Patents by Inventor Chang-hyun Kim

Chang-hyun 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).

  • Patent number: 11422181
    Abstract: A semiconductor device includes a first semiconductor chip and a second semiconductor chip stacked on the first semiconductor chip and electrically connected to the first semiconductor chip by a first through electrode and a second through electrode. The first semiconductor chip may electrically connect the first through electrode to a third test resistor during a second test operation. The first semiconductor chip may detect a voltage level of the first internal node, which is determined by resistance values of the third test resistor and the first and second through electrodes, to test a short failure between the first and second through electrodes during the second test operation.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: August 23, 2022
    Assignee: SK hynix Inc.
    Inventor: Chang Hyun Kim
  • Patent number: 11417546
    Abstract: An exemplary embodiment of the present invention provides a method of transferring a micro device. The method of transferring the micro device includes: separating a transferring film from a micro device transferred to a target substrate and bending the transferring film upwardly to form a bent circular arc, and pressurizing an upper transferring film fed after the bent circular arc is formed by a pressurizing roller rotating at an upper side of the target substrate.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: August 16, 2022
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Byung-Ik Choi, Yun Hwangbo, Jae-Hyun Kim, Sung Uk Yoon, Chang Hyun Kim, Jung Yup Kim, Kyung-Sik Kim, Sang Min Kim, Bongkyun Jang, Kwangseop Kim
  • Publication number: 20220236907
    Abstract: A device includes a section signal generation circuit configured to generate a section signal including bits activated during an operation section of each of internal operations included in a mode operation, and a mode command generation circuit configured to generate a mode command for performing the internal operations included in the mode operation from an oscillating signal, based on the section signal.
    Type: Application
    Filed: April 26, 2021
    Publication date: July 28, 2022
    Applicant: SK hynix Inc.
    Inventors: Chang Hyun KIM, Hyun Woong YANG, Soo Bin LIM
  • Patent number: 11372591
    Abstract: A semiconductor system includes a memory controller and a memory apparatus. The memory controller provides at least first to third command address signals. The memory apparatus performs a burst read operation based on the first and second command address signals, and terminates the burst read operation by receiving the third command address signal twice. The memory apparatus continuously initializes an internal circuit that is performing the burst read operation in a section the third command address signal is received twice.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: June 28, 2022
    Assignee: SK hynix Inc.
    Inventors: Seung Wook Oh, Chang Hyun Kim, Young Jae An, Woong Rae Kim
  • Patent number: 11356096
    Abstract: A logic circuit includes a first pull-up driving circuit configured to drive a first inverted input signal to a supply voltage based on a first input signal, and configured to pull up an output signal based on the first input signal, a second input signal, and a third inverted input signal. The logic circuit also includes a first pull-down driving circuit configured to drive the third inverted input signal to a ground voltage based on the third input signal, and configured to pull down the output signal based on the first inverted input signal, the second input signal, and the third input signal.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: June 7, 2022
    Assignee: SK hynix Inc.
    Inventor: Chang Hyun Kim
  • Patent number: 11341375
    Abstract: Apparatuses and methods for image processing are provided. The image processing apparatus performs area classification and object detection in an image, and includes a feature map generator configured to generate the feature map of the input image using the neural network, and an image processor configured to classify the areas and to detect the objects in the image using the generated feature map.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: May 24, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Jin Choi, Chang Hyun Kim, Eun Soo Shim, Dong Hwa Lee, Ki Hwan Choi
  • Patent number: 11327716
    Abstract: An arithmetic circuit includes an arithmetic driving circuit and a detection circuit. The arithmetic driving circuit is configured to generate an arithmetic result value based on first and second arithmetic target values. The detection circuit is configured to detect whether an upper borrow digit value occurs, by receiving the arithmetic result value as feedback.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: May 10, 2022
    Assignee: SK hynix Inc.
    Inventor: Chang Hyun Kim
  • Publication number: 20220111109
    Abstract: This application relates to an air sterilizer and an air sterilization method using same. In one aspect, the air sterilizer includes a housing including a flow path through which air moves. The air sterilizer may also include a first sterilization module configured to emit an electromagnetic wave to the air to sterilize the air, and a second sterilization module configured to remove a microorganism in the air using an electrostatic force. The first sterilization module may adjust a wavelength of the electromagnetic wave so that an intensity of the electromagnetic wave is determined based on a type of the microorganism, by controlling a tube voltage of the electromagnetic wave.
