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).

  • Patent number: 10374958
    Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data rate beyond a 4G communication system such as LTE. In addition, the present disclosure relates to a TCP-based transmission control method and apparatus which can reduce a delay time while improving a transmission rate in a communication system. A method for TCP-based transmission control in a communication system according to an embodiment of the present disclosure comprises the steps of: determining a maximum target transmission rate for TCP control using maximum congestion windows (CWNDs) estimated at predetermined times; determining a minimum target round trip time (RTT) for the TCP control using minimum RTTs estimated at the predetermined times; and updating at least one of a congestion window (CWND) and a receive window (RWND) in an RTT time slot, using the maximum target transmission rate and the minimum target RTT.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: August 6, 2019
    Assignees: Samsung Electronics Co., Ltd., Ulsan National Institute of Science and Technology
    Inventors: Jin-Sung Lee, Kyunghan Lee, Jung-Shin Park, Han-Na Lim, Joo-Hyung Lee, Hyung-Ho Lee
  • Publication number: 20190179480
    Abstract: A 3-dimensional (3D) flat panel display with a built-in touch screen panel includes a first substrate, a plurality of pixels on the first substrate, a plurality of first electrode patterns spaced apart from one another at a first predetermined interval along a first direction, the plurality of first electrode patterns for driving the plurality of pixels, a second substrate positioned to face the first substrate, and a plurality of barrier patterns formed on an outer surface of the second substrate and spaced apart from one another at a second predetermined interval along a second direction, intersecting the first direction. At least one of the plurality of first electrode patterns and at least one barrier pattern of the plurality of barrier patterns serve as electrodes for the built-in touch screen panel.
    Type: Application
    Filed: February 12, 2019
    Publication date: June 13, 2019
    Inventors: Jong-Woong PARK, Joo-Hyung LEE, Geun-Young JEONG, Sang-Jin PAK, Ji-Yeon YANG, Se-Il CHO
  • Patent number: 10317694
    Abstract: Provided are color filter-integrated polarizer and method of manufacturing a color filter-integrated polarizer. A color filter-integrated polarizer includes a conductive material disposed on a substrate. The conductive material includes a polarizer region which comprises a plurality of parallel conductive wire patterns and a color filter region which comprises a plurality of holes arranged in a pattern.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: June 11, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Ha Son, Joo Hyung Lee, Yun Jong Yeo
  • Patent number: 10299181
    Abstract: The present disclosure relates to a 5G or pre-5G communication system that is provided so as to support higher data transmission rates after 4G communication systems such as LTE. In addition, the present disclosure relates to a method and an apparatus for configuring a disconnected TCP connection in a communication system, and a handover support method and apparatus therefor. The method for a TCP proxy configuring a TCP connection in a communication system according to the present disclosure comprises the steps of: configuring a tunnel for receiving/transmitting data with a base station; and according to a TCP connection request by a terminal, configuring a first TCP connection between the terminal and the TCP proxy, and configuring a second TCP connection between the TCP proxy and a service server of an IP network.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: May 21, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-Na Lim, Jung-Shin Park, Joo-Hyung Lee, Jin-Sung Lee, Hyung-Ho Lee
  • Patent number: 10299157
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method for managing congestion in a first node in a wireless communication system is provided. The method includes receiving status information from each of nodes configuring a network with the first node, receiving information about a service requirement criterion from a second node as one of the nodes, acquiring additional path setup information for the second node based on the status information received from each of the nodes and the information about the service requirement criterion received from the second node, and transmitting the acquired additional path setup information to the second node.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: May 21, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Sung Lee, Han-Na Lim, Jung-Shin Park, Joo-Hyung Lee, Ji-Cheol Lee, Hyung-Ho Lee
  • Patent number: 10282085
