Patents by Inventor Jeong Kweon Park
Jeong Kweon Park 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: 10825837Abstract: Various embodiments provide a substrate processing apparatus for grinding a substrate, and a display device including a substrate in which a hole is formed in an edge of the substrate using the substrate processing apparatus. The substrate processing apparatus for processing a display substrate includes a body which, in operation, rotates, a cylindrical grinding part connected to the body, and a lateral groove formed in a surface of the cylindrical grinding part. The lateral groove is configured to accommodate the display substrate. Thus, it is possible to form a hole by grinding an edge of the display substrate so as to be matched with a designed value.Type: GrantFiled: August 10, 2017Date of Patent: November 3, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Ik Hyun Kuon, Jeong Kweon Park, Ju Ik Hong, Jangcheol Kim, Jinwook Kwak
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Patent number: 10748771Abstract: Disclosed herein is an apparatus for processing a substrate that forms a hole in a substrate while reducing a burr in the hole so that a module device can be inserted into the hole to reduce the thickness of a display device, and the display device using the apparatus. The apparatus for processing the substrate comprises a body configured to operably be rotatable, and a cylindrical cutting tip at an end of the body. The bottom surface of the cutting tip is in an acute angle with respect to a contact surface of the substrate to allow formation of a groove at the substrate.Type: GrantFiled: February 22, 2019Date of Patent: August 18, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Jeong Kweon Park, Jeong Joon Lee, Ju Ik Hong, Sang Chul Lee, Jangcheol Kim, Ik Hyun Kuon, Tagyoung Choi, Jinwook Kwak
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Patent number: 10700047Abstract: Disclosed are a display apparatus, where a component disposition area facing a component disposed on a lower end of a non-display area of a panel is removed in a lower substrate configuring the panel, and a method of manufacturing the same.Type: GrantFiled: September 28, 2015Date of Patent: June 30, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Ju Ik Hong, Jeong Kweon Park, Sang Ryeon Park, Yong Soo Kim, Jang Cheol Kim, Ik Hyun Kuon
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Publication number: 20190189448Abstract: Disclosed herein is an apparatus for processing a substrate that forms a hole in a substrate while reducing a burr in the hole so that a module device can be inserted into the hole to reduce the thickness of a display device, and the display device using the apparatus. The apparatus for processing the substrate comprises a body configured to operably be rotatable, and a cylindrical cutting tip at an end of the body. The bottom surface of the cutting tip is in an acute angle with respect to a contact surface of the substrate to allow formation of a groove at the substrate.Type: ApplicationFiled: February 22, 2019Publication date: June 20, 2019Inventors: Jeong Kweon PARK, Jeong Joon Lee, Ju Ik Hong, Sang Chul Lee, Jangcheol Kim, Ik Hyun Kuon, Tagyoung CHOI, Jinwook Kwak
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Patent number: 10276383Abstract: Disclosed herein is an apparatus for processing a substrate that forms a hole in a substrate while reducing a burr in the hole so that a module device can be inserted into the hole to reduce the thickness of a display device, and the display device using the apparatus. The apparatus for processing the substrate comprises a body configured to operably be rotatable, and a cylindrical cutting tip at an end of the body. The bottom surface of the cutting tip is in an acute angle with respect to a contact surface of the substrate to allow formation of a groove at the substrate.Type: GrantFiled: July 3, 2017Date of Patent: April 30, 2019Assignee: LG Display Co., Ltd.Inventors: Jeong Kweon Park, Jeong Joon Lee, Ju Ik Hong, Sang Chul Lee, Jangcheol Kim, Ik Hyun Kuon, Tagyoung Choi, Jinwook Kwak
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Publication number: 20180097018Abstract: Various embodiments provide a substrate processing apparatus for grinding a substrate, and a display device including a substrate in which a hole is formed in an edge of the substrate using the substrate processing apparatus. The substrate processing apparatus for processing a display substrate includes a body which, in operation, rotates, a cylindrical grinding part connected to the body, and a lateral groove formed in a surface of the cylindrical grinding part. The lateral groove is configured to accommodate the display substrate. Thus, it is possible to form a hole by grinding an edge of the display substrate so as to be matched with a designed value.Type: ApplicationFiled: August 10, 2017Publication date: April 5, 2018Inventors: Ik Hyun KUON, Jeong Kweon PARK, Ju Ik HONG, Jangcheol KIM, Jinwook KWAK
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Publication number: 20180019126Abstract: Disclosed herein is an apparatus for processing a substrate that forms a hole in a substrate while reducing a burr in the hole so that a module device can be inserted into the hole to reduce the thickness of a display device, and the display device using the apparatus. The apparatus for processing the substrate comprises a body configured to operably be rotatable, and a cylindrical cutting tip at an end of the body. The bottom surface of the cutting tip is in an acute angle with respect to a contact surface of the substrate to allow formation of a groove at the substrate.Type: ApplicationFiled: July 3, 2017Publication date: January 18, 2018Inventors: Jeong Kweon PARK, Jeong Joon LEE, Ju Ik HONG, Sang Chul LEE, Jangcheol KIM, Ik Hyun KUON, Tagyoung CHOI, Jinwook KWAK
