Patents by Inventor Jung-hyeon Kim

Jung-hyeon Kim 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: 10459393
    Abstract: Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, a first lever provided at the printing media cassette, a second lever provided in the apparatus body, the second lever being coupled to the first lever, turning, and being separated from the first lever when the printing media cassette is closed.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: October 29, 2019
    Assignee: HP PRINTING KOREA CO., LTD.
    Inventors: Myung Sik Kwon, Yury Telegin, Young Goo Kang, Jung Hyeon Kim, Leonid Chechurin
  • Patent number: 10437191
    Abstract: Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, and at least one lever movably disposed in the apparatus body, the lever contacting the printing media cassette to pull the printing media cassette into the apparatus body and then being separated from the printing media cassette when the printing media cassette is closed.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: October 8, 2019
    Assignee: HP PRINTING KOREA CO., LTD.
    Inventors: Myung Sik Kwon, Leonid Chechurin, Jung Hyeon Kim, Yury Telegin, Dong Ho Kim
  • Publication number: 20190232227
    Abstract: A filter structure for chemical solution used in manufacturing an integrated circuit includes: a first membrane structure comprising a plurality of membrane units, each comprising a cathode comprising a plurality of first openings, an anode comprising a plurality of second openings, and an insulating layer between the cathode and the anode; and a filter housing configured to receive the first membrane structure therein, the filter housing comprising an inlet through which the chemical solution is introduced and an outlet through which the chemical solution is discharged. The first membrane structure is configured such that when an electric field is applied between the cathode and the anode while the chemical solution introduced through the inlet passes through the first membrane structure, impurities having both positively charged particles and negatively charged particles in the chemical solution are trapped in the first membrane structure.
    Type: Application
    Filed: September 5, 2018
    Publication date: August 1, 2019
    Inventors: Cha-won Koh, Oleg Feygenson, Jung-hyeon Kim, Hyun-woo Kim, Eun-sung Kim
  • Patent number: 10339861
    Abstract: An organic light emitting diode display device according to an embodiment includes pixels each configured with an organic light emitting diode and a driving switch used to control a current flowing through the organic light emitting diode. The organic light emitting diode display device compensates a deterioration property of the organic light emitting diode after properties of the driving switch is compensated. As such, the deterioration property of the organic light emitting diode can be maximally reflected to a sensing data. In accordance therewith, the deterioration property of the organic light emitting diode can be accurately compensated.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: July 2, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Tae Gung Kim, Jung Hyeon Kim
  • Patent number: 10217418
    Abstract: An organic light emitting diode display device is disclosed which adjusts brightnesses and color temperatures of RGBW data signals and matches the brightnesses of organic light emitting diodes and the color temperature of a white organic light emitting diode with the target brightness value and the target color temperature of a white pixel. As such, an overcompensation and the reduction of a lifespan can be prevented. Also, relatively high brightness and color temperature can be maintained.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: February 26, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Tae Gung Kim, Jung Hyeon Kim
  • Patent number: 9898961
    Abstract: A data processing method and an apparatus for an organic light emitting diode (OLED) display device are provided.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: February 20, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Ui-Taek Jeong, Tae-Gung Kim, Jung-Hyeon Kim
  • Publication number: 20160342123
    Abstract: Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, and at least one lever movably disposed in the apparatus body, the lever contacting the printing media cassette to pull the printing media cassette into the apparatus body and then being separated from the printing media cassette when the printing media cassette is closed.
    Type: Application
    Filed: January 15, 2015
    Publication date: November 24, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myung Sik KWON, Leonid CHECHURIN, Jung Hyeon KIM, Yury TELEGIN, Dong Ho KIM
  • Publication number: 20160334745
    Abstract: Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, a first lever provided at the printing media cassette, a second lever provided in the apparatus body, the second lever being coupled to the first lever, turning, and being separated from the first lever when the printing media cassette is closed.
    Type: Application
    Filed: January 15, 2015
    Publication date: November 17, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myung Sik KWON, Yury TELEGIN, Young Goo KANG, Jung Hyeon KIM, Leonid CHECHURIN
  • Patent number: 9489888
    Abstract: A method of driving an organic light emitting display device includes sensing characteristics of driving TFTs of pixels to generate sensing data at a power-on time when the organic light emitting display device is powered on, merging initial compensation data and the sensing data at the power-on time to compensate for the characteristics of the driving TFTs of all the pixels, displaying an image in a driving mode and sequentially sensing characteristics of driving TFTs of a plurality of pixels in units of one horizontal line in real time during a blank interval between frames, and sequentially compensating for the characteristics of the driving TFTs of the pixels in units of one horizontal line in real time by using a real-time sensing data generated by real-time sensing.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: November 8, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Jung Hyeon Kim, Bum Sik Kim, Seung Tae Kim, Myung-Gi Lim
  • Publication number: 20160189625
    Abstract: An organic light emitting diode display device according to an embodiment includes pixels each configured with an organic light emitting diode and a driving switch used to control a current flowing through the organic light emitting diode. The organic light emitting diode display device compensates a deterioration property of the organic light emitting diode after properties of the driving switch is compensated. As such, the deterioration property of the organic light emitting diode can be maximally reflected to a sensing data. In accordance therewith, the deterioration property of the organic light emitting diode can be accurately compensated.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 30, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Tae Gung KIM, Jung Hyeon KIM
  • Publication number: 20160189634
    Abstract: An organic light emitting diode display device is disclosed which adjusts brightnesses and color temperatures of RGBW data signals and matches the brightnesses of organic light emitting diodes and the color temperature of a white organic light emitting diode with the target brightness value and the target color temperature of a white pixel. As such, an overcompensation and the reduction of a lifespan can be prevented. Also, relatively high brightness and color temperature can be maintained.
