Abstract:
유기 박막 트랜지스터 소자 제작에 사용될 수 있는 유기 반도체 물질인 펜타센(pentacene)의 전구체(precusor)로 가용성의 펜타센 유도체들과 이들의 제조 방법 및 펜타센 박막 제조 방법에 관하여 개시한다. 본 발명에 따른 펜타센 유도체는 펜타센과 디에노파일(dienophile)과의 딜스-알더(Diels-Alder) 반응 생성물로 이루어진다. 펜타센 유도체를 제조하기 위하여 펜타센과 디에노파일을 유기 용매에서 딜스-알더(Diels-Alder) 반응시킨 후, 상기 딜스-알더 반응 생성물을 정제한다. 이와 같이 얻어진 펜타센 유도체를 사용하여 펜타센 유도체 용액을 형성한 후, 형성된 펜타센 유도체 용액을 상온에서 200 ℃의 온도로 가열(pyrolysis)하여 진공증착 또는 용액 공정을 이용하여 펜타센 박막을 형성한다. 펜타센 유도체, 딜스-알더 반응, 디에노파일(dienophile), 저온 공정
Abstract:
본 발명은 보호막의 구성원소를 포함하는 전구체들간의 표면화학반응을 통하여 원자층증착법으로 보호막을 형성하는 평판 디스플레이 소자의 기판에 사용될 수 있는 보호막 형성 방법에 관한 것이다. 본 발명은 보호막을 형성하기 위해 플라스틱 기판을 챔버 내에 배치하는 단계; 상기 보호막을 구성하는 원소를 포함하는 전구체들을 상기 챔버에 주입하는 단계; 상기 전구체들간의 표면화학반응을 통하여 원자층 증착법으로 20 내지 220℃ 의 온도에서 무기절연막의 보호막을 형성하는 단계; 및 상기 보호막이 형성된 상기 플라스틱 기판 상에 평판 디스플레이 소자를 제조하는 단계를 포함하되, 상기 무기절연막의 보호막은 상기 플라스틱 기판의 상, 하 및 측면들 모두에 형성하는 것을 특징으로 하는 보호막 형성 방법을 제공한다. 이러한 구성을 통하여, 저온에서 양질의 보호막을 비교적 간단한 공정으로 제조할 수 있어, 유기발광소자 또는 디지털페이퍼 등 수분 및 산소에 민감한 소자의 보호막으로 이용하면 소자의 수명을 향상시킬 수 있는 효과가 있다.
Abstract:
본 발명은 유기물 박막 및 유기물 소자를 위한 대면적 유기물 기상 증착 장치 및 제조 방법을 제공한다. 본 발명의 일관점에 따르는 유기물 기상 증착 장치는 크게 증착부와 소스부(source part)를 포함하여 구성되며, 증착부는 반응 챔버와, 반응 챔버 내에 설치되어 도입되는 기판을 지지하는 기판 지지부, 기판 지지부에 설치되어 기판의 온도를 조절하는 기판 온도 조절부, 및 기판 지지부에 대향되게 반응 챔버 내에 설치되어 증착 반응에 참여할 유기물 소스 기상(organic source gas phase)을 기판 상으로 균일하게 분배하는 샤워헤드(shower head)를 포함하여 구성되고, 소스부는 샤워 헤드로 제공될 유기물 소스 기상을 발생시키는 소스 챔버(source chamber)와, 소스 챔버를 감싸 소스 챔버에서 유기물 소스 기상이 유기물 재료로부터 기화되도록 허용하고 유량 조절계에 의해 제어되어 공급되는 이송 가스, 희석 가스, 유기물 소스 기상의 이송로 및 제어 밸브들을 가열하 는 가열부, 유기물 소스 기상을 반응 챔버로 이송하기 위한 이송 가스를 제공하는 이송 가스 공급원 및 희석 가스 공급원을 포함하여 구성된다.
Abstract:
PURPOSE: Pentacene derivatives, a method for preparing the same, and a method for preparing pentacene thin film are provided, thereby improving solubility of pentacene derivatives to organic solvent, so that the pentacene thin film can be prepared by Diels-Alder reaction through pyrolysis without using a vacuum device. CONSTITUTION: The pentacene derivatives are provided, wherein R1 is hydrogen, halogen, alkoxy, amino, hydroxy, thiol, nitro or cyano optionally substituted C1-C10 alkyl, optionally substituted C5-C10 cycloalkyl, or optionally substituted C5-C10 aromatic carbohydrate. The method for preparing the pentacene derivatives comprises the steps of: Diels-Alder reacting pentacene with dienophile in organic solvent of hydrogen, halogen, alkoxy, amino, hydroxy, thiol, nitro or cyano optionally substituted C1-C10 aromatic compounds at -40 deg. C to circulation temperature of the organic solvent; and purifying the Diels-Alder reaction products by using column chromatography. The method for preparing pentacene thin film comprises pyrolysis of the Diels-Alder reacted pentacene derivatives at 200 deg. C by using thermal evaporation, or solution based process such as spin coating, inkjet printing, screen printing and dipping.
