Edge-sealed waterproof light-emitting plate
By using a sealed waterproof light-emitting panel design, the problems of traditional light-emitting panels being affected by the frame and lacking waterproofness are solved. This achieves the aesthetics of a frameless design and good sealing performance in high-humidity environments, while extending the service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-24
AI Technical Summary
The frame of traditional light-emitting panels affects the light-emitting effect and is not waterproof enough, resulting in interruption of visual brightness and shortened lifespan.
The design features a waterproof and light-emitting panel with sealed edges. The back panel is surrounded by a sealing strip to form a frameless structure. The light strip is housed in a cavity formed by the stepped groove and the sealing strip. Double-sided adhesive strips are used to enhance the seal. Through holes are provided on the back panel for wires to pass through.
It achieves both continuity and aesthetic appeal in its luminous effect, while maintaining a sealed environment in high humidity conditions, thus extending its service life.
Smart Images

Figure CN224033756U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a lamp structure technical field especially relates to a sealed edge waterproof luminous board. BACKGROUND
[0002] The light guide plate type luminous board is a kind of lighting device that point light source or linear light source is converted into uniform surface light source by optical design, and its core component is light guide plate (usually made of transparent high polymer material), combined with light source (such as LED), reflective film, diffusion film etc., realize high efficiency, uniform light distribution.
[0003] With the wide application of modern lighting products, the market puts forward higher requirements on light efficiency, appearance and protection performance.The traditional luminous board product has the following problems:
[0004] Frame limit: traditional frame design affects overall luminous effect, causes visual brightness interruption, reduces aesthetic appearance;
[0005] Insufficient waterproofness: in outdoor or high-humidity environment, the edge of traditional luminous board is easy to enter water, shortens product service life. INVENTION CONTENTS
[0006] The utility model aims at solving the problems of traditional luminous board frame affecting luminous effect and insufficient waterproofness in prior art, and provides a sealed edge waterproof luminous board.
[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0008] A kind of sealed edge waterproof luminous board, including backboard and light bar, the backboard is stacked with diffusion plate, light guide plate and reflective film from top to bottom in sequence, the light bar is arranged in the side edge of light guide plate, further include the frame structure of sealing edge strip, it is surrounded and covered in the four around backboard, and the upper edge of sealing edge strip is flush with the top surface of diffusion plate.
[0009] In order to better stabilize luminous source, preferably, the bottom side of the light guide plate is provided with a stepped groove, the stepped groove forms a containing cavity with the sealing edge strip, and the light bar is arranged in the containing cavity.
[0010] In order to protect luminous source, further, the depth of the stepped groove is less than the thickness of the light guide plate.
[0011] In order to improve the integrity of luminous board, still further, the light bar is connected with a wire, the backboard is provided with a through hole, and the wire penetrates through the through hole.
[0012] Preferably, it further includes double-sided adhesive tape, the double-sided adhesive tape is surrounded at the edge of reflective film, and the double-sided adhesive tape is arranged on the upper and lower surfaces of the reflective film respectively.
[0013] Further, the width of the double-sided adhesive tape ranges from 0.2cm to 0.8cm.
[0014] Preferably, the material of the edge sealing strip is plastic or leather.
[0015] Preferably, the material of the diffusion plate is one of PC, PMMA and PS.
[0016] Preferably, the material of the back plate is wood or PVC.
[0017] Preferably, the light-emitting surface array of the light guide plate has optical structure.
[0018] Compared with the prior art, the utility model provides a waterproof edge sealing light-emitting plate with the following beneficial effects:
[0019] 1. The waterproof edge sealing light-emitting plate, the accommodation cavity formed by the stepped groove and the edge sealing strip, the lamp strip is arranged in the accommodation cavity, and the depth of the stepped groove is less than the thickness of the light guide plate, which can ensure the stability of the lamp strip after being placed, prevent the lamp strip from being squeezed, make the light emission more stable, make the light-emitting lamp strip have a relatively independent space, and make the light of the light-emitting lamp strip uniformly enter the light guide plate, thereby improving the continuity of the light emission in vision.
