CN111403373A - Flexible transparent display module and manufacturing method thereof - Google Patents
Flexible transparent display module and manufacturing method thereof Download PDFInfo
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- CN111403373A CN111403373A CN202010328098.9A CN202010328098A CN111403373A CN 111403373 A CN111403373 A CN 111403373A CN 202010328098 A CN202010328098 A CN 202010328098A CN 111403373 A CN111403373 A CN 111403373A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/54—Encapsulations having a particular shape
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
Abstract
The invention provides a flexible transparent display module, which comprises a flexible substrate, and a lamp bead, a first transparent adhesive layer, a second transparent adhesive layer, a first PET film and a second PET film which are arranged on the first surface of the flexible substrate; the first surface of the flexible substrate is provided with a first conductive circuit, the second surface of the flexible substrate is provided with a second conductive circuit and a flexible circuit board, and the second conductive circuit is connected with an external control module through the flexible circuit board and used for controlling the flexible transparent display module to display patterns. The invention also provides a flexible transparent display screen which is formed by combining the flexible transparent display module. The flexible transparent display module is simple in structure, flexible, bendable and convenient to replace, carry and install, and the double-layer PET film is arranged on the flexible transparent display module, so that the flexible transparent display module can be quickly separated from a glass plate in the manufacturing process, and the production efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of transparent display screens, in particular to a flexible transparent display module and a manufacturing method thereof.
Background
At present, various advertising display boards are more and more widely applied in our lives, wherein L ED display boards are more and more used, L ED display screens are composed of light emitting diode arrays, image display is realized by controlling the color of each light emitting diode, and the display screens can be used for displaying various information such as characters, graphs, images, videos and the like.
Common L ED display screen on the market adopts hard materials such as conductive glass, ya keli board as the substrate material of L ED display screen usually, can not convolute to weight is great, and is all comparatively troublesome with the installation in the transportation, and the maintenance of being not convenient for, and the production degree of difficulty is great, can't satisfy the change that the market required.
Disclosure of Invention
In view of the above-mentioned technical problems, the present invention provides a flexible transparent display module and a method for manufacturing the same. The flexible transparent display module provided by the invention has the advantages of flexibility, light weight, transparency, convenience in installation and the like.
The invention provides a flexible transparent display module, which comprises a flexible substrate and a plurality of lamp beads arranged on a first surface of the flexible substrate and used for displaying patterns, wherein the flexible substrate is provided with a first surface and a second surface which are opposite, and a first transparent adhesive layer covers the lamp beads; a second transparent adhesive layer is arranged on the second surface of the flexible substrate; a first PET film is arranged on the first surface of the first transparent adhesive layer; a second PET film is arranged on the second surface of the second transparent adhesive layer; a first conductive circuit electrically connected with the lamp bead is arranged on the first surface of the flexible substrate, and a second conductive circuit electrically connected with the first conductive circuit is arranged on the second surface of the flexible substrate; the second surface of the flexible substrate is also provided with a flexible circuit board, and the second conducting circuit is connected with an external control module through the flexible circuit board and used for controlling the flexible transparent display module to display patterns.
Further, the flexible transparent display module comprises a display area and a peripheral area, the first conductive circuit is arranged in the display area, the second conductive circuit and the flexible circuit board are arranged in the peripheral area, at least one conductive through hole is formed in the peripheral area, and the first conductive circuit is electrically connected with the second conductive circuit through the first conductive hole.
Preferably, the number of the conductive through holes is 1 or 2.
Furthermore, a conductive material is arranged in the conductive through hole and used for conducting electricity between the first conductive circuit and the second conductive circuit.
Further, the conductive material is a metal conductive material or a transparent conductive material, and preferably a metal conductive material.
Preferably, the metal conductive material is copper, silver, nano silver, or the like, and the transparent conductive material is Indium Tin Oxide (ITO) or fluorine-doped tin oxide (FTO), or the like.
Further, the first conductive trace and the second conductive trace are made of a metal conductive material or a transparent conductive material, and preferably made of a metal conductive material.
Furthermore, a pin is arranged on the lamp bead and connected to the first conducting circuit.
Further, the first transparent adhesive layer is used for bonding the first PET film and the flexible substrate.
Further, the second transparent adhesive layer is used for bonding the flexible substrate and the second PET film.
