Patents by Inventor Joo-Hyung Lee

Joo-Hyung 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).

  • Publication number: 20220155814
    Abstract: Devices for reducing power consumption and skew for transmission of signals in a clock distribution circuit are described. A global distribution circuit is configured to divide external clock signals to generate first divided multiphase clock signals and divide one of the first divided multiphase clock signals to generate a reference clock signal. A local distribution circuit is configured to generate second divided multiphase clock signals according to a portion of the first divided multiphase clock signals and the reference clock signal.
    Type: Application
    Filed: April 9, 2021
    Publication date: May 19, 2022
    Applicant: SK hynix Inc.
    Inventors: Ji Hyo KANG, Kyung Hoon KIM, Jae Hyeok YANG, Sang Yeon BYEON, Gang Sik LEE, Joo Hyung CHAE
  • Publication number: 20220043414
    Abstract: The energy storage system operating apparatus and method includes a pre-optimization processing unit configured to generate an operating schedule, which is for operating the energy storage system during a set period, for each predetermined section by reflecting electric power billing environment data in at least one of a consumer policy and operating characteristics of the energy storage system and configured to set an electric power reserve to prepare for a shortage of an electric power amount; and an operating control unit configured to detect, for each section, an error between a value measured as being actually consumed and a predicted value of the operating schedule generated by the pre-optimization processing unit and configured to selectively reflect the electric power reserve in a discharging amount corresponding to the operating schedule in a subsequent section according to the detected error to control an energy storage system operating unit.
    Type: Application
    Filed: August 5, 2020
    Publication date: February 10, 2022
    Inventors: Jun Kyun CHOI, Jang Kyum KIM, Sang Don PARK, Joo Hyung LEE
  • Publication number: 20220020777
    Abstract: A display device includes a display panel including a first display area and a second display area, and a metal layer disposed on a rear side of the display panel. The metal layer includes a light transmitting region disposed corresponding to the second display area. The light transmitting region includes a fine pattern.
    Type: Application
    Filed: February 26, 2021
    Publication date: January 20, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: In-Su BAEK, Joo Hyung LEE, Min Ki KIM, Young Gu KIM, Min-Suk CHUNG
  • Publication number: 20210384153
    Abstract: A semiconductor package includes an insulating layer including a first face and a second face opposite each other, a redistribution pattern including a wiring region and a via region in the insulating layer, the wiring region being on the via region, and a first semiconductor chip connected to the redistribution pattern. The first semiconductor chip may be on the redistribution pattern. An upper face of the wiring region may be coplanar with the first face of the insulating layer.
    Type: Application
    Filed: March 22, 2021
    Publication date: December 9, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Joo Hyung LEE, Ki Tae PARK, Byung Lyul PARK, Joon Seok OH, Jong Ho YUN
  • Publication number: 20210211636
    Abstract: An embodiment of the disclosure discloses an electronic device including at least one camera module to capture an image based on a specified angle of view, a display to display the image, a processor electrically connected with the camera module and the display. The processor detects a plurality of objects in the image, and performs setting of image data associated with at least one object of the plurality of objects such that a region, which corresponds to the at least one object, in a screen region of the display has a specified light transmittance value. Moreover, various embodiment found through the disclosure are possible.
