Patents by Inventor Geun Cha

Geun Cha 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: 11614901
    Abstract: An apparatus and method for processing sensitive data. The apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program is configured to, in an unprotected data area, read sensitive data from a storage device and transmit the same to a protected data area using the sensitive-data storage endpoint of the protected data area; to, in the protected data area, process the sensitive data using at least one endpoint when a command for a sensitive-data service requested by a client device is received from the unprotected data area; and to, in the unprotected data area, transmit the result of processing the sensitive data to the client device.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: March 28, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soo-Cheol Oh, Dae-Won Kim, Sun-Wook Kim, Seong-Woon Kim, Jae-Geun Cha, Ji-Hyeok Choi, Hyun-Hwa Choi
  • Patent number: 11616108
    Abstract: An organic light emitting diode display includes a substrate, an overlap layer on the substrate, a semiconductor layer on the overlap layer, a first gate conductor on the semiconductor layer, a second gate conductor on the first gate conductor, a data conductor on the second gate conductor, a driving transistor on the overlap layer, and an organic light emitting diode connected with the driving transistor. The driving transistor includes, in the semiconductor layer, a first electrode, a second electrode, with a channel therebetween. A gate electrode of the first gate conductor overlaps the channel. The overlap layer overlaps the channel of the driving transistor and at least a portion of the first electrode. A storage line of the second gate conductor receives a driving voltage through a driving voltage line in the data conductor. The overlap layer receives a constant voltage.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: March 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon Woo Bae, Mee Jae Kang, Thanh Tien Nguyen, Kyoung Won Lee, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo, Myoung Geun Cha
  • Publication number: 20230068662
    Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.
    Type: Application
    Filed: November 8, 2022
    Publication date: March 2, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Myoung Geun CHA, Sang Gun CHOI, Joon Woo BAE, Ji Yeong SHIN, Yong Su LEE
  • Patent number: 11594639
    Abstract: A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: February 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Su Lee, Yoon Ho Khang, Dong Jo Kim, Hyun Jae Na, Sang Ho Park, Se Hwan Yu, Chong Sup Chang, Dae Ho Kim, Jae Neung Kim, Myoung Geun Cha, Sang Gap Kim, Yu-Gwang Jeong
  • Publication number: 20230022035
    Abstract: A display device including: a substrate including a main area and a sub-area at a side of the main area; a thin-film transistor on the substrate and positioned in the main area; a first insulating layer on a gate electrode of the thin-film transistor; a light-emitting element on the first insulating layer, positioned in the main area, and electrically connected to the thin-film transistor; a plurality of pads on the first insulating layer and positioned in the sub-area; and a light-blocking layer overlapping the plurality of pads and located between the substrate and the first insulating layer.
    Type: Application
    Filed: March 1, 2022
    Publication date: January 26, 2023
    Inventors: Myoung Geun CHA, Sang Gun CHOI, Hye Na KWAK, Yun Jung OH, Ki Seok CHOI
  • Patent number: 11563074
    Abstract: A display apparatus includes: a base substrate; a thin film transistor and a power supply wire on the base substrate; a first electrode on the base substrate, and electrically connected to the thin film transistor; a light emitting layer and a common layer on the first electrode; and a second electrode on the common layer. The power supply wire includes: a first conductive layer; a second conductive layer on the first conductive layer; and a third conductive layer on the second conductive layer. The third conductive layer protrudes more than the second conductive layer on a side surface of the power supply wire, and the second electrode contacts a side surface of the second conductive layer.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: January 24, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Tae Wook Kang, Sang Gun Choi, Shin Il Choi, Yun Jung Oh, Myoung Geun Cha
  • Publication number: 20220405236
    Abstract: Disclosed herein are an apparatus and method for managing in-memory container storage. The apparatus includes one or more processors, executable memory for storing at least one program executed by the one or more processors, and a container file system for storing a container, which provides application virtualization. Here, the container file system includes a merged access layer, a container layer, and an image layer, and the at least one program provides an application with link information of files in the container layer and the image layer, thereby allowing the application to access the files.
    Type: Application
    Filed: June 17, 2022
    Publication date: December 22, 2022
    Inventors: Dae-Won KIM, Sun-Wook KIM, Su-Min JANG, Jae-Geun CHA, Hyun-Hwa CHOI
  • Publication number: 20220405021
    Abstract: Disclosed herein are an apparatus and method for managing memory-based integrated storage. The apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program converts data operation tasks in response to a request for access to memory-based integrated storage from a user, a single virtual disk of a virtual storage pool of the memory-based integrated storage converts a disk access command into a command for connecting to a storage backend depending on the data operation tasks, and conversion of the data operation tasks into the command includes target identification indicating which local storage of the memory-based integrated storage is to be used.
