Patents by Inventor DongYun Lee

DongYun 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: 20210203530
    Abstract: A signal transmitter circuit includes an output driver circuit configured to transmit a signal using a multi-level pulse amplitude modulation (PAM) scheme comprising a plurality of discreet signal levels. During operation, the output driver initiates a first transition of the signal to a first level of the multi-level PAM scheme from a second level of the multi-level PAM scheme, and initiates a second transition of the signal to the first level from a third level of the multi-level PAM scheme. The signal transmitter further includes a control circuit configured to control a slew rate of the signal transmitter circuit to cause the signal to reach a threshold voltage level at a first time, the first time occurring a first duration of time after the first transition is initiated, and to cause the signal to reach the threshold voltage level at a second time, the second time occurring the first duration of time after the second transition is initiated.
    Type: Application
    Filed: December 30, 2020
    Publication date: July 1, 2021
    Inventors: Kamran Farzan, Dongyun Lee
  • Patent number: 11001067
    Abstract: A chemical liquid supply assembly may include a chemical liquid supply line for providing chemical liquid to ink jet heads. The chemical liquid supply assembly may include a main line having a first diameter and extending in a first direction, branched lines divided from the main line in a second direction perpendicular to the first direction and connected to the ink jet heads, each of the branched line having a second diameter smaller than the first diameter, and a discharge line connected to one end portion of the main line such that bubbles generated in the chemical liquid supply line are discharged out of the chemical liquid supply line while the chemical liquid supply assembly provides the chemical liquid to the ink jet heads.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: May 11, 2021
    Assignees: Semes Co., Ltd., Samsung Display Co., LTD.
    Inventors: Eonseok Lee, Dongjin Lee, Boramchan Sung, Dongyun Lee, Daesung Kim
  • Patent number: 10887137
    Abstract: A signal transmitter circuit includes an output driver circuit configured to transmit a signal using a multi-level pulse amplitude modulation (PAM) scheme comprising a plurality of discreet signal levels. During operation, the output driver initiates a first transition of the signal to a first level of the multi-level PAM scheme from a second level of the multi-level PAM scheme, and initiates a second transition of the signal to the first level from a third level of the multi-level PAM scheme. The signal transmitter further includes a control circuit configured to control a slew rate of the signal transmitter circuit to cause the signal to reach a threshold voltage level at a first time, the first time occurring a first duration of time after the first transition is initiated, and to cause the signal to reach the threshold voltage level at a second time, the second time occurring the first duration of time after the second transition is initiated.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: January 5, 2021
    Assignee: Rambus Inc.
    Inventors: Kamran Farzan, Dongyun Lee
  • Publication number: 20200295978
    Abstract: A signal transmitter circuit includes an output driver circuit configured to transmit a signal using a multi-level pulse amplitude modulation (PAM) scheme comprising a plurality of discreet signal levels. During operation, the output driver initiates a first transition of the signal to a first level of the multi-level PAM scheme from a second level of the multi-level PAM scheme, and initiates a second transition of the signal to the first level from a third level of the multi-level PAM scheme. The signal transmitter further includes a control circuit configured to control a slew rate of the signal transmitter circuit to cause the signal to reach a threshold voltage level at a first time, the first time occurring a first duration of time after the first transition is initiated, and to cause the signal to reach the threshold voltage level at a second time, the second time occurring the first duration of time after the second transition is initiated.
    Type: Application
    Filed: March 12, 2020
    Publication date: September 17, 2020
    Inventors: Kamran Farzan, Dongyun Lee
  • Publication number: 20200221242
    Abstract: Disclosed are a signal processing device and an image display apparatus including the same. The signal processing device and an image display apparatus including the same include: a converter configured to convert of frequency of an input stereo audio signal; a primary component analyzer configured to perform primary component analysis based on a signal from the converter; a feature extractor configured to extract a feature of a primary component signal based on a signal from the primary component analyzer; an envelope adjustor configured to perform envelope adjustment based on prediction performed on the basis of a deep neural network model; and an inverse converter configured to inversely convert a signal from the envelope adjustor to output an upmix audio signal of multi-channel. Accordingly, when upmixing the downmix stereo audio signal to a multichannel audio signal, spatial distortion can be improved.
