baber/WOPTO huggingface dataset:
Patent KR-20070061191-A (KR)
Title: Vertical cavity surface emitting laser having monitoring photodiode and method of fabrication the same
Inventor: PARK MI RAN
IPC: H01S5/183
Filed: 2006-06-30
Abstract: A VCSEL(Vertical Cavity Surface Emitting Laser) having an optical detector and a fabricating method thereof are provided to simplify a fabricating process through a general VCSEL fabricating process without separately integrating the VCSEL and the optical detector. A vertical cavity surface emitting laser having an optical detector includes a substrate, a first mirror layer(12), a second electrode layer(14), an active layer, a tunnel joining layer, a second electrode layer, and an optical detector. The substrate includes a first area and a second area separated from each other by a predetermined distance. The first mirror layer(12), the second electrode layer(14), the active layer, the tunnel joining layer, and the second electrode layer are sequentially stacked on the substrate of the first area. The optical detector is arranged at some area of the second electrode layer(14) of the first area. The VCSEL has layers having the same shapes with the first mirror layer(12), the second electrode layer(14), the active layer, the tunnel joining layer, and the second electrode layer of the first area. The predetermined distance is set so as to detect light emitted from the laser in the optical detector.
Patent KR-20080002108-A (KR)
Title: Drawer type microwave range
Inventor: CHANG WON SUK
IPC: F24C7/02
Filed: 2006-06-30
Abstract: A drawer type microwave oven is provided to protect a user from injury when cooked foodstuff is drawn from the oven by exposing a container outwardly from a cavity. A drawer type microwave oven includes an outer case(31), an inner case(35), a drawer plate(41), a tray(51), a motor, and an operating unit. The outer case forms an outer appearance of the oven. The inner case is arranged in the outer case so as to form a cavity(32), and has a bottom surface with a through hole(36). The drawer plate is introduced into the cavity, and has a hole(42). The tray is mounted on the drawer plate, and has a bottom surface with teeth(52) formed in a circumferential direction. A container is set on the tray. The motor is interposed between the inner case and the outer case. The operating unit is connected to the motor, and projected into the through hole of the inner case and the hole of the drawer plate and engaged with the teeth of the tray so as to rotate the tray.
Patent KR-20080003499-A (KR)
Title: Optical pick-up
Inventor: JUNG CHUNG IN
IPC: G11B7/1374
Filed: 2006-07-03
Abstract: A compatible optical pick-up is provided to compensate for spherical aberration between objective lens and a beam splitter by employing a liquid crystal display. A compatible optical pick-up comprises a light source, an objective lens, a beam splitter, a diffraction grating, a mirror, a sensor lens, a detecting unit, a first optical system, and a second optical system. The objective lens focuses the beam from the light source on a recording layer of an optical disk. The beam splitter lets the beam pass through, or reflect the beam emitted from the light source, or the beam reflected from the recording layer of the optical disk. The mirror and the diffraction grating diffract or pass a diffraction beam reflected from the recording layer of the optical disk. The sensor lens forms a flying spot in the beam reflected from the optical disk. The detecting unit collects beams focused by the sensor lens and detects an information signal and/or an error signal. The first optical system writes and reproduces data on a low density optical disk and the second optical system writes and reproduces data on a high density optical disk. An objective lens of the first optical system and an objective lens of the second objective lens are aligned on one actuator in a track direction of the optical disk. The objective lens of the first optical lens is positioned on the central axis of the optical disk. The objective lens of the second optical system is off-centered with respect to the optical disk. The first optical system includes a mirror which makes a propagation path of the beam radial to the optical disk. The second optical system includes a mirror which makes a propagation path of the beam tangential to the optical disk, and a liquid crystal display for generating phase difference to compensate for spherical aberration between the objective lens and the beam splitter.
Patent KR-20070099388-A (KR)
Title: Heat-dissipating accessory plate for high speed drilling
Inventor: HSIAO MING CHENG
IPC: B23B47/00
Filed: 2006-07-10
Abstract: A heat-dissipating accessory plate for high speed drilling is provided to grind and lubricate a drill bit during drilling, and prevent an inner wall of a hole from being roughened. A heat-dissipating accessory plate for high speed drilling includes a scratch-resistant lubricating coated composite material(11) of solid state, consisting of nano-structure powder and a highly heat-conducting compound, a support material(13) for bonding and supporting the composite material, and a lubricating layer(12) provided on a surface of the composite material. The heat-dissipating accessory plate has a drill bit which is ground and lubricated when generated heat is dissipated during drilling process performed on a printed circuit board.
