Patents by Inventor Seung-Woo Han

Seung-Woo Han 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: 10540938
    Abstract: A shift-buffer circuit, a gate driving circuit, a display panel, a display device, and a driving method. The shift-buffer circuit includes: a shift register and a plurality of buffers connected with the shift register. The shift register includes a shift output terminal; the shift register is configured to output a shift output signal from the shift output terminal, in response to a shift clock signal; each of the buffers includes a buffer input terminal and a buffer output terminal, the buffer input terminal being connected with the shift output terminal; each of the buffers is configured to output a buffer output signal from the buffer output terminal, in response to a buffer clock signal.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: January 21, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jiha Kim, Seung Woo Han, Guangliang Shang, Xing Yao, Haoliang Zheng, Mingfu Han, Zhichong Wang, Lijun Yuan, Yun Sik Im, Jing Lv, Yinglong Huang, Xue Dong
  • Patent number: 10541564
    Abstract: An apparatus and a method for are provided for a wireless power receiver. The method includes receiving power from a wireless power transmitter; measuring a temperature of a point in the wireless power receiver during reception of the wireless power; regulating the received power; identifying the temperature at a first time point; maintaining an amount of the regulated power to be provided to a battery with a first level if the identified temperature is lower than a preset temperature; decreasing the amount of the regulated power if the identified temperature is greater than or equal to the preset temperature; in response to decreasing the amount of the regulated power, identifying the temperature at a second time point after the first time point; and increasing the amount of the regulated power to the first level if the identified temperature at the second time point is lower than the preset temperature.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: January 21, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Woo-Ram Lee, Yu-Su Kim, Se-Ho Park, Seung-Woo Han
  • Patent number: 10525827
    Abstract: A control method of a power train system is provided. The control method of a power train system may include: a power output step and a power change step. The power change step may include: a shaft driving process of rotating a reverse input driving shaft separated from an axle shaft connected to the left and right wheels and installed in parallel to the axle shaft and a forward input driving shaft installed in parallel to the reverse input driving shaft; a clutch fixing process of fixing any one of reverse and forward clutch parts to the reverse or forward input driving shaft by supplying operation oil to the corresponding clutch part, wherein the reverse and forward clutch parts are installed on the reverse and forward input driving shafts, respectively, and each of the reverse and forward clutch parts includes a pair of clutch parts; and a changed power output process of transferring the changed power to the axle shaft through the reverse or forward clutch part fixed through the clutch fixing process.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: January 7, 2020
    Assignee: INFINITRANS ALPHA CO., LTD.
    Inventor: Seung Woo Han
  • Patent number: 10504602
    Abstract: The present disclosure relates to an array substrate, a display panel and a display device. The array substrate includes a plurality of shift register units, a plurality of gate lines and a plurality of data lines crossing the plurality of gate lines. The plurality of gate lines crossing the plurality of data lines defines a plurality of pixel regions. Each of the pixel regions is divided into a driving zone and a pixel unit zone. A plurality of the driving zones in a same column constitute at least one unit region and each of the shift register units is disposed in one of the unit regions to provide scanning signals to the gate line connected thereto.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: December 10, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing Yao, Seung-Woo Han, Guangliang Shang, Mingfu Han, Haoliang Zheng, Yun-Sik Im
  • Patent number: 10504469
    Abstract: A shift-buffer circuit, a gate driving circuit, a display panel, a display device, and a driving method. The shift-buffer circuit includes: a shift register and a plurality of buffers connected with the shift register. The shift register includes a shift output terminal; the shift register is configured to output a shift output signal from the shift output terminal, in response to a shift clock signal; each of the buffers includes a buffer input terminal and a buffer output terminal, the buffer input terminal being connected with the shift output terminal; each of the buffers is configured to output a buffer output signal from the buffer output terminal, in response to a buffer clock signal.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: December 10, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jiha Kim, Seung Woo Han, Guangliang Shang, Xing Yao, Haoliang Zheng, Mingfu Han, Zhichong Wang, Lijun Yuan, Yun Sik Im, Jing Lv, Yinglong Huang, Xue Dong