    Type: Application
    Filed: March 22, 2021
    Publication date: July 8, 2021
    Inventors: Song Yi LEE, Young Mi SHIN, Jin Soo HA, Jang Woon KIM, Hyun Keun SON, Joo Hyung LEE
  • Patent number: 11050810
    Abstract: The present disclosure relates to a communication technique for converging IoT technology with a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure may be applied to intelligent services based on 5G communication technology and IoT-related technology (e.g. smart homes, smart buildings, smart cities, etc.). A method for receiving image data for a virtual-reality streaming service by an electronic device according to an embodiment of the present invention comprises: a step in which the electronic device determines whether to execute an adaptive virtual-reality streaming service on the basis of a bandwidth state; and a step in which, if it is determined to execute the adaptive virtual-reality streaming service, the electronic device requests and receives, from a server, the image data for the adaptive virtual-reality streaming service on the basis of head-tracking information and bandwidth information collected in advance.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: June 29, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Shin Park, Joo-Hyung Lee, Ji-Cheol Lee, Han-Na Lim, Jin-Sung Lee, Hyung-Ho Lee
  • Patent number: 11030950
    Abstract: An organic light-emitting display includes: a display panel including first and second pixels, each having an organic light-emitting diode; and a data driver including a first operational amplifier having a non-inverting terminal coupled to a reference voltage terminal and an inverting terminal coupled to the first pixel, and a second operational amplifier having a non-inverting terminal coupled to the reference voltage terminal and an inverting terminal coupled to the second pixel. The first pixel includes a sensing transistor, a first driving transistor, and a first switch transistor. The second pixel includes a second driving transistor and a second switch transistor.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: June 8, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Oh Jo Kwon, Joo Hyung Lee, Kyung Youl Min
  • Patent number: 11031307
    Abstract: A semiconductor package includes a buffer wafer including: a first surface; and a second surface opposite to the first surface, a stacked structure including a plurality of chips being stacked on the first surface of the buffer wafer; a first detection line formed around a periphery of the stacked structure on the first surface of the buffer wafer; and a mold layer covering the stacked structure, the first detection line and the first surface of the buffer wafer.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan Hee Jeong, Hyun Ki Seo, Joo Hyung Lee, Jae Gil Lim
  • Patent number: 10958894
    Abstract: An embodiment of the disclosure discloses an electronic device including at least one camera module to capture an image based on a specified angle of view, a display to display the image, a processor electrically connected with the camera module and the display. The processor detects a plurality of objects in the image, and performs setting of image data associated with at least one object of the plurality of objects such that a region, which corresponds to the at least one object, in a screen region of the display has a specified light transmittance value. Moreover, various embodiment found through the disclosure are possible.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: March 23, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Song Yi Lee, Young Mi Shin, Jin Soo Ha, Jang Woon Kim, Hyun Keun Son, Joo Hyung Lee
  • Patent number: 10950480
    Abstract: An adhesive tape sticking apparatus includes a chamber includes a lower chamber and an upper chamber. The lower chamber includes a first inner space and the upper chamber includes a second inner space. An adhesive tape sheet is positioned between the upper chamber and the lower chamber. A substrate support is movable upward and downward within the lower chamber and is configured to support a substrate. A differential pressure generator is configured to generate a differential pressure between the first inner space and the second inner space. A tape support plate positioned between a first sidewall of the lower chamber and a circumferential edge of the substrate. The tape support plate is configured to contact at least a portion of the adhesive tape sheet when the adhesive tape sheet bends downward toward the first inner space when the differential pressure is generated between the first and second inner spaces.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: March 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Min Kim, Joo-Hyung Lee, Hae-Gu Lee
  • Publication number: 20200294869
    Abstract: A semiconductor package includes a buffer wafer including: a first surface; and a second surface opposite to the first surface, a stacked structure including a plurality of chips being stacked on the first surface of the buffer wafer; a first detection line formed around a periphery of the stacked structure on the first surface of the buffer wafer; and a mold layer covering the stacked structure, the first detection line and the first surface of the buffer wafer.
    Type: Application
    Filed: November 15, 2019
    Publication date: September 17, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan Hee JEONG, Hyun Ki Seo, Joo Hyung Lee, Jae Gil Lim
  • Patent number: 10681517
    Abstract: An electronic device is provided. The electronic device includes a first local area communication part configured to perform a first local area communication, a second local area communication part configured to perform a second local area communication at a lower power than the first local area communication part, and a control part configured to connect the first local area communication to other electronic devices by using the second local area communication part, wherein the second local area communication part may be configured to try a second local area communication with the other electronic devices after the connected first local area communication is disconnected.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: June 9, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Seon Hong, Veerabhadrappa Chilakanti, Jun-Sik Kwon, Joo-Hyung Lee, Eui-Bum Han
  • Patent number: 10659950
