Patents by Inventor In Cheol Yun

In Cheol Yun 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: 10487477
    Abstract: The present invention relates to an apparatus and method for controlling a construction machine. An apparatus for controlling a construction machine according to an embodiment of the present invention may compare a fuel efficiency gain expected when engine revolutions per minute (RPM) is decreased with a fuel efficiency gain expected when a current torque curve is changed to a torque curve corresponding to a condition in which auxiliary power is provided and selected from among the plurality of torque curves and then the latter torque curve is selectively applied, based on the fuel efficiency map, and may control an engine by means of a method by which a larger fuel efficiency gain is expected.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: November 26, 2019
    Assignee: DOOSAN INFRACORE CO., LTD.
    Inventors: Hong Cheol Yun, Byoung Heon Park
  • Publication number: 20190349545
    Abstract: An image sensor is provided. The image sensor includes a pixel configured to generate a reset signal and an image signal, a comparator configured to compare the reset signal with a reference signal and generate a first comparison signal, a counter configured to generate a first count value corresponding to the reset signal based on a clock signal and the first comparison signal, and a reference signal generator configured to generate the reference signal which changes between a first level corresponding to a maximum reset count value of the counter and a second level corresponding to a minimum reset count value of the counter during a reset signal period.
    Type: Application
    Filed: July 22, 2019
    Publication date: November 14, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung Min KOH, Jae Jin Jung, Moo Young Kim, Jae Cheol Yun, Seung Jin Lee
  • Patent number: 10439009
    Abstract: An organic light emitting display device includes a substrate, a pixel structure, and a touch sensor electrode. The substrate includes a sub-pixel region and a transparent region. The pixel structure is disposed in the sub-pixel region on the substrate. The touch sensor electrode is disposed in the transparent region on the substrate.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: October 8, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Lyong Bok, Yong-Han Park, Cheol-Yun Jeong
  • Patent number: 10362253
    Abstract: An image sensor is provided. The image sensor includes a pixel configured to generate a reset signal and an image signal, a comparator configured to compare the reset signal with a reference signal and generate a first comparison signal, a counter configured to generate a first count value corresponding to the reset signal based on a clock signal and the first comparison signal, and a reference signal generator configured to generate the reference signal which changes between a first level corresponding to a maximum reset count value of the counter and a second level corresponding to a minimum reset count value of the counter during a reset signal period.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: July 23, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung Min Koh, Jae Jin Jung, Moo Young Kim, Jae Cheol Yun, Seung Jin Lee
  • Publication number: 20190186032
    Abstract: The present invention relates to a composition for cobalt plating and a method for forming metal wiring using the same, and more particularly, a composition for cobalt plating comprising a cobalt salt; a chloride or a hydrochloric acid; boric acid; a carbonaceous material; and other additives, and a method for forming a metal wiring using the same, in which the composition for cobalt plating is plated onto a substrate to suppress the thermal expansion of the metal caused by high-temperature processes to achieve excellent high-temperature stability, thereby resulting in prevention of deformation of a substrate even in the absence of any structural modification of the substrate or additional processing.
    Type: Application
    Filed: December 12, 2018
    Publication date: June 20, 2019
    Inventors: Hee Jeong RYU, Wan Joong KIM, Jong Cheol YUN, Min Jung JANG
  • Patent number: 10325971
    Abstract: A display device includes a substrate, a semiconductor layer on the substrate, a gate insulating layer on the semiconductor layer and having one or more first openings, a gate electrode on the gate insulating layer, a first capacitor electrode on the gate insulating layer, a first interlayer insulating layer on the first capacitor electrode and having one or more second openings, a second capacitor electrode on the first interlayer insulating layer, a source electrode and a drain electrode connected with the semiconductor layer, and a light emitting diode connected with the drain electrode. The first capacitor electrode includes one or more protrusions in the first openings of the gate insulating layer and correspond to a shape of the first openings, and the second capacitor electrode includes one or more protrusions in the second openings of the first interlayer insulating layer and correspond to a shape of the second openings.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: June 18, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Cheol Yun Jeong, Hee June Kwak, Ju Ae Youn
  • Patent number: 10312935
    Abstract: There is provided a digital data compression device including a domain converter configured to perform frequency domain conversion on input digital I/Q data and output coefficient data corresponding to the digital I/Q data; a data converter configured to receive the coefficient data output from the domain converter and convert the input coefficient data of Cartesian coordinates into coefficient data of polar coordinates; and a quantizer configured to quantize the coefficient data of the polar coordinates output from the data converter.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: June 4, 2019
    Assignee: SOLiD, INC.
