Patents by Inventor Joon Sang Park

Joon Sang 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).

  • Patent number: 11824061
    Abstract: A display device includes a plurality of pixels respectively coupled to scan lines and data lines intersecting the scan lines, wherein at least some of the pixels includes a driving transistor including a substrate, a first insulating layer disposed on the substrate, a first active layer disposed on the first insulating layer, a first gate electrode disposed on the first active layer, and a first source electrode and a first drain electrode electrically connected to the first active layer, the first drain electrode being spaced apart from the first source electrode by a first distance, and a switching transistor including a second gate electrode disposed between the substrate and the first insulating layer, a second active layer disposed on the same layer as the first active layer, and a second source electrode and a second drain electrode electrically connected to the second active layer, the second drain electrode being spaced apart from the second source electrode by a second distance different from the fi
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: November 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joon Seok Park, Tae Sang Kim, Yeon Keon Moon, Geun Chul Park, Jun Hyung Lim, Kyung Jin Jeon
  • Publication number: 20230294628
    Abstract: To robustly estimate three-dimensional behaviors of an occupant by fusing, through a particle filter, information obtained through vehicle indoor cameras and through vehicle internal information sensors, an occupant behavior estimation system includes: a camera configured to obtain images of the at least one occupant within the vehicle; sensors configured to obtain information on the vehicle; an image processing device configured to process images obtained from the camera and to obtain key point information of the at least one occupant and object tracking information that is provided by tracking the at least one occupant; and a vehicle safety controller configured to estimate the behaviors of the occupant by using a particle filter based on the information on the vehicle obtained through the sensors, the key point information and the object tracking information, which are obtained from the image processing device.
    Type: Application
    Filed: March 15, 2023
    Publication date: September 21, 2023
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventor: Joon Sang PARK
  • Publication number: 20230299089
    Abstract: A display device includes: a substrate; a first active layer of a first transistor and a second active layer of a second transistor on the substrate; a first gate insulating layer on the first active layer; a first gate electrode on the first gate insulating layer; a second gate insulating layer on the second active layer; and a second gate electrode on the second gate insulating layer, wherein a hydrogen concentration of the first gate insulating layer is lower than a hydrogen concentration of the second gate insulating layer.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Inventors: Yeon Keon MOON, Tae Sang KIM, Joon Seok PARK, Myoung Hwa KIM, Hyung Jun KIM, Sang Woo SOHN, Hye Lim CHOI
  • Publication number: 20230249102
    Abstract: An absorbent belt according to an embodiment is for absorbing an oil contained in a cleaning liquid, and the absorbent belt includes a sponge member coated with dopamine (DA) formed by immersing a sponge in a solution mixed with the dopamine in a preset range of 1 g/L or more and 16 g/L or less.
    Type: Application
    Filed: November 17, 2022
    Publication date: August 10, 2023
    Inventors: Sungmin Bae, Cheol Sang Kim, Chan Hee Park, Sung Won Ko, Jun Hee Lee, Joon Yeon Moon
  • Patent number: 11664386
    Abstract: A display device includes: a substrate; a first active layer of a first transistor and a second active layer of a second transistor on the substrate; a first gate insulating layer on the first active layer; a first gate electrode on the first gate insulating layer; a second gate insulating layer on the second active layer; and a second gate electrode on the second gate insulating layer, wherein a hydrogen concentration of the first gate insulating layer is lower than a hydrogen concentration of the second gate insulating layer.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: May 30, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeon Keon Moon, Tae Sang Kim, Joon Seok Park, Myoung Hwa Kim, Hyung Jun Kim, Sang Woo Sohn, Hye Lim Choi
  • Patent number: 11327079
    Abstract: The present invention relates to a method of directly detecting, using a mass-spectrometry method, whether a microorganism contained in a sample is resistant to antibiotics, and a kit for detection used therewith. More particularly, the present invention relates to a method and kit for directly detecting an antibiotic hydrolase secreted by a microorganism resistant to antibiotics, thereby directly determining whether the microorganism is resistant to antibiotics. According to the present invention, it is possible to very simply and immediately confirm whether a specific strain is resistant to antibiotics in the field. In particular, a complicated pretreatment process such as proteolysis is not performed, and a complicated identification process of calibrating and then combining the obtained results is not performed.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: May 10, 2022
    Assignee: DK HOLDINGS COMPANY, LTD
    Inventors: Kye Shin Park, Joon Sang Park, Eun Hee Lee, Dong Hwi Hwang, In Jung Ji, Jae Woo Roh, Jin Sung Ahn, Eun-Jeong Yoon, Ji Hye Ko
  • Publication number: 20210318332
    Abstract: The present invention relates to a method of directly detecting, using a mass-spectrometry method, whether a microorganism contained in a sample is resistant to antibiotics, and a kit for detection used therewith. More particularly, the present invention relates to a method and kit for directly detecting an antibiotic hydrolase secreted by a microorganism resistant to antibiotics, thereby directly determining whether the microorganism is resistant to antibiotics. According to the present invention, it is possible to very simply and immediately confirm whether a specific strain is resistant to antibiotics in the field. In particular, a complicated pretreatment process such as proteolysis is not performed, and a complicated identification process of calibrating and then combining the obtained results is not performed.
