baber/WOPTO huggingface dataset:
Patent KR-20110091748-A (KR)
Inventor: IDEHARA YUICHI
IPC: H04N19/134
Filed: 2009-10-20
Abstract: 다이렉트 벡터 산출부(33)에 의해 예측된 다이렉트 벡터가 지시하는 화소 위치를 기점으로 하는 단위 영역이 화면 외부의 영역을 포함하는 경우, 당해 다이렉트 벡터를 가산 평균 대상의 벡터로부터 제외하는 다이렉트 벡터 판정부(34)와, 다이렉트 벡터 판정부(34)에 의해 가산 평균 대상의 벡터로부터 제외되지 않고 남아 있는 하나 이상의 다이렉트 벡터가 지시하는 화소 위치를 기점으로 하는 단위 영역의 화소값의 가산 평균을 취함으로써 움직임 보상 예측 화상을 생성하는 움직임 보상 예측 화상 생성부(35)를 마련한다.
Patent KR-20110110148-A (KR)
Inventor: SCHNEIDER MICHAEL
IPC: A63B59/04
Filed: 2010-01-07
Abstract: 본 발명은 운동기구(1), 특히, 탁구채 또는 골프채에 관한 것으로서, 핸들 영역 및 핸들 영역(200)에 연결된 충격 영역(100)을 포함하고, 충격 영역(100)은 적어도 부분적으로 열에 의해 변형된 목재로 구성된 운동기구(1)에 관한 것이다.
Patent KR-20110108370-A (KR)
Inventor: CHIN TOM
IPC: H04L27/26
Filed: 2009-12-17
Abstract: 직교 주파수-분할 멀티플렉싱(OFDM) 또는 직교 주파수 분할 다중 액세스(OFDMA) 프레임을 프로세싱하기 위한 방법들 및 장치가 제공된다.  기지국(BS)에서 OFDM 또는 OFDMA 프레임 내의 이들의 연관된 데이터의 배치에 연대순으로 대응하도록 DL 서브프레임의 DL-MAP 내의 DL-MAP 정보 엘리먼트(IE)들을 배치함으로써, 상기 프레임을 수신하는 사용자 단말은 DL-MAP IE들 모두가 파싱 및 디코딩될 때까지 대기할 필요없이 DL 서브프레임 내의 데이터 버스트들의 디코딩을 시작할 수 있다.  이러한 방식으로, 사용자 단말은 DL-MAP의 나머지 부분을 동시에 파싱하는 동안 데이터 버스트들을 디코딩할 수 있으며, 전체 프레임을 프로세싱하기 위한 시간은 감소될 수 있어, 프로세싱 속도가 증가할 수 있다.
Patent KR-20110098860-A (KR)
Inventor: TONCICH STANLEY S
IPC: H03H9/52
Filed: 2009-12-28
Abstract: 전압 제어 기기가 활성 상태일 때, 필터링 프로세스의 일부로서 신호를 미리 결정된 임피던스에 종속시키는 전압 제어 기기를 포함하는 제어 가능 필터 어레인지먼트가 제시된다. 비활성 상태에서, 전압 제어 기기는 신호를 신호의 모든 주파수를 통과하지 못하게 하는 임피던스로 종속시킬 수 있다. 이 구성은 종래의 필터 디자인들과 비교할 때, 유리하게 주파수 선택성을 증가시키고, 삽입 손실, 크기, 비용, 및 조정 복잡도를 낮출 수 있다.
Patent KR-20110100311-A (KR)
Inventor: LEUNG TAK W
IPC: C07C69/017
Filed: 2009-12-31
Abstract: 본 개시는 5-tert-부틸-3-메틸-1,2-페닐렌 디벤조에이트의 제조 및 그의 정제에 관한 것이다.  5-tert-부틸-3-메틸-1,2-페닐렌 디벤조에이트의 전구체를 위한 합성 경로가 제공된다.  상기 전구체는 5-tert-부틸-3-메틸카테콜이다.
Patent KR-20110128808-A (KR)
Inventor: KOYAMA YUJI
IPC: C09J175/04
Filed: 2010-02-10
Abstract: [과제] 광경화시킨 경우에, 높은 인장강도와 함께 광학 부재와 피착체를 안정적으로 접착할 수 있는 적당한 유연성을 발휘하고, 우수한 내구성을 발휘하는 광학 부재용 방사선 경화형 점착제 조성물을 제공하는 것. 
