Partitioned dimming film and dimming glass
By using flexible circuit boards and simplified conductive lead connection methods in the dimming film, the problem of excessive number of conductive leads when partitioning the existing dimming film is solved, and the simplification of the production process and the convenience of operation are achieved.
Patent Information
- Application Number
- CN202422183884.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-09-05
AI Technical Summary
The existing active dimming film requires a large number of conductive leads when partitioning, resulting in complicated production processes and inconvenient operation.
Using a flexible circuit board, the inner and outer ends are distributed with at least N+1 inner contact pins and outer contact pins respectively, and are electrically connected by N+1 conductive leads one by one, simplifying the number and layout of conductive leads.
The production process of dimming film is achieved simplified, the number of conductive leads is reduced, and the convenience of operation and production efficiency is improved.
Smart Images
Figure CN222965503U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dimming glass, in particular to a partition dimming film and dimming glass. Background Art
[0002] Known active dimming films in this field, such as polymer dispersed liquid crystal dimming films, suspended particle dimming films, electrochromic dimming films, etc., generally have at least a five-layer laminated structure, namely a first transparent substrate, a first transparent conductive layer, an active layer, a second transparent conductive layer and a second transparent substrate. In the use scenario, in order to electrically connect the dimming film to an external power supply, at least two conductive leads are required to be electrically connected to the first transparent conductive layer and the second transparent conductive layer respectively, and then the external power supply is electrically connected to the transparent conductive layer through the conductive leads to drive the dimming film to work through the external power supply. Each partition of the partition dimming film requires an independent conductive lead. Taking a 10-zone dimming film as an example, if a layer of transparent conductive layer is cut into patterns for zoning and the other layer of transparent conductive layer is collinear, there are 11 conductive leads; if both the upper and lower transparent conductive layers are cut to achieve zoning, there are 20 conductive leads. It can be seen that at least N + 1 conductive leads are required for an N-zone dimming film. At the same time, in order to ensure the normal operation of the dimming film, conductive leads with other functions such as temperature sensing need to be arranged on the dimming film. Such a large number of conductive leads makes the production process of the dimming film extremely complicated. It is necessary to provide a more simple and easy-to-operate conductive lead for the dimming film. Summary of the Utility Model
[0003] Aiming at the above problems, the utility model aims to provide a partition dimming film and dimming glass, which have simple and easy-to-operate conductive leads, can connect multiple partitions and components such as temperature sensing on the dimming film, and simplify the production process of the dimming film.
[0004] The technical solution of the utility model is a partition dimming film, which includes a first transparent substrate, a first transparent conductive layer, an active layer, a second transparent conductive layer and a second transparent substrate that are sequentially laminated. The characteristics are as follows: a flexible circuit board is arranged on the above dimming film. The above dimming film is an N-zone dimming film, and the electric conduction between each partition is not conducted. N is an integer greater than or equal to 2. The flexible circuit board includes an internal connection end and an external connection end. At least N + 1 internal contact pins are distributed at the internal connection end, and at least N + 1 external contact pins are distributed at the external connection end. Each internal contact pin is electrically connected to each non-electrically-conductive transparent conductive layer respectively. The external contact pins are reserved for connection with an external circuit, and the internal contact pins and the external contact pins are electrically connected one by one through N + 1 conductive leads.
[0005] Preferably, the active layer is a suspended particle active layer or a polymer dispersed liquid crystal active layer.
[0006] Preferably, at least N + 1 inner contact pins are distributed at the inner connection end of the flexible circuit board, and at least N + 4 outer contact pins are distributed at the outer connection end. The flexible circuit board further includes at least N + 4 conductive leads, and N + 1 of the conductive leads are electrically connected to the inner contact pins and the outer contact pins one by one; the inner ends of the other 2 conductive leads are electrically connected to a thermistor built in the flexible circuit board, and the corresponding outer contact pins are reserved for connection to an external circuit. The inner end of the other 1 conductive lead is electrically connected to the conductive paint on the flexible circuit board housing, and the corresponding outer contact pin is reserved for connection to an external circuit.
[0007] Preferably, at least N + 1 inner contact pins are distributed at the inner connection end of the flexible circuit board, and at least N + 6 outer contact pins are distributed at the outer connection end. The flexible circuit board further includes at least N + 6 conductive leads, and N + 1 of the conductive leads are electrically connected to the inner contact pins and the outer contact pins; the inner ends of the other 2 conductive leads are electrically connected to a thermistor built in the flexible circuit board, and the corresponding outer contact pins are reserved for connection to an external circuit. The inner end of the other 1 conductive lead is electrically connected to the conductive paint on the flexible circuit board housing, and the corresponding outer contact pin is reserved for connection to an external circuit. The inner ends of the other 2 conductive leads are electrically connected to a photoresistor built in the flexible circuit board, and the outer contact pins are reserved for connection to an external circuit.
