УФ-ИЗЛУЧАЮЩИЕ ЛЮМИНОФОРЫ

Изобретение предназначено для осветительной техники и медицины. Преобразующий длину волны материал включает соединение формулы (YScLaGdLu)(SO):Me, где Me - трехвалентный катион или смесь трехвалентных катионов, способных испускать УФ-C излучение, например, Pr, Ndи Bi; каждый из w, x, y и z находится в диапазоне от 0,0 до 1,0; w+x+y+z≤1,0; 0,0005≤a≤0,2. Указанный материал получают реакцией оксида Y, Lu, Sc, La или Gd с сульфатом или оксидом трехвалентного катиона в среде, содержащей серную кислоту, которую затем удаляют. Полученный материал используют в преобразующих длину волны экранах или покрытиях, осветительных или медицинских устройствах, системах ультрафиолетового освещения, стерилизации, дезинфекции или очистки. Осветительное устройство представляет собой разрядную лампу, включающую разрядный сосуд, содержащий газ, в состав которого входит один и более из Ar, Kr, Xe, F, Cl, Brи I, причем по меньшей мере часть стенки разрядного сосуда снабжена указанным материалом. Медицинское устройство ...

Durch elektrisches Feld lichtemittierende Vorrichtung

Thin film electroluminescent device

A TFEL device (12) utilising a luminescent dopant concentration > 0.5 Wt%, such that high intensity operation may be realized via high frequency drive signals (corresponding to those used for active matrix addressing of arrays of TFEL pixels) is disclosed. Also disclosed is a method of manufacturing such a device with integral drive and addressing circuitry, comprising growing a TFEL device (12) onto the drain or extended drain of a MOSFET (10) (and/or onto the electrode of a shunt capacitance) and providing the TFEL device with top (12a) and bottom (12b) contacts, grounding the source of the MOSFET and providing a high voltage supply line to the top contact (12a) of the TFEL, such that when the MOSFET is turned on, emission from the TFEL device is initiated, said emission being capable of being turned on or off by application of a small voltage signal to the gate (10c) of the MOSFET. The active phosphor layer 12e is of manganese-doped zinc sulphide. ...

A METHOD FOR MANUFACTURING A THIN-FILM EL DEVICE

HIGH-EFFICIENT MULTI COLOR ONES ELEKTROPHOSPHORESZENTE OLEDS

SOLID LIGHTING COMPOSITIONS AND SYSTEMS

EL PANEL

In an EL panel comprising EL phosphor thin films of three types which emit red, green and blue light, respectively, the EL phosphor thin films of three types commonly and essentially contain Eu as a luminescence center. The EL panel comprising such phosphor thin films eliminates a need for RGB phosphor filters, has a satisfactory color purity and is best suited for driving RGB in full-color EL display.

HIGH LUMINANCE THIN-FILM ELECTROLUMINESCENT DEVICE

Organic electroluminescent device

An organic electroluminescent device ( 1 ) including: an anode ( 10 ) and a cathode ( 30 ), and an emitting layer ( 20 ) including an anode-side region ( 22 ), an internal region ( 24 ) and cathode-side region ( 26 ) provided between the anode ( 10 ) and the cathode ( 30 ); each of the regions ( 22 ), ( 24 ) and ( 26 ) including a host compound of an organic material and a dopant of a metal complex containing a heavy metal and exhibiting light emitting properties originated from a triplet state; the dopant concentration of the internal region ( 24 ) being higher than the dopant concentrations of the anode-side region ( 22 ) and the dopant concentration of the cathode-side region ( 24 ).

Enhanced single layer multi-color luminescent display with coactivators

The invention is an enhanced single-layer, multi-color luminescent display 10' comprising an insulator substrate 11' and a single layer of host material 13' having a smooth, flat top surface deposited thereon that hosts one or more different activators, therein forming a pattern of selected and distinctly colored phosphor areas 14', 16' and 17' which may be green, red and blue respectively in the single layer of host material 13'. Transparent electrical conductor means 12' may be provided for subjecting selected areas of the pattern of colored phosphor areas to an electric field thereby forming a multi-color, single layer electroluminescent display. A coactivator such as phosphorus (P) may be selectively introduced into one or more of the phosphor areas 16' and 17' to enhance the brilliance of the color or colors of the one or more selected phosphor areas without changing the electric field. A method of forming a multi-color luminescent display incudes the steps of depositing on an insulator substrate 10', a single layer of host material 12' with the properties to host varying quantities of different activators and a common activator into selected areas 14', 16' and 17' of said single layer of host material 12' as by thermal diffusion or ion-implementation to form a pattern of phosphor areas 16' and 1740 of selectively enhanced colors in said single layer of host material 12'.

Thin film electroluminescent device

A thin film electroluminescent (EL) device comprises a pair of opposing electrodes formed on a substrate of a transparent electrical insulator, and an EL layer formed between the electrodes and covered at both surfaces with insulating layers respectively. Strontium sulfide is used as a host material of the EL layer, and its crystals tend strongly to have a (200) orientation, so that the resistance to free transit of electrons participating in emission of luminescence is substantially eliminated to ensure a higher brightness.

Blue organic electroluminescent device comprising dopants having ultraviolet and visible luminescent properties

A blue organic electroluminescent device ( 1 ) including at least an emitting layer ( 40 ) between an anode ( 20 ) and a cathode ( 60 ), the emitting layer ( 40 ) including a host material and a plurality of dopants, at least one of the dopants having ultraviolet luminescent properties.

AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME

ORGANIC ELECTROLUMINESCENCE ELEMENT

PREPARING THIN-FILM ELECTROLUMINESCENT DEVICES

A high luminance thin-film electroluminescent device is prepared layer by layer to comprise a phosphor layer with SrS as the host material and a metal selected from Mn, Tb, Tm, Sm, Ce, Eu, Pr, Nd, Dy, Ho, Er and Cu as the luminous center sandwiched between two insulating layers, with two thin-film electrodes provided on each side of the insulating layers, at least one of the electrodes being transparent. The phosphor layer comprising SrS as the host material is annealed at a temperature of at least 650 DEG C for at least one hour in an atmosphere of a sulfur-containing gas, such as hydrogen sulphide, carbon dissulphide, sulfur vapour, a dialkyl sulphide, thiophene, or a mercaptan. ...

HIGH LUMINANCE THIN-FILM ELECTROLUMINESCENT DEVICE

Electroluminescent devices

A TFEL device utilising a luminescent dopant concentration > 0.5 Wt%, such that high intensity operation may be realised via high frequency drive signals is disclosed. The radiation decay time resulting from Mn doping at such concentration is less than that for conventional devices. The optimum level of Mn doping in ZnS at > 0.5 Wt% is determined by a combination of high intensity response 4 and short decay times response 6. Devices with these levels of Mn concentration may by driven at frequencies required for active matrix addressing. The dopant may alternatively be terbium fluoride or terbium.

A method for manufacturing a thin-film EL device

PROCEDURE FOR THE PRODUCTION OF A SAMPLE OF AN ORGANIC THIN SECTION FOR AN ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE

ORGANIC LIGHT EMISSION ELEMENT WITH HIGH LUMINESCENCE EFFICIENCY

ORGANIC LIGHT EMITTING DEVICE IN WHICH THE PROPERTY INCLUDING THE LUMINOUS EFFICIENCY AND THE SERVICELIFE IS IMPROVED

PURPOSE: An organic light emitting device is provided to make the organic light emitting device of high efficiency, low voltage, high brightness, and longevity by using hole injection material suitable for the fluorescence. CONSTITUTION: An organic light-emitting device comprises a first electrode, a second electrode, a light-emitting layer, a first hole injection layer, and a second hole injection layer. The light-emitting layer is positioned between the first electrode and the second electrode, the first hole injection layer is positioned between the first electrode and light-emitting layer. The second hole injection layer is positioned between the first hole injection layer and light-emitting layer. The second hole injection layer comprises a second organic compound for the hole injection layer formation and metal oxide. The first hole injection layer in the organic light-emitting device comprises the mixture of the organic compound for metal fluoride and the hole injection layer formation ...

Organic light emitting diode devices with improved operational stability

Donor film for laser induced thermal imaging method and organic electroluminescence display device fabricated using the film

A donor film for laser induced thermal imaging method having a base film, a light-to-heat conversion layer formed on the base film, a reflection layer or a metal layer formed on the light-to-heat conversion layer, and a transfer layer formed on the reflection layer and formed of an organic material. The donor film is capable of reducing an edge open defect and increasing The amount of energy absorbed into the light-to-heat conversion layer by forming either the reflection layer or the metal layer between the light-to-heat conversion layer and the transfer layer, preventing damage of the substrate by not transmitting a laser beam to the substrate and prevents deterioration of the transfer layer by preventing gas generated from the light-to-heat conversion layer by heat from penetrating into the transfer layer and dissipating heat transferred to the transfer layer well into the transfer layer.

ORGANIC ELECTROLUMINESCENT DEVICE

The invention relates to an organic electroluminescent device and a method of manufacturing such a device. By patterned exposure of an alkylatable-compound-containing organic layer of the device to an alkylating agent, a device is obtained which, in operation, exhibits patterned light emission, without it being necessary to structure the electrode layers. A salt is locally formed by means of alkylating in accordance with a pattern. If the salt contains ions which can move under the influence of an electric field, the threshold voltage necessary to produce light emission is reduced.

有機電界発光素子

Organic electroluminescent devices

The organic emissive layer has two outer layers 32a in contact with either the hole injecting and transporting layer or the electron injecting and transporting layer, and has an inner layer 32b interposed between the two outer layers. The two outer layers are composed of a host material and a first fluorescent dopant, and the inner layer is composed of a host material, a first fluorescent dopant and a second fluorescent dopant. The first fluorescent dopant has a larger bandgap than the second fluorescent dopant. The electroluminescent device may be used for RGB pixels having uniform driving currents and white colour in full colour displays.

Manufacture of thin-film electroluminescent elements

PURPOSE:To improve a method for manufacturing a luminous layer and provide a thin film electroluminescent element of high luminous brightness. CONSTITUTION:A zinc sulfide thin film with a dopant added as a luminescent center is formed and in this case, the mixed gas of hydrogen sulfide and argon gas is introduced through a gas introduction inlet 13. Also, zinc and a dopant target 8 are sputtered with argon gas, and the temperature of a glass substrate 1 is maintained within the range of 380 to 480 deg.C. In addition, the sputtered zinc and dopant vapor are made to react with hydrogen sulfide gas, thereby forming a luminescent layer on the substrate 1.

Organic Electroluminescent device

BY ELECTRICAL FIELD LIGHT WITH ANIMAL END OF DEVICE

ORGANIC ELECTRICAL LUMINESCENCE DEVICE

Electro-luminescent arrangements with thiophene carboxylate metal complexes

Light emitting surface body structure

High efficiency multi-color electro-phosphorescent oleds

THIN FILM ELECTROLUMINESCENT DEVICE

An electroluminescent device having high-contrast and/or high-reliability is provided. The electroluminescent device comprises a pair of electrodes - at least one of which is transparent to electroluminescent light, and a phosphor layer which is disposed between the electrodes. The phosphor layer has a host crystal lattice, a first dopant and a second dopant. The first dopant cooperates with the host crystal lattice to cause light emission when a voltage is applied across the pair of electrodes, and the second dopant further distributes the first dopant in the host crystal lattice to increase light emission from the phosphor layer.

ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE USING THE SAME

Cyclometallated tetradentate pt (II) complexes

Novel phosphorescent tetradentate platinum (II) compounds are provided. The compounds contain an isoimidazole moiety, optionally further substituted with a twisted aryl. These compounds may be advantageously used in OLEDs.

ORGANIC ELECTROLUMINESCENCE ELEMENT

Provided is a high efficiency organic EL element wherein the probability of carrier recombination in an emission layer is prevented from declining without increasing the number of materials in an emission layer and the number of lamination layers composing an element. An organic EL element comprises a substrate, a pair of electrodes provided on the substrate, and an organic EL layer provided between the pair of electrodes, wherein the organic EL layer has at least an emission layer and a hole transport layer, the emission layer consists of first and second regions adjoining the hole transport layer, and at least one kind of one or a plurality of kinds of emission dopants is characterized in that (a) the concentration in the first region is higher than the concentration in the second region, and that (b) the ionization potential is higher than the ionization potential of the material of hole transport layer and lower than the ionization potential of the host material of emission layer.

Thin film el device

The present invention relates to a modification of a thin film EL device for performing an EL emission according to an electric field being applied, and in particular to a thin film EL device for providing a stable luminance for a long time and for improving the luminance of a blue color display. Therefore, a light emission layer (4) is composed of a sulfide of an alkaline earth metal as a basic material. Insulation layers (3) and (5) disposed adjacent to the light emission layer (4) are composed of a sulfate or a carbonate of an alkaline earth metal. The light emission layer (4) is composed of SrS as a basic material, Ce as a light emission substance, and a Pb dopant as a coactivator.

