Patents by Inventor You-Jin Lee

You-Jin 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).

  • Publication number: 20170116072
    Abstract: The present invention relates to to an IEC 61850 information-based agent system for intelligent system management by a digital substation and an operation method therefor. To this end, an operating system-side agent device for sharing switch information, which is used in automatic recovery of a digital substation, between an operating system and an intelligent electronic device (IED) in the digital substation, the device including: a request unit requesting the switch information from an intelligent electronic device-side agent device mounted in the intelligent electronic device (IED); and a communication unit receiving the switch information from the intelligent electronic device-side agent device, the switch information being collected by the intelligent electronic device-side agent device, wherein the operating system-side agent device is provided as a module, and is mounted in the operating system.
    Type: Application
    Filed: June 1, 2015
    Publication date: April 27, 2017
    Inventors: Nam-Ho LEE, Byung-Tae JANG, Yong-Ho AN, Jeong-Yeol HAN, You-Jin LEE, Jong-Kee CHOI, Seok-Kon KIM
  • Publication number: 20150370135
    Abstract: Provided are a liquid crystal display device and a method for driving same. The liquid crystal display device comprises the liquid crystal display device in a PVA mode, an LVA mode, an FFS mode, and in an IPS mode. The liquid crystal display device comprises 1 to 50 wt % of an achiral smectic liquid crystal, and a remainder of a nematic liquid crystal. The liquid crystal device comprises 3 to 50 wt % of a smectic liquid crystal and a remainder of the nematic liquid crystal, wherein the smectic liquid crystal comprises a liquid crystal layer, comprising 70 to 97 wt % of an achiral smectic liquid crystal, and 3 to 30 et % of a chiral smectic liquid crystal.
    Type: Application
    Filed: June 25, 2013
    Publication date: December 24, 2015
    Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Jae-Hoon KIM, You-Jin LEE
  • Publication number: 20150330008
    Abstract: A washing machine is disclosed. The washing machine includes a sensing unit to sense various kinds of inputs, an output unit to display an operation state of the washing machine, a door display unit disposed at a door to display a light pattern, a memory to store a plurality of input information corresponding to a plurality of commands, and a controller to determine whether the sensed input matches with any one of the input information when the sensing unit senses an external input, and control at least one of the output unit and the door display unit to be driven in response to the matched input information.
    Type: Application
    Filed: December 27, 2013
    Publication date: November 19, 2015
    Inventors: Jeong Hwa YANG, Ja Hee SOHN, You Jin LEE
  • Patent number: 9191641
    Abstract: A method and an apparatus for providing a virtual channel service are disclosed. The method includes maintaining a contents list recorded in a personal video recorder and a virtual channel information, determining a playback order of recorded contents included in the list in accordance with a preset algorithm, and playing back in sequence the recorded contents through a predetermined virtual channel. As a result, a user may approach easily to the recorded contents.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: November 17, 2015
    Assignee: Alticast Corporation
    Inventors: You-Jin Lee, Sung-Woo Nam, Tae-Min Ahn, Hyo-Geun Wang, Hyun-Kyu Lee, Ji-Won Choi
  • Publication number: 20150290714
    Abstract: Provided is a manufacturing method of uniformly spherical gold nanoparticles using a synthesis method for controlling a size and a shape by repeating an etching and growing.
    Type: Application
    Filed: November 14, 2014
    Publication date: October 15, 2015
    Inventors: Gaehang Lee, Gi-Ra Yi, You-Jin Lee, Dong Kwan Kim
  • Publication number: 20150198855
    Abstract: Provided are a liquid crystal display device and a method for driving same. The liquid crystal display device comprises the liquid crystal display device in a PVA mode, an LVA mode, an FFS mode, and in an IPS mode. The liquid crystal display device comprises a liquid crystal layer, which comprises a negative nematic liquid crystal, a positive nematic liquid crystal, and a ferroelectric liquid crystal. The liquid crystal display device comprises a non-ferroelectric liquid crystal and the ferroelectric liquid crystal.