[해결수단] 소정의 (메타)아크릴계 공중합체 (A) 100중량부와, 소정의 방사선 경화성 아크릴계 화합물 (B) 2∼20중량부와, 소정의 방사선 경화성 아크릴계 화합물 (C) 3∼50중량부, 수소 인발형 광중합성 개시제 (D) 0.1∼10중량부와, 이소시아네이트계 가교제 (E) 0.01∼10중량부와, 실란 화합물 (F) 0.01∼3중량부를 포함하고, (B)의 배합량과, (C)의 배합량과의 합계량이 5∼60중량부인 것을 특징으로 하는 광학 부재용 방사선 경화형 점착제 조성물.
Patent KR-20110105008-A (KR)
Inventor: NAGAYAMA MORI
IPC: H01M4/13
Filed: 2010-02-19
Abstract: 본 발명의 축전 디바이스용 전극(10)은 텅스텐 산화물을 함유하는 파이버 및 위스커(1a) 중 적어도 어느 한쪽을 갖는 다공질층(1)을 구비한다.  그리고, 상기 파이버 및 위스커(1a)의 X선 광전자 분광 분석에 의한 가전자대 광전자 스펙트럼이 상기 텅스텐 산화물의 페르미 준위로부터 1eV 이내에 피크를 가진다.
Patent KR-20110113652-A (KR)
Inventor: WENDT ALAN C
IPC: E04B9/00
Filed: 2010-02-03
Abstract: 현수 천장의 노출된 에지를 따라 트림 부재를 장착하기 위한 L자형 클립은 격자 티에 종방향으로 고정되는 지지 레그, 및 트림 부재에 고정되는 수직의 면 레그를 포함한다. 지지 레그는 오프셋 티 벽들과 맞물리는 오프셋 클립 벽들, 및 티 접촉면들과 맞물리는 클립 접촉면들을 포함한다. 오프셋 벽들과 접촉면들은 협력하여 클립이 다양한 상대 높이에서 격자 티와 정렬되고 이에 장착되는 것을 용이하게 한다. 단일 클립이 T자형 격자 티 또는 개방 채널 격자 티에 장착될 수 있다.
Patent KR-20120022806-A (KR)
Inventor: NAKASHIMA TOORU
IPC: C09J4/02
Filed: 2010-04-15
Abstract: 피착체에 있어서의 요철면의 유무에 관계없이, 접합 시에는 높은 상태 접착력을 유지하면서, 접합부를 분리?해체할 때에는 가열에 의해 접착력이 저하하여, 쉽게 분리?해체할 수 있는 가열 팽창형 재박리성 아크릴계 점착 테이프에 있어서, 장시간, 고온 하에서 보존한 후에도 쉽게 분리?해체할 수 있는 가열 팽창형 재박리성 아크릴계 점착 테이프를 제공한다.  본 발명의 가열 팽창형 재박리성 아크릴계 점착 테이프 또는 시트는, 기포 혼합 미립자 함유 점탄성체의 적어도 편면에, 열팽창제 함유 점착제층을 갖는 가열 팽창형 재박리성 아크릴계 점착 테이프 또는 시트이며, 열팽창제가 열팽창성 미소구이며, 그 외각 물질의 유리 전이 온도가 92℃ 이상인 것을 특징으로 한다.
Patent KR-20130080083-A (KR)
Title: Communication terminal and information processing method
Inventor: PARK TAE HYUNG
IPC: G06F15/16
Filed: 2012-01-04
Abstract: PURPOSE: A mobile terminal and an information processing method thereof are provided to share an image making process through synchronization between mobile terminals. CONSTITUTION: A coordinate value processing unit (270) collects a coordinate value inputted by an input unit. The coordinate value processing unit analyzes the collected coordinate value. In case the collected coordinate value is recognized as a character, the coordinate value processing unit transmits the coordinate value through a communication unit. The coordinate value processing unit generates a figure according to the coordinate value received from the other mobile terminal. An output unit (230) displays the figure generated according to the coordinate value. [Reference numerals] (100) First communication terminal; (200) Control unit; (210) Communication unit; (220) Input unit; (230) Output unit; (240) Application drive unit; (250) Operation mode managing unit; (260) Register state confirming unit; (270) Coordinate value processing unit; (280) Storage unit
Patent KR-20130080175-A (KR)
Inventor: KOO JA HWA
IPC: E01F15/00
Filed: 2012-01-04
Abstract: PURPOSE: A guardrail structure with a reinforcing function is provided to prevent budget waste by simplifying an additional installation without replacing an existing guardrail and to reinforce the strength by elastically bending a guardrail structure. CONSTITUTION: A guardrail structure with a reinforcing function comprises a supporting column (110), a guardrail (120), a reinforcement bracket (130), and a reinforcement member. The reinforcement bracket is integrally and detachably mounted on one radial side of the top end of the supporting column. A side of the reinforcement bracket is formed with a shock-absorbing space for absorbing shocks applied in a collision with the guardrail. The wire type reinforcement member is extended to be parallel to the guardrail. The reinforcement member is detachably fixed in between the guardrail and the reinforcement bracket. The guardrail, the reinforcement member, and the reinforcement bracket are screwed to each other.
