Patents by Inventor Jung-Hwan JI

Jung-Hwan JI 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: 11990099
    Abstract: Provided a source driver integrated circuit (IC) and a display driving device eliminating an existing input pad and internal wiring of a source driver integrated circuit (IC) for receiving a sensing reference voltage from an external voltage source by allowing the sensing reference voltage for initializing pixels during sensing of the pixels to be generated by an internal voltage source, rather than the external voltage source.
    Type: Grant
    Filed: June 16, 2023
    Date of Patent: May 21, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Seung Hwan Ji, Ho Sung Hong, Ye Ji Lee, Jung Bae Yun
  • Patent number: 11983071
    Abstract: The present technology may include an error correction code engine configured to generate a parity bit and syndrome information by performing an operation according to operation source data, and a data processing circuit configured to simultaneously output the parity bit and first delay data, which is generated by delaying input data by a first time according to a write operation, simultaneously output the syndrome information and second delay data, which is generated by delaying input data by a second time according to a read operation, and to share substantially the same signal path in generating the first delay data and in generating the second delay data.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: May 14, 2024
    Assignee: SK hynix Inc.
    Inventors: Seon Woo Hwang, Seong Jin Kim, Jung Hwan Ji
  • Publication number: 20240155212
    Abstract: A camera module includes: a first body including a substrate; an image sensor mounted on the substrate; a second body including a lens module; a ball bearing disposed between the first body and the second body to enable movement of the second body relative to the first body; and a driving member disposed between the first body and the second body to provide driving force to move the second body in at least one direction intersecting an optical axis.
    Type: Application
    Filed: May 16, 2023
    Publication date: May 9, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Do Hwan KIM, Ju Ho KIM, Sang Hyun JI, Jung Hyun PARK, Nam Keun OH, Doo Seub SHIN, Dong Hoon LEE, Jong Eun PARK, Sangik CHO
  • Patent number: 11967389
    Abstract: The present technology may include a first storage circuit connected to a plurality of memory banks, an error correction circuit, a read path including a plurality of sub-read paths connected between the plurality of memory banks and the error correction circuit, and a control circuit configured to control data output from the plurality of memory banks to be simultaneously stored in the first storage circuit by deactivating the read path during a first sub-test section, and to control the data stored in the first storage circuit to be sequentially transmitted to the error correction circuit by sequentially activating the plurality of sub-read paths during a second sub-test section.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: April 23, 2024
    Assignee: SK hynix Inc.
    Inventors: Seon Woo Hwang, Seong Jin Kim, Jung Hwan Ji
  • Patent number: 11935472
    Abstract: The present disclosure relates to a pixel sensing circuit which extends an operation section of an integrator by using an additional signal and allows securing a time required for a stable output of a sensing voltage.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: March 19, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Seung Hwan Ji, Sang Min Lee, Gi Baek Choi, Jung Bae Yun
  • Publication number: 20240022261
    Abstract: In an embodiment, an error correction code circuit is provided. The error correction code circuit includes an error correction code engine and data processing circuit. The error correction code engine is configured to generate a second parity signal and syndrome information by performing an operation on operation source data and a first parity signal. The data processing circuit is configured to output write data as the operation source data and output an internally generated dummy parity signal as the first parity signal during a write operation, and to output read data as the operation source data and output a read parity signal as the first parity signal during a read operation.
    Type: Application
    Filed: December 20, 2022
    Publication date: January 18, 2024
    Applicant: SK hynix Inc.
    Inventors: Seon Woo HWANG, Seong Jin KIM, Jung Hwan JI
  • Publication number: 20230273860
    Abstract: The present technology may include an error correction code engine configured to generate a parity bit and syndrome information by performing an operation according to operation source data, and a data processing circuit configured to simultaneously output the parity bit and first delay data, which is generated by delaying input data by a first time according to a write operation, simultaneously output the syndrome information and second delay data, which is generated by delaying input data by a second time according to a read operation, and to share substantially the same signal path in generating the first delay data and in generating the second delay data.
    Type: Application
    Filed: August 5, 2022
    Publication date: August 31, 2023
    Applicant: SK hynix Inc.
