baber/WOPTO huggingface dataset:
Patent KR-20090005843-A (KR)
Title: Imaging apparatus and method for improving sensitivity thereof
Inventor: KIM IL DO
IPC: H04N5/243
Filed: 2007-07-10
Abstract: A photographing apparatus and a sensitivity improving method thereof are provided to increases power of an output video signal while preserving resolution, thereby extending a dynamic range of a low light level video signal. A pixel binning part(120) performs pixel binning of input video data in a predetermined pixel size. On the basis of a luminance value of the input video data or input video data, a gain decision unit(130) determines a pixel binning gain. On the basis of the pixel-begun input video data and the pixel binning gain, a calculation unit(140) calculates output image data.
Patent KR-20090011207-A (KR)
Title: Method of programming for 3bit multi level cell memory device
Inventor: YANG CHANG WON
IPC: G11C16/34
Filed: 2007-07-25
Abstract: A programming method of a 3-bit multi-level cell memory device is provided to minimize errors and to perform a programming operation by defining a 3-bit code value according to a gray code while data are programmed in a multi-level cell memory device for storing 3-bit data. A programming method of a 3-bit multi-level cell memory device includes a programming process for moving cells from a first state to a second to eighth states of cell threshold voltages(201-208) according to a program pulse. The programming method further includes a process for composing a program by setting a different value in only one bit of adjacent cells and 3-bit data.
Patent KR-20090011452-A (KR)
Title: Nand-type resistive memory cell strings of a non-volatile memory device and methods of fabricating the same
Inventor: KOH GWAN HYEOB
IPC: H01L21/8247
Filed: 2007-07-26
Abstract: NAND-type resistive memory cell strings of a non-volatile memory device and methods of fabricating the same are provided to improve the degree of integration of the non-volatile memory device by forming the resistive memory cells including the variable resistibility material. The first NAND type resistive memory cell string(STR1) comprises the bit line(BL), a plurality of resistive memory cell(CL1,CL2,CL3) which is serially connected to the bit line and the main switching element(SW0). The first phase-shift memory cell(CL1) among a plurality of resistive memory cells comprises the first heater(H1), the first variable resistance(R1) and the first switching device(SW1). The second phase-shift memory cell has the same configuration as the first phase-shift memory cell.
Patent KR-20090011458-A (KR)
Title: The composition containing kobophenol a, having prevention and treatment effects for neuronal diseases
Inventor: KWAK JONG HWAN
IPC: A61P25/28
Filed: 2007-07-26
Abstract: A composition of preventing and treating cranial nervous disease comprising kobophenol A as active ingredient is provided to prevent and treat the cranial nervous disease by disease caused by neural apoptosis of parkinsonism, alzheimer disease, amyotrophic lateral sclerosis or virus infection by neural cell killing effect of the kobophenol A. A composition of preventing and treating cranial nervous disease by anaplasia or virus infection comprises kobophenol A as active ingredient. The neurodegenerative disease is Alzheimer disease, parkinsonism or amyotrophic lateral sclerosis. The cranial nervous disease by the virus infection is generation of heat, oscillation, bleeding, jaundice, arthralgia, myalgia, encephalitis, meningitis.
Patent KR-20090011502-A (KR)
Title: Portable terminal and method for controlling the same
Inventor: LEE SEONG CHEOL
IPC: H04B1/40
Filed: 2007-07-26
Abstract: A portable terminal and a control method thereof are provided to enable a terminal user to input various instructions easily by using two or more directional input units. If a terminal user presses the right key of the first navigation key at once(S41), a controller moves a cursor to the right side with one space(S44). If the user pushes a virtual navigation key activation key, the controller displays the second navigation key on a touch screen(S42). If the user presses the second navigation key(S43), the controller moves the cursor in proportion to the pressed time.
Patent KR-20090012824-A (KR)
Title: Apparatus for fabricationg optical sheet, method for fabricating optical sheet, and optical sheet fabricated using the same
Inventor: CHOI SEUNG KYU
IPC: B29D7/01
Filed: 2007-07-31
Abstract: An apparatus and a method for manufacturing an optical sheet are provided to easily embody a target pattern without deteriorating properties of the optical sheet, and the optical sheet manufactured by the same is provided. An apparatus for manufacturing an optical sheet comprises: a master roll; a mold film which includes patterns, and which is rotated in a state that a back side of the patterns is brought into contact with at least a portion of the master roll; one or more coating rolls(1130) supplying a polymer resin to the patterns of the mold film; one or more squeezing rolls(1160) pressing the polymer resin on pattern surfaces of the mold film into the patterns of the mold film to fill the polymer resin in the patterns of the mold film; a tension control roll(1170) controlling tension of the mold film to uniformly control the mold film as a whole; a laminating roll(1180) laminating the mold film and a transparent substrate on which the patterns of the polymer resin are to be formed on the master roll; a hardening unit(1210) hardening the patterns of the polymer resin; and separation rolls(1220) separating the transparent substrate on which the patterns of the polymer resin are formed from the mold film.