Patent KR-20130083625-A (KR)
Title: Self-aligning guide device for preventing derailment
Inventor: LEE YONG KIL
IPC: B61F9/00
Filed: 2012-01-13
Abstract: PURPOSE: An auto-aligning guide device for preventing derailment is provided to prevent the derailment of a bogie by automatic alignment, to prevent jamming between rails and rollers due to the deformation of the rails, and to minimize installation and maintenance time. CONSTITUTION: An auto-aligning guide device for preventing derailment comprises a fixed block (110), a fixed shaft (120), a rotary block (130), a first roller shaft (140), a second roller shaft, a third roller shaft (160), a fourth roller shaft, and first to fourth rollers. The fixed block is fixed on a bogie. The top of the fixed shaft is inserted in the fixed block, and the bottom thereof is protruded downward from the fixed block. The rotary block is rotationally inserted to the bottom of the fixed shaft to rotate on the fixed shaft. The top of the first and second roller shafts is fixed on one side of the rotary block, and the bottom thereof is protruded downward from the rotary block. The third and forth roller shafts are fixed on the other side of the rotary block corresponding to the first and second rotary roller shafts.
Patent KR-20130087914-A (KR)
Title: Thin film transistor
Inventor: CHOI SUNG HWAN
IPC: H01L29/786
Filed: 2012-01-30
Abstract: PURPOSE: A thin film transistor is provided to reduce the deterioration of a device by forming separated channels for decreasing the operating temperature and power of the device. CONSTITUTION: A gate electrode (120) is formed on one surface of a substrate (110). A gate insulating layer (130) is formed on the upper part of the substrate and covers the gate electrode. A semiconductor layer includes a channel region (140), a source region (150), and a drain region (160). The channel region is formed between the source region and the drain region. The channel region includes channels which are separated from each other. A passivation layer (170) covers a part of the semiconductor layer.
Patent KR-20130089115-A (KR)
Title: Semiconductor device having a heat slug
Inventor: LEE JUNG DO
IPC: H01L23/36
Filed: 2012-02-01
Abstract: PURPOSE: A semiconductor device having a heat spreader is provided to minimize the distortion of a mounting substrate due to temperature rise by using the heat spreader consisting of upper and lower metal layers which have different coefficients of thermal expansion. CONSTITUTION: A semiconductor chip (140) is formed on a mounting substrate (120). The mounting substrate includes solder balls (110) arranged in a grid pattern. A heat radiation material layer (160) covers the upper surface of the semiconductor chip. A heat radiation member (170) covers the heat radiation material layer and is adhered to the mounting substrate. The heat radiation member includes a lower metal layer (170a) having a first thermal coefficient of expansion and an upper metal layer (170b) having a second coefficient of thermal expansion.
Patent KR-20120089598-A (KR)
Title: Clamping chuck
Inventor: TAGLANG JOHANN
IPC: B23B31/11
Filed: 2012-02-02
Abstract: PURPOSE: A clamping chuck is provided to obtain clamping force without slip and inversion intervals when a direction of the cutting force is continuously changed. CONSTITUTION: The clamping chuck(1) comprises a longitudinal recess, a tip part(7), and a piston disc(8). The longitudinal recess is formed in a chuck body(3) along a rotary shaft(2). The longitudinal recess comprises a clamping sleeve(4). The tip part is detachably fixed inside the chuck body through a tip part support(6). The piston disc interlocks with the clamping sleeve. An outer surface of the clamping sleeve contacts with clamping levers(10). The clamping levers comprise a clamping jaw.
