Patents by Inventor Seok Cheol Yoon

Seok Cheol Yoon 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: 11961457
    Abstract: A display device, includes: a display panel including a pixel electrically coupled to a gate line and a data line; a gate driver configured to provide a gate signal to the gate line; and a data driver configured to provide a data signal to the data line, wherein the gate driver is configured to sequentially provide a first gate signal and a second gate signal to the gate line during a first frame period, wherein the data driver is configured to provide a first data signal to the data line in response to the first gate signal, and to provide a second data signal to the data line in response to the second gate signal, and wherein the second data signal is different from the first data signal and varies dependent on the first data signal.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hyun Koh, Sung Hoon Bang, Eui Myeong Cho, Ho Cheol Kang, Seok Young Yoon
  • Patent number: 10998033
    Abstract: A semiconductor memory device includes: a plurality of banks each including a plurality of cell mats and a plurality of sense amplifiers shared by adjacent cell mats; and a bank control circuit suitable for activating a normal word line of a particular cell mat of a bank selected according to a refresh command including bank information, and activating a target word line of a cell mat that does not share a sense amplifier with the particular cell mat according to a target refresh command after a preset delay time.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: May 4, 2021
    Assignee: SK hynix Inc.
    Inventors: Tae-Sik Yun, Dae-Suk Kim, Seok-Cheol Yoon, No-Guen Joo
  • Patent number: 10734058
    Abstract: A memory device includes an error correction code (ECC) block suitable for performing an ECC operation, and generating a flag signal when an error is detected and corrected through the ECC operation in data read from a memory cell array, and a refresh control block suitable for comparing an active row address with a target address in response to the flag signal, and refreshing data of a neighboring address of the target address based on a comparison result.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: August 4, 2020
    Assignee: SK hynix Inc.
    Inventors: Seok-Bo Shim, Sang-Ho Lee, Seok-Cheol Yoon, Yun-Young Lee
  • Publication number: 20200185026
    Abstract: A semiconductor memory device includes: a plurality of banks each including a plurality of cell mats and a plurality of sense amplifiers shared by adjacent cell mats; and a bank control circuit suitable for activating a normal word line of a particular cell mat of a bank selected according to a refresh command including bank information, and activating a target word line of a cell mat that does not share a sense amplifier with the particular cell mat according to a target refresh command after a preset delay time.
    Type: Application
    Filed: November 13, 2019
    Publication date: June 11, 2020
    Inventors: Tae-Sik YUN, Dae-Suk KIM, Seok-Cheol YOON, No-Guen JOO
  • Publication number: 20190221248
    Abstract: A memory device includes an error correction code (ECC) block suitable for performing an ECC operation, and generating a flag signal when an error is detected and corrected through the ECC operation in data read from a memory cell array, and a refresh control block suitable for comparing an active row address with a target address in response to the flag signal, and refreshing data of a neighboring address of the target address based on a comparison result.
    Type: Application
    Filed: July 26, 2018
    Publication date: July 18, 2019
    Inventors: Seok-Bo SHIM, Sang-Ho LEE, Seok-Cheol YOON, Yun-Young LEE
  • Patent number: 9922959
    Abstract: A semiconductor device includes a package substrate having a plurality of external connection terminals disposed on a first surface thereof and a plurality of internal connection terminals disposed on a second surface thereof and electrically connected with corresponding one of the external connection terminals, a first semiconductor chip stacked over the second surface of the package substrate and having a first flag pad for providing first information and a first internal circuit for adjusting a parameter by a first correction value in response to the first information provided from the first flag pad, and a second semiconductor chip stacked over the first semiconductor chip and having a second flag pad for providing second information and a second internal circuit for adjusting the parameter by a second correction value in response to the second information provided from the second flag pad.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: March 20, 2018
    Assignee: SK Hynix Inc.
    Inventors: Seok-Bo Shim, Seok-Cheol Yoon
  • Patent number: 9734888
    Abstract: A memory including a plurality of word lines to which one or more memory cells are coupled, an address storage unit suitable for storing an input address corresponding to a first external signal that is inputted at a random time, and a control unit suitable for activating a word line corresponding to the input address of the plurality of word lines in response to an active command and refreshing one or more target word lines selected using an address stored in the address storage unit when performing a refresh operation.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: August 15, 2017
    Assignee: SK Hynix Inc.
