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Organic Electroluminescence patents



      
           
This page is updated frequently with new Organic Electroluminescence-related patent applications. Subscribe to the Organic Electroluminescence RSS feed to automatically get the update: related Organic RSS feeds. RSS updates for this page: Organic Electroluminescence RSS RSS


Organic light emitting diode

Date/App# patent app List of recent Organic Electroluminescence-related patents
07/24/14
20140203273
 Organic electroluminescence element patent thumbnailOrganic electroluminescence element
The present invention relates to an organic electroluminescence element including a transparent electrode, a light-reflective electrode, and an organic layer including a light-emitting layer and being between the transparent electrode and the light-reflective electrode. The organic layer includes a scattering layer for scattering light from the light-emitting layer.
07/24/14
20140203272
 Organic light emitting diode patent thumbnailOrganic light emitting diode
The present invention relates to an organic light emitting diode and a method of manufacturing the same. An organic light emitting diode according to the present invention comprises an exciton blocking layer comprising a compound represented by formula 1 to confine an exciton to a light emitting layer to prevent light emitting leakage, and thus there is an effect of implementing an organic electroluminescence diode having excellent light emitting efficiency.
07/24/14
20140203215
 Materials for organic electroluminescence devices patent thumbnailMaterials for organic electroluminescence devices
The present invention relates to novel materials which can be used in organic electronic devices, in particular electroluminescent devices, and are certain derivatives of fused aromatic systems.. .
07/17/14
20140197401
 Organic electroluminescence device patent thumbnailOrganic electroluminescence device
The present invention relates to organic electroluminescent devices which comprise a mixture of at least two materials in the electron-transport layer.. .
07/10/14
20140191227
 Organic electroluminescence element patent thumbnailOrganic electroluminescence element
An organic electroluminescent element includes a light-emitting layer between an anode and a cathode. The light-emitting layer contains a phosphorescent light-emitting organic metal complex and at least one host compound.
07/10/14
20140191225
 Biscarbazole derivative and organic electroluminescence element using same patent thumbnailBiscarbazole derivative and organic electroluminescence element using same
A biscarbazole derivative is represented by the following formula (1). A1 and a2 of the following formula (1) represent an aromatic hydrocarbon group having 6 to 30 ring carbon atoms or an aromatic heterocyclic group having 1 to 30 ring carbon atoms.
07/03/14
20140183504
 Heteroarene derivative and material for organic electroluminescence device using the same patent thumbnailHeteroarene derivative and material for organic electroluminescence device using the same
A heteroarene derivative including a nitrogen-boron coordinate bond, represented by the following formula (1). In the formula (1).
07/03/14
20140183500
 Organic electroluminescence patent thumbnailOrganic electroluminescence
A fused amine compound including a furan ring or a thiophene ring and an organic electroluminescence device employing the amine compound. The organic electroluminescence device includes a cathode, an anode, and one or more organic thin film layers which are disposed between the cathode and the anode.
07/03/14
20140183486
 Novel compound, material for organic electroluminescence device, and organic electroluminescence device patent thumbnailNovel compound, material for organic electroluminescence device, and organic electroluminescence device
A specific material for organic electroluminescence device having m-phenylene skeleton in its molecule realizes a highly heat-resistant and long lifetime organic electroluminescence device capable of driving at low voltage with high efficiency.. .
06/26/14
20140175419
 Fused heterocyclic aromatic derivative, organic electroluminescence element material, and organic electroluminescence element using same patent thumbnailFused heterocyclic aromatic derivative, organic electroluminescence element material, and organic electroluminescence element using same
A compound represented by the following formula (1). In the formula, a1 is o, s, si(ar1)(ar2), p(═o)(ar3)(ar4), a substituted or unsubstituted arylene group including 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group including 5 to 30 ring atoms..
06/19/14
20140170423
Method for manufacturing a transparent gas barrier film and an organic electroluminescence element comprising such a film
A transparent gas barrier film comprising a substrate having thereon a gas barrier layer comprising at least a low density layer and a high density layer, wherein one or more intermediate density layers are sandwiched between the low density layer and the high density layer.. .
