baber/WOPTO huggingface dataset:
Patent KR-20170094861-A (KR)
Title: 크로스 그루브 등속조인트
Inventor: KIM HYO JIN
IPC: F16D3/22
Filed: 2016-02-12
Abstract: 본 발명은 크로스 그루브 등속조인트에 대한 것으로서, 본 발명에 따른 크로스 그루브 등속조인트는 내면에 복수의 외측 그루브가 형성되는 외륜, 상기 외륜 내부에 수용되며 외면에 복수의 내측 그루브가 형성되는 내륜, 상기 외측 그루브와 상기 내측 그루브 사이의 공간에 수용되어 이동하며 상기 외륜과 상기 내륜 사이에서 힘을 전달하는 복수의 볼, 상기 외륜과 내륜 사이에 배치되며 상기 볼의 이탈을 방지하는 윈도우를 구비하는 케이지 및 상기 외륜의 전방과 후륜을 각각 감싸는 전방 커버와 후방커버를 구비하고, 상기 외륜의 외측 그루브에 형성되어 상기 볼의 이동 거리를 제한하는 단턱부를 구비하는 것을 특징으로 한다.
Patent KR-20170096429-A (KR)
Inventor: JEONG YEONG LOK
IPC: B62H3/08
Filed: 2016-02-16
Abstract: 본 발명은 자전거 보관대에 관련되는 기술로서, 구체적으로는 사용자의 편리성을 보장하고 보안특성을 강화하기 위해 핸드폰 앱을 이용하여 자전거 보관대에 장착된 락장치를 락 또는 언락시킬 수 있도록 하는 것으로서, 자전거 보관대; 상기 자전거 보관대의 전방부에 장착되며, 제어신호에 의해 락 또는 언락 동작되는 락장치; 각각의 상기 락장치에 마련되며, 무선통신을 통해 쌍방향으로 정보를 전달하는 무선통신모듈; 상기 무선통신모듈과 무선통신이 이루어지는 라우터; 공중망에 연결되며, 상기 라우터와 무선통신을 행하는 서버; 상기 서버와 연동되는 핸드폰 앱;을 포함하여 핸드폰 앱을 이용하여 상기 락장치를 제어하도록 하는 것을 특징으로 하는 핸드폰을 이용한 자전거제어시스템이다.
Patent KR-20170099649-A (KR)
Title: Valve for distributing refrigerant of refrigeration equipments
Inventor: CHAE HUI MYEONG
IPC: F25B41/00
Filed: 2016-02-24
Abstract: The present invention relates to a refrigerant branch valve for a refrigeration facility, applied to a refrigeration facility to branch a refrigerant. The present invention comprises: a valve main body having a plurality of branch pipes to be branched in the multiple directions; a refrigerant pipe connection unit coupled to at least one branch pipe; and a rotary nut coupled to at least one branch pipe.
Patent KR-20170102681-A (KR)
Title: Electronic device and operating method thereof
Inventor: CHOI SEUNG MIN
IPC: G06F3/16
Filed: 2016-03-02
Abstract: The present invention relates to an electronic device, which includes at least one sensor, a touch panel arranged to sense a touch input corresponding to the sensor, a display, and a processor, and an operating method thereof, wherein the processor checks an area where touch is sensed, checks the sensor corresponding to the area, displays a screen related to the function corresponding to the checked sensor, and controls a function corresponding to the checked sensor. It is also applicable to other embodiments. The present invention provides the electronic device capable of controlling various sensors by using the display.
Patent KR-20170109445-A (KR)
Title: Packing management apparatus using virtual port
Inventor: KIM JONG CHEOL
IPC: G06Q50/28
Filed: 2016-03-21
Abstract: The present invention relates to a product packing management apparatus using a virtual port. According to the present invention, a product inspection application and a packing monitoring application, which are separately implemented, can be used at the same time by using a virtual port, thereby managing product packing process more efficiently.
Patent KR-20170109952-A (KR)
Title: 짬뽕 국물의 제조방법 및 이를 이용한 짬뽕
Inventor: CHOI KUK YORNG
IPC: A23L27/10
Filed: 2016-03-22
Abstract: 본 발명은 짬뽕 국물의 제조방법 및 이를 이용한 짬뽕에 관한 것으로, 더욱 상세하게는 식용유, 들기름, 고춧가루, 땡초가루, 후춧가루를 혼합하여 양념장을 제조하는 단계와, 효모 추출물, 효모, 후춧가루, 소금 및 물을 혼합하여 액상 양념을 제조하는 단계와, 물, 황기, 헛개나무, 가시오가피, 건다시마, 사골농축액을 혼합하고 가열하여 육수를 제조하는 단계와, 해물 및 야채를 볶아준 후, 이에 상기 제조된 양념장, 액상 양념, 육수를 혼합하는 단계를 포함한다.  
