Patents by Inventor Jong-Hyun Seo
Jong-Hyun Seo 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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Patent number: 10340294Abstract: Disclosed is a method for manufacturing a thin film transistor. The method for manufacturing a thin film transistor includes: forming a patterned semiconductor layer and a patterned wiring layer on a substrate; and etching the wiring layer to form a channel part. Herein, the wiring layer includes a compensation layer and the compensation layer is formed from a material including a metal of a metal oxide component among components of a material forming the semiconductor layer.Type: GrantFiled: October 14, 2015Date of Patent: July 2, 2019Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventor: Jong Hyun Seo
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Publication number: 20170243891Abstract: Disclosed is a method for manufacturing a thin film transistor. The method for manufacturing a thin film transistor includes: forming a patterned semiconductor layer and a patterned wiring layer on a substrate; and etching the wiring layer to form a channel part. Herein, the wiring layer includes a compensation layer and the compensation layer is formed from a material including a metal of a metal oxide component among components of a material forming the semiconductor layer.Type: ApplicationFiled: October 14, 2015Publication date: August 24, 2017Applicant: Industry-University Cooperation Foundation Korea Aerospace UniversityInventor: Jong Hyun SEO
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Patent number: 9335601Abstract: A thin film transistor substrate for a liquid crystal display device includes a substrate, a metal layer on the substrate, and an aluminum complex oxide layer on the metal layer. The aluminum complex oxide layer comprises at least one selected from the group consisting of zirconium, tungsten, chromium and molybdenum. A passivation layer is formed on the aluminum complex oxide layer through a dipping process.Type: GrantFiled: July 17, 2013Date of Patent: May 10, 2016Assignee: Samsung Display Co., Ltd.Inventors: Jong-Hyun Seo, Mun-Pyo Hong, Nam-Seok Roh
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Patent number: 8871578Abstract: A method for manufacturing a thin film transistor includes forming a semiconductor layer, a wiring layer and a patterned mask layer in sequence on a substrate on which a gate electrode and a gate insulating layer are formed; patterning the wiring layer and the semiconductor layer based on the patterned mask layer while irradiating external light; removing at least a part of the mask layer; forming a channel portion by etching the wiring layer while controlling irradiation of the external light. Further, the method for manufacturing the thin film transistor can obtain an improved structure by forming the semiconductor layer made of an oxide which reacts to external light irradiated thereto, thus capable of adjusting a selectivity between the semiconductor layer and the wiring layer.Type: GrantFiled: October 27, 2011Date of Patent: October 28, 2014Assignee: Industry-University Cooperation Foundation Korea Aerospace UniversityInventor: Jong Hyun Seo
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Publication number: 20130302925Abstract: A thin film transistor substrate for a liquid crystal display device includes a substrate, a metal layer on the substrate, and an aluminum complex oxide layer on the metal layer. The aluminum complex oxide layer comprises at least one selected from the group consisting of zirconium, tungsten, chromium and molybdenum. A passivation layer is formed on the aluminum complex oxide layer through a dipping process.Type: ApplicationFiled: July 17, 2013Publication date: November 14, 2013Applicant: Samsung Display Co., Ltd.Inventors: Jong-Hyun SEO, Mun-Pyo HONG, Nam-Seok ROH
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Publication number: 20130217192Abstract: A method for manufacturing a thin film transistor includes forming a semiconductor layer, a wiring layer and a patterned mask layer in sequence on a substrate on which a gate electrode and a gate insulating layer are formed; patterning the wiring layer and the semiconductor layer based on the patterned mask layer while irradiating external light; removing at least a part of the mask layer; forming a channel portion by etching the wiring layer while controlling irradiation of the external light. Further, the method for manufacturing the thin film transistor can obtain an improved structure by forming the semiconductor layer made of an oxide which reacts to external light irradiated thereto, thus capable of adjusting a selectivity between the semiconductor layer and the wiring layer.Type: ApplicationFiled: October 27, 2011Publication date: August 22, 2013Inventor: Jong Hyun Seo
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Patent number: 8513677Abstract: A thin film transistor substrate for a liquid crystal display device includes a substrate, a metal layer on the substrate, and an aluminum complex oxide layer on the metal layer. The aluminum complex oxide layer comprises at least one selected from the group consisting of zirconium, tungsten, chromium and molybdenum. A passivation layer is formed on the aluminum complex oxide layer through a dipping process.Type: GrantFiled: March 16, 2006Date of Patent: August 20, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jong-Hyun Seo, Mun-Pyo Hong, Nam-Seok Roh
