Patents by Inventor Jung-Hwan Choi

Jung-Hwan Choi 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).

  • Semiconductor device and semiconductor package including the same
    Patent number: 10403572
    Abstract: A semiconductor device includes a substrate having a cell region and a circuit region, an upper wiring layer on the substrate, and a redistribution wiring layer on the upper wiring layer. The upper wiring layer includes a secondary uppermost wiring in the circuit region and an uppermost wiring on the secondary uppermost wiring. The uppermost wiring includes an uppermost chip pad electrically connected to the secondary uppermost wiring. At least a portion of the uppermost chip pad in the cell region. The redistribution wiring layer includes a redistribution wiring electrically connected to the uppermost chip pad. At least a portion of the redistribution wiring serving as a landing pad connected to an external connector.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: September 3, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Chul Cho, Min-Su Ahn, Jung-Hwan Choi
  • Display device
    Patent number: 10380971
    Abstract: Disclosed is a display device. The display device may use one transmission line to perform bidirectional data transmission between a timing controller and a source driver. Furthermore, the display device may control the timing controller to transmit a Tx signal to the source driver and control the source driver to transmit correction data, through one transmission line.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: August 13, 2019
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Kwang Il Oh, Jung Hwan Choi, Yun Tack Han, Hyun Kyu Jeon
  • MEMORY DEVICE ADJUSTING DUTY CYCLE AND MEMORY SYSTEM HAVING THE SAME
    Publication number: 20190237127
    Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.
    Type: Application
    Filed: December 21, 2018
    Publication date: August 1, 2019
    Inventors: DAE-SIK MOON, Gil-Hoon Cha, Ki-Seok Oh, Chang-Kyo Lee, Yeon-Kyu Choi, Jung-Hwan Choi, Kyung-Soo Ha, Seok-Hun Hyun
  • MEMORY DEVICES AND MEMORY PACKAGES
    Publication number: 20190228832
    Abstract: A memory device includes a plurality of receivers that each include a first input terminal coupled to one pin of a plurality of input/output pins. The memory devices further includes a transmitter having an output terminal coupled to the first input terminals of the plurality of receivers. The memory device further includes a control circuit configured to control the transmitter to output a particular test signal. The plurality of receivers are each configured to generate output data based on receiving the particular test signal from the transmitter. The control circuit is further configured to adjust the plurality of receivers based on the output data generated by the plurality of receivers and received at the control circuit from the plurality of receivers.
    Type: Application
    Filed: July 9, 2018
    Publication date: July 25, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin Seok HEO, Jung Hwan CHOI, Wang Soo KIM, Yoo Chang SUNG, Jun Ha LEE, Ju Ho JEON
  • SEMICONDUCTOR PACKAGE AND MANUFACTURING METHOD THEREOF
    Publication number: 20190189592
    Abstract: A semiconductor package includes a first layer including a first semiconductor chip and a first through via, a first redistribution layer disposed on a surface of the first layer, and including a first-first wiring and a second-first wiring, and a second layer including a second semiconductor chip, and stacked on the first layer. The first semiconductor chip includes a first-first buffer, and the first-first buffer is electrically connected between the first-first wiring and the second-first wiring.
    Type: Application
    Filed: August 20, 2018
    Publication date: June 20, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Hoon SON, Jung-Hwan CHOI, Seok-Hun HYUN
  • MEMORY MODULES, MEMORY SYSTEMS AND METHODS OF OPERATING MEMORY MODULES
    Publication number: 20190179553
    Abstract: A memory module includes a plurality of semiconductor memory devices associated with a same module board. The plurality of semiconductor memory devices configured to simultaneously perform a training operation, the plurality of semiconductor memory devices including a reception interface circuit configured to perform the training operation to search for selected equalization coefficients of an equalizer based on a training pattern from a memory controller, and transmit a training information signal to the memory controller in a training mode in response to a training command from the memory controller, the training information signal including the selected equalization coefficients.