    Type: Application
    Filed: January 8, 2020
    Publication date: July 9, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Kichul KIM, Joonil LEE, Jongkun KIM, Sunha JEON, Jongha PARK, Dongyun LEE
  • Publication number: 20200139715
    Abstract: A chemical liquid supply assembly may include a chemical liquid supply line for providing chemical liquid to ink jet heads. The chemical liquid supply assembly may include a main line having a first diameter and extending in a first direction, branched lines divided from the main line in a second direction perpendicular to the first direction and connected to the ink jet heads, each of the branched line having a second diameter smaller than the first diameter, and a discharge line connected to one end portion of the main line such that bubbles generated in the chemical liquid supply line are discharged out of the chemical liquid supply line while the chemical liquid supply assembly provides the chemical liquid to the ink jet heads.
    Type: Application
    Filed: October 29, 2019
    Publication date: May 7, 2020
    Applicants: Semes Co., Ltd., Samsung Display Co., LTD.
    Inventors: Eonseok Lee, Dongjin Lee, Boramchan Sung, Dongyun Lee, Daesung Kim
  • Publication number: 20180269808
    Abstract: A display apparatus is disclosed. The display apparatus includes a display panel, a supporter attached to a rear surface of the display panel, and a piezoelectric vibration unit including a fixing portion attached to the supporter and a cantilever portion overhanging from the supporter.
    Type: Application
    Filed: March 16, 2018
    Publication date: September 20, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Jongha PARK, Dongyun LEE
  • Patent number: 10056123
    Abstract: A method, apparatus and system for reducing memory latency is disclosed. In one embodiment, data between a host computer system and a memory is communicated via a port or a group of ports at the memory over multiple time intervals, wherein the host computer is coupled to the memory. Further, a command associated with the data is communicated between the host computer system and the memory via the port or the group of ports over a single time interval.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: August 21, 2018
    Assignee: Lattice Semiconductor Corporation
    Inventors: Alan Ruberg, Seung-Jong Lee, Hyung Rok Lee, Daeyun Shim, Dongyun Lee, Sungjoon Kim, Anu Murthy
  • Patent number: 9685785
    Abstract: A system for delivering power over a network of devices connected through a serial link includes a first and second differential pairs of wires. Each differential pair of wires is double AC coupled by a HPF on one side and by another HPF on an opposite side. An LPF connects a portion of each differential pair of wires between the HPFs to a voltage source, and another LPF connects that portion of each differential pair to a load. The system further includes a third and fourth differential pairs of wires. All four differential pairs of wires are located within a single cable, such as a CAT6 cable. The first, second and third differential pair of wires are used for video links, and the fourth differential pair of wires are used for the bi-directional hybrid link. A power delivery circuit in each device includes a voltage source, a power relay switch, a signature resistor for detection, and a load detector.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: June 20, 2017
    Assignee: Lattice Semiconductor Corporation
    Inventors: Dongyun Lee, Edward Pak, John Hahn, Mayank Gupta
  • Patent number: 9522773
    Abstract: The present disclosure relates to a blow-molded, rigid collapsible liner that can be suitable particularly for smaller storage and dispensing systems. The rigid collapsible liner may be a stand-alone liner, e.g., used without an outer container, and may be dispensed from a fixed pressure dispensing can. Folds in the rigid collapsible liner may be substantially eliminated, thereby substantially reducing or eliminating the problems associated with pinholes, weld tears, and overflow. The present disclosure also relates to flexible gusseted or non-gusseted liners, which is scalable in size and may be used for storage of up to 200 L or more. The flexible gusseted liner may be foldable, such that the liner can be introduced into a dispensing can. The liner can be made of thicker materials, substantially reducing or eliminating the problems associated pinholes, and may include more robust welds, substantially reducing or eliminating the problems associated weld tears.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: December 20, 2016
    Assignee: Entegris, Inc.