Furthermore, L ED lamp pearl is monochromatic lamp pearl, three-colour lamp pearl or four-colour lamp pearl.
Furthermore, the thickness of first transparent adhesive layer is higher than L ED lamp pearl height 0.3 ~ 1.0 mm.
Further, the first PET film and the second PET film are in double-layer compounding or three-layer compounding, the thickness of the double-layer compounding is 0.09-0.11 mm, and the preferable thickness is 0.10 mm; the thickness of the three-layer composite is 0.12-0.14 mm, and the preferred thickness is 0.12 mm.
Further, the first transparent adhesive layer and the second transparent adhesive layer are one of a PVB transparent adhesive layer, an EVA transparent adhesive layer and an SGP transparent adhesive layer.
The second aspect of the present invention provides a method for manufacturing a flexible transparent display module, comprising the following steps:
A. preparing a luminescent layer, a first PET film, a second PET film, a first transparent adhesive layer, a second transparent adhesive layer, a first glass plate and a second glass plate;
B. placing the prepared second PET film on a second glass plate, and then covering the second transparent adhesive layer;
C. placing the prepared luminescent layer on the second transparent adhesive layer, and then covering the first transparent adhesive layer;
D. laying the first PET film on the first transparent adhesive layer, and then placing a first glass plate;
E. combining the first glass plate and the second glass plate, and putting the combined glass plates into a vacuum press for vacuum lamination;
F. and after the pressing is finished, separating the first glass plate and the second glass plate from the first PET film and the second PET film respectively, and finishing the packaging to form the flexible transparent display module.
Further, the preparing the light emitting layer includes: arranging lamp beads and a first conductive circuit on a first surface of a flexible substrate, and arranging a second conductive circuit on a second surface of the flexible substrate; electrically connecting a first end of the first conductive circuit to a lamp bead on the flexible substrate, wherein a second end of the first conductive circuit is connected with a first end of the second conductive circuit through a conductive through hole; and the second end of the second conductive circuit is electrically connected with the flexible circuit board to form the light-emitting layer.
Further, the first PET film, the second PET film, the first transparent adhesive layer and the second transparent adhesive layer are prepared by cutting according to the required size through an automatic cutting machine.
Furthermore, the thickness of the first transparent adhesive layer is higher than the height of the lamp beads by 0.3-1.0 mm.
Furthermore, the pressing temperature is 65-110 ℃, the pressing time is 1-3 hours, and the pressing pressure is 350-1000 kpa.
Further, the first transparent adhesive layer and the second transparent adhesive layer are one of a PVB transparent adhesive layer, an EVA transparent adhesive layer and an SGP transparent adhesive layer.
The invention also provides a flexible transparent display screen which comprises a plurality of flexible transparent display modules, wherein the flexible transparent display modules are connected through a connecting structure to form the flexible transparent display screen.
The invention has the beneficial effects that: the flexible transparent display module is simple in structure, flexible, bendable and convenient to replace, carry and install, and the double-layer PET film is arranged on the flexible transparent display module, so that the flexible transparent display module can be quickly separated from a glass plate in the manufacturing process, and the production efficiency is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a flexible transparent display module according to the present invention.
Fig. 2 is a schematic structural diagram of a light emitting layer in a flexible transparent display module according to a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a light-emitting layer in a flexible transparent display module according to a second embodiment of the present invention.
Fig. 4 is a flowchart of a method for manufacturing a flexible transparent display module according to the present invention.
Fig. 5 is a schematic structural diagram of a flexible transparent display screen provided by the present invention.
Description of the symbols:
1 first PET film
2 first transparent adhesive layer
3 luminescent layer
31 flexible substrate
32 light bead
321 lamp bead pin
4 second transparent adhesive layer
5 second PET film
6 first conductive line
7 second conductive line
8 conductive vias
9 Flexible printed Circuit Board
10 reinforcing part
11 connection structure
100 flexible transparent display module
300 flexible transparent display screen
A1 display area
Peripheral region of A2
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1, fig. 1 shows a schematic structural view of a flexible transparent display module according to the present invention, the flexible transparent display module 100 according to the present invention includes a light emitting layer 3, a first transparent adhesive layer 2 is disposed on one side of the light emitting layer 3, and a second transparent adhesive layer 4 is disposed on the other side of the light emitting layer 3. A first PET film 1 is arranged on the first surface of the first transparent adhesive layer 2; a second PET film 5 is disposed on a second surface of the second transparent adhesive layer 4.
