Patents by Inventor Chul Hwan Lee

Chul Hwan 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).

  • Patent number: 11969397
    Abstract: The present invention relates to a composition for preventing or treating transplantation rejection or a transplantation rejection disease, comprising a novel compound and a calcineurin inhibitor. A co-administration of the present invention 1) reduces the activity of pathogenic Th1 cells or Th17 cells, 2) increases the activity of Treg cells, 3) has an inhibitory effect against side effects, such as tissue damage, occurring in the sole administration thereof, 4) inhibits various pathogenic pathways, 5) inhibits the cell death of inflammatory cells, and 6) increases the activity of mitochondria, in an in vivo or in vitro allogenic model, a transplantation rejection disease model, a skin transplantation model, and a liver-transplanted patient, and thus inhibits transplantation rejection along with mitigating side effects possibly occurring in the administration of a conventional immunosuppressant alone.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: April 30, 2024
    Assignee: THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Mi-La Cho, Dong-Yun Shin, Jong-Young Choi, Chul-Woo Yang, Sung-Hwan Park, Seon-Yeong Lee, Min-Jung Park, Joo-Yeon Jhun, Se-Young Kim, Hyeon-Beom Seo, Jae-Yoon Ryu, Keun-Hyung Cho
  • Patent number: 11967269
    Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: April 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul Kyu Kang, Sung Hwan Kim, Soo Hee Oh, Dong Sun Lee, Sang Moo Choi
  • Patent number: 11928363
    Abstract: A method of operating a host device to control a storage device which includes a register is provided. The method includes: providing the storage device with a partial array refresh setting indicating a non-masking segment among a masking segment and the non-masking segment; providing a refresh command to the storage device; and providing a write command for the masking segment to the storage device to control the storage device to store data while a partial array refresh is performed in the storage device based on the refresh command.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Ha Hwang, Chul-Hwan Choo, Gye Sik Oh, Young Bin Lee, Sung Won Jo
  • Publication number: 20200302108
    Abstract: A method is provided including: displaying a first content; detecting, by an electronic device, an output condition; and in response to the output condition, outputting, by the electronic device, a second content that that is associated with the first content. Furthermore, an electronic device is provided including: a memory configured to store content; and a processor configured to: display a first content; detect, by an electronic device, an output condition; and in response to the output condition, output a second content that that is associated with the first content.
    Type: Application
    Filed: June 10, 2020
    Publication date: September 24, 2020
    Inventors: Ji Hyun KIM, Jung Sic SUNG, Chul Hwan LEE, Jeong Hun KIM, Ji Hea PARK, Se Jun SONG, Yo Han LEE, Young Keun CHOI
  • Patent number: 10445485
    Abstract: An apparatus and method for controlling lock-screen output are provided. The electronic device includes a touch screen display, a processor electrically connected to the display, and a memory electrically connected to the processor. The memory stores instructions that, when executed, cause the processor to display a first screen comprising sets of objects to the display, configure, in response to a first touch input for selecting an object displayed on the first screen, at least one object included in a set of objects related to the selected object as at least one lock object for releasing a lock screen, and display a second screen configured with the at least one lock object. In addition, various embodiments identified in the specification are enabled.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: October 15, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul Hwan Lee, Yong Joon Jeon, Geon Soo Kim, Doo Suk Kang, Sung Hyuk Shin
  • Patent number: 10366519
    Abstract: An electronic device is provided. The electronic device includes a display outputting a screen, a processor electrically connected to the display, and a memory electrically connected to the processor and configured to store at least one image and instructions. The instructions are configured to, when executed by the processor, cause the processor control the display to display a candidate image having a first size and including at least a portion of the stored at least one image, and control the display to display a recommendation object having a second size smaller than the first size and corresponding to a portion of the candidate image on the screen together with the candidate image.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: July 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul Hwan Lee, Chang Ho Lee, Yong Joon Jeon, Min Kyung Hwang, Sung Hyuk Shin
  • Patent number: 10073595
