baber/WOPTO huggingface dataset:
Patent KR-20010060522-A (KR)
Inventor: LEE CHANG HUN
IPC: G02F1/1343
Filed: 1999-12-27
Abstract: PURPOSE: A liquid crystal display device is to provide a uniformed viewing angle in any direction by dispersedly aligning liquid crystals to multi-areas, minimize a gray inversion and obtain a wide viewing angle by compensating a retardation of incident light symmetrically. CONSTITUTION: The first substrate(11) includes the first electrode(41). The second substrate(12) faced to the first substrate includes the second electrode(42) for forming an electric field together with the first electrode. Protrusions(51,52) having a predetermined tilt angle are formed on the first substrate and the second substrate. Liquid crystal molecules(31) are injected between the first substrate and the second substrate in a horizontal alignment. The liquid crystal molecules are aligned in a direction vertical to the first substrate and the second substrate and have a line tilt angle due to the protrusion, so that the liquid crystal molecules are aligned in a symmetrical form with respect to a central line of the protrusion and a central surface of the substrate.
Patent KR-20010065732-A (KR)
Inventor: KIM JAE GAK
IPC: H01J9/24
Filed: 1999-12-30
Abstract: PURPOSE: A making method of a plasma display panel is provided to improve the character of panel by treating a heat on the surface of Mgo protecting layer by means of the laser. CONSTITUTION: A front electrode groups(3,4) are formed on a front substrate(1). A black strife(10) is formed at the outside of each electrode of the front electrode groups(3,4). A tracing dielectric layer(6) is formed on the front electrode groups(3,4) by the beta printing. A Mgo protecting layer(11) is formed on the dielectric layer(6) to protect the front electrode groups(3,4). An address electrode is formed on the rear of a rear substrate. A dielectric layer is formed on the rear substrate. A bulkhead is formed on the dielectric layer to enlarge a discharging space. A fluorescent layer is formed at between the bulkheads. The front substrate(1) is connected to the rear substrate. A heat treatment means of Mgo protecting layer(11) is controlled by the laser means(12). The surface of Mgo protecting layer(11) performed a heat treatment at the temperature of 1000-1300°C.
Patent KR-20010058768-A (KR)
Inventor: YANG O SEUNG
IPC: G09G3/296
Filed: 1999-12-30
Abstract: PURPOSE: A driving method of a plasma display panel is provided to decrease mean writing discharge voltage by performing a writing discharge of odd line with an active particle generated in the time of a writing discharge of even line. CONSTITUTION: A voltage level of a writing discharge voltage(Vw3_odd) applied to odd line is the same as a voltage level of a writing discharge voltage(Vw2_odd,Vw2_even) in the time of a drive of plasma display panel, and is bigger than that of a writing discharge voltage(Vw3_even) applied to even line. Namely, because an active particle generated in the time of a writing discharge of odd line is used in a writing discharge of even line, the writing discharge voltage(Vw3_even) is decreased.
Patent KR-20010058780-A (KR)
Inventor: SEO GYEONG JE
IPC: B23P23/00
Filed: 1999-12-30
Abstract: PURPOSE: A horizontal machining center using a b-axial partition guard is provided to replace a workpiece during a process as well as to process an optional slant face using a B axle and to prevent chips and cutting oil from being scattered. CONSTITUTION: A fixture(2) oppositely clamping two workpieces(3) is put on a table(1) and a partition guard(4) is overlapped on the fixture. The fixture and the partition guard are rotated in any angle with the rotation of a B axle. A B axial guard(5) is fixed with a guard body and in a hemispheric shaft to prevent chips and cutting oil from being scattered even if the B axle is rotated in an optional angle. A wiper(6) is placed between the partition guard and the B axial guard. A bearing is combined to the upper rotating center of the B axial guard and the central axle of the bearing is fixed to a rotary frame(9) of the partition guard. The wiper is also fixed to the rotary frame to prevent the chips from being scattered. To replace a workpiece, the B axle is rotated with the partition guard, the fixture, the rotation plate, and the wiper at 180 degrees without the scattering of chips and cutting oil.
