Patents by Inventor Sung-Kyun Park
Sung-Kyun 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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Publication number: 20240174585Abstract: A method of preparing isopropyl alcohol, where a propylene monomer and water are reacted in a reactor to produce a reaction product including isopropyl alcohol, and the reaction product stream is separated into unreacted propylene monomer and isopropyl alcohol with high purity using an absorption column, a first gas purification column, a second gas purification column, and an inert gas removal column.Type: ApplicationFiled: December 5, 2021Publication date: May 30, 2024Inventors: Sa Eun PARK, Byung Woo CHOI, Sung Kyu LEE, Sung Kyun KIM, Tae Woo KIM
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Publication number: 20240071278Abstract: A display apparatus having a mura compensation function includes a mura memory in which compensation data corresponding to coefficient values of a mura compensation equation is stored; and a mura compensation circuit configured to perform mura compensations on display data by using the mura compensation equation to which the compensation data has been applied, wherein the coefficient values are set so that the mura compensation equation has been fit to have a curve that satisfies known difference values of selected gray levels, a first estimation difference value of a first estimation gray level higher than the selected gray levels, and a second estimation difference value of a second estimation gray level lower than the selected gray levels, and wherein the compensation data comprises the coefficient values of the mura compensation equation in which all of the known difference values of the selected gray levels, the first estimation difference value, and the second estimation difference value have a differenType: ApplicationFiled: October 25, 2023Publication date: February 29, 2024Applicant: LX SEMICON CO., LTD.Inventors: Jun Young PARK, Min Ji LEE, Gang Won LEE, Young Kyun KIM, Ji Won LEE, Jung Hyun KIM, Suk Ju KANG, Sung In CHO
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Patent number: 11644931Abstract: A touch panel and a method of manufacturing the touch panel are provided. The touch panel includes a substrate comprising a wiring area and a sensor area, a sensing pattern located on a surface of the substrate in the sensor area, and a wiring line located on the surface of the substrate in the wiring area and electrically connected to the sensing pattern. The sensing pattern includes a plurality of first fine metal lines arranged irregularly in a mesh, and a first photosensitive layer pattern residue located between at least two of the first fine metal lines.Type: GrantFiled: April 12, 2022Date of Patent: May 9, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ki Hyun Cho, Cheol Kyu Kim, Sung kyun Park, Sun Haeng Cho
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Publication number: 20220236829Abstract: A touch panel and a method of manufacturing the touch panel are provided. The touch panel includes a substrate comprising a wiring area and a sensor area, a sensing pattern located on a surface of the substrate in the sensor area, and a wiring line located on the surface of the substrate in the wiring area and electrically connected to the sensing pattern. The sensing pattern includes a plurality of first fine metal lines arranged irregularly in a mesh, and a first photosensitive layer pattern residue located between at least two of the first fine metal lines.Type: ApplicationFiled: April 12, 2022Publication date: July 28, 2022Inventors: Ki Hyun CHO, Cheol Kyu KIM, Sung kyun PARK, Sun Haeng CHO
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Patent number: 11307721Abstract: A touch panel and a method of manufacturing the touch panel are provided. The touch panel includes a substrate comprising a wiring area and a sensor area, a sensing pattern located on a surface of the substrate in the sensor area, and a wiring line located on the surface of the substrate in the wiring area and electrically connected to the sensing pattern. The sensing pattern includes a plurality of first fine metal lines arranged irregularly in a mesh, and a first photosensitive layer pattern residue located between at least two of the first fine metal lines.Type: GrantFiled: April 19, 2018Date of Patent: April 19, 2022Inventors: Ki Hyun Cho, Cheol Kyu Kim, Sung kyun Park, Sun Haeng Cho
