Patents by Inventor Chang-Hun Lee

Chang-Hun 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).

  • Patent number: 9773950
    Abstract: The present disclosure relates to a method for manufacturing a semiconductor device structure, comprising the steps of: securing the position of a semiconductor device on a plate; securing the positions of electrodes such that the electrodes face the plate; covering the semiconductor device with an encapsulating material; and separating, from the plate, the semiconductor device covered with the encapsulating material.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: September 26, 2017
    Assignee: CTLAB CO. LTD.
    Inventors: Chang Tae Kim, Jae Sung Ko, Seok Jung Kim, Chang Hun Lee
  • Patent number: 9746737
    Abstract: Provided is a liquid crystal display device including a first substrate on which a first alignment layer is formed, a second substrate on which a second alignment layer is formed, and a liquid crystal layer disposed between the first and second alignment layers and including liquid crystals of a helical structure in which a helical axis is parallel to the first and second substrates. At least one of the first and second alignment layers has a graduation distribution profile of a pretilt angle which ranges from about 0 degrees to about 90 degrees.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si-Heun Kim, Chang-Hun Lee, Jun-Woo Lee
  • Patent number: 9734994
    Abstract: Provided are a crystalline alloy having significantly better thermal stability than an amorphous alloy as well as glass-forming ability, and a method of manufacturing the crystalline alloy. The present invention also provides an alloy sputtering target that is manufactured by using the crystalline alloy, and a method of manufacturing the alloy target. According to an aspect of the present invention, provided is a crystalline alloy having glass-forming ability which is formed of three or more elements having glass-forming ability, wherein the average grain size of the alloy is in a range of 0.1 ?m to 5 ?m and the alloy includes 5 at % to 20 at % of aluminum (Al), 15 at % to 40 at % of any one or more selected from copper (Cu) and nickel (Ni), and the remainder being zirconium (Zr).
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: August 15, 2017
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Seung-Yong Shin, Kyoung-Il Moon, Ju-Hyun Sun, Chang-Hun Lee
  • Publication number: 20170146864
    Abstract: An apparatus for manufacturing a display device includes: a stage on which a substrate to be processed is supported, the substrate to be processed including a first alignment layer of the display device; an optical system facing the substrate to be processed which is supported on the stage, the optical system including a light source which irradiates ultraviolet rays to the substrate to be processed; and a mask which is interposed between the light source and the substrate to be processed which includes the first alignment layer of the display device. The mask defines: a transmitting portion thereof through which the ultraviolet rays irradiated from the light source are transmitted to the first alignment layer of the substrate to be processed, and a blocking portion thereof which blocks transmission of the ultraviolet rays irradiated from the light source to the substrate to be processed.
    Type: Application
    Filed: June 1, 2016
    Publication date: May 25, 2017
    Inventors: Mi Hwa LEE, Min Hee KIM, Soo Jung YOUN, Chang Hun LEE, Sung Hwan HONG
  • Publication number: 20170112972
    Abstract: Provided herein are compositions and methods for forming fibrochondrocytes or fibrochondrocyte-like cells from progenitor cells, such as mesenchymal stem cells. One aspect provides a fibrochondrocyte culture medium including CTGF and TGF?3, optionally encapsulated by microspheres having different release profiles. Another aspect provides a method for forming fibrochondrocytes or fibrochondrocyte-like cells from progenitor cells by culturing with CTGF and TGF?3.
    Type: Application
    Filed: November 7, 2016
    Publication date: April 27, 2017
    Applicant: The Trustees of Columbia University in the City of New York
    Inventors: Jeremy J. Mao, Chang Hun Lee
  • Patent number: 9568798
    Abstract: A liquid crystal display includes: a first substrate; a gate line on the first substrate; a gate insulating layer on the gate line; a semiconductor layer on the gate insulating layer; a data line and a drain electrode on the semiconductor layer; a passivation layer covering the data line and the drain electrode; a common electrode on the passivation layer; an interlayer insulating layer on the common electrode; a pixel electrode on the interlayer insulating layer; an additional insulating layer on the pixel electrode; a second substrate opposite to the first substrate; and a black matrix on the second substrate, and including a vertical portion covering the data line and a horizontal portion covering the gate line and the drain electrode, where an empty portion is defined through the additional insulating layer in a portion corresponding to the black matrix.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Hun Lee, Keun Chan Oh
  • Patent number: 9562193
    Abstract: A liquid crystal display includes: a first insulation substrate; a gate line and a data line formed on the first insulation substrate; a first electrode and a second electrode formed on the gate line and the data line and overlapping each other via an insulating layer interposed therebetween; a second insulation substrate facing the first insulation substrate; and a chiral dopant inserted between the first insulation substrate and the second insulation substrate. A content of the chiral dopant may be within about 1%, and liquid crystal molecules of a liquid crystal layer may be twisted with a pitch of about 10 ?m to about 100 ?m by the chiral dopant.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: February 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si Heun Kim, Chang-Hun Lee, Daisuke Inoue, Mi Suk Kim, Tae Ho Kim, So Youn Park, Keun Chan Oh
