THIOLATE-BRIDGED MULTINUCLEAR COPPER(I) COMPLEX

A copper(I) complex is represented by the following Formula (1): [Cu(XS)(L)], wherein, L is triphenylphosphine, acetonitrile, tri-iso-butylphosphine, or a substituted or unsubstituted heterocyclic compound having 5 to 18 carbon atoms, a is an integer from 2 to 6, b is an integer from 2 to 6, c is an integer from 0 to 6, X is a substituted or unsubstituted aryl group, substituted or unsubstituted carbazole, or PR, where R is a substituted or unsubstituted phenyl group or a substituted or unsubstituted cyclohexyl group. 1. A copper(I) complex represented by following Formula (1):{'br': None, 'sub': a', 'b', 'c, '[Cu(XS)(L)]\u2003\u2003(1)'}{'sub': '3', 'wherein, L is triphenylphosphine, acetonitrile, tri-iso-butylphosphine, or a substituted or unsubstituted heterocyclic compound having 5 to 18 carbon atoms, a is an integer from 2 to 6, b is an integer from 2 to 6, c is an integer from 0 to 6, X is a substituted or unsubstituted aryl group, substituted or unsubstituted carbazole, or PR, where R is a substituted or unsubstituted phenyl group or a substituted or unsubstituted a substituted or unsubstituted cyclohexyl group.'}2. The copper(I) complex as claimed in claim 1 , wherein claim 1 , in Formula (1):c is an integer from 1 to 6, andthe heterocyclic compound having 5 to 18 carbon atoms is a nitrogen-containing heterocyclic compound having 5 to 18 carbon atoms.4. The copper(I) complex as claimed in claim 1 , wherein claim 1 , in Formula (1) claim 1 , L is pyridine claim 1 , a is 2 claim 1 , b is 2 claim 1 , c is 2 claim 1 , and X is triphenylphosphine.5. The copper(I) complex as claimed in claim 1 , wherein claim 1 , in Formula (1) claim 1 , L is acetonitrile claim 1 , a is 4 claim 1 , b is 4 claim 1 , c is 2 claim 1 , and X is triphenylphosphine.6. The copper(I) complex as claimed in claim 1 , wherein claim 1 , in Formula (1) claim 1 , a is 6 claim 1 , b is 6 claim 1 , c is 0 claim 1 , and X is triphenylphosphine. Japanese Patent Application No. 2013-140337, filed on ...

POLYCYCLIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME

Provided are a polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an exemplary embodiment of the present disclosure is represented by the following formula 1. 3. The polycyclic compound of claim 1 , wherein Lto Lare each independently a direct linkage claim 1 , or substituted or unsubstituted phenylene group.6. The polycyclic compound of claim 1 , wherein X is BAr claim 1 , and Aris substituted or unsubstituted phenyl group.11. The organic electroluminescence device of claim 10 , wherein the polycyclic compound represented by Formula 1 has an absolute value of about 0.2 eV or less energy gap between a singlet energy level and a triplet energy level.12. The organic electroluminescence device of claim 10 , wherein the polycyclic compound represented by Formula 1 is a material for emitting thermally activated delayed fluorescence.14. The organic electroluminescence device of claim 10 , wherein Lto Lare each independently a direct linkage claim 10 , or substituted or unsubstituted phenylene group.17. The organic electroluminescence device of claim 10 , wherein X is BAr claim 10 , and Aris substituted or unsubstituted phenyl group.23. The organic electroluminescence device of claim 21 , wherein the polycyclic compound represented by Formula 1 is a material for emitting thermally activated delayed fluorescence with wavelength from about 440 nm to about 460 nm. This application claims priority under 35 U.S.C. §119 to Korean Patent Application No. 10-2016-0088682, filed on Jul. 13, 2016, the entire content of which is hereby incorporated by reference.The present disclosure relates to a polycyclic compound and an organic electroluminescence device including the same.The development of an organic electroluminescence display as an image display is being actively conducted recently. The organic electroluminescence display is different from a liquid crystal display, and is a self-luminescent display capable of ...

ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE

An organic electroluminescence device and a polycyclic compound, the device including a first electrode; a hole transport region on the first electrode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by the following Formula 1: 2. The organic electroluminescence device as claimed in claim 1 , wherein the emission layer emits delayed fluorescence.3. The organic electroluminescence device as claimed in claim 1 , wherein:the emission layer is a delayed fluorescence emission layer including a host and a dopant, andthe dopant includes the compound represented by Formula 1.4. The organic electroluminescence device as claimed in claim 1 , wherein the emission layer is a thermally activated delayed fluorescence emission layer that emits blue light. Korean Patent Application No. 10-2018-0080435, filed on Jul. 11, 2018, in the Korean Intellectual Property Office, and entitled: “Organic Electroluminescence Device and Polycyclic Compound for Organic Electroluminescence Device,” is incorporated by reference herein in its entirety.Embodiments relate to an organic electroluminescence device and a polycyclic compound used in the organic electroluminescence device.Recently, the development of an organic electroluminescence display device as an image display device has been considered. Different from a liquid crystal display device, the organic electroluminescence display device is a self-luminescent display device in which holes and electrons injected from a first electrode and a second electrode recombine in an emission layer, and a light emission material including an organic compound in the emission layer emits light to attain display.The embodiments may be realized by providing an organic electroluminescence device including a first electrode; a hole transport region on the first electrode; an emission ...

