Patents by Inventor Jae Kyun Lee

Jae Kyun 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: 9493423
    Abstract: Disclosed herein are an N-(pyrazolylmethyl)arylsulfonamide derivative useful as a calcium ion channel blocker, a pharmaceutically acceptable salt thereof, and the medicinal use thereof as a therapeutic agent using its calcium ion channel blocking effect.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: November 15, 2016
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ghil Soo Nam, Kyung Il Choi, Jung Hyun Kim, Ae Nim Pae, Jin Ri Hong, Jae Kyun Lee
  • Patent number: 9236485
    Abstract: A thin film transistor substrate with an adhesive strength between a semiconductor layer and a source electrode, and between a semiconductor layer and a drain electrode; and an LCD device using the thin film transistor substrate. The thin film transistor substrate includes a substrate, a gate electrode on the substrate, a gate insulating film on the gate electrode, an active layer on the gate insulating film, an ohmic contact layer on the active layer, a barrier layer on the ohmic contact layer. The barrier layer is formed of a material layer containing Ge. A source electrode and a drain electrode are on the barrier layer. The source and drain electrodes are provided at a predetermined interval from each other.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: January 12, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jae Young Oh, Jae Kyun Lee
  • Publication number: 20150329533
    Abstract: Disclosed herein are an N-(pyrazolylmethyl)arylsulfonamide derivative useful as a calcium ion channel blocker, a pharmaceutically acceptable salt thereof, and the medicinal use thereof as a therapeutic agent using its calcium ion channel blocking effect.
    Type: Application
    Filed: February 26, 2015
    Publication date: November 19, 2015
    Inventors: Ghil Soo NAM, Kyung Il CHOI, Jung Hyun KIM, Ae Nim PAE, Jin Ri HONG, Jae Kyun LEE
  • Patent number: 9151992
    Abstract: A color filter substrate includes a substrate in which a plurality of pixel areas are defined; a black matrix formed on the substrate, and having a plurality of openings in correspondence to the pixel areas; a color filter layer formed on the substrate, and including a red color filter, a green color filter, and a blue color filter that are sequentially arranged in a first direction in correspondence to the pixel areas; and a plurality of first column spacers and a plurality of second column spacers formed over the black matrix, and having different heights, wherein a height of each of the first column spacers is higher than a height of each of the second column spacers, and an arrangement density of the first column spacers is lower than an arrangement density of the second column spacers.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: October 6, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Min-Kyung Lee, Jae-Kyun Lee, Seung-Ryull Park, Kyung-Mo Son, Ji-Hye Lee, Jeong-Gi Yun
  • Patent number: 9075269
    Abstract: An array substrate includes a substrate; gate lines over the substrate along a first direction; data lines over the substrate along a second direction and crossing the gate lines to define pixel regions; a thin film transistor at each crossing portion of the gate and data lines; an insulating layer covering the thin film transistor and having a flat top surface; a common electrode on the insulating layer all over the substrate; a common line on the common electrode; a passivation layer on the common line; and a pixel electrode on the passivation layer in each pixel region and connected to the thin film transistor, the pixel electrode including electrode patterns, wherein the passivation layer has a step height at a top surface of the passivation layer due to the plurality of common lines.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: July 7, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Kyung-Mo Son, Jae-Kyun Lee, Sung-Chol Yi, Taek-Jun Jung, Sun-Ju Ku, Soon-Hwan Hong, Sang-Su Jang, Jun-Young Jeong, Eun-Hye Lee
  • Patent number: 9012481
    Abstract: Novel benzoarylureido compounds and a use thereof for prevention and/or treatment of the neurodegenerative brain disease are provided. The neurodegenerative brain diseases may include Alzheimer's disease, dementia, Parkinson's disease, stroke, amyloidosis, Pick's disease, Lou Gehrig's disease, Huntington's disease, Creutzfeld-Jakob disease, and the like.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: April 21, 2015
    Assignee: Korea Institute of Science and Technology
    Inventors: Hoh-Gyu Hahn, Kee-Dal Nam, Dong-Yun Shin, Chan-Ho Park, Sung-Woo Cho, Eun-A Kim, Ghil-Soo Nam, Kyung-Il Chol, Seon-Hee Seo, Hee-Sup Shin, Dong-Jin Kim, Ae-Nim Pae, Hye-Jin Chung, Hyun-Ah Choo, Hye-Whon Rhim, Yong-Seo Cho, Eun-Joo Roh, Gyo-Chang Keum, Kee-Hyun Choi, Kye-Jung Shin, Chan-Seong Cheong, Jae-Kyun Lee, Yong-Koo Kang, Young-Soo Kim, Woong-Seo Park, Key-Sun Kim, He-Sson Chung, Chi-Man Song, Sun-Joon Min, Eunice Eun-Kyeong Kim, Cheol-Ju Lee, Soon-Bang Kang