Fig. 2 shows a schematic structural view of a first embodiment of the light-emitting layer 3 in fig. 1. According to this embodiment, the light emitting layer 3 includes a flexible substrate 31, a lamp bead 32, a first conductive circuit 6, a second conductive circuit 7, a conductive through hole 8, and a flexible circuit board 9.
In this embodiment, the flexible transparent display module 100 includes a flexible substrate 31 and beads 32 arrayed on a first surface of the flexible substrate 31; the first transparent adhesive layer 2 covers the lamp beads 32; a second transparent adhesive layer 4 is arranged on the second surface of the flexible substrate 31; a first PET film 1 is arranged on the first surface of the first transparent adhesive layer 2; a second PET film 5 is arranged on the second surface of the second transparent adhesive layer 4; a first conductive circuit 6 electrically connected with the lamp bead pin 321 is arranged on the first surface of the flexible substrate 31, and a second conductive circuit 7 electrically connected with the first conductive circuit 6 is arranged on the second surface of the flexible substrate 31; the second surface of the flexible substrate 31 is further provided with a flexible circuit board 9, and the second conductive circuit 7 is connected to an external control module (not shown) through the flexible circuit board 9 for controlling the flexible transparent display module to display patterns.
The flexible transparent display module provided by the invention comprises a display area A1 and a peripheral area A2, wherein a first conductive circuit 6 is arranged in the display area A1, a second conductive circuit 7 and a flexible circuit board 9 are arranged in the peripheral area A2, in order to realize the communication between the first conductive circuit 6 and the second conductive circuit 7, a conductive through hole 8 is arranged in the peripheral area A2 of the flexible transparent display module, and the number of the conductive through holes 8 is not limited by the above; the conductive through hole 8 is provided with a conductive material inside for electrically connecting the first conductive trace 6 and the second conductive trace 7, and in this embodiment, the conductive material is made of a metal conductive material, such as copper, silver, nano-silver, or the like.
In this embodiment, the first transparent adhesive layer 2 and the second transparent adhesive layer 4 are both PVB transparent adhesive layers, and may also be EVA transparent adhesive layers or SGP transparent adhesive layers; the first transparent adhesive layer 2 is used for bonding the first PET film 1 and the flexible substrate 31, and the second transparent adhesive layer 4 is used for bonding the flexible substrate 31 and the second PET film 5; meanwhile, the thickness of the first transparent adhesive layer 2 is higher than the height of the lamp bead 32 by 0.3-1.0 mm, preferably by 0.5mm, so that the flexible substrate 31 is protected from being damaged, and a better display effect can be obtained.
In this embodiment, the lamp beads 32 may be single-color lamp beads, three-color lamp beads or four-color lamp beads, and may be packaged in a surface mount manner; the first conductive traces 6 and the second conductive traces 7 are made of a metal conductive material, such as copper, silver, nano silver, and the like, and the first conductive traces 6 and the second conductive traces 7 are in a honeycomb structure or a tree-root structure, but not limited thereto; the first PET film 1 and the second PET film 5 are compounded in a double-layer mode, and the thickness of the first PET film is 0.09-0.11 mm, preferably 0.10 mm.
Referring to fig. 3, fig. 3 shows a schematic structural diagram of a second embodiment of the light emitting layer 3 in fig. 1. According to this embodiment, the light emitting layer 3 includes a flexible substrate 31, a bead 32, a first conductive circuit 6, a second conductive circuit 7, a conductive through hole 8, a flexible circuit board 9, and a reinforcing portion 10.
In this embodiment, the flexible transparent display module includes a flexible substrate 31 and lamp beads 32 arranged on a first surface of the flexible substrate 31, and a first transparent adhesive layer 2 covers the lamp beads 32; a second transparent adhesive layer 4 is arranged on the second surface of the flexible substrate 31; a first PET film 1 is arranged on the first surface of the first transparent adhesive layer 2; a second PET film 5 is arranged on the second surface of the second transparent adhesive layer 4; a first conductive circuit 6 electrically connected with the lamp bead pin 321 is arranged on the first surface of the flexible substrate 31, and a second conductive circuit 7 electrically connected with the first conductive circuit 6 is arranged on the second surface of the flexible substrate 31; the second surface of the flexible substrate 31 is further provided with a flexible circuit board 9, and the second conductive circuit 7 is connected to an external control module (not shown) through the flexible circuit board 9 for controlling the flexible transparent display module to display patterns.
