CN104370686A - Deuterated Compounds For Electronic Applications - Google Patents

Abstract

This invention relates to deuterated aryl-anthracene compounds that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.

Description

For the deuterated compound of electronic application

Book application for a patent for invention is international application no is PCT/US2009/068945, international filing date is on December 21st, 2009, the application number entering National Phase in China is 200980161299.6, the divisional application of the application for a patent for invention that name is called " deuterated compound for electronic application ".

related Application Data

Present patent application requires according to 35U.S.C. § 119 (e) U.S. Provisional Patent Application 61/156 being filed on February 27th, 2009,181, the U.S. Provisional Patent Application 61/179 on May 19th, 2009 is filed in, 407 and be filed in the U.S. Provisional Patent Application 61/239 on September 3rd, 2009, the right of priority of 574, is incorporated herein by reference every section of entirety.

background of invention

open field

The present invention relates to anthracene derivative compound deuterated at least partly.It also relates to wherein at least one active coating and comprises the electron device of this compounds.

association area explanation

The photodiode that luminous organic electronic devices such as forms indicating meter is present in many different types of electronicss.In all such devices, organic active layer is all sandwiched between two electric contacting layers.At least one in described electric contacting layer is that printing opacity is so that light can pass this electric contacting layer.When applying electric current on whole electric contacting layer, organic active layer utilizing emitted light is through the electric contacting layer of this printing opacity.

Known in the light emitting diode by organic electroluminescent compounds be used as active ingredient.The simple organic molecule display such as known such as anthracene, thiadiazoles derivative and coumarin derivatives has Electroluminescence.Semiconductive conjugated polymer is used as electroluminescent components, as being disclosed in such as U.S. Patent Publication 5,247,190, U.S. Patent Publication 5,408,109 and the european patent application 443 861 announced.In many cases, electroluminescent compounds is present in substrate material with doping agent form.

Continue to need the type material for electron device.

summary of the invention

The invention provides the anthracene that there is the substituent aryl of at least one deuterium and replace.

Present invention provides the electron device comprising active coating, described active coating comprises above-claimed cpd.

Present invention also offers electroactive composition, it comprises (a) and has anthracene that the substituent aryl of at least one deuterium replaces and (b) can electroluminescent electroactive adulterant, and its emission maximum is between 380 and 750nm.

accompanying drawing is sketched

Shown in the drawings of embodiment to promote the understanding to concept described herein.

Fig. 1 includes the diagram of an example of organic electronic device.

Fig. 2 comprises comparative compound in Comparative Example A An ¹h NMR wave spectrum.

Fig. 3 comprises deuterated compound in embodiment 1 ¹h NMR wave spectrum.

Fig. 4 comprises the mass spectrum of the deuterated compound in embodiment 1.

Technician understands, and the object in accompanying drawing is with might not draw in proportion shown in short and sweet mode.Such as, in figure, the size of some objects may be amplified to understand embodiment better to some extent relative to other object.

detailed Description Of The Invention

Many aspects and embodiment are disclosed herein and for exemplary and nonrestrictive.After reading this specification sheets, technician it should be understood that without departing from the present invention, and other side and embodiment are also possible.

By reading following detailed Description Of The Invention and claim, the further feature of any one or more embodiments and beneficial effect will become apparent.First detailed Description Of The Invention focuses on definition and the illustrating of term, and then describes deuterated compound, electron device, finally describes embodiment.

1. the definition of term and explanation

Before addressing details of embodiments described below, first define or illustrate some terms.

As used herein, term " alicyclic ring " is intended to indicate the cyclic group without delocalizedπelectron.In some embodiments, described alicyclic ring is non-unsaturated.In some embodiments, this ring has a double bond or triple bond.

Term " alkoxyl group " refers to radicals R O-, and wherein R is alkyl.

Term " alkyl " is intended to represent the group with a point of contact derived from aliphatic hydrocrbon, and comprises the group of straight chain, side chain or ring-type.This term is intended to comprise assorted alkyl.Term " hydrocarbon alkyl " refers to not have heteroatomic alkyl.The hydrocarbon alkyl that term " deuteroalkyl " is replaced by D for having at least one available H.In some embodiments, alkyl has 1-20 carbon atom.

Term " branched-chain alkyl " refers to the alkyl with at least one secondary carbon or tertiary carbon.Term " secondary alkyl " refers to the branched-chain alkyl with secondary carbon(atom).Term " tertiary alkyl " refers to the branched-chain alkyl with tertiary carbon atom.In some embodiments, branched-chain alkyl is linked by secondary carbon or tertiary carbon.

Term " aryl " is intended to represent the group with a tie point derived from aromatic hydrocarbon.Term " aromatic substance " is intended to represent and comprises the organic compound that at least one has the unsaturated cyclic group of delocalizedπelectron.This term is intended to comprise heteroaryl.Term " hydrocarbon aryl " is intended to do not have heteroatomic aromatic substance in representative ring.Term aryl comprises the group with monocycle, and has many rings of being connected by singly-bound or condense together those.Term " deuterated aryl " refers to the aryl having at least one available H being bonded directly to aryl and replaced by D.Term " arylidene " be intended to represent have two tie points, derived from the group of aromatic hydrocarbon.In some embodiments, aryl has 3-60 carbon atom.

Term " aryloxy " refers to radicals R O-, and wherein R is aryl.

Term " compound " is intended to represent the uncharged material by molecular composition, and described molecule is made up of atom further, is not wherein separated by atom by physical means.When being used to refer to the layer in device, phrase " adjacent " is not to refer to that one deck nestles up another layer.On the other hand, phrase " adjacent R yl " to be used to refer in chemical formula R base immediately each other (that is, the R yl on the atom closed by bond).

Term " deuterated " is intended to represent that at least one H is replaced by D.Deuterium is with at least 100 of natural abundance times of existence." the deuterated derivative " of compounds X has the structure identical with compounds X, but has at least one D replacing H.

Term " doping agent " is intended to represent the material comprised in the layer of substrate material, compared with one or more electrical characteristic of described layer Radiation Emission, reception or filtration when lacking this type of material or one or more wavelength, described doping agent changes described layer Radiation Emission, one or more electrical characteristic of reception or filtration or one or more index wavelength.

When relating to layer or material, term " electroactive " is intended to represent the layer or material that show electronics or electirc radiation characteristic.In electron device, electroactive material is conducive to the operation of device electroly.The example of electroactive material includes but not limited to conduct, inject, transmission or block the material of electric charge, and wherein electric charge can be electronics or hole, and emitted radiation or show the material of electron-hole pair change in concentration when including but not limited to accept radiation.The example of non-active material includes but not limited to planarisation material, insulating material and environmental protection material.

Prefix " is mixed " and is represented one or more carbon atom by different atomic substitutions.In some embodiments, described different atom is N, O or S.

Term " substrate material " is intended to represent the material adding doping agent to it.Substrate material can have or can not have transmitting, receive or the characteristic electron of filter radiation or ability.In some embodiments, substrate material exists with higher concentration.

Term " layer " and term " film " are used interchangeably, and refer to the coating covering desired region.This term is not by the restriction of size.Described region can greatly as whole device, or also can be little of specific functional zone (as actual visual display unit), or little of single sub-pixel.Layer and film can be formed by the deposition technique of any routine, comprise vapour deposition, liquid deposition (continuous and discontinuous technology) and heat transfer.Successive sedimentation technology includes but not limited to spin coating, intaglio plate coating, curtain coating, dip-coating, channel mould coating, spraying and continuous spray.Discontinuous deposition technique includes but not limited to ink jet printing, intaglio printing and silk screen printing.

Term " organic electronic devices " or be sometimes only called " electron device ", is intended to represent the device comprising one or more organic semiconductor layer or material.Except as otherwise noted, all groups can be substituted or unsubstituted.In some embodiments, substituting group is selected from D, halogen, alkyl, alkoxyl group, aryl, aryloxy, cyano group and NR ₂, wherein R is alkyl or aryl.

Unless otherwise defined, what all technology used herein and the implication of scientific terminology were all understood usually with those skilled in the art is the same.Although with method as herein described and material type like or the also enforcement used in the present invention or in testing of the method that is equal to and material, described below is suitable method and material.All publications, patent application, patent and other bibliography mentioned herein are all incorporated herein by reference in full.If conflict occurs, be as the criterion with this specification sheets and the definition that comprises thereof.In addition, material, method and embodiment are only exemplary, are not intended to limit.

IUPAC numbering system is used in full, and wherein the race of the periodic table of elements numbers (CRC Handbook of Chemistry and Physics, the 81st edition, 2000) from left to right by 1-18.

2. deuterated compound

Novel deuterated compound is the anthracene compound that the aryl with at least one D replaces.In some embodiments, described compound is at least 10% deuterated.This refers to that the H of at least 10% is replaced by D.In some embodiments, described compound is at least 20% deuterated; At least 30% deuterated in some embodiments; At least 40% deuterated in some embodiments; At least 50% deuterated in some embodiments; At least 60% deuterated in some embodiments; At least 70% deuterated in some embodiments; At least 80% deuterated in some embodiments; At least 90% deuterated in some embodiments.In some embodiments, described compound is 100% deuterated.

In one embodiment, deuterated compound has formula I:

Wherein:

R ¹to R ⁸identical or different and be selected from H, D, alkyl, alkoxyl group, aryl, aryloxy, siloxanes and silyl when occurring at every turn;

Ar ¹and Ar ²identical or different and be selected from aryl; And

Ar ³and Ar ⁴identical or different and be selected from H, D and aryl;

Wherein said compound has at least one D.

In some embodiments of formula I, at least one D described is present on the substituting group of aromatic ring.In some embodiments, substituting group is selected from alkyl and aryl.

In some embodiments of formula I, R ¹to R ⁸in at least one be D.In some embodiments, R ¹to R ⁸in at least two be D.In some embodiments, at least three is D; In some embodiments, at least four is D; In some embodiments, at least five is D; In some embodiments, at least six is D; In some embodiments, at least seven is D.In some embodiments, R ¹to R ⁸be D.