[0008] Preferably, the flexible circuit board is formed by wires embedded in polyethylene oxide (PEO), polyethylene glycol (PEG), polyvinyl alcohol (PVA), polyacrylate (PMA), polyurethane acrylate (PUA), polyimide (PI), polymethyl methacrylate (PMMA), polyethylene (PE), polyethylene terephthalate (PET), polyethylene naphthalate (PEN), or polycarbonate (PC), and the conductive leads are not electrically conductive to each other.
[0009] Preferably, the outer connection end of the flexible circuit board is a pin structure.
[0010] The present utility model provides a partition dimming glass, which is characterized in that it includes a first transparent plate, a second transparent plate, and a dimming film as described above disposed between the first transparent plate and the second transparent plate.
[0011] Preferably, a first interlayer is disposed between the first transparent plate and the dimming film, and / or a second interlayer is disposed between the second transparent plate and the dimming film.
[0012] The preparation method of the dimming glass as described above is characterized by including:
[0013] Stacking each layer according to the structure of the dimming glass and then performing interlayer bonding treatment to obtain the dimming glass.
[0014] Preferably, there are no special restrictions on the types of the first transparent plate and the second transparent plate, and they can be the glass plates for conventional dimming glass well-known to those skilled in the art, such as ordinary glass like inorganic glass and organic glass, and the organic glass like PC board, PMMA board, etc., or can be functional glass, such as UV-blocking glass, IR-blocking glass, Low-E glass, tempered glass or antibacterial glass, etc., and can also be selected from colored glasses such as gray glass and brown glass.
[0015] Preferably, there are no special restrictions on the types of the interlayer material, and it can be the conventional adhesive film for dimming glass well-known to those skilled in the art, such as EVA adhesive film, TPU adhesive film or PVB adhesive film; it can also be a functional adhesive film, such as UV-blocking EVA adhesive film, UV-blocking TPU adhesive film or UV-blocking PVB adhesive film, infrared-blocking EVA adhesive film, infrared-blocking TPU adhesive film or infrared-blocking PVB adhesive film; it can also be an EVA adhesive film, TPU adhesive film or PVB adhesive film with color.
[0016] Preferably, the interlayer material is selected from at least one of EVA adhesive film, TPU adhesive film and PVB adhesive film.
[0017] Preferably, there are no special restrictions on the method of the laminating treatment for preparing the dimming glass, and it can be the conventional laminating method for dimming glass in the art, such as laminating in a laminator, or laminating in an autoclave or a laminating box / furnace.
[0018] Preferably, the temperature of the laminating treatment is 90~130 °C, the relative pressure of laminating is 0.1~1.2 MPa, and the laminating time is 30~120 minutes.
[0019] The utility model has a simple and easy-to-operate conductive lead, which can connect multiple partitions on the dimming film and components such as temperature sensors, and simplifies the production process of the dimming film. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic structural diagram of the dimming film of the utility model;
[0021] Figure 2 It is a schematic structural diagram of a flexible circuit board in the utility model;
[0022] Figure 3 It is a schematic structural diagram of an external connection end of a flexible circuit board in the utility model;
[0023] Figure 4 It is a schematic cross-sectional structural diagram of the dimming film of the utility model;
[0024] Figure 5 It is a schematic cross-sectional structural diagram of the dimming glass of the utility model;
[0025] Figure 6 It is a schematic structural diagram of the partition of the first transparent conductive layer and the second transparent conductive layer in the present utility model;
[0026] Wherein: 1 - the first transparent substrate; 2 - the first transparent conductive layer; 3 - the active layer; 4 - the second transparent conductive layer; 5 - the first transparent substrate; 6 - the flexible circuit board; 61 - the internal connection end; 62 - the external connection end; 7 - the first transparent plate; 8 - the second transparent plate; 9 - the first interlayer; 10 - the second interlayer; a to p - the pins of the external contact pins. Specific embodiments
[0027] The present utility model will be further described in detail below with reference to the accompanying drawings.
[0028] As Figures 1 to 6 shown, the present utility model provides a partitioned dimming film, which includes a first transparent substrate 1, a first transparent conductive layer 2, an active layer 3, a second transparent conductive layer 4, and a second transparent substrate 5 that are sequentially stacked. The above dimming film is provided with a flexible circuit board 6. The above dimming film is an N-partition dimming film, and the electricity is not conducted between each partition. N is an integer greater than or equal to 2. The flexible circuit board 6 includes an internal connection end 61 and an external connection end 62. The internal connection end 61 is distributed with at least N + 1 internal contact pins, and the external connection end 62 is distributed with at least N + 1 external contact pins. Each internal contact pin is electrically connected to each non-conductive transparent conductive layer respectively. The external contact pins are reserved for connection to an external circuit. The internal contact pins and the external contact pins are electrically connected one by one through N + 1 conductive leads.
