baber/WOPTO huggingface dataset:
Patent KR-20040058858-A (KR)
Title: Self-rotating Non-oiling High-speed Air Bearing
Inventor: CHOI YOUNG HO
IPC: F16C31/00
Filed: 2002-12-27
Abstract: PURPOSE: A high-speed oil-free air bearing is provided to realize free rotation of an outer member by separating a rotor from an axial member. CONSTITUTION: A high-speed oil-free air bearing comprises an axial member(10) having an inject port(22) for injecting air from the exterior, cylindrical support members(12,14) protruding from the outer face of the axial member, many air nozzles(16,18) formed in the support member and injecting the air flowing into the axial member to the exterior, a cylindrical rotor(30) having a hollow core hole having longer outer diameter than the cylindrical support member, inserted with the axial member and separated from the support member with the injection of air.
Patent KR-20040059629-A (KR)
Title: Multimedia system integrated computer and multimedia function and it's method
Inventor: RYU JU HYEON
IPC: G06F1/26
Filed: 2002-12-28
Abstract: PURPOSE: A multimedia system unifying a computer and a multimedia function, and an operating method thereof are provided to minimize power consumption with shorten system booting time and simplified operation for using the multimedia function. CONSTITUTION: A computer hardware(20) performs the function of the general computer. A plurality of multimedia hardware(51-5N) is independent from the computer hardware on a hardware basis. An operation controller(40) turns on/off the operation by controlling the power of the computer hardware and the multimedia hardware. A user interface(30) provides an A/V(Audio/Video) and user I/O(Input/Output) function used by each hardware.
Patent KR-20020022787-A (KR)
IPC: C07D263/20
Filed: 2000-07-26
Abstract: 본 발명은 하기 화학식 1의 화합물에 관한 것이다. 
     <화학식 1> 
     
       
     
     식 중, 
     R 6 은 치환된 티오아실, 아미노카르보닐, 알콕시카르보닐, 아미노티오카르보닐, 알콕시티오카르보닐, 알킬티오(카르보닐), 또는 알킬티오(티오카르보닐)이고, R 7 은 아릴 또는 헤테로아릴이고, R 8-9 는 명세서에 기입된 치환체이다.  이는 인간 또는 다른 동물의 전염성 질병을 치료하거나 예방하는 데 유용하다.
Patent KR-20020039327-A (KR)
IPC: G06F3/14
Filed: 2000-07-28
Abstract: 그래픽 유저 인터페이스에서 관련된 정보를 디스플레이하고 관리하기 위한 방법은 복수의 관련된 데이터셋들 각각을 이산 파일에 저장하는 단계를 포함한다.  이산 데이터 파일들을 서로 링크시키는 혼함 파일이 저장된다.  상기 혼합 파일을 위한 공통 윈도우가 그래픽 유저 인터페이스에서 디스플레이된다.  상기 공통 윈도우내에 각 이산 파일을 위한 이산 윈도우가 디스플레이된다.
Patent KR-20020034176-A (KR)
Title: Process for the purification of wash water from the production of aromatic acids
IPC: B01D39/20
Filed: 1999-08-17
Abstract: An improved apparatus and method for the purification of waste wash water (20) derived from the production of aromatic acids. Lost aromatic acid product and the heavy metal oxidation catalyst is recovered and purified water is recycled to the process. The process includes the steps of filtration (10) to recover the insoluble aromatic acid (21), ion exchange (11) to recover and purify the heavy metal oxidation catalyst (12), and a reverse osmosis system (13) for recovering the water (14) for reuse.
Patent KR-20020033205-A (KR)
IPC: B23K26/382
Filed: 2000-10-03
Abstract: 레이저발진기(10)와 피가공부재로서의 프린트배선기판(20) 사이에, 폴리건 미러(11), 가공패턴을 규정하는 일렬형의 복수의 구멍을 갖는 마스크(12), 갈바노 미러(16), 가공렌즈(17)를 차례로 배치하여, 레이저발진기(10)로부터의 레이저빔이 상기 각 요소를 차례로 경유하여 프린트배선기판(20)에 조사되도록 한다. 폴리건 미러(11)는, 그 한 면의 미러마다 마스크(12)의 복수의 구멍을 스캔하도록 레이저빔을 편향(deflect)시킴으로써, 프린트배선기판(20)에 상기 복수의 구멍이 형성된다. 갈바노 미러(16)에 의해, 프린트배선기판(20)에 대한 레이저빔 조사영역을 일축(一軸)방향으로 시프트시킨다.
