baber/WOPTO huggingface dataset:
Patent KR-20000000717-A (KR)
Title: Grain automatic transmission supplying device
Inventor: KIM EUN HWAN
IPC: A01F25/00
Filed: 1998-06-03
Abstract: PURPOSE: A grain transmission supplying device is provided to save a manufacturing cost and an energy waste and to efficiently automatic-transmit grains. CONSTITUTION: The grain transmission supplying device comprises:a grain receiving unit(23) for receiving grains, opened the upper part; a support bar(24) for connecting the inner part of the grain receiving unit and the upper part of the receiving unit; a chain(29) installed along with the support bar, shaping a closed loop; a driving motor(30) for driving a sprocket wheel; a basket(31) for receiving grains.
Patent KR-20000004124-A (KR)
Title: Temperature confirming device of refrigerator using thremosensitive discoloring member
Inventor: PARK HYUN GEUN
IPC: F25D23/00
Filed: 1998-06-30
Abstract: PURPOSE: A temperature confirming device is provided to confirm the temperature change of the inside of a refrigerator even from the outside of the refrigerator by using the thermally sensitive discoloring member for changing colors according to the change of the inner temperature of the refrigerator. CONSTITUTION: The temperature confirming device contains:a thermally sensitive discoloring member(22) placed on the outside of a refrigerator(10); a penetrating groove(24) formed by penetrating a door(11) of the refrigerator(10); a pipe member(23) with its one ending part placed inside of the refrigerator(10) and its other ending part contacted to the ther mally sensitive discoloring member(22), and having a cooling duct(27) with its specific sectional area provided in its inside; and a transparent heat insulating board(21) for interrupting the transmission of heat to the inside of the refrigerator(10).
Patent KR-20000004805-A (KR)
Title: Temperature control device for refrigerator
Inventor: PARK HYUNG NAM
IPC: F25D29/00
Filed: 1998-06-30
Abstract: PURPOSE: A temperature control device for a refrigerator is provided to improve the temperature control efficiency of a refrigerator by minimizing the change of the temperature inside a refrigerator and by quickly coping with the change of a load. CONSTITUTION: The temperature control device has:a temperature detecting sensor(10) to detect the temperature inside a refrigerator; a fan motor(50) to drive a fan of the refrigerator; a micomputer(20) to output a control signal by calculating the speed of the fan motor(50); a calculating unit(30) to calculate the change rate of the temperature detected from the temperature detecting sensor(10); a fan motor driving unit(40) to output a certain driving signal to the fan motor(50) by using a driving element and the relay according to the control signal of the micomputer(20).
Patent KR-20000008617-A (KR)
Title: Combined joystick and mouse device
Inventor: JUNG CHEON WOO
IPC: G06F3/02
Filed: 1998-07-15
Abstract: PURPOSE: A combined joystick and mouse device is provided to perform a mouse or joystick function at the same time by adding a joystick function to a mouse. CONSTITUTION: The combined joystick and mouse device comprises: a body part(10) for performing a mouse function; a location sensing part(14) installed at one side of the body part, for sensing a conversion operated by a user in order to instructing a coordinate movement on a screen to then transfer the sensed conversion to a system; a microcomputer(41, 42) for selecting data transferred from the body part or the location sensing part to drive the system according to the selected result, wherein the microcomputer(41, 42) has a switching part which selects one of the data transferred from the body part or the location sensing part.
Patent KR-20000008647-A (KR)
Title: Process for preparing ultra low carbon and high strength cold rolled steel plate containing copper and tungsten
Inventor: LEE KYU YOUNG
IPC: C21D8/02
Filed: 1998-07-15
Abstract: PURPOSE: A steel plate is prepared by addition of tungsten in a copper-containing ultra low carbon steel. CONSTITUTION: The ultra low carbon steel plate composition is:less than 0.005 wt.% of carbon, 0.1-0.4 wt.% of manganese, less than 0.01 wt.%of sulfur, less than 0.07 wt.% of soluble aluminum, less than 0.006 wt.% of nitrogen, 0.4- 1 wt.% of nickel, 0.02-0.07 wt.% of titanium, 0.5-2 wt.% of copper, 0.25- 0.5 wt.% of tungsten, remainder of feruum and impurities. The steel is hot-rolled at 1,050-1,200°C and wound at 450- 600°C. The steel is cold-rolled and annealed to give the steel.
Patent KR-20000013426-A (KR)
Title: Modular storage unit having shelf
Inventor: ELTHWARD ARTHER W
IPC: F16S3/00
Filed: 1998-08-08
Abstract: PURPOSE: An advanced storage device having high flexibility is provided to selectively store various objects such as private and office files, books and equipment by adjusting the device to various types of available rooms. CONSTITUTION: The device installed by:forming a first and a second module frames(12, 14) of an open part and assembled together to provide dividing columns(16, 16'); placing a lowest module frame on a ground plain surface; connecting two or more columns with each other by shelf members(18, 18', 18"); and forming the first module frame(12) to include an upper base(20) and a lower base(22).; Herein, the upper base is made up of a pipe or a bar formed on a first and a second horizontal side parts(24, 26) separated from each other, but having same length.
Patent KR-20000013758-A (KR)
Title: Method for using multimedia file reinforcement and recording media
Inventor: AN MIN YONG
IPC: G06F12/00
Filed: 1998-08-13
Abstract: PURPOSE: A method for using multimedia file reinforcement and a recording media are to increase the extension and usefulness of the range of application through an additional information providing and to show a method to increase the efficiency of an additional information retrieval and a recording media to record a data. CONSTITUTION: A multimedia file reinforcement using method and the recording media comprise the steps of: (46,47) storing to an additional information file directory by a request of directory file(2); (48) storing to a major information directory(7); (49) showing the major directory(7) to a display unit(8); (51,52) regenerating a multimedia file; and (53,54) displaying the contents of additional information file at the display unit(8).
Patent KR-19990036601-A (KR)
Title: 압전 세라믹 레조네이터 및 제조 방법
Filed: 1998-08-20
Abstract: 본 발명은 서로 대향하는 상부면과 하부면과 상부면 및 하부면을 연결하는 측면들을 갖는 압전 세라믹 소체와, 각각 긴 전극면과 짧은 전극면을 가지고 일체로 성형된 제1 및 제2 전극과, 각각 전극에 일단부가 연결된 복수개의 리드 핀으로 구성되고, 제1 전극의 긴 전극면은 압전 세라믹 소체의 상부면과 접촉하고 짧은 전극면은 압전 세라믹 소체의 일측면과 접촉하며, 제2 전극의 긴 전극면은 압전 세라믹 소체의 하부면과 접촉하고 짧은 전극면은 압전 세라믹 소체의 타측면과 접촉하며, 제1 전극의 긴 전극면과 제2 전극의 짧은 전극면은 소정의 간극을 두고 격리되고 있고, 제1 전극의 짧은 전극면과 제2 전극의 긴 전극면은 소정의 간극을 두고 격리되고 있고, 제1 전극의 긴 전극면과 제2 전극의 긴 전극면은 압전 세라믹 소체를 사이에 두고 서로 대향하는 부분이 있는 압전 세라믹 레조네이터에 관한 것이다.  본 발명은 또한 이러한 압전 세라믹 레조네이터의 제조 방법에 관한 것이다.
Patent KR-19990023742-A (KR)
Title: 효소 복합체
IPC: C12R1/885
Filed: 1998-08-20
Abstract: 본 발명은 호밀의 증류폐액에서 고형 성분을 제거하고, 물 및 다른 휘발성 물질을 증발시켜서 비휘발성 성분을 농축시키고, 이어서 상기로부터 생성된 호밀 농축액의 묽은 증류폐액을 오토클레이빙시킴으로써 전처리된 호밀의 묽은 증류폐액(stillage)을 크실라나제 유도 물질인 동시에 탄소 공급원으로서 배양에 사용하는, 크실라나제를 생성하는 미생물인 트리코더마(Trichoderma) 속을 영양 배지에서 배양하므로써 크실라나제가 풍부한 효소 복합체를 제조하는 방법에 관한 것이다.  본 발명에 따른 본 방법의 다른 특징에서, 탈유 대두분(de-oiled soya meal) 또는 대두분 액이 추가의 크실라나제 유도 물질 및 질소 공급원으로서 사용되며, 탈유 대두분 또는 대두분 액을 전처리된 호밀의 묽은 증류폐액에 첨가하므로써 크실라나제 생성이 더욱 증가된다.  본 발명에 따른 방법에서 제조되는 효소 복합체는 동물 사료 산업, 특히 사육 조류 영양물에서 바로 사용할 수 있다.  예를 들어 호밀, 보리 또는 라이밀을 함유한 사료에서의 효소 복합체의 사용은 비전분성 다당류의 반영양 작용(antinutritive action)을 감소시키는데 있어서 유리한 영향을 미치며, 동물 장에서 영양물의 소화능 및 흡수성을 개선시킨다.