06/19/14
20140167604
Organic electroluminescence device and electronic apparatus
An organic el device includes a substrate, a first colored layer, a first luminescence element having a first pixel electrode, a reflection layer, and an insulation layer which overlaps a second portion without overlapping a first portion of a first pixel electrode. Light emitted from the first luminescence element includes a first light emitted from a region overlapping a first portion and a second light emitted from a region overlapping a second portion, and a film thickness of an insulation layer or optical characteristics of the first colored layer are set so that the first light is transmitted through the first colored layer more than the second light is..
06/19/14
20140167024
Display apparatus
Provided is a display apparatus and a method of manufacture. The display apparatus includes a first substrate with a plurality of organic electroluminescence devices, a second substrate with a color filter, the second substrate facing the first substrate, and an adhesive layer disposed between the first substrate and the second substrate so as to cover the plurality of organic electroluminescence devices, the adhesive layer being made of a material selected from the group consisting of a phenol resin, a melanin resin, an unsaturated polyester resin, an epoxy resin, a silicon resin and a polyurethane resin..
06/19/14
20140167018
Organic electroluminescence display panel and method of manufacturing thereof
An organic el display panel has a transistor array substrate, an inter-layer insulation film, pixel electrodes, an organic el layer, and a common electrode. The transistor array substrate has drive units, including tft elements.
06/19/14
20140167003
Organic electroluminescence device
Each of wavy lines indicates a bonding site.. .
06/19/14
20140166927
Moisture absorbent for organic electroluminescence element and production method for same
A moisture absorbent for an organic el element having hydrophobicity and no reduction in moisture absorption speed, and a method for producing the moisture absorbent are provided. The moisture absorbent for an organic el element includes, as a main component, calcium oxide particles each having an alkoxide layer on the surface thereof.
06/12/14
20140159025
Mesoporous silica particles, method for producing mesoporous silica particles, mesoporous silica particle-containing composition, mesoporous silica particle-containing molded article, and organic electroluminescence device
The mesoporous silica particles of the present invention each include an inner portion having first mesopores and an outer peripheral portion covering the inner portion. The outer peripheral portion includes an organosilica coating portion made of organosilica.
06/12/14
20140159006
Aromatic amine derivative and electroluminescence device using the same
Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime..
06/05/14
20140155624
Hole transport material for organic electroluminescence device and organic electroluminescence device using the same
A hole transport material for the organic electroluminescence device, the hole transport material being represented by the following formula 1,. .
06/05/14
20140155623
Hole transport material for organic electroluminescence device and organic electroluminescence device using the same
A hole transport material for the organic electroluminescence device, the hole transport material being represented by the following formula 1,. .
06/05/14
20140155622
Indolocarbazole derivative and organic electroluminescence device including the same
An indolocarbazole derivative and an organic electroluminescence device, the indolocarbazole derivative having a structure represented by a-l-b, wherein a and b are each independently an indolocarbazolyl group represented by one of formulae (1) to (6), below:. .
06/05/14
20140155618
Charge transport material for organic electroluminescence device and organic electroluminescence device including the same
A charge transport material includes a combined structure obtained by condensing a compound represented by (1) and a compound represented by (2), and combining the compound represented by (2) and a compound represented by (3) with an ar included in the compound represented by (2) therebetween, in following formula 1,. .
06/05/14
20140155601
Hole transport material for organic electroluminescence device and organic electroluminescence device including the same
A hole transport material for an organic electroluminescence (el) device, and an el device including the same, the hole transport material being represented by formula 1, below:. .
06/05/14
20140155600
Hole transport material for organic electroluminescence device and organic electroluminescence device comprising the same
A hole transport material for an organic electroluminescence device, the hole transport material being represented by the following formula 1,. .
06/05/14
20140155591
Arylamine compound and electroluminescence device including the same
An arylamine compound and an organic electroluminescence device, the compound being represented by following formula 1:. .
06/05/14
20140152707
Organic electroluminescence display device
An organic electroluminescence display device is provided in which circuit components can be installed at a high density and which can reduce power consumption. The organic electroluminescence display device of the present invention comprises a display part including a first display area including a plurality of first pixels and a second display area including a plurality of second pixels, and a switch unit formed from a plurality of transistors and switching between display in the first display area and display in the second display area.
06/05/14
20140151681
Organic electroluminescence device
In order to provide an organic electroluminescent element which has excellent luminous efficiency and long service life, this organic electroluminescent element is provided with: a positive electrode; a negative electrode; an organic light emitting layer that is arranged between the positive electrode and the negative electrode; a first layer that is formed of sodium fluoride and arranged between the negative electrode and the organic light emitting layer so as to be in contact with the organic light emitting layer; and a second layer that is arranged between the first layer and the negative electrode and contains a first material and a second material, said first material being composed of an organic material and containing electrons donated from the second material.. .