Patent KR-20020042744-A (KR)
IPC: H04S3/02
Filed: 2001-08-27
Abstract: 본 발명의 신호 처리 장치는 저주파 효과 채널의 디지털 오디오 신호들과, 제 1 내지 제 n(n≥2) 채널들의 디지털 오디오 신호들을 발생시키도록 스트림 신호를 디코딩하기 위한 디코더와; 상기 제 1 내지 제 n 채널들중 지정된 채널의 디지털 오디오 신호와 저주파 효과 채널의 디지털 오디오 신호를 가산하여 부가 신호를 발생시키는 가산기부와; 상기 지정된 채널의 디지털 오디오 신호를 제외한 제 1 내지 제 n 채널들의 디지털 오디오 신호들과 부가 신호를 n개의 타입들의 아날로그 오디오 신호들로 변환하기 위한 n개의 D/A 변환부들과, 저주파 효과 채널의 디지털 오디오 신호를 발생시키기 위한 제 1 신호 처리부와, 지정된 채널의 아날로그 오디오 신호를 발생시키기 위한 제 2 신호 처리부를 포함한다.
Patent KR-20020056934-A (KR)
IPC: B01J37/22
Filed: 2000-10-03
Abstract: This invention is a process for producing vinyl chloride from an ethylene-containing feed, oxygen, and a chlorine source in the presence of a catalyst. The process permits direct production of vinyl chloride in a single reactor system, and further permits ethane to be used as the C2 hydrocarbon feed with recycle of ethylene from the product stream to constitute the ethylene specified for the feed. This invention in another aspect concerns also a composition of matter, and a method for making the composition, wherein the composition is useful as a catalyst for the vinyl chloride process. The composition comprises a rare earth- containing material, with the proviso that the catalyst prepared therefrom is substantially free of iron and copper and with the further proviso that when cerium is present the catalyst further comprises at least one more rare earth element other than cerium.
Patent KR-20020060246-A (KR)
IPC: B60C15/02
Filed: 2000-11-30
Abstract: A tire for a vehicle wheel, comprising two sidewalls joined by a crown zone provided on its radially outer portion with a circumferential tread, a bead arranged at the radially inner portion of each of the sidewalls, each bead comprising a seat and an outer flange which are intended to come into contact with the rim. The bead seat has a generatrix, the axially inner end of which lies on a circle of diameter greater than the diameter of the circle on which the axially outer end is located. A carcass-type reinforcement structure extends substantially radially from each of the beads, along the sidewalls, towards the crown zone, such bead being reinforced by a substantially radial arrangement of circumferential cords arranged in stacks. A portion of the carcass-type reinforcement structure is arranged in the immediate vicinity of at least one portion of a stack, and the space between these portions is generally occupied by a rubber mix of high elasticity modulus.
Patent KR-20020059848-A (KR)
IPC: H04B1/707
Filed: 2001-10-09
Abstract: 각도 검출 회로(202)는 동상 가산된 파일럿 신호의 위상 성분을 검출한다.  위상 연산 회로(203)는 동상 가산된 파일럿 신호의 위상 성분과 파일럿 블록의 중첩 계수를 이용한 위산 연산 처리를 행하여, 채널 추정값의 위상 성분을 구한다.  절대값 연산 회로(204)는 동상 가산된 파일럿 신호의 진폭 성분을 검출한다.  진폭연산 회로(206)는 파일럿 블록의 중첩 계수가 연산된 진폭 성분을 가산하여, 채널 추정값의 진폭 성분을 구한다. 벡터 연산 회로(207)는 구해진 위상 성분 및 진폭 성분을 벡터로 연산하여 채널 추정값을 얻는다.