Patent KR-20010059545-A (KR)
Inventor: CHOI YONG JIN
IPC: H01L21/28
Filed: 1999-12-30
Abstract: PURPOSE: A method for forming a metal contact of a semiconductor device is provided to improve the reliability of a semiconductor device by stabilizing a resistance of a metal-1 contact on a poly-1. CONSTITUTION: A gate oxide layer(1) and a poly-1(3) are deposited on a semiconductor substrate. A tungsten silicide(5) is deposited thereon. A capping poly(7) is deposited on the tungsten silicide(5). A hard mask(9) is deposited on the capping poly(7). An anti-reflective layer is deposited thereon. A poly-1 mask is formed by using a photoresist. The hard mask(9) is etched and patterned by using the poly-1 mask. A poly-1 etching process is performed. A photoresist is applied only on a cell region by performing a poly-1 spacer mask process. The hard mask(9) of a peripheral region is removed by performing a wet etching process. A metal-1 contact is formed on the poly-1.
Patent KR-20000062278-A (KR)
Title: 자동차 유압브레이크시스템내로 브레이크액을 기포제거하여 충전하는 방법
IPC: B60T17/00
Filed: 1997-12-05
Abstract: 본 발명은 미끄럼제어부 및/또는 자동브레이크조정부가 구비되고, 작동시 펌프가 복귀흐름원리에 따라 브레이크액을 2차 회로로부터 1차 회로로 운반하는 자동차 유압브레이크시스템내로 브레이크액을 기포제거하여 충전하는 방법에 관한 것이다.     본 발명 방법에 따라, 1차 회로만이 제거되어 불포화상태의 브레이크액으로 충전된다.
Patent KR-20000070682-A (KR)
Title: 디지털 동기 신호 분리기
IPC: H04N5/46
Filed: 1998-01-22
Abstract: 수직 동기(V_sync) 펄스를 가진 이미지 필드를 포함하는 복합 비디오 신호로서, V_sync 펄스는 E 1 개 파형의 제1 등화 펄스 그다음에 이어서 각각이 T S 길이인 S 개 파형을 가지는 톱니 펄스 또 그다음에 이어서 각각이 T E 길이인 E 2 개 파형의 제2 등화 펄스를 포함한다.  E 1 개 파형의 마지막 파형에서 S 개 파형의 제1 파형으로의 천이는 수직 동기(V_sync) 신호를 형성한다.  여기에서 Er은 시간 쉬프트 에러를 나타낼 때, 시스템은 상기 V_sync 신호 후에 제1 시간 간격 ΔT 1 ± Er에서 발생한 참조 이벤트를 판정한다.  시스템은 필터링된 신호를 얻기 위해서 복합 비디오 신호를 필터하는 필터, 및  클램핑된 신호를 얻기 위해서 필터링된 신호를 클램프하는 클램퍼, 및 상기 톱니 펄스에서 N(N≤S) 개 파형을 검출하여 제1 이벤트 발생을 표시하는 제1 검출기, 및 상기 제1 이벤트 발생에 응답하여, 상기 제2 등화 펄스에서 M(M≤E 2 )개 파형을 검출하여, 상기 참조 이벤트 발생을 판정하는 제2 검출기를 포함하되, 상기 ΔT 1 은 M*T E + S*T S 이다.
Patent KR-20000076013-A (KR)
Title: 광활성의 쿠마린 유도체
IPC: C07D335/06
Filed: 1998-02-23
Abstract: 본 발명은 포토레지스트 및 기타 광전자공학 분야를 비롯한 광범위한 이용 분야에서 광활성 화합물로서 유용하게 사용되는 신규한 부류의 3,4-디히드로쿠마린 유도체에 관한 것이다. 바람직한 실시 양태는 5-히드록시-3-디아조-4-옥소-3,4-디히드로쿠마린, 6-히드록시-3-디아조-4-옥소-3,4-디히드로쿠마린, 또는 7-히드록시-3-디아조-4-옥소-3,4-디히드로쿠마린의 에테르, 에스테르, 카보네이트 및 설폰산에스테르 유도체를 포함한다. 이들 화합물은 심자외선(DUV) 영역(약 250 ㎚)에서 매우 높은 감광성을 나타내므로, DUV 포토레지스트 조성물 중의 광활성 화합물로서 유용하게 사용된다.
Patent KR-20010012320-A (KR)
IPC: C07F9/655
Filed: 1998-04-24
Abstract: 본 발명은 하기 화학식 I의 2-벤조일시클로헥산-1,3-디온에 관한 것이다. 
