Patents by Inventor Taek Nam
Taek Nam 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).
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Publication number: 20240124837Abstract: The present invention relates to a method for differentiating a spherical neural mass (SNM) into retinal outer layer cells, and a composition containing the retinal outer layer cells prepared by the differentiation method. If the differentiation method of the present invention is used, the SNM can be efficiently differentiated into retinal outer layer cells, and thus the present invention can be effectively used in research development and commercialization related thereto.Type: ApplicationFiled: January 27, 2022Publication date: April 18, 2024Inventors: Myung Soo CHO, Seung Taek NAM, Jang Hyeon EOM
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Publication number: 20240115613Abstract: Kidney tissue-derived stem cells or organoids according to the present invention are easy to apply for treatment, may be supplied in large amounts due to their high self-renewal capacity, have an excellent ability to differentiate into kidney cells, are less likely to form tumors, and have an excellent ability to regenerate damaged tissue when injected directly into lesions. Therefore, they may be used very suitably for regenerative therapy based on adult stem cells among these stem cells. In addition, a composition according to the present invention is capable of specifically selecting only kidney tissue-derived stem cells among kidney cells. Furthermore, kidney tissue-derived stem cells expressing Lrig1 protein or a gene encoding the same have excellent self-renewal and pluripotent abilities and are able to differentiate into nephrons, and thus they may be used very effectively for the prevention or treatment of kidney disease.Type: ApplicationFiled: February 4, 2022Publication date: April 11, 2024Applicant: Ki Taek NamInventors: Ki Taek NAM, Yura LEE
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Publication number: 20230271137Abstract: Disclosed is a nano membrane which has improved dustproofness and thus effectively prevents matter, contaminants/dust, and the like from getting into an electronic device such as a PCB or a MEMS microphone, and has no air and sound permeability degradation. The nano membrane of the present disclosure contains a plurality of pores having an average diameter of 0.5-20 ?m, wherein the maximum diameter of each of the pores is 30 ?m, the minimum diameter of each of the pores is 0.1 ?m, and the porosity of the nano membrane is 50-90%.Type: ApplicationFiled: August 26, 2020Publication date: August 31, 2023Inventors: Jeong Young CHOI, Sung Jin KIM, Jun Young PARK, Beom June LEE, Ki Taek NAM
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Patent number: 11655450Abstract: Disclosed herein are a method for inducing differentiation of stem cells into dopaminergic neural precursor cells and a method for mass production of dopaminergic neural precursor cells. Having ability to effectively differentiate stem cells into neural precursor cells, the methods can find advantageous applications in research and development and commercialization associated therewith.Type: GrantFiled: March 25, 2020Date of Patent: May 23, 2023Assignee: S-BIOMEDICSInventors: Myung Soo Cho, Jang Hyeon Eom, Seung Taek Nam
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Publication number: 20210238547Abstract: Disclosed herein are a method for inducing differentiation of stem cells into dopaminergic neural precursor cells and a method for mass production of dopaminergic neural precursor cells. Having ability to effectively differentiate stem cells into neural precursor cells, the methods can find advantageous applications in research and development and commercialization associated therewith.Type: ApplicationFiled: March 25, 2020Publication date: August 5, 2021Inventors: Myung Soo CHO, Jang Hyeon EOM, Seung Taek NAM
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Publication number: 20170226474Abstract: The present invention relates to a pH sensitive particle, a method of preparation thereof, and a use thereof. More particularly, the invention provides a pH sensitive metal nanoparticle and its use for medical treatment utilizing cell necrosis during photothermal therapy. The pH sensitive metal nanoparticle based on this invention consists of a pH sensitive ligand compound whose charge changes depending on the pH of the metal nanoparticle. The particle can be collected in cells, such as cancer cells which present an abnormal pH environment. The pH sensitive metal nanoparticle based on this invention can induce cell death through a photothermal procedure after aggregation. Therefore, the invention enables medical treatment using cell necrosis for e.g. cancer treatment.Type: ApplicationFiled: February 21, 2017Publication date: August 10, 2017Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Sung Jee Kim, Sang Hwa Jeong, Hyo Kyun Chung, Ju Taek Nam, Na Youn Won
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Patent number: 9697785Abstract: Provided is a display device capable of improving image quality. The display device includes a display panel, a gate driver, a data driver and a gamma reference voltage generator. In the display panel, gate lines and data lines cross each other to define a plurality of liquid crystal cells. The gate driver supplies a scan signal to the gate lines sequentially. The data diver supplies a data voltage to the data lines. The gamma reference voltage generator selectively supplies a gamma reference voltage or a reference voltage of black gradation to the data driver in each horizontal period, according to a selection control signal input from the timing controller.Type: GrantFiled: December 23, 2008Date of Patent: July 4, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Jin Cheol Hong, Hyun Taek Nam, Jong Woo Kim
