Patents by Inventor Ki Kim

Ki 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).

  • Electrode, Secondary Battery Including the Electrode, and Method of Preparing the Electrode
    Publication number: 20240079554
    Abstract: An electrode includes an electrode active material, wherein the electrode active material layer includes an electrode active material, polyvinylidene fluoride, and a conductive agent, wherein the 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 same, and a method of preparing the electrode are also provided.
    Type: Application
    Filed: October 18, 2023
    Publication date: March 7, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Seul Ki Kim, Tae Gon Kim, Je Young Kim, Wang Mo Jung, Jung Woo Yoo, Sang Wook Lee
  • Semiconductor device
    Patent number: 11923426
    Abstract: A semiconductor device capable of improving a device performance and a reliability is provided. The semiconductor device comprising a gate structure including a gate electrode on a substrate, a source/drain pattern on a side face of the gate electrode, on the substrate and, a source/drain contact connected to the source/drain pattern, on the source/drain pattern, a gate contact connected to the gate electrode, on the gate electrode, and a wiring structure connected to the source/drain contact and the gate contact, on the source/drain contact and the gate contact, wherein the wiring structure includes a first via plug, a second via plug, and a wiring line connected to the first via plug and the second via plug, the first via plug has a single conductive film structure, and the second via plug includes a lower via filling film, and an upper via filling film on the lower via filling film.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: March 5, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji Won Kang, Tae-Yeol Kim, Jeong Ik Kim, Rak Hwan Kim, Jun Ki Park, Chung Hwan Shin
  • Gas sensor array having shared field effect transistor
    Patent number: 11921080
    Abstract: The gas sensor according to an exemplary embodiment of the present invention comprises: an FET device including one or more gate electrodes; a sensor array part including a plurality of sensors, in which a first electrode of each sensor is connected to at least one gate electrode of the plurality of gate electrodes in the FET device; and a controller detecting a gas using a current between a drain-source in response to voltage changes in the gate electrode of the FET device, wherein each sensor includes: a first electrode connected to a gate electrode of the FET device; a second electrode receiving an operating voltage through a switch controlled by the controller; and a detection film interposed between the first electrode and the second electrode.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: March 5, 2024
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Kook Nyung Lee, Woo Kyeong Seong, Won Hyo Kim, Dong Ki Hong, Hye Lim Kang
  • Light-emitting device and display device using the same
    Patent number: 11925047
    Abstract: Disclosed are a light-emitting device and a display device including the same. An emissive layer is formed so as to have a dual-layer structure, the triplet energy level of a dopant of a first emissive layer adjacent to a hole transport layer is greater than the triplet energy level of a first host in the first emissive layer, and the triplet energy level of the first host is greater than the triplet energy level of a second host of a second emissive layer, whereby triplet excitons generated in the first emissive layer are recycled to the second emissive layer so as to be reused for light emission.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: March 5, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Chun Ki Kim, Jung Keun Kim, Yu Jeong Lee, Wook Song
  • Resin, resin composition, and display device using same
    Patent number: 11920025
    Abstract: Provided are a display device including a resin containing a repeating unit represented by chemical formula (1), a resin composition comprising the resin, and a pixel separation unit formed of the resin composition, in which the display device is a display device including a first electrode formed on a substrate, a pixel separation unit formed on the first electrode to partially expose the first electrode, and a second electrode installed to face the first electrode, and the pixel separation unit has an absorbance of 0.5/?m or more at a wavelength of 550 nm.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: March 5, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Changmin Lee, Yun Jong Ko, Jun Bae, Jun Ki Kim, Hyunsang Cho, Seo Jeong Jeon, Soung Yun Mun
  • Method of preparing superabsorbent polymer
    Patent number: 11918978
    Abstract: Provided is a method of preparing a superabsorbent polymer. More specifically, provided is a method of preparing a superabsorbent polymer capable of exhibiting improved initial absorbency and a rapid absorption rate by polymerizing monomers having acidic groups, of which part is neutralized with a basic material including potassium hydroxide, in the presence of an encapsulated foaming agent.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: March 5, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Seul Ah Lee, Gicheul Kim, Dae Woo Nam, Ki Hyun Kim, Jun Kyu Kim, Young Jae Hur
  • DISPLAY DEVICE
    Publication number: 20240069658
    Abstract: A display device, includes: a light emitting element layer including a sub-pixel and a pixel defining film defining the sub-pixel; a thin film encapsulation layer on the light emitting element layer; a pseudo-reflection pattern overlapping the pixel defining film and formed on the thin film encapsulation film; a connection electrode on the pseudo-reflection pattern; a second touch insulating layer on the connection electrode; and a driving electrode and a sensing electrode on the second touch insulating layer, wherein a width of the connection electrode is greater than a width of the driving electrode.