  • Patent number: 8993766
    Abstract: The present invention relates to a method for preparing tetrabenazine (TBZ) and dihydrotetrabenazine (DTBZ), and more specifically to a method for preparing tetrabenazine (TBZ) and dihydrotetrabenazine (DTBZ) by using simple and short reaction processes of using 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline and 4-methyl-2-(3-(trimethylsilyl)prop-1-ene-2-yl)pentane as starting materials to sequentially perform an alkylation reaction, an Aza-Prins cyclization reaction in the presence of an oxidant and an oxidation reaction.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: March 31, 2015
    Assignee: Korea Institute of Science and Technology
    Inventors: Sun Joon Min, Yong Seo Cho, Jae Kyun Lee, Ae Nim Pae, Young Wook Son
  • Patent number: 8946431
    Abstract: Provided is a 2-(substituted ethynyl)quinoline derivative having an mGluR5 antagonistic activity and pharmaceutically acceptable salts thereof. The compound of the present invention can be useful as a medicament for treating and preventing mGluR5 receptor-mediated diseases such as Alzheimer's disease, senile dementia, Parkinson's disease, L-DOPA-induced dyskinesia, Huntington's chorea, amyotrophic lateral sclerosis, multiple sclerosis, schizophrenia, anxiety disorder, depression, neuropathic pain, drug dependence, fragile X syndrome, autism, migraine and gastroesophageal reflux disease (GERD).
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: February 3, 2015
    Assignee: Korea Institute of Science and Technology
    Inventors: Sun Joon Min, Yong Seo Cho, Ae Nim Pae, Eun Jeong Lim, Ji Yeong Kim, Myung Hee Son, Jae Kyun Lee
  • Patent number: 8854567
    Abstract: A liquid crystal display device includes an array substrate including: gate and data lines crossing each other on a first substrate to define a pixel region; a common line in parallel with the gate line; first and second common line patterns extending from the common line, wherein the data line is between the first and second common line patterns; a thin film transistor connected to the gate and data lines; a pixel electrode connected to the thin film transistor and in the pixel region; and an inorganic black matrix below the gate line, the common line, and the first and second common lines, wherein the inorganic black matrix below the first and second common lines shields the data line; an opposing substrate including a common electrode on a second substrate; and a liquid crystal layer between the array substrate and the opposing substrate.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: October 7, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Sun-Woo Kim, Jae-Kyun Lee, Jae-Young Oh, Dae-Jung Choi
  • Patent number: 8845343
    Abstract: An array substrate for a liquid crystal display device includes a substrate, a gate line and a data line on the substrate and crossing each other to define a pixel region, a thin film transistor connected to the gate line and the data line, a first passivation layer on the thin film transistor and having a first unevenness structure at its top surface, an auxiliary unevenness layer on the first passivation layer and having a first roughness structure at its top surface, and a reflector on the auxiliary unevenness layer, the reflector having a second unevenness structure due to the first unevenness structure of the first passivation layer and a second roughness structure due to the first roughness structure of the auxiliary unevenness layer, the second roughness structure having smaller patterns than the second unevenness structure.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: September 30, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Kyun Lee, Jae-Young Oh
  • Patent number: 8842108
    Abstract: An array substrate for a liquid crystal display device includes: a substrate; a gate line and a data line on the substrate; a common line parallel to and spaced apart from the gate line; a thin film transistor connected to the gate line and the data line; a plurality of pixel electrodes in the pixel region; a plurality of common electrodes alternating with the plurality of pixel electrodes; at least one outermost common electrode at an edge portion of the pixel region; a black matrix corresponding to the thin film transistor, the gate line and the data line, the black matrix including an inorganic material and having an open portion; and a color filter layer in the open portion.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: September 23, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Kyun Lee, Jae-Young Oh, Dae-Jung Choi, Sun-Woo Kim
  • Publication number: 20140231806
