Patents by Inventor Hyun-Woong KIM

Hyun-Woong KIM 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: 10748482
    Abstract: A display device includes: an organic light emitting diode (OLED); a pixel circuit configured to control an amount of a current flowing from a first power voltage to the OLED; and a gate line and a data line that are connected to the pixel circuit, the pixel circuit including: an auxiliary transistor including a gate electrode electrically connected to the data line and a first electrode and a second electrodes connected to the gate line, the first electrode and the second electrode of the auxiliary transistor being electrically connected to each other.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd
    Inventors: Jong Won Park, Seung-Kyu Lee, Hyun Woong Kim
  • Patent number: 10748979
    Abstract: A display device may include a scan line, a data line, a power line, a substrate, a transistor, a light emitting device, a light shielding member, and a shielding layer. The scan line extends in a first direction and may transfer a scan signal. The data line extends in a second direction and may transfer a data signal. The power line is spaced from the data line and may transfer a driving voltage. The light emitting device is electrically connected to the transistor. The light shielding member is disposed between the substrate and the transistor. The shielding layer is electrically connected to the power line. The light shielding member includes a body member and a bridge member. The body member overlaps the transistor. The bridge member extends in the second direction from the body member and overlaps the shielding layer.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Soo Kim, Won Kyu Kwak, Hyun Woong Kim, Joong Soo Moon, Seung Woo Sung, Seung Kyu Lee, Jung Hun Yi
  • Patent number: 10733922
    Abstract: A display device includes: a substrate; pixels provided in a display area of the substrate; signal lines provided on the substrate and connected to the pixels; and a pad portion provided in a peripheral area and including pads. The signal lines include a first crack detecting line provided in the peripheral area and connected to a first test voltage pad, first data lines including first ends connected to the first crack detecting line through corresponding first transistors and second ends connected to corresponding pixels from among the pixels, and first connecting wires for connecting the first data lines and pads corresponding to the first data lines from among the pads, and the first connecting wires are provided on one layer from among at least two layers.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Won Park, Hyun Woong Kim
  • Publication number: 20200234853
    Abstract: The present invention relates to an electric vehicle charging cable capable of effectively cooling heat, which is generated therein during charging of an electric vehicle, using a cooling fluid, preventing damage to internal components thereof due to heat, and minimizing a diameter of the cable.
    Type: Application
    Filed: February 21, 2018
    Publication date: July 23, 2020
    Inventors: Jae Bok LEE, Do Hyun PARK, Chul Min KIM, Hyun Woong KIM
  • Patent number: 10672331
    Abstract: Provided herein may be a display device and a method of driving the display device. The display device may include pixels including first pixels and second pixels in a pixel area, scan lines coupled with the pixels, and configured to supply scan signals to the pixels, a first emission control line coupled to the first pixels, and configured to supply a first emission control signal to the first pixels, a second emission control line coupled to the second pixels, and configured to supply a second emission control signal to the second pixels, and a display driver configured to supply the first emission control signal to the first emission control line before supplying the second emission control signal to the second emission control line.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: June 2, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Woong Kim, Jong Won Park
  • Patent number: 10650749
    Abstract: An embodiment provides an organic light emitting diode display including: a substrate; a scan line disposed on the substrate to transfer a scan signal; a data line disposed on the substrate to transfer a data signal; a driving voltage line disposed on the substrate to transfer a driving voltage; a switching transistor connected with the scan line and the data line; a driving transistor connected with the switching transistor; and an organic light emitting diode electrically connected to the driving transistor, wherein the driving transistor includes a gate electrode, a source electrode, a drain electrode, and a plurality of channels, and each of the channels includes a plurality of curved portions.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Duck Cho, Seung-Kyu Lee, Hyun Woong Kim
  • Publication number: 20200135595
    Abstract: A display device includes a display area, a peripheral area, a pad portion, a bending area, a first crack detection circuit, and a first crack detection line. The display area includes pixels and data lines. The peripheral area is disposed outside the display area. The pad portion is disposed in the peripheral area. The bending area is disposed in the peripheral area. The bending area is bendable or in a bent state. The first crack detection circuit is disposed between the display area and the pad portion. The first crack detection circuit includes switches. The first crack detection line includes a first curved portion disposed in the bending area. The first crack detection line is connected between the pad portion and the first crack detection circuit.
