Patents by Inventor Yong Chung

Yong Chung 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: 20210264856
    Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Chong Chul CHAI, Dong Woo KIM, Kyoung Ju SHIN, Bo Yong CHUNG
  • Publication number: 20210256907
    Abstract: A display panel driver drives pixels based on first power having at least three voltage levels, second power having a constant voltage, and third power having two voltage levels. Each pixel includes a first transistor connected between first and second nodes and including a gate electrode to receive a scan signal, a second transistor connected between the second node and a third node in series with the first transistor and including a gate electrode to receive the third power, and a driving transistor connected between a source of the first power and the third node and including a gate electrode connected to the first electrode to control a driving current for an organic light emitting diode. A first capacitor is connected between a source of the third power and the first node, and a second capacitor is connected between the second node and one of the data lines.
    Type: Application
    Filed: May 6, 2021
    Publication date: August 19, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Jun-Hyun PARK, Young-Wan SEO, An-Su LEE, Bo-Yong CHUNG, Kang-Moon JO, Chong-Chul CHAI
  • Patent number: 11076679
    Abstract: A stick type cosmetic container includes: a handle for controlling ascent and descent of the cosmetic substance; an inner container joined between an outer end part and an inner end part of the handle and having a first hollow part disposed therein; an inner member joined between the inner container and the inner end part of the handle to be fixed in location; a holder capable of being lifted up and down inside the inner container along a screw thread part disposed on the inner end part of the handle; and an outer container for covering the inner container, wherein the holder includes a first inner holder and a second inner holder, and a second hollow part disposed inside the first inner holder and the second inner holder to accommodate the residual quantity of the cosmetic substance in the second hollow part.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: August 3, 2021
    Assignee: CTK COSMETICS CO., LTD.
    Inventors: In Yong Chung, Sun Young Choi, In Young Um, Kyung Ho Kang
  • Publication number: 20210219698
    Abstract: A stick type cosmetic container includes: a handle for controlling ascent and descent of the cosmetic substance; an inner container joined between an outer end part and an inner end part of the handle and having a first hollow part disposed therein; an inner member joined between the inner container and the inner end part of the handle to be fixed in location; a holder capable of being lifted up and down inside the inner container along a screw thread part disposed on the inner end part of the handle; and an outer container for covering the inner container, wherein the holder includes a first inner holder and a second inner holder, and a second hollow part disposed inside the first inner holder and the second inner holder to accommodate the residual quantity of the cosmetic substance in the second hollow part.
    Type: Application
    Filed: March 31, 2020
    Publication date: July 22, 2021
    Inventors: In Yong CHUNG, Sun Young CHOI, In Young UM, Kyung Ho KANG
  • Patent number: 11046702
    Abstract: The present disclosure provides a compound of Chemical Formula (1) or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same: wherein X, Z, R1 and R2 are as defined in the specification. The compound of Chemical Formula (1) or pharmaceutically acceptable salt thereof acts as a positive allosteric modulator of metabotropic glutamate receptor subtype 5 (mGluR5), thereby being useful in the prevention or treatment of disorder mediated by glutamate dysfunction and mGluR5.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: June 29, 2021
    Assignee: SK BIOPHARMACEUTICALS CO., LTD.