    Inventors: Seon Woo HWANG, Seong Jin KIM, Jung Hwan JI
  • Publication number: 20230215508
    Abstract: The present technology may include a first storage circuit connected to a plurality of memory banks, an error correction circuit, a read path including a plurality of sub-read paths connected between the plurality of memory banks and the error correction circuit, and a control circuit configured to control data output from the plurality of memory banks to be simultaneously stored in the first storage circuit by deactivating the read path during a first sub-test section, and to control the data stored in the first storage circuit to be sequentially transmitted to the error correction circuit by sequentially activating the plurality of sub-read paths during a second sub-test section.
    Type: Application
    Filed: May 5, 2022
    Publication date: July 6, 2023
    Applicant: SK hynix Inc.
    Inventors: Seon Woo HWANG, Seong Jin KIM, Jung Hwan JI
  • Patent number: 11364639
    Abstract: A construction robot for a ceiling is provided. The construction robot includes: a robot base having an upper plate; a targeting unit on the upper plate, wherein the targeting unit moves a robotic arm assembly combined with the targeting unit, and wherein the robotic arm assembly includes: a first robotic arm where a drill is mounted, wherein a first elevating unit of the first robotic arm is elevated or lowered according to information on the ceiling, a second robotic arm where an anchor bolt inserting equipment is mounted, wherein a second elevating unit of the second robotic arm is elevated or lowered according to the information, and a third robotic arm where an impact wrench is mounted, wherein a third elevating unit of the third robotic arm is elevated or lowered likewise; and a loading unit on the upper plate or the targeting unit for providing anchor bolt assemblies.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: June 21, 2022
    Assignees: DAEMYOUNGGEC CO., LTD., SAMSUNG C&T CORPORATION
    Inventors: Jong Man Seo, Sung Hu Lee, Jung Hwan Ji, Young Woon Jun, Chun Won Park, Kye Young Lee, Chul Young Kim
  • Publication number: 20210205998
    Abstract: A construction robot for a ceiling is provided. The construction robot includes: a robot base having an upper plate; a targeting unit on the upper plate, wherein the targeting unit moves a robotic arm assembly combined with the targeting unit, and wherein the robotic arm assembly includes: a first robotic arm where a drill is mounted, wherein a first elevating unit of the first robotic arm is elevated or lowered according to information on the ceiling, a second robotic arm where an anchor bolt inserting equipment is mounted, wherein a second elevating unit of the second robotic arm is elevated or lowered according to the information, and a third robotic arm where an impact wrench is mounted, wherein a third elevating unit of the third robotic arm is elevated or lowered likewise; and a loading unit on the upper plate or the targeting unit for providing anchor bolt assemblies.
    Type: Application
    Filed: November 20, 2020
    Publication date: July 8, 2021
    Inventors: JONG MAN SEO, SUNG HU LEE, JUNG HWAN JI, YOUNG WOON JUN, CHUN WON PARK, KYE YOUNG LEE, CHUL YOUNG KIM
  • Patent number: 10529425
    Abstract: A semiconductor apparatus may include a unit memory region, a first column main decoder, a second column main decoder, and a control circuit. The unit memory region may include a plurality of sub-memory regions. The first and second column main decoders may be configured to receive and decode a column pre-decoding signal and configured to generate a respective column select signal for controlling a column access of a respective first and second half of the plurality of sub-memory regions. The control circuit may be configured to provide the column pre-decoding signal to the first or second column main decoders based on their proximities to a sub-memory region to be enabled among the plurality of sub-memory regions.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: January 7, 2020
    Assignee: SK hynix Inc.
    Inventors: Jung Hwan Ji, Sang Ho Lee, Ho Don Jung, Jun Hyun Chun
  • Publication number: 20190198110
    Abstract: A semiconductor apparatus may include a unit memory region, a first column main decoder, a second column main decoder, and a control circuit. The unit memory region may include a plurality of sub-memory regions. The first and second column main decoders may be configured to receive and decode a column pre-decoding signal and configured to generate a respective column select signal for controlling a column access of a respective first and second half of the plurality of sub-memory regions. The control circuit may be configured to provide the column pre-decoding signal to the first or second column main decoders based on their proximities to a sub-memory region to be enabled among the plurality of sub-memory regions.
    Type: Application
    Filed: July 20, 2018
    Publication date: June 27, 2019
    Applicant: SK hynix Inc.
