Patents by Inventor Ho-Cheol Kang

Ho-Cheol Kang 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: 10531580
    Abstract: An electronic device includes a housing that includes a first surface facing a first direction, a second surface facing a second direction that is opposite the first direction, and a transparent member forming at least part of the first surface, a display that is interposed between the first surface and the second surface of the housing and is exposed through the transparent member, and a force sensor that is interposed between the display and the second surface of the housing.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: January 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Won Kim, Eui Jin Kim, Han Vit Kang, Ho Kyung Kang, Byeong Cheol Kim, Hyung Sup Byeon, Jeong Sik Jeong, Eun Sung Cho, Kwang Tai Kim, Hyun Ju Hong
  • Publication number: 20190311172
    Abstract: Disclosed is an electronic device including a housing including a transparent cover including a first region and a second region adjacent to the first region, a touchscreen display interposed between the first region and a second surface of the housing and exposed through the first region, an opaque layer interposed between the second region of the transparent cover and the second surface and exposed through the second region, a fingerprint sensor interposed between the opaque layer and the second surface, and a pressure sensor interposed between the fingerprint sensor and the second surface and sensing a pressure of an external object against the opaque layer. The pressure sensor includes a first electrode substantially in parallel with the opaque layer, a second electrode spaced from the first electrode layer and extending substantially in parallel in the second direction, and a dielectric layer interposed between the first electrode and the second electrode.
    Type: Application
    Filed: January 11, 2017
    Publication date: October 10, 2019
    Inventors: Ho Kyung KANG, Young Tae JEONG, Han Vit KANG, Byeong Cheol KIM, Jung Won KIM, Jeong Sik JEONG, Kwang Tai KIM, Hyung Sup BYEON, Hyun Ju HONG
  • Publication number: 20190278412
    Abstract: An electronic device according to an embodiment of the present invention comprises: a housing that comprises a first surface which faces a first direction and a second surface which faces a second direction opposite to the first direction, and that comprises a first transparent plate which forms at least a portion of the first surface of the housing; a display that is disposed between the first transparent plate and the second face of the housing, and comprises a second transparent plate which faces the first direction, and a third transparent plate which faces the second direction; a first electrode, a second electrode, a third electrode, and a fourth electrode that are disposed between the second transparent plate and the third transparent plate; and a control circuit that is electrically connected to the first electrode, the second electrode, the third electrode, and the fourth electrode, wherein the control circuit may be configured to detect the position of touch input with respect to the first transpare
    Type: Application
    Filed: October 20, 2017
    Publication date: September 12, 2019
    Inventors: Hyung-Sup BYEON, Jung-Won KIM, Han-Vit KANG, Ho-Kyung KANG, Kwang-Tai KIM, Byeong-Cheol KIM, Kyung-Wan PARK, Yo-Han LEE, Jeong-Sik JEONG, Eun-Sung CHO, Hyun-Ju HONG
  • Patent number: 10335062
    Abstract: An electronic device is provided which includes a housing including a first face that faces a first direction and a second face that faces a second direction, which is opposite to the first direction, the housing including a transparent cover that forms at least a portion of the first face, a display disposed between the first face and the second face of the housing and exposed through the transparent cover, a fingerprint sensor disposed between the transparent cover and the display, a touch sensor disposed between the fingerprint sensor and the display, and a pressure sensor disposed between the display and the second face of the housing.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: July 2, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Han-Vit Kang, Ho-Kyung Kang, Byeong-Cheol Kim, Jung-Won Kim, Jeong-Sik Jeong, Kwang-Tai Kim, Hyung-Sup Byeon, Hyun-Ju Hong
  • Publication number: 20190171315
    Abstract: An electronic device according to various examples comprises: a housing, in an unfolded state, including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction and including at least one flexible portion; a touch screen display arranged between the first surface and the second surface of the housing, exposed through the first surface of the housing, and when viewed from above the first surface, including at least one flexible portion at a position corresponding to the flexible portion of the housing; and a pressure sensor arranged between the touch screen display and the second surface of the housing, and when viewed from above the first surface, including at least one flexible portion at a position corresponding to the flexible portion of the housing.