In some embodiments, R ¹to R ⁸be selected from H and D.In some embodiments, R ¹to R ⁸in one be D, and seven is H.In some embodiments, R ¹to R ⁸in two be D, and six is H.In some embodiments, R ¹to R ⁸in three be D, and five is H.In some embodiments, R ¹to R ⁸in four be D, and four is H.In some embodiments, R ¹to R ⁸in five be D, and three is H.In some embodiments, R ¹to R ⁸in six be D, and two is H.In some embodiments, R ¹to R ⁸in seven be D, and one is H.In some embodiments, R ⁸to R ¹in eight be D.

In some embodiments, R ¹to R ⁸in at least one be selected from alkyl, alkoxyl group, aryl, aryloxy, siloxanes and silyl, and R ¹to R ⁸in residue person be selected from H and D.In some embodiments, R ²be selected from alkyl, alkoxyl group, aryl, aryloxy, siloxanes and silyl.In some embodiments, R ²be selected from alkyl and aryl.In some embodiments, R ²be selected from deuteroalkyl and deuterated aryl.In some embodiments, R ²be selected from least 10% deuterated deuterated aryl.In some embodiments, R ²be selected from least 20% deuterated; In some embodiments, at least 30% is deuterated; In some embodiments, at least 40% is deuterated; In some embodiments, at least 50% is deuterated; In some embodiments, at least 60% is deuterated; In some embodiments, at least 70% is deuterated; In some embodiments, at least 80% is deuterated; In some embodiments, at least 90% deuterated deuterated aryl.In some embodiments, R ²be selected from 100% deuterated deuterated aryl.

In some embodiments of formula I, Ar ¹to Ar ⁴in at least one be deuterated aryl.In some embodiments, Ar ³and Ar ⁴be selected from D and deuterated aryl.

In some embodiments of formula I, Ar ¹to Ar ⁴at least 10% deuterated.In some embodiments of formula I, Ar ¹to Ar ⁴at least 20% deuterated; At least 30% deuterated in some embodiments; At least 40% deuterated in some embodiments; At least 50% deuterated in some embodiments; At least 60% deuterated in some embodiments; At least 70% deuterated in some embodiments; At least 80% deuterated in some embodiments; At least 90% deuterated in some embodiments; 100% deuterated in some embodiments.

In some embodiments, the compound of formula I is at least 10% deuterated; At least 20% deuterated in some embodiments; At least 30% deuterated in some embodiments; At least 40% deuterated in some embodiments; At least 50% deuterated in some embodiments; At least 60% deuterated in some embodiments; At least 70% deuterated in some embodiments; At least 80% deuterated in some embodiments; At least 90% deuterated in some embodiments.In some embodiments, described compound is 100% deuterated.

In some embodiments, Ar ¹and Ar ²be selected from phenyl, naphthyl, phenanthryl, anthryl and their deuterated derivative.In some embodiments, Ar ¹and Ar ²be selected from phenyl, naphthyl and their deuterated derivative.

In some embodiments, Ar ³and Ar ⁴be selected from phenyl, naphthyl, phenanthryl, anthryl, phenyl naphthylidene, naphthylphenylene, they deuterated derivative and there is the group of formula II:

Wherein:

R ⁹identical or different and be selected from H, D, alkyl, alkoxyl group, siloxanes and silyl when occurring at every turn, or adjacent R ⁹base can be joined together formation aromatic ring; And

M is identical or different when occurring at every turn, and is the integer of 1 to 6.

In some embodiments, Ar ³and Ar ⁴be selected from phenyl, naphthyl, phenyl naphthylidene, naphthylphenylene, they deuterated derivative and there is the group of formula III:

Wherein R ⁹with m as in formula II above define.In some embodiments, m is the integer of 1 to 3.

In some embodiments, Ar ¹to Ar ⁴in at least one be heteroaryl.In some embodiments, heteroaryl is deuterated.In some embodiments, heteroaryl is at least 10% deuterated; At least 20% deuterated in some embodiments; At least 30% deuterated in some embodiments; At least 40% deuterated in some embodiments; At least 50% deuterated in some embodiments; At least 60% deuterated in some embodiments; At least 70% deuterated in some embodiments; At least 80% deuterated in some embodiments; At least 90% deuterated in some embodiments.In some embodiments, heteroaryl is 100% deuterated.In some embodiments, heteroaryl is selected from carbazole, cumarone, diphenylene-oxide and their deuterated derivative.

In some embodiments of formula I, R ¹to R ⁸in at least one be D, and Ar ¹to Ar ⁴in at least one be deuterated aryl.In some embodiments, described compound is at least 10% deuterated.In some embodiments, described compound is at least 20% deuterated; At least 30% deuterated in some embodiments; At least 40% deuterated in some embodiments; At least 50% deuterated in some embodiments; At least 60% deuterated in some embodiments; At least 70% deuterated in some embodiments; At least 80% deuterated in some embodiments; At least 90% deuterated in some embodiments.In some embodiments, described compound is 100% deuterated.

Some limiting examples with the compound of formula I comprise following compound H 1 to H14:

compound H 1:

Wherein x+y+z+n=1-26

compound H 2:

Wherein x+y+z+p+n=1-30

compound H 3:

Wherein x+y+z+p+n+r=1-32

compound H 4:

Wherein x+y+z+p+n=1-18

compound H 5:

Wherein x+y+z+p+n+q=1-34

compound H 6:

Wherein x+y+z+n=1-18

compound H 7:

Wherein x+y+z+p+n=1-28

compound H 8:

compound H 9:

compound H 10:

compound H 11:

compound H 12:

compound H 13:

compound H 14:

The non-deuterated analogue of new compound obtains by known coupling and substitution reaction.Then by using deuterated precursor material in a similar fashion, or more generally pass through at Lewis acid H/D exchange catalysts as aluminum chloride or ethylaluminium chloride, or acid is as CF ₃under the existence of COOD, DCl etc., with deuterated solvent as the non-deuterated compound of d6-benzene process, obtained new deuterated compound.Exemplary preparation is shown in embodiment.Deuterated level is analyzed by NMR and mass spectrograph such as air solid analysis detection mass spectrograph (ASAP-MS) measures.The aromatic substance that deuterated or part is deuterated entirely or the raw material of alkylate can available from commercial sources, and currently known methods maybe can be adopted to obtain.Some examples of these class methods are found in a) " Efficient H/D Exchange Reactions of Alkyl-Substituted Benzene Derivativesby Means of the Pd/C-H2-D2O System ", Hiroyoshi Esaki, Fumiyo Aoki, Miho Umemura, Masatsugu Kato, Tomohiro Maegawa, YasunariMonguchi, with Hironao Sajiki Chem.Eur.J.2007,13,4052-4063; B) " Aromatic H/D Exchange Reaction Catalyzed by Groups 5and 6MetalChlorides ", GUO, Qiao-Xia, SHEN, Bao-Jian; GUO, Hai-Qing, TAKAHASHI, Tamotsu (" Chinese Journal of Chemistry ", 2005,23,341-344); C) " A novel deuterium effect on dual charge-transfer and ligand-field emission of the cis-dichlorobis (2; 2'-bipyridine) iridium (III) ion ", Richard J.Watts, Shlomo Efrima, with Horia Metiu (" J.Am.Chem.Soc. ", 1979,101 (10), 2742-2743); D) " Efficient H-D Exchange of AromaticCompounds in Near-Critical D20Catalysed by a Polymer-Supported SulphonicAcid ", Carmen Boix and Martyn Poliakoff (" Tetrahedron Letters ", 40,1999,4433-4436); E) US3849458; F) " Efficient C-H/C-D ExchangeReaction on the Alkyl Side Chain of Aromatic Compounds Using HeterogeneousPd/C in D2O ", Hironao Sajiki, Fumiyo Aoki, Hiroyoshi Esaki, TomohiroMaegawa, and Kosaku Hirota (" Org.Lett. ", 2004, in 6 (9), 1485-1487.

Liquid-phase deposition technique can be adopted to make compound formation film described herein.Wondrous and unexpectedly, when comparing with similar non-deuterated compound, these compounds significantly improve characteristic.The electron device comprising the active coating with compound described herein has the life-span of significantly improving.In addition, obtaining the life-span increases and high-quantum efficiency and excellent color saturation ratio.In addition, deuterated compound described herein has the aero tolerant larger than non-deuterated analogue.This for the preparation of material and purifying and can obtain larger processing tolerance limit when adopting described material to form electron device.

3. electron device

By have one or more comprise electroluminescent material described herein layer and the organic electronic devices that can benefit include but not limited to: (1) converts electric energy to device (the such as photodiode of radiation, light emitting diode indicator, or diode laser), (2) by device (the such as photodetector of electronic method detectable signal, photoconductive cell, photo-resistor, photoswitch, phototransistor, phototube, infrared eye), (3) radiation is converted to the device (such as photovoltaic device or solar cell) of electric energy, and (4) comprise the device (such as transistor or diode) of one or more electronic components with one or more organic semiconductor layer.

An example of organic electronic device structures is illustrated in Fig. 1.Device 100 has the first electric contacting layer and anode layer 110 and the second electric contacting layer and cathode layer 160 and the electroactive layer between them 140.Adjacent with anode can be hole injection layer 120.Adjacent with hole injection layer can be the hole transmission layer 130 comprising hole mobile material.Adjacent cathodes can be the electron transfer layer 150 comprising electron transport material.Device can use additional cavity input horizon or the hole transmission layer (not shown) of one or more next-door neighbour's anode 110, and/or is close to one or more additional electron input horizon or the electron transfer layer (not shown) of negative electrode 160.

Layer 120 to layer 150 is independent or be referred to as active coating.

In one embodiment, different layers has following thickness range: anode 110, be in one embodiment hole injection layer 120, be in one embodiment hole transmission layer 130, be in one embodiment electroactive layer 140, in one embodiment layer 150, be in one embodiment negative electrode 160, be in one embodiment electron-hole recombination region is arranged in described device, thus the emmission spectrum of device may by the impact of each layer of relative thickness.The desired ratio of each layer thickness will depend on the definite character of material therefor.

According to the application of device 100, electroactive layer 140 can for by the luminescent layer (as in photodiode or light-emitting electrochemical cell) of the voltage-activated applied, or responsive radiation energy and have or without the bias voltage applied under produce the material layer (as in photodetector) of signal.The example of photodetector comprises photoconductive cell, photo-resistor, photoswitch, phototransistor and phototube, and photovoltaic cell, these term descriptions are in Markus, John, " Electronics and NucleonicsDictionary ", 470th and 476 pages (McGraw-Hill, Inc.1966) in.

