Patents by Inventor Sun-Haeng Cho

Sun-Haeng Cho 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: 10001875
    Abstract: A touch panel and a method of fabricating the same are provided. The touch panel may include: a substrate; first sensing electrodes disposed on a first surface and arranged along a first direction and second sensing electrodes arranged along a second direction; at least one first connector connecting the first sensing electrodes in the first direction; a first insulating layer pattern disposed on the first connector; at least one second connector disposed on the first insulating layer pattern, intersecting the first connector, and connecting the second sensing electrodes in the second direction; and wires disposed on the first surface of the substrate in the peripheral area and electrically connected to the first sensing electrodes and the second sensing electrodes. The first connector includes a first light-transmitting conductive pattern disposed on the first surface of the substrate and a first light-blocking conductive pattern disposed on the first light-transmitting conductive pattern.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: June 19, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Kyun Park, Cheol Kyu Kim, Ki Hyun Cho, Sun Haeng Cho, Kyung Seop Kim, Jae Neung Kim
  • Patent number: 9990097
    Abstract: A touch screen panel includes a substrate, a sensing electrode, a connection wire, and a passivation layer. The substrate includes a first area and a second area disposed outside the first area. The sensing electrode is disposed in the first area. The connection wire is electrically connected to the sensing electrode, the connection wire being disposed in the second area. The passivation layer covers portions of the sensing electrode and the connection wire. The sensing electrode includes a first conductive layer disposed on the substrate. The connection wire includes a second conductive layer disposed on the substrate, a metal wiring layer disposed on the second conductive layer, and a capping layer disposed on the second conductive layer.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: June 5, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Kyun Park, Jae Neung Kim, Ki Hyun Cho, Sun Haeng Cho, Cheol Kyu Kim
  • Patent number: 9977522
    Abstract: A touch panel and a method of manufacturing the touch panel are provided. The touch panel includes a substrate comprising a wiring area and a sensor area, a sensing pattern located on a surface of the substrate in the sensor area, and a wiring line located on the surface of the substrate in the wiring area and electrically connected to the sensing pattern. The sensing pattern includes a plurality of first fine metal lines arranged irregularly in a mesh, and a first photosensitive layer pattern residue located between at least two of the first fine metal lines.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: May 22, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Hyun Cho, Cheol Kyu Kim, Sung kyun Park, Sun Haeng Cho
  • Publication number: 20180113545
    Abstract: A display device includes a substrate corresponding to a display area in which an image is displayed, and a non-display area at at least one side of the display area, a touch sensing device at the display area, first outer lines electrically connected to the touch sensing device, and located at a first non-display area that is a first portion of the non-display area, second outer lines connecting the first outer lines and the touch sensing device, a plurality of pixels at the display area, a driving circuit at the first non-display area for driving the pixels, and a power supply line electrically connected to the pixels and located at a second non-display area that is a second portion of the non-display area.
    Type: Application
    Filed: September 22, 2017
    Publication date: April 26, 2018
    Inventors: Jin Bo SHIM, Kyu Young KIM, Sun Haeng CHO, Jung Moo HONG
  • Patent number: 9946420
    Abstract: A touch screen panel includes a substrate including an active area, a non-active area at the periphery of the active area, and a contact area between the active area and the non-active area, sensing electrodes disposed in the active area, connecting lines disposed in the non-active area and the contact area and electrically connected to the sensing electrodes, and a metal capping layer disposed in the contact area, in which the sensing electrodes include a first overcoating layer disposed on the substrate as a conductor layer, and a second overcoating layer disposed on the first overcoating layer, the connecting lines include the first overcoating layer, the second overcoating layer, and a metal line layer disposed on the second overcoating layer, and the metal capping layer couple the metal line layer to the first overcoating layer through a contact hole to expose the first overcoating layer in the contact area.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: April 17, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Haeng Cho, Jae Neung Kim, Sung Kyun Park, Sang Kyu Choi, Kyung Seop Kim, Ki Hyun Cho
  • Publication number: 20180101270
    Abstract: A touch screen for a display device includes a base substrate having a sensing area, and a peripheral area disposed around the sensing area; an insulating layer including at least one contact hole; a sensor provided in the sensing area; and sensing lines connected to the sensor, the sensing lines comprising a first metal layer disposed in the periphery area, and a second metal layer electrically connected to the first metal layer through the contact hole. At least some of the sensing lines include a first portion adjacent to the contact hole, and a second portion spaced from the first portion, with the first portion and the second portion having different widths.