    Type: Application
    Filed: June 23, 2017
    Publication date: June 6, 2019
    Inventors: Kyungwan PARK, Han-Vit KANG, Ho-Kyung KANG, Byeong-Cheol KIM, Jung Won KIM, Jeongsik JEONG, Kwang-Tai KIM, Hyungsup BYEON, Hyun-Ju HONG
  • Patent number: 9073752
    Abstract: The present invention relates to a quantum dot light emitting element which can form a quantum light emitting layer configured of charge transporting particles and quantum dots and a charge transporting layer in a solution process, to reduce process expense, and a method for manufacturing the same. The quantum dot light emitting element includes a substrate, an anode formed on the substrate, a quantum light emitting layer formed on the anode, the quantum light emitting layer having charge transporting particles and quantum dots mixed therein, and a cathode formed on the quantum light emitting layer.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: July 7, 2015
    Assignees: LG Display Co., Ltd., SNU R&DB FOUNDATION
    Inventors: Ho-Cheol Kang, Young-Hoon Noh, Chang-Hee Lee, Kook Heon Char, Seong-Hoon Lee, Jeong Hun Kwak, Wan Ki Bae, Jae Hoon Lim, Dong Gu Lee
  • Patent number: 9064832
    Abstract: An array substrate for a display device, including a substrate having a pixel region and a switching region, a source electrode and a drain electrode on the switching region of the substrate, ends of the source and drain electrodes having tapered edges, a pixel electrode in the pixel region of the substrate, the pixel electrode being connected to the drain electrode, an organic semiconductor layer on the source and drain electrodes, the organic semiconductor layer completely contacting tapered edges and a top surface of each of the source and drain electrodes, a first insulating layer on the organic semiconductor layer, and a gate electrode on the first insulating layer.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: June 23, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Hoon Noh, Ho-Cheol Kang
  • Patent number: 9012898
    Abstract: An electrophoretic display device includes: a first substrate having a plurality of pixels formed in a plurality of vertical pixel rows and a plurality of horizontal pixel rows; a plurality of data lines formed at every vertical pixel row of the first substrate; a thin film transistor (TFT) formed at each pixel of the first substrate and including a source electrode, a drain electrode, an organic semiconductor layer, and a gate electrode; a passivation layer formed on the TFTs and the data lines of the first substrate and including a first contact hole exposing the drain electrode of the TFT and a second contact hole exposing the gate electrode of the TFT; a pixel electrode formed on the passivation layer at each pixel of the first substrate and connected with the drain electrode of the TFT via the first contact hole of the passivation layer; a plurality of gate lines formed on the passivation layer at every horizontal pixel row of the first substrate and connected with the gate electrode of the TFT via the s
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: April 21, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Min-Joo Kim, Ho-Cheol Kang, Dae-Won Kim, Young-Hoon Noh, Han-Saem Kang
  • Patent number: 8552416
    Abstract: The present invention relates to a quantum dot light emitting diode device in which a hole transportation layer is formed after forming a quantum dot light emitting layer by a solution process by applying an inverted type quantum dot light emitting diode device for making free selection of a hole transportation layer material that enables easy injection of a hole to the quantum dot light emitting layer; and display device and method therewith.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: October 8, 2013
    Assignees: LG Display Co., Ltd., SNU R&DB Foundation
    Inventors: Young-Mi Kim, Ho-Cheol Kang, Ho-Jin Kim, Chang-Hee Lee, Kook-Heon Char, Seong-Hoon Lee, Jeong-Hun Kwak, Wan-Ki Bae, Dong-Gu Lee, Jae-Hoon Lim
  • Patent number: 8377735
    Abstract: An electrophoretic display device includes: a first substrate having a plurality of pixels formed in a plurality of vertical pixel rows and a plurality of horizontal pixel rows; a plurality of data lines formed at every vertical pixel row of the first substrate; a thin film transistor (TFT) formed at each pixel of the first substrate and including a source electrode, a drain electrode, an organic semiconductor layer, and a gate electrode; a passivation layer formed on the TFTs and the data lines of the first substrate and including a first contact hole exposing the drain electrode of the TFT and a second contact hole exposing the gate electrode of the TFT; a pixel electrode formed on the passivation layer at each pixel of the first substrate and connected with the drain electrode of the TFT via the first contact hole of the passivation layer; a plurality of gate lines formed on the passivation layer at every horizontal pixel row of the first substrate and connected with the gate electrode of the TFT via the s
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: February 19, 2013
    Assignee: LG Display Co. Ltd.
