Patents by Inventor Kwang Hyun Kim

Kwang 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).

  • Liquid dispensing device
    Patent number: 9950272
    Abstract: The present invention relates to a liquid dispensing device which is placed inside a distillation column and can precisely control the supply ratio of a liquid to continuously supply the liquid. The liquid dispensing device is placed inside a distillation column, thereby reducing the total installation space.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: April 24, 2018
    Assignee: AMTPacific Co., Ltd.
    Inventors: Byeong Kyeom Lee, Kwang Hyun Kim
  • Semiconductor device, semiconductor system including the same and test method thereof
    Patent number: 9911507
    Abstract: A semiconductor device includes a memory region suitable for providing a plurality of read data in parallel at every read operation cycle, an output path suitable for outputting the plurality of read data at a set time in response to an internal clock and one or more internal control signals at the every read operation cycle, and an output path control unit suitable for generating the internal control signal in response to a read command and generating the internal clock in response to a system clock, wherein a shifting time of a first edge of the internal clock is adjusted by a set level at the every read operation cycle during a test mode.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: March 6, 2018
    Assignee: SK Hynix Inc.
    Inventors: Kwang-Hyun Kim, Kang-Youl Lee
  • Semiconductor memory device outputting read-busy signal and memory system including the same
    Patent number: 9911479
    Abstract: A semiconductor memory device includes a plurality of memory cells; a peripheral circuit suitable for controlling the memory cells, and operating in first and second modes respectively corresponding to enablement and disablement of a chip selection signal; and a ready-busy signal generator suitable for biasing a ready-busy line according to whether the peripheral circuit is in a ready or busy state during the enablement of the chip selection signal. Communication between the semiconductor memory device and an external device is allowed in the first mode. The communication between the semiconductor memory device and the external device is not allowed in the second mode.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: March 6, 2018
    Assignee: SK Hynix Inc.
    Inventors: Jae Hyeong Jeong, Kwang Hyun Kim
  • ORGANIC LIGHT-EMITTING ELEMENT AND DISPLAY DEVICE HAVING THE SAME
    Publication number: 20180062104
    Abstract: An organic light-emitting display device has improved transmittance and UV light reliability by optimizing the thickness and material of a cathode. An organic light-emitting display device comprises an organic light-emitting element on a substrate, the organic light-emitting element including an anode, an organic light emitting layer, and a cathode, an organic layer between the substrate and the organic light-emitting element, and an auxiliary layer adjacent to the cathode and including a material having electron injection ability, such that the influence of UV lights on the OLED device is reduced, thereby improving the efficiency and lifespan of the organic light-emitting element.
    Type: Application
    Filed: August 9, 2017
    Publication date: March 1, 2018
    Inventors: Sun Kap KWON, Kwan Soo KIM, Kyu Il HAN, Kwang Hyun KIM, Mi Na KIM
  • Composition for preventing, treating and improving of voiding dysfunction comprising extract from Piper longum L.
    Publication number: 20180055902
    Abstract: The present invention relates to a pharmaceutical composition for preventing or treating voiding dysfunction and a health functional food for preventing or improving of voiding dysfunction, comprising extract of Piper Longum L. as an active ingredient. The extract of Piper Longum L. according to the present invention is not only harmless, but also has outstanding effects of preventing, treating and improving voiding dysfunction by being involved in various mechanisms related to voiding dysfunction simultaneously so that it may increase a micturition interval, decrease a micturition pressure, increase a bladder capacity, inhibit detrusor contraction and induce relaxation of detrusor.
    Type: Application
    Filed: October 27, 2017
    Publication date: March 1, 2018
    Applicant: DONG WHA PHARM. CO., LTD.
    Inventors: Da-Ae PARK, Yoon-Young CHANG, Kwang-Hyun KIM, Sang-Ho LEE, Chan-Seok JEON, Hyun-Yong LEE
  • COMPOSITION CONTAINING EXTRACT OR FRACTION OF GENUS JUSTICIA PLANT
    Publication number: 20170360862
    Abstract: The present invention relates to a pharmaceutical composition, food composition and cosmetic composition for preventing, treating, or improving allergic diseases comprising extract or fraction of a plant of the Justicia genus as an active ingredient. The extract or a fraction of a plant of the Justicia genus according to the present invention can inhibit IgE antibody secretion and the degranulation of mast cells and basophils, and exhibits an excellent anti-allergic effect, and thus can effectively prevent, treat, or improve allergic diseases.
