Patents by Inventor Chun-Seok Ko

Chun-Seok Ko 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: 10395603
    Abstract: A display device includes a display panel including pixels, a data driver configured to provide a data signal and an emission voltage to the pixels through the data lines, a scan driver configured to provide a scan signal to the pixels through the scan lines, a power voltage provider configured to provide a high power voltage to the pixels through a high power voltage line and to provide a low power voltage to the pixels through a low power voltage line, and a timing controller configured to generate control signals that control the data driver and the scan driver. The display panel includes a power controller that determines whether the data line is coupled to the high power voltage line or to the low power voltage line.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: August 27, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Na Kang, Chun-Seok Ko, Se-Ho Kim
  • Publication number: 20170243545
    Abstract: A display device includes a display panel including pixels, a data driver configured to provide a data signal and an emission voltage to the pixels through the data lines, a scan driver configured to provide a scan signal to the pixels through the scan lines, a power voltage provider configured to provide a high power voltage to the pixels through a high power voltage line and to provide a low power voltage to the pixels through a low power voltage line, and a timing controller configured to generate control signals that control the data driver and the scan driver. The display panel includes a power controller that determines whether the data line is coupled to the high power voltage line or to the low power voltage line.
    Type: Application
    Filed: February 17, 2017
    Publication date: August 24, 2017
    Inventors: Ji-Na KANG, Chun-Seok KO, Se-Ho KIM
  • Patent number: 8907561
    Abstract: An embodiment provides an organic light emitting diode display device that includes a substrate; a display unit formed on the substrate and including a common power supply line and a common electrode; a sealing substrate attached to the substrate by a bonding layer which surrounds the display unit, the sealing substrate including a resin base and a carbon fiber, and the sealing substrate including a first through-hole and a second through-hole; a first conductive unit formed on an inner surface and an outer surface of the sealing substrate through the first through-hole, and the first conductive unit supplying a first signal to the common power supply line; and a second conductive unit formed on both the inner surface and the outer surface of the sealing substrate through the second through-hole, and the second conductive unit supplying a second signal to the common electrode.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: December 9, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do-Hyung Ryu, Chun-Seok Ko, Sang-Soo Kim
  • Patent number: 8847246
    Abstract: An organic light emitting diode display is disclosed. The organic light emitting diode display includes a base substrate including a display area and a non-display area around the display area, a plurality of pixels formed over the display area of the base substrate, the plurality of pixels including a common electrode, a common power line formed over the base substrate and electrically connected to a circuit of each of the plurality of pixels, an encapsulation substrate bonded to the base substrate by a sealing member surrounding the plurality of pixels, the encapsulation substrate including an inner surface facing the base substrate, a first conductive layer formed over the inner surface and electrically connecting the common power line to a first potential, and a second conductive layer formed over the inner surface and spaced apart from the first conductive layer, the second conductive layer electrically connecting the common electrode to a second potential.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: September 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do-Hyung Ryu, Chun-Seok Ko, Kie Hyun Nam
  • Patent number: 8779659
    Abstract: An embodiment provides an organic light emitting diode display device that includes a substrate; a display unit formed on the substrate and including a common power supply line and a common electrode; a sealing substrate attached to the substrate by a bonding layer which surrounds the display unit, the sealing substrate including a resin base and a carbon fiber, and the sealing substrate including a first through-hole and a second through-hole; a first conductive unit formed on an inner surface and an outer surface of the sealing substrate through the first through-hole, and the first conductive unit supplying a first signal to the common power supply line; and a second conductive unit formed on both the inner surface and the outer surface of the sealing substrate through the second through-hole, and the second conductive unit supplying a second signal to the common electrode.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: July 15, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do-Hyung Ryu, Chun-Seok Ko, Sang-Soo Kim
  • Patent number: 8710736
    Abstract: An organic light emitting display (OLED) apparatus has an improved structure so as to decrease a capacitance load between a power line and a control signal line. The OLED display apparatus includes a first substrate on which a thin film transistor (TFT) and an organic light emitting diode are disposed; a second substrate facing towards and spaced apart from the first substrate; a power line via which a voltage is applied to the source and drain electrodes of the TFT, and to the second electrode of the OLED; and a control signal line providing a control signal to the embedded circuit so as to control timing for supplying current to the gate electrode of the TFT. The control signal line is laid-out at an outer portion of the first substrate with respect to a position of the power line.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: April 29, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do-Hyung Ryu, Chun-Seok Ko, Sang-Soo Kim
  • Patent number: 8643002
    Abstract: An organic light emitting diode display includes a substrate, a display unit that includes a common power line and a common electrode, an encapsulation substrate that is attached to the substrate by an adhering layer enclosing the display unit and includes a resin matrix and a plurality of carbon fiber. The display includes a first conductive portion and a second conductive portion. The first conductive portion is on a first inner surface region, a first side surface region, and a first outer surface region of the encapsulation substrate. The first conductive portion is adapted to supply a first electrical signal to the common power line. The second conductive portion is on a second inner surface region, a second side surface region, and a second outer surface region of the encapsulation substrate. The second conductive portion is adapted to supply a second electrical signal to the common electrode.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: February 4, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do-Hyung Ryu, Chun-Seok Ko, Sang-Soo Kim
