Patents by Inventor Hyeon Cheol PARK

Hyeon Cheol PARK 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).

  • Publication number: 20180205591
    Abstract: Disclosed is a 5G or pre-5G communication system to be provided so as to support a data transmission rate higher than that of a 4G communication system such as long term evolution (LTE). According to the present disclosure, a method for transmitting a signal in a communication system supporting multi-user access comprises the steps of: transmitting, to a receiving device, information indicating a codebook formed on the basis of at least two signal constellations for sparse code multiple access (SCMA) transmissions; and transmitting signals on the basis of the codebook, wherein the at least two signal constellations are generated on the basis of energy values of symbols of a pre-given mother signal constellation and sizes of the symbols of the mother signal constellation.
    Type: Application
    Filed: July 27, 2016
    Publication date: July 19, 2018
    Inventors: Woo-Wan WANG, Hyeon-Cheol PARK, Seung-Chan LIM, Sang-Wook SUH
  • Publication number: 20180204679
    Abstract: A dielectric composite including a plurality of crystal grains including a semiconductor or conductive material, and a grain boundary insulation layer between the crystal grains, wherein the grain boundary insulation layer includes a two-dimensional layered material covering at least a portion of a surface of at least one of the crystal grains, and a multi-layered capacitor and an electronic device including the same.
    Type: Application
    Filed: January 19, 2018
    Publication date: July 19, 2018
    Inventors: Chan KWAK, Hyun Sik KIM, Jong Wook ROH, Kyoung-Seok MOON, Hyeon Cheol PARK, Yoon Chul SON, Daejin YANG, Doh Won JUNG, Youngjin CHO
  • 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: 9969893
    Abstract: An aqueous composition including: a conductive metal nanoparticle having an organic compound disposed on a surface of the conductive metal nanoparticle; a conductive metal nanowire; and a solvent including water and optionally an alcohol.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: May 15, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Kwang Hee Kim, Daejin Yang, Jong Wook Roh, Rujun Ma, Hyeon Cheol Park, Seung-Hyun Baik, Jae-Young Choi
  • Patent number: 9955577
    Abstract: A conductive component including: a substrate, a first layer comprising a plurality of island structures disposed on the substrate, wherein the island structures include graphene; and a second layer disposed on the first layer, wherein the second layer includes a plurality of conductive nanowires. Also, an electronic device including the conductive component.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: April 24, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Youngjin Cho, Hyeon Cheol Park, Kwanghee Kim, Weonho Shin, Daejin Yang
  • Patent number: 9936865
    Abstract: Fiber scanning optical probes and medical imaging apparatuses including the same are provided. The fiber scanning optical probe includes an optical fiber; an actuator attached onto the optical fiber and configured to drive the optical fiber at a driving resonance frequency; a mass provided at a side of the optical fiber and configured to control the driving resonance frequency; and a frequency separator provided on a portion of the optical fiber between the actuator and the mass, the frequency separator being configured to separate the driving resonance frequency into separate resonance frequencies.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: April 10, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Min-seog Choi, Ki-Hun Jeong, Hyeon-Cheol Park, Seun-wan Lee
  • Patent number: 9900979
    Abstract: A conductor includes a substrate, a first conductive layer disposed on the substrate and including two or more islands including graphene, and a second conductive layer disposed on the first conductive layer and including a conductive metal nanowire, wherein at least one of an upper surface and a lower surface of the islands including graphene includes a P-type dopant.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: February 20, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hiesang Sohn, Chan Kwak, Mi Jeong Kim, Hyeon Cheol Park, Weonho Shin, Youngjin Cho
  • Patent number: 9835852
    Abstract: Provided are a scanner for two-dimensional optical scanning capable of implementing two-dimensional driving by one input signal without an additional structure for modulating a resonance frequency using modulation of the resonance frequency through asymmetry of the scanner itself, and a manufacturing method thereof. In addition, there is provided a manufacturing method of a scanner for two-dimensional optical scanning capable of implementing compact packaging through a micro electro mechanical systems (MEMS) process to miniaturize the scanner, such that it may be used in a micro-miniature system such as an endoscope and capable of increasing precision of the scanner and manufacturing the scanner in various shapes and at a low cost. Further, there is provided a medical imaging apparatus using a scanner for two-dimensional optical scanning capable of providing a medical image having improved quality without crosstalk between axes through separation of resonance frequencies.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: December 5, 2017
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ki-Hun Jeong, Yeong-Hyeon Seo, Hyeon Cheol Park, Kyung Min Hwang
  • Publication number: 20170273181
    Abstract: A conductor includes a substrate, a first conductive layer disposed on the substrate and including two or more islands including graphene, and a second conductive layer disposed on the first conductive layer and including a conductive metal nanowire, wherein at least one of an upper surface and a lower surface of the islands including graphene includes a P-type dopant.