Method of manufacturing encapsulated doped particles

Doped encapsulated semiconductor nanoparticles of a size (<100 ANGSTROM ) which exhibit quantum effects. The nanoparticles are precipitated and coated with a surfactant by precipitation in an organometallic reaction. The luminescence of the particles may be increased by a further UV curing step.

Phosphor layer of an electroluminescent component

The present invention relates to a multilayer phosphor layer system for an electroluminescent display. The phosphor layer according to the invention is comprised of several superimposed host matrix material layers (7) and interposed activator-containing doping layers (9, 10). The activator-containing doping layers (9, 10) are extremely thin, whereby disturbance to crystal growth of the host matrix material at the doping layer (9, 10) is avoided. The activator-containing doping layer (9, 10) can be comprised of an actual activator layer (10) and a matching layer (9) adapted between said host matrix material layer (7) and said actual activator layer (10), whereby said matching layer (9) improves the matching between said host matrix material layer (7) and said actual activator layer (10). By virtue of the layered structure, it is possible to use such host matrix/activator material pairs that otherwise would be useless due to their poor efficiency or weak light emission.

ORGANIC ELECTROLUMINESCENT DEVICE

Disclosed is a highly reliable organic electroluminescent device, in particular, a phosphorescent organic electroluminescent device using a low-molecular-weight host material, wherein a good balance between electron and hole injection and an efficient mechanism of phosphorescence are maintained. The organic electroluminescent device contains a light-emitting layer between an anode layer and a cathode layer and the light-emitting layer comprises a phosphorescent dopant material and a host material with a molecular weight of not more than 10,000. The host material is composed of a first host material and a second host material that is different from the first host material and the first host material differs from the second host material by not more than 0.1 eV in the ionization potential (IP), by not more than 0.1 eV in the electron affinity (EA), and by not more than 0.1 eV in the triplet energy (T1).

Organic electroluminescence element

An organic electroluminescence element including an organic layer including a light-emitting layer between a pair of electrodes, wherein the light-emitting layer contains at least two light-emitting materials having different Ea values and at least one host material, a concentration of a light-emitting material having a larger Ea value in the light-emitting layer gradually decreases from a cathode side toward an anode side, and a concentration of a light-emitting material having a smaller Ea value in the light-emitting layer gradually decreases from the anode side toward the cathode side.

Verfahren zur Herstellung eines Musters einer organischen Dünnschicht für eine organische Elektrolumineszenzanzeigevorrichtung

BY ELECTRICAL FIELD LIGHT WITH ANIMAL END OF DEVICE

ORGANIC ELECTRICAL LUMINESCENCE ELEMENT

HIGH LUMINANCE THIN-FILM ELECTROLUMINESCENT DEVICE

A high luminance thin-film electroluminescent device comprising a phosphor layer comprising SrS as the host material and a luminous center. The phosphor layer is sandwiched between two insulating layers and two thin-film electrodes are provided on each side of the insulating layers. At least one of the electrodes is transparent, and the excitation spectrum of the phosphor layer exhibits a peak having a maximum value at a wavelength of about from 350 nm to 370 nm. Such a high luminance thin-film electroluminescent device can be prepared by annealing its phosphor layer comprising SrS as the host material at a temperature of at least 650 .degree.C for at least one hour in an atmosphere of a sulfurcontaining gas.

INORGANIC PHOSPHOR EMITTING LIGHT BASED ON NOVEL LUMINESCENCE CENTER, AND ELECTROLUMINESCENT DEVICE EMPLOYING IT

PURPOSE: An inorganic phosphor, a light emitting device containing the phosphor, and a direct current thin film type inorganic electroluminescent device containing the phosphor are provided to improve luminous efficiency and lifetime. CONSTITUTION: An inorganic phosphor comprises a host material which comprises at least one host compound selected from the group consisting of a compound of the group 2 element and the group 16 element in the periodic table and a compound of the group 12 element and the group 16 element in the periodic table, or the mixed crystal of the host compound; and a dopant which comprises at least one metal element selected from the group consisting of a first metal element belonging to the second transition metal of the groups 6~11 in the periodic table and the second metal element belonging to the third transition metal of the groups 6~11 in the periodic table, and does not contain Cu and Mn. © KIPO 2009 ...

IMPROVED DOPING METHODS FOR HOLE INJECTION AND TRANSPORT LAYERS

High luminance thin-film electroluminescent device

A high luminance thin-film electroluminescent device comprising a phosphor layer comprising SrS as the host material and a luminous center. The phosphor layer is sandwiched between two insulating layers and two thin-film electrodes are provided on each side of the insulating layers. At least one of the electrodes is transparent, and the excitation spectrum of the phosphor layer exhibits a peak having a maximum value at a wavelength of about from 350 nm to 370 nm. Such a high luminance thin-film electroluminescent device can be prepared by annealing its phosphor layer comprising SrS as the host material at a temperature of at least 650 ° C. for at least one hour in an atmosphere of a sulfur-containing gas.

Electroluminescent device and method for producing same

In an electroluminescent device wherein a first electrode, a first insulating layer, a luminescent layer, a second insulating layer, and a second electrode are laminated in that order on a transparent electrode, the luminescent layer is made of ZnS as a host material and Tb, O, F, and Cl as additives Cl/Tb and Cl/F atomic ratios in the luminescent layer are each between 0.002 and 0.2 inclusively, and Cl concentration in the luminescent layer is between 0.002 at % and 0.2 at % inclusively. By adding a predetermined amount of Cl as mentioned above, the luminescent efficiency and luminescent brightness of the electroluminescent device can be improved.

Diarylamino matrix material doped with a mesomeric radialene compound

The present invention relates to a doped organic semiconductive matrix material. In particular, the invention relates to a diarylamino matrix material doped with a mesomeric radialene (also called cyclopropane-1,2,3-triylidiene) compound.

Thin film electroluminescent device and method of manufacturing the same

The thin film EL device includes a luminescent layer (21) made of column polycrystals formed by independently evaporating luminescent host material and an activator (Im) and then combining evaporated substances on a substrate.

Electrons (E) in the luminescent layer (21) are accelerated by electric field applied from outside efficiently collide against the activator (Im) without being intercepted by interfaces between crystalline particles. The thin film EL device can be used for display, illumination, writing, reading out and erasure of signals of photo-recording medium.

Thin film electroluminescent layer material

Disclosed is a thin film electroluminescent layer of a thin film electroluminescent device comprising, as a light-emitting medium, a body of a mixture of ZnS and at least one sulfide selected from MgS, CaS, SrS and BaS. The ZnS and the selected sulfide are doped with a transition metal or rare earth element which is optically active in the matrix. This EL device has good moisture resistance and weatherability and is capable of emitting a color with a high brightness.

DUENNSCHICHT-ELEKTROLUMINESZENZBAUELEMENT UND VERFAHREN ZU SEINER HERSTELLUNG

A high luminance thin-film electroluminescent device comprises a phosphor layer comprising SrS as the host material and a luminous center. The phosphor layer is sandwiched between two insulating layers and two thin-film electrodes are provided on each side of the insulating layers. At least one of the electrodes is transparent, and the excitation spectrum of the phosphor layer exhibits a peak having a maximum value at a wave-length of about from 350 nm to 370 nm. Such a high luminance thin-film electroluminescent device can be prepared by annealing its phosphor layer comprising SrS as the host material at a temperature of at least 650 DEG C for at least one hour in an atmosphere of a sulfur-containing gas. ...

Durch elektrisches Feld lichtemittierende Vorrichtung.

THIN FILM ELECTROLUMINESCENT DEVICE

Materials and devices for blue phosphorescence based organic light emitting diodes

ELECTROLUMINESCENT DEVICE HAS THIN LAYER AND HAS GREAT BRIGHTNESS

유로퓸 또는 사마륨-도핑된 테르븀 몰리브덴산염

... 본 발명은 유로퓸 또는 사마륨-도핑된 테르븀 몰리브덴산염, 상기 화합물의 제조 방법, 및 변환 인광체로서 청구된 유로퓸 또는 사마륨-도핑된 테르븀 몰리브덴산염의 용도에 관한 것이다. 또한, 본 발명은 청구된 유로퓸 또는 사마륨-도핑된 테르븀 몰리브덴산염을 함유하는 발광 장치에 관한 것이다.

OLED device with a performance-enhancing layer

An organic light-emitting device with improved performance including an anode formed over a substrate; a light-emitting layer formed over the anode for producing light in response to hole-electron recombination; and a performance-enhancing layer formed, over the light-emitting layer including one or more chemical reducing materials selected to improve the performance of the organic light-emitting device. The device also includes an electron-transporting layer formed over the performance-enhancing layer, and a cathode formed over the electron-transporting layer.

THIN-FILM EL ELEMENT

An improved thin-film EL element that exhibits electroluminescence in response to the application of an electric field, that maintains high brightness over a long period, and that exhibits improved brightness in blue display. A light-emitting layer (4) is made of a sulfide of an alkaline earth metal as the base material, and insulating layers (3) and (5) in contact with the light-emitting layer (4) are made of a sulfate or a carbonate of an alkaline earth metal. Further, the light-emitting layer (4) contains Ce as luminescence center in the base material of SrS and is doped with Pb as a coactivator.

INORGANIC PHOSPHOR

An inorganic phosphor includes: a host material that contains at least one host compound selected from the group consisting of compounds of group 2 element with group 16 element of the periodic table and compounds of group 12 element with group 16 element of the periodic table, or a mixed crystal of the host compound; and a dopant that includes at least one metal element selected from the group consisting of first metal elements belonging to second transition series of from group 6 to group 11 of the periodic table and second metal elements belonging to third transition series of from group 6 to group 11 of the periodic table, and does not include Cu and Mn.

ORGANIC LIGHT EMITTING DEVICE

An organic light emitting device includes a first electrode; a second electrode; an emissive layer disposed between the first electrode and the second electrode; a first hole injection layer disposed between the first electrode and the second electrode; and a second hole injection layer disposed between the first electrode and the second electrode. The first hole injection layer includes a metal fluoride and a first organic hole injection layer forming compound, and the second hole injection layer includes a metal oxide and a second organic hole injection layer forming compound ...

Material selecting method upon purifying iridium complex by sublimation

Provided is a material selecting method used upon purifying an iridium complex by sublimation which includes: selecting an iridium complex having a specific structure and having a rate of weight loss of 45% or greater when heated to 500° C. at a heating rate of 2° C./min under the degree of vacuum of from 1×10 −3 Pa to 1×10 −1 Pa; and carrying out sublimation purification.

Method of manufacturing a thin film EL device by multisource deposition method

Organic light emitting element and organic light emitting device including the same

An organic light emitting element and an organic light emitting device including the same is provided. At least one p-type or n-type overdoping layer is formed between two light emitting members forming a p-n junction in the organic light emitting element.

ОРГАНИЧЕСКОЕ СОЕДИНЕНИЕ И ОРГАНИЧЕСКОЕ СВЕТОИЗЛУЧАЮЩЕЕ УСТРОЙСТВО, В КОТОРОМ ПРИМЕНЯЕТСЯ ТАКОЕ ОРГАНИЧЕСКОЕ СОЕДИНЕНИЕ

FIELD: chemistry. SUBSTANCE: invention relates to an compound of general formula (1), where each of R 1 -R 8 , R 10 and R 13 represent a hydrogen atom; each of R 9 and R 14 represents a group selected from a hydrogen atom, a tert-butyl group, a phenyl group and a naphthyl group, wherein the phenyl group contains at least one substitute selected from a methyl group, a tert-butyl group and a phenyl group, or is unsubstituted; one of R 11 and R 12 represents a hydrogen atom, and the other of R 11 and R 12 represents a group selected from a naphthyl group, a phenanthrenyl group, an anthracenyl group, a perylenyl group, a chrysenyl group, a benzo-s-phenanthrenyl group, a fluorenyl group, a fluoranthenyl group, a benzofluoranthenyl group and a naphthofluoranthenyl group, wherein the naphthyl group contains a phenyl group as a substitute or is unsubstituted, the anthracenyl group contains a phenyl group as a substitute or is unsubstituted, the chrysenyl group contains a phenyl group as a substitute or is unsubstituted, the fluorenyl group contains a methyl group as a substitute, the fluoranthenyl group contains at least one substitute selected from a tert-butyl group and a phenyl group, or is unsubstituted, and the benzofluoranthenyl group contains at least one substitute selected from a phenyl group, a phenyl group substituted with a methyl group, and a phenyl group substituted with a tert-butyl group, or is unsubstituted The invention also relates to an organic light-emitting device and a display device using said substance. EFFECT: light-emitting organic devices using said compound demonstrate high colour purity, emission efficiency and long service life 4 cl, 6 tbl, 9 ex, 1 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 459 795 (13) C1 (51) МПК C07C C09K H01L C07C C07C C07C ФЕДЕРАЛЬНАЯ СЛУЖБА C07C ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ C07C (12) ОПИСАНИЕ 13/62 11/06 51/50 2/86 25/22 43/21 211/61 5/56 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ...

