Patents by Inventor June Woo Lee

June Woo 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).

  • Publication number: 20130241562
    Abstract: A method for testing an array for a pixel circuit of an organic light emitting diode display, which includes a first transistor that transmits a driving current corresponding to a data signal to an organic light emitting diode according to a scan signal and at least one capacitor, uses an array test device having a control device and a driver. The method includes performing a first irradiation of electron beams to an exposed portion of a first electrode of the at least one capacitor before manufacturing of the organic light emitting diode is completed, calibrating the control device of the array test device based on secondary electrons output by the at least one capacitor, performing a second irradiation of electron beams to an anode of the pixel circuit, and detecting whether the first transistor is normally operated based on an output amount of secondary electrons output by the anode.
    Type: Application
    Filed: August 9, 2012
    Publication date: September 19, 2013
    Inventors: Guang hai JIN, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Hae-Yeon Lee, Jae-Hwan Oh, Seong-Jun Kim
  • Publication number: 20130200399
    Abstract: A display device includes a first insulation layer on a substrate, gate wires on the first insulation layer, the gate wires extending in a first direction, a second insulation layer on the gate wires, data wires on the second insulation layer, the data wires extending in a second direction crossing the first direction, pixels at intersection regions of gate wires and data wires, respectively, the pixels being connected to respective gate wires and data wires, and data leading diodes having an island form and connected to the data wires, the data leading diodes being configured to induce breakage of the first insulation layer when external static electricity passes through the data wires.
    Type: Application
    Filed: July 20, 2012
    Publication date: August 8, 2013
    Inventors: Guang hai JIN, Jae-Beom Choi, Kwan-Wook Jung, Moo-Jin Kim, Jae-Hwan Oh, June-Woo Lee
  • Publication number: 20130187167
    Abstract: A thin film transistor display panel includes a plurality of pixels arranged in a matrix format, the plurality of pixels include thin film transistors, respectively, a plurality of first signal lines connected with the pixels, a plurality of second signal lines connected with the pixels, the plurality of second signal lines cross the first signal lines in an insulated manner, at least one of the second signal lines includes a cut portion, and an organic repairing member overlaps the cut portion
    Type: Application
    Filed: June 27, 2012
    Publication date: July 25, 2013
    Inventors: Guang-Hai JIN, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Moo-Jin Kim, Se-Hun Park
  • Publication number: 20130176194
    Abstract: An organic light-emitting display apparatus includes a plurality of pixels, each defined by a scan line, a data line, and a power supply line, a plurality of control lines branching off of one wire in a first direction and simultaneously transferring control signals to the plurality of pixels; and a plurality of repair bridges placed between neighboring ones of the plurality of control lines, each of the plurality of repair bridges including a first bridge connected to one of the neighboring ones of the plurality of control lines and a second bridge connected to another one of the neighboring control lines.
    Type: Application
    Filed: August 20, 2012
    Publication date: July 11, 2013
    Inventors: Guang-Hai JIN, Jae-Beom CHOI, Kwan-Wook JUNG, June-Woo LEE, Seong-Jun KIM, Ga-Young KIM
  • Publication number: 20130162619
    Abstract: A display apparatus and a method of repairing a display apparatus are disclosed. According to one aspect, the display includes a plurality of unit pixels each including a plurality of sub pixels, scan lines branching off a scan wire in a first direction for each of the plurality of unit pixels and connecting the plurality of sub pixels emitting the same color as that of a neighboring unit pixel, data lines extending in a second direction orthogonal to the first direction and connected to the plurality of sub pixels, a first power supply line extending in the second direction and connected to the plurality of sub pixels, and second power supply lines extending in the first direction and connected to the first power supply line.
