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).

  • Patent number: 9152251
    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: Grant
    Filed: May 22, 2012
    Date of Patent: October 6, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Guang-Hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Moo-Jin Kim, Jong-Hyun Choi
  • Patent number: 9142163
    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: Grant
    Filed: June 20, 2012
    Date of Patent: September 22, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Guang-Hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Moo-Jin Kim, Ga-Young Kim
  • Patent number: 9105593
    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: Grant
    Filed: July 20, 2012
    Date of Patent: August 11, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Guang hai Jin, Jae-Beom Choi, Kwan-Wook Jung, Moo-Jin Kim, Jae-Hwan Oh, June-Woo Lee
  • Publication number: 20150214252
    Abstract: A thin film transistor (TFT) array substrate is provided that includes a TFT on a substrate. The TFT can include 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 is disposed on the first and second insulating layers. A capacitor including a lower electrode is disposed on a same layer as the gate electrode and an upper electrode. A third insulating layer directly between the second insulating layer and the pixel electrode and between the lower electrode and the upper electrode. A fourth insulating layer covers the source electrode, the drain electrode, and the upper electrode, and exposes the pixel electrode and can further expose a pad electrode.
    Type: Application
    Filed: April 2, 2015
    Publication date: July 30, 2015
    Inventors: June-Woo LEE, Jae-Beom CHOI, Kwan-Wook JUNG, Jae-Hwan OH, Seong-Hyun JIN, Kwang-Hae KIM, Jong-Hyun CHOI
  • Patent number: 9093027
    Abstract: A display device includes a plurality of pixels, each pixel including an organic light emitting diode (OLED) and a driving transistor, a sustain power supply unit applying a first sustain voltage to a plurality of data lines connected to the plurality of pixels, and a data driver applying one of a data signal and a second sustain voltage to the plurality of data lines. For each pixel, the sustain power supply unit applies the first sustain voltage as a first level voltage to reset a gate voltage of the driving transistor and applies the first sustain voltage as a second level voltage to increase the gate voltage of the driving transistor. When an anode voltage of the OLED in each pixel is discharged to be reset, the anode voltage of the OLED is controlled according to a voltage difference between the first level voltage and the second level voltage.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: July 28, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Guang hai Jin, Dong-Gyu Kim, Kwan-Wook Jung, Ho-Young Kim, June-Woo Lee, In-Ho Choi
  • Patent number: 9070650
    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: Grant
    Filed: June 1, 2012
    Date of Patent: June 30, 2015
    Assignee: Samsung Display Co. Ltd.
    Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Kwang-Hae Kim, Ga-Young Kim
  • Patent number: 9070598
    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: Grant
    Filed: June 27, 2012
    Date of Patent: June 30, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Guang-Hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Moo-Jin Kim, Se-Hun Park
  • Patent number: 9029900
    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: November 7, 2012
    Date of Patent: May 12, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Hyun No, Jong-Hyun Choi, Gun-Shik Kim, June-Woo Lee
  • Patent number: 9024523
    Abstract: An organic light emitting display apparatus includes a pixel part including a pixel electrode, a light emitting layer and an opposite electrode, and a contact part in which the opposite electrode contacts a power line, wherein a first thickness of the opposite electrode in the pixel part is different from a second thickness of the opposite electrode in the contact part.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Beohm-Rock Choi, Myung-Koo Hur, Jae-Ho Lee, Woo-Sik Jun, Hyun-Been Hwang
  • Patent number: 9018947
    Abstract: A pixel includes an organic light emitting diode, a first transistor that is connected to a first power source and that supplies a driving current according to a corresponding data voltage to the organic light emitting diode, a second transistor that is connected to a scan line and that transmits the corresponding data voltage from a data line to a driving transistor according to a scan signal transmitted from the scan line, and a first capacitor including one electrode connected to a gate electrode of the first transistor. The first capacitor stores the corresponding data voltage as a first voltage and a size of the first capacitor is in a range of about 2 times to about 4 times a size of a gate insulating layer of the first transistor.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Guang hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Moo-Jin Kim, Jee-Hoon Kim
  • Patent number: 9006967
    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: Grant
    Filed: August 20, 2012
    Date of Patent: April 14, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Guang-Hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Seong-Jun Kim, Ga-Young Kim
  • Patent number: 9000444
    Abstract: A thin film transistor (TFT) array substrate is provided that includes a TFT on a substrate. The TFT can include 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 is disposed on the first and second insulating layers. A capacitor including a lower electrode is disposed on a same layer as the gate electrode and an upper electrode. A third insulating layer directly between the second insulating layer and the pixel electrode and between the lower electrode and the upper electrode. A fourth insulating layer covers the source electrode, the drain electrode, and the upper electrode, and exposes the pixel electrode and can further expose a pad electrode.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Jae-Hwan Oh, Seong-Hyun Jin, Kwang-Hae Kim, Jong-Hyun Choi
  • Publication number: 20150079703
    Abstract: An organic light emitting diode (OLED) display includes a substrate where a plurality of pixels are formed, a first pixel defining layer on the substrate, the first pixel defining layer dividing the plurality of pixels, a connection wire on the first pixel defining layer, the connection wire electrically connecting two adjacent pixels, and a second pixel defining layer on the first pixel defining layer, the second pixel defining layer covering the connection wire.
