baber/WOPTO huggingface dataset:
Patent KR-20120138517-A (KR)
Title: Apparatus for fastening chip and testing method using them
Inventor: BYUN EON JO
IPC: G01R31/28
Filed: 2011-06-15
Abstract: PURPOSE: A chip fixing apparatus and a chip testing method thereof are provided to improve the efficiency of operation process. CONSTITUTION: A chip fixing apparatus includes a chip tray(100) and a support chuck(200). The chip tray defines multiple field regions(110) on the surface and contains a first internal vacuum line(120). The support chuck contains a second internal vacuum line(220) and supports the chip tray.
Patent KR-20120138862-A (KR)
Title: Wardrobe air sterilizing apparatus using ultraviolet led and photocatalyst
Inventor: KANG BO AN
IPC: A61L9/20
Filed: 2011-06-16
Abstract: PURPOSE: An air sterilizing apparatus for a closet using UV light emitting diodes and photocatalysts is provided to illuminate the inside of a closet in addition to sterilization. CONSTITUTION: An air sterilizing apparatus for a closet using UV light emitting diodes and photocatalysts includes a case(10), a transmission unit(11), a sterilization lamp module(12), a switch(13), and a battery(14). The transmission unit, which is transparent and is coated with photocatalysts, is arranged at one direction of the case. The sterilization lamp module is arranged in the case and emits UV rays toward the transmission unit. The switch controls the sterilization lamp module. The battery supplies power to the sterilization lamp module.
Patent KR-20120140478-A (KR)
Title: Composite structure of nanostructure and nanodot, devices including the same, and method of manufacturing the same
Inventor: LEE EUN KYUNG
IPC: B82B1/00
Filed: 2011-06-21
Abstract: PURPOSE: A composite structure of nanostructure and nanodots, a device including the same and a manufacturing method thereof are provided to control optical, thermal or electrical characteristics. CONSTITUTION: A composite structure of nanostructure and nanodots(100) comprises nanostructures(11) and multiple nano dots(30). The nanostructures comprise a core portion(10) and a shell portion(20). The multiple nanodots is formed at the coating part. The core portion comprises one selected from nanowire, nanorod and nanotube. The nanodots are prepared on the interface of the coating part and core unit, inside the coating part and the surface of the coating part. The nanodots comprise Ge or SiGe. The optical element comprises first and second electrodes, composite structure of nanostructures and nano taut, and a semiconductor layer. A manufacturing method of the composite structure comprises the following steps: forming nanostructures; and forming a plurality of nanodots on the nanostructures.
Patent KR-20130005938-A (KR)
Title: Combustor having resonance chambers
Inventor: MIN TAE SIK
IPC: F23D14/02
Filed: 2011-07-08
Abstract: PURPOSE: A combustion device having a resonance chamber is provided to form a resonance chamber in a passage between a blower and a burner, thereby efficiently removing noise generated by a flow of mixed fluid of air and combustion gas and noise generated in the inside of a combustion chamber. CONSTITUTION: A combustion device comprises a burner(240), a combustion chamber(200), and resonance chambers(310,320,350). The burner burns mixed fluid of air supplied by a blower(100) and combustion gas. The combustion of the burner is performed in the combustion chamber. The resonance chambers are installed in a passage between the burner and the blower.
Patent KR-20130006155-A (KR)
Title: 정보 제공 장치 및 그 방법
Inventor: YOON JAE GU
IPC: H04N21/472
Filed: 2011-07-08
Abstract: 본 명세서는 본 명세서는 사용자가 웹 페이지 콘텐츠에 연관된 방송 콘텐츠 또는 방송 콘텐츠에 연관된 웹 페이지 콘텐츠를 용이하고 신속하게 확인할 수 있는 정보 제공 장치 및 그 방법에 관한 것이다. 본 명세서의 실시예들에 따른 정보 제공 장치는, 제1 표시 영역에 방송 콘텐츠를 표시하고, 제2 표시 영역에 웹 페이지 콘텐츠를 표시하는 표시부와; 제1 서버와 유선 통신망 또는 무선 통신망을 형성하는 통신부와; 상기 제2 표시 영역에 표시된 웹 페이지 콘텐츠가 상기 제1 표시 영역으로 이동되면 상기 웹 페이지 콘텐츠에 연관된 방송 콘텐츠를 상기 제1 서버로부터 검색하고, 상기 검색된 방송 콘텐츠를 상기 제1 표시 영역 또는 상기 제2 표시 영역에 표시하는 제어부를 포함할 수 있다.
