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: 20240147744
    Abstract: A display panel may include a light emitting element including a light emitting layer and a sensor including a photosensitive layer on a substrate. The light emitting element and the sensor each may include respective portions of first and second common auxiliary layers, which may be continuous under and over the light emitting layer and the photosensitive layer. The first and second common auxiliary layers respectively may include a hole transport material and an electron transport material. The photosensitive layer may include first and second semiconductor layers close to the first and second common auxiliary layers, respectively. The first and second semiconductor layers respectively may include a p-type semiconductor and an n-type semiconductor. The second semiconductor layer may have an uneven surface facing the second common auxiliary layer and may have an average roughness (Rq) of greater than or equal to about 5 nm.
    Type: Application
    Filed: September 22, 2023
    Publication date: May 2, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sungyoung YUN, Hyeong-Ju KIM, Kyung Bae PARK, Jungyun WON, Bongsu KIM, Seongyong PARK, Jeong Il PARK
  • Patent number: 11973584
    Abstract: This application relates to a noise signal generating apparatus. In one aspect, the apparatus includes a bandwidth expansion unit configured to generate a noise signal having a second bandwidth by expanding a noise source signal having a first bandwidth to the second bandwidth that is greater than the first bandwidth. The apparatus may also include a randomization unit configured to perform randomization and output the generated noise signal having the second bandwidth.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: April 30, 2024
    Assignee: Agency for Defense Development
    Inventors: Jaewon Chang, Jeong Ho Ryu, Joo Rae Park, Young Ju Park, Byeong Nam Lee
  • Publication number: 20240119949
    Abstract: An encoding/decoding apparatus and method for controlling a channel signal is disclosed, wherein the encoding apparatus may include an encoder to encode an object signal, a channel signal, and rendering information for the channel signal, and a bit stream generator to generate, as a bit stream, the encoded object signal, the encoded channel signal, and the encoded rendering information for the channel signal.
    Type: Application
    Filed: November 30, 2023
    Publication date: April 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jeong Il SEO, Seung Kwon BEACK, Dae Young JANG, Kyeong Ok KANG, Tae Jin PARK, Yong Ju LEE, Keun Woo CHOI, Jin Woong KIM
  • Publication number: 20240097238
    Abstract: A battery pack is advantageous for effective control and maintenance of thermal events. A battery pack according to one aspect of the present disclosure may include a battery module having one or more battery cells; a fire extinguishing tank holding a fire extinguishing liquid, disposed on top of the battery module and having a through hole formed therein; and a cover member installed in the through hole of the fire extinguishing tank and configured to open or close the through hole according to a change in internal pressure of the fire extinguishing tank.
    Type: Application
    Filed: December 20, 2022
    Publication date: March 21, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Kyu AHN, Ki-Youn KIM, Hyeon-Kyu KIM, Jeong-O MUN, Gi-Dong PARK, Young-Won YUN, Seong-Ju LEE, Jae-Ki LEE
  • Publication number: 20240085777
    Abstract: Provided is a process proximity effect correction method capable of efficiently improving the dispersion of patterns. There is a process proximity effect correction method according to some embodiments, the process proximity effect correction method of a process proximity effect correction device for performing process proximity effect correction (PPC) of a plurality of patterns using a machine learning module executed by a processor, comprising: training a sensitivity model by inputting a layout image of the plurality of patterns and a layout critical dimension (CD) of the plurality of patterns into the machine learning module; estimating an after cleaning inspection critical dimension (ACI-CD) sensitivity prediction value of the plurality of patterns by inferring an ACI-CD prediction value of the plurality of patterns; and determining a correction rate of the layout CD of the plurality of patterns using the estimated sensitivity prediction value.
    Type: Application
    Filed: May 31, 2023
    Publication date: March 14, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dae Young PARK, Jeong Hoon KO, Seong Ryeol KIM, Young-Gu KIM, Tae Hoon KIM, Hyun Joong KIM, Young Ju LEE
  • Publication number: 20240086603
    Abstract: A method of reinforcement learning of a neural network device for generating a verification vector for verifying a circuit design comprising a circuit block includes inputting a test vector to the circuit block, generating one or more rewards based on a coverage corresponding to the test vector, the coverage being determined based on a state transition of the circuit block based on the test vector, and applying the one or more rewards to a reinforcement learning.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Applicant: SAMSUNG ELECTRONICS CO, LTD.
    Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-II PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
  • Patent number: 11923609
    Abstract: Disclosed is a radar antenna including an antenna body including a first plate and a second plate; a slot radiation part and a slot reception part formed in the first plate; a transmission port and a reception port formed in the second plate; and a waveguide formed by assembling the first and second plates. The slot radiation part includes a first slot radiation part configured to radiate a radio wave in a first detection range, and a second slot radiation part configured to radiate radio waves in a second detection range having a larger width and distance than the first detection range.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: March 5, 2024
    Assignee: AMOTECH CO., LTD.
    Inventors: Hyun Joo Park, Kyung Hyun Ryu, Yun Sik Seo, Se Ho Lee, Jeong Geun Heo, Han Ju Do, Hyung Ii Baek
  • 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