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: 8845378
    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: Grant
    Filed: June 18, 2012
    Date of Patent: September 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: June Woo Lee, Jae Beom Choi, Kwan Wook Jung, Guang Hai Jin
  • Patent number: 8847231
    Abstract: An organic light emitting display device includes a substrate, a thin film transistor formed on the substrate and including an active layer, a gate electrode including a gate lower electrode and a gate upper electrode, a source electrode, and a drain electrode, an organic light emitting device electrically connected to the thin film transistor, wherein a pixel electrode formed of the same material as at least a part of the gate electrode in the same layer, an intermediate layer including a light emitting layer, and an opposed electrode arranged to face the pixel electrode are sequentially deposited.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: September 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Chun-Gi You, Joon-Hoo Choi
  • Patent number: 8804062
    Abstract: A thin film transistor and a display apparatus include: a substrate; a plurality of first conductive lines formed on the substrate, each including a main body and a curved portion connected to the main body; a plurality of second conductive lines crossing the curved portions of the first conductive lines; and a plurality of pixel electrodes formed adjacent to the first conductive lines. The plurality of pixel electrodes includes a first pixel electrode disposed toward a side of one first conductive line, and a second pixel electrode disposed toward the other side of the one first conductive line. The display apparatus also includes an intermediate layer connected to the pixel electrodes for displaying images and an opposite electrode formed thereon.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: August 12, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Guang-Hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Sung-Soo Choi, Seong-Jun Kim
  • Patent number: 8785937
    Abstract: An organic light-emitting display apparatus that includes a thin film transistor comprising an active layer, a gate electrode, and source and drain electrodes electrically connected to the active layer; a pixel electrode formed on the same layer as the gate electrode; a light-emitting layer formed on the pixel electrode; a passivation layer formed on upper surfaces of the source and drain electrodes and upper surfaces of wirings formed on the same layer as the source and drain electrodes; an organic insulating layer that covers the thin film transistor, comprises an opening that exposes an upper surface of the pixel electrode, and directly contacts the passivation layer; and a facing electrode that is formed on the light-emitting layer, and is formed to directly contact the organic insulating layer to face the pixel electrode.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 22, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Joon-Hoo Choi
  • Patent number: 8772777
    Abstract: In an organic light-emitting display device and a method of manufacturing the same, the organic light-emitting display device comprises: a substrate in which a light-emitting region and a thin-film transistor (TFT) region are defined; and a plurality of insulating films formed on the substrate. A refractive index changes at only one of the interfaces between insulating films, which correspond to the light-emitting region and are formed between the substrate and a first electrode of an organic electroluminescence display element, and a refractive index changes at two or more of the interfaces between insulating films which correspond to the TFT region.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: July 8, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Sung-Ho Kim
  • Patent number: 8766265
    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: Grant
    Filed: May 11, 2012
    Date of Patent: July 1, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Seong-Hyun Jin, Kwang-Hae Kim, Ga-Young Kim
  • Publication number: 20140179051
    Abstract: A method of forming an organic light-emitting display in which a pixel electrode is formed by extending from source and drain electrodes, a capacitor including a thin upper capacitor electrode formed below the pixel electrode and constituting a metal-insulator-metal (MIM) CAP structure, thereby simplifying manufacturing processes, increasing an aperture ratio, and improving a voltage design margin.
    Type: Application
    Filed: February 24, 2014
    Publication date: June 26, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventor: June-Woo Lee
  • Publication number: 20140141557
    Abstract: An organic light emitting display device includes a substrate, a thin film transistor formed on the substrate and including an active layer, a gate electrode including a gate lower electrode and a gate upper electrode, a source electrode, and a drain electrode, an organic light emitting device electrically connected to the thin film transistor, wherein a pixel electrode formed of the same material as at least a part of the gate electrode in the same layer, an intermediate layer including a light emitting layer, and an opposed electrode arranged to face the pixel electrode are sequentially deposited.