Patent KR-20130090506-A (KR)
Inventor: LEE KANG SOO
IPC: A23L2/72
Filed: 2012-02-06
Abstract: 신맛과 쓴맛이 강하여 과실 또는 과즙원액을 직접 먹을 수 없고, 희석하여도 맛의 기호도가 낮은 오미자 과즙에 오디 과즙을 17%내지 83%의 범위 내로 혼합하여 설탕을 전혀 첨가하지 않고 빨간색과 항산화성을 향상시킨 음료 및 주류의 원료 조성물
Patent KR-20120090853-A (KR)
Title: Moisture management sheet, gas diffusion sheet, membrane-electrode assembly and solid polymer fuel cell
Inventor: ITO TATSUNORI
IPC: H01M8/10
Filed: 2012-02-07
Abstract: PURPOSE: A water management sheet is provided to be used as a water management layer of a solid polymer type fuel cell because the sheet is an independent sheet which has excellent shape maintenance. CONSTITUTION: A water management sheet as an independent sheet, which is used by arranged to be nearby a catalyst layer, comprises an unwoven fabric containing conductive fiber which contains conductive particles inside a hydrophobic organic resin. The gas diffusion sheet, the membrane-electrode assembly, and the solid polymer type fuel cell comprises the water management sheet.
Patent KR-20130091044-A (KR)
Title: COMPOSITION FOR PREVENTING OR TREATING IMMUNE DISEASE COMPRISING J u n B INHIBITOR
Inventor: CHO MI LA
IPC: A61P37/00
Filed: 2012-02-07
Abstract: PURPOSE: A composition for prevention and treatment of an immune disease including an expression or activity inhibitor of JunB is provided to be used in manufacture of a medicine for treating various immune diseases that are caused by an abnormal immune control when expression or activity of JunB is inhibited. CONSTITUTION: A composition for prevention and treatment of an immune disease comprises at least one selected from the group consisting of an antisense nucleotide complementarily binding to mRNA of gene JunB, a short interfering RNA, a short hairpin RNA, and an antibody with respect to JunB protein. The gene JunB is formed of polynucleotides of SEQ ID NO:1. The polynucleotides of the SEQ ID NO: 1 code a polypeptide of SEQ ID NO:2.
Patent KR-20130091223-A (KR)
Title: Equipped with multi-function wings solar safety indicator
Inventor: JEONG JIN HO
IPC: E01F9/06
Filed: 2012-02-07
Abstract: PURPOSE: A solar-powered and multifunctional wind-equipped safety indicating lamp for a bicycle road, a trail, and a wooden fence is provided to apply a gradient to a wing latching protrusion at the outer top of a body and fill inside an uneven surface below the wing latching protrusion with a binder, thereby increasing a fastening force. CONSTITUTION: A solar-powered and multifunctional wind-equipped safety indicating lamp for a bicycle road, a trail, and a wooden fence comprises a cylindrical body and a wing fit into the body. A lens part and a latching protrusion are formed at the upper side of the body, and a protruding part is formed at the middle of the body. The wing having a size wider than the outer diameter of the protruding part is fit into the latching protrusion.
Patent KR-20130097249-A (KR)
Title: The building using principle of suspension bridges
Inventor: KIM TAE SEOP
IPC: E04B1/34
Filed: 2012-02-11
Abstract: PURPOSE: A building using the principle of suspension bridge is provided to form structures protruding from a span which is difficult to be built with a cantilever structure. CONSTITUTION: A building using the principle of suspension bridge comprises a main tower part (100), a single mid-air building part (200), a multi-mid-air building part (300), and a ground building part (400). The main tower part includes a main tower (101), a main tower beam (102), a main tower foundation (103), a main tower cable (104), and an anchor block (105). The single mid-air building part includes a single mid-air building framework (201), one or more single mid-air building cables (202), a single mid-air building hanger (203), a single mid-air building wire bracing (204), and a single mid-air building transparent slab (205). The single mid-air building part is fixed and supported by the main tower part. The multi-mid-air building part includes a multi-mid-air building part framework (301), a multi-mid-air building part cable (302), a multi-mid-air building part hanger (303), a multi-mid-air building part wire bracing (304), and a multi-mid-air building part transparent slab (305). The multi-mid-air building part is made of two or more single mid-air buildings to symmetrical to each other. The ground building part includes a ground building part framework (401) and a vertical core (402). The ground building part reaches the single mid-air building part or multi-mid-air building part through the vertical core.