    Type: Application
    Filed: October 16, 2015
    Publication date: December 21, 2017
    Applicant: DONG WHA PHARM. CO., LTD.
    Inventors: Joo Byoung Yoon, Hyun Yong Lee, Ji Hyun Youm, Kwang Hyun Kim, Ji Hyun Jeon, Hwan Bong Chang, Yun Ha Hwang, Seung Kyoo Seong, Dong Rack Choi
  • DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20170357120
    Abstract: A display device includes a first substrate and a second substrate which face each other, a first retarder which is disposed between the first substrate and the second substrate and is a positive C plate and a second retarder which is disposed on an outer side of the second substrate and is a negative biaxial film.
    Type: Application
    Filed: March 23, 2017
    Publication date: December 14, 2017
    Inventors: Kwang Hyun KIM, Sang Jae KIM, Yun JANG
  • Condensed-cyclic compound and organic light-emitting device comprising the same
    Patent number: 9837614
    Abstract: A condensed-cyclic compound represented by Formula 1 and an organic light-emitting device including the condensed-cyclic compound. wherein R1 to R10 are defined as in the specification.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: December 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Young Lee, Seok-Hwan Hwang, Young-Kook Kim, Jun-Ha Park, Hye-Jin Jung, Jin-O Lim, Jong-Woo Kim, Sang-Hyun Han, Kwang-Hyun Kim, Eun-Jae Jeong, Soo-Yon Kim
  • MEMORY DEVICE SHARED BY TWO OR MORE PROCESSORS AND SYSTEM INCLUDING THE SAME
    Publication number: 20170337966
    Abstract: A common memory device shared by a first processor and a second processor is provided. The common memory device includes a memory cell array including a first memory region allocated for the first processor and a second memory region allocated for the second processor, a refresh masking information storage circuit configured to store refresh masking information indicating whether a refresh is performed on at least one of the first and second memory regions, and a refresh circuit configured to selectively perform the refresh on the first memory region and the second memory region according to the refresh masking information.
    Type: Application
    Filed: April 3, 2017
    Publication date: November 23, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kwang Hyun KIM, Ki Seok OH
  • DISPLAY DEVICE
    Publication number: 20170336675
    Abstract: A display device, in which a plurality of pixels is defined, includes: a first insulating substrate; a polarizer disposed on a surface of the first insulating substrate; a second insulating substrate which faces the surface of the first insulating substrate; and a liquid crystal layer interposed between the polarizer and the second insulating substrate, where the liquid crystal layer includes liquid crystals and a dichroic dye.
    Type: Application
    Filed: February 14, 2017
    Publication date: November 23, 2017
    Inventors: Sang Jae KIM, Kwang Hyun KIM, Young Jin PARK, Yun JANG
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 9825231
    Abstract: A condensed cyclic compound and an organic light—emitting device including the same, the condensed cyclic compound being represented by Formula 1:
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: November 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang-Hyun Kim, Seok-Hwan Hwang, Young-Kook Kim, Jun-Ha Park, Hye-Jin Jung, Eun-Young Lee, Jong-Woo Kim, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim
  • Display Device Having Improved Transmissivity and Method of Manufacturing the Same
    Publication number: 20170299917
    Abstract: A display device comprises a first substrate; a color filter layer disposed on the first substrate; a first enclosed microcavity disposed on the color filter layer; an upper liquid crystal layer disposed in the first enclosed microcavity and comprising a dye having a complementary color with respect to a color of the color filter layer; a second substrate facing the first substrate; a second enclosed microcavity disposed on the second substrate; and a lower liquid crystal layer disposed in the second enclosed microcavity and comprising a dye having a complementary color with respect to a color of the color filter layer.