    Type: Application
    Filed: August 18, 2016
    Publication date: September 21, 2017
    Inventors: Hiesang SOHN, Chan KWAK, Mi Jeong KIM, Hyeon Cheol PARK, Weonho SHIN, Youngjin CHO
  • Publication number: 20170188456
    Abstract: A conductive component including: a substrate, a first layer comprising a plurality of island structures disposed on the substrate, wherein the island structures include graphene; and a second layer disposed on the first layer, wherein the second layer includes a plurality of conductive nanowires. Also, an electronic device including the conductive component.
    Type: Application
    Filed: April 20, 2016
    Publication date: June 29, 2017
    Inventors: Youngjin CHO, Hyeon Cheol PARK, Kwanghee KIM, Weonho SHIN, Daejin YANG
  • Patent number: 9666324
    Abstract: A transparent conductive thin film and an electronic device including the same are disclosed, the transparent conductive thin film including a titanium nitride or a zirconium nitride having a heterometal element selected from zinc (Zn), gallium (Ga), indium (In), and a combination thereof.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: May 30, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeon Cheol Park, Kwang Hee Kim, Chan Kwak, Yoon Chul Son, Sang Mock Lee
  • Publication number: 20170133469
    Abstract: A transparent electrode including: 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: Application
    Filed: August 15, 2016
    Publication date: May 11, 2017
    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
  • Publication number: 20170125136
    Abstract: A transparent electrode including: a first layer including a thermosetting copolymer including a first repeating unit having an aromatic moiety as a pendant group or incorporated in a backbone of the copolymer and a second repeating unit capable of lowering a curing temperature, a combination of a first polymer including the first repeating unit and a second polymer including the second repeating unit, or a combination thereof; a second layer disposed directly on one side of the first layer, wherein the second layer includes graphene; and a third layer disposed on the second layer, wherein the third layer includes an electrically conductive metal nanowire.
    Type: Application
    Filed: November 4, 2016
    Publication date: May 4, 2017
    Inventors: Hyeon Cheol PARK, Youngjin CHO, Daejin YANG, Chan KWAK, Kwanghee KIM, Weonho SHIN, Yun Sung WOO
  • Publication number: 20170113443
    Abstract: A conductive film including: a substrate; an electrically conductive layer disposed on the substrate, wherein the electrically conductive layer includes a plurality of nano-sized conductors; and a protective layer disposed directly on the electrically conductive layer, wherein the protective layer includes a crosslinked polymer having a perfluorinated backbone.