06/05/14
20140151673
Organic electroluminescence generating devices
An electroluminescence generating device comprising a channel of organic semiconductor material, said channel being able to carry both types of charge carriers, said charge carriers being electrons and holes; an electron electrode, said electron electrode being in contact with said channel and positioned on top of a first side of said channel layer or within said channel layer, said electron electrode being able to inject electrons in said channel layer; a hole electrode, said hole electrode being spaced apart from said electron electrode, said hole channel and positioned on top of within said channel layer, said hole electrode being able to inject holes into said channel; a control electrode positioned on said first side or on a second side of said channel; whereby light emission of said electroluminescence generating device can be acquired by applying an electrical potential difference between said electron electrode and said hole electrode.. .
06/05/14
20140151671
Organic electroluminescence light-emitting device and production method thereof
An object of the present invention is to provide an organic el light-emitting device in which a permeation and diffusion of moisture from outside are prevented and a stable light-emitting characteristic is able to be maintained for a long period. The present invention relates to an organic el light-emitting device comprising a sealing layer, a hygroscopic layer and a protective layer, which are aligned on the back of an organic electroluminescence element under a predetermined condition, wherein the sealing layer and the protective layer are constituted from a specific material, whereby it is possible to maintain a stable light-emitting characteristic for a long period together with suppressing the deterioration caused by moisture being permeated from outside..
06/05/14
20140151667
Amine derivative, organic electroluminescence material having the same and organic electroluminescence device using the material
Wherein, each of ar1 and ar2 independently represents a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group, l is a substituted or unsubstituted arylene group or a substituted or unsubstituted heteroarylene group, each of r1 and r2 independently represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, a is an integer satisfying 0≦a≦3, and at least one of ar1 and ar2 is substituted with at least one fluorine atom.. .
06/05/14
20140151666
Amine derivative, and organic electroluminescence material and organic electroluminescence device using the same
An amine derivative represented by compound (1) of following formula 1:. .
06/05/14
20140151665
Carbazole derivative and organic electroluminescence device using the same
In formula 1, x is a carbon atom or a nitrogen atom. At least one of x is a nitrogen atom.
06/05/14
20140151664
Benzoimidazole derivative, organic electroluminescence material and organic electroluminscence device
A benzoimidazole derivative includes two carbazole substituents connected to each other, and a benzoimidazole substituent connected to a benzene ring of one of the carbazole substituents through an aryl group.. .
06/05/14
20140151663
Organic electroluminescence device
An organic el device having a red light emitting area and a green light emitting area is provided. Each of the red light emitting area and the green light emitting area has a structure such that a first electrode having a light transmitting characteristic and an organic layer formed on the first electrode are stacked, and a second electrode having a light reflecting characteristic is disposed on the organic layers of the red and green light emitting areas.
06/05/14
20140151661
Amine derivative, organic electroluminescence material, and organic electroluminescence device including the same
An amine derivative having a phenanthroimidazole group, an organic electroluminescence material, and an electroluminescence device, the amine derivative being represented by formula 1, below:. .
06/05/14
20140151647
Material for organic electroluminescence device and organic electroluminescence device
An organic electroluminescence device employing a specific biscarbazole derivative having a cyano group as a first host and a compound having both a carbazole structure and a nitrogen-containing aromatic heteroring as a second host. The organic electroluminescence device has a prolonged lifetime..
05/29/14
20140146247
Organic metal complex and organic electroluminescence device using the complex
To provide an organic electroluminescence device that emits blue light and is excellent in luminescence properties (in particular, external quantum yield), and provide an organic metal complex including xanthone in a ligand of the following formula (1).. .
05/29/14
20140145159
Organic electroluminescence device
An organic electroluminescence device comprises a plurality of pixel defining layers (pdls) formed on a substrate, first electrodes formed in a space that is defined by the substrate and the pdls, white light emitting layers formed in a space that is defined by the first electrodes and the pdls, a second electrode formed on the white light emitting layers, first black matrices formed on the second electrode, and a color filter layer located adjacent to the first black matrices and spaced apart from the first black matrices.. .