Patent KR-20080008901-A (KR)
Title: The wheel where the fringe land is possible
Inventor: KO UN SAN
IPC: B60B21/10
Filed: 2006-07-21
Abstract: A tread changeable wheel is provided to enlarge distance of treads through left and right movement of an inner rim and to improve cornering of the vehicle by moving a horizontal part of the inner rim to left and right directions. A tread changeable wheel(10) comprises an outer rim(20), an inner rim(30), a mounting part(22), and a horizontal part(32). The outer rim is placed at the outside of the tire. The inner rim is placed in the tire. The mounting part is formed at the outer rim and has an upper part whose some part is cut. The horizontal part is mounted in the mounting space and moves to left and right sides. Bushes are placed at the right and left rear ends of the mounting space. Further, a bush is installed at a light and a left portion of the mounting part.
Patent KR-20080012673-A (KR)
Title: Back light unit
Inventor: AN SU YOUNG
IPC: G02F1/13357
Filed: 2006-08-04
Abstract: A backlight unit is provided to enable a ground electrode of a lamp to be directly contacted with a cover bottom which is made from metal material and coupled with a ground pattern of an inverter board through a ground fixing screw. A flat cover bottom(41) is made from conductive material, and plural lamps(43) are arranged on the cover bottom in parallel. Lamp holders(32) make pairs of at least two lamps to be fixed. Lamp ground plates(50) are respectively coupled with the lamp holders and ground the lamps, connected to the lamp holder, to the cover bottom. An inverter board is attached to the rear of the cover bottom. In the inverter board, a ground pattern and an inverter for supplying power to the lamps are formed. A ground fixing screw couples the inverter board with the cover bottom through a hole, formed by passing through the ground pattern, so that the ground pattern and the cover bottom can be electrically connected.
Patent KR-20080013159-A (KR)
Title: Image sensor and method of forming the same
Inventor: LEE JONG JIN
IPC: H01L27/146
Filed: 2006-08-07
Abstract: An image sensor and a method for fabricating the same are provided to improve a condensing efficiency by using an inner lens having a high refractive index. A photodiode region(108) is formed on a semiconductor substrate(100). A lower dielectric(112) covers the photodiode region and is made of an oxide. An upper dielectric(117) is arranged on the lower dielectric. A filling resin layer(122) fills a cavity(120). The cavity passes through the upper dielectric to expose the lower dielectric on the photodiode region. The filling resin layer has a refractive index greater than that of the lower dielectric. An inner lens(124b) is arranged on the filling resin layer and covers the photodiode region. The inner lens is made of a resin having a refractive index greater than that of the filling resin layer. A surface resin layer(126) conformally covers a surface of the inner lens. The surface resin layer has a refractive index greater than that of the filling resin layer.
Patent KR-20080014385-A (KR)
Title: Auto-adjusting apparatus of laser beam and auto-adjusting method thereof
Inventor: KIM OH SUNG
IPC: H01S3/02
Filed: 2006-08-11
Abstract: An auto-adjusting apparatus of a laser beam and an auto-adjusting method thereof are provided to automatically adjust a position of the laser beam by feeding back the laser beam which is measured at a photodiode, to a controller. A laser beam delivery device delivers a laser from a laser beam generator to a laser beam using device. The laser beam delivery device includes a fixed mirror(44), a driving mirror(42), a photodiode(46), and a driving mirror controller(48). The driving mirror is driven in horizontal and vertical directions. One end of the driving mirror is fixed. Left and right actuators are implemented at horizontal edges from the fixed edge. Upper and lower actuators are implemented at vertical edges from the fixed edge of the driving mirror.
