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).

  • Patent number: 10242626
    Abstract: A stage includes an output unit configured to supply a scan signal to an output terminal according to voltages of first and second nodes; a first driver configured to control the voltages of the first and second nodes so that when a start signal or an output signal of a previous stage is supplied to a first input terminal, the scan signal is supplied from the output unit; and a second driver configured to control the voltages of the first and second nodes, corresponding to signals supplied to a second input terminal, a fourth input terminal and a fifth input terminal, wherein the second driver comprises eighth and ninth transistors coupled in series between the output terminal and the second node, and wherein a gate electrode of the eighth transistor is coupled to the first node, and a gate electrode of the ninth transistor is coupled to the fourth input terminal.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: March 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hae-Yeon Lee, Yong-Jae Kim, Bo-Yong Chung
  • Patent number: 10235926
    Abstract: A scanline driver and a display device including the same are disclosed. In one aspect, the scanline driver includes a driving circuit configured to provide a first driving signal to a first driving node and a second driving signal to a second driving node based on a scan input signal and a plurality of clock signals. The driving circuit includes a plurality of driving transistors and a plurality of reset transistors. The scanline driver also includes a buffer circuit configured to generate a scan output signal based on the first and second driving signals. The buffer circuit includes a plurality of buffer transistors. Each of the driving transistors and the buffer transistors includes a floating gate transistor which includes a floating gate configured to transfer a voltage corresponding to a second logic low level lower than a first logic low level.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: March 19, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hai-Jung In, Bo-Yong Chung
  • Publication number: 20190057744
    Abstract: The invention is directed to an electronic device. A memory device having improved reliability according to an embodiment includes a memory cell array including a plurality of memory cells, a peripheral circuit performing a program operation on selected memory cells, among the plurality of memory cells, and a control logic controlling the peripheral circuit to perform an additional program operation on memory cells corresponding to a deep erased state where the memory cells has a threshold voltage having a lower voltage level than a threshold voltage of an erase state, among the selected memory cells, after the program operation is completed.
    Type: Application
    Filed: March 20, 2018
    Publication date: February 21, 2019
    Inventors: Hee Youl LEE, Kyoung Cheol KWON, Dong Hun LEE, Min Kyu JEONG, Sung Yong CHUNG
  • Patent number: 10206480
    Abstract: There are provided a porous pad for the impregnation of a liquid cosmetic composition and a liquid-cosmetic-composition impregnating method using such a porous pad. The porous pad includes a first porous pad layer and a second porous pad layer. An injection hole is formed in the first porous pad layer for the injection of the liquid cosmetic composition. The second porous pad layer is disposed under the first porous pad layer, and has a dispersion hole for the dispersion of the liquid cosmetic composition that is injected through the injection hole, and one or more main storage holes that are radially arranged around the periphery of the dispersion hole.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: February 19, 2019
    Assignees: CTK CO., LTD.
    Inventors: Jin Woo Kim, In Yong Chung
  • Patent number: 10199450
    Abstract: A static electricity prevention circuit of a display device including: a driving circuit configured to drive a display unit that displays an image, at least one clock signal wire configured to transmit a clock signal to the driving circuit, at least one transistor electrically coupled to the clock signal wire, and at least one capacitor including a first electrode coupled to a source electrode and to a drain electrode of the transistor, and a second electrode configured to be maintained at a voltage.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: February 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Jae Kim, Bo-Yong Chung, Hae-Yeon Lee
  • Patent number: 10198998
    Abstract: There is provided a gate driver including a plurality of gate sub-drivers electrically connected to a plurality of gate lines, wherein an (n)th gate sub-driver, of the gate sub-drivers includes a shift register configured to receive an (n?1)th carry signal from an (n?1)th gate sub-driver of the gate sub-drivers adjacent to the (n)th gate sub-driver, to synchronize the (n?1)th carry signal with a first clock signal, and to output an (n)th carry signal based on the synchronized (n?1)th carry signal, and a mask configured to output a gate signal based on the synchronized (n?1)th carry signal and a mask signal, wherein n is an integer greater than or equal to 2.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: February 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hai-Jung In, Bo-Yong Chung
  • Publication number: 20190029393
    Abstract: The present invention relates to a folder type cosmetic container that can reduce waste of content in the container by dispensing a predetermined amount of the content when the content is pressed by a pressing-dispensing member, so it can be conveniently used. Further, the folder type cosmetic container can improve productivity, reduce the manufacturing cost, and improve convenience in use by employing a simple structure for dispensing a predetermined amount of content.
    Type: Application
    Filed: December 15, 2017
    Publication date: January 31, 2019
    Applicant: CTK COSMETICS CO., LTD.
    Inventors: In Yong CHUNG, Won Geun GO, Choung Gil OK, Jae Hui LEE
  • Publication number: 20190031669
    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: Application
    Filed: September 28, 2018
    Publication date: January 31, 2019
    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: 10192491
    Abstract: A data driver capable of displaying images with a substantially uniform brightness, an organic light emitting display device using the same, and a method of driving the organic light emitting display device. The data driver includes a plurality of current sink units for controlling predetermined currents to flow through data lines, a plurality of voltage generators for resetting values of gray scale voltages using compensation voltages generated when the predetermined currents flow, a plurality of digital-to-analog converters for selecting one gray scale voltage among the gray scale voltages as a data signal in response to bit values of the data supplied from the outside, and a plurality of switching units for supplying the data signal to the data lines. The predetermined currents may be set equal to pixel currents that correspond to a maximum brightness.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: January 29, 2019
    Assignees: Samsung Display Co., Ltd., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Do Hyung Ryu, Bo Yong Chung, Hong Kwon Kim, Oh Kyong Kwon
  • Publication number: 20190019590
    Abstract: The present invention relates to a volume reduction treatment method of a spent uranium catalyst. According to the volume reduction treatment method of a spent uranium catalyst of the present invention, the disposal cost of the spent uranium catalyst can be reduced and the utilization of the repository can be improved since the method can significantly reduce the volume of the final disposal waste of the spent uranium catalyst.
    Type: Application
    Filed: April 23, 2018
    Publication date: January 17, 2019
    Applicant: Korea Atomic Energy Research Institute
    Inventors: Kwang-Wook KIM, Keun-Young LEE, Byung-Gil AHN, Dong Yong CHUNG, Bum Kyoung SEO
  • Patent number: 10161040
    Abstract: A showerhead is provided. The showerhead includes a body and a plurality of first dispersion pins. The body has one side having a plurality of injection holes penetrated therethrough and the other side facing the one side. The plurality of first dispersion pins protruding from the plurality of spray holes of the one side to the other side such that end portions thereof support the other side. The first dispersion holes have first gas inlet holes on one side and first passages connected to the first gas inlet holes therein. Gas introduced between the one side and the other side is immediately discharged to the outside of the body through the plurality of spray holes by passing the first gas inlet holes and the first passages.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: December 25, 2018
    Assignee: Korea Institute of Industrial Technology
    Inventors: Chul Soo Byun, Il Yong Chung
  • Patent number: 10157691
    Abstract: [A] method and an apparatus for the treatment of waste ion exchange resins containing radionuclides, and further relating to a method for the treatment of waste ion exchange resins containing radionuclides by the stepwise heat treatment and an apparatus to accomplish the method.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: December 18, 2018
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Hee-Chul Yang, Min-Hoon Baik, Hyung-Ju Kim, Dong Yong Chung, Jong-Won Choi
  • Publication number: 20180342573
    Abstract: A static electricity prevention circuit of a display device including: a driving circuit configured to drive a display unit that displays an image, at least one clock signal wire configured to transmit a clock signal to the driving circuit, at least one transistor electrically coupled to the clock signal wire, and at least one capacitor including a first electrode coupled to a source electrode and to a drain electrode of the transistor, and a second electrode configured to be maintained at a voltage.
