Waterproof substrate and transparent waterproof display device

Abstract

The invention discloses a waterproof substrate and a transparent waterproof display device.The waterproof substrate is a hollowed-out plate and comprises an entity area and a hollowed-out area, the entity area is formed by interweaving, arranging and expanding a first entity part and a second entity part, the hollowed-out area is regularly-arranged through holes, and the first entity part and the second entity part are arranged in the hollowed-out area. The through hole is formed by enclosing the first solid part and the second solid part when the first solid part and the second solid part expand; the solid area is provided with a hollow groove, and the hollow groove is arranged along the first solid part or / and along the second solid part; at least one edge of the waterproof substrate is a tooth-shaped edge formed by a half through hole structure enclosed by the first solid part or the second solid part, the first solid part and the second solid part in a protruding manner; the transparent waterproof display device comprises the waterproof substrate and the light-emitting module, the circuit structure in the transparent display device is embedded and clamped in the hollow groove of the waterproof substrate, and then the circuit structure is sealed in the hollow groove through the glue sealing layer, so that the waterproof and dustproof purposes are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of LED waterproof display, and in particular to a waterproof substrate and a transparent waterproof display device. Background Art

[0002] The PCB carrier is provided with regular through holes, and the non-through hole area is provided with LED light emitters in an array to form a transparent display device, which is widely used for indoor advertising and display. This type of display device is characterized by being thin and transparent, and does not affect the line of sight when not playing, and can achieve the technical effect of transparent display.

[0003] However, when such display devices are extended to outdoor environments, there are some technical problems, such as waterproofing and dustproofing. How to develop a waterproof and dustproof structure while ensuring a thin and transparent display is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the invention

[0004] In view of the above deficiencies in the prior art, the present invention discloses two technical solutions.

[0005] The first technical solution is a waterproof substrate, which includes a hollow groove. The light-emitting module is placed in the hollow groove and sealed with glue to achieve the purpose of waterproofing and dustproofing.

[0006] The second technical solution is a transparent waterproof display device based on the first technical solution, which can achieve IP57 protection level for outdoor applications.

[0007] The first technical solution of the present invention is as follows: A waterproof substrate is a hollow plate, comprising a solid area and a hollow area, wherein the solid area is formed by regularly arranging and expanding a first solid part and a second solid part, and the hollow area is regularly arranged through holes, which are formed by enclosing the first solid part and the second solid part when they are expanded.

[0008] Furthermore, the solid area is provided with a hollow groove, and the hollow groove is provided along the first solid part and / or along the second solid part.

[0009] In the technical solution, the waterproof substrate has at least one side which is a toothed side consisting of a protruding portion of the first entity part or the second entity part and a half through-hole structure surrounded by the first entity part and the second entity part.

[0010] In the technical solution, the first entity part and the second entity part intersect to form a shape unit, and the shape units are arranged and expanded to form the entity area.

[0011] Furthermore, the same first entity portion is expanded to form a long first entity strip, and the entity area is composed of a plurality of the first entity strips and the second entity portions uniformly arranged between two adjacent first entity strips.

[0012] Or the same second entity portion is expanded to form a long second entity strip, and the entity area is composed of a plurality of the second entity strips and the first entity portions are evenly arranged between two adjacent second entity strips.

[0013] In another technical solution, the same first solid portion is expanded to form a long strip of first solid strip, and the same second solid portion is expanded to form a long strip of second solid strip. Multiple equally spaced first solid strips and multiple equally spaced second solid strips intersect vertically to form the solid area.

[0014] Furthermore, a fixing portion is provided on the waterproof substrate, and the fixing portion is provided on the inner side wall of the hollow groove and is integrally provided with the waterproof substrate. When the circuit structure is installed into the hollow groove and reaches a predetermined position, the fixing portion fixes the circuit structure in the hollow groove.

[0015] In the present technical solution, the fixing portion comprises a boss protruding from the inner side wall of the hollow groove, the lower part of the inner side wall of the hollow groove at the boss is hollowed out, and the distance between the lower edge of the boss and the bottom of the hollow groove is not less than the thickness of the circuit structure.

