Patents by Inventor Sang-Il Park

Sang-Il 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: 20230184808
    Abstract: The present disclosure provides a measuring method for measuring heat distribution of a specific space using an SThM probe, and a method and device for detecting a beam spot of a light source. The method according to an embodiment of the present disclosure is the measuring method for measuring heat distribution of a specific space, the measuring method includes: linearly moving a SThM probe that may measure a temperature change in the specific space; and calculating heat distribution of the specific space using continuous temperature change values obtained from the SThM probe during the moving step. According to the measuring method, and the method and device for detecting a beam spot of a light source, it is possible to map temperature distribution in a small space using a SThM probe and it is possible to accurately detect a beam spot using the temperature distribution.
    Type: Application
    Filed: January 30, 2023
    Publication date: June 15, 2023
    Applicant: PARK SYSTEMS CORP.
    Inventors: Sang-il PARK, Byoung-Woon AHN, Ahjin JO, Soobong Choi
  • Patent number: 11619649
    Abstract: An atomic force microscope equipped with an optical measurement device is disclosed. An atomic force microscope equipped with an optical measurement device which acquires characteristics of a surface of a measurement target by moving a probe along the surface of the measurement target while scanning the measurement target on an XY plane using an XY scanner for supporting the measurement target, includes: an optical measurement device including a lighting unit configured to allow light to enter the surface of the measurement target, and a detection unit configured to detect light reflected by the surface of the measurement target, the optical measurement device being configured to acquire the characteristics of the surface of the measurement target by the scanning by the XY scanner; and a control device configured to control an operation of the atomic force microscope and an operation of the optical measurement device.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: April 4, 2023
    Assignee: PARK SYSTEMS CORP.
    Inventors: Sang-il Park, Byoung-Woon Ahn, Seung-Ho Han, Sang-Joon Cho
  • Patent number: 11598788
    Abstract: The present disclosure provides a measuring method for measuring heat distribution of a specific space using an SThM probe, and a method and device for detecting a beam spot of a light source. The method according to an embodiment of the present disclosure is the measuring method for measuring heat distribution of a specific space, the measuring method includes: linearly moving a SThM probe that may measure a temperature change in the specific space; and calculating heat distribution of the specific space using continuous temperature change values obtained from the SThM probe during the moving step. According to the measuring method, and the method and device for detecting a beam spot of a light source, it is possible to map temperature distribution in a small space using a SThM probe and it is possible to accurately detect a beam spot using the temperature distribution.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: March 7, 2023
    Assignee: PARK SYSTEMS CORP.
    Inventors: Sang-il Park, Byoung-Woon Ahn, Ahjin Jo, Soobong Choi
  • Publication number: 20230046236
    Abstract: The present invention relates to a method for acquiring a surface characteristic of a measuring object using a tilted tip, an atomic force microscope for carrying out the method, and a computer program stored on a storage medium for carrying out the method, capable of acquiring an image deeply to the inside of an undercut structure and easily separating a tip from the inside of the undercut structure. The method according to an exemplary embodiment of the present invention is a method for acquiring a surface characteristic of a measuring object using a measuring device including a tip interacting with the surface of the measuring object.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 16, 2023
    Applicant: PARK SYSTEMS CORP.
    Inventors: Ahjin JO, Sang-il PARK, Byoung-Woon AHN, Seung Hun BAIK
  • Publication number: 20220404529
    Abstract: A window includes: a base panel, and a protection layer disposed above the base panel. The base panel includes: a first base layer, a second base layer disposed below the first base layer, and a first hard coating layer disposed between the first base layer and the second base layer. The protection layer includes: a base film disposed above the first base layer, and a functional layer disposed above the base film and containing a hard coating agent.
    Type: Application
    Filed: April 11, 2022
    Publication date: December 22, 2022
    Inventors: YOUNGSANG PARK, NAMHEE PARK, HANSOL KANG, INSEOK SEO, SANG-IL PARK, SUNGGUK AN, JANG DOO LEE
  • Publication number: 20220310971
    Abstract: A protection film and a display device are provided. A protection film may include a base layer having a phase difference less than 100 nm, an inorganic layer on at least one of top and bottom surfaces of the base layer, and a surface coating layer on the base layer and including a hard coating material.
    Type: Application
    Filed: December 29, 2021
    Publication date: September 29, 2022
    Inventors: GEUNWOOK LEE, KYUNGTAE KIM, BOA KIM, SANG-IL PARK, SUNGGUK AN, SIYUN JUNG
  • Patent number: 11398607
    Abstract: A window member may include a first member and a second member on the first member. A recovery rate of the second member may be 40% or more, and an absolute value of difference in recovery rate between the first and second members may be 45% or less.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: July 26, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeoungsub Lee, Heonjung Shin, Hye-Jin Oh, Min-Hoon Choi, Kyungtae Kim, Boa Kim, Sanghoon Kim, Sang-Il Park, Hyunjoon Oh, Junghoon Han
  • Publication number: 20220206039
    Abstract: An apparatus and a method for identifying a sample position in an atomic force microscope according to an exemplary embodiment of the present disclosure are provided. The method for identifying a sample position in an atomic force microscope includes receiving a vision image including a subject sample through a vision unit; determining a subject sample region in the vision image using a prediction model which is configured to output the subject sample region by receiving the vision image as an input; and determining a position of the subject sample based on the subject sample region.
