Light guide plate with trapezoidal convex structure

Abstract

The utility model relates to the technical field of light guide plates, and discloses a light guide plate with a trapezoidal convex structure, which comprises a light guide plate body, the side surface of the light guide plate body is composed of a non-convex side surface and a convex side surface, a plurality of groups of trapezoidal convex bodies are integrally connected with the convex side surface at equal intervals, the trapezoidal convex bodies are in isosceles shapes, and the convex side surface of the light guide plate body is provided with a plurality of convex surfaces. White double-sided stickers are pasted on the non-convex side surfaces, mirror-like silver ink is sprayed on the edges of the trapezoidal convex bodies, and the mirror-like silver ink is used for forming reflection, so that the brightness difference between light rays at other positions of the light guide plate on the non-convex side surfaces and reflected light rays at the convex positions is reduced. According to the light guide plate, the convex light guide plate with the trapezoidal structure is designed, the mirror-like silver ink is sprayed on the side surface of the trapezoidal body to form reflection, and then the brightness difference between light rays at other positions of the light guide plate with the non-convex structure and reflected light rays at the convex position is reduced, so that the visual effect of black edges is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of light guide plates, in particular to a light guide plate with a trapezoidal convex structure. Background Art

[0002] The light guide plate is made of optical-grade acrylic sheet, and then made of high-tech materials with extremely high refractive index and non-light absorption, the light guide points are printed on the bottom of the optical-grade acrylic sheet by laser engraving, V-shaped cross grid engraving, and UV screen printing technology. The optical-grade acrylic sheet is used to absorb the light emitted from the lamp and stay on the surface of the optical-grade acrylic sheet. When the light hits each light guide point, the reflected light will diffuse to all angles, and then destroy the reflection conditions and shoot from the front of the light guide plate.

[0003] At present, for the backlight of the vehicle-mounted module, the light guide plate structure in the vehicle-mounted module is mainly divided into two types, one is a large rectangular light guide plate (usually there is a plastic frame to fix the light guide plate), and the other is a large rectangular light guide plate with a small rectangular buckle (it is fixed in the backlight casting by means of a small rectangular buckle). This light guide plate with a small rectangular protrusion is prone to produce black areas. The principle of forming black areas is: the side of the light guide plate without protrusions is close to the LED light source. When the light reaches the small rectangular protrusion through the light guide plate, the light is reflected and consumed in the small rectangle, resulting in a large difference in the amount of light coming out of 1 and the light at the horizontal position 2, forming a light difference. This light difference can generally be covered by increasing the ink area, but the requirements for the black ink area of ​​the vehicle-mounted display are becoming narrower and narrower (because there is no key area).

[0004] To this end, we provide a light guide plate with a trapezoidal protrusion structure. Utility Model Content

[0005] The purpose of the utility model is to provide a light guide plate with a trapezoidal protrusion structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a light guide plate with a trapezoidal convex structure, comprising a light guide plate body, wherein the side surface of the light guide plate body is composed of a non-convex side surface and a convex side surface.

[0007] Preferably, a plurality of groups of trapezoidal protrusions are equidistantly connected and integrated on the side surfaces of the protrusions, and are in an isosceles shape.

[0008] Preferably, a white double-sided adhesive is attached to the non-convex side.

[0009] Preferably, mirror silver ink is sprayed on the edge of the trapezoidal protrusion to form reflection and reduce the brightness difference between the light at other positions of the light guide plate on the non-protrusion side and the reflected light at the protrusion.

[0010] Preferably, six supporting columns are integrally connected horizontally above the light guide plate body.

[0011] Preferably, the six support pillars are used to hold the film above the light guide plate in place.

[0012] Preferably, the film may be one or more of a diffusion film, a brightness enhancement film, and a peek-through film.

[0013] Preferably, four bottom support columns are integrally connected horizontally below the light guide plate body.

[0014] Preferably, the four bottom support columns are used to support the entire light guide plate.

[0015] Preferably, four iron frame retaining posts are integrally connected to the four horizontal sides of the light guide plate body, and the four iron frame retaining posts are used to retain the holes of the casting backlight.

[0016] The utility model provides a light guide plate with a trapezoidal protrusion structure. It has the following beneficial effects:

[0017] (1) The utility model designs a light guide plate with a raised trapezoidal structure, sprays mirror silver ink on the side of the trapezoidal body to form a reflection, and then reduces the brightness difference between the light at other positions of the light guide plate with a non-raised structure and the reflected light at the raised position, thereby reducing the visual effect of the black edge.

