Patents by Inventor Hyun-Chol Bang

Hyun-Chol Bang 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: 10186206
    Abstract: A display device is disclosed. In one aspect, the display device includes a data driver configured to generate an output signal corresponding to input image data, a signal divider configured to divide the output signal into a plurality of data signals, and provide the data signals to a plurality of pixels and a display unit including a matrix of pixels configured to receive the data signals. The signal divider includes a first via hole formed over a first source/drain wire configured to receive a driving voltage of each pixel, a second via hole formed over a second source/drain wire of the pixel and a pixel wire electrically connecting the first and second source/drain wires to each other respectively through the first via hole and the second via hole.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: January 22, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Woo Sung, Hyun-Chol Bang
  • Patent number: 10121803
    Abstract: A semiconductor device includes a substrate, a first conductive layer on the substrate and including a main pattern, and substantially symmetrical auxiliary patterns extending from two sides of the main pattern, an insulating layer on the substrate and the first conductive layer, and a second conductive layer on the insulating layer and overlapping at least a portion of the main pattern and the auxiliary patterns.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: November 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Soo Pyon, Min-Ho Ko, Hyun-Chol Bang, Kwang-Min Kim, Won-Kyu Kwak
  • Publication number: 20180158837
    Abstract: A display device includes a substrate that includes a display area and a pad area, and a plurality of data pads that are provided on the pad area of the substrate and arranged along a first direction and a second direction, where the plurality of data pads includes a first data pad, a second data pad that is disposed adjacent to the first data pad along the first direction, a third data pad that is disposed adjacent to the first data pad along the second direction, and a fourth data pad that is disposed adjacent to the second data pad along the second direction, and the first data pad and the second connection wire are respectively disposed in different layers.
    Type: Application
    Filed: July 20, 2017
    Publication date: June 7, 2018
    Inventors: So Young LEE, Dae-Hyun NOH, Hyun-Chol BANG, Sang Won SEO, Ju Hee HYEON
  • Publication number: 20180102400
    Abstract: A display device includes signal lines and pixels connected thereto. A first pixel includes a first transistor including a first gate electrode, a first channel region overlapping the first gate electrode, a first source region, and a second drain region facing the first source region, with the first channel region interposed between the first source region and the second drain region. A third transistor includes a third gate electrode, a third channel region overlapping the third gate electrode, a third drain region connected to the first gate electrode, and a third source region facing the third drain region with the third channel region interposed between the third source region and the third drain region. A shielding part overlaps a boundary between the to third source region and the third channel region and does not overlap a boundary between the third drain region and the third channel region.
    Type: Application
    Filed: July 20, 2017
    Publication date: April 12, 2018
    Inventors: JUN WON CHOI, Dong Soo Kim, Hyun-Chol Bang, Chang Soo Pyon, Ji-Eun Lee
  • Publication number: 20180005584
    Abstract: An organic light emitting diode display with improved aperture ratio includes: a substrate; first and second pixels disposed in a first row of the substrate and third and fourth pixels disposed in a second row adjacent to the first row and respectively disposed in the same columns as the first and second pixels; a scan line and a previous scan line applying a scan signal and a previous scan signal, respectively, to the pixel units; a data line and a driving voltage line applying a data signal and a driving voltage, respectively, to the pixel units; and a common initialization voltage line disposed between the first and second pixels and between the third and fourth pixels, commonly connected to the pixel units, and applying an initialization voltage. One common initialization contact hole connected to all pixels units and one initialization voltage line connected to the common initialization contact hole are surrounded by the pixel units.
    Type: Application
    Filed: September 18, 2017
    Publication date: January 4, 2018
    Inventors: Ju-Hee Hyeon, Hyun-Chol Bang
  • Patent number: 9786225
    Abstract: An organic light emitting diode display with improved aperture ratio includes: a substrate; first and second pixels disposed in a first row of the substrate and third and fourth pixels disposed in a second row adjacent to the first row and respectively disposed in the same columns as the first and second pixels; a scan line and a previous scan line applying a scan signal and a previous scan signal, respectively, to the pixel units; a data line and a driving voltage line applying a data signal and a driving voltage, respectively, to the pixel units; and a common initialization voltage line disposed between the first and second pixels and between the third and fourth pixels, commonly connected to the pixel units, and applying an initialization voltage. One common initialization contact hole connected to all pixels units and one initialization voltage line connected to the common initialization contact hole are surrounded by the pixel units.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: October 10, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Hee Hyeon, Hyun-Chol Bang
  • Publication number: 20170256566
    Abstract: A semiconductor device includes a substrate, a first conductive layer on the substrate and including a main pattern, and substantially symmetrical auxiliary patterns extending from two sides of the main pattern, an insulating layer on the substrate and the first conductive layer, and a second conductive layer on the insulating layer and overlapping at least a portion of the main pattern and the auxiliary patterns.
