Patents by Inventor Woo Seok Cheong
Woo Seok Cheong 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: 11003270Abstract: According to an embodiment of the inventive concept, a touch screen panel includes a substrate, touch cells disposed on the substrate and including a driving electrode pattern and a sensing electrode pattern, driving lines and sensing lines connected to the touch cells, and bonding pads connected to the driving lines and the sensing lines. Here, the driving electrode pattern and the sensing electrode pattern are provided by stacking a lower oxide layer, an intermediate metal layer, and an upper oxide layer.Type: GrantFiled: February 12, 2020Date of Patent: May 11, 2021Assignee: Electronics and Telecommunications Research InstituteInventor: Woo-Seok Cheong
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Patent number: 10927470Abstract: An apparatus for fabricating an electrode structure includes a high voltage unit, a plating material part facing the high voltage unit, and a transfer roll to which a negative voltage is applied. The high voltage unit includes a high voltage roll, and an insulating sheath configured to cover a surface of the high voltage roll. The high voltage roll is applied with a voltage of about 1 kV to about 100 kV, the plating material part is applied with a positive voltage, and the high voltage unit and the transfer roll rotate.Type: GrantFiled: April 13, 2018Date of Patent: February 23, 2021Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Woo-Seok Cheong
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Patent number: 10919498Abstract: Provided is a fog removing device including a sensor configured to detect fog to generate sensing data, a heater configured to generate heat to remove the fog, and a control unit configured to supply a power to the heater by using the sensing data. The sensor includes a substrate, a first electrode and a second electrode, which are provided on the substrate and electrically disconnected from each other, and a recess region defined between the first and second electrodes.Type: GrantFiled: April 27, 2018Date of Patent: February 16, 2021Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Woo-Seok Cheong, Chan Hwa Hong
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Patent number: 10822712Abstract: An electroplating apparatus includes a substrate, a seed layer provided on a top surface of the substrate, a high-voltage portion provided on a bottom surface of the substrate, a housing sealing the high-voltage portion, an anode structure spaced apart from the seed layer in a direction perpendicular to the top surface of the substrate, first power source generating a first voltage difference between the seed layer and the anode structure, and a second power source applying a second voltage to the high-voltage portion. A positive terminal of the first power source is electrically connected to the anode structure, and a negative terminal of the first power source is electrically connected to the seed layer.Type: GrantFiled: September 5, 2017Date of Patent: November 3, 2020Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Woo-Seok Cheong
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Publication number: 20200257393Abstract: According to an embodiment of the inventive concept, a touch screen panel includes a substrate, touch cells disposed on the substrate and including a driving electrode pattern and a sensing electrode pattern, driving lines and sensing lines connected to the touch cells, and bonding pads connected to the driving lines and the sensing lines. Here, the driving electrode pattern and the sensing electrode pattern are provided by stacking a lower oxide layer, an intermediate metal layer, and an upper oxide layer.Type: ApplicationFiled: February 12, 2020Publication date: August 13, 2020Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Woo-Seok CHEONG
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Patent number: 10236398Abstract: The present disclosure relates to a transparent electrode, and provides a method for manufacturing a transparent electrode, the method comprising forming a multi-layered transparent conductive film by sequentially laminating a first oxide layer, a metal layer, and a second oxide layer on a transparent substrate, forming a mask pattern on the second oxide layer, performing an etching process using the mask pattern as an etching mask to form, in the second oxide layer, a trench exposing the upper surface of the metal layer, and forming a metal pattern in the trench.Type: GrantFiled: April 7, 2016Date of Patent: March 19, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Woo-Seok Cheong
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Publication number: 20190055662Abstract: An apparatus for fabricating an electrode structure includes a high voltage unit, a plating material part facing the high voltage unit, and a transfer roll to which a negative voltage is applied. The high voltage unit includes a high voltage roll, and an insulating sheath configured to cover a surface of the high voltage roll. The high voltage roll is applied with a voltage of about 1 kV to about 100 kV, the plating material part is applied with a positive voltage, and the high voltage unit and the transfer roll rotate.Type: ApplicationFiled: April 13, 2018Publication date: February 21, 2019Inventor: Woo-Seok CHEONG