    Type: Application
    Filed: October 12, 2021
    Publication date: April 14, 2022
    Inventors: Hong Sue CHOI, Jun Young CHOI, Se Hoon GIHM, Sung Hyun BAE, Nam Kyu LEE, Ki Hoon YOON, Chang Hyun KIM
  • Publication number: 20220111400
    Abstract: This application relates to a modular electrostatic precipitator. In one aspect, the modular electrostatic precipitator includes a housing providing a flow path through which air is moved and a charging module configured to emit electromagnetic waves to the air. The precipitator may also include a first attaching/detaching unit configured to attach and detach the charging module to and from the housing and a particle collecting module configured to collect particles in the air by applying an electrostatic force to the air. The precipitator may further include a second attaching and detaching unit configured to attach and detach the particle collecting module to and from the housing.
    Type: Application
    Filed: October 12, 2021
    Publication date: April 14, 2022
    Inventors: Hong Sue CHOI, Jun Young CHOI, Se Hoon GIHM, Sung Hyun BAE, Nam Kyu LEE, Ki Hoon YOON, Chang Hyun KIM
  • Publication number: 20220101888
    Abstract: A semiconductor memory device may include a plurality of memory cells wherein identifiers may be provided to the memory cells, The semiconductor memory device may include a first circuit, a second circuit and a power control circuit. The first circuit may include a first power terminal and a second power terminal. The second circuit may include a third terminal and a fourth terminal, The power control circuit may be configured to apply a first power voltage or a ground voltage to the first power terminal and to apply the ground voltage to the second power terminal based on the identifiers.
    Type: Application
    Filed: March 3, 2021
    Publication date: March 31, 2022
    Applicant: SK hynix Inc.
    Inventor: Chang Hyun KIM
  • Patent number: 11288012
    Abstract: A memory system is disclosed, which relates to technology for implementing data communication between memory devices. The memory system includes a plurality of memory devices and a memory controller. The memory devices allow a data packet composed of data and header information to be directly communicated between the memory devices. The memory controller transmits the data packet to a source memory device from among the plurality of memory devices, and receives the data packet from a last memory device from among the plurality of memory devices. Each of the memory devices hashes the header information such that the data is accessed, using a result of the hash, in address regions located at different positions.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: March 29, 2022
    Assignee: SK hynix Inc.
    Inventors: Chang Hyun Kim, Eui Cheol Lim, Young Jung Choi, Hyung Sik Won, Sun Woong Kim
  • Patent number: 11270881
    Abstract: In a plasma deposition method, a substrate is loaded onto a substrate stage within a chamber. A first plasma is generated at a region separated from the substrate by a first distance. A first process gas is supplied to the first plasma region to perform a pre-treatment process on the substrate. A second plasma is generated at a region separated from the substrate by a second distance different from the first distance. A second process gas is supplied to the second plasma region to perform a deposition process on the substrate.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: March 8, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kaoru Yamamoto, Chang-Hyun Kim, Hyun-Jae Song, Keun-Wook Shin, Hyeon-Jin Shin, Sung-Joo An, Chang-Seok Lee, Kee-Young Jun, Geun-O Jeong, Jang-Hee Lee
  • Publication number: 20220067817
    Abstract: The systems and methods for receiving a user input for a combination of a plurality of object pointers, wherein the object pointers are associated with a corresponding plurality of items located within a first area; retrieving one or more system parameters comprising a current location and a current container; transmitting a request for the combination of the plurality of object pointers, the request comprising the one or more system parameters; receiving the combination of the plurality of object pointers in response to the request; displaying locations of the plurality of items relative to the current location; and processing the plurality of items until a threshold capacity of the current container is reached by receiving input data corresponding to the plurality of object pointers.
    Type: Application
    Filed: August 27, 2021
    Publication date: March 3, 2022
    Inventors: Sung Jin PARK, Chang Geun JIN, Lianxi BAI, Kyung Jae LEE, Chang Hyun KIM, Sang Ho LEE, Sang Hee AHN, Hyeon Chang BAEK, Sang Ho YIM, Seon Sook HONG, Kyeong Suk JIN, Seo Kyoung LEEM, Eung Soo LEE
  • Publication number: 20220044195
    Abstract: Provided is an electronic apparatus and a method thereof. The method includes identifying pickup item information, identifying at least one storage place corresponding to the pickup item information among a plurality of storage places in the item storage center based on information on or regarding an item group located at each of the plurality of storage places, and providing information on the identified storage place and the pickup item information to a manager terminal, wherein the item group comprises at least one same item corresponding to an item group, and at least a portion of a plurality of item groups comprising a same item are stored in different storage places in the item storage center.
