CN104576679A - Organic light emitting display having solar cell - Google Patents
Organic light emitting display having solar cell Download PDFInfo
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- CN104576679A CN104576679A CN201410045768.0A CN201410045768A CN104576679A CN 104576679 A CN104576679 A CN 104576679A CN 201410045768 A CN201410045768 A CN 201410045768A CN 104576679 A CN104576679 A CN 104576679A
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- 229920000301 poly(3-hexylthiophene-2,5-diyl) polymer Polymers 0.000 description 17
- MCEWYIDBDVPMES-UHFFFAOYSA-N [60]pcbm Chemical compound C123C(C4=C5C6=C7C8=C9C%10=C%11C%12=C%13C%14=C%15C%16=C%17C%18=C(C=%19C=%20C%18=C%18C%16=C%13C%13=C%11C9=C9C7=C(C=%20C9=C%13%18)C(C7=%19)=C96)C6=C%11C%17=C%15C%13=C%15C%14=C%12C%12=C%10C%10=C85)=C9C7=C6C2=C%11C%13=C2C%15=C%12C%10=C4C23C1(CCCC(=O)OC)C1=CC=CC=C1 MCEWYIDBDVPMES-UHFFFAOYSA-N 0.000 description 15
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- 238000000862 absorption spectrum Methods 0.000 description 3
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- 125000004494 ethyl ester group Chemical group 0.000 description 3
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- 230000005611 electricity Effects 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 1
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- 239000004793 Polystyrene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
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- WEMNATFLVGEPEW-UHFFFAOYSA-N thiophene Chemical compound C=1C=CSC=1.C=1C=CSC=1 WEMNATFLVGEPEW-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses an organic light-emitting display with a solar cell, which comprises a substrate, at least one organic light-emitting unit and at least one solar cell unit, wherein the organic light-emitting unit is arranged on one surface of the substrate and comprises a first electrode layer, an organic light-emitting material layer and a second electrode layer, the organic light-emitting material layer is arranged between the first electrode layer and the second electrode layer, and the first electrode layer is arranged between the organic light-emitting material layer and the substrate. The solar cell unit is arranged on one side of the substrate and comprises a third electrode layer and an organic solar cell material layer, wherein the organic solar cell material layer is arranged between the second electrode layer and the third electrode layer. The organic solar cell unit can provide the effect similar to a color filter, and can also directly absorb the light rays which do not emit out of the organic light-emitting display and the external ambient light rays to convert the light energy into the electric energy, thereby improving the problem of energy loss.
Description
Technical field
The present invention relates to a kind of organic light emitting display (organic light-emitting display with solar cell, OLED), there is in particular to one the organic light emitting display of organic solar batteries (organic photovoltaic cell, OPV cell).
Background technology
Organic light emitting display is applied in by luminous organic material on matrix form display floater, reaches by the size controlling drive current the effect showing different brightness.Due to organic light emitting display have power saving, comparatively fast without angle limitations, low cost of manufacture, answer speed, can operating temperature range large and can with computer hardware the advantage such as miniaturization and slimming, therefore in the system of flat-panel screens, there is great development potentiality.But the luminous utilization ratio of conventional organic luminescence display is still not high, and its reason comprises general luminous organic material and has high index more, so the light produced easily total reflection occurs and can not penetrate organic light emitting display, causes energy dissipation.In addition, in order to avoid environment light source inject organic light emitting display after again reflect by metal electrode wherein and affect display effect, conventional organic luminescence display surface also must attach rotatory polarization sheet in addition, causes the increase of thickness and cost.
Summary of the invention
Main purpose of the present invention is to provide a kind of organic light emitting display with organic solar batteries, to reach the effect of saving energy.
The invention provides a kind of organic light emitting display with solar cell, it comprises a substrate, at least one organic light-emitting units and at least one solar battery cell.Organic light-emitting units is the one side being arranged on substrate, comprise one first electrode layer, an organic light emitting material and a second electrode lay, wherein this organic light emitting material is arranged between this first electrode layer and this second electrode lay, and this first electrode layer is arranged between this organic light emitting material and this substrate.Solar battery cell is arranged on the one side of substrate, and comprises a third electrode layer and an organic solar battery material layer, and this organic solar battery material layer is arranged between this second electrode lay and this third electrode layer.