    Type: Application
    Filed: December 12, 2018
    Publication date: October 14, 2021
    Inventors: Kye Shin PARK, Joon Sang PARK, Eun Hee LEE, Dong Hwi HWANG, In Jung JI, Jae WOO ROH, Jin Sung AHN, Eun-Jeong YOON, Ji Hye KO
  • Patent number: 9800372
    Abstract: Provided are a data transmission system, an encoding apparatus, and a decoding method. The encoding apparatus includes an encoding unit configured to use an encoding matrix to encode original packets sequentially generated from a codec to generate an encoded packet in units of a generation. The encoding unit is configured to use information provided from the codec to dynamically determine a generation boundary of the original packets to encode the original packets. The encoding unit is configured to dynamically a generation size according to a generation time of the original packets. According to embodiments of the inventive concept, it is possible to use information provided from a VoIP codec to dynamically determine the boundary or size of a generation to decrease a standby time upon encoding/decoding, and may recover the loss of packets that may occur in a wired/wireless network.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: October 24, 2017
    Assignee: Hongik University-Academia Cooperation Foundation
    Inventor: Joon-Sang Park
  • Publication number: 20170117987
    Abstract: Provided are a data transmission system, an encoding apparatus, and a decoding method. The encoding apparatus includes an encoding unit configured to use an encoding matrix to encode original packets sequentially generated from a codec to generate an encoded packet in units of a generation. The encoding unit is configured to use information provided from the codec to dynamically determine a generation boundary of the original packets to encode the original packets. The encoding unit is configured to dynamically a generation size according to a generation time of the original packets. According to embodiments of the inventive concept, it is possible to use information provided from a VoIP codec to dynamically determine the boundary or size of a generation to decrease a standby time upon encoding/decoding, and may recover the loss of packets that may occur in a wired/wireless network.
    Type: Application
    Filed: February 29, 2016
    Publication date: April 27, 2017
    Inventor: Joon-Sang Park
  • Publication number: 20130234100
    Abstract: Phase change memory devices can have bottom patterns on a substrate. Line-shaped or L-shaped bottom electrodes can be formed in contact with respective bottom patterns on a substrate and to have top surfaces defined by dimensions in x and y axes directions on the substrate. The dimension along the x-axis of the top surface of the bottom electrodes has less width than a resolution limit of a photolithography process used to fabricate the phase change memory device. Phase change patterns can be formed in contact with the top surface of the bottom electrodes to have a greater width than each of the dimensions in the x and y axes directions of the top surface of the bottom electrodes and top electrodes can be formed on the phase change patterns, wherein the line shape or the L shape represents a sectional line shape or a sectional L shape of the bottom electrodes in the x-axis direction.
    Type: Application
    Filed: April 11, 2013
    Publication date: September 12, 2013
    Inventors: Hyeong-Geun An, Dong-Ho Ahn, Young-Soo Lim, Yong-Ho Ha, Jun-Young Jang, Dong-Won Lim, Gyeo-Re Lee, Joon-Sang Park, Han-Bong Ko, Young-Lim Park
  • Publication number: 20130112914
    Abstract: A slurry composition includes an abrasive agent, an oxidizing agent, and a first adsorption inhibitor including a polyethylene oxide copolymer. A method of manufacturing a phase change memory device may include providing a substrate including an interlayer insulating film having a trench and a phase change material layer on the interlayer insulating film filling the trench, and performing chemical mechanical polishing on the phase change material layer using the slurry composition to form a phase change material pattern layer.
