Waterproof substrate and transparent waterproof display device

Abstract

The utility model discloses a waterproof substrate and a transparent waterproof display device, the waterproof substrate is a hollowed-out plate and comprises a solid area and a hollowed-out area, the solid area is formed by interweaving, arranging and expanding a first solid part and a second solid part, the hollowed-out area is regularly arranged through holes, and the first solid part and the second solid 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-out groove of the waterproof substrate, and then the circuit structure is sealed in the hollow-out groove through the glue sealing layer, so that the waterproof and dustproof purposes are achieved.

Description

Technical Field

[0001] This utility model relates to the field of LED waterproof display technology, and in particular to a waterproof substrate and a transparent waterproof display device. Background Technology

[0002] A transparent display device is created by regularly spaced through-holes on a PCB substrate, with LEDs arranged in an array in the non-through-hole areas. This type of display is widely used for indoor advertising and displays. Its characteristics include thinness, lightness, and transparency; it does not obstruct the view when not in use, achieving a transparent display effect.

[0003] However, these types of display devices face some technical challenges when extended to outdoor environments, such as waterproofing and dustproofing. Developing a waterproof and dustproof structure while maintaining a thin and transparent display is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] To address the shortcomings of the existing technology, this utility model discloses two technical solutions.

[0005] The first technical solution is a waterproof substrate, which includes a hollowed-out groove. The light-emitting module is placed in the hollowed-out groove and then sealed with adhesive 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 an IP57 protection level for outdoor applications.

[0007] The first technical solution of this utility model is as follows:

[0008] A waterproof substrate is a perforated board comprising a solid area and a perforated area. The solid area is formed by the regular arrangement and expansion of a first solid portion and a second solid portion. The perforated area consists of regularly arranged through holes, which are formed by the expansion of the first solid portion and the second solid portion.

[0009] Furthermore, the solid area is provided with a hollowed-out groove, which is provided along the first solid portion and / or along the second solid portion.

[0010] In this technical solution, the waterproof substrate has at least one side that is a protruding part of the first solid part or the second solid part, and a toothed edge composed of a half-through hole structure formed by the first solid part and the second solid part.

[0011] In this technical solution, the first solid part and the second solid part intersect to form a shape unit, and the shape unit is arranged and expanded to form the solid area.

[0012] Furthermore, the first entity portion is extended to form an elongated first entity strip, and the entity region is composed of multiple first entity strips and second entity portions evenly arranged between adjacent first entity strips.

[0013] Alternatively, the same second entity portion may be extended to form an elongated second entity strip, and the entity region is composed of multiple second entity strips and the first entity portion evenly disposed between adjacent second entity strips.

[0014] In another technical solution, the same first solid portion is expanded to form an elongated first solid strip, and the same second solid portion is expanded to form an elongated second solid strip. Multiple first solid strips arranged at equal intervals and multiple second solid strips arranged at equal intervals intersect perpendicularly to form the solid region.

[0015] Furthermore, the waterproof substrate is also provided with a locking part, which is disposed on the inner side wall of the hollow groove and is integrally disposed with the waterproof substrate. When the circuit structure is installed into the hollow groove and reaches the predetermined position, the locking part locks the circuit structure in the hollow groove.

[0016] In this technical solution, the locking part includes a boss protruding from the inner wall of the hollow groove. The lower part of the inner 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.

[0017] The second technical solution of this utility model 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 disposed in the waterproof substrate.

[0018] The light-emitting module includes a circuit structure, and an adhesive layer is provided in the hollow groove to seal the circuit structure in the hollow groove.

[0019] In this technical solution, the light-emitting module includes an LED light-emitting element, and the LED light-emitting element is electrically connected to the circuit structure.

[0020] In the aforementioned transparent waterproof display device, the LED light-emitting body is located at the intersection of the first solid part and the second solid part, and the light-emitting surface of the LED light-emitting body exposes the sealing layer.

[0021] In this technical solution, the circuit structure is a strip PCB board:

[0022] When the cutout groove is provided along the first solid portion or the cutout groove is provided along the second solid portion, the circuit structure is composed of a strip PCB board.

[0023] In the aforementioned transparent waterproof display device, the strip PCB board is embedded in the hollowed-out groove of the first solid part or the second solid part.

[0024] In another technical solution, the circuit structure is a hollowed-out PCB board:

[0025] When the hollowed-out groove is provided along the first solid portion and the second solid portion, the circuit structure is a hollowed-out PCB board that is consistent with the hollowed-out position and shape of the waterproof substrate.