    Type: Application
    Filed: June 25, 2013
    Publication date: July 16, 2015
    Inventors: Jae-Hoon Kim, You-Jin Lee
  • Publication number: 20150193558
    Abstract: The present invention relates to a method and device for generating an engineering topology of a digital substation. The method may include: generating, by a single line diagram generation module, a single line diagram of the digital substation based on input information regarding a plurality of substation component devices and connection relations therebetween; converting, by a topology conversion module, the single line diagram of the digital substation into an engineering topology conforming to international standards by use of conversion conditions stored in a topology component management module; verifying, by a topology verification module, whether the engineering topology is suitable for the digital substation based on the international standards; and generating, by an international standard file generation module, a single line diagram engineering file of the digital substation as a system specification description (SSS) by use of the verified engineering topology.
    Type: Application
    Filed: March 19, 2013
    Publication date: July 9, 2015
    Applicant: KOREA ELECTRIC POWER CORPORATION
    Inventors: Byung Tae Jang, Nam Ho Lee, Yong Ho An, Jong Kee Choi, Jeong Yeol Han, You Jin Lee, Eung Bo Shim, Dong Il Lee
  • Publication number: 20150191650
    Abstract: A liquid crystal composition is disclosed. The liquid crystal composition includes a negative nematic liquid crystal, a positive nematic liquid crystal, and a ferroelectric liquid crystal.
    Type: Application
    Filed: June 25, 2013
    Publication date: July 9, 2015
    Inventors: Jae-Hoon Kim, You-Jin Lee
  • Publication number: 20150137036
    Abstract: Provided is a liquid crystal composition. The liquid crystal composition includes 1 to 50 wt % of an achiral smectic liquid crystal, and a remaining amount of a nematic liquid crystal. The nematic liquid crystal includes a negative nematic liquid crystal.
    Type: Application
    Filed: June 25, 2013
    Publication date: May 21, 2015
    Inventors: Jae-Hoon Kim, You-Jin Lee
  • Patent number: 8856831
    Abstract: Disclosed a method and apparatus for providing received broadcast data in a digital broadcasting system. The apparatus for controlling a screen configuration in a digital broadcasting receiver includes: a data reception/conversion unit for receiving head-end-side data including configuration data of lattice-type moving picture contents sent through a broadcasting network, and converting the received data into content screen configuration data; and a content screen configuration unit for editing content screen configuration data converted by the data reception/conversion unit, disposing the content screen configuration data according to each category in a display means of a user terminal, and performing a control operation such that the first category and the last category among multiple categories displayed through the display means are cyclically connected and displayed.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: October 7, 2014
    Assignee: Alticast Corp.
    Inventors: Tae-Min Ahn, Hoon Cho, You-Jin Lee
  • Patent number: 8149362
    Abstract: A liquid crystal display (LCD) device having an alignment film of which pretilt angle and azimuthal angle can be adjusted without ultraviolet irradiation and a method for fabricating the LCD device are provided. A liquid crystal display having a thin film transistor substrate and a color filter substrate facing each other and a liquid crystal layer sealed between the substrates includes a first alignment film having a pattern which defines a first and second alignment domains on the thin film transistor substrate and a second alignment film formed on the color filter substrate.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: April 3, 2012
    Assignee: Industry-University Cooperation Foundation Hanyang University
    Inventors: Jae Hoon Kim, You Jin Lee, Hak Rin Kim, Jong Wook Jung
  • Patent number: 7801577
    Abstract: A battery cover grounding device for a portable terminal including a metallic battery cover is provided. The grounding device includes a grounding member installed on the terminal to be connected to a grounding surface of the terminal and to be in contact with the battery cover. The grounding member has a cover protrusion formed on the battery cover and a grounding protrusion attached to the terminal to contact the cover protrusion. In this manner, the metallic battery cover is connected to the grounding surface of the terminal to minimize the possibility of current leakage, to improve the stability of the operation of the terminal, and to minimize potential malfunctions of the terminal due to static electricity.