Patent KR-20080016012-A (KR)
Title: Display device
Inventor: JUNG KWANG CHUL
IPC: H05B33/26
Filed: 2006-08-17
Abstract: A display device is provided to increase an area for forming a pixel electrode by abridging a bridge electrode formed on the same layer as the pixel electrode at the same time. A display device(100) comprises a gate line(GL), a first insulating film, a power line(VL), a second insulating film, a data line(DL), a switching element(TFT1), and a driving element(TFT2). The gate line is extended on a substrate in a first direction(X) and formed in a first metal pattern. The first insulating film is formed on a front surface of the substrate formed the gate line thereon. The power line is extended in a second direction(Y) crossing the first direction on the first insulating film and formed in a second metal pattern. The second insulating film is formed on the first insulating film. The data line is formed on the second insulating film, extended in the second direction to be spaced apart from the power line, and formed in a third metal pattern. The switching element includes a first gate electrode(G1) connected to the gate line, a first source electrode(S1) connected to the data line, and a first drain electrode(D1) formed in the third metal pattern. The driving element includes a second gate electrode(G2) formed in the first metal pattern, a second source electrode(S2) connected to the power line, and a second drain electrode(D2) formed in the second metal pattern.
Patent KR-20080016138-A (KR)
Title: Method of manufacturing catalyst for synthesis of carbon nanofiber and apparatus for manufacturing the same
Inventor: JEONG JOON HEE
IPC: B82B3/00
Filed: 2006-08-17
Abstract: A method for preparing carbon nanofibers is provided to mass-produce finely powdered carbon nanofiber particles effectively, and improve a process efficiency. A method for preparing carbon nanofibers includes the steps of: dispersing a catalyst precursor and a carrier precursor in a carbonaceous compound solvent to prepare a reaction solution; spraying the reaction solution; pyrolizing the sprayed reaction solution to form carbon nanofiber particles; and collecting the carbon nanofiber particles. An apparatus for preparing carbon nanofibers includes: a solution production unit(110) which mixes the catalyst precursor, carrier precursor, and carbonaceous compound solvent to produce the reaction solution; a spray unit(120) which is supplied with the reaction solution from the solution production unit and sprays the reaction solution; a pyrolysis unit(130) which is provided with the sprayed reaction solution from the spray unit, and pyrolyzes the sprayed reaction solution to produce powdered carbon nanofiber particles; and a collector(140) which collects the powdered carbon nanofiber particles. Further, the spray unit is a nozzle spray unit or an ultrasonic wave spray unit.
Patent KR-20080017860-A (KR)
Title: Apparatus and method for detecting load amount of washer
Inventor: KOO BONK WON
IPC: D06F33/02
Filed: 2006-08-22
Abstract: A device and a method for sensing load of a washing machine is provided to measure load of the washing machine accurately by controlling a motor using a dynamic brake and an excess brake at the same time, thereby capable of reducing vibration and noise of the washing machine. A method for sensing load of a washing machine comprises the steps: accelerating or uniformly driving a motor by using an inverter(S31); performing a dynamic brake by short-circuiting three terminals of the motor while uniformly driving the motor(S33); performing an excess brake by opening the three terminal of the motor after predetermined times(S37); and sensing load of the washing machine by analyzing the results of the dynamic brake or the excess brake(S38).
Patent KR-20080019100-A (KR)
Title: Concrete roadway border block and sidewalk border block with cover
Inventor: KIM HAE YOUNG
IPC: E01C11/22
Filed: 2006-08-23
Abstract: A concrete roadway border block and a sidewalk border block with covers are provided to obtain driving safety and to beautify the external appearance of the road by forming corrosion preventing cover bodies attached to border blocks with various colors. A concrete roadway border block(10) comprises corrosion preventing cover bodies(20), a plurality of buried projections(24), circular ribs(25), and corrugated parts(22a,23a). The corrosion preventing cover bodies are assembled with upper, front, and rear covers(21,22,23). The buried projections are projected to the inner sides of the covers. The corrugated parts are formed at the lower part of the front cover and the rear cover. The cover bodies are made of metal with various colors. The cover bodies are made of aluminum. A concrete roadway border block(30) includes corrosion preventing cover bodies(40) assembled with upper, front, and rear covers(41,42,43), a plurality of buried projections(44), circular ribs(45), and corrugated parts(42a,43a).