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Patent number: 9616122Abstract: The present invention relates to a pH sensitive particle, a method of preparation thereof, and a use thereof. More particularly, the invention provides a pH sensitive metal nanoparticle and its use for medical treatment utilizing cell necrosis during photothermal therapy. The pH sensitive metal nanoparticle based on this invention consists of a pH sensitive ligand compound whose charge changes depending on the pH of the metal nanoparticle. The particle can be collected in cells, such as cancer cells which present an abnormal pH environment. The pH sensitive metal nanoparticle based on this invention can induce cell death through a photothermal procedure after aggregation. Therefore, the invention enables medical treatment using cell necrosis for e.g. cancer treatment.Type: GrantFiled: July 3, 2009Date of Patent: April 11, 2017Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Sung Jee Kim, Sang Hwa Jeong, Hyo Kyun Chung, Ju Taek Nam, Na Youn Won
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Patent number: 9222884Abstract: Provided is a hydrogen peroxide sensitive metal nanoparticle including: a metal nanoparticle including a biocompatible metal and a hydrogen peroxide reactive ion which is bonded to a surface of the metal nanoparticle and is oxidized by hydrogen peroxide.Type: GrantFiled: August 30, 2013Date of Patent: December 29, 2015Assignees: SAMSUNG ELECTRONICS CO., LTD., POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Kyu-hyun Im, No-kyoung Park, Jae-hyun Hur, Sung-jee Kim, Ju-taek Nam, Seong-ho Park, Sang-hwa Jeong
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Patent number: 9001017Abstract: Disclosed is an LCD device in which a control signal is received and transmitted via a transmission line to be used for receiving and transmitting LVDS video signal between a timing controller and a source drive IC, the LCD device comprising a liquid crystal display panel for display an image; a data driver for driving data lines of the liquid crystal display panel through a plurality of source drive ICs; and a timing controller for outputting a packet signal obtained by combining a control signal and video signal to the source drive IC, wherein the source drive IC separates and outputs the control signal and video signal from the packet signal transmitted from the timing controller.Type: GrantFiled: November 8, 2011Date of Patent: April 7, 2015Assignee: LG Display Co., Ltd.Inventors: Myung Kook Moon, Hyun Taek Nam, Jong Woo Kim
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Patent number: 8952948Abstract: An LCD device is discussed in which a level shifter generates two switching signals, and transmits the generated signals to a gate driver of a liquid crystal display panel by the use of one voltage signal transmitted from a timing controller. The LCD device according to an embodiment includes a liquid crystal display panel in which a gate driver for alternately driving two transistors is formed; a data driver which drives data lines of the liquid crystal display panel; a timing controller which generates one voltage signal for switching the two transistors, and outputs the one voltage signal; and a level shifter which generates two of first and second switching signals to switch the two transistors by using the one voltage signal, and outputs the generated switching signals to the gate driver.Type: GrantFiled: November 9, 2011Date of Patent: February 10, 2015Assignee: LG Display Co., Ltd.Inventors: Myung Kook Moon, Hyun Taek Nam, Jong Woo Kim
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Publication number: 20140065718Abstract: Provided is a hydrogen peroxide sensitive metal nanoparticle including: a metal nanoparticle including a biocompatible metal and a hydrogen peroxide reactive ion which is bonded to a surface of the metal nanoparticle and is oxidized by hydrogen peroxide.Type: ApplicationFiled: August 30, 2013Publication date: March 6, 2014Applicants: POSTECH ACADEMY-INDUSTRY FOUNDATION, Samsung Electronics Co., Ltd.Inventors: Kyu-hyun IM, No-kyoung PARK, Jae-hyun HUR, Sung-jee KIM, Ju-taek NAM, Seong-ho PARK, Sang-hwa JEONG
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Patent number: 8493291Abstract: The present invention involves a technique of recognizing a demand for displaying a shutdown pattern when driving a liquid crystal panel in an inversion method and converting the inversion method into another inversion method causing no horizontal crosstalk. The present invention is achieved by providing an apparatus for controlling driving of a liquid crystal display device, comprising: a timing controller for processing input RGB data by a certain inversion method to supply the data to a data driver and, upon inputting of RGB data of a shutdown pattern, converting the RGB data by an inversion driving method causing no crosstalk to supply the data; a gate driver for outputting gate signals to each gate line of a liquid crystal panel in response to a gate signal control signal; and a data driver for supplying data voltages to each data line of the liquid crystal panel in response to a data signal control signal.Type: GrantFiled: December 10, 2008Date of Patent: July 23, 2013Assignee: LG Display Co., Ltd.Inventors: Hyun-Taek Nam, Han-Yung Jung
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Publication number: 20120200483Abstract: Disclosed is a liquid crystal display (LCD) device, which facilitates to synchronize and output data being transmitted from an external system with a multi-port LVDS using 4 ports or more, and an LCD device using the timing controller, wherein the timing controller comprises a receiver which receives unsynchronized LVDS data of 4 ports or more; a synchronizer which synchronizes and outputs the data; and an arranger which arranges the data synchronized by the synchronizer, and transmits the arranged data to a gate driver and a data driver.Type: ApplicationFiled: October 27, 2011Publication date: August 9, 2012Inventors: Myung Kook MOON, Hyun Taek NAM