    Inventors: Hee Cheol Yun, Seung Rog Choi, Sun Keun Yu, Tae Hyeong Kim
  • Publication number: 20190161877
    Abstract: The present invention relates to a additives for electroplating and a copper plating composition comprising the same. Excellently smooth plated surfaces with minimized defects can be obtained when a feature formed on a substrate are plated by using the copper plating composition.
    Type: Application
    Filed: July 19, 2018
    Publication date: May 30, 2019
    Inventors: Jong Cheol YUN, Wan Joong KIM, Hee Jeong RYU
  • Publication number: 20190161878
    Abstract: The present invention relates to a leveling agent and electroplating composition comprising the same. When features are plated using the electroplating composition of the present invention, excellently leveled plated surfaces with minimized defects may be obtained.
    Type: Application
    Filed: November 15, 2018
    Publication date: May 30, 2019
    Inventors: Min Jung JANG, Jong Cheol YUN, Wan Joong KIM, Hee Jeong RYU, Seung Min PARK
  • Patent number: 10205905
    Abstract: An image sensor includes a pixel array in which a plurality of pixels, first and second row selection lines separated from each other, and first and second column lines separated from each other are disposed and a column selecting circuit configured to connect the first and second column lines using a column selection signal. The pixel array includes a first pixel which is connected to the first row selection line and the first column line and a second pixel which is disposed in the same row as the first pixel and connected to the second row selection line and the second column line.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: February 12, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyoung-Min Koh, Ju-Hyun Ko, Han Yang, Jae-Cheol Yun, Kwang-Hyun Lee, Seon-Ju Lee
  • Patent number: 10200645
    Abstract: An image sensor is disclosed. The image sensor includes a plurality of pixels, a switch circuit coupled to the pixels and configured to substantially simultaneously output signals output only from pixels having similar characteristics among the pixels in response to a control signal; and a comparison circuit configured to convert the signals output from the switch circuit into digital signals. The pixels having similar characteristics are located across among the plurality of pixels.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: February 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyoung Min Koh, Ju Ha Kim, Jae Cheol Yun
  • Publication number: 20180262206
    Abstract: There is provided a digital data compression device including a domain converter configured to perform frequency domain conversion on input digital I/Q data and output coefficient data corresponding to the digital I/Q data; a data converter configured to receive the coefficient data output from the domain converter and convert the input coefficient data of Cartesian coordinates into coefficient data of polar coordinates; and a quantizer configured to quantize the coefficient data of the polar coordinates output from the data converter.
    Type: Application
    Filed: March 7, 2016
    Publication date: September 13, 2018
    Applicant: SOLiD, INC.
    Inventors: Hee Cheol YUN, Seung Rog CHOI, Sun Keun YU, Tae Hyeong KIM
  • Patent number: 10029630
    Abstract: A device for displaying fuel efficiency including: a plurality of sensors; an alternator; an engine control unit; a display unit configured to include at least one of an eco symbol displaying an instant amount of operation load, an eco gauge displaying average fuel efficiency, and a fuel efficiency system displaying instant fuel efficiency or average fuel efficiency; an equipment control unit configured to determine a current state of equipment, change and display the eco symbol of the display unit according to the current state of the equipment, calculate average fuel efficiency by using instant fuel efficiency and torque data calculated by the engine control unit, and display the calculated average fuel efficiency or instant fuel efficiency through the eco gauge and the fuel efficiency system of the display unit; and a memory unit configured to store the instant fuel efficiency and the average fuel efficiency.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: July 24, 2018
    Assignee: DOOSAN INFRACORE CO., LTD.
