Provided are novel compounds for electronic material of high efficiency, and organic electronic devices and organic solar cells comprising the same. Specifically, the novel compounds for electronic material according to the invention are characterized in that they are represented by Chemical Formula (1) : wherein, R1 and R2, or R3 and R4 are linked via (C3- C12) alkylene or (C3-C12 ) alkenylene to form at least one fused ring(s); provided that, if the ring formed from R3 and R4 of Formula (II) by linkage via alkylene or alkenylene is benzene, the ring formed from R7 and R8 of Formula (III) by linkage via alkylene or alkenylene is not benzene.
C07C 15/60 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part substituted by unsaturated hydrocarbon radicals polycyclic condensed containing three rings
C07C 15/62 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part substituted by unsaturated hydrocarbon radicals polycyclic condensed containing four rings
C07C 15/38 - Polycyclic condensed hydrocarbons containing four rings
C07C 15/56 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part substituted by unsaturated hydrocarbon radicals polycyclic condensed
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
C07C 211/61 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
C07D 209/86 - CarbazolesHydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
C07D 209/88 - CarbazolesHydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
C07F 3/00 - Compounds containing elements of Groups 2 or 12 of the Periodic Table
C07F 7/08 - Compounds having one or more C—Si linkages
C07F 15/00 - Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
2.
NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME
Provided are novel organic electroluminescent compounds, and organic electroluminescent devices and organic solar cells including the same. The organic electroluminescent compound provides superior luminous efficiency and excellent color purity of the material and life property. Therefore, it may be used to manufacture OLEDs having very good operation life.
C07C 13/573 - Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with three condensed rings with three six-membered rings
C07C 13/62 - Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with more than three condensed rings
C07C 13/66 - Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with more than three condensed rings the condensed ring system contains only four rings
C07C 15/60 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part substituted by unsaturated hydrocarbon radicals polycyclic condensed containing three rings
C07C 15/62 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part substituted by unsaturated hydrocarbon radicals polycyclic condensed containing four rings
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
C07C 211/61 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
C07C 217/84 - Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring the oxygen atom of at least one of the etherified hydroxy groups being further bound to an acyclic carbon atom
C07C 255/58 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the carbon skeleton
C07D 209/08 - IndolesHydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
C07D 213/74 - Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
C07D 215/06 - Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to the ring carbon atoms having only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to the ring nitrogen atom
C07D 307/79 - Benzo [b] furansHydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
3.
ORGANIC ELECTROLUMINSCENT DEVICE USING ELECTROLUMINESCENT COMPOUNDS
Provided is an electroluminescent device including an organic layer interposed between an anode and a cathode on a substrate, wherein the organic layer includes an electroluminescent layer containing one or more dopant compound(s) of formula (I) and one or more host compound(s) of formula (II), wherein at least one of Ar1to Ar4 in the arylamines of formula (I) is 1- or 2-naphthyl and the compounds of formula (II) are aromatic-substituted anthracene compounds. The disclosed electroluminescent device exhibits superior luminous efficiency, excellent color purity and very good operation life.
C07C 211/60 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton containing a ring other than a six-membered aromatic ring forming part of at least one of the condensed ring systems
C07D 471/00 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups
C07D 471/02 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups in which the condensed system contains two hetero rings
C07F 7/10 - Compounds having one or more C—Si linkages containing nitrogen
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
4.
ELECTROLUMINESCENT DEVICE USING THE ELECTROLUMINESCENT COMPOUNDS
Provided is an electroluminescent device comprising an organic layer interposed between an anode and a cathode on a substrate, wherein the organic layer includes an electroluminescent layer containing one or more dopant compound (s), and the dopant compound is a mixture of not less than 80 % by weight and less than 100 % by weight of the cis-form and more than 0 % by weight and not more than 20 % by weight of the trans-form: The electroluminescent device, which includes a mixture of not less than 80 % by weight and less than 100% by weight of a dopant having cis configuration and more than 0 % by weight and not more than 20% by weight of the dopant having transconfiguration, exhibits superior luminous efficiency, good color purity and excellent operation life.