    Type: Application
    Filed: November 21, 2014
    Publication date: March 19, 2015
    Inventors: Guang hai JIN, Jae-Beom CHOI, Kwan-Wook JUNG, June-Woo LEE, Moo-Jin KIM, Ga-Young KIM
  • Patent number: 8969106
    Abstract: A laser irradiation apparatus including a chamber configured to receive a panel including an organic layer on a substrate, a laser oscillator outside the chamber, and configured to irradiate a laser beam onto the panel in the chamber, and a transparent window at a side of the chamber, and configured to allow the laser beam to pass therethrough, wherein the laser beam is configured to remove at least a portion of the organic layer on the substrate.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: March 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Kwan-Wook Jung, Guang-Hai Jin, Jae-Beom Choi
  • Publication number: 20150048835
    Abstract: A device for inspecting an organic light-emitting display apparatus includes a power supply unit, a power receiving unit, a wiring location sensing unit, and a control unit. The power supply unit applies an AC signal to each of wirings arranged in the organic light-emitting display apparatus. The power receiving unit senses an electrical signal from each of the wirings. The wiring location sensing unit senses a location of each of the wirings. The control unit determines whether each of the wirings has a defect based on the sensed electrical signal and information pertaining to each wiring type of the wirings.
    Type: Application
    Filed: April 24, 2014
    Publication date: February 19, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: JUNE-WOO LEE, KWAN-WOOK JUNG, GUANG-HAI JIN, JAE-BEOM CHOI
  • Publication number: 20150009106
    Abstract: A display apparatus including: a unit pixel including sub-pixels, each sub-pixel including an emission area including a light emitting element and a circuit area including a switching transistor to control the light emitting element; a scan line extending in a first direction and connected to the unit pixel; a branch line extending from the scan line in a second direction crossing the first direction, and connected to the each of the sub-pixels; and data lines extending in the second direction and respectively connected to the sub-pixels.
    Type: Application
    Filed: March 26, 2014
    Publication date: January 8, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: June-Woo LEE, Dong-Gyu Kim, Beohm-Rock Choi, Jae-Ho Lee, Myung-Koo Hur
  • Patent number: 8928648
    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: Grant
    Filed: May 7, 2012
    Date of Patent: January 6, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Guang hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Se-Hun Park, Moo-Jin Kim
  • Publication number: 20140354141
    Abstract: An organic light emitting display apparatus includes a pixel part including a pixel electrode, a light emitting layer and an opposite electrode, and a contact part in which the opposite electrode contacts a power line, wherein a first thickness of the opposite electrode in the pixel part is different from a second thickness of the opposite electrode in the contact part.
    Type: Application
    Filed: September 11, 2013
    Publication date: December 4, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Beohm-Rock Choi, Myung-Koo Hur, Jae-Ho Lee, Woo-Sik Jun, Hyun-Been Hwang
  • Patent number: 8901936
    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: Grant
    Filed: August 9, 2012
    Date of Patent: December 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Guang hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Hae-Yeon Lee, Jae-Hwan Oh, Seong-Jun Kim
  • Patent number: 8901577
    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: Grant
    Filed: March 13, 2012
    Date of Patent: December 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang-Hae Kim, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee