lower pouch in the downward direction, or by applying a second pressure working in perpendicular to the first pressure to the sealing portion from the inner part of the pouch casing in a direction toward the outside.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: July 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yong-Su Choi, Sang-Hun Kim, Min-Hyeong Kang, Yong Kim, Cho-Long Kim, Hyung-Kyun Yu, Ji-Hoon Lee, Soo-Ji Hwang
  • Patent number: 10711160
    Abstract: A slurry composition for polishing a metal layer and a method for fabricating a semiconductor device using the same are provided. The slurry composition for polishing a metal layer includes polishing particles including a metal oxide, an oxidizer including hydrogen peroxide, and a first polishing regulator including at least one selected from a group consisting of phosphate, phosphite, hypophosphite, and metaphosphate, wherein a content of the oxidizer is 0.01 wt % to 0.09 wt % with respect to 100 wt % of the slurry composition for polishing the metal layer.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: July 14, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KCTECH Co., Ltd.
    Inventors: Seung Ho Park, Hyun Goo Kong, Jung Hun Kim, Sang Mi Lee, Woo In Lee, Hee Sook Cheon, Sang Kyun Kim, Hao Cui, Jong Hyuk Park, Il Young Yoon
  • Patent number: 10714716
    Abstract: The present invention relates to a sealing apparatus for a secondary battery, which seals a sealing part of a case in which an electrode assembly and an electrolyte are accommodated, and the sealing apparatus comprises a sealing member comprising a first sealing piece and a second sealing piece, which thermally fuse a surface of the sealing part to seal the sealing part, wherein the first sealing piece and the second sealing piece comprise a plurality of thermal fusion parts, which are disposed from an outer end of a surface of the sealing part toward an inner end that is opposite to the outer end to thermally fuse the surface of the sealing part, and non-thermal fusion parts, which are disposed between the plurality of thermal fusion parts and do not seal the surface of the sealing part.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: July 14, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sang Kyun Lee, Cha Hun Ku
  • Patent number: 10711316
    Abstract: The present invention provides kits and primers for colony multiplex PCR for the detection of class A, B, C, and D ?-lactamase genes. The rapid detection of bla genes by using the kits and primers according to the present invention allows appropriate prescribing of antibiotics, which can reduce patient mortality and minimize antibiotic resistance. The present invention provides kits and primers for a rapid and accurate molecular method to overcome (a) to detect all clinically-important bla genes and (b) to explain phenotypic tests' results well by using 54 primer pairs, which are designed through novel and elaborate optimization processes. With perfect specificity and sensitivity in 172 control strains and 403 clinical strains, the present invention provides prompt and clinical application to the identification of all bla genes in bacterial pathogens.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: July 14, 2020
    Assignee: MYONGJI UNIVERSITY INDUSTRY AND ACADEMIA COOPERATION FOUNDATION
    Inventors: Sang Hee Lee, Jung Hun Lee
  • Publication number: 20200214638
    Abstract: An electronic device and method for measuring user body information are provided. The method for measuring user body information includes detecting a contact of a user's body portion on at least two spots of a touch screen of the electronic device, upon detecting the contact of the user's body portion on the at least two spots of the touch screen, applying power to a first coil in the electronic device, and measuring the user body information using at least one of a voltage and a second current measured after a first current is induced across the user's body by a first magnetic field generated from the first coil as the power is applied.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 9, 2020
    Inventors: Sang-Bae PARK, Do-Yoon KIM, Young-Hyun KIM, Byung-Hun CHOI, Jae-Eun KANG, Chang-Hyun KIM, Kang-Jin YOON, Jeong-Eun LEE