    Inventors: Chun Eung Park, Young Koo Jang, Yong Je Shin, Ji Yeon Kim, Seung Mo Ham, Yong Gil Kim, Hye Kyung Min, Soo Bong Cha, Hyo Jun Jung, Ju Young Lee, Seung Nam Han, Jin Yong Chung, Eun Ju Choi, Chan Mi Joung, Jong Sil Park, Ji Won Lee, Nahm Ryune Cho, Eun Ju Ryu, Cheol Young Maeng
  • Patent number: 11046742
    Abstract: Provided are a fusion protein having a CCL3 variant with improved in vivo persistency, protein stability and pharmacological activity and a use thereof, more particularly, a fusion protein comprising a CCL3 variant and an immunoglobulin Fc region and a use thereof as a therapeutic agent for lymphopenia, cancer or infection, in which an N-terminal amino acid of a wild-type CCL3? or CCL3? is deleted and an amino acid at a specific position is substituted with a different amino acid at the same position of the wild-type CCL3? or CCL3? in the CCL3 variant.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: June 29, 2021
    Assignee: YUHAN CORPORATION
    Inventors: Su Youn Nam, Jong Gyun Kim, Byung Hyun Choi, June Hyung Lee, Ju Young Park, Jun Kyung Lee, Na Rae Lee, Ki Hong Kim, Seul Gi Kim, Se Woong Oh, Seung Yub Shin, Ho Woong Kang, Su Jin Ahn, Soo Yong Chung
  • Patent number: 11030952
    Abstract: A display panel driver drives pixels based on first power having at least three voltage levels, second power having a constant voltage, and third power having two voltage levels. Each pixel includes a first transistor connected between first and second nodes and including a gate electrode to receive a scan signal, a second transistor connected between the second node and a third node in series with the first transistor and including a gate electrode to receive the third power, and a driving transistor connected between a source of the first power and the third node and including a gate electrode connected to the first electrode to control a driving current for an organic light emitting diode. A first capacitor is connected between a source of the third power and the first node, and a second capacitor is connected between the second node and one of the data lines.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun-Hyun Park, Young-Wan Seo, An-Su Lee, Bo-Yong Chung, Kang-Moon Jo, Chong-Chul Chai
  • Patent number: 11024227
    Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: June 1, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chong Chul Chai, Dong Woo Kim, Kyoung Ju Shin, Bo Yong Chung
  • Patent number: 11017720
    Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chong Chui Chai, Dong Woo Kim, Kyoung Ju Shin, Bo Yong Chung
  • Publication number: 20210139461
    Abstract: The present invention relates to novel mesylate salt of N-(5-(4-(4-((dimethylamino)methyl)-3-phenyl-1H-pyrazol-1-yppyrimidine-2-ylamino)-4-methoxy-2-morpholinophenyl)acrylamide, a novel crystalline form thereof, and a process for preparing the same. More specifically, the present invention relates to mesylate salt of N-(5-(4-(4-((dimethylamino)methyl)-3-phenyl-1H-pyrazol-1-yl)pyrimidine-2-ylamino)-4-methoxy-2-morpholinophenyl)acrylamide, which is excellent in stability, solubility, and bioavailability when it is administered not only alone but also in combination with other drugs and which has a high purity, a crystalline form thereof, and a process for preparing the same.
    Type: Application
    Filed: April 18, 2018
    Publication date: May 13, 2021
    Inventors: Sang Ho OH, Jong Gyun KIM, Se-Woong OH, Tae Dong HAN, Soo Yong CHUNG, Seong Ran LEE, Kyeong Bae KIM, Young Sung LEE, Woo Seob SHIN, Hyun JU, Jeong Ki KANG, Su Min PARK, Dong Kyun KIM
  • Publication number: 20210125560
    Abstract: A pixel circuit includes a first switching element including a control electrode connected to a first node, an input electrode which receives a first power voltage and an output electrode connected to a third node, a second switching element including a control electrode which receives a compensation gate signal, an input electrode connected to a second node and an output electrode connected to the third node, a third switching element including a control electrode which receives a write gate signal, an input electrode connected to the first node and an output electrode connected to the second node, a storage capacitor including a first electrode which receives an initialization voltage and a second electrode connected to the first node, a program capacitor which receives a data voltage and connected to the second node, and an organic light emitting element connected to the third node and which receives a second power voltage.
    Type: Application
    Filed: October 5, 2020
    Publication date: April 29, 2021
    Inventors: Jun Hyun PARK, Chong Chul CHAI, Young Wan SEO, An Su LEE, Bo Yong CHUNG, Kang Moon JO
  • Publication number: 20210113514
    Abstract: The present disclosure provides a compound represented by Formula (I) and a pharmaceutically acceptable salt which are effective as a dopamine reuptake inhibitor and a method of using the compound: wherein X is independently halo, alkyl, alkoxy or nitro; m is 0, 1, 2, 3 or 4; n is 1 or 2; R1 and R2 are independently H— or alkyl; R3 is H—, alkyl or aralkyl; and R4 is H— or aryl.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Inventors: Young-Soon KANG, Jin-Yong CHUNG, Cheol-Young MAENG, Han-Ju YI, Ki-Ho LEE, Joon HEO, Eun-Hee CHAE, Yu-Jin SHIN
  • Publication number: 20210104197
    Abstract: A scan driver for a display device includes a plurality of stages outputting scan signals. A first stage of the plurality of stages includes first to sixth transistors connected to a first carry clock line, a carry line, a previous carry line, and a second carry clock line. In a first frame period, the second carry clock line is configured to receive a second carry clock signal having at least one pulse with substantially the same phase as at least one of first pulses of a first carry clock signal to be applied to the first carry clock line.