    Type: Application
    Filed: May 19, 2017
    Publication date: September 7, 2017
    Inventors: Chang-Soo Pyon, Min-Ho Ko, Hyun-Chol Bang, Kwang-Min Kim, Won-Kyu Kwak
  • Patent number: 9659970
    Abstract: A semiconductor device includes a substrate, a first conductive layer on the substrate and including a main pattern, and substantially symmetrical auxiliary patterns extending from two sides of the main pattern, an insulating layer on the substrate and the first conductive layer, and a second conductive layer on the insulating layer and overlapping at least a portion of the main pattern and the auxiliary patterns.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: May 23, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Soo Pyon, Min-Ho Ko, Hyun-Chol Bang, Kwang-Min Kim, Won-Kyu Kwak
  • Patent number: 9549455
    Abstract: A display panel is provided including a first substrate, an upper structure, and a first conductive pattern. The first substrate may include an upper surface and a lower surface on opposite sides of the first substrate, the upper and lower surfaces facing away from each other. The upper structure may be on the upper surface of the first substrate. A first conductive pattern layer may be on the lower surface of the first substrate. The first conductive pattern layer may be configured to absorb and discharge static electricity input from outside the display panel.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: January 17, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Hee Choi, Hyun-Chol Bang
  • Publication number: 20160307494
    Abstract: A display device is disclosed. In one aspect, the display device includes a data driver configured to generate an output signal corresponding to input image data, a signal divider configured to divide the output signal into a plurality of data signals, and provide the data signals to a plurality of pixels and a display unit including a matrix of pixels configured to receive the data signals. The signal divider includes a first via hole formed over a first source/drain wire configured to receive a driving voltage of each pixel, a second via hole formed over a second source/drain wire of the pixel and a pixel wire electrically connecting the first and second source/drain wires to each other respectively through the first via hole and the second via hole.
    Type: Application
    Filed: September 17, 2015
    Publication date: October 20, 2016
    Inventors: Seung Woo Sung, Hyun-Chol Bang
  • Patent number: 9437666
    Abstract: An organic light emitting diode (OLED) display device, including a first substrate and a second substrate facing each other, a sealant arranged between the first and second substrates to adhere the first and second substrates together, a plurality of interconnections arranged on one of the first and second substrates and a plurality of cladding parts covering at least a portion of each of the plurality of interconnections at a location that corresponds to the sealant, each of the cladding parts including a material having a higher melting point than that of the interconnections. By including the cladding parts, a short circuit between the interconnections caused by heat applied to the sealant can be prevented, and safety and reliability of the OLED display device can be improved.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: September 6, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Yeon Cho, Zail Lhee, Tae-Wook Kang, Hun Kim, Mi-Sook Suh, Hyun-Chol Bang
  • Patent number: 9425242
    Abstract: An organic light emitting diode (OLED) display includes: a substrate; a first semiconductor layer and a second semiconductor layer separated from each other on a same surface of the substrate, a first insulating layer on the first semiconductor layer and the second semiconductor layer, a first gate electrode and a second gate electrode respectively overlapping the first semiconductor layer and the second semiconductor layer, a second insulating layer on the first gate electrode and the second gate electrode; a first storage electrode overlapping the first gate electrode on the second insulating layer, a third insulating layer on the first storage electrode, and a second storage electrode overlapping the first storage electrode on the third insulating layer.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: August 23, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joong-Soo Moon, Hyun-Chol Bang
  • Patent number: 9390651
    Abstract: An organic light emitting display device includes: a pixel unit including first pixels positioned at intersection parts between first data lines and first scan lines and the second pixels positioned at intersection parts between the second data lines and the second scan lines; a scan driver sequentially supplying first scan signals to the first scan lines and sequentially supplying second scan signals to the second scan lines; a data driver supplying first output signals to first output lines and supplying second output signals to second output lines; and a demultiplexer block unit including demultiplexers which demultiplex the first output signals in response to control signals, respectively, and supply the demultiplexed signals to the first data lines, wherein the second output lines are directly connected to the second data lines.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: July 12, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Chol Bang, Yang-Wan Kim
  • Publication number: 20150310805
    Abstract: An organic light emitting diode display with improved aperture ratio includes: a substrate; first and second pixels disposed in a first row of the substrate and third and fourth pixels disposed in a second row adjacent to the first row and respectively disposed in the same columns as the first and second pixels; a scan line and a previous scan line applying a scan signal and a previous scan signal, respectively, to the pixel units; a data line and a driving voltage line applying a data signal and a driving voltage, respectively, to the pixel units; and a common initialization voltage line disposed between the first and second pixels and between the third and fourth pixels, commonly connected to the pixel units, and applying an initialization voltage. One common initialization contact hole connected to all pixels units and one initialization voltage line connected to the common initialization contact hole are surrounded by the pixel units.
