Patents by Inventor Kyu Kang

Kyu Kang 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).

  • DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
    Publication number: 20200013334
    Abstract: A display device includes a scan driver configured to provide a scan signal to the scan line, the scan signal having an ON voltage for turning on a transistor in a plurality of horizontal periods including a current horizontal period and at least one previous horizontal period corresponding to the scan signal, and a grayscale data processor configured to correct current grayscale data of a current pixel corresponding to the current horizontal period to generate correction grayscale data based on previous grayscale data of a previous pixel corresponding to the previous horizontal period, the current pixel included in a same pixel column as the previous pixel.
    Type: Application
    Filed: July 9, 2019
    Publication date: January 9, 2020
    Inventors: Chul Kyu KANG, Sang Moo Choi, Soo Hee Oh, Dongsun Lee
  • ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME
    Publication number: 20190392769
    Abstract: An organic light emitting display device includes: a pixel unit including a plurality of pixels; a scan driver for sequentially supplying a scan signal to the pixels through scan lines, wherein the scan signal includes k (k is a natural number) bias pulses for applying a bias voltage and one write pulse for applying a data voltage; a data corrector for correcting a first grayscale value that is a grayscale value of a (j, i) pixel (i and j are natural numbers) among the pixels, based on a difference between the first grayscale value and a second grayscale value that is a grayscale value of a (j+2k, i) pixel among the pixels; and a data driver for supplying a data voltage corresponding to each of the grayscale values to the pixel unit through a plurality of data lines.
    Type: Application
    Filed: June 24, 2019
    Publication date: December 26, 2019
    Inventors: Dong Sun LEE, Sang Moo CHOI, Chul Kyu KANG, Soo Hee OH
  • PIXEL AND DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20190386079
    Abstract: A pixel and a display device having the pixel, the pixel including: a light emitting element; a first transistor configured to control, in response to a voltage of a first node coupled to a gate electrode thereof, current to be supplied from a first power supply coupled with a first electrode thereof to a second power supply via the light emitting element; a storage capacitor coupled between the first node and the first power supply; a second transistor coupled between a data line and the first transistor; an initialization transistor coupled between the light emitting element and an initialization power supply to transmit a voltage of the initialization power supply the light emitting element; and a dummy transistor coupled between the light emitting element and the initialization power supply, and including a first electrode and a second electrode that are coupled with each other.
    Type: Application
    Filed: December 14, 2018
    Publication date: December 19, 2019
    Inventors: Chul Kyu KANG, Won Kyu KWAK, Sang Moo CHOI
  • Apparatus and method for reducing power consumption in electronic device
    Patent number: 10511655
    Abstract: An apparatus and a method for reducing power consumption of an Application Processor (AP) in an electronic device are provided. The electronic device includes a first processor for supporting a first Internet Protocol (IP) Multimedia Subsystem (IMS) protocol stack, and a second processor for supporting a second IMS protocol stack. The first processor includes an AP for processing a multimedia service, and the second processor includes at least one of a Communication Processor (CP), a Modem Processor (MP), and a Baseband Processor (BP) for processing a communication service.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: December 17, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-Jeong Bae, Chin-Kyu Kang, Hye-Jeong Kim, Sang-Soo Lee
  • ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20190378887
    Abstract: An organic light emitting diode display includes a substrate, a semiconductor layer on the substrate, the semiconductor layer including a doped area and an undoped area, a first insulation layer that covers the semiconductor layer, a first conductor on the first insulation layer, a second insulation layer that covers the first conductor, a second conductor on the second insulation layer, a third insulation layer that covers the second conductor, and a third conductor on the third insulation layer, wherein, in the semiconductor layer that overlaps the first conductor, the doped area is between undoped areas.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 12, 2019
    Inventors: Sung Hwan KIM, Won Kyu KWAK, Sang Moo CHOI, Ji-Hyun KA, Chul Kyu KANG, Dong Wook KIM, Won Se LEE
  • Method for preparation of (S)-N1-(2-aminoethyl)-3-(4-alkoxyphenyl)propane-1,2-diamine trihydrochloride
    Patent number: 10501403
    Abstract: The present invention relates to a novel method for preparing (S)—N1-(2-aminoethyl)-3-(4-alkoxyphenyl)propane-1,2-diamine trihydrochloride.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: December 10, 2019
    Assignee: ST PHARM CO., LTD.
