Patents by Inventor Ji-hwan Kim

Ji-hwan 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).

  • Publication number: 20230087198
    Abstract: Provided is a hybrid bonding apparatus including a plurality of chambers, and a transferer configured to transfer a plurality of wafers between the plurality of chambers and transfer a plurality of bonded wafers to an annealing chamber, the plurality of wafers including a plurality of substrate wafers and a plurality of die supply wafers, wherein the plurality of chambers respectively includes a wafer supplier configured to store the plurality of wafers, a bonding device configured to bond the plurality of wafers, the bonding device including a bonder configured to bond dies on the plurality of substrate wafers from the plurality of die supply wafers, and a pre-annealing oven configured to primarily anneal the plurality of substrate wafers, and a processor.
    Type: Application
    Filed: August 17, 2022
    Publication date: March 23, 2023
    Applicant: HANWHA PRECISION MACHINERY CO., LTD.
    Inventors: Tae Woo KANG, Ji Hwan Bae, Yong Jun Kim
  • Publication number: 20230088314
    Abstract: The present invention relates to a composition for surface modification. The composition for surface modification according to the present invention contains a particular carbodiimide-based compound, thus forms a covalent bond without damaging skin, hair, or fabric, and semipermanently provides desired skin or hair surface modification effects or fabric care effects.
    Type: Application
    Filed: October 14, 2022
    Publication date: March 23, 2023
    Applicant: LG Household & Health Care Ltd.
    Inventors: Seong Kil Son, Kyoung Ran Park, Dong Wan Kim, Kyung Hwan Kim, Ji Hee Yoo, Young Hyun Kim, Jeong Rae Lee, Sang Min Lee
  • Patent number: 11610919
    Abstract: A display device may include a substrate, a buffer layer on the substrate, a first active pattern on the buffer layer, the first active pattern having a first thickness, a second active pattern on the buffer layer spaced from the first active pattern and having a second thickness smaller than the first thickness, a first gate insulating layer on the first active pattern and the second active pattern, a first gate electrode on the first gate insulating layer, the first gate electrode overlapping the first active pattern, and a second gate electrode on the first gate insulating layer, the second gate electrode overlapping the second active pattern.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: March 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jonghoon Choi, Jongoh Seo, Ji-Hwan Kim, Jongjun Baek, Byung Soo So
  • Patent number: 11610536
    Abstract: An embodiment relates to an LED driving technique. The embodiment provides a technique of measuring a forward voltage reaching time of a currently driven LED by comparing a forward voltage sensed in a previous scan line and an LED voltage sensed in a current scan line, and compensating an ON period of a pulse width modulation (PWM) signal by the measured forward voltage reaching time.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: March 21, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Ji Hwan Kim, Jang Su Kim
  • Patent number: 11610521
    Abstract: The present disclosure relates to a technology for driving an LED, comprising sensing a forward-direction voltage of an LED and determining whether or not the LED is defective by comparing the forward-direction voltage with a comparative object voltage, wherein the comparative object voltage is continuously updated using a sensed forward-direction voltage so that the comparative object voltage may be set to be an unfixed value, that is, a value reflecting a current state of an LED. This allows a more accurate detection of a defect of an LED.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: March 21, 2023
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Ji Hwan Kim, Jong Min Lee
  • Publication number: 20230081495
    Abstract: A semiconductor device includes a plurality of blocks on a substrate. Trenches are disposed between the plurality of blocks. Conductive patterns are formed inside the trenches. A lower end of an outermost trench among the trenches is formed at a level higher than a level of a lower end of the trench adjacent to the outermost trench. Each of the blocks includes insulating layers and gate electrodes, which are alternately and repeatedly stacked. Pillars pass through the insulating layers and the gate electrodes along a direction orthogonal to an upper surface of the substrate.
    Type: Application
    Filed: November 9, 2022
    Publication date: March 16, 2023
    Inventors: Seung Hyun CHO, Kwang Ho Lee, Ji Hwan Yu, Jong Soo Kim
  • Publication number: 20230080144
    Abstract: The present invention relates to a real-time fluorescence imaging sensor for measuring glutathione in the endoplasmic reticulum (ER) and a method for producing same. More specifically, the present invention relates to a new compound for measuring glutathione in the endoplasmic reticulum (ER), a method for producing the new compound, a real-time imaging sensor for measuring glutathione in the endoplasmic reticulum (ER) comprising the new compound, a method for producing same, and a method for measuring glutathione in the endoplasmic reticulum (ER) by using the imaging sensor.