    Type: Application
    Filed: July 2, 2015
    Publication date: October 29, 2015
    Inventors: Ju-Hee Hyeon, Hyun-Chol Bang
  • Patent number: 9105589
    Abstract: An organic light emitting diode display includes a substrate, a scan line and a previous scan line formed on the substrate, a data line and a driving voltage line crossing the scan line and the previous scan line, a switching transistor coupled to the scan line and the data line, a driving transistor coupled to the switching transistor, a compensation transistor coupled to one end of the driving transistor and configured to compensate a threshold voltage of the driving transistor, a connecting member configured to couple a compensation semiconductor layer of the compensation transistor to a driving gate electrode of the driving transistor, a first electrode coupled to another end of the driving transistor, an organic emission layer on the first electrode, and a second electrode on the organic emission layer. The connecting member and the first electrode are spaced from each other on a planar surface of the substrate.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: August 11, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyun-Chol Bang
  • Patent number: 9093407
    Abstract: An organic light emitting diode (“OLED”) display includes: a substrate including a plurality of pixel areas; a plurality of switching transistors and a plurality of driving transistors on the substrate; and an organic light emitting element respectively connected to a switching transistor and a driving transistor among the plurality of switching transistors and the plurality of driving transistors. The driving transistor includes a semiconductor which overlaps a plurality of adjacent pixel areas.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: July 28, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Chol Bang, Won-Kyu Kwak, Se-Ho Kim
  • Patent number: 9092080
    Abstract: An organic light emitting diode display with improved aperture ratio includes: a substrate; first and second pixels disposed in a first row of the substrate and third and fourth pixels disposed in a second row adjacent to the first row and respectively disposed in the same columns as the first and second pixels; a scan line and a previous scan line applying a scan signal and a previous scan signal, respectively, to the pixel units; a data line and a driving voltage line applying a data signal and a driving voltage, respectively, to the pixel units; and a common initialization voltage line disposed between the first and second pixels and between the third and fourth pixels, commonly connected to the pixel units, and applying an initialization voltage. One common initialization contact hole connected to all pixels units and one initialization voltage line connected to the common initialization contact hole are surrounded by the pixel units.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: July 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Hee Hyeon, Hyun-Chol Bang
  • Publication number: 20150170563
    Abstract: An organic light emitting diode display includes a substrate, a scan line and a previous scan line formed on the substrate, a data line and a driving voltage line crossing the scan line and the previous scan line, a switching transistor coupled to the scan line and the data line, a driving transistor coupled to the switching transistor, a compensation transistor coupled to one end of the driving transistor and configured to compensate a threshold voltage of the driving transistor, a connecting member configured to couple a compensation semiconductor layer of the compensation transistor to a driving gate electrode of the driving transistor, a first electrode coupled to another end of the driving transistor, an organic emission layer on the first electrode, and a second electrode on the organic emission layer. The connecting member and the first electrode are spaced from each other on a planar surface of the substrate.
    Type: Application
    Filed: June 3, 2014
    Publication date: June 18, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyun-Chol Bang
  • Publication number: 20150084032
    Abstract: An organic light emitting diode (OLED) display device, including a first substrate and a second substrate facing each other, a sealant arranged between the first and second substrates to adhere the first and second substrates together, a plurality of interconnections arranged on one of the first and second substrates and a plurality of cladding parts covering at least a portion of each of the plurality of interconnections at a location that corresponds to the sealant, each of the cladding parts including a material having a higher melting point than that of the interconnections. By including the cladding parts, a short circuit between the interconnections caused by heat applied to the sealant can be prevented, and safety and reliability of the OLED display device can be improved.
    Type: Application
    Filed: December 2, 2014
    Publication date: March 26, 2015
    Inventors: SEUNG-YEON CHO, ZAIL LHEE, TAE-WOOK KANG, HUN KIM, MI-SOOK SUH, HYUN-CHOL BANG
  • Publication number: 20150049409
    Abstract: A display panel is provided including a first substrate, an upper structure, and a first conductive pattern. The first substrate may include an upper surface and a lower surface on opposite sides of the first substrate, the upper and lower surfaces facing away from each other. The upper structure may be on the upper surface of the first substrate. A first conductive pattern layer may be on the lower surface of the first substrate. The first conductive pattern layer may be configured to absorb and discharge static electricity input from outside the display panel.
    Type: Application
    Filed: August 6, 2014
    Publication date: February 19, 2015
    Inventors: Min-Hee CHOI, Hyun-Chol BANG