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CN103956434A - Two-sided organic light-emitting device based on OLED modulation and preparation method thereof - Google Patents

Two-sided organic light-emitting device based on OLED modulation and preparation method thereof Download PDF

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Publication number
CN103956434A
CN103956434A CN201410148111.7A CN201410148111A CN103956434A CN 103956434 A CN103956434 A CN 103956434A CN 201410148111 A CN201410148111 A CN 201410148111A CN 103956434 A CN103956434 A CN 103956434A
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light
oled
transport layer
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王肖
景悦林
张朝
黄荣娟
徐韬
魏斌
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SHANGHAI UNIVERSITY
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
    • H10K50/13—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/302—Details of OLEDs of OLED structures

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  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

本发明提供一种基于OLED调制的双面有机电致发光器件及其制备方法，本器件包括顶发光器件和底发光器件，所述底发光器件包括透明电极、第一空穴注入层，第一空穴传输层，第一发光层，第一电子传输层，第一电子注入层，第一发光层引出电极阴极；所述顶发光器件包括第二空穴注入层，第二空穴传输层，第二发光层，第二电子传输层，第二电子注入层，第二发光层引出电极阴极，匹配层；所述顶发光器件和底发光器件通过连接层连接。本发明单独的电学调控特性使两边的发光颜色的强度和色度没有偏移，可以保留单色器件的完整性同时又具有单个器件的结构。

The invention provides a double-sided organic electroluminescence device based on OLED modulation and a preparation method thereof. The device includes a top light-emitting device and a bottom light-emitting device, and the bottom light-emitting device includes a transparent electrode, a first hole injection layer, a first A hole transport layer, a first light-emitting layer, a first electron transport layer, a first electron injection layer, and the first light-emitting layer lead out an electrode cathode; the top light-emitting device includes a second hole injection layer, a second hole transport layer, The second light-emitting layer, the second electron transport layer, the second electron injection layer, the second light-emitting layer lead-out electrode cathode, the matching layer; the top light-emitting device and the bottom light-emitting device are connected through a connection layer. The independent electrical control characteristic of the present invention makes the intensity and chromaticity of the luminous colors on both sides not shifted, and can preserve the integrity of the single-color device while having the structure of a single device.

Description

Two-side organic electroluminescence device based on OLED modulation and preparation method thereof
Technical field
The present invention relates to microelectronics and materialogy field, particularly a kind of two-side organic electroluminescence device based on OLED modulation and preparation method thereof.
Background technology
At present, organic electroluminescence device based on " sandwich " structure is under the driving of external voltage, by negative electrode injected electrons and anode injected holes, from electron transfer layer and hole transmission layer, to organic luminous layer, moved respectively, compound in organic layer, release energy, organic luminescent substance molecule is excited, transit to excitation state, excited molecule produces luminous when excitation state is got back to ground state.
In traditional device architecture, due to the restriction of manufacture craft, electric charge and hole are injected into charge transport layer and hole transmission layer by anode and negative electrode respectively and meet and produce exciton and luminous single-shot optical device.For the device of this single-shot light, at the regulatable polychrome of realization difference (or monochromatic a plurality of), OLED need to prepare respectively independent a plurality of OLED devices.This device is more loaded down with trivial details when volume production, material and substrate waste, and cost is higher.In addition, in traditional OLED device, in order to realize many light of single device, mix, need to design the position that various resilient coatings come equilibrium carrier and charge carrier to meet.But for OLED device, the thickness of organic film has great impact to light intensity and color stability.
summary of the invention
The defect existing for prior art, the object of this invention is to provide a kind of two-side organic electroluminescence device and device preparation method thereof based on OLED modulation.Can realize regulatable polychrome organic electroluminescence device respectively, save material simultaneously, reduce costs.
In order to achieve the above object, design of the present invention is:
Two-side organic electroluminescence device based on OLED modulation, device main feature is to avoid preparing a plurality of single-shot optical devices, and can not exert an influence to light intensity and color stability by separate modulation power supply respectively.By preparing articulamentum on the negative electrode at normal preparation end ballistic device, be top ballistic device afterwards again.By preparing rational articulamentum, dexterously top ballistic device and end ballistic device are combined, the voltage of separate modulation make the luminous and luminous performance of two-sided independence and color all unaffected.
