Patents by Inventor Hyun-Seok Ko

Hyun-Seok Ko 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: 9886916
    Abstract: A display device includes an external image processing set and a display assembly configured to receive converted image data from the external image processing set and display an image corresponding to the converted image data. The display assembly includes a dynamic capacitance compensation lookup table storage unit which stores therein a dynamic capacitance compensation lookup table, and the external image processing set includes a memory which receives the dynamic capacitance compensation lookup table from the display assembly and stores therein the received dynamic capacitance compensation lookup table, and a graphic processing unit which outputs converted image data in which current frame data has undergone dynamic capacitance compensation based on the stored dynamic capacitance compensation lookup table, the current frame data and previous frame data.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: February 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Seok Ko, Jin Kyu Park, Whee Won Lee, Sang Su Han
  • Publication number: 20180002772
    Abstract: A method for manufacturing a grain-oriented electrical steel sheet, according to an embodiment of the present invention includes: heating a slab, based on 100 wt % of a total composition thereof, including N at 0.0005 wt % to 0.015 wt %, Ti at 0.0001 wt % to 0.020 wt %, V at 0.0001 wt % to 0.020 wt %, Nb at 0.0001 wt % to 0.020 wt %, B at 0.0001 wt % to 0.020 wt %, and the remaining portion including Fe and other impurities, and then hot rolling it to prepare a hot-rolled steel sheet; annealing the hot-rolled steel sheet; after the hot-rolled steel sheet is annealed, cooling the hot-rolled steel sheet, and then cold rolling it to prepare a cold-rolled steel sheet; decarburization-annealing the cold-rolled steel sheet and then nitriding-annealing it, or simultaneously performing the decarburization-annealing and the nitriding-annealing; and final-annealing the decarburization-annealed and nitriding-annealed steel sheet.
    Type: Application
    Filed: December 18, 2015
    Publication date: January 4, 2018
    Inventors: Kyu-Seok HAN, Hyung Don JOO, Jong-Tae PARK, Jin-Wook SEO, Hyun-Seok KO
  • Publication number: 20180001347
    Abstract: A cover window includes a plastic layer and a first hard coating layer disposed on an upper surface of the plastic layer. An edge of the cover window includes a vertical side part perpendicular to the upper surface of the plastic layer. A first inclination part is connected to the vertical side part and is inclined with respect to the vertical side part. The vertical side part and the first inclination part include a mechanical processing trace. An edge of the first hard coating layer adjacent to the first inclination part includes a laser processing trace.
    Type: Application
    Filed: February 21, 2017
    Publication date: January 4, 2018
    Inventors: HYUN-IL CHO, HYUN SEOK KO
  • Publication number: 20170372848
    Abstract: An electric energy storage device in which a cell assembly having electrode leads is installed in a metal case. The electric energy storage device includes an internal terminal formed with a support, connection ribs and thorough portions, and the electrode leads include a part of electrode leads compressed by the support and the connection ribs of the internal terminal and a part of electrode leads located at the thorough portions of the internal terminal to maintain a shape thereof.
    Type: Application
    Filed: January 8, 2016
    Publication date: December 28, 2017
    Applicant: LS Mtron Ltd.
    Inventors: Yu-Il YOON, Ha-Young LEE, Sang-Hyun BAE, Dong-Il SHIN, Hyun-Seok KO, Kyeong-Hoon PARK, Ho-Lim KANG
  • Publication number: 20170372849
    Abstract: An electric energy storage device has an inner terminal disposed in a cylindrical metal case and connected to an electrode of a bare cell, wherein the inner terminal includes a plate-shaped terminal body having a circular outer circumference; at least one electrolyte impregnation hole formed through the terminal body in a thickness direction; a flange located at the outer circumference of the terminal body and extending perpendicular to a plane of the terminal body; and a spacer formed to protrude at a periphery of at least one impregnation hole among the impregnation holes or formed by protruding a part of the plane of the terminal body.
    Type: Application
    Filed: September 14, 2015
    Publication date: December 28, 2017
    Inventors: Ha-Young LEE, Dong-Sup KIM, Sang-Hyun BAE, Ji-Eun KANG, Dong-Il SHIN, Yu-Il YOON, Hyun-Seok KO, Kyeong-Hoon PARK
  • Publication number: 20170335425
    Abstract: An oriented electrical steel sheet includes Ba at about 0.005 wt % to about 0.5 wt % inclusive, Y at about 0.005 wt % to about 0.5 wt % inclusive, or a composite of Ba and Y at about 0.005 wt % to about 0.5 wt % inclusive, the remainder including Fe and impurities, based on 100 wt % of a total composition of a base steel sheet thereof.