[0020] 2. The waterproof edge sealing light-emitting plate, the double-sided adhesive tape is wrapped around the edge of the reflective film, and the two pieces of double-sided adhesive tape are arranged on the upper and lower surfaces of the reflective film, so as to stably reflect and enhance the output of light.
[0021] 3. The waterproof edge sealing light-emitting plate, the through hole is arranged on the back plate, the wire is led out for power supply, and other structures of the whole light-emitting plate are not damaged, so as to improve the integrity of the whole light-emitting plate.
[0022] 4. The waterproof edge sealing light-emitting plate, the frameless design makes the whole light-emitting plate more integrated, is suitable for scenes with high aesthetic requirements, the light is uniform and soft after the optical structure is optimized, is suitable for high-standard lighting environment, the hot melt edge sealing strip provides a tight edge package, is suitable for various outdoor environments, the modular design reduces production difficulty and assembly cost, is suitable for mass production, and is not limited to size, thickness, waterproofness, light-emitting color, indoor and outdoor installation mode and the like.
[0023] The parts not involved in the device are the same as or can be realized by the prior art, the edge sealing strip of the utility model is wrapped around each stacked plate body in a complete annular structure, thereby forming a complete closed cube, on the one hand, the frameless light-emitting effect is formed, the interruption of brightness in vision is prevented, the aesthetic appearance is ensured, and on the other hand, the sealing property of the whole light-emitting plate can be ensured in a high-humidity environment, water vapor is prevented from entering, and the service life of the light-emitting plate is improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 A whole view of the edge-sealed waterproof light-emitting plate is provided in the utility model;
[0025] Figure 2 An expanded view of the edge-sealed waterproof light-emitting plate is provided in the utility model;
[0026] Figure 3 A sectional view of the edge-sealed waterproof light-emitting plate is provided in the utility model;
[0027] Figure 4 A light guide plate schematic view of the edge-sealed waterproof light-emitting plate is provided in the utility model.
[0028] In the figure: 1, edge strip; 2, diffusion plate; 3, light guide plate; 4, reflective film; 5, double-sided adhesive tape; 6, back plate; 7, through hole; 8, light bar; 9, wire; 10, stepped groove. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0030] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0031] Embodiment:
[0032] Reference Figures 1-4The utility model provides a kind of edge sealing waterproof luminous plate, including the backboard 6 made of wood or PVC material, for providing support as base plate and preventing mechanical damage, install the light bar 8 with wire 9 on backboard 6, here, the through hole 7 is opened on backboard 6 to supply power for wire 9 to go out, and other structures of the whole luminous plate are not destroyed, to improve the integrity of whole luminous plate, diffusion plate 2, light guide plate 3 and reflective film 4 are sequentially stacked on backboard 6 from top to bottom, specifically, diffusion plate 2 is installed on the front of light guide plate 3, and is fixed by screw or adhesive method, the light emitting surface of LED light bar 8 is attached to the four side edges of light guide plate 3, and the luminous plate structure with thickness is stacked and is surrounded by edge sealing strip 1 in frame structure, can be pasted using hot melt adhesive, to ensure that the joint of stacking does not appear exposed, so as to ensure the sealing of whole luminous plate, and the upper edge of edge sealing strip 1 is flush with the top surface of diffusion plate 2, and the lower edge is flush with the bottom surface of backboard 6, so that the whole luminous body forms a sealed cube, and the through hole 7 where wire 9 goes out can also be provided with sealing ring or sealing glue for further sealing and fixing, so as to improve the integrity and sealing of whole luminous plate.