COMPOUND FOR THERMALLY ACTIVATED DELAYED FLUORESCENCE AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME

Provided are a compound for thermally activated delayed fluorescence having a molecular aspect ratio of 1.5 or more, represented by the following Formula 1 and an organic electroluminescence device including the same in an emission layer. The organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. 2. The compound of claim 1 , wherein at least one of Aror Aris a substituted or unsubstituted heteroaryl group claim 1 , or an aryl group substituted with a substituted or unsubstituted heteroaryl group.5. The compound of claim 1 , wherein Arand Arare different from each other.6. The compound of claim 1 , wherein at least one of Xor Xis C.8. The compound of claim 1 , wherein the compound has an absolute value of the difference between a singlet energy level of the compound and a triplet energy level of the compound of about 0.2 eV or less.11. The organic electroluminescence device of claim 10 , wherein:the emission layer comprises a host and a dopant, andthe dopant comprises the compound for thermally activated delayed fluorescence.12. The organic electroluminescence device of claim 10 , wherein at least one of Aror Aris a substituted or unsubstituted heteroaryl group claim 10 , or an aryl group substituted with a substituted or unsubstituted heteroaryl group.15. The organic electroluminescence device of claim 10 , wherein Arand Arare different from each other.16. The organic electroluminescence device of claim 10 , wherein at least one of Xor Xis C.18. The organic electroluminescence device of claim 10 , wherein the compound has an absolute value of the difference between a singlet energy level of the compound and a triplet energy level of the compound of about 0.2 eV or less.19. The organic electroluminescence device of claim ...

ORGANIC ELECTROLUMINESCENT MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME

An organic electroluminescent (EL) material and an organic EL device, the material being represented by the following Formula 1: 2. The organic EL material as claimed in claim 1 , wherein Arand Arare each independently a phenyl group claim 1 , a biphenyl group claim 1 , a naphthyl group claim 1 , a 4-(1-naphthyl)phenyl group claim 1 , or a 4-(2-naphthyl)phenyl group.6. The organic EL device as claimed in claim 5 , wherein Arand Arare each independently a phenyl group claim 5 , a biphenyl group claim 5 , a naphthyl group claim 5 , a 4-(1-naphthyl)phenyl group claim 5 , or a 4-(2-naphthyl)phenyl group. Japanese Patent Application No. 2014-205417, filed on Oct. 6, 2014, in the Japanese Patent Office, and entitled: “Organic Electroluminescent Material and Organic Electroluminescent Device Including the Same,” is incorporated by reference herein in its entirety.1. FieldEmbodiments relate to an organic electroluminescent material and an organic electroluminescent device including the same.2. Description of the Related ArtRecently, the developments on organic electroluminescent (EL) displays are being actively conducted as image displays. The organic EL device is different from a liquid crystal display and is a self-luminescent display realizing display by recombining holes and electrons injected from an anode and a cathode and emitting light from a luminescent material including an organic material in an emission layer.An organic EL device is known as, e.g., an organic device including an anode, a hole transport layer disposed on the anode, an emission layer disposed on the hole transport layer, an electron transport layer disposed on the emission layer and a cathode disposed on the electron transport layer. Holes are injected from the anode, and the injected holes are injected via the hole transport layer into the emission layer. Meanwhile, electrons are injected from the cathode, and the injected electrons are injected via the electron transport layer into the emission ...

Organic electroluminescence device and compound for organic electroluminescence device

An organic electroluminescence device including a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1 to achieve high efficiency and an improved efficiency drop in a deep blue emission wavelength region:

MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME

A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 5. 27-. (canceled)8. An organic electroluminescent (EL) device claim 1 , comprising the material for an organic EL device of in at least one layer of a plurality of stacking layers between an emission layer and an anode.913-. (canceled)14. An organic EL device of claim 8 , wherein the material for the organic EL device is included in a first layer adjacent to the emission layer.15. An organic EL device of claim 14 , wherein the plurality of stacking layers comprises a second layer comprising an electron accepting compound having a lowest unoccupied molecular orbital (LUMO) level within a range from about −9.0 eV to about −4.0 eV claim 14 , the second layer between the anode and the first layer.1720-. (canceled) This patent application claims priority to and the benefit of Japanese Patent Application Nos. 2014-219497, filed on Oct. 28, 2014, and 2015-092410, filed on Apr. 28, 2015, the entire contents of both are incorporated herein by reference.The present disclosure herein relates to a material for an organic electroluminescent device and an organic electroluminescent device including the same. For example, the present disclosure herein relates to a material for an organic electroluminescent device having high emission efficiency and long life, and an organic electroluminescent device including the same.Recently, the developments of organic electroluminescent (EL) displays as one type of image displays are being actively conducted. Organic EL devices are so-called self luminescent displays and are different from liquid crystal displays. The organic EL devices display images by emitting light from a luminescent material (including an organic material) in its emission layer via recombination of holes and electrons ...