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Patent number: 8416063Abstract: Provided are a method and apparatus for stopping power supply to a radio frequency identification (RFID) system. The apparatus includes: a power supplier supplying power to a high RFID tag; an input unit rectifying and boosting an input predetermined frequency band signal and outputting a direct-current (DC) voltage signal; a wake-up determiner comparing a voltage of the DC voltage signal output from the input unit with a predetermined reference voltage and outputting a HIGH signal or a LOW signal; and a switch stopping power supply to the high RFID tag if the wake-up determiner outputs the LOW signal.Type: GrantFiled: October 24, 2007Date of Patent: April 9, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Young Jung, Hae Won Son, Jun Ho Yeo, Jong Hyun Seo, Su Na Choi, Gil Young Choi, Cheol Sig Pyo
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Publication number: 20120110759Abstract: Provided is an automatic cleaner, which includes a first moving part, a second moving part, a moving wheel, a driving motor, a fixing member, and a control part. The first moving part is movably disposed at a side of an object to be cleaned. The second moving part is movably disposed at another side of the object. The moving wheel is disposed on at least one of the first moving part and the second moving part. The driving motor provides driving force to the moving wheel. The fixing member fixes the first moving part and the second moving part to each other through the object. The control part increases or decreases the driving force output from the driving motor according to a moving direction of the first or second moving part.Type: ApplicationFiled: July 16, 2010Publication date: May 10, 2012Inventor: Jong-Hyun Seo
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Patent number: 7917834Abstract: Provided are an apparatus and method for efficiently computing a log likelihood ratio (LLR) using the maximum a posteriori (MAP) algorithm known as block combining. The method includes the steps of: calculating alpha values, beta values and gamma values of at least two time sections; calculating transition probabilities of respective states in the at least two time sections; performing a comparison operation for some of the transition probabilities to determine the highest value, selecting one of the other transition probabilities according to the determined high value, comparing the determined value with the selected value to select the higher value, and thereby obtaining the highest of the transition probabilities; and determining an operation to apply according to the highest transition probability and calculating an LLR.Type: GrantFiled: December 7, 2006Date of Patent: March 29, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Jong Hyun Seo, Byung Jo Kim, Seong Su Park
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Patent number: 7884723Abstract: Provided are a radio frequency identification (RFID) tag and a wake-up method thereof. The RFID tag includes: a power source that supplies a driving voltage; a continuous wave detector that receives the driving voltage from the power supply so as to detect a continuous wave in a signal received from an RFID tag reader; a command detector that selectively receives the driving voltage and detects a command in the signal; and a controller that executes the command detected by the command detector by supplying the driving voltage to the command detector if the continuous wave is detected, and stops the driving voltage from being supplied to the command detector if no command is received from the command detector for a predetermined time period.Type: GrantFiled: October 30, 2007Date of Patent: February 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Young Jung, Hae Won Son, Jong Hyun Seo, Junho Yeo, Gil Young Choi, Nae Soo Kim, Cheol Sig Pyo, Jong Suk Chae
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Patent number: 7861135Abstract: Provided is a turbo decoder with a variable scaling factor. The decoding convergence degree of the turbo decoder is evaluated using a sign difference ratio (SDR) value, the iterative-decoding number is limited, a variable scaling factor is calculated and applied in each decoding convergence area based on the SDR value, and the average number of decoding iterations is reduced.Type: GrantFiled: February 2, 2007Date of Patent: December 28, 2010Assignee: Electronics and Telecommunications Research Institute of DaejeonInventors: Byung Jo Kim, Seok Bong Hyun, Seong Su Park, Jae Bum Kim, Hyun Cheol Park, Jong Hyun Seo
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Patent number: 7656497Abstract: Provided is a substrate for a liquid crystal display which is resistant to deformation. The substrate includes a flexible substrate, first and second barrier layers respectively disposed on first and second surfaces of the flexible substrate, and first and second hard coating layers respectively disposed on the first and second barrier layers.Type: GrantFiled: December 29, 2008Date of Patent: February 2, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Woo-jae Lee, Hyung-il Jeon, Wang-su Hong, Jong-hyun Seo