05/22/14
20140142301
Organic electroluminescence material comprising azacarbazole derivative and organic electrolumunescence device having the same
Where x1 to x4 are each independently a nitrogen (n) atom or a carbon atom that is monovalently bonded to r1(c—r1), r1 is a hydrogen atom, a halogen atom, an aryl group having 6 to 18 carbon atoms, a hetero aryl group having 6 to 18 carbon atoms, or an alkyl group having 1-12 carbon atoms, r2 to r10 are each independently hydrogen, an aryl group having 6 to 30 carbon atoms, or hetero aryl group having 6 to 30 carbon atoms, and at least one of x1 to x4 is a nitrogen atom.. .
05/22/14
20140142300
Organic electroluminescence material and organic electroluminescence device including the same
An organic electroluminescence (el) material and an organic el device, the organic el material being represented by formula 1, below:. .
05/22/14
20140139569
Driving method of organic electroluminescence emission part
A driving method of a display device having a driving transistor and a display element, one source/drain region of the driving transistor connected to a power supply part, the other source/drain region connected to an anode electrode provided in the display element, the method includes the steps of: setting a potential of the anode electrode by applying a predetermined intermediate voltage to the anode electrode so that a potential difference between the anode electrode of the display element and a cathode electrode at the other end of the display element does not exceed a threshold voltage of the display element; and then holding the driving transistor in off-state while a drive voltage is applied from the power supply part to one source/drain region of the driving transistor.. .
05/22/14
20140138670
Organic electroluminescence element and compound used therein
An organic electroluminescence element in which a compound represented by the general formula below is used in a light-emitting layer exhibits a high emission efficiency and is inexpensive to provide. At least one of r1 to r8 and r17 represent an electron-donating group and the others represent a hydrogen atom; at least one of r9 to r16 represent an electron-withdrawing group that does not have an unshared electron pair at the α-position thereof and the others represent a hydrogen atom; z represents a single bond or >c═y; y represents o, s, c(cn)2 or c(cooh)2; provided that when z is a single bond, then at least one of r9 to r16 is an electron-withdrawing group that does not have an unshared electron pair at the α-position thereof..
05/22/14
20140138669
Delayed-fluorescence material and organic electroluminescence element using same
A delayed fluorescence material comprising a compound represented by the general formula below. At least one of r1 to r8 represent an electron-donating group and the others represent a hydrogen atom; at least one of r9 to r16 represent an electron-withdrawing group and the others represent a hydrogen atom..
05/22/14
20140138664
Organic electroluminescence display device and method for driving the same
In an organic electroluminescence display device (30) comprising an organic el element (26) having a structure wherein an organic luminescent medium (24) is sandwiched between a top electrode (20) and a bottom electrode (22), and a driving circuit (14) for driving the organic el element (26), the organic luminescent medium (24) comprises a host compound and a triplet-related luminous compound and the driving circuit (14) applies a electric pulse voltage or pulse current having a frequency of 30 hz or more and a duty ratio of 1/5 or less. In this way, it is possible to provide an organic el display device which consumes a low electric power and has a long luminous life span, and a method for driving the same..
05/15/14
20140135498
Organic electroluminescence device
An organic electroluminescence device material comprising a metal complex having a neopentyl group, for example, as shown below; and an organic electroluminescence device comprising a substrate having thereon a pair of electrodes and at least one organic layer between the electrodes, the organic layer containing a light emitting layer, wherein any one of the organic layer contains the organic electroluminescence device material.. .
05/15/14
20140131680
Organic electroluminescence device
An organic electroluminescence device includes an anode, a cathode, and an organic thin-film layer interposed between the anode and the cathode. The organic thin-film layer includes a phosphorescent-emitting layer containing a host and a phosphorescent dopant, and an electron transporting layer that is provided closer to the cathode than the phosphorescent-emitting layer.
05/08/14
20140124772
Organic electroluminescence display device
An organic electroluminescence display device is provided. The organic electroluminescence display device includes plural organic electroluminescence elements.
05/08/14
20140124760
Organometallic complexes, and organic electroluminescence device and display using the same
The definition of the above chemical formula 1 is the same as described in the detailed description.. .
04/24/14
20140114076
Materials for organic electroluminescence devices
The present invention relates to substituted benzo[c]phenanthrene derivatives and to the production and to the use thereof in electronic devices, and to the electronic devices themselves. The present invention relates in particular to benzo[c]phenanthrene derivatives substituted with at least one aromatic unit or at least one diarylamino unit..