Patent KR-20000014786-A (KR)
Title: Optical fiber amplifier having high output transformation efficiency
Inventor: LEE JU HAN
IPC: G02B6/00
Filed: 1998-08-25
Abstract: PURPOSE: An optical fiber amplifier is provided to improve an efficiency in a signal profit and a pumping output by using an amplify voluntary emitting light as a second pumping source. CONSTITUTION: The optical fiber amplifier having a first optical fiber part to be optical pumped and a second optical fiber part not to be optical pumped includes a recycling tool for using a voluntary emitting light as a second pumping source against the second optical fiber part. The recycling tool includes furthermore a wavelength division multiplexed connector inserted between the first optical fiber part and the second optical fiber part and an optical pumping tool connected with the wavelength division multiplexed connector. The first and the second fiber part are made of Erbium doped fiber amplifier.
Patent KR-19990023932-A (KR)
Title: 스위치식 예측 양자화 방법
IPC: G10L19/06
Filed: 1998-08-27
Abstract: 스피치 코더(speech coder)의 LPC 계수를 양자화하는 신규의 방법은 스위치예측 다단 벡터 양자화(improved form of switched predictive multi-stage vector quantization)의 개선된 형태를 포함하고 있다.  스위치 예측 양자화(switch predictive quantization)는 MSVQ 양자화기 내에 적어도 한쌍의 코드북 세트 및 제1 및 제2 예측 매트릭스(24a,24b)를 포함하되, 제1 예측 매트릭스 1은 코드북 세트 1과 사용되고 예측 매트릭스 2는 코드북 세트 2와 사용되며, 상기 인코더는 어느 예측 매트릭스/코드북 세트가 검출기(35)에서 최저의 양자화 에러를 발생시키는지를 판정하며 제어부(29)는 스피치 코더로부터의 최저 에러를 갖는 지수들(indices)을 게이트 제어한다.
Patent KR-20000015324-A (KR)
Title: Writing tool of finger put-in type
Inventor: KIM MIN GEUN
IPC: B43K23/012
Filed: 1998-08-28
Abstract: PURPOSE: A writing tool of finger put-in type is provided to write down with a simple finger movement in a comfortable position, to prevent a finger from being painful when using the tool for a long time and to recycle ink and a nib. CONSTITUTION: The noting tool comprises: a finger inserting unit(12) opening one side to put the finger inside a body(11) of a noting tool(10); many penetrating holes(13) formed on the surface of the body for preventing the inside of the finger inserting unit from being full of sweat,; an ink storing container(15) for slidingly combining with the body through an inserting groove(14) that is formed in the upper part of the body, for supporting the finger that is put on the finger inserting unit by projectively forming in a streamline shape and for receiving ink that is used for a noting tool(10); and a pen nib(16) installed in one side of the ink storing container to be fixed.
Patent KR-20000019283-A (KR)
Title: Method for manufacturing semiconductor device
Inventor: PARK JONG KWAN
IPC: H01L21/336
Filed: 1998-09-10
Abstract: PURPOSE: A method for manufacturing semiconductor device is provided to prevent the occurrence of a stepped cone between an active region and a field region by forming a trench in an insulating substrate and forming a well region. CONSTITUTION: A photosensitive film(61) is removed and a photosensitive film(64) is formed on an insulating substrate(41) for exposing a p-well region(53) and a second gate(60). An N-type impurity such as a phosphorus or an arsenic is injected into the p-well region(53) and a second impurity region(67) is formed. The second impurity region(67) is used as a source and drain region. A portion overlapped with the second gate(6) between the second impurity region(67) of the p-well region(53) is a channel region. The channel region is formed to a bottom surface or a side surface of the second gate(60).
Patent KR-20000019630-A (KR)
Title: Device for circulating washing water of drum washing machine
Inventor: SEO SANG UK
IPC: D06F39/08
Filed: 1998-09-14
Abstract: PURPOSE: A device for circulating the washing water is provided to prevent the exposure of a heater in air when the washing water is rotated, and to prevent the life reduction of heater thereby. CONSTITUTION: A drum washing machine has an auxiliary piping(1) formed in a rotary piping(61) to supply the part of rotated washing water into a heater(63) installed inside a tub(53). The exposure of the heater(63) in air is prevented when the rotated washing water is absorbed in the washing by directly jetting the part of washing water flowed in the rotary piping(61) with a rotary pump(60) into the heater(63) through the auxiliary piping(1), and the upper face of a drum(54) is lifted by a lift(65). The washing effect and the preventing effect of overheat of the heater are maintained maximally by controlling the flux of the washing water supplied and divided into the auxiliary piping(1) and the rotary piping(61) according to the diameter of the rotary piping(61) and the auxiliary piping(1).