Patent KR-20090014823-A (KR)
Title: Flash memory device remapping bad blocks and bad bolck remapping method thereof
Inventor: KIM MIN SU
IPC: G11C29/00
Filed: 2007-08-07
Abstract: A flash memory device for remapping bad blocks and a bad block remapping method thereof are provided to reduce a chip area and to enhance utility of memory blocks by composing identically row decoder circuits of the memory blocks. A flash memory device for remapping bad blocks includes an address storage block(130) and an encoder. The address storage block detects whether a block address(BLK_Add) provided from the outside is identical with a pre-stored block address or not. The address storage block generates a repair signal(/REDn) according to the detected result. The encoder converts the repair signal to a block selection signal for selecting a normal memory block.
Patent KR-20090017889-A (KR)
Title: Production device of carbon nano-tube using fluidized bed of dispersing catalysts
Inventor: JEON JONG KWAN
IPC: B82B3/00
Filed: 2007-08-16
Abstract: An apparatus of synthesizing carbon nanotube is provided to prevent catalyst of a powdered form from being piled on a floor of a reaction chamber and to synthesize the carbon nanotube efficiently by blowing off the catalyst of a powdered form in the reaction chamber. An apparatus of synthesizing carbon nanotube comprises a reacting gas providing unit(100) supplying the reaction gas, a reaction chamber(200) reacting the reaction gas and catalyst and synthesizing the carbon nanotube, a jet tray(300) having a plurality of holes through which the reaction gas passes in the reaction chamber and a rotating unit(400) rotating the jet tray and dispersing the catalyst remaining behind on the jet tray. Magnet is installed around outer surface of the jet tray. The rotating unit rotates the jet tray with a magnetic force given outside the reaction chamber.
Patent KR-20080018144-A (KR)
Title: Packet filltering apparatus and method in network system using mobile ip network
Inventor: SUH KYUNG JOO
IPC: H04L12/28
Filed: 2007-08-22
Abstract: An apparatus and a method for filtering packets in a network system using a mobile IP are provided to prevent a CoTI message or an HoTI message as one of plural authentication messages from being dropped by a packet filter rule in a packet filtering device before being transmitted from a mobile node to a correspondent node. A mobile node(370) transmits a packet including mobile IP(Internet Protocol) information capable of passing through a packet filter rule. A packet filtering device(320) determines whether an address included in the information is consistent with a source address stored in the packet filter rule and determines whether to pass the packet according to the determination result. The information capable of passing the packet filter rule is a home address of the mobile node.
Patent KR-20090021511-A (KR)
Title: Expansion joint of using the divering wheel of rubber wheel agt
Inventor: PARK CHOON BOK
IPC: E01B11/02
Filed: 2007-08-27
Abstract: A guide wheel expansion joint device for the rubber wheel type LRT is provided that the continuity of orbit is secured and the drivability and safety are secured in the stepped part. A guide wheel expansion joint device for the rubber wheel type LRT comprises a fixed guide plate(10) consisting of beam having the flange(12) and web(14), a fixed guide plate support stand supporting plate(30) including a wide end portion(32) and a narrow end part(34), a chemical anchor bolt(40) fixed through the top of the fixed guide plate support stand supporting plate.
Patent KR-20090021933-A (KR)
Inventor: YOON HO SANG
IPC: H01L33/00
Filed: 2007-08-29
Abstract: 본 발명의 실시 예는 따른 반도체 발광소자 및 그 제조방법에 관한 것이다. 
     본 발명의 실시 예에 따른 반도체 발광소자는 제 1도전성 반도체층; 상기 제 1도전성 반도체층 위에 형성된 활성층; 상기 활성층 위에 형성된 제 2도전성 반도체층; 상기 제 2도전성 반도체층 위에 형성된 언도프드 반도체층; 상기 언도프드 반도체층 위에 형성된 초격자층; 상기 초격자층 위에 형성된 제 3도전성 반도체층을 포함한다. 
       
     LED, ESD, 전위
Patent KR-20090024390-A (KR)
Title: Nanocomposite composition with flame retardancy and antistatic properties and preparation method thereof
Inventor: JUNG KI CHANG
IPC: B82B3/00
Filed: 2007-09-04
Abstract: A nanocomposite compositions with flame retardant and antistatic properties is provided to prevent deterioration of mechanical strength while maintaining a high flame retardant property by using an environment-friendly inorganic flame retardant. A nanocomposite compositions with a flame retardant and antistatic property comprises a 40-50 wt% of olefin based waste plastic resin, 5-15 wt% of carbon powder, a 35-45 wt% of inorganic flame retardant, and 1-10 wt% of organic layered silicate having a layer structure with nano units. The method for manufacturing the nanocomposite compositions is composed of the following steps of: mixing the olefin based waste plastic resin, the carbon powder, the inorganic flame retardant, and the organic layered silicate; processing a pellet shaped mixture; and heat-compressing the mixture.
Patent KR-20090025100-A (KR)
Title: Drying machine of printed matter
Inventor: SEO HO KYOUNG
IPC: B41F23/04
Filed: 2007-09-05
Abstract: A printed matter dryer is provided to improve work environment as bad smell and poisonous gas generated from the ink coated a printed matter exhaust to outside with a deodorizing unit. A printed matter dryer comprises: a stand(10) which forms an exterior and a frame and in which a support is equipped in both ends; a dry unit(30) which is combined in the support of the stand and in which a dry part is equipped inside to dry the printed matter and in which an input part(31a) is formed in one end so that a printed matter is inserted and in which an ejecting part is formed in the other end so that the dried printed matter is ejected; and a deodorizing unit(40) in which one end is opened to face the printed matter through the dry unit and to suck inside air of the dry unit and in which the air is ejected through the other end.
Patent KR-20090027522-A (KR)
Title: Dissolution accelerator and photoresist composition including the same
Inventor: HAN DONG WOO
IPC: G03F7/004
Filed: 2007-09-12
Abstract: A dissolution accelerator is provided to increases the solubility of a polymer about developer, and to increase the solubility gap of an exposed part and non-exposure part by being unprotected with the little amount acid of acid. A dissolution accelerator has a structure of the c. In the chemical formula 1, R is C1-40 hydrocarbon group; A is an alkyl group of carbon number 1-10; p is 0 or 1; and q is an integer of 1-20. The photoresist composition comprises a photosensitive polymer 3-30 weight%, a dissolution accelerator represented by the dissolution accelerator1-30 parts by weight, photoacid generator 0.05-10 parts by weight, based on the photosensitive polymer 100.0 parts by weight, and the balance of organic solvent.
Patent KR-20090029889-A (KR)
Inventor: KANG SUNG HO
IPC: F28F1/08
Filed: 2007-09-19
Abstract: 본 발명은 이중관형 내부 열교환기의 제조방법에 관한 것으로써, 더욱 상세하게는 외부관을 나선형파이프로 형성한 후 원형파이프인 내부관(기존 냉매파이프)의 외부에 삽입/결합하여 이중관형 내부열교환기를 제조함으로써, 상기 외부관이 나선형파이프로 형성되므로 벤딩후 나선부의 손상 등의 불량 발생을 육안으로 확인 가능함과 아울러 나선형 외부관을 기존에 사용중인 내부관(기존 냉매파이프)에 바로 조립하여 사용함에 따라 제조시 생산성이 향상되고 차종별로 엔진룸 구조가 상이하더라도 원하는 부위에 간단히 외부관을 조립할 수 있기 때문에 내부열교환기의 적용이 용이함은 물론 공용화가 가능하며, 아울러 나선형으로 형성된 고압유로의 골 직경을 크게 할 수 있어서 벤딩시 고압유로의 단면적이 감소하더라도 최소 유량 면적을 확보할 수 있는 이중관형 내부 열교환기의 제조방법에 관한 것이다. 
     이에 본 발명은, 증발기(4)에서 배출된 저온 저압의 냉매와 응축기(2)에서 배출된 고온 고압의 냉매를 상호 열교환시키기 위해 상기 저온 저압의 냉매가 흐르는 내부관(110)에 고온 고압의 냉매가 흐르는 외부관(120)을 이중관 구조로 결합하는 이중관형 내부 열교환기의 제조방법에 있어서, 상기 외부관(120)의 양단부에 형성되는 원형 입,출구부(121)(122)의 사이를 나선형으로 가공하여 나선부(123)를 형성하는 외부관 가공단계(S1)와, 상기 외부관 가공단계(S1)를 거친 상기 외부관(120)의 입,출구부(121)(122) 끝단부를 축관하는 외부관 축관단계(S2)와, 상기 외부관 축관단계(S2)를 거친 상기 외부관(120)을 상기 내부관(110)의 외측으로 삽 입하는 외부관 삽입단계(S4)와, 상기 외부관 삽입단계(S4)를 거친 상기 외부관(120)의 양단부를 상기 내부관(110)에 접합하는 외부관 접합단계(S5)를 포함하여 이루어지는 것을 특징으로 한다. 
       
     내부 열교환기, 이중관, 원형파이프, 나선형파이프
Patent KR-20090031080-A (KR)
Title: System for treating oscillation from relay system in wireless telecommunication system and method thereof
Inventor: HWANG KYOUNG KI
IPC: H04B7/14
Filed: 2007-09-21
Abstract: An oscillation processing system in a repeater system used in a wireless communication system and an oscillation processing method thereof are provided to minimize a degrading phenomenon and distortion of a transmission signal due to oscillation in a wireless telecommunication system. A coupling unit extracts a signal outputted from a repeater system(801). A spectrum analysis unit converts a signal extracted from a coupling unit to frequency domain and analyzes a spectrum of a frequency domain(802). A spectrum detection and analysis method uses either a sweep method or the Fourier transform method. An oscillation detector performs the reverse Fourier transform in a signal analyzed in the spectrum analysis unit to convert the signal into time domain and produces an isolation by using amplitude of the signal in a time domain(803). A controller determines the oscillation state according to the produced isolation and controls a system gain according to isolation(804).
Patent KR-20090032897-A (KR)
Title: Photo mask, method for manufacturing the photo mask and method for manufacturing the semiconductor device using the same
Inventor: KIM SEOK KYUN
IPC: H01L21/027
Filed: 2007-09-28
Abstract: A photo mask, a method for manufacturing the photo mask and a method for manufacturing a semiconductor device using the same are provided to control the direction of the polarized light used as the light source of exposure by using the phase delay layer in which the thickness is different. A reflecting layer(310) and a phase delay layer(320) of multi-layered are formed on the top of a reflector plate(300). A buffer layer(330) and an absorbing layer(340) exposing the first region are formed on the top of the phase delay layer. A photosensitive pattern(350) exposing the second region is formed on upper region including the buffer layer and the absorbing layer. The second region having the phase delay layer thinner than the first region is formed by etching the buffer layer, the absorbing layer, and a part of the phase delay layer.
Patent KR-20090034045-A (KR)
Title: High coulomb efficiency and good cycliability negative electrode for lithium ion secondary battery, manufacturing method of electrode and lithium secondary battery
Inventor: DOH CHIL HOON
IPC: H01M4/133
Filed: 2007-10-02
Abstract: A negative electrode for a lithium ion secondary battery is provided to show high initial coulombic efficiency and high specific capacity property, and stable cycle characteristics, thereby improving the energy storage capacity and life span of a lithium secondary battery. A negative electrode for a lithium ion secondary battery comprises a carbon-coated non-carbonaceous compound-graphite composite negative electrode active material, binder and conductive material. The initial coulombic efficiency is 90% or greater. The non-carbonaceous compound is at least one selected from silicon oxide and tin oxide. The carbon-coated non-carbonaceous compound-graphite composite is obtained by mixing a carbon precursor and the non-carbonaceous compound-graphite composite and coating the non-carbonaceous compound-graphite composite with carbon. The carbon precursor is an alkylcarbonate compound or arylcarbonate compound.
Patent KR-20090035769-A (KR)
Title: 하이브리드 필터를 포함하는 전송기
Inventor: KOH DANIEL
IPC: H03H7/01
Filed: 2007-10-08
Abstract: 원하는 주파수대역만을 정확하게 선택하여야 하고, 삽입손실이 적으며, 스커트(skirt) 특성이 우수하고, Q값이 크며 군지연(group delay)이 작은 대역통과 필터를 구비하고, 대역통과 필터와 저대역 필터가 적절한 임피던스 매칭을 이루는 하이브리드 필터를 포함하는 전송기를 제공한다. 그 전송기는 저역통과 필터(LPF; Low Pass Filter)와 대역통과 필터(BPF; Band Pass Filter)를 모두 구비하는 하이브리드 필터를 포함하며, 대역통과 필터는 대역통과 필터는 유전체를 포함하는 공진기를 이용한 필터 및 표면탄성파를 이용하는 필터 중에서 선택된 어느 하나이거나 이들의 조합이다.  
       
     하이브리드 필터, 대역통과 필터, 저역통과 필터, 전송기
Patent KR-20090038067-A (KR)
Title: Ram extension assembly for heavy water reactor
Inventor: LEE JEONG YOON
IPC: G21C19/10
Filed: 2007-10-15
Abstract: A ram extension assembly for a heavy water reactor is provided to prevent a pressure pipe from being damaged due to foreign material by improving the shape of the connection part. A ram extension assembly includes a ram extended head(7) and a connection part(10). The flexibility of the connection part between the ram extension assemblies is increased by changing the shape of the connection part. The deflection of the pressure pipe is received in the ram extension assembly. The connection part has a shape having a plurality of axial grooves. The foreign material is not adhered to the inner wall of the pressure tube. The number of arm lockers(13) is increased from 4 to 6.
Patent KR-20090041539-A (KR)
Inventor: RHO BONG SEOG
IPC: E04G17/04
Filed: 2007-10-24
Abstract: A form panel sheathing fixture is provided to reduce the step height of both adjacent form panels and to join adjacent form panels. A form panel sheathing fixture comprises an L-shaped body in which a contact groove(12) adhering the side plate of the form panel of the adjacent both sides closely is formed, a ±Ý-shaped support plate(30) which is fixed to the inside part of the body and places the square pipe or the square bar, an insertion portion(22) in which a fastening hole(22a) is formed in one side, a sepa tie(20) which has a tread portion(24) in which a screw thread is formed on the other side, and a nut(40) which is screwed up with the sepa tie.
Patent KR-20090042541-A (KR)
Title: Method to manufacture aggregate to prevent from slipping on roads and that aggregate
Inventor: LEE MOO SUNG
IPC: C04B14/02
Filed: 2007-10-26
Abstract: An aggregate to prevent slipping on roads and a manufacturing method thereof are provided to obtain the aggregate which has low abrasion rate and which is not discolored with abrasion and in which a transparent coating layer does not easily peel off in paving the roads. A manufacturing method of an aggregate to prevent slipping on roads comprises: a step for mixing resin 50 ~70wt%, which is mixed with two or more of acryl resin, polyester resin and monomer resin, filler 30 ~50wt%, pigment 0.1 ~ 1wt%, and hardener 0.1 ~ 1wt%; a step for producing a resin filler board by firstly drying the mixture in a drying chamber for 8 hours ~12 hours; a step for forming a resin filler chip by pulverizing the resin filler board with a high speed crusher; a step for classifying the pulverized resin filler by putting on a screen selector; a step for removing dust in the particle with an air compressor and performing epoxy transparent coating for surface adhesive strength improvement; a step for secondly drying the resin filler chip at 80°C or more for 8 ~ 12 hours in the drying chamber; and a step for wrapping the dried particle.
Patent KR-20090043939-A (KR)
Inventor: LEE GA YOUNG
IPC: H01L29/78
Filed: 2007-10-30
Abstract: 본 발명은 바이어스 픽업 구조를 갖는 반도체 메모리 장치를 개시하며, 개시된 반도체 메모리 장치는 일면에 제 1 요철 영역이 형성되며, 상기 제 1 요철 영역에 자신의 웰에 제 1 바이어스 전압을 인가하기 위한 제 1 픽업 영역이 형성되는 P웰 및 상기 P웰의 제 1 요철 영역과 대응하여 맞물리는 제 2 요철 영역이 형성되며, 상기 제 2 요철 영역에 자신의 웰에 제 2 바이어스 전압을 인가하기 위한 제 2 픽업 영역이 형성되는 N웰을 포함함을 특징으로 한다.
Patent KR-20090044548-A (KR)
Inventor: KIM JAE YOUNG
IPC: H01L21/02
Filed: 2007-10-31
Abstract: 본 발명은 반도체 소자의 제조 장치 및 이를 이용한 반도체 소자의 제조 방법에 관한 것으로, 웨이퍼의 에지부에 형성된 박막이 결함 요소가 되므로 웨이퍼의 에지부에만 식각 공정을 수행하는 베벨 에치(Bevel Etch) 공정을 수행하는데, 이때 웨이퍼의 배면 에지부가 지나치게 식각되어 후속의 웨이퍼 흡착 공정에서 진공 누설 문제가 발생하는 것을 해결하기 위하여,  웨이퍼의 하부에 웨이퍼의 배면 에지부로 가스를 분사하는 가스 분사 노즐을 구비시킴으로써, 웨이퍼의 배면 에지부에 식각 플라즈마가 영향을 미치지 못하도록 하여 웨이퍼 배면 에지부의 손상을 방지하고, 후속의 흡착 공정 시 웨이퍼 전면을 안정적으로 흡착할 수 있도록 하여 반도체 소자의 제조 공정 수율을 향상시킬 수 있도록 하는 발명에 관한 것이다.