Polycyclic compound and organic electroluminescence device including the same

A polycyclic compound may be represented by Formula 1 below. The polycyclic compound may improve the light emitting efficiency of a blue light emitting region, and an organic electroluminescence device including the polycyclic compound may have improved blue light emission, high external quantum efficiency, and long life. The polycyclic compound may be used as a thermally activated delayed fluorescence material, which emits blue light, to improve the blue light emitting efficiency of the organic electroluminescence device.

Organic electroluminescent device

An organic electroluminescent device of which emission life may be improved. The organic electroluminescent device includes an anode, an emission layer, and an anode-side hole transport layer provided between the anode and the emission layer and including an anode-side hole transport material. An electron accepting material is doped in the anode-side hole transport layer. An intermediate hole transport material layer is provided between the anode-side hole transport layer and the emission layer and includes an intermediate hole transport material, and an emission layer-side hole transport layer is provided between the intermediate hole transport material layer and the emission layer and adjacent to the emission layer. The emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1.

ORGANIC ELECTROLUMINESCENT DEVICE

An organic electroluminescent device of which emission life may be improved. The organic electroluminescent device includes an anode, an emission layer, and an anode-side hole transport layer provided between the anode and the emission layer and including an anode-side hole transport material. An electron accepting material is doped in the anode-side hole transport layer. An intermediate hole transport material layer is provided between the anode-side hole transport layer and the emission layer and includes an intermediate hole transport material, and an emission layer-side hole transport layer is provided between the intermediate hole transport material layer and the emission layer and adjacent to the emission layer. The emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1. 2. The organic EL device of claim 1 , wherein the hole transport layer comprises an anode-side hole transport layer between the anode and the emission layer;an intermediate hole transport material layer between the anode-side hole transport layer and the emission layer; andan emission layer-side hole transport layer between the intermediate hole transport material layer and the emission layer.4. The organic EL device of claim 2 , wherein the anode-side hole transport layer comprises an anode-side hole transport material and doped with an electron accepting material claim 2 , andthe electron accepting material has a lowest unoccupied molecular orbital (LUMO) level within a range from about −9.0 eV to about −4.0 eV.5. The organic EL device of claim 2 , wherein the anode-side hole transport layer comprising an electron accepting material as a main component claim 2 , andthe electron accepting material has a lowest unoccupied molecular orbital (LUMO) level within a range from about −9.0 eV to about −4.0 eV This application is a continuation of U.S. patent application Ser. No. 14/934,032, filed Nov. 5, 2015, which ...

ORGANIC ELECTROLUMINESCENT DEVICE

An organic electroluminescent device of which emission life may be improved. The organic electroluminescent device includes an anode, an emission layer, and an anode-side hole transport layer provided between the anode and the emission layer and including an anode-side hole transport material. An electron accepting material is doped in the anode-side hole transport layer. An intermediate hole transport material layer is provided between the anode-side hole transport layer and the emission layer and includes an intermediate hole transport material, and an emission layer-side hole transport layer is provided between the intermediate hole transport material layer and the emission layer and adjacent to the emission layer. The emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1. 2. The organic EL device of claim 1 , wherein the hole transport region comprises a hole injection layer between the anode and the emission layer;an anode-side hole transport layer between the hole injection layer and the emission layer;an intermediate hole transport material layer between the anode-side hole transport layer and the emission layer; andan emission layer-side hole transport layer between the intermediate hole transport material layer and the emission layer.3. The organic EL device of claim 2 , wherein at least one of the intermediate hole transport material layer or the anode-side hole transport layer comprises a compound represented by Formula 2.4. The organic EL device of claim 2 , wherein the anode-side hole transport layer comprises an anode-side hole transport material and doped with an electron accepting material claim 2 , andthe electron accepting material has a lowest unoccupied molecular orbital (LUMO) level within a range from about −9.0 eV to about −4.0 eV.5. The organic EL device of claim 4 , wherein the anode-side hole transport material is represented by Formula 2.7. The organic EL ...

Nitrogen-containing compound and organic electroluminescence device including the same

A nitrogen-containing compound represented by Formula 1 below may be included in a light emitting layer of an organic electroluminescence device. The resulting organic electroluminescence device may exhibit improved light emitting efficiency and may emit deep blue light: wherein, X 1 to X 13 are each independently CR 1 , CR 2 or N, at least one of X 9 to X 13 is N, at least one of X 1 to X 13 is CR 2 , and R 2 is represented by Formula 2 below:

Aromatic compound and organic electroluminescence device including the same

Provided are an aromatic compound enhancing emission efficiency of blue light emitting region and an organic electroluminescence device including the same. The aromatic compound according to an embodiment of the inventive concept is represented by Formula 1, and more details about the constituents are provided in the disclosure.