One or more novel deuterated materials as herein described can be present in one or more active coatings of device.Deuterated material can be used alone, and the deuterated combination of materials of inclusive NAND uses.

In some embodiments, new deuterated compound can be used as the hole mobile material in layer 130.In some embodiments, at least one extra play comprises novel deuterated material.In some embodiments, extra play is hole injection layer 120.In some embodiments, extra play is electroactive layer 140.In some embodiments, extra play is electron transfer layer 150.

In some embodiments, novel deuterated compound can be used as the substrate material of the electroactive adulterant material in electroactive layer 140.In some embodiments, emissive material is also deuterated.In some embodiments, at least one extra play comprises deuterated material.In some embodiments, extra play is hole injection layer 120.In some embodiments, extra play is hole transmission layer 130.In some embodiments, extra play is electron transfer layer 150.

In some embodiments, new deuterated compound can be used as the electron transport material in layer 150.In some embodiments, at least one extra play comprises deuterated material.In some embodiments, extra play is hole injection layer 120.In some embodiments, extra play is hole transmission layer 130.In some embodiments, extra play is electroactive layer 140.

In some embodiments, electron device has deuterated material, and described material is present in any combination of layer, and described layer is selected from hole injection layer, hole transmission layer, electroactive layer and electron transfer layer.

In some embodiments, device has extra play to contribute to processing or to improve function.Any or all these layers all can comprise deuterated material.In some embodiments, all organic assembly layers all comprise deuterated material.In some embodiments, all organic assembly layers are formed by deuterated material substantially.

a. electroactive layer

The novel deuterated compound of formula I can be used as the substrate material of the electroactive adulterant material in layer 140.Described compound can be used alone, or combinationally uses with the second substrate material.Novel deuterated compound can be used as the matrix of the doping agent launching any color.In some embodiments, novel deuterated compound is used as matrix that is green or blue emissive material.

In some embodiments, electroactive layer is made up of the substrate material and one or more electroactive adulterants with formula I substantially.In some embodiments, electroactive layer forms by having first substrate material of formula I, the second substrate material and electroactive adulterant substantially.The example of the second substrate material includes but not limited to phenanthrene, benzophenanthrene, phenanthroline, naphthalene, anthracene, quinoline, isoquinoline 99.9, quinoxaline, phenylpyridine, benzo two furans and metal quinoline complexes.

To exist with the amount of the doping agent in electroactive composition based on the gross weight of described composition generally in 3-20 % by weight scope; Be 5-15% in some embodiments by weight.When existence the second matrix, the ratio of first matrix and the second matrix with formula I is generally in 1:20 to 20:1 scope; In some embodiments in 5:15 to 15:5 scope.In some embodiments, first substrate material with formula I accounts at least 50% of total substrate material by weight; In some embodiments, at least 70% of total substrate material is accounted for by weight.

In some embodiments, the second substrate material has formula IV:

Wherein:

Ar ⁵identical or different and for aryl when occurring at every turn;

Q is selected from polyvalent aryl groups

and

T is selected from (CR ') _a, SiR ₂, S, SO ₂, PR, PO, PO ₂, BR and R;

R is identical or different and be selected from alkyl and aryl when occurring at every turn;

R ' is identical or different and be selected from H and alkyl when occurring at every turn;

A is the integer of 1-6; And

N is the integer of 0-6.

Although n can have the value of 0-6, should be appreciated that with regard to some Q groups, the value of n is subject to the restriction of the chemical property of group.In some embodiments, n is 0 or 1.

In some embodiments of formula IV, adjacent Ar group is joined together and forms ring as carbazole.In formula IV, " adjacent " refers to the N that Ar group bonding is identical.

In some embodiments, Ar ⁵independently selected from phenyl, xenyl, terphenyl, tetrad phenyl, naphthyl, phenanthryl, naphthylphenyl and phenanthryl phenyl.Also the analogue higher than quaterphenyl with 5-10 phenyl ring can be used.

In some embodiments, at least one Ar ⁵there is at least one substituting group.Substituting group can be there is, to change physics or the electrical characteristic of substrate material.In some embodiments, described substituting group improves the workability of substrate material.In some embodiments, described substituting group improves the solubleness of substrate material and/or improves the Tg of substrate material.In some embodiments, described substituting group is selected from D, alkyl, alkoxyl group, silyl, siloxanes and their combination.

In some embodiments, Q is the aryl with at least two fused rings.In some embodiments, Q has 3-5 the aromatic ring condensed.In some embodiments, Q is selected from phenanthrene, benzophenanthrene, phenanthroline, naphthalene, anthracene, quinoline and isoquinoline 99.9.

Electroluminescent dopant is can electroluminescent electroactive material, and its emission maximum is between 380 and 750nm.In some embodiments, doping agent red-emitting, green glow or blue light.

Electroluminescent (" the EL ") material that can be used as doping agent in electroactive layer includes but not limited to small molecules organic luminescent compounds, luminescent metal complexes, conjugated polymers and their mixture.The example of small molecules luminophor includes but not limited to pyrene, rubrene, tonka bean camphor, anthracene, thiadiazoles, their derivative and their mixture.The example of metal complexes includes but not limited to metal-chelating oxine ketone compound.The example of conjugated polymers includes but not limited to gather (phenylene ethylene), polyfluorene, poly-(spiral shell two fluorenes), Polythiophene, poly-(to phenylene), their multipolymer and their mixture.

The example of red-luminescing material includes but not limited to two indenos, fluoranthene and pyrene.The material glowed has been disclosed in the U.S. Patent application 2005-0158577 of such as United States Patent (USP) 6,875,524 and announcement.

The example of the material of green light includes but not limited to diaminoanthraquinone-and polyphenylacetylene polymkeric substance.The material of green light has been disclosed in the PCT patent application WO 2007/021117 such as announced.

The example of the material of blue light-emitting includes but not limited to diaryl anthracene, diamino diamino pyrene and polyfluorene polymkeric substance.The material of blue light-emitting has been disclosed in U.S. Patent application 2007-0292713 and 2007-0063638 of such as United States Patent (USP) 6,875,524 and announcement.

In some embodiments, described doping agent is organic compound.In some embodiments, doping agent is selected from non-polymeric spiral shell two fluorene compound and fluoranthene compound.

In some embodiments, described doping agent is the compound with aryl amine.In some embodiments, described electroactive adulterant is selected from following formula:

Wherein:

A identical or different and aromatic group for having 3-60 carbon atom when occurring at every turn;

Q ' is singly-bound or the aryl with 3-60 carbon atom;

P and q is the integer of 1-6 independently.

In some embodiments of above formula, in each formula, at least one A and Q ' has at least three condensed rings.In some embodiments, p and q equals 1.

In some embodiments, Q ' is styryl or styryl phenyl.

In some embodiments, Q ' is for having the aryl of at least two condensed rings.In some embodiments, Q be selected from naphthalene, anthracene, pyrene, tetracene, xanthene, , tonka bean camphor, rhodamine b extra 500, quinacridone and rubrene.

In some embodiments, A is selected from phenyl, xenyl, tolyl, naphthyl, naphthylphenyl and anthryl.

In some embodiments, described doping agent has following formula:

Wherein:

Y is identical or different when occurring at every turn, and for having the aromatic group of 3-60 carbon atom;

Q " be aryl, divalence triphenylamine residue or singly-bound.

In some embodiments, described doping agent is aryl acene.In some embodiments, described doping agent is asymmetrical aryl acene.

In some embodiments, described doping agent is the anthracene derivant with formula V:

Wherein:

R ¹⁰identical or different and be selected from D, alkyl, alkoxyl group and aryl, wherein adjacent R when occurring at every turn ¹⁰base can be joined together formation 5 yuan or 6 yuan of alicyclic rings;

Ar ⁶to Ar ⁹identical or different and be selected from aryl;

D when occurring at every turn identical or different and be 0 to 4 integer; And

In some embodiments, the doping agent of formula V is deuterated.In some embodiments, described aryl is deuterated aryl.In some embodiments, described alkyl is deuteroalkyl.In some embodiments, described doping agent is at least 50% deuterated; At least 60% deuterated in some embodiments; At least 70% deuterated in some embodiments; At least 80% deuterated in some embodiments; At least 90% deuterated in some embodiments; At least 100% deuterated in some embodiments.

In some embodiments, described doping agent has formula VI derivative:

Wherein:

R ¹¹identical or different and be selected from D, alkyl, alkoxy aryl, fluorine, cyano group, nitro ,-SO when occurring at every turn ₂r ¹², wherein R ¹²for alkyl or perfluoroalkyl, wherein adjacent R ¹¹base can be joined together formation 5 yuan or 6 yuan of alicyclic rings;

Ar ⁶to Ar ⁹identical or different and be selected from aryl; And

E when occurring at every turn identical or different and be 0 to 5 integer.

In some embodiments, the doping agent of formula VI is deuterated.In some embodiments, described aryl is deuterated.In some embodiments, described alkyl is deuterated.In some embodiments, described doping agent is at least 50% deuterated; At least 60% deuterated in some embodiments; At least 70% deuterated in some embodiments; At least 80% deuterated in some embodiments; At least 90% deuterated in some embodiments; At least 100% deuterated in some embodiments.

Some limiting examples of green dopant are Compound D 1 to D8 as follows.

D1：

D2：

D3：

D4：

D5：

D6：

D7：

D8：

Some limiting examples of blue dopant are Compound D 9 to D16 as follows.

D9：

D10：

D11：

D12：

D13：

D14：

D15：

D16：

In some embodiments, electroactive adulterant is selected from amino replacement with the anthracene that amino replaces.

In some embodiments, novel deuterated compound as herein described is electroluminescent material and exists as electroactive material.

b. other device layer

Other layer in device can be made up of the known any material for this type of layer.

Anode 110 is the especially effective electrodes for injecting positive charge carrier.It can be made up of the material such as comprising metal, hybrid metal, alloy, metal oxide or mixed metal oxide, or it can be conductive polymers, or their mixture.Suitable metal comprises the transition metal of metal in the 11st race's metal, 4-6 race and 8-10 race.If make anode have light transmission, then generally use the mixed metal oxide of the 12nd, 13 and 14 race's metals, such as tin indium oxide.Anode 110 also can comprise organic materials as polyaniline, as " Flexible light-emitting diodes made fromsoluble conducting polymer; " Nature the 357th volume, described in 477-479 page (on June 11st, 1992).At least one in described anode and negative electrode be at least ideally partially transparent to make produced light be observed.