    Type: Application
    Filed: August 15, 2023
    Publication date: February 29, 2024
    Inventors: Hyoeng Ki KIM, Hyeon Bum LEE, Hyun Ho KIM
  • CYLINDRICAL SECONDARY BATTERY AND MANUFACTURING METHOD OF SECONDARY BATTERY
    Publication number: 20240072294
    Abstract: A cylindrical secondary battery and a manufacturing method of a secondary battery are provided. A manufacturing method of a cylindrical secondary battery includes: winding an electrode assembly to expose a first electrode uncoated portion and a second electrode uncoated portion to opposite ends in a longitudinal direction; bending at least some portions of the first electrode uncoated portion and the second electrode uncoated portion of the electrode assembly in a direction by pressing the first electrode uncoated portion and the second electrode uncoated portion; welding electrode collector plates to ends of the bent first and second electrode uncoated portions; and inserting and sealing the electrode assembly into a cylindrical case.
    Type: Application
    Filed: August 16, 2023
    Publication date: February 29, 2024
    Inventors: Jung Hyun KIM, Joung Ku KIM, Byung Kyu PARK, Jung Hyun PARK, Joo Youn SHIN, Gye Won LEE, Dong Sub LEE, Hyun Ki JUNG
  • Positive Electrode Active Material, and Positive Electrode and Secondary Battery Which Include the Same
    Publication number: 20240072244
    Abstract: A positive electrode active material for a lithium secondary battery comprising lithium transition metal oxide particles having a core-shell structure which includes a core portion and a shell portion disposed on a surface of the core portion. Wherein, the average crystallite size of the core portion is smaller than an average crystallite size of the shell portion and an amount of nickel among total transition metals included in the core portion and the shell portion is 80 atm % or more. A positive electrode active material, which suppresses decomposition of an electrolyte solution and occurrence of micro cracks of the positive electrode active material during charge and discharge by forming an average crystallite size of a core portion of the high-nickel positive electrode active material smaller than an average crystallite size of a shell portion, and a method of preparing the same.
    Type: Application
    Filed: February 24, 2022
    Publication date: February 29, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Dong Hun Lee, Hak Yoon Kim, So Ra Baek, Hyuck Hur, Dong Hwi Kim, Hyeong Il Kim, Seul Ki Chae, Wang Mo Jung
  • METHOD FOR PROVIDING PROXIMAL USER NETWORKING SERVICE BY MEANS OF NEAR-FIELD COMMUNICATION NETWORK, AND SYSTEM THEREFOR
    Publication number: 20240073666
    Abstract: The present disclosure relates to a method of providing a proximal user networking service by means of a near-field communication network and a system therefor. Specifically, the present disclosure implements an environment in which, when an ad packet is broadcast using a certain host device, a guest device that receives the ad packet in the vicinity uploads relevant information to a service server, thereby allowing the host device to check guest devices that have been present in proximity thereto in the vicinity.