Patent KR-19990029778-A (KR)
Title: 부착시트
IPC: C08G18/12
Filed: 1998-09-15
Abstract: 본 발명은, 평활면을 가진 피착체, 예를 들면, 유리, 플라스틱, 금속, 도장면 등에 대해서 부착시킬 수 있고, 또한 부착시트 자체 및 피착체를 손상, 오염하는 일 없이, 용이하게 박리할 수 있고, 또 반복부착시킬수 있는 부착시트에 관한 것으로서, 평활면을 가진 피착체에 부착시킬수 있고, 또한 피착체로부터 떼어낼때의 부착시트자체 및 피착체의 손상,오염의 방지성에 뛰어나고 있으며, 용이하게 박리할 수 있고, 또 반복사용가능한 부착시트를 제공하는 것을 과제로 한 것이며, 그 해결수단으로서, 기재필름의 한쪽면 또는 양면에 폴리실록산성분을 2∼50중량％함유한 실록산변성폴리우레탄수지로 이루어진 부착층을 형성하는 것을 특징으로 한 것이다.
Patent KR-19990030019-A (KR)
Title: 차륜의 위치 표시방법 및 그 장치
IPC: B62D15/02
Filed: 1998-09-22
Abstract: 본 발명은 차륜의 위치 표시방법 및 그 장치를 제공하는 것으로, 차륜의 위치 표시방법은 전원이 공급되면 CPU의 입출력부와 변수들을 초기화시키고 LCD를 초기화한 후 로고를 표시하는 초기화 단계(S1)와; 차륜의 위치를 감지하여 그에 대응하는 아날로그 위치데이터로 읽어들여 0에서 255사이의 디지털 값으로 A/D변환하여 차륜의 디지털 위치데이터를 얻는 차륜의 위치 데이터 획득단계(S2)와; 상기 차륜의 위치 데이터 획득단계(S2)에서 얻어진 디지털 값에 대응하여 LED를 점등하여 차륜의 위치를 표시하는 LED 표시단계(S3)와; 상기 차륜의 위치 데이터 획득단계(S2)의 디지털 값이 126보다 작을 경우에는 바퀴의 위치가 왼쪽을 향하는 것으로 하고, 126과 129사이에 있을 경우에는 전방을 향하는 것으로 하고, 129보다 크면 오른쪽을 향하는 것으로 LCD에 그 방향과 회전량을 표시하는 LCD 표시단계(S4)를 수행하여 이루어지는 것을 특징으로 한다.
Patent KR-20000020970-A (KR)
Title: Method for non-polar tantalum capacitor
Inventor: CHO YEONG SOO
IPC: H01G9/042
Filed: 1998-09-25
Abstract: PURPOSE: A method for manufacturing a non-polar tantalum capacitor is provided to protects a circuit from the damage occurred when polar exchanges during setting a capacitor to a PCB board by removing the polar of tantalum occurred while the forming process for a non-polar tantalum. CONSTITUTION: A tantalum demagnetization forming (-), (+) polars by polarization has 1/10voltage through forming process(S30) and AC voltage through transferring process(S40). The strong polar of the tantalum element relent, and direct reverse current transferring process that reverse polar is connected to the (-), (+) polars of the tantalum element formed weakly while forming process(S30) leads the tantalum demagnetization to have the transferred 1/10 voltage. If the forming process(S30) and the transferring process(S40) are performed by turns, (-), (+) polars at the tantalum will be swept away. Whereby, the tantalum capacitor has non-polar, and it is completed by the process: plastic deformation(S60), assembling process(S70), wrapping process(S80), aging process(S90), and marking process(S100), in order.