Hole injection layer 120 comprises hole-injecting material, and one or more functions that can have in organic electronic devices include but not limited to, lower floor's planarization, transferring charge and/or charge injection characteristic, removal of contamination as oxygen or metal ion and other be conducive to or improve the aspect of organic electronic devices performance.Hole-injecting material can be polymkeric substance, oligopolymer or small molecules.They can vapor deposition or by liquid deposition, described liquid can be solution, dispersion, suspension, emulsion, colloidal mixture or other composition forms.

Hole injection layer can be formed by polymer materials, and as polyaniline (PANI) or polyethylene dioxythiophene (PEDOT), described polymeric material is mixed with protonic acid usually.Protonic acid can be such as poly-(styrene sulfonic acid), poly-(2-acrylamide-2-methyl isophthalic acid-propanesulfonic acid) etc.

Hole injection layer can comprise charge transfer compound etc., as copper phthalocyanine and tetrathiafulvalene-four cyano benzoquinones bismethane system (TTF-TCNQ).

In some embodiments, hole injection layer comprises at least one conductive polymers and at least one fluohnated acid polymer.This type of material is described in U.S. Patent application 2004-0102577,2004-0127637 and 2005/205860 of such as having announced.

In some embodiments, the novel deuterated compound of the contained I of hole transmission layer 130.The examples general of other hole mobile material of layer 130 is in " Kirk-OthmerEncyclopedia of Chemical Technology " the 4th edition the 18th volume 837-860 page in 1996 of such as Y.Wang.Hole transporting molecules and hole transport polymer all can use.Conventional hole transporting molecules is: N, N'-phenylbenzene-N, two (the 3-aminomethyl phenyl)-[1 of N'-, 1'-xenyl]-4, 4'-diamines (TPD), 1, two [(two-4-Tolylamino) phenyl] hexanaphthene (TAPC) of 1-, N, two (4-the aminomethyl phenyl)-N of N'-, two (the 4-ethylphenyl)-[1 of N'-, 1'-(3, 3'-dimethyl) xenyl]-4, 4'-diamines (ETPD), four-(3-aminomethyl phenyl)-N, N, N', N'-2, 5-phenylenediamine (PDA), a-phenyl-4-N, N-diphenylaminostyrene (TPS), p-(diethylamino) phenyl aldehyde diphenyl hydrazone (DEH), triphenylamine (TPA), two [4-(N, N-diethylamino)-2-aminomethyl phenyl] (4-aminomethyl phenyl) methane (MPMP), 1-phenyl-3-[p-(diethylamino) styryl]-5-[p-(diethylamino) phenyl] pyrazoline (PPR or DEASP), 1, 2-trans-bis-(9H-carbazole-9-base) tetramethylene (DCZB), N, N, N', N'-tetra-(4-aminomethyl phenyl)-(1, 1'-xenyl)-4, 4'-diamines (TTB), N, N '-bis-(1-naphthyl)-N, N '-bis--(phenyl) benzidine (α-NPB), and porphyrin compound is as copper phthalocyanine.Conventional hole transport polymer is polyvinyl carbazole, (phenyl methyl) polysilane and polyaniline.Also obtain hole transport polymer by being incorporated in polymkeric substance such as polystyrene and polycarbonate by hole transporting molecules such as above-mentioned those.In some cases, triarylamine polymkeric substance is used, especially San aryl An – fluorene copolymer.In some cases, described polymkeric substance and multipolymer are crosslinkable.The example of crosslinkable hole transport polymer is found in the PCT patent application WO2005/052027 of U.S. Patent application 2005-0184287 and the announcement of such as announcing.In some embodiments, hole transmission layer is mixed with p-type dopant, as tetrafluoro quino-bismethane and -3,4,9,10-tetracarboxylic-3,4,9,10-dicarboxylic anhydrides.

In some embodiments, the novel deuterated compound of the contained I of electron transfer layer 150.The example that can be used for other electron transport material in layer 150 comprises metalchelated oxine ketone compound, as three (oxine) aluminium (Alq ₃); Two (2-methyl-oxine)-(to phenyl phenol oxygen base) aluminium (III) (BAlQ); With azole compounds as 2-(4-xenyl)-5-(4-tert-butyl-phenyl)-1,3,4- diazole (PBD) and 3-(4-xenyl)-4-phenyl-5-(4-tert-butyl-phenyl)-1,2,4-triazoles (TAZ) and 1,3,5-tri-(phenyl-2-benzoglyoxaline) benzene (TPBI); Quinoxaline derivatives, (4-fluorophenyl) quinoxaline as two in 2,3-; Phenanthroline derivative, as 9,10-phenylbenzene phenanthroline (DPA) and 2,9-dimethyl-4,7-phenylbenzene-1,10-phenanthroline (DDPA); And their mixture.Electron transfer layer also can doped with n-type dopant, as Cs or other basic metal.Layer 150 not only can be used for promoting electric transmission, also can be used as buffer layer or limiting layer, to prevent the cancellation of the electron-hole pair at bed interface place.Preferably, this layer promotes electron mobility and reduces the cancellation of electron-hole pair.

Negative electrode 160 is for injecting electronics or the especially effective electrode of negative charge carrier.Negative electrode can be has any metal or nonmetal of work content lower than anode.Material for negative electrode can be selected from basic metal (such as lithium, caesium), the 2nd race's (alkaline earth) metal, the 12nd race's metal of the 1st race, comprises rare earth element and lanthanon and actinide elements.The material of such as aluminium, indium, calcium, barium, samarium and magnesium and their combination can be used.Containing organometallic compound, LiF, CsF and Li of Li or Cs ₂o also can be deposited between organic layer and cathode layer, to reduce operating voltage.

Known exist other layer in organic electronic devices.Such as, between anode 110 and hole injection layer 120, there is layer (not shown), to control the band-gap of positive charge amount and/or the providing layer injected, or be used as protective layer.Layer known in the art can be used, such as copper phthalocyanine, silicon oxynitride, fluorocarbon, silane or ultra-thin metal layer such as Pt.Alternatively, some or all of in anode layer 110, active coating 120,130,140 and 150 or cathode layer 160 can be surface treated, to increase charge carrier transmission efficiency.The selection of the material of each component layer is determined, to provide the device with high electroluminescent efficiency preferably by the positive charge in balance emitter layer and negative charge.

Should be appreciated that each functional layer can be made up of more than one layer.

Multiple technologies can be used to prepare described device, to be included on suitable substrate each layer of vapour deposition successively.Substrate such as glass, plastics and metal can be used.Conventional gas phase deposition technology such as thermal evaporation, chemical vapour deposition etc. can be used.Alternatively, conventional coating or printing technology can be used, include but not limited to spin coating, dip-coating, volume to volume technology, ink jet printing, silk screen printing, photogravure etc., apply organic layer by the solution in suitable solvent or dispersion.

The invention still further relates to electron device, described electron device comprises at least one and is positioned at active coating between two electric contacting layers, and at least one active coating in wherein said device comprises the anthracene compound with formula 1.In a lot of situation, device has additional hole transmission layer and electron transfer layer.

In order to obtain high-level efficiency LED, expect that the HOMO (highest occupied molecular orbital(HOMO)) of hole mobile material and the work content of anode match, and expect that the LUMO (lowest unoccupied molecular orbital) of electron transport material and the work content of negative electrode match.When selecting electronics and hole mobile material, the chemical compatibility of material and sublimation temperature are also important Considerations.

Should be appreciated that by other layer in optimised devices, the efficiency of the device obtained with anthracene compound as herein described can be improved further.Such as, more effective negative electrode such as Ca, Ba or LiF can be used.Also the shaping substrate and novel hole transport material that cause operating voltage reduction or quantum yield to increase can be used.Also can add extra play, thus customize the energy level of various layer and promote electroluminescent.

Compound of the present invention normally photoluminescence, and can be used in application in addition to oled, as oxygen sensitive indicators, and be used as the luminescent indicator in biological assay.

Embodiment

Following examples show some feature and advantage of the present invention.They are intended to illustrate the present invention, but are not restrictive.All percentage ratio all by weight, except as otherwise noted.

the synthesis of dopant material

(1) doping agent D6 is prepared as follows.

the synthesis of intermediate (a):

35g (300mM) 2-methyl-2-hexanol and 17.8g anthracene (100mM) to be joined in 50mL trifluoroacetic acid and to spend the night with nitrogen backflow.The quick dimmed one-tenth brown dissimilar materials of solution.Be cooled to room temperature, evaporate under nitrogen flowing and be extracted in methylene dichloride.Be separated and use dry over magnesium sulfate, and being evaporated to dry.Reclaim yellow solution by silica column hexane extraction gained solid.Flash to goldenrod oiliness thing and by Slow cooling recrystallize from acetone/methanol, and from methyl alcohol recrystallize.NMR analysis confirmation structure.

the synthesis of intermediate (b):

6.0g (16mM) intermediate (a) (pure 2,6 isomer) to be joined in 100mL ethylene dichloride and to drip 2.10mL bromine (40mM), at room temperature stirring 4 hours simultaneously.To be injected in water and to add S-WAT to consume remaining bromine.Then to be extracted in methylene dichloride and to use dry over magnesium sulfate.Resulting materials by alumina column wash-out with dichloromethane eluant, then evaporates and adds methyl alcohol to precipitate faint yellow solid, yield ~ 7.2g.

the synthesis of intermediate (c):

18.9g (155mM) boric acid is joined in the 25g bromo carbazole (77.7mM) in glove box.1.0g Pd2DBA3 (1.0mM), 0.5g P (t-Bu) 3 (2.1mM) and 20g sodium carbonate (200mM) are joined wherein, and they are all dissolved in 200mL bis- in alkane and 50mL water.In glove box in cover by its mixing and stir at 50 DEG C 1 little then under a nitrogen gentle heat up (minimum varistor setting) spend the night.Solution becomes intense violet color immediately, and when reaching ~ 50 DEG C time it becomes Vandyke brown.Join in brown solution by water outside glove box, it isolates oiliness buffy layer.Add DCM and be separated organic layer.Filtrate to produce light orange solution, produces white solid by dried over mgso after it evaporates.Be evaporated to low volume and after adding hexane, filtering white solid.Fully wash solid until washings is colourless with methyl alcohol, then blot to produce 21g white solid with ether rinsing.Structure is analyzed by NMR and is confirmed.