  • Patent number: 10475409
    Abstract: The present disclosure discloses a gate drive circuit, a display panel and a driving method for the gate drive circuit. The gate drive circuit includes a plurality of shift register units connected in cascade; and further includes: buffer units which are in a one-to-one correspondence with shift register units at all levels, and touch control switch units which are in a one-to-one correspondence with shift register units at even levels. Each buffer unit in the gate drive circuit can increase the holding time of the effective pulse signal output by the shift register unit at a corresponding level by one line before resetting, and the effective pulse signal output by a buffer unit at an even level under the control of a touch control unit and the effective pulse signal output by a buffer unit at an adjacent previous odd level are reset at the same time.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: November 12, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Mingfu Han, Xing Yao, Guangliang Shang, Haoliang Zheng, Seung-Woo Han, Jiha Kim, Lijun Yuan, Zhichong Wang
  • Publication number: 20190279574
    Abstract: An array substrate, a display panel, a display device and a driving method. The array substrate includes: a plurality of first pixel units arranged in an array in a first region; a first gate driving circuit a second gate driving circuit; a plurality of first gate lines connected with the first gate driving circuit; and a plurality of second gate lines connected with the second gate driving circuit. A first portion of the plurality of first pixel units is connected with the plurality of first gate lines, and each first pixel unit in the first portion is connected with one of the plurality of first gate lines; and a second portion of the plurality of first pixel units is connected with the plurality of second gate lines, and each first pixel unit in the second portion is connected with one of the plurality of second gate lines.
    Type: Application
    Filed: November 7, 2017
    Publication date: September 12, 2019
    Applicant: BOB TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiha KIM, Seung Woo HAN, Guangliang SHANG, Haoliang ZHENG, Xing YAO, Mingfu HAN, Zhichong WANG, Lijun YUAN, Yun Sik IM, Yinglong HUANG, Xue DONG
  • Publication number: 20190279588
    Abstract: There is provided in the present disclosure a shift register unit, comprising: an input circuit, whose first terminal is connected to a power supply terminal, second terminal is connected to an input terminal, and third terminal is connected to a pull-up node, the input circuit being configured to input a power supply signal input by the power supply terminal to the pull-up node under the control of an input signal; a pull-up control circuit, whose first terminal is connected to a first clock signal terminal, and second terminal is connected to the pull-up node, the pull-up control circuit being configured to control a potential of the pull-up node according to a first clock signal input by the first clock signal terminal; a pull-up circuit, whose first terminal is connected to a first signal terminal, second terminal is connected to an output terminal, third terminal is connected to the pull-up node.
    Type: Application
    Filed: December 14, 2017
    Publication date: September 12, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiha KIM, Lijun YUAN, Zhichong WANG, Mingfu HAN, Xing YAO, Guangliang SHANG, Seung Woo HAN, Yun Sik IM, Jing LV, Yinglong HUANG, Jung Mok JUN, Haoliang ZHENG
  • Publication number: 20190238003
    Abstract: An apparatus and a method for are provided for a wireless power receiver.
    Type: Application
    Filed: April 11, 2019
    Publication date: August 1, 2019
    Inventors: Woo-Ram LEE, Yu-Su KIM, Se-Ho PARK, Seung-Woo HAN
  • Publication number: 20190238002
    Abstract: An apparatus and a method for are provided for a wireless power receiver.
    Type: Application
    Filed: April 11, 2019
    Publication date: August 1, 2019
    Inventors: Woo-Ram LEE, Yu-Su KIM, Se-Ho PARK, Seung-Woo HAN
  • Publication number: 20190180834
    Abstract: Embodiments of the present application provide a shift register unit, a method for driving the same, a gate driving circuit, and a display apparatus. The shift register unit comprises at least two sub-circuits of a first output sub-circuit, a second output sub-circuit, and a third output sub-circuit. The first output sub-circuit is configured to output a voltage at a signal output terminal to a reset signal output terminal; the second output sub-circuit is configured to output the voltage at the signal output terminal to a gating signal output terminal; and the third output sub-circuit is configured to output a voltage at a second voltage terminal to a light-emitting control signal output terminal or is configured to output a voltage at a first voltage terminal to the light-emitting control signal output terminal.
