公开(公告)号：US10647862B2

公开(公告)日：2020-05-12

申请号：US16193673

申请日：2018-11-16

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  Korea Advanced Institute of Science and Technology

Inventor： Chan Ul Jeong ,  Sang Hoon Han ,  Jong Bin Kim ,  Shin Hyun Kim ,  Gun Ho Lee

IPC: C08F2/46 ,  C08F2/50 ,  C08G61/04 ,  C09D11/037 ,  G02B1/02 ,  C09B59/00 ,  C09D11/107 ,  C09D11/101

Abstract: Disclosed are an ink composition including light-absorbing nanoparticles and a photonic crystal structure formed using the same. The ink composition may include inorganic particles; monomer; photoinitiator; and nanoparticles light-absorbing nanoparticles to provide the photonic crystal structure. As consequence, problems such as low color sharpness, which makes photonic crystals visible, and attaining high productivity may be eliminated. Moreover, white scattering can be reduced, and thus a distinctive color can be exhibited even when there is a difference between a reflection angle and an observation angle of light, thereby improving visibility.

公开(公告)号：US20200144978A1

公开(公告)日：2020-05-07

申请号：US16215864

申请日：2018-12-11

Applicant: Korea Advanced Institute of Science and Technology

Inventor： ChulSoon Park ,  SeungHun Kim

IPC: H03G3/30 ,  H03F1/02 ,  H03F3/04 ,  H03F1/56

Abstract: A wideband variable gain amplifier (VGA) having a low phase change is disclosed. The first VGA amplifies an input signal by a current steering manner so that an amplification gain is variable. The larger a variable gain amount of the first output signal amplified by the first VGA is, the more a relative phase change amount gradually increases in either positive direction or negative direction. The second VGA further amplifies the first amplified output signal in the current steering manner so as to vary the amplification gain. As a variable gain amount of a second output signal amplified by the second VGA becomes larger, a relative phase change amount gradually increases in a direction opposite to the phase change direction of the first VGA. This opposing phase changes of the first and second VGAs are canceled against each other to provide a variable amplification gain over the wideband frequency range with a low phase change.

公开(公告)号：US10600188B2

公开(公告)日：2020-03-24

申请号：US15595568

申请日：2017-05-15

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Junkyun Choi ,  Jinhong Yang ,  Kyu Yeong Jeon ,  Hyo Jin Park

IPC: G06T7/215 ,  G06F3/06 ,  G06T11/00 ,  G06F17/22 ,  H04N13/366 ,  H04N5/232 ,  G02B13/06 ,  H04N5/222 ,  G02B27/00 ,  G02B27/01

Abstract: A method and a system for correcting a field of view (FOV) using tilt information of a user terminal upon playback of a 360-degree image. The method includes requesting to load a 360-degree image, correcting at least one of a tilt of the mobile terminal and a sensing value associated with a gesture input of the mobile terminal, for determining an FOV of the 360-degree image, with respect to the 360-degree image, and playing back the 360-degree image by exposing an FOV depending on at least the corrected tilt or the corrected sensing value.

公开(公告)号：US10586887B2

公开(公告)日：2020-03-10

申请号：US16036556

申请日：2018-07-16

Applicant: Korea Advanced Institute of Science and Technology

Inventor： Yong-Hoon Cho ,  Hwanseop Yeo ,  JongHoi Cho

IPC: H01L33/06 ,  H01L33/00 ,  H01L33/08 ,  H01L33/24 ,  H01L33/38 ,  G06F21/31 ,  H01L33/32 ,  G06N10/00 ,  H01L27/15

Abstract: Disclosed are a deterministic quantum emitter operating at room temperature in an optical communication wavelength using the intersubband transition of a nitride-based semiconductor quantum dot, a method of fabricating the same, and an operating method thereof. A method of fabricating a quantum emitter includes forming a three-dimensional (3-D) structure in a substrate, forming an n type-doped thin film at the upper part of the 3-D structure, forming a quantum dot over the n type-doped thin film, regrowing the 3-D structure in order to use the 3-D structure as an optical structure, depositing a metal thin film at a vertex of the 3-D structure, and connecting electrodes to an n type-doped area and the metal thin film, respectively. A carrier may be captured in the quantum dot by applying a voltage to the connected electrodes. The quantum emitter may be driven by optically exciting the quantum dot.

