Patents by Inventor Eun-ha Lee

Eun-ha 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).

  • Patent number: 9362146
    Abstract: A washing device is disclosed, which is capable of preventing damage of a substrate caused by drooping of the substrate. The washing device includes a plasma irradiating part supplied with a substrate from a substrate loading part to remove dirt from the substrate by irradiating plasma to the substrate; a dirt washing part supplied from the substrate from the plasma irradiating part to remove dirt remaining on the substrate; a finishing washing part supplied with the substrate from the dirt washing part to wash the substrate; a drying part supplied with the substrate from the finishing washing part to dry the substrate; and a substrate unloading part supplied with the substrate from the drying part to unload the substrate, wherein the plasma irradiating part includes a plasma irradiation unit that irradiates plasma to the substrate and a floating unit that maintains the substrate in a floating state.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: June 7, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Tae Young Oh, Eun Ha Lee
  • Patent number: 9316789
    Abstract: A semiconductor device includes a single crystalline substrate, an electrical element and an optical element. The electrical element is disposed on the single crystalline substrate. The electrical element includes a gate electrode extending in a crystal orientation <110> and source and drain regions adjacent to the gate electrode. The source region and the drain region are arranged in a direction substantially perpendicular to a direction in which the gate electrode extends. The optical element is disposed on the single crystalline substrate. The optical element includes an optical waveguide extending in a crystal orientation <010>.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: April 19, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki Chul Kim, Bong Jin Kuh, Jung Yun Won, Eun Ha Lee, Han Mei Choi
  • Patent number: 9190270
    Abstract: Provided are a low-defect semiconductor device and a method of manufacturing the same. The method includes forming a buffer layer on a silicon substrate, forming an interface control layer on the buffer layer under a first growth condition, and forming a nitride stack on the interface control layer under a second growth condition different from the first growth condition.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: November 17, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-jo Tak, Jae-kyun Kim, Joo-sung Kim, Jun-youn Kim, Young-soo Park, Eun-ha Lee
  • Publication number: 20150309255
    Abstract: A semiconductor device includes a single crystalline substrate, an electrical element and an optical element. The electrical element is disposed on the single crystalline substrate. The electrical element includes a gate electrode extending in a crystal orientation <110> and source and drain regions adjacent to the gate electrode. The source region and the drain region are arranged in a direction substantially perpendicular to a direction in which the gate electrode extends. The optical element is disposed on the single crystalline substrate. The optical element includes an optical waveguide extending in a crystal orientation <010>.
    Type: Application
    Filed: July 10, 2015
    Publication date: October 29, 2015
    Inventors: KI CHUL KIM, BONG JIN KUH, JUNG YUN WON, EUN HA LEE, HAN MEI CHOI
  • Patent number: 9110233
    Abstract: A semiconductor device includes a single crystalline substrate, an electrical element and an optical element. The electrical element is disposed on the single crystalline substrate. The electrical element includes a gate electrode extending in a crystal orientation <110> and source and drain regions adjacent to the gate electrode. The source region and the drain region are arranged in a direction substantially perpendicular to a direction in which the gate electrode extends. The optical element is disposed on the single crystalline substrate. The optical element includes an optical waveguide extending in a crystal orientation <010>.
    Type: Grant
    Filed: December 24, 2012
    Date of Patent: August 18, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Chul Kim, Bong-Jin Kuh, Jung-Yun Won, Eun-Ha Lee, Han-Mei Choi
  • Publication number: 20150200115
    Abstract: A washing device is disclosed, which is capable of preventing damage of a substrate caused by drooping of the substrate. The washing device includes a plasma irradiating part supplied with a substrate from a substrate loading part to remove dirt from the substrate by irradiating plasma to the substrate; a dirt washing part supplied from the substrate from the plasma irradiating part to remove dirt remaining on the substrate; a finishing washing part supplied with the substrate from the dirt washing part to wash the substrate; a drying part supplied with the substrate from the finishing washing part to dry the substrate; and a substrate unloading part supplied with the substrate from the drying part to unload the substrate, wherein the plasma irradiating part includes a plasma irradiation unit that irradiates plasma to the substrate and a floating unit that maintains the substrate in a floating state.