    Type: Application
    Filed: August 14, 2018
    Publication date: June 13, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Wang-Soo Kim, Jung-Hwan Choi, Ki-Duk Park, Yoo-Chang Sung, Jin-Sung Youn, Chang-Kyo Lee, Ju-Ho Jeon, Jin-Seok Heo
  • Display device for controlling displaying of a window and method of controlling the same
    Patent number: 10310730
    Abstract: A method of controlling a display device including a touch screen is provided. The method includes displaying, on the touch screen, a plurality of windows respectively corresponding to executing applications, such that the windows do not overlap each other, displaying a plurality of boundary lines differentiating the plurality of windows, and a center button disposed at an intersection point of the plurality of boundary lines, receiving, through the touch screen, an input of a window size change command to change a size of at least one of the plurality of windows, and resizing and displaying at least one of the plurality of windows in correspondence to the window size change command.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: June 4, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hwan Choi, Kang-Tae Kim, Young-Jin Kim, Dae-Wook Park, Seung-Woon Lee
  • Data alignment circuit of a semiconductor memory device, a semiconductor memory device and a method of aligning data in a semiconductor memory device
    Patent number: 10283186
    Abstract: A data alignment circuit of a semiconductor memory device including: a data sampling circuit configured to receive a data sequence and an internal data strobe signal, wherein the data sampling circuit samples the data sequence based on the internal data strobe signal to generate first and second data sequences; a division circuit configured to receive a clock signal and the internal data strobe signal, divide the clock signal to produce a divided clock signal and output an alignment control signal by sampling the divided clock signal based on the internal data strobe signal; and a data alignment block configured to receive the first and second data sequences, and the alignment control signal, and align the first and second data sequences in parallel to output internal data.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-Hwan Jeon, Kyung-Soo Ha, Jin-Seok Heo, In-Dal Song, Jung-Hwan Choi
  • USER TERMINAL AND CONTROL METHOD OF THE SAME
    Publication number: 20190026012
    Abstract: The present invention provides a user terminal and a control method of the same, in which a first object is easily changed into a second object by moving to an edge region on a screen. The user terminal includes: an image processor configured to process an image; a display configured to display the processed image; and a controller configured to control the image processor so that a first object included in the image can be moved to an edge region on a screen of the display in response to a user's input for moving the first object to the edge region on the screen of the display, and the first object can be changed into a second object smaller than the first object and displayed on the display.
    Type: Application
    Filed: April 26, 2016
    Publication date: January 24, 2019
    Applicant: Samsung Electronics Cp., Ltd.
    Inventors: Seung Hun LEE, Do Youn KANG, Sung Bae PARK, Ju Yeon LEE, Jung Hwan CHOI
  • SEMICONDUCTOR PACKAGE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20180374823
    Abstract: A semiconductor package includes a first layer of one or more first semiconductor chips each having a first surface at which one or more first pads are exposed, a second layer of one or more second semiconductor chips disposed over the first layer and each having a second surface at which one or more second pads are exposed, and a first redistribution layer between the first layer and the second layer and electrically connected to the one or more first pads. The first layer may include one or more first TPVs extending through a substrate (panel) of the first layer and electrically connected to the first redistribution layer.
    Type: Application
    Filed: June 1, 2018
    Publication date: December 27, 2018
    Inventors: YOUNG-HOON SON, JUNG-HWAN CHOI, SEOK-HUN HYUN
  • DISPLAY DEVICE INCLUDING BUTTON CONFIGURED ACCORDING TO DISPLAYED WINDOWS AND CONTROL METHOD THEREFOR
    Publication number: 20180349025
    Abstract: A method for controlling a display device comprising a touch screen is provided. The control method displaying, on the touch screen, a plurality of windows that do not overlap one another and that respectively correspond to executing, displaying a center button disposed at an intersection of a plurality of dividing lines that distinguishes the plurality of windows, receiving an input of a window size change command for changing a size of at least one of the plurality of windows, changing the size of at least one of the plurality of windows in response to the window size change command, and discontinuing the displaying of less than all of the plurality of windows and enlarging a size of at least one remaining window.