    Inventors: Yeong Hun Kim, Hyun Woo Baek, Hyeon Jin Lee, Sang Kyu Kang, Sun Ki Chang, Geun Jho Lim
  • Driver integrated circuit and display apparatus including the same
    Patent number: 10503334
    Abstract: Disclosed are a driver IC and a display apparatus including the same, which supply a touch auxiliary signal, having the same phase and potential difference as those of a touch signal supplied to a touch electrode which is also used as a common electrode, to a plurality of supply lines disposed in a non-display area during a touch sensing period. The driver IC includes a common voltage supply element, a touch sensing unit, and a common voltage switching unit. The common voltage switching unit connects the common voltage supply element to a plurality of touch electrode lines connected to the plurality of touch electrodes during an image display period, and during a touch sensing period, the common voltage switching unit connects the plurality of touch electrode lines to the touch sensing unit.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: December 10, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Seong Kyu Kang, Sung Yub Lee
  • System for disposal of waste containing food waste or livestock manure and production of energy and method therefor
    Patent number: 10472809
    Abstract: The present invention relates to a system for disposal of waste containing food waste or livestock manure and production of energy and a method therefor, wherein the system can dispose of waste, such as food waste or livestock manure, without using chemical additives or a precipitation bath generally used for disposal of wastewater, and can allow separation of wastewater and solid organic substances from the waste, disposal thereof, and then recycling thereof, respectively.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: November 12, 2019
    Assignee: LOHAS TECH CO., LTD.
    Inventor: Chul Kyu Kang
  • Apparatus for generating sound by using car body
    Patent number: 10471892
    Abstract: An exemplary embodiment of the present disclosure may provide a sound generator which is connected to a vehicle body and generates sound, the sound generator including: a magnetic circuit generating vibration; a yoke contacting an upper surface of the magnetic circuit; an elastic member contacting at least a part of an upper surface of the yoke and performing vibration motion; a housing including an internal space formed as upper and lower sides of the housing are opened and lateral sides of the housing are closed; and a coil receiving an alternating current signal provided from the outside, wherein the coil is positioned in the internal space of the housing, wherein the sound generator transmits the vibration generated by the magnetic circuit to the vehicle body and vibrate at least a part of the vehicle body such that sound is generated from the vehicle body.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: November 12, 2019
    Assignee: Yeil Electronics Co., Ltd
    Inventors: Yoon Kyu Kang, Jae Yong Kim
  • SYSTEM FOR LEARNING PROGRAMMING
    Publication number: 20190340952
    Abstract: Disclosed is a system for learning programming capable of easily coding a game and learning a coding method, wherein the system includes a web platform including a plurality of game contents, a smart arcade coding box configured to access the web platform and manipulate a game, and a display configured to display an execution screen of the game in connection with the smart arcade coding box, wherein, when a user selects and executes at least one of a plurality of games stored in the web platform using the smart arcade coding box, a programming coding substance of a motion of a character in the game corresponding to a manipulation of the smart arcade coding box is displayed on the display in real time.
    Type: Application
    Filed: October 31, 2018
    Publication date: November 7, 2019
    Applicant: INFITECH CO., LTD.
    Inventor: Jun Kyu KANG
  • Solar cell module and method for manufacturing the same
    Patent number: 10468546
    Abstract: Disclosed herein are a solar cell module and a method for manufacturing the same. The solar cell module comprises: a substrate; and a plurality of solar cells located on the substrate, each solar cell comprising a first electrode, a second electrode, and a photoactive layer located between the first electrode and the second electrode, wherein at least a portion of a second electrode is located on a photoactive layer of a neighboring solar cell, and a conductive channel is located between the second electrode and a first electrode of the neighboring solar cell. Therefore, a solar cell module having a structure in which every layer except for electrodes is entirely formed as a thin film may be provided. In addition, a solar cell module the module efficiency of which is improved by increasing the active area of each solar cell may be provided.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: November 5, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwang Hee Lee, Hong Kyu Kang
  • Method of manufacturing substrate structure
    Patent number: 10468400
    Abstract: A method of manufacturing a substrate structure includes providing a first substrate including a first device region on a first surface, providing a second substrate including a second device region on a second surface, such that a width of the first device region is greater than a width of the second device region, and bonding the first substrate and the second substrate, such that the first and second device regions are facing each other and are electrically connected to each other.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: November 5, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pil Kyu Kang, Seok Ho Kim, Tae Yeong Kim, Kwang Jin Moon, Ho Jin Lee
  • Optical alignment device and optical alignment method
    Patent number: 10459177
    Abstract: Provided are an optical alignment device applied to an assembly process of an optical transmitter and an optical receiver that include multi-channel optical elements and optical waveguide elements for optical communication, and an optical alignment method thereof. The optical alignment device includes an element fixing case with a mounting space formed thereinside and an element insertion hole communicating with the mounting space formed at an upper side thereof, and a light source mounted in the mounting space of the element fixing case and configured to emit light toward a lower side of an optical element or an optical waveguide element which is inserted into the element insertion hole to check a position of a core.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: October 29, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS REASEARCH INSTITUTE
    Inventors: Jeong Eun Kim, Jong Jin Lee, Eun Kyu Kang, Won Bae Kwon, Soo Yong Jung
  • Optical module
    Patent number: 10459165
    Abstract: The present invention relates to an optical module, and more specifically, to an optical module which allows an optical coupling loss of an optical signal to be minimized and a frequency bandwidth thereof to be maximized. The optical module according to an embodiment of the present invention includes: a circuit substrate; an electronic element mounted on one surface of the circuit substrate; an optical element mounted on another surface perpendicular to the one surface of the circuit substrate; a capacitor mounted between the electronic element and the optical element; and an optical waveguide array on which an optical waveguide is disposed.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: October 29, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Won Bae Kwon, Jong Jin Lee, Eun Kyu Kang, Jeong Eun Kim, Soo Yong Jung
  • Heterocyclic compound and organic light emitting element using same
    Patent number: 10446765
    Abstract: The present specification relates to a novel hetero-cyclic compound, and an organic light emitting device using the same.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: October 15, 2019
    Assignee: HEESUNG MATERIAL LTD.