    Inventors: Glenn Tom, Thomas H. Baum, Matthew Kusz, Joseph Menning, Greg Nelson, Dongyun Lee, Wei Liu, Kanghyun Kim, Karl Boggs, Richard Chism
  • Patent number: 9398329
    Abstract: A system may include a video link and a hybrid link that connects a transmitting device to the receiving device, and at least one intermediate hop between the transmitting device and the receiving device. The intermediate hop may be configured to relay video content from the video source to the video sink through the hybrid link using one or more data relay modes. The hybrid link may be configured to perform hybrid link control signaling (HLCS) to manage a physical layer of the hybrid link. The video link between the video source and the video sink may be configured to transmit a video stream the from video source to the video sink over one or more video lanes. A video link training may be implemented for the video link and the hybrid link.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: July 19, 2016
    Assignee: Lattice Semiconductor Corporation
    Inventors: Dongyun Lee, Edward Pak, John Hahn, Mayank Gupta, Byoung Woon Kim, Paul Daniel Heninwolf, Sangwan Kim, Sukjae Cho
  • Patent number: 9030976
    Abstract: A communication system, comprising a first node, a second node, a serial communication link between the first node and the second node, configured to transmit digital video data from the first node to the second node over one or more video channels of the link. The communication system further including a hybrid link between the first node and the second node, wherein the first node and the second node are configured to transmit at least one stream of data to the other through a hybrid channel over the hybrid link. In the communication system, the bandwidth of the serial communication link is scaled according to a video pixel frequency. Further, the initial locking of the serial communication link is aided by clock information delivered over the hybrid link.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: May 12, 2015
    Assignee: Silicon Image, Inc.
    Inventors: Dongyun Lee, John Hahn, Bong-Joon Lee, David Lee, Byoung-Woon Kim
  • Publication number: 20150032975
    Abstract: A method, apparatus and system for reducing memory latency is disclosed. In one embodiment, data between a host computer system and a memory is communicated via a port or a group of ports at the memory over multiple time intervals, wherein the host computer is coupled to the memory. Further, a command associated with the data is communicated between the host computer system and the memory via the port or the group of ports over a single time interval.
    Type: Application
    Filed: October 16, 2014
    Publication date: January 29, 2015
    Inventors: Alan Ruberg, Seung-Jong Lee, Hyung Rok Lee, Daeyun Shim, Dongyun Lee, Sungjoon Kim, Anu Murthy
  • Patent number: 8908576
    Abstract: A communication system, comprising a first node, a second node, a serial communication link between the first node and the second node, configured to transmit digital video data from the first node to the second node over one or more video channels of the link. The communication system further including a hybrid link between the first node and the second node, wherein the first node and the second node are configured to transmit at least one stream of data to the other through a hybrid channel over the hybrid link. In the communication system, the bandwidth of the serial communication link is scaled according to a video pixel frequency. Further, the initial locking of the serial communication link is aided by clock information delivered over the hybrid link.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: December 9, 2014
    Assignee: Silicon Image, Inc.
    Inventors: Dongyun Lee, John Hahn, Bong-Joon Lee, David Lee, Byoung-Woon Kim
  • Publication number: 20140346782
    Abstract: The present invention relates to a micro power generator and power generation method using a liquid droplet to produce electricity using alternating current (AC) power induced by changing the contact areas of a liquid droplet between two electrode plates by vibration. The micro power generator according to the present invention includes first and second electrode plates positioned adjacent to and facing each other; an ion-containing liquid droplet positioned between the first and second electrode plates; and a power generation unit for producing electricity using AC voltage generated between the first and second electrode plates while as at least one of the first and second electrode plates is vibrated, a contact area between each of the first and second electrode plates and the liquid droplet changes with time.