Preferably, this organic light emitting display with solar cell also comprises a surface plasma excimer layer, is arranged between this organic solar battery material layer and this third electrode layer.
Preferably, this surface plasma excimer layer also comprises an electric hole injection material, using the electric hole implanted layer simultaneously as this solar battery cell.
Preferably, this second electrode lay and this third electrode layer comprise transparent conductive material respectively.
Preferably, this second electrode lay is used for being used as the negative electrode of this organic light-emitting units and this solar battery cell simultaneously, and this first electrode layer and this third electrode layer are used for being used as the anode of this organic light-emitting units and the anode of this solar battery cell respectively.
Preferably, this organic solar batteries also comprises one the 4th electrode layer, is arranged between this second electrode lay and this organic solar battery material layer, and the 4th electrode layer is intended for the negative electrode of this solar battery cell.
Preferably, the 4th electrode layer comprises transparent conductive material.
Preferably, this organic light emitting display with solar cell also comprises an adhesion layer and is arranged between the 4th electrode layer and this second electrode lay, is used for this solar battery cell is fixed on this organic light-emitting units.
Preferably, this substrate is provided with at least one first dot structure, at least one second dot structure and at least one 3rd dot structure, and this first dot structure, this second dot structure and the 3rd dot structure comprise an organic light-emitting units and a solar battery cell respectively, wherein this first dot structure, this second dot structure and the 3rd dot structure are used for producing different primitive color lights, with display frame respectively.
Preferably, this organic light-emitting units in this first dot structure is used for producing ruddiness, this organic light-emitting units in this second dot structure is used for producing green glow, and this organic light-emitting units in the 3rd dot structure be used for produce blue light, and the light that respectively this solar battery cell in this first, second and third dot structure can allow corresponding respectively this organic light-emitting units produce is towards the injection of this third electrode layer, and the light that absorption is injected by the outside of this organic light emitting display is to convert electric energy to.
Preferably, this first, second and the 3rd dot structure in this organic light-emitting units can produce white light, and this organic solar battery material layer in this first dot structure is used to be used as the use of ruddiness filter, this organic solar battery material layer in this second dot structure is used to be used as green glow filter and uses, and this organic solar battery material layer in the 3rd dot structure is used to be used as blue filter use.
Preferably, this organic light emitting display with solar cell also comprises this first dot structure multiple, this second dot structure multiple and multiple 3rd dot structure, be arranged in a matrix, the generating circuit of those solar battery cells wherein in those solar battery cells in those first dot structures, those solar battery cells in those second dot structures and those the 3rd dot structures is independent in parallel mutually.
Organic light emitting display of the present invention comprises the organic solar batteries unit being arranged on organic light-emitting units emission side, because organic solar batteries unit can provide the effect of similar colored filter, obviously can not affect the emitting brightness of conventional organic luminescence display, the ambient light that also directly can absorb the light not penetrating organic light emitting display and be injected by outside, and transform light energy is become electric energy, therefore the problem of energy dissipation can be improved, and organic light emitting display of the present invention does not need additionally to arrange rotatory polarization sheet again, can save cost.
Accompanying drawing explanation
Fig. 1 is the generalized section that the present invention has the first embodiment of the organic light emitting display of solar cell.
Fig. 2 is the absorption spectrum curve schematic diagram of CuPc material.
The circuit connection diagram of each dot structure that Fig. 3 is the organic light emitting display shown in Fig. 1.
Fig. 4 is the generalized section that the present invention has the second embodiment of the organic light emitting display of solar cell.
Fig. 5 is the generalized section that the present invention has the 3rd embodiment of the organic light emitting display of solar cell.
Fig. 6 is the generalized section that the present invention has the 4th embodiment of the organic light emitting display of solar cell.