본 발명에 의하면, 별도의 화학조미료를 사용하지 않더라도 천연조미료인 효모 추출물과 효모를 통해 우수한 풍미를 나타내며, 각종 한약재의 사용으로 국물의 느끼한 맛이 없고, 건강에 유익한 유효성분이 다량 함유될 뿐 아니라, 특유의 담백하고, 얼큰한 풍미로 인해 남녀노소 누구에게나 기호도가 높은 장점이 있다. 또한, 파슬리 잎, 검은 깨, 알칼리 이온수 등을 이용하여 면을 제조함으로써, 면의 식감 및 맛 역시 개선하는 장점이 있다.
Patent KR-20170112707-A (KR)
Inventor: JUNG SUNG KIL
IPC: G06Q10/10
Filed: 2016-04-01
Abstract: 본 발명은 친구찾기 앱을 다운로드 받아 설치하고 스케줄부가서비스를 활성화 상태로 운용하는 이동통신용 단말기에서 일 단위의 해당 스케줄에 이동 지역정보를 입력하는 경우 해당 지역에 거주하고 위치정보 검색을 허용한 지인의 목록이 표시되도록 관리하므로 특정 지역에서 지인 중 업무상 도움을 줄 수 있는 지인을 빠르게 찾으며 타지역에서 위급한 상황에 처한 경우 친분이 있는 현지 지인을 통하여 해결하도록 협조 요청할 수 있는 스케줄부가서비스와 앱이 설치된 단말기를 이용한 지인 찾기 시스템 및 그 운용방법에 관한 것으로 각 기지국의 서비스 영역 안에 위치하는 단말기의 요청에 의하여 지정된 상대방과의 통신경로를 설정 제공하고 현재 위치를 실시간 확인하며 이동통신 시스템의 전체 운용을 제어하고 관리하는 이동교환국; 기지국이 형성하는 서비스 영역 안을 자유롭게 이동하면서 무선접속하고 지정된 상대방과 언제 어디서나 즉시 통신을 진행하며 지인찾기앱을 다운로드 받아 설치 운용하는 단말기; 단말기의 거주지정보가 포함되는 가입자신상정보를 제 1 단위 프레임으로 포맷하여 할당된 영역에 기록 저장하고 이동교환국의 요청에 의하여 제공하는 가입자정보서버 및 단말기의 위치정보를 무선접속된 해당 기지국 기반으로 실시간 확인하여 관리하는 위치정보서버를 포함하는 특징이 있다.
Patent KR-20170114773-A (KR)
Inventor: KIM MEE KYUNG
IPC: A61K36/31
Filed: 2016-04-06
Abstract: 본 발명은 브로콜리 추출물을 포함하는 항염증용 조성물을 제공한다. 
본 발명의 브로콜리 추출물을 포함하는 조성물은, 항산화, 항균활성 및 항염증 활성이 높게 나타나므로, 항염증용 조성물 또는 피부염증 완화용 화장료 조성물로 유용하게 사용될 수 있다.
Patent KR-20170116341-A (KR)
Title: 호두분말이 함유된 소시지 및 그 제조방법
Inventor: YOO DONG SIK
IPC: A23L27/00
Filed: 2016-04-11
Abstract: 본 발명은 전(前)처리된 호두 분말을 첨가하여 호두 소시지를 제조하는 방법에 관한 것으로 이를 위하여 제 1단계는 제1혼합물(돈육, 돈지방, 후추, 다진 마늘, 생강, 양파, 고추)과 제2혼합물(허브솔트, 탈지분유, 바질, 정백당, 물, 대두전분, 홍삼 분말, 시즈닝) 혼합 단계, 제 2단계는 혼합된 혼합물을 숙성하는 단계, 제 3단계는 숙성된 혼합물과 전(前)처리된 호두 분말을  혼합하는 단계,  제 4단계는 제조된 소시지를 성형하는 단계, 제 5단계는 살균 및 냉각 단계 ,제6단계는 절단, 포장 및 제품단계를 포함하여 이루어지는 기능성과 소비자의 기호도 및 품질이 향상된 고(高)부가가치의 호두분말이  함유된 소시지 및 그 제조방법에 관한 것이다
Patent KR-20170116848-A (KR)
Title: 냉장고 및 냉장고의 제조 방법
Inventor: KIM BO YOUNG
IPC: C23C14/24
Filed: 2016-04-12
Abstract: 냉장고 및 냉장고의 제조 방법이 개시된다. 
