Patents by Inventor Jeong-Ju Park
Jeong-Ju 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: 20240324320Abstract: A method for fabricating a display device includes providing a substrate into a chamber; forming an active material layer on the substrate by a plurality of deposition processes in the chamber; forming an active layer by patterning the active material layer: forming a transistor including a gate electrode overlapping the active layer; and forming a pixel electrode on the transistor, at least two deposition processes among the plurality of deposition processes are performed by applying different magnitudes of power, respectively.Type: ApplicationFiled: November 22, 2023Publication date: September 26, 2024Applicant: Samsung Display Co., LTD.Inventors: Ki Won KIM, Jeong Ju PARK, Seung Sok SON, Kap Soo YOON, Woo Geun LEE, Ji Yun HONG
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Patent number: 10854465Abstract: A method includes forming mask patterns spaced apart from each other by at least one opening on an etch target layer, filling the opening with a block copolymer material including first and second polymer blocks of different properties, and annealing the block copolymer material to form first patterns and second patterns, the first patterns in contact with facing sidewalls of adjacent ones of the mask patterns, respectively, and at least one of the second patterns between the first patterns. The first patterns include the first polymer blocks and the second patterns include the second polymer blocks.Type: GrantFiled: June 29, 2018Date of Patent: December 1, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Shigenobu Maeda, Jeong Ju Park, Eunsung Kim, Hyunwoo Kim, Shiyong Yi
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Patent number: 10727078Abstract: A method of forming fine patterns includes forming a mask on an etching target, forming an anti-reflective layer on the mask, forming fixing patterns such that top surfaces of the anti-reflective layer and fixing patterns are exposed, forming a block copolymer layer including first and second polymer blocks, and phase-separating the block copolymer layer to form first patterns and second patterns on the anti-reflective layer and the fixing patterns. The first and second patterns include the first and second polymer blocks, respectively. The anti-reflective layer has a neutral, i.e., non-selective, interfacial energy with respect to the first and second polymer blocks. The fixing patterns have a higher interfacial energy with respect to the first polymer block than the second polymer block.Type: GrantFiled: December 6, 2016Date of Patent: July 28, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong Ju Park, Kyeongmi Lee, Seungchul Kwon, Eunsung Kim, Shiyong Yi
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Patent number: 10468250Abstract: A rinse solution includes a surfactant and deionized water. The surfactant includes a compound having a branched structure, the compound having a branched structure including a hydrophobic group-containing main chain and a plurality of side chains that are branched from the main chain and have at least one hydrophilic functional group. A method of fabricating an integrated circuit device includes forming a photoresist pattern, followed by applying the rinse solution onto the photoresist pattern.Type: GrantFiled: October 28, 2016Date of Patent: November 5, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Ju-young Kim, Jeong-ju Park, Jin Park, Hai-sub Na
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Patent number: 10352964Abstract: A method of forming a micropattern, a substrate surface inspection apparatus, a cantilever set for an atomic force microscope, and a method of analyzing a surface of a semiconductor substrate, and a probe tip the method including forming pinning patterns on a semiconductor substrate; forming a neutral pattern layer in spaces between the pinning patterns; and inspecting a surface of a guide layer that includes the pinning patterns and the neutral pattern layer by using an atomic force microscope (AFM).Type: GrantFiled: January 25, 2017Date of Patent: July 16, 2019Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kyeong-mi Lee, Jeong-ju Park, Shi-yong Yi, Eun-sung Kim, Seung-chul Kwon, Sang-ouk Kim, Young-joo Choi
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Publication number: 20180308705Abstract: A method includes forming mask patterns spaced apart from each other by at least one opening on an etch target layer, filling the opening with a block copolymer material including first and second polymer blocks of different properties, and annealing the block copolymer material to form first patterns and second patterns, the first patterns in contact with facing sidewalls of adjacent ones of the mask patterns, respectively, and at least one of the second patterns between the first patterns. The first patterns include the first polymer blocks and the second patterns include the second polymer blocks.Type: ApplicationFiled: June 29, 2018Publication date: October 25, 2018Applicant: Samsung Electronics Co., Ltd.Inventors: SHIGENOBU MAEDA, Jeong Ju PARK, Eunsung KIM, Hyunwoo KIM, Shiyong YI