     〈화학식 I〉 
     
       
     
     식 중, R 1 및 R 2 는 각각 수소, 머캅토, 니트로, 할로겐, 시아노, 티오시아나토, C 1 -C 6 -알킬, C 1 -C 6 -할로알킬, C 1 -C 6 -알콕시-C 1 -C 6 -알킬, C 2 -C 6 -알케닐, C 2 -C 6 -알키닐, -OR 10 , -OCOR 10 , -OSO 2 R 10 , -S(O) n R 10 , -SO 2 OR 10 , -SO 2 NR 3 R 10 , -NR 10 SO 2 R 10 또는 -NR 10 COR이고; 
     Q는 2위치에 결합된 치환 또는 비치환된 시클로헥산-1,3-디온 고리이고; 
     A는 제1항에서와 동일한 의미의 치환기를 갖는 하기 화학식 IIa, IIb 또는 III의 기이다. 
     〈화학식 IIa〉 
     
       
     
     〈화학식 IIb〉 
     
       
     
     〈화학식 III〉 
     
       
     
     본 발명은 또한 농업에서 사용될 수 있는 상기 화합물의 염에 관한 것이다.
Patent KR-20010014390-A (KR)
IPC: F27D1/00
Filed: 1999-05-18
Abstract: 본 발명은, 유리와 같은 높은 용융점을 갖는 물질의 용융을 위한 용융로에 관한 것으로, 용융된 물질의 용융액(5)을 가두는 바닥(hearth)(2) 및 벽면(3)을 포함한다. 용융된 물질과 접촉하는, 바닥(2) 표면의 적어도 일부분 및 선택적으로는 벽면(3)은 특히 산화물 또는 유리질 물질에 기초한 광물성 바인더와 함께 내화물질 모래(14,16)를 포함하는 하나 이상의 층(12,13,21,22,23)으로 구성된다. 본 발명은 특히, 금속 잔류물 함유 유리 부스러기인 유리를 용융하고 유리 부스러기에 함유된 금속을 분리하는데 유용하다.
Patent KR-20010068615-A (KR)
Title: Multi shelf structure for refrigerator
Inventor: KIM YEONG GWON
IPC: F25D25/02
Filed: 2000-01-07
Abstract: PURPOSE: Structure of multilayered shelves in a refrigerator is provided to make the best use of a space in a refrigerating chamber and a freezing chamber. CONSTITUTION: A fixed part(31) is extended from a food loading part(30) to stack multiplayer food, and combined with an installation part formed in an inner wall of a refrigerating chamber or a freezing chamber. The food loading part has a base plate(30a), a vertical wall(30b) formed vertically in the base plate, and two loading plates(30c) extended perpendicularly to the vertical wall. The loading plate is formed horizontally to the base plate. The fixed parts are protruded and extended in both sides of the base plate, and the installation parts are recessed in the inner wall of the refrigerating chamber or the freezing chamber to combine with the fixed parts. The installation part is protruded to fit in the fixed part in case of forming the recessed fixed part.
Patent KR-20010073249-A (KR)
Inventor: LEE KYUNG SOO
IPC: B60H1/00
Filed: 2000-01-13
Abstract: PURPOSE: A vehicle heating device is provided to heat the cool air by a heating coil in operating a switch, to purify air by flowing warm air into a vehicle, and to prevent accidents by talking over the cell phone with turning on a speaker in an outer heater. CONSTITUTION: An outer heater having a blower fan and an anion generator is installed in a vehicle by a cigar jack. The blower fan is rotated in applying power, and air is sucked into the outer heater through a filter in turning on a heating coil switch. The blower fan blows inner air to the anion generator, and the anion generator purifies air. Heating and air cleaning are performed with blowing warm air to the vehicle indoor through the filter in passing the purified air through a heating coil(30). A driver talks over a cell phone safely by turning on the switch of a speaker with installing the cell phone in a charger during traveling.
Patent KR-20010073480-A (KR)
Title: A mobile phone having a function for detecting a tapping device and a tapping detecting method using the same
Inventor: HWANG JO YEON
IPC: H04B1/40
Filed: 2000-01-15
Abstract: PURPOSE: A mobile telephone having a wiretap detecting function and a method for detecting a wiretap using the mobile telephone are provided to assemble a simple and additional configuration for detecting a wiretap, so as to detect the wiretap and a hidden camera. CONSTITUTION: A duplexer(10) divides frequency signals received through an antenna into RF(Radio Frequency) band signals and signals of a frequency band used in wiretap. A communication RF signal processor(20) converts the communication RF signals into signals capable of being demodulated. A BPF(Band Pass Filter,30) performs BPF for signals of the frequency band used in the wiretapping. An amplifier(40) amplifiers the filtered frequency signals. A controller(50) receives the signals capable of being demodulated, for demodulation, and decides the detection of wiretapping signals based on a power level of the amplified signals. An alarm/display unit(60) performs alarm or display according to a result decided of the controller(50).
