CN109467511A - A kind of aromatic amine compounds and its organic luminescent device - Google Patents
A kind of aromatic amine compounds and its organic luminescent device Download PDFInfo
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Abstract
The invention discloses a kind of aromatic amine compounds and its organic luminescent devices, are related to organic optoelectronic materials technology.Such compound is by connecting triphenylene group and substituted or unsubstituted benzo fluorene group in arylamine human subject structure, to obtain new compound, the aromatic amine compounds which forms have good cavity transmission ability.Preparation method is simple, raw material is easy to get, and has good thermal stability and chemical stability, while having good cavity transmission ability.Such compound is applied in OLED device as hole transmission layer, the luminous efficiency of device can be improved significantly, the driving voltage of device can also be effectively reduced simultaneously, solve the problems, such as that luminous efficiency of the existing technology is low, driving voltage is high, be the OLED material of a kind of function admirable.
Description
Technical field
The present invention relates to organic photoelectrical material technical field more particularly to a kind of aromatic amine compounds and its organic illuminator
Part.
Background technique
The Tang etc. of Kodak Company in 1987 has invented sandwich type organic bilayer film luminescent device, this is breakthrough
Progress allows it is seen that the great potential that OLED technology move towards functionization, moves towards commercial market, has started organic light-emitting diodes
The research boom of pipe.Over 30 years, OLED technology achieves development with rapid changepl. never-ending changes and improvements, moves towards the industrialization life from laboratory research
It produces.
Currently, the development of OLED material is to the stage of a comparative maturity, Materials Co., Ltd both domestic and external is provided
Hundreds of innovative material is provided with selecting.Oled light sulfate ferroelectric functional material applied to OLED device can be divided into two from purposes
Major class, i.e. charge inject transmission material and luminescent material, further, can also inject charge into transmission material and be divided into electron injection biography
Transmission material is injected in defeated material and hole, and luminescent material can also be divided into main body luminescent material and dopant material.In order to make
High performance OLED luminescent device, it is desirable that various organic functional materials have good photoelectric characteristic, for example, are used for organic electroluminescence
The hole mobile material of luminescence studies, hole mobile material are organic semi-conductor important components, and in general, hole passes
Defeated material should meet following condition: (1) good film forming and thermal stability；(2) relatively small electron affinity energy, has
Conducive to blocking electron injection；(3) relatively low ionization energy is conducive to hole injection；(4) preferable electrochemical stability；(5)
High hole mobility is conducive to hole transport；(6) there is the level structure to match with luminescent layer.
All in all, the direction of the following OLED be develop high efficiency, high brightness, the long-life, low cost white light parts and
Full color display device, but the technological industrialization process still faces many critical issues, wherein and electron-transport speed is higher than sky
Cave transmission speed, caused by carrier injection and transmission imbalance be limitation organic luminescent device luminous efficiency and driving voltage drop
Low key factor, how to develop a kind of good organic photoelectrical material of hole transport performance becomes urgent problem to be solved.
Summary of the invention
It is provided by the invention to organise the object of the present invention is to provide a kind of aromatic amine compounds and its organic luminescent device
Closing object has good cavity transmission ability, and thermal stability is good, and good film-forming property, synthetic method is simple to operation, uses the arylamine
There is the organic luminescent device of class compound preparation good luminous efficiency and service life to show.
The present invention provides a kind of aromatic amine compounds, and general formula of molecular structure is as shown in chemical formula I:
Wherein, A is selected from one of C6~C25 aryl, C3~C18 heteroaryl；
Ar1Selected from one of substituted or unsubstituted C6~C25 aryl, substituted or unsubstituted C3~C18 heteroaryl；
R1、R2Independently selected from substituted or unsubstituted C1~C10 alkyl, substituted or unsubstituted C6~C25 aryl, take
One of generation or unsubstituted C3~C18 heteroaryl.