[0016] The second technical solution of the present invention is a transparent waterproof display device, which includes the first technical solution and further includes a light-emitting module, wherein the light-emitting module is arranged in the waterproof substrate.

[0017] The light-emitting module comprises a circuit structure, and a sealing layer is arranged in the hollow groove, and the sealing layer seals the circuit structure in the hollow groove.

[0018] In the technical solution, the light-emitting module includes an LED light-emitting body, and the LED light-emitting body is electrically connected to the circuit structure.

[0019] In the transparent waterproof display device, the LED light-emitting body is located at the intersection of the first entity part and the second entity part, and the light-emitting surface of the LED light-emitting body is exposed to the sealing glue layer.

[0020] In this technical solution, the circuit structure is a strip PCB board: When the hollow groove is arranged along the first solid part or the hollow groove is arranged along the second solid part, the circuit structure is composed of a strip-shaped PCB board.

[0021] In the transparent waterproof display device, the strip-shaped PCB board is embedded in the hollow groove of the first entity part or the second entity part.

[0022] In another technical solution, the circuit structure is a hollow PCB board: When the hollow groove is arranged along the first entity part and the second entity part, the circuit structure is a hollow PCB board having the same hollow position and shape as the waterproof substrate; In the transparent waterproof display device, the hollow PCB board is embedded in the hollow grooves of the first entity part and the second entity part.

[0023] The present invention discloses a waterproof substrate with a hollow groove structure, and also discloses a transparent waterproof display device including a light-emitting module. The circuit structure in the light-emitting module can be embedded and fixed in the hollow groove, and then the sealing layer seals the circuit structure in the hollow groove, thereby achieving the purpose of waterproofing and dustproofing. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of an embodiment of a waterproof substrate of the present invention in which a first solid part and a second solid part form a basic shape unit; Figure 2 yes Figure 1 A schematic diagram of the structure of a waterproof substrate formed by regularly arranging and expanding the basic shape units in the embodiment shown; Figure 3 yes Figure 2 A schematic diagram of the three-dimensional front structure of the waterproof substrate in the illustrated embodiment; Figure 4 yes Figure 2 A schematic diagram of the three-dimensional back structure of the waterproof substrate in the illustrated embodiment; Figure 5 It is a schematic diagram of an embodiment of a waterproof substrate of the present invention in which the first solid part and the second solid part form another basic shape unit; Figure 6 yes Figure 5 A schematic diagram of the structure of a waterproof substrate formed by regularly arranging and expanding the basic shape units in the embodiment shown; Figure 7 yes Figure 5 A schematic diagram of the three-dimensional structure of the waterproof substrate in the illustrated embodiment; Figure 8 It is a schematic diagram of an embodiment of a waterproof substrate of the present invention in which the first solid part and the second solid part form another basic shape unit; Fig. 9 yes Figure 8 A schematic diagram of the structure of a waterproof substrate formed by regularly arranging and expanding the basic shape units in the embodiment shown; Fig.10It is a schematic diagram of an embodiment of a waterproof substrate of the present invention in which the first solid part and the second solid part form another basic shape unit; Fig.11 yes Fig.10 A schematic diagram of the structure of a waterproof substrate formed by regularly arranging and expanding the basic shape units in the embodiment shown; Fig.12 It is a schematic diagram of the position and structure of a fixing part in a waterproof substrate of the present invention; Fig.13 It is a schematic structural diagram of an embodiment of a transparent waterproof display device of the present invention; Fig.14 It is a schematic structural diagram of an embodiment of a light-emitting module in a transparent waterproof display device of the present invention; Fig.15 yes Fig.14 A schematic structural diagram of an embodiment of a transparent waterproof display device of the light-emitting module shown; Fig.16 It is a schematic structural diagram of another embodiment of a light-emitting module in a transparent waterproof display device of the present invention; Fig.17 yes Fig.16 A schematic structural diagram of an embodiment of a transparent waterproof display device of the light-emitting module shown. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] In order to better illustrate the present embodiment, some parts in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, the omission of some well-known structures and their descriptions in the drawings is understandable. The same or similar reference numerals correspond to the same or similar parts.

