Patents by Inventor Sang Min Hong

Sang Min Hong 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: 9634071
    Abstract: A thin film transistor includes a semiconductor which is disposed on a substrate and includes a source region, a drain region and a channel region, a gate insulating layer disposed on the semiconductor, a gate electrode disposed on the gate insulating layer, an interlayer insulating layer disposed on the gate electrode, contact holes defined in the interlayer insulating layer, the contact holes respectively exposing the source region and the drain region of the semiconductor, and a source electrode and a drain electrode which are disposed on the interlayer insulating layer and respectively contact the source region and the drain region through the contact holes, where at least one of the contact holes exposing the source region and the drain region obliquely traverses the semiconductor.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: April 25, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sea-Hee Lim, Sang-Min Hong
  • Patent number: 9601714
    Abstract: A display device is disclosed. In one aspect, the display device comprises a display panel, a window cover, at least one align key and a sealing portion. The display panel includes a substrate, a display unit formed over the substrate, and an encapsulation portion formed over the display unit. The window cover is formed over the display panel. The at least one align key is formed on the encapsulation portion and configured to align the display panel with the window cover. The sealing portion is formed between the substrate and the encapsulation portion, wherein the align key has at least one laser beam through portion passing through the encapsulation portion and is connected to the sealing portion.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: March 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Min Hong
  • Patent number: 9600127
    Abstract: A display device with an integrated touch screen panel is disclosed. In one aspect, the display device includes an upper substrate and a lower substrate each including a display region and a non-display region. A sealing member is formed between the non-display regions of the upper and lower substrates and the sealing member includes a first region and a second region, wherein the second region is located adjacent to the corners of the substrates. An electrode is formed over substantially the entire display region of the lower substrate. A power line is formed in the non-display region of the lower substrate and a first connection electrode is formed electrically connecting the power line to an end portion of the electrode. Each of the power line, the end portion of the electrode, and the first connection electrode at least partially overlaps the first region and does not overlap the second region.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: March 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Min Hong
  • Patent number: 9600111
    Abstract: A display device includes: a substrate on which a display unit is formed and an encapsulation unit for sealing the substrate; a touch screen panel formed on the encapsulation unit; a window cover provided on the touch screen panel; an alignment key for aligning positions of the display panel and the window cover; and a sealing portion disposed between the substrate and encapsulation unit. An area expansion portion is formed in a position of the sealing portion corresponding to the alignment key.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: March 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Min Hong, Hyun-Min Hwang, Go-Eun Lee
  • Patent number: 9570702
    Abstract: Provided are a display apparatus and a method of manufacturing the same. The display apparatus includes a display substrate arranged with a display portion including a display device; a sealing substrate disposed to face the display substrate; and a sealing portion that bonds the display substrate and the sealing substrate and surrounds the display portion. The sealing portion includes a first sealing portion that includes a sealing material and an insulating layer that includes at least one first opening; and a second sealing portion that is disposed outside the first sealing portion and includes at least one gas hole.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Min Hong
  • Patent number: 9502683
    Abstract: A display device including a display substrate, the display substrate including an active area including a display unit that displays an image, a circuit area extending from the active area toward an exterior of the display device, and a cell seal area extending from the circuit area toward an exterior of the display device; an encapsulation substrate covering the display substrate; and a sealing portion between the display substrate and the encapsulation substrate, wherein the sealing portion includes a first sealing portion on the cell seal area, and a second sealing portion on the circuit area and extending from the first sealing portion.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: November 22, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Min Hong, Hyun-Min Hwang, Jae-Kyung Go, Su-Cheol Gong
  • Patent number: 9460650