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Patent number: 10101660Abstract: In a method of forming patterns, an object layer is formed on a substrate. Guide patterns are formed on the object layer. A brush layer is formed using a brush polymer on surfaces of the guide patterns. The brush polymer includes at least one of a first brush polymer and a second brush polymer. The first brush polymer includes a hydrophobic repeating unit and a hydrophilic terminal group having at least two hydroxyl groups. The second brush polymer includes a hydrophobic repeating unit and a hydrophilic random repeating unit having a hydroxyl group. A self-aligned layer is formed using a block copolymer on the brush layer to form blocks aligned around the guide patterns. At least a portion of the blocks is transferred to the object layer.Type: GrantFiled: November 8, 2016Date of Patent: October 16, 2018Assignees: Samsung Electronics Co., Ltd., Tokyo Ohka Kogyo Co., Ltd.Inventors: Jeong-Ju Park, Seung-Chul Kwon, Eun-Sung Kim, Kyeong-Mi Lee, Shi-Yong Yi, Tsuyosh Kurosawa, Katsumi Ohmori, Tasuku Matsumiya
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Patent number: 10032638Abstract: A method includes forming mask patterns spaced apart from each other by at least one opening on an etch target layer, filling the opening with a block copolymer material including first and second polymer blocks of different properties, and annealing the block copolymer material to form first patterns and second patterns, the first patterns in contact with facing sidewalls of adjacent ones of the mask patterns, respectively, and at least one of the second patterns between the first patterns. The first patterns include the first polymer blocks and the second patterns include the second polymer blocks.Type: GrantFiled: April 15, 2016Date of Patent: July 24, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Shigenobu Maeda, Jeong Ju Park, Eunsung Kim, Hyunwoo Kim, Shiyong Yi
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Patent number: 9892918Abstract: A method of forming a pattern of a semiconductor device includes forming a lower film on a substrate having a first surface and a second surface at different levels, forming an upper film of hydrophobic material on the lower film, forming a block copolymer film on the upper film, phase-separating the block copolymer film to form first patterns spaced apart from one another and a second pattern spanning the first patterns and interposed between a bottom surface of each of the first patterns and the upper film, removing the first patterns, and performing an etch process using the second pattern or a residual part of the second pattern as an etch mask.Type: GrantFiled: August 18, 2016Date of Patent: February 13, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Eun-Sung Kim, Kyeong-Mi Lee, Seung-Chul Kwon, Jeong-Ju Park, Shi-Yong Yi
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Publication number: 20170213744Abstract: A method of forming fine patterns includes forming a mask on an etching target, forming an anti-reflective layer on the mask, forming fixing patterns such that top surfaces of the anti-reflective layer and fixing patterns are exposed, forming a block copolymer layer including first and second polymer blocks, and phase-separating the block copolymer layer to form first patterns and second patterns on the anti-reflective layer and the fixing patterns. The first and second patterns include the first and second polymer blocks, respectively. The anti-reflective layer has a neutral, i.e., non-selective, interfacial energy with respect to the first and second polymer blocks. The fixing patterns have a higher interfacial energy with respect to the first polymer block than the second polymer block.Type: ApplicationFiled: December 6, 2016Publication date: July 27, 2017Inventors: JEONG JU PARK, KYEONGMI LEE, SEUNGCHUL KWON, EUNSUNG KIM, SHIYONG YI
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Publication number: 20170212145Abstract: A method of forming a micropattern, a substrate surface inspection apparatus, a cantilever set for an atomic force microscope, and a method of analyzing a surface of a semiconductor substrate, and a probe tip the method including forming pinning patterns on a semiconductor substrate; forming a neutral pattern layer in spaces between the pinning patterns; and inspecting a surface of a guide layer that includes the pinning patterns and the neutral pattern layer by using an atomic force microscope (AFM).Type: ApplicationFiled: January 25, 2017Publication date: July 27, 2017Applicant: Korea Advanced Institute of Science and TechnologyInventors: Kyeong-mi LEE, Jeong-ju PARK, Shi-yong YI, Eun-sung KIM, Seung-chul KWON, Sang-ouk KIM, Young-joo CHOI