[0027] The present invention solves the waterproof and dustproof technical problems faced by LED transparent display devices when used outdoors.

[0028] The embodiments of the present invention are as follows: Example

[0029] This embodiment discloses a waterproof substrate, such as Figure 1-Figure 11 As shown, the waterproof substrate 10 is a hollow plate, comprising a solid area and a hollow area. The solid area is formed by regularly arranging and expanding the first solid part 101 and the second solid part 102. The hollow area is regularly arranged through holes 13, and the through holes 13 are formed by enclosing the first solid part 101 and the second solid part 102 when they are expanded.

[0030] The through hole 13 in the present technical solution is preferably a square hole, and can also be a round hole, a waist-shaped hole (or an oblong hole), or other polygonal holes.

[0031] In this embodiment, the solid area is provided with a hollow groove 14 , and the hollow groove 14 is provided along the first solid portion 101 and / or along the second solid portion 102 .

[0032] Specifically, in one embodiment, the hollow groove 14 is arranged along the first solid portion 101 and is not arranged on the second solid portion 102, or the hollow groove 14 is arranged along the second solid portion 102 and is not arranged on the first solid portion 101. Fig.15 The embodiment shown is a situation where the hollow groove 14 is arranged along the first solid portion 101 and the second solid portion 102 is not arranged.

[0033] In another embodiment, the hollow groove 14 is disposed along both the first solid portion 101 and the second solid portion 102. Figure 3 , Figure 7 and Fig.17 It should be noted that when both the first solid part 101 and the second solid part 102 are provided with hollow grooves 14, the entire waterproof substrate 10 is equivalent to the through holes 13 being protruded. Figure 3 and Figure 7 .

[0034] In this embodiment, the waterproof substrate 10 has at least one side which is a toothed edge 16 formed by a protruding portion of the first solid portion 101 or the second solid portion 102 and a half through-hole structure 131 formed by the first solid portion 101 and the second solid portion 102. Figure 2 , Figure 4 and Figure 6 It should be noted that when the toothed edge 16 is an edge along the direction of the first entity portion 101, the toothed edge 16 is composed of the protruding portion of the second entity portion 102 and the half through-hole structure 131 surrounded by the first entity portion 101 and the second entity portion 102; when the toothed edge 16 is an edge along the direction of the second entity portion 102, the toothed edge 16 is composed of the protruding portion of the first entity portion 101 and the half through-hole structure 131 surrounded by the first entity portion 101 and the second entity portion 102.

[0035] In this embodiment, when the toothed edges 16 of two waterproof substrates 10 of the same specification are spliced, the half through-hole structure 131 at the corresponding position can form a complete through-hole 13, and the waterproof substrates after splicing can achieve seamless splicing at the splicing point, achieving a visual sense of no splicing.

[0036] In a preferred solution of this embodiment, the first entity portion 101 is disposed longitudinally, and the second entity portion 102 is disposed transversely.

[0037] The entity area of ​​this embodiment is formed by the regular arrangement and expansion of the first entity part 101 and the second entity part 102. Specifically, the first entity part 101 and the second entity part 102 can be crossed together to form a basic shape unit, and then expanded by the basic shape unit. It should be noted that the first entity part 101 and the second entity part 102 in this embodiment are arranged as a whole, and the entity area formed by the expansion of the first entity part 101 and the second entity part 102 is also integrated. This description method in this embodiment is to better express the structure of the waterproof substrate. This technical solution cannot be understood as the first entity part 101 and the second entity part 102 are discrete independent individuals, and this patent will not elaborate on this.

[0038] The expansion method of the regular arrangement of the first entity portion 101 and the second entity portion 102 includes the expansion of the orthogonal regular arrangement of the first entity portion 101 and the second entity portion 102 and the expansion of the non-orthogonal regular arrangement.

[0039] 1. Extension of the orthogonal arrangement of the first entity portion 101 and the second entity portion 102 The same first entity portion 101 is expanded to form a long strip-shaped first entity strip 11, and the entity zone is composed of multiple first entity strips 11 and the second entity portions 102 are evenly arranged between two adjacent first entity strips 11; or the same second entity portion 102 is expanded to form a long strip-shaped second entity strip 12, and the entity zone is composed of multiple second entity strips 12 and the first entity portions 101 are evenly arranged between two adjacent second entity strips 12.

