Patents by Inventor Hyun Soo Oh
Hyun Soo Oh 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: 11952372Abstract: Provided is a tribenzazole amine derivative represented by Formula 1 that effectively absorbs high energy UV light from an external light source to minimize damage to organic materials present in an organic electroluminescent device, contributing to a substantial improvement in the lifetime of the organic electroluminescent device. Also provided is an organic electroluminescent device using the tribenzazole amine derivative. The organic electroluminescent device includes a first electrode, a second electrode, and an organic layer arranged between the first and second electrodes. The organic layer includes the tribenzazole amine derivative.Type: GrantFiled: August 30, 2019Date of Patent: April 9, 2024Assignee: LAPTO CO., LTD.Inventors: Moon-ki Seok, Byung-soo Go, Chul-soo Lim, Hyun-a Kim, Kyou-sic Kim, Yong-pil Park, Kap-jong Han, Eu-gene Oh
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Patent number: 11953948Abstract: An apparatus for locking a portable computer includes an apparatus body, a first clamping member rotatably coupled to the apparatus body, configured to support a first side of a computer body of the portable computer, and configured to be fitted over a first edge of a display of the portable computer, a slider coupled to the apparatus body to be reciprocally movable, a second clamping member rotatably coupled to the slider while being spaced apart from the first clamping member, configured to support a second side of the computer body of the portable computer, and configured to be fitted over a second edge of the display of the portable computer, and a locking and unlocking unit installed on the apparatus body and configured to selectively restrict or allow movement of the slider.Type: GrantFiled: October 31, 2022Date of Patent: April 9, 2024Assignee: COMXI Co., Ltd.Inventors: Byong Ju Bae, Dong Keun Oh, Hyun Soo Lim, Yong Seop Lee
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Patent number: 11569034Abstract: A multilayer ceramic electronic component includes a ceramic body including first and second internal electrodes disposed to face each other and a dielectric layer interposed therebetween. When an average thickness of the dielectric layer is denoted as ‘td,’ an average thickness of the first and second internal electrodes is denoted as ‘te,’ and a standard deviation of thicknesses of an internal electrode, measured at a plurality of points in a predetermined region of the internal electrode, is denoted as ‘?te,’ a ratio of the standard deviation of thicknesses of the internal electrode to the average thickness of the dielectric layer, which is denoted as ‘?te/td,’ satisfies 0.12??te/td?0.21.Type: GrantFiled: September 1, 2021Date of Patent: January 31, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyoung Jin Cha, Hyun Soo Oh, Woo Chul Shin, Hye Ji Jang
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Patent number: 11297207Abstract: A method performed by an image forming apparatus is provided. The method includes receiving an input of selecting a first color from a first color image, scanning, a reference image including at least one reference color that is used to reproduce a color, receiving an input of selecting a second color from the at least one reference color, based on scan color data in which characteristics of the image forming apparatus obtained by scanning a color compensation chart representing a color space have been reflected, determining a second color scan value of the second color as a second color value of the second color from which the characteristics of the image forming apparatus have been removed, and converting a first color value of the first color into the second color value of the second color and outputting the first color image having the second color instead of the first color.Type: GrantFiled: December 17, 2018Date of Patent: April 5, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: In Ho Park, Jae Min Shin, Hyun Soo Oh
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Publication number: 20210398748Abstract: A multilayer ceramic electronic component includes a ceramic body including first and second internal electrodes disposed to face each other and a dielectric layer interposed therebetween. When an average thickness of the dielectric layer is denoted as ‘td,’ an average thickness of the first and second internal electrodes is denoted as ‘te,’ and a standard deviation of thicknesses of an internal electrode, measured at a plurality of points in a predetermined region of the internal electrode, is denoted as ‘?te,’ a ratio of the standard deviation of thicknesses of the internal electrode to the average thickness of the dielectric layer, which is denoted as ‘?te/td,’ satisfies 0.12??te/td?0.21.Type: ApplicationFiled: September 1, 2021Publication date: December 23, 2021Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyoung Jin CHA, Hyun Soo OH, Woo Chul SHIN, Hye Ji JANG
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Patent number: 11201009Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet containing a ceramic powder and forming an internal electrode pattern on the ceramic green sheet using a conductive paste containing conductive metal particles and an additive. A ceramic laminate is formed by stacking the ceramic green sheets on which the internal electrode pattern is formed. A ceramic body including dielectric layers and internal electrodes is formed by sintering the ceramic laminate. An average number of conductive metal particles in the internal electrode pattern in a thickness direction is more than 2 and 5 or less.Type: GrantFiled: October 1, 2018Date of Patent: December 14, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyoung Jin Cha, Seung Heui Lee, Hyun Soo Oh, Hyung Soon Kwon, Ji Hong Jo