    Type: Application
    Filed: May 23, 2013
    Publication date: November 27, 2014
    Applicant: Pusan National University Industry-University Cooperation Foundation
    Inventors: Hyuk Kyu PAK, Jong Kyun Moon, Kyung Chun Kim, Sang Youl Yoon, Hyung Dong Kim, Jaeki Jeong, Dongyun Lee
  • Patent number: 8892825
    Abstract: A method, apparatus and system for reducing memory latency is disclosed. In one embodiment, data between a host computer system and a memory is communicated via a port or a group of ports at the memory over multiple time intervals, wherein the host computer is coupled to the memory. Further, a command associated with the data is communicated between the host computer system and the memory via the port or the group of ports over a single time interval.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: November 18, 2014
    Assignee: Silicon Image, Inc.
    Inventors: Alan Ruberg, Seung-jong Lee, Hyung Rok Lee, Daeyun Shim, Dongyun Lee, Sungjoon Kim, Anu Murthy
  • Publication number: 20140159477
    Abstract: A system for delivering power over a network of devices connected through a serial link includes a first and second differential pairs of wires. Each differential pair of wires is double AC coupled by a HPF on one side and by another HPF on an opposite side. An LPF connects a portion of each differential pair of wires between the HPFs to a voltage source, and another LPF connects that portion of each differential pair to a load. The system further includes a third and fourth differential pairs of wires. All four differential pairs of wires are located within a single cable, such as a CAT6 cable. The first, second and third differential pair of wires are used for video links, and the fourth differential pair of wires are used for the bi-directional hybrid link. A power delivery circuit in each device includes a voltage source, a power relay switch, a signature resistor for detection, and a load detector.
    Type: Application
    Filed: February 14, 2014
    Publication date: June 12, 2014
    Applicant: Silicon Image, Inc.
    Inventors: Dongyun Lee, Edward Pak, John Hahn, Mayank Gupta
  • Patent number: 8680712
    Abstract: A system for delivering power over a network of devices connected through a serial link includes a first and second differential pairs of wires. Each differential pair of wires is double AC coupled by a HPF on one side and by another HPF on an opposite side. An LPF connects a portion of each differential pair of wires between the HPFs to a voltage source, and another LPF connects that portion of each differential pair to a load. The system further includes a third and fourth differential pairs of wires. All four differential pairs of wires are located within a single cable, such as a CAT6 cable. The first, second and third differential pair of wires are used for video links, and the fourth differential pair of wires are used for the bi-directional hybrid link. A power delivery circuit in each device includes a voltage source, a power relay switch, a signature resistor for detection, and a load detector.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: March 25, 2014
    Assignee: Silicon Image, Inc.
    Inventors: Dongyun Lee, Edward Pak, John Hahn, Mayank Gupta
  • Publication number: 20130282991
    Abstract: A method, apparatus and system for reducing memory latency is disclosed. In one embodiment, data between a host computer system and a memory is communicated via a port or a group of ports at the memory over multiple time intervals, wherein the host computer is coupled to the memory. Further, a command associated with the data is communicated between the host computer system and the memory via the port or the group of ports over a single time interval.
    Type: Application
    Filed: March 25, 2013
    Publication date: October 24, 2013
    Inventors: Alan Ruberg, Seoung Jeong Lee, Hyung Rok Lee, Daeyun Shim, Dongyun Lee, Sungjoon Kim, Anu Murthy
  • Publication number: 20130191872
    Abstract: A system may include a video link and a hybrid link that connects a transmitting device to the receiving device, and at least one intermediate hop between the transmitting device and the receiving device. The intermediate hop may be configured to relay video content from the video source to the video sink through the hybrid link using one or more data relay modes. The hybrid link may be configured to perform hybrid link control signaling (HLCS) to manage a physical layer of the hybrid link. The video link between the video source and the video sink may be configured to transmit a video stream the from video source to the video sink over one or more video lanes. A video link training may be implemented for the video link and the hybrid link.
    Type: Application
    Filed: January 12, 2011
    Publication date: July 25, 2013
    Inventors: Dongyun Lee, Edward Pak, John Hahn, Mayank Gupta, Byoung Woon Kim, Paul Heninwolf, Sangwan Kim, Sukjae Cho