[0040] Figure 1 It is shown that the first entity portion 101 and the second entity portion 102 are long strips with uniform widths. The first entity portion 101 and the second entity portion 102 are vertically crossed to form a basic shape unit. Figure 2 for Figure 1 The solid area formed by the expansion of the basic shape unit is the waterproof substrate 10. At this time, the through hole 13 is a square hole. Figure 3 for Figure 2 Stereoscopic diagram.

[0041] exist Figure 2 and Figure 3 It can be seen that this waterproof substrate 10 meets the description of "the same first entity portion 101 is extended to form a long strip of first entity strips 11, and second entity portions 102 are evenly arranged between multiple first entity strips 11 and two adjacent first entity strips 11". Figure 2 To describe it from another angle, "the same second entity portion 102 is expanded to form a long strip-shaped second entity strip 12, and the first entity portions 101 are evenly arranged between the plurality of second entity strips 12 and two adjacent second entity strips 12" is also true.

[0042] Figure 5 The first entity portion 101 and the second entity portion 102 are perpendicularly intersected to form a basic shape unit. Figure 1 The difference is, Figure 5 The first solid part 101 and the second solid part 102 in the embodiment gradually widen near the vertical intersection position, and finally at Figure 6 In the expanded view, it is shown as a circular through hole 13. Figure 7 for Figure 6 A stereogram of Figure 7 It can be seen that both the first entity portion 101 and the second entity portion 102 are provided with hollow grooves 14, the through holes 13 are convexly arranged, and the hollow area at the vertical intersection of the first entity portion 101 and the second entity portion 102 can be appropriately widened.

[0043] exist Figure 7 and Figure 6 The waterproof substrate 10 shown in the figure also meets the description that “the same first entity portion 101 is extended to form a long strip-shaped first entity strip 11, and the second entity portions 102 are evenly arranged between the plurality of first entity strips 11 and two adjacent first entity strips 11”.

[0044] Figure 8 The first entity portion 101 and the second entity portion 102 are perpendicularly intersected to form a basic shape unit. Figure 5 resemblance, Figure 8 The first solid part 101 and the second solid part 102 in the embodiment gradually widen near the vertical intersection position, but Figure 8 The first solid part 101 in the embodiment is slightly longer, and finally Fig. 9 In the expanded view, the through hole 13 is shown as a waist-shaped or oblong hole.

[0045] exist Fig. 9 The waterproof substrate 10 shown in the figure also meets the description that “the same first entity portion 101 is extended to form a long strip-shaped first entity strip 11, and the second entity portions 102 are evenly arranged between the plurality of first entity strips 11 and two adjacent first entity strips 11”.

[0046] Fig.10 The figure shows that the first entity part 101 and two second entity parts 102 of different heights are perpendicularly crossed to form a basic shape unit. In the basic shape unit, the first entity part 101 is slightly longer than the second entity parts 102 on both sides. Fig.11 yes Fig.10 The solid area is formed by the expansion of the basic shape units.

[0047] exist Fig.11In the embodiment, the first entity portion 101 is a vertical first entity strip 11, and the two entity portions 102 between adjacent first entity strips 11 are misaligned. However, it still meets the description of "the same first entity portion 101 is extended to form a long strip-shaped first entity strip 11, and the second entity portions 102 are evenly arranged between the plurality of first entity strips 11 and the two adjacent first entity strips 11".

[0048] In the preferred embodiment of the present invention, the first entity portion 101 is expanded to form a long strip of the first entity strip 11, and the second entity portion 102 is expanded to form a long strip of the second entity strip 12. A plurality of equally spaced first entity strips 11 and a plurality of equally spaced second entity strips 12 intersect vertically to form the entity area.

[0049] In this embodiment, the waterproof substrate 10 is preferably Figure 3 The square hole in Figure 7 The circular hole scheme in .

