Patents by Inventor Hyoung Cho

Hyoung Cho 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: 10063102
    Abstract: A wireless power transmitting method performed in a wireless power transmitting apparatus wirelessly transmitting power includes determining reception strength of a short-range wireless communication channel, adjusting an interval of a short beacon signal in response to a change in reception strength; and transmitting the short beacon signal at the interval.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: August 28, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Hyoung Cho, Jae Suk Sung, Sang Ho Cho, Eun Young Shin, Seung Won Park, Soon Tack Oh
  • Publication number: 20180241438
    Abstract: An antenna device includes a first wiring may include a spiral shape forming an empty region therein, and a second wiring disposed inside or outside of the first wiring. The second wiring is disposed to be spaced apart from the first wiring, and includes a first ring-shaped wiring and a second ring-shaped wiring, which are concentric to each other.
    Type: Application
    Filed: October 17, 2017
    Publication date: August 23, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dae Ung AHN, Hyung Wook CHO, Jun Seung YI, Yu Jin LEE, Seung Hun RYU, Sang Beom LEE, Dae Ki LIM, Jae Hyoung CHO, Si Hyung KIM
  • Publication number: 20180205132
    Abstract: A double loop antenna includes a source loop comprising: a spiral-shaped conductive source coil pattern disposed on a top surface of a board, and a source capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and a bottom surface of the board; and a resonance loop comprising: a spiral-shaped conductive resonance coil pattern disposed on the bottom surface of the board, and a resonance capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and the bottom surface of the board, wherein the source coil pattern and the resonance coil pattern are formed on different surfaces of the board.
    Type: Application
    Filed: November 1, 2017
    Publication date: July 19, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Beom LEE, Hyung Wook CHO, Jun Seung YI, Yu Jin LEE, Jae Suk SUNG, Dae Ki LIM, Seung Hun RYU, Ki Won CHANG, Jae Hyoung CHO, Si Hyung KIM
  • Patent number: 10027130
    Abstract: There are provided an apparatus apparatus for transmitting power wirelessly. The apparatus for transmitting power wirelessly may include a boosting unit boosting an input voltage, and an inverter unit inverting the boosted voltage output from the boosting unit to transmit power wirelessly. The inverter unit and the boosting unit are controlled by the same switching element.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: July 17, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Ho Cho, Chang Ik Kim, Seung Won Park, Yong Woon Park, Sang Beom Lee, Eun Young Shin, Jae Suk Sung, Jae Hyoung Cho
  • Patent number: 10025437
    Abstract: In a display device, a driving element is disposed on a rear substrate, and a passivation layer covers the driving element. A pixel electrode is disposed on the passivation layer and is connected to the driving element. An organic emission layer is disposed on the pixel electrode and is configured to emit light toward the rear substrate. A common electrode is disposed on the organic emission layer. A touch electrode is disposed between the rear substrate and the passivation layer, and it forms a capacitive component when an external touch occurs.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: July 17, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyoung Cho, Kyung-Hoon Kim, Kang Moon Jo, Dong Woo Kim, Il Gon Kim
  • Patent number: 10002927
    Abstract: A transparent electrode includes a substrate; a first layer disposed on the substrate, the first layer including a graphene mesh structure, the graphene mesh structure including graphene and a plurality of holes; and a second layer disposed on the first layer, wherein the second layer includes a plurality of conductive nanowires.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: June 19, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun Sung Woo, Hiesang Sohn, Weonho Shin, Eun-Hyoung Cho, Chan Kwak, Hyeon Cheol Park, Youngjin Cho, Dong-Su Ko, Woong Ko, Kwanghee Kim
  • Patent number: 9991296
    Abstract: A liquid crystal display includes a first pixel and a second pixel that extend in a data line direction. The first and second pixels are connected to a same data line, and the first pixel is closer to a data driver than the second pixel. A channel width of a thin film transistor of the first pixel is less than a channel width of a thin film transistor of the second pixel.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: June 5, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyoung Cho, Il Gon Kim, Sung Hwan Kim, Mee Hye Jung
  • Patent number: 9947253