    Type: Application
    Filed: September 21, 2018
    Publication date: June 13, 2019
    Inventors: Lijun YUAN, Mingfu HAN, Seung Woo HAN, Xing YAO, Zhichong WANG, Guangliang SHANG, Haoliang ZHENG
  • Patent number: 10276087
    Abstract: The present disclosure discloses a GOA unit driving circuit and a driving method thereof, a display panel and a display device. The disclosure relates to field of display technology, and solves the technical issue of increased power consumption of the display device due to the power consumption of the parasitic capacitance existing in the transistors in the GOA unit. The GOA unit driving circuit comprises a plurality of sets of GOA units, each of which includes at least one GOA unit; a plurality of clock selecting units, which are in one-to-one correspondence with the plurality of sets of GOA units, and each clock selecting unit is connected to a corresponding set of GOA units and connected to one of a plurality of clock signal terminals and at least one of a plurality of clock selection signal terminals, respectively.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: April 30, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangliang Shang, Seung Woo Han, Mingfu Han, Haoliang Zheng, Yanfeng Wang
  • Publication number: 20190120356
    Abstract: A power train system may include: a power generator having a motor engine rotated in forward and reverse directions and generating any one of a forward driving power and a reverse driving power; and a transmission unit changing the forward or reverse driving power received from the power generator to a specific speed of two speeds. The transmission unit may include: an axle output unit having an axle shaft connected in a side-to-side direction so as to be connected to wheels; and an axle input unit having a transmission shaft which is separated from the axle shaft of the axle output unit, receiving a driving power from a bevel gear part forming a bevel gear rotating shaft installed in a longitudinal direction of a vehicle body in order to supply the forward or reverse driving power inputted from the power generator.
    Type: Application
    Filed: October 26, 2017
    Publication date: April 25, 2019
    Inventor: Seung Woo HAN
  • Publication number: 20190118648
    Abstract: A power train system and a vehicle including the same are provided. The power train system may include: an axle output unit including an axle shaft connected to wheels; a bevel gear part forming a bevel gear rotating shaft installed in a longitudinal direction of a vehicle body so as to supply a power generated by a power generator to the axle output unit; and an axle input unit including an input driving shaft which is separated from the axle shaft of the axle output unit, receives the power from the bevel gear part, and transfers the received power to the axle output unit. The axle input unit may be fixed at a predetermined position in the circumferential direction of the axle shaft, while a connection angle formed by the axial centers of the input driving shaft and the bevel gear rotating shaft of the bevel gear part is fixed. The power train system can not only improve a degree of freedom in design, but also achieve multiple speeds.
    Type: Application
    Filed: October 26, 2017
    Publication date: April 25, 2019
    Inventor: Seung Woo HAN
  • Publication number: 20190120357
    Abstract: A power train system may include: a power generator having a motor engine rotated in forward and reverse directions and generating any one of a forward driving power and a reverse driving power; and a transmission unit changing the forward or reverse driving power received from the power generator to a specific speed among four speeds. The transmission unit may include: an axle output unit having an axle shaft connected in a side-to-side direction so as to be connected to left and right wheels; and an axle input unit having two or more shafts which are separated from the axle shaft of the axle output unit, receiving a driving power from a bevel gear part forming a bevel gear rotating shaft installed in a longitudinal direction of a vehicle body in order to supply the forward or reverse driving power inputted from the power generator.