Patent KR-20020077466-A (KR)
Title: Generating two signals having a mutual phase difference of 90°
IPC: H03H7/18
Filed: 2001-11-29
Abstract: A method and device are described for generating two output signals (I; Q) each substantially identical to a square-wave input signal (A) from a local oscillator ( 2 ), wherein the first output signal (I) may have a certain time shift with respect to the input signal (A), and wherein the second output signal (Q) is shifted over T<SUB>1</SUB>/4 [mod T<SUB>1</SUB>] with respect to the first output signal (I), T<SUB>1 </SUB>being the period of the input signal (A). To generate the first output signal (I), Fourier components (S<SUB>1</SUB>(omega<SUB>1</SUB>), S<SUB>3</SUB>(omega<SUB>3</SUB>), S<SUB>5</SUB>(omega<SUB>5</SUB>), S<SUB>7</SUB>(omega<SUB>7</SUB>), S<SUB>9</SUB>(omega<SUB>9</SUB>), S<SUB>11</SUB>(omega<SUB>11</SUB>) etc) of the input signal are combined. To generate the second output signal (Q), Fourier components (S<SUB>1</SUB>(omega<SUB>1</SUB>), S<SUB>5</SUB>(omega<SUB>5</SUB>), S<SUB>9</SUB>(omega<SUB>9</SUB>) etc) of the input signal are phase shifted over +90° while Fourier components (S<SUB>3</SUB>(omega<SUB>3</SUB>), S<SUB>7</SUB>(omega<SUB>7</SUB>), S<SUB>11</SUB>(omega<SUB>11</SUB>) etc) of the input signal are phase shifted over -90°, and the thus shifted Fourier components of the input signal are combined.
Patent KR-20030004353-A (KR)
IPC: H01L31/0216
Filed: 2001-02-21
Abstract: 본 발명은 조립작업의 용이화와 비용의 저감화를 꾀하기 위해 기판과, 촬상용 반도체디바이스칩과, 경프레임체와, 적외광차광용 필터, 렌즈 및 조리개와, 투명부재와, 포팅재를 갖는 소형 촬상모듈에 관한 것으로서, 
     상기 기판은 세라믹 등을 포함하는 비금속제로 이루어지고, 상기 촬상용 반도체디바이스칩은 상기 기판상에 부착되는 2차원C-MOS이미지ㆍ센서 등을 포함하며, 상기 경프레임체는 상기 촬상용 반도체디바이스칩을 내포하도록 상기 기판상에 붙임고정되고, 상기 적외광차광용 필터, 렌즈 및 조리개는 상기 경프레임체에 대하여 각각 부착되며, 상기 투명부재는 상기 기판과 상기 경프레임체의 사이에 있고, 상기 촬상용 반도체디바이스칩의 표면부를 보호하도록 설치되며, 상기 포팅재는 상기 촬상용 반도체디바이스칩의 주변부에 있어서의 전극리드 등을 덮도록, 또한 상기 투명부재의 주변부를 동시에 접착하도록 설치되는 것을 특징으로 한다.
Patent KR-20020076322-A (KR)
IPC: H02K1/12
Filed: 2001-12-05
Abstract: 스테이터(1)는 스테이터 프레임(10), 스테이터 코어(20) 및 스프링(30, 40, 50)을 포함한다.  스테이터 코어(20)는 그내에 형성된 더브테일 슬롯(24)을 갖는 적어도 하나의 라미네이션(22)을 포함한다.  키 바아(12)는 스테이터 프레임(10)에 연결되며, 더브테일 슬롯(24)과 결합하기 위한 더브테일(14)을 포함한다.  스프링(30, 40, 50)은 라미네이션(22)의 일부와 더브테일(14) 사이에 결합되어, 스테이터 코어(20)와 스테이터 프레임(10) 사이에 전기 접지 경로를 제공한다.  스프링(30)은 더브테일(14) 및 중앙부(32a)와 접촉하는 제 1 및 제 2 단부(32b, 32c)를 구비하는 판 스프링(32)을 포함한다.  중앙부(3a)는 라미네이션(22)과 접촉하는 베이스부(37)에 연결된다.  대안적으로, 스프링(40, 50)은 라미네이션(22)과 접촉하는 베이스부(42, 52)와, 베이스부(42, 52)로부터 돌출하고 더브테일(14)과 접촉하는 갈퀴부(44, 54)를 포함한다.
Patent KR-20040064784-A (KR)
Inventor: HWANG GYEONG DAE
Filed: 2003-01-10
Abstract: PURPOSE: A method for automatically configuring/operating the BOM(Bill Of Materials) of a product is provided to automatically configure the BOM of the requested product in real-time by constructing the detail specification information classified into each product and part. CONSTITUTION: To update/confirm the basic data of the BOM such as the common part information, the common proper form information, the common standard information, the common color information, length/cycle importance, specification information of each part, a draft BOM, a design part table for the BOM in real-time, a database is constructed/managed. The BOM according to a buyer's request is asked(600). The data for the requested BOM is compared with the basic data stored in the database and the requested BOM is automatically composed(620). The automatically composed BOM is verified(690).