    Inventors: Jung-Hyun Lee, Su-Jin Jung, Sang-Kyu Kang, Kee-Yong Kim, Dong-Jun Kim, Jin-Seok Choi, Dae-Hyuk Choi, Sung-Jin Eum, Joo-Dong Lee
  • Optical module platform structure and method of manufacturing the same
    Patent number: 10444448
    Abstract: Provided are an optical module platform structure and a method of manufacturing the same. The optical module platform structure includes an optical module platform substrate, a light source device mounted on a light source mount attached on one upper side of the optical module platform substrate, a waveguide spaced apart from the light source device by a certain interval and mounted on a waveguide mount attached on the optical module platform substrate, a lens mount fixed between the light source mount and the waveguide mount, and a lens fixed to a top of the lens mount. Therefore, optical coupling efficiency between a light source and a waveguide is maximized by applying a lens mount, and an optical alignment error is minimized.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: October 15, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soo Yong Jung, Jong Jin Lee, Eun Kyu Kang, Won Bae Kwon, Jeong Eun Kim
  • DISPLAY APPARATUS
    Publication number: 20190305065
    Abstract: A display apparatus includes a substrate including a display area for displaying an image, a first thin film transistor in the display area and including a first semiconductor layer having a silicon semiconductor and a first gate electrode insulated from the first semiconductor layer, a first interlayer insulating layer covering the first gate electrode and having a first contact hole extending therethrough, and a second thin film transistor on the first interlayer insulating layer and including a second semiconductor layer having an oxide semiconductor and a second gate electrode insulated from the second semiconductor layer. A portion of the second semiconductor layer extends into a first contact hole and is electrically connected to the first semiconductor layer.
    Type: Application
    Filed: March 29, 2019
    Publication date: October 3, 2019
    Inventors: Kiwook KIM, Chul kyu KANG, Wonkyu KWAK, Kwangmin KIM, Joongsoo MOON
  • Vibration output apparatus and portable electronic device comprising vibration output apparatus
    Patent number: 10425740
    Abstract: The present invention relates to an apparatus for outputting vibration, and an exemplary embodiment of the present invention may provide an apparatus for outputting vibration, the apparatus including: a magnetic circuit which generates vibration; a yoke which is in contact with an upper surface of the magnetic circuit and has a raised spot with different heights in a height direction in at least one of the lateral surfaces of the yoke such that one or more spaces are formed in an upper surface of the yoke; and an elastic body which is in contact with at least a part of the upper surface of the yoke, and vibratorily moves in the one or more spaces, in which the elastic body is formed of a first elastic unit and a second elastic unit, and the first elastic unit and the second elastic unit are integrally molded.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: September 24, 2019
    Assignee: Yeil Electronics Co., Ltd.
    Inventors: Yoon Kyu Kang, Jae Yong Kim
  • Display device and driving method thereof
    Patent number: 10423262
    Abstract: In a touch display device, a controller generates a touch sync signal for controlling timing of a touch sensing period and a display period in each of a plurality of frames. A touch panel has a plurality of touch electrodes in a display area to generate touch sensing signals indicating whether or not a touch occurs during the touch sensing period. A touch sensing circuit supplies a touch drive signal to the plurality of touch electrodes during the touch sensing period and detects if the touch occurred based on the touch sensing signals received from the plurality of touch electrodes. A touch assistance line surrounds the display area and is disposed in the non-display area of the touch panel. A touch assistance signal supply circuit generates a touch assistance signal on the touch assistance line. The touch assistance signal mimics the touch drive signal during the touch sensing period.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: September 24, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Seong Kyu Kang, Hoon Bae Kim, Sung Yub Lee
  • METHOD FOR PREPARATION OF (S)-N1-(2-AMINOETHYL)-3-(4-ALKOXYPHENYL)PROPANE-1,2-DIAMINE TRIHYDROCHLORIDE
    Publication number: 20190284126
    Abstract: The present invention relates to a novel method for preparing (S)—N1-(2-aminoethyl)-3-(4-alkoxyphenyl)propane-1,2-diamine trihydrochloride.
    Type: Application
    Filed: November 3, 2017
    Publication date: September 19, 2019
    Inventors: Yeong Hun KIM, Hyun Woo BAEK, Hyeon Jin LEE, Sang Kyu KANG, Sun Ki CHANG, Geun Jho LIM