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).

  • Publication number: 20240324320
    Abstract: 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: Application
    Filed: November 22, 2023
    Publication date: September 26, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ki Won KIM, Jeong Ju PARK, Seung Sok SON, Kap Soo YOON, Woo Geun LEE, Ji Yun HONG
  • Patent number: 10854465
    Abstract: 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: Grant
    Filed: June 29, 2018
    Date of Patent: December 1, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Shigenobu Maeda, Jeong Ju Park, Eunsung Kim, Hyunwoo Kim, Shiyong Yi
  • Patent number: 10727078
    Abstract: 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: Grant
    Filed: December 6, 2016
    Date of Patent: July 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong Ju Park, Kyeongmi Lee, Seungchul Kwon, Eunsung Kim, Shiyong Yi
  • Patent number: 10468250
    Abstract: 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: Grant
    Filed: October 28, 2016
    Date of Patent: November 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ju-young Kim, Jeong-ju Park, Jin Park, Hai-sub Na
  • Patent number: 10352964
    Abstract: 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: Grant
    Filed: January 25, 2017
    Date of Patent: July 16, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyeong-mi Lee, Jeong-ju Park, Shi-yong Yi, Eun-sung Kim, Seung-chul Kwon, Sang-ouk Kim, Young-joo Choi
  • Publication number: 20180308705
    Abstract: 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: Application
    Filed: June 29, 2018
    Publication date: October 25, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: SHIGENOBU MAEDA, Jeong Ju PARK, Eunsung KIM, Hyunwoo KIM, Shiyong YI
  • Patent number: 10101660
    Abstract: 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: Grant
    Filed: November 8, 2016
    Date of Patent: October 16, 2018
    Assignees: 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
  • Patent number: 10032638
    Abstract: 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: Grant
    Filed: April 15, 2016
    Date of Patent: July 24, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Shigenobu Maeda, Jeong Ju Park, Eunsung Kim, Hyunwoo Kim, Shiyong Yi
  • Patent number: 9892918
    Abstract: 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: Grant
    Filed: August 18, 2016
    Date of Patent: February 13, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Sung Kim, Kyeong-Mi Lee, Seung-Chul Kwon, Jeong-Ju Park, Shi-Yong Yi
  • Publication number: 20170213744
    Abstract: 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: Application
    Filed: December 6, 2016
    Publication date: July 27, 2017
    Inventors: JEONG JU PARK, KYEONGMI LEE, SEUNGCHUL KWON, EUNSUNG KIM, SHIYONG YI
  • Publication number: 20170212145
    Abstract: 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: Application
    Filed: January 25, 2017
    Publication date: July 27, 2017
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Kyeong-mi LEE, Jeong-ju PARK, Shi-yong YI, Eun-sung KIM, Seung-chul KWON, Sang-ouk KIM, Young-joo CHOI
  • Patent number: 9704722
    Abstract: 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: Grant
    Filed: December 3, 2015
    Date of Patent: July 11, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-ju Park, Seung-chul Kwon, Eun-sung Kim, Jae-woo Nam, Shi-yong Yi, Hyun-woo Kim
  • Publication number: 20170186615
    Abstract: 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: Application
    Filed: October 28, 2016
    Publication date: June 29, 2017
    Inventors: Ju-young KIM, Jeong-ju PARK, Jin PARK, Hai-sub NA
  • Publication number: 20170129972
    Abstract: 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: Application
    Filed: November 8, 2016
    Publication date: May 11, 2017
    Inventors: Jeong-Ju PARK, Seung-Chul KWON, Eun-Sung KIM, Kyeong-Mi LEE, Shi-Yong YI, Tsuyosh KUROSAWA, Katsumi OHMORI, Tasuku MATSUMIYA
  • Publication number: 20170125247
    Abstract: 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: Application
    Filed: August 18, 2016
    Publication date: May 4, 2017
    Inventors: EUN-SUNG KIM, KYEONG-MI LEE, SEUNG-CHUL KWON, JEONG-JU PARK, SHI-YONG YI
  • Patent number: 9535326
    Abstract: 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: Grant
    Filed: February 12, 2015
    Date of Patent: January 3, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong Ju Park, Kyoungmi Kim, Jaeho Kim, Jungsik Choi
  • Publication number: 20160343575
    Abstract: 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: Application
    Filed: April 15, 2016
    Publication date: November 24, 2016
    Inventors: Shigenobu MAEDA, Jeong Ju Park, Eunsung Kim, Hyunwoo Kim, Shiyong Yi
  • Patent number: 9437452
    Abstract: 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: Grant
    Filed: January 23, 2015
    Date of Patent: September 6, 2016
    Assignee: 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
  • Patent number: 9406807
    Abstract: 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: Grant
    Filed: May 29, 2014
    Date of Patent: August 2, 2016
    Assignee: 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
  • Publication number: 20160172187
    Abstract: 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: Application
    Filed: December 3, 2015
    Publication date: June 16, 2016
    Inventors: Jeong-ju PARK, Seung-chul KWON, Eun-sung KIM, Jae-woo NAM, Shi-yong YI, Hyun-woo KIM