    Type: Application
    Filed: October 26, 2017
    Publication date: April 25, 2019
    Inventor: Seung Woo HAN
  • Publication number: 20190118650
    Abstract: A power train system and a vehicle including the same are provided. The power train system may include: a first transmission unit transferring a driving power outputted from a power generator to a second transmission unit; and the second transmission unit changing a forward driving power and reverse driving power received from the first transmission unit to a specific speed of at least two rotation speeds. The second transmission unit may include: an axle output unit having an axle shaft connected to left and right wheels; and an axle input unit including reverse and forward input driving shafts separated from the axle shaft of the axle output unit, receiving the driving power from a bevel gear part forming a bevel gear rotating shaft installed in a longitudinal direction of a vehicle body in order to supply the driving power transferred by the first transmission unit, and changing the received driving power to a specific speed of the two rotations.
    Type: Application
    Filed: October 26, 2017
    Publication date: April 25, 2019
    Inventor: Seung Woo HAN
  • Publication number: 20190118649
    Abstract: A power train system, a vehicle including the same and a control method thereof are provided. The power train system may include: a first transmission unit disposed in a transmission housing; and a second transmission unit disposed in an axle housing distinguished from the transmission housing, wherein the second transmission unit comprises: an axle output unit having an axle shaft connected to the wheels; and an axle input unit comprising an input driving shaft which is separated from the axle shaft of the axle output unit, receives the driving power from a bevel gear part forming a bevel gear rotating shaft installed in a longitudinal direction of a vehicle body in order to supply the driving power generated by the power generator to the axle output unit, and transfers the received driving power to the axle output unit.
    Type: Application
    Filed: October 26, 2017
    Publication date: April 25, 2019
    Inventor: Seung Woo HAN
  • Publication number: 20190120374
    Abstract: A control method of a power train system may include: a power output step and a power change step. The power change step may include: a shaft driving process of rotating a multi-stage driving shaft separated from an axle shaft connected to the left and right wheels and installed in parallel to the axle shaft and a multi-stage driven shaft installed in parallel to the axle shaft and the multi-stage driving shaft; a clutch fixing process of fixing any one of one multi-stage clutch pack and the other multi-stage clutch pack to the multi-stage driving shaft or the multi-stage driven shaft by supplying operation oil to the corresponding clutch pack, wherein the one multi-stage clutch pack and the other multi-stage clutch pack are installed on the multi-stage driving shaft and the multi-stage driven shaft, respectively, and each of the one multi-stage clutch pack and the other multi-stage clutch pack includes a pair of clutch parts.
    Type: Application
    Filed: October 26, 2017
    Publication date: April 25, 2019
    Inventor: Seung Woo HAN
  • Publication number: 20190118651
    Abstract: A control method of a power train system is provided. The control method of a power train system may include: a power output step and a power change step. The power change step may include: a shaft driving process of rotating a reverse input driving shaft separated from an axle shaft connected to the left and right wheels and installed in parallel to the axle shaft and a forward input driving shaft installed in parallel to the reverse input driving shaft; a clutch fixing process of fixing any one of reverse and forward clutch parts to the reverse or forward input driving shaft by supplying operation oil to the corresponding clutch part, wherein the reverse and forward clutch parts are installed on the reverse and forward input driving shafts, respectively, and each of the reverse and forward clutch parts includes a pair of clutch parts; and a changed power output process of transferring the changed power to the axle shaft through the reverse or forward clutch part fixed through the clutch fixing process.
    Type: Application
    Filed: October 26, 2017
    Publication date: April 25, 2019
    Inventor: Seung Woo HAN
  • Publication number: 20190120355
    Abstract: A power train system and a vehicle including the same are provided. The power train system may include: a first transmission unit and a second transmission. The second transmission unit may include: an axle output unit having an axle shaft disposed in a side-to-side direction so as to be connected to left and right wheels; and an axle input unit having two or more shafts separated from an axle shaft of the axle output unit, receiving the driving power from a bevel gear part forming a bevel gear rotating shaft installed in a longitudinal direction of a vehicle body in order to supply the driving power switched to the forward or reverse driving power by the first transmission unit, and changing the received driving power to a specific speed among the four rotation speeds. The power train system can not only improve a degree of freedom in design, but also achieve multiple speeds.
    Type: Application
    Filed: October 26, 2017
    Publication date: April 25, 2019
    Inventor: Seung Woo HAN