    Abstract: The present disclosure relates to a 5G or a pre-5G communication system to be provided in order to support a higher data transmission rate than a 4G communication system such as LTE. The present invention provides a method for receiving, by a terminal, a mobile end service in a communication system, the method including: a step of ascertaining whether there exists a continuously available service among services which have been provided from a serving base station, on the basis of a list of supported services received from a target base station; and in the case that there exists a continuously available service, a step of transmitting a service area update request to the target base station via a connection layer if the continuously available service supports a mobile end service.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: May 19, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-Na Lim, Jung-Shin Park, Joo-Hyung Lee, Jin-Sung Lee
  • Patent number: 10567978
    Abstract: The present disclosure relates to a 5G or pre-5G communication system to be provided for supporting a data transmission rate higher than that of a 4G communication system such as an LTE. The present invention relates to a method by which a proxy sets an initial window value in a wireless communication system, the method comprising: splitting a transmission control protocol (TCP) connection between a terminal and a server; extracting the information related to the terminal from the data received from the terminal; and setting the initial window value on the basis of a round trip time (RTT) value and a throughput value for each of terminal groups grouped on the basis of the information related to the terminal.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: February 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-Na Lim, Hyung-Ho Lee, Jung-Shin Park, Joo-Hyung Lee, Jin-Sung Lee
  • Patent number: 10560389
    Abstract: Methods and apparatuses for controlling transmission control protocol (TCP) send buffers in communication systems are provided. The method includes identifying a current round-trip time (RTT) value and a minimum RTT value in the TCP and adjusting a size of the send buffer based on at least one of a current operation, the current RTT value, and the minimum RTT value in a congestion control scheme according to the TCP.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: February 11, 2020
    Assignees: Samsung Electronics Co., Ltd., The Regents of the University of Colorado A Body Corporate
    Inventors: Jin-Sung Lee, Young-Bin Im, Sangtae Ha, Sang-Jun Moon, Jung-Shin Park, Ji-Cheol Lee, Joo-Hyung Lee
  • Publication number: 20200037147
    Abstract: The present disclosure relates to a 5G or a pre-5G communication system to be provided in order to support a higher data transmission rate than a 4G communication system such as LTE. The present invention provides a method for receiving, by a terminal, a mobile end service in a communication system, the method including: a step of ascertaining whether there exists a continuously available service among services which have been provided from a serving base station, on the basis of a list of supported services received from a target base station; and in the case that there exists a continuously available service, a step of transmitting a service area update request to the target base station via a connection layer if the continuously available service supports a mobile end service.
    Type: Application
    Filed: October 7, 2019
    Publication date: January 30, 2020
    Inventors: Han-Na Lim, Jung-Shin Park, Joo-Hyung Lee, Jin-Sung Lee
  • Publication number: 20200027398
    Abstract: An organic light-emitting display includes: a display panel including first and second pixels, each having an organic light-emitting diode; and a data driver including a first operational amplifier having a non-inverting terminal coupled to a reference voltage terminal and an inverting terminal coupled to the first pixel, and a second operational amplifier having a non-inverting terminal coupled to the reference voltage terminal and an inverting terminal coupled to the second pixel. The first pixel includes a sensing transistor, a first driving transistor, and a first switch transistor. The second pixel includes a second driving transistor and a second switch transistor.
    Type: Application
    Filed: September 27, 2019
    Publication date: January 23, 2020
    Inventors: Oh Jo Kwon, Joo Hyung Lee, Kyung Youl Min
  • Patent number: 10509151
    Abstract: Provided are light source module and backlight unit. A wire grid polarizer including a substrate, and a plurality of conductive wire patterns configured to be formed parallel to one another on the substrate, wherein each of the conductive wire patterns includes a first conductive wire pattern, an insulating layer and a second conductive wire pattern and the first and second conductive wire patterns are electrically insulated from each other and have different shapes.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: December 17, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yun Jong Yeo, Jung Ha Son, Joo Hyung Lee, Hyung Bin Cho
  • Publication number: 20190373042
    Abstract: The present disclosure relates to a communication technique for converging IoT technology with a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure may be applied to intelligent services based on 5G communication technology and IoT-related technology (e.g. smart homes, smart buildings, smart cities, etc.). A method for receiving image data for a virtual-reality streaming service by an electronic device according to an embodiment of the present invention comprises: a step in which the electronic device determines whether to execute an adaptive virtual-reality streaming service on the basis of a bandwidth state; and a step in which, if it is determined to execute the adaptive virtual-reality streaming service, the electronic device requests and receives, from a server, the image data for the adaptive virtual-reality streaming service on the basis of head-tracking information and bandwidth information collected in advance.
    Type: Application
    Filed: August 16, 2019
    Publication date: December 5, 2019
    Inventors: Jung-Shin PARK, Joo-Hyung LEE, Ji-Cheol LEE, Han-Na LIM, Jin-Sung LEE, Hyung-Ho LEE
  • Patent number: D941793
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: January 25, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-Hyung Lee, Sang-Sik Park