Patents by Inventor Eun Soo Hwang

Eun Soo Hwang 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: 10946577
    Abstract: An imprinting apparatus includes a first frame, a pressure roller rotatably supported on a first end of the first frame, a second frame including a support portion coupled to a second end of the first frame, and at least one guide portion coupled to the support portion to be laterally movable, and at least one load roller supported by the at least one guide portion, the at least one load roller being movable in a vertical direction while being rotatable and contacting a surface of the pressure roller on an upper portion of the pressure roller according to a lateral movement of the guide portion, the at least one load roller to press the pressure roller by force exerted by a load of the at least one load roller.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: March 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho Yu, Byeong Sang Kim, Jung Wook Kim, Kyung Bin Park, Ki Ju Sohn, Eun Soo Hwang
  • Publication number: 20190377258
    Abstract: An imprint pressure roller device is provided. The imprint pressure roller device includes a roller member that applies pressure downward while rotating about a shaft, a bearing block that is coupled to both ends of the roller member to allow rotation of the roller member and a frame that is coupled to the bearing block to support the roller member and the bearing block, wherein the bearing block includes a coupling portion that is connected to the shaft, a core portion that extends from the coupling portion in a vertical direction, a first coil that completely surrounds sides of the core portion and a second coil that completely surrounds the sides of the core portion and is disposed on the first coil to be spaced apart from the first coil.
    Type: Application
    Filed: November 30, 2018
    Publication date: December 12, 2019
    Inventors: Ho YU, Byeong Sang KIM, Eul-Tae KIM, Eun Soo HWANG
  • Publication number: 20190131164
    Abstract: A substrate processing apparatus includes an exhaust unit including a lower surface in which an outlet is formed and four side walls extended from the lower surface, the exhaust unit having exhaust wings protruding from two opposing side walls, a shower head located in the exhaust unit and having distribution holes, and an adjuster disposed on each of side walls of the exhaust unit between the exhaust wings.
    Type: Application
    Filed: June 4, 2018
    Publication date: May 2, 2019
    Inventors: Byeong Sang KIM, Ki Ju SOHN, Ju Hyun LEE, Dong Wook KIM, Kyung Bin PARK, Woo Sub SHIM, Jung Wook KIM, Ho YU, Myoung Soo CHOI, Eun Soo HWANG
  • Publication number: 20190099938
    Abstract: An imprinting apparatus includes a first frame, a pressure roller rotatably supported on a first end of the first frame, a second frame including a support portion coupled to a second end of the first frame, and at least one guide portion coupled to the support portion to be laterally movable, and at least one load roller supported by the at least one guide portion, the at least one load roller being movable in a vertical direction while being rotatable and contacting a surface of the pressure roller on an upper portion of the pressure roller according to a lateral movement of the guide portion, the at least one load roller to press the pressure roller by force exerted by a load of the at least one load roller.
    Type: Application
    Filed: April 6, 2018
    Publication date: April 4, 2019
    Inventors: Ho YU, Byeong Sang KIM, Jung Wook KIM, Kyung Bin PARK, Ki Ju SOHN, Eun Soo HWANG
  • Publication number: 20190086794
    Abstract: An imprint apparatus including a stage supporting a stamp master on which a master pattern for forming a stamping pattern on a flexible substrate is formed, or a substrate on which a pattern corresponding to the stamping pattern is formed by contact with the stamping pattern; a roll-to-roll mover to move the flexible substrate along a path adjacent to the stage; a clamp including a front clamp that secures a first portion of the flexible substrate, and a rear clamp that secures a second portion of the flexible substrate spaced apart from the first portion; a pressure roller to press the flexible substrate so that the flexible substrate secured by the clamp is brought into contact with the substrate or the stamp master; and a clamp driving controller to drive the clamp to adjust tension between the first portion and the second portion.
    Type: Application
    Filed: April 2, 2018
    Publication date: March 21, 2019
    Inventors: Ho YU, Myoung-soo CHOI, Dong-wook KIM, Jung-wook KIM, Ki-ju SOHN, Sung-kyu LEE, Eun-soo HWANG
  • Patent number: 8894406
    Abstract: Disclosed herein is a patterning mold configured to form a micropattern on a substrate or glass. The disclosed patterning mold includes a transfer body with a patterning part formed at one end of the transfer body to transfer a nanoparticle material to one surface of the substrate. The patterning mold further includes a fixing member coupled to an exterior of the transfer body, to prevent or reduce deformation of the exterior of the transfer body.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: November 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eui Sun Choi, Eun Soo Hwang, Young Tae Cho, Dong Min Kim, Jeong Gil Kim, Jong Woo Lee, Eun Ah Park
  • Publication number: 20140252679
    Abstract: A large-scale imprint apparatus includes a roll-to-roll unit configured to wind or rewind a flexible substrate, a stage arranged adjacent to a winding path of the flexible substrate, the stage being configured to support a stamp master with a master pattern or to support a substrate, and a stamping pressing unit arranged adjacent to the stage, the stamping pressing unit being configured to press the flexible substrate against the stamp master or against the substrate.