    Abstract: An organic light-emitting display includes first sub-pixels of a first color and second sub-pixels of a second color. Pairs of the first sub-pixels are consecutively arranged in different rows, and pairs of the second sub-pixels are consecutively arranged in different rows. The pairs of first sub-pixels and the pairs of second sub-pixels arranged alternately in a first column, and third sub-pixels are in a second column adjacent to the first column. When one sub-pixel is defective, a control circuit provides current another sub-pixel of the same color.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: October 4, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Sang-Min Hong
  • Patent number: 9455419
    Abstract: An organic light emitting display apparatus includes a first substrate, a second substrate, an organic light emitting device, a thin film transistor, a wiring pattern and a seal. The first substrate includes a first region, a second region and a third region. The third region surrounds the first region. The second region is between the first region and the third region, and is partially overlapped with the third region. The second substrate faces the first substrate. The organic light emitting device is disposed on the first substrate in the first region. The thin film transistor is disposed on the first substrate in a region where the second region and the third region overlap. The wiring pattern is disposed on the first substrate in the second region. The seal is disposed in the third region, between the first substrate and the second substrate in the third region.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: September 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Min Hong
  • Patent number: 9362531
    Abstract: An organic light emitting display device and manufacturing method thereof are disclosed. One inventive aspect includes a first substrate, a second substrate, a pixel unit, a circuit unit, a sealing member and a radiation unit. The pixel unit is formed on the first substrate and comprises an organic light emitting device and a thin-film transistor (TFT). The radiation unit includes radiation fins formed in the sealing member and a radiation layer contacting first ends of the radiation fins.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: June 7, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Min Hong
  • Patent number: 9349782
    Abstract: An organic light emitting diode (OLED) display including a substrate; a scan line formed on the substrate and applying a scan signal; a data line and a driving voltage line intersecting the scan line and respectively applying a data signal and a driving voltage; a switching TFT connected to the scan line and data line; a driving TFT connected to a switching drain electrode TFT and the driving voltage line; an OLED connected to the driving drain electrode; a storage capacitor connected between the driving voltage line and the driving gate electrode; and a boosting capacitor including a first boosting capacitor plate connected to the driving gate electrode and a second boosting capacitor plate overlapping the first boosting capacitor plate and connected to the scan line, where an area of the first boosting capacitor plate of the boosting capacitor is larger than an area of the second boosting capacitor plate.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: May 24, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Min Hong
  • Patent number: 9348474
    Abstract: A display device integrated with a touch screen panel includes upper and lower substrates; the upper substrate comprising a major surface; a display area and a non-display area next to the display area when viewed in a viewing direction perpendicular to the major surface; and a sealing material formed between the upper and lower substrates and in the non-display area when viewed in the viewing direction. The display further includes a sensing cell structure formed over the upper substrate and in the display area; conductive lines formed over the upper substrate and in the non-display area, and connected to the sensing cell structure. The conductive lines overlap with the sealing material; and an optical layer is formed between two immediately neighboring conductive lines among the conductive lines.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: May 24, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Min Hong
  • Publication number: 20160118618
    Abstract: An organic light-emitting display apparatus includes a first substrate, a display unit defining an active area on the first substrate and including an insulating layer, a second substrate on the display unit, one or more signal lines outside the active area and on the insulating layer, and a sealant between the first substrate and the second substrate. The sealant bonds the first substrate and the second substrate, and covers at least a portion of the signal lines.
    Type: Application
    Filed: January 5, 2016
    Publication date: April 28, 2016
    Inventors: Sang-Min Hong, Hyun-Min Hwang, Hyun-Young Kim, Eun-Jae Na
  • Publication number: 20160094371
    Abstract: An error detector and a method for detecting an error of an oscillator are provided. The error detector includes a receiver that receives an oscillation signal of an oscillator and a reference signal; and a controller that changes the oscillation signal within a frequency range so as to correspond to the reference signal and decides whether an error is generated in the oscillator based on the changed oscillation signal.