    Type: Application
    Filed: June 18, 2012
    Publication date: June 27, 2013
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Guang-Hai Jin
  • Publication number: 20130155033
    Abstract: An organic light emitting display device includes a pixel unit including a plurality of pixels formed in regions where a plurality of scan lines and a plurality of data lines cross each other, a first scan driving unit detecting a defect of the plurality of pixels by sequentially applying a first test signal to the plurality of scan lines, and a second scan driving unit detecting a defect of the plurality of pixels by simultaneously applying a second test signal to the plurality of scan lines.
    Type: Application
    Filed: June 20, 2012
    Publication date: June 20, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Guang-Hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Moo-Jin Kim, Ga-Young Kim
  • Publication number: 20130153939
    Abstract: An organic light emitting display device in which an upper electrode and power supply lines are connected through through-holes such that charges can be smoothly supplied to the upper electrode of the organic light emitting display device, making it possible to improve light emitting efficiency.
    Type: Application
    Filed: August 21, 2012
    Publication date: June 20, 2013
    Inventors: Won-Kyu Lee, June-Woo Lee, Young-Jin Chang, Jae-Hwan Oh, Seong-Hyun Jin
  • Publication number: 20130147773
    Abstract: A scan driving circuit includes a shift register configured to sequentially output a first scan signal to scan lines through respective first output lines during a first section of a frame period, a simultaneous switching block configured to simultaneously output a second scan signal to the scan lines through respective second output lines during a second section of the frame period, the first and second periods of the frame period being different from each other, a switching device electrically connected to the second output line, and a repair line across the first output line and the second output line.
    Type: Application
    Filed: May 22, 2012
    Publication date: June 13, 2013
    Inventors: Guang-Hai JIN, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Moo-Jin Kim, Jong-Hyun Choi
  • Patent number: 8455876
    Abstract: An OLED display including a substrate main body; a first gate electrode and a second semiconductor layer; a gate insulating layer on the first gate electrode and the second semiconductor layer; a first semiconductor layer and a second gate electrode overlying the first gate electrode and the second semiconductor layer, respectively; etching stopper layers contacting portions of the first semiconductor layer; an interlayer insulating layer on the first semiconductor layer and the second gate electrode and including contact holes exposing the plurality of etching stopper layers, respectively; a first source electrode and a first drain electrode on the interlayer insulating layer and the contact holes being indirectly connected to the first semiconductor layer via the etching stopper layers or directly connected to the first semiconductor layer; and a second source electrode and a second drain electrode on the interlayer insulating layer being connected to the second semiconductor layer.
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: June 4, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Hyun Choi, June-Woo Lee, Kwang-Hae Kim, Kyoung-Bo Kim
  • Publication number: 20130134423
    Abstract: A method of manufacturing an organic light-emitting display device is disclosed. The method includes: uniformly forming an active layer on an entire surface of a substrate on which an organic light-emitting diode, a thin film transistor (TFT), and a capacitor are to be formed; performing a first mask process on the active layer to form a pixel electrode of the organic light-emitting diode, a gate electrode of the TFT, and an upper electrode of the capacitor; performing a second mask process to form an insulating layer having openings that expose the pixel electrode, the upper electrode, and the active layer in a region of the TFT; performing a third mask process to form a source-drain electrode that contacts an exposed portion of the active layer; and performing a fourth mask process to form a pixel-defining layer (PDL) that exposes the pixel electrode and covers the TFT and the capacitor.
    Type: Application
    Filed: May 10, 2012
    Publication date: May 30, 2013
    Inventors: Guang-Hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Moo-Jin Kim
  • Publication number: 20130127808
    Abstract: A scan driving device includes: a first scan driving block group including scan driving blocks receiving at least two different clock signals among a plurality of scan driving blocks which are sequentially arranged; a second scan driving block group including scan driving blocks receiving at least two clock signals which are the same as at least two clock signals inputted to each of the scan driving blocks included in the first scan driving block group; first line transistors connected in parallel to scan lines of each of the scan driving blocks included in the first scan driving block group, and turned on or off according to a first line connection signal; and second line transistors connected in parallel to a scan line of each of the scan driving blocks included in the second scan driving block group and turned on or off according to a second line connection signal.
