CN112802972A - Electroluminescent device of polycarbonate substrate and preparation method - Google Patents
Electroluminescent device of polycarbonate substrate and preparation method Download PDFInfo
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- CN112802972A CN112802972A CN202011624027.XA CN202011624027A CN112802972A CN 112802972 A CN112802972 A CN 112802972A CN 202011624027 A CN202011624027 A CN 202011624027A CN 112802972 A CN112802972 A CN 112802972A
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- polycarbonate substrate
- hole transport
- layer
- electroluminescent device
- solution
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- 239000000758 substrate Substances 0.000 title claims abstract description 40
- 239000004417 polycarbonate Substances 0.000 title claims abstract description 36
- 229920000515 polycarbonate Polymers 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 230000005525 hole transport Effects 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims description 18
- 238000007650 screen-printing Methods 0.000 claims description 14
- 238000007639 printing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 229910010272 inorganic material Inorganic materials 0.000 claims description 6
- 239000011147 inorganic material Substances 0.000 claims description 6
- 239000002861 polymer material Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- 229910052960 marcasite Inorganic materials 0.000 claims description 4
- 229920005749 polyurethane resin Polymers 0.000 claims description 4
- 229910052683 pyrite Inorganic materials 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- PDZKZMQQDCHTNF-UHFFFAOYSA-M copper(1+);thiocyanate Chemical compound [Cu+].[S-]C#N PDZKZMQQDCHTNF-UHFFFAOYSA-M 0.000 claims description 3
- 150000007857 hydrazones Chemical class 0.000 claims description 3
- 229920000548 poly(silane) polymer Polymers 0.000 claims description 3
- -1 poly-p-phenylene ethylene Chemical compound 0.000 claims description 3
- 229920000123 polythiophene Polymers 0.000 claims description 3
- 125000005259 triarylamine group Chemical group 0.000 claims description 3
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000011521 glass Substances 0.000 abstract description 7
- 230000006750 UV protection Effects 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229920004142 LEXAN™ Polymers 0.000 description 1
- 239000004418 Lexan Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
-
- 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
- H10K50/115—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising active inorganic nanostructures, e.g. luminescent quantum dots
-
- 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]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
- H10K50/155—Hole transporting layers comprising dopants
-
- 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
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/15—Deposition of organic active material using liquid deposition, e.g. spin coating characterised by the solvent used
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention relates to an electroluminescent device of a polycarbonate substrate and a preparation method thereof, wherein the electroluminescent device comprises the polycarbonate substrate, a transparent conducting layer coated on the polycarbonate substrate, a hole transport layer and a luminescent layer. The polycarbonate substrate electroluminescent device prepared by the preparation method has the advantages of good scratch and collision resistance, portability, one-step shaping of the product and easy processing. The ultraviolet resistance is better than that of a common plastic substrate; the weight is light, and the density is only one twelfth of that of the glass.
Description
Technical Field
The invention relates to an electroluminescent device, in particular to an electroluminescent device with a polycarbonate substrate and a preparation method thereof.
Background
An electroluminescent device (LED) refers to a display device that emits light by being excited by an electroluminescent material, and has been a research hotspot in the display field.
The traditional electroluminescent device is generally prepared by taking glass or a film as a base material, wherein the electroluminescent device of the glass base material is fragile and is easy to collide to cause the device to be damaged and inconvenient to transport; electroluminescent devices with thin film substrates are susceptible to breakage and require secondary shaping during use. Specifically, the electroluminescent device using the glass substrate has the disadvantages of fragility, heaviness and poor impact resistance, while the electroluminescent device using the film substrate has the disadvantages of easy breakage and secondary setting during use.
However, the method for preparing the electroluminescent device in the prior art can not meet the requirement by directly replacing the base material or removing the conductive paste or plating the conductive layer film.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electroluminescent device with a polycarbonate substrate and a preparation method thereof.
The technical scheme for solving the technical problems is as follows: an electroluminescent device of a polycarbonate substrate comprises the polycarbonate substrate, a transparent conducting layer coated on the polycarbonate substrate, a hole transport layer and a luminescent layer; the luminous layer comprises the following components, and the volume fraction of each component is 50% of ZnS-Cu solution, 45% of oil polyurethane resin and 5% of curing agent MDI diphenylmethane diisocyanate; the components of the hole transport layer comprise the following components, and the volume fraction of each component is 20% of PVC resin, 30% of butanone solution, 30% of toluene and 20% of hole transport material.
The technical scheme of the invention has the beneficial effects that: the scratch and collision resistance is good, the product is light and convenient, and the product is shaped at one time and easy to process; the ultraviolet resistance is better than that of a common plastic substrate; the weight is light, and the density is only one twelfth of that of the glass.
