Patents by Inventor Jung-hyun Kim

Jung-hyun 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).

  • Method of preparing graphene-graphene fused material and method of preparing graphene-substrate composite using the same
    Patent number: 10072196
    Abstract: Disclosed is a method of preparing a graphene-graphene fused material, including: forming a plurality of nano graphene-metal composites comprised of nano graphene and a nano metal provided on a surface of the nano graphene for bonding between the nano graphenes; forming a polydopamine layer on outer surfaces of the nano graphene-metal composites; and thermally treating the nano graphene-metal composites to prepare a graphene-graphene fused material in which the nano graphene-metal composites are melted and bonded to each other by the nano metal provided on the nano graphene-metal composites.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: September 11, 2018
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: Jae Woo Chung, Jung Hyun Kim
  • MEMORY MODULE CAPABLE OF REDUCING POWER CONSUMPTION AND SEMICONDUCTOR SYSTEM INCLUDING THE SAME
    Publication number: 20180246662
    Abstract: A memory module may include a memory device and a power controller. The memory device may operate by being supplied with a first memory power supply voltage and a second memory power supply voltage. The power controller may receive a first power supply voltage and a second power supply voltage from a power source, and supply the first memory power supply voltage and the second memory power supply voltage by changing levels of the first power supply voltage and the second power supply voltage based on operation state information.
    Type: Application
    Filed: January 31, 2018
    Publication date: August 30, 2018
    Applicant: SK hynix Inc.
    Inventor: Jung Hyun KIM
  • Active matrix organic light-emitting diode display and method of controlling display thereof
    Patent number: 10048919
    Abstract: An method and apparatus are provided. The method includes, at an apparatus, determining a display mode to present content, selecting, based at least in part on the display mode, a display from a display module comprising a plurality of stacked displays, operatively coupled with the apparatus, and presenting at least a part of the content via the display.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: August 14, 2018
    Assignee: Samsung Electronics, Co., Ltd.
    Inventors: Jung Hyun Kim, Dong Sub Kim
  • Composition for manufacturing optical elements with negative optical dispersion, and optically anisotropic body manufactured therefrom
    Patent number: 10023800
    Abstract: The present invention relates to a composition for manufacturing optical elements with negative optical dispersion, and an optically anisotropic body prepared therefrom. According to the present invention, the optically anisotropic body showing stable reverse wavelength dispersion can be prepared more simply by using the composition for optical elements, and it is possible to apply the same to liquid crystal display devices as an optical film such as a thin-layer broadband ?/4 plate.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: July 17, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jung Hyun Kim, Sung-Ho Chun, Kyung Chang Seo, Min Hyung Lee, Jun Seong Ahn
  • LIGHT EMITTING DEVICE AND MANUFACTURING METHOD OF THE SAME
    Publication number: 20180198018
    Abstract: A light emitting device includes: a substrate; a first electrode disposed on the substrate; a first insulating layer disposed on the substrate to be spaced apart from the first electrode, the first insulating layer having a first height; a second electrode disposed on the first insulating layer; and a bar type LED disposed on the substrate, wherein the bar type LED has a first end and a second end in the length direction thereof, one of the first end and the second end is connected to the first electrode, and the other of the first end and the second end is connected to the second electrode.
    Type: Application
    Filed: December 27, 2017
    Publication date: July 12, 2018
    Inventors: Jung Hyun KIM, Hyun Min CHO
  • Self-rechargeable hybrid battery and electronic device comprising the same
    Patent number: 10020118
    Abstract: The present invention relates to a self-rechargeable hybrid battery and an electronic device including the same. Since the self-rechargeable hybrid battery includes a solar cell and a capacitor which is charged by current output from the solar cell, the charging efficiency of energy output from a solar cell may be increased in an eco-friendly manner, and the self-rechargeable hybrid battery includes electrodes having high transparency, electrical conductivity and interfacial capacitance, and thus may be applied to a transparent device.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: July 10, 2018
    Assignee: UNIVERSITY-INDUSTRY FOUNDATION, YONSEI UNIVERSITY
    Inventors: Jung-Hyun Kim, Seung Hwan Lee, Jung Joon Lee, Dohyuk Yoo, So Yeon Kim, Se Yul Kim, Hongkwan Park
  • METHOD AND APPARATUS FOR DETERMINING SIGNATURE ACTOR AND IDENTIFYING VIDEO BASED ON PROBABILITY OF APPEARANCE OF SIGNATURE ACTOR
    Publication number: 20180189571
    Abstract: A signature actor determination method for video identification includes setting a list of actors who appear in each of a plurality of videos, generating a plurality of subsets including the actors, and determining that an actor included in a single final set indicating a first video among the plurality of subsets is a signature actor of the first video. Accordingly, video identification is possible by using just a little information.