    Type: Application
    Filed: December 24, 2021
    Publication date: June 30, 2022
    Applicant: PARK SYSTEMS CORP.
    Inventors: JeongHun AN, YongSung CHO, Sang-il PARK
  • Publication number: 20220199606
    Abstract: Provided are optical devices and systems fabricated, at least in part, via printing-based assembly and integration of device components. In specific embodiments the present invention provides light emitting systems, light collecting systems, light sensing systems and photovoltaic systems comprising printable semiconductor elements, including large area, high performance macroelectronic devices. Optical systems of the present invention comprise semiconductor elements assembled, organized and/or integrated with other device components via printing techniques that exhibit performance characteristics and functionality comparable to single crystalline semiconductor based devices fabricated using conventional high temperature processing methods. Optical systems of the present invention have device geometries and configurations, such as form factors, component densities, and component positions, accessed by printing that provide a range of useful device functionalities.
    Type: Application
    Filed: March 9, 2022
    Publication date: June 23, 2022
    Inventors: John A. ROGERS, Ralph NUZZO, Matthew MEITL, Etienne MENARD, Alfred BACA, Michael MOTALA, Jong-Hyun AHN, Sang-Il PARK, Chang-Jae YU, Heung Cho KO, Mark STOYKOVICH, Jongseung YOON
  • Patent number: 11315621
    Abstract: A device includes an operation control circuit and a drive control signal generation circuit. The operation control circuit generates an internal refresh signal that is activated to perform an active operation for a cell array, the cell array being coupled to a word line that is selected by a row address based on a refresh signal that is activated to perform a refresh operation. In addition, the operation control circuit generates a pre-refresh pulse based on the refresh signal and generates a refresh end pulse based on the internal refresh signal. The drive control signal generation circuit generates a drive control signal to control a drive of an active voltage that is supplied to the word line that is selected by the row address based on the internal refresh signal, the pre-refresh pulse, and the refresh end pulse.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: April 26, 2022
    Assignee: SK hynix Inc.
    Inventors: Kyung Mook Kim, Woongrae Kim, Sang Il Park, Seung Hun Lee
  • Patent number: 11309305
    Abstract: Provided are optical devices and systems fabricated, at least in part, via printing-based assembly and integration of device components. In specific embodiments the present invention provides light emitting systems, light collecting systems, light sensing systems and photovoltaic systems comprising printable semiconductor elements, including large area, high performance macroelectronic devices. Optical systems of the present invention comprise semiconductor elements assembled, organized and/or integrated with other device components via printing techniques that exhibit performance characteristics and functionality comparable to single crystalline semiconductor based devices fabricated using conventional high temperature processing methods. Optical systems of the present invention have device geometries and configurations, such as form factors, component densities, and component positions, accessed by printing that provide a range of useful device functionalities.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: April 19, 2022
    Assignees: The Board of Trustees of the University of Illinois, X-Celeprint Limited
    Inventors: John A. Rogers, Ralph Nuzzo, Matthew Meitl, Etienne Menard, Alfred Baca, Michael Motala, Jong-Hyun Ahn, Sang-Il Park, Chang-Jae Yu, Heung Cho Ko, Mark Stoykovich, Jongseung Yoon
  • Patent number: 11295799
    Abstract: A device for performing a refresh operation includes a row control circuit and a row decoder. The row control circuit is configured to generate a bank active signal and a row address for controlling an active operation for a first memory bank based on a refresh signal. The row control circuit is also configured to generate the bank active signal for controlling the active operation for a second memory bank based on a power control signal. The row decoder is configured to receive the bank active signal and the row address to control the active operation for the first memory bank and the second memory bank.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: April 5, 2022
    Assignee: SK hynix Inc.
    Inventors: Kyung Mook Kim, Do Hong Kim, Woongrae Kim, Sang Il Park, Sang Woo Yoon, Jong Seok Han
  • Publication number: 20210399257
    Abstract: A display device includes a window, a display panel disposed below the window, and an adhesive layer disposed between the window and the display panel. The window includes a glass portion, and a synthetic resin portion overlapping at least a side surface of the glass portion and exposing the upper surface of the glass portion.