    Type: Application
    Filed: October 26, 2023
    Publication date: February 29, 2024
    Inventors: Seok Ki KIM, Jung In CHOI, Jae Kyu LEE, Keol HEO, Hyun Seo LIM
  • DISPLAY DEVICE AND METHOD OF INSPECTING THE SAME
    Publication number: 20240071299
    Abstract: A display device includes connection lines, pulse amplitude modulation (PAM) data lines configured to receive pulse width modulation (PWM) data voltages, PWM data lines configured to receive the PWM data voltages, a first connection control line configured to receive a first connection control signal, a second connection control line configured to receive a second connection control signal, subpixels connected to the PWM data lines and the PAM data lines, and a first demultiplexer (demux) unit configured to connect the connection lines to the PAM data lines or to the PWM data lines according to the first connection control signal and the second connection control signal.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 29, 2024
    Inventors: Jung Hwan HWANG, Hyun Joon KIM, Kye Uk LEE, Jun Ki JEONG, Sang Jin JEON
  • DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME
    Publication number: 20240072218
    Abstract: The present disclosure provides a display device and a method for fabricating the same. According to one or more embodiments, a display device includes a substrate, pixel electrodes above the substrate, light-emitting elements above the pixel electrodes, extending in a thickness direction of the substrate, and having a polyhedral shape in the thickness direction, a width of a middle portion of the polyhedral shape being greater than a width of an upper portion of the polyhedral shape and greater than a width of a lower portion of the polyhedral shape, and a common electrode above the light-emitting elements.
    Type: Application
    Filed: May 2, 2023
    Publication date: February 29, 2024
    Inventors: Tae Jin KONG, Myeong Hee KIM, Seul Ki KIM, Ji Eun PARK, Myeong Su SO
  • Device for measuring biological information including sensor array and method of measuring biological information using device
    Patent number: 11911153
    Abstract: The present invention provides a device for measuring biological information including a sensor array, wherein the sensor array includes a plurality of sensors that are either sensors for amplifying photoreactivity or sensors forming an island network connected by a plurality of multi-channels and, in the device, the average value of biological information about the skin tissues is measured based on values output from the sensor array, and a method of measuring biological information using the device.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: February 27, 2024
    Assignees: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, Korea Electronics Technology Institute
    Inventors: Sun Kook Kim, Sung Ho Lee, Min Goo Lee, Hyuk Sang Jung, Min Jung Kim, Young Ki Hong, Won Geun Song
  • Disc-shaped sample chamber and probe including the same
    Patent number: 11913858
    Abstract: Disclosed is a disc-shaped sample chamber for collecting molten metal, the chamber comprising: a chamber body having a left body and a right body bonded to each other to define a disc-shaped sample space therebetween; an inlet extending upward from the chamber body and connecting the sample space with the outside; and a welded bonding portion disposed on at least one lateral face of the chamber body for bonding the left body and the right body to each other. Further, a probe having the chamber is disclosed.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: February 27, 2024
    Assignee: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventors: Bong-Ki Baik, Young-jin Jung, Cheol-jung Kim
  • LIGHT EMITTING ELEMENT, METHOD OF MANUFACTURING THE SAME, AND DISPLAY DEVICE COMPRISING THE LIGHT EMITTING ELEMENT
    Publication number: 20240065017
    Abstract: A light emitting element includes a first semiconductor layer; an active layer; a second semiconductor layer; a first electrode; and a second electrode. The active layer includes a first surface contacting the first semiconductor layer, a second surface facing the first surface and contacting the second semiconductor layer, and a side connected to the first surface and the second surface. The first semiconductor layer includes partitioned first, second, and third areas. A side of the first area is inclined in a same direction as the side of the active layer, a side of the second area is inclined in a direction opposite to the direction in which the side of the active layer is inclined, and a side of the third area includes a straight line part parallel to the length direction of the light emitting element.
    Type: Application
    Filed: August 15, 2023
    Publication date: February 22, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Myeong Su SO, Seul Ki KIM, Si Sung KIM, Chi Hun WON
  • DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20240065045
    Abstract: A display panel includes a base substrate, a transistor disposed on the base substrate and including a semiconductor pattern including a source area, a drain area, and an active area, a gate insulating pattern layer disposed on the semiconductor pattern, and a gate electrode disposed on the gate insulating pattern, and connection electrodes disposed on the gate insulating pattern layer and connected to the semiconductor pattern through contact holes, respectively. The gate insulating pattern layer includes a first portion overlapping at least one of the source area and the drain area and a second portion extending from the first portion. A thickness of the first portion is equal to or smaller than about 50% of a thickness of the second portion.
