Patents Assigned to IUCF-HYU
  • Patent number: 10273455
    Abstract: The present invention relates to a method for in vitro expansion of erythroid cells. The method includes subjecting erythroid cells to 3-dimensional packed cell culture using a porous structure. The use of the composition according to the present invention enables in vitro expansion of erythroid cells in the most efficient manner.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: April 30, 2019
    Assignee: IUCF-HYU
    Inventors: Eun Jung Baek, Eun-Mi Lee
  • Patent number: 9957363
    Abstract: The present invention relates to a method for forming a metal nanowire or a metal nanomesh. More particularly, the present invention relates to a method for forming a metal nanowire or a metal nanomesh capable of forming a variety of metal nanowires or metal nanomeshes in a desired shape by a simplified method.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: May 1, 2018
    Assignees: LG CHEM, LTD., IUCF-HYU
    Inventors: Yang Kyoo Han, Je Gwon Lee, Hyun Jin Lee, No Ma Kim, Sung Soo Yoon, Eun Ji Shin
  • Patent number: 9880686
    Abstract: A touch screen panel includes first electrode patterns disposed in a first direction, first connection patterns electrically connecting the first electrode patterns, second electrode patterns disposed in a second direction intersecting the first direction and insulated from the first electrode patterns, insulating patterns disposed on the first connection patterns, and second connection patterns disposed on the insulating patterns and electrically connecting the second electrode patterns, in which at least one of the first electrode patterns, the first connection patterns, the second electrode patterns, and the second connection patterns include a first polymer layer including a conductive material infiltrated therein, and the insulating patterns comprise a second polymer layer comprising a dielectric material infiltrated therein.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: January 30, 2018
    Assignees: Samsung Display Co., Ltd., IUCF-HYU
    Inventors: Seung Hun Kim, Cheol Jang, Sang Hwan Cho, Chung Sock Choi, Myung Mo Sung
  • Patent number: 9831426
    Abstract: Provided are a conductive bridging random access memory (CBRAM) device and a manufacturing method thereof. The CBRAM device includes a first electrode, a semiconductor oxide electrolyte layer formed on the first electrode and including a plurality of metal vacancies, a second electrode formed on the semiconductor oxide electrolyte layer, wherein when a positive voltage is applied to the second electrode, cations are reduced to the metal vacancies in the semiconductor oxide electrolyte layer to form a metal bridge.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: November 28, 2017
    Assignee: IUCF-HYU
    Inventor: Jea Gun Park
  • Patent number: 9825151
    Abstract: The present invention suggests a substrate manufacturing method and a manufacturing method of a semiconductor device comprising: providing a SOI structure having an insulation layer and a silicon layer laminated on a substrate; laminating to form a silicon germanium layer and a capping silicon layer on the SOI structure; implementing oxidation process at two or more temperatures and heat treatment process at least once during the oxidation process to form a germanium cohesion layer and a silicon dioxide layer; and removing the silicon dioxide layer.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: November 21, 2017
    Assignee: IUCF-HYU
    Inventors: Jea Gun Park, Tea Hun Shim, Seung Hyun Song, Du Yeong Lee
  • Patent number: 9755169
    Abstract: Provided is a nonvolatile memory device. The nonvolatile memory device includes: first and second electrodes spaced from each other; at least one nano crystal layer disposed between the first and second electrodes; and first and second material layers respectively disposed between the first and second electrodes and the nano crystal layer and having a bistable conductive property, wherein the first and second material layers are formed asymmetrical to each other.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: September 5, 2017
    Assignee: IUCF-HYU
    Inventors: Jea Gun Park, Sung Ho Seo, Woo Sik Nam, Jong Sun Lee
  • Patent number: 9711569
    Abstract: An image sensor and an operating method thereof are disclosed. The image sensor includes a first photoelectric conversion portion configured to receive plural lights, except for a light of first wavelength, to generate an electric charge; and a second photoelectric conversion portion configured to receive the light of the first wavelength to generate an electric charge, wherein at least a portion of the first photoelectric conversion portion and the second photoelectric conversion portion is spaced apart from each other in a vertical direction.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: July 18, 2017
    Assignee: IUCF-HYU
    Inventors: Jea-Gun Park, Seung-Hyun Song, Ji-Heon Kim, Dal-Ho Kim
  • Publication number: 20150214497
    Abstract: Provided is a nonvolatile memory device. The nonvolatile memory device includes: first and second electrodes spaced from each other; at least one nano crystal layer disposed between the first and second electrodes; and first and second material layers respectively disposed between the first and second electrodes and the nano crystal layer and having a bistable conductive property, wherein the first and second material layers are formed asymmetrical to each other.