    Inventors: Jeong Kwon Jang, Hong Cheol Yun
  • Publication number: 20180195254
    Abstract: The present invention relates to an apparatus and method for controlling a construction machine. An apparatus for controlling a construction machine according to an embodiment of the present invention may compare a fuel efficiency gain expected when engine revolutions per minute (RPM) is decreased with a fuel efficiency gain expected when a current torque curve is changed to a torque curve corresponding to a condition in which auxiliary power is provided and selected from among the plurality of torque curves and then the latter torque curve is selectively applied, based on the fuel efficiency map, and may control an engine by means of a method by which a larger fuel efficiency gain is expected.
    Type: Application
    Filed: July 1, 2016
    Publication date: July 12, 2018
    Inventors: Hong Cheol YUN, Byoung Heon PARK
  • Publication number: 20180171592
    Abstract: The present invention relates to a control device and control method for a construction machine. A control device and control method for a construction machine according to the embodiments of the present invention can determine a need for the operation of the alternator by taking into account required electrical energy and the current charge amount of a battery when auxiliary power is received from the auxiliary power device, and can thus decrease an engine RPM in a situation in which power generation is not required, thereby improving the fuel efficiency of a construction machine.
    Type: Application
    Filed: June 8, 2016
    Publication date: June 21, 2018
    Inventors: Hong Cheol YUN, Byoung Heon PARK
  • Patent number: 9978313
    Abstract: An organic light emitting diode display includes a semiconductor pattern which includes a plurality of channel regions. A first gate insulating layer is on the semiconductor pattern, a first gate conductive layer is on the first gate insulating layer, a second gate insulating layer is on the first gate conductive layer, and a second gate conductive layer is on the second gate insulating layer. The channel regions include a first channel region that overlaps the first gate conductive layer and a second channel region that does not overlap the first gate conductive layer. The first channel region and the second channel region have different doping concentrations.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: May 22, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol Yun Jeong, Jong Hyun Choi
  • Publication number: 20180131887
    Abstract: An image sensor includes a pixel array in which a plurality of pixels, first and second row selection lines separated from each other, and first and second column lines separated from each other are disposed and a column selecting circuit configured to connect the first and second column lines using a column selection signal. The pixel array includes a first pixel which is connected to the first row selection line and the first column line and a second pixel which is disposed in the same row as the first pixel and connected to the second row selection line and the second column line.
    Type: Application
    Filed: January 3, 2018
    Publication date: May 10, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyoung-Min Koh, Ju-Hyun Ko, Han Yang, Jae-Cheol Yun, Kwang-Hyun Lee, Seon-Ju Lee
  • Publication number: 20180102398
    Abstract: A display device includes a substrate, a semiconductor layer on the substrate, a gate insulating layer on the semiconductor layer and having one or more first openings, a gate electrode on the gate insulating layer, a first capacitor electrode on the gate insulating layer, a first interlayer insulating layer on the first capacitor electrode and having one or more second openings, a second capacitor electrode on the first interlayer insulating layer, a source electrode and a drain electrode connected with the semiconductor layer, and a light emitting diode connected with the drain electrode. The first capacitor electrode includes one or more protrusions in the first openings of the gate insulating layer and correspond to a shape of the first openings, and the second capacitor electrode includes one or more protrusions in the second openings of the first interlayer insulating layer and correspond to a shape of the second openings.
    Type: Application
    Filed: October 2, 2017
    Publication date: April 12, 2018
    Inventors: CHEOL YUN JEONG, Hee June Kwak, Ju Ae Youn
  • Publication number: 20170347045
    Abstract: Provided are an image sensor and a method of driving the same. The image sensor includes n optical black pixels which are arranged in the same horizontal line; and m comparators which are matched with the n optical black pixels, wherein n is a natural number greater than or equal to two, and m is a natural number greater than n.
    Type: Application
    Filed: August 17, 2017
    Publication date: November 30, 2017
    Inventors: Kyoung-Min KOH, Kwang-Hyun LEE, Ju-Ha KIM, Han YANG, Jae-Cheol YUN
  • Patent number: 9769402
    Abstract: Provided are an image sensor and a method of driving the same. The image sensor includes n optical black pixels which are arranged in the same horizontal line; and m comparators which are matched with the n optical black pixels, wherein n is a natural number greater than or equal to two, and m is a natural number greater than n.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung-Min Koh, Kwang-Hyun Lee, Ju-Ha Kim, Han Yang, Jae-Cheol Yun