Abstract:
Provided are pentacene precursors, which are synthesized by a Diels-Alder reaction, have high solubility in organic solvent, and produce pentacene via a retro Diels-Alder reaction by pyrolysis without using vacuum devices. The pentacene precursor is a Diels-Alder reaction product of an aromatic azine compound and a benzyne equivalent and comprises at least one -N=N- bridge on a 2 to 4-positioned benzene ring of the following formula(I). The aromatic azine compound is selected from phthalazine, pyridazine, or tetrazine. The benzyne equivalent is selected from tetrabromobenzene, 2,3-dibromonaphthalene, or phthalic anhydride.
Abstract:
본 발명은 유기 박막 트랜지스터 소자 제작에 사용될 수 있는 유기 반도체 물질인 펜타센(pentacene) 전구체과 펜타센, 이들의 제조방법 및 이들을 이용한 유기 박막 트랜지스터에 관한 것이다. 본 발명에 따른 펜타센 전구체는 방향족 아진화합물과 벤진 유사체를 딜스-알더(Diels-Alder) 반응시켜 합성되며, 이렇게 얻어진 펜타센 전구체를 열분해(pyrolysis)하여 펜타센을 합성한다. 펜타센 전구체 자체는 스핀 코팅과 같은 습식 공정을 이용하여 유기 박막 트랜지스터용 반도체층을 형성할 수 있으며, 또한 펜타센은 진공 증착과 같은 건식 공정에 의해 반도체층을 형성할 수 있다. 펜타센, 펜타센 전구체, 딜스-알더 반응, 유기 반도체, 유기 박막 트랜지스터 소자
Abstract:
PURPOSE: A color electronic paper display and a manufacturing method thereof are provided to improve the light absorption degree of black color by mixing yellow, magenta, and cyan to display the black color more darker by using a black matrix. CONSTITUTION: An electronic ink micro capsule is manufactured (S10). The black matrixes are formed on the substrate (S20). The sub pixel is formed as the microcapsule of the electronic ink fills in the black matrixes. The electronic ink microcapsule can be the first microcapsule which contains the white particles and the yellow particles, the second microcapsule which contains the white particles and the magenta particles, and the third microcapsule which contains the white particles and the cyan particles. [Reference numerals] (S10) Step of manufacturing an electron ink micro capsule; (S20) Step of forming a black matrix; (S30) Step of filling the black matrix with electron ink micro capsules
Abstract:
PURPOSE: A manufacturing method of microcapsules, microcapsules manufactured thereby, and electronic paper having a fast response time are provided to make an electronic paper having a quick response time. CONSTITUTION: A manufacturing method of microcapsules(10) comprises the following steps: manufacturing a dispersed solution by dispersing a pigment microparticle, which is charged, into a dispersing medium including liquid crystal; forming an emulsion by emulsifying the dispersed solution into an aqueous solution; and manufacturing the microcapsules by mixing wall formation material with the emulsion. The dispersing medium further includes dielectric oil. A dispersing stabilizer is a non-ionic surfactant or a polymer material.
Abstract:
PURPOSE: A method for forming a metal oxide and a method for forming a transistor structure including the same are provided to efficiently form the metal oxide by forming a doped zinc oxide with a solution process method. CONSTITUTION: A metal oxide precursor solution and an alcohol based solution are prepared. The metal oxide precursor solution comprises dopant chemical species. The alcohol based solution includes alkaline chemical species. A reactant is formed by reacting the metal oxide precursor solution with the alcohol based solution. A metal oxide(150) is formed by refining the reactant.
Abstract:
PURPOSE: A transmissivity-changeable film including electroheological fluid microcapsules and a manufacturing method thereof are provided to include the electroheological fluid microcapsules, thereby being applied to a flat plate glass, a flexible plastic transparent electrode or a transparent glass electrode surface with a bent part through the improvement of workability. CONSTITUTION: A transmissivity-changeable film(100) comprises the first transparent electrode(10), the second transparent electrode(20), and a plurality of electroheological fluid microcapsules(40). A plurality of electroheological fluid microcapsules is interposed between the first transparent electrode and the second transparent electrode. A polymer partition film(42) provides a sealed space. Insulating fluid(46) is included in the sealed space. Polarizing particles(44) are included in the insulating fluid. When a voltage is applied to the first transparent electrode and the second transparent electrode, the polarizing particles are arranged in a row.
Abstract:
An organic gate insulating layer and an organic thin film transistor are provided to minimize influence on other film by the organic gate insulating layer by forming the organic gate insulating layer with low permittivity, high chemical and thermal stability, and low absorption rate at a low temperature. A source electrode, a drain electrode and a gate electrode(20) are positioned on a surface of a substrate(10). An organic gate insulating layer(30) is interposed between the source electrode and the gate electrode and between the drain electrode and the gate electrode. The organic gate insulating layer includes polysiloxane or polysiloxane derivative. An organic active film contacts the organic gate insulating layer. The source electrode and the drain electrode are connected by the organic active film.
Abstract:
An adhesive film is provided to separate a flexible substrate easily from a bearing substrate used for preventing the bending of the flexible substrate in a manufacturing process of a flexible display using the existing semiconductor and display production facilities. An adhesive film(20) for manufacturing a flexible display includes a supporter(22) having the first side adhered with a flexible substrate and the second side adhered with a bearing substrate while facing the first side; the first adhesive layer(26) provided to the first side of the supporter; and the second adhesive layer(24) provided to the second side of the supporter. The first adhesive layer and the second adhesive layer have the same adhesive strength of 0.2~60 N / 100mm.
Abstract:
A method of forming a plastic substrate is provided to improve the safety and reliability of the plastic substrate by forming a protection layer on the plastic substrate for preventing the penetration of the moisture, and oxygen. A coating layer is formed by spraying a mixture including the inorganic material on an organic substrate(10) and organic compound. A protective film(30) including the inorganic material layer(31) and organic layer(32) are formed on the organic substrate. The inorganic material layer is formed with the specific gravity difference since the inorganic material is accumulated in the surface of the organic substrate.
Abstract:
A conductive polymer composition, a conductive polymer thin film prepared by using the composition, and an organic electronic device containing the thin film are provided to improve coating property and electrical characteristics. A conductive polymer composition comprises a polythiophene-based conductive polymer aqueous solution; 0.02-5.0 parts by weight of a surface tension controller (surfactant) having both hydrophobicity and hydrophilicity based on the weight of the conductive polymer; and 1-99 parts by weight of a polar solvent. Preferably the polythiophene-based conductive polymer is the poly(3,4-ethylene dioxythiophene) represented by the formula 1 or a mixture of the poly(3,4-ethylene dioxythiophene) represented by the formula 1 and the poly(4-styrene sulfonate) represented by the formula 2, wherein n and m are 5-10,000.