Wherein, description of reference numerals is as follows:
Embodiment
Please refer to Fig. 1, Fig. 1 is the generalized section that the present invention has the first embodiment of the organic light emitting display of solar cell.Organic light emitting display 10 of the present invention comprises a substrate 12, it is such as a glass substrate, substrate is provided with multiple dot structure and is arranged in a matrix, the present embodiment illustrates with the first dot structure 68, second dot structure 70 and the 3rd dot structure 72, wherein the first dot structure 68 is used for producing ruddiness, second dot structure 70 is used for producing green glow, and the 3rd dot structure 72 is used for producing blue light.First dot structure 68, second dot structure 70 and the 3rd dot structure 72 comprise one first organic light-emitting units 56,1 second organic light-emitting units 58 and one the 3rd organic light-emitting units 60 respectively.First organic light-emitting units 56 comprises one first electrode layer 14, organic light emitting material 22 and a second electrode lay 28 is from bottom to top sequentially arranged on a surperficial 12a of substrate 12, that is organic light emitting material 22 is arranged between the first electrode layer 14 and the second electrode lay 28, and the first electrode layer 14 is arranged between organic light emitting material 22 and substrate 12.Second organic light-emitting units 58 comprises one first electrode layer 16, organic light emitting material 24 and a second electrode lay 30 is from bottom to top sequentially arranged on the surperficial 12a of substrate 12.3rd organic light-emitting units 50 comprises one first electrode layer 18, organic light emitting material 26 and a second electrode lay 32 is from bottom to top sequentially arranged on the surperficial 12a of substrate 12.For example, the organic light emitting display 10 of the present embodiment is a top emission type (top emission type) organic light emitting display, first electrode layer 14, 16, 18 respectively as the first organic light-emitting units 56, the anode of the second organic light-emitting units 58 and the 3rd organic light-emitting units 60, opaque and the reflexive electric conducting material of tool can be comprised, such as silver waits metal material, and to be goodly made up of same reflection conductive layer 20, and the second electrode lay 28, 30, 32 respectively as the first organic light-emitting units 56, the negative electrode of the second organic light-emitting units 58 and the 3rd organic light-emitting units 60, transparent conductive material can be comprised, such as tin indium oxide, and to be goodly made up of same transparency conducting layer 34, but not as limit.In addition, organic light emitting material 22, organic light emitting material 24, organic light emitting material 26 comprise the luminous organic material that can produce ruddiness, green glow and blue light respectively, and the material therefore included by three is better incomplete same, but not as limit.
Organic light emitting display 10 also comprises multiple solar battery cell 62,64,66, is separately positioned on the first organic light-emitting units 56, second organic light-emitting units 58 and the 3rd organic light-emitting units 60.Solar battery cell 62 comprises the organic solar battery material layer 36 be arranged on the second electrode lay 28 and the third electrode layer 48 be arranged on solar cell material layer 36, that is solar cell material layer 36 is between third electrode layer 48 and the second electrode lay 28.In addition, solar battery cell 62 optionally also comprises a surface plasma excimer (surface plasomon polariton, SPP) layer 42 and is arranged between organic solar battery material layer 36 and third electrode layer 48.Similarly, the third electrode layer 50 that solar battery cell 64 comprises the organic solar battery material layer 38 be arranged on the second electrode lay 30, is arranged on the selective surface's electricity slurry excimer layer 44 on organic solar battery material layer 38 and is arranged on surface plasma excimer layer 44, and solar battery cell 66 comprises an organic solar battery material layer 40, and optionally surface plasma excimer layer 46 and a third electrode layer 52 are from bottom to top sequentially arranged on the second electrode lay 32.In the present embodiment, third electrode layer 48,50,52 is respectively as the anode of solar battery cell 62,64,66, it is preferably transparent conductive material, it is such as tin indium oxide, and third electrode layer in solar battery cell 62,64,66 48,50,52 goodly can be made up of same transparency conducting layer, or formed by same technique.In addition, as shown in FIG., the second electrode lay 28,30,32 also can be considered as a part for the solar battery cell 62,64,66 of the present embodiment respectively, respectively as the negative electrode of solar battery cell 62,64,66, that is in the first dot structure 68, solar battery cell 62 and the first organic light-emitting units 56 common cathode, in the second dot structure 70, solar battery cell 64 and the second organic light-emitting units 58 common cathode, and in the 3rd dot structure 72, solar battery cell 66 and the 3rd organic light-emitting units 60 common cathode.Moreover in a preferred embodiment, organic light emitting display 10 alternative comprises a protective layer 54, is arranged on the surface of solar battery cell 62,64,66.