[0033] In the above structural design, the edge sealing strip 1 of a complete annular structure is wrapped around each stacked plate body, thereby forming a completely closed cube. On the one hand, it forms a frameless lighting effect, prevents the interruption of brightness in vision, and ensures the aesthetic appearance. On the other hand, it can still ensure the sealing of the whole luminous plate in a high-humidity environment, prevents water vapor from entering, and improves the service life of the luminous plate.
[0034] Specifically, a stepped groove 10 is formed on the bottom side edge of the light guide plate 3, the stepped groove 10 forms a containing cavity with the edge sealing strip 1, the light bar 8 is arranged in the containing cavity, and the depth of the stepped groove 10 is less than the thickness of the light guide plate 3. This can ensure the stability of the light bar 8 after placement, prevent the light bar 8 from being squeezed, make the light emission more stable, and also allow the light bar 8 to have a relatively independent space, so that the light of the light bar 8 is uniformly injected into the light guide plate 3, thereby improving the continuity of the light in vision.
[0035] There are also two double-sided adhesive strips 5 with a width of 0.2 cm-0.8 cm, preferably 0.3 cm, and a thickness of less than 0.1 cm. The double-sided adhesive strips 5 are wrapped around the edges of the reflective film 4, and two double-sided adhesive strips 5 are arranged on the upper and lower surfaces of the reflective film 4, respectively, to stably reflect and enhance the output of light.
[0036] Here, the material of the edge sealing strip 1 is selected to be plastic or leather, preferably the same material as the backboard 6, which facilitates the stability after hot melt adhesive bonding.
[0037] The material of the diffusion plate 2 is one of PC, PMMA, and PS.
[0038] The optical structure formed on the light emitting surface of the light guide plate 3 by laser engraving or silk screen printing can be circular, V-shaped, diamond-shaped or polygonal, etc., and is selected step by step according to the use scene and cost requirement.
[0039] The above merely describes a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, within the technical range disclosed by the present application, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change, which should be covered in the protection scope of the present application.
Claims
1. A sealed waterproof luminous panel, comprising a back panel (6) and a light strip (8), characterized in that, The back plate (6) is stacked from top to bottom with a diffuser plate (2), a light guide plate (3) and a reflective film (4). The light strip (8) is set on the side of the light guide plate (3). It also includes a sealing strip (1) in the form of a frame structure, which surrounds the back plate (6) and the upper edge of the sealing strip (1) is flush with the top surface of the diffuser plate (2).
2. The edge-sealed waterproof luminous board according to claim 1, characterized in that, The bottom side of the light guide plate (3) is provided with a stepped groove (10), the stepped groove (10) and the sealing strip (1) form a receiving cavity, and the light strip (8) is disposed in the receiving cavity.
3. The edge-sealed waterproof luminous board according to claim 2, characterized in that, The depth of the stepped groove (10) is less than the thickness of the light guide plate (3).
4. A waterproof and luminous board with edge sealing according to claim 1 or 3, characterized in that, A wire (9) is connected to the light strip (8), and a through hole (7) is provided on the back plate (6), through which the wire (9) passes.
5. The edge-sealed waterproof luminous board according to claim 1, characterized in that, It also includes double-sided adhesive strips (5), which are wrapped around the edge of the reflective film (4) and are respectively placed on the upper and lower surfaces of the reflective film (4).
6. The edge-sealed waterproof luminous board according to claim 5, characterized in that, The width range of the double-sided adhesive strip (5) is 0.2cm-0.8cm.
7. The edge-sealed waterproof luminous board according to claim 1, characterized in that, The edge banding strip (1) is made of plastic or leather.
8. The edge-sealed waterproof luminous board according to claim 1, characterized in that, The diffuser plate (2) is made of one of PC, PMMA and PS.
9. A waterproof and luminous board with edge sealing according to claim 1, characterized in that, The back panel (6) is made of wood or PVC.
10. A waterproof and luminous board with edge sealing according to claim 1, characterized in that, The light-emitting surface array of the light guide plate (3) has an optical structure.