    Type: Application
    Filed: July 1, 2021
    Publication date: February 10, 2022
    Applicant: Coupang Corp.
    Inventors: Hyeon Chang Baek, Chang Hyun Kim, Sang Ho Yim, Sung Jin Park, Chang Geun Jin, Lianxi Bai
  • Publication number: 20220037214
    Abstract: A method of manufacturing a flip chip package includes forming a plurality of semiconductor chips and bonding the semiconductor chips to a package substrate. The method further includes electrically testing the plurality of semiconductor chips on the package substrate, molding the tested semiconductor chips, and singulating the molded chips. Electrically testing the semiconductor chips includes covering the semiconductor chips with a protection member.
    Type: Application
    Filed: October 15, 2021
    Publication date: February 3, 2022
    Applicant: SK hynix Inc.
    Inventors: Jee Won CHUNG, Dong Jin KIM, Byeung Ho KIM, Chang Hyun KIM
  • Publication number: 20220027279
    Abstract: A memory system includes: a first memory module including first volatile memories; a second memory module including second volatile memories, non-volatile memories and a module controller; a memory controller controlling the first and second memory modules through second and third control buses, respectively; and a switch array electrically coupling the second and third control buses, wherein the module controller controls the switch array to electrically couple the second and third control buses in a backup operation for backing up data of the first volatile memories to the non-volatile memories, wherein the first and second memory modules include one or more first memory stacks and one or more second memory stacks, respectively, wherein the first volatile memories are stacked in the first memory stacks, and wherein the second volatile memories, the non-volatile memories and the module controller are stacked in the second memory stacks.
    Type: Application
    Filed: October 4, 2021
    Publication date: January 27, 2022
    Inventors: Yong-Woo LEE, Min-Chang KIM, Chang-Hyun KIM, Do-Yun LEE, Jae-Jin LEE, Hun-Sam JUNG, Chan-Jong WOO
  • Patent number: 11222684
    Abstract: A refresh control device, and a memory device may be provided. The latch controller may include a first oscillator configured to generate a first oscillation signal, and a second oscillator configured to generate a second oscillation signal. The latch controller may be configured to receive a precharge signal and prevent the second oscillation signal from being synchronized with the precharge signal.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: January 11, 2022
    Assignee: SK hynix Inc.
    Inventors: Jae Seung Lee, Chang Hyun Kim, Yo Sep Lee
  • Publication number: 20220003440
    Abstract: Disclosed is a machine learning-based air handler and a control method thereof, the control method including collecting first data on an air quality of air flowing into the air handler, controlling a purification part based on the first data, collecting second data on an air quality of air passing through the purification part, and controlling the purification part according to a machine-learning model generated based on a setting value related to a control of the purification part, the first data, and the second data.
    Type: Application
    Filed: June 28, 2021
    Publication date: January 6, 2022
    Inventors: Hong Soo Choi, Jun Young Choi, Sung Hyun Bae, Nam Kyu Lee, Gi Hoon Yoon, Chang Hyun Kim, Se Hoon Gihm
  • Publication number: 20210405927
    Abstract: A semiconductor system includes a memory controller and a memory apparatus. The memory controller provides at least first to third command address signals. The memory apparatus performs a burst read operation based on the first and second command address signals, and terminates the burst read operation by receiving the third command address signal twice. The memory apparatus continuously initializes an internal circuit that is performing the burst read operation in a section the third command address signal is received twice.
    Type: Application
    Filed: January 25, 2021
    Publication date: December 30, 2021
    Applicant: SK hynix Inc.
    Inventors: Seung Wook OH, Chang Hyun KIM, Young Jae AN, Woong Rae KIM
  • Publication number: 20210389929
    Abstract: An arithmetic circuit includes an arithmetic driving circuit and a detection circuit. The arithmetic driving circuit is configured to generate an arithmetic result value based on first and second arithmetic target values. The detection circuit is configured to detect whether an upper borrow digit value occurs, by receiving the arithmetic result value as feedback.
    Type: Application
    Filed: January 13, 2021
    Publication date: December 16, 2021
    Applicant: SK hynix Inc.
    Inventor: Chang Hyun KIM