    Type: Application
    Filed: September 14, 2015
    Publication date: March 31, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-min HONG, Sang-keun LEE
  • Patent number: 9287523
    Abstract: An organic light emitting diode display includes a lower substrate having an organic light emitting diode thereon, an upper substrate on the lower substrate, an encapsulator between the lower substrate and an upper substrate to encapsulate the organic light emitting diode, the organic light emitting diode being encapsulated between the upper substrate and the lower substrate, a plurality of spacers between the lower substrate and the upper substrate, the plurality of spacers being disposed outside the encapsulator, a dummy metal provided between the spacers and the lower substrate, and a reinforcer on the dummy metal, the reinforcer wrapping the spacers.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: March 15, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung-I Yun, Sang-Min Hong
  • Patent number: 9276054
    Abstract: An organic light-emitting display apparatus includes a first substrate, a display unit defining an active area on the first substrate and including an insulating layer, a second substrate on the display unit, one or more signal lines outside the active area and on the insulating layer, and a sealant between the first substrate and the second substrate. The sealant bonds the first substrate and the second substrate, and covers at least a portion of the signal lines.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: March 1, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Min Hong, Hyun-Min Hwang, Hyun-Young Kim, Eun-Jae Na
  • Publication number: 20160049451
    Abstract: A thin film transistor includes a semiconductor which is disposed on a substrate and includes a source region, a drain region and a channel region, a gate insulating layer disposed on the semiconductor, a gate electrode disposed on the gate insulating layer, an interlayer insulating layer disposed on the gate electrode, contact holes defined in the interlayer insulating layer, the contact holes respectively exposing the source region and the drain region of the semiconductor, and a source electrode and a drain electrode which are disposed on the interlayer insulating layer and respectively contact the source region and the drain region through the contact holes, where at least one of the contact holes exposing the source region and the drain region obliquely traverses the semiconductor.
    Type: Application
    Filed: October 29, 2015
    Publication date: February 18, 2016
    Inventors: Sea-Hee LIM, Sang-Min HONG
  • Publication number: 20150372253
    Abstract: A display device including a display substrate, the display substrate including an active area including a display unit that displays an image, a circuit area extending from the active area toward an exterior of the display device, and a cell seal area extending from the circuit area toward an exterior of the display device; an encapsulation substrate covering the display substrate; and a sealing portion between the display substrate and the encapsulation substrate, wherein the sealing portion includes a first sealing portion on the cell seal area, and a second sealing portion on the circuit area and extending from the first sealing portion.
    Type: Application
    Filed: November 21, 2014
    Publication date: December 24, 2015
    Inventors: Sang-Min HONG, Hyun-Min HWANG, Jae-Kyung GO, Su-Cheol GONG
  • Publication number: 20150357595
    Abstract: An organic light emitting display apparatus includes a first substrate, a second substrate, an organic light emitting device, a thin film transistor, a wiring pattern and a seal. The first substrate includes a first region, a second region and a third region. The third region surrounds the first region. The second region is between the first region and the third region, and is partially overlapped with the third region. The second substrate faces the first substrate. The organic light emitting device is disposed on the first substrate in the first region. The thin film transistor is disposed on the first substrate in a region where the second region and the third region overlap. The wiring pattern is disposed on the first substrate in the second region. The seal is disposed in the third region, between the first substrate and the second substrate in the third region.
    Type: Application
    Filed: August 19, 2015
    Publication date: December 10, 2015
    Inventor: Sang-Min Hong
  • Patent number: 9209205
    Abstract: A thin film transistor includes a semiconductor which is disposed on a substrate and includes a source region, a drain region and a channel region, a gate insulating layer disposed on the semiconductor, a gate electrode disposed on the gate insulating layer, an interlayer insulating layer disposed on the gate electrode, contact holes defined in the interlayer insulating layer, the contact holes respectively exposing the source region and the drain region of the semiconductor, and a source electrode and a drain electrode which are disposed on the interlayer insulating layer and respectively contact the source region and the drain region through the contact holes, where at least one of the contact holes exposing the source region and the drain region obliquely traverses the semiconductor.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: December 8, 2015
    Assignee: SAMSUNG DISPALY CO., LTD.
    Inventors: Sea-Hee Lim, Sang-Min Hong
  • Patent number: 9209237
    Abstract: An organic light-emitting display device includes a plurality of organic light-emitting diodes which shares a cathode, a plurality of switching elements which is connected to the cathode, a plurality of capacitors, each comprising a first electrode which is connected to each of the switching elements, respectively, and a second electrode and a power bus line which is connected to the second electrode, wherein each of the plurality of switching elements controls a connection between the cathode and the first electrode.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: December 8, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Sang Min Hong