    Type: Application
    Filed: July 16, 2018
    Publication date: November 29, 2018
    Inventors: Yong-Jae Kim, Bo-Yong Chung, Hae-Yeon Lee
  • Patent number: 10100057
    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: July 31, 2017
    Date of Patent: October 16, 2018
    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: 10102803
    Abstract: A display apparatus includes a plurality of pixels. Each pixel includes a first capacitor connected between a first voltage line receiving a driving signal and a first node; a first transistor comprising a control electrode connected to the first node, a first electrode connected to a second voltage line receiving a first power source signal, and a second electrode connected to a second node; an organic light emitting diode comprising an anode electrode connected to the second node and a cathode electrode receiving a second power source signal; a second capacitor connected between an m-th data line and the second node; a second transistor comprising a control electrode connected to an n-th gate line, a first electrode connected to the first node, and a second electrode connected to the second node; and a third transistor comprising a control electrode connected to an n-th scan line, a first electrode connected to the first voltage line, and a second electrode connected to the second node.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: October 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Hyun Park, An-Su Lee, Bo-Yong Chung, Chong-Chul Chai
  • Publication number: 20180226023
    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: January 5, 2018
    Publication date: August 9, 2018
    Inventors: Jun-Hyun PARK, Young-Wan SEO, An-Su LEE, Bo-Yong CHUNG, Kang-Moon JO, Chong-Chul CHAI
  • Publication number: 20180226029
    Abstract: A pixel includes first to fourth transistors and a driving transistor. The first transistor is connected between a data line and a first node and has a gate electrode to receive a scan signal. The driving transistor is connected between the first node and a second node and has a gate electrode connected to a third node. The second transistor is connected between the second and third nodes and has a gate electrode to receive the scan signal. The third transistor is connected between first power and the first node and has a gate electrode to receive an emission signal. The fourth transistor is connected between the first and second nodes and has a gate electrode to receive an initialization signal. An organic light emitting diode is connected between the second node and second power. A storage capacitor is connected between the first power and third node.
    Type: Application
    Filed: September 6, 2017
    Publication date: August 9, 2018
    Inventors: Jun-Hyun PARK, An-Su LEE, Ji-Hye LEE, Bo-Yong CHUNG, Kang-Moon JO, Chong-Chul CHAI
  • Publication number: 20180226028
    Abstract: A pixel for a display panel includes first and second 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 connected to a first power source, and a second electrode connected to a second node. The second transistor has a gate electrode connected to a scan line, a first electrode connected to the first 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 connected to a second power source. The first capacitor has a first electrode connected to a third power source and a second electrode connected to the first node. The second capacitor has a first electrode connected to a data line and a second electrode connected to the second node.
    Type: Application
    Filed: October 6, 2017
    Publication date: August 9, 2018
    Inventors: Jun-Hyun PARK, Young-Wan SEO, An-Su LEE, Bo-Yong CHUNG, Kang-Moon JO, Chong-Chul CHAI
  • Publication number: 20180199693
    Abstract: The present invention relates to a compact case including an upper cover unit and a lower body for hermetically accommodating various types of cosmetics in which the upper cover unit and the lower body are combined by a pin. The lower body and the upper cover unit are separably combined by a pin for refilling, the lower body is hermetically sealed with a cut plate that can be cut at the top and with a bottom plate at the bottom after a cosmetic is put into the lower body, and the cut plate is cut and opened for use in a single motion by pulling a ring. Accordingly, the compact case is simply sealed and opened, so efficiency including economical efficiency is improved.
    Type: Application
    Filed: April 30, 2015
    Publication date: July 19, 2018
    Inventor: In Yong CHUNG
  • Publication number: 20180204510
    Abstract: A pixel including an organic light emitting diode; a first transistor for controlling the amount of current flowing from a first driving power source to a second driving power source via the organic light emitting diode, corresponding to a voltage of a first node; a second transistor coupled between the first node and a second node, the second transistor being turned on when a scan signal is supplied to an ith (i is a natural number) scan line; a third transistor coupled between the second node and an anode electrode of the organic light emitting diode; a first capacitor coupled between a data line and the second node; and a fourth transistor coupled between an initialization power source and the anode electrode of the organic light emitting diode. The fourth transistor is turned on in response to a first control signal being supplied to a first control line.
    Type: Application
    Filed: September 7, 2017
    Publication date: July 19, 2018
    Inventors: Bo Yong CHUNG, Jun Hyun PARK, Young Wan SEO, An Su LEE, Kang Moon JO, Chong Chul CHAI