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Publication number: 20160093596Abstract: Disclosed are a display apparatus, where a component disposition area facing a component disposed on a lower end of a non-display area of a panel is removed in a lower substrate configuring the panel, and a method of manufacturing the same.Type: ApplicationFiled: September 28, 2015Publication date: March 31, 2016Inventors: Ju Ik HONG, Jeong Kweon PARK, Sang Ryeon PARK, Yong Soo KIM, Jang Cheol KIM, Ik Hyun KUON
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Patent number: 8303786Abstract: A sputtering apparatus comprises a plurality of independent plasma generation regions formed in a single process chamber; a cathode disposed at an edge portion of each of the plurality of independent plasma generation regions; a gas supply line to supply a reaction gas to the plurality of independent plasma generation regions; and a shielding film disposed between the plurality of independent plasma generation regions to prevent reaction gases generated in the plurality of independent plasma generation regions from being mixed and introduced to an outside.Type: GrantFiled: March 15, 2005Date of Patent: November 6, 2012Assignee: LG Display Co., Ltd.Inventors: Jeong-Kweon Park, Sung-Eun Kim
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Patent number: 8173930Abstract: An apparatus for cutting a substrate includes a laser oscillator generating a femtosecond laser beam, a first beam splitter splitting the femtosecond laser beam into first and second femtosecond laser beams, a first condenser lens receiving the first femtosecond laser beam and condensing the first femtosecond laser beam to have a first focal depth, a second condenser lens receiving the second femtosecond laser beam, and condensing the second femtosecond laser beam to have a second focal depth different from the first focal depth, and a second beam splitter receiving and splitting the first femtosecond laser beam condensed through the first condenser lens and the second femtosecond laser beam condensed through the second condenser lens, and irradiating the split first and second femtosecond laser beams at different positions on a substrate to be cut.Type: GrantFiled: November 20, 2009Date of Patent: May 8, 2012Assignee: LG Display Co., Ltd.Inventor: Jeong Kweon Park
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Patent number: 8128995Abstract: An apparatus for fabricating a liquid crystal display panel includes a slit nozzle for applying a photo-resist liquid on a substrate, a nozzle driver for driving the slit nozzle, an air intake for inhaling air and/or impurities on the substrate through the slit nozzle before photo-resist is deposited on the substrate, and a gas supplier for supplying a gas through one or more channels in the slit nozzle to the substrate after the photo-resist is deposited on the substrate.Type: GrantFiled: May 8, 2007Date of Patent: March 6, 2012Assignee: LG Display Co., Ltd.Inventors: Jeong Kweon Park, O Jun Kwon
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Patent number: 8053021Abstract: A coating apparatus and an operating method thereof that prevent damage to the nozzle of a spinless coater from impurities on a substrate during resin coating of the substrate, and impurities remaining on a stage at the bottom of the substrate. The coating apparatus comprises a stage, a nozzle, a nozzle cleaner, and a stage cleaner. A substrate is placed upon the stage. The nozzle discharges resin on the substrate to perform coating. The nozzle cleaner cleans the nozzle. The stage cleaner cleans the stage. The operating method includes removing a coated first substrate from atop a stage, cleaning the stage using a stage cleaner, introducing a second substrate to be coated onto the cleaned stage, and discharging resin through a nozzle onto the second substrate and coating the second substrate.Type: GrantFiled: September 22, 2009Date of Patent: November 8, 2011Assignee: LG Display Co., Ltd.Inventors: Jeong Kweon Park, Seung Bum Lee, Sang Hyoung Jin
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Patent number: 7914843Abstract: A slit coater having a pre-applying unit and a coating method using the same that minimizes the amount of washing solution used and improves the washing effectiveness of a roller by separating the coating solution attached to a pre-applying roller from the washing solution using a coating solution separating apparatus. The slit coater includes: a table on which an object to be processed is mounted; a slit nozzle applying coating solution onto a surface of the object; a pre-applying unit to which the slit nozzle pre-applies the coating solution; and a coating solution separating unit that separates the coating solution spread when the coating solution is pre-applied to the slit nozzle and discharges the separated coating solution.Type: GrantFiled: August 19, 2005Date of Patent: March 29, 2011Assignee: LG Display Co., Ltd.Inventors: Jeong Kweon Park, Kang Il Cho, Seong Kwon
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Patent number: 7767555Abstract: A method for cutting a substrate is disclosed which uses a femtosecond laser capable of preventing thermal expansion and generation of shock waves from occurring around a region where a cutting process is carried out when the femtosecond laser is used to cut the substrate, thereby being capable of achieving a reduction in costs. The method includes the steps of arranging the substrate on a stage, and irradiating a femtosecond laser to a predetermined portion of the substrate arranged on the stage, thereby cutting the substrate along the predetermined substrate portion.Type: GrantFiled: June 28, 2005Date of Patent: August 3, 2010Assignee: LG. Display Co., Ltd.Inventor: Jeong Kweon Park