본 발명의 실시예에 따른 냉장고는 저장공간이 마련된 본체, 상기 저장공간이 개폐되도록 상기 본체에 설치되는 도어 및 상기 도어의 전면의 적어도 일부를 커버하는 유리필름부재를 포함하며, 상기 유리필름부재는, 유리패널, 상기 유리패널 상에 점착되는 보호층 및 상기 보호층 상에 접착되는 필름부재를 포함하고, 상기 필름부재는, 하면에 패턴이 형성된 투명필름층, 상기 투명필름층의 상기 패턴에 충진되면서 증착되는 금속증착층 및 상기 투명필름층 상에 코팅되는 코팅층을 포함한다.
Patent KR-20170117841-A (KR)
Title: 돌분말과 숯분말로부터 얻은 정제수를 이용한 아토피 피부염 개선 또는 치료용 조성물
Inventor: LEE BYUNG SEONG
IPC: A61K36/07
Filed: 2016-04-14
Abstract: 본 발명은 아토피 피부염 개선 또는 치료용 조성물에 관한 것으로, 보다 상세하게는 천연재료인 광물과 식물 추출물을 이용하여 과민성 반응을 억제하고, 피부 알레르기 및 친환경성에 따른 피부 진정효과에 따른 아토피 피부염 개선효과를 증대시킨 생광석분말과 숯분말로부터 얻은 정제수를 이용한 아토피 피부염 개선 또는 치료용 조성물에 관한 것이다.
Patent KR-20170118568-A (KR)
Title: 플렉시블 자가발전장치
Inventor: KIM DOO RI
IPC: H02K5/04
Filed: 2016-04-15
Abstract: 본 발명은 플렉시블 자가발전장치에 관한 것으로서, 더욱 상세하게는, 가요성을 가지고 있어서 인체나 움직이는 물체에 용이하게 착용하거나 설치하여 전기를 발전할 수 있고, 별도의 구동자석부재를 구비하지 않고 전원발생부의 움직임만으로도 전기를 발전할 수 있으며, 소음을 방지할 수 있고, 마모, 손상 및 변형을 유발하지 않으면서 안전하게 사용할 수 있는 플렉시블 자가발전장치에 관한 것이다. 
본 발명에 따른 플렉시블 자가발전장치는 영구자석으로 구성되는 요동자; 상기 요동자의 수용을 위한 수용공간이 형성된 케이스; 및 상기 요동자의 움직임에 따른 전자기유도작용으로 기전력을 생성하도록 배치되는 유도코일부재를 포함하고, 상기 케이스는 외력의 인가시에 대응하여 변형되고 외력의 해제시에 복귀 되도록 가요성통체로 형성된 것을 특징으로 한다.
Patent KR-20160134541-A (KR)
Title: Methods for increasing the rate of electrochemical deposition
Inventor: BERGMAN ERIC J
IPC: C25D17/00
Filed: 2016-05-12
Abstract: A method for electrochemically processing a micro-feature workpiece comprises: a step of bringing a first surface of the micro-feature workpiece into contact with a plating electrolyte in a plating chamber, wherein the plating electrolyte includes at least one metal ion; a step of moving the plating electrolyte from a first plating electrolyte inlet at a first end of the workpiece to a second plating electrolyte outlet at a second end of the workpiece across a center point of the workpiece; and a step of electrochemically depositing at least one metal ion onto the first surface of the workpiece. Another method for electrochemically processing a micro-feature workpiece comprises: a step of bringing the first surface of the micro-feature workpiece into contact with a plating electrolyte having at least one metal ion; a step of using a heating method to heat the second surface of the workpiece; and a step of electrochemically depositing at least one metal ion onto the first surface of the workpiece.