    Type: Application
    Filed: February 14, 2017
    Publication date: October 19, 2017
    Inventors: Yun Jang, Kwang-Hyun Kim, Sangjae Kim, Seungbeom Park
  • Organic light emitting display device
    Patent number: 9786720
    Abstract: An organic light emitting display device including, according to one embodiment, a substrate having first, second, and third pixel areas; a first hole transporting layer on the substrate; a first emission common layer on the first transport layer; a second emission common layer on the first emission common layer; a third emission common layer on the second emission common layer; a second hole transporting layer between the first hole transporting layer and the first emission common layer, the second hole transporting layer disposed on the first pixel area; a third hole transporting layer between the first and second emission common layers, the third hole transporting layer disposed on the second pixel area; and a fourth hole transporting layer between the second and third emission common layers, the fourth hole transporting layer disposed on the third pixel area.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: October 10, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Mi-Na Kim, Kwang Hyun Kim, Jin Ho Park
  • Memory device and a method of operating the same
    Patent number: 9704571
    Abstract: A method of operating a memory device includes writing cell data having one of at least three states to a memory cell; amplifying a voltage level of a bit line connected to the memory cell; determining that the cell data is in a first state when the voltage level of the bit line sensed at a sensing point is equal to or greater than a first reference voltage; determining that the cell data is in a second state when the voltage level of the bit line sensed at the sensing point is equal to or less than a second reference voltage which has a lower voltage level than the first reference voltage; and determining that the cell data is in a third state when the cell data is not in the first or second states.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: July 11, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Do-Kyun Kim, Dong-Yang Lee, Kwang-Hyun Kim
  • SEMICONDUCTOR DEVICE, SEMICONDUCTOR SYSTEM INCLUDING THE SAME AND TEST METHOD THEREOF
    Publication number: 20170194060
    Abstract: A semiconductor device includes a memory region suitable for providing a plurality of read data in parallel at every read operation cycle, an output path suitable for outputting the plurality of read data at a set time in response to an internal clock and one or more internal control signals at the every read operation cycle, and an output path control unit suitable for generating the internal control signal in response to a read command and generating the internal clock in response to a system clock, wherein a shifting time of a first edge of the internal clock is adjusted by a set level at the every read operation cycle during a test mode.
    Type: Application
    Filed: March 17, 2017
    Publication date: July 6, 2017
    Inventors: Kwang-Hyun KIM, Kang-Youl LEE
  • Pyrene-based compound and organic light-emitting device including the same
    Patent number: 9680106
    Abstract: A pyrene-based compound is represented by Formula 1: where R11 to R14, L11, m11, n11, k11, a12, a13, and a14 are as defined in the specification.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: June 13, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Young Lee, Kwang-Hyun Kim, Young-Kook Kim
  • Condensed cyclic compound and organic light-emitting device comprising the same
    Patent number: 9660197
    Abstract: A condensed cyclic compound represented by Formula 1: Also disclosed is an organic light-emitting device including a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and the condensed cyclic compound of Formula 1. An organic light-emitting device including the condensed cyclic compound of Formula 1 may have low driving voltage, high efficiency, a high luminance, and long lifetime.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: May 23, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Hye-Jin Jung, Kwang-Hyun Kim, Young-Kook Kim, Jong-Woo Kim, Hyoung-Kun Kim
  • On-die termination enable signal generator, semiconductor apparatus, and semiconductor system
    Patent number: 9654105
    Abstract: A semiconductor apparatus may include an on-die termination (ODT) enable signal generator configured to enable an ODT enable signal in response to a data strobe signal, or enable the ODT enable signal in response to a command latch enable signal and an address latch enable signal. The semiconductor apparatus may include an ODT circuit configured to perform an ODT operation in response to the ODT enable signal.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: May 16, 2017
    Assignee: SK hynix Inc.
    Inventor: Kwang Hyun Kim
  • Memory control unit and data storage device including the same
    Patent number: 9652403
    Abstract: A data storage device includes a storage memory device, a control unit suitable for generating a descriptor, which describes a work for controlling the storage memory device, and storing the descriptor in a working memory, and a memory control unit suitable for generating control signals for the storage memory device by fetching an instruction set from an instruction memory based on the descriptor.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: May 16, 2017
    Assignee: SK Hynix Inc.
    Inventors: Jae Woo Kim, Kwang Hyun Kim
  • Memory device, method of generating log of command signals/address signals of memory device, and method of analyzing errors of memory device
    Patent number: 9646719
    Abstract: A memory device includes first and second memory cell arrays, a first controller, and a second controller. The first controller controls the first memory cell array through first word line signals and first bit line signals to execute an operation corresponding to a command signal based on an address signal and a data signal. The second controller includes first and second mode registers. The second controller writes sampled values of the address signal and the command signal to the second memory cell array through access signals to form a log in response to stored values of the first and second mode registers or reads stored values of the second memory cell array as the data signal through the access signals.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kwang-Hyun Kim