    Type: Application
    Filed: August 6, 2018
    Publication date: December 6, 2018
    Inventors: Seung-Woon LEE, Kang-Tae KIM, Young-Jin KIM, Dae-Wook PARK, Jung-Hwan CHOI
  • METHOD OF CONTROLLING ON-DIE TERMINATION AND SYSTEM PERFORMING THE SAME
    Publication number: 20180342274
    Abstract: A method of controlling on-die termination (ODT) in a multi-rank system including a plurality of memory ranks is provided. The method includes: enabling ODT circuits of the plurality of memory ranks into an initial state when the multi-rank system is powered on; enabling the ODT circuits of a write target memory rank and non-target memory ranks among the plurality of memory ranks during a write operation; and disabling the ODT circuit of a read target memory rank among the plurality of memory ranks while enabling the ODT circuits of non-target memory ranks among the plurality of memory ranks during a read operation.
    Type: Application
    Filed: March 12, 2018
    Publication date: November 29, 2018
    Inventors: YOUNG-HOON SON, SI-HONG KIM, CHANG-KYO LEE, JUNG-HWAN CHOI, KYUNG-SOO HA
  • SERVER CLUSTER AND METHOD FOR PUSH NOTIFICATION SERVICE
    Publication number: 20180324266
    Abstract: A server cluster and method for providing a push notification service are provided. The method includes searching for, by a management server cluster, a first push server corresponding to predetermined search criteria from among a plurality of push servers upon receiving a request to connect with a push server from a mobile terminal; providing, by the management server cluster, connection information regarding the found first push server to the mobile terminal; and delivering, by the first push server, upon generation of a notification event after connecting with the mobile terminal, event information corresponding to the push notification event to the connected mobile terminal.
    Type: Application
    Filed: July 2, 2018
    Publication date: November 8, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ka-Ram KO, Hee SEO, Jung-Hwan CHOI, In-Gyu KIM
  • DISPLAY DEVICE FOR CONTROLLING DISPLAYING OF A WINDOW AND METHOD OF CONTROLLING THE SAME
    Publication number: 20180203582
    Abstract: A method of controlling a display device including a touch screen is provided. The method includes displaying, on the touch screen, a plurality of windows respectively corresponding to executing applications, such that the windows do not overlap each other, displaying a plurality of boundary lines differentiating the plurality of windows, and a center button disposed at an intersection point of the plurality of boundary lines, receiving, through the touch screen, an input of a window size change command to change a size of at least one of the plurality of windows, and resizing and displaying at least one of the plurality of windows in correspondence to the window size change command.
    Type: Application
    Filed: March 16, 2018
    Publication date: July 19, 2018
    Inventors: Jung-Hwan CHOI, Kang-Tae KIM, Young-Jin KIM, Dae-Wook PARK, Seung-Woon LEE
  • Power conversion unit
    Patent number: 10020749
    Abstract: The present invention relates to a power converter including a transformer; a current doubler including a switch element and connected to a secondary side of the transformer to double a current of the transformer according to an operation of the switch element; and a voltage resonator connected to the switch elements, wherein the voltage resonator includes a switch element and a capacitor which are connected to each other in series.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: July 10, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chunfeng Jin, Joo Suk Kang, Jae Sam Lee, Jung Hwan Choi, Dong Young Huh
  • DATA ALIGNMENT CIRCUIT OF A SEMICONDUCTOR MEMORY DEVICE, A SEMICONDUCTOR MEMORY DEVICE AND A METHOD OF ALIGNING DATA IN A SEMICONDUCTOR MEMORY DEVICE
    Publication number: 20180174636
    Abstract: A data alignment circuit of a semiconductor memory device including: a data sampling circuit configured to receive a data sequence and an internal data strobe signal, wherein the data sampling circuit samples the data sequence based on the internal data strobe signal to generate first and second data sequences; a division circuit configured to receive a clock signal and the internal data strobe signal, divide the clock signal to produce a divided clock signal and output an alignment control signal by sampling the divided clock signal based on the internal data strobe signal; and a data alignment block configured to receive the first and second data sequences, and the alignment control signal, and align the first and second data sequences in parallel to output internal data.