Organic electroluminescence device and polycyclic compound for organic electroluminescence device

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and a plurality of functional layers disposed between the first electrode and the second electrode, wherein at least one functional layer of the plurality of functional layers includes a polycyclic compound represented by Formula 1, thereby showing excellent light emitting efficiency in a short wavelength region:

MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME

The material for an organic electroluminescent device includes a monoamine derivative represented by Formula 1. An organic electroluminescent device including the material can exhibit low driving voltage and improved emission efficiency. The material can be included in at least one layer positioned between an emission layer and an anode of the organic electroluminescent device. 2. The material of claim 1 , wherein Aris selected from a substituted or unsubstituted biphenyl group claim 1 , a substituted or unsubstituted phenanthrenyl group claim 1 , and a substituted or unsubstituted dibenzofuranyl group.5. The organic EL device of claim 4 , wherein Aris selected from a substituted or unsubstituted biphenyl group claim 4 , a substituted or unsubstituted phenanthrenyl group claim 4 , and a substituted or unsubstituted dibenzofuranyl group.7. The organic EL device of claim 4 , wherein the material is comprised in the layer more adjacent to the emission layer than the anode. This application claims priority to and the benefit of Japanese Patent Application No. 2014-263327, filed on Dec. 25, 2014, the entire content of which is hereby incorporated by reference.1. FieldOne or more aspects of embodiments of the present disclosure herein relate to a material for an organic electroluminescent device and an organic electroluminescent device including the same.2. Description of the Related ArtIn recent years, there has been active development of organic electroluminescent (EL) displays as image displays. For example, organic EL devices which are self-luminescent devices used in organic EL displays are being actively developed.An organic EL device may have a structure including, for example, an anode, a hole transport layer positioned on the anode, an emission layer positioned on the hole transport layer, an electron transport layer positioned on the emission layer, and a cathode positioned on the electron transport layer.In the organic EL device, holes and electrons injected ...

MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME

A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 1. 12. An organic EL device of claim 7 , wherein the material for the organic EL device is included in a first layer adjacent to the emission layer.13. An organic EL device of claim 7 , wherein the plurality of stacking layers comprises a second layer comprising an electron accepting compound having a lowest unoccupied molecular orbital (LUMO) level within a range from about −9.0 eV to about −4.0 eV claim 7 , the second layer between the anode and the first layer.17. An organic EL device of claim 16 , wherein a plurality of adjacent Rto Rmake a bond to form a saturated or unsaturated ring. This application is a divisional of U.S. patent application Ser. No. 14/924,574, filed Oct. 27, 2015, which claims priority to and the benefit of Japanese Patent Application Nos. 2014-219497, filed on Oct. 28, 2014, and 2015-092410, filed on Apr. 28, 2015, the entire content of all of which is incorporated herein by reference.The present disclosure herein relates to a material for an organic electroluminescent device and an organic electroluminescent device including the same. For example, the present disclosure herein relates to a material for an organic electroluminescent device having high emission efficiency and long life, and an organic electroluminescent device including the same.Recently, the developments of organic electroluminescent (EL) displays as one type of image displays are being actively conducted. Organic EL devices are so-called self luminescent displays and are different from liquid crystal displays. The organic EL devices display images by emitting light from a luminescent material (including an organic material) in its emission layer via recombination of holes and electrons injected from an anode and a cathode ...

ORGANIC ELECTROLUMINESCENCE DEVICE

An organic electroluminescence device including a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the hole transport region includes a first heterocyclic compound including 1 to 3 structures derived from a compound represented by Formula 1 below, and the emission layer includes a second heterocyclic compound including 1 or 2 structures derived from a compound represented by Formula 1. 2. The organic electroluminescence device as claimed in claim 1 , wherein the first heterocyclic compound includes 2 or 3 structures derived from the compound represented by Formula 1.3. The organic electroluminescence device as claimed in claim 1 , wherein:the first heterocyclic compound includes 2 structures derived from the compound represented by Formula 1, andthe second heterocyclic compound includes 1 structure derived from the compound represented by Formula 1.5. The organic electroluminescence device as claimed in claim 4 , wherein Xand Xare the same claim 4 , Rand Rare the same claim 4 , Rand Rare the same claim 4 , “c” and “e” are the same claim 4 , and “d” and “f” are the same.7. The organic electroluminescence device as claimed in claim 6 , wherein Xand Xare the same.12. The organic electroluminescence device as claimed in claim 11 , wherein Zis —CO—.15. The organic electroluminescence device as claimed in claim 1 , wherein:the hole transport region has a multilayer structure, anda layer adjacent to the emission layer in the multilayer structure includes the first heterocyclic compound.16. The organic electroluminescence device as claimed in claim 1 , wherein: a hole injection layer on the first electrode;', 'a hole transport layer on the hole injection layer; and', 'an electron blocking layer on the hole transport layer, and, 'the hole transport region includesthe electron blocking layer ...

MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME

A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 1. 2. The organic EL device of claim 1 , wherein Aris an unsubstituted phenyl group claim 1 , an unsubstituted naphthyl group claim 1 , an unsubstituted biphenyl group claim 1 , or a phenyl group substituted with fluorine.3. The organic EL device of claim 1 , wherein Arand Arare each independently an unsubstituted phenyl group claim 1 , an unsubstituted naphthyl group claim 1 , an unsubstituted biphenyl group claim 1 , an unsubstituted phenanthryl group claim 1 , an unsubstituted triphenyl group claim 1 , an unsubstituted dibenzofuranyl group claim 1 , or an unsubstituted dibenzothiophenyl group.9. The organic EL device of claim 1 , wherein the electron accepting compound has a LUMO level within a range from about −9.0 eV to about −4.0 eV. This application is a continuation of U.S. patent application Ser. No. 15/066,999, filed on Mar. 10, 2016, which is a divisional application of U.S. patent application Ser. No. 14/924,574, filed on Oct. 27, 2015, now U.S. Pat. No. 9,590,186, issued Mar. 7, 2017, which claims priority to and the benefit of Japanese Patent Application Nos. 2014-219497, filed on Oct. 28, 2014, and 2015-092410, filed on Apr. 28, 2015, the entire contents of all of which are incorporated herein by reference.The present disclosure herein relates to a material for an organic electroluminescent device and an organic electroluminescent device including the same. For example, the present disclosure herein relates to a material for an organic electroluminescent device having high emission efficiency and long life, and an organic electroluminescent device including the same.Recently, the developments of organic electroluminescent (EL) displays as one type of image displays are being actively conducted. Organic ...

Material for organic electroluminescent device and organic electroluminescence device including the same

A material for an organic electroluminescent (EL) device includes a copper(I) complex represented by the following Formula 1: [CuX(PPh 3 ) 2 L]  [Formula 1] In the above Formula 1, X is an anion, PPh 3 is triphenylphosphine, and L is a substituted or unsubstituted heterocyclic ligand having 5 to 18 ring carbon.

PHOSPHORUS-CONTAINING COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME

A phosphorus-containing compound and an organic electroluminescence device including the same, the phosphorus-containing compound being represented by the following Formula 1: 2. The phosphorus-containing compound as claimed in claim 1 , wherein Ris a substituted or unsubstituted phenyl group.3. The phosphorus-containing compound as claimed in claim 1 , wherein Ris a substituted or unsubstituted pyridyl group or a substituted or unsubstituted naphthyl group.4. The phosphorus-containing compound as claimed in claim 1 , wherein one of Rto Ris a group represented by Formula 2 and the remainder thereof are each a hydrogen atom.7. The phosphorus-containing compound as claimed in claim 6 , wherein:{'sub': 'a', 'Ris a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, and'}{'sub': b', 'g, 'Rto Rare a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms or a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms.'}11. The organic electroluminescence device as claimed in claim 10 , wherein the phosphorus-containing compound is a thermally activated delayed fluorescence material.13. The organic electroluminescence device as claimed in claim 10 , wherein Ris a substituted or unsubstituted phenyl group claim 10 , a substituted or unsubstituted pyridyl group claim 10 , or a substituted or unsubstituted naphthyl group. Korean Patent Application No. 10-2017-0040848, filed on Mar. 30, 2017, in the Korean Intellectual Property Office, and entitled: “Phosphorus-Containing Compound and Organic Electroluminescence Device Including the Same,” is incorporated by reference herein in its entirety.Embodiments relate to a phosphorus-containing compound and an organic electroluminescence device including the same.Recently, the development of an organic electroluminescence display device as an image display device is being actively conducted. Different from a liquid crystal display device, the organic electroluminescence display device ...

Organic electroluminescence device and polycyclic compound for organic electroluminescence device

An organic electroluminescence device having high luminous efficiency includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1.

ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE

An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1. In Formula 1, Xmay be C, Si or Ge; and AC may be an electron acceptor. 7. The organic electroluminescence device of claim 1 , wherein Ar is a substituted or unsubstituted phenyl group.8. The organic electroluminescence device of claim 1 , wherein the emission layer comprises a host and a dopant claim 1 , andthe dopant comprises the polycyclic compound.9. The organic electroluminescence device of claim 8 , wherein the polycyclic compound is a dopant for thermally activated delayed fluorescence.10. The organic electroluminescence device of claim 8 , wherein the polycyclic compound is a blue dopant having a wavelength of less than about 470 nm.11. The organic electroluminescence device of claim 1 , wherein the hole transport region comprises:a hole injection layer on the first electrode;a hole transport layer on the hole injection layer; andan electron blocking layer on the hole transport layer.12. The organic electroluminescence device of claim 1 , wherein the electron transport region comprises:a hole blocking layer on the emission layer;an electron transport layer on the hole blocking layer; andan electron injection layer on the electron transport layer. This application claims priority to and the benefit of Korean Patent Application No. 10-2018-0039925, filed on Apr. 5, 2018, the entire content of which is hereby incorporated by reference.One or more aspects of embodiments of the present disclosure are related to an organic electroluminescence device (OLED), and a polycyclic compound used for the organic electroluminescence device.The development of an organic electroluminescence device as an image display device is ...