    Type: Application
    Filed: July 27, 2012
    Publication date: July 30, 2015
    Applicant: IUCF-HYU
    Inventors: Jea Gun Park, Sung Ho Seo, Woo Sik Nam, Jong Sun Lee
  • Publication number: 20130032572
    Abstract: The present invention relates to slurry for polishing crystalline phase-change materials and to a method for producing a phase-change device using the same. The slurry for polishing crystalline phase-change materials according to one embodiment of the present invention comprises an abrasive, an alkaline abrasive enhancer, an oxidizing agent having a standard reduction potential higher than that of perchlorates, and ultrapure water. In addition, the method for producing a phase-change device according to one embodiment of the present invention comprises the following steps: preparing a substrate; forming a crystalline phase-change material film on the substrate; and removing the phase-change material film through a chemical-mechanical polishing process using slurry for polishing phase-change materials, which comprises an abrasive, an alkaline abrasive enhancer, an oxidizing agent having a standard reduction potential higher than that of perchlorates, and ultrapure water.
    Type: Application
    Filed: February 1, 2011
    Publication date: February 7, 2013
    Applicant: IUCF-HYU
    Inventors: Jea Gun Park, Un Gyu Paik, Jin Hyung Park, Hao Cui, Jong Young Cho, Hee Sub Hwang, Jae Hyung Lim, Ye Hwan Kim
  • Patent number: 8361177
    Abstract: Disclosed is a polishing slurry, particularly, a slurry for chemical mechanical polishing, which is used in a chemical mechanical polishing process for flattening a semiconductor laminate. More particularly, the present invention provides a method of producing a slurry which has high removal selectivity to a nitride layer used as a barrier film in a shallow trench isolation CMP process needed to fabricate ultra highly integrated semiconductors of 256 mega D-RAM or more (Design rule of 0.13 ?m or less) and which decreases the occurrence of scratches on a flattened surface, and a method of polishing a substrate using the same.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: January 29, 2013
    Assignees: K.C. Tech Co., Ltd., IUCF-HYU
    Inventors: Dae Hyeong Kim, Seok Min Hong, Jae Hyun Jeon, Un Gyu Park, Jea Gun Park, Yong Kuk Kim
  • Patent number: 8315080
    Abstract: Provided are a luminescent device and a method of manufacturing the same. The luminescent device includes a charge trapping layer having bistable conductance and negative differential resistance (NDR) characteristics, and an organic luminescent layer electrically connected to the charge trapping layer. The charge trapping layer comprise a nanocrystal layer intervened in an organic layer, and the nanocrystal layer comprises a plurality of nanocrystals.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: November 20, 2012
    Assignee: IUCF-HYU
    Inventors: Jea Gun Park, Gon Sub Lee, Su Hwan Lee, Dal Ho Kim, Sung Ho Seo, Woo Sik Nam, Hyun Min Seung, Jong Dae Lee, Dong Won Shin
  • Patent number: 8294696
    Abstract: The present invention provides a display device and a method of driving the same. The display device includes a plurality of display pixels to display an image, a plurality of data lines connected to the display pixel, and a plurality of sensing lines connected to the display pixel.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: October 23, 2012
    Assignees: Samsung Display Co., Ltd., IUCF-HYU
    Inventors: Ung-Gyu Min, Oh-Kyong Kwon
  • Publication number: 20120125427
    Abstract: Provided are a solar cell a solar cell having high light absorbance and power conversion efficiency and a method for producing the solar cell. The solar cell includes a substrate, a first electrode disposed on the substrate, a photoactive layer disposed on the first electrode, and a second electrode disposed on the photoactive layer. The photoactive layer includes an electron acceptor and at least two electron donors.
    Type: Application
    Filed: March 24, 2010
    Publication date: May 24, 2012
    Applicant: IUCF-HYU
    Inventors: Jea Gun Park, Tae Hun Shim, Su Hwan Lee, Jin Heon Kim
  • Publication number: 20120073639
    Abstract: The present invention provides a solar cell and manufacturing method thereof. The solar cell according to the present invention comprises: first and second electrodes, at least one of which has light transmitting properties; two or more photoelectric conversion layers positioned between the first and second electrodes; and a transflective conductive layer positioned between the photoelectric conversion layers. Further, tunneling layers are also provided between the photoelectric conversion layers and the transflective conductive layer. The efficiency of the solar cell can be improved, as compared with the prior art, by providing tunneling layers and a transflective conductive layer in this way.