Patent KR-20130096367-A (KR)
Title: Fermented insect's natural food comprising sericulture products and manufacturing method thereof
Inventor: SEOK YOUNG SEEK
IPC: A23K1/14
Filed: 2012-02-22
Abstract: PURPOSE: A production method of fermented insect natural feed is provided to improve the robustness and the feeding property of insects, and to store the feed for a long time. CONSTITUTION: 80-95 wt% of fermented mulberry liquid, 0.1-1 wt% of silkworm powder, 1-10 wt% of fermented mulberry leaf liquid, and 5-15 wt% of agar are mixed to obtain a mixture in a pH of 4-4.5. The mixture is heated at 40-60°C for 5-20 minutes, and sol is obtained at 0-5°C. The fermented mulberry liquid is obtained by the following steps: mixing mulberry and saccharide in a weight ratio of 1:0.3-0.7, crushing the mixture before filtering with a 0.1-1.0 mm filter, and firstly fermenting the mixture at 20-25°C for 3-5 days; filtering the firstly fermented product with a 0.01-0.05 mm filter, and secondly fermenting the mixture at 4-6°C for 2-4 months; and fermenting the secondly fermented product at 5-8°C for 2-4 months to obtain a thirdly fermented product with a pH of 4-4.5 before filtering with a 0.01-0.05 mm filter. [Reference numerals] (AA) Fermented mulberry liquid, silkworm powder, fermented mulberry leaf liquid, and agar; (BB) Mixing; (CC) Heating; (DD) Forming sol; (EE) Insect feed
Patent KR-20130099450-A (KR)
Title: Method for etching mram
Inventor: YEOM GEUN YOUNG
IPC: H01L27/115
Filed: 2012-02-29
Abstract: PURPOSE: A magnetic random access memory (MRAM) etching method etches an MRAM by combining multiple processes, thereby preventing redeposition. CONSTITUTION: An MRAM is made up of a magnetic tunnel resistance junction layer (20), a pinned layer (30), and a hard mask (40). The combination of etching gas is selected to generate volatile etch byproducts while etching the MRAM. A heating etching process is performed by heating a substrate of the MRAM. An etching process is performed by applying a pulse bias to the MRAM. The etching gas is one out of CO/NH3, CO/NO, CO2/H2, CH4/Ar, CxHy/H2/O2, and CH3OH.
Patent KR-20130103244-A (KR)
Title: Method and apparatus for position tracking between users
Inventor: KIM WON
IPC: H04W4/02
Filed: 2012-03-09
Abstract: PURPOSE: A location tracking method between users and an apparatus thereof are provided to provide the relative location of a user who permitted the location tracking among the users with a plurality of mobile communication terminal, in which a location tracking application is installed, with only the direction and distance information in a radar or compass type. CONSTITUTION: A location determination unit (420) determines the locations of a user and a tracking target user. A relative location analysis unit (430) receives the locations of the user and the tracking target user from the location determination unit. The relative location analysis unit calculates the relative location of the tracking target user as the relative location including the distance to relative direction of the relative location of the user. A location information display unit (440) displays the analyzed relative location on a mobile communication terminal of the user as the relative direction and relative distance based on the relative location of the user. [Reference numerals] (300) Repeater; (410) User information storage unit; (420) Location determination unit; (430) Relative location analysis unit; (440) Location information display unit
Patent KR-20130104797-A (KR)
Title: Method of manufacturing ni-coated nano- carbons
Inventor: JUNG SEUNG IL
IPC: C23C18/32
Filed: 2012-03-15
Abstract: PURPOSE: A production method of nickel coating nanocarbon is provided to produce nanocarbon with a metal coating in various shapes using a simple and convenient method applying the electrical property of the nanocarbon. CONSTITUTION: A production method of nickel coating nanocarbon comprises the following steps: washing nanocarbon by washing in a solvent or by oxidizing to remove foreign substances; dipping the nanocarbon in a solution containing Pd, to form activated Pd cores on the surface of the nanocarbon; processing the nanocarbon with strong acid; dipping the nanocarbon in an electroless nickel plating solution to form a nickel plating layer on the surface of the nanocarbon; and high-temperature heat processing the nanocarbon for crystallizing. [Reference numerals] (AA) Fiber type; (BB) Multiple Pd ions, low temperature, low pH; (CC) Scale type; (DD) Multiple Pd ions, high temperature, high pH; (EE) Globular type; (FF) Small quantity Pd ions, high temperature, high pH
Patent KR-20130130206-A (KR)
Title: Floating artificial island structure
Inventor: LEE YONG BOK
IPC: B63B35/44
Filed: 2012-03-26
Abstract: The present invention relates to the field of green engineering and, more particularly, to a underwater artificial eco-structure. The underwater artificial eco-structure comprises: a frame (10); and a floating part (20) which is installed in the frame (10) in order to float in the certain depth of the frame (10). The frame (10) comprises a plurality of vegetation parts (10a) which is formed to grow vegetation (30) under water and is compartmented.