    Type: Application
    Filed: September 14, 2012
    Publication date: May 9, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Choong-Ho HAN, Sang-Kyun KIM, Ye-Hwan KIM, Joon-Sang PARK, Jin-Woo BAE, Won-Jun LEE, Kyoung-Moon KANG, Jae-Dong LEE
  • Patent number: 8426840
    Abstract: A nonvolatile memory cell includes a substrate and a phase changeable pattern configured to retain a state of the memory cell, on the substrate. An electrically insulating layer is provided, which contains a first electrode therein in contact with the phase changeable pattern. The first electrode has at least one of an L-shape when viewed in cross section and an arcuate shape when viewed from a plan perspective. A lower portion of the first electrode may be ring-shaped when viewed from the plan perspective. The lower portion of the first electrode may also have a U-shaped cross-section. An upper portion of the first electrode may also have an arcuate shape that spans more than 180° of a circular arc.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: April 23, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeong-Geun An, Dong-Ho Ahn, Young-Soo Lim, Yong-Ho Ha, Jun-Young Jang, Dong-Won Lim, Gyeo-Re Lee, Joon-Sang Park, Han-Bong Ko, Young-Lim Park
  • Patent number: 8168509
    Abstract: In an etching method, a thin layer is formed on a first surface of a first substrate doped with first impurities having a first doping concentration. The thin layer is doped with second impurities having a second doping concentration lower than the first doping concentration. A second substrate is formed on the thin layer. A second surface of the first substrate is polished. The polished first substrate is cleaned using a cleaning solution including ammonia and deionized water. The cleaned first substrate is etched to expose the thin layer.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: May 1, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki-Hyung Ko, Byoung-Moon Yoon, Won-Jun Lee, Joon-Sang Park, Jun-Youl Yang, Seung-Ho Park, Myung-Jung Pyo
  • Patent number: 8168535
    Abstract: A method of fabricating a phase change memory device includes the use of first, second and third polishing processes. The first polishing process forms a first contact portion using a first sacrificial layer and the second polishing process forms a phase change material pattern using a second sacrificial layer. After removing the first and second sacrificial layers to expose resultant protruding structures of the first contact portion and the phase change material pattern, a third polishing process is used to polish the resultant protruding structures using an insulation layer as a polishing stopper layer.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: May 1, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-Soo Bae, Suk-Hun Choi, Won-Jun Lee, Joon-Sang Park
  • Patent number: 8133757
    Abstract: A phase changeable memory unit includes a lower electrode, an insulating interlayer structure having an opening, a phase changeable material layer and an upper electrode. The lower electrode is formed on a substrate. The insulating interlayer structure has an opening and is formed on the lower electrode and the substrate. The opening exposes the lower electrode and has a width gradually decreasing downward. The phase changeable material layer fills the opening and partially covers an upper face of the insulating interlayer structure. The upper electrode is formed on the phase changeable material layer.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: March 13, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Suk Kwon, Young-Soo Lim, Sung-Un Kwon, Yong-Ho Ha, Jeong-Hee Park, Joon-Sang Park, Myung-Jin Kang, Doo-Hwan Park
  • Patent number: 8133756
    Abstract: A chemical-mechanical polishing (CMP) method of polishing a phase-change material and a method of fabricating a phase-change memory, the CMP method including forming the phase-change material on an activation surface of a semiconductor wafer, and performing a CMP process on the phase-change material using a polishing pad, wherein the performing the CMP process includes reducing a change in the composition of the phase-change material by adjusting, within a predetermined range, a temperature of a region where the semiconductor wafer and the polishing pad contact each other.
    Type: Grant
    Filed: November 4, 2009
    Date of Patent: March 13, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joon-sang Park, Chung-ki Min, Dong-keun Kim, Yeol Jon, Chang-sun Hwang, Tae-eun Kim
  • Publication number: 20110306173
    Abstract: A method of fabricating a phase change memory device includes the use of first, second and third polishing processes. The first polishing process forms a first contact portion using a first sacrificial layer and the second polishing process forms a phase change material pattern using a second sacrificial layer. After removing the first and second sacrificial layers to expose resultant protruding structures of the first contact portion and the phase change material pattern, a third polishing process is used to polish the resultant protruding structures using an insulation layer as a polishing stopper layer.
    Type: Application
    Filed: April 12, 2011
    Publication date: December 15, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Soo BAE, Suk-Hun CHOI, Won-Jun LEE, Joon-Sang PARK
  • Patent number: 8039829
    Abstract: A contact structure that includes a first pattern formed on a substrate, wherein the first pattern has a recessed region in an upper surface thereof, a planarized buffer pattern formed on the first pattern, and a conductive pattern formed on the planarized buffer pattern.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: October 18, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-Hee Park, Yong-Ho Ha, Hyeong-Geun An, Joon-Sang Park, Hyun-Suk Kwon, Myung-Jin Kang, Doo-Hwan Park
  • Publication number: 20110136290
    Abstract: In an etching method, a thin layer is formed on a first surface of a first substrate doped with first impurities having a first doping concentration. The thin layer is doped with second impurities having a second doping concentration lower than the first doping concentration. A second substrate is formed on the thin layer. A second surface of the first substrate is polished. The polished first substrate is cleaned using a cleaning solution including ammonia and deionized water. The cleaned first substrate is etched to expose the thin layer.
    Type: Application
    Filed: December 3, 2010
    Publication date: June 9, 2011
    Inventors: Ki-Hyung KO, Byoung-Moon Yoon, Won-Jun Lee, Joon-Sang Park, Jun-Youl Yang, Seung-Ho Park, Myung-Jung Pyo
  • Publication number: 20110044098
    Abstract: A nonvolatile memory cell includes a substrate and a phase changeable pattern configured to retain a state of the memory cell, on the substrate. An electrically insulating layer is provided, which contains a first electrode therein in contact with the phase changeable pattern. The first electrode has at least one of an L-shape when viewed in cross section and an arcuate shape when viewed from a plan perspective. A lower portion of the first electrode may be ring-shaped when viewed from the plan perspective. The lower portion of the first electrode may also have a U-shaped cross-section. An upper portion of the first electrode may also have an arcuate shape that spans more than 180° of a circular arc.
    Type: Application
    Filed: October 27, 2010
    Publication date: February 24, 2011
    Inventors: Hyeong-Geun An, Dong-Ho Ahn, Young-Soo Lim, Yong-Ho Ha, Jun-Young Jang, Dong-Won Lim, Gyeo-Re Lee, Joon-Sang Park, Han-Bong Ko, Young-Lim Park