    Type: Application
    Filed: March 5, 2014
    Publication date: September 11, 2014
    Inventors: Eun Soo HWANG, Eui Sun CHOI, Sung Hoon LEE
  • Publication number: 20120160112
    Abstract: According to example embodiments, a printing apparatus includes a wafer delivery unit configured to move and support a wafer, an optical microscope configured to inspect the wafer, a pattern transfer unit configured to display a position of a defect on the wafer detected using the optical microscope.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 28, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Soo Hwang, Jin Sung Kim, Young Jeong Kim, Jong Woo Lee, Young Tae Cho, Dong Min Kim, Tae Young Ra, Eui Sun Choi, Eun Ah Park
  • Publication number: 20120118365
    Abstract: A thin film solar cell includes a substrate, a light scattering layer on the substrate, a first electrode layer on the light scattering layer, a plurality of light absorption layers on the first electrode layer, and a second electrode layer on the plurality of light absorption layers.
    Type: Application
    Filed: November 15, 2011
    Publication date: May 17, 2012
    Inventors: Aleksandr BESSONOV, Young-Tae Cho, Seung-Jae Jung, Eun-Ah Park, Eun-Soo Hwang
  • Publication number: 20120108717
    Abstract: An ink composition for flexo printing contains a dye type colorant in order to precisely print. The ink composition for flexo printing includes about 1 to 40 wt. % of a colorant, about 5 to 40 wt. % of a binder, about 20 to 95 wt. % of a solvent and a remainder of an additive, wherein the wt. % of the colorant, the binder, the solvent and the additive is based on a total weight of the ink composition.
    Type: Application
    Filed: July 21, 2011
    Publication date: May 3, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Ah Park, Jong Woo Lee, Eun Soo Hwang, Young Tae Cho, Jeong Gil Kim
  • Publication number: 20120082745
    Abstract: Disclosed herein is a patterning mold configured to form a micropattern on a substrate or glass. The disclosed patterning mold includes a transfer body with a patterning part formed at one end of the transfer body to transfer a nanoparticle material to one surface of the substrate. The patterning mold further includes a fixing member coupled to an exterior of the transfer body, to prevent or reduce deformation of the exterior of the transfer body.
    Type: Application
    Filed: September 9, 2011
    Publication date: April 5, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eui Sun Choi, Eun Soo Hwang, Young Tae Cho, Dong Min Kim, Jeong Gil Kim, Jong Woo Lee, Eun Ah Park
  • Publication number: 20120080819
    Abstract: Disclosed herein is a patterning mold to form a micropattern on a substrate or glass. The disclosed patterning mold includes a body having a patterning part formed at one end of the body. The patterning part may be configured to contact a surface of the substrate, to form a channel. In example embodiments, an ink supply passage communicating with the channel may be formed in the patterning mold, to supply an ink to the channel. In example embodiments, a fixing member is coupled to an exterior of the transfer body, to prevent or reduce deformation of the exterior of the transfer body.
    Type: Application
    Filed: August 30, 2011
    Publication date: April 5, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eui Son Choi, Eun Soo Hwang, Young Tae Cho, Dong Min Kim, Jeong Gil Kim, Jong Woo Lee, Eun Ah Park
  • Publication number: 20110300345
    Abstract: According to an example embodiment, a patterned surface includes a micro-structural surface with a micro or nano pattern on a substrate, wherein the micro-structural surface has superhydrophobic regions and superhydrophilic regions.
    Type: Application
    Filed: June 1, 2011
    Publication date: December 8, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Aleksandr Bessonov, Jung Woo Seo, Jeong Gil Kim, Suk Won Lee, Jong Woo Lee, Eun Soo Hwang, Young-Tae Cho
  • Publication number: 20100243021
    Abstract: Solar cells and methods of manufacturing the same are provided, the solar cell include a plurality of unit cells connected to one another on the same level of a substrate to form a module, each of the unit cells including a first electrode and a second electrode having opposite polarities and an active layer interposed between the first electrode and the second electrode.
    Type: Application
    Filed: March 16, 2010
    Publication date: September 30, 2010
    Inventors: Jong Woo Lee, Eun Soo Hwang