baber/WOPTO huggingface dataset:
Patent KR-20160133998-A (KR)
Inventor: PARK IL KWON
IPC: B60W10/26
Filed: 2015-05-14
Abstract: The present invention relates to a device for learning engine friction torque of a vehicle and, specifically, to a device and a method for learning engine friction torque of a vehicle, which learn engine friction torque using motor charging torque in a battery charging mode while the vehicle stops. To achieve the same, according to an embodiment of the present invention, the device for learning engine friction torque of the vehicle includes: an engine and a driving motor which are a power source; an engine controller controlling the engine by detecting an operation state of the engine; a motor controller controlling driving and the torque of the driving motor; and a vehicle controller integrally controlling the engine controller and the motor controller via a network in accordance with a vehicle state. The vehicle controller includes: a state determining unit determining whether the engine has a part load and whether the vehicle is in a battery charging mode and stops based on the vehicle state; a deviation calculation unit calculating an engine friction torque deviation based on engine output torque and motor charging torque; and a torque learning unit learning the engine friction torque based on the engine friction torque deviation.
Patent KR-20160136621-A (KR)
Title: Light Emitting Diode Apparatus And Method Of Controlling The Same
Inventor: YOON SEONG WOOK
IPC: F21S10/00
Filed: 2015-05-20
Abstract: The present invention provides a light emitting diode device. The light emitting diode device includes: a master controller generating a digital multiplex (DMX) signal; one or more slave controllers which generate luminance data using the DMX signal in accordance with a start address and generate field effect transistor (FET) and driver integrated circuit (DIC) control signals in accordance with the number of FETs and DIC types by using the luminance data; one or more FET type LED modules which include a first LED array and FETs and enable the FETs to control the brightness of the LED array in accordance with the FET control signals; and one or more DIC type LED modules which include one or more second LED arrays and DICs and enable the DICs to control the brightness of the second LED arrays in accordance with the DIC control signals.
Patent KR-20160137058-A (KR)
Title: Processing method of radiation-tainted water and sealing processing method of nuclear plant
Inventor: MORIMOTO NOBUYOSHI
IPC: B63B27/24
Filed: 2015-05-22
Abstract: Provided is a processing method to smoothly process radioactivity tainted water which is difficult to access due to radioactivity. The processing method of the radioactivity tainted water comprises: a drilling step of performing drilling action from a drilling vessel (20) docked at the sea from land to a drilling pipe toward a land side through the sea, the seabed, and the seabed ground, performing the drilling action from a lower part of a nuclear power plant (10) storing the radioactivity tainted water to an inside of the nuclear power plant (10), and connecting the drilling pipe and the radioactivity tainted water; and a transferring step of transferring the radioactivity tainted water of the nuclear power plant (10) to a storing vessel through a transfer pipe connected through the drilling pipe.
Patent KR-20160139179-A (KR)
Inventor: RYU HO JIN
IPC: B01J19/08
Filed: 2015-05-27
Abstract: The present invention relates to a method for locally reducing graphene oxide, and to a locally reduced graphene oxide thin film. According to a first aspect of the present invention, a method for locally reducing graphene oxide comprises the following steps of: preparing a graphene oxide thin film; forming a self-reaction layer on the graphene oxide thin film; locally reducing a part of the graphene oxide thin film, which has the self-reaction layer by applying a stimulus to the self-reaction layer; and removing the self-reaction layer.
Patent KR-20160142426-A (KR)
Title: 광학 필터링 유닛 및 이를 포함하는 분광 장치
Inventor: LEE HEON
IPC: G01J3/28
Filed: 2015-06-02
Abstract: 광학 필터링 유닛은 신축성을 갖는 신축성 기판, 및 상기 신축성 기판 상에 배치되며, 상기 신축성 기판의 신축에 따라 가변적으로 특정 파장의 빛을 선택적으로 투과시키는 투광 패턴들을 포함한다. 이로써, 신축성 기판의 신축에 따라 가변적으로 특정 파장의 빛이 선택적으로 투과될 수 있다.
Patent KR-20160142530-A (KR)
Title: Composition of Anti-freezing agents
Inventor: KIM JAE JONG
IPC: A01N1/02
Filed: 2015-06-03
Abstract: The present invention relates to an anti-freezing agent composition capable of stably storing nucleic acids, proteins and the like. More specifically, according to the present invention, synthesized oligonucleotides, genomic DNA, PCR (RT/PCR) master mixture, restrictive enzymes and the like can be dissolved in a solution containing the anti-freezing agent which does not freeze even at temperatures of -20C or lower, and thereby can be stored conveniently and stably, while the inconvenience of performing repeated freezing/thawing cycles for each use and the problem of decreased performance can be minimized.