    Type: Grant
    Filed: May 9, 2007
    Date of Patent: September 21, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: You-Jin Lee
  • Publication number: 20100125874
    Abstract: Disclosed a method and apparatus for providing received broadcast data in a digital broadcasting system. The apparatus for controlling a screen configuration in a digital broadcasting receiver includes: a data reception/conversion unit for receiving head-end-side data including configuration data of lattice-type moving picture contents sent through a broadcasting network, and converting the received data into content screen configuration data; and a content screen configuration unit for editing content screen configuration data converted by the data reception/conversion unit, disposing the content screen configuration data according to each category in a display means of a user terminal, and performing a control operation such that the first category and the last category among multiple categories displayed through the display means are cyclically connected and displayed.
    Type: Application
    Filed: November 16, 2009
    Publication date: May 20, 2010
    Applicant: ALTICAST CORP.
    Inventors: Tae-Min AHN, Hoon CHO, You-Jin LEE
  • Publication number: 20090254963
    Abstract: A method and an apparatus for providing a virtual channel service are disclosed. The method includes maintaining a contents list recorded in a personal video recorder and a virtual channel information, determining a playback order of recorded contents included in the list in accordance with a preset algorithm, and playing back in sequence the recorded contents through a predetermined virtual channel. As a result, a user may approach easily to the recorded contents.
    Type: Application
    Filed: April 8, 2009
    Publication date: October 8, 2009
    Applicant: ALTICAST CORPORATION
    Inventors: You-Jin Lee, Sung-Woo Nam, Tae-Min Ahn, Hyo-Geun Wang, Hyun-Kyu Lee, Ji-Won Choi
  • Publication number: 20080316407
    Abstract: A liquid crystal display (LCD) device having an alignment film of which pretilt angle and azimuthal angle can be adjusted without ultraviolet irradiation and a method for fabricating the LCD device are provided. A liquid crystal display having a thin film transistor substrate and a color filter substrate facing each other and a liquid crystal layer sealed between the substrates includes a first alignment film having a pattern which defines a first and second alignment domains on the thin film transistor substrate and a second alignment film formed on the color filter substrate.
    Type: Application
    Filed: January 17, 2007
    Publication date: December 25, 2008
    Inventors: Jae Hoon Kim, You Jin Lee, Hak Rin Kim, Jong Wook Jung
  • Publication number: 20080102351
    Abstract: A battery cover grounding device for a portable terminal including a metallic battery cover is provided. The grounding device includes a grounding member installed on the terminal to be connected to a grounding surface of the terminal and to be in contact with the battery cover. The grounding member has a cover protrusion formed on the battery cover and a grounding protrusion attached to the terminal to contact the cover protrusion. In this manner, the metallic battery cover is connected to the grounding surface of the terminal to minimize the possibility of current leakage, to improve the stability of the operation of the terminal, and to minimize potential malfunctions of the terminal due to static electricity.
    Type: Application
    Filed: May 9, 2007
    Publication date: May 1, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: You-Jin Lee
  • Patent number: 6117501
    Abstract: A liquid crystal composition obtained by mixing a phenylalkyl dioxaborinane derivative, an isothiocyanate derivative, a tolan derivative and a pyrimidine-phenyl derivative in an appropriate ratio, and a liquid crystal display using the same are provided. The liquid crystal composition reveals a nematic phase at a wide range of a temperature including room temperature and having optical anisotropies and dielectric anisotropies of various magnitudes. Also, a twisted nematic (TN) type liquid crystal display manufactured using the liquid crystal composition can be driven in a multiplexed manner.
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: September 12, 2000
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Sung-han Kim, You-jin Lee, Moo-jong Lim, Dong-jin Jeong, Kee-han Uh, Vladimir S. Bezborodov, Valery I. Lapanik
  • Patent number: D700618
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: March 4, 2014
    Assignee: LG Electronics Inc.
    Inventors: Kyung Eun Hwang, Jung Hyun Lee, You Jin Lee