ORGANIC ELECTROLUMINESCENT DEVICE

An organic electroluminescent device of which emission life may be improved. The organic electroluminescent device includes an anode, an emission layer, and an anode-side hole transport layer provided between the anode and the emission layer and including an anode-side hole transport material. An electron accepting material is doped in the anode-side hole transport layer. An intermediate hole transport material layer is provided between the anode-side hole transport layer and the emission layer and includes an intermediate hole transport material, and an emission layer-side hole transport layer is provided between the intermediate hole transport material layer and the emission layer and adjacent to the emission layer. The emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1. 2. The organic EL device of claim 1 ,wherein the organic layer comprisesan anode-side organic layer between the anode and the emission layer, andan emission layer-side organic layer between the anode-side organic layer and the emission layer.3. The organic EL device of claim 2 ,wherein the organic material represented by Formula 1 is included in the emission layer-side organic layer.4. The organic EL device of claim 1 , wherein the organic layer further comprises an intermediate organic layer between the anode-side organic layer and the emission layer-side organic layer.13. The organic EL device of claim 12 ,wherein the organic layer comprisesan anode-side organic layer between the anode and the emission layer, andan emission layer-side organic layer between the anode-side organic layer and the emission layer.14. The organic EL device of claim 13 ,wherein the organic material represented by Formula 1 is included in the emission layer-side organic layer.15. The organic EL device of claim 13 ,wherein the organic material represented by Formula 2 is included in the anode-side organic layer. This application is a ...

HETEROCYCLIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME

A heterocyclic compound is represented by Formula 1 and has an absolute value of a difference between a singlet energy level and a triplet energy level of about 0.2 eV or less: 3. The heterocyclic compound as claimed in claim 1 , wherein one of R claim 1 , R claim 1 , or Ris represented by the Formula 2.13. The organic electroluminescence device as claimed in claim 12 , wherein the heterocyclic compound represented by Formula 1 is a material to emit thermally activated delayed fluorescence.15. The electroluminescence device as claimed in claim 12 , wherein one of R claim 12 , R claim 12 , or Ris represented by the Formula 2. Korean Patent Application No. 10-2017-0060153, filed on May 15, 2017, in the Korean Intellectual Property Office, and entitled: “Heterocyclic Compound and Organic Electroluminescence Device Including the Same,” is incorporated by reference herein in its entirety.The present disclosure herein relates to a heterocyclic compound and an organic electroluminescence device including the same.The development of an organic electroluminescence display as an image display is being actively conducted. An organic electroluminescence display is different from a liquid crystal display in that the organic electroluminescence display is a self-luminescent display produces an image via the recombination of holes and electrons injected from a first electrode and a second electrode in an emission layer and via light emission from a luminescent material including an organic compound in the emission layer.Embodiments are directed to a heterocyclic compound represented by the following Formula 1, wherein an absolute value of a difference between a singlet energy level and a triplet energy level of about 0.2 eV or less:In Formula 1, Rto Rare each independently a hydrogen atom, a deuterium atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a ...

NITROGEN-CONTAINING COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME

A nitrogen-containing compound and an organic electroluminescence device including the same, the nitrogen-containing compound being represented by the following Formula 1: 2. The nitrogen-containing compound as claimed in claim 1 , wherein L is a substituted or unsubstituted phenylene group.6. The nitrogen-containing compound as claimed in claim 1 , wherein Y is the direct linkage or CRR.11. The organic electroluminescence device as claimed in claim 10 , wherein an absolute value of a difference between a singlet energy level and a triplet energy level of the nitrogen-containing compound represented by Formula 1 is about 0.2 eV or less.12. The organic electroluminescence device as claimed in claim 10 , wherein L is a substituted or unsubstituted phenylene group.16. The organic electroluminescence device as claimed in claim 10 , wherein Y is the direct linkage or CRR.20. The organic electroluminescence device as claimed in claim 10 , wherein:the hole transport region includes a hole injection layer and a hole transport layer, andthe electron transport region includes an electron injection layer and an electron transport layer.23. An organic electroluminescence device claim 10 , comprising:a first electrode;a hole transport region on the first electrode;an emission layer on the hole transport region;an electron transport region on the emission layer; anda second electrode on the electron transport region,{'claim-ref': {'@idref': 'CLM-00021', 'claim 21'}, 'wherein the emission layer includes the nitrogen-containing compound as claimed in .'}24. The organic electroluminescence device as claimed in claim 23 , wherein an absolute value of a difference between a singlet energy level and a triplet energy level of the nitrogen-containing compound is about 0.2 eV or less.25. The organic electroluminescence device as claimed in claim 23 , wherein the nitrogen containing compound is a dopant in the emission layer. Korean Patent Application No. 10-2016-0065045, filed on May 26, ...

