Patents by Inventor Hoonki KIM

Hoonki 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: 11514973
    Abstract: A memory device is provided. The memory device includes a cell array having memory cells; n word lines sequentially arranged and including a first word line, an n-th word line, and word lines interposed between the first word line and the n-th word line; bit lines; a first power node located adjacent to the first word line; a second power node located adjacent to the n-th word line; a first switch connected between the first power node and the cell array; a write driver located adjacent to the n-th word line and connected to the bit lines; and a switch controller configured to control the first switch to isolate the first power node from the memory cells during a write operation on memory cells connected to the first word line.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woojin Rim, Yongho Kim, Hoonki Kim
  • Publication number: 20210264965
    Abstract: A memory device is provided. The memory device includes a cell array having memory cells; n word lines sequentially arranged and including a first word line, an n-th word line, and word lines interposed between the first word line and the n-th word line; bit lines; a first power node located adjacent to the first word line; a second power node located adjacent to the n-th word line; a first switch connected between the first power node and the cell array; a write driver located adjacent to the n-th word line and connected to the bit lines; and a switch controller configured to control the first switch to isolate the first power node from the memory cells during a write operation on memory cells connected to the first word line.
    Type: Application
    Filed: August 26, 2020
    Publication date: August 26, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woojin RIM, Yongho KIM, Hoonki KIM
  • Patent number: 10134486
    Abstract: A memory device includes a memory cell array including a plurality of memory cells arranged in a plurality of columns including a normal column and a redundancy column for repairing the normal column, a plurality of peripheral logic circuits including a normal peripheral logic circuit and a redundancy peripheral logic circuit for repairing the normal peripheral logic circuit, and a first path selection logic circuit configured to form first paths between the plurality of columns and the plurality of peripheral logic circuits, based on at least one defect from among a defect in at least one of the plurality of columns or a defect in at least one of the plurality of peripheral logic circuits.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: November 20, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hoonki Kim, Yongho Kim, Changnam Park, Taejoong Song, Woojin Rim, Jonghoon Jung
  • Patent number: 10049728
    Abstract: A semiconductor memory device including: a first transistor connected between a first node and ground, the first transistor having a gate connected to a second node; a second transistor connected between the second node and ground, the second transistor having a gate connected to the first node; a third transistor connected between first and third nodes, the third transistor having a gate connected to the second node; a fourth transistor connected between second and fourth nodes, the fourth transistor having a gate connected to the first node; a fifth transistor connected between the first node and bit line, the fifth transistor having a gate connected to a word line; a sixth transistor connected between the second node and complementary bit line, the sixth transistor having a gate connected to the word line; and a circuit to reduce a gate-source voltage of the third or fourth transistor in a write operation.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: August 14, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hoonki Kim, Jonghoon Jung, Yongho Kim
  • Publication number: 20180075929
    Abstract: A memory device includes a memory cell array including a plurality of memory cells arranged in a plurality of columns including a normal column and a redundancy column for repairing the normal column, a plurality of peripheral logic circuits including a normal peripheral logic circuit and a redundancy peripheral logic circuit for repairing the normal peripheral logic circuit, and a first path selection logic circuit configured to form first paths between the plurality of columns and the plurality of peripheral logic circuits, based on at least one defect from among a defect in at least one of the plurality of columns or a defect in at least one of the plurality of peripheral logic circuits.
    Type: Application
    Filed: September 8, 2017
    Publication date: March 15, 2018
    Inventors: HOONKI KIM, Yongho Kim, Changnam Park, Taejoong Song, Woojin Rim, Jonghoom Jung
  • Publication number: 20180068715
    Abstract: A semiconductor memory device including: a first transistor connected between a first node and ground, the first transistor having a gate connected to a second node; a second transistor connected between the second node and ground, the second transistor having a gate connected to the first node; a third transistor connected between first and third nodes, the third transistor having a gate connected to the second node; a fourth transistor connected between second and fourth nodes, the fourth transistor having a gate connected to the first node; a fifth transistor connected between the first node and bit line, the fifth transistor having a gate connected to a word line; a sixth transistor connected between the second node and complementary bit line, the sixth transistor having a gate connected to the word line; and a circuit to reduce a gate-source voltage of the third or fourth transistor in a write operation.
    Type: Application
    Filed: June 1, 2017
    Publication date: March 8, 2018
    Inventors: HOONKI KIM, JONGHOON JUNG, YONGHO KIM
  • Patent number: 9344708
    Abstract: A non-glasses type stereoscopic image display device comprises: a display panel that comprises a plurality of sub-pixels and displays multi-view images in predetermined units; and an optical plate array that is formed side by side with the sub-pixels and divides the multi-view images into a plurality of multi-view areas, each of the sub-pixels comprising a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel, which alternate in the same row along a horizontal direction in which gate lines extend and are formed side by side along a vertical direction in which data lines extend in different columns, wherein vertically neighboring sub-pixels displaying different colors partially overlap each other in the vertical direction.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: May 17, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Kwangjo Hwang, Euitae Kim, Hoonki Kim, Youyong Jin
  • Patent number: 9131228
    Abstract: An autostereoscopic display and a control method thereof are disclosed. The autostereoscopic display includes a display panel displaying 3D image data, a backlight unit providing light to the display panel, a backlight driver which sequentially drives light sources of the backlight unit along a scanning direction of the 3D image data written to the display panel, a switchable 3D element which forms a barrier or a lens for separating optical axes of left eye image data and right eye image data from the 3D image data, and a 3D element driver which electrically controls the switchable 3D element and shifts the barrier or the lens formed in the switchable 3D element.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: September 8, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Cheunghwan An, Hoonki Kim, Bogyun Chung
  • Publication number: 20140285642
    Abstract: A non-glasses type stereoscopic image display device comprises: a display panel that comprises a plurality of sub-pixels and displays multi-view images in predetermined units; and an optical plate array that is formed side by side with the sub-pixels and divides the multi-view images into a plurality of multi-view areas, each of the sub-pixels comprising a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel, which alternate in the same row along a horizontal direction in which gate lines extend and are formed side by side along a vertical direction in which data lines extend in different columns, wherein vertically neighboring sub-pixels displaying different colors partially overlap each other in the vertical direction.
    Type: Application
    Filed: December 10, 2013
    Publication date: September 25, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Kwangjo HWANG, Euitae KIM, Hoonki KIM, Youyong JIN
  • Publication number: 20140078194
    Abstract: An autostereoscopic display and a control method thereof are disclosed. The autostereoscopic display includes a display panel displaying 3D image data, a backlight unit providing light to the display panel, a backlight driver which sequentially drives light sources of the backlight unit along a scanning direction of the 3D image data written to the display panel, a switchable 3D element which forms a barrier or a lens for separating optical axes of left eye image data and right eye image data from the 3D image data, and a 3D element driver which electrically controls the switchable 3D element and shifts the barrier or the lens formed in the switchable 3D element.
    Type: Application
    Filed: December 26, 2012
    Publication date: March 20, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Cheunghwan AN, Hoonki KIM, Bogyun CHUNG