    Type: Application
    Filed: June 17, 2022
    Publication date: December 22, 2022
    Inventors: Dae-Won KIM, Sun-Wook KIM, Su-Min JANG, Jae-Geun CHA, Hyun-Hwa CHOI
  • Publication number: 20220399428
    Abstract: A display device includes: a substrate; a transistor disposed on the substrate; a first electrode connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a common voltage line connected to the second electrode; and a third electrode and a fourth electrode disposed between the common voltage line and the second electrode.
    Type: Application
    Filed: March 7, 2022
    Publication date: December 15, 2022
    Inventors: Myoung Geun CHA, Sang Gun CHOI, Tae Wook KANG, Bum Mo SUNG, Yun Jung OH, Yong Su LEE
  • Patent number: 11502282
    Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myoung Geun Cha, Sang Gun Choi, Joon Woo Bae, Ji Yeong Shin, Yong Su Lee
  • Publication number: 20220352282
    Abstract: An exemplary embodiment of the present disclosure provides a display device including: a substrate; a semiconductor layer disposed on the substrate; a first transistor including a first gate electrode disposed on the semiconductor layer; a light-emitting diode connected with the first transistor; and a first layer disposed between the substrate and the semiconductor layer, wherein the semiconductor layer includes a first electrode, a second electrode, and a channel disposed between the first electrode and the second electrode, the channel includes an impurity, and the first layer overlaps the first transistor.
    Type: Application
    Filed: July 19, 2022
    Publication date: November 3, 2022
    Inventors: Mee Jae KANG, Joon Woo BAE, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO, Myoung Geun CHA
  • Publication number: 20220286499
    Abstract: Disclosed herein are an apparatus and method for autoscaling a service shared in a cloud. The apparatus may include memory in which at least one program is recorded and a processor for executing the program, and the program may perform autoscaling by which at least one second service for performing the same function as a first service is additionally generated or deleted depending on a load that is incurred when multiple clients call the first service in the cloud. The at least one second service may be set to one of two or more execution types having different response times depending on a response time required by each of the multiple clients.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 8, 2022
    Inventors: Hyun-Hwa CHOI, Dae-Won KIM, Sun-Wook KIM, Su-Min JANG, Jae-Geun CHA
  • Patent number: 11327686
    Abstract: An apparatus and method for processing sensitive data. The apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program is configured to, in an unprotected data area, read sensitive data from a storage device and transmit the same to a protected data area using the sensitive-data storage endpoint of the protected data area; to, in the protected data area, process the sensitive data using at least one endpoint when a command for a sensitive-data service requested by a client device is received from the unprotected data area; and to, in the unprotected data area, transmit the result of processing the sensitive data to the client device.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: May 10, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dae-Won Kim, Sun-Wook Kim, Seong-Woon Kim, Soo-Cheol Oh, Jae-Geun Cha, Ji-Hyeok Choi, Hyun-Hwa Choi
  • Patent number: 11309373
    Abstract: A display device includes: a pixel at a display region. The pixel includes: a light-emitting element connected between a first power source and a second power source; and a first transistor connected between the first power source and the light-emitting element, the first transistor to control a driving current of the light-emitting element in response to a voltage of a first node. The first transistor includes a first driving transistor and a second driving transistor that are connected in series with each other between the first power source and the light-emitting element, and the first driving transistor and the second driving transistor have structures that are asymmetric with each other in a cross-sectional view.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: April 19, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keun Woo Kim, Yong Su Lee, Myoung Geun Cha, Doo Na Kim, Sang Sub Kim, Jae Hwan Chu, Sang Gun Choi
  • Publication number: 20220077436
    Abstract: An OLED display and a method of manufacturing thereof are disclosed. In one aspect, the display includes a scan line formed over a substrate and configured to transfer a scan signal, a data line and a driving voltage line crossing the scan line and respectively configured to transfer a data voltage and a driving voltage, and a switching transistor electrically connected to the scan line and the data line and including a switching drain electrode configured to output the data voltage. The display also includes a driving transistor including a driving gate electrode, a driving drain electrode, and a driving source electrode electrically connected to the switching drain electrode. The display further includes a storage capacitor including a first storage electrode electrically connected to the driving gate electrode and a second storage electrode formed on the same layer as the driving voltage line.