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Patent number: 10521057Abstract: A method of forming a touch screen panel including first sensing electrodes in an active region of a substrate and arranged along a first direction and second sensing electrodes arranged along a second direction intersecting the first direction, the method including forming the first sensing electrodes and first connection patterns, the first connection patterns connecting the first sensing electrodes along the first direction; forming an insulating pattern capping the first sensing electrodes and the first connection patterns so that the first sensing electrodes and the first connection patterns are not exposed; and forming the second sensing electrodes between the first sensing electrodes, and second connection patterns on the insulating pattern, the second connection patterns connecting the second sensing electrodes along the second direction.Type: GrantFiled: September 14, 2015Date of Patent: December 31, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Kyun Park, Kyung-Seop Kim, Jae-Neung Kim, Cheol-Kyu Kim, Ki-Hyun Cho, Sun-Haeng Cho
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Patent number: 10363723Abstract: A functional food packaging material and a method for making the same, where the food packaging material includes: a first film comprising synthetic resin, calcium carbonate powder coated with zinc oxide, boehmite powder coated with titanium dioxide, and hydroxyapatite powder coated with iron; a second film laminated on the first film and comprising powdery particles that contain synthetic resin, loess, elvan, kaolin, zeolite, feldspar, black mica, jade, selenium and charcoal; and a third film laminated on the second film and made of synthetic film. The first film has a higher porosity than that of the second film, and the second film has a higher porosity than that of the third film. The food packaging material has improved antimicrobial activity and maximizes food storage stability. The amount of functional powder added is minimized so that the formability of the packaging material is not adversely affected.Type: GrantFiled: September 8, 2017Date of Patent: July 30, 2019Assignee: HANGREENTECH CO., LTD.Inventors: Dae Hyun Kim, Sung Kyun Park, Tae Soo Suh, Wang Tak Lee
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Patent number: 10324568Abstract: A touch panel includes a touch electrode disposed on a substrate, the touch electrode including a metal layer; a phase matching layer disposed on the metal layer; and a thin film layer disposed on the phase matching layer.Type: GrantFiled: April 18, 2016Date of Patent: June 18, 2019Assignee: Samsung Display Co., Ltd.Inventors: Sang Youn Han, Kyung Seop Kim, Sung Kyun Park, Sang Kyu Choi
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Patent number: 10147775Abstract: A display substrate, a method of manufacturing the same, and a display device including the display substrate disclosed. In one aspect, the display substrate includes a pixel circuit disposed over a base substrate, an insulation layer disposed over the base substrate and overlapping the pixel circuit in the depth dimension of the display substrate, and a pixel electrode disposed over the insulation layer and electrically connected to the pixel circuit. The display substrate also includes a pixel defining layer disposed over the insulation layer, the pixel defining layer formed over a portion of the pixel electrode, and a spacer structure including a first spacer and a second spacer disposed over the first spacer, the first spacer being separated from the pixel circuit and disposed over the insulation layer.Type: GrantFiled: May 16, 2016Date of Patent: December 4, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji-Hyun Kim, Sung-Kyun Park, Jeong-Min Park
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Publication number: 20180239453Abstract: A touch panel and a method of manufacturing the touch panel are provided. The touch panel includes a substrate comprising a wiring area and a sensor area, a sensing pattern located on a surface of the substrate in the sensor area, and a wiring line located on the surface of the substrate in the wiring area and electrically connected to the sensing pattern. The sensing pattern includes a plurality of first fine metal lines arranged irregularly in a mesh, and a first photosensitive layer pattern residue located between at least two of the first fine metal lines.Type: ApplicationFiled: April 19, 2018Publication date: August 23, 2018Inventors: Ki Hyun CHO, Cheol Kyu KIM, Sung kyun PARK, Sun Haeng CHO
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Patent number: 10001875Abstract: A touch panel and a method of fabricating the same are provided. The touch panel may include: a substrate; first sensing electrodes disposed on a first surface and arranged along a first direction and second sensing electrodes arranged along a second direction; at least one first connector connecting the first sensing electrodes in the first direction; a first insulating layer pattern disposed on the first connector; at least one second connector disposed on the first insulating layer pattern, intersecting the first connector, and connecting the second sensing electrodes in the second direction; and wires disposed on the first surface of the substrate in the peripheral area and electrically connected to the first sensing electrodes and the second sensing electrodes. The first connector includes a first light-transmitting conductive pattern disposed on the first surface of the substrate and a first light-blocking conductive pattern disposed on the first light-transmitting conductive pattern.Type: GrantFiled: July 10, 2017Date of Patent: June 19, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Kyun Park, Cheol Kyu Kim, Ki Hyun Cho, Sun Haeng Cho, Kyung Seop Kim, Jae Neung Kim