Patent KR-20170128953-A (KR)
Inventor: KOO JA CHUN
IPC: F42C15/40
Filed: 2016-05-16
Abstract: The present invention relates to a ballistic analysis method and apparatus for an aerial explosive. According to the present invention, the ballistic analysis method for an aerial explosion which is exploded when the revolutions per minute reaches a predetermined reference value of the revolutions per minute, wherein the method includes: receiving a rotation detection signal for an airborne aerial explosive; converting the rotation detection signal into a digital rotation detection signal; determining whether the digital rotation detection signal is normal by analyzing the digital rotation detection signal; and blocking an operation of a fuse for the aerial explosive when it is determined that the digital rotation detection signal is abnormal.
Patent KR-20170133932-A (KR)
Inventor: PARK JONG NAM
IPC: G06Q30/04
Filed: 2016-05-27
Abstract: The present invention relates to a subway fee discounting system. According to an embodiment of the present invention, the subway fee discounting system includes: a subway transportation card charger; and one or more user mobile terminals owned by subway passengers. In cooperation with stores and affiliates around subway stations, a manager information processing device in the system provides the subway station proximity affiliate information to a mobile app. The mobile terminal provides the subway station proximity affiliate information to the mobile app while receiving the intention of users visiting the affiliates around subway stations in order to verify whether the corresponding affiliates is affiliates around the subway stations on the mobile app with electronic information received when actual user trading operations on the affiliates. When the corresponding affiliates receive the visit intention of the user, the trading operation count of the user is added and accumulated to apply a discounted fee of the subway fee when the trading operation count exceeds a preset number on a real-time basis. The calculated and discounted subway fee is transmitted to the subway transportation card charger when charging the subway transportation card. The subway transportation card charger charges the discounted subway fee to the subway transportation card on the mobile app linked thereto. The subway passengers under 65 years old, who are charged more due to the the elderly over 65 years old using the subway, can be compensated by the affiliates around the subway stations.
Patent KR-20170137258-A (KR)
Inventor: KIM DONG CHAN
IPC: H01L51/00
Filed: 2016-06-02
Abstract: Disclosed is a light emitting element with high quality. The light emitting element comprises a first electrode, a second electrode, a light emitting layer, a hole transport area, and an electron transport area.
Patent KR-20170137287-A (KR)
Inventor: KIM JUN HO
IPC: H01L31/0224
Filed: 2016-06-03
Abstract: The present invention relates to a perovskite solar cell. The perovskite solar cell according to an embodiment of the present invention includes: a substrate (10); a composite transparent electrode (20) which includes a metal layer (21) and a pair of oxide layers (23,25) formed on the upper and lower sides of the metal layer (21) one by one, and is arranged on the upper side of the substrate (10); and a photoactive layer (40) which is formed on the upper side of the composite transparent electrode (20) and includes perovskite. Accordingly, the present invention can reduce manufacturing costs and mass-produce flexible solar cells by not requiring a high temperature treatment process.
Patent KR-20170137312-A (KR)
Inventor: MOON KYUNG JUN
IPC: H01R13/717
Filed: 2016-06-03
Abstract: The purpose of the present invention is to provide a micro-USB OTG cable. The micro-USB OTG cable comprises: a cable (12); and a pair of plug assemblies (20) provided at both ends of the cable (12). The plug assemblies (20) comprise: a printed circuit board (21) realizing an OTG circuit electrically connected to the cable (12); a light source (22) mounted on the printed circuit board (21); a plug (23) connected to the printed circuit board (21); a first molding (24) which transmits light, protects the printed circuit board (21) and the light source (22), and exposes a part of the plug (23) to the front end thereof; and a second molding (25) including a light transmitting portion (25W) surrounding the first molding (24) and transmitting light generated from the light source (22) to the outside so that a part of the front end of the first molding (24) is exposed to the outside.
Patent KR-20170138869-A (KR)
Inventor: KIM CHA KYUM
IPC: G06F3/01
Filed: 2016-06-08
Abstract: Provided are a portable device having a plurality of touch screens and a method for controlling the portable device having the plurality of touch screens. More specifically, the portable device having the plurality of touch screens includes the plurality of touch screens which are connected by one of a hinge and a flexible printed circuit board; and detects touch inputted through a back side touch screen in an off state in the portable device of an open state. According to a part of disclosed embodiments, provided are the portable device having the plurality of touch screens capable of controlling the front side touch screen with a touch inputted through the back side touch screen in an off state, wherein, among the plurality of touch screens connected by one of a hinge or a flexible printed circuit board, the front touch screen is in an on state and the back side touch screen is in an off state, and the method for controlling the portable device having the plurality of touch screens. The portable device comprises a first housing, a second housing, a sensor, and a controlling unit.