[0026] In the aforementioned transparent waterproof display device, the hollowed-out PCB board is embedded in the hollowed-out grooves of the first solid part and the second solid part.

[0027] This utility model discloses a waterproof substrate with a hollowed-out groove structure, and also discloses a transparent waterproof display device containing a light-emitting module. The circuit structure in the light-emitting module can be embedded and fixed in the hollowed-out groove, and then the sealing layer seals the circuit structure in the hollowed-out groove, thereby achieving the purpose of waterproofing and dustproofing. Attached Figure Description

[0028] Figure 1 This 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 a basic shape unit;

[0029] Figure 2 yes Figure 1 A schematic diagram of the structure of a waterproof substrate formed by the regular arrangement and expansion of basic shape units in the embodiment shown;

[0030] Figure 3 yes Figure 2 A three-dimensional front view of the waterproof substrate in the illustrated embodiment;

[0031] Figure 4 yes Figure 2 A schematic diagram of the three-dimensional back structure of the waterproof substrate in the illustrated embodiment;

[0032] Figure 5 This 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;

[0033] Figure 6 yes Figure 5 A schematic diagram of the structure of a waterproof substrate formed by the regular arrangement and expansion of basic shape units in the embodiment shown;

[0034] Figure 7 yes Figure 5 A three-dimensional structural diagram of the waterproof substrate in the illustrated embodiment;

[0035] Figure 8This 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;

[0036] Figure 9 yes Figure 8 A schematic diagram of the structure of a waterproof substrate formed by the regular arrangement and expansion of basic shape units in the embodiment shown;

[0037] Figure 10 This 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;

[0038] Figure 11 yes Figure 10 A schematic diagram of the structure of a waterproof substrate formed by the regular arrangement and expansion of basic shape units in the embodiment shown;

[0039] Figure 12 This is a schematic diagram showing the position and structure of the locking part in a waterproof substrate according to this utility model;

[0040] Figure 13 This is a schematic diagram of one embodiment of the transparent waterproof display device of this utility model;

[0041] Figure 14 This is a schematic diagram of an embodiment of the light-emitting module in a transparent waterproof display device according to this utility model;

[0042] Figure 15 yes Figure 14 A schematic diagram of an embodiment of a transparent waterproof display device with a light-emitting module shown;

[0043] Figure 16 This is a schematic diagram of another embodiment of the light-emitting module in a transparent waterproof display device according to this utility model;

[0044] Figure 17 yes Figure 16 The diagram shows a structural schematic of an embodiment of a transparent waterproof display device with a light-emitting module. Detailed Implementation

[0045] The present invention will now be described in further detail with reference to the accompanying drawings.

[0046] To better illustrate this embodiment, some components in the accompanying drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product; those skilled in the art will understand the omission of certain well-known structures and their descriptions in the drawings. The same or similar reference numerals correspond to the same or similar components.

[0047] This invention solves the technical problems of waterproofing and dustproofing faced by LED transparent display devices when applied outdoors.

[0048] The specific embodiments of this utility model are as follows: Example

[0049] This embodiment discloses a waterproof substrate, such as Figures 1-11 As shown, the waterproof substrate 10 is a hollow plate, which includes a solid area and a hollow area. The solid area is formed by the regular arrangement and expansion of the first solid part 101 and the second solid part 102. The hollow area is formed by the regular arrangement of through holes 13. The through holes 13 are formed by the expansion of the first solid part 101 and the second solid part 102.

[0050] The through hole 13 in this technical solution is preferably a square hole, but it can also be a round hole, an oblong hole (or a rectangular hole), or other polygonal holes.

[0051] In this embodiment, the solid area is provided with a hollow groove 14, which is provided along the first solid part 101 and / or along the second solid part 102.

[0052] Specifically, in one embodiment, the hollowed-out groove 14 is provided along the first solid portion 101, and the second solid portion 102 is not provided; or the hollowed-out groove 14 is provided along the second solid portion 102, and the first solid portion 101 is not provided. Figure 15 The embodiment shown is a case where the hollowed-out groove 14 is provided along the first solid portion 101, and the second solid portion 102 is not provided.

[0053] In another embodiment, the hollowed-out groove 14 is provided along both the first solid portion 101 and the second solid portion 102. Figure 3 , Figure 7 and Figure 17 The illustrated embodiment represents this situation. It should be noted that when both the first solid portion 101 and the second solid portion 102 are provided with the hollowed-out groove 14, the entire waterproof substrate 10 is equivalent to the through hole 13 protruding outwards; see the specific reference [reference needed]. Figure 3 and Figure 7 .