The material of the organic solar battery material layer 36,38,40 of the present embodiment is exemplified as poly-(3-hexyl thiophene), and (poly (3-Hexylthiophene), P3HT, chemical structural formula is
) (phenyl-C poly-with phenyl-C61-methyl butyrate
61-butyric-acid-methyl-ester, PCBM, chemical structural formula is
) the film that formed of composite material (representing with P3HT:PCBM below), wherein P3HT is as donor, and PCBM is as acceptor, using the active layers as organic solar batteries.In addition, because P3HT:PCBM is better for absorption that is blue, green glow, therefore in a preferred embodiment of the invention, P3HT:PCBM in organic solar battery material layer 36,38,40 can adulterate and the dyestuff of its absorption spectrum complementation, as phthalocyanine material such as copper phthalein green grass or young crops (copper Phthalocyanine, CuPc).For CuPc, please refer to Fig. 2, Fig. 2 shows the absorption spectrum of CuPc material, and because CuPc is better than P3HT:PCBM for the absorption of ruddiness and infrared light, therefore the P3HT:PCBM of doped with Cu Pc can simultaneously stability ruddiness, blue light, green glow and infrared light.Moreover, in a preferred embodiment of the invention, organic solar battery material layer 36,38,40 only can have the thickness of about 50 nanometer to 100 nanometers, under the thickness that this is very thin, although the P3HT:PCBM of doping phthalocyanine material can simultaneously stability ruddiness, blue light, green glow and infrared light, but organic solar battery material layer 36,38,40 can be considered translucent material layers, most of red, green, blue that first, second, third organic light-emitting units 56,58,60 of below can be allowed to produce passes through with display frame.
On the other hand; surface plasma excimer layer 42,44,46 of the present invention can comprise various Nanosized metal or semiconductor matrix; such as comprise goldc grains or the silver granuel of nano-scale; incident ray can be made to form standing wave on organic solar battery material layer 36,38,40 surface, improve absorption efficiency and the generating efficiency of organic solar battery material layer 36,38,40.In a preferred embodiment, the thickness of surface plasma excimer layer 42,44,46 is relevant to the nano metal size included by it, and such as, the particle diameter of nano-scale gold particle is preferably about 30 to 60 nanometers, and the particle diameter of nanometer silver granuel is preferably about 50 to 100 nanometers, but not as limit.From the above, by coordinating of surface plasma excimer layer 42,44,46 and organic solar battery material layer 36,38,40, only need very thin organic solar battery material layer 36,38,40 just can reach good absorptivity and generating efficiency, the material cost of organic solar batteries can be saved.It should be noted that, due to surface plasma excimer layer 42, 44, 46 is be arranged on organic solar battery material layer 36, 38, the upside of 40, therefore surface plasma excimer layer 42, 44, 46 can make the ambient light (ambient light namely injected by upside in Fig. 1) being injected organic light emitting display 10 by outside form standing wave effectively, and then by organic solar battery material layer 36, 38, 40 absorptions convert electric energy to, more significantly can reduce ambient light by bottom first electrode layer 14, 16, 18 reflect and affect display effect, therefore organic light emitting display 10 of the present invention does not need the rotatory polarization sheet in conventional organic luminescence display just effectively can avoid the reflection of ambient light.On the other hand, again because the very thin thickness of organic solar battery material layer 36,38,40, therefore the light that on the downside of it, first, second, third organic light-emitting units 56,58,60 produces can't be absorbed by solar battery cell 62,64,66 substantially, can upwards penetrate organic light emitting display 10 with display frame through solar battery cell 62,64,66.For the first dot structure 68, most of ruddiness that organic light emitting material 22 produces can through solar battery cell 62 and upwards penetrate with display frame, second and the 3rd dot structure 70,72 also have analogue, therefore to repeat no more.Therefore, solar battery cell 62,64,66 of the present invention has the effect of similar one-sided optical filtering, the light that downside first, second, third organic light-emitting units 56,58,60 can be allowed to produce by and penetrated by upside, and absorb the ambient light being injected organic light emitting display 10 by upside.