Patent KR-20160145987-A (KR)
Title: Method and Apparatus for controlling temperature adjustment device
Inventor: JUNG HYUN KI
IPC: G06F3/01
Filed: 2015-06-11
Abstract: According to an embodiment of the present invention, provided are method for controlling an electronic device that receives biometric information from a sensor, and an electronic device for performing the same. The method comprises the steps of: setting a test temperature; transmitting a temperature adjustment command corresponding to the set test temperature to a temperature control device; calculating a sleep score based on the biometric information received from the sensor when applying the test temperature; and determining an optimum sleep temperature based on the calculated sleep score. Furthermore, provided are an analyzer for communicating with the electronic device, the temperature control device, and an operating method of a server and each device. The present disclosure relates to techniques for a sensor network, machine to machine (M2M), machine type communication (MTC) and Internet of things (IOT). The present disclosure can be used for intelligent services (smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety related services, etc.) based on the above-mentioned technologies.
Patent KR-20160148796-A (KR)
Title: Equipment for manufacturing a substrate and maintenance method of the same
Inventor: SONG KI WOOK
IPC: H01L21/66
Filed: 2015-06-16
Abstract: The present invention discloses a substrate manufacturing installation and a management method thereof. The management method of the substrate manufacturing installation includes: a step of indicating preventive maintenance of a chamber; a step of performing a first optical test; and a step of determining the result of the preventive maintenance. The step of performing the first optical test includes: a step of inducing a reference plasma reaction; a step of obtaining intensity values of light of the reference plasma reaction for each wavelength; and a step of calculating electron density and electron temperature from ratios of the intensity values.
Patent KR-20170003772-A (KR)
Inventor: MIN JANG KI
IPC: G02B27/10
Filed: 2015-06-30
Abstract: 본 발명은 다양한 환경에 설치가 용이한 FTTH용 광스플리터 모듈에 관한 것으로, 특히 광스플리터 모듈을 혼자서 용이하게 다양한 장소에 설치함은 물론 별도의 광단자함을 사용하지 않는 신개념의 기술에 관한 것이다. 
종래에 게시된 광스플리터가 내장된 광단자함은 단일 장소에만 설치할 수 있도록 구성됨으로써 설치장소에 제한받지 않고 간편하게 설치할 수 없고, 상기 광스플리터의 크기는 작은 반면 상기 광단자함 자체의 규격이 필요 이상으로 커서 매우 고가일 뿐만 아니라 대형화를 초래하는 문제점이 야기된다. 
본 발명은 이러한 문제점을 일소하기 위한 방안으로 광스플리터만을 내장하여 콤팩트한 크기로 모듈화 된 광스플리터 모듈에 조가선 행거, 벽면용 홀더, 전주용 고정홀더 중 어느 하나를 장착한 후 이를 이용하여 상기 광스플리터 모듈을 설치장소에 제한받지 않고 간편하에 설치할 수 있도록 하는 기술을 강구함을 특징으로 한다.
Patent KR-20170004172-A (KR)
Inventor: KIM HYUN
IPC: H01M50/15
Filed: 2015-07-01
Abstract: The present invention relates to a secondary battery module which comprises a plurality of unit batteries. The unit battery includes: an electrode assembly including a first electrode, a second electrode, and a separator interposed between the first electrode and the second electrode; a faceted cylindrical case for receiving the electrode assembly; and first and second plates for respectively sealing openings formed in both sides of the case. The unit battery is arranged to enable at least one surface of the case to be in contact with a neighboring unit battery. Therefore, by forming the case of the unit battery in a faceted cylindrical shape, the secondary battery module has high energy density by increasing spatial efficiency on a unit battery arrangement.