ORGANIC ELECTROLUMINESCENT DEVICE

An organic electroluminescent device 10 has an anode 14, a cathode 18 disposed facing the anode, and an organic layer 16 that is sandwiched between the anode and the cathode and that includes at least a light emitting layer, wherein the light emitting layer includes a light emitting material having electron transportability, a host material having hole transportability and an electrically inert material, and the concentration of the light emitting material having electron transportability gradually decreases from the cathode side toward the anode side. Preferably, the concentration of the electrically inert material also gradually decreases from the cathode side toward the anode side. COPYRIGHT KIPO & WIPO 2010 ...

ORGANIC ELECTROLUMINESCENT DEVICE

An organic EL device includes at least a light-emitting layer provided between a pair of electrodes. The light-emitting layer includes at least a hole transporting host material and an electron transporting phosphorescent material, and the concentration of the electron transporting phosphorescent material in the light-emitting layer decreases from a cathode side toward an anode side.

HETEROLEPTIC LIGHT-EMIITING COMPLEXES

ELEKTROLUMINSZENTES DÜNNFILMELEMENT

PREPARING THIN-FILM ELECTROLUMINESCENT DEVICES

Light emitting surface body structure

EL PANEL

In an EL panel comprising EL phosphor thin films of three types which emit red, green and blue light, respectively, the EL phosphor thin films of three types commonly and essentially contain Eu as a luminescence center. The EL panel comprising such phosphor thin films eliminates a need for RGB phosphor filters, has a satisfactory color purity and is best suited for driving RGB in full-color EL display.

LIGHT EMITTING SURFACE BODY STRUCTURE

A light emitting surface body structure characterized by comprising an LED (light emitting diode) light source radiating ultraviolet or near ultraviolet, and a surface body disposed on the front side thereof, the surface body being an optically transparent resin molding having dispersed therein optically transparent inorganic particles together with a fluorescent material and/or phosphor.

CYCLOMETALLATED TETRADENTATE PT(II) COMPLEX CONTAINING AN ISOIMIDAZOLE PART WHICH RANDOMLY SUBSTITUTED WITH TWIST ARYL

PURPOSE: A cyclometallated tetradentate Pt(II) complex is provided to be easily used in an OLED(Organic Light Emitting Diode). CONSTITUTION: A cyclometallated tetradentate Pt(II) complex is denoted by chemical formula I. In chemical formula I, A, B, and C are independently a 5- or 6-membered carboxycyclic or heterocyclic ring; L_1 and L_3 are independently selected from a group consisting of a single bond, BR, NR, PR, O, S, Se, C=O, S=O, SO_2, CRR', SiRR', and GeRR'; and L_2 is selected from a group consisting of BR, NR, PR, O, S, Se, C=O, S=O, SO_2, CRR', SiRR', and GeRR'. COPYRIGHT KIPO 2013 ...

INORGANIC ELECTROLUMINESCENT DEVICE

EUROPIUM- OR SAMARIUM-DOPED TERBIUM MOLYBDATES

The invention relates to europium or samarium-doped terbium molybdates, to a method for producing said compounds, and to the use of the claimed europium or samarium-doped terbium molybdates as conversion lumiophores. The invention also relates to a light-emitting device containing a claimed europium or samarium-doped terbium molybdate. 1. Compound of the formula I ,{'br': None, 'sub': 2', 'x', '1-b', 'b', 'y', '3x+3y, '(Tb)(MoW)O:Ln\u2003\u2003I'}in which{'sup': 3+', '3+, 'Ln denotes Sm or Eu;'}x denotes 1, 2 or 3;1≦y≦8; and0≦b<1.2. Compound according to selected from the formula Ia{'br': None, 'sub': 2-a', 'a', 'x', '1-b', 'b', 'y', '3x+3y, '(TbLn)(MoW)O\u2003\u2003Ia'}{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'in which Ln, x, y and b have one of the meanings indicated in , and 0.1≦a≦1.'}3. A compound according to claim 1 , characterised in that they are in phase-pure form.4. A compound according to claim 1 , in which 0.2≦a≦1.5. A compound according to claim 1 , in which 0.4≦a≦1.6. A compound according to claim 1 , in which Ln is equal to Sm.7. A compound according to claim 1 , in which x is equal to 1.8. A compound according to claim 1 , in which y is equal to 3.9. A compound according to claim 1 , in which b is equal to 0.10. A process for the preparation of a compound according to claim 1 , characterised in that claim 1 , in a step a) claim 1 , suitable starting materials selected from nitrides claim 1 , and oxides or corresponding reactive forms of a europium or samarium source claim 1 , a molybdenum source and a terbium source claim 1 , and optionally a tungsten source claim 1 , are mixed claim 1 , and claim 1 , in a step b) claim 1 , the mixture is thermally treated.11. A method which comprises partially or completely converting a blue or near-UV emission into visible light of a longer wavelength claim 1 , which comprises converting the blue or near-UV emission using a compound according to .12. An emission-converting material comprising a compound ...

ORGANIC ELECTROLUMINESCENT ELEMENT, AND ILLUMINATION DEVICE AND DISPLAY DEVICE EACH COMPRISING THE ELEMENT

Provided is an o organic electroluminescence element comprising an anode, a cathode and a plurality of composing layers including a light emitting layer sandwiched between the anode and the cathode, wherein an electron transport layer containing the compound represented by Formula (1) is included in the composing layers; the light emitting layer contains a phosphorescence emitting organic metal complex; and the cathode or one composing layer adjacent to the cathode contains a metal or a metal compound belonging to Group 1 or Group 2 of the periodic table of elements, provided that the metal exhibits a standard electrode potential larger than −3 V vs. SHE in a system of the metal ion (M n+ )/the metal (M):

ORGANIC ELECTROLUMINESCENT DEVICE

Thin film electroluminescent layer material

Verfahren zum Herstellen eines Dünnschicht-Elektrolumineszenzbauelements

Durch elektrisches Feld lichtemittierende Vorrichtung

Durch elektrisches Feld lichtemittierende Vorrichtung.

Organische Leuchtdiodenvorrichtung mit emittierender Schicht aus drei Komponenten

WAVE LENGTH SHIFTING COMPOSITIONS FOR WHITE EMITTING DIODE SYSTEMS

Dispositif électroluminescent à couche mince et à grande luminance

Dispositif électroluminescent. Il est constitué d'une couche luminescente comprenant SrS comme matière hôte et un centre luminescent, la couche luminescente étant prise en sandwich entre deux couches isolantes et deux électrodes à couche mince pour appliquer une tension étant prévues de chaque côté des couches isolantes, l'une des électrodes étant transparente et le spectre d'excitation de la couche luminescente présentant un pic ayant une valeur maximum à une longueur d'onde de 350 nm à 370 nm environ. Panneaux d'affichage.

ORGANIC ELECTROLUMINESCENCE ELEMENT

An organic electroluminescence element comprising a light emitting layer provided between a pair of electrodes, characterized in that the light emitting layer contains a light emitting layer material, and a first dopant and a second dopant that satisfy the following relations. (A) EV0>EV1 and EV0>EV2 (B) EC0>= EC2 (C) Eg0>Eg1, Eg2 [In the expressions, EV0, EV1, EV2 are respectively the valence electron levels of the light emitting layer, the first dopant and the second dopant, EC0 and EC2 respectively the conduction levels of the light emitting layer material and the second dopant, and Eg0, Eg1, Eg2 respectively the energy gaps of the light emitting layer material, the first dopant, the second dopant.] © KIPO & WIPO 2007 ...

LIGHT EMITTING DEVICE HAVING DIFFERENT LIGHT EMITTING LAYERS, AND AN ELECTRONIC DEVICE

PURPOSE: A light emitting device and an electronic device are provided to improve light emitting efficiency of the light emitting device by differentiating configurations of respective light emitting layers in the light emitting device. CONSTITUTION: A light emitting device includes first to third light emitting elements. The first light emitting element includes a first anode, a first cathode, and first and second light emitting layers(121,122) between the first anode and the first cathode. The first light emitting layer contains a first light emitting material and a first organic chemical, while the second light emitting layer contains the first light emitting material and a second organic chemical. The first organic chemical is a hole transport organic chemical, while the second organic chemical is an electron transport organic chemical. The second light emitting element includes a second anode, a second cathode, a third light emitting layer, and a carrier control layer. The third light ...

ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING AROMATIC AMINE DERIVATIVE

Polymer light-emitting diode

A light-emitting diode (1) has a first electrode (3), a second electrode (4), a light-emitting layer (5) which comprises a matrix, and ions. A layer (6) of a cation receptor (CR) is positioned adjacent to the first electrode (3), has captured cations, and has generated immobilized cations (+). A layer (7) of an anion receptor (AR) is positioned adjacent to the second electrode (4), has captured anions, and has generated immobilized anions (-). The ion gradients provide for quick response in emission of light (L) when the diode (1) is exposed to a forward bias. A diode (1) is manufactured by first forming a laminate (2) of the above structure. The laminate (2) is exposed to a forward bias to make the ions become immobilized at respective sites (S1, S2) of the respective receptors (CR, AR).

HETEROLEPTIC LIGHT-EMIITING COMPLEXES

Heteroleptic light emitting complexes having the general formula M(L1)n(L2)m wherein a) L1 has the formula E1 -E2, wherein E1 is a 6-membered heteroaryl ring bound to the metal atom M by a dative bond and containing at least one donor hetero atom and E2 is bound to the metal atom by covalent or dative bonds and is selected from the group consisting of substituted or un-substituted C5-C30 aryl and substituted or un-substituted C2-C30 heteroaryl groups, b) ligand L2 is selected from the group consisting of 1 -(2,6 disubstituted phenyl)-2- phenyl-1 H- imidazole ligands or 5-(2,6 disubstituted phenyl)-1-phenyl-1 H- pyrazole ligands, and c) M is a non-radioactive transition metal with an atomic number of at least 40 and the sum of m and n is equal to half of the bond valency of metal M ...

ORGANIC LIGHT EMITTING DIODE DISPLAY

An organic light emitting diode (OLED) display includes a substrate and an organic light emitting element on the substrate and including a first electrode, a plurality of organic emission layers on the first electrode and including at least one P-type impurity doped organic emission layer, and a second electrode on the plurality of organic emission layers.

THIN-FILM EL ELEMENT

A thin-film EL element which is constructed to produce blue light of high brightness on a low voltage. The thin-film EL element is composed of a light-emitting member of SrS that contains Ce, K and Cl as luminescence center impurities. The concentration of Ce in the light-emitting member is 0.5 % to 1.0 %, and the ratio of Cl to Ce (Cl/Ce) is 2 or smaller. Further, the light-emitting layer, Sr, S, Ce and KCl are vaporized from four different sources, and are coupled together on the substrate by the multiple vapor deposition method.

HIGH LUMINANCE THIN-FIM ELECTROLUMINESCENT DEVICE

Material selecting method upon purifying iridium complex by sublimation

Provided is a material selecting method used upon purifying an iridium complex by sublimation which includes: selecting an iridium complex having a specific structure and having a rate of weight loss of 45% or greater when heated to 500° C. at a heating rate of 2° C./min under the degree of vacuum of from 1×10 −3 Pa to 1×10 −1 Pa; and carrying out sublimation purification.

Aromatic amine derivative, and organic electroluminescent element comprising the same

An aromatic amine derivative represented by the following formula (1) wherein at least one of Ar 1 to Ar 4 is a heterocyclic group represented by the following formula (2) wherein X 1 is an oxygen atom or a sulfur atom.

Heteroleptic light-emitting complexes

Heteroleptic light emitting complexes having the general formula M(L 1 ) n (L 2 ) m , wherein a) L 1 has the formula E1-E2, wherein E1 is a 6-membered heteroaryl ring bound to the metal atom M by a dative bond and containing at least one donor hetero atom and E2 is bound to the metal atom by covalent or dative bonds and is selected from the group consisting of substituted or unsubstituted C 5 -C 30 aryl and substituted or un-substituted C 2 -C 30 heteroaryl groups, b) ligand L 2 is selected from the group consisting of 1-(2,6 disubstituted phenyl)-2-phenyl-1H-imidazole ligands or 5-(2,6 disubstituted phenyl)-1-phenyl-1H-pyrazole ligands, and c) M is a non-radioactive transition metal with an atomic number of at least 40 and the sum of m and n is equal to half of the bond valency of metal M

Organic thin film deposition system and method for depositing organic film

An organic thin film deposition system is disclosed. The organic thin film deposition system includes: a plurality of crucibles each having an inlet capable of selectively being opened and closed; an organic composite material made up of two or more organic materials and having an initial composition ratio, the organic composite material for placing in the plurality of crucibles; and a transferring unit for controlling a position of the plurality of crucibles.

AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING THE SAME

An aromatic amine derivative represented by the following formula (1) wherein at least one of Arto Aris a heterocyclic group represented by the following formula (2) wherein Xis an oxygen atom or a sulfur atom. 2. The organic electroluminescence device according to claim 1 , wherein{'sub': 101', '108, 'in Rto R,'}the halogen atom is selected from the group consisting of fluorine, chlorine, bromine and iodine,the alkyl group for the substituted or unsubstituted alkyl group is selected from the group consisting of methyl, ethyl, propyl, isopropyl, n-butyl, s-butyl, isobutyl, t-butyl, n-pentyl, n-hexyl, n-heptyl and n-octyl,the cycloalkyl group for the substituted or unsubstituted cycloalkyl group is selected from the group consisting of cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, 4-methylcyclohexyl, adamantyl and norbornyl,the substituted silyl group is selected from the group consisting of trimethylsilyl, triethylsilyl, t-butyldimethylsilyl, vinyldimethylsilyl, propyldimethylsilyl, triisopropylsilyl and triphenylsilyl, andthe aryl group for the substituted or unsubstituted aryl group is selected from the group consisting of phenyl, 1-naphthyl, 2-naphthyl, 1-anthryl, 2-anthryl, 9-anthryl, 1-phenanthryl, 2-phenanthryl, 3-phenanthryl, 4-phenanthryl, 9-phenanthryl, naphthacenyl, pyrenyl, chrysenyl, benzo[c]phenanthryl, benzo[g]chrysenyl, triphenylenyl, 1-fluorenyl, 2-fluorenyl, 3-fluorenyl, 4-fluorenyl, 9-fluorenyl, benzofluorenyl, dibenzofluorenyl, 2-biphenylyl, 3-biphenylyl, 4-biphenylyl, terphenyl and fluoranthenyl,{'sub': 101', '104, 'in Arto Ar,'}the aryl group for the substituted or unsubstituted aryl group is selected from the group consisting of phenyl, 1-naphthyl, 2-naphthyl, 1-anthryl, 2-anthryl, 9-anthryl, 1-phenanthryl, 2-phenanthryl, 3-phenanthryl, 4-phenanthryl, 9-phenanthryl, naphthacenyl, pyrenyl, chrysenyl, benzo[c]phenanthryl, benzo[g]chrysenyl, triphenylenyl, 1-fluorenyl, 2-fluorenyl, 3-fluorenyl, 4-fluorenyl, 9-fluorenyl, benzofluorenyl, ...

Organic sensitizers for up-conversion

The invention relates to compositions, devices containing same, and the use thereof for up-conversion. Said compositions and devices are particularly suitable for generating low-energy radiation.

AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING THE SAME

An aromatic amine derivative represented by the following formula (1) 2. The composition according to claim 1 , wherein in Rto R claim 1 ,the halogen atom is selected from the group consisting of fluorine, chlorine, bromine and iodine,the alkyl group for the substituted or unsubstituted alkyl group is selected from the group consisting of methyl, ethyl, propyl, isopropyl, n-butyl, s-butyl, isobutyl, t-butyl, n-pentyl, n-hexyl, n-heptyl and n-octyl,the cycloalkyl group for the substituted or unsubstituted cycloalkyl group is selected from the group consisting of cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, 4-methylcyclohexyl, adamantyl and norbornyl,the substituted silyl group is selected from the group consisting of trimethylsilyl, triethylsilyl, t-butyldimethylsilyl, vinyldimethylsilyl, propyldimethylsilyl, triisopropylsilyl and triphenylsilyl, andthe aryl group for the substituted or unsubstituted aryl group is selected from the group consisting of phenyl, 1-naphthyl, 2-naphthyl, 1-anthryl, 2-anthryl, 9-anthryl, 1-phenanthryl, 2-phenanthryl, 3-phenanthryl, 4-phenanthryl, 9-phenanthryl, naphthacenyl, pyrenyl, chrysenyl, benzo[c]phenanthryl, benzo[g]chrysenyl, triphenylenyl, 1-fluorenyl, 2-fluorenyl, 3-fluorenyl, 4-fluorenyl, 9-fluorenyl, benzofluorenyl, dibenzofluorenyl, 2-biphenylyl, 3-biphenylyl, 4-biphenylyl, terphenyl and fluoranthenyl, and{'sub': 111', '117, 'the heterocyclic group for the substituted or unsubstituted heterocyclic group is selected from the group consisting of pyrrolyl, pyrazinyl, pyridinyl, indolyl, isoindolyl, imidazolyl, furyl, benzofuranyl, isobenzofuranyl, 1-dibenzofuranyl, 2-dibenzofuranyl, 3-dibenzofuranyl, 4-dibenzofuranyl, 1-dibenzothiophenyl, 2-dibenzothiophenyl, 3-dibenzothiophenyl, 4-dibenzothiophenyl, quinolyl, isoquinolyl, quinoxalinyl, 1-carbazolyl, 2-carbazolyl, 3-carbazolyl, 4-carbazolyl, 9-carbazolyl, phenanthridinyl, acridinyl, phenanthrolinyl, phenazinyl, phenothiazinyl, phenoxazinyl, oxazolyl, oxadiazolyl, furazanyl, ...

AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING THE SAME

An aromatic amine derivative represented by the following formula (1) wherein at least one of Arto Aris a heterocyclic group represented by the following formula (2) wherein Xis an oxygen atom or a sulfur atom. 126.-. (canceled)30. The organic electroluminescence device according to wherein in the formula (A1) claim 27 ,{'sub': 101', '108, 'Rto Rare a hydrogen atom.'}31. The organic electroluminescence device according to wherein in the formula (A1) claim 27 ,{'sub': '102', 'Ris a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 carbon atoms or a substituted or unsubstituted alkylsilyl group having 3 to 30 carbon atoms, and'}{'sub': 101', '103', '108, 'Rand Rto Rare a hydrogen atom.'}32. The aromatic amine derivative according to wherein in the formula (A1) claim 27 ,{'sub': 102', '106, 'Rand Rare a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 carbon atoms, or a substituted or unsubstituted alkylsilyl group having 3 to 30 carbon atoms, and'}{'sub': 101', '103', '104', '105', '107', '108, 'R, R, R, R, Rand Rare a hydrogen atom.'}33. The organic electroluminescence device according to wherein in the formula (A2) claim 27 ,{'sub': '101', 'Xis an oxygen atom.'}34. The organic electroluminescence device according to wherein in the formula (A3) claim 28 ,{'sub': 102', '103, 'Xand Xare an oxygen atom.'}35. The organic electroluminescence device according to wherein in the formula (A4) claim 29 ,{'sub': '104', 'Xis an oxygen atom.'}36. The organic electroluminescence device according to claim 27 , wherein in the formula (A1) claim 27 ,{'sub': 101', '108, 'in Rto R,'}the halogen atom is selected from the group consisting of fluorine, chlorine, bromine and iodine,the alkyl group for the substituted or unsubstituted alkyl group is selected from the group consisting of methyl, ethyl, propyl, isopropyl, n- ...

ORGANIC LIGHT-EMITTING DEVICE

An organic light-emitting device includes: a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, the organic layer including: an emission layer, an electron transport region between the second electrode and the emission layer, and a mixed layer between the emission layer and the electron transport region, the mixed layer including a first material and a second material, the first material and the second material being selected from a pyrrolidine-based compound and a C-Cpolycyclicaromatic hydrocarbon-based compound, and a triplet energy Egof at least one selected from the first material and the second material being 2.2 eV or greater. 2. The organic light-emitting device of claim 1 , wherein the electron transport region comprises an electron transport layer claim 1 , and the emission layer and the electron transport layer are adjacent to each other.8. The organic light-emitting device of claim 1 , wherein the first material is a hole transporting compound claim 1 , and the second material is an electron transporting compound.9. The organic light-emitting device of claim 1 , wherein the first material is an electron transporting compound claim 1 , and the second material is a hole transporting compound.10. The organic light-emitting device of claim 1 , wherein a weight ratio of the first material to the second material is from about 10:1 to about 1:10.11. The organic light-emitting device of claim 1 , wherein a thickness of the mixed layer is about 5A to about 400A.12. The organic light-emitting device of claim 1 , wherein an electron affinity (EA) of the first material and an electron affinity (EA) of the second material satisfy Inequation 1:{'br': None, 'sub': 1', '2, 'EA Подробнее

Organic electroluminescent element, and illumination device and display device each comprising the element

Disclosed is an organic electroluminescent element which has high luminous efficiency, a low driving voltage, excellent heat resistance, excellent raw stock storability and a long service life.

Light-Emitting Planar Body-Structured Body

A light-emitting planar body-structured body characterized in that it comprises an LED (light-emitting diode) light source which radiates ultraviolet radiation or near ultraviolet radiation and a planar body provided disposed in front thereof, and that the planar body is a light-transmitting resin molding containing dispersed therein at least one type of phosphors and light-storing bodies together with light-transmitting inorganic particles.

Donor film for full color organic electroluminescent display device, method thereof, and full color organic electroluminescent display device using the same as donor film

본 발명은 저분자 풀칼라 유기 전계 발광 소자용 도너 필름 및 이를 사용하는 저분자 풀칼라 유기 전계 발광 소자의 제조 방법에 관한 것으로, 기재 필름, 상기 기재 필름 상부에 형성되어 있는 광-열 변환층, 및 상기 광-열 변환층 상부에 형성되어 있는 전사층을 포함하며, 상기 전사층은 2층 이상으로 형성되며 상기 기재 필름에 인접한 영역의 제 1층은 고분자 물질이고, 상기 고분자 물질 상부의 제 2층은 저분자 물질로 이루어진 것을 특징으로 하는 풀칼라 유기 전계 발광 소자용 도너 필름 및 이의 제조 방법과 이 도너 필름을 사용하여 제조되는 풀칼라 유기 전계 발광 소자를 제공함으로써, 유기 전계 발광 소자의 구조에 제약을 받지 않고 선택하여 사용할 수 있는 물질의 종류가 확대됨에 따라 우수한 특성의 풀칼라 유기 전계 발광 소자를 제공할 수 있다. The present invention relates to a donor film for a low molecular full color organic electroluminescent device and a method for manufacturing a low molecular full color organic electroluminescent device using the same, comprising: a base film, a light-to-heat conversion layer formed on the base film, and the And a transfer layer formed on the light-to-heat conversion layer, wherein the transfer layer is formed of two or more layers, and the first layer in the region adjacent to the base film is a polymer material, and the second layer on the polymer material is By providing a donor film for a full color organic electroluminescent device and a method of manufacturing the same and a full color organic electroluminescent device manufactured using the donor film, the structure of the organic electroluminescent device is limited by a low molecular material. As the types of materials that can be selected and used are expanded, it is possible to provide a full color organic EL device having excellent characteristics. There. 레이저 전사, 도너 필름, 풀칼라 유기 전계 발광 소자 Laser transfer, donor film, full color organic electroluminescent device

Light-emitting member

FIELD: light engineering. SUBSTANCE: light-emitting member comprises light-diode source that emits ultraviolet or close to it radiation, surface body mounted on its face. The surface body is made of optically transparent resin provided with optically transparent inorganic particles uniformly distributed throughout the resin bulk and fluorescent material and/or luminescent solid. The diameter of particles ranges from 180 μm to 9.5 mm. EFFECT: expanded functional capabilities. 9 cl, 4 dwg ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2 319 063 (13) C2 (51) ÌÏÊ F21V 9/00 (2006.01) G02B 6/00 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2005137141/28, 30.04.2004 (72) Àâòîð(û): ÑÀÊÀÈ Ìèåêî (JP), ÑÈÍÎÌÈß Êåíèõèðî (JP), ÑÀÉÒÎ Êåíèõèðî (JP), ÈÍÎÓÅ Þêèõèêî (JP) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 30.04.2004 (73) Ïàòåíòîîáëàäàòåëü(è): ÀÂÀÈËÂÑ ÊÎÐÏÎÐÅÉØÍ (JP) (43) Äàòà ïóáëèêàöèè çà âêè: 10.06.2006 R U (30) Êîíâåíöèîííûé ïðèîðèòåò: 02.05.2003 JP 2003-126860 (45) Îïóáëèêîâàíî: 10.03.2008 Áþë. ¹ 7 (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 02.12.2005 2 3 1 9 0 6 3 R U (87) Ïóáëèêàöè PCT: WO 2004/097294 (11.11.2004) Àäðåñ äë ïåðåïèñêè: 191036, Ñàíêò-Ïåòåðáóðã, à/ 24, "ÍÅÂÈÍÏÀÒ", ïàò.ïîâ. À.Â.Ïîëèêàðïîâó (54) ÑÒÐÓÊÒÓÐÀ ÑÂÅÒÎÈÇËÓ×ÀÞÙÅÃÎ ÏÎÂÅÐÕÍÎÑÒÍÎÃÎ ÒÅËÀ (57) Ðåôåðàò: Ñòðóêòóðà ñâåòîèçëó÷àþùåãî ïîâåðõíîñòíîãî òåëà, îòëè÷àþùà ñ òåì, ÷òî îíà âêëþ÷àåò ñâåòîäèîäíûé èñòî÷íèê ñâåòà, èçëó÷àþùèé óëüòðàôèîëåòîâîå èëè áëèçêîå ê íåìó èçëó÷åíèå, è ïîâåðõíîñòíîå òåëî, ðàçìåùåííîå íà åå ëèöåâîé ñòîðîíå; ïðè ýòîì ïîâåðõíîñòíîå òåëî ïðåäñòàâë åò ñîáîé ôîðìîâàííîå èçäåëèå èç îïòè÷åñêè ïðîçðà÷íîé ñìîëû ñ ðàñïðåäåëåííûìè â íåé îïòè÷åñêè ïðîçðà÷íûìè íåîðãàíè÷åñêèìè ÷àñòèöàìè è ôëóîðåñöåíòíûì ìàòåðèàëîì è/èëè ëþìèíîôîðîì. Ïðîïóñêàþùèå ñâåò íåîðãàíè÷åñêèå ÷àñòèöû ïðåäñòàâëåíû ñîñòàâë þùåé èç ìåëêèõ ÷àñòèö äèàìåòðîì îò 180 ìêì äî 9,5 ìì è ñîñòàâë þùåé èç òîíêîäèñïåðñíûõ ÷àñòèö, êàæäà äèàìåòðîì ...