  • Patent number: 9559127
    Abstract: A thin film transistor array panel includes an insulation substrate; a gate line and a first electrode on the insulation substrate; a gate insulating layer on the gate line and the first electrode; a data line on the gate insulating layer; a passivation layer on the gate insulating layer and the data line; and a second electrode on the passivation layer. Relative permittivity (?) of the gate insulating layer is more than about 15, and a thickness of the gate insulating layer is about 2000 angstroms.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: January 31, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Daisuke Inoue, Mi Suk Kim, Si Heun Kim, Tae Ho Kim, So Youn Park, Keun Chan Oh, Chang-Hun Lee
  • Patent number: 9494836
    Abstract: A liquid crystal display includes: a first substrate; a gate line and a data line disposed on the first substrate; a passivation layer disposed on the gate line and the data line; a first electrode and a second electrode disposed on the passivation layer; and a first insulating layer interposed between the first and second electrodes, where the first and second electrodes overlap each other via the first insulating layer, the second electrode includes a plurality of branch electrodes, and an end portion of the plurality of branch electrodes includes a first side portion and a second side portion extending parallel to the data line, and an oblique portion which connects the first side portion and the second side portion to each other and forms a first angle of less than 90 degrees with an extending line of the first side portion.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: November 15, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Mi Suk Kim, Chang-Hun Lee, Tae Ho Kim, Si Heun Kim, So Youn Park, Keun Chan Oh, Daisuke Inoue
  • Patent number: 9487754
    Abstract: Provided herein are compositions and methods for forming fibrochondrocytes or fibrochondrocyte-like cells from progenitor cells, such as mesenchymal stem cells. One aspect provides a fibrochondrocyte culture medium including CTGF and TGF?3, optionally encapsulated by microspheres having different release profiles. Another aspect provides a method for forming fibrochondrocytes or fibrochondrocyte-like cells from progenitor cells by culturing with CTGF and TGF?3.
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: November 8, 2016
    Assignee: The Trustees of Columbia University in the City of New York
    Inventors: Jeremy J. Mao, Chang Hun Lee
  • Publication number: 20160306211
    Abstract: A manufacturing a first substrate of a display panel include providing a control terminal electrode and a common electrode line on a first insulation plate, providing a common electrode to contact with the common electrode line and providing a semiconductor pattern to overlap the control terminal electrode, providing an input terminal electrode to contact with a portion of the semiconductor pattern and providing an output terminal electrode to contact with another portion of the semiconductor pattern and to be spaced apart from the input terminal electrode, determining an orientation angle of a slit of a pixel electrode to substantially match a rising time and a falling time of a liquid-crystal applying signal with each other based on a simulation result, and providing the pixel electrode, which includes a plurality of slits having the determined orientation angle, to contact with the output terminal electrode.
    Type: Application
    Filed: February 18, 2016
    Publication date: October 20, 2016
    Inventor: Chang-hun LEE
  • Publication number: 20160252794
    Abstract: A liquid crystal display includes: a first substrate; a gate line and a data line disposed on the first substrate; a passivation layer disposed on the gate line and the data line; a first electrode and a second electrode disposed on the passivation layer; and a first insulating layer interposed between the first and second electrodes, where the first and second electrodes overlap each other via the first insulating layer, the second electrode includes a plurality of branch electrodes, and an end portion of the plurality of branch electrodes includes a first side portion and a second side portion extending parallel to the data line, and an oblique portion which connects the first side portion and the second side portion to each other and forms a first angle of less than 90 degrees with an extending line of the first side portion.
    Type: Application
    Filed: May 10, 2016
    Publication date: September 1, 2016
    Inventors: Mi Suk KIM, Chang-Hun LEE, Tae Ho KIM, Si Heun KIM, So Youn PARK, Keun Chan OH, Daisuke INOUE
  • Publication number: 20160208173
    Abstract: An LCD panel, comprises substrates facing each other, a liquid crystal layer disposed between the substrates and liquid crystal alignment layers, each sandwiched between the liquid crystal layer and a respective one of the substrates, wherein the liquid crystal alignment layers comprises hydrocarbon derivative having perfluorocarbon group.
    Type: Application
    Filed: June 19, 2015
    Publication date: July 21, 2016
    Inventors: Shin Woong KANG, Kundu SUDARSHAN, Byung Wook AHN, Keun Chan OH, Chang Hun LEE, Soon Joon RHO, Jae Jin LYU
  • Publication number: 20160209710
    Abstract: A liquid crystal display includes a first substrate, a gate line on the first substrate, a thin film transistor on the first substrate and connected to the gate line, a first electrode and a second electrode on the first substrate, an insulating layer between the first electrode and the second electrode, a second substrate facing the first substrate, and a liquid crystal layer between the first substrate and the second substrate and including a liquid crystal molecule. One of the first electrode and the second electrode includes a plurality of branch electrodes extending in an extension direction parallel to the gate line, and the other one of the first electrode and the second electrode has a planar shape. The liquid crystal molecule of the liquid crystal layer has negative dielectric anisotropy.