    Abstract: A method of displaying data and an electronic device thereof are provided. The method includes receiving a first gesture input when a first program is displayed on a first layer of a touch screen of the electronic device, displaying a second program corresponding to the first gesture input on a second layer of the touch screen, receiving a second gesture input on the second layer, and displaying a third program corresponding to the second gesture input on a third layer of the touch screen.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: May 7, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: In-Won Jong, You-Jin Im, Hye-Bin Park, Joo-Hyung Lee
  • Patent number: 10216316
    Abstract: A 3-dimensional (3D) flat panel display with a built-in touch screen panel includes a first substrate, a plurality of pixels on the first substrate, a plurality of first electrode patterns spaced apart from one another at a first predetermined interval along a first direction, the plurality of first electrode patterns for driving the plurality of pixels, a second substrate positioned to face the first substrate, and a plurality of barrier patterns formed on an outer surface of the second substrate and spaced apart from one another at a second predetermined interval along a second direction, intersecting the first direction. At least one of the plurality of first electrode patterns and at least one barrier pattern of the plurality of barrier patterns serve as electrodes for the built-in touch screen panel.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Woong Park, Joo-Hyung Lee, Geun-Young Jeong, Sang-Jin Pak, Ji-Yeon Yang, Se-Il Cho
  • Patent number: 10186207
    Abstract: A display device includes pixels at respective crossing regions of scan lines and data lines, a scan driver that is configured to supply a scan signal to the scan lines, and a data driver that is configured to supply a pre-emphasis voltage to the data lines using a first constant for controlling a voltage value of the pre-emphasis voltage, and using a second constant for controlling a supply time of the pre-emphasis voltage, and supply data signals to the data lines after the supply of the pre-emphasis voltage, wherein at least one of the first or second constants is stored in each channel corresponding to each of the data lines.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: January 22, 2019
    Assignees: Samsung Display Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Oh Jo Kwon, Ji Woong Kim, Choong Sun Shin, Joo Hyung Lee, Jun Suk Bang, Gyu Hyeong Cho
  • Publication number: 20180364404
    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: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Inventors: Yun Jong YEO, Jung Ha SON, Joo Hyung LEE, Hyung Bin CHO
  • Publication number: 20180357958
    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: August 20, 2018
    Publication date: December 13, 2018
    Inventors: Oh Jo Kwon, Joo Hyung Lee, Kyung Youl Min
  • Patent number: 10151973
    Abstract: An imprint lithography method includes disposing a mask layer on a base substrate in first and in second areas, reducing a thickness of the mask layer in the first area, disposing a first planarization layer on the mask layer in the first and second areas, forming a first imprint pattern on the first planarization layer, forming a first planarization layer pattern by etching the first planarization layer using the first imprint pattern, forming a first mask pattern in the first area by etching the mask layer using the first planarization layer pattern, diposing a second planarization layer on the first mask pattern and the mask layer in the first and second areas, forming a second imprint pattern on the second planarization layer, forming a second planarization layer pattern by etching the planarization layer using the second imprint pattern, and forming a second mask pattern in the second area.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: December 11, 2018
    Assignee: Samsung Display Co., Ltd
    Inventors: Yun-Jong Yeo, Jung-Ha Son, Joo-Hyung Lee, Dae-Young Lee
  • Patent number: 10133384
    Abstract: A display device includes a display panel, a source driving part, a gate driving part, a readout part and a pulse generating part. The display panel includes an array substrate on which a source line and a gate line are formed, and an opposite substrate on which a common electrode is formed. The readout part is electrically connected with at least one of the lines of the array substrate and the common electrode of the opposite substrate, and reads out a detection signal during an elimination period of a frame period. The pulse generating part outputs a control pulse for driving the readout part during the elimination period. Accordingly, a detection signal is read out through lines or a common electrode that are/is formed for displaying an image, so that an aperture ratio may be increased, and a manufacturing process thereof may be simplified.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: November 20, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Jin Pak, Man-Seung Cho, Kee-Han Uh, Joo-Hyung Lee
  • Publication number: 20180302805
    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: Application
    Filed: May 13, 2016
    Publication date: October 18, 2018