Patent KR-20170140705-A (KR)
Inventor: PARK CHAN HEUM
IPC: G06Q50/22
Filed: 2016-06-13
Abstract: Disclosed are a cognitive ability rehabilitation training system using an association card game and a method for the same. The cognitive ability rehabilitation training system using the association card game comprises: a rehabilitation training game providing server providing the association card game for rehabilitation training of cognitive ability; a leap motion sensor sensing a hand motion of a user on a three-dimensional space and generating and transmitting an input signal in accordance with the hand motion sensed; and a user terminal executing the association card game by downloading the association card game provided from the rehabilitation training game providing server and executing the association card game executed in accordance with the received input signal by receiving the input signal from the leap motion sensor. According to the present invention, the cognitive ability rehabilitation training system using the association card game can perform the rehabilitation training of the cognitive ability without help of others or a rehabilitation expert anytime at a home or in a nursing home by remotely providing the association card game. Specifically, the cognitive ability rehabilitation training system automatically searches and edits content of an association card on a website. So, the cognitive ability rehabilitation training system can provide a new exciting element for rehabilitation of the cognitive ability by diversifying the content to improve the cognitive ability. Also, the cognitive ability rehabilitation training system can provide a timely rehabilitation training program by leveling up the difficulty of the association card game by automatically evaluating improvement of the cognitive ability of the user.
Patent KR-20180000119-A (KR)
Inventor: LEE JI HOON
IPC: F16L55/1645
Filed: 2016-06-22
Abstract: The present invention relates to an apparatus for repairing a T-shaped pipe, capable of accurately repairing a damaged portion of a pipe connection portion by being inserted into a T-shaped pipe with a branch pipe connected to a main pipe. The apparatus for repairing a T-shaped pipe of the present invention comprises: a cylindrical main structure; a pair of installation rings coupled to the cylindrical main structure by being spaced apart from each other at regular intervals, and installed thereon; a driving wheel portion installed to be able to move in a sliding manner from a center to the outside or from the outside to the center, on the pair of installation rings; a wheel moving portion installed by connecting the main structure with the driving wheel portion, and moving the driving wheel portion to the outside or to the center; a rotation portion installed on a front end of the main structure to be able to rotate; a mortar injection portion vertically installed on the rotation portion, and injecting mortar for repair; and a blocking space forming portion coupled to a front end of the mortar injection portion to be installed thereon, and forming a blocking space on a portion to which the mortar for repair is to be injected.
Patent KR-20180000449-A (KR)
Inventor: SON SEUNG KIL
IPC: H01M8/124
Filed: 2016-06-23
Abstract: The present invention provides a solid oxide fuel cell system including a metal coating layer, capable of preventing chrome volatilization and oxidization, which are caused by high temperatures, by forming a metal coating layer, which has excellent durability to high temperatures, on the surfaces of pipes and components placed in a high temperature box of a solid oxide fuel cell system. To achieve the purpose, the present invention includes: a high temperature box; a burner, a heat exchanger, and a stack placed in the high temperature box; a plurality of pipes functioning as passages between the burner, the heat exchanger, and the stack; and a metal coating layer formed on the surfaces of the burner, the heat exchanger, or the pipes to prevent oxidization or chrome volatilization due to high temperatures.
Patent KR-20180000599-A (KR)
Inventor: KIM JANG SEOB
IPC: C03C15/00
Filed: 2016-06-23
Abstract: The present invention relates to an etching composition for manufacturing anti-glare glass, and more specifically, the present invention provides anti-glare glass which can prevent glare when the glass surface is treated with the composition. The etching composition for manufacturing anti-glare glass comprises: a fluorinated compound; a thickener; a moisturizer; and the remainder consisting of water, wherein the fluorinated compound contains a liquid fluoride compound and a powdery fluoride compound in a weight ratio of 50 : 1 to 20 : 1.