[0050] Regarding the “expansion of the orthogonal arrangement of the first entity portion 101 and the second entity portion 102”, this embodiment only lists Figure 1 , Figure 5 , Figure 8 and Fig.10 There are three expansion methods. Other methods that conform to the description of this embodiment are also protected by this patent and will not be listed one by one in this embodiment.

[0051] 2. Extension of the non-orthogonal arrangement of the first entity portion 101 and the second entity portion 102 The technical solution includes an expansion method in which the first entity part 101 and the second entity part 102 are arranged in a non-orthogonal regular pattern, such as the same first entity part 101 is expanded to form a long strip of first entity strip 11, and the entity area is composed of multiple first entity strips 11 and the second entity part 102 is arranged at a certain angle between two adjacent first entity strips 11.

[0052] In a further embodiment of the present invention, Figure 3 , Figure 4 and Fig.12 As shown, the waterproof substrate 10 is also provided with a fixing portion 15, which is arranged on the inner wall of the hollow groove 14 and is integrally arranged with the waterproof substrate 10. When the circuit structure is installed into the hollow groove 14 and reaches a predetermined position, the fixing portion 15 fixes the circuit structure in the hollow groove 14.

[0053] Specifically, the fixing portion 15 includes a boss 151 protruding from the inner wall of the hollow groove, the lower inner wall of the hollow groove 14 at the boss is hollowed out, and the distance between the lower edge of the boss and the bottom of the hollow groove is not less than the thickness of the circuit structure.

[0054] It should be noted that the fixing parts 15 are evenly distributed on the waterproof substrate 10, and the protruding surface of the boss 151 is preferably an inclined surface, so as to facilitate the circuit structure to be inserted into the bottom of the hollow groove. In an alternative solution, the protruding surface of the boss 151 can also be a vertical surface. Example

[0055] This embodiment is a transparent waterproof display device including the embodiment 1, and further includes a light emitting module 20, wherein the light emitting module 20 is arranged in the waterproof substrate 10. Fig.12 and Fig.13 shown.

[0056] In this embodiment, the light emitting module 20 includes a circuit structure 21 , and a sealing layer is disposed in the hollow groove 14 . The sealing layer seals the circuit structure 21 in the hollow groove 14 .

[0057] In this embodiment, the light emitting module 20 includes an LED light emitting body 22 , and the LED light emitting body 22 is electrically connected to the circuit structure 21 .

[0058] In this embodiment, the LED luminous body 22 is located at the intersection of the first solid part 101 and the second solid part 102, and the light-emitting surface of the LED luminous body 22 is exposed to the sealing layer. Fig.11 In the layout of the first entity portion 101 and the second entity portion 102 , the LED light emitting body 22 can be disposed at any position of the first entity portion 101 and the second entity portion 102 .

[0059] In this embodiment, the circuit structure 21 is a strip PCB board, such as Fig.14 shown.

[0060] At this time, the hollow groove 14 is arranged along the first solid part 101 or the hollow groove 14 is arranged along the second solid part 102 .

[0061] When the hollow groove 14 is arranged along the first solid part 101, the second solid part 102 is not provided with the hollow groove 14 and is a solid structure; when the hollow groove 14 is arranged along the second solid part 102, the first solid part 101 is not provided with the hollow groove 14 and is a solid structure.

[0062] In the transparent waterproof display device, the strip-shaped PCB board is embedded in the hollow groove of the first entity part 101 or the second entity part 102 .

[0063] Fig.15The figure shows a case where a strip PCB is arranged in the waterproof substrate 10: the first entity part 101 is provided with a hollow groove 14, and the second entity part 102 is not provided with a hollow groove 14. In a waterproof substrate 10, a strip PCB is embedded in the hollow groove 14 of each first entity part 101 and a sealing layer is arranged on the strip PCB, and the second entity part 102 is a solid structure without a sealing layer.

[0064] In the preferred solution of this embodiment, the circuit structure 21 is configured as a hollow PCB board, such as Fig.16 shown.

[0065] At this time, the hollow groove 14 is arranged along the first solid part 101 and the second solid part 102. The circuit structure 21 is a hollow PCB board having the same hollow position and shape as the waterproof substrate 10.