Patent KR-19990036718-A (KR)
Title: 건조기 드럼 온도 감시 장치
IPC: F26B13/10
Filed: 1998-09-30
Abstract: 본 발명은 제지기(製紙機) 또는 방직기(紡織機)의 건조기 드럼의 온도를 감시하는 장치에 관한 것이다. 각 건조기 드럼에는 무선 온도 감지기가 설치된다. 감지기 픽업 소자는 상기 온도 감지기로부터 온도 신호를 수신하고, 이 신호는 컴퓨터에 의해 처리된다. 다수의 감지기 픽업 소자로부터 무선 주파 송신기로 상기 신호를 제공하는 데에 다중화기가 사용될 수 있다. 상기 송신기로부터 신호를 수신하여, 이들 신호를 컴퓨터에 제공하는 데에 무선 주파 수신기가 사용될 수 있다. 상기 컴퓨터는 상기 온도 신호를 처리함으로써 상기 드럼의 온도를 측정한다. (예컨대, 상기 건조부로 유입되는 증기의 흐름을 제어함으로써) 상기 드럼의 온도를 제어하기 위하여, 상기 컴퓨터는 분산된 제어 장치에 제어 신호를 제공할 수 있다.
Patent KR-20000024748-A (KR)
Title: Driver for lift of flat reciprocating parking equipment
Inventor: KIM WON DONG
IPC: B66F7/00
Filed: 1998-10-01
Abstract: PURPOSE: A driver for lifting a lift is provided to enter a vehicle in both directions and make the structure simple. CONSTITUTION: A driver(12) is installed on a base(10) made into an iron frame structure. The driver is composed of a driving motor(12A), a decelerator(12B), a brake(12C), a driving pulley(13), a first, second, third and fourth lift pulley(14)(14A)(14B)(14C), an idle pulley(15) and a rope(L). The rope is pulled in a left direction and the lift ascends by rotating the driving pulley in a direction of lifting the lift. The lift descends by rotating the driving pulley in clockwise direction. Therefore, vehicles entered both directions as a weight bob is placed in the right lower side of the driving pulley.
Patent KR-20000025098-A (KR)
Title: Connecting circuit of positive emitter coupled logic(pecl)
Inventor: LIM CHAE UN
IPC: H03K19/086
Filed: 1998-10-08
Abstract: PURPOSE: A connecting circuit is to realize a PECL(Positive Emitter Coupled Logic)-TTL(Transistor-Transistor Logic) conversion logic to draw lower price and minimum area by using a general operation amplifier without using a common PECL-TTL conversion logic when connection is made to TTL circuit network by TTL conversion of state information of optical element or clock information. CONSTITUTION: A PECL connecting circuit comprises: an operation amplifier(2) which connects a first resistance(R1) to a second resistance(R2) serving to distribute a voltage source in series to a non-reverse (+) terminal for inputting a reference voltage source and inputs a PECL signal to a reverse (-) terminal through a third resistance(R3) whereby PECL signal is level changed; and a fourth resistance(R4) connected between the PECL signal receiving terminal and the third resistance to be responsible for impedance matching. A condenser(C) for stabilizing reference voltage is connected between the non-reverse terminal and the second resistance.
Patent KR-20000025409-A (KR)
Title: Transistor
Inventor: KIM YOUNG CHEOL
IPC: H01L29/49
Filed: 1998-10-12
Abstract: PURPOSE: A transistor is provided to prevent a degradation of carrier mobility of a channel generated by roughness of interface between a gate oxide and a semiconductor substrate. CONSTITUTION: A semiconductor substrate includes a step by tilting 4 degrees from £001| axis to £100| axis. An active region(26) of a first conductive type is defined to the horizontal direction with the length direction of the step. A gate electrode of a second conductive type is formed to the vertical direction with the length direction of the step. A source and a drain regions(24,25) are formed in the active region. Carriers for moving a channel are moved parallel with the length direction of the step, thereby increasing the carrier mobility.
Patent KR-20000025548-A (KR)
Title: Pulse width modulation circuit and inverter driving apparatus using the same
Inventor: RYU JAE HO
IPC: H05B6/12
Filed: 1998-10-13
Abstract: PURPOSE: An inverter driving apparatus using a pulse width modulation circuit is provided to control a pulse width of an output according to a necessary maximum operating time. CONSTITUTION: An inverter driving apparatus using a pulse width modulation circuit comprises: a first comparing element for outputting a pulse signal according to fluctuation of an input voltage; a differentiating element having a time constant determined within the scope of compensation of an output voltage for differentiating the output of the first comparing element; and a second comparing element for generating a pulse signal according to the difference between the output of the differentiating element and a reference voltage determined by a second voltage induced from the input voltage.