Patent KR-20170005244-A (KR)
Title: 넓은 튜닝 범위를 갖는 고선형 전압-전류 컨버터 및 이를 이용한 전압제어발진기
Inventor: CHA HYEONG WOO
IPC: G05F1/56
Filed: 2015-07-01
Abstract: 본 발명은 높은 선형성과 넓은 튜닝범위를 갖는 전압-전류(V-I) 컨버터 및 이를 이용한 CMOS VCO에 관한 것으로서, 본 발명에 따른 V-I 컨버터는 차동증폭기, 전압감쇠기, 소스폴로어 및 적응형 전류미러로 구성되고, 상기 VCO는 상기 V-I 컨버터, 스위치, 캐패시터 및 슈미트트리거로 구성되어, 0.2V에서 3.0V의 공급전압에 이르는 튜닝범위를 가지며, 비선형성 에러는 상기 튜닝범위에서 0.5%보다 더 적을 뿐만 아니라 1mW의 전력손실을 갖는 특징으로 한다.
Patent KR-20170008427-A (KR)
Inventor: KIM SUN HEE
IPC: A61K8/02
Filed: 2015-07-14
Abstract: 본 발명은 모람나무 추출물을 함유하는 화장료 조성물 및 그 제조방법에 관한 것으로서, 본 발명의 식품첨가물 및 화장료 조성물은 열수, 메탄올, 에탄올, 글리세린, 에틸아세테이트, 부틸렌글리콜, 프로필렌글리콜, 디클로로메탄 및 헥산으로 이루어진 군으로부터 선택된 어느 하나 이상의 용매로 추출된 모람나무 잎, 줄기, 열매 추출물을 건조 중량을 기준으로 0.01~5.0 중량% 함유한다. 본 발명에 따른 모람나무 추출물은 항산화 및 항균작용이 뛰어나다.
Patent KR-20160008980-A (KR)
Title: System and method of recovering lagrange multipliers in modal dynamic analysis
Inventor: BELYI MIKHAIL
IPC: G06F17/16
Filed: 2015-07-14
Abstract: Modal dynamic analysis about finite element models (FEMs) including Lagrange multipliers can generate inaccurate stress and reactions. Therefore, embodiments of the present invention provide methods and systems for performing modal analysis which corrects errors of the FEMs. According to one of the embodiments, the method starts by providing the FEM, the FEM is employed in the modal analysis which models stress and reactions of the FEM by using the Lagrange multipliers, a correction term is calculated, and the method ends by revising (and consequently improving) the modal analysis by using the correction term in order to change the Lagrange multipliers.
Patent KR-20170009406-A (KR)
Title: Flow meters for foup purging module
Inventor: MOON IN HO
IPC: G01F1/38
Filed: 2015-07-17
Abstract: According to the present invention, an oil pressure gauge for a FOUP purging module comprises: a casing; a flow rate block installed in the casing, wherein gas discharged from the FOUP purging module flows; an orifice installed in the flow rate block; and a differential gauge measuring differential pressure of an input terminal and a discharge terminal of the orifice. Moreover, gas does not flow by penetrating through the differential gauge, and passes through the flow rate block. Therefore, durability of the oil pressure gauge can be lengthened by the orifice and the differential gauge which are influenced by corrosive process gas, and a measuring error does not occur. In addition, a flow rate of an outlet of FOUP can be measured.
Patent KR-20170011575-A (KR)
Inventor: SO BYOUNG GUK
IPC: H05K5/00
Filed: 2015-07-23
Abstract: 본 발명은 메탈코어 연장부를 가지는 인쇄회로기판을 포함하는 인쇄회로기판 어셈블리에 관한 것이다. 본 발명에 따른 인쇄회로기판 어셈블리는 메탈코어를 포함하는 보드와, 메탈코어에서 연장하는 메탈코어 연장부를 포함하는 인쇄회로기판; 및 보드을 감싸는 바디부와, 바디부에서 연장되고 메탈코어 연장부를 감싸는 체결부를 포함하는 커버부를 포함하고, 커버부는 바디부와 체결부 사이에 배치된 가이드홈을 포함하고, 메탈코어 연장부는 체결부와 체결되는 전자기기를 향하여, 가이드홈을 통해 연장한다.
Patent KR-20170012985-A (KR)
Inventor: KIM JONG UK
IPC: F21V19/00
Filed: 2015-07-27
Abstract: The present invention relates to a lantern control system. According to one aspect of the present invention, there is provided a lantern control system which includes: a control box formed in a box shape having a front door and a rear door; first and second LED driver devices which are formed in a box shape, are installed left and right in parallel within the lower portion of the control box, are detachable to the front in a sliding manner when the front door is open, include first and second power supply units provided therein, respectively, and include first and second LED driver boards provided therein, respectively; and a main control board installed within the upper portion of the control box and installed to enable a control input operation and a control output operation on the front side through an interposed main display board when the front door is open; and a motor driver installed within the upper portion of the control box and exposed to the rear side when the rear door is open.