Patent KR-20030063140-A (KR)
Title: 프린트 기판과 그 제조 방법
IPC: H05K1/03
Filed: 2003-01-15
Abstract: 코어 재료서의 양면 프린트 배선판의 제조 방법에서는, 절연 기재에 레이저를 조사해서 구멍을 뚫고, 스루홀 도금법에 의해 도전로를 형성한다.  또, 절연 기재(31) 표면에 도전 패턴을 형성하고 있다.  그러나, 이와 같이 도전로와 도전 패턴을 다른 공정에서 형성하므로 공정수가 증가한다.  또한, 서브트랙티브법을 사용한 패턴 형성에는 미세 피치의 패턴이 얻어지지 않는다는 큰 결점이 있다. 
     본 발명은 절연성 기판의 소정 위치에 관통 구멍을 형성한 후, 상기 기판의 표리 양면에 소정 패턴의 레지스트막을 형성하고, 그 후 상기 관통 구멍을 포함하는 기판의 표리 양면에 상기 관통 구멍이 충분히 충전되도록 도금을 실시하여 관통 구멍부에서 표리 도통한 도전성 패턴과 관통 구멍부의 도금을 형성하고, 그 후 상기 레지스트막을 제거하는 공정을 포함해서 이루어지는 것을 특징으로 하는 프린트 기판의 제조 방법이다.
Patent KR-20030011144-A (KR)
Inventor: KIM DAE UK
IPC: B28D1/04
Filed: 2003-01-17
Abstract: PURPOSE: A cutting saw blade is provided to achieve superior cooling effect even if a cutting section is deep and to reinforce a shank section by reinforcing a center of the shank section coupled to a rotating shaft of a motor. CONSTITUTION: A cutting saw blade(100) includes a shank section(110) having a disc shape and formed with a hollow part(113). A reinforcement plate(160) is inserted into the hollow part(113) of the shank section(110) in line with the shank section(110). A center hole(170) is formed at a center of the reinforcement plate(160). An outer portion of the reinforcement plate(160) is welded to an inner portion of the hollow part(113) of the shank section(110). A diamond cutting blade(130) is fixed along a circumference of the shank section(110). A plurality of first cooling holes(151) are formed in series in a circumferential direction of the shank section(110). A plurality of second cooling holes(152) are radially formed along the circumference of the shank section(110).
Patent KR-20040067085-A (KR)
Title: Method for controlling power of embedded system
Inventor: HWANG GWANG JO
IPC: G06F1/32
Filed: 2003-01-21
Abstract: PURPOSE: A method for controlling the power of an embedded system is provided to manage the power by using a hard button installed to the embedded system and reduce the unnecessarily consumed power by making a user switch a power mode quickly with the hard button without waiting for the predetermined time. CONSTITUTION: The hard button is inputted(S110). A frequency or the time of the inputted hard button is calculated(S120). A power control mode is switched to the proper power control mode based on a calculation result(S130). If the hard button is pushed once for the predetermined time, a system is switched to an idle mode. If the hard button is successively pushed twice for the predetermined time, the system is switched to a sleep mode.
Patent KR-20040068722-A (KR)
Title: Sense amplifier circuit with low power consumption and improved sensing speed
Inventor: LEE JEONG SEOK
IPC: G11C7/06
Filed: 2003-01-27
Abstract: PURPOSE: A sense amplifier circuit is provided to increase the sensing speed of the input voltage and to reduce the power consumption. CONSTITUTION: A sense amplifier circuit(400) improved in a sensing speed and reduced in a power consumption includes a voltage level sensing circuit(420), a voltage level control circuit(410) and an amplifying circuit(460). The voltage level sensing circuit(420) receives the input voltage to the first node and senses the voltage level of the input voltage to output the sensing result through the second node and the third node. The voltage level control circuit(410) controls the voltage levels so as to the voltage levels of the second node and the third node up to the first voltage level. And, the amplifying circuit(460) amplifies the voltage levels of the input voltage and outputs the amplified voltage level as an output voltage in response to the outputs of the second node and the third node.