Preferably, general formula of molecular structure is as shown in chemical formula II:
Wherein, any one of A in group shown in 1a to 1d:
" * " is group link position；
R1、R2Independently selected from C1~C4 alkyl, phenyl, naphthalene, anthryl, phenanthryl, pyrenyl, fluorenyl, carbazyl, pyridyl group,
Pyrimidine radicals, phenothiazinyl, phenoxazine base, acridinyl, dibenzothiophene, dibenzofuran group, benzothienyl, benzofuran
One of base；
Ar1Any one in shown group:
Wherein, R3、R4、R5、R6、R7Independently selected from H, methyl, ethyl, isopropyl, tert-butyl, phenyl, naphthalene, anthryl,
Phenanthryl, pyrenyl, fluorenyl, two fluorenyl of spiral shell, carbazyl, pyridyl group, phenothiazinyl, phenoxazine base, acridinyl, dibenzothiophene,
Dibenzofuran group, benzothienyl, any one in benzofuranyl；
R8、R9Independently selected from methyl, ethyl, isopropyl, tert-butyl, substituted or unsubstituted phenyl, substituted or unsubstituted
Naphthalene in any one, wherein substituent group is methyl, ethyl, isopropyl, tert-butyl, phenyl, any one in naphthalene
Or it is a variety of.
Preferably, Ar1Any one in shown group:
Preferably, R1、R2Independently selected from any in methyl, ethyl, isopropyl, tert-butyl, phenyl, naphthalene, xenyl
It is a kind of.
Most preferably, any one of aromatic amine compounds of the invention in chemical structure as follows:
The present invention also provides a kind of organic luminescent device, the organic luminescent device includes cathode, anode and is placed in institute
State between two electrodes and except one or more organic matter layers, the organic matter layer contains any virtue of the present invention
Aminated compounds.
Preferably, organic matter layer of the present invention includes hole transmission layer, is contained in hole transmission layer of the present invention
Any aromatic amine compounds.
Beneficial effects of the present invention:
The present invention provides a kind of aromatic amine compounds and its organic luminescent device.The present invention passes through in arylamine human subject structure
On, triphenylene group and substituted or unsubstituted benzo fluorene group are connected, to obtain new compound.On the one hand, the combination
The aromatic amine compounds that mode is formed have good cavity transmission ability, are applied to be used as hole transport in organic luminescent device
Layer can effectively improve the transmittability in hole, improve hole and electronics in the recombination rate of luminescent layer, improve the luminous effect of device
Rate.
On the other hand, since triphenylene group, benzo fluorene group have special rigid plane condensed cyclic structure, base can be made
The whole movement of group is relatively limited, therefore can effectively improve glass transition temperature (Tg), and thermal stability is good.
Aromatic amine compounds preparation method of the present invention is simple, and raw material is easy to get, and can satisfy industrialization demand.
Aromatic amine compounds of the present invention are applied in organic luminescent device, can be used as hole transmission layer, using this
The organic luminescent device for inventing the aromatic amine compounds preparation has good luminous efficiency and reduces the driving voltage of device.
Specific embodiment:
It is clearly and completely described below in conjunction with the technical solution of the embodiment of the present invention, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, art technology
Personnel's every other embodiment obtained without making creative work, belongs to protection scope of the present invention.
Alkyl of the present invention refers to alkyl made of minusing a hydrogen atom in alkane molecule, can be straight chain alkane
Base, branched alkyl, naphthenic base, example may include methyl, ethyl, propyl, isopropyl, normal-butyl, isobutyl group, sec-butyl, tertiary fourth
Base, amyl, isopentyl, cyclopenta, cyclohexyl etc., but not limited to this.
Aryl of the present invention refers to remove a hydrogen atom on the aromatic core carbon of aromatic hydrocarbon molecule after, be left the total of univalent perssad
Claiming, can be monocyclic aryl or fused ring aryl, example may include phenyl, xenyl, naphthalene, anthryl, phenanthryl or pyrenyl etc., but
It is without being limited thereto.
Heteroaryl of the present invention refers to the group that one or more aromatic core carbon in aryl are substituted by hetero atom
General name, the hetero atom include but is not limited to oxygen, sulphur or nitrogen-atoms, and the heteroaryl can be bicyclic heteroaryl or condensed ring heteroaryl
Base, example may include pyridyl group, pyrrole radicals, thienyl, furyl, benzothienyl, benzofuranyl, dibenzofuran group,
Dibenzothiophene, carbazyl etc., but not limited to this.
Substituted alkyl of the present invention, substituted aryl, substituted heteroaryl, the substituent group is independently selected from first
Base, ethyl, isopropyl, tert-butyl, phenyl, naphthalene, anthryl, phenanthryl, benzo phenanthryl, base, pyrenyl, benzyl, fluorenyl, 9,9-
Dimethyl fluorenyl, hexichol amido, dimethylamino, carbazyl, 9- phenyl carbazole base, furyl, thienyl, deuterium base, phenothiazinyl,
Phenoxazine base, acridinyl, xenyl, terphenyl etc., but not limited to this.