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Patent number: 11158458Abstract: A multilayer ceramic electronic component includes a ceramic body including first and second internal electrodes disposed to face each other and a dielectric layer interposed therebetween. When an average thickness of the dielectric layer is denoted as ‘td,’ an average thickness of the first and second internal electrodes is denoted as ‘te,’ and a standard deviation of thicknesses of an internal electrode, measured at a plurality of points in a predetermined region of the internal electrode, is denoted as ‘?te,’ a ratio of the standard deviation of thicknesses of the internal electrode to the average thickness of the dielectric layer, which is denoted as ‘?te/td,’ satisfies 0.12??te/td?0.21.Type: GrantFiled: November 12, 2019Date of Patent: October 26, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyoung Jin Cha, Hyun Soo Oh, Woo Chul Shin, Hye Ji Jang
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Publication number: 20210234990Abstract: A method performed by an image forming apparatus is provided. The method includes receiving an input of selecting a first color from a first color image, scanning, a reference image including at least one reference color that is used to reproduce a color, receiving an input of selecting a second color from the at least one reference color, based on scan color data in which characteristics of the image forming apparatus obtained by scanning a color compensation chart representing a color space have been reflected, determining a second color scan value of the second color as a second color value of the second color from which the characteristics of the image forming apparatus have been removed, and converting a first color value of the first color into the second color value of the second color and outputting the first color image having the second color instead of the first color.Type: ApplicationFiled: December 17, 2018Publication date: July 29, 2021Inventors: In Ho PARK, Jae Min SHIN, Hyun Soo OH
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Patent number: 11009807Abstract: An image forming apparatus is provided. The image forming apparatus includes a sensor to detect a toner concentration, and a processor to control a rendering of image-forming data to form an image on an image forming medium, according to a level of toner concentration saving that is adjusted based on the detected toner concentration.Type: GrantFiled: December 11, 2019Date of Patent: May 18, 2021Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Kyeong-man Kim, Hyun-soo Oh, Seong-wook Han, Yoon-tae Lee
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Publication number: 20210027943Abstract: A multilayer ceramic electronic component includes a ceramic body including first and second internal electrodes disposed to face each other and a dielectric layer interposed therebetween. When an average thickness of the dielectric layer is denoted as ‘td,’ an average thickness of the first and second internal electrodes is denoted as ‘te,’ and a standard deviation of thicknesses of an internal electrode, measured at a plurality of points in a predetermined region of the internal electrode, is denoted as ‘?te,’ a ratio of the standard deviation of thicknesses of the internal electrode to the average thickness of the dielectric layer, which is denoted as ‘?te/td,’ satisfies 0.12??te/td?0.21.Type: ApplicationFiled: November 12, 2019Publication date: January 28, 2021Inventors: Kyoung Jin CHA, Hyun Soo OH, Woo Chul SHIN, Hye Ji JANG
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Publication number: 20200117118Abstract: An image forming apparatus is provided. The image forming apparatus includes a sensor to detect a toner concentration, and a processor to control a rendering of image-forming data to form an image on an image forming medium, according to a level of toner concentration saving that is adjusted based on the detected toner concentration.Type: ApplicationFiled: December 11, 2019Publication date: April 16, 2020Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Kyeong-man KIM, Hyun-soo OH, Seong-wook HAN, Yoon-tae LEE
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Publication number: 20200043655Abstract: A method of manufacturing a multilayer ceramic electronic component includes: preparing a ceramic green sheet containing a ceramic powder; forming an internal electrode pattern on the ceramic green sheet using a conductive paste containing conductive metal particles and an additive; forming a ceramic laminate by stacking the ceramic green sheets on which the internal electrode pattern is formed; and forming a ceramic body including dielectric layers and internal electrodes by sintering the ceramic laminate. An average number of conductive metal particles in the internal electrode pattern in a thickness direction is more than 2 and 5 or less.Type: ApplicationFiled: October 1, 2018Publication date: February 6, 2020Inventors: Kyoung Jin CHA, Seung Heui LEE, Hyun Soo OH, Hyung Soon KWON, Ji Hong JO