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Publication number: 20180319371Abstract: Provided is a fog removing device including a sensor configured to detect fog to generate sensing data, a heater configured to generate heat to remove the fog, and a control unit configured to supply a power to the heater by using the sensing data. The sensor includes a substrate, a first electrode and a second electrode, which are provided on the substrate and electrically disconnected from each other, and a recess region defined between the first and second electrodes.Type: ApplicationFiled: April 27, 2018Publication date: November 8, 2018Inventors: Woo-Seok CHEONG, Chan Hwa HONG
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Publication number: 20180162323Abstract: Provided is a fogging removal system. The fogging removal system includes: a first substrate; a heating unit disposed on the first substrate; a second substrate disposed on the heating unit; a first electrode disposed on the second substrate; and a control unit electrically connected to the heating unit and the first electrode. The heating unit heats at least a portion of the second substrate, and the heating unit and the first electrode constitute a capacitor.Type: ApplicationFiled: June 21, 2017Publication date: June 14, 2018Inventors: Chan-Hwa HONG, Woo-Seok CHEONG
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Publication number: 20180087174Abstract: An electroplating apparatus includes a substrate, a seed layer provided on a top surface of the substrate, a high-voltage portion provided on a bottom surface of the substrate, a housing sealing the high-voltage portion, an anode structure spaced apart from the seed layer in a direction perpendicular to the top surface of the substrate, first power source generating a first voltage difference between the seed layer and the anode structure, and a second power source applying a second voltage to the high-voltage portion. A positive terminal of the first power source is electrically connected to the anode structure, and a negative terminal of the first power source is electrically connected to the seed layer.Type: ApplicationFiled: September 5, 2017Publication date: March 29, 2018Inventor: Woo-Seok CHEONG
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Publication number: 20170012147Abstract: The present disclosure relates to a transparent electrode, and provides a method for manufacturing a transparent electrode, the method comprising forming a multi-layered transparent conductive film by sequentially laminating a first oxide layer, a metal layer, and a second oxide layer on a transparent substrate, forming a mask pattern on the second oxide layer, performing an etching process using the mask pattern as an etching mask to form, in the second oxide layer, a trench exposing the upper surface of the metal layer, and forming a metal pattern in the trench.Type: ApplicationFiled: April 7, 2016Publication date: January 12, 2017Inventor: Woo-Seok CHEONG
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Patent number: 9542052Abstract: Provided herein is an electrostatic capacitive type window integrated touch screen panel and a method for manufacturing a touch screen panel thereof, the method comprising: forming an oxide metal oxide (OMO) hybrid electrode on a strengthened substrate; and etching the OMO hybrid electrode and forming a pattern, and forming a pattern insertion layer on the pattern, wherein the OMO hybrid electrode is formed by depositing a bottom-layer, metal-layer and top-layer on top of the strengthened substrate, and the pattern insertion layer is formed based on an oxide having a refractive index of a certain range.Type: GrantFiled: January 22, 2015Date of Patent: January 10, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Woo Seok Cheong, Jae Heon Shin, Rae Man Park, Kyung Hyun Kim
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Patent number: 9331218Abstract: Provided are a solar cell module and a method of manufacturing the same. The solar cell module including: a substrate; a bottom electrode layer discontinuously formed on the substrate; a light absorbing layer formed on the bottom electrode layer and including a first trench that exposes the bottom electrode layer; and a transparent electrode layer extending from the top of the light absorbing layer to the bottom electrode layer at the bottom of the first trench, and including a first oxide layer, a metal layer, and a second oxide layer, all of which are staked on the light absorbing layer and the bottom electrode layer.Type: GrantFiled: September 13, 2012Date of Patent: May 3, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Woo-Seok Cheong, Rae-Man Park
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Patent number: 9298290Abstract: Provided are touch screen panels with improved transmittance and methods of fabricating the same. the method may include preparing a substrate including a cell region and an interconnection region provided around the cell region, sequentially forming a first buffer layer and a second buffer layer on the substrate, the second buffer layer having a refractive index less than that of the first buffer layer, and forming a transparent electrode on the second buffer layer. The second buffer layer is formed of a SiOC material.Type: GrantFiled: December 18, 2012Date of Patent: March 29, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jaeheon Shin, Kyung Hyun Kim, Woo-Seok Cheong, Rae-Man Park