The flexible transparent display module comprises a display area A1 and a peripheral area A2, a first conductive circuit 6 is arranged in the display area A1, a second conductive circuit 7 and a flexible circuit board are arranged in the peripheral area A2, in order to realize the communication between the first conductive circuit 6 and the second conductive circuit 7, a conductive through hole 8 is arranged on the peripheral area A2 of the flexible transparent display module, the number of the conductive through holes 8 is not limited by the above, a conductive material is arranged in the conductive through hole 8 and used for conducting the first conductive circuit 6 and the second conductive circuit 7, in the embodiment, the conductive material is made of a transparent conductive material, such as Indium Tin Oxide (ITO) or fluorine-doped tin oxide (FTO).
In this embodiment, a reinforcing portion 10 is respectively disposed at a connection portion of the first conductive trace 6 and the conductive material of the conductive through hole 8 and a connection portion of the second conductive trace 7 and the conductive material of the conductive through hole 8, so as to increase the connection stability between the first conductive trace 6 and the conductive through hole 8 and the connection stability between the second conductive trace 7 and the conductive through hole 8, and prevent the problem of circuit disconnection caused by wire breakage. In this embodiment, the thickness of the reinforcing portion 10 is greater than the thickness of the conductive material of the first conductive trace 6, the second conductive trace 7 and the conductive through hole 8, and the structure of the reinforcing portion 10 can avoid the problem of circuit failure caused by the disconnection at the connection. In the present embodiment, the shape of the reinforcing portion 10 is a square structure, and may be other shapes such as a rounded structure and a trapezoidal structure, but not limited thereto. The shape of the conductive via 8 may be a cylinder, a rectangular parallelepiped, a cube, or the like, but is not limited thereto.
In this embodiment, the first transparent adhesive layer 2 and the second transparent adhesive layer 4 are both EVA transparent adhesive layers, and may also be PVB transparent adhesive layers or SGP transparent adhesive layers; the first transparent adhesive layer 2 is used for bonding the first PET film 1 and the flexible substrate 31, and the second transparent adhesive layer 4 is used for bonding the flexible substrate 31 and the second PET film 5; meanwhile, the thickness of the first transparent adhesive layer 2 is higher than the height of the lamp beads 32 by 0.3-1.0 mm, so that the flexible substrate 31 is protected from being damaged, and a better display effect can be obtained.
In this embodiment, the lamp beads 32 may be single-color lamp beads, three-color lamp beads or four-color lamp beads, and may be packaged in a surface mount manner; the first conductive traces 6 and the second conductive traces 7 are made of a transparent conductive material, such as indium tin oxide ITO (ITO) or fluorine doped tin oxide (FTO), and the first conductive traces 6 and the second conductive traces 7 are in a honeycomb structure or a tree-root structure, but not limited thereto; the first PET film 1 and the second PET film 5 are compounded by three layers, and the thickness of the compound PET film is 0.12-0.14 mm, preferably 0.12 mm.
In the above embodiments provided by the present invention, the first conductive traces 6 and the second conductive traces 7 are made of a metal conductive material or a transparent conductive material, and may also be made of a graphene material, but not limited thereto.
The flexible transparent display module is simple in structure, flexible, bendable and convenient to replace, carry and install, and the double-layer PET film is arranged on the flexible transparent display module, so that the flexible transparent display module can be quickly separated from a glass plate in the manufacturing process, and the production efficiency is greatly improved. Moreover, when the flexible transparent display module 100 provided by the invention is used, only the first PET film 1 needs to be torn, and then the first transparent adhesive layer 2 of the flexible transparent display module 100 is directly attached to a required application scene, so that the flexible transparent display module is simple and convenient to mount and is suitable for various application scenes, such as a glass curtain wall, an elevator cage, a backdrop and the like.