Patent KR-20080020102-A (KR)
Title: Opening/shutting apparatus for slide door of reefer
Inventor: PARK BONG KI
IPC: B65D90/54
Filed: 2006-08-30
Abstract: An apparatus for opening/shutting a slide door of a reefer is provided to improve appearance, and to simplify a structure, and to protect components by preventing the door and each component from being exposed to the outside. An apparatus for opening/shutting a slide door of a reefer(2) comprises: a horizontal guide groove(18) formed on the front surface of a container body(4) near the door(8), a slide(16) provided on a slide rail(14) in the horizontal guide groove so as to be axially coupled to a swing plate(10), and a vertical rotation shaft rod inserted into a support pipe(20) provided in the door. The front end of the swing plate is axially connected to the vertical rotation shaft rod. When the door is shut down, the slide is bumped against a stopper of one end of the slide rail to cause the swing plate to swing in a direction for shutting the door. By swing of the swing plate, an exposed part of the support pipe is inserted into an insertion grooves(30) formed in upper and lower frames(12a,12b) of a door frame(12).
Patent KR-20080021904-A (KR)
Title: Stabilizer bar mounting structure
Inventor: OHN JUNG HO
IPC: B60G21/05
Filed: 2006-09-05
Abstract: A structure of mounting a stabilizer bar is provided to reduce operation noise by mounting a stabilizer bar on a vehicle frame by means of mounting brackets and by enabling the stabilizer bar to control rolling of a vehicle. A structure of mounting a stabilizer bar(1) comprises a first mounting bracket(2) whose one end is fitted to the stabilizer bar in a lower portion and the other end is bent and engaged with a vehicle frame(4) and a second mounting bracket(3) whose one end is fitted to the stabilizer bar in an upper portion and the other end is bent and engaged with the vehicle frame.
Patent KR-20080024786-A (KR)
Title: Semiconductor memory apparatus and method for testing the same
Inventor: LEE JOONG HO
IPC: G11C29/22
Filed: 2006-09-15
Abstract: A semiconductor memory apparatus and a method for testing the same are provided to reduce test time of the semiconductor memory apparatus, by performing the test using two input/output lines to perform read operation and write operation together during test. A semiconductor memory apparatus includes a first bank group(Group 0), a second bank group(Group 1), a first dedicated input/output line(Test-GIO line-1), a second dedicated input/output line(Test-GIO line-2), and a multiplexer part(mux-1,mux-2). The first dedicated input/output line reads or writes only in the first bank group. The second dedicated input/output line reads or writes only in the second bank group. The multiplexer part selects the first dedicated input/output line and the second dedicated input/output line. The multiplexer part performs write operation in the second dedicated input/output line together when the multiplexer part performs read operation in the first dedicated input/output line.
Patent KR-20080027037-A (KR)
Title: Apparatus and method for transmitting/receiving right object of contents between devices, and the system thereof
Inventor: LEE BYUNG RAE
IPC: G06F21/10
Filed: 2006-09-22
Abstract: A method, an apparatus and a system for transmitting or receiving information on rights of contents among devices are provided to allow users to regenerate contents via plural devices by using the information on rights of the contents which can be exchanged between devices. A system for transmitting or receiving information on rights of contents among devices comprises the first device(10), an RI(Rights Issuer,30) and the second device(20). The first device(10) transmits information on rights of contents to the RI(30). The RI(30) transmits a message, for asking whether to receive the information on the rights, to the second device(20) if receiving the information on the rights, and transmits the information on the rights to the second device(20) if receiving an allowance message from the second device(20). The second device(20) transmits a response message, for expressing whether to allow the information on the rights to be received, to the RI(30) if receiving the message for asking whether to receive the information on the rights, and receives the rights from the RI(30) if transmitting the allowance message to the RI(30).
Patent KR-20080030291-A (KR)
Title: Detoxification methods of pahs by microwave and oxidant and/or reductant
Inventor: KIM BYOUNG EOG
IPC: B09C1/08
Filed: 2006-09-29
Abstract: A method is provided to purify the contaminated soil or water within a short time without less affecting the environment by adding an oxidizer and/or a reductant to contaminated soil or water containing PAHs(Poly Aromatic Hydrocarbons) and irradiating electromagnetic waves onto the mixture. A method for purifying a material contaminated with PAHs(Poly Aromatic Hydrocarbons) comprises the steps of: adding an oxidizer, a reductant, or a mixture thereof to a material containing PAHs(Poly Aromatic Hydrocarbons); and irradiating electromagnetic waves onto the mixture to decompose the PAHs(Poly Aromatic Hydrocarbons). The oxidizer is hydrogen peroxide or superphosphate. The reductant is at least one of an ion-based reductant of FeCl2 or Fe metal, NaH2PO4, or Na2S. The electromagnetic waves are irradiated onto the material after sealing a material to which the oxidizer or the reductant is added, and which contains the PAHs(Poly Aromatic Hydrocarbons). The electromagnetic waves have a frequency of 2000 to 3000 MHz. The material containing PAHs(Poly Aromatic Hydrocarbons) is soil or water.