    Type: Application
    Filed: November 29, 2013
    Publication date: May 22, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Chun-Gi You, Joon-Hoo Choi
  • Patent number: 8704235
    Abstract: A flat panel display including a semiconductor circuit, and a method of manufacturing the semiconductor circuit are disclosed. In one embodiment, the semiconductor circuit includes i) a substrate, ii) a semiconductor layer and a first capacitor electrode formed on the substrate, the first capacitor electrode being doped to be conductive, iii) an insulating layer covering the semiconductor layer and the first capacitor electrode, iv) a gate electrode disposed on the insulating layer and corresponding to a portion of the semiconductor layer, and v) a second capacitor electrode disposed on the insulating layer and corresponding to the first capacitor electrode, wherein the gate electrode is thicker than the second capacitor electrode.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: April 22, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul-Kyu Kang, Do-Hyun Kwon, Ju-Won Yoon, Jong-Hyun Choi, June-Woo Lee
  • Patent number: 8704237
    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: Grant
    Filed: January 19, 2012
    Date of Patent: April 22, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hae-yeon Lee, Jin-Gon Oh, Jae-Beom Choi, June-Woo Lee
  • Publication number: 20140099738
    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: Application
    Filed: March 14, 2013
    Publication date: April 10, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: June-Woo Lee, Kwan-Wook Jung, Guang-Hai Jin, Jae-Beom Choi
  • Patent number: 8692254
    Abstract: An organic light-emitting display device in which a pixel electrode is formed by extending from source and drain electrodes, a capacitor including a thin upper capacitor electrode formed below the pixel electrode and constituting a metal-insulator-metal (MIM) CAP structure, thereby simplifying manufacturing processes, increasing an aperture ratio, and improving a voltage design margin.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: April 8, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: June-Woo Lee
  • Publication number: 20140071027
    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: Application
    Filed: January 28, 2013
    Publication date: March 13, 2014
    Inventors: Guang hai JIN, Dong-Gyu KIM, Kwan-Wook JUNG, Ho-Young KIM, June-Woo LEE, In-Ho CHOI
  • Patent number: 8669548
    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: Grant
    Filed: March 22, 2012
    Date of Patent: March 11, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Hwan Oh, Young-Jin Chang, Seong-Hyun Jin, Se-Hun Park, June-Woo Lee, Kwang-Hae Kim, Jong-Hyun Choi, Kwan-Wook Jung, Won-Kyu Lee, Jae-Beom Choi
  • Patent number: 8624249
    Abstract: An organic light emitting display device includes a substrate, a thin film transistor formed on the substrate and including an active layer, a gate electrode including a gate lower electrode and a gate upper electrode, a source electrode, and a drain electrode, an organic light emitting device electrically connected to the thin film transistor, wherein a pixel electrode formed of the same material as at least a part of the gate electrode in the same layer, an intermediate layer including a light emitting layer, and an opposed electrode arranged to face the pixel electrode are sequentially deposited.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: January 7, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Chun-Gi You, Joon-Hoo Choi
  • Publication number: 20140002334
    Abstract: A gate driving apparatus includes a first stage which outputs a first gate output signal, and a second stage which outputs a second gate output signal. The first stage includes: a transistor which includes a gate electrode, a source electrode and a drain electrode; and a dummy transistor which includes a dummy gate electrode, a dummy source electrode and a dummy drain electrode. The gate electrode receives the second gate output signal, and the dummy source electrode is connected to the source electrode or the drain electrode of the transistor and prevents static electricity from flowing to the first stage.
    Type: Application
    Filed: September 5, 2013
    Publication date: January 2, 2014
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyung-Gi JUNG, Jeong-Young LEE, June-Woo LEE, Sok LEE
  • Publication number: 20130307557
    Abstract: A method of inspecting a short circuit defect between first wires extending in a first direction and a second direction intersecting the first direction and second wires extending in the first or second direction, the method including inspecting a short circuit defect between the first and second wires by using a potential difference monitored only in the second wires.
    Type: Application
    Filed: November 8, 2012
    Publication date: November 21, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Sung-Soo Choi, Seong-Jun Kim, Guang-Hai Jin, Ga-Young Kim, Jee-Hoon Kim
  • Publication number: 20130307548
    Abstract: A display apparatus is disclosed. The apparatus includes a plurality of unit pixels each comprising a plurality of sub pixels, a plurality of scan wires, and a plurality of scan lines branching off from each of the scan wires and extending in a first direction. The number of scan lines from each scan wire equals the number of sub pixels for each pixel, and each scan line connects one of the scan wires with one of the sub pixels of each of a plurality of unit pixels. The apparatus also includes a plurality of data lines extending in a second direction orthogonal to the first direction and which are connected to the plurality of sub pixels. The apparatus also includes a first power supply line extending in the second direction and connected to the sub pixels, and a plurality of test pads, each connected to the scan lines of one of the scan wires.
    Type: Application
    Filed: October 31, 2012
    Publication date: November 21, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Sung-Soo Choi, Seong-Jun Kim, Guang-Hai Jin, Ga-Young Kim, Jee-Hoon Kim
  • Publication number: 20130307833
    Abstract: A display apparatus is disclosed. The display apparatus includes a plurality of scan lines branching off from each of a plurality of scan wires. Each scan line connects one of the scan wires to adjacent sub pixels of the same color. An insulating layer is disposed between the scan lines and the scan wire. A plurality of contact holes is formed in the insulating layer so as to electrically connect the scan lines and the scan wires. In addition, a plurality of data lines intersect the scan lines, and are connected to the sub pixels, and first power supply lines extend in the second direction and connected to the plurality of sub pixels.
    Type: Application
    Filed: October 31, 2012
    Publication date: November 21, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Sung-Soo Choi, Seong-Jun Kim, Guang-Hai Jin, Ga-Young Kim, Jee-Hoon Kim
  • Publication number: 20130300966
    Abstract: A thin film transistor and a display apparatus include: a substrate; a plurality of first conductive lines formed on the substrate, each including a main body and a curved portion connected to the main body; a plurality of second conductive lines crossing the curved portions of the first conductive lines; and a plurality of pixel electrodes formed adjacent to the first conductive lines. The plurality of pixel electrodes includes a first pixel electrode disposed toward a side of one first conductive line, and a second pixel electrode disposed toward the other side of the one first conductive line. The display apparatus also includes an intermediate layer connected to the pixel electrodes for displaying images and an opposite electrode formed thereon.
    Type: Application
    Filed: October 11, 2012
    Publication date: November 14, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Guang-Hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Sung-Soo Choi, Seong-Jun Kim