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).

  • Publication number: 20160068943
    Abstract: The present invention relates to a sputtering target of a multi-component single body, a preparation method thereof, and a method for fabricating a multi-component alloy-based nanostructured thin film using the same. The sputtering target according to the present invention comprises an amorphous or partially crystallized glass-forming alloy system composed of a nitride forming metal element, which is capable of reacting with nitrogen to form a nitride, and a non-nitride forming element which has no or low solid solubility in the nitride forming metal element and does not react with nitrogen or has low reactivity with nitrogen, wherein the nitrogen forming metal element comprises at least one element selected from Ti, Zr, Hf, V, Nb, Ta, Cr, Y, Mo, W, Al, and Si, and the non-nitride forming element comprises at least one element selected from Mg, Ca, Sc, Ni, Cu, Ag, In, Sn, La, Au, and Pb.
    Type: Application
    Filed: October 28, 2015
    Publication date: March 10, 2016
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Seung Yong SHIN, Kyoung Il MOON, Ju Hyun SUN, Chang Hun LEE, Jung Chan BAE
  • Patent number: 9261708
    Abstract: A 3D image display device includes: a liquid crystal (LC) display panel including, a first array substrate (AS) including a gate line (GL) extending in a first direction (FD), a data line (DL) extending in a second direction (SD) substantially perpendicular to the FD, and a pixel electrode (PE) connected to the GL and the DL and having first branch electrode portions (FBEPs) having a first width, each of the FBEPs being spaced from each other by a first interval substantially ?the first width, and a LC lens panel including a second AS including lens electrodes (LEs) extending in a third direction (TD) tilted with respect to the SD by a first angle having an absolute value ?about 5° and ?about 15°. Each of the FBEPs extends in a fourth direction having a first tilting angle with respect to the TD by about 45° or about 135°.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: February 16, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Chang-Hun Lee
  • Publication number: 20160011464
    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: Application
    Filed: January 23, 2015
    Publication date: January 14, 2016
    Inventors: Si-Heun Kim, Chang-Hun Lee, Jun-Woo Lee
  • Publication number: 20150234242
    Abstract: A display device includes a display panel including pixels, pixel electrodes disposed in pixel areas corresponding to the pixels, arranged at a first distance from each other along a first direction, and extending in a second direction crossing the first direction, and a black matrix disposed in a non-pixel area adjacent to each pixel area, where a width of the black matrix between the pixel areas and the first distance are set to allow a variation rate of brightness of each pixel arranged in a same pixel column and a pixel row to be in a range from about +2% to about ?2% when a gray-scale level of the pixels respectively disposed at left and right sides of each pixel arranged in the same pixel column is changed to a different gray-scale level in the pixel row from a gray-scale level in a previous pixel row.
    Type: Application
    Filed: January 13, 2015
    Publication date: August 20, 2015
    Inventors: Daisuke INOUE, CHANG-HUN LEE, TAEHO KIM, MiSuk KIM, Soyoun PARK
  • Publication number: 20150198852
    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: September 9, 2014
    Publication date: July 16, 2015
    Inventors: Chang-Hun LEE, Keun Chan OH
  • Publication number: 20150187811
    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: Application
    Filed: December 30, 2014
    Publication date: July 2, 2015
    Inventors: Daisuke INOUE, Mi Suk KIM, Si Heun KIM, Tae Ho KIM, So Youn PARK, Keun Chan OH, Chang-Hun LEE
  • Publication number: 20150146117
    Abstract: A 3D image display device includes: a liquid crystal (LC) display panel including, a first array substrate (AS) including a gate line (GL) extending in a first direction (FD), a data line (DL) extending in a second direction (SD) substantially perpendicular to the FD, and a pixel electrode (PE) connected to the GL and the DL and having first branch electrode portions (FBEPs) having a first width, each of the FBEPs being spaced from each other by a first interval substantially ?the first width, and a LC lens panel including a second AS including lens electrodes (LEs) extending in a third direction (TD) tilted with respect to the SD by a first angle having an absolute value ?about 5° and ?about 15°. Each of the FBEPs extends in a fourth direction having a first tilting angle with respect to the TD by about 45° or about 135°.
    Type: Application
    Filed: July 31, 2014
    Publication date: May 28, 2015
    Inventor: Chang-Hun LEE
  • Publication number: 20150106207
    Abstract: The present invention proposes a method of providing a forwarding advertisement service in a mobile device, wherein a service providing server receives an advertisement forwarding signal from a mobile device, and forwards to a predetermined advertisement medium an advertisement assigned according to execution information on an application program that is installed in the mobile device. Thus, a user may not be exposed to an advertisement when the application program is executed in the mobile device. As a result, the user may get rid of any inconvenience and cumbersomeness due to the display of advertisements, and pay attention to the main content of the application program.
    Type: Application
    Filed: March 27, 2013
    Publication date: April 16, 2015
    Inventor: Chang Hun LEE
  • Publication number: 20150103300
    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: Application
    Filed: October 2, 2014
    Publication date: April 16, 2015
    Inventors: Si Heun KIM, Chang-Hun Lee, Daisuke Inoue, Mi Suk Kim, Tae Ho Kim, So Youn Park, Keun Chan OH
  • Publication number: 20150098049
    Abstract: A liquid crystal display includes a first insulating substrate; a gate line and a data line disposed on the first insulating substrate and insulated from each other to cross each other; a thin film transistor connected to the gate line and the data line; an organic layer disposed on the thin film transistor; a pixel electrode disposed on the organic layer; a passivation layer disposed on the pixel electrode; and a common electrode disposed on the passivation layer, in which shapes of the passivation layer and the common electrode correspond to each other in a pixel area. The device reduces a DC bias generated when charges are collected on either the pixel electrode or the common electrode in a display device that displays an image by generating an electric field between two field generating electrodes of the pixel electrode and the common electrode.
    Type: Application
    Filed: August 5, 2014
    Publication date: April 9, 2015
    Inventor: Chang-Hun LEE
  • Publication number: 20150092149
    Abstract: A liquid crystal display includes: a substrate; and a common electrode disposed on the substrate; a pixel electrode disposed on the substrate; and an insulating layer disposed between the common electrode and the pixel electrode, in which at least one of the common electrode and the pixel electrode includes a plurality of slit electrodes defined by a plurality of cutouts defined therein, and a width of a slit electrode of the slit electrodes, a distance between the slit electrodes, and a thickness of the insulating layer satisfy the following in equation: 0.01x?0.2y+0.31?L/P?0.01x?0.2y+0.41, L denotes the width of the slit electrode, P denotes the distance between the slit electrodes, x denotes a value of the distance between the slit electrodes in micrometers, and y denotes a value of the thickness of the insulating layer in micrometers.
    Type: Application
    Filed: July 23, 2014
    Publication date: April 2, 2015
    Inventors: Daisuke INOUE, Mi Suk KIM, Tae Ho KIM, Si Heun KIM, So Youn PARK, Keun Chan OH, Chang-Hun LEE
  • Publication number: 20150091035
    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: Application
    Filed: April 5, 2013
    Publication date: April 2, 2015
    Inventors: Chang Tae Kim, Jae Sung Ko, Seok Jung Kim, Chang Hun Lee
  • Publication number: 20150085233
    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: September 22, 2014
    Publication date: March 26, 2015
    Inventors: Mi Suk KIM, Chang-Hun LEE, Tae Ho KIM, Si Heun KIM, So Youn PARK, Keun Chan OH, Daisuke INOUE
  • Patent number: 8976348
    Abstract: Wafer inspection method to perform wafer inspection based on photo map information. The wafer inspection method may include: detecting a sample center location on a wafer; compensating the detected sample center location to a compensated center location based on photo map information; and detecting defective dies included in the wafer based on the compensated center location.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: March 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hwan-seok Jang, Jang-man Ko, Jun-seog Seong, Ho-bong Shin, Kil-su Lee, Chang-hun Lee
  • Publication number: 20150062524
    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: Application
    Filed: April 2, 2014
    Publication date: March 5, 2015
    Applicant: 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: 20140346038
    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: Application
    Filed: December 4, 2012
    Publication date: November 27, 2014
    Inventors: Seung-Yong Shin, Kyoung-Il Moon, Ju-Hyun Sun, Chang-Hun Lee
  • Publication number: 20140313565
    Abstract: An electronic paper including an image control layer, the image control layer including a magnetic material and capable of forming a magnetic pattern therein, the electronic paper further including an image display layer on the image control layer, the image display layer including a plurality of image display units having magnetic properties.
    Type: Application
    Filed: August 21, 2013
    Publication date: October 23, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Byoung Kul Ji, Chang Hun Lee
  • Patent number: 8825091
    Abstract: The present disclosure relates to a method and an apparatus for communication in a portable terminal using multiple Subscriber Identity Module (SIM) cards. The method includes: camping on a predetermined cell by each of the multiple SIM cards; determining whether paging collision occurs between a communication network supported by the predetermined cell on which the portable terminal has camped through a SIM card and another communication network supported by the predetermined cell on which the portable terminal has camped through another SIM card; identifying paging information through a predetermined SIM card among the multiple SIM cards after identifying camp-on information for each SIM card when a result of the determination shows that the paging collision occurs; and performing a paging standby for the communication network in the predetermined camped-on cell by the SIM card corresponding to the identified paging information based on a result of identifying the paging information.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: September 2, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Shin-Duck Lee, Chang-Hun Lee, Jong-Phil Lee
  • Publication number: 20140204371
    Abstract: Wafer inspection method to perform wafer inspection based on photo map information. The wafer inspection method may include: detecting a sample center location on a wafer; compensating the detected sample center location to a compensated center location based on photo map information; and detecting defective dies included in the wafer based on the compensated center location.
    Type: Application
    Filed: March 25, 2014
    Publication date: July 24, 2014
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Hwan-seok JANG, Jang-man KO, Jun-seog SEONG, Ho-bong SHIN, Kil-su LEE, Chang-hun LEE
  • Publication number: 20140139767
    Abstract: A liquid crystal display device includes a lower substrate, an upper substrate and a liquid crystal layer. The lower substrate includes an insulating substrate, a first electrode, an insulating layer disposed on the first electrode, a second electrode and a third electrode. The first electrode is disposed on the insulating substrate and includes a first sub-electrode. The second electrode is disposed on the insulating layer and includes a second sub-electrode overlapping the first sub-electrode. The third electrode is disposed on the insulating layer and includes a third sub-electrode spaced apart from the first and second sub-electrodes.
    Type: Application
    Filed: May 9, 2013
    Publication date: May 22, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: CHANG-HUN LEE, Cheol SHIN, Seungho HONG