C07C 211/60 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton containing a ring other than a six-membered aromatic ring forming part of at least one of the condensed ring systems
C07D 207/00 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
C07D 213/04 - Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
C07D 215/02 - Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
C07D 233/54 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
C07D 237/02 - Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
C07D 239/24 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
C07D 241/36 - Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
C07D 251/02 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
C07D 263/02 - Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
C07D 277/20 - Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
C07D 307/02 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
C07D 333/02 - Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
C07D 333/54 - Benzo [b] thiophenesHydrogenated benzo [b] thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
5.
NOVEL ORGANOMETALLIC COMPOUNDS FOR ELECTROLUMINESCENCE AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME
Provided are an electroluminescent compound and an electroluminescent device comprising the same as a host material: When used as a host material of an electroluminescent material in an OLED device, the disclosed electroluminescent compound exhibits superior red luminous efficiency and excellent life property of the material, as compared to the existing host material. Therefore, it can be used to manufacture OLEDs having very superior operation life.
H05B 33/14 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material
6.
NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME
Provided are novel organic electroluminescent compounds, and organic electroluminescent devices and organic solar cells comprising the same. The organic electroluminescent compounds according to the present invention exhibit high luminous efficiency in blue color, and excellent life property of the material, so that OLED's having very good operation life can be manufactured therefrom.
C07C 211/61 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
C07D 209/88 - CarbazolesHydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
C07D 211/58 - Nitrogen atoms attached in position 4
C07D 217/22 - Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the nitrogen-containing ring
C07D 219/02 - Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with only hydrogen, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
C07D 239/24 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
C07D 251/24 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
C07D 263/58 - BenzoxazolesHydrogenated benzoxazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
C07D 265/38 - [b, e]-condensed with two six-membered rings
C07D 293/10 - Heterocyclic compounds containing rings having nitrogen and selenium or nitrogen and tellurium, with or without oxygen or sulfur atoms, as the ring hetero atoms condensed with carbocyclic rings or ring systems
C07D 295/135 - Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
C07D 307/22 - Nitrogen atoms not forming part of a nitro radical
C07D 307/82 - Benzo [b] furansHydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
C07D 333/46 - Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings substituted on the ring sulfur atom
C07D 333/66 - Nitrogen atoms not forming part of a nitro radical
C07D 345/00 - Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms
C07D 401/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 405/10 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 413/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 417/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 421/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having selenium, tellurium, or halogen atoms as ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 471/02 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups in which the condensed system contains two hetero rings
C07D 495/00 - Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
C07F 7/08 - Compounds having one or more C—Si linkages
H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
H01L 31/042 - PV modules or arrays of single PV cells
H01L 31/055 - Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means where light is absorbed and re-emitted at a different wavelength by the optical element directly associated or integrated with the PV cell, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
Disclosed Provided are a novel organic electroluminescent compound and an organic electroluminescent device using the same as an electroluminescent material. The disclosed organic electroluminescent compound is represented by Chemical Formula 1: (Formula I should be inserted here) wherein Ar1 represents (C6-C60)arylene, (C3~C60)heteroarylene containing one or more heteroatom(s) selected from N, O and S, 5- or 6-membered heterocycloalkylene containing one or more heteroatom(s) selected from N, O and S, (C3-C60)cycloalkylene, adamantylene, (C7-C60)bicycloalkylene, (C2-C60)alkenylene, (C2-C60)alkynylene, (Cl-C60)alkylenethio, (Cl-C60)alkyleneoxy, (C6-C60)aryleneoxy, (C6-C60)arylenethio or; (Formula II should be inserted here) and ring A and ring B independently represent a 5- to 7-membered heterocyclic amino group or a ring selected from the following structures: (Formula III should be inserted here) wherein the 5- to 7-membered heterocyclic amino group may further contain NR2I or one or more heteroatom(s) selected from O and S. The organic electroluminescent compound provides superior luminous efficiency and excellent life property. Therefore, it may be used to manufacture OLED devices having very good operation life.
C07D 401/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
C07D 225/08 - Heterocyclic compounds containing rings of more than seven members having one nitrogen atom as the only ring hetero atom condensed with carbocyclic rings or ring systems condensed with two six-membered rings
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
C07D 221/02 - Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups condensed with carbocyclic rings or ring systems
C07D 265/38 - [b, e]-condensed with two six-membered rings
C07D 279/18 - [b, e]-condensed with two six-membered rings
8.