    Type: Application
    Filed: October 12, 2019
    Publication date: December 23, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seongjin HWANG, Kyu Young KIM, Dohoon KIM, Sanghoon KIM, Sang-Il PARK, Min-Hoon CHOI
  • Publication number: 20210383858
    Abstract: A device includes an operation control circuit and a drive control signal generation circuit. The operation control circuit generates an internal refresh signal that is activated to perform an active operation for a cell array, the cell array being coupled to a word line that is selected by a row address based on a refresh signal that is activated to perform a refresh operation. In addition, the operation control circuit generates a pre-refresh pulse based on the refresh signal and generates a refresh end pulse based on the internal refresh signal. The drive control signal generation circuit generates a drive control signal to control a drive of an active voltage that is supplied to the word line that is selected by the row address based on the internal refresh signal, the pre-refresh pulse, and the refresh end pulse.
    Type: Application
    Filed: September 1, 2020
    Publication date: December 9, 2021
    Applicant: SK hynix Inc.
    Inventors: Kyung Mook KIM, Woongrae KIM, Sang Il PARK, Seung Hun LEE
  • Patent number: 11196151
    Abstract: An electronic device according to an embodiment of the present invention comprises a first conductive plate; and a second conductive plate which extends from the first conductive plate at a first angle to the first conductive plate, wherein the first conductive plate and the second conductive plate comprise a conductive member which forms a cavity opened in a first direction perpendicular to the first conductive plate; a first radiation unit which is disposed apart from the first conductive plate by a first distance in a first direction; a second radiation unit which is disposed apart from the first conductive plate by a second distance in a second direction opposite to the first direction; at least one wireless communication circuit which feeds electricity to the first radiation unit and the second radiation unit; and a processor which is electrically connected with the wireless communication circuit, the processor can be set to cause the wireless communication circuit to receive a signal of a first frequenc
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: December 7, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Ho Ahn, Sang Il Park, Bo Ram Namgoong, Jae Bong Chun
  • Publication number: 20210373046
    Abstract: The present disclosure provides a measuring method for measuring heat distribution of a specific space using an SThM probe, and a method and device for detecting a beam spot of a light source. The method according to an embodiment of the present disclosure is the measuring method for measuring heat distribution of a specific space, the measuring method includes: linearly moving a SThM probe that may measure a temperature change in the specific space; and calculating heat distribution of the specific space using continuous temperature change values obtained from the SThM probe during the moving step. According to the measuring method, and the method and device for detecting a beam spot of a light source, it is possible to map temperature distribution in a small space using a SThM probe and it is possible to accurately detect a beam spot using the temperature distribution.
    Type: Application
    Filed: June 1, 2021
    Publication date: December 2, 2021
    Inventors: Sang-il PARK, Byoung-Woon AHN, Ahjin JO, Soobong Choi
  • Patent number: 11175308
    Abstract: A chip carrier exchanging device receives a used chip carrier from a head of a scanning probe microscope that performs measurement by using the chip carrier configured such that a measurement means is attached to a carrier made of a magnetic material, and the chip carrier exchanging device supplies a new chip carrier to the head. The chip carrier exchanging device includes: a permanent magnet; a magnetism flow connecting unit made of a magnetic material that allow magnetism to flow therethrough, the magnetism flow connecting unit being configured to fix the chip carrier by exerting a magnetic effect on the carrier; and a drive unit configured to operate the permanent magnet to change magnetic force between the carrier and the magnetism flow connecting unit.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: November 16, 2021
    Assignee: PARK SYSTEMS CORP.
    Inventors: Sang-il Park, Yonghan Lee, Ahjin Jo
  • Publication number: 20210327493
    Abstract: A device for performing a refresh operation includes a row control circuit and a row decoder. The row control circuit is configured to generate a bank active signal and a row address for controlling an active operation for a first memory bank based on a refresh signal. The row control circuit is also configured to generate the bank active signal for controlling the active operation for a second memory bank based on a power control signal. The row decoder is configured to receive the bank active signal and the row address to control the active operation for the first memory bank and the second memory bank.
    Type: Application
    Filed: July 16, 2020
    Publication date: October 21, 2021
    Applicant: SK hynix Inc.
    Inventors: Kyung Mook KIM, Do Hong KIM, Woongrae KIM, Sang Il PARK, Sang Woo YOON, Jong Seok HAN
  • Publication number: 20210300010
    Abstract: A cover window for a display device includes: a first film; a second film on the first film; and an adhesive layer between the first film and the second film. The adhesive layer has a lap shear modulus in a range of 20 kPa to 50 kPa.
    Type: Application
    Filed: June 11, 2021
    Publication date: September 30, 2021
    Inventors: Min-Hoon CHOI, Heon Jung SHIN, Hye-Jin OH, Jeoung Sub LEE, Kyung Tae KIM, Bo A KIM, Sang Hoon KIM, Sang-Il PARK, Hyun Joon OH
  • Patent number: D986843
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: May 23, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Il Park, Ji-Hyun Ko, Sang-Sik Park