Patent KR-20080030399-A (KR)
Title: Water purifier and method for refort an exchang time of filter thereof
Inventor: KO YOUNG HO
IPC: B01D35/143
Filed: 2006-09-30
Abstract: A water purifier is provided to enable a user to recognize easily the exchange time of a water purification filter and the state of a pipe, and a method for notifying the exchange time of a water purification filter of the water purifier is provided. A water purifier includes: a purified water quantity detecting part(10) for sensing a flow amount passing through a water purification filter; a flow rate sensing part(24) for sensing a flow rate of the flow amount; a control part(30) for comparing the detected purified water quantity with a preset reference value to determine the exchange time of the water purification filter, and judging the state of a pipe by the sensed flow rate; and a display part(40) for displaying the states of the water purification filter and the pipe according to a control operation of the control part. The water purifier additionally includes a sensor(60) for sensing the proximity of a user during driving of the water purifier. The display includes at least two light-emitting diodes, and a switching device switched on or off to supply or cut off a power source applied to the light-emitting diodes according to the control operation of the control part.
Patent KR-20070045129-A (KR)
Inventor: ENDO TSUNENOBU
IPC: B41J2/01
Filed: 2006-10-26
Abstract: 피기록물상을 왕복 이동하면서 상기 노즐 플레이트의 개구로부터 상기 피기록물로 향하여 액체를 분사하는 액체 분사 헤드와 상기 액체가 분사되는 방향에서 상기 노즐 플레이트에 대향한 위치에 있어서 상기 피기록물을 이면으로부터 지지하여 위치 결정하는 플래튼(platen)을 구비한 액체 분사 장치를 제공한다. 상기 액체 분사 장치는 추가로, 상기 액체 분사 헤드와 플래튼과의 사이에서 플래튼측상에 공급되는 제1 전극과, 상기 액체 분사 헤드와 플래튼과의 사이에서 액체 분사 헤드측상에 공급되는 제2 전극과, 일단이 상기 제1 전극에 접속되며 타단이 상기 제2 전극에 접속되고, 상기 제2 전극과 제1 전극과의 사이에서 전위차를 발생시키는 전위차 발생 수단을 구비한다.
Patent KR-20080038703-A (KR)
Title: Liquid crystal display device having colestric liquid crystal film
Inventor: JUNG MI JUN
IPC: G02F1/13363
Filed: 2006-10-30
Abstract: An LCD device having a CLC film is provided to form a lower polarizing plate comprised of a C-plate, a phase difference film, a polarizing plate, and a DBEF(Dual Brightness Enhancement Film) film into a piece of CLC film, thereby polarizing light from a light source to original polarized light directly. An LCD(Liquid Crystal Display) device comprises an LCD panel(111), a CLC(Cholesteric Liquid Crystal) film(120), a phase difference film(141) and a polarizing sheet(130). The liquid crystal film has a first surface and a second surface corresponding to the first surface. The CLC film is formed on the first surface of the LCD panel, and the phase difference film and the polarizing sheet are formed on the second surface of the LCD panel. The phase difference film is at least one of a half-wavelength phase difference film and a quarter-wavelength phase difference film.
Patent KR-20080039090-A (KR)
Title: Secondary battery
Inventor: LEE JANG HO
IPC: H01M2/02
Filed: 2006-10-31
Abstract: A secondary battery is provided to improve a reaction rate of a positive temperature coefficient by placing the positive temperature coefficient within an electrode terminal, thereby increasing stability. A secondary battery includes an electrode assembly, a can for accommodating the electrode assembly, and a cap assembly which combines with an opened top of the can and is electrically connected with two respective electrodes of the electrode assembly. The cap assembly(100) comprises a conductive cap plate(110) to be united to the top of the can, a conductive electrode terminal(130) installed through a terminal hole formed on the cap plate, and a gasket(120) which is placed on the outside of the electrode terminal and insulates the cap plate from the electrode terminal. A reversible positive temperature coefficient(136) capable of sending or breaking an electric current according to temperature is contained in the electrode terminal.