Patents by Inventor Sung-Hee Cho

Sung-Hee Cho 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: 12227478
    Abstract: Provided are a 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: Grant
    Filed: April 3, 2020
    Date of Patent: February 18, 2025
    Assignee: 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: 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
  • Patent number: 9543394
    Abstract: A quantum rod includes a core of ZnS semiconductor particle having a rod shape; and a transition metal with which the core is doped and which is biased at one side of a length direction of the core.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: January 10, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Kyung-Seok Jeong, Gee-Sung Chae, Jin-Wuk Kim, Sung-Hee Cho
  • Patent number: 9513802
    Abstract: A method for displaying a user interface (UI) of a display apparatus on a remote control and a remote control applying the same are provided. The remote control includes a controlling unit which identifies information regarding a UI where a cursor is located on a screen of the display apparatus, and a display unit, such as a touch screen, which displays an image corresponding to the identified UI information. Accordingly, a user may remotely control the display apparatus more intuitively and delicately using the touch screen display unit on the remote control.
    Type: Grant
    Filed: September 24, 2011
    Date of Patent: December 6, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ju-yun Jang, Sung-Hee Cho
  • Publication number: 20160313879
    Abstract: A display device and a method for controlling the same for intuitively informing a user of motion of an input device when a cursor is not displayed by providing visual feedback in a region of a display item corresponding to the motion of the input device.
    Type: Application
    Filed: June 30, 2016
    Publication date: October 27, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-jin KIM, Jong-bo MOON, Do-sung JUNG, Sung-Hee CHO, Yun-hee CHOI, Je-sun HWANG
  • Publication number: 20160087047
    Abstract: A quantum rod includes a core of ZnS semiconductor particle having a rod shape; and a transition metal with which the core is doped and which is biased at one side of a length direction of the core.
    Type: Application
    Filed: November 20, 2015
    Publication date: March 24, 2016
    Inventors: Kyung-Seok Jeong, Gee-Sung Chae, Jin-Wuk Kim, Sung-Hee Cho
  • Patent number: 9224920
    Abstract: A quantum rod includes a core of ZnS semiconductor particle having a rod shape; and a transition metal with which the core is doped and which is biased at one side of a length direction of the core.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: December 29, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyung-Seok Jeong, Gee-Sung Chae, Jin-Wuk Kim, Sung-hee Cho
  • Patent number: 9164353
    Abstract: A quantum rod light-emitting display device according to an embodiment of the invention includes a display panel including a first substrate, a second substrate opposite to the first substrate, and a quantum rod layer formed between the first substrate and the second substrate, wherein a plurality of quantum rods are arranged in the quantum rod layer in one direction; and a polarizer disposed on the display panel and including a quarter wave plate (QWP) layer and a polyvinyl alcohol (PVA) layer, wherein the PVA layer transmits only light linearly polarized in a first direction, and wherein the QWP layer is disposed under the PVA layer, and the QWP layer circularly polarizes the light linearly polarized in the first direction or linearly polarizes light reflected by the display panel in a second direction.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: October 20, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Il Jeon, Kyung-Chan Kim, Joong-Pill Park, Moon-Bae Gee, Sung-Hee Cho, Kyung-Kook Jang, Kyung-Seok Jeong
  • Patent number: 9146420
    Abstract: A liquid crystal display (LCD) device according to an embodiment includes a liquid crystal panel; a first polarization plate on the liquid crystal panel; a backlight unit under the liquid crystal panel; and a quantum rod sheet disposed between the liquid crystal panel and the backlight unit.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: September 29, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Moon-Bae Gee, Jeong-Ae Lee, Kyung-Chan Kim, Kyung-Hoon Lee, Kyung-Jin Yoon, Joong-Pill Park, Sung-Hee Cho, Hyo-Jin Noh, Kyung-Kook Jang, Kyung-Seok Jeong
  • Patent number: 9104062
    Abstract: A liquid crystal display (LCD) device includes a first substrate; a second substrate; a liquid crystal layer disposed between the first and second substrates; a color filter on one of the first and second substrates; a first polarization plate under the first substrate; a second polarization plate over the second substrate; a backlight unit under the first polarization plate; and a quantum rod sheet disposed between the color filter and the second polarization plate.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: August 11, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyung-Chan Kim, Gee-Sung Chae, Soon-Wook Cha, Kyung-Hoon Lee, Joong-Pill Park, Moon-Bae Gee, Sung-hee Cho, Kyung-Kook Jang, Kyung-Seok Jeong
  • Publication number: 20150012617
    Abstract: A remote user interface (RUI) system is provided. The RUI system includes: a first device; a second device configured to call a common application program interface (API) to request a RUI service from a first device; and the first device being configured to process the called common API in response to the request to provide the RUI service to the second device.
    Type: Application
    Filed: February 5, 2014
    Publication date: January 8, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se-dong PARK, Dai-boong LEE, Sung-hee CHO
  • Publication number: 20150012585
    Abstract: A method for providing an RUI service is provided. The method includes: providing an RUI service to a plurality of RUI terminal apparatuses; detecting resource are scarce in response to an RUI service request received from a new RUI terminal apparatus; and displaying a resource scarcity message and transmitting the resource scarcity message to at least one RUI terminal apparatus from among the plurality of RUI terminal apparatuses and the new RUI terminal apparatus in response to the detecting resources are scarce.