Moreover, in other embodiments, surface plasma excimer layer 42, 44, the 46 electric hole injection materials that also can comprise organic solar batteries, such as polyethylene dioxy plug fen/polystyrolsulfon acid receives (polyethylene dioxythiophene/polystyrene sulphonate, PEDOT:PSS), even if also surface plasma excimer material and electric hole injection material are combined into same layer, as solar battery cell 62, 64, the resilient coating of 66, wherein PEDOT:PSS can make the electric hole of separation effectively flow to anode, and block electron stream to anode, to promote electricity generation efficiency.In addition, in other embodiments, the organic solar battery material layer 36,38,40 of first, second and third dot structure 68,70,72 can comprise different materials, such as adulterate different dyestuffs, with the effect making organic solar battery material layer 36,38,40 have glory filter, such as make organic solar battery material layer 36,38,40 have the effect of ruddiness filter, green glow filter and blue filter respectively, the material of relevant organic solar battery material layer 36,38,40 more will elaborate in third embodiment of the invention.In addition; organic light emitting display 10 of the present invention also can comprise the upside that a substrate or other protective layers are arranged on substrate 12; and the assembly such as switch module and wire comprising first, second, third organic light-emitting units 56,58,60 is located at the surface of substrate 12; owing to being not main introductory section of the present invention, not therefore being shown in accompanying drawing and being described in detail.
Please refer to Fig. 3, Fig. 3 is the circuit connection diagram of each dot structure in the organic light emitting display 10 shown in Fig. 1.The organic light emitting display 10 of the present embodiment comprises multiple dot structure being arranged in matrix, in order to make accompanying drawing be easily understood, the plan structure only respectively showing two the first dot structures, 68, two the second dot structures 70 and two the 3rd dot structures 72 in figure 3 represent using as explanation with illustrate.As shown in Figure 3, be separate with black-matrix layer 80 between the first adjacent dot structure 68, second dot structure 70 and the 3rd dot structure 72.Solar battery cell 62 in the present embodiment in each first dot structure 68 is connected in parallel to each other by wire 82, and be electrically connected to adjuster 88, solar battery cell 64 in each second dot structure 70 is connected in parallel to each other by wire 84, and be electrically connected to adjuster 88, solar battery cell 66 in 3rd dot structure 72 is connected in parallel to each other by wire 86, and is electrically connected to adjuster 88.That is the solar battery cell 66 of the solar battery cell 62 of each first dot structure 68, the solar battery cell 64 of each second dot structure 70 and each 3rd dot structure 72 is independent in parallel separately.Under this design, can avoid causing the electric current difference produced that thus energy dissipation occurs because of the wavelength of light difference absorbed in different colours dot structure, but not as limit.From the above, because solar battery cell 62, solar battery cell 64 and solar battery cell 66 mainly absorb the various ambient lights by upside incidence, therefore in another preferred embodiment, solar battery cell 62, solar battery cell 64 and solar battery cell 66 in each first dot structure 68, second dot structure 70 and the 3rd dot structure 72 also can be in parallel together and be electrically connected to adjuster 88 by same wiring system.
The organic light emitting display that the present invention has solar cell is not limited with above-described embodiment.Hereafter introduce other embodiments of the invention or change type by continuing, for the purpose of simplifying the description and highlight each embodiment or change shape between difference, hereinafter use identical label mark same components, and no longer counterweight again part repeat.
