公开(公告)号：KR102223070B1

公开(公告)日：2021-03-05

申请号：KR1020190008903

申请日：2019-01-23

Applicant: 한국과학기술원

Inventor： 이흥규 ,  박진석 ,  김현기 ,  김도국 ,  유인재 ,  남승훈 ,  김태연

IPC: G06N3/08

Abstract: 본발명의일 실시예에따른신경망학습방법은, 복수의정상이미지와상기복수의정상이미지각각에대한변형이미지를포함하는데이터베이스에서정상이미지군과변형이미지군을추출하는단계와, 상기정상이미지군에서적어도 1개의정상이미지를추출하는단계와, 상기추출된적어도 1개의정상이미지각각에대한변형이미지를상기변형이미지군에서추출하는단계와, 상기추출된정상이미지와변형이미지를이용하여신경망(neural network)을학습시키는단계를포함할수 있다.

公开(公告)号：KR101971582B1

公开(公告)日：2019-08-13

申请号：KR1020170095207

申请日：2017-07-27

Applicant: 한국과학기술원

Inventor： 최호진 ,  이동건 ,  오교중 ,  김현기 ,  허정

IPC: G06Q50/22 ,  G10L15/22 ,  G06N3/02 ,  G06Q30/02

公开(公告)号：KR101217707B1

公开(公告)日：2013-01-02

申请号：KR1020100116994

申请日：2010-11-23

Applicant: 한국과학기술원 ,  한국조폐공사

Inventor： 전덕영 ,  권병화 ,  장동선 ,  김성욱 ,  김현기 ,  이상근 ,  윤선홍 ,  김종균

IPC: C09K11/88 ,  B82Y30/00

Abstract: 본발명은양자점-희토류착물나노결정, 양자점-희토류착물나노결정의제조방법및 이를포함하는발광장치에관한것으로, 보다상세하게는희토류이온의특성발광을가지는희토류원소를포함하는착물을양자점에부착시킴으로써두 물질의광학적성질을동시에나타내는양자점-희토류착물나노결정에관한것이다. 본발명에의한양자점-희토류착물나노결정의제조방법은, 양자점과희토류착물을각각합성한후, 두물질을함께투입하여반응시키는비효율적인방법과는달리각각의전구체를함께혼합하여 1회반응공정만필요하기때문에, 제조방법이간단하고, 경제적이다. 본발명에따른양자점-희토류착물나노결정은 2족-6족에국한되지않고, 3족-5족등의다른반도체양자점에도응용될수 있다. 또한, 하나의나노입자에서가시광선전영역의다양한파장에서빛을내는것이가능하기때문에발광소자로응용될수 있다.

公开(公告)号：KR1020120055317A

公开(公告)日：2012-05-31

申请号：KR1020100116994

申请日：2010-11-23

Applicant: 한국과학기술원 ,  한국조폐공사

Inventor： 전덕영 ,  권병화 ,  장동선 ,  김성욱 ,  김현기 ,  이상근 ,  윤선홍 ,  김종균

IPC: C09K11/88 ,  B82Y30/00

Abstract: PURPOSE: A nanocomposite is provided to have complex spectrum contrary to existing quantum dots, and to have simple manufacturing process like existing quantum dots, thereby reducing manufacturing cost. CONSTITUTION: A nanocomposite comprises quantum dots combined from each other, and rare earth element complexes. The quantum dots are one or more selected from a group consisting of a family 12-16 compound, a family 13-15 compound, and a family 14-16 compound. The rare earth elements complexes comprise are earth materials combined each other, and ligand. The ligand is one or more selected from a group consisting of nitro, carbonato, nitrito, cyano, thiocyanato, isothiocyanato, hydroxo, aqua, ammine, carbonyl, and nitrosyl.

Abstract translation: 目的：提供纳米复合材料，使其具有与现有量子点相反的复杂光谱，并具有像现有量子点这样简单的制造工艺，从而降低制造成本。 构成：纳米复合材料包括彼此组合的量子点和稀土元素络合物。 量子点是选自由家族12-16化合物，家族13-15化合物和家族14-16化合物组成的组中的一种或多种。 稀土元素络合物包括地球物质彼此组合和配体。 配体是选自硝基，碳酸根，硝基，氰基，氰硫基，异硫氰酸根，羟基，水，氨，羰基和亚硝酰基中的一种或多种。

公开(公告)号：KR1020120053325A

公开(公告)日：2012-05-25

申请号：KR1020100114539

申请日：2010-11-17

Applicant: 한국과학기술원

Inventor： 전덕영 ,  김현기 ,  서민원 ,  장동선 ,  김성욱 ,  권병화

IPC: C09K11/08 ,  C09K11/00

Abstract: PURPOSE: A synthesizing method of quantum dot of high efficiency is provided to prevent sudden degradation of luminous efficiency caused by ligand substitution method, and to convert ligand by only one solution injection, thereby providing simple and economic process. CONSTITUTION: A synthesizing method of quantum dot of high efficiency comprises: a step of synthesizing quantum dot under the presence of organic solvent of 100-350 °C; a step of adding X-Y-Z shaped ligand capable of being dispersed to organic solvent to the quantum dot; and a step of conducting reaction for 1-60 minutes at 100-350 °C. The quantum dot is one or more selected from a group consisting of a group 12-16 compound, a group 11-13-16 compound, a group 13-15 compound, and a group 14-16 compound.

Abstract translation: 目的：提供高效率的量子点的合成方法，以防止配体取代法引起的发光效率的突然劣化，仅通过一次溶液注入来转化配体，从而提供简单经济的工艺。 构成：高效率量子点的合成方法包括：在100-350℃的有机溶剂存在下合成量子点的步骤; 将能够分散在有机溶剂中的X-Y-Z形配体加入量子点的步骤; 以及在100-350℃进行1-60分钟的步骤。 量子点是选自由12-16族化合物，11-13-16族化合物，13-15族化合物和14-16族化合物组成的组中的一种或多种。