04/24/14
20140114063
Organic electroluminescence material and organic electroluminescence device including the same
An organic electroluminescence (el) material and an organic el device including the same, the organic electroluminescence (el) material being represented by following chemical formula 1:. .
04/24/14
20140110692
Organic electroluminescent element
An organic electroluminescence device includes a first organic thin-film layer and a second organic thin-film layer between an anode and a cathode opposing the anode in this order from the anode side. The first organic thin-film layer includes a specific aromatic heterocyclic derivative a, and the second organic thin-film layer includes a specific aromatic heterocyclic derivative b.
04/17/14
20140103329
Organic electroluminescence device
Δst(h)=egs(h)−eg77k(h)<0.3(ev)  (2). .
04/17/14
20140103324
Organic electroluminescent element
The organic electroluminescence element in accordance with the present invention includes: a functional layer including a light-emitting layer and having a first surface and a second surface in a thickness direction; a first electrode layer positioned on the first surface of the functional layer; a second electrode layer positioned on the second surface of the functional layer; and a hygroscopic member absorbing moisture. The second electrode layer includes a patterned electrode.
04/17/14
20140103314
Organic electroluminescence device and method of manufacturing the same
An organic electroluminescence device includes a support substrate, a first transparent electrode on the support substrate, an organic light-emitting layer on the first transparent electrode, a second transparent electrode on the organic light-emitting layer, and a high refractive index layer arranged between the support substrate and the first transparent electrode, having at least one layer having a refractive index greater than or equal to a refractive index of the support substrate, having a light dispersion portion for dispersing incident light from the organic light-emitting layer, and having a planar surface contacting the first transparent electrode.. .
04/10/14
20140097427
Organic electroluminescence element and production method therefor
The organic electroluminescence element of the present invention includes: a first substrate; a second substrate facing the first substrate; an element member between the first and second substrates; first and second extension electrodes on first and second inner surfaces of the first and second substrates facing the element member; and an insulating member having an electrically insulating property. The element member includes: a functional layer including a light-emitting layer and having first and second surfaces in a thickness direction; and first and second electrode layers on the respective first and second surfaces of the functional layer.
04/03/14
20140091299
Organic electroluminescence element, illumination device, and display device
The purpose of the present invention is to provide: an organic electroluminescence element having a plurality of light-emitting dopants of different light-emitting wavelengths and emitting white light, the white-light-emitting organic electroluminescence element having excellent longevity, low-voltage driving, and chromatic stability, and also having a few dark spots; as well as an illumination device and a display device that use the element. This organic electroluminescence element contains at least one light-emitting layer sandwiched between a positive electrode and a negative electrode, the organic electroluminescence element characterized in that the light-emitting layer contribution ratio, defined as the ratio Δpl/Δel of the photoluminescence intensity decay rate to the electroluminescence intensity decay rate, is 0.3 to 1.0..
03/27/14
20140084277
Organic electroluminescence element
The organic electroluminescence element in accordance with the present invention includes: a light-emitting layer; a first electrode layer disposed on a first surface in a thickness direction of the light-emitting layer; a second electrode layer disposed on a second surface in the thickness direction of the light-emitting layer; and an electrically conductive layer. The light-emitting layer is configured to emit light when a predetermined voltage is applied between the first electrode layer and the second electrode layer.
03/27/14
20140084270
Organic electroluminescence device
An organic electroluminescence device includes an anode, a cathode, a first organic layer and an emitting layer including a luminescent material, in which the first organic layer and the emitting layer are interposed between the anode and the cathode in this sequence from the anode. The emitting layer contains a first material represented by the following formula (1-1) and a second material.
03/20/14
20140078120
Organic electroluminescence display panel and display device including the same
An organic electroluminescence (el) display panel includes a substrate, a thin film transistor on the substrate, an overcoat layer on the thin film transistor and containing an organic material, a first electrode on the overcoat layer, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, and a barrier layer between the overcoat layer and the first electrode and including a first region formed of a single layer and a second region formed of a multilayer.. .
03/20/14
20140077200
Aromatic amine derivatives and organic electroluminescent device using same
The present invention provides a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer, particularly a hole injecting layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Use of the aromatic amine derivative described above materialize an organic electroluminescence device which reduces an operating voltage and makes molecules less liable to be crystallized and which enhances a yield in producing the organic el device and has a long lifetime..
