Patents by Inventor Kyoung-won Lee

Kyoung-won Lee 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: 20220144774
    Abstract: Provided are a novel process for preparing (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine or a salt thereof, which is an intermediate useful for the preparation of tofacitinib, an intermediate used in the process, i.e., isopropanol solvate of methyl ((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)carbamate dibenzoyl-L-tartrate, an intermediate, having excellent stability, useful for the preparation of tofacitinib, i.e., (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine acetate, and a process for preparing tofacitinib or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 3, 2020
    Publication date: May 12, 2022
    Applicant: YUHAN CORPORATION
    Inventors: Sang-Ho OH, Doo-Byung LEE, Kyoung-Chan KWON, Sang-Won KIM, Hyo-Ick HWANG, Kyeong-Sill LEE, Ik-Su JO, Ji-Hye CHOI, Sung-Hee CHO, Su-Young LEE
  • Publication number: 20220140032
    Abstract: A display device according to an embodiment includes: a first metal layer disposed on a substrate; a first insulating layer disposed on the first metal layer; a first transistor disposed on the first insulating layer and including a semiconductor layer; and a light-emitting device electrically connected to the first transistor, wherein the first metal layer includes a first portion with a first thickness and a second portion with a second thickness, the second thickness is greater than the first thickness, and the semiconductor layer is electrically connected to the first metal layer.
    Type: Application
    Filed: June 10, 2021
    Publication date: May 5, 2022
    Inventors: Kyoung Won LEE, Eun Hye KO, Yeon Hong KIM, Eun Hyun KIM, Sun Hee LEE, Jun Hyung LIM
  • Publication number: 20220140038
    Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.
    Type: Application
    Filed: January 11, 2022
    Publication date: May 5, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joon Woo BAE, So Young KOO, Han Bit KIM, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
  • Patent number: 11257886
    Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: February 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon Woo Bae, So Young Koo, Han Bit Kim, Thanh Tien Nguyen, Kyoung Won Lee, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo
  • Publication number: 20220020837
    Abstract: A display device includes a substrate, a corrosion prevention layer on the substrate and including an inorganic material, a first conductive layer on the corrosion prevention layer and including aluminum or an aluminum alloy, a first insulating film on the first conductive layer, a semiconductor layer on the first insulating film and including a channel region of a transistor, a second insulating film on the semiconductor layer, and a second conductive layer on the second insulating film and including a barrier layer, which includes titanium, and a main conductive layer, which includes aluminum or an aluminum alloy, wherein the semiconductor layer includes an oxide semiconductor, and the barrier layer is between the semiconductor layer and the main conductive layer and overlaps the channel region of the transistor.
    Type: Application
    Filed: April 6, 2021
    Publication date: January 20, 2022
    Inventors: Yeon Hong KIM, Eun Hye KO, Eun Hyun KIM, Kyoung Won LEE, Sun Hee LEE, Jun Hyung LIM
  • Patent number: 11062800
    Abstract: A computing device obtains information about a medical slide image, and determines a dataset type of the medical slide image and a panel of the medical slide image. The computing device assigns to an annotator account, an annotation job defined by at least the medical slide image, the determined dataset type, an annotation task, and a patch that is a partial area of the medical slide image. The annotation task includes the determined panel, and the panel is designated as one of a plurality of panels including a cell panel, a tissue panel, and a structure panel. The dataset type indicates a use of the medical slide image and is designated as one of a plurality of uses including a training use of a medical learning model and a validation use of the machine learning model.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: July 13, 2021
    Assignee: LUNIT INC.
    Inventors: Kyoung Won Lee, Kyung Hyun Paeng
  • Publication number: 20210183298
    Abstract: A display apparatus includes a display panel and a timing controller. The timing controller generates first output image data based on input image data and sets a driving frequency of the display panel as a first frequency in a first operation mode. The timing controller converts the input image data into second output image data and sets the driving frequency of the display panel as a second frequency lower than the first frequency in a second operation mode. The display panel displays a first image based on the first frequency and the first output image data in the first operation mode. The first image is represented by X grayscales. The display panel displays a second image based on the second frequency and the second output image data in the second operation mode. The second image is represented by Y grayscales, where Y is less than X.