Patent KR-20160032670-A (KR)
Inventor: LEE YONG HEUM
IPC: A61N5/06
Filed: 2015-07-27
Abstract: The present invention provides a rhinitis treatment device. The rhinitis treatment device includes: multiple light generation units which include a first light source emitting first light having a first wavelength to a user′s nasal cavity and a second light source emitting second light having a second wavelength to the user′s nasal cavity while being capable of emitting the first and second light at the same time; a magnetic field generator which is arranged near a nose support of the rhinitis treatment device coming in contact with the nose of the user, is arranged on the outside of the nasal cavity, and generates a magnetic field extended toward the nose cavity; and a control unit which controls the operation of the magnetic field generator as well as the operation of either or both of the first and second light sources.
Patent KR-20170017332-A (KR)
Title: 방열유닛 및 이를 이용한 조명등
Inventor: JEONG BEOM HYUN
IPC: F21V29/87
Filed: 2015-08-06
Abstract: 본 발명은 고효율의 열 전도도를 유지하면서 경량화시킬 수 있는 방열유닛 및 이를 이용한 조명등에 관한 것으로서, 본 발명의 일 실시형태에 따른 조명등은 LED 소자가 실장되어 전원의 인가에 의해 빛을 발산하는 발광유닛과; 합성수지에 열전도성 물질을 혼합하여 소정의 형상으로 제작되어 상기 발광유닛에 연결되는 방열유닛을 포함한다.
Patent KR-20170017652-A (KR)
Title: 쓰레기 종류 인식을 통한 자동 분리수거 쓰레기통
Inventor: LEE GUYNG ROK
IPC: B65F1/14
Filed: 2015-08-07
Abstract: 본 발명은 쓰레기통에 관한 것으로서, 더욱 상세하게는, 쓰레기를 자동으로 인식하여, 쓰레기에 종류에 적합한 쓰레기통에 버릴 수 있도록 유도하는 쓰레기 종류 인식을 통한 자동 분리수거 쓰레기통에 관한 것으로, 자동으로 개폐되는 쓰레기 투입구가 구비된 쓰레기통과, 쓰레기통의 전면에 설치되어 금속 쓰레기를 탐지하는 금속 탐지 센서와, 쓰레기통의 전면에 설치되어 쓰레기의 형태와 색상을 인식하는 카메라와, 금속 탐지 센서와 카메라와 연계하여 쓰레기 종류에 해당하는 쓰레기 투입구를 개폐하는 제어부를 포함하여, 금속 탐지 센서, 카메라 및 제어부가 버려지는 쓰레기 종류를 판단하여, 쓰레기 종류에 해당하는 쓰레기 투입구만을 개폐하여 쓰레기를 버릴 수 있도록 함으로써, 쓰레기 분리 수거율을 현저하게 향상시킨다는 효과가 있다.
Patent KR-20170019928-A (KR)
Inventor: SUN BOUNG GAB
IPC: A23L17/60
Filed: 2015-08-13
Abstract: Disclosed are a soy sauce spraying-type apparatus for roasting laver and a roasting method. The soy sauce spraying-type apparatus for roasting laver according to an embodiment of the present invention comprises: a laver drying unit for removing moisture, which removes residual moisture of laver by heating the laver to be roasted; and a soy sauce spraying unit disposed after a laver drying unit for removing moisture process abd spraying soy sauce to the laver where moisture removal is completed.
Patent KR-20170020167-A (KR)
Inventor: JO YEONG MAN
IPC: A23K1/10
Filed: 2015-08-14
Abstract: 본 발명은 해조류 부산물과 곤충을 이용한 어사료 제조방법에 관한 것으로, 구체적으로 해조류를 건조 및 분쇄한 해조류 분쇄물과 곤충의 성충 또는 애벌레를 저온진공건조하고 분쇄한 곤충 분쇄물을 혼합 및 성형함으로써 물고기의 폐사율을 줄일 수 있고 제조단가가 낮은 어사료를 제조하는 방법에 관한 것이다. 