the synthesis of intermediate (d):

By 0.4g Pd2DBA3,0.4g 1, two (diphenylphosphine) ferrocene (DPPF) of 1'-and 4.3g sodium tert-butoxide mix and are dissolved in the 200mL dimethylbenzene in glove box.Stir 15 minutes, then add the 3-iodo-bromobenzene of 25g.Stir 15 minutes, then add 10g carbazole and bring mixture into backflow.Air compressor is used to carry out backflow o/n.Solution becomes intense violet color/brown immediately, but when arriving ~ 80 DEG C, it becomes chocolate and becomes muddy.After heated overnight at reflux, described solution becomes Vandyke brown and becomes clarification.In the evaporation of glove box external application nitrogen gas stream, to be then dissolved in DCM and by silicon-dioxide and alkali alumina (stacked by Suo's method) bed DCM/ hexane extraction (Suo's method (soxhlet)).Collect dark orange solution and be evaporated to dry.Retain darkorange oil.With this oil of methanol wash, then dissolve with ether and use methyl alcohol redeposition.Tenne oil is evaporated to low volume in ether, and then add acetone/methanol to precipitate pale solid, yield is ~ 6.4g.This product of collecting by filtration, with a small amount of washing with acetone and sucking-off is dry.Structure is analyzed by NMR and is confirmed.

the synthesis of intermediate (e):

1.7g amine (0.01M) is added to 4.8g intermediate (d) (0.01M) in glove box.To add in 0.10g Pd2DBA3 (0.11mM), 0.045g P (t-Bu) 3 (0.22mM) and 1.1g t-BuONa to this mixture and they are all dissolved in 25mL toluene.When adding catalystic material, release the heat of trace.By in its glove box in cover 80 DEG C of heated under nitrogen 2 hours, it becomes deep brown solution (dense).After cooling, by solution described in the beta-alumina chromatography process with DCM wash-out.Collect the deep yellow solution with brilliant violet look/blue light photoluminescence.It is evaporated in nitrogen low volume to form the orange oil of thickness, described oil is solidified into deep yellow vitreum when cooled.It stirred in methyl alcohol/DCM and it is crystallized into light yellow/white solid, yield is ~ 5g.Structure is analyzed by NMR and is confirmed.

the synthesis of doping agent D6:

2.81g (5mM) intermediate (e) and 0.5g t-BuONa (5mM) and 50mL toluene is added to 1.32g intermediate (b) (2.5mM) in glove box.The 0.2g Pd2DBA3 (0.2mM) be dissolved in 10mL toluene, 0.08g P (t-Bu) 3 (0.4mM) are joined in this mixture.After mixing, the slow heat release of described solution and become tawny.Mixed in the glove box be incorporated in cover ~ 100 DEG C of heated under nitrogen 1 hour.Solution is intense violet color immediately, but reaching ~ 80 DEG C time, it is dark yellow-green, has obvious green emitting.Arrange lower stirring at minimum varistor to spend the night.After cooling, from glove box, remove described material and filtered by acidic alumina filter plug, using toluene and methylene dichloride to carry out wash-out.Dark orange solution is evaporated to low volume.Make it by silica column (using 60:40 toluene: hexane).Be collected in orange solution TLC showing blue leading sunspot.It is dissolved in hexane again: also by acidic alumina in toluene (80:20), with the hexane/toluene wash-out of 80%.Discard blue bands (anthracene of anthracene and monoamine) faster.Yellow for gained band is evaporated to low volume and crystallizes out from toluene/acetone/methanol.With methyl alcohol and this crystallization of hexanes wash and sucking-off is dry with the crystallite yellow powder of the flowing that gains freedom.Structure is analyzed by NMR and is confirmed.

(2) doping agent D12, N6, N12-pair (2,4-3,5-dimethylphenyl)-N6, N12-pair (4 "-sec.-propyl terphenyl-4-base) -6,12-diamines are prepared as follows.

In loft drier, by 6,12-dibromo (0.54g, 1.38mmol), N-(2,4-3,5-dimethylphenyl)-N-(4'-sec.-propyl terphenyl-4-base) amine (1.11g, 2.82mmol), three (tert-butyl) phosphine (0.028g, 0.14mmol) He three (dibenzalacetone) two palladium (0) (0.063g, 0.069mmol) mix in round-bottomed flask and be dissolved in the dry toluene of 20mL.By described solution stirring one minute, add the dry toluene of uncle-sodium butylate (0.29g, 3.03mmol) and 10mL subsequently.Add heating jacket and reaction is heated to 60 DEG C and continue 3 days.Then reaction mixture be cooled to room temperature and filtered by the silica gel of 1 inch and the diatomite filter plug of an inch, washing with toluene (500mL).Yellow solid is obtained after under reduced pressure removing volatile matter.Used hexane solution (0% to the 40%) gradient elution of chloroform by silica gel column chromatography, be further purified crude product.The product that 0.540g (40%) is yellow solid is obtained with methylene dichloride and recrystallized from acetonitrile. ¹h NMR (CDCl ₃) consistent with structure.

(3) doping agent D13, two (2,4-3,5-dimethylphenyl)-N6, N12-couple of N6, N12-(4 "-uncle-octyl group terphenyl-4-base) -6,12-diamines, use the method being similar to D12 synthesis to be prepared.

comparative Example A An

This example show the preparation of non-deuterated compound (comparative compound A).

This compound can be prepared according to following scheme:

the synthesis of compound 2:

Mechanical stirrer, dropping funnel, thermometer and N be equipped with ₂in the 3L flask of bubbler, add the 1.5L anhydrous methylene chloride solution of 54g (275.2mmol) anthrone.Flask is cooled in ice bath, and via dropping funnel, in 1.5hr, adds 83.7mL (559.7mmol) 1,8-diazabicylo [5.4.0] 11 carbon-7-alkene (" DBU ").Described solution becomes orange, becomes opaque, then becomes scarlet.In about 1.5 hours, in the solution still cooled, add 58mL (345.0mmol) trifluoromethanesulfanhydride anhydride via syringe, keep solution temperature lower than 5 DEG C.Make reaction at room temperature carry out 3 hours, add the trifluoromethanesulfanhydride anhydride that 1mL is additional afterwards, and at room temperature Keep agitation 30 minutes.Slowly add 500mL water, and layering.By 3 × 200mL methylene dichloride (" DCM ") aqueous layer extracted, make the organism of mixing dry over magnesium sulfate, filter, and concentrate to obtain red oil by rotary evaporation.At silica gel Column chromatography, then from hexane crystallization to obtain the chocolate brown powder of 43.1g (43%).

the synthesis of compound 3:

To fill nitrogen glove box in be equipped with in 200mL kirschner (Kjeldahl) reaction flask of magnetic stir bar, add anthracene-9-base fluoroform sulphonate (6.0g, 18.40mmol), naphthalene-2-ylboronic acid (3.78g, 22.1mmol), potassiumphosphate (17.50g, 82.0mmol), acid chloride (II) (0.41g, 1.8mmol), tricyclohexyl phosphine (0.52g, 1.8mmol) and THF (100mL).After taking out from loft drier, use nitrogen purging reaction mixture, and add de aerated water (50mL) by syringe.Then add condenser, and reaction backflow is spent the night.Reaction is monitored by TLC.After completing, reaction mixture is cooled to room temperature.Be separated organic layer, and use DCM aqueous layer extracted.Merge organic moiety, use salt water washing, and use dried over mgso.Decompression removes solvent.With acetone and hexanes wash gained solid, and filter.Obtaining 4.03g (72%) product by silica gel purified by column chromatography, is light yellow crystalline material.

the synthesis of compound 4:

11.17g (36.7mmol) 9-(naphthalene-2-base) anthracene is suspended in 100mL DCM.Add 6.86g (38.5mmol) N-bromosuccinimide, and stir the mixture under the illumination of 100W lamp.Form yellow clear solution, then precipitate.Reaction is monitored by TLC.After 1.5h, by reaction mixture partial concentration to remove methylene dichloride, then from acetonitrile, crystallization obtains 12.2g light yellow crystal (87%).

the synthesis of compound 7:

To fill nitrogen glove box in be equipped with in the 500mL round-bottomed flask of stirring rod, add naphthalene-1-base-1-boric acid (14.2g, 82.6mmol), the bromo-2-iodobenzene of 1-(25.8g, 91.2mmol), tetrakis triphenylphosphine palladium (0) (1.2g, 1.4mmol), sodium carbonate (25.4g, 240mmol) and toluene (120mL).After taking out from loft drier, use nitrogen purging reaction mixture, and add de aerated water (120mL) by syringe.Then reaction flask is made to be equipped with condenser, and by reaction backflow 15 hours.Reaction is monitored by TLC.Reaction mixture is cooled to room temperature.Be separated organic layer, and use DCM aqueous layer extracted.Mixing organic constituent, and the extraction solvent that reduces pressure is to obtain yellow oil.Use silica gel, by column chromatography purification, obtain the oil (58%) of 13.6g clarification.

the synthesis of compound 6:

To being equipped with magnetic stir bar, connecting in the reflux exchanger of nitrogen tube and 1 liter of flask of oil bath, add 4-bromophenyl-1-naphthalene (28.4g, 10.0mmol), connection boric acid pinacol ester (40.8g, 16.0mmol), Pd (dppf) ₂cl ₂(1.64g, 2.0mmol), potassium acetate (19.7g, 200mmol) and DMSO (350mL).With nitrogen by mixture bubbling 15 minutes, then add Pd (dppf) ₂cl ₂(1.64g, 0.002mol).During process, described mixture becomes Vandyke brown gradually.Under a nitrogen, reaction is made to stir 18h under 120 DEG C (oil bath).After cooling, mixture is poured in frozen water, and extract with chloroform (3x).Organic layer is washed with water (3x) and saturated brine (1x), and dry with MgSO4.To filter and after removing solvent, on a silica gel column via chromatography purification resistates.The part comprising product is merged, and by rotary evaporation except desolventizing.From hexane/chloroform, crystallization goes out gained white solid, and dry to obtain product as laminar in white crystals (15.0g, yield 45%) in the vacuum oven of 40 DEG C.1H and 13C-NMR wave spectrum meets expected structure.

the synthesis of comparative compound A

To in the 250mL flask in glove box, add (2.00g, 5.23mmol), 4,4,5,5-tetramethyl--2-(4-(naphthalene-4-base) phenyl)-1,3,2-bis-mixes oxygen pentaborane (1.90g, 5.74mmol), three (dibenzalacetone) two palladium (0) (0.24g, 0.26mmol) and toluene (50mL).From dry case operator casing, take out reaction flask, and be equipped with condenser and nitrogen inlet.Degassed aqueous sodium carbonate (2M, 20mL) is added by syringe.By reaction stir, and at 90 DEG C heated overnight.By HPLC monitoring reaction.After being cooled to room temperature, isolate organic layer.With DCM, water layer is washed twice, and the organic layer concentrating merging via rotary evaporation is to obtain grey powder.By filtration, hexane precipitation and silica gel purified by column chromatography on neutral alumina to obtain the white powder (86%) of 2.28g.