    Abstract: An array substrate for a liquid crystal display device includes a substrate, a gate line and a data line on the substrate and crossing each other to define a pixel region, a thin film transistor connected to the gate line and the data line, a first passivation layer on the thin film transistor and having a first unevenness structure at its top surface, an auxiliary unevenness layer on the first passivation layer and having a first roughness structure at its top surface, and a reflector on the auxiliary unevenness layer, the reflector having a second unevenness structure due to the first unevenness structure of the first passivation layer and a second roughness structure due to the first roughness structure of the auxiliary unevenness layer, the second roughness structure having smaller patterns than the second unevenness structure.
    Type: Application
    Filed: April 25, 2014
    Publication date: August 21, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jae-Kyun LEE, Jae-Young OH
  • Publication number: 20140206876
    Abstract: Provided is a 2-(substituted ethynyl)quinoline derivative having an mGluR5 antagonistic activity and pharmaceutically acceptable salts thereof. The compound of the present invention can be useful as a medicament for treating and preventing mGluR5 receptor-mediated diseases such as Alzheimer's disease, senile dementia, Parkinson's disease, L-DOPA-induced dyskinesia, Huntington's chorea, amyotrophic lateral sclerosis, multiple sclerosis, schizophrenia, anxiety disorder, depression, neuropathic pain, drug dependence, fragile X syndrome, autism, migraine and gastroesophageal reflux disease (GERD).
    Type: Application
    Filed: July 16, 2013
    Publication date: July 24, 2014
    Inventors: Sun Joon MIN, Yong Seo CHO, Ae Nim PAE, Eun Jeong LIM, Ji Yeong KIM, Myung Hee SON, Jae Kyun LEE
  • Publication number: 20140168554
    Abstract: An array substrate includes a substrate; gate lines over the substrate along a first direction; data lines over the substrate along a second direction and crossing the gate lines to define pixel regions; a thin film transistor at each crossing portion of the gate and data lines; an insulating layer covering the thin film transistor and having a flat top surface; a common electrode on the insulating layer all over the substrate; a common line on the common electrode; a passivation layer on the common line; and a pixel electrode on the passivation layer in each pixel region and connected to the thin film transistor, the pixel electrode including electrode patterns, wherein the passivation layer has a step height at a top surface of the passivation layer due to the plurality of common lines.
    Type: Application
    Filed: November 15, 2013
    Publication date: June 19, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Kyung-Mo SON, Jae-Kyun LEE, Sung-Chol YI, Taek-Jun JUNG, Sun-Ju KU, Soon-Hwan HONG, Sang-Su JANG, Jun-Young JEONG, Eun-Hye LEE
  • Patent number: 8735187
    Abstract: An array substrate for a liquid crystal display device includes a substrate, a gate line and a data line on the substrate and crossing each other to define a pixel region, a thin film transistor connected to the gate line and the data line, a first passivation layer on the thin film transistor and having a first unevenness structure at its top surface, an auxiliary unevenness layer on the first passivation layer and having a first roughness structure at its top surface, and a reflector on the auxiliary unevenness layer, the reflector having a second unevenness structure due to the first unevenness structure of the first passivation layer and a second roughness structure due to the first roughness structure of the auxiliary unevenness layer, the second roughness structure having smaller patterns than the second unevenness structure.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: May 27, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Kyun Lee, Jae-Young Oh
  • Publication number: 20140120643
    Abstract: A liquid crystal display device includes an array substrate including: gate and data lines crossing each other on a first substrate to define a pixel region; a common line in parallel with the gate line; first and second common line patterns extending from the common line, wherein the data line is between the first and second common line patterns; a thin film transistor connected to the gate and data lines; a pixel electrode connected to the thin film transistor and in the pixel region; and an inorganic black matrix below the gate line, the common line, and the first and second common lines, wherein the inorganic black matrix below the first and second common lines shields the data line; an opposing substrate including a common electrode on a second substrate; and a liquid crystal layer between the array substrate and the opposing substrate.