Patent KR-20130010372-A (KR)
Title: Display device
Inventor: HYUN SOON YOUNG
IPC: G02F1/13357
Filed: 2011-07-18
Abstract: PURPOSE: A display device is provided to prevent the deterioration of wavelength conversion particles due to heat and to improve reliability and durability. CONSTITUTION: A wavelength conversion member(410,430,440) changes the wavelength of the light coming from a light emitting diode(300). A display panel receives the light. A heat transfer part(700) is adjacent to a light source and the wavelength conversion member. The heat transfer part delivers the heat emitted from the light emitting diode to the wavelength conversion member to a heat radiating portion(810,820). The heat radiating portion is connected to the heat transfer member. [Reference numerals] (AA,BB) Heat
Patent KR-20130026569-A (KR)
Inventor: KIM SEUNG HAK
IPC: G06Q50/00
Filed: 2011-08-01
Abstract: 본 발명은 이용자가 실시간으로 주문하여 이용하는 주문형 컨텐츠의 이용량을 날씨정보를 이용하여 예측하는 장치 및 방법에 관한 것으로, 주문형 컨텐츠 사업자가 날씨정보를 바탕으로 주문형 컨텐츠의 이용량을 예측하여, 이용량이 높을 것으로 예측되는 경우 주문형 컨텐츠 서비스 요청에 대비한 네트워크 자원 할당을 증가시켜 주문형 컨텐츠 서비스 연결 시간 및 대기시간이 함께 증가하는 것을 방지하고, 이용량이 낮을 것으로 예측되는 경우 주문형 컨텐츠 서비스 제공에 필요한 네트워크 자원을 효율적으로 이용할 수 있는 장점을 제공한다.
Patent KR-20130015656-A (KR)
Title: Led lighting device with structure of heat sink having high heat disspation
Inventor: KIM YOUNG IL
IPC: F21V29/00
Filed: 2011-08-04
Abstract: PURPOSE: An LED lighting device having a heat radiation performance maximization heatsink structure is provided to improve effect of heat radiation by maximizing contact area with air by arranging the maximum number of multiple curved shape heat radiation pins in the minimum space. CONSTITUTION: An LED device is formed in an LED lighting main body(10). The LED device is connected with a PCB substrate. A main heat radiation unit(30) surrounds the outside of the light-emitting direction of the LED device. The main heat radiation unit includes a plurality of heat radiation pins(P2). The plurality of heat radiation pins are formed among protruded wave patterns on the outer surface.
Patent KR-20130015853-A (KR)
Title: A cover window for mobile device and mobile device including the same
Inventor: LIM CHEOL HO
IPC: H04B1/38
Filed: 2011-08-05
Abstract: PURPOSE: A cover window structure of a mobile apparatus and a mobile apparatus including the same are provided to prevent damage to cover glass when the mobile apparatus is fallen down to the ground. CONSTITUTION: A front case(21) includes a side wall of a fixed height at an edge. Cover glass(22) is attached or fixed at one or more parts of the front cases. A damper(23) is attached to one or more side walls of the front case or on the front case. The damper of which height is higher than the height of the cover glass is formed. The damper absorbs the external impact for the cover glass.
Patent KR-20130016483-A (KR)
Inventor: KIM JIN KWANG
IPC: G09F13/22
Filed: 2011-08-08
Abstract: 본 발명은 엘이디 조립체에 관한 것으로, 내부에 수용부가 형성되도록 후면이 개방형성되되, 하측면의 양단 부근과 우측면에는 돌기가 각각 돌출구성되고, 상측면의 양단 부근과 좌측면에는 상기 돌기에 대응되는 돌기홈이 각각 구성되며, 상기 수용부에 의해 후면에 형성된 테두리에는 돌기와 돌기홈이 형성되는 부위에 연결통로를 형성한 케이스; 엘이디가 등 간격으로 설치되어 상기 케이스의 수용부에 삽입설치되며, 양 끝단 부분에는 단자연결구가 설치된 회로기판; 상기 케이스의 후면에 결합되어 회로기판을 보호하는 덮개; 전원연결기판과, 상기 전원연결기판에 설치되며 전선에 의해 회로기판에 연결설치되는 접촉단자로 이루어져 회로기판에 전원을 공급하는 전원연결부; 상기 회로기판의 단자연결구에 대응되는 연결단자핀이 설치되어 회로기판과 회로기판을 서로 연결하는 연결기판;으로 구성되며, 상기 케이스는 돌기와 돌기홈을 통해 다수로 결합되어 숫자형상으로 조립되고, 상기 케이스에 삽입설치된 각각의 회로기판은 상기 케이스의 연결통로를 통해 회로기판의 단자연결구에 결합설치되는 연결기판으로 서로 연결되어 하나의 전원연결부로 작동되는 것에 특징이 있다. 