According to above-mentioned design, the present invention adopts following technical scheme:
A kind of two-side organic electroluminescence device based on OLED modulation, comprise top illuminating device and end luminescent device, luminescent device of the described end comprises transparency electrode, the first hole injection layer, the first hole transmission layer, the first luminescent layer, the first electron transfer layer, the first electron injecting layer, the first luminescent layer extraction electrode negative electrode; Described top illuminating device comprises the second hole injection layer, the second hole transmission layer, the second luminescent layer, the second electron transfer layer, the second electron injecting layer, the second luminescent layer extraction electrode negative electrode, matching layer; Described top illuminating device is connected by articulamentum with end luminescent device.
Described transparency electrode is deposited on to be had on the nonbreakable glass of high light transmittance or the plastic base of flexibility.
A preparation method for two-side organic electroluminescence device based on OLED modulation, comprises the steps:
1) in the transparency electrode of end luminescent device, by vacuum vapour deposition, deposit successively the first hole injection layer, the first hole transmission layer, the first luminescent layer, the first electron transfer layer, the first electron injecting layer and the first luminescent layer extraction electrode negative electrode with high work function;
2) on the first luminescent layer extraction electrode negative electrode, deposit articulamentum;
3) on articulamentum, deposit successively the second hole injection layer, the second hole transmission layer, the second luminescent layer, the second electron transfer layer, the second electron injecting layer, the second luminescent layer extraction electrode negative electrode;
4) on the second luminescent layer extraction electrode negative electrode, deposition matching layer.
Transparency electrode in described step 1) is a kind of in ITO, ZnO, AZO, Ni, Au, Pt.
Described step 2) the articulamentum material in is Ag, Ni or Au.
Described step 1) and 3) the first hole transmission layer in and the material of the second hole transmission layer adopt triphenylamine, three arylamine polymers, carbazole compound, the silicone based or organometallic complex of diamine compounds, " star " triphenyl amine compound, spiral shell type structure and the branch shape of paired coupling.
Described step 1) and 3) the first luminescent layer and the second luminescent layer in comprise luminescent material and laser material, there is host and guest's doped system, many doped system, co-host system and non-doped system that energy transmits, by the mode of steaming altogether, regulate evaporation rate to carry out controlled doping concentration in a vacuum; Or in spin coating process, regulate the matched proportion density at molten night to change doping content.
Described luminescent material comprises:
Red fluorescence material: DCJTB ［ 4-(dicyanomethyene)-2-t-butyl-6 (1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran ］, RD3 ［ tetraphenyldibenzoperiflanthene ］, DPP ［ 6,13-diphenylpentacene ］ and PAAA { 7-(9-anthryl) dibenzo ［ a, o ］ perylene};
Blue fluorescent material: with 9,10-di (2-naphtyl) anthracene (AND) is representative diaryl anthracene derivative, talan fragrance derivatives 4,4 '-Bis (2,2-diphenylvinyl)-1,1 '-biphenyl (DPVBi) and diphenyl-(4-{2-[4-(2-pyridin-4-yl-vinyl)-phenyl]-vinyl}-phenyl)-amine (DPVPA), to revolve the two fluorenyls of ring with 2,7-bis[2-(4-tert-butylphenyl) pyrimidine-5-yl]-9,9 '-spirobifluorene (TBPSF) is representative;
Green fluorescent material: cumarin series 2,3,6,7-tetrahydro-1,1,7,7 ,-tetramethyl-1H, 5H, 11H-10-(2-benzothiazolyl) quinolizino-[9,9a, 1gh] the green glow alloy of coumarin (C545T) and C545TB, polycyclic aromatic hydrocarbons, quinacridone derivative;
Ruddiness phosphor material: 4,4 '-bis (9-carbazolyl) biphenyl (CBP) is as the Btp of main body doping 2ir (acac) bis[2-(2'-benzothienyl) pyridinato-N, C3 '] (acetylacetonate) iridium, Ir (piq) 3［ tris ［ 1-phenylisoquinolinato-C2, N ］ iriium (III) ］, Ir (BPPa) 3;
Blue phosphorescent material: ［ iridiumbis (4 for EL material FIrpic, 6-diflorophenyl-pyridinato-N, C ') picolinate, Fir6 ［ iridium (III) bis (4,6-difluorophenylpyridinato) tetrakis (1-pyrazoly1) borate, FIrN4 Iriium (III) bis (4,6-difluorophenyl-pyridinato)-5-(pyridine-2-yl)-1H-tetrazolate;
Green phosphorescent material: Ir (ppy) 3［ fac-tris (2-phenylpyridine) iridium ］, (ppy) 2ir (acac) ［ bis (2-phenylpyridine) iridium (acetyl-acetonate) ］, Ir (BPPya) 3［ tris ［ 3,6-bis (phenyl)-pyridazinato-N1, C2 ' ］ iridium ］.