    Type: Application
    Filed: May 7, 2012
    Publication date: May 23, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Guang hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Se-Hun Park, Moo-Jin Kim
  • Publication number: 20130127472
    Abstract: An organic light emitting display apparatus includes: a substrate on which a display area and a non-display area are defined; a first electrode disposed over the display area; an intermediate layer that is disposed over the first electrode and includes an organic emissive layer; a second electrode disposed over the intermediate layer; and a plurality of detection patterns displaced over the non-display area, each of which includes a first electrically conductive pattern layer formed of the same material as the first electrode and a second electrically conductive pattern layer that is formed over the first electrically conductive pattern layer.
    Type: Application
    Filed: June 1, 2012
    Publication date: May 23, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Kwang-Hae Kim, Ga-Young Kim
  • Publication number: 20130119388
    Abstract: An OLED device includes: a TFT including an active layer, gate, source and drain electrodes, a first insulating layer between the active layer and the gate electrode, and a second insulating layer between the source and drain electrodes, a pixel electrode on the first and second insulating layers, connected to one of the source and drain electrodes, a capacitor including a first electrode on the same layer as the active layer, a second electrode on the same layer as the gate electrode, and a third electrode formed of the same material as the pixel electrode, a third insulating layer between the second insulating layer and the pixel electrode and between the second and third electrodes, a fourth insulating layer covering the source, drain and third electrodes, exposing a portion of the pixel electrode, an organic light-emitting layer on the pixel electrode, and a counter electrode on the organic light-emitting layer.
    Type: Application
    Filed: May 11, 2012
    Publication date: May 16, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Seong-Hyun Jin, Kwang-Hae Kim, Ga-Young Kim
  • Publication number: 20130056710
    Abstract: An organic light-emitting display apparatus includes a first insulating layer, a second insulating layer on the first insulating layer and including an unevenness portion, a third insulating layer on the second insulating layer, a pixel electrode on the third insulating layer, an opposite electrode facing the pixel electrode, and an organic emission layer between the pixel electrode and the opposite electrode; a thin film transistor including an active layer, a gate electrode, and source/drain electrodes connected to the active layer, the first insulating layer being between the active layer and the gate electrode and the second insulating layer being between the gate electrode, and the source/drain electrodes; and a capacitor including a lower electrode on a same layer as the gate electrode, a dielectric layer of a same material as the third insulating layer, and an upper electrode on a same layer as the pixel electrode.
    Type: Application
    Filed: March 22, 2012
    Publication date: March 7, 2013
    Inventors: Jae-Hwan Oh, Young-Jin Chang, Seong-Hyun Jin, Se-Hun Park, June-Woo Lee, Kwang-Hae Kim, Jong-Hyun Choi, Kwan-Kyu Lee, Won-Kyu Lee, Jae-Beom Choi
  • Publication number: 20130049029
    Abstract: An organic light-emitting display device includes a gate electrode, a source electrode, and a drain electrode on a substrate, a gate interconnection line connected to the gate electrode, a source and drain interconnection line connected to the source and drain electrodes, a first test pad electrically connected to the source and drain interconnection line, and a second test pad electrically connected to the gate interconnection line. The second test pad is at a same level as the first test pad, and the gate electrode is on a different layer than the source and drain electrodes.
    Type: Application
    Filed: March 13, 2012
    Publication date: February 28, 2013
    Inventors: Kwang-Hae KIM, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee
  • Publication number: 20130037818
    Abstract: An organic light-emitting display device includes a thin film transistor including an active layer, a gate electrode, source/drain electrodes, a first insulating layer between the active layer and the gate electrode, and a second insulating layer over the gate electrode; a pixel electrode on the first insulating layer and the second insulating layer and connected to the source or drain electrode; a first wire on the first insulating layer, of the same material as the gate electrode; a second wire on the second insulating layer to at least partially overlap the first wire and including a lower wiring layer of the same material as the pixel electrode and an upper wiring layer on the lower wiring layer, of the same material as the source/drain electrodes; and third insulating layers between the second insulating layer and the pixel electrode and between the second insulating layer and the second wire.