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Patent number: 9990097Abstract: A touch screen panel includes a substrate, a sensing electrode, a connection wire, and a passivation layer. The substrate includes a first area and a second area disposed outside the first area. The sensing electrode is disposed in the first area. The connection wire is electrically connected to the sensing electrode, the connection wire being disposed in the second area. The passivation layer covers portions of the sensing electrode and the connection wire. The sensing electrode includes a first conductive layer disposed on the substrate. The connection wire includes a second conductive layer disposed on the substrate, a metal wiring layer disposed on the second conductive layer, and a capping layer disposed on the second conductive layer.Type: GrantFiled: March 17, 2016Date of Patent: June 5, 2018Assignee: Samsung Display Co., Ltd.Inventors: Sung Kyun Park, Jae Neung Kim, Ki Hyun Cho, Sun Haeng Cho, Cheol Kyu Kim
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Patent number: 9977553Abstract: A touch panel includes a substrate, a first signal line, and a second signal line. The first signal line extends on the substrate in a first direction and includes a first height from the substrate. The second signal line extends on the substrate in a second direction crossing the first direction and includes a second height from the substrate. The second signal line is disposed in the same layer as the first signal line. The second height is greater than the first height.Type: GrantFiled: January 27, 2016Date of Patent: May 22, 2018Assignee: Samsung Display Co., Ltd.Inventors: Jung Ha Son, Jae-Wook Kang, Kyung Seop Kim, Sung Kyun Park, Sang Kyu Choi, Yong Woo Park, Sang Youn Han
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Patent number: 9977522Abstract: A touch panel and a method of manufacturing the touch panel are provided. The touch panel includes a substrate comprising a wiring area and a sensor area, a sensing pattern located on a surface of the substrate in the sensor area, and a wiring line located on the surface of the substrate in the wiring area and electrically connected to the sensing pattern. The sensing pattern includes a plurality of first fine metal lines arranged irregularly in a mesh, and a first photosensitive layer pattern residue located between at least two of the first fine metal lines.Type: GrantFiled: March 25, 2015Date of Patent: May 22, 2018Assignee: Samsung Display Co., Ltd.Inventors: Ki Hyun Cho, Cheol Kyu Kim, Sung kyun Park, Sun Haeng Cho
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Patent number: 9946420Abstract: A touch screen panel includes a substrate including an active area, a non-active area at the periphery of the active area, and a contact area between the active area and the non-active area, sensing electrodes disposed in the active area, connecting lines disposed in the non-active area and the contact area and electrically connected to the sensing electrodes, and a metal capping layer disposed in the contact area, in which the sensing electrodes include a first overcoating layer disposed on the substrate as a conductor layer, and a second overcoating layer disposed on the first overcoating layer, the connecting lines include the first overcoating layer, the second overcoating layer, and a metal line layer disposed on the second overcoating layer, and the metal capping layer couple the metal line layer to the first overcoating layer through a contact hole to expose the first overcoating layer in the contact area.Type: GrantFiled: December 28, 2015Date of Patent: April 17, 2018Assignee: Samsung Display Co., Ltd.Inventors: Sun Haeng Cho, Jae Neung Kim, Sung Kyun Park, Sang Kyu Choi, Kyung Seop Kim, Ki Hyun Cho
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Patent number: 9916057Abstract: A touch panel, a display device having the same, and a method of manufacturing the touch panel are disclosed. In one aspect, the touch panel includes a base substrate and a first sensing portion extending in a first direction and formed over the base substrate. The first sensing portion including a plurality of first fine lines defining a plurality of spaces therebetween. The touch panel also includes a second sensing portion extending in a second direction crossing the first direction and formed over the base substrate and a first insulating layer covering the first fine lines. The first insulating layer defines a plurality of openings therein corresponding to the spaces between the first fine lines. The second sensing portion crosses the first sensing portion with the first insulating layer interposed therebetween.Type: GrantFiled: April 27, 2016Date of Patent: March 13, 2018Assignee: Samsung Display Co., Ltd.Inventors: Sung Kyun Park, Jae Wook Kang, Kyung Seop Kim, Jung Ha Son, Sang Kyu Choi, Yong Woo Park, Sang Youn Han