[0018] (2) The utility model adopts a unique surface treatment technology. By sticking white double-sided adhesive tape on the non-raised side (it should be noted that the side close to the LED light is not sticky, and the other sides are all sticky), a normal diffuse reflection effect is formed on the non-raised side. At the same time, we carefully sprayed a layer of mirror silver ink on the edge of the trapezoidal protrusion, thus forming a mirror reflection effect on the edge of the trapezoidal protrusion. This design greatly reduces the light consumed by the pure rectangular protrusion inside, while the trapezoidal structure with mirror silver can reflect the light to the maximum extent, thereby improving the overall light utilization efficiency.

[0019] (3) The utility model uses a carefully designed support column to effectively position the diffusion film, light-enhancing film, and peeping film located directly above the light guide plate. These films with specific functions must be finely hollowed out during the manufacturing process to ensure that they can accurately form a closed positioning structure. This design not only allows light to be better dispersed and enhanced when passing through these films, but also provides a strong guarantee for the structural stability and service life of the overall lighting device. Through this structural optimization, the utility model not only ensures the lighting effect, but also greatly improves the reliability and durability of the product.

[0020] (4) The utility model successfully achieves a strong support effect on the entire light guide plate by carefully designing the bottom support column. This design not only ensures the stability of the light guide plate and avoids damage caused by shaking or instability, but also improves the durability of the overall structure. The addition of the bottom support column allows the light guide plate to be evenly supported when it is subjected to pressure from all directions, thereby effectively reducing deformation or damage caused by excessive local force. In addition, this design also helps to improve the installation efficiency of the light guide plate. Since the bottom support column can firmly connect the light guide plate to the supporting structure, a lot of time and manpower can be saved during the installation process. In general, the ingenious design of the bottom support column not only strengthens the structural stability of the light guide plate, but also improves the installation efficiency, providing a more reliable and efficient guarantee for the application of the light guide plate.

[0021] (5) The utility model ingeniously achieves accurate engagement of the casting backlight hole through the carefully designed iron frame positioning column 7, which effectively ensures the stability and accuracy of the casting backlight operation. This design not only improves work efficiency, but also ensures the safety of the operation process, and further improves the quality of the entire casting backlight operation. Through the careful design and optimization of the iron frame positioning column 7, the utility model can provide higher accuracy and reliability in the positioning and engagement of the casting backlight hole, thereby achieving the purpose of improving production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0023] Figure 2 It is a bottom view schematic diagram of the overall structure of the utility model;

[0024] Figure 3 This is a view of the mirror silver ink of the utility model.

[0025] In the figure: 1 light guide plate body, 2 support column, 3 trapezoidal protrusion, 4 white double-sided adhesive, 5 mirror silver ink, 6 bottom support column, 7 iron frame positioning column. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] A preferred embodiment of a light guide plate with a trapezoidal protrusion structure provided by the utility model is as follows: Figure 1-3 As shown: a light guide plate with a trapezoidal convex structure, comprising a light guide plate body 1, the side surface of the light guide plate body 1 is composed of a non-convex side surface and a convex side surface, wherein a plurality of groups of trapezoidal convex bodies 3 are connected equidistantly and integrally on the convex side surface, which are isosceles-shaped, a white double-sided adhesive 4 is attached to the non-convex side surface, and a mirror silver ink 5 is sprayed on the edge of the trapezoidal convex body 3 to form reflection and reduce the brightness difference between the light at other positions of the light guide plate on the non-convex side surface and the reflected light at the convex part;

[0030] In this embodiment, the utility model designs a light guide plate with a trapezoidal structure protrusion, and the design cleverly uses the side of the trapezoidal body to increase the reflection effect. In the specific implementation, we will spray mirror silver ink on the side of the trapezoidal body so that it can effectively reflect light. In this way, when the light is irradiated on the light guide plate, not only will it be reflected at the protrusion, but the side will also enhance the reflection effect due to the effect of the mirror silver ink. In addition, the utility model also considers reducing the brightness difference between the light at other positions of the light guide plate with a non-convex structure and the reflected light at the protrusion. This is done to reduce the visual effect of the black edge and make the entire light guide plate look more uniform and smooth. In this way, we can make the distribution of light on the light guide plate more uniform and avoid the sense of disharmony caused by the brightness difference. In general, the utility model effectively reduces the visual effect of the black edge by designing a light guide plate with a trapezoidal structure protrusion and spraying mirror silver ink on the side of the trapezoidal body to form a reflection, thereby improving the overall aesthetics and use effect of the light guide plate. This design not only improves the visual effect of the product, but also improves the user experience.

[0031] In this embodiment, a white double-sided adhesive 4 is attached to the non-raised side (the side close to the LED lamp is not attached, and the rest are attached) to form ordinary diffuse reflection, and a mirror silver ink 5 is sprayed on the edge of the trapezoidal protrusion 3 to form mirror reflection. The interior of the pure rectangular protrusion consumes too much light, while the trapezoidal structure with mirror silver can reflect enough light to the greatest extent.