    Type: Application
    Filed: January 19, 2012
    Publication date: February 14, 2013
    Inventors: Hae-yeon LEE, Jin-gon Oh, Jae-Beom Choi, June-Woo Lee
  • Publication number: 20130015459
    Abstract: A thin film transistor (TFT) array substrate includes a TFT on a substrate, the TFT including an active layer, gate electrode, source electrode, drain electrode, first insulating layer between the active layer and the gate electrode, and second insulating layer between the gate electrode and the source and drain electrodes; a pixel electrode on the first insulating layer and the second insulating layer, the pixel electrode being connected to one of the source electrode and drain electrode; a capacitor including a lower electrode on a same layer as the gate electrode and an upper electrode including the same material as the pixel electrode; a third insulating layer directly between the second insulating layer and the pixel electrode and between the lower electrode and the upper electrode; and a fourth insulating layer covering the source electrode, the drain electrode, and the upper electrode, and exposing the pixel electrode.
    Type: Application
    Filed: December 12, 2011
    Publication date: January 17, 2013
    Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Jae-Hwan Oh, Seong-Hyun Jin, Kwang-Hae Kim, Jong-Hyun Choi
  • Patent number: 8354669
    Abstract: An organic light-emitting display device and a method of its manufacture are provided, whereby manufacturing processes are simplified and display quality may be enhanced. The display device includes: an active layer of a thin film transistor (TFT), on a substrate and including a semiconducting material; a lower electrode of a capacitor, on the substrate, doped with ion impurities, and including a semiconducting material; a first insulating layer on the substrate to cover the active layer and the lower electrode; a gate electrode of the TFT, on the first insulating layer; a pixel electrode on the first insulating layer; an upper electrode of the capacitor, on the first insulating layer; source and drain electrodes of the TFT, electrically connected to the active layer; an organic layer on the pixel electrode and including an organic emission layer; and a counter electrode facing the pixel electrode, the organic layer between the counter electrode and the pixel electrode.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: January 15, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Hyun No, Jong-Hyun Choi, Gun-Shik Kim, June-Woo Lee
  • Publication number: 20120319115
    Abstract: An organic light-emitting display device including a substrate; a thin film transistor on the substrate, the thin film transistor including an active layer, a gate electrode, and source and drain electrodes that are electrically connected to the active layer; a first resonance layer at the same layer level as the gate electrode; a second resonance layer on the first resonance layer, the second resonance layer being at the same layer level as the source and drain electrodes, and electrically connected to the source and drain electrodes; an insulating layer between the second resonance layer and the first resonance layer; an intermediate layer on the second resonance layer, the intermediate layer including a light-emitting layer; and an opposite electrode on the intermediate layer.
    Type: Application
    Filed: September 24, 2011
    Publication date: December 20, 2012
    Inventors: June-Woo Lee, Sang-Ho Moon
  • Publication number: 20120267670
    Abstract: An organic light-emitting display having an improved aperture ratio, the organic light-emitting display including a rear electrode, an opposite electrode, and a pixel electrode between the rear electrode and the opposite electrode. Here, an insulating layer is interposed between the pixel electrode and the rear electrode, wherein the pixel electrode, the insulating layer, and the rear electrode are configured as a capacitor of the organic light-emitting display. In such a structure, as the capacitor is disposed in a light-emitting area where the pixel electrode exists, it is not necessary to provide an additional space for a capacitor, thus improving an aperture ratio of the display.
    Type: Application
    Filed: September 23, 2011
    Publication date: October 25, 2012
    Inventors: June-Woo Lee, Jong-Moo Huh, Joon-Hoo Choi