As described in the U.S. Patent application 2008-0138655 of announcement, be further purified product, make its HPLC purity be at least 99.9%, and impurity absorbancy be not more than 0.01.

Compd A ¹h NMR wave spectrum is shown in Figure 2.

embodiment 1

This example show the preparation of the compound (compound H 14) with formula I.

Under nitrogen atmosphere, by AlCl ₃(0.48g, 3.6mmol) joins full deuterium benzene or the benzene-D6 (C of the comparative compound A (5g, 9.87mmol) deriving from Comparative Example A An ₆d ₆) in (100mL) solution.Gained mixture is at room temperature stirred six hours, adds D afterwards ₂o (50mL).Layering, then uses CH2Cl ₂(2 × 30mL) washs water layer.The dry organic layer merged over magnesium sulfate, and remove volatile matter by rotary evaporation.Via column chromatography purification crude product.Obtain the deuterated product H1 (x+y+n+m=21-23) (4.5g) of white powder.

As described in the U.S. Patent application 2008-0138655 of announcement, be further purified product, make its HPLC purity be at least 99.9%, and impurity absorbancy be not more than 0.01.Determine that described material has the purity identical with comparative compound A above.

¹h NMR (CD ₂cl ₂) and ASAP-MS be shown in Fig. 3 and Fig. 4.Structure is shown under described compound has:

Wherein " D/H " illustrates the possibility that this atom site place H or D is roughly equal.Structure by ¹hNMR, ¹³c NMR, ²d NMR and ¹h- ¹³c HSQC (the single quantum people having the same aspiration and interest of heteronuclear) confirms.

embodiment 2 and 3 and Comparative Examples B and C

These embodiments illustrate manufacture and the performance of the device with blue emitter.

Device has having structure on the glass substrate:

Anode=tin indium oxide (ITO): 50nm

Hole injection layer=HIJ1 (50nm), it is the N-shaped aqueous dispersion of the fluorinated sulfonic of conductive polymers and polymerization.This type of substance description in U.S. Patent application US2004/0102577, the US 2004/0127637 such as announced, US 2005/0205860 and announce PCT patent application WO 2009/018009 in.

Hole transmission layer=polymer P 1, it is noncrosslinking arylamine polymer (20nm)

Electroactive layer=13:1 matrix: doping agent (40nm), as shown in table 1

Electron transfer layer=ET1, it is metal quinoline (10nm)

Negative electrode=CsF/Al (1.0/100nm)

table 1: device electroactive layer

Embodiment	Matrix	Doping agent
			Comparative Examples B-1	Comparative compound A	D12
Comparative Examples B-2	Comparative compound A	D12
			Comparative Examples B-3	Comparative compound A	D12
Comparative Examples B-4	Comparative compound A	D12
			Embodiment 2-1	H14	D12
Embodiment 2-2	H14	D12
			Embodiment 2-3	H14	D12
Embodiment 2-4	H14	D12
			Comparing embodiment C-1	Comparative compound A	D13
Comparing embodiment C-2	Comparative compound A	D13
			Embodiment 3-1	H14	D13
Embodiment 3-2	H14	D13

OLED is manufactured by the combination of solution-treated and thermal evaporation techniques.Use derives from ThinFilm Devices, patterning indium tin oxide (ITO) coated glass substrate of Inc..These ito substrates are based on Corning 1737 glass being coated with ITO, and it has the sheet resistance of 30 ohm-sq and the transmittance of 80%.Ultrasonic clean patterning ito substrate in aqueous cleaning agent solution also uses distilled water rinsing.Ultrasonic clean patterning ITO in acetone is subsequently dry in nitrogen gas stream by isopropyl alcohol.

Be about to manufacture before device, with the patterning ito substrate process 10 minute of UV ozone by cleaning.After the cooling period immediately ITO on the surface spin coating HIJ1 aqueous dispersion and heating to remove solvent.After cooling, substrate described in the solution spin coating then using hole mobile material, then heats to remove solvent.After cooling, with substrate described in the spin coating of emission layer solution, then heat to remove solvent.Described substrate mask is hidden and is positioned in vacuum chamber.By thermal evaporation deposition electron transfer layer, then deposit CsF layer.Then change mask under vacuo and carry out deposited aluminum layer by thermal evaporation.Room is vented, and uses glass capping, siccative and ultraviolet curable epoxide to encapsulate described device.

The feature of OLED sample is (1) current-voltage (I-V) curve measuring them, and (2) are relative to the electroluminescent radiation of voltage, and (3) are relative to the electroluminescent spectrum of voltage.All three tests are carried out and by computer control all simultaneously.By by the electroluminescent radiation of LED divided by the electric current needed for operative component, determine the current efficiency of device under a certain voltage.Unit is cd/A.Power efficiency is that current efficiency is multiplied by π, divided by operating voltage.Unit is lm/W.Device data provides in table 2.

table 2: device performance

* all data all obtain under 1000 nits, CE=current efficiency; CIEx and CIEy is x and the y color coordinates according to C.I.E. colourity (Commission Internationale de L'Eclairage, 1931).Former T50 is that under specified life test luminous, device reaches time of initial luminous half, by hour in units of.Expection T50 is under 1000 nits, uses the predicted life of speedup factor 1.7.

Can see, use deuterated matrix of the present invention to drastically increase the life-span of device, maintain other device property simultaneously.When using casting charge D12, the comparator device with non-deuterated matrix (Comparative Examples B-1 is to B-4) has 10, the average expectancy T50 of 649 hours.Adopt deuterated analogs matrix H14 (embodiment 2-1 to 2-4), device has 20, the average expectancy T50 of 379 hours.When using casting charge D13, comparator device (C-1 and C-2) has 15, the average expectancy T50 of 637 hours.Adopt deuterated analogs matrix H14 (3-1 and 3-2), average expectancy T50 is 24,807 hours.

embodiment 4

This example show the preparation of some deuterated midbody compound, described deuterated midbody compound can be used for synthesizing the compound of the formula I with controlled deuterated degree.

intermediate 4A:

Disposablely in CCl4 (500mL) solution of anthracene-d10 (18.8g, 0.10mole) add anhydrous cupric bromide (45g, 0.202mole).Reaction mixture is stirred and reflux 12 hours.The cupric chloride of brown is transformed into the cuprous bromide of white gradually, and discharges hydrogen bromide (being connected to alkaline body lotion resorber) gradually.At the end of reaction, remove cuprous bromide by filtering, and make carbon tetrachloride solution pass through to fill the 35mm chromatographic column of 200g aluminum oxide.The CH2Cl2 wash-out of described post 200mL.Steam dry mixed elutriant, obtain 24g.The 9-bromine anthracene-d9 of 87% is lemon yellow solid.It comprises raw material impurity (~ 2%) and two bromo-by products (~ 2%).This material, without the need to purifying, is directly used in further linked reaction.Intermediate described in hexane or hexanaphthene recrystallization purifying can be used to obtain pure compound.

intermediate 4B:

At room temperature, in d5-dibromobenzene (MW 162,100g, 0.617mol), add the 50%H of 93mL ₂sO ₄with the mixed solvent of the HOAc of 494mL.Then the I of powdered is added ₂(MW254,61.7g, 0.243mol), then adds the NaIO of powdered ₄(MW 214,26.4g, 0.123mol).By mixture vigorous stirring, and heat 4 hours at 90 DEG C.Deep purple solution becomes the light orange mixture comprising superfine white precipitate.Mixture is made to be cooled to ambient temperature overnight.During this period, product precipitates into microcrystal.Mixture is filtered and uses 10% Sulfothiorine Na ₂s ₂o ₃(50mL) wash twice, then wash with water.It is dissolved in CH ₂cl ₂in, and carry out rapid column chromatography.Obtain 124g (70%) Light yellow crystals material.Use CH ₂cl ₂(50mL × 3) extraction filtrate, and with 10% Sulfothiorine Na ₂s ₂o ₃(50mL) CH will merged ₂cl ₂wash twice, then wash with water.Dry and evaporating solvent also after implementing rapid column chromatography, obtains again the pure products (17.5%) of 32g.156g (yield 88%) altogether.

intermediate 4C:

At 10-15 DEG C, to CH2Cl2 (800mL): H20 (80mL) solution and Hydrogen bromide (MW:81, d=1.49, the 100g of the naphthalene-d8 that stirred (MW 136,68g, 0.5mole); 49% aqueous solution of 67.5mL; 0.6mol), in 30 minutes, slowly add hydrogen peroxide (FW:34, d=1.1g/mL, 56g; 30% aqueous solution of 51.5mL; 0.5mol).Make reaction at room temperature keep 40 hours, monitor its process by TLC simultaneously.After completing bromination, decompression removes solvent and washs crude product twice with 10% Sulfothiorine Na2S2O3 (50mL), then washes with water.Purified product is separated at silica gel (100 – 200 order) upper hexane (100%) by rapid column chromatography, and then distill the 1-bromo-naphthenic hydrocarbon-d7 producing purifying, it is the clarified liq of 85g, and productive rate is about 80%.

intermediate 4D:

With nitrogen by 1-bromonaphthalene-d7 (21.4g, 0.10mol), two (valeryl) two boron (38g, 0.15mol), the anhydrous Isosorbide-5-Nitrae of the 300mL of potassium acetate (19.6g, 0.20mol) mixture-dioxane solution bubbling 15 minutes.Then Pd (dppf) is added ₂cl ₂-CH ₂cl ₂(1.63g, 0.002mol).Mixture is heated 18 hours under 100 DEG C (oil bath).After cooling, by mixture by diatomite filtration, be then concentrated into 50mL, then add water, and extract three times (100mL × 3) with ether.Wash organic layer with water (3x) and salt solution (1x), use MgSO ₄drying, filters and concentrates.Resistates is delivered to silicagel column (elutriant: hexane) to obtain white liquid, it has naphthalene and diborate by product.Therefore implement to be further purified the clarified liq obtaining thickness by distillation.Output 21g, 82%.

intermediate 4E:

To in toluene (300mL) solution of 1-bromo-4-iodobenzene-D4 (10.95g, 0.0382mole) and 1-naphthalene boronic acids ester-D7 (10.0g, 0.0383mole) mixture, add Na ₂cO ₃(12.6g, 0.12mole) and H2O (50mL), (3g).With nitrogen by mixture bubbling 15 minutes.Then Pd (PPh3) 4 (0.90g, 2%) is added.Mixture is refluxed 12 hours under nitrogen atmosphere.Separate reacted mixture after cooling, wash organic layer with water and be separated, dry and concentrated.Add silicon-dioxide and concentrate.After evaporate residual solvent, use hexane as elutriant, make it experience rapid column chromatography to obtain crude product.(collecting at 135-140 DEG C/100mtorr) is further purified to obtain the thick liquid (8.76g, yield 78%) of clarification by distillation enforcement.

intermediate 4F:

With nitrogen by 1-bromophenyl-4-naphthalene-d11 (22g, 0.075mole), two (valeryl) two boron (23g, 0.090mol), the anhydrous Isosorbide-5-Nitrae of the 200ml of potassium acetate (22g, 0.224mol)-dioxane solution bubbling 15 minutes.Then Pd (dppf) is added ₂cl ₂cH ₂cl ₂(1.20g, 0.00147mol).Mixture is heated 18 hours under 100 DEG C (oil bath).After cooling, by mixture by diatomite filtration, be then concentrated into 50mL, then add water, and extract three times (100mL × 3) with ether.Wash organic layer with water (3x) and salt solution (1x), use MgSO ₄drying, filters and concentrates.Resistates is delivered to silicagel column (elutriant: hexane) to obtain white liquid, it has naphthalene and diborate by product.Therefore using hexane as elutriant, being again further purified by implementing silica gel column chromatography.Evaporating solvent is also concentrated into about 80mL hexane and after forming White crystal product, it is filtered and obtain 20.1g product, yield 81%.

intermediate 4G:

To in toluene (500mL) solution of intermediate 4A (18.2g) and intermediate 4F boric acid ester (25.5g), add Na ₂cO ₃(31.8g) and H ₂o (120mL), (5g).With nitrogen by mixture bubbling 15 minutes.Then Pd (PPh3) 4 (1.5g, 1.3%) is added.Mixture is refluxed 12 hours under nitrogen atmosphere.After cooling, reaction mixture is separated, washes organic layer with water, and be separated, dry and be concentrated into ~ 50mL, and to pour in MeOH.Filter out solid to obtain yellowish crude product (~ 28.0g).With water, HCl (10%), water and methanol wash crude product.It is dissolved in CHCl again ₃in, dry with MgSO4, filter.Silica gel is added in filtrate, concentrated and dry, only use hexane as elutriant, at the upper purifying of silica gel (0.5Kg) (50L hexane passes through altogether---only recycle 5L hexane) to obtain white product.

intermediate 4H:

To 9-(4-naphthalene-1-base) phenylanthracene-D20 intermediate 4G (MW 400.6 of ice bath cooling, 20.3g, in CH2Cl2 (450mL) solution 0.05mole), slowly add (20 minutes) and be dissolved in bromine (MW 160 in CH2Cl2 (150mL), 8.0g, 0.05mole).Reaction occurs immediately, and color becomes light yellow.Add Na2S2O3 solution (2M, 100mL) and stir 15 minutes.Then separate aqueous layer, and wash organic phase with Na2CO3 (10%, 50mL), then wash three times with water.Be separated, then use MgSO4 dry, then evaporating solvent is until remaining 100mL.Pour in methyl alcohol (200mL) also to filter and obtain 23.3g pure compound (MW 478.5, yield 97.5%).HPLC shows purity 100%.

intermediate 4I:

By naphthalene-D8 (13.6g, 0.10mole), two (valeryl) two boron (27.93g, 0.11mole), two (1,5-cyclooctadiene) two iridium (I) [Ir (OMe) COD] of two-μ-methoxyl group ₂(1.35g, 2mmole, 2%) and 4, the mixture of 4 '-di-t-butyl-2,2 '-dipyridyl (1.1g, 4mmole) joins in hexanaphthene (200mL).With nitrogen by degassed for mixture 15 minutes, then heated overnight (deep brown solution) under 85 DEG C (oil bath).Mixture is made to pass through silicagel pad.Collect component, and be concentrated into dry.Add hexane.Filtrate is concentrated (liquid) and passes through silicagel column, with hexane rinsing to obtain clarified liq, it is impure, and again by silica column purification, use hexane rinsing, then distill to obtain pure white viscous liquid under 135 DEG C/100mmtorr, and its solidification is to obtain white powder (18.5g, yield 70%).

intermediate 4J:

In round-bottomed flask (100mL), add 9-bromine anthracene-d9 (MW 266,2.66g, 0.01mole), naphthalene-2-boric acid (MW 172,1.72g, 0.01mol), then add toluene (30mL).With nitrogen purging mixture 10 minutes.Then the Na in water-soluble (10mL) is added ₂cO ₃(2M, 10mL (2.12g), 0.02mole).Use N ₂mixture is continued purging 10 minutes.Add the Pd (PPh of catalytic amount ₃) ₄(0.25g, 2.5%, 0.025mmol).Mixture backflow is spent the night.Isolate organic layer, then pour in methyl alcohol, by water, HCl (10%), water and methanol wash.Result obtains 2.6g pure white product.(yield: 83%).

intermediate 4K:

CH2Cl2 (50mL) solution of (2.6g, 0.0083mole) 9-2 '-Nai Ji En – d9 intermediate 4J is added drop-wise in CH2Cl2 (5mL) solution of bromine (1.33g, 0.0083mole), and stirs 30 minutes.Add Na2S2O3 solution (2M, 10mL) and stir 15 minutes.Then isolate water layer, and by organic phase Na2CO3 (10%, 10mL) washing, then wash three times with water.Be separated, then use MgSO4 dry, then evaporating solvent is until remaining 20mL.Pour in methyl alcohol (100mL), and filter acquisition pure compound (3.1g, yield 96%).

intermediate 4L:

To 9-bromine anthracene-D9 intermediate 4K (2.66g, 0.01mole) and 4,4,5,5-tetramethyl--2-(naphthalene-2-base-D7)-1,3,2-bis-mix oxygen pentaborane (2.7g, 0.011mole) mixture toluene (~ 60mL) in, add Na ₂cO ₃(4.0g, 0.04mole) and H2O (20mL).With nitrogen by mixture bubbling 15 minutes.Then Pd (PPh is added ₃) ₄(0.20g, 2.0%).Under nitrogen atmosphere mixture is refluxed 18 hours (yellow solid).After reaction mixture, it is poured in MeOH (200mL).Filter out solid to obtain yellowish crude product.By crude product with water and methanol wash.It is dissolved in CHCl again ₃in, dry with MgSO4, filter.In filtrate, add silica gel, concentrated and dry, use hexane as elutriant, at purified over silica gel to obtain pure products (3.0g, yield 94%).

intermediate 4M:

CH2Cl2 (50mL) solution of 9-2 '-naphthyl anthracene-d9 intermediate 4L (2.8g, 0.00875mole) is added drop-wise in CH2Cl2 (5mL) solution of bromine (1.4g, 0.00875mole), and stirs 30 minutes.Then add Na2S2O3 solution (2M, 10mL) and mixture is stirred 15 minutes.Then isolate water layer, and by organic phase Na2CO3 (10%, 10mL) washing, then wash three times with water.Be separated, then use MgSO4 dry, evaporating solvent is until remaining 20mL afterwards.Pour in methyl alcohol (100mL), and filter acquisition pure compound (3.3g, yield 95%).

embodiment 5

This example show and carry out synthetic compound H8 by intermediate 4H and intermediate 4I.

To the bromo-10-of 9-(4-naphthalene-1-base) phenylanthracene-D19 intermediate 4H (14.84g, 0.031mole) with 2-naphthalene boronic acids ester intermediate 4I (10.0g, in DME (350mL) solution of 0.038mole) mixture, add K ₂cO ₃(12.8g, 0.093mole) and H2O (40mL).With nitrogen by mixture bubbling 15 minutes.Then Pd (PPh3) 4 (0.45g, 1.3%) is added.Mixture is refluxed 12 hours under nitrogen atmosphere.After cooling, reaction mixture is concentrated into ~ 150mL, and pours in MeOH.Filter out solid to obtain light yellow raw material.By crude product with water and methanol wash.It is dissolved in CHCl again ₃in, dry with MgSO4, filter.Silica gel is added in filtrate, concentrated and dry, use hexane: chloroform (3:1), as elutriant, goes up purifying to obtain white product at silica gel (0.5Kg).(15g, yield 91%)

embodiment 6

This example show and carry out synthetic compound H11 by intermediate 4K.

The bromo-10-of 9-(naphthalene-2-base) anthracene, intermediate 4K (1.96g is added in round-bottomed flask (100mL), 0.05mol), 4-(naphthalene-1-base) phenylo boric acid (1.49g, 0.06mol), toluene (30mL) is then added.With nitrogen, mixture is purged 10 minutes.Then the Na in water-soluble (8mL) is added ₂cO ₃(1.90g, 0.018mole), then adds (1mL).With nitrogen, mixture is continued purging 10 minutes.Add the Pd (PPh3) 4 (116mg) of catalytic amount.Mixture backflow is spent the night.After water phase separated, organic layer is poured in methyl alcohol (100mL), collect white solid.It being filtered, and uses chloroform: hexane (1:3), being further purified to obtain pure white compound (2.30g, yield 90%) by implementing silica gel column chromatography.

embodiment 7

This example show and carry out synthetic compound H9 by intermediate 4K and intermediate 4F.