The technical scheme of the invention also comprises the following further scheme:
further, the hole transport material comprises one or more of an inorganic material, a polymer material and an organic small molecule material; wherein the inorganic material comprises FeS2One or more of CuSCN, NiO and CuI; the polymer material comprises one or more of poly-p-phenylene ethylene, polythiophene or polysilane; the organic small molecular material comprises one or more of triphenylmethane, triarylamine or hydrazone.
Further, the transparent conducting layer is made of carbon nano tube transparent conducting ink.
The invention relates to a preparation method of an electroluminescent device of a polycarbonate substrate, which comprises the following steps:
a. printing a transparent conductive layer on the polycarbonate substrate by using a screen printing plate, and putting the polycarbonate substrate into an oven for treatment, wherein the treatment temperature is 88-132 ℃, and the treatment time is 2.4-3.6 min;
b. respectively preparing a solution of the light-emitting layer and a solution of the hole transport layer according to the components and the volume parts;
c. b, printing the hole transport layer solution prepared in the step b on the transparent conductive layer by using a screen printing plate, and then putting the printed hole transport layer solution into an oven for treatment, wherein the treatment temperature is 88-132 ℃, and the treatment time is 2.4-3.6 min;
d. and c, printing the luminescent layer solution prepared in the step b on the hole transport layer processed in the step c by using a screen printing plate, and then putting the printed luminescent layer solution into an oven for processing, wherein the processing temperature is 88-132 ℃, and the processing time is 2.4-3.6 min.
The method has the beneficial effects that: the coating of the electroluminescent device is directly printed on the polycarbonate substrate in a screen printing mode, the polycarbonate substrate integrates the strength of glass and the toughness of a film, secondary shaping is not needed, and the applicability of the product is further improved.
Further, in the step a, the thickness range of the transparent conducting layer is 0.2um-2 um.
Further, in the step a, the thickness range of the transparent conductive layer is 0.8 um.
Further, the screen used in the step a is a 300-mesh screen.
Further, in the step a, the step c and the step d, the treatment temperature in the oven is 110 ℃, and the treatment time is 3 min.
Further, the screen printing plates used in the step c and the step d are 250-mesh screen printing plates.
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
The invention relates to an electroluminescent device of a polycarbonate substrate, which comprises the polycarbonate substrate, a transparent conducting layer coated on the polycarbonate substrate, a hole transport layer and a light-emitting layer; the components of the luminous layer comprise the following components, and the volume fraction of each component is 50% of ZnS-Cu solution, 45% of oil polyurethane resin and 5% of curing agent MDI diphenylmethane diisocyanate; the hole transport layer comprises the following components, and the volume fraction of each component is 20% of PVC resin, 30% of butanone solution, 30% of TOL and 20% of hole transport material; the electroluminescent device of the invention adopts the polycarbonate substrate, has good scratch and collision resistance, is portable, and can be shaped at one time and processed easily. The ultraviolet resistance is better than that of a common plastic substrate. The weight is light, and the density of the vacuum PC board is only one twelfth of that of glass.
Preferably, the oil-based polyurethane resin of the present invention has a designation of CX-718.
Preferably, the PVC resin of the present invention has the designation DRL-K50.
The hole transport material comprises one or more of inorganic materials, polymer materials and organic small molecule materials; wherein the inorganic material comprises FeS2One or more of CuSCN, NiO and CuI; the polymer material comprises one or more of poly-p-phenylene ethylene, polythiophene or polysilane; the organic small molecular material comprises one or more of triphenylmethane, triarylamine or hydrazone.
Preferably, the hole transport material is FeS2。
The transparent conductive layer is made of carbon nano tube transparent conductive ink.
Preferably, the carbon nanotube transparent conductive ink is a screen printed conductive ink under the designation VC102 from the company chamm.
The polycarbonate substrate of the present invention is a GE (LEXAN) board having the designation 943, or LG-DOW board having the designation 303-10.
The invention relates to a preparation method of an electroluminescent device of a polycarbonate substrate, which comprises the following steps:
a. printing a transparent conductive layer on the polycarbonate substrate by using a screen printing plate, and putting the polycarbonate substrate into an oven for treatment, wherein the treatment temperature is 88-132 ℃, and the treatment time is 2.4-3.6 min; through the treatment temperature and time, the thickness uniformity of the printing layer can be ensured, so that the printing effect is improved.
b. Respectively preparing a solution of the light-emitting layer and a solution of the hole transport layer according to the components and the volume parts;
c. b, printing the hole transport layer solution prepared in the step b on the transparent conductive layer by using a screen printing plate, and then putting the printed hole transport layer solution into an oven for treatment, wherein the treatment temperature is 88-132 ℃, and the treatment time is 2.4-3.6 min; by the treatment temperature and time, the uniformity of the printing thickness of the hole transport layer can be ensured.
d. And c, printing the luminescent layer solution prepared in the step b on the hole transport layer processed in the step c by using a screen printing plate, and then putting the printed luminescent layer solution into an oven for processing, wherein the processing temperature is 88-132 ℃, and the processing time is 2.4-3.6 min.