The present invention provides a kind of aromatic amine compounds, and general formula of molecular structure is as shown in chemical formula I:
Wherein, A is selected from one of C6~C25 aryl, C3~C18 heteroaryl；
Ar1Selected from one of substituted or unsubstituted C6~C25 aryl, substituted or unsubstituted C3~C18 heteroaryl；
R1、R2Independently selected from substituted or unsubstituted C1~C10 alkyl, substituted or unsubstituted C6~C25 aryl, take
One of generation or unsubstituted C3~C18 heteroaryl.
Preferably, general formula of molecular structure is as shown in chemical formula II:
Wherein, any one of A in group shown in 1a to 1d:
" * " is group link position；
R1、R2Independently selected from C1~C4 alkyl, phenyl, naphthalene, anthryl, phenanthryl, pyrenyl, fluorenyl, carbazyl, pyridyl group,
Pyrimidine radicals, phenothiazinyl, phenoxazine base, acridinyl, dibenzothiophene, dibenzofuran group, benzothienyl, benzofuran
One of base；
Ar1Any one in shown group:
Wherein, R3、R4、R5、R6、R7Independently selected from H, methyl, ethyl, isopropyl, tert-butyl, phenyl, naphthalene, anthryl,
Phenanthryl, pyrenyl, fluorenyl, two fluorenyl of spiral shell, carbazyl, pyridyl group, phenothiazinyl, phenoxazine base, acridinyl, dibenzothiophene,
Dibenzofuran group, benzothienyl, any one in benzofuranyl；
R8、R9Independently selected from methyl, ethyl, isopropyl, tert-butyl, substituted or unsubstituted phenyl, substituted or unsubstituted
Naphthalene in any one, wherein substituent group is methyl, ethyl, isopropyl, tert-butyl, phenyl, any one in naphthalene
Or it is a variety of.
Preferably, Ar1Any one in shown group:
Preferably, R1、R2Independently selected from any in methyl, ethyl, isopropyl, tert-butyl, phenyl, naphthalene, xenyl
It is a kind of.
Most preferably, as an example, it is not particularly limited, a kind of aromatic amine compounds of the present invention are selected from as follows
Any one in chemical structure:
It is enumerated above some specific constructive forms of aromatic amine compounds of the present invention, but the invention is not limited to
These listed chemical structures, all based on structure shown in formula I, Ar1、R1、R2It should be all included in for group as defined above
It is interior.
The preparation method of aromatic amine compounds of the present invention can be prepared by conventional coupling reaction, such as can
It is prepared by following synthetic route, however, the present invention is not limited thereto:
Aromatic amine compounds A occurs Buchwald with bromide B first and reacts, and obtains intermediate M；Intermediate M again with contain
There is Ar1Bromide C occur Buchwald reaction, finally obtain target compound I.
Wherein, A is selected from one of C6~C25 aryl, C3~C18 heteroaryl；
Ar1Selected from one of substituted or unsubstituted C6~C25 aryl, substituted or unsubstituted C3~C18 heteroaryl；
R1、R2Independently selected from substituted or unsubstituted C1~C10 alkyl, substituted or unsubstituted C6~C25 aryl, take
One of generation or unsubstituted C3~C18 heteroaryl.
The present invention does not have special limitation to the above-mentioned reaction condition respectively reacted, and use is well-known to those skilled in the art
Reaction condition.The present invention is not particularly limited the source of raw material employed in above-mentioned each reaction, can be commercially available
Product is prepared using preparation method well-known to those skilled in the art.Aromatic amine compounds synthesis step of the present invention
Suddenly less, processing it is simple, easy to industrialized production.
The present invention also provides a kind of organic luminescent device, the organic luminescent device includes cathode, anode and is placed in institute
State between two electrodes and except one or more organic matter layers, the organic matter layer contains arylamine class of the present invention
Close object.
Preferably, the organic matter layer includes hole transmission layer, is contained in hole transmission layer of the present invention any
Aromatic amine compounds.
OLED structure of the present invention are as follows: ITO is as transparent anode；2-TNATA is used as hole injection layer；
Aromatic amine compounds of the present invention are as hole transmission layer；CBP:Ir (ppy)3As luminescent layer substance；TPBi is used as electricity
Sub- transport layer；LiF is used as electron injecting layer；Al is used as cathode.
