Patents by Inventor Dae-Chul Park
Dae-Chul 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: 12245389Abstract: A display apparatus including a display and a supporter. The supporter being mounted on the display and configured to support the display and rotate the display module between a first position and a second position. The supporter including a drive motor, a first gear, and a detection sensor. The drive motor configured to supply a driving force to rotate the display. The first gear configured to rotate together with the display by receiving the driving force from the drive motor. The detection sensor configured to detect a rotation amount of a second gear configured to rotate in with the first gear.Type: GrantFiled: January 19, 2024Date of Patent: March 4, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun Yong Choi, Young Chul Kim, Ji Su Kim, Hun Sung Kim, Sung Yong Park, Jin Soo Shin, Dae Sik Yoon, Yong Yeon Hwang
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Patent number: 12241525Abstract: A universal drive including a ring gear, a sun gear in which a sun gear axis is moveable relative to a ring gear axis of the ring gear, a gear train constituted by a series of gears configured to connect the sun gear and the ring gear to each other, a link mechanism connected to the sun gear and the ring gear in the state in which relative rotation therebetween is allowed such that a power transmission state between the sun gear and the ring gear is continuously maintained while accommodating a change in the inter-axis distance between the sun gear and the ring gear, a carrier installed so as to support a rotating shaft of a final gear engaged with the ring gear, and a sliding member located between at least one of the gears and the carrier.Type: GrantFiled: May 1, 2024Date of Patent: March 4, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Woo Hyun Lim, Ki Seok Kim, Kyoung Chul Min, Jong Sool Park, Dae In Lee, Yeo Hae Lee
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Patent number: 12243975Abstract: A method for manufacturing a secondary battery includes a forming step of pressing a pouch sheet by using a press die so that left and right accommodation grooves, which are bilaterally symmetrical to each other and are opened upward, and a bridge connecting the left and right accommodation grooves to each other are formed in the pouch sheet, wherein the bridge protrudes upward with respect to bottom surfaces of the left and right accommodation grooves, and a curved portion having a rounded shape is formed on an upper end of the bridge, a seating step of seating an electrode assembly in one of the left and right accommodation grooves, and a folding step of folding the pouch sheet so that the left and right accommodation grooves face each other.Type: GrantFiled: August 25, 2023Date of Patent: March 4, 2025Assignee: LG Energy Solution, Ltd.Inventors: Sung Chul Park, Sang Wook Kim, Dae Won Lee, Dong Hyeuk Park
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Patent number: 12237935Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.Type: GrantFiled: October 2, 2023Date of Patent: February 25, 2025Assignee: KAKAO CORPInventors: Jeong Min Yun, Moon Young Jo, Yeon Jin Lee, Won Chul Jeong, Han Byeol Choi, Bong Gyun Kang, Hyun Na Park, Moon Seok Park, Pyung Hwa Choi, Dae Seong Shin, Seung Uk Jeong, Hoi Moon Jeong, Won Iel Yoo, Seo Yon Choi
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Patent number: 12212424Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.Type: GrantFiled: October 2, 2023Date of Patent: January 28, 2025Assignee: KAKAO CORP.Inventors: Jeong Min Yun, Moon Young Jo, Yeon Jin Lee, Won Chul Jeong, Han Byeol Choi, Bong Gyun Kang, Hyun Na Park, Moon Seok Park, Pyung Hwa Choi, Dae Seong Shin, Seung Uk Jeong, Hoi Moon Jeong, Won Iel Yoo, Seo Yon Choi
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Patent number: 12203536Abstract: A gear train includes at least four gears sequentially engaged, multiple links configured to support the rotation shafts of the gears, and pins configured to fix the rotation shafts of the gears to the link, wherein the pins are installed such that, among the rotation shafts of the gears, two non-adjacent rotation shafts have both ends fixed to the link and one of adjacent rotation shafts has only one end fixed to the link.Type: GrantFiled: January 17, 2024Date of Patent: January 21, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Woo Hyun Lim, Ki Seok Kim, Kyoung Chul Min, Jong Sool Park, Dae In Lee, Yeo Hae Lee
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Patent number: 11360612Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.Type: GrantFiled: December 1, 2020Date of Patent: June 14, 2022Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park, Sun Young Song, Hwansil Jang
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Patent number: 11011281Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.Type: GrantFiled: August 22, 2019Date of Patent: May 18, 2021Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park
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Publication number: 20210089151Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.Type: ApplicationFiled: December 1, 2020Publication date: March 25, 2021Applicant: DONGWOO FINE-CHEM CO., LTD.Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK, Sun Young SONG, Hwansil JANG
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Patent number: 10884555Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.Type: GrantFiled: February 5, 2016Date of Patent: January 5, 2021Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park, Sun Young Song, Hwansil Jang
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Publication number: 20190377439Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.Type: ApplicationFiled: August 22, 2019Publication date: December 12, 2019Applicant: DONGWOO FINE-CHEM CO., LTD.Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK
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Patent number: 10430003Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.Type: GrantFiled: February 5, 2016Date of Patent: October 1, 2019Assignee: DONGWOO FINE-CHEM CO.. LTD.Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park
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Publication number: 20180024671Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.Type: ApplicationFiled: February 5, 2016Publication date: January 25, 2018Applicant: DONGWOO FINE-CHEM CO., LTD.Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK, Sun Young SONG, Hwansil JANG
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Publication number: 20180018040Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.Type: ApplicationFiled: February 5, 2016Publication date: January 18, 2018Applicant: DONGWOO FINE-CHEM CO., LTD.Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK
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Publication number: 20140111962Abstract: A touch screen panel is provided with electromagnetic wave shielding properties. The touch screen panel includes an electromagnetic wave shielding layer on a window substrate. The electromagnetic wave shielding layer may include at least one alloy selected from the group consisting of copper, iron, nickel, aluminum, tin, indium, zinc, gold and silver, and oxides thereof, as an electromagnetic wave shielding material. The electromagnetic wave shielding layer may include at least one electromagnetic wave shielding material selected from the group consisting of polypyrrole, polythiophene, and polyaniline. When the touch screen panel further includes an index matching layer, the electromagnetic wave shielding layer may be formed on at least one face of the index matching layer. When electromagnetic wave shielding material is included in the index matching layer, the index matching layer functions as the electromagnetic wave shielding layer.Type: ApplicationFiled: October 23, 2013Publication date: April 24, 2014Applicant: DONGWOO FINE-CHEM CO., LTD.Inventors: Dae Chul PARK, Seung Kook KIM, Jong Min KIM
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Patent number: 8706786Abstract: A signal processing device and an image processing device are provided. The signal processing device includes a matrix calculator for performing a matrix operation selected by a switch part among a DCT matrix operation, a Haar matrix operation, and a Slant matrix operation, with respect to an input signal. Thus, the signal processing device can be implemented in a hybrid architecture capable of selectively processing the DCT-II transform, the Haar transform, and the Slant transform with a single chip.Type: GrantFiled: November 24, 2010Date of Patent: April 22, 2014Assignee: Industrial Cooperative Foundation Chonbuk National UniversityInventors: Moon Ho Lee, Dae Chul Park
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Patent number: 8421323Abstract: An external light-shielding layer, a display filter including the external light-shielding layer and a display apparatus including the display filter to enhance brightness, a viewing angle, and a contrast ratio. The external light-shielding layer including: a base substrate including a transparent resin; and wedge-shaped light-shielding patterns spaced apart from each other in a surface of the base substrate at predetermined intervals, and made of a resin including a coloring agent having a concentration of about 0.5% to about 1.5% by weight.Type: GrantFiled: December 28, 2006Date of Patent: April 16, 2013Assignee: Samsung Corning Precision Materials Co., Ltd.Inventors: Dae Chul Park, Jin Seo, Jae Young Choi, Tae Soon Park, Jin Woo Yeo
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Patent number: 8393742Abstract: Disclosed are an external light shielding film with a substrate including a transparent resin, an external light shielding pattern formed on a surface of the substrate and having a plurality of external light shielding parts including a light absorbing material, a method of manufacturing the external light shielding film, and a filter for a display having the external light shielding film. The light absorbing material consists of a base resin and a light absorbing substance, and at least one of a concentration of the light absorbing substance and a refractive index of the base resin varies in a stepwise manner.Type: GrantFiled: December 10, 2007Date of Patent: March 12, 2013Assignee: Samsung Corning Precision Materials Co., Ltd.Inventors: Dae Chul Park, Eun Young Cho, In Sung Sohn, Jae Young Choi
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Patent number: 8227712Abstract: A filter for a display device is provided which includes a base substrate, an electromagnetic shielding layer formed on one surface of the base substrate to block electromagnetic waves, and an electrode formed along at least two sides among four sides of the base substrate to earth the electromagnetic shielding layer, thereby reducing the manufacturing costs while maintaining the capability of blocking electromagnetic waves.Type: GrantFiled: June 5, 2009Date of Patent: July 24, 2012Assignee: Samsung Corning Precision Materials Co., Ltd.Inventors: Ji Yoon Seo, Dong Hyun Park, Jin Sung Lim, Dae Chul Park
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Publication number: 20120078990Abstract: A signal processing device and an image processing device are provided. The signal processing device includes a matrix calculator for performing a matrix operation selected by a switch part among a DCT matrix operation, a Haar matrix operation, and a Slant matrix operation, with respect to an input signal. Thus, the signal processing device can be implemented in a hybrid architecture capable of selectively processing the DCT-II transform, the Haar transform, and the Slant transform with a single chip.Type: ApplicationFiled: November 24, 2010Publication date: March 29, 2012Applicant: Industrial Cooperation Foundation Chonbuk National UniversityInventors: Moon Ho Lee, Dae Chul Park