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Publication number: 20100072183Abstract: An apparatus for cutting a substrate includes a laser oscillator generating a femtosecond laser beam, a first beam splitter splitting the femtosecond laser beam into first and second femtosecond laser beams, a first condenser lens receiving the first femtosecond laser beam and condensing the first femtosecond laser beam to have a first focal depth, a second condenser lens receiving the second femtosecond laser beam, and condensing the second femtosecond laser beam to have a second focal depth different from the first focal depth, and a second beam splitter receiving and splitting the first femtosecond laser beam condensed through the first condenser lens and the second femtosecond laser beam condensed through the second condenser lens, and irradiating the split first and second femtosecond laser beams at different positions on a substrate to be cut.Type: ApplicationFiled: November 20, 2009Publication date: March 25, 2010Inventor: Jeong Kweon Park
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Publication number: 20100015345Abstract: A coating apparatus and an operating method thereof that prevent damage to the nozzle of a spinless coater from impurities on a substrate during resin coating of the substrate, and impurities remaining on a stage at the bottom of the substrate. The coating apparatus comprises a stage, a nozzle, a nozzle cleaner, and a stage cleaner. A substrate is placed upon the stage. The nozzle discharges resin on the substrate to perform coating. The nozzle cleaner cleans the nozzle. The stage cleaner cleans the stage. The operating method includes removing a coated first substrate from atop a stage, cleaning the stage using a stage cleaner, introducing a second substrate to be coated onto the cleaned stage, and discharging resin through a nozzle onto the second substrate and coating the second substrate.Type: ApplicationFiled: September 22, 2009Publication date: January 21, 2010Inventors: Jeong Kweon Park, Seung Bum Lee, Sang Hyoung Jin
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Patent number: 7647884Abstract: A slit coater with a standby unit for a nozzle and a coating method using the same prevents environmental pollution by solvent steam and simultaneously maintains the slit nozzle in an optimum state. When in standby and not performing a coating application, the slit nozzle is kept in a standby unit having a solvent atmosphere therein. The slit coater includes: a table on which an object to be processed is positioned; a slit nozzle for applying a coating solution onto a surface of the object; and a standby unit into which the slit nozzle is loaded when on standby, and having a shutter at the opening thereof to maintain an inner space in a substantially hermetically sealed solvent atmosphere. The atmosphere in the standby unit is configured to prevent hardening of the coating solution in the slit nozzle and thereby maintain the slit nozzle in the optimum state for providing coating applications.Type: GrantFiled: August 19, 2005Date of Patent: January 19, 2010Assignee: LG. Display Co., Ltd.Inventors: O Jun Kwon, Kang Il Cho, Ji Seong Noh, Jeong Kweon Park, Jin Tae Park
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Patent number: 7638729Abstract: An apparatus for cutting a substrate includes a laser oscillator generating a femtosecond laser beam, a first beam splitter splitting the femtosecond laser beam into first and second femtosecond laser beams, a first condenser lens receiving the first femtosecond laser beam and condensing the first femtosecond laser beam to have a first focal depth, a second condenser lens receiving the second femtosecond laser beam, and condensing the second femtosecond laser beam to have a second focal depth different from the first focal depth, and a second beam splitter receiving and splitting the first femtosecond laser beam condensed through the first condenser lens and the second femtosecond laser beam condensed through the second condenser lens, and irradiating the split first and second femtosecond laser beams at different positions on a substrate to be cut.Type: GrantFiled: October 11, 2005Date of Patent: December 29, 2009Assignee: LG Display Co., Ltd.Inventor: Jeong Kweon Park
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Patent number: 7608150Abstract: A coating apparatus and an operating method thereof that prevent damage to the nozzle of a spinless coater from impurities on a substrate during resin coating of the substrate, and impurities remaining on a stage at the bottom of the substrate. The coating apparatus comprises a stage, a nozzle, a nozzle cleaner, and a stage cleaner. A substrate is placed upon the stage. The nozzle discharges resin on the substrate to perform coating. The nozzle cleaner cleans the nozzle. The stage cleaner cleans the stage. The operating method includes removing a coated first substrate from atop a stage, cleaning the stage using a stage cleaner, introducing a second substrate to be coated onto the cleaned stage, and discharging resin through a nozzle onto the second substrate and coating the second substrate.Type: GrantFiled: June 16, 2006Date of Patent: October 27, 2009Assignee: LG Display Co., Ltd.Inventors: Jeong Kweon Park, Seung Bum Lee, Sang Hyoung Jin
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Patent number: 7491557Abstract: A thin film etching method includes forming a layer on a substrate, aligning a mask having a pattern defined thereon above the layer, and removing a portion of the layer by irradiating the substrate with a femtosecond laser through the mask.Type: GrantFiled: October 11, 2005Date of Patent: February 17, 2009Assignee: LG Display Co., Ltd.Inventor: Jeong Kweon Park