CN219938561U - Diffuse-extending gradually-brightening electroluminescent sheet - Google Patents
Diffuse-extending gradually-brightening electroluminescent sheet Download PDFInfo
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- CN219938561U CN219938561U CN202320180599.6U CN202320180599U CN219938561U CN 219938561 U CN219938561 U CN 219938561U CN 202320180599 U CN202320180599 U CN 202320180599U CN 219938561 U CN219938561 U CN 219938561U
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
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- AXZAYXJCENRGIM-UHFFFAOYSA-J dipotassium;tetrabromoplatinum(2-) Chemical compound [K+].[K+].[Br-].[Br-].[Br-].[Br-].[Pt+2] AXZAYXJCENRGIM-UHFFFAOYSA-J 0.000 description 3
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- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 3
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- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical group [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a diffuse bright electroluminescent sheet, which can realize the dynamic luminescence of a group of electrode single areas, wherein the dynamic luminescence gradually emits light like water diffuse flow, and the structure sequentially comprises: a transparent protective layer, a transparent conductive layer, an electroluminescent layer, a back conductive layer, and a protective layer; at least one layer of the transparent conductive layer or the back conductive layer is formed by an ion transparent conductive film, and the ion transparent conductive film contains ion conductive materials; when the insulated co-located superposition electrodes of the transparent conductive layer and the back conductive layer are applied with voltage, the electroluminescent sheet automatically generates dynamic gradually-spreading gradually-brightening luminescence and gradually-shrinking extinction. The utility model can be used for displaying signals of vehicles of aircraft, vehicles and vessels, and can be widely used in the field of night lighting requirements such as advertisements, lamps, toys, electric appliances, instruments, safety direction indication and the like.
Description
Technical Field
The utility model belongs to the field of electroluminescent display device and its preparation and application
Technical Field
The prior inorganic powder electroluminescent surface light source device is mostly manufactured on the surface of a flexible plastic film, a typical commercialized device is composed of a basic PET film, a transparent conductive ITO layer, a luminous layer, a dielectric layer and a silver back electrode layer, and then a sandwich type solid plane luminous device structure is formed by a printing and coating process. The light-emitting area device with a single independent electrode on the market can only generate instant light emission and extinction, and the driver can only be used for adjusting voltage to form the intensity change of the overall brightness, so that the dynamic diffuse gradually light-emitting phenomenon and effect cannot be formed. The existing advertising flash spreading progressive luminous effect is achieved by designing and printing a plurality of sections of multi-region arrangement, independently leading out each region electrode, connecting a plurality of independently leading-out electrodes with a plurality of chips, gradually increasing and conducting according to the chip multipath control time, and sequentially emitting light from the arranged regions according to time sequence to form a visual dynamic progressive luminous effect. Such independent control of tens or even hundreds of areas requires a large number of electrodes to be connected to the chip, is labor intensive and is subject to failure, and the connection lines and circuits occupy a large amount of space.
The utility model relates to a diffuse bright electroluminescent sheet, which can realize the dynamic luminescence of a group of electrode single areas, wherein the dynamic luminescence gradually emits light like water diffuse flow, and the structure sequentially comprises: a transparent protective layer, a transparent conductive layer, an electroluminescent layer, a back conductive layer, and a protective layer; the method is characterized in that: at least one layer of the transparent conductive layer or the back conductive layer is formed by an ion transparent conductive film, and the ion transparent conductive film contains ion conductive materials; when the insulated co-located superposition electrodes of the transparent conductive layer and the back conductive layer are applied with voltage, the electroluminescent sheet automatically generates dynamic gradually-spreading gradually-brightening luminescence and gradually-shrinking extinction.
The utility model can be widely used in the fields of advertisement, lamps, toys, electric appliances, instruments, safety direction indication and the like, and realizes simple dynamic progressive diffuse lighting and extinguishing.