    Inventors: Han-Na LIM, Hyung-Ho LEE, Jung-Shin PARK, Joo-Hyung LEE, Jin-Sung LEE
  • Patent number: 10102797
    Abstract: An image sticking controller includes a gamma conversion unit configured to gamma-convert gray scale values respectively corresponding to a plurality of pixels, and to output the gamma-converted gray scale values as gamma conversion values, a data accumulation unit configured to accumulate the gamma conversion values into an accumulation data, the accumulation data including a minimum accumulation value, a maximum difference value indicating a difference between the minimum accumulation value and a maximum accumulation value, and difference values indicating respective differences between the minimum accumulation value and an accumulation value of each of the pixels, an image sticking analysis unit configured to output an image sticking decrease control signal when the maximum difference value is greater than a reference value, and a data conversion unit configured to convert the gray scale values in response to the image sticking decrease control signal, such that image sticking is reduced.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: October 16, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Woong Park, Won-Woo Jang, Yong-Seok Choi, Joo-Hyung Lee
  • Patent number: 10089455
    Abstract: An electronic device and method for controlling locking of an electronic device are disclosed. An electronic device includes a short-range communication unit for performing short-range communication and a controller for controlling locking of the electronic device by using an RSSI value of a counterpart electronic device connected by short-range communication through the short-range communication unit and a transmission strength value of the counterpart electronic device to control the locking of the electronic device.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: October 2, 2018
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Ihl-Ho Kim, Jun-Sik Kwon, Joo-Hyung Lee, Eui-Bum Han, Ji-Seon Hong, Veerabhadrappa Chilakanti
  • Publication number: 20180279103
    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: Application
    Filed: May 30, 2018
    Publication date: September 27, 2018
    Inventors: Ji-Seon HONG, Veerabhadrappa CHILAKANTI, Jun-Sik KWON, Joo-Hyung LEE, Eui-Bum HAN
  • Patent number: 10082612
    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: June 1, 2015
    Date of Patent: September 25, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun Jong Yeo, Jung Ha Son, Joo Hyung Lee, Hyung Bin Cho
  • Patent number: 10078981
    Abstract: A controller for a display device includes an adjuster and a compensator. The adjuster adjusts at least one parameter of a modeling equation based on a measured current of a pixel. The modeling equation including the at least one adjusted parameter is indicative of a real time degree of degradation of the pixel. The compensator compensates for image data corresponding to emission of light from the pixel.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: September 18, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gun-Hee Chung, Chang-Kyu Seol, Jun-Jin Kong, Jong-Woong Park, Hong-Rak Son, Hyun-Seuk Yoo, Joo-Hyung Lee
  • Patent number: 10079326
    Abstract: An exemplary embodiment of the present invention provides an optical sensor, including: a substrate; an infrared ray sensing thin film transistor including a first semiconductor layer that is formed on the substrate and arranged to operate by receiving infrared light, and a bandpass filter formed on the substrate and sized and arranged to pass the infrared light; a visible ray sensing thin film transistor including a second semiconductor layer formed on the substrate and arranged to operate by receiving visible light; and a switching thin film transistor including a third semiconductor layer formed on the substrate, wherein the bandpass filter may be formed of a metal material patterned to have features, successive features spaced apart from each other by a predetermined period so as to pass the infrared light and to block the visible light.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: September 18, 2018
    Assignee: Samsung Display Co. Ltd.
    Inventors: Yun Jong Yeo, Jung Ha Son, Joo Hyung Lee
  • Patent number: 10075653
    Abstract: A method and an electronic device are provided for image processing. The electronic device displays a composition selection guide having at least one composition item corresponding to at least one object in an image, on at least one display connected to the electronic device. An input is received relating to a selection of a composition item from the at least one composition item of the composition selection guide. At least one composition image corresponding to the composition item is acquired. The at least one composition image is displayed on the at least one display.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: September 11, 2018
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jin Hong Jeong, Joo Hyung Lee, Soo Hyung Kim