According to the preparation method of the electroluminescent device of the polycarbonate substrate, the transparent conducting layer is directly printed on the polycarbonate substrate through the screen printing, and the hole transport layer and the luminescent layer are sequentially printed through the screen printing, so that the electroluminescent device has a self-conducting effect, and the conducting layer does not need to be specially prepared.
Preferably, in the step a, the thickness of the transparent conductive layer ranges from 0.2um to 2 um; the transparent conductive layer with the thickness range has the advantages of being convenient to print uniformly and not easy to break.
Preferably, in step a, the thickness of the transparent conductive layer is in the range of 0.8 um.
Preferably, the screen used in step a is a 300-mesh screen.
Preferably, in the step a, the step c and the step d, the treatment temperature in the oven is 110 ℃, and the treatment time is 3 min.
Preferably, the screen used in step c and step d is a 250-mesh screen.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. An electroluminescent device of a polycarbonate substrate is characterized by comprising the polycarbonate substrate, a transparent conducting layer coated on the polycarbonate substrate, a hole transport layer and a light-emitting layer;
the luminous layer comprises the following components, and the volume fraction of each component is 50% of ZnS-Cu solution, 45% of oil polyurethane resin and 5% of curing agent MDI diphenylmethane diisocyanate;
the components of the hole transport layer comprise the following components, and the volume fraction of each component is 20% of PVC resin, 30% of butanone solution, 30% of toluene and 20% of hole transport material.
2. The polycarbonate substrate electroluminescent device of claim 1, wherein the hole transport material comprises one or more of an inorganic material, a polymeric material, and a small organic molecule material;
wherein the inorganic material comprises FeS2One or more of CuSCN, NiO and CuI; the polymer material comprises one or more of poly-p-phenylene ethylene, polythiophene or polysilane; the organic small molecular material comprises one or more of triphenylmethane, triarylamine or hydrazone.
3. The polycarbonate-based electroluminescent device of claim 1, wherein the transparent conductive layer is a carbon nanotube transparent conductive ink.
4. A method for producing an electroluminescent device comprising a polycarbonate substrate as defined in any one of claims 1 to 3, comprising the steps of:
a. printing a transparent conductive layer on the polycarbonate substrate by using a screen printing plate, and putting the polycarbonate substrate into an oven for treatment, wherein the treatment temperature is 88-132 ℃, and the treatment time is 2.4-3.6 min;
b. respectively preparing a solution of the light-emitting layer and a solution of the hole transport layer according to the components and the volume parts;
c. b, printing the hole transport layer solution prepared in the step b on the transparent conductive layer by using a screen printing plate, and then putting the printed hole transport layer solution into an oven for treatment, wherein the treatment temperature is 88-132 ℃, and the treatment time is 2.4-3.6 min;
d. and c, printing the luminescent layer solution prepared in the step b on the hole transport layer processed in the step c by using a screen printing plate, and then putting the printed luminescent layer solution into an oven for processing, wherein the processing temperature is 88-132 ℃, and the processing time is 2.4-3.6 min.
5. The method of claim 4, wherein in the step a, the thickness of the transparent conductive layer is in the range of 0.2um to 2 um.
6. The method of claim 5, wherein in the step a, the thickness of the transparent conductive layer is in the range of 0.8 um.
7. The method for preparing an electroluminescent device on a polycarbonate substrate according to claim 6, wherein the screen used in the step a is a 300-mesh screen.
8. The method of claim 4, wherein the step a, the step c and the step d are carried out at a temperature of 110 ℃ for 3 min.
9. The method of claim 4, wherein the screen used in step c and step d is 250 mesh screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011624027.XA CN112802972A (en) | 2020-12-31 | 2020-12-31 | Electroluminescent device of polycarbonate substrate and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011624027.XA CN112802972A (en) | 2020-12-31 | 2020-12-31 | Electroluminescent device of polycarbonate substrate and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112802972A true CN112802972A (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011624027.XA Pending CN112802972A (en) | 2020-12-31 | 2020-12-31 | Electroluminescent device of polycarbonate substrate and preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280869A (en) * | 2021-12-29 | 2022-04-05 | 湖南鼎一致远科技发展有限公司 | Inorganic electroluminescent device and UV (ultraviolet) spray printing preparation method thereof |
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