  • Patent number: 8638326
    Abstract: An organic light emitting diode (OLED) display includes: a display panel including a display area having an organic light emitting element for emitting light and a plurality of peripheral areas neighboring the display area; a driver corresponding to one of the plurality of peripheral areas and supplying driving power to the organic light emitting element; a plurality of power transferring units respectively corresponding to the plurality of peripheral areas thereby being respectively connected to the display panel and receiving the driving power from the driver thereby supplying the driving power to the organic light emitting element; and a power connecting unit connecting between the driver and the power transferring unit and at least one power connecting unit between the neighboring power transferring units among the plurality of power transferring units and transmitting the driving power from the driver to the power transferring unit.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: January 28, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Chun-Seok Ko
  • Patent number: 8436529
    Abstract: An organic light emitting display includes: an organic light emitting display panel including a display unit; pixel power source out lead bonding (OLB) pads located on first through fourth external side edges of the display unit to supply a pixel power to the display unit; pixel power source lines coupled to the pixel power source OLB pads to provide the pixel power to the display unit; pixel power supply flexible printed circuit boards bonded to the pixel power source OLB pads; signal OLB pads located on at least one external side edge among the first through fourth external side edges to supply a plurality of driving signals to the display unit; signal lines coupled to the signal OLB pads to provide the driving signals to the display unit; and tape carrier packages mounted with driving ICs and bonded to the signal OLB pads.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: May 7, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chun-Seok Ko, Jang-Doo Lee
  • Patent number: 8421353
    Abstract: Embodiments may include an OLED display including a substrate, a display unit over the substrate and including a plurality of pixels, a conductive contact layer outside the display unit at a distance from the display unit, and a sealing member facing the display unit and fixed to the substrate by the conductive contact layer. The sealing member may include a plurality of metal layers laminated with an insulating adhesive layer, the insulating adhesive layer being between the metal layers, and a supporting layer neighboring the metal layers with the insulating adhesive layer being between the supporting layer and the metal layers. The plurality of metal layers may be electrically connected to the display unit through the conductive contact layer.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: April 16, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Gyun Ra, Jang-Doo Lee, Chun-Seok Ko
  • Patent number: 8258523
    Abstract: A display device fabricated with a substrate; a display unit disposed on the substrate and including an electrode; a conductive protruding portion disposed along an outer side of the display unit and electrically connected to the electrode; a sealing substrate fixed to the substrate by an adhering layer surrounding substrate at the display unit and the conductive protruding portion, the adhering layer including a resin and a plurality of carbon fibers impregnated with the resin, and the sealing substrate including a through hole; a metal layer disposed at one side of the sealing substrate, facing the substrate, and contacting the conductive protruding portion electrically connected with the electrode; and a conductive connection portion filling the through hole and contacting the metal layer.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: September 4, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Hae-Yeon Lee, Chun-Seok Ko
  • Publication number: 20120146491
    Abstract: Embodiments may include an OLED display including a substrate, a display unit over the substrate and including a plurality of pixels, a conductive contact layer outside the display unit at a distance from the display unit, and a sealing member facing the display unit and fixed to the substrate by the conductive contact layer. The sealing member may include a plurality of metal layers laminated with an insulating adhesive layer, the insulating adhesive layer being between the metal layers, and a supporting layer neighboring the metal layers with the insulating adhesive layer being between the supporting layer and the metal layers. The plurality of metal layers may be electrically connected to the display unit through the conductive contact layer.
    Type: Application
    Filed: September 23, 2011
    Publication date: June 14, 2012
    Inventors: Dong-Gyun Ra, Jung-Doo Lee, Chun-Seok Ko
  • Publication number: 20120097987
    Abstract: An organic light emitting diode display includes a substrate, a display unit that includes a common power line and a common electrode, an encapsulation substrate that is attached to the substrate by an adhering layer enclosing the display unit and includes a resin matrix and a plurality of carbon fiber. The display includes a first conductive portion and a second conductive portion. The first conductive portion is on a first inner surface region, a first side surface region, and a first outer surface region of the encapsulation substrate. The first conductive portion is adapted to supply a first electrical signal to the common power line. The second conductive portion is on a second inner surface region, a second side surface region, and a second outer surface region of the encapsulation substrate. The second conductive portion is adapted to supply a second electrical signal to the common electrode.
    Type: Application
    Filed: April 15, 2011
    Publication date: April 26, 2012
    Inventors: Do-Hyung Ryu, Chun-Seok Ko, Sang-Soo Kim
  • Publication number: 20120075261
    Abstract: An organic light emitting display (OLED) apparatus has an improved structure so as to decrease a capacitance load between a power line and a control signal line. The OLED display apparatus includes a first substrate on which a thin film transistor (TFT) and an organic light emitting diode are disposed; a second substrate facing towards and spaced apart from the first substrate; a power line via which a voltage is applied to the source and drain electrodes of the TFT, and to the second electrode of the OLED; and a control signal line providing a control signal to the embedded circuit so as to control timing for supplying current to the gate electrode of the TFT. The control signal line is laid-out at an outer portion of the first substrate with respect to a position of the power line.