Abstract:
PURPOSE: A programmable mask for forming a biomolecule or polymer array and a method for producing the biomolecule or polymer array using the same are provided, thereby easily and cheaply forming the array with high density, and producing the biomolecule or polymer with high purity. CONSTITUTION: A programmable mask for forming a biomolecule or polymer array comprises an unit pixel of array and a driver circuit portion for selectively supplying the electric power to each pixel, wherein the each unit pixel comprises a solution containing charged particles inhibiting the progression of incident light and moved by electrophoresis, and an electrode for supplying the electric power to the particles for controlling the permeability of the incident light by change of the particle arrangement, wherein the solution is suspending fluid consisting of fluid and numerous charged particles; and the particles are barium sulphate, kaolin, zinc oxide or TiO2 particles with a size of 500 to 3000 angstrom.
Abstract:
PURPOSE: Charged particles for an electrophoresis display coated with a functional organic compound, and a method for manufacturing the same are provided to easily manufacture charged particles having the high mobility, the reflexibility, and the bistability. CONSTITUTION: A colloid solution formed of dispersed inorganic oxide particles is formed in a solvent(10). A uniform mixture is formed by mixing a functional organic compound with the colloid solution(20). A temperature of the mixture is decreased while being agitated so that crystals are formed by coating the inorganic oxide particles with the crystallized organic particles(30). The formed crystals are dividedly purified(40). A control agent for electric charges is attached to surfaces of the crystals(50).
Abstract:
PURPOSE: An electrophoresis display is provided to solve a problem of agglomeration of two charged particles and a problem of a reaction time difference between two charged particles when an electric field is applied. CONSTITUTION: A bottom electrode(103) is located on a bottom film(101). A bottom electrode protection film(105) is formed on the above bottom electrode. A plurality of micro capsules(107) are formed on the bottom electrode protection film(105) and are coated or capsulated in a micro size and do not operate distinctly by an electric field. A particle(111) and/or a transparent fluid(109) are included in the micro capsule and have one visual color. A charged particle(113) is distributed between the plurality of micro capsules and has a different visual color and is distributed in the dielectric fluid as operating distinctly by an electric field. And a top electrode protection film(115) and a top electrode(117) are located on the micro capsule in sequence.
Abstract:
PURPOSE: A flat panel display device and a method for forming a protective layer thereof are provided to maintain a lifetime and a characteristic by forming a protective layer in a low temperature process. CONSTITUTION: A flat panel display device is fabricated on a substrate(100). The flat panel display device formed on the substrate is transferred to a process chamber in order to form a protective layer(118). A plurality of precursors including elements of the protective layer are injected into the chamber. The protective layer of an inorganic insulating layer is formed under the temperature of 20 to 220°C by using an atomic layer deposition method using a surface reaction between the precursors. The flat panel display device is an organic electro-luminescent device including the first electrode(102), an electro-luminescent layer, and the second electrode(114). The protective layer is formed by stacking an organic insulating layer and a protective metal layer(116) to the inorganic insulating layer.
Abstract:
PURPOSE: A sensor for detecting distribution of voltages is provided to reduce a size and improve the mobility by forming the sensor for detecting distribution of voltages with an electro-luminescent device. CONSTITUTION: A sensor(20) for detecting distribution of voltages is formed with an electro-luminescent device. The electro-luminescent device includes a transparent substrate(21), a transparent electrode(22), the first insulating layer(23), a phosphor layer(24), and the second insulating layer(25). The transparent electrode is formed on the transparent substrate. The first voltage is applied to the transparent electrode. The first insulating layer is formed on the transparent electrode. The phosphor layer is formed on the first insulating layer in order to radiate the light by a voltage difference between the first voltage and the second voltage. The second insulating layer is formed on the phosphor layer.
Abstract:
PURPOSE: Provided are phosphor which emits blue, green, and red lights and is excellent in luminous property, and a method for producing the same. CONSTITUTION: The phosphor is produced by the steps of (i) vapor-depositing CaS raw material to substrate treated by desired process using chemical reaction of surface and vapor phase of precursors comprising thin film constituents; (ii) coating luminous center ions of transition metal or rare earth elements on the CaS materials by vapor deposition; and (iii) heat treating the coated CaS materials to dope the luminous center ion with the CaS materials. The luminous center ion is any one selected from the group consisting of Pb, Cu, Ce, Mn, Eu, Tb, Bi, Pr, Sm, Tm, and Yb.