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Publication number: 20120133847Abstract: Disclosed is an LCD device in which a control signal is received and transmitted via a transmission line to be used for receiving and transmitting LVDS video signal between a timing controller and a source drive IC, the LCD device comprising a liquid crystal display panel for display an image; a data driver for driving data lines of the liquid crystal display panel through a plurality of source drive ICs; and a timing controller for outputting a packet signal obtained by combining a control signal and video signal to the source drive IC, wherein the source drive IC separates and outputs the control signal and video signal from the packet signal transmitted from the timing controller.Type: ApplicationFiled: November 8, 2011Publication date: May 31, 2012Inventors: Myung Kook MOON, Hyun Taek Nam, Jong Woo Kim
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Publication number: 20120133627Abstract: An LCD device is discussed in which a level shifter generates two switching signals, and transmits the generated signals to a gate driver of a liquid crystal display panel by the use of one voltage signal transmitted from a timing controller. The LCD device according to an embodiment includes a liquid crystal display panel in which a gate driver for alternately driving two transistors is formed; a data driver which drives data lines of the liquid crystal display panel; a timing controller which generates one voltage signal for switching the two transistors, and outputs the one voltage signal; and a level shifter which generates two of first and second switching signals to switch the two transistors by using the one voltage signal, and outputs the generated switching signals to the gate driver.Type: ApplicationFiled: November 9, 2011Publication date: May 31, 2012Inventors: Myung Kook MOON, Hyun Taek Nam, Jong Woo Kim
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Publication number: 20110269170Abstract: The present invention relates to a pH sensitive particle, a method of preparation thereof, and a use thereof. More particularly, the invention provides a pH sensitive metal nanoparticle and its use for medical treatment utilizing cell necrosis during photothermal therapy. The pH sensitive metal nanoparticle based on this invention consists of a pH sensitive ligand compound whose charge changes depending on the pH of the metal nanoparticle. The particle can be collected in cells, such as cancer cells which present an abnormal pH environment. The pH sensitive metal nanoparticle based on this invention can induce cell death through a photothermal procedure after aggregation. Therefore, the invention enables medical treatment using cell necrosis for e.g. cancer treatment.Type: ApplicationFiled: July 3, 2009Publication date: November 3, 2011Applicant: Postech Academy-Industry FoundationInventors: Sung Jee Kim, Sang Hwa Jeong, Hyo Kyun Chung, Ju Taek Nam, Na Youn Won
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Publication number: 20110261029Abstract: Disclosed is an apparatus for driving an LCD device displaying 2D image, and 3D image through the use of shutter glass comprising: a lookup table part including a 3D lookup table for generating 3D overdriving data to be reflected in 3D image data, and a 2D lookup table for generating 2D overdriving data to be reflected in 2D image data; a lookup table selecting part for selecting the 2D lookup table or 3D lookup table provided from the lookup table part according to 2D or 3D mode input; an ODC data generating part for generating the 2D overdriving data to be reflected in the 2D image, and the 3D overdriving data to be reflected in the 3D image according to 2D or 3D mode input; and a shutter glass controlling part for controlling an operation of shutter glass so that a user recognizes an image displayed on a liquid crystal panel as the 3D image.Type: ApplicationFiled: December 8, 2010Publication date: October 27, 2011Inventors: Myung Kook MOON, Hyun Taek NAM, Sung Jo KOO, Jong Woo KIM
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Patent number: 8035591Abstract: A display device includes a processor for outputting a most-significant m-bit data from an n-bit data and one of a plurality of patterns indicative of first and second locations of a first modulation data in first and second consecutive frames, respectively, in accordance with least significant (n?m) bits of the n-bit data, and a data driver for generating a gray scale value corresponding to the most significant m-bit data and modulating the gray scale value in accordance with the one of the plurality of the patterns, wherein the number of the first location increases at different ratios based on the gray scale.Type: GrantFiled: June 25, 2007Date of Patent: October 11, 2011Assignee: LG Display Co., Ltd.Inventors: Han Yung Jung, Hyun Taek Nam
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Publication number: 20110121821Abstract: Provided is a magnetic core having an appropriate range of permeability and a high magnetic flux density, thereby being configured to have a small phase difference and a small size. The magnetic core can be use for electric current sensors. The magnetic core is made of an amorphous alloy having a composition represented by the general formula: FeaMbSicBdM?e, in which M is at least one element that is selected from Ni and Co, and M? is Cr, and a to e are atomic % and numbers satisfying 30?a?80, 1?b?50, 0.1?c?20, 0.1?d?20, and 0?e?10, respectively, and wherein the amorphous alloy has a magnetic flux density of 1.2 T to 1.7 T, and a permeability of 1,000 to 4,000.Type: ApplicationFiled: November 5, 2008Publication date: May 26, 2011Applicant: AMOGREENTECH CO., LTD.Inventors: Yong Sul Song, Jin Taek Nam, Dong Wook Jang