Disclosure of Invention
A diffuse gradually-brightening electroluminescent sheet, which comprises, in order from top to bottom: a transparent protective layer 5, a transparent conductive layer 4, an electroluminescent layer 3, a back conductive layer 2 and a protective layer 1; the method is characterized in that: at least one layer of the transparent conductive layer or the back conductive layer is formed by an ion transparent conductive film, and the ion transparent conductive film contains ion conductive materials; when the insulated co-located superposition electrode 6 of the transparent conductive layer and the back conductive layer is loaded with voltage, the light emitting area and the voltage have a direct proportion dynamic change relation, the gradually-bright area of the electroluminescent sheet automatically generates the effects of dynamic gradually-extending gradually-bright light emission and gradually-retracting extinction. The gradually-bright area refers to that the luminous intensity forms a fixed distribution of brightness from weak to strong within a certain distance when static constant voltage is loaded, the fixed distribution can gradually move along with the change of the voltage, and a dynamic water-like gradually-diffuse gradually-bright luminous effect is formed visually. Fig. 1 is a view showing a structure of a diffuse luminance electro-luminescent sheet.
The conductivity of the ion transparent conductive film in the utility model is 10-100S/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the The high-conductivity dynamic diffusion and brightening time is fast, and the low-conductivity dynamic diffusion and brightening time is slow. The ion transparent conductive film is made of conductive materials containing potassium, sodium and lithium ions and plastic and is prepared into a self-adhesive ion transparent conductive film by a tape casting machine, and is characterized in that: the ion transparent conductive film contains different ions to form different electric conductivities, the electric conductivities can change along with the voltage, the ion transparent conductive film has no surface resistance value, and one ion transparent conductive film contains only one ion conductive material. The ion transparent conductive film is self-adhered on the surface of the electroluminescent layer through vacuum hot pressing.
The ion transparent conductive film is a film of a mixture of ion conductive materials and plastics, wherein the ion conductive materials are potassium perchlorate, sodium perchlorate and lithium perchlorate, the plastics in the ion transparent conductive film are PVA, and the materials are uniformly mixed and prepared into the film by using a casting machine, so that the film thickness is uniform. The greater the concentration of the ion conductive material, the faster the dynamic diffusion brightening time; the concentration of conductive ions is small, and the dynamic diffusion and brightening time is slow. The ion transparent conductive film is a non-flat surface, so that bubble marks are not easy to generate in the multi-layer film compounding process.
The transparent conductive layer in the utility model is characterized in that: at least two different ion transparent conductive films are formed by superposition and recombination; different ion transparent conductive films have different conductivities, lithium ion conductivity is better under the same concentration, the ion transparent conductive films with two different conductivities are overlapped and compounded, and the size of a brightness-increasing area can be controlled by using the same electrode to load voltage. The single ion transparent conductive film and the electroluminescent layer are used in a combined mode, and the size of the brightness-increasing area is controlled to be single. The static constant voltage is applied, the luminous intensity forms the positive luminance distribution from weak to strong within a certain distance, and the fixed distribution of the gradually-bright area gradually moves along with the voltage change to form the visual dynamic gradually-bright luminous effect. The back conductive layer is formed by superposing and compositing at least two different ion transparent conductive films; the two different ion transparent conductive films have different conductivities, and the effect of controlling the distance of the gradually-bright area is better than that of a single ion transparent conductive film.
The electroluminescent layer in the utility model is composed of electroluminescent material and PVA plastic, and then the electroluminescent layer film is drawn by a tape casting machine, the thickness of the film is uniform, and the utility model is characterized in that: the electroluminescent layer film is a non-flat uniform surface, the non-flat surface is suitable for overlapping and conforming between films again, and bubbles are not easy to generate. The back conductive layer uses an ion transparent conductive film to form double-sided diffuse bright light emission, and the double-sided light emission is semitransparent electroluminescence. The back of the electroluminescent layer is provided with a dielectric layer which forms diffuse and gradually bright light with different double-sided brightness, and the luminous brightness of the dielectric layer is relatively weak, but the diffuse area of the two sides of the luminous layer is consistent because the diffuse area has an electric field with common intensity.
The transparent protective layer and the protective layer in the utility model are one of PET, PVA, TPU, fluoroplastic film and organic silicon film, and are characterized in that: at least one surface of the transparent protective layer and at least one surface of the protective layer are provided with non-flat surfaces, and the non-flat surfaces have a stabilizing effect in the utility model because the electroluminescent material zinc sulfide is easy to generate electrochemical reaction when being used in PVA. The transparent protective layer and the protective layer of the utility model have the same function as the traditional device, and PVA is used to be compounded with the ion transparent conductive film more easily. The transparent protective layer and the protective layer are self-adhered on the surface of the ion transparent conductive film through vacuum hot pressing; the transparent protective layer and the protective layer are made of elastic plastic film materials to form an elastic electroluminescent sheet, so that the service life and the stability can be improved.