    Type: Application
    Filed: March 25, 2015
    Publication date: July 16, 2015
    Inventors: Tae Young Oh, Eun Ha Lee
  • Patent number: 9059222
    Abstract: The present invention relates a washing device and a method for fabricating the same which has good chemical resistance and can prevent a scratch from forming on a substrate. The washing device includes a substrate entry guide for making a substrate to enter in a right direction from an outside of the washing device, a foreign matter removal unit for receiving the substrate from the substrate entry guide unit and removing foreign matters from the substrate, a foreign matter washing unit for receiving the substrate from the foreign matter removal unit and washing remained foreign matters from the substrate, and a position control unit for controlling a position of the substrate moving out of the foreign matter washing unit, wherein the substrate entry guide, the foreign matter removal unit, the foreign matter washing unit, and the position control unit are formed of metallic porous material.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: June 16, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Tae Young Oh, Geon Yong Kim, Eun Ha Lee
  • Patent number: 8993420
    Abstract: A method of forming an epitaxial layer includes forming a plurality of first insulation patterns in a substrate, the plurality of first insulation patterns spaced apart from each other, forming first epitaxial patterns on the plurality of first insulation patterns, forming second insulation patterns between the plurality of first insulation patterns to contact the plurality of first insulation patterns, and forming second epitaxial patterns on the second insulation patterns and between the first epitaxial patterns to contact the first epitaxial patterns, the first epitaxial patterns and the second epitaxial patterns forming a single epitaxial layer.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: March 31, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joong-han Shin, Bong-jin Kuh, Ki-chul Kim, Jeong-meung Kim, Eun-ha Lee, Jong-sung Lim, Han-mei Choi
  • Publication number: 20140353677
    Abstract: Provided are a low-defect semiconductor device and a method of manufacturing the same. The method includes forming a buffer layer on a silicon substrate, forming an interface control layer on the buffer layer under a first growth condition, and forming a nitride stack on the interface control layer under a second growth condition different from the first growth condition.
    Type: Application
    Filed: June 3, 2014
    Publication date: December 4, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-jo TAK, Jae-kyun KIM, Joo-sung KIM, Jun-youn KIM, Young-soo PARK, Eun-ha LEE
  • Publication number: 20140256117
    Abstract: A method of forming an epitaxial layer includes forming a plurality of first insulation patterns in a substrate, the plurality of first insulation patterns spaced apart from each other, forming first epitaxial patterns on the plurality of first insulation patterns, forming second insulation patterns between the plurality of first insulation patterns to contact the plurality of first insulation patterns, and forming second epitaxial patterns on the second insulation patterns and between the first epitaxial patterns to contact the first epitaxial patterns, the first epitaxial patterns and the second epitaxial patterns forming a single epitaxial layer.
    Type: Application
    Filed: December 19, 2013
    Publication date: September 11, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Joong-han SHIN, Bong-jin KUH, Ki-chul KIM, Jeong-meung KIM, Eun-ha LEE, Jong-sung LIM, Han-mei CHOI
  • Publication number: 20140225106
    Abstract: A thin film, a method of forming the thin film, a semiconductor device including the thin film, and a method of manufacturing the semiconductor device include forming a thin film including a metal oxynitride, and treating the thin film with inert gas ions so as to stabilize properties of the thin film. The metal oxynitride may include zinc oxynitride (ZnOxNy). The inert gas ions may include at least one of Ar ions and Ne ions. The treating of the thin film with the inert gas ions may be performed by a sputtering process, a plasma treatment process, or the like.
    Type: Application
    Filed: February 11, 2014
    Publication date: August 14, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-ha LEE, Anass BENAYAD, Tae-sang KIM, Kyoung-seok SON
  • Patent number: 8618543
    Abstract: Provided are a thin film transistor (TFT) including a selectively crystallized channel layer, and a method of manufacturing the TFT. The TFT includes a gate, the channel layer, a source, and a drain. The channel layer is formed of an oxide semiconductor, and at least a portion of the channel layer contacting the source and the drain is crystallized. In the method of manufacturing the TFT, the channel layer is formed of an oxide semiconductor, and a metal component is injected into the channel layer so as to crystallize at least a portion of the channel layer contacting the source and the drain. The metal component can be injected into the channel layer by depositing and heat-treating a metal layer or by ion-implantation.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: December 31, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-ha Lee, Dong-hun Kang, Jae-cheol Lee, Chang-jung Kim, Hyuck Lim
  • Patent number: 8574819
    Abstract: A method includes forming a hard mask layer over an etch target layer that extends across first and second regions, forming a sacrificial layer pattern over the hard mask layer of the first region, removing the sacrificial layer pattern after forming a spacer pattern on side walls thereof, selectively etching the hard mask layer of the first region by using the spacer pattern as an etch barrier while protecting the hard mask layer of the second region from being etched, removing the spacer pattern, forming a cut mask pattern over the hard mask layer of the first and second regions, etching the hard mask layer of the first and second regions by using the cut mask pattern as an etch barrier, removing the cut mask pattern, and forming patterns in the first and second regions respectively by using the hard mask layer of the first and second regions as an etch barrier and etching the etch target layer.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: November 5, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Sarohan Park, Eun-Ha Lee