    Type: Application
    Filed: December 16, 2014
    Publication date: November 23, 2017
    Inventors: Hyung Don JOO, Hyung-Ki PARK, Jin-Wook SEO, Kyu-Seok HAN, Jae-Soo LIM, Hyun-Seok KO
  • Publication number: 20170271061
    Abstract: Disclosed are an oriented electrical steel sheet and a manufacturing method thereof. An exemplary embodiment of the present invention provides a method of manufacturing an oriented electrical steel sheet, including: providing a slab including Si at 1.0 to 4.0 wt %, C at 0.1 to 0.4 wt %, and the remaining portion including Fe and other inevitably incorporated impurities; reheating the slab; producing a hot rolled steel sheet by hot rolling the slab; performing annealing of the hot rolled steel sheet; cold rolling the annealed hot rolled steel sheet; decarburizing and annealing the cold rolled steel sheet; cold rolling the decarburized and annealed steel sheet; and final annealing the cold rolled steel sheet.
    Type: Application
    Filed: December 8, 2014
    Publication date: September 21, 2017
    Inventors: Hyun-Seok KO, Kyu-Seok HAN, Hyung-Ki PARK, Jin-Wook SEO, Jae-Soo LIM, Hyung Don JOO
  • Patent number: 9384701
    Abstract: A backlight driver and a liquid crystal display (LCD) including the same, in which the backlight driver includes an interface unit enabled in response to a first carry signal, receiving serially provided optical data, and outputting a second carry signal; and a plurality of control units controlling one or more light-emitting devices in response to the serially provided optical data.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: July 5, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki-Chan Lee, Dong-Won Park, Hyun-Seok Ko
  • Publication number: 20160189684
    Abstract: A display device includes an external image processing set and a display assembly configured to receive converted image data from the external image processing set and display an image corresponding to the converted image data. The display assembly includes a dynamic capacitance compensation lookup table storage unit which stores therein a dynamic capacitance compensation lookup table, and the external image processing set includes a memory which receives the dynamic capacitance compensation lookup table from the display assembly and stores therein the received dynamic capacitance compensation lookup table, and a graphic processing unit which outputs converted image data in which current frame data has undergone dynamic capacitance compensation based on the stored dynamic capacitance compensation lookup table, the current frame data and previous frame data.
    Type: Application
    Filed: June 8, 2015
    Publication date: June 30, 2016
    Inventors: Hyun-Seok Ko, Jin Kyu Park, Whee Won Lee, Sang Su Han
  • Patent number: 9317975
    Abstract: A three-dimensional image display apparatus includes a panel including a plurality of pixels and which displays an image, a relative viewer angle determining part which determines a relative viewer angle, where the relative viewer angle is a relative angle of a viewer with respect to the panel, and a light converting part which transmits the image on the panel to a left eye and a right eye of the viewer based on the relative viewer angle, where the light converting part includes a plurality of light converting units which is arranged substantially in a matrix form and generates a pattern.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: April 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gyeong-Ub Moon, Hyun-Seok Ko
  • Patent number: 9305501
    Abstract: A method to drive a display device includes: transmitting at least one data voltage to one or more of a plurality of data lines, scanning one or more of a plurality of gate lines to enable transmission of a gate signal in association with a first frame of a first hold section of a first still image section associated with display of a still image, and scanning one or more of the plurality of gate lines to enable transmission of the gate signal every frame of a first refresh section. The first still image section comprises the first refresh section.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: April 5, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Jun Choi, Hyun Seok Ko, Po-Yun Park, Min Joo Lee, Jung-Hwan Cho
  • Patent number: 9251756
    Abstract: A display device includes: a display panel configured to display an image; and a signal controller configured to control signals to drive the display panel. The signal controller includes: an image data converter configured to convert image data of “m” bits into image data of “n” bits; a gray voltage generator configured to generate a gray voltage corresponding to the image data of “n” bits; a control signal generator configured to generate a gate control signal; and a luminance change controller configured to control a luminance change period of an image displayed via the display panel to be greater than or equal to one second.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: February 2, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Jun Choi, Hyun Seok Ko, Po-Yun Park, Min Joo Lee, Youn Jin Jung, Jung Hwan Cho
  • Patent number: 9196184
    Abstract: Provided is a method of driving a display panel, including: outputting first data voltages representing a left-eye image or a right-eye image to first signal lines among a plurality of signal lines of the display panel during a first period of a frame for rendering the left-eye or right-eye image of a three-dimensional (3D) image; outputting second data voltages representing the left-eye image or right-eye image for second signals among the plurality of signal lines of the display panel during a second period of the frame for rendering the left-eye or right-eye image of the 3D image; and stopping the data voltages from being outputted to the display panel during a third period of the frame.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: November 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyeong-Ub Moon, Hyun-Seok Ko, Jung-Hwan Cho