    Type: Application
    Filed: February 9, 2017
    Publication date: July 5, 2018
    Inventors: Yong Seok SEO, Dong Hyuck IM, Won Young YOO, Jee Hyun PARK, Jung Hyun KIM, Young Ho SUH
  • ELECTRONIC DEVICE INCLUDING GLASS HOUSING
    Publication number: 20180184532
    Abstract: An electronic device may comprise a housing including two opposite open ends and at least a portion comprising a light-transmitting material, a bracket disposed inside the housing and having a shape corresponding to the housing, a flexible display device disposed between the housing and the bracket and configured to display information to an outside through the light-transmitting portion of the housing, and a plurality of covers closing the open ends of the housing and supporting two opposite ends of the bracket, wherein the bracket may include an inner space for mounting electronic parts, and the bracket is length-adjustable in at least one direction. The housing may be formed of a glass tube. Thus, the housing may be formed into a desired shape by processing the glass tube. A stretchable bracket structure may be implemented inside the housing to come in tight contact with the housing.
    Type: Application
    Filed: December 7, 2017
    Publication date: June 28, 2018
    Inventors: Jung-Hyun KIM, Tae-Kon KIM, Seung-Taek OH, Jong-Chul CHOI
  • MEMORY DEVICE, MEMORY SYSTEM INCLUDING THE SAME, AND OPERATION METHOD THEREOF
    Publication number: 20180182445
    Abstract: A memory device may include first and second latch sections configured to respectively store a target address and a recent input address, a comparison unit configured to compare an input address with the target address and the recent input address respectively stored in the first and second latch sections, and output a resultant signal, a counting section configured to increase a count corresponding to the recent address stored in the second latch section in response to the resultant signal, and a control unit configured to check the count of the counting section and update the input address to the second latch section in response to the resultant signal.
    Type: Application
    Filed: October 9, 2017
    Publication date: June 28, 2018
    Inventors: Woo-Young LEE, Duck-Hwa HONG, Jung-Hyun KIM, Jae-Hoon CHA, Jeong-Tae HWANG
  • VEHICLE SIDE-REAR WARNING DEVICE AND METHOD USING THE SAME
    Publication number: 20180162274
    Abstract: A vehicle side-rear warning device includes a camera which records a side-rear of a vehicle, a sensor, a monitor which displays an image recorded by the camera, and a side-rear warning system control unit. An image signal recorded by the camera and a signal sensed by the sensor are input to the side-rear warning system control unit, which determines whether an object is located at a predetermined area of the side-rear of the vehicle based on the input image signal and the input signal sensed by the sensor. When the object is located within a predetermined area of the side-rear of the vehicle, the side-rear warning system control unit outputs a warning signal. The monitor displays the image signal received from the side-rear warning system control unit.
    Type: Application
    Filed: December 15, 2016
    Publication date: June 14, 2018
    Inventors: Jung Hyun Kim, Tae Hun Park, Manjin Kim
  • Electronic device including flexible display element
    Patent number: 9983629
    Abstract: An electronic device is provided. The electronic device includes a main body including a rigid section portion, and a flexible section portion extending from at least one side of the rigid section portion, and a display element, at least a portion of which is disposed on the rigid section portion and another portion is disposed on the flexible section portion. The flexible section portion is bendable to be curved in relation to the rigid section portion, and the display element may be bent to be curved in relation to the rigid section portion together with the flexible section portion.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: May 29, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Hun Ko, Jung-Hyun Kim
  • Refresh control circuit for target refresh operation of semiconductor memory device, and operating method thereof
    Patent number: 9953696
    Abstract: A semiconductor memory device may include: a memory cell region including a plurality of memory cells coupled between a plurality of word lines and a plurality of bit lines; and a refresh control block suitable for performing a first refresh operation onto the plurality of the word lines in response to a refresh signal, counting the number of active signals that are inputted between at least two neighboring refresh signals and when the counted number of the active signals is equal to or greater than a reference number, performing a second refresh operation onto a word line corresponding to a target address.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: April 24, 2018
    Assignee: SK Hynix Inc.
    Inventor: Jung-Hyun Kim
  • ELECTROSTATIC PROTECTION DIODE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING ELECTROSTATIC PROTECTION STRUCTURE
    Publication number: 20180076192
    Abstract: An organic light emitting display device includes a substrate including a pixel region and a peripheral region, a first wiring, a second wiring, a third wiring, and an electrostatic protection structure including electrostatic protection diodes coupled to the first, second, and third wirings. The electrostatic protection diodes each include an active pattern, a gate electrode pattern, and a connection pattern. The active pattern is at the peripheral region of the substrate, and has a first region, a second region spaced apart from the first region, and a third region between the first and second regions. The gate electrode pattern is at the third region on the active pattern. The connection pattern is coupled to the gate electrode pattern and the active pattern and is on the gate electrode pattern, and overlaps a portion of the first region of the active pattern and a portion of the third region.