    Abstract: An apparatus and method support intuitive gestures for turning electronic book (e-book) pages in a portable terminal. The portable terminal executes an e-book and determines whether a just preceding page gesture is input, the just preceding page gesture comprising a first contact that starts to the left of a right-side user interface (UI) activation region of the e-book, followed by a drag toward the right while maintaining the first contact and releasing the first contact. When the just preceding page gesture is input, the just preceding page is displayed on a screen.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: September 11, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min Lee, Dal-Kwang Lee, Chul-Hwan Lee
  • Patent number: 10055813
    Abstract: An electronic device including a cover having a display protection function and a method thereof are provided. The method includes acquiring at least one of context information and attribute information of an application according to whether the cover is closed and displaying an object related to the acquired information on a region which is included or is not included in a region corresponding to the cover window of a display of the electronic device.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: August 21, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo-Yong Lee, Chul-Hwan Lee, Seong-Joon Jeon
  • Patent number: 9641145
    Abstract: An apparatus and method for outputting audio signals of a portable communication device are provided. The apparatus includes a plurality of audio tables including different volume control values or tone control values, and allows a user to selectively set audio tables corresponding to each of audio paths equipped with the portable communication device. Further, the apparatus analyzes a surrounding environment during a voice call, determines the absence or presence of noise, and suitably controls a volume or a tone of audio signals based on the result of the determination before outputting the audio signals. Accordingly, the apparatus can provide an improved calling condition in various calling environments.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: May 2, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yang-Su Kim, Chul-Hwan Lee, Mi-Hyang Kim, Jun-Tai Kim, Nam-Ii Lee, Yong-Hoon Lee
  • Patent number: 9640192
    Abstract: An electronic device is provided. The electronic device includes a reception unit configured to receive an audio signal, a bandwidth change unit configured to gradually change a bandwidth of the received audio signal from a first bandwidth to a second bandwidth during a preset time, when the received audio signal is changed, and an audio output unit configured to output the received audio signal.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: May 2, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Beak Kwon Son, Jun Tai Kim, Chul Hwan Lee, Jae Goo Choi, Nam Il Lee, Chul Min Choi, Gang Youl Kim, Mi Hyang Kim, Eui Soon Park, Ho Chul Hwang
  • Publication number: 20160364564
    Abstract: An apparatus and method for controlling lock-screen output are provided. The electronic device includes a touch screen display, a processor electrically connected to the display, and a memory electrically connected to the processor. The memory stores instructions that, when executed, cause the processor to display a first screen comprising sets of objects to the display, configure, in response to a first touch input for selecting an object displayed on the first screen, at least one object included in a set of objects related to the selected object as at least one lock object for releasing a lock screen, and display a second screen configured with the at least one lock object. In addition, various embodiments identified in the specification are enabled.
    Type: Application
    Filed: June 9, 2016
    Publication date: December 15, 2016
    Inventors: Chul Hwan LEE, Yong Joon JEON, Geon Soo KIM, Doo Suk KANG, Sung Hyuk SHIN
  • Publication number: 20160357406
    Abstract: An electronic device is provided. The electronic device includes a display outputting a screen, a processor electrically connected to the display, and a memory electrically connected to the processor and configured to store at least one image and instructions. The instructions are configured to, when executed by the processor, cause the processor control the display to display a candidate image having a first size and including at least a portion of the stored at least one image, and control the display to display a recommendation object having a second size smaller than the first size and corresponding to a portion of the candidate image on the screen together with the candidate image.
    Type: Application
    Filed: June 3, 2016
    Publication date: December 8, 2016
    Inventors: Chul Hwan LEE, Chang Ho LEE, Yong Joon JEON, Min Kyung HWANG, Sung Hyuk SHIN
  • Publication number: 20160350409
    Abstract: An electronic device is provided. The electronic device includes a communication module that sends conversation information between users of the electronic device and an external electronic device to a management server if the conversation is obtained and receives a keyword extracted using the conversation information from the management server. The electronic device further includes a control module that controls to search for information using the keyword and send a portion of the found information to the external electronic device, and a display that displays the found information.