그리고, 본 발명을 이용하면, 사용자가 원하는 크기로 숫자를 만들어 제1, 2고정수단으로 원하는 위치에 설치할 수 있을 뿐만 아니라, 연결통로와 연결기판을 통해 회로기판을 서로 연결함으로써 하나의 엘이디 조립체를 하나의 전원연결부로 가동을 이룰 수 있음은 물론, 다수의 접촉단자를 이용하여 다수의 엘이디 조립체를 하나의 연결부로 가동시킬 수 있으며, 케이스와 회로기판과 덮개를 각각 3개로 분리구성하고 일정한 비율의 크기로 형성함으로써 조립되어 형성되는 다양한 엘이디 조립체의 크기비율을 일정하게 만들 수 있는 엘이디 조립체에 관한 것이다.
Patent KR-20130016899-A (KR)
Title: 자연순환방식 음식폐기물 처리장치용 제습장치
Inventor: YU SI KAB
IPC: B09B5/00
Filed: 2011-08-09
Abstract: 본 발명은 음식폐기물 처리장치와 연결되어 음식폐기물 처리장치에서 음식폐기물의 발효분해시 발생하는 증기를 본체로 유입 제습처리하고 본체 내부의 공기를 음식폐기물 처리장치로 공급함으로써, 음식폐기물의 함수량을 70%~80% 줄여 음식폐기물의 발효분해 처리과정에서 침출수를 감소시키고 맑은 정제 수를 배출함과 아울러 음식폐기물을 경량화할 수 있도록 한 자연순환방식 음식폐기물 처리장치용 제습장치에 관하여 개시한다.
Patent KR-20130020476-A (KR)
Title: Array substrate for advanced high in plane switching mode liquid crystal display device and method for fabricating the same
Inventor: SEO WAN JIN
IPC: G02F1/1343
Filed: 2011-08-19
Abstract: PURPOSE: An array substrate for an advanced high in plane switching mode liquid crystal display device and a method for fabricating the same are provided to save power consumption by using a photo-acryl layer. CONSTITUTION: A thin film transistor is formed in the intersection point of a data line(115c) and a gate line. A pixel electrode(121a) is directly connected to the thin film transistor. A photosensitive organic insulating film(127a) is formed in the upper part of the thin film transistor and the data line. A passivation film(129) is formed on the photosensitive organic insulating film. Common electrodes(131a) are formed on the passivation film.
Patent KR-20130023525-A (KR)
Title: System and method for detecting icing on blade of wind power generator
Inventor: KIM SUNG HO
IPC: F03D7/00
Filed: 2011-08-29
Abstract: PURPOSE: An icing detection system and a method for the blade of an aerogenerator are provided to determine whether or not icing is on the blade using the motor current signal for each pitch motor output transmitted from a pitch control system, thereby intactly using an existing apparatus. CONSTITUTION: An icing detection system(100) for the blade of an aerogenerator comprises a pitch control system(110) and a main controller. The pitch control system has pitch motors which separately control the pitches of at least two blades. The main controller has an icing detection part which detects whether or not icing is on the blade using the motor current signal for each pitch motor output transmitted from the pitch control system. The icing detection part detects whether or not the icing is on the blade by identifying whether or not imbalance exists between the motor current signals. The pitch control system has blade controllers in order to separately control the pitch of each blade. The blade controller includes a hydraulic actuator, a pump, a motor, a motor controller, and a displacement sensor. The hydraulic actuator actuates the corresponding blade. The hydraulic actuator is supplied with hydraulic pressure from the pump actuated by the motor. The motor controller controls the motor, and outputs the motor current signal. The displacement sensor measures a displacement corresponding to the change of the pitch of the blade, and feeds the displacement back to the motor controller. [Reference numerals] (110) Pitch control system; (120) Main controller; (121) Icing detection unit; (AA) Motor current signal
Patent KR-20130024100-A (KR)
Title: Touch panel
Inventor: LEE JI SOO
IPC: G06F3/044
Filed: 2011-08-30
Abstract: PURPOSE: A touch panel is provided to allow a sensing electrode to accurately sense touch coordinates by minimizing capacitance between electrode wiring and an input unit. CONSTITUTION: A transparent substrate is divided into an active area(115) and a bezel area(117). A sensing electrode(120) is formed in the active area. Electrode wiring(130) is formed in the bezel area and is connected to the sensing electrode. A window(140) is included outside the transparent substrate and includes a groove(145) which is dented corresponding to the boundary of the bezel area. The groove includes an air gap, and the sensing electrode is patterned. The groove is extended to space between the sensing electrodes. An adhesion layer(150) is included between the transparent substrate and the window.