用于激光诱导热成像法的供体膜及有机电致发光显示装置

本发明涉及用于激光诱导热成像法的供体膜及有机电致发光显示装置。该供体膜具有基膜、形成在基膜上的光热转换层、形成在光热转换层上的反射层或金属层、以及形成在反射层上并由有机材料形成的转移层。供体膜能通过在光热转换层和转移层之间形成反射层或金属层减小边缘开口缺陷并增加吸收入光热转换层中的能量的量，通过使激光束不透射至衬底防止了衬底受损，并且通过防止利用热量由光热转换层产生的气体渗透到转移层中并扩散转移到转移层的热量而防止了转移层劣化。

Electroluminescent display device having a good performance at high temperature

본 발명은 유기 전계 발광 표시 소자에 관한 것으로, 기판, 상기 기판 상에 형성되어 있는 제 1 전극, 제 2 전극과 상기 제 1 전극 및 제 2 전극 사이에 적어도 하나의 발광층을 포함하는 유기막층을 포함하며, 상기 발광층은 적어도 하나의 인광 도판트를 포함하며, 상기 도판트는 L 3 M, L 2 ML'으로 표현되는 것을 특징으로 하는 유기 전계 발광 표시 장치를 제공함으로써 고온구동 특성 및 보관특성을 향상시키고 디바이스의 화소 축소 현상을 방지하기 위한 것으로 본 발명의 유기전계 발광 표시장치를 제공할 수 있다. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an organic electroluminescent display device, comprising: a substrate, an organic film layer including at least one light emitting layer between the first electrode, the second electrode, and the first and second electrodes formed on the substrate. The light emitting layer may include at least one phosphorescent dopant, and the dopant may be represented by L 3 M and L 2 ML ′, thereby improving high temperature driving characteristics and storage characteristics. In order to prevent pixel reduction of a device, an organic light emitting display device of the present invention can be provided. 상기 M은 전이 금속으로 Ir, Pt, Zn, 및 Os로 이루어진 군에서 선택된 1종의 금속이고, 상기 L과 L'는 탄소와 질소로 배위되는 2좌(bidendate) 리간드로 L과 L' 중 적어도 하나는 리간드 내 C의 수가 15 이상이다. M is a transition metal and is a metal selected from the group consisting of Ir, Pt, Zn, and Os, and L and L 'are bidentate ligands coordinated with carbon and nitrogen, and at least one of L and L'. One is that the number of C in the ligand is at least 15. 인광 도판트, 고온 특성, 2좌 리간드 Phosphorescent dopant, high temperature properties, bidentate ligand

Aromatic amine derivative, and organic electroluminescent element comprising same

본 발명은 하기 화학식 (1)로 표시되는 방향족 아민 유도체에 관한 것이다. {Ar 1 내지 Ar 4 중 적어도 1개가 하기 화학식 (2)로 표시되는 복소환기임 (X 1 은 산소 원자 또는 황 원자를 나타냄)} The present invention relates to an aromatic amine derivative represented by the following general formula (1). {At least 1 of Ar 1 to Ar 4 is a heterocyclic group represented by the following general formula (2) (X 1 represents an oxygen atom or a sulfur atom)}

El표시소자

내용 없음

环金属化四齿Pt(Ⅱ)配合物

提供了新的磷光四齿铂(Ⅱ)化合物。所述化合物含有异咪唑结构部分，任选地进一步用扭曲芳基取代。这些化合物可有利地用于OLEDs中。

Organic electroluminescence device

Organic light-emitting devices

제1전극, 상기 제1전극에 대향된 제2전극 및 상기 제1전극 및 상기 제2전극 사이에 개재되고, 발광층을 포함하는 유기층을 포함하고; 상기 제2전극 및 상기 발광층 사이에 개재되는 전자 수송 영역을 포함하고; 상기 발광층 및 상기 전자 수송 영역 사이에 개재되고, 제1재료 및 제2재료를 포함한 혼합층을 포함하고; 상기 제1재료 및 상기 제2재료는 피롤리딘계 화합물 및 C 10 -C 30 의 다환방향족 탄화수소계 화합물 중에서 선택되고; 상기 제1재료 및 상기 제2재료 중 적어도 하나의 삼중항 에너지(Eg T1 )은 2.2eV 이상인 유기 발광 소자가 개시된다.

Aromatic amine derivative and organic electroluminescence device using the same

下記式（１）で表される芳香族アミン誘導体。（Ａｒ１〜Ａｒ４のうち少なくとも１つが下記式（２）で表される複素環基である。（Ｘ１は酸素原子又は硫黄原子を示す。）） An aromatic amine derivative represented by the following formula (1). (At least one of Ar1 to Ar4 is a heterocyclic group represented by the following formula (2). (X1 represents an oxygen atom or a sulfur atom.))

Light emitting face structure

紫外線または近紫外線を放射するＬＥＤ（発光ダイオード）光源とその前面側に配置され面体とを有し、面体は、蛍光体および蓄光体のうちの１種以上とともに光透過性の無機質粒子を分散含有する光透過性の樹脂成形体であることを特徴とする発光面体構造とする。

Organic electroluminescent display device

본 발명은 유기 전계 발광 디스플레이 장치에 관한 것으로, 제 1 전극과 제 2 전극 사이에 적어도 하나의 발광층 및 전하 수송층을 포함하며 상기 발광층은 호스트 재료, 제 1 인광 도판트 및 제 2 인광 도판트를 포함하는 최소한 2 이상의 도판트를 혼합하여 포함하며, 상기 제 1 인광 도판트 및 제 2 인광 도판트는 각각 이리듐 또는 백금을 포함하는 것을 특징으로 하는 유기 전계 발광 디스플레이 장치를 제공함으로써 기존의 유기 전계 발광 표시 장치에 비하여 일정한 색좌표를 유지하면서 효율 및 수명 특성이 우수한 디바이스를 제조할 수 있다. The present invention relates to an organic electroluminescent display device, comprising at least one light emitting layer and a charge transport layer between a first electrode and a second electrode, the light emitting layer comprising a host material, a first phosphorescent dopant and a second phosphorescent dopant. And at least two or more dopants, wherein the first phosphorescent dopant and the second phosphorescent dopant each include iridium or platinum, thereby providing a conventional organic electroluminescent display device. In comparison, a device having excellent efficiency and lifespan characteristics can be manufactured while maintaining a constant color coordinate.

UV emitting phosphors

1. Преобразующий длину волны материал, включающий преобразующее длину волны соединение формулы (YScLaGdLu)(SO):Me, где Me представляет собой трехвалентный катион или смесь трехвалентных катионов, способные испускать УФ-C излучение, и где каждый из w, x, y и z находится в диапазоне от 0,0 до 1,0 и w+x+y+z≤1,0, и где 0,0005≤a≤0,2.2. Преобразующий длину волны материал по п. 1, где Me включает по меньшей мере один из Pr, Ndи Bi.3. Преобразующий длину волны материал по п. 1, где 0,002≤a≤0,1.4. Преобразующий длину волны материал по п. 2, включающий дополнительно по меньшей мере один другой трехвалентный катион в качестве содопанта.5. Преобразующие длину волны экран или покрытие, включающие преобразующий длину волны материал по п. 1.6. Осветительное устройство, включающее в себя источник преобразуемого УФ-света и преобразующий длину волны материал по п. 1 или преобразующие длину волны экран или покрытие по п. 5 для преобразования УФ-света от упомянутого источника.7. Осветительное устройство по п. 6, которое представляет собой разрядную лампу, включающую разрядный сосуд, содержащий газ, в состав которого входит один и более из Ar, Kr, Xe, F, Cl, Brи I, причем по меньшей мере часть стенки разрядного сосуда снабжена преобразующим длину волны материалом по п. 1.8. Медицинское устройство, включающее в себя преобразующий длину волны состав по п. 1, преобразующие длину волны экран илипокрытие по п. 5 или осветительное устройство по п. 6.9. Медицинское устройство по п. 8, которое представляет собой фототерапевтическое устройство.10. Устройство косметической обработки, включающее в себя преобразующий длину волны состав по п. 1, преобразующие длину волны экран или покрытие по п. 5 или осветит РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C09K 11/74 (13) 2013 136 489 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2013136489/05, 13.12.2011 (71) Заявитель(и): КОНИНКЛЕЙКЕ ФИЛИПС ЭЛЕКТРОНИКС Н.В. (NL) Приоритет(ы): (30) ...

Organic electroluminescence display

본 발명은 한 쌍의 전극 사이에 인광 도펀트를 포함하는 발광층을 갖는 유기 전계 발광 소자에 있어서, 상기 발광층은 호스트로서 정공 수송 물질 및 전자 수송 물질을 포함하는 것을 특징으로 하는 유기 전계 발광 소자를 제공한다. 본 발명의 유기 전계 발광 소자는 발광층 형성시 정공 수송 물질과 전자 수송 물질의 혼합물을 광 디바이스의 호스트로 사용함으로써 효율 및 수명 특성이 개선된다.

Organic electroluminescent device

Disclosed is an organic electroluminescent device (1) comprising an anode (10), a cathode (30), and a light-emitting layer (20) arranged between the anode (10) and the cathode (30) and composed of an anode-side region (22), an inner region (24) and a cathode-side region (26). The regions (22, 24, 26) respectively contain a host compound composed of an organic material and a dopant composed of a metal complex of a heavy metal and having luminescence of triplet contribution. The dopant concentration of the inner region (24) is higher than the dopant concentrations of the anode-side region (22) and the cathode-side region (26).

Blue light emitting organic electroluminescence element

A blue light emitting organic electroluminescence element (1) is provided with at least a light emitting layer (40) between an anode (20) and a cathode (60). The light emitting layer (40) contains a host material and a plurality of kinds of dopants. At least one of the dopants has ultraviolet emitting characteristics.

Electroluminescent arrangement

Electroluminescent devices with thiophene carboxylate metal complexes

An electro-luminescent arrangement comprising a substrate, an anode, an electro-luminescent element and a cathode, whereby at least one of the two electrodes is transparent in the visible spectral range and the electro-luminescent element contains one or several zones from the following group: a hole injection zone, a hole transportation zone, an electro-luminescent zone, an electron transportation zone and an electron injection zone. Each of the available zones can also handle tasks pertaining to the other zones thus indicated. The invention is characterized in that the electro-luminescent element contains a thiophene carboxylate metal complex.

Organic light emitting diode devices with improved luminance efficiency

An organic light emitting device includes a substrate, an anode and a cathode disposed over the substrate; a luminescent layer disposed between the anode and the cathode wherein the luminescent layer includes a host and at least one dopant; the host of the luminescent layer being selected to include a solid organic material comprising a mixture of at least two components wherein the first component of the mixture is an organic compound that is capable of transporting both electrons and holes and that is substantially non-polar; and the second component of the mixture is an organic compound that is more polar than the first component; and the dopant of the luminescent layer being selected to produce light from the light emitting device.