    Inventors: Seok-Cheol Yoon, Bo-Yeun Kim, Jae-Il Kim, Kyoung-Chul Jang
  • Patent number: 9653133
    Abstract: A semiconductor system may include a command processor configured to decode a command to generate an active pulse and a delayed active pulse, and a bank active signal generation circuit configured to generate a bank active signal for performing an active operation for a bank accessed by an address. The bank active signal may be disabled in synchronization with the active pulse and is enabled in synchronization with the delayed active pulse.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: May 16, 2017
    Assignee: SK hynix Inc.
    Inventors: Chul Moon Jung, Mun Phil Park, Seok Cheol Yoon, Jeong Tae Hwang
  • Publication number: 20170084321
    Abstract: A semiconductor system may include a command processor configured to decode a command to generate an active pulse and a delayed active pulse, and a bank active signal generation circuit configured to generate a bank active signal for performing an active operation for a bank accessed by an address. The bank active signal may be disabled in synchronization with the active pulse and is enabled in synchronization with the delayed active pulse.
    Type: Application
    Filed: November 25, 2015
    Publication date: March 23, 2017
    Inventors: Chul Moon JUNG, Mun Phil PARK, Seok Cheol YOON, Jeong Tae HWANG
  • Patent number: 9514798
    Abstract: A memory including a plurality of word lines to which one or more memory cells are coupled, an address storage unit suitable for storing an input address corresponding to a first external signal that is inputted at a random time, and a control unit suitable for activating a word line corresponding to the input address of the plurality of word lines in response to an active command and refreshing one or more target word lines selected using an address stored in the address storage unit when performing a refresh operation.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: December 6, 2016
    Assignee: SK Hynix Inc.
    Inventors: Choung Ki Song, Ji Eun Jang, Seok Cheol Yoon
  • Publication number: 20160300818
    Abstract: A semiconductor device includes a package substrate having a plurality of external connection terminals disposed on a first surface thereof and a plurality of internal connection terminals disposed on a second surface thereof and electrically connected with corresponding one of the external connection terminals, a first semiconductor chip stacked over the second surface of the package substrate and having a first flag pad for providing first information and a first internal circuit for adjusting a parameter by a first correction value in response to the first information provided from the first flag pad, and a second semiconductor chip stacked over the first semiconductor chip and having a second flag pad for providing second information and a second internal circuit for adjusting the parameter by a second correction value in response to the second information provided from the second flag pad.
    Type: Application
    Filed: June 17, 2016
    Publication date: October 13, 2016
    Inventors: Seok-Bo SHIM, Seok-Cheol YOON
  • Patent number: 9412427
    Abstract: A semiconductor apparatus includes a memory region configured to store data transmitted through a first data line and a second data line; and a precharge block configured to precharge the second data line to a level of a first voltage and precharge the first data line to a level of a second voltage higher than the level of the first voltage, based on a write signal.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: August 9, 2016
    Assignee: SK hynix Inc.
    Inventors: Jin Youp Cha, Seok Cheol Yoon, Cheol Hoe Kim
  • Patent number: 9397672
    Abstract: A semiconductor device includes a package substrate having a plurality of external connection terminals disposed on a first surface thereof and a plurality of internal connection terminals disposed on a second surface thereof and electrically connected with corresponding one of the external connection terminals, a first semiconductor chip stacked over the second surface of the package substrate and having a first flag pad for providing first information and a first internal circuit for adjusting a parameter by a first correction value in response to the first information provided from the first flag pad, and a second semiconductor chip stacked over the first semiconductor chip and having a second flag pad for providing second information and a second internal circuit for adjusting the parameter by a second correction value in response to the second information provided from the second flag pad.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: July 19, 2016
    Assignee: SK Hynix Inc.