    Type: Application
    Filed: August 24, 2017
    Publication date: April 12, 2018
    Inventors: Sun Haeng CHO, Jung Moo Hong, Kyu Young Kim, Jin Bo Shim
  • Publication number: 20180095570
    Abstract: A display device includes: a plurality of light emitting elements; a pixel definition layer having a plurality of openings defining positions of the light emitting elements; an encapsulation layer on the light emitting elements and the pixel definition layer; an insulation layer on the encapsulation layer and having a smaller width than a portion of the pixel definition layer between two adjacent openings therein; and a plurality of touch sensing cells on the insulation layer.
    Type: Application
    Filed: June 8, 2017
    Publication date: April 5, 2018
    Inventors: Jung Moo HONG, Sun Haeng CHO, Kyu Young KIM, Jin Bo SHIM
  • Patent number: 9927934
    Abstract: A flexible touch panel includes a touch sensor unit disposed on a flexible substrate. The flexible touch panel includes a transparent conductive layer, a first transparent conductive oxide layer, and a second transparent conductive oxide layer that are sequentially deposited and sequentially contact each other.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: March 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Neung Kim, Sun Haeng Cho, Ki-Hyun Cho
  • Publication number: 20180047797
    Abstract: An organic light emitting diode display includes: a display module including a first organic light emitting diode to emit light with a first wavelength, a second organic light emitting diode to emit light with a second wavelength, and a third organic light emitting diode to emit light with a third wavelength; a phase difference layer including a first liquid crystal pattern on the first organic light emitting diode, and a second liquid crystal pattern on the second organic light emitting diode and the third organic light emitting diode; and a linear polarization layer on the phase difference layer.
    Type: Application
    Filed: October 2, 2017
    Publication date: February 15, 2018
    Inventors: Suk Choi, Hee Young Lee, Cheol Kyu Kim, Sun Haeng Cho, Hyun-Joo Hwang
  • Patent number: 9830031
    Abstract: A touch screen panel includes a substrate, touch electrodes disposed on a touch area of the substrate and configured to sense a touch, and a connection line disposed on the touch area, the connection line including a first end connected a touch electrode of the touch electrodes and a second end connected to a pad, the pad including a first conductive layer disposed on the substrate, a second conductive layer disposed on the first conductive layer, and a first protective conductive layer disposed on the second conductive layer, in which the touch electrode includes the first conductive layer, and the first protective conductive layer.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: November 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Neung Kim, Jong Hyun Choi, Jeong-Hwan Kim, Won Baek Lee, Ki-Hyun Cho, Kyung Seop Kim, Cheol Kyu Kim, Sung Kyun Park, Sun Haeng Cho
  • Publication number: 20170308232
    Abstract: A touch panel and a method of fabricating the same are provided. The touch panel may include: a substrate; first sensing electrodes disposed on a first surface and arranged along a first direction and second sensing electrodes arranged along a second direction; at least one first connector connecting the first sensing electrodes in the first direction; a first insulating layer pattern disposed on the first connector; at least one second connector disposed on the first insulating layer pattern, intersecting the first connector, and connecting the second sensing electrodes in the second direction; and wires disposed on the first surface of the substrate in the peripheral area and electrically connected to the first sensing electrodes and the second sensing electrodes. The first connector includes a first light-transmitting conductive pattern disposed on the first surface of the substrate and a first light-blocking conductive pattern disposed on the first light-transmitting conductive pattern.
    Type: Application
    Filed: July 10, 2017
    Publication date: October 26, 2017
    Inventors: Sung Kyun PARK, Cheol Kyu KIM, Ki Hyun CHO, Sun Haeng CHO, Kyung Seop KIM, Jae Neung KIM
  • Patent number: 9791987
    Abstract: A touch screen panel includes a substrate, a plurality of touch electrodes in a touch area of the substrate, the touch electrodes sensing a touch, a connection line connected to a touch electrode of the plurality of touch electrodes, and a pad connected to one end of the connection line. The pad includes a first pad, a second pad on the first pad within a boundary line of the first pad, and a third pad covering a top surface and a side surface of the second pad.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: October 17, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: So Young Koo, Jong Chan Lee, Yoon Ho Khang, Sun Haeng Cho
  • Patent number: 9786724
    Abstract: An organic light emitting diode display includes: a display module including a first organic light emitting diode to emit light with a first wavelength, a second organic light emitting diode to emit light with a second wavelength, and a third organic light emitting diode to emit light with a third wavelength; a phase difference layer including a first liquid crystal pattern on the first organic light emitting diode, and a second liquid crystal pattern on the second organic light emitting diode and the third organic light emitting diode; and a linear polarization layer on the phase difference layer.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: October 10, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Choi, Hee Young Lee, Cheol Kyu Kim, Sun Haeng Cho, Hyun-Joo Hwang
  • Patent number: 9733750
    Abstract: A touch panel and a method of fabricating the same are provided. The touch panel may include: a substrate; first sensing electrodes disposed on a first surface and arranged along a first direction and second sensing electrodes arranged along a second direction; at least one first connector connecting the first sensing electrodes in the first direction; a first insulating layer pattern disposed on the first connector; at least one second connector disposed on the first insulating layer pattern, intersecting the first connector, and connecting the second sensing electrodes in the second direction; and wires disposed on the first surface of the substrate in the peripheral area and electrically connected to the first sensing electrodes and the second sensing electrodes. The first connector includes a first light-transmitting conductive pattern disposed on the first surface of the substrate and a first light-blocking conductive pattern disposed on the first light-transmitting conductive pattern.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: August 15, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Kyun Park, Cheol Kyu Kim, Ki Hyun Cho, Sun Haeng Cho, Kyung Seop Kim, Jae Neung Kim
  • Publication number: 20170153744
    Abstract: A touch panel includes: first touch patterns disposed on a substrate, the first touch patterns being spaced apart from and electrically connected to one another; and second touch patterns partially overlapping the first touch patterns, the second touch patterns being spaced apart from and electrically connected to one another. A first touch pattern of the first touch patterns is disposed adjacent to different first touch patterns of the first touch patterns in at least two different directions.
