Patents by Inventor Jee Eun Lee

Jee Eun Lee 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: 8089812
    Abstract: A semiconductor memory device can reduce a circuit area necessary for row repair. The semiconductor memory device includes a plurality of memory banks, a plurality of cell arrays arranged in each of the memory banks, a plurality of array word lines arranged in each of the cell arrays, one or more repair word lines arranged in each of the cell arrays, and a plurality of repair information storages configured to store bank information and row addresses of the array word lines to be replaced with the repair word lines.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: January 3, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventors: Dong-Keun Kim, Jee-Eun Lee
  • Patent number: 7929364
    Abstract: Disclosed is a semiconductor memory apparatus capable of improving precharge performance. The semiconductor memory apparatus includes a plurality of memory banks, data input/output lines commonly connected to the memory banks, and a plurality of precharge circuit units connected to the data input/output lines and aligned in an extension direction of the data input/output lines while being spaced apart from each other by a predetermined distance.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: April 19, 2011
    Assignee: Hynix Semiconductor Inc.
    Inventors: Jee Eun Lee, Mun Phil Park
  • Publication number: 20100284233
    Abstract: A semiconductor memory device can reduce a circuit area necessary for row repair. The semiconductor memory device includes a plurality of memory banks, a plurality of cell arrays arranged in each of the memory banks, a plurality of array word lines arranged in each of the cell arrays, one or more repair word lines arranged in each of the cell arrays, and a plurality of repair information storages configured to store bank information and row addresses of the array word lines to be replaced with the repair word lines.
    Type: Application
    Filed: December 31, 2007
    Publication date: November 11, 2010
    Applicant: Hynix Semiconductor Inc.
    Inventors: Dong-Keun Kim, Jee-Eun Lee
  • Patent number: 7804725
    Abstract: A write driving circuit includes a plurality of driving units that write data corresponding to detection signals on memory banks, and at least one detecting unit that detects data input from the outside, and outputs the detection signals to two or more driving units among the plurality of driving units.
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: September 28, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Jee Eun Lee, Mun Phil Park
  • Publication number: 20090303825
    Abstract: A semiconductor memory device includes a first plurality of banks arranged in a first direction to form a first group of banks; a second plurality of banks arranged in the first direction to form a second group of banks, the first group of banks and the second group of banks arranged in a second direction; a first local data line arranged in the second direction to cross a bank of the second plurality of banks and to transfer input/output data; a second local data line arranged in the second direction to transfer input/output data; a global data line disposed in the first direction that crosses the second direction; and a data exchanger disposed between the second plurality of banks and the global data line for configured to controlling data exchange between the first and second local data lines and the global data line.
    Type: Application
    Filed: December 31, 2008
    Publication date: December 10, 2009
    Applicant: HYNIX SEMICONDUCTOR, INC.
    Inventors: Dong-Keun KIM, Jee-Eun Lee
  • Publication number: 20080253210
    Abstract: Disclosed is a semiconductor memory apparatus capable of improving precharge performance. The semiconductor memory apparatus includes a plurality of memory banks, data input/output lines commonly connected to the memory banks, and a plurality of precharge circuit units connected to the data input/output lines and aligned in an extension direction of the data input/output lines while being spaced apart from each other by a predetermined distance.
    Type: Application
    Filed: December 27, 2007
    Publication date: October 16, 2008
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventors: Jee Eun Lee, Mun Phil Park
  • Publication number: 20080212394
    Abstract: A write driving circuit includes a plurality of driving units that write data corresponding to detection signals on memory banks, and at least one detecting unit that detects data input from the outside, and outputs the detection signals to two or more driving units among the plurality of driving units.
    Type: Application
    Filed: December 28, 2007
    Publication date: September 4, 2008
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventors: Jee Eun Lee, Mun Phil Park
  • Publication number: 20070069789
    Abstract: A flip-flop circuit includes a first inverter for inverting a signal of a first node and transferring an inverted signal to a second node, and a second inverter for feeding back a signal of the second node and transferring a feedback signal to the first node. The second inverter includes: a first PMOS transistor and a first NMOS transistor, each gate of which receives the signal of the second node; a second PMOS transistor connected to the first PMOS transistor and having a gate receiving a first voltage, the second PMOS transistor being longer than the first PMOS transistor; and a second NMOS transistor connected to the first NMOS transistor and having a gate receiving a second voltage, the second NMOS transistor being longer than the first NMOS transistor.
    Type: Application
    Filed: September 27, 2006
    Publication date: March 29, 2007
    Inventors: Chang-Ho Do, Jee-Eun Lee