    Type: Application
    Filed: October 18, 2017
    Publication date: June 21, 2018
    Inventors: SEONG-HWAN JEON, KYUNG-SOO HA, JIN-SEOK HEO, IN-DAL SONG, JUNG-HWAN CHOI
  • SEMICONDUCTOR DEVICE AND SEMICONDUCTOR PACKAGE INCLUDING THE SAME
    Publication number: 20180122741
    Abstract: A semiconductor device includes a substrate having a cell region and a circuit region, an upper wiring layer on the substrate, and a redistribution wiring layer on the upper wiring layer. The upper wiring layer includes a secondary uppermost wiring in the circuit region and an uppermost wiring on the secondary uppermost wiring. The uppermost wiring includes an uppermost chip pad electrically connected to the secondary uppermost wiring. At least a portion of the uppermost chip pad in the cell region. The redistribution wiring layer includes a redistribution wiring electrically connected to the uppermost chip pad. At least a portion of the redistribution wiring serving as a landing pad connected to an external connector.
    Type: Application
    Filed: August 17, 2017
    Publication date: May 3, 2018
    Inventors: Young-Chul CHO, Min-Su AHN, Jung-Hwan CHOI
  • HETEROARYL DERIVATIVE OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, PREPARATION METHOD THEREFOR, AND PHARMACEUTICAL COMPOSTION FOR PREVENTING OR TREATING DISEASES ASSOCIATED WITH PI3 KINASES, CONTAINING SAME AS ACTIVE INGREDIENT
    Publication number: 20180105527
    Abstract: The present invention relates to a heteroaryl derivative or a pharmaceutically acceptable salt thereof, a preparation method therefor, and a pharmaceutical composition for preventing or treating diseases associated with PI3 kinases, containing the same as an active ingredient. The heteroaryl derivative according to the present invention has an excellent effect of selectively inhibiting PI3 kinases, thereby being useful in preventing or treating PI3 kinase diseases such as: cancers, autoimmune diseases, and respiratory diseases.
    Type: Application
    Filed: June 1, 2016
    Publication date: April 19, 2018
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Ge Hyeong Lee, Hee-Jong Lim, Heeyeong Cho, Woo Kyu Park, Seong Hwan Kim, Jung Hwan Choi
  • Display device for controlling displaying of a window and method of controlling the same
    Patent number: 9940013
    Abstract: A method of controlling a display device including a touch screen is provided. The method includes displaying, on the touch screen, a plurality of windows respectively corresponding to executing applications, such that the windows do not overlap each other, displaying a plurality of boundary lines differentiating the plurality of windows, and a center button disposed at an intersection point of the plurality of boundary lines, receiving, through the touch screen, an input of a window size change command to change a size of at least one of the plurality of windows, and resizing and displaying at least one of the plurality of windows in correspondence to the window size change command.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: April 10, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hwan Choi, Kang-Tae Kim, Young-Jin Kim, Dae-Wook Park, Seung-Woon Lee
  • Operating method of input/output interface
    Patent number: 9934169
    Abstract: A method of operating an input/output interface includes selecting one of a plurality of output driver circuits according to a mode selection signal, and outputting a data signal using the selected one of the plurality of output driver circuits. Another method of operating an includes generating a mode selection signal based on a received command signal, and controlling an on-die termination (ODT) circuit included in the input/output interface according to the mode selection signal. Another method of operating an includes generating a mode selection signal based on a received command signal, and controlling an ODT circuit included in the input/output interface according to the mode selection signal.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: April 3, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Chul Cho, Jung Bae Lee, Jung Hwan Choi