Please refer to Fig. 4, Fig. 4 is the generalized section that the present invention has the second embodiment of the organic light emitting display of solar cell.The present embodiment has the organic light emitting display 90 of solar cell and is in from the different of previous embodiment and comprises one the 4th electrode layer 76 respectively in each solar battery cell 62,64,66, be separately positioned between organic solar battery material layer 36 and the second electrode lay 28, between organic solar battery material layer 38 and the second electrode lay 30 and be arranged between organic solar battery material layer 40 and the second electrode lay 32, being used for being used as the negative electrode of solar battery cell 62,64,66 respectively.Therefore, in the present embodiment, solar battery cell 62,64,66 and first, second, third organic luminescence display unit 56,58,60 does not share negative electrode.In addition, be respectively equipped with an adhesion layer 74 between solar battery cell 62,64,66 and first, second, third organic luminescence display unit 56,58,60 of the present embodiment, be used for solar battery cell 62,64,66 to be fixed on first, second, third organic luminescence display unit 56,58,60.In other change types of the present embodiment, between solar battery cell 62,64,66 and first, second, third organic luminescence display unit 56,58,60, also any adhesion layer can not be set, such as, only have air to exist between the two, but not as limit.
Please refer to Fig. 5, Fig. 5 is the generalized section that the present invention has the 3rd embodiment of the organic light emitting display of solar cell.Have in the organic light emitting display 92 of solar cell in the present invention, first, second, third organic light-emitting units 56,58,60 all produces white light, therefore the organic light emitting material 78 included by first, second, third organic light-emitting units 56,58,60 can have identical material, that is via producing the material of white light after each negative electrode 28,30,32 and each anode 14,16,18 conducting.Under this design, still ruddiness, green glow and blue light is produced respectively in order to allow first, second and third dot structure 68,70,72, therefore organic solar battery material layer 96a, 96b, 96c of solar battery cell 62,64,66 are used as ruddiness filter, green glow filter and blue filter to use respectively, therefore in a preferred embodiment, its thickness can be greater than the thickness of the organic solar battery material layer in previous embodiment, and such as thickness is about 500 to 100 nanometers.
In the present embodiment, the organic solar battery material layer 96a being used as ruddiness filter can comprise and absorb good P3HT:PCBM material for blue light and green glow, goodly can mix several C60 derivatives with different thiophene (thiophene) by P3HT:PCBM material and be formed, such as, with chemical structural formula be
([6,6] phenyl-C61-butyric acid 2-(2 ', 2 ": 5 ", 2 " '-terthiophene-5 '-yl) ethyl ester, PCBTTE),
([6,6] phenyl-C61-butyric acid 2-(2 ', 2 "-bithiophene-5 '-yl) ethyl ester, PCBBTE) and
([6,6] phenyl-C61-butyric acid 2-(2 '-thienyl) ethyl ester, PCBTE) material mixes with P3HT:PCBM, the organic solar battery material layer 96a formed can the green glow of effective absorbing wavelength to be the blue light of about 450 to 520 nanometers and wavelength be about 520 to 622 nanometers, and allows wavelength be that the ruddiness of about 622 to 700 nanometers penetrates.Its production method PCBTTE, PCBBTE and PCBTE can be used as surfactants in varing proportions, is mixed into solution with P3HT:PCBM, then is coated on substrate, forms organic solar battery material layer 96a through annealing.On the other hand, the material being used as the organic solar battery material layer 96b of green glow filter is preferably the P3HT:PCBM material comprising dyestuff CuPC, it can the ruddiness of absorbing wavelength to be the blue light of about 450 to 520 nanometers and wavelength be about 622 to 700 nanometers, and allow wavelength be that the green glow of about 520 to 560 nanometers penetrates.Its production method is based on P3HT:PCBM, adds CuPC dyestuff with absorptive red light and blue light.Similarly, the material being used as the organic solar battery material layer 96c of blue filter is preferably and comprises dyestuff (C41H53FO4S4) n(structural formula and be
poly [[4,8-bis [(2-ethylhexyl) oxy] benzo [1,2-b:4,5-b '] dithiophene-2,6-diyl] [3-fluoro-2-[(2-ethylhexyl) carbonyl] thieno [3,4-b] thiophenediyl]], PTB7) P3HT:PCBM material, it can the ruddiness of absorbing wavelength to be the green glow of about 520 to 622 nanometers and wavelength be about 622 to 700 nanometers, and allow wavelength be that the blue light of about 450 to 520 nanometers penetrates.Under this design, organic solar battery material layer 96a, 96b, 96c are used as colored filter simultaneously and use in each dot structure, although therefore the organic light emitting material 78 of each first, second, third organic light-emitting units 56,58,60 all produces white light, but white light is after organic solar battery material layer 96a, 96b, 96c, just respectively by the light of absorption portion wavelength by first, second and third dot structure 68,70,72 respectively to upper injection ruddiness, green glow and blue light.The white light produced for the first dot structure 68, first organic light-emitting units 56 is after organic solar battery material layer 96a, because absorbed blue light and green glow by organic solar battery material layer 96a, the light therefore upwards penetrated is only ruddiness.Therefore, organic solar battery material layer 96a, 96b, 96c of the present embodiment can take into account the function filtered with generating, whereby, organic light emitting display 92 does not need additionally to arrange traditional colored filter, can save thicknesses of layers and reach the function reducing energy dissipation.