    Type: Application
    Filed: July 31, 2015
    Publication date: July 21, 2016
    Inventors: Bong Sung SEO, Chang-Hun LEE, Baek Kyun JEON
  • Publication number: 20160202521
    Abstract: A liquid crystal display includes: a first substrate; a gate line on the first substrate; a gate insulating layer on the gate line; a semiconductor layer on the gate insulating layer; a data line and a drain electrode on the semiconductor layer; a passivation layer covering the data line and the drain electrode; a common electrode on the passivation layer; an interlayer insulating layer on the common electrode; a pixel electrode on the interlayer insulating layer; an additional insulating layer on the pixel electrode; a second substrate opposite to the first substrate; and a black matrix on the second substrate, and including a vertical portion covering the data line and a horizontal portion covering the gate line and the drain electrode, where an empty portion is defined through the additional insulating layer in a portion corresponding to the black matrix.
    Type: Application
    Filed: March 18, 2016
    Publication date: July 14, 2016
    Inventors: Chang-Hun LEE, Keun Chan OH
  • Patent number: 9372364
    Abstract: A display panel is provided. A first substrate includes a display area and a peripheral area. The peripheral area surrounds the display area. A second substrate is disposed on the first substrate. The second substrate faces the first substrate along a first direction. A liquid crystal layer is interposed between the first substrate and the second substrate. A multi-layered sealant is disposed on the peripheral area of the first substrate. The multi-layered sealant surrounds the liquid crystal layer. The multi-layered sealant includes a first sealant layer including an acrylate resin having a functional group having at least 3 carbon atoms, and a second sealant layer including an epoxy resin having a (meth)arcylate group.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: June 21, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang-Hyun Kim, Keun-Chan Oh, Won-Gap Yoon, Jin-Hyeong Lee, Chang-Hun Lee, Ji-Eun Jang
  • Publication number: 20160154278
    Abstract: A liquid crystal device that includes two substrates that face each other, a liquid crystal cell interposed between the two substrates, and a liquid crystal alignment layer interposed between the liquid crystal cell and at least one of the two substrates, the liquid crystal alignment layer includes a plurality of spherical or spherical-like core particles having a diameter of 10 nm to 1 ?m.
    Type: Application
    Filed: March 18, 2015
    Publication date: June 2, 2016
    Inventors: Shin Woong KANG, Kwang Un JEONG, Byung Wook AHN, Keun Chan OH, Chang Hun LEE
  • Patent number: 9341899
    Abstract: A liquid crystal display includes: a first substrate; a gate line and a data line disposed on the first substrate; a passivation layer disposed on the gate line and the data line; a first electrode and a second electrode disposed on the passivation layer; and a first insulating layer interposed between the first and second electrodes, where the first and second electrodes overlap each other via the first insulating layer, the second electrode includes a plurality of branch electrodes, and an end portion of the plurality of branch electrodes includes a first side portion and a second side portion extending parallel to the data line, and an oblique portion which connects the first side portion and the second side portion to each other and forms a first angle of less than 90 degrees with an extending line of the first side portion.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: May 17, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Mi Suk Kim, Chang-Hun Lee, Tae Ho Kim, Si Heun Kim, So Youn Park, Keun Chan Oh, Daisuke Inoue
  • Patent number: 9331102
    Abstract: A liquid crystal display includes: a first substrate; a gate line on the first substrate; a gate insulating layer on the gate line; a semiconductor layer on the gate insulating layer; a data line and a drain electrode on the semiconductor layer; a passivation layer covering the data line and the drain electrode; a common electrode on the passivation layer; an interlayer insulating layer on the common electrode; a pixel electrode on the interlayer insulating layer; an additional insulating layer on the pixel electrode; a second substrate opposite to the first substrate; and a black matrix on the second substrate, and including a vertical portion covering the data line and a horizontal portion covering the gate line and the drain electrode, where an empty portion is defined through the additional insulating layer in a portion corresponding to the black matrix.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: May 3, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Hun Lee, Keun Chan Oh
  • Publication number: 20160103342
    Abstract: A liquid crystal display (LCD) panel includes a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The liquid crystal layer includes liquid crystals with negative dielectric anisotropy and a hindered amine light stabilizer (HALS).
    Type: Application
    Filed: March 12, 2015
    Publication date: April 14, 2016
    Inventors: Sung Hwan HONG, Mi Suk KIM, Tae Ho KIM, Keun Chan OH, Chang Hun LEE