    Type: Application
    Filed: January 2, 2014
    Publication date: May 1, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sun-Woo Kim, Jae-Kyun Lee, Jae-Young Oh, Dae-Jung Choi
  • Publication number: 20140085558
    Abstract: A color filter substrate includes a substrate in which a plurality of pixel areas are defined; a black matrix formed on the substrate, and having a plurality of openings in correspondence to the pixel areas; a color filter layer formed on the substrate, and including a red color filter, a green color filter, and a blue color filter that are sequentially arranged in a first direction in correspondence to the pixel areas; and a plurality of first column spacers and a plurality of second column spacers formed over the black matrix, and having different heights, wherein a height of each of the first column spacers is higher than a height of each of the second column spacers, and an arrangement density of the first column spacers is lower than an arrangement density of the second column spacers.
    Type: Application
    Filed: December 26, 2012
    Publication date: March 27, 2014
    Inventors: Min-Kyung LEE, Jae-Kyun LEE, Seung-Ryull PARK, Kyung-Mo SON, Ji-Hye LEE, Jeong-Gi YUN
  • Patent number: 8670083
    Abstract: An IPS mode LCD device is disclosed in which a common voltage drop and delay is decreased. The LCD includes gate and data lines crossing each other to define pixel regions. Thin film transistors are formed at crossing portions of the gate and data lines. Common lines are parallel with the gate lines and common electrodes project from the common lines parallel with the data lines. Pixel electrodes connected with drain electrodes of the thin film transistors are formed in the pixel regions between the parallel common electrodes. A first common voltage supplying line applies a first common voltage or a second common voltage to a closed circuit formed by grouping the adjacent odd numbered common lines. A second common voltage supplying line applies the second common voltage or the first common voltage to a closed circuit formed by grouping the adjacent even numbered common lines.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: March 11, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Kyun Lee, Dong Hoon Lee
  • Patent number: 8648786
    Abstract: A liquid crystal display device includes a display panel including a display area and a non-display area surrounding the display area, a plurality of gate lines and data lines arranged on the display area to intersect each other, so as to define a plurality of pixel regions, a plurality of thin-film transistors formed at respective intersections of the gate lines and the data lines, a plurality of pixel electrodes formed on the respective pixel regions and connected to the thin film transistors, and at least one first common line provided between the data lines and arranged parallel to the data lines.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: February 11, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Kyun Lee, Kum Mi Oh, Jae Young Oh, Dong Su Shin
  • Patent number: 8643800
    Abstract: A liquid crystal display device includes an array substrate including: gate and data lines crossing each other on a first substrate to define a pixel region; a common line in parallel with the gate line; first and second common line patterns extending from the common line, wherein the data line is between the first and second common line patterns; a thin film transistor connected to the gate and data lines; a pixel electrode connected to the thin film transistor and in the pixel region; and an inorganic black matrix below the gate line, the common line, and the first and second common lines, wherein the inorganic black matrix below the first and second common lines shields the data line; an opposing substrate including a common electrode on a second substrate; and a liquid crystal layer between the array substrate and the opposing substrate.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: February 4, 2014
    Assignee: LG Display Co., Ltd
    Inventors: Sun-Woo Kim, Jae-Kyun Lee, Jae-Young Oh, Dae-Jung Choi