Patent KR-20010076820-A (KR)
Title: Control circuit of transmitting level in remote control transmitter
Inventor: KIM HYEONG GON
IPC: H04Q9/00
Filed: 2000-01-28
Abstract: PURPOSE: A transmitting power control circuit for a remote controlled transmitter is provided to transmit a remote control signal in low level in the case of a short distance, and to transmit the remote control signal in high level in the case of a long distance. CONSTITUTION: When a user pushes a particular key on a keypad(30), a micro computer(20) controls the transmission of a specific remote control signal in response to a signal generated by the pushed key and a transmitting level by outputting a control signal in accordance to a long distance and a short distance remote control signal. A modulating/demodulating part(50) modulates a signal into an oscillating and high frequency signal in accordance with the remote control signal outputted from the micro computer(20) and outputs the signal. A frequency doubling and filtering part(60) performs a frequency doubling and filtering of the signal from the modulating/demodulating part. An amplifier(70) amplifies the signal from the frequency doubling and filtering part and transmits the signal via an antenna. A level adjuster(90) adjusts the level of amplifier(70) under the control of the micro computer.
Patent KR-20010076854-A (KR)
Title: Gain control apparatus of proportional and integral controller
Inventor: YOO JUN HYEOK
IPC: G05B11/42
Filed: 2000-01-28
Abstract: PURPOSE: A gain adjusting device of a proportional integral controller is provided, which adjusts a proportional gain and integral gain according to a gear transmission ratio and speed control mode to stabilize a motor control system. CONSTITUTION: A gain adjusting device of a proportional integral controller includes an error detector(31) for receiving a speed instruction value and speed output value to detect a speed error value, a proportional integral controller(32) for multiplying the speed error value by a proportional gain and integral gain and amplifying the multiplied value, and a torque constant controller(33) for multiplying the output value of the proportional integral controller by a torque constant to output a torque instruction value. The gain adjusting device further has an adder(34) for adding up the torque instruction value and a load torque estimation value to apply the added value to a motor, and a full order speed observer(36) for estimating a speed of the motor and the load torque, applies the estimated speed output value to the error detector and supplies the load torque estimation value to the adder. The device also has an inertial moment estimator(37) for estimating inertial moment of the motor, and a gain controller(38) for controlling the proportional gain and integral gain according to a gear transmission ratio between the motor and a load driven by the motor or speed control mode of the motor.
Patent KR-20010092115-A (KR)
Title: Internet based telephone communication system and communication method thereof
Inventor: LEE DAE JIN
IPC: H04L12/66
Filed: 2000-03-20
Abstract: PURPOSE: An Internet telephone communication system and a communication method are provided to embody an Internet phone with a perfect phone to phone type, and speak over an Internet telephone with the general telephone through a PSTN(Public Switched Telephone Network) and speak over the Internet telephone with other Internet telephones through an Internet network. CONSTITUTION: A plurality of Internet telephones(IP1-IPn) are connected through an Internet network. A call server(CS) is connected to the Internet network as a repeater between telephone conversations of the Internet telephones(IP1-IPn). Each Internet telephone(IP1-IPn) is connected to general telephones(NP11-NP1n,NP21-NP2n) through a PSTN(Public Switched Telephone Network).
Patent KR-20010090222-A (KR)
Title: Cool fluid accumulator-type vaporizer
Inventor: IN MUN JIN
IPC: F25B33/00
Filed: 2000-03-24
Abstract: PURPOSE: An evaporator condensing cool air is provided to reduce electricity consumption and preserve freezing goods by accumulating cool air and discharging in the daytime with driving a refrigerating cycle at night, and to lengthen a life span of a compressor by reducing operation time. CONSTITUTION: An evaporator is composed of a condensed cool air chamber(10) having a discharge port(11) and a gutter(12); plural condensed air plates(20) arranged on the gutter; a refrigerant pipe(30) arranged in the condensed air plate; a cool air condensing agent and refrigerant filled in the condensed air plate and the refrigerant pipe; plural aluminum plates(60) attached to the both sides of the condensed air plate; a defrosting heater pipe(70) penetrated vertically; and a fan(80) discharging cool air to a refrigerator. The cool air is accumulated with freezing the cool air condensing agent in driving a compressor at night. The cool air is discharged to the refrigerator through the fan with evaporating slowly in liquefying latent heat in the daytime or at power-off. The freezing state is kept for a long time without driving the compressor.