    Type: Application
    Filed: October 18, 2016
    Publication date: April 27, 2017
    Inventors: Daejin YANG, Weonho SHIN, Yun Sung WOO, Hyeon Cheol PARK
  • Patent number: 9546415
    Abstract: Disclosed are a composite transparent electrode, a production method thereof, and an electronic device including the same, wherein the composite transparent electrode includes a metal nitride thin film including at least one of indium (In), titanium (Ti), zinc (Zn), zirconium (Zr), and gallium (Ga), and a metal oxide thin film including at least one of indium (In), zinc (Zn), tin (Sn), and titanium (Ti), the metal oxide thin film being formed on one surface or opposite surfaces of the metal nitride thin film.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: January 17, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeon Cheol Park, Kwang Hee Kim, Chan Kwak, Yoon Chul Son, Sang Mock Lee
  • Patent number: 9544999
    Abstract: A transparent electrode includes: a substrate; an electrically conductive layer disposed on the substrate and including a plurality of nano-sized conductors; and an organic/inorganic composite layer directly disposed on the electrically conductive layer and including a cross-linked polymer and nano-sized inorganic oxide particles, wherein the nano-sized inorganic oxide particles are included in an amount of greater than or equal to about 1 part by weight and less than about 35 parts by weight, relative to 100 parts by weight of the cross-linked polymer. Also an electronic device including the same.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: January 10, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Weonho Shin, Yun Sung Woo, Daejin Yang, Jinyoung Hwang, Chan Kwak, Hyeon Cheol Park, Jae-Young Choi
  • Patent number: 9440853
    Abstract: A hafnium telluride compound includes a layered crystal structure and represented by the following Chemical Formula 1. Hf3Te2-xAx??[Chemical Formula 1] Herein, A is at least one selected from phosphorus (P), Arsenic (As), antimony (Sb), bismuth (Bi), sulfur (S) and selenium (Se), and 0<x?1.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: September 13, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kimoon Lee, Byungki Ryu, Yoon Chul Son, Hyeon Cheol Park, Sang Mock Lee
  • Publication number: 20160193571
    Abstract: Disclosed are a separation membrane including a Group 5-based alloy, wherein crystal particles in the alloy have an average minor axis length of about 3 ?m to about 10 ?m and an aspect ratio of about 1:8 to 1:20, wherein the alloy is represented by the following Chemical Formula 1, and a method of manufacturing the same. AxByCz ??(Chemical Formula 1) In Chemical Formula 1, A is vanadium, niobium, or tantalum, B and C are same or different and are independently selected from nickel (Ni), aluminum (Al), iron (Fe), cobalt (Co), manganese (Mn), iridium (Ir), palladium (Pd), and platinum (Pt), x is a real number of greater than or equal to about 0.8 and less than 1, y+z=1?x, and y and z are independently real numbers of greater than or equal to about 0.
    Type: Application
    Filed: September 5, 2014
    Publication date: July 7, 2016
    Inventors: Kyoung-Seok MOON, Keunwoo CHO, Kwanghee KIM, Hyeon Cheol PARK, Eun Seog CHO
  • Publication number: 20160192483
    Abstract: A transparent electrode includes: a substrate; an electrically conductive layer disposed on the substrate and including a plurality of nano-sized conductors; and an organic/inorganic composite layer directly disposed on the electrically conductive layer and including a cross-linked polymer and nano-sized inorganic oxide particles, wherein the nano-sized inorganic oxide particles are included in an amount of greater than or equal to about 1 part by weight and less than about 35 parts by weight, relative to 100 parts by weight of the cross-linked polymer. Also an electronic device including the same.
    Type: Application
    Filed: October 21, 2015
    Publication date: June 30, 2016
    Inventors: Weonho SHIN, Yun Sung WOO, Daejin YANG, Jinyoung HWANG, Chan KWAK, Hyeon Cheol PARK, Jae-Young CHOI
  • Patent number: 9380366
    Abstract: A sound output mechanism of a mobile device capable of outputting visual and sound signals, for example, a smart phone, tablet PC, MP4 (including MP3) has an image output unit and a sound processing unit. The image output unit of the mobile device is arranged on the entire surface of a main body and the sound processing unit for outputting vibration power and sound is firmly secured at the inside thereof without increasing the volume or the area thereof.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: June 28, 2016
    Assignee: YEIL ELECTRONICS CO., LTD.
    Inventors: Yoon Kyu Kang, Hyeon Cheol Park