IN2012DN03383A - - Google Patents
Info
- Publication number
- IN2012DN03383A IN2012DN03383A IN3383DEN2012A IN2012DN03383A IN 2012DN03383 A IN2012DN03383 A IN 2012DN03383A IN 3383DEN2012 A IN3383DEN2012 A IN 3383DEN2012A IN 2012DN03383 A IN2012DN03383 A IN 2012DN03383A
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent materials, e.g. electroluminescent or chemiluminescent
- C09K11/06—Luminescent materials, e.g. electroluminescent or chemiluminescent containing organic luminescent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
- C08G61/123—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds
- C08G61/126—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds with a five-membered ring containing one sulfur atom in the ring
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/141—Organic polymers or oligomers comprising aliphatic or olefinic chains, e.g. poly N-vinylcarbazol, PVC or PTFE
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/626—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/655—Aromatic compounds comprising a hetero atom comprising only sulfur as heteroatom
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6576—Polycyclic condensed heteroaromatic hydrocarbons comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/14—Side-groups
- C08G2261/141—Side-chains having aliphatic units
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/16—End groups
- C08G2261/164—End groups comprising organic end groups
- C08G2261/1642—End groups comprising organic end groups comprising reactive double bonds or triple bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/16—End groups
- C08G2261/164—End groups comprising organic end groups
- C08G2261/1644—End groups comprising organic end groups comprising other functional groups, e.g. OH groups, NH groups, COOH groups or boronic acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/22—Molecular weight
- C08G2261/226—Oligomers, i.e. up to 10 repeat units
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/32—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain
- C08G2261/324—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain condensed
- C08G2261/3241—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain condensed containing one or more nitrogen atoms as the only heteroatom, e.g. carbazole
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/32—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain
- C08G2261/324—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain condensed
- C08G2261/3243—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain condensed containing one or more sulfur atoms as the only heteroatom, e.g. benzothiophene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/50—Physical properties
- C08G2261/52—Luminescence
- C08G2261/522—Luminescence fluorescent
- C08G2261/5222—Luminescence fluorescent electrofluorescent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
- C09K2211/1416—Condensed systems
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
- C09K2211/1425—Non-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1441—Heterocyclic
- C09K2211/1458—Heterocyclic containing sulfur as the only heteroatom
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1441—Heterocyclic
- C09K2211/1466—Heterocyclic containing nitrogen as the only heteroatom
Landscapes
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Electroluminescent Light Sources (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0917087A GB0917087D0 (en) | 2009-09-30 | 2009-09-30 | Electroluminescent materials |
| PCT/GB2010/001817 WO2011039505A1 (en) | 2009-09-30 | 2010-09-29 | Electroluminescent thiophene derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2012DN03383A true IN2012DN03383A (en) | 2015-10-23 |
Family
ID=41350558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN3383DEN2012 IN2012DN03383A (en) | 2009-09-30 | 2012-04-18 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9006435B2 (en) |
| EP (1) | EP2483367B1 (en) |
| JP (1) | JP2013506646A (en) |
| KR (1) | KR101879880B1 (en) |
| CN (1) | CN102666779A (en) |
| ES (1) | ES2556240T3 (en) |
| GB (1) | GB0917087D0 (en) |
| IN (1) | IN2012DN03383A (en) |
| PL (1) | PL2483367T3 (en) |
| WO (1) | WO2011039505A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2456298A (en) | 2008-01-07 | 2009-07-15 | Anthony Ian Newman | Electroluminescent materials comprising oxidation resistant fluorenes |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3710889A1 (en) | 1987-04-01 | 1988-10-20 | Merck Patent Gmbh | PYRROLO (1.2-B) AZINE |
| US5834100A (en) | 1996-06-25 | 1998-11-10 | Northwestern University | Organic light-emitting dioddes and methods for assembly and emission control |
| JP4115056B2 (en) | 1999-12-13 | 2008-07-09 | キヤノン株式会社 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus |
| JP2002040686A (en) | 2000-07-24 | 2002-02-06 | Canon Inc | Electrophotographic photosensitive member, process cartridge having the electrophotographic photosensitive member, and electrophotographic apparatus |
| US20030021913A1 (en) | 2001-07-03 | 2003-01-30 | O'neill Mary | Liquid crystal alignment layer |