    Type: Application
    Filed: December 26, 2019
    Publication date: April 30, 2020
    Inventors: Hyun Woong KIM, Won Kyu Kwak, Seung-Kyu Lee
  • Patent number: 10522431
    Abstract: A display device includes a display area, a peripheral area, a pad portion, a bending area, a first crack detection circuit, and a first crack detection line. The display area includes pixels and data lines. The peripheral area is disposed outside the display area. The pad portion is disposed in the peripheral area. The bending area is disposed in the peripheral area. The bending area is bendable or in a bent state. The first crack detection circuit is disposed between the display area and the pad portion. The first crack detection circuit includes switches. The first crack detection line includes a first curved portion disposed in the bending area. The first crack detection line is connected between the pad portion and the first crack detection circuit.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: December 31, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Woong Kim, Won Kyu Kwak, Seung-Kyu Lee
  • Publication number: 20190363151
    Abstract: A display device may include a scan line, a data line, a power line, a substrate, a transistor, a light emitting device, a light shielding member, and a shielding layer. The scan line extends in a first direction and may transfer a scan signal. The data line extends in a second direction and may transfer a data signal. The power line is spaced from the data line and may transfer a driving voltage. The light emitting device is electrically connected to the transistor. The light shielding member is disposed between the substrate and the transistor. The shielding layer is electrically connected to the power line. The light shielding member includes a body member and a bridge member. The body member overlaps the transistor. The bridge member extends in the second direction from the body member and overlaps the shielding layer.
    Type: Application
    Filed: February 11, 2019
    Publication date: November 28, 2019
    Inventors: Dong Soo KIM, Won Kyu KWAK, Hyun Woong KIM, Joong Soo MOON, Seung Woo SUNG, Seung Kyu LEE, Jung Hun YI
  • Publication number: 20190304375
    Abstract: An emission driver according to example embodiments includes a plurality of stages each having an input block; an output block; a first signal processing block controlling a voltage of a first node; a second signal processing block controlling a voltage of a fourth node in response to the signal supplied to a third input terminal and a voltage of a fifth node; a third signal processing block controlling the voltage of the fourth node; a fourth signal processing block controlling the voltage of the third node; and a stabilization block electrically connected between the input block and the output block to limit a voltage drop between the first node and the third node. The stabilization block may limit a voltage drop between a second node and the fourth node by lowering a voltage of a second power source to the fifth node.
    Type: Application
    Filed: March 29, 2019
    Publication date: October 3, 2019
    Inventors: Hyun Woong KIM, Seung Kyu LEE, Won Mi HWANG
  • Publication number: 20190288053
    Abstract: A flat panel display includes a substrate including a display region and a non-display region disposed outside of the display region, a display unit disposed in the display region that displays an image, a plurality of first pads disposed in the non-display region that receive driving signals for driving the display unit, a plurality of second pads disposed in the non-display region that receive inspection signals for inspecting the display unit, a plurality of third pads disposed in the non-display region that receive alignment confirmation signals for confirming alignment, and a resistor coupled between at least two third pads of the plurality of third pads.
    Type: Application
    Filed: October 16, 2018
    Publication date: September 19, 2019
    Inventors: YOUNG TAEG JUNG, SEUNG KYU LEE, HYUN WOONG KIM, HYUN CHOL BANG
  • Publication number: 20190228707
    Abstract: A display device includes: an organic light emitting diode (OLED); a pixel circuit configured to control an amount of a current flowing from a first power voltage to the OLED; and a gate line and a data line that are connected to the pixel circuit, the pixel circuit including: an auxiliary transistor including a gate electrode electrically connected to the data line and a first electrode and a second electrodes connected to the gate line, the first electrode and the second electrode of the auxiliary transistor being electrically connected to each other.
    Type: Application
    Filed: January 23, 2019
    Publication date: July 25, 2019
    Inventors: Jong Won PARK, Seung-Kyu Lee, Hyun Woong Kim
  • Publication number: 20190199095
    Abstract: An on-site ESS management device includes an editing part for selectively grouping a plurality of grid parts when a plurality of grid parts including at least one of a battery and a power converter connected to the battery are provided, a selection part for selecting a specific group, and a management part for managing the power input and output of each grid part included in the specific group.