  • Patent number: 8555460
    Abstract: A substrate cleaning apparatus includes: a substrate entering guide unit for entering a substrate from outside in a proper direction; a foreign material removing unit for receiving the substrate from the substrate entering guide unit and removing debris formed on the substrate; a foreign material cleaning unit for receiving the substrate from the foreign material removing unit and cleaning to remove debris remaining on the substrate; and a position controller for controlling the position of the substrate carried out of the foreign material cleaning unit, wherein the foreign material cleaning unit includes: a manifold including a plurality of deionized water holes, suction holes and air holes; and a porous cleaning plate combined to the manifold by an upper fastening screw including a through hole communicating with the plurality of deionized water holes and suction holes.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: October 15, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Geon-Yong Kim, Eun-Ha Lee
  • Patent number: 8440527
    Abstract: A memory device and a method of fabricating the same are provided. The memory device includes a tunneling dielectric layer on a substrate, a charge storage layer on the tunneling dielectric layer, a blocking dielectric layer on the charge storage layer, the blocking dielectric layer including a first dielectric layer having silicon oxide, a second dielectric layer on the first dielectric layer and having aluminum silicate, and a third dielectric layer formed on the second dielectric layer and having aluminum oxide, and an upper electrode on the blocking dielectric layer.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: May 14, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Chul Yoo, Eun-Ha Lee, Hyung-Ik Lee, Ki-Hyun Hwang, Sung Heo, Han-Mei Choi, Yong-Koo Kyoung, Byong-Ju Kim
  • Patent number: 8426852
    Abstract: Transistors and electronic apparatuses including the same are provided, the transistors include a channel layer on a substrate. The channel layer includes a zinc (Zn)-containing oxide. The transistors include a source and a drain, respectively, contacting opposing ends of the channel layer, a gate corresponding to the channel layer, and a gate insulating layer insulating the channel layer from the gate. The channel layer has a first surface adjacent to the substrate, a second surface facing the first surface, and a channel layer-protection portion on the second surface. The channel layer-protection portion includes a fluoride material.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: April 23, 2013
    Assignees: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Jae-cheol Lee, Chang-seung Lee, Jae-gwan Chung, Eun-ha Lee, Anass Benayad, Sang-wook Kim, Se-jung Oh
  • Patent number: 8343879
    Abstract: A method for fabricating a semiconductor device includes forming an isolation layer which defines an active region in a substrate, forming recess patterns in the active region and the isolation layer, baking a surface of the recess pattern by conducting an annealing process and forming a gate dielectric layer over a surface of the recess pattern by conducting an oxidation process.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: January 1, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Se-Aug Jang, Eun-Jeong Kim, Eun-Ha Lee
  • Publication number: 20120295399
    Abstract: Provided is a zinc (Zn) oxide-based thin film transistor that may include a gate, a gate insulating layer on the gate, a channel including zinc oxide and may be on a portion of the gate insulating layer, and a source and drain contacting respective sides of the channel. The zinc (Zn) oxide-based thin film transistor may further include a recession in the channel between the source and the drain, and a zinc oxide-based etchant may be used to form the recession.
    Type: Application
    Filed: July 27, 2012
    Publication date: November 22, 2012
    Inventors: Chang-jung KIM, Young-soo Park, Eun-ha Lee, Jae-chul Park
  • Patent number: 8300851
    Abstract: A method of managing a sound source in a digital AV device and an apparatus thereof are provided. The method of managing a sound source in a digital AV device includes: extracting at least one sound source from sound being reproduced through the digital AV device; mapping an image to the extracted sound source; and managing the sound sources by using the mapped image. In addition, preferably, the extracted sound source is registered, changed, deleted, selectively reproduced, or selectively deleted by using the image. Accordingly, sound being output can be visually managed by handling the sound sources separately, a desired sound source can be selectively reproduced or removed such that utilization of the digital AV device can be enhanced.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: October 30, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-eun Shin, Eun-ha Lee
  • Patent number: 8294198
    Abstract: A semiconductor integrated circuit device is provided. The semiconductor integrated circuit device includes a plurality of isolation regions which are formed within a semiconductor substrate and define active regions. A tunnel layer and a trap seed layer are formed in each of the active regions and are sequentially stacked between the isolation regions. A trap layer is formed on the trap seed layer and protrudes further than a top surface of each of the isolation regions. A blocking layer is formed on the trap layer. A gate electrode is formed on the blocking layer.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: October 23, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Chul Yoo, Eun-Ha Lee, Byong-Ju Kim, Hyung-Ik Lee, Sung Heo, Han-Mei Choi, Chan-Hee Park, Ki-Hyun Hwang