Patents by Inventor Yong-won Jeong

Yong-won Jeong 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: 20080231665
    Abstract: The inkjet printhead includes substrate having an ink feed hole formed to supply ink, a chamber layer stacked on the substrate, and including a plurality of main ink chambers formed therein with the ink feed hole therebetween and a plurality of compensation ink chambers formed therein between the main ink chambers that face each other; and a nozzle layer stacked on the chamber layer, and including a plurality of main nozzles corresponding to the main ink chambers and a plurality of compensation nozzles corresponding to the compensation ink chambers.
    Type: Application
    Filed: September 24, 2007
    Publication date: September 25, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Moon-chul Lee, Myong-jong Kwon, Yong-seop Yoon, Jin-wook Lee, Yong-won Jeong, Donk-sik Shim
  • Publication number: 20080128386
    Abstract: A method of manufacturing an inkjet printhead includes forming an insulating layer, heaters, and electrodes sequentially on a substrate, depositing a chamber layer having a plurality of ink chambers on the insulating layer, forming an ink feed hole in the substrate and the insulating layer to supply ink to the ink chambers, preparing a nozzle layer having a plurality of nozzles and an adhesive layer formed on a lower surface of the nozzle layer, and bonding the nozzle layer to the chamber layer.
    Type: Application
    Filed: August 14, 2007
    Publication date: June 5, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yong-seop YOON, Hyung Choi, Moon-chul Lee, Yong-won Jeong, Dong-sik Shim
  • Publication number: 20080122899
    Abstract: An inkjet print head includes a substrate in which an ink feed hole having an hourglass cross-section is formed, a chamber layer that is stacked on the substrate and has a plurality of ink chambers into which ink supplied from the ink feed hole is filled, and a nozzle layer that is stacked on the chamber layer and has a plurality of nozzles through which the ink is ejected.
    Type: Application
    Filed: July 16, 2007
    Publication date: May 29, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Moon-chul LEE, Byung-ha Park, Dong-sik Shim, Yong-seop Yoon, Sung-joon Park, Yong-won Jeong, Kyong-il Kim
  • Publication number: 20080106578
    Abstract: A thermal inkjet printhead includes a plurality of bonding pads to which an external voltage is applied, a plurality of common wires connected to the each of the bonding pads, respectively, a plurality of individual wires connected to each of the common wires, respectively, and heaters connected to each of the individual wires, respectively, to generate ink bubbles by heating ink, wherein each of the common wires includes a first metal layer and a first metal bump which are formed on the first metal layer.
    Type: Application
    Filed: May 1, 2007
    Publication date: May 8, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-sik SHIM, Yong-seop Yoon, Moon-chul Lee, Yong-won Jeong, Hyung Choi
  • Publication number: 20080079781
    Abstract: An inkjet printhead and a method of manufacturing the same. The inkjet printhead may include a substrate through which an ink feed hole to supply ink is formed, a chamber layer stacked above the substrate and including a plurality of ink chambers filled with ink supplied from the ink feed hole, and a nozzle layer stacked on the chamber layer, wherein a plurality of nozzles through which ink is ejected and a plurality of via holes are formed in the nozzle layer.
    Type: Application
    Filed: May 1, 2007
    Publication date: April 3, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-sik Shim, Yong-seop Yoon, Moon-chul Lee, Chan-bong Jun, Hyung Choi, Yong-won Jeong