    Type: Application
    Filed: April 22, 2011
    Publication date: March 29, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Do-Hyung Ryu, Chun-Seok Ko, Sang-Soo Kim
  • Publication number: 20120044221
    Abstract: An organic light emitting display includes: an organic light emitting display panel including a display unit; pixel power source out lead bonding (OLB) pads located on first through fourth external side edges of the display unit to supply a pixel power to the display unit; pixel power source lines coupled to the pixel power source OLB pads to provide the pixel power to the display unit; pixel power supply flexible printed circuit boards bonded to the pixel power source OLB pads; signal OLB pads located on at least one external side edge among the first through fourth external side edges to supply a plurality of driving signals to the display unit; signal lines coupled to the signal OLB pads to provide the driving signals to the display unit; and tape carrier packages mounted with driving ICs and bonded to the signal OLB pads.
    Type: Application
    Filed: December 10, 2010
    Publication date: February 23, 2012
    Inventors: Chun-Seok Ko, Jang-Doo Lee
  • Publication number: 20120025229
    Abstract: A display device fabricated with a substrate; a display unit disposed on the substrate and including an electrode; a conductive protruding portion disposed along an outer side of the display unit and electrically connected to the electrode; a sealing substrate fixed to the substrate by an adhering layer surrounding substrate at the display unit and the conductive protruding portion, the adhering layer including a resin and a plurality of carbon fibers impregnated with the resin, and the sealing substrate including a through hole; a metal layer disposed at one side of the sealing substrate, facing the substrate, and contacting the conductive protruding portion electrically connected with the electrode; and a conductive connection portion filling the through hole and contacting the metal layer.
    Type: Application
    Filed: April 29, 2011
    Publication date: February 2, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Hae-Yeon Lee, Chun-Seok Ko
  • Publication number: 20120025700
    Abstract: An embodiment provides an organic light emitting diode display device that includes a substrate; a display unit formed on the substrate and including a common power supply line and a common electrode; a sealing substrate attached to the substrate by a bonding layer which surrounds the display unit, the sealing substrate including a resin base and a carbon fiber, and the sealing substrate including a first through-hole and a second through-hole; a first conductive unit formed on an inner surface and an outer surface of the sealing substrate through the first through-hole, and the first conductive unit supplying a first signal to the common power supply line; and a second conductive unit formed on both the inner surface and the outer surface of the sealing substrate through the second through-hole, and the second conductive unit supplying a second signal to the common electrode.
    Type: Application
    Filed: July 22, 2011
    Publication date: February 2, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Do-Hyung Ryu, Chun-Seok Ko, Sang-Soo Kim
  • Publication number: 20110291119
    Abstract: An organic light emitting diode display is disclosed. The organic light emitting diode display includes a base substrate including a display area and a non-display area around the display area, a plurality of pixels formed over the display area of the base substrate, the plurality of pixels including a common electrode, a common power line formed over the base substrate and electrically connected to a circuit of each of the plurality of pixels, an encapsulation substrate bonded to the base substrate by a sealing member surrounding the plurality of pixels, the encapsulation substrate including an inner surface facing the base substrate, a first conductive layer formed over the inner surface and electrically connecting the common power line to a first potential, and a second conductive layer formed over the inner surface and spaced apart from the first conductive layer, the second conductive layer electrically connecting the common electrode to a second potential.
    Type: Application
    Filed: April 14, 2011
    Publication date: December 1, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Do-Hyung RYU, Chun-Seok KO, Kie Hyun NAM
  • Patent number: 7999466
    Abstract: A display device includes a display panel having a display region formed with a plurality of thin film transistors, a light emitting layer disposed in the display region, and a driver supplying a driving signal including a gate signal and a data signal to the thin film transistors. At least one voltage pad is disposed outside of the display region on the display panel to supply a reference voltage to the display region, a power generator generates the reference voltage, and a flexible film is connected between the voltage pad and the power generator to transmit the reference voltage. At least one of the driver and the power generator includes an external power input unit that receives external power.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: August 16, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-Sik Koh, Chun-Seok Ko, Byoung-Seong Jeong, Si-Duk Sung
  • Publication number: 20110164023
    Abstract: An organic light emitting diode (OLED) display includes: a display panel including a display area having an organic light emitting element for emitting light and a plurality of peripheral areas neighboring the display area; a driver corresponding to one of the plurality of peripheral areas and supplying driving power to the organic light emitting element; a plurality of power transferring units respectively corresponding to the plurality of peripheral areas thereby being respectively connected to the display panel and receiving the driving power from the driver thereby supplying the driving power to the organic light emitting element; and a power connecting unit connecting between the driver and the power transferring unit and at least one power connecting unit between the neighboring power transferring units among the plurality of power transferring units and transmitting the driving power from the driver to the power transferring unit.
    Type: Application
    Filed: June 25, 2010
    Publication date: July 7, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventor: Chun-Seok Ko