[0029] On the basis of the above solution, the active layer 3 is a suspended particle active layer or a polymer dispersed liquid crystal active layer.
[0030] Specifically, the internal connection end 61 of the flexible circuit board 6 is distributed with at least N + 1 internal contact pins, and the external connection end 62 is distributed with at least N + 4 external contact pins. The flexible circuit board 6 further includes at least N + 4 conductive leads. Among them, N + 1 conductive leads are electrically connected to the internal contact pins and the external contact pins one by one; the inner ends of the other 2 conductive leads are electrically connected to a thermistor built in the flexible circuit board 6, and the corresponding external contact pins are reserved for connection to an external circuit. The inner end of the other 1 conductive lead is electrically connected to the conductive paint on the outer shell of the flexible circuit board 6, and the corresponding external contact pin is reserved for connection to an external circuit.
[0031] Specifically, at least N + 1 inner contact pins are distributed at the inner connection end 61 of the flexible circuit board 6, and at least N + 6 outer contact pins are distributed at the outer connection end 62. The flexible circuit board 6 further includes at least N + 6 conductive leads, where N + 1 conductive leads are electrically connected to the inner contact pins and the outer contact pins; the inner ends of the other two conductive leads are electrically connected to the thermistor built in the flexible circuit board 6, and the corresponding outer contact pins are reserved for connection to the external circuit. The inner end of the other one conductive lead is electrically connected to the conductive paint on the outer shell of the flexible circuit board 6, and the corresponding outer contact pin is reserved for connection to the external circuit. The inner ends of the other two conductive leads are electrically connected to the photoresistor built in the flexible circuit board 6, and their outer contact pins are reserved for connection to the external circuit.
[0032] In addition, the flexible circuit board 6 is formed by wires embedded with polyethylene oxide (PEO), polyethylene glycol (PEG), polyvinyl alcohol (PVA), polyacrylate (PMA), polyurethane acrylate (PUA), polyimide (PI), polymethyl methacrylate (PMMA), polyethylene (PE), polyethylene terephthalate (PET), polyethylene naphthalate (PEN), or polycarbonate (PC), and the conductive leads are not electrically conductive to each other.
[0033] In addition, the outer connection end 62 of the flexible circuit board 6 is a pin structure.
[0034] The present utility model further provides a zoned dimming glass, including a first transparent plate 7, a second transparent plate 8, and the above-mentioned dimming film disposed between the first transparent plate 7 and the second transparent plate 8.
[0035] On this basis, a first interlayer 9 is disposed between the first transparent plate 7 and the dimming film, and / or a second interlayer 10 is disposed between the second transparent plate 8 and the dimming film.
[0036] The preparation method of the dimming glass is characterized by including:
[0037] Stacking each layer according to the structure of the dimming glass and then performing interlayer bonding treatment to obtain the dimming glass.
[0038] Specifically, there are no special restrictions on the types of the first transparent plate and the second transparent plate. They can be conventional glass plates for dimming glass well-known to those skilled in the art, such as ordinary glass like inorganic glass and organic glass, and the organic glass like PC board and PMMA board, etc. They can also be functional glass, such as UV-blocking glass, IR-blocking glass, Low-E glass, tempered glass, or antibacterial glass, etc. They can also be selected from colored glasses such as gray glass and brown glass.
[0039] Specifically, there is no special limitation on the type of the interlayer material, and it can be a conventional adhesive film for dimming glass well-known to those skilled in the art, such as EVA adhesive film, TPU adhesive film or PVB adhesive film; it can also be a functional adhesive film, such as UV-blocking EVA adhesive film, UV-blocking TPU adhesive film or UV-blocking PVB adhesive film, infrared-blocking EVA adhesive film, infrared-blocking TPU adhesive film or infrared-blocking PVB adhesive film; alternatively, it can be an EVA adhesive film, TPU adhesive film or PVB adhesive film with color.
[0040] Specifically, the interlayer material is selected from at least one of EVA adhesive film, TPU adhesive film and PVB adhesive film.
[0041] Specifically, there is no special limitation on the method of the lamination treatment for preparing the dimming glass, and it can be a conventional lamination method for dimming glass in the art, such as lamination in a laminator, or lamination in an autoclave or a lamination box / furnace.
[0042] Specifically, the temperature of the lamination treatment is 90~130 °C, the relative pressure of lamination is 0.1~1.2 MPa, and the lamination time is 30~120 minutes.