    Type: Application
    Filed: October 7, 2020
    Publication date: April 8, 2021
    Inventors: Yang Hwa CHOI, Bo Yong CHUNG, Tak Young LEE, Sang Uk LIM
  • Patent number: 10969830
    Abstract: A flexible display device according to example embodiments includes a rollable display panel, a housing accommodating the rollable display panel in a rolled state and including an opening portion through which the rollable display panel is pulled out, an optical sensor disposed at the opening portion and configured to detect luminance of the rollable display panel while the rollable display panel is rolled or unrolled, a controller configured to compensate image data based on detection data generated by the optical sensor, and a display panel driver configured to control a display of rollable display panel.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: April 6, 2021
    Inventors: Hai-Jung In, Bo-Yong Chung
  • Patent number: 10964267
    Abstract: A pixel includes first, second, and third transistors, first and second capacitors, and an organic light emitting diode. The first transistor has a gate electrode connected to a first node, a first electrode that receives a first power voltage, and a second electrode connected to a second node. The second transistor has a gate electrode that receives a scan signal, a first electrode connected to the first node, and a second electrode connected to a third node. The third transistor has a gate electrode that receives a common control signal, a first electrode connected to the third node, and a second electrode connected to the second node. The organic light emitting diode has a first electrode connected to the second node and a second electrode that receives a second power voltage.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun-Hyun Park, Young-Wan Seo, An-Su Lee, Bo-Yong Chung, Kang-Moon Jo, Chong-Chul Chai
  • Patent number: 10957253
    Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: March 23, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chong Chui Chai, Dong Woo Kim, Kyoung Ju Shin, Bo Yong Chung
  • Publication number: 20210074220
    Abstract: A scan driver including a plurality of scan stages. A first scan stage among the plurality of scan stages includes first-to-sixth transistors and a first capacitor. The first transistor is connected to a first Q node, a first scan clock line, and a first scan line. A second transistor is connected to a first scan carry line and the first Q node. A third transistor is connected to a first sensing carry line and a second sensing carry line. A fourth transistor is connected to a first control line and the third transistor. A fifth transistor is connected to the fourth transistor, a second control line, and a first node. A first capacitor is connected to the fifth transistor. A sixth transistor is connected to a third control line, the first node, and the first Q node.
    Type: Application
    Filed: June 16, 2020
    Publication date: March 11, 2021
    Inventors: Jong Hee KIM, Tak Young LEE, Bo Yong CHUNG, Yang Hwa CHOI
  • Publication number: 20210065617
    Abstract: A scan driver includes a first transistor including gate, first, and second electrodes coupled to a Q node, a scan clock line, and a scan line. A second transistor includes gate and first electrodes coupled to a scan carry line, and a second electrode coupled to the Q node. A third transistor includes gate and first electrodes coupled to a first control line and a sensing carry line. A fourth transistor includes a gate and first electrode coupled to the sensing carry line and the third transistor first electrode. A fifth transistor includes gate, first, and second electrodes coupled to a fourth transistor second electrode, a second control line, and a node. A capacitor includes first and second electrodes coupled to the fifth transistor first and gate electrodes. A sixth transistor includes gate, first, and second electrodes coupled to a third control line, the node, and the Q node.
    Type: Application
    Filed: July 28, 2020
    Publication date: March 4, 2021
    Inventors: Yang Hwa Choi, Bo Yong Chung
  • Patent number: 10937371
    Abstract: A scan driver includes circuit stages each including a first input part to transfer a signal of a first node to a first output part having a second node in response to a first clock signal, a second input part to transfer a carry signal to the first node in response to a second clock signal that is different from the first clock signal, a holding part to maintain a signal of the second node, the first output part to transfer a third clock signal that is different from the first and second clock signals to an output terminal in response to the signal of the second node, a second output part to transfer the first clock signal to the output terminal in response to a signal of a third node, and a simultaneous driving part to turn off the second output part in response to the third clock signal.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: March 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo Yong Chung, Dongwoo Kim, Yeonkyung Kim, Chong Chul Chai
  • Patent number: D919890
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: May 18, 2021
    Assignee: CTK COSMETICS CO., LTD.
    Inventors: In Yong Chung, Sun Young Choi, Jae Hui Lee, In Young Um