    Type: Application
    Filed: July 15, 2016
    Publication date: June 1, 2017
    Inventors: Ki Nyeng KANG, Sun Haeng CHO
  • Publication number: 20170031484
    Abstract: A flexible touch panel includes a touch sensor unit disposed on a flexible substrate. The flexible touch panel includes a transparent conductive layer, a first transparent conductive oxide layer, and a second transparent conductive oxide layer that are sequentially deposited and sequentially contact each other.
    Type: Application
    Filed: January 28, 2016
    Publication date: February 2, 2017
    Inventors: Jae Neung KIM, Sun Haeng CHO, Ki-Hyun CHO
  • Publication number: 20160320885
    Abstract: A display device including a display panel including pixels, and a touch sensor disposed on the display pane. The touch sensor includes a touch substrate, sensing electrodes disposed on the touch substrate, a passivation layer covering the sensing electrodes on the touch substrate and a first low refractive layer disposed between the touch substrate and the passivation layer, and having a refractive index lower than a refractive index of the passivation layer.
    Type: Application
    Filed: November 9, 2015
    Publication date: November 3, 2016
    Inventors: Kyung Seop KIM, Sung Kyun PARK, Sang Kyu CHOI, Sang Youn HAN, Ki-Hyun CHO, Sun Haeng CHO
  • Publication number: 20160306470
    Abstract: A touch screen panel includes a substrate, a sensing electrode, a connection wire, and a passivation layer. The substrate includes a first area and a second area disposed outside the first area. The sensing electrode is disposed in the first area. The connection wire is electrically connected to the sensing electrode, the connection wire being disposed in the second area. The passivation layer covers portions of the sensing electrode and the connection wire. The sensing electrode includes a first conductive layer disposed on the substrate. The connection wire includes a second conductive layer disposed on the substrate, a metal wiring layer disposed on the second conductive layer, and a capping layer disposed on the second conductive layer.
    Type: Application
    Filed: March 17, 2016
    Publication date: October 20, 2016
    Inventors: Sung Kyun PARK, Jae Neung KIM, Ki Hyun CHO, Sun Haeng CHO, Cheol Kyu KIM
  • Publication number: 20160306475
    Abstract: A touch screen panel includes a substrate including an active area, a non-active area at the periphery of the active area, and a contact area between the active area and the non-active area, sensing electrodes disposed in the active area, connecting lines disposed in the non-active area and the contact area and electrically connected to the sensing electrodes, and a metal capping layer disposed in the contact area, in which the sensing electrodes include a first overcoating layer disposed on the substrate as a conductor layer, and a second overcoating layer disposed on the first overcoating layer, the connecting lines include the first overcoating layer, the second overcoating layer, and a metal line layer disposed on the second overcoating layer, and the metal capping layer couple the metal line layer to the first overcoating layer through a contact hole to expose the first overcoating layer in the contact area.
    Type: Application
    Filed: December 28, 2015
    Publication date: October 20, 2016
    Inventors: Sun Haeng CHO, Jae Neung KIM, Sung Kyun PARK, Sang Kyu CHOI, Kyung Seop KIM, Ki Hyun CHO
  • Publication number: 20160306474
    Abstract: An exemplary embodiment discloses a touch panel including: a substrate; an organic layer disposed on the substrate; and a touch sensor unit disposed on a surface of the organic layer.
    Type: Application
    Filed: October 27, 2015
    Publication date: October 20, 2016
    Inventors: Sun Haeng Cho, Kyung Seop Kim, Cheol Kyu Kim, Ki-Hyun Cho, Sang Youn Han