As shown in fig. 4, the present invention further provides a manufacturing method of the flexible transparent display module 100, which is used to prepare the flexible transparent display module provided by the present invention, and in combination with the structure of the flexible transparent display module 100 provided by the present invention, the method provided by the present invention includes the following steps:
A. preparing a luminous layer 3, a first PET film 1, a second PET film 5, a first transparent adhesive layer 2, a second transparent adhesive layer 4, a first glass plate and a second glass plate;
wherein the step of preparing the light emitting layer 3 comprises: taking a flexible substrate 31, installing lamp beads 32 and arranging first conductive circuits 6 on a first surface of the flexible substrate 31 through solder paste, and arranging second conductive circuits 7 on a second surface of the flexible substrate 31; electrically connecting a first end of the first conducting wire circuit 6 to a lamp bead pin 321 on the flexible substrate 31, and connecting a second end of the first conducting wire circuit 6 to a first end of the second conducting wire circuit 7 through a conducting through hole 8; and the second end of the second lead circuit 7 is connected with the flexible circuit board 9 through a binding machine to form the luminous layer.
The first PET film 1, the second PET film 5, the first transparent adhesive layer 2 and the second transparent adhesive layer 4 are prepared by cutting according to the required size through an automatic cutting machine.
B. Placing the prepared second PET film 5 on a second glass plate, and then covering a second transparent adhesive layer 4;
C. placing the flexible substrate 31 on the second transparent adhesive layer 4, then covering the first transparent adhesive layers 2, and filling the first transparent adhesive layers 2 between the lamp beads 32, wherein the thickness of the first transparent adhesive layers 2 is 0.3-1.0 mm higher than the height of the lamp beads 32, so as to protect the flexible substrate 31 from being damaged;
D. laying a first PET film 1 on a first transparent adhesive layer 2, and then placing a first glass plate;
E. combining the first glass plate and the second glass plate, and putting the combined glass plates into a vacuum press for vacuum lamination, wherein the lamination temperature is 65-110 ℃, the lamination time is 1-3 h, and the lamination pressure is 350-1000 kpa;
F. and after the pressing is finished, separating 5 the first glass plate and the second glass plate from the first PET film 1 and the second PET film respectively, and finishing the packaging to form the transparent display module provided by the invention.
Through set up first PET membrane 1 respectively on flexible display module assembly 100 lower surface second PET membrane 5 for can realize carrying out the effect of separating fast with first glass board and second glass board in the manufacture process, improve production efficiency greatly.
The adhesive layer around the flexible substrate 31 is trimmed by taking the size of the flexible substrate 31 as a standard, so as to form the flexible transparent display module 100. The first transparent adhesive layer 2 and the second transparent adhesive layer 4 are one of a PVB transparent adhesive layer, an EVA transparent adhesive layer and an SGP transparent adhesive layer.
Referring to fig. 5, the present invention further provides a flexible transparent display screen 300. The flexible transparent display screen 300 of the present invention includes a plurality of flexible transparent display modules 100 provided by the present invention. The flexible transparent display module 100 is connected together by the connecting structure 11 to form the flexible transparent display screen 300. The flexible transparent display module 100 can be packaged in the auxiliary frame according to the product requirements to meet the requirements of product appearance when being spliced. In this embodiment, the number of the flexible transparent display modules 100 is four, and in other embodiments, the number of the flexible transparent display modules 100 can be arbitrarily set according to actual requirements.
The flexible transparent display screen 300 is formed by splicing the flexible transparent display modules 100, has a simple structure, is convenient to assemble, maintain and replace, meets the requirements of display screens with various shapes, is beneficial to realizing large-size display screens, and has wide application scenes.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify the above-described embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of the invention should be determined from the following claims.
Claims (10)
1. A flexible transparent display module comprises a flexible substrate and a lamp bead arranged on a first surface of the flexible substrate, and is characterized in that a first transparent adhesive layer covers the lamp bead; a second transparent adhesive layer is arranged on the second surface of the flexible substrate; a first PET film is arranged on the first surface of the first transparent adhesive layer; a second PET film is arranged on the second surface of the second transparent adhesive layer; a first conductive circuit electrically connected with the lamp bead is arranged on the first surface of the flexible substrate, and a second conductive circuit electrically connected with the first conductive circuit is arranged on the second surface of the flexible substrate; the second surface of the flexible substrate is also provided with a flexible circuit board, and the second conducting circuit is connected with an external control module through the flexible circuit board and used for controlling the flexible transparent display module to display patterns.