    Type: Application
    Filed: June 30, 2017
    Publication date: March 15, 2018
    Inventors: Jung-Hyun KIM, Yeon-Hong KIM, Ki-Wan AHN
  • ELECTRONIC DEVICE AND METHOD OF CONTROLLING THE SAME
    Publication number: 20180067817
    Abstract: An electronic device and a method of controlling the same are provided. The electronic device includes a new memory configured to include a main memory region and a file system region and a processor configured to perform computing and perform checkpointing on the main memory region and the file system region depending on a predetermined condition, wherein the main memory region includes a checkpoint table to which information on a page in which data are changed is written, and the processor initializes the checkpoint table and sets an attribute of pages of the main memory region to read-only at the time of performing the checkpointing on the main memory region.
    Type: Application
    Filed: September 1, 2017
    Publication date: March 8, 2018
    Inventors: Sam-hyuk NOH, Young-je MOON, Jae-hyeong PARK, Hyun-sub SONG, Jung-hyun KIM
  • REFRESH CONTROL CIRCUIT FOR TARGET REFRESH OPERATION OF SEMICONDUCTOR MEMORY DEVICE, AND OPERATING METHOD THEREOF
    Publication number: 20180061476
    Abstract: A semiconductor memory device may include: a memory cell region including a plurality of memory cells coupled between a plurality of word lines and a plurality of bit lines; and a refresh control block suitable for performing a first refresh operation onto the plurality of the word lines in response to a refresh signal, counting the number of active signals that are inputted between at least two neighboring refresh signals and when the counted number of the active signals is equal to or greater than a reference number, performing a second refresh operation onto a word line corresponding to a target address.
    Type: Application
    Filed: March 2, 2017
    Publication date: March 1, 2018
    Inventor: Jung-Hyun KIM
  • FLEXIBEL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
    Publication number: 20180059822
    Abstract: A flexible display device and a method of driving a flexible display device are provided. The method of driving the flexible display device includes detecting a capacitance change with respect to at least some coordinates of a display area, determining whether bending is occurring through the detected capacitance change, and setting a driving mode in response to a result of the step of determining whether bending is occurring, wherein the driving mode is converted into a bending mode when it is determined that bending is occurring, and the driving mode is set into a force touch mode when it is determined that bending is not occurring.
    Type: Application
    Filed: July 31, 2017
    Publication date: March 1, 2018
    Inventors: Young Seok SEO, Won-Ki HONG, Jung Hyun KIM, Hyoung Wook JANG
  • Electronic device including glass cover and methods for fabricating same
    Patent number: 9907193
    Abstract: Disclosed is an electronic device including a housing with a first surface facing a first direction and a second surface facing a second, opposite direction. A glass cover may form at least a portion of the first surface. A display may be exposed through the glass cover. At least one protrusion is configured to absorb external impact to the electronic device. The protrusion protrudes from the first surface and is formed as part of the glass cover or protrudes through a hole in the glass cover.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: February 27, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha Lim Lee, Myung Gon Kim, Jung Hyun Kim, Soon Ho Han, Tae Kon Kim, Hyun Suk Shin, Seo Hyun Kim, Kun Chan Seo, Seung Hoon Lee, Jong Chul Choi
  • Organic light emitting display panel and method of manufacturing the same
    Patent number: 9905588
    Abstract: A display panel and a method for manufacturing the display panel are discussed. The display panel includes a substrate; an active layer on the substrate; and a passivation layer on the active layer, wherein the active layer includes a channel part, a first electrode connection part and a second electrode connection part on opposite sides of the channel part in a first direction, and a first taper part and a second taper part on opposite sides of the channel part in a second direction crossing the first direction, and wherein a carrier concentration of each of the first taper part and the second taper part is different from those of the channel part, the first electrode connection part and the second electrode connection part.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: February 27, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ki Woo Kim, Jung Hyun Kim, Jong Seuk Kang, Hyung Jin Bang, Yoon Ji Choi, Min Ho Shin, Choong Koo Park
  • Case for mobile communication terminal
    Patent number: D810064
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: February 13, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam-Su Kim, Jung-Hyun Kim, Sae-Hee Lee, Do-Hyung Ha
  • Display device
    Patent number: D811395
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: February 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Sung Bae, Mu Gyeom Kim, Jung Hyun Kim, Chang Yong Jeong