| US7118787B2 (en) | 2001-06-29 | 2006-10-10 | University Of Hull | Liquid crystal alignment layer |
| US6830831B2 (en) | 2001-06-29 | 2004-12-14 | University Of Hull | Light emitter for a display |
| DE60305570T2 (en) * | 2002-04-24 | 2007-05-03 | Merck Patent Gmbh | Reactive mesogenic benzodithiophenes |
| TWI280973B (en) | 2002-08-28 | 2007-05-11 | Sumitomo Chemical Co | Polymer compound and polymer light-emitting device using the same |
| GB0226010D0 (en) | 2002-11-08 | 2002-12-18 | Cambridge Display Tech Ltd | Polymers for use in organic electroluminescent devices |
| JP2004212959A (en) | 2002-12-17 | 2004-07-29 | Canon Inc | Electrophotographic photoreceptor, electrophotographic apparatus and process cartridge |
| WO2004085515A1 (en) | 2003-02-25 | 2004-10-07 | Sharp Kabushiki Kaisha | Functional organic thin film, organic thin-film transistor, pi-electron conjugated molecule-containing silicon compound, and methods of forming them |
| EP1622955A2 (en) | 2003-04-09 | 2006-02-08 | ZLX Techno Ltd. | Crosslinkable materials for organic light emitting devices and methods |
| DE10329247A1 (en) | 2003-06-24 | 2005-01-27 | Infineon Technologies Ag | A compound for forming a self-assembling monolayer, a layered structure, a semiconductor device and a method for producing a layered structure |
| KR101157681B1 (en) * | 2003-09-12 | 2012-06-20 | 스미또모 가가꾸 가부시키가이샤 | Luminescent Material and Luminescent Element Comprising the Same |
| US20050146263A1 (en) | 2003-09-25 | 2005-07-07 | Kelly Stephen M. | Lighting elements, devices and methods |
| WO2005034184A2 (en) | 2003-09-25 | 2005-04-14 | Kelly Stephen M | Lighting elements, devices and methods |
| KR20070024464A (en) | 2003-12-10 | 2007-03-02 | 노쓰웨스턴유니버시티 | Hole Transport Layer Compositions and Related Diode Devices |
| JP2005206750A (en) | 2004-01-26 | 2005-08-04 | Konica Minolta Holdings Inc | Organic semiconductor materials, organic transistors, field effect transistors, switching elements, and 5-membered heterocyclic compounds |
| GB0407661D0 (en) | 2004-04-03 | 2004-05-05 | Univ Hull | Liquid crystalline interpenetrating polymer networks |
| WO2005117157A1 (en) | 2004-05-27 | 2005-12-08 | Sharp Kabushiki Kaisha | Organic compound having at both ends different functional groups differing in reactivity in elimination reaction, organic thin films, organic device, and processes for producing these |
| EP1753768A1 (en) | 2004-06-09 | 2007-02-21 | Merck Patent GmbH | POLYMERISABLE THIENO¬3,2-b|THIOPHENES |
| US20060114370A1 (en) | 2004-11-29 | 2006-06-01 | Peterson Charles M | Color display device and method |
| US7440044B2 (en) | 2004-11-29 | 2008-10-21 | Arisawa Manufacturing Co., Ltd. | Color display device and method |
| WO2006060294A2 (en) | 2004-11-30 | 2006-06-08 | Kelly Stephen M | Blue emissive oled materials |
| JPWO2006062078A1 (en) | 2004-12-08 | 2008-06-12 | 出光興産株式会社 | Organic electroluminescence device |
| ATE465166T1 (en) | 2005-06-09 | 2010-05-15 | Merck Patent Gmbh | MONOMERS, OLIGOMERS AND POLYMERS OF THIENO Ä3,4- DÜ THIAZOLE |
| WO2007064721A2 (en) | 2005-11-30 | 2007-06-07 | Aldred Matthew P | Lighting elements, devices and methods |
| KR101215758B1 (en) * | 2006-01-17 | 2012-12-26 | 삼성전자주식회사 | NPN-type Low Molecular Aromatic Ring Compound, and Organic Semiconductor and Electronic Device using the Same |
| CN101085916B (en) | 2006-06-09 | 2012-06-06 | 东莞宏威数码机械有限公司 | Organic electroluminescence or charge transmission material containing olefine acid ester side group and synthesis thereof |
| JP5504585B2 (en) | 2007-06-29 | 2014-05-28 | 住友化学株式会社 | Polymerizable compound and optical film |
| JP2009124064A (en) * | 2007-11-19 | 2009-06-04 | Konica Minolta Holdings Inc | Organic semiconductor thin film, organic thin film transistor, and method of manufacturing organic thin film transistor |
| GB2456298A (en) | 2008-01-07 | 2009-07-15 | Anthony Ian Newman | Electroluminescent materials comprising oxidation resistant fluorenes |
| GB0802916D0 (en) | 2008-02-18 | 2008-03-26 | Newman Anthony I | Materials |
-
2009
- 2009-09-30 GB GB0917087A patent/GB0917087D0/en not_active Ceased
-
2010
- 2010-09-29 ES ES10773131.7T patent/ES2556240T3/en active Active
- 2010-09-29 US US13/499,001 patent/US9006435B2/en active Active
- 2010-09-29 CN CN2010800520877A patent/CN102666779A/en active Pending
- 2010-09-29 PL PL10773131T patent/PL2483367T3/en unknown
- 2010-09-29 WO PCT/GB2010/001817 patent/WO2011039505A1/en not_active Ceased
- 2010-09-29 EP EP10773131.7A patent/EP2483367B1/en active Active
- 2010-09-29 JP JP2012531492A patent/JP2013506646A/en active Pending
- 2010-09-29 KR KR1020127011265A patent/KR101879880B1/en active Active
-
2012
- 2012-04-18 IN IN3383DEN2012 patent/IN2012DN03383A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013506646A (en) | 2013-02-28 |
| KR20120104195A (en) | 2012-09-20 |
| US9006435B2 (en) | 2015-04-14 |
| GB0917087D0 (en) | 2009-11-11 |
| WO2011039505A1 (en) | 2011-04-07 |
| PL2483367T3 (en) | 2016-04-29 |
| ES2556240T3 (en) | 2016-01-14 |
| US20120271052A1 (en) | 2012-10-25 |
| EP2483367A1 (en) | 2012-08-08 |
| EP2483367B1 (en) | 2015-09-16 |
| CN102666779A (en) | 2012-09-12 |
| KR101879880B1 (en) | 2018-07-18 |