Patents by Inventor Jung-Woo Ko
Jung-Woo Ko 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: 20240164147Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.Type: ApplicationFiled: January 18, 2024Publication date: May 16, 2024Inventors: Sang Shin LEE, Joon Young PARK, Min Goo KANG, Jung Woo KO, Jong Sung PARK, Hong Kyun AHN, Sang Min YI, Sang Woo JO, Young Eun RYU, Yoon Seo LEE
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Publication number: 20240121998Abstract: A thin-film transistor including an active layer disposed on a substrate and including a channel region, a source region connected to a side of the channel region, and a drain region connected to the other side of the channel region; a gate insulating layer on the channel region of the active layer; and a gate electrode on the gate insulating layer. A slope of each side surface of the gate electrode with respect to a boundary surface between the gate insulating layer and the gate electrode is an obtuse angle (a substantially obtuse angel). A slope of each side surface of the gate insulating layer with respect to the boundary surface between the gate insulating layer and the gate electrode is an obtuse angle (a substantially obtuse angel).Type: ApplicationFiled: August 8, 2023Publication date: April 11, 2024Inventors: Sun Hee LEE, Eun Hye KO, Sang Woo SOHN, Jung Hoon LEE, Hyun Mo LEE, Hyun Jun JEONG
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Patent number: 11939698Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.Type: GrantFiled: November 3, 2020Date of Patent: March 26, 2024Assignee: SENIC INC.Inventors: Jong Hwi Park, Jung-Gyu Kim, Eun Su Yang, Byung Kyu Jang, Jung Woo Choi, Yeon Sik Lee, Sang Ki Ko, Kap-Ryeol Ku
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Publication number: 20240098311Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.Type: ApplicationFiled: November 20, 2023Publication date: March 21, 2024Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITYInventors: Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Jin Ho LEE, Dong San JUN, Ha Hyun LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI, Yung Lyul LEE, Jun Woo CHOI
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Publication number: 20240076799Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.Type: ApplicationFiled: November 1, 2023Publication date: March 7, 2024Applicant: SENIC INC.Inventors: Jong Hwi PARK, Jung-Gyu KIM, Eun Su YANG, Byung Kyu JANG, Jung Woo CHOI, Yeon Sik LEE, Sang Ki KO, Kap-Ryeol KU
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Patent number: 11910656Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.Type: GrantFiled: November 4, 2022Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sang Shin Lee, Joon Young Park, Min Goo Kang, Jung Woo Ko, Jong Sung Park, Hong Kyun Ahn, Sang Min Yi, Sang Woo Jo, Young Eun Ryu, Yoon Seo Lee
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Publication number: 20230057473Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.Type: ApplicationFiled: November 4, 2022Publication date: February 23, 2023Inventors: Sang Shin LEE, Joon Young PARK, Min Goo KANG, Jung Woo KO, Jong Sung PARK, Hong Kyun AHN, Sang Min YI, Sang Woo JO, Young Eun RYU, Yoon Seo LEE
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Patent number: 11515374Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.Type: GrantFiled: December 28, 2020Date of Patent: November 29, 2022Assignee: Samsung Display Co., Ltd.Inventors: Sang Shin Lee, Joon Young Park, Min Goo Kang, Jung Woo Ko, Jong Sung Park, Hong Kyun Ahn, Sang Min Yi, Sang Woo Jo, Young Eun Ryu, Yoon Seo Lee
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Patent number: 11207705Abstract: A mask and a method of manufacturing a mask assembly, the mask including a body, and the body including one end and another end facing each other in a length direction and having a first surface and a second surface facing each other in a thickness direction; and a pattern region between the one end and the other end, the pattern region including a plurality of pattern holes and a plurality of ribs between the plurality of pattern holes, wherein a curl value of the mask, which is defined as a shortest distance from a plane tangent to a center of the body to the one end or the other end of the body, is 1,000 ?m to 4,000 ?m.Type: GrantFiled: March 12, 2020Date of Patent: December 28, 2021Assignee: Samsung Display Co., Ltd.Inventors: Su Cheol Gong, Min Goo Kang, Taek Kyo Kang, Jung Woo Ko, Min Ju Kim, Young Eun Ryu, Jae Suk Moon, Soo Hyun Min
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Publication number: 20210167148Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.Type: ApplicationFiled: December 28, 2020Publication date: June 3, 2021Inventors: Sang Shin LEE, Joon Young PARK, Min Goo KANG, Jung Woo KO, Jong Sung PARK, Hong Kyun AHN, Sang Min YI, Sang Woo JO, Young Eun RYU, Yoon Seo LEE
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Patent number: 10879324Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.Type: GrantFiled: March 19, 2019Date of Patent: December 29, 2020Assignee: Samsung Display Co., Ltd.Inventors: Sang Shin Lee, Joon Young Park, Min Goo Kang, Jung Woo Ko, Jong Sung Park, Hong Kyun Ahn, Sang Min Yi, Sang Woo Jo, Young Eun Ryu, Yoon Seo Lee
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Publication number: 20200206765Abstract: A mask and a method of manufacturing a mask assembly, the mask including a body, and the body including one end and another end facing each other in a length direction and having a first surface and a second surface facing each other in a thickness direction; and a pattern region between the one end and the other end, the pattern region including a plurality of pattern holes and a plurality of ribs between the plurality of pattern holes, wherein a curl value of the mask, which is defined as a shortest distance from a plane tangent to a center of the body to the one end or the other end of the body, is 1,000 ?m to 4,000 ?m.Type: ApplicationFiled: March 12, 2020Publication date: July 2, 2020Inventors: Su Cheol GONG, Min Goo KANG, Taek Kyo KANG, Jung Woo KO, Min Ju KIM, Young Eun RYU, Jae Suk MOON, Soo Hyun MIN