    Type: Application
    Filed: November 18, 2021
    Publication date: March 10, 2022
    Inventors: Myoung Geun Cha, Jin Goo Jung, Yoon Ho Khang, Se Mi Kim
  • Patent number: 11246944
    Abstract: Disclosed are a ceria nanocomposite for biomedical treatment, including a ceria nanoparticle; and a pharmaceutical composition. The disclosed ceria nanocomposite for biomedical treatment includes a ceria nanoparticle and a surface modification layer arranged on the surface of the ceria nanoparticle, wherein the surface modification layer includes a polyethylene glycol residue, and in the ceria nanoparticle, the content of Ce3+ is greater than the content of Ce4+.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: February 15, 2022
    Assignee: Cenyx Biotech Inc.
    Inventors: Seung-Hoon Lee, Han-Gil Jeong, Do Yeon Kim, Dong-Wan Kang, Jaeyun Kim, Bong Geun Cha
  • Patent number: 11245102
    Abstract: An OLED display and a method of manufacturing thereof are disclosed. In one aspect, the display includes a scan line formed over a substrate and configured to transfer a scan signal, a data line and a driving voltage line crossing the scan line and respectively configured to transfer a data voltage and a driving voltage, and a switching transistor electrically connected to the scan line and the data line and including a switching drain electrode configured to output the data voltage. The display also includes a driving transistor including a driving gate electrode, a driving drain electrode, and a driving source electrode electrically connected to the switching drain electrode. The display further includes a storage capacitor including a first storage electrode electrically connected to the driving gate electrode and a second storage electrode formed on the same layer as the driving voltage line.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myoung Geun Cha, Jin Goo Jung, Yoon Ho Khang, Se Mi Kim
  • Publication number: 20220013617
    Abstract: An exemplary embodiment of the present invention provides a display device including: a substrate including a display area including a plurality of pixels, a peripheral area around the display area, and a bending area that is disposed in the peripheral area and is bent or is able to be bent: a plurality of transistors disposed in the pixel; a driving voltage line that is disposed in the display, area and transmits a driving voltage; a driving voltage transmission line disposed in the peripheral area and connected to the driving voltage line; and an overlap layer that is conductive and overlaps at least one of the plurality of transistors in a plan view, wherein the overlap layer may be disposed in a layer between the substrate and the transistors, the overlap layer may include a first portion disposed in the display area and a second portion disposed in the peripheral area, the second portion may overlap the driving voltage transmission line in the plan view, the second portion may contact the driving voltage
    Type: Application
    Filed: December 18, 2018
    Publication date: January 13, 2022
    Inventors: MYOUNG GEUN CHA, SANG GUN CHOI, JI YEONG SHIN, YONG SU LEE
  • Patent number: 11123301
    Abstract: Provided are a ceria nanocomposite including a ceria nanoparticle for treating subarachnoid hemorrhage, a method of preparing the same, and a pharmaceutical composition including the ceria nanocomposite. The ceria nanocomposite for treating subarachnoid hemorrhage disclosed herein includes a ceria nanoparticle and a surface modified layer disposed on a surface of the ceria nanoparticle, wherein the surface modified layer includes a polyethylene glycol residue.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: September 21, 2021
    Assignee: Cenyx Biotech Inc.
    Inventors: Seung-Hoon Lee, Han-Gil Jeong, Do Yeon Kim, Dong-Wan Kang, Jaeyun Kim, Bong Geun Cha
  • Patent number: 11116769
    Abstract: The present disclosure relates to a film formulation for oral administration, containing tadalafil free base and a method of preparing the same, and a film may be provided with maximized dispersion stability of tadalafil free base in the film by the addition of a dispersion stabilizing agent in small amounts without unique fragrance or favor that may appear when other dispersion stabilizing agents known in the art are used, and an extremely low likelihood that a reagglomeration phenomenon of tadalafil free base particles will occur, and an amount of bubbles generated may be significantly reduced during a production process.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: September 14, 2021
    Assignee: CTC BIO, INC.
    Inventors: Hong Ryeol Jeon, Do-Woo Kwon, Bong-Sang Lee, Su-Jun Park, Bong-Geun Cha, Jun-Ki Kim, Jiyeong Han, Myeongcheol Kil