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Publication number: 20090115955Abstract: Provided is a substrate for a liquid crystal display which is resistant to deformation. The substrate includes a flexible substrate, first and second barrier layers respectively disposed on first and second surfaces of the flexible substrate, and first and second hard coating layers respectively disposed on the first and second barrier layers.Type: ApplicationFiled: December 29, 2008Publication date: May 7, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Woo-jae Lee, Hyung-il Jeon, Wang-su Hong, Jong-hyun Seo
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Patent number: 7507594Abstract: A method of manufacturing a contact portion is provided, which includes: forming a first signal line on a substrate (110), forming a insulating layer (140) covering the first signal line and having a contact hole (182, 185) exposing the first signal line; forming a contact layer (700) on the exposed surface of the first signal through the contact hole; and forming a second signal line (82, 190) connected to the first signal line via the contact layer. Wherein the first signal line is made of Al or Al alloy, and the second signal line is made of ITO or IZO.Type: GrantFiled: February 11, 2005Date of Patent: March 24, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-Hyun Seo, Mun-Pyo Hong, Dae-Ok Kim
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Patent number: 7507616Abstract: A method of manufacturing a flexible display is provided, which includes forming a gate line including a gate electrode on a substrate, sequentially depositing a gate insulating layer covering the gate line, and a semiconductor layer, firstly etching the semiconductor layer; secondly etching the semiconductor layer, forming a data line including a source electrode, and a drain electrode on the semiconductor layer and the gate insulating layer; and forming a pixel electrode connected to the drain electrode.Type: GrantFiled: January 3, 2006Date of Patent: March 24, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-Hyun Seo, Tae-Young Choi
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Patent number: 7486373Abstract: Provided is a substrate for a liquid crystal display which is resistant to deformation. The substrate includes a flexible substrate, first and second barrier layers respectively disposed on first and second surfaces of the flexible substrate, and first and second hard coating layers respectively disposed on the first and second barrier layers.Type: GrantFiled: September 6, 2006Date of Patent: February 3, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Woo-jae Lee, Hyung-il Jeon, Wang-su Hong, Jong-hyun Seo
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Publication number: 20080136603Abstract: A battery-powered RFID tag capable of reducing power consumption and a method of waking up the RFID tag are provided. The battery-powered RFID tag has an activated mode where a general command is detected by decoding a signal received from an RFID tag reader and the general command is executed and a standby mode where the general command is not detected. If a voltage of a continuous wave detected from the signal is equal to or higher than a predetermined voltage or if a wake-up command is detected from the signal, the state of the RFID tag is changed from the standby mode to the activated mode. In addition, the RFID tag is driven by a higher one between the voltage of the continuous wave and a voltage of a built-in battery.Type: ApplicationFiled: October 19, 2007Publication date: June 12, 2008Applicant: Electronics and Telecommunications Research InstituteInventors: Su Na Choi, Hae Won Son, JunHo Yeo, Jae Young Jung, Jong Hyun Seo, Gil Young Choi, Cheol Sig Pyo, Jong Suk Chae
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Publication number: 20080136594Abstract: Provided are a method and apparatus for stopping power supply to a radio frequency identification (RFID) system. The apparatus includes: a power supplier supplying power to a high RFID tag; an input unit rectifying and boosting an input predetermined frequency band signal and outputting a direct-current (DC) voltage signal; a wake-up determiner comparing a voltage of the DC voltage signal output from the input unit with a predetermined reference voltage and outputting a HIGH signal or a LOW signal; and a switch stopping power supply to the high RFID tag if the wake-up determiner outputs the LOW signal.Type: ApplicationFiled: October 24, 2007Publication date: June 12, 2008Inventors: Jae-Young JUNG, Hae Won SON, Jun Ho YEO, Jong Hyun SEO, Su Na CHOI, Gil Young CHOI, Cheol Sig PYO
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Publication number: 20080122625Abstract: Provided are a radio frequency identification (RFID) tag and a wake-up method thereof. The RFID tag includes: a power source that supplies a driving voltage; a continuous wave detector that receives the driving voltage from the power supply so as to detect a continuous wave in a signal received from an RFID tag reader; a command detector that selectively receives the driving voltage and detects a command in the signal; and a controller that executes the command detected by the command detector by supplying the driving voltage to the command detector if the continuous wave is detected, and stops the driving voltage from being supplied to the command detector if no command is received from the command detector for a predetermined time period.Type: ApplicationFiled: October 30, 2007Publication date: May 29, 2008Inventors: Jae-Young JUNG, Hae Won SON, Jong Hyun SEO, Junho YEO, Gil Young CHOI, Nae Soo KIM, Cheol Sig PYO, Jong Suk CHAE