Electric field light-emitting device

organic electroluminescent display device

본 발명은 유기 EL 소자의 수명과 발광 효율을 향상시키기 위해, 양극, 음극, 및 그들 사이에 형성되고 복수의 유기물층을 포함하는 유기 EL 디스플레이 소자에 있어서, 상기 음극과 음극 바로 아래에 형성된 유기물층 사이에, 알칼리 금속 및 알칼리 토금속 화합물 중의 어느 하나와 하기 구조식 1의 방향족 아민 및 하기 구조식 2의 방향족 화합물 중의 어느 하나를 포함하는 버퍼레이어(buffer layer)가 형성되는 유기 EL 디스플레이 소자에 관한 것이다: The present invention provides an organic EL display device including an anode, a cathode, and a plurality of organic material layers formed therebetween, in order to improve the lifespan and luminous efficiency of the organic EL device, the organic material layer formed directly below the cathode and the cathode. And an organic EL display device in which a buffer layer comprising any one of an alkali metal and an alkaline earth metal compound, an aromatic amine of the following structural formula 1 and an aromatic compound of the following structural formula 2 is formed: 구조식 1 Structural Formula 1 (상기 구조식 1에서, R1, R2, R3는 각각 수소, 알킬기, 치환 또는 비치환된 방향족 고리, 및 치환 또는 비치환된 방향족 아민으로 이루어진 군으로부터 선택되는 어느 하나이며, 이들 중 적어도 하나는 치환 또는 비치환된 방향족 고리, 또는 치환 또는 비치환된 방향족 아민이다); (In Formula 1, R1, R2, R3 are each selected from the group consisting of hydrogen, an alkyl group, a substituted or unsubstituted aromatic ring, and a substituted or unsubstituted aromatic amine, at least one of them is substituted or Unsubstituted aromatic ring, or substituted or unsubstituted aromatic amine); 구조식 2 Structural Formula 2 (상기 구조식 2에서, A 1 , A 2 및 A 3 는 각각 수소, 알킬기, 치환 또는 비치환된 방향족 고리, 및 치환 또는 비치환된 방향족 아민으로 이루어진 군으로부터 선택되는 어느 하나이고, 상기 A 1 , A 2 및 A 3 중 어느 하나는 치환 또는 비치환된 방향족아민을 포함하는 것을 특징으로 함). (In Formula 2, A 1 , A 2 and A 3 are each one selected from the group consisting of hydrogen, an alkyl group, a substituted or unsubstituted aromatic ring, and a substituted or unsubstituted aromatic amine, wherein A 1 , Any one of A 2 and A 3 comprises a substituted or unsubstituted aromatic amine).

Organic electroluminescent materials and devices

Novel phosphorescent tetradentate platinum (II) compounds are provided. The compounds contain an isoimidazole moiety, optionally further substituted with a twisted aryl. These compounds may be advantageously used in OLEDs.

Organic electroluminescent light emitting material and device using same

An organic electroluminescent display device (10) includes first and second electrode assemblies fabricated on a transparent substrates (12). Disposed between the electrode assemblies are one or more layers of organic electroluminescent light emitting materials (20). The organic electroluminescent light emitting material is preferably characterized by an emitted light having a wavelength of between 4000 Å and 6000 Å. This light emitting material may be comprised of a mixture of a first host emitting material and a second host emitting material, and may further include a dopant so as to improve the emission efficiency of the light emitting material as well as to adjust the emission characteristic to a desired specification.

Organic electroluminescent display device having superior characteristics at high temperature

An organic electroluminescent display device improves driving characteristics at a high temperature and storage characteristics of the organic electroluminescent display device, and prevents pixel contraction phenomena of the device by providing an organic electroluminescent display device comprising a substrate, a first electrode and a second electrode formed on the substrate, and an organic film layer comprising at least one emitting layer between the first electrode and the second electrode. The emitting layer includes at least one phosphorescent dopant, and the dopant is represented by L3M or L2ML', wherein the M is a transition metal selected from the group consisting of Ir, Pt, Zn and Os, the L and L' are bidendate ligands coordinated with carbon and nitrogen, and at least one of the L and L' has 15 or more carbon atoms in the ligand.

Materials and devices for blue phosphorescence based organic light emitting diodes

An OLED includes a wide gap inert host material doped with two dopants. One of the dopants is an emissive phosphorescent material that can transport either electrons or holes. The other dopant is a charge carrying material that can transport whichever of the electrons and holes that is not transported by the phosphorescent dopant. The materials are selected so that the lowest triplet energy level of the host material and the lowest triplet energy level of the charge carrying dopant material are each at a higher energy level than the lowest triplet state energy level of the phosphorescent dopant material. The device is capable, in particular, of efficiently emitting light in the blue region of the visible spectrum.

Process for forming an organic light-emitting diode luminaires having a single light-emitting layer with at least two light-emitting dopants

There is provided n organic light-emitting diode luminaire. The luminaire includes a first electrode, a second electrode, and a light-emitting layer therebetween. The light-emitting layer includes a small molecule host material having dispersed therein a first dopant having a first emitted color and a second dopant having a second emitted color. The overall emission color is white.

Organic electroluminescent diode

본 발명은 적색, 녹색 및 청색 화소영역 각각에 형성되며, 서로 마주보는 양극 및 음극과 상기 양극 및 음극 사이에 위치하며 호스트와 도펀트로 이루어지는 발광물질층을 포함하는 적색, 녹색 및 청색 발광다이오드를 포함하는 유기전계발광다이오드에 있어서, 상기 적색, 녹색 및 청색 발광다이오드의 도펀트 각각은 적색 발광스펙트럼 최대값 λ max - PL ,R , 녹색 발광스펙트럼 최대값 λ max - PL ,G , 청색 발광스펙트럼 최대값 λ max - PL ,B 을 갖고, 상기 적색, 녹색 및 청색 발광다이오드는 적색 전계발광스펙트럼 최대값 λ max -EL,R , 녹색 전계발광스펙트럼 최대값 λ max - EL ,G , 청색 전계발광스펙트럼 최대값 λ max - EL ,B 을 가지며, |λ max - PL ,R - λ max - EL ,R |:|λ max - PL ,G - λ max - EL ,G |:|λ max - PL ,B - λ max -EL,B |=2:3:1을 만족시키는 유기전계발광다이오드를 제공한다. 이에 의해, 유기전계발광다이오드는 효율 및 수명에서 장점을 가지며 화이트 색좌표의 변화가 없는 영상을 구현할 수 있는 장점을 갖는다. The present invention includes red, green, and blue light emitting diodes formed in red, green, and blue pixel regions, each including an anode and a cathode facing each other, and a light emitting material layer disposed between the anode and the cathode and made of a host and a dopant Each of the dopants of the red, green and blue light emitting diodes has a red emission spectrum maximum value [lambda] max - PL , R , a green emission spectrum maximum value [lambda] max - PL , G , a blue emission spectrum maximum value max - PL, has a B, the red, green and blue light-emitting diode is a red light emitting spectrum maximum λ max -EL, R, a green light emitting spectrum maximum λ max - EL, G, and blue light emitting spectrum maximum λ max - EL, has a B, | λ max - PL, R - λ max - EL, R |: | λ max - PL, G - λ max - EL, G |: | λ max - PL, B - λ max -EL, B | = 2: 3 : 1 to the organic light emitting diode which satisfies the The. Thus, the organic electroluminescent diode has an advantage in terms of efficiency and lifetime, and has an advantage of being able to realize an image without change in white color coordinates.

Materials and devices for blue phosphorescence based organic light emitting diodes

An OLED includes a wide gap inert host material doped with two dopants. One of the dopants is an emissive phosphorescent material that can transport either electrons or holes. The other dopant is a charge carrying material that can transport whichever of the electrons and holes that is not transported by the phosphorescent dopant. The materials are selected so that the lowest triplet energy level of the host material and the lowest triplet energy level of the charge carrying dopant material are each at a higher energy level than the lowest triplet state energy level of the phosphorescent dopant material. The device is capable, in particular, of efficiently emitting light in the blue region of the visible spectrum.

Organic electroluminescent display device having superior characteristics at high temperature

An organic electroluminescent display device comprising a substrate, a first electrode and a second electrode formed on the substrate, and an organic film layer comprising at least one emitting layer between the first electrode and the second electrode. The emitting layer includes at least one phosphorescent dopant, and the dopant is represented by L3M or L2ML', wherein the M is a transition metal selected from the group consisting of Ir, Pt, Zn and Os, the L and L' are bidendate ligands coordinated with carbon and nitrogen, and at least one of the L and L' has 15 or more carbon atoms in the ligand.

Organic electroluminescent display device having superior characteristics at high temperature

An organic electroluminescent display device improves driving characteristics at a high temperature and storage characteristics of the organic electroluminescent display device, and prevents pixel contraction phenomena of the device by providing an organic electroluminescent display device comprising a substrate, a first electrode and a second electrode formed on the substrate, and an organic film layer comprising at least one emitting layer between the first electrode and the second electrode. The emitting layer includes at least one phosphorescent dopant, and the dopant is represented by L3M or L2ML′, wherein the M is a transition metal selected from the group consisting of Ir, Pt, Zn and Os, the L and L′ are bidendate ligands coordinated with carbon and nitrogen, and at least one of the L and L′ has 15 or more carbon atoms in the ligand.

Electroluminescent structure

본 발명은 하나 이상의 유기층을 함유하는 전기발광구조체에 관한 것이며, 층들 중 적어도 하나는 열적 또는 방사선-유도 교차결합에 의해 얻어지고, 층 1개당 적어도 하나의 전하-전달 화합물이 존재한다. 신규의 구조체는 예를 들어, 디스플레이어의 생성을 위해 매우 적합하다. 선택도 제 1도

Organic electroluminescence device, lighting equipment and display device

Provided are an organic electroluminescence device which has a high luminous efficiency, a low operating voltage and a long life and which is low in a voltage rise in operation and excellent in an ageing stability and has an aptitude in production by the wet process, and a lighting equipment and a display device which are prepared by using the same. The above organic electroluminescence device is constituted from organic layers including at least a light-emitting layer which are interposed between an anode and a cathode, wherein at least one layer of the above organic layers contains a blue phosphorescent organic metal complex having a structure represented by the following Formula (1) and a compound represented by the following Formula (H1):

Organic electroluminescent element, and illumination device and display device each comprising the element

Disclosed is an organic electroluminescent element which has high luminous efficiency, a low driving voltage, excellent heat resistance, excellent raw stock storability and a long service life.

White Organic Light Emitting Device

본 발명은 이중 스택 구조로 이루어진 백색 유기 발광 소자에 있어서, 청색 발광층에 인접한 전자수송층에 금속을 포함한 전자 수송 촉매층을 포함시켜 청색 발광 효율을 향상시키고, 상기 그리니쉬 옐로우 도펀트(greenish yellow dopant)를 이용하여 백색 표시의 효율을 높이고, 수명을 높이고 소비전력까지 개선한 백색 유기 발광 소자에 관한 것으로, 본 발명의 백색 유기 발광 소자는, 기판 상에 서로 대향된 양극과 음극;과, 상기 양극과 음극 사이에 형성된 전하 생성층;과, 상기 양극과 전하 생성층 사이의, 제 1 정공 수송층, 청색을 발광하는 제 1 발광층 및 제 1 전자 수송층이 적층되어 이루어진 제 1 스택; 및 상기 전하 생성층과 상기 음극 사이의, 제 2 정공 수송층, 하나의 녹색 호스트에 인광의 그리니쉬 옐로우(greenish yellow) 도펀트와 인광의 적색 도펀트를 함께 도핑한 제 2 발광층 및 제 2 전자 수송층이 적층되어 이루어지며, 상기 제 2 정공 수송층은 에너지 준위를 상기 제 2 발광층의 삼중항(triplet) 여기 상태 에너지 준위보다 높게 설정한 제 2 스택을 포함하여 이루어진 것을 특징으로 한다. In the white organic light emitting device having a double stack structure, an electron transport catalyst layer including a metal is included in an electron transport layer adjacent to a blue light emitting layer to improve blue light emission efficiency and use the greenish yellow dopant. The present invention relates to a white organic light emitting device having a high white display efficiency, a long lifetime, and an improved power consumption. The white organic light emitting device of the present invention comprises: an anode and a cathode facing each other on a substrate; A first stack formed by laminating a first hole transport layer, a first light emitting layer emitting blue light, and a first electron transporting layer between the anode and the charge generating layer; And a second hole transport layer between the charge generation layer and the cathode, a second light emitting layer and a second electron transport layer doped together with a greenish yellow dopant of phosphorescent and a red dopant of phosphorescent on one green host. The second hole transport layer may include a second stack having an energy level higher than a triplet excited state energy level of the second light emitting layer. 백색 유기 발광소자(WOLED: White Organic Light Emitting Device), 그리니쉬 옐로우 도펀트(greenish-yellow dopant), 인광 발광층, 형광 발광층, 스택 구 조, 삼중항 쌍 소멸(Triplet-Triplet Annihilation), IQE(Internal Quantum ...

Blue light emitting organic electroluminescence element

Blue light emitting organic electroluminescence element

본 발명은 양극 (20)과 음극 (60) 사이에, 적어도 발광층 (40)을 갖고, 상기 발광층 (40)은 호스트 재료 및 복수개의 도펀트를 함유하며, 상기 복수개의 도펀트 중 하나 이상은 자외 발광성을 갖는, 청색 발광 유기 전계 발광 소자 (1)을 제공한다. The present invention has at least a light emitting layer 40 between the anode 20 and the cathode 60, the light emitting layer 40 contains a host material and a plurality of dopants, at least one of the plurality of dopants is ultraviolet light emitting It has the blue light emitting organic electroluminescent element 1 which has. 청색 발광, 유기 전계 발광 소자, 발광층, 고발광 효율 Blue light emission, organic EL device, light emitting layer, high light emission efficiency

Blue light emitting organic electroluminescence element

A blue organic electroluminescent device (1) including at least an emitting layer (40) between an anode (20) and a cathode (60), the emitting layer (40) including a host material and a plurality of dopants, at least one of the dopants having ultraviolet luminescent properties.