The bromo-10-of 9-(naphthalene-2-base) anthracene D8, intermediate 4K (0.70g is added in round-bottomed flask (100mL), 0.0018mol), 4-(naphthalene-1-base) phenylo boric acid D11, intermediate 4F (0.7g, 0.002mol), toluene (10mL) is then added.With nitrogen, mixture is purged 10 minutes.Then the Na in water-soluble (3mL) is added ₂cO ₃(0.64g, 0.006 mole), then adds (0.1mL).With nitrogen, mixture is continued purging 10 minutes.Add the Pd (PPh3) 4 (0.10g) of catalytic amount.Mixture backflow is spent the night.After water phase separated, organic layer is poured in methyl alcohol (100mL) to collect white solid.It being filtered, and uses chloroform: hexane (1:3), being further purified to obtain pure white compound (0.90g, yield 95%) by implementing silica gel column chromatography.

Prepare compound H 10, H12 and H13 in a similar fashion.

embodiment 8-10 and comparing embodiment D and E

These embodiments illustrate manufacture and the performance of the device with blue emitter.

Device has having structure on the glass substrate:

Anode=ITO (50nm)

Hole injection layer=HIJ1 (50nm).

Hole transmission layer=polymer P 1 (20nm)

Electroactive layer=13:1 matrix: doping agent (40nm), as shown in table 3

Electron transfer layer=ET1 (10nm)

Negative electrode=CsF/Al (1.0/100nm)

table 3: device electroactive layer

Embodiment	Matrix	D13
			Comparing embodiment D-1	Comparative compound A	D13
Comparing embodiment D-2	Comparative compound A	D13
			Embodiment 8-1	H11	D13
Embodiment 8-2	H11	D13
			Embodiment 9-1	H8	D13
Embodiment 9-2	H8	D13
			Comparing embodiment E-1	Comparative compound A	D13
Comparing embodiment E-2	Comparative compound A	D13
			Embodiment 10-1	H10	D13
Embodiment 10-2	H10	D13

OLED is manufactured by the combination of solution-treated and thermal evaporation techniques.Use derives from ThinFilm Devices, patterning indium tin oxide (ITO) coated glass substrate of Inc..These ito substrates are based on Corning 1737 glass being coated with ITO, and it has the sheet resistance of 30 ohm-sq and the transmittance of 80%.Ultrasonic clean patterning ito substrate in aqueous cleaning agent solution also uses distilled water rinsing.Ultrasonic clean patterning ITO in acetone is subsequently dry in nitrogen gas stream by isopropyl alcohol.

Be about to manufacture before device, with the patterning ito substrate process 10 minute of UV ozone by cleaning.After the cooling period immediately ITO on the surface spin coating HIJ1 aqueous dispersion and heating to remove solvent.After cooling, substrate described in the solution spin coating then using hole mobile material, then heats to remove solvent.After cooling, with substrate described in the spin coating of emission layer solution, and heating is to remove solvent.Described substrate mask is hidden and is positioned in vacuum chamber.By thermal evaporation deposition electron transfer layer, then deposit CsF layer.Then change mask under vacuo and carry out deposited aluminum layer by thermal evaporation.Room is vented, and uses glass capping, siccative and ultraviolet curable epoxide to encapsulate described device.

The feature of OLED sample is (1) current-voltage (I-V) curve measuring them, and (2) are relative to the electroluminescent radiation of voltage, and (3) are relative to the electroluminescent spectrum of voltage.All three tests are carried out and by computer control all simultaneously.By by the electroluminescent radiation of LED divided by the electric current needed for operative component, determine the current efficiency of device under a certain voltage.Unit is cd/A.Power efficiency is that current efficiency is multiplied by π, divided by operating voltage.Unit is lm/W.Device data provides in table 4.

table 4: device performance

* all data all obtain under 1000 nits, CE=current efficiency; CIEx and CIEy is x and the y color coordinates according to C.I.E. colourity (Commission Internationale de L'Eclairage, 1931).Former T50 is that under specified life test luminous, device reaches time of initial luminous half, by hour in units of.Expection T50 is under 1000 nits, uses the predicted life of speedup factor 1.7.

Can see, use deuterated matrix of the present invention to drastically increase the life-span of device, maintain other device property simultaneously.The average life expectancy of different substrates is given in following table 5.

table 5: device lifetime

Matrix	Average life expectancy T50 under 1000 nits, with hour to represent
		Comparative compound A	11,276 and 10,346
H8	22,027
		H10	14,504
H11	14,279

embodiment 11 and comparing embodiment F

This embodiment illustrates manufacture and the performance of the device with electroactive layer, described electroactive layer has green-doped agent material, has first substrate material of formula I and the second substrate material.Electron transport material is ET2, as follows.

Device has having structure on the glass substrate:

Anode=ITO (50nm)

Hole injection layer=HIJ2 (50nm), it is the N-shaped aqueous dispersion of the fluorinated sulfonic of conductive polymers and polymerization.This type of substance description in U.S. Patent application US2004/0102577, the US 2004/0127637 such as announced, US 2005/0205860 and announce PCT patent application WO 2009/018009 in.

Hole transmission layer=polymer P 1 (20nm)

Electroactive layer=82.5:5:12.5 first matrix: the second matrix: doping agent (60nm), as shown in table 6

Electron transfer layer=ET2 (10nm).

Negative electrode=CsF/Al (0.7/100nm)

table 6: device electroactive layer

Embodiment	First matrix	Second matrix	Doping agent
				Comparing embodiment F	Comparative compound A	D12	D6
Embodiment 11	H8	D12	D6

Prepare as described in embodiment 8-10 and assess device.Device data provides in table 7.

table 7: device performance

* all data all obtain under 1000 nits, CE=current efficiency; CIEx and CIEy is x and the y color coordinates according to C.I.E. colourity (Commission Internationale de L'Eclairage, 1931).Former T50 is that under specified life test luminous, device reaches time of initial luminous half, by hour in units of.Expection T50 is under 1000 nits, uses the predicted life of speedup factor 1.7.

Can see, use deuterated matrix of the present invention to drastically increase the life-span of device, maintain other device property simultaneously.Described predicted life adds and exceedes twice, even still like this when there is the second non-deuterated substrate material.

It should be noted that, above general describe or behavior described in embodiment not all be all required, a part of concrete behavior is optional, and except described those, also can implement other behavior one or more.In addition, the order of listed behavior needs not to be the order implementing them.

In the above specification, different concepts is described with reference to specific embodiment.But those of ordinary skill in the art recognizes, when not departing from the scope of the invention as hereinafter described in the claims, various modifications and variations can be carried out.Therefore, specification sheets and accompanying drawing should be considered to exemplary and nonrestrictive, and this type of modification all are all intended to be included in scope of the present invention.

The solution of beneficial effect, other advantage and problem is described above in conjunction with specific embodiment.But, the solution of beneficial effect, advantage, problem and any beneficial effect, advantage or solution can be caused to produce or become more significant any feature and may not be interpreted as the key of any or all claim, required or essential characteristic.

Will be appreciated that, for clarity sake, some feature described in context of different embodiments also can provide in a joint manner in single embodiment herein.Otherwise for simplicity, the multiple features described in single embodiment context also can provide respectively, or provide in the mode of any sub-portfolio.In addition, the correlation values described in scope comprises each value in described scope.

Claims (14)

1. the anthracene compound of aryl replacement, described compound has formula I:

Wherein:

R ¹to R ⁸identical or different and be selected from H, D, alkyl, alkoxyl group, aryl, aryloxy, siloxanes and silyl when occurring at every turn;

Ar ¹and Ar ²identical or different and be selected from aryl; And

Ar ³and Ar ⁴identical or different and be selected from H, D and aryl, wherein Ar ³not with Ar ¹condense, Ar ²not with Ar ⁴condense;

Wherein R ¹to R ⁸in at least one be D.

2. the compound of claim 1, described compound is at least 10% deuterated.

3. the compound of claim 1, described compound is at least 50% deuterated.

4. the compound of claim 1, described compound is 100% deuterated.

5. the compound of claim 1, at least one D wherein said is on the substituting group of aromatic ring.

6. the compound of claim 1, wherein R ¹to R ⁸be selected from H and D.

7. the compound of claim 1, wherein R ¹to R ⁸in at least one be selected from alkyl, alkoxyl group, aryl, aryloxy, siloxanes and silyl, and R ¹to R ⁸in residue person be selected from H and D.

8. the compound of claim 7, wherein R ²be selected from alkyl and aryl.

9. the compound any one of claim 1 or 5, wherein Ar ¹to Ar ⁴in at least one be deuterated aryl.

10. the compound of claim 1, wherein Ar ³and Ar ⁴be selected from D and deuterated aryl.

The compound of 11. claims 1, wherein Ar ¹to Ar ⁴at least 20% deuterated.

The compound of 12. claims 1, wherein Ar ¹and Ar ²be selected from phenyl, naphthyl, phenanthryl, anthryl and their deuterated derivative.

The compound of 13. claims 5, wherein Ar ³and Ar ⁴be selected from phenyl, naphthyl, phenanthryl, anthryl, phenyl naphthylidene, naphthylphenylene, they deuterated derivative and there is the group of formula II:

Wherein:

R ⁹identical or different and be selected from H, D, alkyl, alkoxyl group, siloxanes and silyl when occurring at every turn, or adjacent R ⁹base can be joined together formation aromatic ring; And

M when occurring at every turn identical or different and be 1 to 6 integer.

The compound of 14. claims 1, wherein Ar ³and Ar ⁴be selected from phenyl, naphthyl, phenyl naphthylidene, naphthylphenylene, they deuterated derivative and there is the group of formula III:

Wherein:

R ⁹identical or different and be selected from H, D, alkyl, alkoxyl group, siloxanes and silyl when occurring at every turn, or adjacent R ⁹base can be joined together formation aromatic ring; And

M when occurring at every turn identical or different and be 1 to 6 integer.