    Type: Application
    Filed: April 13, 2017
    Publication date: June 27, 2019
    Inventors: Ku Hwan KIM, June Woo RYU, Hyun Woong KIM, Yun Ho JUNG
  • Publication number: 20190096332
    Abstract: The display device includes a pixel circuit including a driving transistor, an N-type transistor on a first path coupled from a data line to a gate electrode of the driving transistor, and a P-type transistor on the first path, a first scan driver to supply a first scan signal to the N-type transistor, and a second scan driver to supply a second scan signal to the P-type transistor, wherein a width of a high level section of the first scan signal is wider than that of a low level section of the second scan signal, and the low level section of the second scan signal overlaps with the high level section of the first scan signal.
    Type: Application
    Filed: September 4, 2018
    Publication date: March 28, 2019
    Inventors: Jong Won PARK, Seung Kyu LEE, Hyun Woong KIM
  • Publication number: 20180350284
    Abstract: A display device includes: a substrate; pixels provided in a display area of the substrate; signal lines provided on the substrate and connected to the pixels; and a pad portion provided in a peripheral area and including pads. The signal lines include a first crack detecting line provided in the peripheral area and connected to a first test voltage pad, first data lines including first ends connected to the first crack detecting line through corresponding first transistors and second ends connected to corresponding pixels from among the pixels, and first connecting wires for connecting the first data lines and pads corresponding to the first data lines from among the pads, and the first connecting wires are provided on one layer from among at least two layers.
    Type: Application
    Filed: June 1, 2018
    Publication date: December 6, 2018
    Inventors: Jong Won PARK, Hyun Woong KIM
  • Publication number: 20180330672
    Abstract: A display device includes: pixels provided in a display area; data lines connected to the pixels, the data lines providing data signals to the pixels; scan lines connected to the pixels, the scan lines providing scan signals to the pixels; and dummy scan lines intersecting the data lines in a peripheral area surrounding the display area.
    Type: Application
    Filed: January 11, 2018
    Publication date: November 15, 2018
    Inventors: Jong Won PARK, Seung Kyu Lee, Hyun Woong Kim
  • Publication number: 20180293938
    Abstract: Provided herein may be a display device and a method of driving the display device. The display device may include pixels including first pixels and second pixels in a pixel area, scan lines coupled with the pixels, and configured to supply scan signals to the pixels, a first emission control line coupled to the first pixels, and configured to supply a first emission control signal to the first pixels, a second emission control line coupled to the second pixels, and configured to supply a second emission control signal to the second pixels, and a display driver configured to supply the first emission control signal to the first emission control line before supplying the second emission control signal to the second emission control line.
    Type: Application
    Filed: December 19, 2017
    Publication date: October 11, 2018
    Inventors: Hyun Woong KIM, Jong Won PARK
  • Publication number: 20180286314
    Abstract: An embodiment provides an organic light emitting diode display including: a substrate; a scan line disposed on the substrate to transfer a scan signal; a data line disposed on the substrate to transfer a data signal; a driving voltage line disposed on the substrate to transfer a driving voltage; a switching transistor connected with the scan line and the data line; a driving transistor connected with the switching transistor; and an organic light emitting diode electrically connected to the driving transistor, wherein the driving transistor includes a gate electrode, a source electrode, a drain electrode, and a plurality of channels, and each of the channels includes a plurality of curved portions.
    Type: Application
    Filed: January 9, 2018
    Publication date: October 4, 2018
    Inventors: Hyun Duck CHO, Seung-Kyu LEE, Hyun Woong KIM
  • Publication number: 20180158741
    Abstract: A display device includes a display area, a peripheral area, a pad portion, a bending area, a first crack detection circuit, and a first crack detection line. The display area includes pixels and data lines. The peripheral area is disposed outside the display area. The pad portion is disposed in the peripheral area. The bending area is disposed in the peripheral area. The bending area is bendable or in a bent state. The first crack detection circuit is disposed between the display area and the pad portion. The first crack detection circuit includes switches. The first crack detection line includes a first curved portion disposed in the bending area. The first crack detection line is connected between the pad portion and the first crack detection circuit.
    Type: Application
    Filed: June 7, 2017
    Publication date: June 7, 2018
    Inventors: Hyun Woong KIM, Won Kyu KWAK, Seung-Kyu LEE
  • Patent number: 9704618
    Abstract: The present invention relates to a nuclear power plant cable including: conductors; at least one or more insulation layers adapted to correspondingly surround the conductors; a sheath adapted to surround the insulation layers; and monitoring means adapted to monitor the states of the insulation layers or the state of the sheath in real time.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: July 11, 2017
    Assignee: LS CABLE & SYSTEM LTD.
    Inventors: Jae-Bok Lee, Chan-Yong Park, Hyun-Woong Kim