Described step 1) and 3) the first electron transfer layer in and the material of the second electron transfer layer are polymer, other nitrogen-containing heterocycle compounds, organosilicon material, perfluorinated material or the organic boron material of oxine aluminium (Alq3) metal complexes, oxadiazole compounds, quinoxaline compound, cyano-containing.
Described step 1) and 3) the first luminescent layer extraction electrode negative electrode in and the second luminescent layer extraction electrode negative electrode are metallic aluminium or magnesium silver alloy or lithium-aluminium alloy.
Compared with prior art, the present invention has following outstanding substantive distinguishing features and advantage significantly:
Device of the present invention is in Bottom-Top OLED structure, and middle articulamentum has the effect that end ballistic device and top ballistic device are coupled together, so its thickness and structure play vital effect to the performance of whole device.Independent electricity modulating properties makes intensity and the not skew of colourity of the glow color on both sides, and the integrality that can retain monochrome devices has again the structure of individual devices simultaneously.For volume production, such device architecture not only can be saved luminescent material but also can save in a large number substrate.
Accompanying drawing explanation
Fig. 1 is the two-side organic electroluminescence device architecture figure of OLED modulation of the present invention.
Fig. 2 is the two-side organic electroluminescence device fundamental diagram of OLED modulation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are further described.
As shown in Figure 1, a kind of two-side organic electroluminescence device based on OLED modulation, comprise top illuminating device and end luminescent device, luminescent device of the described end comprises transparency electrode 1, the first hole injection layer 2, the first hole transmission layer 3, the first luminescent layer 4, the first electron transfer layers 5, the first electron injecting layer 6, the first luminescent layer extraction electrode negative electrodes 7; Described top illuminating device comprises the second hole injection layer 9, the second hole transmission layer 10, the second luminescent layer 11, the second electron transfer layer 12, the second electron injecting layer 13, the second luminescent layer extraction electrode negative electrodes 14, matching layer 15; Described top illuminating device is connected by articulamentum 8 with end luminescent device.Described transparency electrode 1 is deposited on to be had on the nonbreakable glass of high light transmittance or the plastic base of flexibility.
A preparation method for two-side organic electroluminescence device based on OLED modulation, comprises the steps:
1) in the transparency electrode 1 of end luminescent device, by vacuum vapour deposition, deposit successively the first hole injection layer 2, the first hole transmission layer 3, the first luminescent layers 4, the first electron transfer layer 5, the first electron injecting layers 6 and the first luminescent layer extraction electrode negative electrode 7 with high work function;
2) on the first luminescent layer extraction electrode negative electrode 7, deposit articulamentum 8;
3) on articulamentum 8, deposit successively the second hole injection layer 9, the second hole transmission layer 10, the second luminescent layer 11, the second electron transfer layer 12, the second electron injecting layer 13, the second luminescent layer extraction electrode negative electrodes 14;
4) on the second luminescent layer extraction electrode negative electrode 14, deposition matching layer 15.
Embodiment 1
Select the transparent glass substrate that deposits ITO, by the method for vacuum evaporation, on glass substrate, deposit MoO 3n-bis-(naphthyl)-N again, N'-diphenyl-1,1'-biphenyl-4, the hole transmission layer that 4'-diamine (NPB) is material, then be can be both that luminescent material can be also the oxine aluminium (Alq of electric transmission layer material 3), then depositing LIQ, negative electrode is Al, articulamentum is Ag, next repeats in the same way this structure, is first deposition MoO 3next be N-bis-(naphthyl)-N, N'-diphenyl-1,1'-biphenyl-4, the hole transmission layer that 4'-diamine (NPB) is material, then be can be both that luminescent material can be also the oxine aluminium (Alq of electric transmission layer material 3), then depositing LIQ, negative electrode is Al, is finally matching layer oxine aluminium (Alq 3).