Its structure of aromatic amino-derivative and its organic luminescent device of the present invention is preferred are as follows: substrate/anode/hole note
Enter layer/hole transmission layer/luminescent layer/electron transfer layer/electron injecting layer/cathode.However, the structure of organic luminescent device is unlimited
In this.Aromatic amino-derivative and its organic luminescent device of the present invention can according to the characteristic of device parameter requirements and material into
Row selection and combination, can also add or omit part organic layer.OLED structure of the present invention are as follows: ITO conduct
Transparent anode；2-TNATA is used as hole injection layer；NPB or aromatic amino-derivative of the present invention are used as hole transmission layer；
CBP:Ir (ppy)3As luminescent layer；TPBi is used as electron transfer layer；LiF is used as electron injecting layer；Al is used as cathode.
Aromatic amine compounds of the present invention are used as hole mobile material, to manufacture the organic of construction same as below
Luminescent device:
ITO/2-TNATA (50nm)/aromatic amine compounds of the present invention (30nm)/CBP:Ir (ppy)3(30nm)/
TPBi(30nm)/LiF(0.5nm)/Al(200nm)。
The preparation of organic matter layer can be vacuum vapour deposition, spin-coating method, vapor deposition, knife coating, laser thermal transfer, EFI
Rubbing method, slit coating method, any one in dipping formula rubbing method, preferably use the side of vacuum evaporation in the present invention
Method.
Organic luminescent device of the present invention can be widely applied to Display panel, lighting source, flexibility OLED, Electronic Paper,
The fields such as Organophotoreceptor or Organic Thin Film Transistors, direction board, signal lamp.
The synthesis of [embodiment 1] compound 1
Step1: under argon atmospher, by amine compounds A-1 (3.65g, 15mmol), bromide B-1 (5.01g, 15mmol), uncle
Sodium butoxide (2.88g, 30mmol) is added in 150ml dehydrated toluene, stirs lower addition palladium acetate (0.07g, 0.3mmol), three
Tert-butyl phosphine (0.06g, 0.3mmol) reacts 8 hours at 80 DEG C.It after cooling, is filtered, is filtered by diatomite/silica gel funnel
For liquid by vacuum distillation removal organic solvent, residue obtained to recrystallize in toluene, leaching obtained solid is dry, obtains centre
Body M-1.
Step2: under argon atmospher, to intermediate M-1 (4.36g, 10mmol), bromide C-1 (2.45g, 10mmol), three
(dibenzalacetone) two palladium (0.14g, 0.15mmol), tri-tert-butylphosphine tetrafluoroborate (0.087g, 0.3mmol), tertiary fourth
50ml anhydrous dimethyl benzene is added in sodium alkoxide (1.9g, 20mmol), is flowed back 8 hours.50 DEG C are cooled to, diatomite/silica gel mistake is passed through
Filter, filtrate concentration, residue obtained to be purified with silica gel column chromatography, gained crude product recrystallizes in toluene, obtains compound 1
(4.21g, 66%), yield.
Mass spectrum m/z:637.30 (calculated value: 637.28).Theoretical elemental content (%) C49H35N:C, 92.27；H,5.53；
N,2.20.Survey constituent content (%): C, 92.26；H,5.54；N,2.20.The above results confirm that obtaining product is target product.
The synthesis of [embodiment 2] compound 2
Bromide C-1 is replaced with to the bromide C-2 of equimolar amounts, other steps are same as Example 1, can obtain
To compound 2 (4.33g, 68%).
Mass spectrum m/z:637.29 (calculated value: 637.28).Theoretical elemental content (%) C49H35N:C, 92.27；H, 5.53；
N, 2.20 actual measurement constituent content (%): C, 92.28；H, 5.52；N, 2.20.The above results confirm that obtaining product is target product.
The synthesis of [embodiment 3] compound 13
Bromide C-1 is replaced with to the bromide C-13 of equimolar amounts, obtains chemical combination according to the synthetic method of compound 1
Object 13 (4.36g, 67%).
Mass spectrum m/z:651.25 (calculated value: 651.26).Theoretical elemental content (%) C49H33NO:C, 90.29；H, 5.10；
N, 2.15；O, 2.45 actual measurement constituent content (%): C, 90.29；H, 5.11；N, 2.15；O, 2.44.The above results confirmation is produced
Object is target product.
