Patents by Inventor Sung Ho Ahn

Sung Ho Ahn 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: 11977771
    Abstract: A memory device includes: a plurality of memory cells; soft read logic configured to generate soft data by reading data from the plurality of memory cells in response to a soft read command from a controller, the soft data including at least a major symbol and at least a minor symbol; a compressor configured to generate compressed data by: encoding, into a code alphabet having a second length, a major source alphabet including repetitions of the major symbol by a first length among a plurality of source alphabets included in the soft data, and encoding, into a code alphabet having a longer length than the second length, a minor source alphabet including repetitions of the major symbol by a shorter length than the first length and ending with one minor symbol; and an interface configured to provide the compressed data to the controller.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: May 7, 2024
    Assignee: SK hynix Inc.
    Inventors: Dae Sung Kim, Sung Ho Ahn, Sin Ho Yang, Jae Hyeong Jeong
  • Patent number: 11914424
    Abstract: An example display device includes a display element having at least one portion which can be changed into a curved shape; and a flexible window member stacked onto the display element, wherein the thickness of a portion of the window member is less than that of the other portions.
    Type: Grant
    Filed: January 1, 2023
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Ho Ahn, Sung-Gwan Woo, Ki-Ju Kwak
  • Patent number: 11880601
    Abstract: A storage device having improved performance includes: a plurality of memory devices, each memory device including a plurality of memory blocks, the plurality of memory devices coupled to a channel; and a memory controller coupled to the channel to be in communication with the plurality of memory devices to provide a read command for instructing a read operation on the plurality of memory blocks to read out data and provide a read enable signal to the memory devices during at least part of an idle time of the channel, which occurs while the read operation is being performed. The plurality of memory devices output first data to the memory controller through the channel in response to the read enable signal, wherein the first data is different from the data previously read out by the read operation that provides the read enable signal in response to the read command.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: January 23, 2024
    Assignee: SK HYNIX INC.
    Inventors: Jae Hyeong Jeong, Dae Sung Kim, Sung Ho Ahn
  • Patent number: 11880599
    Abstract: A memory system includes a memory device and a memory controller. The memory controller transmits a data read command to the memory device, inputs N read enable toggle signals to the memory device in order for the memory device to output the data requested by the data read command requests, and inputs an additional read enable toggle signal to the memory device. The memory device outputs status information of the memory device to the memory controller in response to the additional read enable toggle signal.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: January 23, 2024
    Assignee: SK hynix Inc.
    Inventors: Jae Hyeong Jeong, Dae Sung Kim, Sung Ho Ahn
  • Publication number: 20230386561
    Abstract: A semiconductor memory device includes a memory cell array, a peripheral circuit, and a control logic. The memory cell array includes a plurality of memory cells. The peripheral circuit performs a read operation on selected memory cells, among the plurality of memory cells. The control logic controls the read operation of the peripheral circuit in response to a read command that is received from an external device and determines whether to perform a discharge operation of word lines that are connected to the plurality of memory cells based on a type of the read command.
    Type: Application
    Filed: October 10, 2022
    Publication date: November 30, 2023
    Applicant: SK hynix Inc.
    Inventor: Sung Ho AHN
  • Publication number: 20230140335
    Abstract: An example display device includes a display element having at least one portion which can be changed into a curved shape; and a flexible window member stacked onto the display element, wherein the thickness of a portion of the window member is less than that of the other portions.
    Type: Application
    Filed: January 1, 2023
    Publication date: May 4, 2023
    Inventors: Sung-Ho AHN, Sung-Gwan WOO, Ki-Ju KWAK
  • Patent number: 11567703
    Abstract: Provided herein is a memory device and a storage device including the same. The memory device includes an input/output circuit configured to receive a command, an address, and data from a memory controller. The memory device also includes control logic configured to control a peripheral circuit of the memory device so that an operation of storing the data in a memory cell of the memory device is performed based on the command and the address received from the input/output circuit. The input/output circuit includes a queue layer configured to temporarily store the command and the address and to output the command and the address to the control logic based on at least one of a rising edge and a falling edge of a write enable signal received by the memory device from the memory controller.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: January 31, 2023
    Assignee: SK hynix Inc.
    Inventor: Sung Ho Ahn
  • Patent number: 11567539
    Abstract: An example display device includes a display element having at least one portion which can be changed into a curved shape; and a flexible window member stacked onto the display element, wherein the thickness of a portion of the window member is less than that of the other portions.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Ho Ahn, Sung-Gwan Woo, Ki-Ju Kwak
  • Publication number: 20220374171
    Abstract: A storage device having improved performance includes: a plurality of memory devices, each memory device including a plurality of memory blocks, the plurality of memory devices coupled to a channel; and a memory controller coupled to the channel to be in communication with the plurality of memory devices to provide a read command for instructing a read operation on the plurality of memory blocks to read out data and provide a read enable signal to the memory devices during at least part of an idle time of the channel, which occurs while the read operation is being performed. The plurality of memory devices output first data to the memory controller through the channel in response to the read enable signal, wherein the first data is different from the data previously read out by the read operation that provides the read enable signal in response to the read command.
    Type: Application
    Filed: October 28, 2021
    Publication date: November 24, 2022
    Inventors: Jae Hyeong JEONG, Dae Sung KIM, Sung Ho AHN
  • Publication number: 20220334767
    Abstract: A memory system includes a memory device and a memory controller. The memory controller transmits a data read command to the memory device, inputs N read enable toggle signals to the memory device in order for the memory device to output the data requested by the data read command requests, and inputs an additional read enable toggle signal to the memory device. The memory device outputs status information of the memory device to the memory controller in response to the additional read enable toggle signal.
