Patents by Inventor Dong-Yoon So

Dong-Yoon So 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: 9520457
    Abstract: A display panel and a repairing method thereof are disclosed. In one aspect, the display panel includes an active area including a plurality of pixels and a plurality of signal lines. The panel also includes a repair line at least partially surrounding the active area and overlapping the signal line in the active area and a plurality of first transistors formed on a side of the active area, wherein one end of each of the first transistors overlaps the repair line. The panel further includes a sealing portion configured to seal the active area, the repair line, and the first transistors. The panel also includes a pad portion formed outside the sealing portion and including a plurality of dummy pads respectively connected to the first transistors and a plurality of driving pads respectively connected to the signal lines.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: December 13, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Yoon So, Kyong Tae Park, Mi Jin Yoon, Sung Ho Cho, Yu-Hyun Cho
  • Publication number: 20160335955
    Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a substrate including a display area configured to display an image and a peripheral area surrounding the display area, a plurality of scan lines formed over the substrate and a plurality of data lines crossing the scan lines. A plurality of pixels is formed in the display area and electrically connected to the scan lines and the data lines, a repair ring is formed in the peripheral area and surrounding the display area, and the repair ring includes a first portion and a connecting portion different from the first portion. The first portion has a width less than that of the connecting portion different from the first portion. A driving circuit is configured to generate a data signal that is output to the data lines and the repair ring.
    Type: Application
    Filed: January 11, 2016
    Publication date: November 17, 2016
    Inventors: Sung Ho Cho, Dong-Yoon So, Tae Gon Kim, Kyong Tae Park
  • Publication number: 20160260792
    Abstract: An organic light emitting diode display according to an example embodiment of the present invention includes: a substrate; a scan line and a data line that are insulated from one another and crossing each other on the substrate; a first transistor on the substrate and connected to the scan line and the data line; a second transistor connected to the first transistor; a first electrode connected to the second transistor and having a cutout; an organic emission layer on the first electrode; and a second electrode on the organic emission layer, wherein the cutout is at a position corresponding to the data line.
    Type: Application
    Filed: September 30, 2015
    Publication date: September 8, 2016
    Inventors: Yong Chul Kim, Dong-Yoon So, Tae Gon Kim
  • Patent number: 9425246
    Abstract: An organic light emitting display device includes a substrate including a display area and a non-display area, a plurality of scan lines extended in a first direction on the substrate, a plurality of data lines extended in a second direction intersecting the first direction, a plurality of first switching elements in the display area, the plurality of first switching elements being connected to the scan lines and data lines, organic emission layers connected to the first switching elements, first dummy lines between corresponding adjacent ones of the plurality of scan lines, the first dummy lines extending in the first direction, second switching elements disposed in the non-display area, the second switching elements being adjacent to first ends of the first dummy lines, and second dummy lines extended in the second direction, the second dummy lines being adjacent to the second switching elements.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: August 23, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Gon Kim, Sung Ho Cho, Yong Chul Kim, Ji Yong Park, Dong-Yoon So, Mi Jin Yoon
  • Publication number: 20160204181
    Abstract: A display panel and a repairing method thereof are disclosed. In one aspect, the display panel includes an active area including a plurality of pixels and a plurality of signal lines. The panel also includes a repair line at least partially surrounding the active area and overlapping the signal line in the active area and a plurality of first transistors formed on a side of the active area, wherein one end of each of the first transistors overlaps the repair line. The panel further includes a sealing portion configured to seal the active area, the repair line, and the first transistors. The panel also includes a pad portion formed outside the sealing portion and including a plurality of dummy pads respectively connected to the first transistors and a plurality of driving pads respectively connected to the signal lines.
    Type: Application
    Filed: June 5, 2015
    Publication date: July 14, 2016
    Inventors: Dong-Yoon So, Kyong Tae Park, Mi Jin Yoon, Sung Ho Cho, Yu-Hyun Cho
  • Publication number: 20160196775
    Abstract: Provided is a display device including: a plurality of pixels; a plurality of data lines connected to the plurality of pixels; a data driver configured to generate a data voltage applied to the plurality of pixels; a plurality of fan-out lines configured to connect the plurality of data lines and the data driver; a sealant at a periphery of a display area in which the plurality of pixels and the plurality of data lines are arranged, and configured to seal the display area; a metal layer below the sealant; and a repair line configured to connect the data driver and the metal layer.
    Type: Application
    Filed: December 15, 2015
    Publication date: July 7, 2016
    Inventors: Ji Yong PARK, Tae Gon KIM, Dong-Yoon SO, Sung Ho CHO
  • Publication number: 20160189644
    Abstract: A display device is disclosed. In one aspect, the display device includes a display panel including a display area and a non-display area surrounding the display area. The display device also includes a plurality of active pixels formed in the display area extending in first and second directions as a matrix, a plurality of dummy pixels formed in the non-display area and extending in the second direction, a repair test line and one or more active pixel test lines formed in the non-display area and extending in the first direction, a plurality of scan lines electrically connected to the active pixels and the dummy pixels and extending in the first direction, a plurality of data lines electrically connected to the active pixels and extending in the second direction, and at least one dummy data line electrically connected to the dummy pixels and extending in the second direction.