    Type: Application
    Filed: May 31, 2016
    Publication date: December 1, 2016
    Inventors: Sung Wan YOUN, Kyung Tae KIM, Sung Woon JANG, Sang Wook SHIN, Cheol Ho CHEONG, Sang Ki KANG, Chul Hwan LEE
  • Patent number: 9465474
    Abstract: An apparatus and method for determining a key input in computing equipment having a touch screen are provided. The method for determining the key input in the computing equipment includes, upon occurrence of a touch input on the touch screen, determining an input type of the touch input, expanding a key input recognition region of at least one key when the input type is a finger touch input, and detecting the key input according to the expanded key input recognition region.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: October 11, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ra-Mi Jung, Jin-Woo Jung, Chul-Hwan Lee
  • Publication number: 20150293592
    Abstract: An electronic device is provided. The electronic device includes a haptic support module configured to perform at least one of a screen information analysis, an input information analysis, and an execution information analysis, and to allocate haptic information according to the analysis result, and a haptic module configured to output a haptic feedback corresponding to the haptic information.
    Type: Application
    Filed: April 14, 2015
    Publication date: October 15, 2015
    Inventors: Cheol Ho CHEONG, Chul Hwan LEE, Byoung Tack ROH, Jae Yung YEO, Yo Ywang IM
  • Publication number: 20150278165
    Abstract: A method is provided including: displaying a first content; detecting, by an electronic device, an output condition; and in response to the output condition, outputting, by the electronic device, a second content that that is associated with the first content. Furthermore, an electronic device is provided including: a memory configured to store content; and a processor configured to: display a first content; detect, by an electronic device, an output condition; and in response to the output condition, output a second content that that is associated with the first content.
    Type: Application
    Filed: April 1, 2015
    Publication date: October 1, 2015
    Inventors: Ji Hyun KIM, Jung Sic SUNG, Chul Hwan LEE, Jeong Hun KIM, Ji Hea PARK, Se Jun SONG, Yo Han LEE, Young Keun CHOI
  • Patent number: 9116557
    Abstract: An apparatus and method for supporting an eraser function of a digitizer pen in a digitizer system are provided. The method includes, if it is recognized that an eraser part of the digitizer pen gets contact on a reception device, determining a pressure of the eraser part contacting on a surface of the reception device and, according to the determined pressure, changing a frequency transmitted to the reception device.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: August 25, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Min Lee, Chul-Hwan Lee, Gi-Tae Mun
  • Publication number: 20150235644
    Abstract: An electronic device is provided. The electronic device includes a reception unit configured to receive an audio signal, a bandwidth change unit configured to gradually change a bandwidth of the received audio signal from a first bandwidth to a second bandwidth during a preset time, when the received audio signal is changed, and an audio output unit configured to output the received audio signal.
    Type: Application
    Filed: February 19, 2015
    Publication date: August 20, 2015
    Inventors: Beak Kwon SON, Jun Tai KIM, Chul Hwan LEE, Jae Goo CHOI, Nam Il LEE, Chul Min CHOI, Gang Youl KIM, Mi Hyang KIM, Eui Soon PARK, Ho Chul HWANG
  • Patent number: 9053463
    Abstract: Provided is an apparatus and method for pushing an e-mail to a portable terminal in an e-mail system. In an e-mail system for pushing an e-mail, an e-mail agent checks reception of a new e-mail, receives and stores the new e-mail, and generates a mail notification message, a message server receives the mail notification message and transmits it to an e-mail client, the e-mail client generates a mail request message and transmits it to the e-mail agent.
    Type: Grant
    Filed: April 9, 2008
    Date of Patent: June 9, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul-Hwan Lee, Youn-Taek Oh
  • Patent number: 9014672
    Abstract: Provided is an apparatus and method for e-mail polling in a portable terminal. In the e-mail polling method, a state of the portable terminal is detected after a predetermined time period of a first timer expires in an idle state after a periodical e-mail polling mode is set in the portable terminal. E-mail polling is performed according to the detected state of the portable terminal. The state of the portable terminal is changed into an idle state after the performance of the e-mail polling.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: April 21, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Chul-Hwan Lee, Youn-Taek Oh