    Type: Application
    Filed: August 25, 2021
    Publication date: October 20, 2022
    Inventors: Jae Hyeong JEONG, Dae Sung KIM, Sung Ho AHN
  • Publication number: 20220291867
    Abstract: Provided herein is a memory device and a storage device including the same. The memory device includes an input/output circuit configured to receive a command, an address, and data from a memory controller. The memory device also includes control logic configured to control a peripheral circuit of the memory device so that an operation of storing the data in a memory cell of the memory device is performed based on the command and the address received from the input/output circuit. The input/output circuit includes a queue layer configured to temporarily store the command and the address and to output the command and the address to the control logic based on at least one of a rising edge and a falling edge of a write enable signal received by the memory device from the memory controller.
    Type: Application
    Filed: August 26, 2021
    Publication date: September 15, 2022
    Applicant: SK hynix Inc.
    Inventor: Sung Ho AHN
  • Publication number: 20220164143
    Abstract: A memory device includes: a plurality of memory cells; soft read logic configured to generate soft data by reading data from the plurality of memory cells in response to a soft read command from a controller, the soft data including at least a major symbol and at least a minor symbol; a compressor configured to generate compressed data by: encoding, into a code alphabet having a second length, a major source alphabet including repetitions of the major symbol by a first length among a plurality of source alphabets included in the soft data, and encoding, into a code alphabet having a longer length than the second length, a minor source alphabet including repetitions of the major symbol by a shorter length than the first length and ending with one minor symbol; and an interface configured to provide the compressed data to the controller.
    Type: Application
    Filed: May 19, 2021
    Publication date: May 26, 2022
    Inventors: Dae Sung KIM, Sung Ho AHN, Sin Ho YANG, Jae Hyeong JEONG
  • Patent number: 11132148
    Abstract: Provided herein is a semiconductor memory device including a memory cell array, a peripheral circuit, an operation information storage, and control logic. The memory cell array may include a plurality of memory cells. The peripheral circuit may perform a read operation for setup information stored in the memory cell array. The operation information storage may store the setup information. The control logic may control a read operation of the peripheral circuit and a storage operation of the operation information storage. The control logic may control the peripheral circuit and the operation information storage such that a storage section in which the operation information storage stores first setup information and a read section in which the peripheral circuit reads second setup information from the memory cell array are at least partially overlapped with each other.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: September 28, 2021
    Assignee: SK hynix Inc.
    Inventor: Sung Ho Ahn
  • Publication number: 20210124401
    Abstract: An example display device includes a display element having at least one portion which can be changed into a curved shape; and a flexible window member stacked onto the display element, wherein the thickness of a portion of the window member is less than that of the other portions.
    Type: Application
    Filed: January 4, 2021
    Publication date: April 29, 2021
    Inventors: Sung-Ho AHN, Sung-Gwan WOO, Ki-Ju KWAK
  • Patent number: 10908647
    Abstract: An example display device includes a display element having at least one portion which can be changed into a curved shape; and a flexible window member stacked onto the display element, wherein the thickness of a portion of the window member is less than that of the other portions.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Ho Ahn, Sung-Gwan Woo, Ki-Ju Kwak
  • Patent number: 10910601
    Abstract: Disclosed in various examples of the present invention are a display device and an electronic device having the same, the display device comprising: a display element; and a guide unit arranged on the display element, wherein the guide unit guides a propagation pathway of the light emitted from the display element. The display device and the electronic device having the same can provide a comfortable viewing environment by using the guide unit so as to guide the propagation pathway of the light emitted from the display element. The display device and the electronic device having the same can be variously implemented according to the examples.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: February 2, 2021
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Sung-Ho Ahn, Hak-Yeol Kim, Sung-Gwan Woo, Song-Hee Jung, Dong-Sub Kim, Byeong-Cheol Kim
  • Publication number: 20200363992
    Abstract: Provided herein is a semiconductor memory device including a memory cell array, a peripheral circuit, an operation information storage, and control logic. The memory cell array may include a plurality of memory cells. The peripheral circuit may perform a read operation for setup information stored in the memory cell array. The operation information storage may store the setup information. The control logic may control a read operation of the peripheral circuit and a storage operation of the operation information storage. The control logic may control the peripheral circuit and the operation information storage such that a storage section in which the operation information storage stores first setup information and a read section in which the peripheral circuit reads second setup information from the memory cell array are at least partially overlapped with each other.
    Type: Application
    Filed: December 23, 2019
    Publication date: November 19, 2020
    Applicant: SK hynix Inc.
    Inventor: Sung Ho AHN
  • Publication number: 20200133345
    Abstract: An example display device includes a display element having at least one portion which can be changed into a curved shape; and a flexible window member stacked onto the display element, wherein the thickness of a portion of the window member is less than that of the other portions.
    Type: Application
    Filed: December 24, 2019
    Publication date: April 30, 2020
    Inventors: Sung-Ho AHN, Sung-Gwan WOO, Ki-Ju KWAK
  • Patent number: 10545537
    Abstract: Disclosed in various embodiments of the present invention are a display device and an electronic device having same, the display device comprising: a display element having at least one portion which can be changed into a curved shape; and a flexible window member stacked onto the display element, wherein the thickness of a portion of the window member is less than that of the other portions. The display device and the electronic device having same may vary according to embodiments.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: January 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Ho Ahn, Sung-Gwan Woo, Ki-Ju Kwak
  • Patent number: 10437284
    Abstract: An electronic device is provided. The electronic device may include a display module, a bracket disposed on a rear surface of the display module, and a first adhesive member which fixes at least a portion of the display module to the bracket, between the display module and the bracket. The first adhesive member may have adhesive force which is reduced to a specified value or less by at least one of force, light, and/or heat applied from outside.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: October 8, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki Ju Kwak, Sung Gwan Woo, Sung Ho Ahn, Hun Jo Jung, Soon Ik Park