Patent KR-20040068825-A (KR)
Inventor: LEE YOON GON
IPC: B61B1/02
Filed: 2003-01-27
Abstract: PURPOSE: A two stage up-down step system for a subway platform is provided to prevent the safety accident by providing a step to the gap between a subway platform and a train entrance and especially, to make easy for the handicapped person or the old and the weak to enter or exit. CONSTITUTION: A two stage up-down step system for a subway platform comprises an operating part having a direction control solenoid valve arranged to an inner front side of a frame(12) to control the lift of a step, wherein an LM guide(3) and a pneumatic pressure operating cylinder(4) are arranged in series to connect a cylinder rod to a rack(1) and engage the rack with a pinion(2); a knuckle joint part in which a rotation arm(6) is coupled to a contact arm(7) with a knuckle joint, wherein the rotation arms are coupled to both ends of a shaft(5) of the operating part and spring is interposed between the rotation arm and the contact arm; and a step part turning the step in the angle of 45 degrees in lifting by coupling the contact arm to the step and by coupling a roller(9) and a pinion(10) to both ends of the step.
Patent KR-20040069006-A (KR)
Inventor: JANG HO SEON
IPC: H01J29/88
Filed: 2003-01-28
Abstract: PURPOSE: A color cathode ray tube is provided to reduce an ununiformity of a film thickness and a coating solution used in a coating process by forming a low-reflection coating with a spray method at an outer surface of a panel in a color cathode ray tube. CONSTITUTION: A color cathode ray tube comprises a panel(1) having a screen; a funnel(2) mounted to a rear surface of the panel; an electron gun inserted into a neck part of the funnel for emitting an electron beam toward the screen; and a shadow(3) mask having a plurality of electron beam through hole arranged with a predetermined spacing at the inside of the panel. An outer surface of the panel comprises an electromagnetic waves preventing film and a reflection preventing film(15) formed with a spray method. A thickness of a low-reflection film constituted with the electromagnetic waves preventing film and the reflection preventing film has an irregular prominence and depression shape. A height difference of a detailed prominence and depression is formed with 20-200nm in a predetermined area of a surface.
Patent KR-20040071828-A (KR)
Inventor: KIM BONG HUI
IPC: G06Q30/02
Filed: 2003-02-07
Abstract: PURPOSE: A system and a method for offering a community service are provided to indirectly confirm an emotion and a state of each other member, and have a meeting chance through a corresponding event by displaying the emotion or state information inputted from a communication service user as a coordinates value and generating the event fit to the coordinates value displayed on an emotion display map. CONSTITUTION: The emotion display map displays the emotion or state information of the communication service user as the coordinates value based on an information axis. An emotion state analysis module(130) judges the similarity or the heterogeneity between coordinates values based on the coordinates vale displayed on the emotion display map and generates the event depending on judgment. The emotion state analysis module includes a coordinates value comparator(131) measuring the approach between coordinates values, a coordinates value judger(133) judging the similarity or the heterogeneity between coordinates values, and an event generator(135) generating the corresponding event depending on a control signal generated from the coordinates judger.
Patent KR-20040073046-A (KR)
Inventor: CHOI JIN SEOK
IPC: G06Q99/00
Filed: 2003-02-13
Abstract: PURPOSE: A system for managing a customer using the online is provided to secure the security for transaction by knowing/referring to various kinds of information and the credit state changes of the customer, and giving an alarm for a sign of bad credit or insolvency. CONSTITUTION: A credit information management server(60) receives the credit information for the customer(30) from a credit information authority(50), and previously judges the sign for the insolvency by analyzing a credit level of each customer and calculating a watch level. A customer management server(10) provides the credit information of each customer to a user terminal(20), and performs an alarm function by watching the watch level change particulars, the bad credit information, and the related news provided from the credit information management server and performing a mailing service. The user terminal inputs/stores/manages the calling card information of the customer, and manages the customer by referring to the credit information of each customer provided from the customer management server.
Patent KR-20040074813-A (KR)
Inventor: PARK JONG IN
IPC: D04H1/4291
Filed: 2003-02-19
Abstract: PURPOSE: A manufacturing method of non-woven fabric for repairing a water supplying pipe and a drain pipe is provided. The non-woven fabric is characterized by having many more confounded part of short fibers, using the confound parts as junction parts and preventing deterioration of mechanical properties in forming. CONSTITUTION: A manufacturing method of non-woven fabric for repairing a water supplying pipe and a drain pipe is as follows: controlling needle density of a needle punching machine differently in a width direction of the non-woven fabric; and arranging many more confounded part(1a) of short fiber and small confounded part(1b) of the short fiber alternately.