    Type: Application
    Filed: April 29, 2015
    Publication date: June 30, 2016
    Inventors: Dong Yoon So, Tae Gon Kim, Kyong tae Park, Sung Ho Cho, Yu Hyun Cho
  • Publication number: 20160133195
    Abstract: A data driver supplies data voltages to data lines based on gray values corresponding to display pixels, and supplies a compensation data voltage to an auxiliary data line based on a gray value of a repaired pixel. The data driver computes a coupling voltage between the auxiliary line and the display pixels according to the gray values corresponding to the display pixels, and determines the compensation data voltage according to the coupling voltage.
    Type: Application
    Filed: July 17, 2015
    Publication date: May 12, 2016
    Inventors: Kyong-Tae PARK, Dong-Yoon SO, Sung-Ho CHO, Yu-Hyun CHO
  • Publication number: 20160104431
    Abstract: An organic light emitting display device including data lines, an auxiliary data line, and a compensation data line, a display area including display pixels connected to the data lines, a nondisplay area including auxiliary pixels connected to the auxiliary data line, and compensation pixels connected to the compensation data line, and auxiliary lines connected to the auxiliary pixels and the compensation pixels.
    Type: Application
    Filed: June 8, 2015
    Publication date: April 14, 2016
    Inventors: Kyong-Tae Park, Tae-Gon Kim, Dong-Yoon So, Sung-Ho Cho
  • Publication number: 20160104421
    Abstract: An organic light emitting display device, includes: pixels connected to scan lines, light emission lines, and data lines crossing the scan lines and the light emission lines, and including organic light emitting diodes, and pixel driving circuits to output a driving current to the organic light emitting diodes, respectively; a plurality of dummy driving circuits to output a dummy driving current; a dummy data line to apply a dummy data voltage to the plurality of dummy driving circuits; and a plurality of repair lines to electrically connect each of the organic light emitting diodes to at least one of the plurality of dummy driving circuits, wherein each of the dummy driving circuits corresponds to at least two of the repair lines, and each of the organic light emitting diodes is to be electrically connected to corresponding ones of the dummy driving circuits through corresponding ones of the repair lines.
    Type: Application
    Filed: August 18, 2015
    Publication date: April 14, 2016
    Inventors: Kyong-Tae Park, Tae-Gon Kim, Dong-Yoon So, Sung-Ho Cho
  • Publication number: 20160098956
    Abstract: An organic light emitting display device includes a display area and a non-display area. The display area includes display pixels at crossing areas of data lines, scan lines, and emission control lines. The non-display area includes auxiliary pixels at crossing positions of auxiliary data lines, scan lines, and emission control lines. The display device also includes a scan driver to supply scan signals to the scan lines, a first data driver to supply data voltages to the data lines, a second data driver to supply an auxiliary data voltage to the auxiliary data line, and a demultiplexer between the data lines and the first data driver.
    Type: Application
    Filed: July 7, 2015
    Publication date: April 7, 2016
    Inventors: Kyong-Tae PARK, Dong-Yoon SO, Sung-Ho CHO, Yu-Hyun CHO
  • Publication number: 20160086563
    Abstract: A source drive integrated circuit includes a source driving circuit, output buffers, and voltage protection circuits. The source driving circuit generates data voltages according to a source timing control signal and digital video data. The output buffers output the data voltages from the source driving circuit to output terminals. The voltage protection circuits are connected between the output buffers and the output terminals. A voltage supplied to at least one of the voltage protection circuits is different from a voltage supplied to remaining ones of the voltage protection circuits.
    Type: Application
    Filed: May 6, 2015
    Publication date: March 24, 2016
    Inventors: Kyong-Tae PARK, Seong-Yeun KANG, Jung-Hoon KIM, Tae-Gon KIM, Dong-Yoon SO
  • Publication number: 20160078810
    Abstract: An organic light emitting display device includes data lines and an auxiliary data line, scan lines and emission control lines crossing the data lines and the auxiliary data line, display pixels at crossing regions of the data lines, the scan lines and the emission control lines, auxiliary pixels at crossing regions of the auxiliary data line, the scan lines and the emission control lines, and auxiliary lines coupled to the auxiliary pixels. Each of the auxiliary pixels includes a discharge transistor coupled to one of the auxiliary lines and a first power voltage line to which a first power voltage is supplied and a discharge transistor controller including a plurality of transistors and configured to control the discharge transistor.
    Type: Application
    Filed: June 1, 2015
    Publication date: March 17, 2016
    Inventors: Kyong-Tae Park, Tae-Gon Kim, Dong-Yoon So, Sung-Ho Cho
  • Publication number: 20160078811
    Abstract: An organic light emitting display device includes display pixels, auxiliary pixels, and a plurality of signal lines. The signal lines include data lines, auxiliary data lines, scan lines, and emission control lines. The auxiliary pixels are to be used for repairing defective ones of the display pixels. In operation, scan signals are supplied in a unit of p scan lines, A emission control signals are to be supplied in a unit of p A emission control lines, and B emission control signals are to be supplied in a unit of p B emission control lines, where p?2.
