Abstract:
PURPOSE: A quantum dot light emitting device and a manufacturing method thereof are provided to reduce manufacturing costs by forming a quantum light emitting layer and a charge transport layer by a solution process. CONSTITUTION: An anode(210) is formed in the top of a substrate. A quantum light-emitting layer(230) is formed on the anode and a charge transport particle and a quantum dot are mixed. A cathode is formed on the quantum light-emitting layer. A charge transport particle is an oxide nano particle. The diameter of a quantum dot is 2nm to 20nm. An electron-transport layer(240a) is composed an N-type semiconductor nano particle and is formed on the quantum light-emitting layer.
Abstract:
PURPOSE: A method for forming an active channel layer of an organic field effect transistor and the organic field effect transistor using the same are provided to improve an electrical property by including an active channel layer which is arranged from a grain boundary. CONSTITUTION: Disclosed is a method for forming an active channel layer between a source electrode and a drain electrode. A first liquid(105) is dropped on the drain electrode. A second liquid(106) with dissolved organic semiconductor materials is dropped on the first liquid. The evaporation speed of the first liquid is slower than the evaporation speed of the second liquid. The first liquid and the second liquid have different polarities not to be mixed. The density of the first liquid is larger than the density of the second liquid.
Abstract:
본 발명은 광흡수층 제작방법 및 이 광흡수층을 포함하는 반도체 소자의 제작방법에 관한 것으로, 일 실시예에 따르면, 기판 위에 반도체 나노입자 용액을 도포하여 나노입자 박막을 형성하는 단계; 나노입자간의 결합을 유도하기 위해, 형성된 상기 나노입자 박막을 적어도 1회 이상 열처리하는 단계; 및 상기 나노입자 박막에 광흡수재 용액을 도포하여 광흡수층을 형성하는 단계;를 포함하는 광흡수층의 제작 방법 및 이 광흡수층을 포함하는 반도체 소자의 제작 방법을 개시한다.
Abstract:
바닥전극; 상기 바닥전극과 대향된 상부전극; 및 상기 바닥전극과 상기 상부전극 사이에 개재된 유기층으로서, 엑시플렉스를 형성하는 ⅰ) 정공 수송성 호스트와 ⅱ) 전자 수송성 호스트, 및 상기 정공 수송성 호스트의 삼중항 에너지, 상기 전자 수송성 호스트의 삼중항 에너지 및 상기 엑시플렉스의 삼중항 에너지보다 작은 삼중항 에너지를 갖는 ⅲ) 인광 도펀트를 포함하는 유기층;을 포함하는 유기 발광 소자가 제공된다.
Abstract:
Provided are a nanocrystal, a method for preparing the same, and a device containing the same including a step for continuously injecting a precursor solution containing a second additive to a core solution at a fixed speed or at a variable speed so that shape selectivity and uniformity are improved.
Abstract:
PURPOSE: A semiconductor device and a manufacturing method thereof are provided to improve applicability of a high speed operation element by forming an inter layer dielectric and a gate insulating layer by using different material. CONSTITUTION: A gate electrode(12) is formed on a substrate(10). The gate electrode comprises a projected gate finger. A gate insulating layer(13) is formed on the gate electrode. An inter-layer insulating film(11) is formed on the side of the gate insulating layer and the gate electrode. The inter-layer insulating film comprises a material having dielectric permittivity lower than the gate insulating layer. A graphene layer(14) is formed on the gate insulating layer and the inter-layer insulating film. A source(15a) and a drain(15b) are formed on the graphene layer. Graphene is formed in the lower side of the graphene layer between the source and drain.
Abstract:
PURPOSE: A tris(4-naphthalen-1-yl-phenyl)amine material is provided to enable use as a blue light emitting material in an organic light-emitting device of a low molecular weight level, and to embody an efficient device when used as a hole transport material of an organic light-emitting device of green. CONSTITUTION: A tris(4-naphthalen-1-yl-phenyl)amine material represented by chemical formula 1 is available in an organic light-emitting device, organic solar cell device and organic transistor. The organic light-emitting device uses the tris(4-naphthalen-1-yl-phenyl)amine represented by chemical formula 1 which is a triphenylamine derivative as a light-emitting material or hole transfer material.