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Patent number: 10554861Abstract: Provided is a color compensation method in an image forming apparatus. The color compensation method may include imaging a first color chart by a first image forming apparatus, scanning the imaged first color chart, comparing information regarding the scanned first color chart and information regarding a reference color chart to determine an international color consortium (ICC) profile of the first image forming apparatus, and performing color compensation on the first image forming apparatus based on the determined ICC profile.Type: GrantFiled: March 2, 2016Date of Patent: February 4, 2020Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Joo-young Jung, Hyung-jong Kang, Kyeong-man Kim, Jeong-hun Kim, Nam-ju Shin, Ho-jin Ahn, Hyun-soo Oh, Woo-jun Chung, Jung-mo Hong, In-ho Park
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Patent number: 10539908Abstract: An image forming apparatus is provided. The image forming apparatus includes a sensor configured to sense a toner concentration, a processor configured to determine at least one of a coring level and a total area coverage (TAC) level according to the detected toner concentration, and an image former configured to print the rendered print data.Type: GrantFiled: June 16, 2017Date of Patent: January 21, 2020Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Kyeong-man Kim, Hyun-soo Oh, Seong-wook Han, Yoon-tae Lee
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Patent number: 10469713Abstract: An image forming apparatus and method thereof are provided. The image forming apparatus includes: a scanner configured to generate a scan image by scanning a document, a processor configured to generate color information of a medium representing content of the document using a predetermined area of the scan image, and to gamma-correct color of an entire area of the scan image based on the color information, and a printer configured to print the gamma-corrected scan image.Type: GrantFiled: January 19, 2017Date of Patent: November 5, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Kyeong-man Kim, Hyun-soo Oh, Seong-wook Han
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Publication number: 20180188669Abstract: An image forming apparatus is provided. The image forming apparatus includes a sensor configured to sense a toner concentration, a processor configured to determine at least one of a coring level and a total area coverage (TAC) level according to the detected toner concentration, and an image former configured to print the rendered print data.Type: ApplicationFiled: June 16, 2017Publication date: July 5, 2018Applicant: S-Printing Solution Co., Ltd.Inventors: Kyeong-man KIM, Hyun-soo OH, Seong-wook HAN, Yoon-tae LEE
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Patent number: 9967411Abstract: An image forming apparatus is provided. The image forming apparatus includes: a storage configured to store a color conversion table; an image former configured to print a compensation chart corresponding to the color conversion table; a scanner configured to scan the printed compensation chart; and a changer configured to understand a range of brightness that the image former is able to represent using the scanned compensation chart, generate a gamma curve corresponding to the understood range of brightness, and change the color conversion table based on the generated gamma curve.Type: GrantFiled: September 10, 2015Date of Patent: May 8, 2018Assignee: S-PRINTING SOLUTION CO., LTD.Inventors: Woo-jun Chung, Hyun-soo Oh, In-ho Park, Nam-ju Shin, Kyeong-man Kim
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Publication number: 20180020127Abstract: An image forming apparatus and method thereof are provided. The image forming apparatus includes: a scanner configured to generate a scan image by scanning a document, a processor configured to generate color information of a medium representing content of the document using a predetermined area of the scan image, and to gamma-correct color of an entire area of the scan image based on the color information, and a printer configured to print the gamma-corrected scan image.Type: ApplicationFiled: January 19, 2017Publication date: January 18, 2018Applicant: S-Printing Solution Co., Ltd.Inventors: Kyeong-man KIM, Hyun-soo OH, Seong-wook HAN
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Publication number: 20160261775Abstract: Provided is a color compensation method in an image forming apparatus. The color compensation method may include imaging a first color chart by a first image forming apparatus, scanning the imaged first color chart, comparing information regarding the scanned first color chart and information regarding a reference color chart to determine an international color consortium (ICC) profile of the first image forming apparatus, and performing color compensation on the first image forming apparatus based on the determined ICC profile.Type: ApplicationFiled: March 2, 2016Publication date: September 8, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Joo-young JUNG, Hyung-jong KANG, Kyeong-man KIM, Jeong-hun KIM, Nam-ju SHIN, Ho-jin AHN, Hyun-soo OH, Woo-jun CHUNG, Jung-mo HONG, In-ho PARK
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Publication number: 20160191750Abstract: An image forming apparatus is provided. The image forming apparatus includes: a storage configured to store a color conversion table; an image former configured to print a compensation chart corresponding to the color conversion table; a scanner configured to scan the printed compensation chart; and a changer configured to understand a range of brightness that the image former is able to represent using the scanned compensation chart, generate a gamma curve corresponding to the understood range of brightness, and change the color conversion table based on the generated gamma curve.Type: ApplicationFiled: September 10, 2015Publication date: June 30, 2016Applicant: Samsung Electronics Co., Ltd.Inventors: Woo-jun CHUNG, Hyun-soo OH, In-ho PARK, Nam-ju SHIN, Kyeong-man KIM