[0066] In the transparent waterproof display device, the hollow PCB board can be embedded in the hollow grooves of the first entity part 101 and the second entity part 102 .

[0067] Fig.13 and Fig.17 The figure shows a situation where a hollow PCB board is arranged in the waterproof substrate 10: both the first entity part 101 and the second entity part 102 are provided with hollow grooves 14, the hollow PCB board is completely embedded in the waterproof substrate 10, and a sealing layer is arranged on the hollow PCB board.

[0068] The transparent waterproof display device recorded in this technical solution can achieve high-level waterproof and dustproof requirements.

[0069] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A waterproof substrate, characterized in that: The waterproof substrate is a hollow plate, comprising a solid area and a hollow area, wherein the solid area is formed by the regular arrangement and expansion of the first solid part and the second solid part, and the hollow area is a regularly arranged through hole, wherein the through hole is formed by the expansion of the first solid part and the second solid part. The solid area is provided with a hollow groove, and the hollow groove is arranged along the first solid part and / or along the second solid part; The waterproof substrate has at least one side which is a toothed side consisting of a protruding portion of the first entity part or the second entity part and a half through-hole structure surrounded by the first entity part and the second entity part.

2. The waterproof substrate according to claim 1, characterized in that: The first entity portion and the second entity portion intersect to form a shape unit, and the shape units are arranged and expanded to form the entity area.

3. The waterproof substrate according to claim 1, characterized in that: The first solid part is expanded to form a long first solid strip, and the solid area is composed of a plurality of the first solid strips and the second solid parts evenly arranged between two adjacent first solid strips; Or the same second entity portion is expanded to form a long second entity strip, and the entity area is composed of a plurality of the second entity strips and the first entity portions are evenly arranged between two adjacent second entity strips.

4. The waterproof substrate according to claim 1, characterized in that: The first entity part is expanded to form a long strip of first entity strip, the second entity part is expanded to form a long strip of second entity strip, and a plurality of equally spaced first entity strips and a plurality of equally spaced second entity strips are perpendicularly intersected to form the entity area.

5. The waterproof substrate according to claim 1, characterized in that: The waterproof substrate is also provided with a fixing portion, which is arranged on the inner side wall of the hollow groove and is integrally arranged with the waterproof substrate. When the circuit structure is installed in the hollow groove and reaches a predetermined position, the fixing portion fixes the circuit structure in the hollow groove.

6. The waterproof substrate according to claim 5, characterized in that: The fixing portion includes a boss protruding from the inner side wall of the hollow groove, the lower part of the inner side wall of the hollow groove at the boss is hollowed out, and the distance between the lower edge of the boss and the bottom of the hollow groove is not less than the thickness of the circuit structure.

7. A transparent waterproof display device, comprising the waterproof substrate according to any one of claims 1 to 6, characterized in that: It also includes a light-emitting module, which is arranged in the waterproof substrate; The light-emitting module comprises a circuit structure, and a sealing layer is arranged in the hollow groove, and the sealing layer seals the circuit structure in the hollow groove.

8. The transparent waterproof display device according to claim 7, characterized in that: The light-emitting module comprises an LED light-emitting body, and the LED light-emitting body is electrically connected to the circuit structure; In the transparent waterproof display device, the LED light-emitting body is located at the intersection of the first entity part and the second entity part, and the light-emitting surface of the LED light-emitting body is exposed to the sealing glue layer.

9. The transparent waterproof display device according to claim 7, characterized in that: The circuit structure is a strip PCB board: When the hollow groove is arranged along the first solid part or the hollow groove is arranged along the second solid part, the circuit structure is composed of a strip-shaped PCB board; In the transparent waterproof display device, the strip-shaped PCB board is embedded in the hollow groove of the first entity part or the second entity part.

10. The transparent waterproof display device according to claim 7, characterized in that: The circuit structure is a hollow PCB board: When the hollow groove is arranged along the first entity part and the second entity part, the circuit structure is a hollow PCB board having the same hollow position and shape as the waterproof substrate; In the transparent waterproof display device, the hollow PCB board is embedded in the hollow grooves of the first entity part and the second entity part.

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