It should be noted that, due to the organic solar battery material layer 96a as colored filter, 96b, 96c can absorb the light of different wave length respectively, therefore electric current of its conversion or the voltage that causes not identical yet, therefore the energy dissipation in order to avoid causing during series winding, the circuit connecting mode of organic light emitting display 92 can be as shown in Figure 3, that is first solar battery cell 62 in dot structure 68, the generating circuit of the solar battery cell 66 in the solar battery cell 64 in the second dot structure 70 and the 3rd dot structure 72 is better mutual independent in parallel, but not as limit.In addition; the solar battery cell 62,64,66 of the present embodiment organic light emitting display 92 is shared the second electrode lay 28,30,32 with first, second, third organic light-emitting units 56,58,60 respectively and is used as negative electrode, and organic light emitting display 92 does not comprise the protective layer 54 shown in Fig. 1.But in other change types of the present embodiment, organic light emitting display 92 also alternative comprises a protective layer, is located at the upside of solar battery cell 62,64,66.
Please refer to Fig. 6, Fig. 6 is the generalized section that the present invention has the 4th embodiment of the organic light emitting display of solar cell.With the 3rd embodiment unlike, the solar battery cell 62,64,66 of the present embodiment organic light emitting display 94 separately comprises one the 4th electrode layer 76 respectively, using the negative electrode as each solar battery cell 62,64,66, the therefore negative electrode of solar battery cell 62,64,66 and negative electrode (the second electrode lay 28,30, the 32) independence separately of first, second, third organic light-emitting units 56,58,60.In addition, the solar battery cell 62,64,66 of the present embodiment can be used as the covering layer (cap layer) of first, second, third organic light-emitting units 56,58,60, be set directly at the upside of organic light-emitting units 56,58,60, but in other change types, adhesion layer can be set in addition between solar battery cell 62,64,66 and first, second, third organic light-emitting units 56,58,60, solar battery cell 62,64,66 be fixed on above first, second, third organic light-emitting units 56,58,60.
Separately note that in foregoing about the implementation being arranged on substrate surface does not limit each rete in solar cell or assembly directly contact must be arranged on substrate surface.
From the above, the organic light emitting display that the present invention has solar cell utilizes surface plasma excimer layer to combine with the organic solar battery material film partly penetrating effect, be arranged on the upside of organic light-emitting units, can recycle organic light-emitting units produce but do not penetrate the light of organic light emitting display, absorbed and be converted to electric energy, also can absorb the ambient light injected by outside simultaneously, avoid ambient light reflects to affect display effect, replace the function of rotatory polarization sheet in traditional monitor.Moreover, by arranging surface plasma excimer layer, effectively can improve organic solar battery material to the assimilation effect of light and energy utilization efficiency, so do not need to arrange very thick organic solar battery material layer.Accordingly, there is according to the present invention the structure of the organic light emitting display of solar cell, material cost and thicknesses of layers can be reduced, improve energy dissipation problem simultaneously.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. have an organic light emitting display for solar cell, it is characterized in that, it comprises:
One substrate;
At least one organic light-emitting units is arranged on the one side of this substrate, this organic light-emitting units comprises one first electrode layer, an organic light emitting material and a second electrode lay, this organic light emitting material is arranged between this first electrode layer and this second electrode lay, and this first electrode layer is arranged between this organic light emitting material and this substrate; And
At least one solar battery cell, is arranged on the one side of this substrate, and this solar battery cell comprises: a third electrode layer; And
One organic solar battery material layer, this organic solar battery material layer is arranged between this second electrode lay and this third electrode layer.