    Type: Application
    Filed: March 18, 2010
    Publication date: March 29, 2012
    Applicant: IUCF-HYU
    Inventors: Jea Gun Park, Su Hwan Lee, Dal Ho Kim, Tae Hun Shim
  • Patent number: 8077126
    Abstract: In a pixel of a display device, a first transistor of which an second terminal is connected to a first terminal of a light emitting element supplies a driving current that corresponds to a voltage between a control terminal and the second terminal to the light emitting element, and a second terminal of the light emitting element is connected to a driving voltage. At least one second transistor transmits a black voltage that corresponds to a black gray to the control terminal of the first transistor in a first period and a second period, and transmits a gray voltage that corresponds to an input image signal to the control terminal of the first transistor in a third period. A third transistor is connected between the first terminal of the light emitting element and a voltage supply line to transmit a reference voltage, and the third transistor is turned on in the first period and turned off in the second period.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: December 13, 2011
    Assignees: Samsung Electronics Co., Ltd., IUCF-HYU
    Inventors: Baek-Woon Lee, Oh-Kyong Kwon
  • Patent number: 8062547
    Abstract: A CMP slurry is provided comprising polishing particles, the polishing particle comprising organically modified colloidal silica. Also, a method of preparing a CMP slurry is provided, comprising the steps of: preparing polishing particles comprising organically modified silica; converting the polishing particles into an aqueous state; and adding pure water, a hydrophilic additive and a dispersing agent to the polishing particles. The polishing particles can be synthesized using a sol-gel process. According to the invention, a slurry having excellent polishing properties can be prepared, in which the surface properties of colloidal silica are changed to control the physical properties of the polishing particles and which can ensure a desired CMP removal rate while minimizing the occurrence of scratches.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: November 22, 2011
    Assignees: K.C. Tech Co., Ltd., IUCF-HYU
    Inventors: Un Gyu Paik, Jea Gun Park, Sang Kyun Kim, Ye Hwan Kim, Myoung Won Suh, Dae Hyeong Kim
  • Publication number: 20110096847
    Abstract: Disclosed is an apparatus and method for parsing a bitstream. The apparatus may include an input port analyzer to analyze an input port indicating a source of data in a description, a data receiver to receive the data via the analyzed input port, and a parsing controller to control a parsing process based on the data received via the input port.
    Type: Application
    Filed: October 21, 2010
    Publication date: April 28, 2011
    Applicants: Electronics and Telecommunications Research Institute, IUCF-HYU
    Inventors: Seung Wook LEE, Bon Ki Koo, Ho Won Kim, Ji Hyung Lee, Euee Seon Jang, Hyungyu Kim, Sowon Kim, Ming-Xiao Chen
  • Publication number: 20100208507
    Abstract: Provided are a luminescent device and a method of manufacturing the same. The luminescent device includes a charge trapping layer having bistable conductance and negative differential resistance (NDR) characteristics, and an organic luminescent layer electrically connected to the charge trapping layer.
    Type: Application
    Filed: April 23, 2008
    Publication date: August 19, 2010
    Applicant: IUCF-HYU
    Inventors: Jea Gun Park, Gon Sub Lee, Su Hwan Lee, Dal Ho Kim, Sung Ho Seo, Woo Sik Nam, Hyun Min Seung, Jong Dae Lee, Dong Won Shin
  • Publication number: 20090184896
    Abstract: There is provided an organic light emitting display capable of compensating for the deterioration of organic light emitting diodes (OLED) while sharing an analog-to-digital converter (ADC). The organic light emitting display includes sub pixels positioned in the intersections between scan lines and data lines, a current source unit for supplying predetermined current to organic light emitting diodes (OLED) in a sensing period for grasping deterioration information on the OLEDs included in the sub pixels, at least one analog-to-digital converter (ADC) provided fewer than data lines in order to convert a voltage applied to the OLEDs into a digital signal, and a switching unit for coupling the data lines to the current source unit in the sensing period and for sequentially coupling at least one ADC to the data lines in the sensing period.
    Type: Application
    Filed: July 8, 2008
    Publication date: July 23, 2009
    Applicants: Samsung SDI Co., Ltd., IUCF-HYU
    Inventor: Oh-Kyong KWON
  • Publication number: 20090133336
    Abstract: Disclosed is a polishing slurry, particularly, a slurry for chemical mechanical polishing, which is used in a chemical mechanical polishing process for flattening a semiconductor laminate. More particularly, the present invention provides a method of producing a slurry which has high removal selectivity to a nitride layer used as a barrier film in a shallow trench isolation CMP process needed to fabricate ultra highly integrated semiconductors of 256 mega D-RAM or more (Design rule of 0.13 ?m or less) and which decreases the occurrence of scratches on a flattened surface, and a method of polishing a substrate using the same.
    Type: Application
    Filed: December 11, 2008
    Publication date: May 28, 2009
    Applicants: K.C. TECH CO., LTD., IUCF-HYU
    Inventors: Dae Hyeong Kim, Seok Min Hong, Jae Hyun Jeon, Un Gyu Paik, Jea Gun Park, Yong Kuk Kim