    Type: Application
    Filed: December 17, 2015
    Publication date: June 30, 2016
    Applicant: LG Display Co., Ltd.
    Inventors: Tae Gung KIM, Jung Hyeon KIM
  • Publication number: 20160073073
    Abstract: A portable terminal including a projector which projects a user interface (UI) onto an object, and a method of controlling the same. The portable terminal includes a display which displays a first UI and at least one projector which projects a second UI onto an object, and the at least one projector includes a light source which displays the second UI through a plurality of organic light-emitting diodes (OLEDs) and a lens which focuses light generated in the plurality of OLEDs and projects the light onto the object.
    Type: Application
    Filed: August 6, 2015
    Publication date: March 10, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung Su HA, Bong-Gyo SEO, Hee Yeon JEONG, Jung Hyeon KIM
  • Patent number: 9111489
    Abstract: Disclosed are an organic light emitting display device and a method of driving the same. The organic light emitting display device includes a display panel including a plurality of pixels including a pixel circuit for emitting light from an organic light emitting diode and a driving circuit unit driving the display panel. The driving method includes sensing a characteristic of a driving TFT of each of the pixels of the display panel to generate sensing data according to a user's setting using an input device, at a predetermined compensation driving time, or when an error occurs in sensing data generated by real-time sensing of each pixel of the display panel, and compensating for the characteristic of the driving TFT of each pixel by using the sensing data.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: August 18, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jeong Hyo Park, Bum Sik Kim, Jung Hyeon Kim
  • Publication number: 20150187259
    Abstract: A data processing method and an apparatus for an organic light emitting diode (OLED) display device are provided.
    Type: Application
    Filed: November 24, 2014
    Publication date: July 2, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ui-Taek Jeong, Tae-Gung Kim, Jung-Hyeon Kim
  • Patent number: 8934255
    Abstract: A casing to support a solid state device SSD therein and super capacitors therein to be electronically connected together.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: January 13, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyo-Jae Bang, Jung-Hyeon Kim
  • Publication number: 20140176400
    Abstract: Disclosed are an organic light emitting display device and a method of driving the same. The organic light emitting display device includes a display panel including a plurality of pixels including a pixel circuit for emitting light from an organic light emitting diode and a driving circuit unit driving the display panel. The driving method includes sensing a characteristic of a driving TFT of each of the pixels of the display panel to generate sensing data according to a user's setting using an input device, at a predetermined compensation driving time, or when an error occurs in sensing data generated by real-time sensing of each pixel of the display panel, and compensating for the characteristic of the driving TFT of each pixel by using the sensing data.
    Type: Application
    Filed: November 20, 2013
    Publication date: June 26, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jeong Hyo Park, Bum Sik Kim, Jung Hyeon Kim
  • Publication number: 20140176516
    Abstract: A method of driving an organic light emitting display device includes sensing characteristics of driving TFTs of pixels to generate sensing data at a power-on time when the organic light emitting display device is powered on, merging initial compensation data and the sensing data at the power-on time to compensate for the characteristics of the driving TFTs of all the pixels, displaying an image in a driving mode and sequentially sensing characteristics of driving TFTs of a plurality of pixels in units of one horizontal line in real time during a blank interval between frames, and sequentially compensating for the characteristics of the driving TFTs of the pixels in units of one horizontal line in real time by using a real-time sensing data generated by real-time sensing.
    Type: Application
    Filed: December 9, 2013
    Publication date: June 26, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jung Hyeon Kim, Bum Sik Kim, Seung Tae Kim, Myung-Gi Lim
  • Publication number: 20140160660
    Abstract: A casing to support a solid state device SSD therein and super capacitors therein to be electronically connected together.
    Type: Application
    Filed: December 10, 2012
    Publication date: June 12, 2014
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Hyo-Jae BANG, Jung-Hyeon KIM
  • Patent number: 8638936
    Abstract: The present invention relates to a method and system for the management of the mobility, the management of an idle mode, the registration management (management of attachment and detachment), and the location management (management of tracking area) of a terminal by using a non-access stratum (i.e., network stratum, hereinafter referred to as “NAS”) in a mobile telecommunication network. To this end, the method for the management of mobility, the management of an idle mode, the registration management, and the location management of a terminal by using a NAS protocol, i.e., messages, according to an embodiment of the present invention, includes a terminal (hereinafter, referred to as “UE”) and a mobility management entity (hereinafter, referred to as “MME”), and addresses to a method for efficiently processing security protected NAS messages if received messages are security protected NAS messages, in a case of sending or receiving messages serving as EMM (EPS Mobility Management) messages, i.e.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: January 28, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Joo Suh, Sung Ho Choi, Jung Hyeon Kim, Jae Chon Yu, Eun Hui Bae
  • Patent number: 8633405
    Abstract: A display device comprises: a display panel including a first insulating substrate and a second insulating substrate that is arranged so as to deviate from the first insulating substrate; and an intermediate frame, wherein the intermediate frame includes: side walls that are arranged so as to correspond to four side surface of the display panel; a mounting portion which protrudes from the side walls inward and on which the first insulating substrate is mounted; and a supporting protrusion that protrudes from the mounting portion to the second insulating substrate and is arranged below the second insulating substrate and on the side of the first insulating substrate.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: January 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Soo Shin, Jin-Yong Park, Jun-Hee Son, Jung-Hyeon Kim, Se-Ki Park