    Type: Application
    Filed: March 2, 2021
    Publication date: June 17, 2021
    Inventors: Mun-San Park, Joon-Chul Goh, Woo-Mi Bae, Kyoung-Won Lee
  • Patent number: 10964250
    Abstract: A display apparatus includes a display panel and a timing controller. The timing controller generates first output image data based on input image data and sets a driving frequency of the display panel as a first frequency in a first operation mode. The timing controller converts the input image data into second output image data and sets the driving frequency of the display panel as a second frequency lower than the first frequency in a second operation mode. The display panel displays a first image based on the first frequency and the first output image data in the first operation mode. The first image is represented by X grayscales. The display panel displays a second image based on the second frequency and the second output image data in the second operation mode. The second image is represented by Y grayscales, where Y is less than X.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Mun-San Park, Joon-Chul Goh, Woo-Mi Bae, Kyoung-Won Lee
  • Patent number: 10734526
    Abstract: A display device includes: a flexible substrate; a semiconductor layer on the flexible substrate; a passivation layer on the semiconductor layer; an alignment member layer on the passivation, the alignment member layer including a first alignment member and a second alignment member in a same layer; a first insulation layer on the alignment member layer and the passivation layer; a gate electrode on the first insulation layer; a second insulation layer on the first insulation layer and the gate electrode; and a source electrode and a drain electrode on the second insulation layer and spaced apart from each other, wherein the first alignment member and the second alignment member are spaced apart from each other with the gate electrode therebetween.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Chan Lee, Kyoung Won Lee, Woong Hee Jeong, Yong Su Lee
  • Publication number: 20200210926
    Abstract: A computing device obtains information about a medical slide image, and determines a dataset type of the medical slide image and a panel of the medical slide image. The computing device assigns to an annotator account, an annotation job defined by at least the medical slide image, the determined dataset type, an annotation task, and a patch that is a partial area of the medical slide image. The annotation task includes the determined panel, and the panel is designated as one of a plurality of panels including a cell panel, a tissue panel, and a structure panel. The dataset type indicates a use of the medical slide image and is designated as one of a plurality of uses including a training use of a medical learning model and a validation use of the machine learning model.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 2, 2020
    Inventors: Kyoung Won Lee, Kyung Hyun Paeng
  • Publication number: 20200152316
    Abstract: A computing device obtains information about a medical slide image, and determines a dataset type of the medical slide image and a panel of the medical slide image. The computing device assigns to an annotator account, an annotation job defined by at least the medical slide image, the determined dataset type, an annotation task, and a patch that is a partial area of the medical slide image. The annotation task includes the determined panel, and the panel is designated as one of a plurality of panels including a cell panel, a tissue panel, and a structure panel. The dataset type indicates a use of the medical slide image and is designated as one of a plurality of uses including a training use of a medical learning model and a validation use of the machine learning model.
    Type: Application
    Filed: November 1, 2019
    Publication date: May 14, 2020
    Inventors: Kyoung Won LEE, Kyung Hyun PAENG
  • Publication number: 20200135831
    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: Application
    Filed: October 23, 2019
    Publication date: April 30, 2020
    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: 20200111855
    Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.