    Inventors: Min-Joo Kim, Ho-Cheol Kang, Dae-Won Kim, Young-Hoon Noh, Han-Saem Kang
  • Patent number: 8174635
    Abstract: An electrostatic discharge protection element, a liquid crystal display device having the same, and a manufacturing method. A first ESD organic TFT, a second ESD organic TFT, a third ESD organic TFT each have a gate electrode, a source electrode and a drain electrode in which the source electrode and drain electrode of the first and second ESD organic TFTs and the gate electrode of the third ESD organic TFT are electrically connected. The gate electrode and the source electrode of the first ESD organic TFT are electrically connected to a first array line and the gate electrode and the drain electrode of the second ESD organic TFT are electrically connected to a second array line. The source electrode of the third ESD organic TFT is electrically connected to a data line or a gate line and the drain of the third ESD organic TFT are electrically connected to a common voltage line.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: May 8, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Min Joo Kim, Ho Cheol Kang, Kyo Seop Choo
  • Publication number: 20110291071
    Abstract: The present invention relates to a quantum dot light emitting diode device in which a hole transportation layer is formed after forming a quantum dot light emitting layer by a solution process by applying an inverted type quantum dot light emitting diode device for making free selection of a hole transportation layer material that enables easy injection of a hole to the quantum dot light emitting layer; and display device and method therewith.
    Type: Application
    Filed: May 25, 2011
    Publication date: December 1, 2011
    Inventors: Young-Mi Kim, Ho-Cheol Kang, Ho-Jin Kim, Chang-Hee Lee, Kook-Heon Char, Seong-Hoon Lee, Jeong-Hun Kwak, Wan-Ki Bae, Dong-Gu Lee, Jae-Hoon Lim
  • Publication number: 20110284819
    Abstract: The present invention relates to a quantum dot light emitting element which can form a quantum light emitting layer configured of charge transporting particles and quantum dots and a charge transporting layer in a solution process, to reduce process expense, and a method for manufacturing the same. The quantum dot light emitting element includes a substrate, an anode formed on the substrate, a quantum light emitting layer formed on the anode, the quantum light emitting layer having charge transporting particles and quantum dots mixed therein, and a cathode formed on the quantum light emitting layer.
    Type: Application
    Filed: May 20, 2011
    Publication date: November 24, 2011
    Inventors: Ho-Cheol Kang, Young-Hoon Noh, Chang-Hee Lee, Kook Heon Char, Seong-Hoon Lee, Jeong Hun Kwak, Wan Ki Bae, Jae Hoon Lim, Dong Gu Lee
  • Publication number: 20110249208
    Abstract: An electrostatic discharge protection element, a liquid crystal display device having the same, and a manufacturing method. A first ESD organic TFT, a second ESD organic TFT, a third ESD organic TFT each have a gate electrode, a source electrode and a drain electrode in which the source electrode and drain electrode of the first and second ESD organic TFTs and the gate electrode of the third ESD organic TFT are electrically connected. The gate electrode and the source electrode of the first ESD organic TFT are electrically connected to a first array line and the gate electrode and the drain electrode of the second ESD organic TFT are electrically connected to a second array line. The source electrode of the third ESD organic TFT is electrically connected to a data line or a gate line and the drain of the third ESD organic TFT are electrically connected to a common voltage line.
    Type: Application
    Filed: June 22, 2011
    Publication date: October 13, 2011
    Inventors: Min Joo Kim, Ho Cheol Kang, Kyo Seop Choo
  • Patent number: 7986382
    Abstract: An electrostatic discharge protection element, a liquid crystal display device having the same, and a manufacturing method. A first ESD organic TFT, a second ESD organic TFT, a third ESD organic TFT each have a gate electrode, a source electrode and a drain electrode in which the source electrode and drain electrode of the first and second ESD organic TFTs and the gate electrode of the third ESD organic TFT are electrically connected. The gate electrode and the source electrode of the first ESD organic TFT are electrically connected to a first array line and the gate electrode and the drain electrode of the second ESD organic TFT are electrically connected to a second array line. The source electrode of the third ESD organic TFT is electrically connected to a data line or a gate line and the drain of the third ESD organic TFT are electrically connected to a common voltage line.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: July 26, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Min Joo Kim, Ho Cheol Kang, Kyo Seop Choo
  • Publication number: 20110069265
    Abstract: An electrostatic discharge protection element, a liquid crystal display device having the same, and a manufacturing method. A first ESD organic TFT, a second ESD organic TFT, a third ESD organic TFT each have a gate electrode, a source electrode and a drain electrode in which the source electrode and drain electrode of the first and second ESD organic TFTs and the gate electrode of the third ESD organic TFT are electrically connected. The gate electrode and the source electrode of the first ESD organic TFT are electrically connected to a first array line and the gate electrode and the drain electrode of the second ESD organic TFT are electrically connected to a second array line. The source electrode of the third ESD organic TFT is electrically connected to a data line or a gate line and the drain of the third ESD organic TFT are electrically connected to a common voltage line.