Patent KR-20040075450-A (KR)
Inventor: HWANG YONG HUI
IPC: B01D46/42
Filed: 2003-02-21
Abstract: PURPOSE: An air purifier with safety panel is provided to prevent the hand of a man from touching filters through air inlet formed on the front panel and prevent a part of the human body from directly touching the filters in the state that the front panel is separated. CONSTITUTION: The air purifier comprises a main body(1) the front of which is opened; a front panel(2) which is installed on the front surface of the main body, and on which air inlet is formed; filters installed in the main body; and a safety panel(50) arranged between the front panel and the filters to prevent a part of the human body from touching the filters, wherein the safety panel comprises a frame(51) for forming the edge of the safety panel, a plurality of longitudinal bars(52) longitudinally arranged on the frame, and a plurality of lateral bars(53) laterally arranged on the frame, wherein the air inlet is formed on both side surfaces of at least one of suction grill projectingly formed from the front panel to the front side of the front panel, and the safety panel is constructed in such a structure that a gap between the longitudinal bars is narrower at a part of the safety panel corresponding to both side surfaces of the suction grill on which the air inlet is formed while a gap between the longitudinal bars is wider at a part of the safety panel corresponding to a space between both side surfaces of the suction grill, and wherein catching protrusions(55) projected downward are formed at an inner upper part of the frame, and catching holes(13) on which the catching protrusions are caught are formed on an upper part of the main body so that the safety panel is simply connected to or separated from the main body as the catching protrusions are being caught on or off the catching holes.
Patent KR-20040077985-A (KR)
Inventor: PARK HOENG MO
IPC: A63B22/02
Filed: 2003-03-03
Abstract: PURPOSE: A running machine is provided to prevent a dust generated from a running belt on using the running machine from being accumulated in motor or drive by directly sucking and filtering-removing the dust. CONSTITUTION: The running machine includes; a driving unit(10) rotating a running belt using a motor(12) and a longitudinally moving roller(14); a front surface(20) straightly standing at regular height in front of the driving unit(10) and having a motor chamber; and a control(30) on top end of the front surface(20); besides a dust removing device(400) having a suction fan(410) with a filter(420) and a suction duct(430) guiding dust to the suction fan(410); a frame structure(500) having an upper(510) and a lower frame(520) connected with each other by many connecting rods, and many lights(530) properly arranged in the upper frame(510); and an air conditioning device(600) having a blowing fan(610) with a filter(620) and many branched-installed supply tubes(630).
Patent KR-20040078276-A (KR)
Inventor: LEE JI YEONG
IPC: H04B1/40
Filed: 2003-03-03
Abstract: PURPOSE: A method for controlling screen split of a mobile communication terminal is provided to efficiently use a mobile phone by controlling the size of a second LCD added by splitting a first LCD, and executing operations on the second LCD or first LCD. CONSTITUTION: In the case that call interrupt is applied to a mobile communication terminal of which a first LCD(Liquid Crystal Display) is being used, the first LCD is split to generate a second LCD. A picture initial menu is showed on the second LCD. Operations by function keys are selectively executed on the first LCD or second LCD. According to a split releasing request, the first LCD or second LCD is selectively removed, and the current state of the remaining LCD is maintained.
Patent KR-20040079027-A (KR)
Inventor: HONG YEONG GI
IPC: G02F1/13357
Filed: 2003-03-06
Abstract: PURPOSE: A prism sheet for a back light unit is provided to improve luminance characteristic of the prism sheet and widen a viewing angle. CONSTITUTION: A prism sheet for a back light unit of a liquid crystal display includes a transparent base film(3), a prism part(1) and an anti-reflecting layer(5). The prism part has a plurality of protrusions and is located on one side of the base film. The cross section of each protrusion has a triangular shape. The anti-reflecting layer is located on the other side of the base film. The prism sheet further includes a groove part(4) disposed between the base film and the anti-reflecting layer. The groove part includes fine protrusions or grooves consecutively formed. The prism sheet further includes a primer layer(2) disposed between the base film and the prism part and/or between the base film and the groove part.