Patent KR-20180001385-A (KR)
Inventor: KIM JOON SEOK
IPC: H04W4/02
Filed: 2016-06-27
Abstract: The present invention relates to an integrated management method for underground pipe information and a system thereof capable of effectively accumulating and managing construction information on the underground pipe by using a portable terminal and integrally monitoring and managing a wide range of underground pipe information based on the construction information. According to the present invention, the integrated management method for the underground pipe information includes: a pipe network information collecting step where the information on the construction of the pipes (hereinafter referred to as pipe network information) is collected through a portable terminal; a pipe network information processing step where the pipe network information collected by the portable terminal is processed by a management server; a pipe network information managing step where the pipe network information processed and stored in the pipe network information processing step is managed by the management sever; and an event information transmitting step where, in response to the occurrence of an event on a pipe included in the pipe network information, the management server transmits information on the event to an integration server.
Patent KR-20180007063-A (KR)
Inventor: AN JUN SUK
IPC: G08B27/00
Filed: 2016-07-11
Abstract: The present invention includes the steps of: enabling a financial server to determine whether or not a precondition event required for financial service provision is generated; enabling the financial server to determine whether or not a financial service provided through the precondition event is included in at least one of a preset financial service blocking list when the precondition event occurs; and enabling the financial server to notify a fact of the financial service occurrence to a preregistered user through a user terminal if the financial service is included in the financial service blocking list. Accordingly, the present invention can previously prevent a financial accident due to a third party.
Patent KR-20160089317-A (KR)
Inventor: SAMARDZIJA MIROSLAV
IPC: H01Q7/00
Filed: 2016-07-18
Abstract: The purpose of the present invention is to provide an improved wireless communication circuit to a wireless electronic device. The electronic device may include a display. A display cover layer and an inner transparent display member can be overlapped with a display pixel layer. The display pixel layer can include an array of display pixels to display an image for a user. A touch sensor layer is inserted between the display pixel layer and the transparent display member. A ferromagnetism shielding layer can be mounted under the display pixel layer. A flexible printed circuit including coils of a metal signal line to form a near-field communication roof antenna is inserted between the ferromagnetism shielding layer and the display pixel layer. A non-near-field antenna such as an inverse-F antenna and the like can include a resonant element mounted on an inner surface of the display cover layer. The resonant element is inserted between the transparent display member and the display cover layer.
Patent KR-20160088843-A (KR)
Inventor: MOON SU KYUNG
IPC: G06Q50/10
Filed: 2016-07-18
Abstract: Provided are a method, a device and a game server for providing a premium item. According to an embodiment of the present invention, the method is configured to provide a cash item to a user account in response to a cash item request, corresponding to a premium item during an effective time period pre-determined by the user account. According to the present invention, the method comprises: a step of a request signal; and a step of providing the cash item to the user account.
Patent KR-20180011974-A (KR)
Inventor: LIM YOUNG HO
IPC: A22C25/04
Filed: 2016-07-26
Abstract: The present invention relates to a crab de-shelling apparatus capable of removing gills conveniently. Specifically, the crab de-shelling apparatus sprays high-pressure water to crabs from which the dorsal and ventral shells have been removed to thereby remove gills rapidly and conveniently, and thus can minimize the man hour required for a manual gill removal operation, operation failure rate, and loss of crab meat that occurs during the operation; and comprises a space unit of a partition housing that guides the sprayed high-pressure water to descend, and thus allows the removed gills to be smoothly collected. According to the present invention, the crab de-shelling apparatus comprises: a transport unit which transports a crab; a de-shelling unit which removes the dorsal shell of the crab to be transported on the transport unit; spray nozzle units which are disposed on both sides of the rear of the de-shelling unit to spray high-pressure water and remove the gills of the crab that are exposed once the dorsal shell is removed by the de-shelling unit; and a partition housing which includes a space unit with an open bottom, and separates and partitions between the spray nozzle units disposed on both sides so as to prevent the high-pressure water sprayed by the spray nozzle units from both sides from interfering with each other.
Patent KR-20180012900-A (KR)
Inventor: LEE SE EUNG
IPC: G09G3/20
Filed: 2016-07-27
Abstract: The present invention provides a display device which includes a display panel, a data driving part, and a multiplexer circuit. The display panel has a low temperature polysilicon thin film transistor. The data driving part supplies data signals through the data lines arranged on the display panel. The multiplexer circuit is disposed between the data lines and the output channel of the data driving part and is turned on and off in response to selection signals supplied from the outside. The multiplexer circuit includes first to Mth (M is an integer of 2 or more) switching transistors connected to each channel of the data driving parts. The latest switching transistor that is turned on among the first to Mth (M is an integer of 2 or more) switching transistors has the longest turn-on time. Display quality can be improved.