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Patent number: 9704722Abstract: A method of forming a fine pattern includes forming pillar-shaped guides regularly arranged on a feature layer, forming a block copolymer layer on the feature layer around the pillar-shaped guides, phase separating the block copolymer layer, forming first domains regularly arranged on the feature layer with the pillar-shaped guides, forming a second domain on the feature layer surrounding the pillar-shaped guides and the first domains, removing the first domains, and forming holes corresponding with the first domains in the feature layer by etching the feature layer using the pillar-shaped guides and the second domain as etch masks. The block copolymer layer includes a polymer blend having first and second polymer blocks having first and second repeat units, respectively, a first homopolymer and a second homopolymer. The first domains include the first polymer block and the first homopolymer, and the second domain includes the second polymer block and the second homopolymer.Type: GrantFiled: December 3, 2015Date of Patent: July 11, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong-ju Park, Seung-chul Kwon, Eun-sung Kim, Jae-woo Nam, Shi-yong Yi, Hyun-woo Kim
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Publication number: 20170186615Abstract: A rinse solution includes a surfactant and deionized water. The surfactant includes a compound having a branched structure, the compound having a branched structure including a hydrophobic group-containing main chain and a plurality of side chains that are branched from the main chain and have at least one hydrophilic functional group. A method of fabricating an integrated circuit device includes forming a photoresist pattern, followed by applying the rinse solution onto the photoresist pattern.Type: ApplicationFiled: October 28, 2016Publication date: June 29, 2017Inventors: Ju-young KIM, Jeong-ju PARK, Jin PARK, Hai-sub NA
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Publication number: 20170129972Abstract: In a method of forming patterns, an object layer is formed on a substrate. Guide patterns are formed on the object layer. A brush layer is formed using a brush polymer on surfaces of the guide patterns. The brush polymer includes at least one of a first brush polymer and a second brush polymer. The first brush polymer includes a hydrophobic repeating unit and a hydrophilic terminal group having at least two hydroxyl groups. The second brush polymer includes a hydrophobic repeating unit and a hydrophilic random repeating unit having a hydroxyl group. A self-aligned layer is formed using a block copolymer on the brush layer to form blocks aligned around the guide patterns. At least a portion of the blocks is transferred to the object layer.Type: ApplicationFiled: November 8, 2016Publication date: May 11, 2017Inventors: Jeong-Ju PARK, Seung-Chul KWON, Eun-Sung KIM, Kyeong-Mi LEE, Shi-Yong YI, Tsuyosh KUROSAWA, Katsumi OHMORI, Tasuku MATSUMIYA
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Publication number: 20170125247Abstract: A method of forming a pattern of a semiconductor device includes forming a lower film on a substrate having a first surface and a second surface at different levels, forming an upper film of hydrophobic material on the lower film, forming a block copolymer film on the upper film, phase-separating the block copolymer film to form first patterns spaced apart from one another and a second pattern spanning the first patterns and interposed between a bottom surface of each of the first patterns and the upper film, removing the first patterns, and performing an etch process using the second pattern or a residual part of the second pattern as an etch mask.Type: ApplicationFiled: August 18, 2016Publication date: May 4, 2017Inventors: EUN-SUNG KIM, KYEONG-MI LEE, SEUNG-CHUL KWON, JEONG-JU PARK, SHI-YONG YI