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Patent number: 10625289Abstract: A mask and a method of manufacturing a mask assembly, the mask including a body, and the body including one end and another end facing each other in a length direction and having a first surface and a second surface facing each other in a thickness direction; and a pattern region between the one end and the other end, the pattern region including a plurality of pattern holes and a plurality of ribs between the plurality of pattern holes, wherein a curl value of the mask, which is defined as a shortest distance from a plane tangent to a center of the body to the one end or the other end of the body, is 1,000 ?m to 4,000 ?m.Type: GrantFiled: July 17, 2017Date of Patent: April 21, 2020Assignee: Samsung Display Co., Ltd.Inventors: Su Cheol Gong, Min Goo Kang, Taek Kyo Kang, Jung Woo Ko, Min Ju Kim, Young Eun Ryu, Jae Suk Moon, Soo Hyun Min
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Publication number: 20190371874Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.Type: ApplicationFiled: March 19, 2019Publication date: December 5, 2019Inventors: Sang Shin LEE, Joon Young PARK, Min Goo KANG, Jung Woo KO, Jong Sung PARK, Hong Kyun AHN, Sang Min YI, Sang Woo JO, Young Eun RYU, Yoon Seo LEE
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Patent number: 9975134Abstract: A deposition mask comprises a mask frame having an open window defined in a center thereof, a first mask sheet placed on the mask frame and including a plurality of open regions and a separation region which separates the open regions, and a second mask sheet placed on the first mask sheet and including a first aperture portion in a region which contacts the separation region of the first mask sheet.Type: GrantFiled: October 1, 2015Date of Patent: May 22, 2018Assignee: Samsung Display Co., Ltd.Inventors: Jung-Woo Ko, Ikunori Kobayashi
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Publication number: 20180071764Abstract: A mask and a method of manufacturing a mask assembly, the mask including a body, and the body including one end and another end facing each other in a length direction and having a first surface and a second surface facing each other in a thickness direction; and a pattern region between the one end and the other end, the pattern region including a plurality of pattern holes and a plurality of ribs between the plurality of pattern holes, wherein a curl value of the mask, which is defined as a shortest distance from a plane tangent to a center of the body to the one end or the other end of the body, is 1,000 ?m to 4,000 ?m.Type: ApplicationFiled: July 17, 2017Publication date: March 15, 2018Inventors: Su Cheol GONG, Min Goo KANG, Taek Kyo KANG, Jung Woo KO, Min Ju KIM, Young Eun RYU, Jae Suk MOON, Soo Hyun MIN
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Patent number: 9871010Abstract: Disclosed is a tin-based electroplating solution for forming solder bumps of a flip chip package. The tin-based electroplating solution includes tin methanesulfonate, silver methanesulfonate, methanesulfonic acid, a fluorinated surfactant, an aromatic polyoxyalkylene ether, and water. Also disclosed is a method for forming solder bumps by using the electroplating solution. The method includes (1) electroplating a silicon wafer having a protective layer through which an electrode pad is exposed and an under bump metallurgy (UBM) layer with a copper or copper/nickel plating solution to form copper or copper/nickel pillars on the under bump metallurgy layer and (2) electroplating the pillars with the tin-based electroplating solution to form solder bumps.Type: GrantFiled: July 27, 2015Date of Patent: January 16, 2018Assignee: APCT CO., LTDInventors: Jung Woo Ko, Jeong Hun Oh, Kyu Bin Park, Hyun Kook Park, Heung Su Jung
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Patent number: 9653521Abstract: An organic light emitting display device includes a plurality of sub-pixels arranged in a substantially hexagonally-shaped structure, each of the sub-pixels including a corresponding one of a plurality of organic light emitting devices, wherein the plurality of sub-pixels includes a plurality of first sub-pixels for emitting light of a first color, a plurality of second sub-pixels for emitting light of a second color, and a plurality of third sub-pixels for emitting light of a third color, and wherein centers of adjacent ones of the first, second, and third sub-pixels form a triangle having one of three sides that is shorter than the other two of the sides.Type: GrantFiled: March 14, 2016Date of Patent: May 16, 2017Assignee: Samsung Display Co., Ltd.Inventor: Jung-Woo Ko
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Patent number: 9644256Abstract: A mask assembly and a thin film deposition method using the same are provided. The mask assembly includes a mask frame including first to fourth sides. The first to fourth sides form a rectangle. Inner sides of the rectangle define a window. The mask frame has a plurality of substrate seating portions provided to project toward the window from at least two corners. The two corners face each other in a diagonal direction. The mask assembly includes four corners positioned where the first to fourth sides of the mask assembly meet each other. A mask includes a plurality of openings for deposition. The plurality of openings are arranged to correspond to the window.Type: GrantFiled: September 18, 2013Date of Patent: May 9, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Jung Woo Ko
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Patent number: 9604240Abstract: Provided are a mask assembly and a method of fabricating the same. The mask assembly includes a mask frame in which a frame opening is formed therein and insulation grooves are formed at both sides of a first direction with the frame opening therebetween. The mask has both ends disposed at the both sides and includes a plurality of pattern open parts configured by a plurality of pattern openings between the both ends. A movement member is provided in the insulation groove, to which the both ends of the mask are fixed, and which includes a movement block moving in the first direction and a second direction intersecting the first direction.Type: GrantFiled: March 17, 2014Date of Patent: March 28, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jung Woo Ko, Taek Kyo Kang