    Abstract: There are provided a display device capable of detecting a defect of a scan driver. The display device includes pixels positioned in regions demarcated by scan lines and data lines, a scan driver including a plurality of stages connected to the scan lines, an inspection unit connected to the stages to detect whether the stages are defective, and including first transistors turned on when a control signal is supplied, and a timing controller supplying the control signal, wherein the timing controller detects a position of a defective stage by reducing a period during which the control signal is supplied.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: April 17, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se Hyoung Cho, Dong Woo Kim, Kyung Hoon Kim, Il Gon Kim, Kang Moon Jo
  • Publication number: 20180102084
    Abstract: A display device includes: a display panel including a display area, and a peripheral area disposed in the vicinity of the display area; a scan driver including a plurality of stages integrated on the peripheral area; a plurality of gate lines connected to the plurality of stages, respectively; and a plurality of pixel rows in the display area and connected with the plurality of gate lines, respectively. The plurality of stages and the plurality of pixel rows are each arranged in a first direction in a line, the peripheral area includes a fan-out region between the plurality of stages and the plurality of pixel rows, and at least one of the plurality of gate lines in the fan-out region is inclined with respect to the first direction, and a second direction perpendicular to the first direction.
    Type: Application
    Filed: December 13, 2017
    Publication date: April 12, 2018
    Inventors: Seung-Soo BAEK, Se Hyoung CHO, Dong-Gyu KIM, Dong-Hyeon KI
  • Patent number: 9927671
    Abstract: A display panel includes a high pixel electrode including a first stem which extends substantially in a first direction, and a second stem which extends substantially in a second direction crossing the first direction, a low pixel electrode including a first stem which extends substantially in the first direction, and a second stem which extends substantially in the second direction, a data line which extends in the second direction, a high storage line which extends substantially in the second direction and overlaps the second stem of the high pixel electrode, and a low storage line which extends substantially in the second direction and overlaps the second stem of the low pixel electrode.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: March 27, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se-Hyoung Cho, Il-Gon Kim, Mee-Hye Jung
  • Patent number: 9888582
    Abstract: A display device including a flexible substrate that includes a display part to display an image; a driving integrated chip (IC) that supplies a driving voltage to the display part; a flexible printed circuit (FPC) attached to an outer side portion of the substrate; and a printed circuit board (PCB) attached to the FPC, the PCB transferring the driving voltage to the driving IC through the FPC, wherein the FPC includes attachment parts at ends thereof, the attachment parts of the FPC being attached to pad parts at the outer side portion of the substrate and to pad parts of the PCB, and the attachment parts include slits therein.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: February 6, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kang Moon Jo, Se Hyoung Cho, Kyung-Hoon Kim, Dong Woo Kim, Il Gon Kim
  • Patent number: 9870746
    Abstract: A liquid crystal display apparatus is provided which includes a pixel including a storage capacitor, wherein the storage capacitor is connected to be between a pixel electrode and a storage voltage line, a light sensing unit connected to be between the storage voltage line and a first node, and a transfer unit connected to transfer a voltage from the first node to a sensing line.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: January 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seokha Hong, Se Hyoung Cho
  • Patent number: 9827841
    Abstract: A wheel driving system includes a generator connected to an engine and configured to generate electrical energy, a front axle configured to drive at least one front wheel and including a front electric motor configured to produce a driving torque from the electrical energy supplied from the generator and transmit the driving torque to the front wheel via a front drive shaft, a rear axle configured to drive at least one rear wheel and including a rear electric motor configured to produce a driving torque from the electrical energy supplied from the generator and transmit the driving torque to the rear wheel via a rear drive shaft, and a central connection unit operatively connected to the front drive shaft and the rear drive shaft and configured to transmit the driving torque between the front axle and the rear axle.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: November 28, 2017
    Assignee: DOOSAN INFRACORE CO., LTD.