[0054] In this embodiment, the waterproof substrate 10 has at least one side that is a protruding portion of the first solid portion 101 or the second solid portion 102, and a toothed edge 16 formed by a half-through hole structure 131 enclosed by the first solid portion 101 and the second solid portion 102, such as Figure 2 , Figure 4 and Figure 6As shown. It should be noted that when the toothed edge 16 is an edge along the direction of the first solid portion 101, the toothed edge 16 is composed of the protruding portion of 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; when the toothed edge 16 is an edge along the direction of the second solid portion 102, the toothed edge 16 is composed of the protruding portion of the first solid portion 101 and a half-through hole structure 131 formed by the first solid portion 101 and the second solid portion 102.

[0055] 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. The spliced ​​waterproof substrates can achieve seamless splicing at the splicing point, and achieve a visually seamless appearance.

[0056] In a preferred embodiment, the first physical portion 101 is arranged vertically, and the second physical portion 102 is arranged horizontally.

[0057] In this embodiment, the solid region is formed by the regular arrangement and expansion of the first solid portion 101 and the second solid portion 102. Specifically, the first solid portion 101 and the second solid portion 102 can first intersect to form a basic shape unit, and then expand from the basic shape unit. It should be noted that in this embodiment, the first solid portion 101 and the second solid portion 102 are integrally disposed, and the solid region formed by the expansion of the first solid portion 101 and the second solid portion 102 is also integral. This description method in this embodiment is for better expression of the structure of the waterproof substrate. This technical solution should not be understood as the first solid portion 101 and the second solid portion 102 being discrete independent individuals. This patent will not elaborate further on this point.

[0058] The extended methods of the regular arrangement of the first entity part 101 and the second entity part 102 include the extension of the orthogonal regular arrangement of the first entity part 101 and the extension of the non-orthogonal regular arrangement of the second entity part 102.

[0059] I. Extension of the orthogonal arrangement of the first solid part 101 and the second solid part 102

[0060] The same first entity portion 101 is extended to form an elongated first entity strip 11, and the entity region is composed of a plurality of the first entity strips 11 and a second entity portion 102 evenly disposed between two adjacent first entity strips 11; or the same second entity portion 102 is extended to form an elongated second entity strip 12, and the entity region is composed of a plurality of the second entity strips 12 and a first entity portion 101 evenly disposed between two adjacent second entity strips 12.

[0061] Figure 1The diagram shows that the first solid portion 101 and the second solid portion 102 are elongated strips of uniform width, and the first solid portion 101 and the second solid portion 102 intersect perpendicularly to form a basic shape unit. Figure 2 for Figure 1 The solid area formed by expanding the basic shape unit, namely the waterproof substrate 10, has the through hole 13 as a square hole. Figure 3 for Figure 2 A three-dimensional image.

[0062] exist Figure 2 and Figure 3 As can be seen from this, this type of waterproof substrate 10 satisfies the description that "the same first solid part 101 is extended to form a long strip first solid strip 11, and a second solid part 102 is uniformly disposed between multiple first solid strips 11 and two adjacent first solid strips 11". Figure 2 To describe it from another angle, such as "the same second entity part 102 expands to form a long strip of second entity strip 12, and a first entity part 101 is evenly arranged between multiple second entity strips 12 and two adjacent second entity strips 12", it is also valid.

[0063] Figure 5 The diagram shows a basic shape unit formed by the perpendicular intersection of the first solid portion 101 and the second solid portion 102. Figure 1 The difference is, Figure 5 The first solid portion 101 and the second solid portion 102 gradually widen near their perpendicular intersection, eventually reaching... Figure 6 The extended diagram shows it as a circular through hole 13. Figure 7 for Figure 6 The 3D diagram, by Figure 7 It can be seen that both the first solid part 101 and the second solid part 102 are provided with hollowed-out grooves 14, and the through hole 13 is protruding. Moreover, the hollowed-out area at the vertical intersection of the first solid part 101 and the second solid part 102 can be appropriately widened.

[0064] exist Figure 7 and Figure 6 The waterproof substrate 10 shown also satisfies the description that "the same first solid portion 101 is extended to form an elongated first solid strip 11, and a second solid portion 102 is uniformly disposed between a plurality of first solid strips 11 and two adjacent first solid strips 11".

[0065] Figure 8 The diagram shows a basic shape unit formed by the perpendicular intersection of the first solid portion 101 and the second solid portion 102. Figure 5 resemblance, Figure 8 The first solid portion 101 and the second solid portion 102 gradually widen near their perpendicular intersection, but Figure 8 The first entity part 101 is slightly longer, and finally in Figure 9The extended diagram shows a through hole 13 that is waist-shaped or oblong.