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Publication number: 20150346865Abstract: A touch screen panel is provided. The panel includes a substrate including a cell area and a wiring area around the cell area; first electrode cells arranged in a first direction on the cell area of the substrate; second electrode cells on the cell area of the substrate, the second electrode cells disposed between the first electrode cells and arranged in a second direction intersecting the first direction; first connection electrodes on the cell area of the substrate, the first connection electrodes connecting the first electrode cells in the first direction; an insulating pattern covering the first connection electrodes and a portion of the second electrode cells adjacent to the first connection electrodes, the insulating pattern including contact holes exposing the second electrode cells; and second connection electrodes on the insulating patterns and connecting the adjacent second electrode cells in the second direction through the contact holes.Type: ApplicationFiled: March 13, 2015Publication date: December 3, 2015Inventors: Chan Hwa HONG, Woo-Seok CHEONG
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Publication number: 20150286314Abstract: Provided herein is an electrostatic capacitive type window integrated touch screen panel and a method for manufacturing a touch screen panel thereof, the method comprising: forming an oxide metal oxide (OMO) hybrid electrode on a strengthened substrate; and etching the OMO hybrid electrode and forming a pattern, and forming a pattern insertion layer on the pattern, wherein the OMO hybrid electrode is formed by depositing a bottom-layer, metal-layer and top-layer on top of the strengthened substrate, and the pattern insertion layer is formed based on an oxide having a refractive index of a certain range.Type: ApplicationFiled: January 22, 2015Publication date: October 8, 2015Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Woo Seok CHEONG, Jae Heon SHIN, Rae Man PARK, Kyung Hyun KIM
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Patent number: 9115425Abstract: Provided is a thin film depositing apparatus. The thin film depositing apparatus includes: a loading chamber loading a plurality of substrates; a first process chamber connected to the loading chamber and including a plurality of sputter guns inducing a first plasma on the plurality of substrates; a buffer chamber connected to the other side of the first process chamber facing the loading chamber; and a substrate transfer module simultaneously passing the plurality of substrates between the plurality of sputter guns during a process using the first plasma and transferring the plurality of substrates from the first process chamber to the buffer chamber.Type: GrantFiled: July 14, 2011Date of Patent: August 25, 2015Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Woo-Seok Cheong
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Patent number: 9019219Abstract: Touch screen panels are provided. The touch screen panel may include a first hybrid electrode including first electrode cells arranged on a substrate in a first direction and first connection electrodes connecting the first electrode cells to each other in the first direction, and a second hybrid electrode spaced apart from the first hybrid electrode on the substrate. The second hybrid electrode may include second electrode cells arranged in a second direction crossing the first direction and second connection electrodes connecting the second electrode cells to each other in the second direction. The second electrode cells are disposed between the first connection electrodes. The first hybrid electrode may include a first lower transparent layer and a first metal layer which are sequentially stacked, and the second hybrid electrode may include a second lower transparent layer and a second metal layer which are sequentially stacked.Type: GrantFiled: July 11, 2012Date of Patent: April 28, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Woo-Seok Cheong, Jaeheon Shin
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Publication number: 20140327841Abstract: Provided is a touch screen panel. The touch screen panel according to an embodiment of the inventive concept includes a transparent substrate including a first region and a second region, a buffer layer disposed on the first region and second region, the buffer layer having a first transmittances, and a transparent indium tin oxide (ITO) electrode disposed on the buffer layer of the second region, the transparent ITO electrode and the buffer layer on the second region having a second transmittance, wherein a thickness of the transparent ITO electrode is 100 nm to 500 nm, and a difference between the first transmittance and the second transmittance is less than 1.5%.Type: ApplicationFiled: February 10, 2014Publication date: November 6, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Jaeheon SHIN, Woo-Seok CHEONG, Kyung Hyun KIM, Rae-Man PARK, Chan Hwa HONG
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Patent number: 8809857Abstract: Provided are a thin film transistor in which an oxide semiconductor combined with a nitride containing boron or aluminum is applied to a channel layer and a method of fabricating the same. The thin film transistor in which an oxide semiconductor combined with a nitride containing boron or aluminum is applied to a channel layer exhibits significantly improved mobility and increased stability at a high temperature.Type: GrantFiled: September 17, 2013Date of Patent: August 19, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Woo Seok Cheong, Sung Mook Chung, Jun Yong Bak