    Inventors: Jung Hwan JI, Sang Ho LEE, Ho Don JUNG, Jun Hyun CHUN
  • Patent number: 9800244
    Abstract: An inverter circuit includes a pull-up control circuit and a pull-up drive circuit. The pull-up control circuit generates a drive signal which is enabled during a first time period in response to an input signal and an output signal. The pull-up drive circuit drives the output signal to a power supply voltage in response to the input signal and the drive signal. The pull-up drive unit drives the output signal with a first drivability during the first time period and drives the output signal with a second drivability during a second time period.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: October 24, 2017
    Assignee: SK hynix Inc.
    Inventors: Jung Ho Lim, Jung Hwan Ji
  • Publication number: 20170170831
    Abstract: An inverter circuit includes a pull-up control circuit and a pull-up drive circuit. The pull-up control circuit generates a drive signal which is enabled during a first time period in response to an input signal and an output signal. The pull-up drive circuit drives the output signal to a power supply voltage in response to the input signal and the drive signal. The pull-up drive unit drives the output signal with a first drivability during the first time period and drives the output signal with a second drivability during a second time period.
    Type: Application
    Filed: March 31, 2016
    Publication date: June 15, 2017
    Inventors: Jung Ho LIM, Jung Hwan JI
  • Patent number: 9564191
    Abstract: A signal compensation circuit includes a first path configured to cause a source signal to pass therethrough and be outputted as a first signal; a delay block configured to output a second signal by delaying the source signal by a predetermined time; a second path configured to cause the second signal to pass therethrough and be outputted as a third signal; and a signal combination block configured to generate a compensated signal by combining the first signal and the third signal.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: February 7, 2017
    Assignee: SK HYNIX INC.
    Inventors: Jung Hwan Ji, Ki Chon Park
  • Patent number: 9564195
    Abstract: An address comparator circuit includes a first determination unit suitable for activating a first control signal when a first address corresponding to a previous read command is identical with a second address corresponding to a current read command; a second determination unit suitable for activating a second control signal when the previous and current read commands are consecutively inputted to the address comparator circuit with an interval of a specific number of clocks or less; and a blocking signal generation unit suitable for generating a blocking signal that blocks data transmission between a memory array and an external device based on the first and the second control signals.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: February 7, 2017
    Assignee: SK Hynix Inc.
    Inventors: Jung-Hwan Ji, Ki-Chon Park
  • Publication number: 20160260470
    Abstract: A semiconductor system may include a first semiconductor configured to output a command signal and an address signal. The semiconductor system may include a second semiconductor device configured to include a first operation circuit including a first MOS transistor and a second operation circuit including a second MOS transistor. The first MOS transistor and the second MOS transistor may be turned on in response to a first internal command signal when a first operation is executed according to the command signal. The first MOS transistor may be turned on in response to a period signal generated from the address signal when a second operation is executed according to the command signal.
    Type: Application
    Filed: May 20, 2015
    Publication date: September 8, 2016
    Inventors: Jung Hwan JI, Geun Il LEE
  • Publication number: 20160163368
    Abstract: An address comparator circuit includes a first determination unit suitable for activating a first control signal when a first address corresponding to a previous read command is identical with a second address corresponding to a current read command; a second determination unit suitable for activating a second control signal when the previous and current read commands are consecutively inputted to the address comparator circuit with an interval of a specific number of clocks or less; and a blocking signal generation unit suitable for generating a blocking signal that blocks data transmission between a memory array and an external device based on the first and the second control signals.
    Type: Application
    Filed: April 7, 2015
    Publication date: June 9, 2016
    Inventors: Jung-Hwan JI, Ki-Chon PARK
  • Patent number: 9275722
    Abstract: A memory device include a memory array, a transmitter suitable for outputting data to the outside of the memory device, and a data bus suitable for transmitting data of a selected memory cell in the memory array to the transmitter during a read operation. When successive read commands for the same memory cell are applied, data transmission from the memory array to the data bus is blocked, and data previously loaded in the data bus is outputted through the transmitter.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: March 1, 2016
    Assignee: SK Hynix Inc.
    Inventors: Jung-Hwan Ji, Ki-Chon Park, Jin-Youp Cha, Jin-Hee Cho
  • Patent number: 9081515
    Abstract: A clock generation circuit includes a counting code generation unit configured to generate counting codes corresponding to a frequency of an input clock when an enable signal is enabled; a control code generation unit configured to decode the counting codes and generate control codes; and a cycle changeable oscillation unit configured to determine a frequency of an output clock in response to the control codes.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: July 14, 2015
    Assignee: SK Hynix Inc.
    Inventors: Jung Hwan Ji, Geun Il Lee