    Type: Application
    Filed: June 24, 2014
    Publication date: January 8, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se-dong PARK, Dai-boong LEE, Sung-gyo LEE, Sung-Hee CHO
  • Patent number: 8902384
    Abstract: A quantum rod light-emitting display device according to an embodiment of the invention includes a display panel including a first substrate, a second substrate opposite to the first substrate, and a quantum rod layer disposed between the first substrate and the second substrate, wherein quantum rods in the quantum rod layer are arranged in one direction; a backlight unit provided under the display panel and configured to provide light to the display panel; and a short-wavelength pass filter film formed between the display panel and the backlight unit, and configured to transmit the light having a predetermined wavelength range.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: December 2, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Il Jeon, Kyung-Chan Kim, Joong-Pill Park, Moon-Bae Gee, Sung-Hee Cho, Kyung-Kook Jang, Kyung-Seok Jeong
  • Patent number: 8847981
    Abstract: A method and apparatus for accumulative vector drawing are provided. The method includes receiving a graphics command, accumulating the graphics command, and rendering the graphics command in an order reverse to an order in which the graphics command was stored, and when the graphics command is a valid definite drawing command, calculating a clipping area of the valid definite drawing command and reflecting the clipping area when rendering graphics commands rendered after the valid definite drawing command.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: September 30, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Sung-hee Cho
  • Publication number: 20140145144
    Abstract: A quantum rod includes a core of ZnS semiconductor particle having a rod shape; and a transition metal with which the core is doped and which is biased at one side of a length direction of the core.
    Type: Application
    Filed: November 20, 2013
    Publication date: May 29, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Kyung-Seok Jeong, Gee-Sung Chae, Jin-Wuk Kim, Sung-hee Cho
  • Publication number: 20140016296
    Abstract: A quantum rod light-emitting display device according to an embodiment of the invention includes a display panel including a first substrate, a second substrate opposite to the first substrate, and a quantum rod layer formed between the first substrate and the second substrate, wherein a plurality of quantum rods are arranged in the quantum rod layer in one direction; and a polarizer disposed on the display panel and including a quarter wave plate (QWP) layer and a polyvinyl alcohol (PVA) layer, wherein the PVA layer transmits only light linearly polarized in a first direction, and wherein the QWP layer is disposed under the PVA layer, and the QWP layer circularly polarizes the light linearly polarized in the first direction or linearly polarizes light reflected by the display panel in a second direction.
    Type: Application
    Filed: October 12, 2012
    Publication date: January 16, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Il JEON, Kyung-Chan KIM, Joong-Pill PARK, Moon-Bae GEE, Sung-Hee CHO, Kyung-Kook JANG, Kyung-Seok JEONG
  • Publication number: 20130341588
    Abstract: A quantum rod light-emitting display device according to an embodiment of the invention includes a display panel including a first substrate, a second substrate opposite to the first substrate, and a quantum rod layer disposed between the first substrate and the second substrate, wherein quantum rods in the quantum rod layer are arranged in one direction; a backlight unit provided under the display panel and configured to provide light to the display panel; and a short-wavelength pass filter film formed between the display panel and the backlight unit, and configured to transmit the light having a predetermined wavelength range.
    Type: Application
    Filed: October 12, 2012
    Publication date: December 26, 2013
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Il JEON, Kyung-Chan KIM, Joong-Pill PARK, Moon-Bae GEE, Sung-Hee CHO, Kyung-Kook JANG, Kyung-Seok JEONG
  • Patent number: 8593898
    Abstract: An electronic device includes a functional unit and a current compensation unit. The functional unit operates based on a power supplied by an external host through power supply lines and generates a control signal based on an amount of power consumption of the functional unit. The current compensation unit compensates a change in a power supply current based on the control signal, where the power supply current is a current flowing through the power supply lines.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: November 26, 2013
    Assignee: SAMSUNG Electronics Co., Ltd.
    Inventors: Seung-Won Lee, Sung-Hee Cho
  • Patent number: 8482199
    Abstract: A plasma display panel (PDP) comprises: a front substrate and a rear substrate which face each other; and a barrier wall which is interposed between the front substrate and the rear substrate, which includes base portions arranged on either side of a main discharge space, and protruding portions protruding on the base portions, respectively, and which defines stepped spaces on either side of the main discharge space. The stepped spaces are formed according to stepped surfaces formed by the base portions and the protruding portions. The PDP further comprises a pair of a scan electrode and a sustain electrode which generate a mutual discharge through the main discharge space. A channel space is defined by outer walls of the protruding portions on either side of the main discharge space, and an external light absorbing layer covers the channel space.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: July 9, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Eui-Jeong Hwang, Hyoung-Bin Park, Sang-Ho Jeon, Seung-Hyun Son, Hyun-Chul Kim, Hyeon-Seok Kim, Bok-Chun Yun, Sil-Keun Jeong, Jung-Min Kim, Sung-Hyun Choi, Sang-Hyuck Ahn, Sung-Hee Cho, Gi-Young Kim, Myoung-Sup Kim, Hye-Jung Lee
  • Publication number: 20130135558
    Abstract: A liquid crystal display (LCD) device includes a first substrate; a second substrate; a liquid crystal layer disposed between the first and second substrates; a color filter on one of the first and second substrates; a first polarization plate under the first substrate; a second polarization plate over the second substrate; a backlight unit under the first polarization plate; and a quantum rod sheet disposed between the color filter and the second polarization plate.
    Type: Application
    Filed: April 25, 2012
    Publication date: May 30, 2013
    Inventors: Kyung-Chan KIM, Gee-Sung CHAE, Soon-Wook CHA, Kyung-Hoon LEE, Joong-Pill PARK, Moon-Bae GEE, Sung-hee CHO, Kyung-Kook JANG, Kyung-Seok JEONG