    Type: Application
    Filed: December 22, 2020
    Publication date: March 16, 2023
    Inventors: Heun Soo Kang, Hye Mi Kim, Gwang Mo Kim, Yeji Kim, Ji Woong Shin, Hye Won Kang, Yong Hwan Kim, Ki Hang Choi, Su-Hyeon Min
  • Publication number: 20230083076
    Abstract: The present disclosure provides a current mirror circuit including a first transistor configured to be supplied with a data current from a data driving circuit; a second transistor configured to drive a light emitting diode by mirroring the data current transferred to the first transistor; a capacitor disposed between the first transistor and the second transistor and configured to store a voltage of a gate terminal of the second transistor therein; and a first switch disposed between the first transistor and the second transistor and configured to adjust an input current of the gate terminal of the second transistor.
    Type: Application
    Filed: September 9, 2022
    Publication date: March 16, 2023
    Inventors: Ji Hwan KIM, Sang Suk KIM, Jang Su KIM
  • Patent number: 11602990
    Abstract: An electronic pedal apparatus is configured to perform an electronic pedal function by utilizing a basic configuration and also perform a foldable function by adding some elements to the basic configuration to be usefully used in an autonomous vehicle.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: March 14, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Kyung Chang Industrial Co., Ltd.
    Inventors: Eun Sik Kim, Hyeon Uk Kim, Ji Soo Kim, Jong Hwan Han
  • Patent number: 11603018
    Abstract: A power supply device for a vehicle child seat includes an anchor housing mounted on a rear seat, an anchor and a power supply connector, which are positioned within the anchor housing, a latch bar mounted on a child seat and fastened on the anchor in a locked manner, a connector module slidably fastened to the latch bar, and a power connection connector integrally combined with the connector module and removably fastened to the power supply connector.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: March 14, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Byeong Seon Son, Tae Hoon Lee, Seon Chae Na, Ji Hwan Kim, Sang Hoon Park, Sang Ho Kim, Seung Hyun Kim
  • Publication number: 20230075288
    Abstract: A power generation apparatus according to an embodiment of the present invention comprises: a cooling unit, a thermoelectric module comprising a thermoelectric element disposed on one surface of the cooling unit, and a heat sink disposed on the thermoelectric element; a guide plate disposed opposite the thermoelectric module; and a branch unit disposed on another surface perpendicular to the one surface of the cooling unit. The heat sink includes multiple heat dissipation fins which are spaced apart from each other. The ratio of the shortest horizontal distance between the heat sink and the guide plate to the shortest horizontal distance between the branch unit and the guide plate is 0.0625 to 0.25.
    Type: Application
    Filed: January 11, 2021
    Publication date: March 9, 2023
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jung Ho KIM, Jeung Ook PARK, Sang Hun AN, Jong Min LEE, Ji Hwan JEON
  • Publication number: 20230069876
    Abstract: In accordance with an embodiment, a noise reduction device includes a housing; and a slit located inside the housing and having a unit cell located therein, the unit cell comprising a sound absorbing layer configured to absorb noise generated from a sound source inside the housing, and a meta-material panel layer located on one surface of the sound absorbing layer, the meta-material panel layer comprising a sound meta-material.
    Type: Application
    Filed: August 31, 2022
    Publication date: March 9, 2023
    Inventors: Jin Ho Hwang, Ji Ah Kim, Min Ho Cho, Byoung Chul Park, Young Hwan Yoon, Kang Ho Cheon, Eun Gook Kim, Young Don Choi, Jin Woo Lee
  • Publication number: 20230072243
    Abstract: A substrate treatment apparatus including a chamber; a lower electrode in the chamber, wherein the substrate is on the lower electrode; an upper electrode in the chamber, and above the lower electrode; a pulse signal generator configured to generate a pulse signal; and a bias power supply configured to generate bias power having a pulsed non-sinusoidal waveform using the pulse signal, and supply the generated bias power to the lower electrode, wherein the bias power supply includes a DC power generator configured to receive the pulse signal and generate a direct-current (DC) voltage subjected to feedforward compensation based on the pulse signal; and a modulator configured to generate a power signal having a non-sinusoidal waveform using the DC voltage, and filter the power signal using the pulse signal to generate the bias power having the pulsed non-sinusoidal waveform.