Patent KR-20010089871-A (KR)
Title: A nutritional dry laver
Inventor: MOON MYUNG JIN
IPC: A23L17/60
Filed: 2000-03-25
Abstract: PURPOSE: Nutritive dried laver obtained by sprinkling dried fish powder such as shrimp, anchovy or the like on the surface of laver and drying is provided, which is rich in taste and nutritive and has a peculiar taste seasoned with the taste of various fishes. CONSTITUTION: Laver is washed several times, spread on the mat, sprinkled with dried fish powder such as shrimp, anchovy or the like before the laver is dried and then dried to produce the titled nutritive laver. Fried or dried fish powder is preferably used to keep the product from decay.
Patent KR-20000036700-A (KR)
Inventor: GONG SUK TAE
IPC: G11B19/12
Filed: 2000-03-25
Abstract: PURPOSE: A writing and a reading methods of data for a CD changed its shape are provided to improve a writing efficiency of CD by improving the writing and the reading methods of CD. CONSTITUTION: In installing a driver for reading a transformed CD in a computer, the entire area of transformed CD is used by reading a data after recognizing a start cord and by stopping the reading of data after recognizing an end cord without installing a reading driver of CD in 3-1. When the driver for reading the transformed CD is not installed, the entire area of transformed CD is read whenever and wherever by reading the data after recognizing the start cord and by stopping the reading of data after recognizing the end cord after installing the driver for reading the transformed CD contained in 3-1.
Patent KR-20000036858-A (KR)
Inventor: KIM YUN CHAN
Filed: 2000-03-30
Abstract: PURPOSE: A system and a method for collecting cyber-money is provided to exchange various cyber-money issued by affiliated corporations for common cyber-money, to accumulate the exchanged cyber-money for a certain period in such a manner, to consume the accumulated cyber-money of the respective affiliated corporation, and to request a price according to the consumption. CONSTITUTION: A method for collecting cyber-money includes a cyber-money exchange step of exchanging cyber-money issued by a plurality of affiliated corporations for common cyber-money according to exchange ratios, an affiliated corporation's cyber-money accumulating step (step 6) of accumulating a total amount of the exchanged cyber-money of the respective affiliated corporation for a certain period, and a cyber-money feedback step (step 7-1) of returning the accumulated cyber-money of the respective affiliated corporation to the respective affiliated corporation which issues the corresponding cyber-money.
Patent KR-20010006972-A (KR)
Inventor: CHUNG DONG BAIK
IPC: C12P13/04
Filed: 2000-04-08
Abstract: PURPOSE: A method for producing the extract of pine tree containing essential amino acids massively is provided, thereby the extract of pine tree, which is useful for functional foods or beverage, can be simply obtained without losing essential amino acids during extraction processes. CONSTITUTION: The method for producing the extract of pine tree comprises the steps of: collecting pine trunks, pine needles and a mixture thereof from Pinus densiflora S et Z which is usually younger than 3 year old one; compressing the pine trunks, needles, and the mixture thereof under high pressure using a press to produce tree fluid and fibers; and distilling the tree fluid by heating at 97 to 100 deg.C to produce the extract of pine tree in a yield of 21.17%. The extract of pine tree contains 18 amino acids consisting of essential amino acids such as arginine, isoleucine, tryptophane, threonine, valine, histidine, phenylalanine, methionine, lysine, and leucine, and non-essential amino acids such as aspartic acid, serine, glutamic acid, glycine, arginine, proline, cysteine, and tyrosine.
Patent KR-20010096066-A (KR)
Title: Oral composition containing bacteriocin
Inventor: HA JAE HWAN
IPC: A61K8/99
Filed: 2000-04-17
Abstract: PURPOSE: Provided is an oral composition prepared by using natural antibiotics material, bacteriocin, as a main ingredient, thereby preventing and treating periodontitis effectively, and reducing inflammation on the gum. CONSTITUTION: The composition comprises 0.01-1.0 wt.% of bacteriocin, 0.1-20 wt.% of flavonoid substance, 10-30 wt.% of abrasive, 20-60 wt.% of water, 1-10 wt.% of wetting agent, 2-10 wt.% of binding agent, 5-10 wt.% of preservative, 0.1-5 wt.% of fragrance and flavor material, and 2-10 wt.% of surfactant. Wherein, the abrasive is selected from the group consisting of precipitated silica, potassium diphosphate and sodium carbonate; the wetting agent is selected from the group consisting of propylene glycol, glycerine, sorbitol, polyethylene glycol, polypropylene glycol, mannitol, xylitol, and their combination; the binding agent is selected from the group consisting of precipitated silica, xanthan gum and carboxy methyl cellulose.