Polycyclic compound and organic electroluminescence device including the same

A polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an example embodiment is represented by the following Formula 1. wherein in Formula 1, Cy1 is carbonyl-containing five- or six-membered and substituted or unsubstituted cyclic hydrocarbon or substituted or unsubstituted heterocycle, and R 1 to R 4 are each independently a hydrogen atom or a group represented by the following Formula 2 or 3.

Material for organic electroluminescent element and organic electroluminescent element including the same

【課題】高い発光効率及び長寿命の有機エレクトロルミネッセンス素子用材料及びそれを用いた有機エレクトロルミネッセンス素子を提供する。【解決手段】電子耐性の高い置換されたジベンゾヘテロール部位をアミンに導入した有機エレクトロルミネッセンス素子。【選択図】なし

Material for heterocyclic organic electroluminescent device and heterocyclic organic electroluminescent device including the same

A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device comprises a compound represented by the following Formula 1.

Organic electroluminescence element

The invention provides an organic electroluminescence element which comprises a hole transporting layer which comprises a tris(p-terphenyl-4-yl)amine represented by the general formula (I) wherein R 1 , R 2 and R 3 are each independently a hydrogen atom, an alkyl group, a cycloalkyl group which may have substituents or an aryl group which may have substituents as a hole transporting agent, and a hole injecting layer which comprises a hole injecting agent comprising an aromatic tertiary amine having an ionization potential in the range of 5.2-5.6 eV. This organic electroluminescence element can be driven at a low voltage with high efficiency and at high luminance.

Organic electroluminescent material and organic electroluminescent device including the same

An organic electroluminescent (EL) material and an organic EL device, the material being represented by the following Formula 1:

有機電界発光素子及び有機電界発光素子用多環化合物

【課題】効率に優れた有機電界発光素子を提供する。【解決手段】第１電極、第１電極上に設けられた正孔輸送領域、正孔輸送領域上に設けられた発光層、発光層上に設けられた電子輸送領域、及び電子輸送領域上に設けられた第２電極を含み、発光層は、下記化学式１で表される多環化合物を含む有機電界発光素子。式１において、Ｘ１はＣ、ＳｉまたはＧｅであり、Ａｒは、アリール基、またはヘテロアリール基であり、ＡＣは電子受容性基である。JPEG2024020205000109.jpg4499【選択図】図１

Organic electroluminescence device and polycyclic compound for organic electroluminescence device

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and a plurality of functional layers disposed between the first electrode and the second electrode, wherein at least one functional layer of the plurality of functional layers includes a polycyclic compound represented by Formula 1, thereby showing excellent light emitting efficiency in a short wavelength region:

Organic electroluminescence device and polycyclic compound for organic electroluminescence device

An organic electroluminescence device having high light emission efficiency is provided, which includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes a polycyclic compound represented by Formula 1:

Polycyclic compound and organic electroluminescence device including the same

Provided are a polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an exemplary embodiment of the present disclosure is represented by the following formula 1. In Formula 1, X is O, SiR′R″, S, or BAr 1 . At least one of R 1 to R 8 is an aryl amine-containing electron donor. When X is O, SiR′R″, or S, the aryl amine-containing electron donor further includes a Si.

含リン化合物及びこれを含む有機電界発光素子

【課題】外部量子効率を向上させる含リン化合物及びこれを含む有機電界発光素子の提供。 【解決手段】式（１）で表される含リン化合物及びこれを含む高効率の有機電界発光素子。 （ＸはＯ、Ｓ等；Ｒ1〜Ｒ8は各々独立的にＨ、Ｄ、ハロゲン原子、置換／非置換の環形成Ｃ４−３０のヘテロアリール基等；Ｒ9は置換／非置換のＣ１−２０のアルキル基、置換／非置換の環形成Ｃ６−３０のアリール基等） 【選択図】図１

Nouveau 1,3,5-tris(arylamino)benzène

熱伝導性複合粒子、熱伝導性シート及びこれらの製造方法

【課題】煩雑で高コストとなる被覆工程を用いず、従来と同等以上の熱伝導性及び分散性等の性能を有する新規な構造の熱伝導性複合粒子及び熱伝導性シート、及び、当該新規な構造の熱伝導性複合粒子及び熱伝導性シートの簡易で低コストな製造方法を提供する。 【解決手段】高速気流中衝撃法、メカノフュージョン法又はメカノケミカル法により、磁性体２ａ及び前記磁性体を含有するマトリクス樹脂２ｂを含む磁性樹脂粒子２と、前記磁性樹脂粒子を被覆する熱伝導性粒子４と、を具備する熱伝導性複合粒子１を製造し、これを用いて熱伝導性シートを得る。 【選択図】図１