Test process is as shown in Figure 2:
First, direct voltage source positive pole is connected in transparency electrode 1, negative pole is connected on the first luminescent layer extraction electrode negative electrode 7.Meanwhile, with other direct voltage source positive pole, be connected on articulamentum 8, negative pole is connected on two luminescent layer extraction electrode negative electrodes 14.Two direct voltage sources add suitable voltage simultaneously, by energy level, are mated with the transmission of energy and are produced luminous exciton at luminescent layer.

Claims (10)

1.一种基于OLED调制的双面有机电致发光器件，其特征在于，包括顶发光器件和底发光器件，所述底发光器件包括透明电极（1）、第一空穴注入层（2），第一空穴传输层（3），第一发光层（4），第一电子传输层（5），第一电子注入层（6），第一发光层引出电极阴极（7）；所述顶发光器件包括第二空穴注入层（9），第二空穴传输层（10），第二发光层（11），第二电子传输层（12），第二电子注入层（13），第二发光层引出电极阴极（14），匹配层（15）；所述顶发光器件和底发光器件通过连接层（8）连接。 1. A double-sided organic electroluminescent device based on OLED modulation, characterized in that it includes a top-emitting device and a bottom-emitting device, and the bottom-emitting device includes a transparent electrode (1), a first hole injection layer (2) , the first hole transport layer (3), the first light emitting layer (4), the first electron transport layer (5), the first electron injection layer (6), the first light emitting layer lead-out electrode cathode (7); the The top light emitting device comprises a second hole injection layer (9), a second hole transport layer (10), a second light emitting layer (11), a second electron transport layer (12), a second electron injection layer (13), The second light-emitting layer leads out to an electrode cathode (14) and a matching layer (15); the top light-emitting device and the bottom light-emitting device are connected through a connection layer (8). 2.根据权利要求1所述的基于OLED调制的双面有机电致发光器件，其特征在于，所述的透明电极（1）沉积在具有高透光性的刚性玻璃或者柔性的塑料基板上。 2. The double-sided organic electroluminescent device based on OLED modulation according to claim 1, characterized in that the transparent electrode (1) is deposited on a rigid glass or flexible plastic substrate with high light transmittance. 3.一种基于OLED调制的双面有机电致发光器件的制备方法，其特征在于，包括如下步骤： 3. A method for preparing a double-sided organic electroluminescent device based on OLED modulation, characterized in that, comprising the steps: 1）在底发光器件的透明电极（1）上，通过真空蒸镀法依次沉积第一空穴注入层（2），第一空穴传输层（3），第一发光层（4），第一电子传输层（5），第一电子注入层（6）和具有高功函数的第一发光层引出电极阴极（7）； 1) On the transparent electrode (1) of the bottom light emitting device, the first hole injection layer (2), the first hole transport layer (3), the first light emitting layer (4), and the first hole injection layer (2) are sequentially deposited by vacuum evaporation method. An electron transport layer (5), a first electron injection layer (6) and a first light-emitting layer with a high work function leading out an electrode cathode (7); 2）在第一发光层引出电极阴极（7）上沉积连接层（8）； 2) Depositing a connection layer (8) on the cathode (7) of the extraction electrode of the first light-emitting layer; 3）在连接层（8）上依次沉积第二空穴注入层（9），第二空穴传输层（10），第二发光层（11），第二电子传输层（12），第二电子注入层（13），第二发光层引出电极阴极（14）； 3) On the connection layer (8), deposit the second hole injection layer (9), the second hole transport layer (10), the second light emitting layer (11), the second electron transport layer (12), the second An electron injection layer (13), a cathode electrode (14) leading out of the second light-emitting layer; 4）在第二发光层引出电极阴极（14）上，沉积匹配层（15）。 