    Inventors: Seok-Bo Shim, Seok-Cheol Yoon
  • Patent number: 9396786
    Abstract: A memory includes a plurality of word lines each coupled to one or more memory cells, an address storage unit suitable for storing an address of a word line selected for access by a control unit among the plurality of word lines at a first time point; and the control unit suitable for sequentially refreshing the plurality of word lines in response to application of a refresh command, refreshing one or more adjacent word lines adjacent to a word line corresponding to the address stored in the address storage unit in response to every Nth application of the refresh command where N is a natural number and selecting one or more of the plurality of word lines for access, wherein the first time point is included in time section other than a refresh section in which the control unit refreshes one or more word lines in response to application of the refresh command.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: July 19, 2016
    Assignee: SK Hynix Inc.
    Inventors: Seok-Cheol Yoon, Bo-Yeun Kim, Jae-Boum Park
  • Publication number: 20150364164
    Abstract: A semiconductor apparatus includes a memory region configured to store data transmitted through a first data line and a second data line; and a precharge block configured to precharge the second data line to a level of a first voltage and precharge the first data line to a level of a second voltage higher than the level of the first voltage, based on a write signal.
    Type: Application
    Filed: September 17, 2014
    Publication date: December 17, 2015
    Inventors: Jin Youp CHA, Seok Cheol YOON, Cheol Hoe KIM
  • Patent number: 9190137
    Abstract: A memory may include a plurality of word lines coupled to one or more memory cells; a target address generation unit suitable for generating one or more target addresses using a stored address; and a control unit suitable for sequentially refreshing the plurality of word lines in response to a refresh command which is periodically inputted, and refreshing a word line corresponding to the target address in response to the refresh command at a random time.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: November 17, 2015
    Assignee: SK Hynix Inc.
    Inventors: Bo-Yeun Kim, Seok-Cheol Yoon, Ji-Eun Jang
  • Publication number: 20150162071
    Abstract: A memory including a plurality of word lines to which one or more memory cells are coupled, an address storage unit suitable for storing an input address corresponding to a first external signal that is inputted at a random time, and a control unit suitable for activating a word line corresponding to the input address of the plurality of word lines in response to an active command and refreshing one or more target word lines selected using an address stored in the address storage unit when performing a refresh operation.
    Type: Application
    Filed: February 6, 2015
    Publication date: June 11, 2015
    Inventors: Seok-Cheol YOON, Bo-Yeun KIM, Jae-Il KIM, Kyoung-Chul JANG
  • Publication number: 20150162066
    Abstract: A memory including a plurality of word lines to which one or more memory cells are coupled, an address storage unit suitable for storing an input address corresponding to a first external signal that is inputted at a random time, and a control unit suitable for activating a word line corresponding to the input address of the plurality of word lines in response to an active command and refreshing one or more target word lines selected using an address stored in the address storage unit when performing a refresh operation.
    Type: Application
    Filed: June 5, 2014
    Publication date: June 11, 2015
    Inventors: Choung Ki SONG, Ji Eun JANG, Seok Cheol YOON
  • Publication number: 20150162067
    Abstract: A memory may include a plurality of word lines coupled to one or more memory cells; a target address generation unit suitable for generating one or more target addresses using a stored address; and a control unit suitable for sequentially refreshing the plurality of word lines in response to a refresh command which is periodically inputted, and refreshing a word line corresponding to the target address in response to the refresh command at a random time.
    Type: Application
    Filed: June 6, 2014
    Publication date: June 11, 2015
    Inventors: Bo-Yeun KIM, Seok-Cheol YOON, Ji-Eun JANG
  • Publication number: 20150085563
    Abstract: A memory includes a plurality of word lines each coupled to one or more memory cells, an address storage unit suitable for storing an address of a word line selected for access by a control unit among the plurality of word lines at a first time point; and the control unit suitable for sequentially refreshing the plurality of word lines in response to application of a refresh command, refreshing one or more adjacent word lines adjacent to a word line corresponding to the address stored in the address storage unit in response to every Nth application of the refresh command where N is a natural number and selecting one or more of the plurality of word lines for access, wherein the first time point is included in time section other than a refresh section in which the control unit refreshes one or more word lines in response to application of the refresh command.
    Type: Application
    Filed: December 19, 2013
    Publication date: March 26, 2015
    Applicant: SK hynix Inc.
    Inventor: Seok-Cheol YOON