The synthesis of [embodiment 4] compound 17
Bromide C-1 is replaced with to the bromide C-17 of equimolar amounts, obtains chemical combination according to the synthetic method of compound 1
Object 17 (4.21g, 63%).
Mass spectrum m/z:801.35 (calculated value: 801.34).Theoretical elemental content (%) C49H33NS:C, 88.12；H, 4.98；
N, 2.10；S, 4.80 actual measurement constituent content (%): C, 88.13；H, 4.97；N, 2.10；S, 4.80.The above results confirmation is produced
Object is target product.
The synthesis of [embodiment 5] compound 22
Bromide C-1 is replaced with to the bromide C-22 of equimolar amounts, obtains chemical combination according to the synthetic method of compound 1
Object 22 (4.58g, 63%).
Mass spectrum m/z:726.31 (calculated value: 726.30).Theoretical elemental content (%) C55H38N2: C, 90.88；H, 5.27；
N, 3.85 actual measurement constituent content (%): C, 90.87；H, 5.28；N, 3.85.The above results confirm that obtaining product is target product.
The synthesis of [embodiment 6] compound 42
Bromide B-1 is replaced with to the bromide B-2 of equimolar amounts, bromide C-1 is replaced with the bromine of equimolar amounts
Compound C-2, other steps are same as Example 1, and compound 42 (4.15g, 65%) can be obtained.
Mass spectrum m/z:637.82 (calculated value: 637.83).Theoretical elemental content (%) C49H35N:C, 92.27；H, 5.53；
N, 2.20 actual measurement constituent content (%): C, 92.26；H, 5.54；N, 2.20.The above results confirm that obtaining product is target product.
The synthesis of [embodiment 7] compound 58
Bromide B-1 is replaced with to the bromide B-2 of equimolar amounts, bromide C-1 is replaced with the bromine of equimolar amounts
Compound C-58, other steps are same as Example 1, and compound 58 (3.09g, 69%) can be obtained.
Mass spectrum m/z:677.32 (calculated value: 677.31).Theoretical elemental content (%) C52H39N:C, 92.13；H, 5.80；
N, 2.07 actual measurement constituent content (%): C, 92.14；H, 5.80；N, 2.06.The above results confirm that obtaining product is target product.
The synthesis of [embodiment 8] compound 82
Bromide B-1 is replaced with to the bromide B-3 of equimolar amounts, bromide C-1 is replaced with the bromine of equimolar amounts
Compound C-2 obtains compound 82 (3.89g, 61%) according to the synthetic method of compound 1.
Mass spectrum m/z:637.82 (calculated value: 637.83).Theoretical elemental content (%) C49H35N:C, 92.27；H, 5.53；
N, 2.20 actual measurement constituent content (%): C, 92.26；H, 5.54；N, 2.20.The above results confirm that obtaining product is target product.
The synthesis of [embodiment 9] compound 93
Bromide B-1 is replaced with to the bromide B-3 of equimolar amounts, bromide C-1 is replaced with the bromine of equimolar amounts
Compound C-13 obtains compound 93 (4.04g, 62%) according to the synthetic method of compound 1.
Mass spectrum m/z:651.25 (calculated value: 651.26).Theoretical elemental content (%) C49H33NO:C, 90.29；H, 5.10；
N, 2.15；O, 2.45 actual measurement constituent content (%): C, 90.29；H, 5.11；N, 2.15；O, 2.44.The above results confirmation is produced
Object is target product.
The synthesis of [embodiment 10] compound 117
Bromide B-1 is replaced with to the bromide B-3 of equimolar amounts, bromide C-1 is replaced with the bromine of equimolar amounts
Compound C-117 obtains compound 117 (3.48g, 70%) according to the synthetic method of compound 1.
Mass spectrum m/z:687.30 (calculated value: 687.29).Theoretical elemental content (%) C53H37N:C, 92.54；H, 5.42；
N, 2.04 actual measurement constituent content (%): C, 92.55；H, 5.41；N, 2.04.The above results confirm that obtaining product is target product.
[comparative example 1] device prepares embodiment:
Ito glass substrate is placed in distilled water and is cleaned 2 times, it is ultrasonic washing 15 minutes, different after distilled water cleans
Ultrasonic washing is later dry in order for propyl alcohol, acetone, methanol equal solvent, is transferred in plasma washing machine, by above-mentioned base
Plate washs 5 minutes, is sent in evaporator.