Patent KR-20130110852-A (KR)
Title: System for analyzing story of cinematographic work based on estimating tension of user and method for thereof
Inventor: WOO JEONG GUEON
IPC: G06Q50/10
Filed: 2012-03-30
Abstract: PURPOSE: A video works story analysis system and method are provided to evaluate whether corresponding video works are a story or a scenario which is well-received by audiences or not and to analyze correlation between the story and a sensitive situation. CONSTITUTION: A story contents for video works is provided from a content providing unit (S1). The story contents which is provided from the content providing unit is displayed in a display unit (S2). A strain-relax sensitive situation of an appreciator who appreciates the story content which is displayed in the display unit is measured by a sensitive situation measuring unit (S3). The story contents which is provided from the content providing unit and the strain-relax sensitive situation which is measured in the sensitive situation measuring unit are analyzed in a story pattern analysis unit (S4). The story pattern analysis unit outputs a result which is analyzed in the story pattern analysis unit (S5). [Reference numerals] (AA) Start; (BB) End; (S1) Step of storing a story content for video works in a storage device; (S2) Step of playing the story content stored in the storage device in a playing device; (S3) Step of measuring a strain-relax sensitive situation of an appreciator appreciating the story content displayed in the display unit by a sensitive situation measuring unit; (S4) Step of comparing the measured strain-relax sensitive situation with the story content in a story pattern analysis unit; (S5) Step of displaying the analyzed result in an output device
Patent KR-20130111086-A (KR)
Title: Curtain control device
Inventor: KIM YOUNG HOON
IPC: A63J1/02
Filed: 2012-03-30
Abstract: PURPOSE: A stage curtain shape controller is provided to improve aesthetic sense by controlling the shape of curtain variously with a structure of partially elevating the curtain. CONSTITUTION: A stage curtain shape controller comprises: curtain (16) having a fixed area, and arranged to comprise multiple connecting rings (19) in a row vertically; wire (15) inserted to the connecting rings, and equipped with a weight plumb (17) at the bottom; an elevating motor (12) reeled with the wire to elevate the curtain; and a control unit (11) controlling individual or cooperate operation of the elevating motor.
Patent KR-20130036090-A (KR)
Title: A
Inventor: PARK KYUNG HEE
IPC: A43B5/16
Filed: 2012-04-05
Abstract: PURPOSE: A skating shoe is provided to apply a camber for directly mounting a roller without a camber for mounting the roller to be inclined. CONSTITUTION: A skating shoe includes a frictional part(10) and a roller(20). The frictional part is placed along the outside of the lower side of a shoe. The roller is placed along the inside of the lower side of the shoe. In walking, the shoe is erected so that the frictional part and the roller can be in contact with the ground. In skating, the shoe is inclined so that only the roller can be in contact with the ground. Therefore, the shoe is capable of preparing for uneven wear in walking and additionally preventing a slip.
Patent KR-20130117449-A (KR)
Title: Novel compound for organic light emitting device and organic light emitting device comprising the same
Inventor: PARK JUN HA
IPC: H01L51/50
Filed: 2012-04-17
Abstract: PURPOSE: An organic electroluminescence compound is provided to have excellent electrical characteristic, high electrical transport property, light-emitting ability, and high glass transition temperature, and prevent crystallization. CONSTITUTION: A compound is indicated as below chemical formula 1; R1 and R2 represent halogen, cyano, substitution or non-substitution C1-60 alkyl, a substitution or non-substitution C6-60 aryl, and substitution or non-substitution C3-60 heteroaryl or substitution or non-substitution C6-60 fused polycyclic group; R3 represents hydrogen, deuterium, halogen, cyano, substitution or non-substitution C6-60 aryl, and substitution or non-substitution C3-60 heteroaryl or substitution or non-substitution C6-60 fused polycyclic group; Ar1 and Ar2 represent substitution or non-substitution C6-60 aryl, and substitution or non-substitution C3-60 heteroaryl or substitution or non-substitution C6-60 fused polycyclic group. [Reference numerals] (AA) Second electrode; (BB) Electron transporting layer; (CC) Electron injecting layer; (DD) Emitting layer; (EE) Hole transporting layer; (FF) Hole injecting layer; (GG) First electrode