    Type: Application
    Filed: December 2, 2010
    Publication date: March 24, 2011
    Inventors: Min Joo Kim, Ho Cheol Kang, Kyo Seop Choo
  • Publication number: 20110006290
    Abstract: An array substrate for a display device, including a substrate having a pixel region and a switching region, a source electrode and a drain electrode on the switching region of the substrate, ends of the source and drain electrodes having tapered edges, a pixel electrode in the pixel region of the substrate, the pixel electrode being connected to the drain electrode, an organic semiconductor layer on the source and drain electrodes, the organic semiconductor layer completely contacting tapered edges and a top surface of each of the source and drain electrodes, a first insulating layer on the organic semiconductor layer, and a gate electrode on the first insulating layer.
    Type: Application
    Filed: July 6, 2010
    Publication date: January 13, 2011
    Inventors: Young-Hoon NOH, Ho-Cheol Kang
  • Patent number: 7864254
    Abstract: An electrostatic discharge protection element, a liquid crystal display device having the same, and a manufacturing method. A first ESD organic TFT, a second ESD organic TFT, a third ESD organic TFT each have a gate electrode, a source electrode and a drain electrode in which the source electrode and drain electrode of the first and second ESD organic TFTs and the gate electrode of the third ESD organic TFT are electrically connected. The gate electrode and the source electrode of the first ESD organic TFT are electrically connected to a first array line and the gate electrode and the drain electrode of the second ESD organic TFT are electrically connected to a second array line. The source electrode of the third ESD organic TFT is electrically connected to a data line or a gate line and the drain of the third ESD organic TFT are electrically connected to a common voltage line.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: January 4, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Min Joo Kim, Ho Cheol Kang, Kyo Seop Choo
  • Publication number: 20100127249
    Abstract: An electrophoretic display device includes: a first substrate having a plurality of pixels formed in a plurality of vertical pixel rows and a plurality of horizontal pixel rows; a plurality of data lines formed at every vertical pixel row of the first substrate; a thin film transistor (TFT) formed at each pixel of the first substrate and including a source electrode, a drain electrode, an organic semiconductor layer, and a gate electrode; a passivation layer formed on the TFTs and the data lines of the first substrate and including a first contact hole exposing the drain electrode of the TFT and a second contact hole exposing the gate electrode of the TFT; a pixel electrode formed on the passivation layer at each pixel of the first substrate and connected with the drain electrode of the TFT via the first contact hole of the passivation layer; a plurality of gate lines formed on the passivation layer at every horizontal pixel row of the first substrate and connected with the gate electrode of the TFT via the s
    Type: Application
    Filed: November 13, 2009
    Publication date: May 27, 2010
    Inventors: Min-Joo Kim, Ho-Cheol KANG, Dae-Won KIM, Young-Hoon NOH, Han-Saem KANG
  • Patent number: 7646443
    Abstract: An array substrate for a liquid crystal display device includes a first source electrode and a first drain electrode on a substrate, wherein the first source electrode and the first drain electrode are separated from each other and formed of a metallic material, a second source electrode and a second drain electrode on the first source electrode and the first drain electrode, respectively, and are formed of a transparent conductive material, wherein the second source electrode covers an upper surface of the first source electrode, and the second drain electrode covers an upper surface of the first drain electrode, a pixel electrode on the substrate and contacting the second drain electrode on the substrate, an organic semiconductor layer on the substrate, a gate insulating layer on the organic semiconductor layer, and a gate electrode on the gate insulating layer.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: January 12, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Nack-Bong Choi, Ho-Cheol Kang, Dae-Won Kim