Patent KR-20010097760-A (KR)
Inventor: CHUNG LAN
IPC: E04C3/34
Filed: 2000-04-26
Abstract: 본 발명은, 포스트 텐션(post tension)에 의하여 수평방향의 프리스트레스를 가하여 수평방향의 내력을 보강한 포스트 텐션 보강방식의 코오벨 구조물에 관한 것이다. 
     본 발명에 따르면, 인장철근 대신에 강연선 또는 강재 볼트와 같은 프리스트레스 부재를 이용하여 코오벨 구조물에 미리 프리스트레스 압축력을 도입하여, 크리프 등에 의하여 코오벨 구조물에 가해질 수평외력을 미리 도입된 프리스트레스 압축력으로 상쇄시키므로써 코오벨 구조물의 수평내력을 향상시킬 수 있는 새로운 구조의 포스트 텐션 보강방식 코오벨 구조물과 그 시공방법이 제공된다.
Patent KR-20000077393-A (KR)
Title: 저항체 및 그 저항체를 사용한 가변저항기
IPC: H01C10/30
Filed: 2000-05-24
Abstract: 카본파이버의 입도 분포는 대략 정규분포의 형상이며 입도 l 내지 20㎛의 범위에 카본파이버 전체의 80체적% 이상이 함유되어 있기 때문에, 내마모성을 위한 구조재가 되는 카본파이버의 섬유길이방향의 높은 도전성은 마이크로 리니어리티 (micro linearity)의 특성에 영향을 미치지 않는다.
Patent KR-20010108810-A (KR)
Inventor: CHAE JUNG HAN
Filed: 2000-05-31
Abstract: 본 발명은 상품모델 식별코드를 이용한 전자 상거래 시스템 및 방법에 관한 것으로, 네트워크를 통하여 구매자의 구매 시스템과 판매자의 판매 시스템 사이에서 상거래가 이루어지도록 한다. 
     이를 위해, 본 발명의 상품모델 식별코드를 이용한 전자 상거래 시스템 및 방법은 구매 시스템에게 상품모델 식별코드(각 상품 제조사 즉, 브랜드 제조사에서 자체 생산한 상품들을 관리하기 위한 상품에 부여한 코드이다.)를 요구하여 수신하고, 다수의 판매 시스템으로부터 제공받아 데이터베이스로 관리하는 상품모델 식별코드별 상품 정보중에서 상기 구매 시스템으로부터 수신된 상품모델 식별코드에 부합하는 상품의 재고 현황을 판단하여 구매 시스템에게 상품 구매 가능 여부와, 상품 구매가 가능할 경우 상품 정보를 제공받고, 상품 구매가 가능하도록 한다. 
     본 발명의 실시예에 따르면, 본 발명은 이동통신 단말기를 이용하는 구매자에게도 전자상거래를 통해 상품 구매가 가능하도록 하는 효과가 있다. 또한, 본 발명은 구매자가 언제 어디에서든지 구매하고자 하는 상품의 구매 가능 여부를 실시간으로 확인할 수 있으며, 또한 즉시 상품 구매가 가능하도록 하는 효과가 있다.
Patent KR-20000058478-A (KR)
Inventor: JUNG DO YEON
IPC: D01F1/04
Filed: 2000-06-01
Abstract: PURPOSE: Provided is a process for producing a long persistence luminous grey yarn of high brightness, which has improved time of luminosity and color of luminosity. Thereby, it is possible to produce a long persistence luminous grey yarn of high brightness which has long time of luminosity and various color of luminosity. CONSTITUTION: The long persistence luminous grey yarn of high brightness is obtained by a process containing the steps of: mixing a photo storage luminous raw material of 3-55wt.% and a synthetic resin of 45-97wt.% having chemical fiber ability; extruding the mixture to produce a luminous chip by using an extrusion system; and then coating-extruding the synthetic resin and the luminous chip by using a complex spinning system. The photo storage luminous raw material represents MAl2O4, wherein M is selected from the group consisting of Ca, Sr, Ba. The synthetic resin uses a synthetic fiber, a regenerated fiber, a semi synthetic fiber and an inorganic fiber. The produced long persistence luminous grey yarn of high brightness has a volume ratio of a part containing the photo storage luminous raw material to the other part being 1/1-1/4.