[0032] See also Figure 1-Figure 3 , and on the basis of Example 1, it is further obtained that six support columns 2 are integrally connected to the horizontal upper side of the light guide plate body 1, and the six support columns 2 are used to position the diffusion film / brightness enhancement film / peep film above the light guide plate;

[0033] In this embodiment, the support column 2 is designed to hold the diffusion film / brightness enhancement film / peep film above the light guide plate. These films need to be hollowed out to form a closed position. These films with specific functions must be finely hollowed out during the manufacturing process to ensure that they can accurately form a closed position structure. Such a design not only allows the light to be better dispersed and enhanced when passing through these films, but also provides a strong guarantee for the structural stability and service life of the overall lighting device. Through this structural optimization, the utility model not only ensures the lighting effect, but also greatly improves the reliability and durability of the product.

[0034] See also Figure 1-Figure 3 , and on the basis of embodiments 1 and 2, it is further obtained that: four bottom support columns 6 are integrally connected to the horizontal lower side of the light guide plate body 1, and the four bottom support columns 6 are used to support the entire light guide plate;

[0035] In this embodiment, the bottom support column 6 is designed to support the entire light guide plate. This design not only ensures the stability of the light guide plate and avoids damage caused by shaking or instability, but also improves the durability of the overall structure. The addition of the bottom support column allows the light guide plate to be evenly supported when it is subjected to pressure from all directions, thereby effectively reducing deformation or breakage caused by excessive local force. In addition, this design also helps to improve the installation efficiency of the light guide plate. Since the bottom support column can firmly connect the light guide plate to the supporting structure, a lot of time and manpower can be saved during the installation process. In general, the ingenious design of the bottom support column not only strengthens the structural stability of the light guide plate, but also improves the installation efficiency, providing a more reliable and efficient guarantee for the application of the light guide plate.

[0036] See also Figure 1-Figure 3 On the basis of embodiments 1, 2 and 3, it is further obtained that four iron frame clamping posts 7 are integrally connected to the horizontal four sides of the light guide plate body 1, and the four iron frame clamping posts 7 are used to clamp the holes of the casting backlight.

[0037] In this embodiment, the iron frame clamping column 7 is designed to play the role of clamping the hole of the casting backlight. The precise clamping of the casting backlight hole is successfully achieved through the carefully designed iron frame clamping column 7, which effectively guarantees the stability and accuracy of the casting backlight operation. This design not only improves work efficiency, but also ensures the safety of the operation process, and further improves the quality of the entire casting backlight operation. Through the careful design and optimization of the iron frame clamping column 7, the utility model can provide higher accuracy and reliability in the positioning and clamping of the casting backlight hole, thereby achieving the purpose of improving production efficiency and product quality.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A light guide plate with a trapezoidal protrusion structure, comprising a light guide plate body (1), characterized in that: The side surface of the light guide plate body (1) is composed of a non-convex side surface and a convex side surface.

2. The light guide plate with a trapezoidal protrusion structure according to claim 1, characterized in that: A plurality of groups of trapezoidal protrusions (3) are equidistantly connected and integrated on the side surfaces of the protrusions, and are in an isosceles shape.

3. The light guide plate with a trapezoidal protrusion structure according to claim 1, characterized in that: A white double-sided adhesive (4) is attached to the non-convex side.

4. The light guide plate with a trapezoidal protrusion structure according to claim 2, characterized in that: Mirror silver ink (5) is sprayed on the edge of the trapezoidal protrusion (3) to form reflection and reduce the brightness difference between the light at other positions of the light guide plate on the non-protrusion side and the reflected light at the protrusion.

5. The light guide plate with a trapezoidal protrusion structure according to claim 1, characterized in that: Six support columns (2) are integrally connected horizontally above the light guide plate body (1).

6. The light guide plate with a trapezoidal protrusion structure according to claim 5, characterized in that: The six support columns (2) are used to hold the film above the light guide plate in place.

7. The light guide plate with a trapezoidal protrusion structure according to claim 6, characterized in that: The film may be one or more of a diffusion film, a brightness enhancement film, and a peek-through film.

8. The light guide plate with a trapezoidal protrusion structure according to claim 1, characterized in that: Four bottom support columns (6) are integrally connected to the horizontal lower side of the light guide plate body (1).

9. The light guide plate with a trapezoidal protrusion structure according to claim 8, characterized in that: The four bottom support columns (6) are used to support the entire light guide plate.

10. The light guide plate with a trapezoidal protrusion structure according to claim 1, characterized in that: Four iron frame clamping posts (7) are integrally connected to the horizontal periphery of the light guide plate body (1), and the four iron frame clamping posts (7) are used to clamp the holes of the casting backlight.

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