Organic electron functional material and its use

Organic electron functional material and its use

化合物、有機エレクトロルミネッセンス素子用材料及び有機エレクトロルミネッセンス素子

【課題】発光効率が向上し、長寿命化された有機ＥＬ素子、及びそれを実現する有機発光材料を提供する。 【解決手段】下記一般式（１）で表される有機発光材料。 【化１】 Ａｒ１、Ａｒ２、Ａｒ３は、カルバゾール誘導体、フェノキサジン誘導体、フェノチアジン誘導体、アルキル基、アリール基またはヘテロアリール基のいずれかであり且つそれぞれ相互に同一でも異なっても良く、Ｌ１は、炭素原子数が６ないし２０までのアリーレン基又はヘテロアリーレン基である。］ 【選択図】なし

Light emitting element and polycyclic compound for the same

A light emitting element of one or more embodiments includes a first electrode, a second electrode oppositely to the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element of one or more embodiments includes a polycyclic compound represented by a specific chemical structure in the emission layer, thereby showing improved emission efficiency and life characteristics.

Novel 1,3,5-tris(arylamino)benzene

The invention provides 1,3,5-tris(arylamino)benzenes represented by the general formula (I) wherein A is naphthyl, anthryl, phenanthryl, biphenylyl or terphenylyl group, and R is alkyl having 1-6 carbon atoms or cycloalkyl group having five or six carbon atoms. The 1,3,5-tris(arylamino)benzenes have oxidation potentials in the range of about 0.5-0.6V, excellent reversibility in oxidation-reduction process and high glass transition temperatures and in addition, they are capable of forming stable and durable amorphous film useful as high performance organic semiconductors at normal temperatures or higher with no aid of binder resins, that is, by themselves.

Novel 1, 3, 5-tris(arylamino) benzenes

新規な１，３，５−トリス（アリールアミノ）ベンゼン類

【課題】酸化電位が０．５〜０．６Ｖ程度であり、酸化還元過程における可逆性にすぐれると共に、高いガラス転移温度を有し、更に、耐熱性にもすぐれるので、コーティング法によって、実用性にすぐれる有機半導体膜を容易に製膜することができ、しかも、常温以上の温度で自体で、即ち、バインダー樹脂の助けなしに、安定なアモルファス膜を形成することができるので、それ自体からなる安定で耐久性にすぐれる高性能な有機半導体膜を形成することができる新規な１，３，５−トリス（アリールアミノ）ベンゼン類を提供する。 【解決手段】一般式（Ｉ） 【化１】 （式中、Ａはナフチル基、アントリル基又はフェナントリル基を示し、Ｒは水素原子又はジアリールアミノ基を示す。） で表される１，３，５−トリス（アリールアミノ）ベンゼン類。 【選択図】なし

Novel 1, 3, 5 tris (arylamino) benzenes

The invention provides 1,3,5-tris(arylamino)benzenes represented by the general formula (I) wherein A is naphthyl, anthryl or phenanthryl group, and R is hydrogen atom or diarylamino group. These 1,3,5-tris(arylamino)benzenes have oxidation potentials in the range of about 0.5-0.6V, excellent reversibility in oxidation-reduction process, high glass transition temperatures and high heat resistance, so that they can form practicable organic semiconductor film readily by a coating method or a vacuum deposition method. In addition, they are capable of forming stable and durable amorphous film useful as high performance organic semiconductors at normal temperatures or higher with no aid of binder resins, that is, by themselves.

1,3,5-Tris(diarylamino) benezenes and use thereof

Organic electrically functional material and electroninc device using the same

Organic electroluminescence device and polycyclic compound for organic electroluminescence device

An organic electroluminescence device of one or more embodiments includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer and a second electrode disposed on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing high emission efficiency:wherein Y is O or S.

Organic electroluminescent device

An organic electroluminescent device of which emission life may be improved. The organic electroluminescent device includes an anode, an emission layer, and an anode-side hole transport layer provided between the anode and the emission layer and including an anode-side hole transport material. An electron accepting material is doped in the anode-side hole transport layer. An intermediate hole transport material layer is provided between the anode-side hole transport layer and the emission layer and includes an intermediate hole transport material, and an emission layer-side hole transport layer is provided between the intermediate hole transport material layer and the emission layer and adjacent to the emission layer. The emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1.

Light emitting element, polycyclic compound for the same, and display device including the light emitting element

Embodiments provide a polycyclic compound and a light emitting element that includes the polycyclic compound. The light emitting element includes a first electrode, a second electrode facing to the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes the polycyclic compound. The polycyclic compound is represented by Formula 1, which is explained in the specification.

Material for organic electroluminescent device and organic electroluminescent device including the same

A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 5.