2. The flexible transparent display module according to claim 1, wherein the flexible transparent display module comprises a display area and a peripheral area, the first conductive traces are disposed in the display area, the second conductive traces and the flexible circuit board are disposed in the peripheral area, the peripheral area is further formed with at least one conductive via, and the first conductive traces are electrically connected to the second conductive traces through the conductive via.
3. The flexible transparent display module of claim 2, wherein the conductive via is internally provided with a conductive material.
4. The flexible transparent display module according to claim 1, wherein the first conductive traces and the second conductive traces are made of a metal conductive material or a transparent conductive material.
5. The flexible transparent display module of claim 1, wherein the first and second transparent adhesive layers are one of a PVB transparent adhesive layer, an EVA transparent adhesive layer, and an SGP transparent adhesive layer.
6. A manufacturing method of a flexible transparent display module is characterized by comprising the following steps:
A. preparing a luminescent layer, a first PET film, a second PET film, a first transparent adhesive layer, a second transparent adhesive layer, a first glass plate and a second glass plate;
B. placing the prepared second PET film on a second glass plate, and then covering the second transparent adhesive layer;
C. placing the prepared luminescent layer on the second transparent adhesive layer, and then covering the first transparent adhesive layer;
D. laying the first PET film on the first transparent adhesive layer, and then placing a first glass plate;
E. combining the first glass plate and the second glass plate, and putting the combined glass plates into a vacuum press for vacuum lamination;
F. and after the pressing is finished, separating the first glass plate and the second glass plate from the first PET film and the second PET film respectively, and finishing the packaging to form the flexible transparent display module.
7. The method according to claim 6, wherein the step A of preparing the light-emitting layer comprises:
a1: the method comprises the following steps of (1) taking a flexible substrate, installing lamp beads and arranging first conducting circuits on a first surface of the flexible substrate, and arranging second conducting circuit on a second surface of the flexible substrate;
a2, electrically connecting the first end of the first conductive circuit to a lamp bead on the flexible substrate, and connecting the second end of the first conductive circuit to the first end of the second conductive circuit through a conductive through hole;
a3: and the second end of the second conductive circuit is electrically connected with the flexible circuit board to form the light-emitting layer.
8. The method according to claim 6, wherein the first conductive traces and the second conductive traces are made of a metal conductive material or a transparent conductive material.
9. The manufacturing method of claim 6, wherein the pressing temperature is 65-110 ℃, the pressing time is 1-3 h, and the pressing pressure is 350-1000 kpa.
10. A flexible transparent display screen is characterized by comprising a plurality of flexible transparent display modules, wherein the flexible transparent display modules are obtained according to the flexible transparent display module of any one of claims 1 to 5 or the manufacturing method of any one of claims 6 to 9, and the flexible transparent display screen is formed by the flexible transparent display modules through a connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010328098.9A CN111403373A (en) | 2020-04-23 | 2020-04-23 | Flexible transparent display module and manufacturing method thereof |
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| CN202010328098.9A CN111403373A (en) | 2020-04-23 | 2020-04-23 | Flexible transparent display module and manufacturing method thereof |
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| CN111403373A true CN111403373A (en) | 2020-07-10 |
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| CN202010328098.9A Pending CN111403373A (en) | 2020-04-23 | 2020-04-23 | Flexible transparent display module and manufacturing method thereof |
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| CN (1) | CN111403373A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111768720A (en) * | 2020-07-19 | 2020-10-13 | 安徽优谱电子科技有限公司 | Flexible transparent LED full-color display screen, display module and display device |
| CN112467012A (en) * | 2020-12-17 | 2021-03-09 | 深圳市西陆光电技术有限公司 | High-transparency flexible display screen with traceless glue and production method thereof |
| CN112863353A (en) * | 2021-01-21 | 2021-05-28 | 深圳市伽弥科技有限公司 | Manufacturing method of flexible transparent screen |
-
2020
- 2020-04-23 CN CN202010328098.9A patent/CN111403373A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111768720A (en) * | 2020-07-19 | 2020-10-13 | 安徽优谱电子科技有限公司 | Flexible transparent LED full-color display screen, display module and display device |
| CN112467012A (en) * | 2020-12-17 | 2021-03-09 | 深圳市西陆光电技术有限公司 | High-transparency flexible display screen with traceless glue and production method thereof |
| CN112863353A (en) * | 2021-01-21 | 2021-05-28 | 深圳市伽弥科技有限公司 | Manufacturing method of flexible transparent screen |
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