03/20/14
20140077198
Organic electroluminescence display device
An organic electroluminescence display device includes a p-doped layer doped with a p-type dopant on an anode electrode, a p-type dopant diffusion blocking layer on the p-doped layer, a first hole transport layer on the p-type dopant diffusion blocking layer, a light emitting layer on the first hole transport layer, an electron transport layer on light emitting layer, and a cathode electrode on the electron transport layer, the p-doped layer, the p-type dopant diffusion blocking layer, the hole transport layer, and the light emitting layer being stacked in the stated order on the anode.. .
03/20/14
20140077197
Organic electroluminescence display device and method for manufacturing the same
The organic electroluminescence display device has a laminated portion on a base substrate. The device may have a cavernous portion formed by exploding a part of the laminated portion in a screening processing.
03/20/14
20140077191
New compound, organic electroluminescence device material, organic electroluminescence device and electronic device
A compound is represented by a formula (1) below. In the formula (1), x1 to x8 each independently represent a carbon atom to be bonded to a group represented by the following formula (20), crx or a nitrogen atom.
03/20/14
20140077171
Organic electroluminescence display unit, method of manufacturing organic electroluminescence display unit, and color filter substrate
A display device includes a first electrode, an organic layer including a light emitting region, and a second electrode. The display device also includes a conductive layer electrically connected to the second electrode and including an opening corresponding to the light emitting region..
03/20/14
20140077169
Organic electroluminescent device
According to one embodiment, an organic electroluminescence device includes a first electrode, a second electrode, a first organic layer and a second organic layer. The second electrode includes a metal.
03/13/14
20140073784
Aromatic heterocyclic derivative, material for organic electroluminescence element, and organic electroluminescence element
An organic el device includes an anode, an emitting layer, an electron transporting zone and a cathode in this sequence, in which the electron transporting zone contains an aromatic heterocyclic derivative represented by a formula (1) below. In the formula (1), x1 to x3 are a nitrogen atom or cr1, and a is represented by a formula (2) below.
03/06/14
20140061630
Aromatic amine derivative and organic electroluminescence device
An aromatic amine derivative having a specific structure. An organic electroluminescence device which is composed of one or more organic thin film layers sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers, especially a hole transporting layer, contains the aromatic amine derivative.
03/06/14
20140061628
Fused aromatic derivative and organic electroluminescence device using the same
Wherein ra and rb are independently a hydrogen atom or a substituent, p is an integer of 1 to 8 and q is an integer of 1 to 11, and when p and q are two or more, ras and rbs may be independently the same or different, and adjacent substituents ras may form a ring, l1 is a single bond or a substituted or unsubstituted divalent linking group, and ar1 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, provided that when l1 is a single bond and at least one of ras is not a hydrogen atom, ar1 is not a triphenylenyl group, and provided that substituents of l1 and ar1, and ra and rb contain no amino group.. .
03/06/14
20140061627
Organic el element and solution containing organic el material
An organic electroluminescence device (1) includes: an anode (3); a cathode (4); and an organic thin-film layer (10) interposed between the anode (3) and the cathode (4). The organic thin-film layer (10) includes a phosphorescent-emitting layer (5) containing a host and a phosphorescent dopant.
03/06/14
20140061622
Organic electroluminescence device
An organic electroluminescence device according to the invention includes: a cathode; an anode; and an organic layer being interposed between the cathode and the anode, the organic layer comprising one or more layers comprising at least an emitting layer. The emitting layer contains: an anthracene derivative represented by a formula (1) below; and a pyrene derivative represented by a formula (21) below..
03/06/14
20140061602
Organic electroluminescence device
An organic electroluminescence device contains an anode and a cathode facing each other, and intervening therebetween at least two hole transporting layers and a light emitting layer sequentially, and one of the hole transporting layers contains a compound having a particular structure having a fluorene structure at the center thereof, and is not adjacent to the light emitting layer. The organic electroluminescence device has a hole transporting layer having an increased thickness, is capable of being controlled in the thickness of the optical film, and has an enhanced device capability..


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Organic Electroluminescence topics: Organic Electroluminescence, Carbon Atoms, Semiconductor, Semiconductor Material, Alkyl Group, Display Panel, Binding Energy, Lighting Apparatus, Amine Unit, Ion Source, Shadow Mask, Hydrocarbon, Polysilazane, Carbon Dioxide, Optical Storage

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