The back conductive layer is one of an ion transparent conductive film or conductive slurry, the back conductive layer can use conductive metal slurry of a conventional process, the transparent conductive layer is an ion transparent conductive film, and the two ion transparent conductive films are compounded to form diffuse bright gradually and fast light emission. The transparent conductive layer is one of an ion transparent conductive film or an ITO conductive film, the transparent conductive layer can be a conventional ITO conductive film, the back conductive layer is an ion transparent conductive film, and the two ion transparent conductive films are compounded to form the diffuse gradually-bright rapid light-emitting film. The utility model has the advantage that the ion transparent conductive film is used for the transparent conductive layer and the back conductive layer.
The special voltage regulation control driver used in the utility model is characterized in that: the driver is connected with the electrodes, the chip is used for controlling the time, speed and frequency of voltage circulation, the electroluminescent sheet realizes the automatic generation of dynamic gradually-spreading gradually-brightening luminescence and gradually-shrinking extinction in a period, and the voltage is uniformly controlled to rise and fall, so that a better gradually-brightening effect can be generated. The driver in the utility model can use a conventional driver, and the effect of the movement of the gradually-brightening area is also generated, but the driver can not be circularly repeated, and the speed is not regularly controlled.
The transparent conductive layer and the back conductive layer are respectively provided with the electrode 6 connecting sheet, the electrodes of the transparent conductive layer and the back conductive layer form an insulating co-located superposition structure, so that voltage and current are uniformly loaded, the co-located superposition structure is the guarantee of important movable luminescence with special effects, the electrodes are easily burnt by the traditional separated two electrodes, meanwhile, the diffuse and gradual brightening effects are not obvious, and the conductivity of the ion transparent conductive film is poorer than that of the traditional ITO and silver paste. The electrode led out by the utility model has single-sided conduction, and an insulating isolation layer 7 is arranged between the two electrodes, so that the two electrodes are ensured not to be connected in a short circuit; when the transparent conductive layer and the back conductive layer are both ion transparent conductive films, the electrodes are firmly connected, otherwise, the electrodes are easy to contact and heat, and the electroluminescence sheets of the ion transparent conductive films with the same concentration or the same type can automatically generate dynamic slow-speed gradually-spread gradually-bright luminescence.
The preparation process of the utility model is characterized in that: 1) Firstly, respectively preparing an electroluminescent layer film, a transparent conductive layer film and an ion transparent conductive film of a back conductive layer film; the film can be independently manufactured by using a casting machine, or the electroluminescent layer film can be prepared first, and then the transparent conductive layer film and the back conductive layer film are directly cast on the two sides, so that the effect is better than that of a later-stage vacuum composite film. 2) Electrode electrodes are respectively stuck and arranged on the same positions of the transparent conducting layer film and the back conducting layer film, so that partial overlapping area insulation can be prepared in advance; short circuit faults can occur using conventional electrode tabs. 3) And pressing the transparent conducting layer film, the electroluminescent layer film and the back conducting layer film into an integrated electroluminescent film with a sandwich structure through a vacuum pressure compounding machine. The multi-layer later composite film of each part, and the bubble discharge is the quality assurance. 4) The transparent protective layer, the electroluminescent film with the sandwich structure and the protective layer are integrated and connected with a special driver to form the diffuse-extending gradually-brightening electroluminescent sheet.
Drawings
FIG. 1 is a view showing a structure of a diffuse luminance electro-luminescent sheet
In the figure: 1. the light-emitting diode comprises a protective layer, a back conductive layer, a 3 electroluminescent layer, a 4 transparent conductive layer, a 5 transparent protective layer, a 6 electrode and a 7 insulating isolation layer.