본 발명에 따르면 낮은 비용으로도 폐사율을 줄일 수 있고 양식 어종의 빠른 성장을 유도할 수 있는 우수한 품질의 어사료를 제조할 수 있다. 특히 본 발명의 어사료 제조방법은 버려지는 해조류 부산물을 이용할 수 있어 제조단가를 낮추는 것 뿐만 아니라 해조류 부산물의 처리에 따른 환경오염문제에도 크게 기여할 수 있을 것이라 기대되며, 굼벵이 등 곤충원료를 저온진공건조할 때 부수적으로 발생하는 기름성분을 활용할 수도 있어 부가적인 수입을 창출할 수도 있을 것으로 기대된다.
Patent KR-20170021050-A (KR)
Inventor: JEONG JAE YUN
IPC: G06Q30/02
Filed: 2015-08-17
Abstract: Disclosed are a customer consulting service server and a service method thereof. According to the present invention, the customer consulting service server comprises: a civil complaint number generation unit for generating a civil complaint number when a civil complaint is received from a customer terminal; an agent terminal allocation unit for allocating a consulting terminal according to the generated civil complaint number; and a receiving transfer unit for transferring the received call or message to the consulting terminal when the call or the message is received from a customer terminal based on the civil complaint number.
Patent KR-20160076419-A (KR)
Inventor: HOSHIBA KOJI
IPC: H01M10/0587
Filed: 2015-08-20
Abstract: The present invention relates to an electrode winding device for a non-aqueous electrolyte rechargeable battery including: a band-shaped anode; a band-shaped cathode; a band-shaped porous membrane placed between the band-shaped anode and the band-shaped cathode; and an adhesion layer formed on a surface of the band-shaped porous membrane, in which the adhesion layer has: fluororesin-containing microparticles; and an adhesion layer binder carrying the fluororesin-containing microparticles and smaller in total volume than the fluororesin-containing microparticles, the adhesion layer binder includes at least one selected from the group consisting of an ionic insoluble binder, a non-ionic soluble binder, a non-ionic insoluble binder, and an ionic soluble binder or the adhesion layer binder includes at least one selected from the group consisting of the ionic soluble binder, the ionic insoluble binder, the non-ionic soluble binder, and the non-ionic insoluble binder, and the content of the ionic soluble binder is equal to or less than 2 wt% of the weight of the fluororesin-containing microparticles.
Patent KR-20160023591-A (KR)
Title: Anodes for use in biocompatible energization elements
Inventor: FLITSCH FREDERICK A
IPC: H01M10/04
Filed: 2015-08-20
Abstract: Disclosed are an anode preparation and a design used in a biocompatible power supply element. In some example, a usage field of the tool includes a random biocompatible apparatus or product needing a power supply element. A biocompatible battery comprises first and second current collectors; a cathode; an anode; and a laminar structure, wherein at least one layer of the laminar structure has a volume part removed to form a cavity, and the cavity stores an electrolyte solution, a separator, and the cathode. The anode comprises zinc, and the anode is placed on the first current collector, and the first current collector and the anode are sealed on the laminar structure.
Patent KR-20160027914-A (KR)
Title: Vending machine
Inventor: SHINAGAWA DAISUKE
IPC: G07F9/02
Filed: 2015-08-25
Abstract: The present invention provides a vending machine having a suspending structure which can change a holding location of a display board with respect to the width direction of a front panel. The vending machine (1) is formed at a rear side of a transparent front panel (7a) and has a display room for vending products (a product sample display room (7)), wherein the display room includes a display board (9) displaying information on the vending products and a display board holding member (10) having a suspending unit (11) which holds the display board (9). The display board holding member (10) is extended in the width direction of the front panel in the display room and the suspending unit (11) is installed at multiple areas spaced apart in the width direction of the front panel.
Patent KR-20170030936-A (KR)
Title: 차간거리 측정장치
Inventor: HEO OH CHEOL
IPC: B60W40/02
Filed: 2015-09-10
Abstract: 본 발명은 전방차량의 번호판폭, 전방차량이미지에서 인식된 차량폭 픽셀개수 및 번호판 픽셀개수를 통해 전방차량의 차량폭을 추정하여 전방차량과의 차간거리 정확도를 향상시킬 수 있는 차간거리 측정장치에 관한 것이다. 