Patent KR-20130024627-A (KR)
Inventor: KIM JAE SEONG
IPC: G06Q30/02
Filed: 2011-08-31
Abstract: 본 발명은 스마트 폰(Smart phone)의 애플리케이션 실행시 로딩되는 시간동안 특정 광고를 실행하는 방법에 관한 것으로서, 스마트 폰에서 애플리케이션 실행 명령이 입력되는 단계; 애플리케이션 로딩시, 광고 내용을 스마트 폰의 화면에 디스플레이하는 단계를 포함하는 것을 특징으로 하는, 애플리케이션 로딩 시간을 이용한 광고 실행 방법을 제공한다.
Patent KR-20130025172-A (KR)
Title: Regenerative breaking simulator and regenerative breaking simulation method thereof
Inventor: HAHN CHANG SU
IPC: B60L7/10
Filed: 2011-09-01
Abstract: PURPOSE: A regenerative braking simulator and a regenerative braking simulation method thereof are provided to easily brake a wheel by including a brake in a jig. CONSTITUTION: A wheel(112) is rotated by a motor(111). A jig(120) rotates the wheel. An inertia part(130) is fixed to generate rotational inertia on the outer side of the wheel. A storage battery supplies power for driving the motor. A brake(140) is installed in the jig to brake the wheel.
Patent KR-20130026226-A (KR)
Title: Fire volume damper
Inventor: YU JIN CHOL
IPC: A62C2/24
Filed: 2011-09-05
Abstract: PURPOSE: A fire prevention damper is provided to effectively prevent malfunction due to fuses for fixing blades by operating in fire only. CONSTITUTION: A fire prevention damper comprises a frame(120) which is mounted on a duct(110) of a building into one body and prevents poisonous gas and flame from moving; multiple blades(130) opening and closing the inner space of the frame; a connection link including multiple horizontal link members and a single vertical link; a handle part(160) rotating a connected shaft through a rotary shaft by the rotary motion of a lever; and multiple fuses (190) for fixing blades which close the damper by allowing the rotation of the blades.
Patent KR-20130028403-A (KR)
Title: Peptides inhibiting the activity of matrix metalloproteases and use thereof
Inventor: CHUNG YONG JI
IPC: A61K38/08
Filed: 2011-09-09
Abstract: PURPOSE: A matrix metalloproteinase inhibitor peptide and usage thereof are provided to be used for a treatment on various diseases of anti-obesity, anti-cancer, and anti-inflammation by having excellent bio-activity including activity inhibitor for hyaluronic acid decomposing enzyme, adipogenesis suppression of adipocyte, and angiogenesis suppressor. CONSTITUTION: A matrix metalloproteinase inhibitor peptide comprises the peptide of the following general formula 1. The general formula 1. X_aa1-X_aa2-Pro-Cys-X_aa3-X_aa4-X_aa5-Ser-X_aa6. From the general formula, X_aa1 may be Ser, Met, Tyr, Gly, Ala, Val, Leu, or Ile, X_aa2 may be Ile, Leu, Val, Ser, Met, Tyr, Gly, or Lal, X_aa3 may be Lys, Tyr, or Phe, X_aa4 may be Leu, Ile, Val, Ser, Met, Tyr, Gly, or Ala, X_aa5 may be Gin, Ser, or Thr, and X_aa6 may be Pro or Lys. The peptide is selected from the first sequence to the third sequence of the sequence listing. The peptide has a stimulant of cellular growth.
Patent KR-20130030396-A (KR)
Title: Drying device of boiled sea cucumber by pinheater
Inventor: OH CHI HUN
IPC: A23L17/50
Filed: 2011-09-19
Abstract: PURPOSE: A sea cucumber processing technique and a dryer are provided to execute the rapid dry of a boiled sea cucumber while conserving the prototype. CONSTITUTION: Internal part and outer part of a boiled sea cucumber are dried simultaneously inserting two-thirds of the sea cucumber which is boiled in vertical heating pin ranged from 20-100 degree C from the anal direction simultaneous with drying through near infrared rays.