4) Deposit a matching layer (15) on the cathode (14) of the extraction electrode of the second light-emitting layer. 4.根据权利要求3所述的基于OLED调制的双面有机电致发光器件的制备方法，其特征在于，所述步骤1）中的透明电极（1）为ITO、ZnO、AZO、Ni、Au、Pt中的一种。 4. The method for preparing a double-sided organic electroluminescent device based on OLED modulation according to claim 3, characterized in that the transparent electrode (1) in the step 1) is ITO, ZnO, AZO, Ni, Au , one of Pt. 5.根据权利要求3所述的基于OLED调制的双面有机电致发光器件的制备方法，其特征在于，所述步骤2）中的连接层（7）材料为Ag，Ni或Au。 5 . The method for preparing a double-sided organic electroluminescent device based on OLED modulation according to claim 3 , wherein the material of the connecting layer ( 7 ) in the step 2) is Ag, Ni or Au. 6.根据权利要求3所述的基于OLED调制的双面有机电致发光器件的制备方法，其特征在于，所述步骤1）和3）中的第一空穴传输层（3）和第二空穴传输层（10）的材料采用成对偶联的二胺类化合物、“星形”三苯胺化合物、螺型结构和枝形的三苯胺、三芳胺聚合物、咔唑类化合物、有机硅类或有机金属配合物。 6. The method for preparing a double-sided organic electroluminescent device based on OLED modulation according to claim 3, characterized in that the first hole transport layer (3) and the second hole transport layer (3) in the steps 1) and 3) The hole transport layer (10) is made of pair-coupled diamine compounds, "star-shaped" triphenylamine compounds, triphenylamine with a spiral structure and branched structure, triarylamine polymers, carbazole compounds, organosilicon or organometallic complexes. 7.根据权利要求3所述的基于OLED调制的双面有机电致发光器件的制备方法，其特征在于，所述步骤1）和3）中的第一发光层（4）和第二发光层（11）包括发光材料和激光材料，具有能量传递的主客掺杂系统、多掺杂系统、双主体掺杂系统、以及非掺杂系统，在真空中通过共蒸的方式，调节蒸发速率来控制掺杂浓度；或旋涂过程中调节溶夜的配比浓度改变掺杂浓度。 7. The method for preparing a double-sided organic electroluminescent device based on OLED modulation according to claim 3, characterized in that the first light-emitting layer (4) and the second light-emitting layer in the steps 1) and 3) (11) Including luminescent materials and laser materials, host-guest doping systems with energy transfer, multi-doping systems, double-host doping systems, and non-doping systems, controlled by adjusting the evaporation rate by co-evaporating in vacuum Doping concentration; or adjusting the proportioning concentration of the solution during the spin coating process to change the doping concentration. 8.根据权利要求7所述的基于OLED调制的双面有机电致发光器件的制备方法，其特征在于，所述发光材料包括： 8. the preparation method of the double-sided organic electroluminescent device based on OLED modulation according to claim 7, is characterized in that, described luminescent material comprises: 红色荧光材料：DCJTB［4-(dicyanomethyene)-2-t-butyl-6(1，1，7，7-tetramethyljulolidyl-9-enyl)-4H-pyran］、RD3［tetraphenyldibenzoperiflanthene］、DPP ［6，13-diphenylpentacene］和PAAA {7-( 9-anthryl)dibenzo［a，o］perylene}； Red fluorescent material: DCJTB［4-(dicyanomethylene)-2-t-butyl-6(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran］, RD3［tetraphenyldibenzoperiflanthene］, DPP［6,13 -diphenylpentacene] and PAAA {7-(9-anthryl)dibenzo[a,o]perylene}; 蓝色荧光材料：以9，10-di(2-naphtyl)anthracene (AND)为代表性二芳基蒽衍生物、二苯乙烯芳香衍生物4,4′-Bis(2,2-diphenylvinyl)-1,1′-biphenyl (DPVBi)和diphenyl-(4-{2-[4-(2-pyridin-4-yl-vinyl)-phenyl]-vinyl}-phenyl)-amine (DPVPA)、以旋环双芴基以2,7-bis[2-(4-tert-butylphenyl)pyrimidine-5-yl]-9,9′-spirobifluorene  (TBPSF)为代表； Blue fluorescent materials: 