Hole injection layer 2-TNATA/50nm is successively deposited on the ito transparent electrode having had been prepared for, vapor deposition hole passes
Defeated layer NPB/30nm, vapor deposition main body CBP: doping Ir (ppy)35% mixing/30nm, then vapor deposition electron transfer layer TPBi/
30nm, cathode LiF/0.5nm, Al/200nm.
[Application Example 1-10]
To compare the NPB in Application Example 1 change into shown compound 1 in Application Example 1-10,2,13,17,22,
42、58、82、93、117。
Table 1 is the compound of preparation of the embodiment of the present invention and the characteristics of luminescence test for comparing luminescent device prepared by substance
As a result.
The characteristics of luminescence of [table 1] luminescent device is tested
The above result shows that aromatic amine compounds of the invention are applied in organic luminescent device, especially as hole
Transport layer shows the low advantage of high-luminous-efficiency, driving voltage, is luminous organic material of good performance.
It should be pointed out that the present invention is particularly described with individual embodiments, but before not departing from the principle of the invention
It puts, ordinary skill people can carry out the improvement on various forms or details to the present invention, these improvement also fall into this hair
In bright protection scope.
Claims (7)
1. a kind of aromatic amine compounds, which is characterized in that general formula of molecular structure is as shown in chemical formula I:
Wherein, A is selected from one of C6~C25 aryl, C3~C18 heteroaryl；
Ar1Selected from one of substituted or unsubstituted C6~C25 aryl, substituted or unsubstituted C3~C18 heteroaryl；
R1、R2Independently selected from substituted or unsubstituted C1~C10 alkyl, substituted or unsubstituted C6~C25 aryl, replace or
One of unsubstituted C3~C18 heteroaryl.
2. a kind of aromatic amine compounds according to claim 1, which is characterized in that general formula of molecular structure such as II institute of chemical formula
Show:
Wherein, any one of A in group shown in 1a to 1d:
" * " is group link position；
R1、R2Independently selected from C1~C4 alkyl, phenyl, naphthalene, anthryl, phenanthryl, pyrenyl, fluorenyl, carbazyl, pyridyl group, pyrimidine
Base, phenothiazinyl, phenoxazine base, acridinyl, dibenzothiophene, dibenzofuran group, benzothienyl, in benzofuranyl
One kind；
Ar1Any one in shown group:
Wherein, R3、R4、R5、R6、R7Independently selected from H, methyl, ethyl, isopropyl, tert-butyl, phenyl, naphthalene, anthryl, phenanthryl,
Pyrenyl, fluorenyl, two fluorenyl of spiral shell, carbazyl, pyridyl group, phenothiazinyl, phenoxazine base, acridinyl, dibenzothiophene, dibenzo
Furyl, benzothienyl, any one in benzofuranyl；
R8、R9Independently selected from methyl, ethyl, isopropyl, tert-butyl, substituted or unsubstituted phenyl, substituted or unsubstituted naphthalene
Any one in base, wherein substituent group be methyl, ethyl, isopropyl, tert-butyl, phenyl, in naphthalene any one or it is more
Kind.
3. a kind of aromatic amine compounds according to claim 1, which is characterized in that Ar1It is any one in shown group
Kind:
4. a kind of aromatic amine compounds according to claim 1, which is characterized in that R1、R2Independently selected from methyl, ethyl,
Isopropyl, tert-butyl, phenyl, naphthalene, any one in xenyl.
5. a kind of aromatic amine compounds according to claim 1, which is characterized in that in chemical structure as follows
Any one:
6. a kind of organic luminescent device, which is characterized in that the organic luminescent device include cathode, anode and be placed in it is described two electricity
Between pole and except one or more organic matter layers, the organic matter layer contains the described in any item virtues of Claims 1 to 5
Aminated compounds.
7. a kind of organic luminescent device according to claim 6, which is characterized in that the organic matter layer includes that hole passes
Defeated layer contains the described in any item aromatic amine compounds of Claims 1 to 5 in hole transmission layer.
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| CN112939787A (en) * | 2019-12-10 | 2021-06-11 | 北京鼎材科技有限公司 | Compound and application thereof |
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| CN112939787A (en) * | 2019-12-10 | 2021-06-11 | 北京鼎材科技有限公司 | Compound and application thereof |
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