Detailed Description
An electroluminescent sheet with a diffuse brightness-increasing effect, which has the structure that: a transparent protective layer 5, a transparent conductive layer 4, an electroluminescent layer 3, a back conductive layer 2 and a protective layer 1. At least one layer of transparent conductive layer or back conductive layer is formed from ion transparent conductive film, said ion transparent conductive film contains ion conductive material, when the insulating co-located superimposed electrode of transparent conductive layer and back conductive layer is loaded with voltage, the light-emitting area and voltage are in proportional dynamic change relationship, and the electroluminescent sheet can automatically produce dynamic gradually-spreading gradually-lighting light-emitting and gradually-shrinking extinguishing effect in the gradually-lighting area. The conventional transparent conductive layer is an ITO film of PET base material and has good conductivity, the conventional back conductive layer is a printed metal silver conductive layer, and the printed metal silver conductive layer has good conductivity, and the conductivity cannot change along with voltage and can only generate full brightness or adjust the light intensity degree through the voltage. The utility model discloses a light-emitting device, which comprises a light-emitting area, a light-emitting area and a light-emitting area, wherein the light-emitting area is characterized in that when static constant voltage is loaded, the light-emitting intensity forms a fixed distribution of brightness from weak to strong within a certain distance, the fixed distribution gradually spreads along with the change of the voltage to form a visual dynamic spreading and light-emitting effect, and the light-emitting effect is like that of water spreading and uniform-speed extending to a distance until all light is emitted. And displaying the luminous effect and the bright area of the diffuse bright electroluminescent sheet. The area of the fade is typically 1-5 cm depending on the electroluminescent sheet device size.
The conductivity of the ion transparent conductive film in the utility model is 30-50S/cm 2 The effect is better, the ion conductive material in the ion transparent conductive film is potassium perchlorate, sodium perchlorate and lithium perchlorate, and the plastic in the ion transparent conductive film is PVA. Self-adhesive ion transparent conductive film prepared by casting machine solid state method, ion transparentThe transparent conductive film contains different ions to form different electric conductivities, and one ion transparent conductive film contains only one ion conductive material; the thickness of the ion transparent conductive film is 10-100 micrometers, the thickness is even, and the ion transparent conductive film is self-adhered on the surface of the electroluminescent layer through vacuum hot pressing. Different ion conductive materials and different plastics are used for controlling the prepared ion transparent conductive film by different methods, the formation and stability of the conductivity are complex, and the performance difference is large, for example, the plastics use acrylamide polymers and the like.
The ion transparent conductive film is made of ion conductive materials and plastics, wherein the ion conductive materials are potassium perchlorate, sodium perchlorate and lithium perchlorate, and the plastics in the ion transparent conductive film are PVA. The greater the concentration of the ion conductive material, the faster the dynamic diffusion brightening time; the concentration of conductive ions is small, and the dynamic diffusion and brightening time is slow; the ion transparent conductive film is a non-flat surface, so that bubble marks are not easy to generate in the multi-layer film compounding process.
The transparent conductive layer is formed by superposing and compositing at least two different ion transparent conductive films; different ion transparent conductive films have different conductivities, the ion transparent conductive films work by voltage in electroluminescence, the carrying capacity to current is lower, and the ion transparent conductive films have no surface resistance value, which is different from the conventional ITO and metal conductors. The lithium ion conduction is better under the same concentration, the sodium ion conduction is weaker, the same electrode loading voltage is used for superposition and composite loading of the ion transparent conductive films with two different conductivities, so that the size of a gradually-bright area can be controlled, the luminous intensity forms the brightness positive-factor distribution from weak to strong within a certain distance when the static constant voltage is loaded, and the fixed distribution gradually spreads along with the voltage change to form the visual dynamic gradually-spreading gradually-bright luminous effect. The back conductive layer is formed by superposing and compositing at least two different ion transparent conductive films; the two different ion transparent conductive films have different conductivities, and the effect of controlling the distance of the gradually-bright area is better than that of a single ion transparent conductive film.
The electroluminescent layer is a film formed by drawing electroluminescent material and PVA plastic through a tape casting machine, the thickness of the electroluminescent layer is usually 30-50 microns, and the electroluminescent material adopts conventional luminescent materials such as zinc copper sulfide and the like, such as commercial KPT marks D502 and D512 and the like. The PVA plastic is used for firm combination of later-stage compounding, and the electroluminescent material and other plastic can be used. The electroluminescent layer film is a non-planar surface, and the non-planar surface is suitable for overlapping and conforming between the films again. The uneven surface in the utility model is a surface similar to the frosting effect, but has uniform thickness and is entirely even; the surface has convex-concave treatment of 20-100 nanometers, which can be realized by embossing; the composite material is still transparent after being compounded, does not influence brightness, is not easy to generate bubbles, is related to the characteristic combination of the electroluminescent self-material, and is suitable for the electrochemical reaction release generated during the electroluminescent operation. The back conductive layer uses an ion transparent conductive film to form double-sided diffuse bright light emission, and the double-sided light emission is semitransparent electroluminescence; the back of the electroluminescent layer is provided with a dielectric layer, the dielectric layer is barium titanate, acrylic acid and the like, diffuse bright light with different double-sided brightness is formed, the luminous brightness of the dielectric layer is relatively weak, but the luminous spreading areas at two sides are consistent, and the two sides have a common electric field.