Patent KR-20000026087-A (KR)
Title: Capacitor of semiconductor integrated circuit and method for fabricating the same
Inventor: LEE GI YOUNG
IPC: H01L21/768
Filed: 1998-10-17
Abstract: PURPOSE: A method for fabricating a capacitor of a semiconductor integrated circuit is provided to prevent a connection badness of a dielectric film from being made at both edges of a lower part of a via hole. CONSTITUTION: In a method for fabricating a capacitor of a semiconductor integrated circuit,a lower electrode(202a) of a conductive material is formed on a part of an insulation substrate(200). An interlayer insulation film(204) is formed over an entire surface of the insulation substrate(200). A via hole(h1) is formed passing through the interlayer insulation layer(204) so that a surface of a part of the lower electrode is exposed. A spacer(208) is formed at both side walls of the via hole. A dielectric film(212) and an upper electrode(214a) are sequentially formed over an entire surface of the insulation substrate.
Patent KR-20000026437-A (KR)
Title: Method for estimating welding property of spot welding unit by using supersonic waves
Inventor: YU HYO SUN
IPC: B23K31/12
Filed: 1998-10-20
Abstract: PURPOSE: An estimation method is provided to easily weld a welding material, to improve productivity by estimating the welding property of a spot welding unit within a short time and to apply to the welded material having a complex shape. CONSTITUTION: An estimation method is to non-destructively estimate the welding property of a spot welding for connecting by the resistance irradiation of a contact part after a charged current is transmitted in a state of giving pressure after a thin metal plate is contacted with a supersonic wave. In addition, the welding property of the spot welding is estimated by using relative relation between a nugget diameter used as an estimation factor of the welding property of the spot welding and the echo transit time of the supersonic wave.
Patent KR-20000026839-A (KR)
Title: Method for manufacturing semiconductor device
Inventor: LEE WOO HAN
IPC: H01L21/28
Filed: 1998-10-23
Abstract: PURPOSE: A method for manufacturing semiconductor device is provided to minimize damages effecting on gate dielectric film and substrate in course of etching process for forming gate electrode. CONSTITUTION: A gate dielectric film(12) is formed on an upper portion of a semiconductor substrate(10) having an isolation film(11). A polysilicon layer(13) of a predetermined thickness is formed on an upper portion of the gate dielectric film(12). A buffer dielectric film(14) of a predetermined thickness is formed on an upper portion of the polysilicon layer(13). The buffer dielectric film(14) of a predetermined portion corresponding place to the gate electrode is etched and a hole is formed in the buffer dielectric film(14). An electric layer(16) is buried in the hole. Then, the buffer dielectric film(14) is removed and surface of the polysilicon layer(13) is heat-oxidized. And, the gate electrode including the electric layer(16) and the polysilicon layer(13) is formed by removing the polysilicon layer(13).
Patent KR-20000031214-A (KR)
Title: Interior and exterior material for construction and its manufacturing method
Inventor: KIM YOUNG KEUN
IPC: B32B13/02
Filed: 1998-11-04
Abstract: PURPOSE: An interior and exterior material is provided to manufacture the material of a building for the high efficiency of beautiful quality, light and heat insulation. CONSTITUTION: An interior and exterior comprises of: a heat insulating and filling material(12) like polystyrene foam, polyethylene foam, polyurethane foam or plywood for non-inflammable or easy distinguishing; a reinforcing mesh infiltrated or attached to the heat insulating filling material; and an outer shell molding the reinforcing material on the surface of the heat insulating and filling material included a natural stone powder of 40-60 wt.%, a waterproof material of 0.0025-0.25 wt.%, cement of the rest wt.% and some inorganic pigment.
Patent KR-20000032068-A (KR)
Title: Light emitting compound and indicative device containing it as a coloring material
Inventor: KWON SAN KI
IPC: C09K11/06
Filed: 1998-11-12
Abstract: PURPOSE: Blue color emitter having a good light emitting effect and stability and an indicative device containing it as a coloring material are provided. CONSTITUTION: Light emitting compound(formula 1; A is hydrogen, -Si(R4)(R5)(R6); R1,R2, R3, R4, R5 and R6 are hydrogen, aryl and C1-C20 alkyl group; n is 10-200) is provided. Thus, a mixed solution of 0.1 g of formula 2(n is 10- 200) and 5 g of chlorobenzene is spin-coated on the glass board to give 1,000 angstrom thickness of light emitting material to give organic electro-luminescence device.