    Type: Application
    Filed: October 3, 2019
    Publication date: April 9, 2020
    Inventors: Joon Woo BAE, So Young KOO, Han Bit KIM, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
  • Publication number: 20200105850
    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: September 27, 2019
    Publication date: April 2, 2020
    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
  • Patent number: 10453911
    Abstract: A display device includes first semiconductor pattern including a first channel portion, a first electrode connected to a driving voltage line, and a second electrode connected to a light emitting element, a first insulating, a first conductive layer including a first gate electrode, a second insulating layer, a second conductive layer including an initialization power line, a third insulating layer, an upper semiconductor layer including a second semiconductor pattern including a second channel portion, a third electrode, and a fourth electrode connected to the first gate electrode, and a third semiconductor pattern including a third channel portion, a fifth electrode connected to the third electrode, and a sixth electrode connected to the second electrode, a fourth insulating layer, and a third conductive layer including a scan line and a control signal line, wherein the upper semiconductor layer does not overlap the first gate electrode and the initialization power line.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: October 22, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myoung Geun Cha, Sang Gun Choi, Thanh Tien Nguyen, Kyoung Won Lee, Yong Su Lee, Joo Hye Jung
  • Patent number: 10438556
    Abstract: A display apparatus includes a timing controller, a data driver and a display panel. The timing controller receives input image data at a first frequency substantially equal to a frame rate of an input image. The timing controller generates a data signal having the first frequency based on the input image data having the first frequency. The data driver converts the data signal into a data voltage. The display panel displays an image based on the data voltage.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: October 8, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyoung-Won Lee, Su-Hyeong Park, Mun-San Park, Joon-Chul Goh, Woo-Mi Bae
  • Publication number: 20190279551
    Abstract: A display apparatus includes a display panel and a timing controller The timing controller generates first output image data based on input image data and sets a driving frequency of the display panel as a first frequency in a first operation mode. The timing controller converts the input image data into second output image data and sets the driving frequency of the display panel as a second frequency lower than the first frequency in a second operation mode. The display panel displays a first image based on the first frequency and the first output image data in the first operation mode. The first image is represented by X grayscales. The display panel displays a second image based on the second frequency and the second output image data in the second operation mode. The second image is represented by Y grayscales, where Y is less than X.
    Type: Application
    Filed: May 23, 2019
    Publication date: September 12, 2019
    Inventors: MUN-SAN PARK, Joon-Chul Goh, Woo-Mi Bae, Kyoung-Won Lee
  • Patent number: 10346514
    Abstract: Disclosed is a method and device for displaying a widget for an extended service. The method may include identifying, in a messaging application, link information or summary information of a content page corresponding to the link information, transferring the link information to a message server providing an instant messaging service of the messaging application, receiving, from the message server, widget information to provide an access to an event registered by an entity related to the link information or an extended service applicable to the entity related to the link information among extended services registered in the message server, and displaying a widget based on the widget information.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: July 9, 2019
    Assignee: KAKAO CORP.
    Inventors: Yeda Eun Kim, Kyoung Won Lee, Hye Won Jeong
  • Patent number: 10339848
    Abstract: A display apparatus includes a display panel and a timing controller. The timing controller generates first output image data based on input image data and sets a driving frequency of the display panel as a first frequency in a first operation mode. The timing controller converts the input image data into second output image data and sets the driving frequency of the display panel as a second frequency lower than the first frequency in a second operation mode. The display panel displays a first image based on the first frequency and the first output image data in the first operation mode. The first image is represented by X grayscales. The display panel displays a second image based on the second frequency and the second output image data in the second operation mode. The second image is represented by Y grayscales, where Y is less than X.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: July 2, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Mun-San Park, Joon-Chul Goh, Woo-Mi Bae, Kyoung-Won Lee
  • Publication number: 20190115412
    Abstract: A display device includes first semiconductor pattern including a first channel portion, a first electrode connected to a driving voltage line, and a second electrode connected to a light emitting element, a first insulating, a first conductive layer including a first gate electrode, a second insulating layer, a second conductive layer including an initialization power line, a third insulating layer, an upper semiconductor layer including a second semiconductor pattern including a second channel portion, a third electrode, and a fourth electrode connected to the first gate electrode, and a third semiconductor pattern including a third channel portion, a fifth electrode connected to the third electrode, and a sixth electrode connected to the second electrode, a fourth insulating layer, and a third conductive layer including a scan line and a control signal line, wherein the upper semiconductor layer does not overlap the first gate electrode and the initialization power line.
    Type: Application
    Filed: April 27, 2018
    Publication date: April 18, 2019
    Inventors: Myoung Geun CHA, Sang Gun CHOI, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Joo Hye JUNG