公开(公告)号：US10583452B2

公开(公告)日：2020-03-10

申请号：US15480863

申请日：2017-04-06

Applicant: Korea Advanced Institute of Science And Technology

Inventor： Taek-Soo Kim ,  Sumin Kang

IPC: B05C1/08 ,  C23C16/06 ,  C23C14/00 ,  C23C14/14 ,  B05C1/02 ,  B05D1/28 ,  C23C14/02 ,  C23C14/08 ,  C23C16/01 ,  C23C22/13 ,  B05D1/20 ,  B05D1/00

Abstract: A method for coating a thin film in a rolling manner and a thin film coating apparatus are provided. The method includes: floating a thin film material on a liquefied material; rolling a cylindrical substrate after contacting the cylindrical substrate with the thin film material; and coating the thin film material on a surface of the cylindrical substrate by using an attraction force between the surface of the cylindrical substrate and the thin film material.

公开(公告)号：US20200067069A1

公开(公告)日：2020-02-27

申请号：US16489273

申请日：2018-06-22

Applicant: LG CHEM, LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Eunkyung PARK ,  Jang Wook CHOI ,  Sung Hyeon PARK ,  Minchul JANG ,  Suk Il YOUN ,  Byoungkuk SON ,  Se Ho PARK

IPC: H01M4/04 ,  D01D5/00 ,  D01F9/14 ,  H01M4/36 ,  H01M4/485 ,  H01M4/587 ,  H01M10/0568 ,  H01M10/0569

Abstract: A method of preparing a structure, more particularly, a method of preparing a structure capable of ensuring a space for carrying an electrode active material by a simple method which includes an electrospinning process using a double nozzle electrospinning device and a heat treatment process.

公开(公告)号：US10560731B2

公开(公告)日：2020-02-11

申请号：US15924637

申请日：2018-03-19

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Dong Su Han ,  Hyun Ho Yeo ,  Seong Hyeon Do

IPC: H04N21/25 ,  G06K9/66 ,  H04N21/2343 ,  G06K9/00 ,  H04N21/61 ,  H04N21/2668 ,  G06K9/62 ,  G06K9/46

Abstract: The present disclosure provides a method and a server apparatus for delivering content based on content-aware using a neural network. A server apparatus for content delivery is provided, including a content clustering unit for clustering multiple contents provided from a content provider based on a similarity; a training unit for training a cluster-wise content reconstruction model by using contents contained in each cluster in accordance with a result of clustering performed by the content clustering unit; a storage unit for storing the multiple contents and the cluster-wise content reconstruction model; and a transmission unit for transmitting content requested by a user and a content reconstruction model corresponding to a cluster containing the content requested to a user terminal.

公开(公告)号：US20200032011A1

公开(公告)日：2020-01-30

申请号：US16337179

申请日：2017-09-27

Applicant: KOLON INDUSTRIES, INC. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hong Gu HWANG ,  Jung Seok HAHN ,  Haeshin LEE ,  Younseon WANG

IPC: C08J5/08 ,  C08K7/22 ,  C08L79/02 ,  C09D179/02 ,  C09J179/02

Abstract: The present invention relates to a curable composition and a use thereof and, more particularly, to a curable composition and a use thereof, the curable composition comprising: (a) a compound capable of being denatured to a quinone-based compound by oxygen; (b) an amine-based polymeric compound; and (c) an oxygen clathrate structure. The curable composition is rapidly cured and can be cured not only at an interface of a conventional film but also to the inside of the film, such that the curable composition has uniform physical properties throughout the entire film and excellent physical properties compared to a curing film obtained by curing at an existing interface.

公开(公告)号：US10532330B2

公开(公告)日：2020-01-14

申请号：US15497174

申请日：2017-04-25

Applicant: CALIFORNIA INSTITUTE OF TECHNOLOGY

Inventor： Mamadou S. Diallo ,  William A. Goddard, III ,  Seong-Jik Park ,  Manki Cho

IPC: B01D71/76 ,  B01D71/82 ,  B01D69/12 ,  D01D5/00 ,  D01F11/04 ,  B01D63/02 ,  B01D69/08

Abstract: Filtration membrane comprising polymeric nanofibers and/or microfibers attaching dendrimer component presenting reactive sites selective for chemicals to be filtered, and related nanofibers and microfibers, composite materials, compositions, methods and system.

公开(公告)号：US20190383896A1

公开(公告)日：2019-12-19

申请号：US16479259

申请日：2018-01-23

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Dongsoo HAN

IPC: G01S5/02 ,  H04W4/33 ,  H04W4/02 ,  H04W84/12 ,  H04W64/00

Abstract: According to the present invention, a radio map construction method uses a genetic algorithm and comprises the steps of: (a) generating a plurality of chromosomes, each including a set of pairs consisting of a fingerprint labeled with an address and a position selected within a region s of the address; (b) generating a temporary radio map by using the pairs of the chromosomes; (c) arranging collected fingerprint sequences by using the temporary radio map; and (d) evaluating the placement of the fingerprint sequences.