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Patent number: 9535326Abstract: The inventive concepts provide methods of forming a semiconductor device. The method includes forming a neutral layer having a photosensitive property and a reflow property on an anti-reflective coating layer, performing an exposure process and a development process on the neutral layer to form a preliminary neutral pattern at least partially exposing the anti-reflective coating layer, heating the preliminary neutral pattern to form a neutral pattern, forming a block copolymer layer on the neutral pattern, and heating the block copolymer layer to form a block copolymer pattern. The block copolymer pattern includes a first pattern disposed on the anti-reflective coating layer exposed by the neutral pattern, and a second pattern disposed on the neutral pattern and chemically bonded to the first pattern.Type: GrantFiled: February 12, 2015Date of Patent: January 3, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong Ju Park, Kyoungmi Kim, Jaeho Kim, Jungsik Choi
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Publication number: 20160343575Abstract: A method includes forming mask patterns spaced apart from each other by at least one opening on an etch target layer, filling the opening with a block copolymer material including first and second polymer blocks of different properties, and annealing the block copolymer material to form first patterns and second patterns, the first patterns in contact with facing sidewalls of adjacent ones of the mask patterns, respectively, and at least one of the second patterns between the first patterns. The first patterns include the first polymer blocks and the second patterns include the second polymer blocks.Type: ApplicationFiled: April 15, 2016Publication date: November 24, 2016Inventors: Shigenobu MAEDA, Jeong Ju Park, Eunsung Kim, Hyunwoo Kim, Shiyong Yi
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Patent number: 9437452Abstract: A method of forming a fine pattern includes forming a phase separation guide layer on a substrate, forming a neutral layer on the phase separation guide layer, forming a first pattern including first openings on the neutral layer, forming a second pattern including second openings each having a smaller width than each of the first openings, forming a neutral pattern including guide patterns exposing a portion of the phase separation guide layer by etching an exposed portion of the neutral layer by using the second pattern as an etch mask, removing the second pattern to expose a top surface of the neutral pattern, forming a material layer including a block copolymer on the neutral pattern and the phase separation guide layer exposed through the guide patterns, and forming a fine pattern layer including a first block and a second block on the neutral pattern and the phase separation guide layer.Type: GrantFiled: January 23, 2015Date of Patent: September 6, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong-ju Park, Hyoung-hee Kim, Kyoung-mi Kim, Se-kyung Baek, Soo-jin Lee, Jae-ho Kim, Jung-sik Choi
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Patent number: 9406807Abstract: Exemplary embodiments of the invention disclose a method of manufacturing a thin film transistor array panel having reduced overall processing time and providing a uniform crystallization. Exemplary embodiments of the invention also disclose a crystallization method of a thin film transistor, including forming on a substrate a semiconductor layer including a first pixel area, a second pixel area, and a third pixel area. The crystallization method includes crystallizing a portion of the semiconductor layer corresponding to a channel region of a thin film transistor using a micro lens array.Type: GrantFiled: May 29, 2014Date of Patent: August 2, 2016Assignee: Samsung Display Co., Ltd.Inventors: Joo-Han Kim, Hwa-Dong Jung, Wan-Soon Lim, Jee-Hun Lim, Joo Seok Yeom, Tae-Kyung Yim, Jae-Hak Lee, Hyuk Soon Kwon, Hyoung Cheol Lee, Jeong-Ju Park, Se-Myung Kwon, So-Young Koo
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Publication number: 20160172187Abstract: A method of forming a fine pattern includes forming pillar-shaped guides regularly arranged on a feature layer, forming a block copolymer layer on the feature layer around the pillar-shaped guides, phase separating the block copolymer layer, forming first domains regularly arranged on the feature layer with the pillar-shaped guides, forming a second domain on the feature layer surrounding the pillar-shaped guides and the first domains, removing the first domains, and forming holes corresponding with the first domains in the feature layer by etching the feature layer using the pillar-shaped guides and the second domain as etch masks. The block copolymer layer includes a polymer blend having first and second polymer blocks having first and second repeat units, respectively, a first homopolymer and a second homopolymer. The first domains include the first polymer block and the first homopolymer, and the second domain includes the second polymer block and the second homopolymer.Type: ApplicationFiled: December 3, 2015Publication date: June 16, 2016Inventors: Jeong-ju PARK, Seung-chul KWON, Eun-sung KIM, Jae-woo NAM, Shi-yong YI, Hyun-woo KIM