본 발명의 실시예에 따르면, 차량의 전방에 위치하는 전방차량을 촬영하는 카메라와, 상기 차량의 위치를 수신하는 GPS 수신기와, 상기 카메라와 상기 GPS 수신기와 연결되는 전자제어유닛을 포함하는 차간거리 측정장치로서, 상기 전자제어유닛은 상기 카메라를 통하여 수신된 전방차량 이미지에서 인식된 상기 전방차량의 번호판 가로길이와 세로길이의 비율에 따라 판별된 번호판규격에 의거하여 결정되는 번호판폭, 상기 전방차량 이미지에서 인식된 차량폭 픽셀개수 및 상기 전방차량 이미지에서 인식된 번호판 픽셀개수를 이용하여 상기 전방차량의 차량폭을 추정하고 추정된 차량폭을 통해 상기 전방차량과의 차간거리를 산정하는 것을 특징으로 하는 차간거리 측정장치가 제공된다.
Patent KR-20170031914-A (KR)
Inventor: YOO YOON BONG
IPC: G06Q50/10
Filed: 2015-09-14
Abstract: The present invention relates to a discrimination method for relationship between locations, and a device applied to the same. The present invention checks path data from the moving history information of a terminal device to which the intention of a user is reflected, discriminates relationship between locations existing on the path data, and display the relationship between the discriminated locations on display data for displaying the path data, thereby enhancing the service satisfaction of the user.
Patent KR-20170037020-A (KR)
Title: Information Insert in 3D Structure and Non-Destructive Information Recognition Method
Inventor: SHIN CHOON SUNG
IPC: G01V15/00
Filed: 2015-09-25
Abstract: Provided is a method for inserting information and recognizing non-destructive information in a 3D structure. According to an embodiment of the present invention, a 3D printing method comprises generating a 3D marker with specific information to be inserted into a 3D structure, and printing the 3D marker in the 3D structure when printing the 3D structure. Accordingly, when printing the 3D structure by a 3D printer, the 3D marker in which information is recorded in the 3D structure is printed together so information forgery/alteration are actually impossible.
Patent KR-20170037304-A (KR)
Title: Electronic apparatus and connecting method
Inventor: YU CHANG GEUN
IPC: H04W88/02
Filed: 2015-09-25
Abstract: Disclosed is an electronic apparatus for performing wireless peer-to-peer (P2P) connection with an external device. The electronic apparatus comprises: a communications part; a microphone receiving a voice of a user; and a processor controlling the communications part to select the external device as an object device for wireless P2P connection if voice data received from the external device in a searching process of wireless P2P connection corresponds to voice data input through the microphone.
Patent KR-20160037118-A (KR)
Inventor: WON SUNG HWAN
IPC: H04W72/12
Filed: 2015-09-25
Abstract: The present disclosure relates to a communication scheme for the convergence of a 5G communication system for supporting a higher data transfer rate after a 4G system with the IoT technology and a system therefor. The present disclosure may be applied to intelligent services, for example, a smart home, a smart building, a smart city, a smart car or a connected car, health care, digital education, retail business, and security and safety-related service based on a 5G communication technology and IoT-related technology. More specifically, a method for controlling the congestion of broadcasting resources in a multi-cell/multicast coordination entity (MCE) according to the present invention comprises the steps of: receiving a message including congestion information related to a multimedia broadcast andmulticast service (MBMS) from a base station; determining a broadcasting service, to be controlled, based on the MBMS-related congestion information; and sending a scheduling message, including first control information related to the broadcasting service to be controlled, to the base station.
Patent KR-20170039047-A (KR)
Title: Optical Sheet Embedded Liquid Crystal Display
Inventor: EO YOON JUNG
IPC: G02F1/1335
Filed: 2015-09-30
Abstract: The present invention relates to a liquid crystal display device in which an optical film is embedded. The liquid crystal display device according to the present invention includes a liquid crystal display panel, an upper polarization plate, a lower polarization plate including a diffusion layer, an upper prism sheet and a lower prism sheet. The upper polarization plate is attached to the upper surface of the liquid crystal display panel and includes a first light transmission axis. The lower polarization plate including the diffusion layer is attached to the lower surface of the liquid crystal display panel and includes a second light transmission axis. The upper prism sheet is attached to the lower surface of the lower polarization plate including the diffusion layer and includes a first prism pattern and a second prism pattern which have different sizes. The lower prism sheet is arranged under the upper prism sheet. Accordingly, the present invention can provide an ultra thin liquid crystal display device without a diffusion film.