[0043] As Figure 3 shown, the dimming film corresponding to the flexible circuit board 6 is a 10-zone pattern. The flexible circuit board is internally provided with a thermistor and a photoresistor, and an electromagnetic shielding flexible circuit board is required. The 10-zone dimming film is made by cutting a transparent conductive layer into 10 zones to form a pattern, which is electrically connected to 10 inner contact pins respectively, corresponding to the pins of the 10 outer contact pins from a to j. Another transparent conductive layer is a common electrode, which is electrically connected to 1 inner contact pin, corresponding to the pin of the outer contact pin k. The two pins l and m are the pins of the outer contact pins corresponding to the thermistor, the pin n is the pin of the outer contact pin corresponding to the shielding layer, and the two pins o and p are the pins of the outer contact pins corresponding to the photoresistor.
[0044] Figure 6 In [description of the figure], the first transparent conductive layer 2 adopts a 5-zone structure, and the second transparent conductive layer 4 adopts a 1-zone structure. This is just one of the embodiments.
[0045] The above is only the preferred embodiment of the present invention, and does not impose any formal limitation on the invention. Any simple modification, equivalent change or modification made to the above embodiments based on the technical principle of the present invention still falls within the scope of the technical solution of the present invention.
Claims
1. A zoned dimming film, comprising a first transparent substrate (1), a first transparent conductive layer (2), an active layer (3), a second transparent conductive layer (4) and a second transparent substrate (5) stacked in sequence, characterized in that: The dimming film is provided with a flexible circuit board (6), the dimming film is an N-partitioned dimming film, each partition is electrically non-conductive, N is an integer ≥ 2, the flexible circuit board (6) comprises an internal connection end (61) and an external connection end (62), the internal connection end (61) is distributed with at least N+1 internal contact pins, the external connection end (62) is distributed with at least N+1 external contact pins, each internal contact pin is electrically connected to each electrically non-conductive transparent conductive layer, the external contact pin is reserved for connection with an external circuit, and the internal contact pins and the external contact pins are electrically connected one by one through N+1 conductive leads.
2. The zoned dimming film according to claim 1, characterized in that: The active layer (3) is a suspended particle active layer or a polymer dispersed liquid crystal active layer.
3. The zoned dimming film according to claim 1, characterized in that: The inner connection end (61) of the flexible circuit board (6) is provided with at least N+1 inner contact pins, and the outer connection end (62) is provided with at least N+4 outer contact pins. The flexible circuit board (6) further comprises at least N+4 conductive leads, wherein N+1 conductive leads electrically connect the inner contact pins and the outer contact pins one by one; the inner ends of the other two conductive leads are electrically connected to the thermistor built into the flexible circuit board (6), and the corresponding outer contact pins are reserved for connection to an external circuit; the inner end of the other one conductive lead is electrically connected to the conductive paint of the outer shell of the flexible circuit board (6), and the corresponding outer contact pin is reserved for connection to an external circuit.
4. The zoned dimming film according to claim 1, characterized in that: The inner connection end (61) of the flexible circuit board (6) is provided with at least N+1 inner contact pins, and the outer connection end (62) is provided with at least N+6 outer contact pins. The flexible circuit board (6) further comprises at least N+6 conductive leads, wherein N+1 conductive lead electrically connects the inner contact pins and the outer contact pins; the inner ends of the other two conductive leads are electrically connected to a thermistor built into the flexible circuit board (6), and the corresponding outer contact pins are reserved for connection to an external circuit; the inner end of the other one conductive lead is electrically connected to the conductive paint of the outer shell of the flexible circuit board (6), and the corresponding outer contact pin is reserved for connection to an external circuit; the inner ends of the other two conductive leads are electrically connected to a photoresistor built into the flexible circuit board (6), and the outer contact pins are reserved for connection to an external circuit.
5. The zoned dimming film according to claim 1, characterized in that: The flexible circuit board (6) is formed by conductive wires embedded in polyethylene oxide (PEO), polyethylene glycol (PEG), polyvinyl alcohol (PVA), polyacrylate (PMA), polyurethane acrylate (PUA), polyimide (PI), polymethacrylate (PMMA), polyethylene (PE), polyethylene terephthalate (PET), polyethylene naphthalate (PEN) or polycarbonate (PC), and the conductive wires are electrically non-conductive with each other.
6. The zoned dimming film according to claim 1, characterized in that: The external connection end (62) of the flexible circuit board (6) is a pin structure.
7. A partition dimming glass, characterized in that: It comprises a first transparent plate (7), a second transparent plate (8), and a dimming film according to any one of claims 1 to 6 arranged between the first transparent plate (7) and the second transparent plate (8).
8. The partitioned dimming glass according to claim 7, characterized in that: A first interlayer (9) is provided between the first transparent plate (7) and the dimming film, and / or a second interlayer (10) is provided between the second transparent plate (8) and the dimming film.