    Inventors: Eun-Soo Jung, Chang-Hyun Kim, Dong-Mok Kim, Lee-Hyoung Cho
  • Patent number: 9830875
    Abstract: Provided is a display device. The display apparatus includes a plurality of data lines, a data driver, a plurality of gate lines, gate drivers, wherein the gate drivers includes first gate drivers connected to one end of a first group of the plurality of gate lines and second drivers connected to the other end of a second group of the plurality of gate lines, compensation circuits for compensating a rising time and falling time of gate signals outputted from the gate drivers, wherein the compensation circuits includes first compensation circuits connected to the other end of the first group of the plurality of gate lines and second compensation circuits connected to one end of the second group of the plurality of gate lines; and a plurality of pixels are respectively disposed on areas between the gate drivers.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: November 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyoung Cho, Dongwoo Kim, Kyung-Hoon Kim, Ilgon Kim, Meehye Jung
  • Publication number: 20170299942
    Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.
    Type: Application
    Filed: July 5, 2017
    Publication date: October 19, 2017
    Applicants: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Seung-hoon HAN, Won-taek SEO, Hae-kwan OH, Hong-seok LEE, Eun-hyoung CHO, Kee-keun LEE
  • Patent number: 9793727
    Abstract: A wireless charger optimized for charging efficiency of portable terminals (e.g., mobile phones) of different sizes has a housing including within it laterally spaced side supports and a bottom support for cradling an inserted portable terminal. The side supports and the bottom support are interlocked for coordinated movement such that the bottom support is moved by a predetermined amount according to movements of the side supports. This arrangement optimizes relative placement of the charger's transmitting coil and the portable terminal's receiving coil.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: October 17, 2017
    Assignee: Samsung-Electro-Mechanics Co., Ltd.
    Inventors: Sang Beom Lee, Seung Won Park, Yong Woon Park, Sang Ho Cho, Jae Hyoung Cho, Chang Ik Kim
  • Patent number: 9778541
    Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: October 3, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Seung-hoon Han, Won-taek Seo, Hae-kwan Oh, Hong-seok Lee, Eun-hyoung Cho, Kee-keun Lee
  • Patent number: 9773858
    Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a plurality of data lines formed in a display area and a plurality of data pad portions formed in a non-display area and including a plurality of data pads and a plurality of dummy pads formed outside of the data pads. The display also includes a plurality of data fan-out portions electrically connected to the data pads and the data lines, and including a plurality of diagonal portions diagonally formed with respect to the data lines. The display also includes a plurality of voltage applying lines electrically connected to the dummy pads and insulated from the data fan-out portions, wherein at least one of the voltage applying lines intersects one or more of the diagonal portions.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: September 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyoung Cho, Kyung-Hoon Kim, Gyung Soon Park, Min Jae Jeong, Il Gon Kim, Mee Hye Jung
  • Publication number: 20170271382
    Abstract: A liquid crystal display includes a first pixel and a second pixel that extend in a data line direction. The first and second pixels are connected to a same data line, and the first pixel is closer to a data driver than the second pixel. A channel width of a thin film transistor of the first pixel is less than a channel width of a thin film transistor of the second pixel.
    Type: Application
    Filed: June 8, 2017
    Publication date: September 21, 2017
    Inventors: Se Hyoung CHO, Il Gon KIM, Sung Hwan KIM, Mee Hye JUNG
  • Patent number: 9762084
    Abstract: There is provided a wireless charging system, including: a wireless power transmitting module including at least one power transmitter transmitting power and at least one wireless power receiving module receiving the power, wherein the wireless power transmitting module controls the power, which is transmitted to the wireless power receiving modules corresponding to the power transmitters, from the power transmitters, depending on targeted voltage gains of the wireless power receiving modules corresponding to the power transmitters.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: September 12, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Ho Cho, Chang Ik Kim, Seung Won Park, Yong Woon Park, Sang Beom Lee, Eun Young Shin, Jae Suk Sung, Jae Hyoung Cho