[0066] exist Figure 9 The waterproof substrate 10 shown also satisfies the description that "the same first solid portion 101 is extended to form an elongated first solid strip 11, and a second solid portion 102 is uniformly disposed between a plurality of first solid strips 11 and two adjacent first solid strips 11".

[0067] Figure 10 The diagram shows a basic shape unit formed by the perpendicular intersection of a first solid portion 101 and two second solid portions 102 of unequal height. In this basic shape unit, the first solid portion 101 is slightly longer than the two second solid portions 102 on either side. Figure 11 yes Figure 10 The solid region is formed by expanding the basic shape unit.

[0068] exist Figure 11 In the diagram, the first solid part 101 is represented by a vertical first solid strip 11, and the two solid parts 102 between adjacent first solid strips 11 are misaligned. However, it still satisfies the description that "the same first solid part 101 expands to form a long strip first solid strip 11, and the second solid parts 102 are evenly arranged between multiple first solid strips 11 and two adjacent first solid strips 11".

[0069] In a preferred embodiment, the same first solid portion 101 is extended to form an elongated first solid strip 11, and the same second solid portion 102 is extended to form an elongated second solid strip 12. Multiple equally spaced first solid strips 11 and multiple equally spaced second solid strips 12 intersect perpendicularly to form the solid area.

[0070] In this embodiment, the waterproof substrate 10 is preferably... Figure 3 The square hole in Figure 7 The circular hole scheme in the middle.

[0071] Regarding the "extension of the orthogonal arrangement of the first solid part 101 and the second solid part 102", this embodiment only lists... Figure 1 , Figure 5 , Figure 8 and Figure 10 The three extension methods are also covered by this patent, and other methods that conform to the description in this embodiment are also protected. This embodiment will not list them all.

[0072] II. Extension of the non-orthogonal arrangement of the first solid part 101 and the second solid part 102

[0073] This 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 pattern, such as when the same first entity part 101 is expanded to form a long strip first entity bar 11, and the entity area is composed of multiple first entity bars 11 and second entity parts 102 that are set at a certain angle between two adjacent first entity bars 11, etc.

[0074] In a further embodiment, such as... Figure 3 , Figure 4 and Figure 12 As shown, the waterproof substrate 10 is also provided with a locking part 15. The locking part 15 is disposed on the inner side wall of the hollow groove 14 and is integrally disposed with the waterproof substrate 10. When the circuit structure is installed into the hollow groove 14 and reaches the predetermined position, the locking part 15 locks the circuit structure in the hollow groove 14.

[0075] Specifically, the locking part 15 includes a boss 151 protruding from the inner wall of the hollow groove. The lower part of the 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.

[0076] It should be noted that the locking 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 insertion of the circuit structure 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

[0077] This embodiment is a transparent waterproof display device including Embodiment 1, and further includes a light-emitting module 20, which is disposed within the waterproof substrate 10, such as... Figure 12 and Figure 13 As shown.

[0078] In this embodiment, the light-emitting module 20 includes a circuit structure 21, and a sealing layer is provided in the hollow groove 14, which seals the circuit structure 21 in the hollow groove 14.

[0079] In this embodiment, the light-emitting module 20 includes an LED light-emitting element 22, which is electrically connected to the circuit structure 21.

[0080] In this embodiment, the LED light-emitting element 22 is located at the intersection of the first solid portion 101 and the second solid portion 102, and the light-emitting surface of the LED light-emitting element 22 exposes the encapsulating layer. It should be noted that... Figure 11 In the arrangement of the first physical part 101 and the second physical part 102, the LED light-emitting element 22 can be disposed at any position of the first physical part 101 and the second physical part 102.

[0081] In this embodiment, the circuit structure 21 is a strip PCB board, such as... Figure 14 As shown.

[0082] At this time, the hollowed-out groove 14 is provided along the first solid portion 101 or the hollowed-out groove 14 is provided along the second solid portion 102.

[0083] When the hollowed-out groove 14 is provided along the first solid part 101, the second solid part 102 is a solid structure without the hollowed-out groove 14; when the hollowed-out groove 14 is provided along the second solid part 102, the first solid part 101 is a solid structure without the hollowed-out groove 14.

[0084] In the transparent waterproof display device, the strip PCB board is embedded in the hollow groove of the first solid part 101 or the second solid part 102.

