Abstract:
본 발명은 전력 소모가 현저히 저감되고 대면적화가 가능한 마이크로 히터 유닛 또는 어레이를 이용하여, 탄소나노튜브, 질화갈륨 나노 와이어 또는 산화아연 나노 와이어의 나노 구조를 성장시키거나, 비정질 실리콘을 다결정 실리콘으로 변환하는 방법, 이에 따라 형성된 나노 구조 또는 다결정 실리콘 및 이들을 이용하는 전자 장치에 관한 것이다. 본 발명에 따르면, 별도의 고온 공정 장치 없이도 국부적으로 탄소나노튜브, 질화갈륨 나노 와이어, 산화아연 나노 와이어 등의 나노구조 또는 다결정 실리콘을 특히 적은 전력 소모 및 대면적으로 형성할 수 있다. 마이크로히터, 유닛, 어레이, 전력절감, 나노구조, 다결정실리콘
Abstract:
PURPOSE: An active optical device using a local electrode is provided to modulate a refractive index with a low driving voltage. CONSTITUTION: A plurality of refractive index variable areas(170) are formed on a substrate. A voltage applying unit forms an electric field on the refractive index variable areas. The refractive index variable areas include internal spaces and liquid crystal materials. The internal spaces are formed on the substrate. The internal spaces are filled with the liquid crystal materials.
Abstract:
PURPOSE: An activeness optical element which uses phase change material is provided to variously modulate the property of incident light with a fast reaction speed by applying material causing phase transformation at prescribed temperatures. CONSTITUTION: An activeness optical element(100) comprises an optical variable layer(150) including material in which a refractive index is changed according to temperature change, and a temperature control means which locally controls the temperature of the optical variable layer. The optical variable layer is composed of a vanadium dioxide thin film. The temperature control means comprises a micro heating array(130) which discharges heat for forming a periodic refractive index alternating pattern on the variable layer. The micro heating array comprises a plurality of heating zones(132) heated by electrical control.
Abstract:
PURPOSE: A flexible display device and a control method thereof are provided to stop the supply of operation power without additional input signal of a user according to the bending degree of a flexible display device. CONSTITUTION: A sensor unit(20) senses the bending degree of a flexible display unit(10). A power supply unit(30) supplies operation power to the flexible display unit. A control unit(40) controls the power supply unit in order to stop the supply of the operation power about the flexible display unit.
Abstract:
발광 소자 및 그 제조방법이 개시된다. 개시된 발광 소자는 기판; 상기 기판 상에 상기 기판 면으로부터 이격 형성된 것으로, 지지영역과 상기 지지영역보다 좁은 폭을 가지는 가열영역을 구비하는 마이크로 히터부; 상기 지지영역과 상기 기판 사이에 마련되어, 상기 마이크로 히터부를 지지하는 지지부; 상기 가열영역 위에 일차원적으로 수직 성장된 나노코어부 및 상기 나노코어부의 표면에서 방사형으로 순차 성장된 복수의 반도체층으로 이루어진 복수의 나노로드 발광구조체; 상기 복수의 나노로드 발광구조체의 표면의 적어도 일부를 둘러싸는 투명전극층;을 포함한다.
Abstract:
PURPOSE: A method for forming a silicon layer, a method for forming a pn junction, and the pn junction made by the same are provided to improve the quality of the pn junction by forming the silicon layer made of large grains. CONSTITUTION: A micro heater comprising a substrate(10) and a metal pattern(30) separated from the substrate is prepared. A metal pattern is heated by applying the voltage to a metal pattern. A silicon layer(100) is formed on the metal pattern to expose the micro heater to the source gas. The source gas includes silicon. The silicon layer is made of the poly crystal silicon. An amorphous silicon layer is formed on the substrate.
Abstract:
PURPOSE: A micro-heater, micro-heater array, a method for manufacturing the same and an electronic device using the same are provided to prevent a micro-heater from being damaged even if heating and cooling is repeated. CONSTITUTION: A micro heater(50) includes a metal Line, a supporting part, and a deformation part. The metal line(20) is separated from the substrate. The supporting part(40) is positioned between a substrate and the metal Line, and the supporting part fixes the metal line on a substrate under the metal Line. The deformation part(25) is formed at least one portion of the metal line.
Abstract:
A method of manufacturing a field emission device is provided to improve the uniformity of electron emission by accurately aligning an emitter with a center portion of a gate hole. A cathode electrode(112) and a light blocking layer(120) are formed on a substrate(110), and then the light blocking layer is patterned to form a blocking layer hole(121) for exposing the cathode electrode. An insulating layer(130) and a gate material layer are formed on the light blocking layer, and then the gate material layer is patterned to form a gate electrode(140). A photoresist(170) is applied on the gate electrode to cover a gate electrode hole formed on the gate electrode, and then is exposed and developed to form a resist hole(171). The insulating layer is etched through the resist hole to form an insulating hole(131). The gate electrode is etched to form a gate hole(141), and then the photoresist is removed. An emitter is formed on the exposed cathode electrode.
Abstract:
An electronic device, a field effect transistor, and a method for manufacturing the same are provided to prevent thermal damage of a substrate and elements by growing a carbon nano tube by heating a heating element at room temperature. A first electrode(110) and a second electrode(120) are formed in parallel to each other on a substrate(102). The first and second electrodes include two electrode pads and heating elements for connecting the electrode pads with each other. A catalytic metal layer(116) is formed on the heating element of the first electrode. A carbon nano tube(130) is grown horizontally from the catalytic metal layer to be connected to the second electrode. The heating elements are separated from the substrate by etching the substrate of lower parts of the heating elements.