The transparent protective layer and the protective layer in the utility model are one of PET, PVA, TPU, fluoroplastic films and organic silicon films, the transparent protective layer has obvious dampproof effect, PVA is easy to absorb moisture, the light-emitting device is aged, the luminous intensity is rapidly reduced, the fluoroplastic films and the organic silicon films can keep close tension elasticity with other film layers, and the device is convenient to bend, and particularly has good folding endurance. At least one surface of the transparent protective layer and at least one surface of the protective layer are provided with non-flat surfaces, and the non-flat surfaces have a stabilizing effect in the utility model because the electroluminescent material zinc sulfide easily generates electrochemical reaction in PVA. The transparent protective layer and the protective layer of the utility model have the same function as the traditional device, and PVA is used to be compounded with the ion transparent conductive film more easily. The transparent protective layer and the protective layer are self-adhered on the surface of the ion transparent conductive film through vacuum hot pressing; the transparent protective layer and the protective layer are made of elastic plastic film materials, so that the electroluminescent sheet with elasticity is formed.
The back conductive layer is one of an ion transparent conductive film or conductive slurry, the back conductive layer can use the conductive slurry of the conventional process, the transparent conductive layer is the ion transparent conductive film, and the two ion transparent conductive films are compounded to form diffuse bright gradually and fast light emission; the transparent conductive layer is one of an ion transparent conductive film or an ITO conductive film, the transparent conductive layer is a conventional ITO conductive film, the back conductive layer is an ion transparent conductive film, and the two ion transparent conductive films are compounded to form the diffuse gradually-bright rapid light emission.
The special voltage regulation control driver used in the utility model is connected with the electrode, and utilizes the chip to control the voltage cycle lifting time, speed and frequency, the electroluminescent film cycle automatically generates dynamic gradually-spreading gradually-brightening luminescence and gradually-shrinking extinction, and the electroluminescent film cycle is recycled, the voltage is 0-400V, the lifting is controlled at a constant speed with the frequency of 50-1000 Hz, and the voltage is 0-150V to generate a good gradually-brightening effect. The driver in the utility model can use a conventional driver, and the effect of the diffuse movement of the gradually-bright area is also generated, but the driver can not be circularly repeated, and the speed is not regularly controlled. The electroluminescent sheet with the diffuse brightness effect has better high voltage resistance than a device with the traditional silk-screen process.
The transparent conductive layer and the electrode of the back conductive layer form an insulating co-located superposition structure, the co-located superposition structure can enable the diffusion of the gradually-bright area to have single-direction expansion, the constant and uniform electric field of the light-emitting area is ensured, devices are not damaged due to heating, and the figure 1 is one of the basic structures of the utility model. The electrode co-position superposition structure is the guarantee of important movable luminescence with special effect, and the two electrodes separated in the prior art are not suitable for use, and the stability of the device can be guaranteed due to the matching of the special structure and the electrodes. The electrode led out by the utility model has single-sided conduction, and an insulating isolation layer is arranged between the two electrodes, so that the two electrodes are ensured not to be connected in a short circuit; when the transparent conductive layer and the back conductive layer are both ion transparent conductive films, the electrodes are firmly connected, otherwise, the electrodes are easy to contact and heat, and the electroluminescence sheets of the ion transparent conductive films with the same concentration or the same type can automatically generate dynamic slow-speed gradually-spread gradually-bright luminescence.