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Publication number: 20180065346Abstract: A functional food packaging material and a method for making the same, where the food packaging material includes: a first film comprising synthetic resin, calcium carbonate powder coated with zinc oxide, boehmite powder coated with titanium dioxide, and hydroxyapatite powder coated with iron; a second film laminated on the first film and comprising powdery particles that contain synthetic resin, loess, elvan, kaolin, zeolite, feldspar, black mica, jade, selenium and charcoal; and a third film laminated on the second film and made of synthetic film. The first film has a higher porosity than that of the second film, and the second film has a higher porosity than that of the third film. The food packaging material has improved antimicrobial activity and maximizes food storage stability. The amount of functional powder added is minimized so that the formability of the packaging material is not adversely affected.Type: ApplicationFiled: September 8, 2017Publication date: March 8, 2018Inventors: Dae Hyun KIM, Sung Kyun PARK, Tae Soo SUH, Wang Tak LEE
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Patent number: 9897793Abstract: A substrate for an electrowetting display device including a pixel electrode, a partition wall pattern and a water-repellent pattern. The pixel electrode is formed on a base substrate. The partition wall pattern is disposed along an edge of the pixel electrode to expose the pixel electrode. The water-repellent pattern is disposed at a space formed by the pixel electrode and the partition wall pattern to be extended along a lower portion of side surfaces of the partition wall pattern from an area on which the pixel electrode is formed. The water-repellent pattern exposes an upper portion of the side surfaces and an upper surface of the partition wall pattern. Thus, a manufacturing reliability of a substrate for an electrowetting display device is improved to prevent a display quality from being reduced.Type: GrantFiled: January 26, 2015Date of Patent: February 20, 2018Assignee: Amazon Technologies, Inc.Inventors: Seung Bo Shim, Jin-Ho Ju, Dae Ho Kim, Sang-Il Kim, Sung-Kyun Park, Jae-Jin Lyu
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Patent number: 9830031Abstract: A touch screen panel includes a substrate, touch electrodes disposed on a touch area of the substrate and configured to sense a touch, and a connection line disposed on the touch area, the connection line including a first end connected a touch electrode of the touch electrodes and a second end connected to a pad, the pad including a first conductive layer disposed on the substrate, a second conductive layer disposed on the first conductive layer, and a first protective conductive layer disposed on the second conductive layer, in which the touch electrode includes the first conductive layer, and the first protective conductive layer.Type: GrantFiled: July 23, 2015Date of Patent: November 28, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jae Neung Kim, Jong Hyun Choi, Jeong-Hwan Kim, Won Baek Lee, Ki-Hyun Cho, Kyung Seop Kim, Cheol Kyu Kim, Sung Kyun Park, Sun Haeng Cho
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Publication number: 20170308232Abstract: A touch panel and a method of fabricating the same are provided. The touch panel may include: a substrate; first sensing electrodes disposed on a first surface and arranged along a first direction and second sensing electrodes arranged along a second direction; at least one first connector connecting the first sensing electrodes in the first direction; a first insulating layer pattern disposed on the first connector; at least one second connector disposed on the first insulating layer pattern, intersecting the first connector, and connecting the second sensing electrodes in the second direction; and wires disposed on the first surface of the substrate in the peripheral area and electrically connected to the first sensing electrodes and the second sensing electrodes. The first connector includes a first light-transmitting conductive pattern disposed on the first surface of the substrate and a first light-blocking conductive pattern disposed on the first light-transmitting conductive pattern.Type: ApplicationFiled: July 10, 2017Publication date: October 26, 2017Inventors: Sung Kyun PARK, Cheol Kyu KIM, Ki Hyun CHO, Sun Haeng CHO, Kyung Seop KIM, Jae Neung KIM