Patent KR-20130030476-A (KR)
Title: System and method for communication channel setting using audio water mark
Inventor: BAE TAE MEON
IPC: H04W76/02
Filed: 2011-09-19
Abstract: PURPOSE: A system for setting communication between devices by using audio data and a method thereof are provided to transceive authentication information and address information for setting communication between the devices by using security-guaranteed audio data. CONSTITUTION: A first device(200) receives an audio file from an audio watermark providing device to store the same. When a connection mode with another device is switched, the first device plays the audio file. The first device processes a connection request of the device. When the connection mode with another device is switched, a second device(300) receives an audio signal to store the same. The second device extracts a watermark from the audio signal. The second device recognizes identification information of the device. The second device tries to connect to the device. [Reference numerals] (100) Audio watermark providing device; (200) First device; (300) Second device; (AA) Network
Patent KR-20130032710-A (KR)
Title: 암반용 조립식 강관전주의 지지대
Inventor: EUN SANG PYO
IPC: E04H12/28
Filed: 2011-09-23
Abstract: 본 발명은 굴착이 용이하지 않은 암반지역에 사용되는 암반전용 조립식 강관전주의 지지대에 관한 것으로, 특히 암반굴착에 따른 불필요한 조치 등을 개선하여 시공기간 단축과 시공비 절감 및 자연환경 훼손을 방지할 수 있는 암반용 조립식 강관전주의 지지대에 관한 것이다. 
이를 위해 본 발명은 강관전주(101)의 지상 하단부(101a)가 암반(100)에 설치되는 기초부의 지지대(102)와 강관주 고정볼트(103)로 체결되는 암반용 조립식 강관전주의 지지대에 있어서, 상기 지지대(102)에는 이의 상면을 따라 등각도로 강관주 고정용 구멍(104)들이 형성되고, 이 강관주 고정용 구멍(104)들이 강관전주(101)의 지상 하단부(101a)에 형성된 맞춤 대응구멍(105)들과 맞추어 정렬되어 강관주 고정볼트(103)로 체결되고, 상기 강관주 고정용 구멍(104)의 바깥쪽으로 등각도로 배치되는 케미칼 앙카 취부구멍(106)을 관통하는 케미칼 앙카볼트(107)들이 암반(100) 속으로 굴착 삽입되어 체결되는 구조로 되어 있다.
Patent KR-20130034525-A (KR)
Title: Movable type metal detection apparatus
Inventor: AHN HAENG SU
IPC: G01V3/10
Filed: 2011-09-28
Abstract: PURPOSE: A transportable metal detection apparatus capable of easy assembly/separation and carrying is provided to reduce the size and volume of a transmission unit and a receiving unit by a fixed panel and an elevation panel sliding up and down and mount the transmission and receiving unit by an operation of drawing out the elevation panel from the fixed panel. CONSTITUTION: A transportable metal detection apparatus(1) comprises a transmission unit(10) of which length is adjustable; a transmission coil(13) generating a magnetic field when the current is applied; a receiving unit(20) which faces with the transmission unit(10); a receiving coil(23) in which the current is induced by the magnetic field generated from the transmission coil(13); and a control unit(30) which is combined to the transmission unit(10) and the receiving unit(20) and detects the change of an electric signal induced in the receiving coil(23).
Patent KR-20110124180-A (KR)
Title: Organic light emitting diode and manufacturing method thereof
Inventor: HA YOUNG BO
IPC: H05B33/22
Filed: 2011-09-30
Abstract: PURPOSE: An organic electro luminescence device and a manufacturing method thereof are provided to improve an electrical performance by forming a transmitting layer capable of reducing enlargement and resistance of light transmission. CONSTITUTION: A first electrode(30) is formed on a substrate and has transparency. An organic layer(70) is formed on the first electrode. A second electrode(50) is formed on the organic layer and has the transparency. A light transmitting layer(90) comprises one among a oxide group, a nitride group, salts, and composite of the oxide group, the nitride group, and the salts. The light transmitting layer reduces surface resistance of the second electrode and improves transparency.