    Type: Application
    Filed: June 9, 2015
    Publication date: March 17, 2016
    Inventors: Kyong-Tae PARK, Tae-Gon KIM, Dong-Yoon SO, Sung-Ho CHO
  • Patent number: 9286832
    Abstract: An organic light-emitting display apparatus includes pixels at an active area, dummy pixels at a dummy area, and repair lines coupled to the plurality of dummy pixels and connectable with the plurality of pixels. Each of the plurality of dummy pixels includes: an output node coupled to a repair line corresponding to the dummy pixel from among the plurality of repair lines, a dummy circuit including a dummy driving transistor that is coupled between a driving voltage line to which a first driving voltage is applied and the output node, and a dummy initialization circuit including a dummy anode initialization transistor coupled between a dummy initialization voltage line to which a dummy initialization voltage is applied and the output node via a connectable structure. The connectable structure includes a first conductor and a second conductor that overlap, at least partially, with each other and are electrically insulated from each other.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: March 15, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyoung-Tae Park, Dong-Yoon So
  • Patent number: 9214503
    Abstract: An organic light emitting display panel may include a plurality of thin film transistors on a substrate, an insulating interlayer on the thin film transistors, a plurality of first electrodes on a portion of the insulating interlayer electrically connected to the thin film transistors, a plurality of metal lines on a portion of the insulating interlayer, a pixel defining layer on a portion of the insulating interlayer and a portion of the first electrodes, a plurality of organic light emitting structures on the first electrodes in the pixel area, a second electrode on the organic light emitting structures, and a spacer on the pixel defining layer. The insulation interlayer may partially expose electrodes of the thin film transistors. The pixel defining layer may define a pixel area by partially exposing the first electrodes, and an exposed area of the insulating interlayer by partially exposing the insulating interlayer.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: December 15, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Yoon So, Tae-Gon Kim, Yong-Chul Kim, Ji-Yong Park
  • Publication number: 20150348466
    Abstract: A pixel repair circuit and organic light-emitting diode (OLED) display having the same are disclosed. In one aspect, the pixel repair circuit includes an emission controller configured to control the emission current and a repair line initialization unit configured to initialize the repair line. The pixel repair circuit further includes a current mirror unit configured to provide a mirror current of the emission current to the repair line initialization unit, wherein the current mirror unit is connected between a power supply voltage and the emission controller. The pixel repair circuit also includes a first emission switch configured to control an electrical connection between the emission controller and the current mirror unit based on an emission control signal and a second emission switch configured to control an electrical connection between the emission controller and the repair line based on the emission control signal.
    Type: Application
    Filed: December 5, 2014
    Publication date: December 3, 2015
    Inventors: Kyong-Tae PARK, Tae-Gon KIM, Dong-Yoon SO, Sung-Ho CHO
  • Patent number: 9184075
    Abstract: An apparatus for storing a substrate on which a pattern is formed includes a main body storing the substrate, a first pad located at the bottom of the main body and including a first groove supporting one edge of the substrate, a second pad neighboring the first pad and including a second groove supporting the center of the substrate, and a third pad spaced from the first pad, the second pad being disposed between the first and third pads, the third pad including a third groove supporting the other edge of the substrate.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: November 10, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Eun Kim, Dong-Yoon So, Han-Soo Kim
  • Publication number: 20150294618
    Abstract: An organic light-emitting display apparatus includes pixels at an active area, dummy pixels at a dummy area, and repair lines coupled to the plurality of dummy pixels and connectable with the plurality of pixels. Each of the plurality of dummy pixels includes: an output node coupled to a repair line corresponding to the dummy pixel from among the plurality of repair lines, a dummy circuit including a dummy driving transistor that is coupled between a driving voltage line to which a first driving voltage is applied and the output node, and a dummy initialization circuit including a dummy anode initialization transistor coupled between a dummy initialization voltage line to which a dummy initialization voltage is applied and the output node via a connectable structure. The connectable structure includes a first conductor and a second conductor that overlap, at least partially, with each other and are electrically insulated from each other.
    Type: Application
    Filed: September 19, 2014
    Publication date: October 15, 2015
    Inventors: Kyoung-Tae Park, Dong-Yoon So
  • Publication number: 20150084014
    Abstract: An organic light emitting display device includes a substrate including a display area and a non-display area, a plurality of scan lines extended in a first direction on the substrate, a plurality of data lines extended in a second direction intersecting the first direction, a plurality of first switching elements in the display area, the plurality of first switching elements being connected to the scan lines and data lines, organic emission layers connected to the first switching elements, first dummy lines between corresponding adjacent ones of the plurality of scan lines, the first dummy lines extending in the first direction, second switching elements disposed in the non-display area, the second switching elements being adjacent to first ends of the first dummy lines, and second dummy lines extended in the second direction, the second dummy lines being adjacent to the second switching elements.
    Type: Application
    Filed: June 18, 2014
    Publication date: March 26, 2015
    Inventors: Tae Gon KIM, Sung Ho CHO, Yong Chul KIM, Ji Yong PARK, Dong-Yoon SO, Mi Jin YOON