9,10-di(2-naphtyl)anthracene (AND) as representative diaryl anthracene derivatives, stilbene aromatic derivatives 4,4′-Bis(2,2-diphenylvinyl)- 1,1′-biphenyl (DPVBi) and diphenyl-(4-{2-[4-(2-pyridin-4-yl-vinyl)-phenyl]-vinyl}-phenyl)-amine (DPVPA) Bifluorenyl is represented by 2,7-bis[2-(4-tert-butylphenyl)pyrimidine-5-yl]-9,9′-spirobifluorene (TBPSF); 绿色荧光材料：香豆素系列2,3,6,7-tetrahydro-1,1,7,7,-tetramethyl-1H,5H,11H-10-(2-benzothiazolyl) quinolizino-[9,9a,1gh] coumarin (C545T)及C545TB、多环芳香族碳氢化合物、喹吖啶酮衍生物的绿光掺杂物； Green fluorescent material: coumarin series 2,3,6,7-tetrahydro-1,1,7,7,-tetramethyl-1H,5H,11H-10-(2-benzothiazolyl) quinolizino-[9,9a,1gh ] green dopant of coumarin (C545T) and C545TB, polycyclic aromatic hydrocarbons, quinacridone derivatives; 红光磷光材料：4,4′-bis(9-carbazolyl)biphenyl (CBP)作为主体掺杂的Btp2Ir(acac) bis[2-(2'-benzothienyl)pyridinato-N,C3’](acetylacetonate) iridium、Ir(piq)3［tris［1-phenylisoquinolinato-C2，N］iriium(Ⅲ)］、Ir(BPPa)3； Red phosphorescent material: Btp 2 Ir(acac) bis[2-(2'-benzothienyl)pyridinato-N,C3'](acetylacetonate ) iridium, Ir(piq) 3 [tris[1-phenylisoquinolinato-C2, N]iriium(Ⅲ)], Ir(BPPa) 3 ; 蓝色磷光材料：EL材料FIrpic［iridiumbis(4，6-diflorophenyl-pyridinato-N，C′)picolinate、Fir6［iridium (Ⅲ) bis (4，6-difluorophenylpyridinato)tetrakis(1-pyrazoly1)borate、FIrN4［Iriium (Ⅲ) bis( 4，6-difluorophenyl-pyridinato)-5-( pyridine-2-yl)-1H-tetrazolate； Blue phosphorescent material: EL material FIrpic［iridiumbis(4,6-diflorophenyl-pyridinato-N,C′)picolinate, Fir6［iridium (Ⅲ) bis (4,6-difluorophenylpyridinato)tetrakis(1-pyrazoly1)borate, FIrN4［ Iriium (Ⅲ) bis(4,6-difluorophenyl-pyridinato)-5-(pyridine-2-yl)-1H-tetrazolate; 绿色磷光材料：Ir(ppy)3［fac-tris(2-phenylpyridine)iridium］、(ppy)2Ir(acac) ［bis(2-phenylpyridine)iridium(acetyl-acetonate)］、Ir( BPPya)3［tris［3，6-bis(phenyl)- pyridazinato - N1，C2′］iridium］。 Green phosphorescent materials: Ir(ppy) 3 [fac-tris(2-phenylpyridine)iridium], (ppy) 2 Ir(acac) [bis(2-phenylpyridine)iridium(acetyl-acetonate)], Ir(BPPya) 3 [ tris[3,6-bis(phenyl)-pyridazinato-N1,C2'] iridium]. 9.根据权利要求3所述的基于OLED调制的双面有机电致发光器件的制备方法，其特征在于，所述步骤1）和3）中的第一电子传输层（5）和第二电子传输层（12）的材料为8-羟基喹啉铝（Alq3）类金属配合物、噁二唑类化合物、喹喔啉类化合物、含氰基的聚合物、其他含氮杂环化合物、有机硅材料、全氟化材料或有机硼材料。 9. The method for preparing a double-sided organic electroluminescent device based on OLED modulation according to claim 3, characterized in that the first electron transport layer (5) and the second electron transport layer (5) in the steps 1) and 3) The material of the transmission layer (12) is 8-hydroxyquinoline aluminum (Alq3) metal complexes, oxadiazole compounds, quinoxaline compounds, cyano-containing polymers, other nitrogen-containing heterocyclic compounds, organic silicon materials, perfluorinated materials or organoboron materials. 10.根据权利要求3所述的基于OLED调制的双面有机电致发光器件的制备方法，其特征在于，所述步骤1）和3）中的第一发光层引出电极阴极（7）和第二发光层引出电极阴极（14）为金属铝或镁银合金或锂铝合金。 10. The method for preparing a double-sided organic electroluminescent device based on OLED modulation according to claim 3, characterized in that, in the steps 1) and 3), the first light-emitting layer draws out the electrode cathode (7) and the second The cathode (14) of the lead-out electrode of the second light-emitting layer is metal aluminum or magnesium-silver alloy or lithium-aluminum alloy.
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