Blue color fluorescent material and Organic electroluminescent device using the same

본 발명은 청색 형광 물질 및 이를 이용한 유기전계발광소자에 관한 것이다. The present invention relates to a blue fluorescent material and an organic light emitting device using the same. 본 발명에 있어서, 디페닐아민 유도체가 1,6-파이렌에 치환된 구조로서 페닐기에는 수소, 플로린, C1-C6의 치환 또는 비치환된 알킬기, C6~C30의 치환 또는 비치환된 방향족 그룹 또는 C6~C30의 치환 또는 비치환된 이형고리그룹으로부터 선택되는 물질이 치환되고, 특히 이중 두개는 플로린이며, 아민에는 C6~C30의 치환 또는 비치환된 방향족 그룹 또는 C6~C30의 치환 또는 비치환된 이형고리그룹으로부터 선택되는 물질이 치환됨으로써, 색순도와 발광효율 및 발광수명이 향상되는 것이 특징이다. In the present invention, the diphenylamine derivative is substituted with 1,6-pyrene, the phenyl group includes hydrogen, florin, C1-C6 substituted or unsubstituted alkyl group, C6 ~ C30 substituted or unsubstituted aromatic group or Substances selected from substituted or unsubstituted heterocyclic groups of C6 ~ C30 are substituted, in particular two of them are florin, and amines are substituted or unsubstituted of C6 ~ C30 with substituted or unsubstituted aromatic groups. Substituting a material selected from the heterocyclic group, it is characterized in that the color purity, luminous efficiency and luminous lifetime is improved. 형광, 청색, 유기전계발광소자 Fluorescent, blue, organic light emitting diode

Materials and devices for blue phosphorescence based orgainc light emitting diodes

一种OLED，包括用两种掺杂剂掺杂的宽带隙基质材料。所述掺杂剂之一是可迁移电子或空穴的发射磷光材料。其它掺杂剂是携带电荷的材料，它可迁移不被磷光掺杂剂迁移的任何电子和空穴。选择该材料，以便基质材料的最低三重态能级和携带电荷的掺杂剂材料的最低三重态能级的能量各自高于磷光掺杂剂材料的最低三重态能级的能量。该器件尤其能有效地发射在可见光谱的蓝色区域内的光。

Aromatic amine derivative, and organic electroluminescent element comprising the same

An aromatic amine derivative represented by the following formula (1) wherein at least one of Ar 1 to Ar 4 is a heterocyclic group represented by the following formula (2) wherein X 1 is an oxygen atom or a sulfur atom.

Aromatic amine derivative, and organic electroluminescent element comprising the same

An aromatic amine derivative represented by the following formula (1) wherein at least one of Ar 1 to Ar 4 is a heterocyclic group represented by the following formula (2) wherein X 1 is an oxygen atom or a sulfur atom.

Aromatic amine derivative, and organic electroluminescent element comprising the same

An aromatic amine derivative represented by the following formula (1) wherein at least one of Ar 1 to Ar 4 is a heterocyclic group represented by the following formula (2) wherein X 1 is an oxygen atom or a sulfur atom.

Aromatic amine derivative, and organic electroluminescent element comprising the same

An aromatic amine derivative represented by the following formula (1) wherein at least one of Ar 1 to Ar 4 is a heterocyclic group represented by the following formula (2) wherein X 1 is an oxygen atom or a sulfur atom.

Aromatic amine derivative, and organic electroluminescent element comprising the same

An aromatic amine derivative represented by the following formula (1) wherein at least one of Ar 1 to Ar 4 is a heterocyclic group represented by the following formula (2) wherein X 1 is an oxygen atom or a sulfur atom.

Aromatic amine derivative, and organic electroluminescent element comprising the same

An aromatic amine derivative represented by the following formula (1) wherein at least one of Ar 1 to Ar 4 is a heterocyclic group represented by the following formula (2) wherein X 1 is an oxygen atom or a sulfur atom.

Electroluminescent arrangement

In an electroluminescent arrangement containing one or more organic layers, at least one of the layers is obtained by thermal or radiation-induced crosslinking and at least one charge-transporting compound is present per layer. The novel arrangements are very suitable, for example, for the production of displays.

OLEDs utilizing direct injection to the triplet state

The present invention relates to OLEDs utilizing direct injection to the triplet state. The present invention also relates to OLEDs utilizing resonant injection and/or stepped energy levels.

Improved doping method for hole injection and transport layers

Organic sensitizers for up-conversion

Die vorliegende Erfindung betrifft Zusammensetzungen, Vorrichtungen enthaltend diese und deren Verwendung für Up-Conversion. The present invention relates to compositions, devices containing them and their use for up-conversion.

Organic sensitizers for up-conversion

The invention relates to compositions, devices containing same, and the use thereof for up-conversion. Said compositions and devices are particularly suitable for generating low-energy radiation.

Organic electroluminescence element, lighting device and display device

Organic electroluminescent element, and illumination device and display device each comprising the element

Provided is an o organic electroluminescence element comprising an anode, a cathode and a plurality of composing layers including a light emitting layer sandwiched between the anode and the cathode, wherein an electron transport layer containing the compound represented by Formula (1) is included in the composing layers; the light emitting layer contains a phosphorescence emitting organic metal complex; and the cathode or one composing layer adjacent to the cathode contains a metal or a metal compound belonging to Group 1 or Group 2 of the periodic table of elements, provided that the metal exhibits a standard electrode potential larger than −3 V vs. SHE in a system of the metal ion (M n+ )/the metal (M):

Organic electroluminescent display device having superior characteristics at high temperature

An organic electroluminescent display device improves driving characteristics at a high temperature and storage characteristics of the organic electroluminescent display device, and prevents pixel contraction phenomena of the device by providing an organic electroluminescent display device comprising a substrate, a first electrode and a second electrode formed on the substrate, and an organic film layer comprising at least one emitting layer between the first electrode and the second electrode. The emitting layer includes at least one phosphorescent dopant, and the dopant is represented by L3M or L2ML′, wherein the M is a transition metal selected from the group consisting of Ir, Pt, Zn and Os, the L and L′ are bidendate ligands coordinated with carbon and nitrogen, and at least one of the L and L′ has 15 or more carbon atoms in the ligand.

Organic light-emitting diode luminaires

There is provided n organic light-emitting diode luminaire. The luminaire includes a first electrode, a second electrode, and a light-emitting layer therebetween. The light-emitting layer includes a small molecule host material having dispersed therein a first dopant having a first emitted color and a second dopant having a second emitted color. The overall emission color is white.

Organic electroluminescent display device having superior characteristics at high temperature

An organic electroluminescent display device improves driving characteristics at a high temperature and storage characteristics of the organic electroluminescent display device, and prevents pixel contraction phenomena of the device by providing an organic electroluminescent display device comprising a substrate, a first electrode and a second electrode formed on the substrate, and an organic film layer comprising at least one emitting layer between the first electrode and the second electrode. The emitting layer includes at least one phosphorescent dopant, and the dopant is represented by L3M or L2ML′, wherein the M is a transition metal selected from the group consisting of Ir, Pt, Zn and Os, the L and L′ are bidendate ligands coordinated with carbon and nitrogen, and at least one of the L and L′ has 15 or more carbon atoms in the ligand.

Organic light emitting device

An organic light emitting device includes a first electrode; a second electrode; an emissive layer disposed between the first electrode and the second electrode; a first hole injection layer disposed between the first electrode and the second electrode; and a second hole injection layer disposed between the first electrode and the second electrode. The first hole injection layer includes a metal fluoride and a first organic hole injection layer forming compound, and the second hole injection layer includes a metal oxide and a second organic hole injection layer forming compound

High efficiency multi-color electro-phosphorescent OLEDS

The present invention relates to efficient organic light emitting devices (OLEDs) doped with multiple light-emitting dopants, at least one dopant comprising a phosphorescent emitter, in a thin film emissive layer or layers. The present invention is directed to an efficient phosphorescent organic light emitting device utilizing a plurality of emissive dopants in an emissive region, wherein at least one of the dopants is a phosphorescent material. Thus, the present invention provides an organic light emitting device comprising an emissive region, wherein the emissive region comprises a host material, and a plurality of emissive dopants, wherein the emissive region is comprised of a plurality of bands and each emissive dopant is doped into a separate band within the emissive region, and wherein at least one of the emissive dopants emits light by phosphorescence.

Organic light emitting device including first hole injection layer and second hole injection layer

An organic light emitting device includes a first electrode; a second electrode; an emissive layer disposed between the first electrode and the second electrode; a first hole injection layer disposed between the first electrode and the second electrode; and a second hole injection layer disposed between the first electrode and the second electrode. The first hole injection layer includes a metal fluoride and a first organic hole injection layer forming compound, and the second hole injection layer includes a metal oxide and a second organic hole injection layer forming compound.

High efficiency multi-color electro-phosphorescent OLEDs

本发明涉及用多种发光掺杂剂掺杂的有效的有机发光器件(OLED)，至少一种掺杂剂在薄膜发射层中包括磷光发射体。本发明涉及一种有效的磷光有机发光器件，其在发射区使用大量发射掺杂剂，其中至少掺杂剂中的一种是磷光材料。因此，本发明提供了一种含有发射区的有机发光器件，其中发射区含有主体材料和大量发射掺杂剂，其中发射区由大量的带组成，并且各个发射掺杂剂掺杂至发射区中的单独的带中，并且其中至少一种发射掺杂剂通过磷光发光。

Organic electroluminescence device

An organic electroluminescent device includes a pair of electrodes; and an organic layer between the pair of electrodes, which comprises a light-emitting layer and contains a compound represented by the following formula (1): wherein each of R 1 to R 8 independently represents a hydrogen atom or a substituent, A represents an aromatic ring which may have a substituent, m represents an integer of 2 or greater, and n represents an integer of 1 or greater.

Organic EL device

- organic light-emitting device with a phosphor-sensitized fluorescent emission layer

본 발명은 유기 발광 소자(OLED), 더욱 구체적으로는 형광 에미터와 인광 에미터의 조합을 이용하여 발광하는 OLED에 관한 것이다. 본 발명의 소자의 방출 영역은 인광 에미터와 형광 에미터의 조합 방출을 가지는 하나 이상의 인광체-감작화 층을 포함한다. 바람직한 실시양태에서, 본 발명은 백색-방출 OLED(WOLED)에 관한 것이다. The present invention relates to an organic light emitting diode (OLED), and more particularly to an OLED that emits light using a combination of a fluorescent emitter and a phosphorescent emitter. The emission region of the device of the present invention comprises at least one phosphor-sensitized layer having a combined emission of a phosphorescent emitter and a fluorescent emitter. In a preferred embodiment, the invention relates to a white-emitting OLED (WOLED). 유기 발광 소자, 인광 에미터, 형광 에미터 Organic light emitting device, phosphorescent emitter, fluorescent emitter

Oleds utilizing direct injection to the triplet state

본 발명은 삼중항 상태로의 직접 주입을 이용하는 OLED(유기 발광 장치)에 관한 것이다. 본 발명은 또한 공명 주입 및/또는 단차 에너지 준위를 이용하는 OLED에 관한 것이다. The present invention relates to an OLED (organic light emitting device) using direct injection into a triplet state. The invention also relates to OLEDs using resonance injection and / or step energy levels. 유기 발광 장치, 인광성 도펀트, 발광층 Organic light emitting device, phosphorescent dopant, light emitting layer

Materials and devices for blue phosphorescence based organic light emitting diodes

An OLED includes a wide gap inert host material doped with two dopants. One of the dopants is an emissive phosphorescent material that can transport either electrons or holes. The other dopant is a charge carrying material that can transport whichever of the electrons and holes that is not transported by the phosphorescent dopant. The materials are selected so that the lowest triplet energy level of the host material and the lowest triplet energy level of the charge carrying dopant material are each at a higher energy level than the lowest triplet state energy level of the phosphorescent dopant material. The device is capable, in particular, of efficiently emitting light in the blue region of the visible spectrum.