NOVEL COMPOUNDS FOR ORGANIC ELECTRONIC MATERIAL AND ORGANIC ELECTRONIC DEVICE USING THE SAME
Provided are novel compounds for organic electronic material, and organic electronic devices comprising the same. Specifically, the compounds for organic electronic material according to the invention are characterized in that they are represented by Chemical Formula (I) or Formula (II): wherein, R1, R2 and R3 cannot be hydrogen all at the same time; excluding the case wherein R1-L1-︴, R2-L2 -︴or R3-L3-︴independently represents diphenylamino group(︴-NPh2 ).
C07D 519/00 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
The present invention relates to an organic electroluminescent compound including a fusion ring and an organic electroluminescent including the same. The organic electroluminescent according to the presentinvention has an advantage of exhibiting an EL properties superior to existing electroluminescent materials as it has a good thin film stability due to a low crystallization and a satisfactory color purity.
The present invention relates to an organic electroluminescent compound containing fluorenyl group and a display device using the same, more precisely the organic electroluminescent compound. The organic electroluminescent compound of the present invention is characterized by upgraded excellent EL property compared with the conventional host materials.
The present invention relates to novel organic electroluminescent compounds and display devices comprising the same. The organic electroluminescent compounds according to the present invention exhibit high luminous efficiency and excellent life property, so that an OLED device having very good operation life can be prepared therefrom.
The present invention relates to an organic electroluminescent compound and a display device using the same. The electroluminescent compound according to the present invention has good luminous efficiency and excellent lifetime of the material, so that an OLED device having very good operation lifetime can be prepared.
The present invention relates to organic electroluminescent compounds and organic electroluminescent devices employing the same. More specifically, the invention relates to organic electroluminescent compounds containing an anthracenyl group or an aryl group having an anthracenyl substituent m the aryl ring of fluorene or indenof luorene, as a blue electroluminescent material in an organic electroluminescent layer. The electroluminescent compounds according to the invention exhibit high luminous efficiency and excellent life property, so that an OLED device having very good operation lifetime can be prepared therefrom.
The present invention relates to novel organic electroluminescent materials and organic light emitting devices comprising the same. Since the organic electroluminescent materials according to the invention have good luminous efficiency and life property as an electroluminescent material, OLED' s having very good operation lifetime can be produced.
The present invention relates to novel organic electroluminescent compounds and organic light emitting diodes comprising the same. Since the organic electrolumescent compounds according to the invention have good luminous efficiency and life property as an electroluminescent material, OLED's having very good operation lifetime can be produced.
The present invention relates to novel organic electroluminescent compounds and an organic light- emitting diode comprising the same. The organic electroluminescent compounds according to the present invention exhibit high luminous efficiency and excellent life property as a material, so that an OLED device having very good operation life can be prepared therefrom.
The present invention relates to novel thiazole system organic electroluminescent compounds and organic light emitting diodes comprising the same. Since the thiazole system organic electroluminescent compounds according to the invention have good luminous eff iciency and life property, OLED' s having very good operation lifetime can be produced.
The present invention relates to organic electroluminescent compounds and electroluminescent devices comprising the same as host material. The electroluminescent compounds according to the invention are characterized by having three ligands, two bivalent metals and a monovalent anion derived from an inorganic or an organic acid.
The present invention relates to organic electroluminescent compounds represented by Chemical Formula 1 and an electroluminescent device comprising the compound in an electroluminescent layer. The electroluminescent compound according to the invention has good luminous efficiency and excellent lifetime of the material, so that an OLED device having very good operation lifetime can be prepared.
The present invention relates to an organic electroluminescent compound represented by Chemical Formula 1 and an electroluminescent device containing the same as an electroluminescent material. The electroluminescent compound according to the present invention is advantageous in that it prominently lowers the driving voltage and considerably enhances the power efficiency when being used as a host material for an OLED device.
The present invention relates to novel organic electroluminescent compounds having an indenof luorene or a difluorene skeletal, and a display employing the same as an electroluminescent material. The organic electroluminescent compounds according to the invention exhibit good electroluminescent efficiency and excellent life property, so that an OLED device having very good operative lifetime can be advantageously prepared.