    Type: Application
    Filed: April 13, 2022
    Publication date: March 9, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyun Bae KIM, Ji Hwan KIM, Hyong Seo YOON, Sang Ki NAM, Hyun Jae LEE, Myung Geun JEONG
  • Patent number: 11602052
    Abstract: A device for fixing a camera module, includes a base part; and a fixing unit including a first fixing part for supporting one side of each of a plurality of boards, and a second fixing part for supporting the other side facing one side of each of the plurality of boards, wherein a plurality of first fixing parts extends in a first direction from the base part, and includes a plurality of protruding parts protruding in the direction perpendicular to the first direction in order to support one side of each of the plurality of boards, and a plurality of second fixing parts extends in the first direction from the base part, and includes a plurality of protruding parts for supporting the other side of each of the plurality of boards.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: March 7, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kwang Sung Kim, Ji Hwan Park, Yong Tae Park, Beom Seok Yu
  • Patent number: 11596159
    Abstract: A meat-aging apparatus is disclosed. The meat-aging apparatus comprises: a photographing unit for photographing meat stored in the meat-aging apparatus; an illumination unit for irradiating light to the meat; a storage unit for storing recipe information for aging the meat according to the type or state of the meat; and a processor for determining the type or state of the meat on the basis of a photographed image, and controlling the illumination unit to irradiate light to the meat according to the recipe information corresponding to the determined type or state of the meat in order to age the meat.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: March 7, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-wook Park, Soon-cheol Kweon, Jin-hoon Kim, Hong-il Kim, Han-gil Moon, Ji-hwan Woo
  • Publication number: 20230062952
    Abstract: A semiconductor apparatus includes a command address control circuit. The command address control circuit is configured to receive a row command address signal and a column command address signal, and is configured to selectively invert the row command address signal and the column command address signal based on a logic level of at least one bit of the row command address signal.
    Type: Application
    Filed: September 1, 2022
    Publication date: March 2, 2023
    Applicant: SK hynix Inc.
    Inventors: Se Ra JEONG, Kyung Hoon KIM, Ji Hwan PARK, Ha Jun JEONG, Jae Hoon CHA
  • Publication number: 20230061014
    Abstract: A lower sheet disposed below a display panel includes a heat radiation layer having a first side and a second side facing the first side. A first film layer is disposed on the first side of the heat radiation layer. A second film layer is disposed on the second side of the heat radiation layer. A first resin layer is disposed between the heat radiation layer and the first film layer. A second resin layer is disposed between the heat radiation layer and the second film layer. A sealing layer is disposed on lateral sides of the heat radiation layer. The sealing layer directly contacts an entirety of the lateral sides of the heat radiation layer, and directly contacts at least a portion of lateral sides of the first resin layer and the second resin layer.
    Type: Application
    Filed: April 29, 2022
    Publication date: March 2, 2023
    Inventors: Jae-Hwan JEON, Byung-Gon Kum, Da Woon Kim, Do Hun Kim, Hyun Su Park, Ji Sang Seo
  • Publication number: 20230068684
    Abstract: Disclosed is a polycyclic compound that can be employed in various organic layers of an organic electroluminescent device. Also disclosed is an organic electroluminescent device including the polycyclic compound. The organic electroluminescent device includes a light emitting layer employing the polycyclic compound as a dopant and an anthracene derivative having a characteristic structure and characteristic substituents as a host. The use of the polycyclic compound significantly improves the color purity, luminous efficiency, and life characteristics of the organic electroluminescent device and makes the organic electroluminescent device highly efficient and long lasting.
    Type: Application
    Filed: July 12, 2022
    Publication date: March 2, 2023
    Applicant: SFC CO., LTD
    Inventors: Sung-hoon JOO, Bong-ki SHIN, Ji-hwan KIM, Kyung-hwa PARK, Hyeon-jun JO, Seong-eun WOO, Sung-eun CHOI, Soo-kyung KANG
  • Patent number: 11595593
    Abstract: An infrared image sensor includes: a plurality of reference circuits configured to provide a plurality of reference analog values to a plurality of bolometer cells, respectively; a front-end analog circuit configured to collect a plurality of output analog values according to the plurality of reference analog values; and a noise suppression circuit configured to switch a correspondence between the plurality of bolometer cells and the plurality of reference analog values at unit time intervals.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: February 28, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chang Seok Lee, Joon Hyung Lim, Ji Hwan Kim
  • Patent number: 11595581
    Abstract: A camera module actuator includes: a magnet disposed on a lens barrel; a driving coil disposed opposite to the magnet; and a driving device including a comparer that calculates an error value by comparing a target position of the lens barrel with a current position of the lens barrel, a controller IC that generates a control signal by applying control gains to the error value, and a driving circuit that generates a driving signal in response to the control signal. The controller IC determines the control gains based on a friction coefficient between a guide groove guiding movement of the lens barrel and a ball bearing contacting the guide groove. The controller IC provides a detection signal having a gradually increasing level to the driving coil, and determines the friction coefficient based on a level of the detection signal at a point in time of movement of the lens barrel.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: February 28, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ji Buem Chun, Ji Hwan Kim