Cyclometalated four teeth Pt (II) complex

提供了新的磷光四齿铂(II)化合物。所述化合物含有异咪唑结构部分，任选地进一步用扭曲芳基取代。这些化合物可有利地用于OLEDs中。

Organic light-emitting device with a phosphor-sensitized fluorescent emission layer

本发明涉及有机发光器件(OLED)，更特别地涉及使用荧光发射体和磷光发射体的结合发光的OLED。本发明器件的发射区包括至少一个磷光体－敏化层，该层具有来自磷光发射体和荧光发射体的结合发射。在优选的实施方式中，本发明涉及发白光的OLED(WOLED)。

Materials and devices for blue phosphorescence based organic light emitting diodes

OLED는 두 가지 도핑제로 도핑된 와이드 갭 불활성 호스트 재료를 포함한다. 도핑제 중 하나는 전자 또는 정공 중 어느 하나를 운반할 수 있는 인광 방출 재료이다. 나머지 도핑제는 인광성 도핑제에 의해 운반되지 않는 전자 및 정공 중 어느 한쪽을 운반할 수 있는 전하 운반 재료이다. 호스트 재료의 최저 삼중항 에너지 레벨 및 전하 운반 도핑제 재료의 최저 삼중항 에너지 레벨이 각각 인광성 도핑제 재료의 최저 삼중항 상태 에너지 레벨 보다 높도록 재료가 선택된다. 본 디바이스는 특히, 가시 스펙트럼의 청색 영역에서 효율적으로 발광할 수 있다. OLEDs comprise a wide gap inert host material doped with two dopants. One of the dopants is a phosphorescent emitting material capable of carrying either electrons or holes. The remaining dopant is a charge transport material that can carry either electrons or holes that are not carried by the phosphorescent dopant. The material is selected such that the lowest triplet energy level of the host material and the lowest triplet energy level of the charge transport dopant material are respectively higher than the lowest triplet state energy level of the phosphorescent dopant material. The device can emit light particularly efficiently in the blue region of the visible spectrum.

Display device using semiconductor light emitting device

본 발명은 디스플레이 장치에 관한 것으로 특히, 반도체 발광 소자를 이용한 디스플레이 장치에 관한 것이다. 본 발명에 따른 디스플레이 장치는, 제1 및 제2 전극라인을 구비하는 배선기판, 상기 제1 전극라인과 전기적으로 연결되는 도전형 전극과, 상기 제2도전형 전극과 적층되는 복수의 도전형 반도체층을 구비하는 반도체 발광 소자들, 일 방향을 따라 인접하는 반도체 발광소자들을 서로 연결하는 연결라인 및 상기 복수의 도전형 반도체층 중 어느 하나와 동일한 재질로 이루어지며, 상기 연결라인과 전기적으로 연결되는 반도체층과, 상기 반도체 발광소자들, 상기 연결라인, 및 상기 제2 전극라인으로 이어지는 도전 경로를 형성하도록 상기 반도체층에 적층되는 연결전극을 구비하는 연결 전극부를 포함하는 것을 특징으로 한다. The present invention relates to a display device, and more particularly, to a display device using a semiconductor light emitting device. A display device according to the present invention includes a wiring substrate having first and second electrode lines, a conductive electrode electrically connected to the first electrode line, a plurality of conductive semiconductor layers stacked with the second conductive electrode, A plurality of semiconductor light emitting devices having a plurality of semiconductor light emitting devices, a plurality of semiconductor light emitting devices having a plurality of semiconductor light emitting devices, a plurality of semiconductor light emitting devices having a plurality of semiconductor light emitting devices, And a connection electrode part having a semiconductor layer, and a connection electrode layer laminated on the semiconductor layer to form a conductive path leading to the semiconductor light emitting elements, the connection line, and the second electrode line.

Organic electroluminescent device

유기 전계발광 소자는 양극, 음극, 및 양극과 음극 사이에 유기 기능성 층을 포함하고, 여기에서 홀 주입층, 홀 전달층 및 전자 전달층의 적어도 하나는 호스트 물질 및 호스트 물질에 도핑된 무기 불활성 물질을 포함하고, 그리고 무기 불활성 물질은 금속의 할로겐화물, 산화물, 또는 탄산염이다. 유기 전계발광 소자, 유기 기능성 층, 호스트 물질, 무기 불활성 물질, 도핑

Light emitting device and manufacturing method thereof

A light emitting device and a manufacturing method thereof are provided to maximize a luminous efficiency and minimize an optical loss by binding a photonic crystal structure including a porous alumina layer. A light emitting device(100) includes a semiconductor substrate(110), a light emitting layer(120), a transparent electrode(130), a porous alumina layer(140), and a light transmission layer(145). The light emitting layer is positioned on the semiconductor substrate and nanoparticles of metal oxide are distributed in a polymer thin film as light emitting media. The transparent electrode is positioned on the light emitting layer and transmits light emitted from the light emitting layer. The porous alumina layer is positioned on the transparent electrode. The light emitting layer is positioned on the porous alumina layer. The polymer is polyimide. The transparent electrode is an ITO electrode. The nanoparticles of metal oxide are any one of CyO, ZnO, and SnO2.

High efficiency multi-color electro- phosphorescent oleds

본 발명은 복수 발광 도펀트로 도프된 효율적인 유기 발광 장치(OLEDs)에 관한 것으로, 적어도 하나의 도펀트가 박막 방사층 또는 층들에서 인광 방사체를 포함한다. 본 발명은 방사 영역에서 복수의 방사 도펀트를 이용하는 효율적인 인광 유기 발광 장치에 관한 것이며, 여기서 적어도 하나의 도펀트는 인광성 물질이다. 그래서, 본 발명은 방사 영역을 포함하는 유기 발광 장치를 제공하며, 여기서 방사영역은 호스트 물질, 및 복수의 방사 도펀트를 포함하고, 여기서 방사 영역은 복수의 밴드로 구성되고, 그리고 각 방사 도펀트는 방사 영역내에서 별개 밴드내로 도프되고, 그리고 여기서 적어도 하나의 방사 도펀트가 인광에 의해서 발광한다. The present invention relates to efficient organic light emitting devices (OLEDs) doped with a plurality of light emitting dopants, wherein at least one dopant comprises a phosphorescent emitter in a thin film emissive layer or layers. The present invention relates to an efficient phosphorescent organic light emitting device utilizing a plurality of emitting dopants in a radiation region, wherein at least one dopant is a phosphorescent material. Thus, the present invention provides an organic light emitting device comprising a radiation region, wherein the radiation region comprises a host material, and a plurality of radiation dopants, wherein the radiation region consists of a plurality of bands, and each radiation dopant is radiated. Doped into separate bands in the region, where at least one emissive dopant emits light by phosphorescence.

White organic light-emitting devices and method for preparing the same

본 발명은 백색 유기 발광 소자 및 그의 제조방법에 관한 것이고, 본 발명에 따른 백색 유기 발광 소자는 두 개의 전극 사이에 발광층을 포함하며, 상기 발광층은 백색을 구현하는 청색 발광층 및 청색 이외의 발광층을 포함하며, 상기 청색 이외의 발광층은 정공 수송 물질과 전자 수송 물질의 혼합물을 호스트 물질로 사용하고, 도펀트로서 인광 물질을 사용하여 형성될 수 있다. 이와 같은 유기 발광 소자는 안정성 측면에서 우수한 특성을 얻을 수 있으며, 더 나아가 소자의 발광 효율 및 소자의 수명을 개선시킨다. 백색, 발광 소자, 인광 물질

Organic electroluminescent element comprising aromatic amine derivative

본 발명은 하기 화학식 (1)로 표시되는 방향족 아민 유도체에 관한 것이다. {Ar 1 내지 Ar 4 중 적어도 1개가 하기 화학식 (2)로 표시되는 복소환기임 (X 1 은 산소 원자 또는 황 원자를 나타냄)} The present invention relates to an aromatic amine derivative represented by the following general formula (1). {At least 1 of Ar 1 to Ar 4 is a heterocyclic group represented by the following general formula (2) (X 1 represents an oxygen atom or a sulfur atom)}

Luminescent composition

本发明涉及包括发光组合物的发光装置和系统，所述发光组合物包括：(i)第一发光材料，所述第一发光材料具有掺杂有Eu 3+ 离子的主晶格；(ii)第二发光材料，所述第二发光材料具有掺杂有Tb 3+ 离子的主晶格；和(iii)敏化剂材料，该敏化剂材料在紫色至蓝色(400～480nm)波长范围内可被激发，并且发射光谱与第一发光材料的一个或多个激发带至少部分重叠，并且与第二发光材料的一个或多个激发带至少部分重叠。

Organic el device

양극과 음극 사이에, 형광 도펀트를 함유하는 발광층, 인광 도펀트를 함유하는 발광층, 바이폴라층을 함유하는 유기층을 구비하고, 바이폴라층은 형광 도펀트를 함유하는 발광층과 인광 도펀트를 함유하는 발광층 사이에 형성된 유기 EL 소자. Between an anode and a cathode, a light emitting layer containing a fluorescent dopant, a light emitting layer containing a phosphorescent dopant, and an organic layer containing a bipolar layer, wherein the bipolar layer is an organic layer formed between a light emitting layer containing a fluorescent dopant and a light emitting layer containing a phosphorescent dopant EL element. 유기 EL 소자, 발광층, 유기층 Organic EL element, light emitting layer, organic layer

Organic electroluminescence element

한 쌍의 전극 사이에 발광층이 설치된 유기 전기발광 소자로서, 상기 발광층이 발광층 재료, 이하의 관계를 만족시키는 제 1 도펀트 및 제 2 도펀트를 포함하는 것을 특징으로 하는 유기 전기발광 소자. (A) EV0 > EV1 또한 EV0 > EV2 (B) EC0 ≥ EC2 (C) Eg0 > Eg1, Eg2 [상기 식에서, EV0, EV1 및 EV2는 각각 발광층 재료, 제 1 도펀트 및 제 2 도펀트의 가전자 레벨이고, EC0 및 EC2는 각각 발광층 재료 및 제 2 도펀트의 전도 레벨이고, Eg0, Eg1 및 Eg2는 각각 발광층 재료, 제 1 도펀트 및 제 2 도펀트의 에너지 갭이다]

Display device

本发明涉及显示装置，其中，显示装置可以包括：第一基板，包括有规律地布置的多个发光二极管；第二基板，包括TFT面板部，所述薄膜晶体管面板部包括驱动所述发光二极管的多个薄膜晶体管(TFT)，其中，所述第一基板及第二基板以彼此的一面相面对的方式结合，从而所述各发光二极管与各TFT电连接。根据本发明，由于可以使用利用氮化物半导体的微型发光二极管构成显示装置，因此具有能够应用于可穿戴设备的高效率高分辨率，且具有功耗低的效果。

Materials and devices for blue phosphorescence based on organic light emitting diodes

Ultraviolet phosphor

Electro-luminescent arrangements with thiophene carboxylate metal complexes

Electroluminescent assembly comprising a substrate, an anode, an electroluminescent element and a cathode, where at least one of the two electrodes is transparent in the visible spectral region and the electroluminescent element comprises one or more zones selected from the group consisting of a hole injection zone, a hole transport zone, an electroluminescent zone, an electron transport zone and an electron injection zone in the specified order, where each of the zones present may also assume functions of the other zones mentioned, characterized in that the electroluminescent element contains a thiophenecarboxylate-metal complex.

Organic light-emitting device having high luminescent efficiency

本发明公开了一种高发光效率的有机发光器件(OLED)，其中大多数电子和空穴在OLED的发光层内结合。该OLED包括形成在基底上的第一电极，包括有机发光层在内的至少一层有机层，形成在所述有机层上的第二电极，以及空穴诱导层和/或电子阻断层，其中所述空穴诱导层含有电离电势高于所述有机发光层的电离电势的材料并形成在所述第一电极与所述有机发光层之间，所述电子阻断层含有电子亲合力高于所述有机发光层的电子亲合力的材料并形成在所述第二电极与所述有机发光层之间。

Organic electroluminescence element

An organic electroluminescence element comprising a light emitting layer provided between a pair of electrodes, characterized in that the light emitting layer contains a light emitting layer material, and a first dopant and a second dopant that satisfy the following relations. (A) EV0>EV1 and EV0>EV2 (B) EC0≥EC2 (C) Eg0>Eg1, Eg2 [In the expressions, EV0, EV1, EV2 are respectively the valence electron levels of the light emitting layer, the first dopant and the second dopant, EC0 and EC2 respectively the conduction levels of the light emitting layer material and the second dopant, and Eg0, Eg1, Eg2 respectively the energy gaps of the light emitting layer material, the first dopant, the second dopant.]

Organic light emitting device

A light-emitting device comprises a substrate (13), a light-emissive layer (15) disposed over the substrate, and a grating (17) for aligning the light-emissive layer (15). The grating (17) aligns molecules of the emissive layer (15), so that the device emits polarised. The grating also reduces waveguiding effects in the device, so increasing the useful light output of the device. The invention may be applied to an organic light-emitting device (OLED). The grating (17) may align substantially the entire area of the light-emissive layer (15) in a first direction. In this case, substantially the entire emissive area of the device will emit layer of a single polarisation. Alternatively, the grating (17) may align a first region of the light-emissive layer in a first direction and may align a second region of the light-emissive layer in a second direction different from the first direction.