  • Patent number: 9173275
    Abstract: Provided is an alarm clock integrated with a lamp and a method for controlling an operation of a lamp by the same, and the alarm clock integrated with the lamp further includes a luminance sensor (181) and a sensor connection unit (182), the microcomputer (120) outputs a sensor operation control signal to a sensor connection unit (182) at a lamp operation time set by a lamp operation time setting unit (111), compares a current luminance value input from a luminance sensor (110) and an initial operation luminance value of a lamp (140) stored therein after a luminance sensor (181) is operated, and outputs a pulse control signal to the lamp current adjustment unit (150) so as to change an output of the lamp (140) so that a luminance value of the lamp (140) is changed to a set luminance value when the initial operation luminance value is smaller than the current luminance value.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: October 27, 2015
    Inventors: Jae-Chun Go, In Seok Ko, Hyun Seok Ko
  • Publication number: 20150230318
    Abstract: Provided is an alarm clock integrated with a lamp and a method for controlling an operation of a lamp by the same, and the alarm clock integrated with the lamp further includes a luminance sensor (181) and a sensor connection unit (182), the microcomputer (120) outputs a sensor operation control signal to a sensor connection unit (182) at a lamp operation time set by a lamp operation time setting unit (111), compares a current luminance value input from a luminance sensor (110) and an initial operation luminance value of a lamp (140) stored therein after a luminance sensor (181) is operated, and outputs a pulse control signal to the lamp current adjustment unit (150) so as to change an output of the lamp (140) so that a luminance value of the lamp (140) is changed to a set luminance value when the initial operation luminance value is smaller than the current luminance value.
    Type: Application
    Filed: September 24, 2013
    Publication date: August 13, 2015
    Inventors: Jae-chun GO, In Seok KO, Hyun Seok KO
  • Patent number: 9092222
    Abstract: A three-dimensional (“3D”) image display includes a signal controller which receives two-dimensional (“2D”) image information and 3D image information and generates control signals based on the 2D image information and the 3D image information, a clock generator which receives the control signals from the signal controller and generates a first clock signal corresponding to the 3D image information and a second clock signal corresponding to the 2D image information, and a gate driver which generates a gate-on voltage based on at least one of the first clock signal and the second clock signal, where a frequency of the second clock signal is lower than a frequency of the first clock signal and an amplitude of the second clock signal is less than an amplitude of the first clock signal.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: July 28, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Hoon Lee, Byoung-Jun Lee, Hyun-Seok Ko
  • Publication number: 20150035877
    Abstract: A backlight driver and a liquid crystal display (LCD) including the same, in which the backlight driver includes an interface unit enabled in response to a first carry signal, receiving serially provided optical data, and outputting a second carry signal; and a plurality of control units controlling one or more light-emitting devices in response to the serially provided optical data.
    Type: Application
    Filed: October 21, 2014
    Publication date: February 5, 2015
    Inventors: Ki-Chan Lee, Dong-Won Park, Hyun-Seok Ko
  • Patent number: 8902148
    Abstract: A backlight driver and a liquid crystal display (LCD) including the same, in which the backlight driver includes an interface unit enabled in response to a first carry signal, receiving serially provided optical data, and outputting a second carry signal; and a plurality of control units controlling one or more light-emitting devices in response to the serially provided optical data.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: December 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki-chan Lee, Dong-won Park, Hyun-seok Ko
  • Publication number: 20140307003
    Abstract: A display device includes: a display panel configured to display an image; and a signal controller configured to control signals to drive the display panel. The signal controller includes: an image data converter configured to convert image data of “m” bits into image data of “n” bits; a gray voltage generator configured to generate a gray voltage corresponding to the image data of “n” bits; a control signal generator configured to generate a gate control signal; and a luminance change controller configured to control a luminance change period of an image displayed via the display panel to be greater than or equal to one second.
    Type: Application
    Filed: September 12, 2013
    Publication date: October 16, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yong-Jun CHOI, Hyun Seok Ko, Po-Yun Park, Min Joo Lee, Youn Jin Jung, Jung Hwan Cho
  • Publication number: 20140146040
    Abstract: A three-dimensional image display apparatus includes a panel including a plurality of pixels and which displays an image, a relative viewer angle determining part which determines a relative viewer angle, where the relative viewer angle is a relative angle of a viewer with respect to the panel, and a light converting part which transmits the image on the panel to a left eye and a right eye of the viewer based on the relative viewer angle, where the light converting part includes a plurality of light converting units which is arranged substantially in a matrix form and generates a pattern.
    Type: Application
    Filed: August 16, 2013
    Publication date: May 29, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Gyeong-Ub MOON, Hyun-Seok KO