2. the organic light emitting display with solar cell according to claim 1, is characterized in that, also comprises a surface plasma excimer layer, is arranged between this organic solar battery material layer and this third electrode layer.
3. the organic light emitting display with solar cell according to claim 2, is characterized in that, this surface plasma excimer layer also comprises an electric hole injection material, using the electric hole implanted layer simultaneously as this solar battery cell.
4. the organic light emitting display with solar cell according to claim 1, is characterized in that, this second electrode lay and this third electrode layer comprise transparent conductive material respectively.
5. the organic light emitting display with solar cell according to claim 1, it is characterized in that, this the second electrode lay is used for being used as the negative electrode of this organic light-emitting units and this solar battery cell simultaneously, and this first electrode layer and this third electrode layer are used for being used as the anode of this organic light-emitting units and the anode of this solar battery cell respectively.
6. the organic light emitting display with solar cell according to claim 1, it is characterized in that, this organic solar batteries unit also comprises one the 4th electrode layer, be arranged between this second electrode lay and this organic solar battery material layer, and the 4th electrode layer is intended for the negative electrode of this solar battery cell.
7. the organic light emitting display with solar cell according to claim 6, is characterized in that, the 4th electrode layer comprises transparent conductive material.
8. the organic light emitting display with solar cell according to claim 6, it is characterized in that, also comprise an adhesion layer to be arranged between the 4th electrode layer and this second electrode lay, be used for this solar battery cell is fixed on this organic light-emitting units.
9. the organic light emitting display with solar cell according to claim 1, it is characterized in that, this substrate is provided with at least one first dot structure, at least one second dot structure and at least one 3rd dot structure, and this first dot structure, this second dot structure and the 3rd dot structure comprise an organic light-emitting units and a solar battery cell respectively, wherein this first dot structure, this second dot structure and the 3rd dot structure are used for producing different primitive color lights, with display frame respectively.
10. the organic light emitting display with solar cell according to claim 9, it is characterized in that, this organic light-emitting units in this first dot structure is used for producing ruddiness, this organic light-emitting units in this second dot structure is used for producing green glow, and this organic light-emitting units in the 3rd dot structure be used for produce blue light, and this first, the light that respectively this solar battery cell in second and third dot structure can allow corresponding respectively this organic light-emitting units produce penetrates towards this third electrode layer, and the light that absorption is injected by the outside of this organic light emitting display is to convert electric energy to.
11. organic light emitting display with solar cell according to claim 9, it is characterized in that, this first, second and the 3rd dot structure in this organic light-emitting units can produce white light, and this organic solar battery material layer in this first dot structure is used to be used as the use of ruddiness filter, this organic solar battery material layer in this second dot structure is used to be used as green glow filter and uses, and this organic solar battery material layer in the 3rd dot structure is used to be used as blue filter use.
12. organic light emitting display with solar cell according to claim 9, it is characterized in that, also comprise this first dot structure multiple, this second dot structure multiple and multiple 3rd dot structure, be arranged in a matrix, the generating circuit of those solar battery cells wherein in those solar battery cells in those first dot structures, those solar battery cells in those second dot structures and those the 3rd dot structures is independent in parallel mutually.
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| Application Number | Priority Date | Filing Date | Title |
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| TW102136818A TW201515206A (en) | 2013-10-11 | 2013-10-11 | Organic light-emitting display with photovoltaic cell |
| TW102136818 | 2013-10-11 |
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| CN104576679A true CN104576679A (en) | 2015-04-29 |
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| TW201515206A (en) | 2015-04-16 |
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