The preparation process of the utility model is as follows: 1) Firstly, respectively preparing an electroluminescent layer film, a transparent conductive layer film and a back conductive layer film; the film can be independently manufactured by using a casting machine, or the electroluminescent layer film can be prepared first, and then the transparent conductive layer film and the back conductive layer film are directly cast on the two sides, so that the effect is better than that of a later composite film. 2) Electrode electrodes are respectively stuck and arranged on the same positions of the transparent conducting layer film and the back conducting layer film, so that partial overlapping area insulation can be prepared in advance; short circuit faults can occur using conventional electrode tabs. 3) And pressing the transparent conducting layer film, the electroluminescent layer film and the back conducting layer film into an integrated electroluminescent film with a sandwich structure through a vacuum pressure compounding machine. The multi-layer later composite film of each part, and the bubble discharge is the quality assurance. 4) The transparent protective layer, the electroluminescent film with the sandwich structure and the protective layer are integrated and connected with a special driver to form the diffuse-extending gradually-brightening electroluminescent sheet.
The utility model has the advantages that
The utility model realizes a diffuse brightness gradual-brightening electroluminescent effect, adopts simple luminous sheet and electrode structure design, and realizes the control of gradual-brightening area through the preparation of the ion transparent conductive film.
The diffuse brightness and gradual brightness electroluminescence has the characteristics of good pressure resistance, bending resistance, good elasticity and large voltage bearing, can be used for signal lamps and indication marks of airplanes, vehicles and ships and subway vehicles, and is also suitable for building luminous decoration, road safety marks and the like.
The diffuse bright electroluminescent sheet has low production cost and high process controllability, is suitable for large-scale production, changes the traditional printing and coating process, adopts non-toxic and pollution-free materials, and can be used for indicating marks of instrument illumination, consumer electronics products and household appliances, panel illumination and the like.
The utility model is suitable for the dynamic effect of advertisement, has simple control, and is suitable for clothing, toys, furniture, beach umbrellas and luminous decoration on christmas days.
Claims (5)
1. The diffuse gradually-brightening electroluminescent sheet has the following structure from top to bottom: a transparent protective layer, a transparent conductive layer, an electroluminescent layer, a back conductive layer, and a protective layer; the method is characterized in that: at least one layer of the transparent conductive layer and the back conductive layer is formed by an ion transparent conductive film, and the ion transparent conductive film contains ion conductive materials; and voltage is applied to the insulated co-located superposition electrodes of the transparent conductive layer and the back conductive layer, so that the electroluminescent sheet can generate dynamic gradually-spread gradually-bright light emission and gradually-shrinking extinction.
2. A diffusely bright electroluminescent panel as claimed in claim 1, wherein: the conductivity of the ion transparent conductive film is 10-100S/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the The ion transparent conductive film is a non-planar surface.
3. A diffusely bright electroluminescent panel as claimed in claim 1, wherein: the transparent conductive layer is formed by superposing and compositing at least two different ion transparent conductive films; the back conductive layer is formed by superposing and compositing at least two different ion transparent conductive films; the two different ion transparent conductive films have different conductivities, so that the distance control of the gradually-bright area is realized.
4. A diffusely bright electroluminescent panel as claimed in claim 1, wherein: the transparent protective layer and the protective layer are one of TPU, PVA, fluoroplastic film and organic silicon film, and at least one surface of the transparent protective layer or the protective layer is provided with a non-flat surface; the transparent protective layer and the protective layer are self-adhered on the surface of the ion transparent conductive film through vacuum hot pressing; the transparent protective layer and the protective layer are made of elastic plastic film materials, so that the electroluminescent sheet with elasticity is formed.
5. A diffusely bright electroluminescent panel as claimed in claim 1, wherein: the transparent conductive layer and the back conductive layer are respectively provided with an electrode connecting sheet, the electrodes of the transparent conductive layer and the back conductive layer form an insulating co-located superposition structure, the extracted electrodes have single-sided conduction, and an insulating isolation layer is arranged between the two electrodes; the transparent conductive layer and the back conductive layer are ion transparent conductive films, and the electroluminescent sheet can automatically generate dynamic slow-speed gradually-spread gradually-bright luminescence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320180599.6U CN219938561U (en) | 2023-02-07 | 2023-02-07 | Diffuse-extending gradually-brightening electroluminescent sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320180599.6U CN219938561U (en) | 2023-02-07 | 2023-02-07 | Diffuse-extending gradually-brightening electroluminescent sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219938561U true CN219938561U (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320180599.6U Active CN219938561U (en) | 2023-02-07 | 2023-02-07 | Diffuse-extending gradually-brightening electroluminescent sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219938561U (en) |
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2023
- 2023-02-07 CN CN202320180599.6U patent/CN219938561U/en active Active
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