Patent KR-20090044566-A (KR)
Inventor: JANG CHI HWAN
IPC: H01L21/20
Filed: 2007-10-31
Abstract: 본 발명은 게르마늄 채널 또는 인장 게르마늄 채널을 사용하기 위한 기판의 제조 방법에 관한 것으로, 실리콘 기판 상부에 산화막을 형성하는 단계와, 상기 산화막에 화학적 기계적 연마 공정을 수행하는 단계와, 상기 산화막 상부에 게르마늄 탄소층을 형성하는 단계와, 상기 게르마늄 탄소층에 제1 어닐링 공정을 수행하는 단계와, 상기 게르마늄 탄소층으로부터 게르마늄을 성장시켜 게르마늄 에피층을 형성하는 단계와, 상기 게르마늄 탄소층 및 상기 게르마늄 에피층에 제2 어닐링 공정을 수행하는 단계를 포함하는 반도체 기판 제조 방법을 개시한다.
Patent KR-20070112358-A (KR)
Title: A hinge assembly
Inventor: KIM YOUNG MI
IPC: E05D3/02
Filed: 2007-11-05
Abstract: A hinge assembly is provided to improve strength and appearance by being extended in the length direction of a door without exposing screws and hinges to the outside. A hinge assembly connecting doors includes a first body(100), and a second body(200). The first body includes a flat plate(110) extended in the length direction thereof and a guider(120) formed integrally at the outer side end of the plate. The guider includes an annular guide groove(121) inside thereof, an opening which is opened at an angle of 90 degree and hooks(123) formed at both ends of the opening. The second body includes a flat plate(210) extended in the same direction as the first body and a rotary shaft(220) formed integrally at the outer side end of the plate. The rotary shaft is inserted into the guide groove of the guider and hooks corresponding to the hooks of the guider, thereby rotating in the range of 90 degree about the guider.
Patent KR-20080052374-A (KR)
Title: Positioning apparatus, exposure apparatus, and device manufacturing method
Inventor: HAMAYA ZENICHI
IPC: H01L21/027
Filed: 2007-11-07
Abstract: A positioning apparatus, an exposing apparatus, and a method for manufacturing a device are provided to realize the high measurement precision of the positioning apparatus by reducing the variation of temperature on an optical path. A stage(3) moves along a surface of a stage surface plate(6). An end of a cable is connected to the stage. A structure for rectification rectifies an air current around the cable. The structure for rectification is formed on at least one of the stage and the cable. Interferometers(1,2) measure a position of the stage. Mirrors(4,5) are installed on the stage. A gas ventilation device(10) sends air whose temperature is controlled to the whole space on the stage surface plate. The gas ventilation device is installed at an end of the stage surface plate. A cable cover(7) is connected to a side of the mirror. The cable cover radiates heat.
Patent KR-20090047926-A (KR)
Inventor: PARK SEONG HA
IPC: G02F1/13357
Filed: 2007-11-09
Abstract: 본 발명에 따른 백라이트 유닛은, 서로 대향된 상면 및 하면을 갖고, 그 내부로 입력된 광을 상기 상면 및 하면 사이의 내부 반사를 통해 도파시키는 도광판과; 상기 도광판 상에 배치되며, 상기 도광판으로부터 입력된 광을 집광 및 투과시키는 프리즘 시트를 포함하고, 상기 프리즘 시트는, 그 표면에 형성되며, 상기 도광판으로부터 입력된 광이 입사되는 주경사 1면; 상기 주경사 1면과 선 접촉하며, 주경사 1면을 통하여 입사된 광을 반사하는 곡률 또는 평면을 갖는 주경사 2면; 상기 주경사 1면과 주경사 2면 사이에서 서로 마주보며 상기 프리즘 패턴의 측면을 이루는 두 개의 보조 경사면으로 구성되어 있는 프리즘 패턴들을 포함하는 것을 특징으로 한다. 
       
     도광판, 백라이트 유닛, 프리즘 시트, 확산 시트, 반사 시트