[0085] Figure 15 The illustration shows a case where a strip PCB board is provided in the waterproof substrate 10: the first solid portion 101 is provided with a cutout groove 14, while the second solid portion 102 is not provided with a cutout groove 14. In a waterproof substrate 10, a strip PCB board is embedded in the cutout groove 14 of each first solid portion 101, and an adhesive layer is provided on the strip PCB board. The second solid portion 102 is a solid structure and is not provided with an adhesive layer.

[0086] In this preferred embodiment, the circuit structure 21 is configured as a hollowed-out PCB board, such as... Figure 16 As shown.

[0087] At this time, the cutout groove 14 is provided along the first solid portion 101 and the second solid portion 102. The circuit structure 21 is a cutout PCB board with the same cutout position and shape as the waterproof substrate 10.

[0088] In the transparent waterproof display device, the hollow PCB board can be embedded in the hollow grooves of the first solid part 101 and the second solid part 102.

[0089] Figure 13 and Figure 17 The illustration shows a case where a cutout PCB board is provided in the waterproof substrate 10: both the first solid part 101 and the second solid part 102 are provided with cutout grooves 14, the cutout PCB board is completely embedded in the waterproof substrate 10, and a sealing layer is provided on the cutout PCB board.

[0090] The transparent waterproof display device described in this technical solution can achieve a high level of waterproof and dustproof requirements.

[0091] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A waterproof substrate, characterized in that, The waterproof substrate is a hollow board, which includes a solid area and a hollow area. The solid area is formed by the regular arrangement and expansion of a first solid part and a second solid part. The hollow area is a regular arrangement of through holes, which are formed by the expansion of the first solid part and the second solid part. The solid area is provided with a hollowed-out groove, which is provided along the first solid part and / or along the second solid part; The waterproof substrate has at least one side that is a protruding portion of a first solid part or a second solid part, and a toothed edge composed of a half-through hole structure formed by the first solid part and the second solid part.

2. The waterproof substrate as described in claim 1, characterized in that, The first solid portion and the second solid portion intersect to form a shape unit, and the shape unit is arranged and expanded to form the solid region.

3. The waterproof substrate as described in claim 1, characterized in that, The first solid portion is expanded to form an elongated first solid strip, and the solid region is composed of multiple first solid strips and second solid portions evenly arranged between adjacent first solid strips; Alternatively, the same second entity portion may be extended to form an elongated second entity strip, and the entity region is composed of multiple second entity strips and the first entity portion evenly disposed between adjacent second entity strips.

4. The waterproof substrate as described in claim 1, characterized in that, The first solid portion described above is expanded to form an elongated first solid strip, and the second solid portion described above is expanded to form an elongated second solid strip. Multiple first solid strips arranged at equal intervals and multiple second solid strips arranged at equal intervals intersect perpendicularly to form the solid region described above.

5. The waterproof substrate as described in claim 1, characterized in that, The waterproof substrate is also provided with a locking part, which is disposed on the inner side wall of the hollow groove and is integrally disposed with the waterproof substrate. When the circuit structure is installed into the hollow groove and reaches the predetermined position, the locking part locks the circuit structure in the hollow groove.

6. The waterproof substrate as described in claim 5, characterized in that, The locking part includes a boss protruding from the inner wall of the hollow groove. The lower part of the inner 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 1-6, characterized in that, It also includes a light-emitting module, which is disposed within the waterproof substrate; The light-emitting module includes a circuit structure, and an adhesive layer is provided in the hollow groove to seal the circuit structure in the hollow groove.

8. The transparent waterproof display device as described in claim 7, characterized in that, The light-emitting module includes an LED light-emitting element, which is electrically connected to the circuit structure. In the aforementioned transparent waterproof display device, the LED light-emitting body is located at the intersection of the first solid part and the second solid part, and the light-emitting surface of the LED light-emitting body exposes the sealing layer.

9. The transparent waterproof display device as described in claim 7, characterized in that, The circuit structure described is a strip PCB board: When the cutout groove is provided along the first solid part or the cutout groove is provided along the second solid part, the circuit structure is composed of a strip PCB board. In the aforementioned transparent waterproof display device, the strip PCB board is embedded in the hollowed-out groove of the first solid part or the second solid part.

10. The transparent waterproof display device as described in claim 7, characterized in that, The circuit structure described is a hollow PCB board: When the hollowed-out groove is provided along the first solid portion and the second solid portion, the circuit structure is a hollowed-out PCB board that is consistent with the hollowed-out position and shape of the waterproof substrate. In the aforementioned transparent waterproof display device, the hollowed-out PCB board is embedded in the hollowed-out grooves of the first solid part and the second solid part.

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