    Type: Application
    Filed: March 22, 2023
    Publication date: February 22, 2024
    Inventors: HYUN KIM, SHOYEON KIM, SEUL-KI KIM, KAP SOO YOON, JAEHYUN LEE, SEUNG-HA CHOI
  • STIMULUS-RESPONSIVE DYNAMIC META-HOLOGRAPHIC DEVICE
    Publication number: 20240061376
    Abstract: This disclosure relates to a stimulus-responsive dynamic meta-holographic device. According to an aspect of the disclosure, a stimulus-responsive dynamic meta-holographic device can be provided, which includes a metasurface in which a plurality of nanostructures are provided; wherein in the metasurface is provided a liquid crystal layer comprising a plurality of cells that may be altered in arrangements by outer stimulus, wherein the liquid crystal layer, is configured to alter the polarization state of the transmitted beam penetrating the liquid crystal layer as the arrangements of the cells are altered by outer stimulus.
    Type: Application
    Filed: January 3, 2022
    Publication date: February 22, 2024
    Inventors: Jun Suk RHO, In Ki Kim, Won Sik Kim, Yong Ki KIM, Jae Hyuck JANG
  • SEMICONDUCTOR DEVICES AND METHODS OF MANUFACTURING SEMICONDUCTOR DEVICES
    Publication number: 20240063145
    Abstract: An electronic device includes a substrate having a conductive structure with a substrate outward terminal at a second side of the substrate. A dielectric structure with an opening is adjacent to the second side. An electronic component is coupled to the substrate and an encapsulant encapsulates the electronic component. The substrate outward terminal comprises a multi-via terminal or a multi-stage via. The multi-via terminal includes pad conductive vias in the opening, a pad dielectric via interposed between the pad conductive vias, and a conductor comprising a conductor top side with micro dimples over the pad conductive vias and the pad dielectric via. The multi-stage terminal includes a pad base within the opening having a top side recessed below an upper surface the dielectric and a pad head coupled to the pad base within the opening, the pad head having a top side with a micro dimple.
    Type: Application
    Filed: October 31, 2023
    Publication date: February 22, 2024
    Applicant: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Tae Ki KIM, Jae Beom SHIM, Min Jae YI, Yi Seul HAN, Young Ju LEE, Kyeong Tae KIM
  • METHOD FOR PREPARING PIXEL DEFINE LAYER
    Publication number: 20240065027
    Abstract: An object of the present disclosure is to implement a coloring pattern with a low amount of outgas on an electrode substrate to thereby increase reliability and lifetime of display as well as vivid colors of the same. That is, considering that when the amount of outgas in the panel after post-baking is 15 ppm or more, it may cause a reduction in luminance and lifetime due to pixel shrinkage, in order to minimize the amount of outgas after completion of the post-baking process, the generation of outgas in the panel state is minimized by generating sufficient fume in the post-baking step by way of including a colorant according to the present disclosure.
    Type: Application
    Filed: August 14, 2023
    Publication date: February 22, 2024
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Seo Jeong JEON, Changmin LEE, Yeon Soo LEE, Jun BAE, Jun Ki KIM, Soung Yun MUN, Kyung Soo KIM
  • Apparatus and method for reducing power consumption in multi antenna system
    Patent number: 11910310
    Abstract: An apparatus and method for reducing the power consumption of a Base Station (BS) in a multi antenna system are provided. The method for reducing the power consumption of the BS includes identifying an amount of resources being in use for communication, determining whether to convert at least one Radio Frequency (RF) unit into a power saving mode considering the amount of resources, if converting at least one RF unit into the power saving mode, turning OFF a power supply of a power amplifier of at least one of at least two antenna paths constituting the at least one RF unit converted into the power saving mode, and increasing a gain of at least one antenna path turning ON a power supply such that a transmission Power Spectral Density (PSD) is not changed according to the power saving mode conversion.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: February 20, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-Ki Kim, Mi-Yeon Yu