Patent KR-20130037386-A (KR)
Title: Micro porous separator coated with ceramics and its preparing method
Inventor: KIM BYUNG HYUN
IPC: B01D69/02
Filed: 2011-10-06
Abstract: PURPOSE: A microporous ceramic coating separation film and a manufacturing method thereof are provided to prevent discharging of environment contaminants during a manufacturing process and to avoid harming health of workers by forming an environment-friendly working place. CONSTITUTION: A ceramic slurry including an inorganic filler and an organic binder is coated on one surface or both surfaces of a porous substrate of a microporous ceramic coating separation film. The porous substrate includes a polyethylene resin with a weight-average molecular weight in a range of 300,000 to 500,000. Micropores grows in a horizontal direction to have a structure in which multiple layers are oriented between fiber porous substrates. On skin layers of both surfaces, pores with a size of 0.01 to 0.05μm are distributed at a distribution rate of 90 to 97% among the whole pores of the skin layers, and pores with a size of 0.05 to 1μm are distributed at a distribution rate of 90 to 97% among the whole pores of the core layer.
Patent KR-20130039200-A (KR)
Title: Organic el light device for automobile
Inventor: NAKAMURA HIROSHI
IPC: F21W106/00
Filed: 2011-10-11
Abstract: PURPOSE: An organic electroluminescence lighting device for a vehicle is provided to controls the intensity of light distribution and a lighting area using an organic EL(Electro Luminescence) light emitting part composed of organic EL diodes. CONSTITUTION: An organic EL light emitting part(110) is formed at the ceiling(10) of a vehicle in the form of a matrix. An organic EL touch part(120) is formed at the organic EL light emitting part. An organic EL detection part(130) detects the position where the organic EL touch part is touched. An organic EL determination part(140) determines the light emitting region of the organic EL light emitting part. An organic EL driving part(150) operates the light emitting region of the organic EL light emitting part to emit light. [Reference numerals] (130) Organic EL detection part; (140) Organic EL determination part; (150) Organic EL driving part;
Patent KR-20130046487-A (KR)
Title: Semiconductor package
Inventor: LIM CHANG HYUN
IPC: H01L23/495
Filed: 2011-10-28
Abstract: PURPOSE: A semiconductor package is provided to improve the convenience of design by forming a lead frame in the upper and the lower surface of a substrate. CONSTITUTION: A substrate has a first surface and a second surface. A semiconductor device(121,122) is formed on the first surface of the substrate. A first lead frame(130) is formed at both sides of the first surface. A second lead frame(140) is formed at both sides of a second surface. The first lead frame is separated from the second lead frame according to an insulation distance reference.
Patent KR-20130046556-A (KR)
Title: Cleaning device for pay loader
Inventor: KIM YOUNG SIK
IPC: B08B1/04
Filed: 2011-10-28
Abstract: PURPOSE: A cleaner device for a pay loader is provided to improve workability by automatically performing a work which a brush member rotates and sweeps a cargo to the inner side of a powered shovel. CONSTITUTION: A cleaner device for a pay loader(10) comprises a movement driving unit(30), a rotary link(40), a rotary shaft member, a brush member(60), and a rotation driving unit(70). The movement driving unit is installed on a side(15) of a powered shovel(14), and a rod member performs reciprocating motions. The rotary link is installed on both sides of the powered shovel and changes the position of the brush member. The brush member rotates by penetrating to the left of the rotary shaft member and transfers a cargo(20) to the inner side of the powered shovel. The pay loader is inputted into a vessel, and the rest cargo is collected to be unloaded after unloading the cargo from the vessel with a continuous unloader.
Patent KR-20130048934-A (KR)
Title: PVDF NANOFIBROUS MEMBRANE WITH HIGH RATIO OF β-PHASE, PIEZOELECTRIC AND FERROELECTRIC PROPERTIES, AND MANUFACTURING METHOD OF THE SAME
Inventor: AHN YONG JIN
IPC: C08K3/04
Filed: 2011-11-03
Abstract: PURPOSE: A PVDF (polyvinylidene fluoride) nanofiber film and a manufacturing method thereof are provided to express excellent mechanical actuation based on high content of beta crystalline, 60 mC/m^2 of remnant polarization and piezoelectricity. CONSTITUTION: A nanofiber film includes polyvinylidene fluoride(PVDF) and carbon nanotube. In the nanofiber film, the PDVF and carbon nanotube are electrically emitted. The nanofiber film is manufactured by one or more of drawing and poling. The content of the carbon nanotube is 0.01-1.0 wt% based on the weight of the PVDF. The carbon nanotube is multi-walled carbon nanotube(MWCNT). The carbon nanotube is manufactured by introducing carboxylic acid group by one or more methods selected from a group consisting of heat treatment, acid treatment and ultrasonication.