A light guide plate atmosphere lamp

Abstract

The utility model discloses a light guide plate atmosphere lamp, light guide plate atmosphere lamp includes: installation support, set up in installation support light guide plate and set up in the light guide plate one end lamp board, light guide plate with installation support between be provided with the skin reflection surface, light guide plate with lamp board between be provided with the light mixing curved surface mechanism, the curved surface of light mixing curved surface mechanism is protruding a plurality of arc boss, and a plurality of arc boss interval distribution on the curved surface, the skin reflection surface is divided into the circular surface area and the non -circular surface area, and the circular surface area is provided with the skin, the utility model discloses through setting up the skin reflection surface with the circular surface area and the non -circular surface area of skin between light guide plate and installation support, guarantee whole light guide plate can be filled with light, realize the sufficient mixing of light, thereby reach the effect that uniform light is given out.

Description

Technical Field

[0001] This utility model relates to the field of transport plate technology, and in particular to a light guide plate ambient light. Background Technology

[0002] In the field of lighting technology, ambient lighting with light guide plates, as a lighting device that can create a specific atmosphere, is widely used in various scenarios such as automotive interiors, home decoration, and commercial displays.

[0003] As light propagates inside the light guide plate, it cannot achieve sufficient and effective mixing. Some light is lost during propagation due to improper reflection angles, resulting in uneven light distribution inside the light guide plate and the phenomenon of local light being too strong or too weak. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art. This utility model provides a light guide plate ambient light. By setting a textured reflective surface with a circular area and a non-circular area with a leather texture between the light guide plate and the mounting bracket, the entire light guide plate can be filled with light, realize the full mixing of light, and thus achieve the effect of uniform light output.

[0005] Accordingly, this utility model proposes a light guide plate ambient light, which includes: a mounting bracket, a light guide plate disposed in the mounting bracket, and a plurality of lamp plates disposed at one end of the light guide plate; A textured reflective surface is provided between the light guide plate and the mounting bracket, and a light mixing curved surface mechanism is provided at one end of the light guide plate, with multiple lamp panels mounted on the light mixing curved surface mechanism; The light mixing curved surface mechanism includes a curved surface base, on which a plurality of arc-shaped protrusions protrude, and the plurality of arc-shaped protrusions are distributed at intervals on the curved surface. The textured reflective surface is divided into circular and non-circular areas, and the circular areas are textured.

[0006] Preferably, the light-inlet end of the light-mixing curved surface mechanism protrudes towards the lamp panel to form a light-inlet curved surface.

[0007] Preferably, the circular surface region includes multiple circular reflective surfaces, and the array of multiple circular reflective surfaces is distributed on the textured reflective surface; Furthermore, the distance between any two adjacent circular reflective surfaces is equal.

[0008] Preferably, the light mixing surface includes a mounting boss, which is mounted on the surface. The mounting boss is provided with multiple mounting grooves, and the output end of the lamp board is respectively inserted into one of the mounting grooves. Furthermore, the output end of the lamp panel faces the light-incoming curved surface.

[0009] Preferably, the upper surface of the mounting boss is recessed to form a snap-fit ​​groove, and the snap-fit ​​groove is located among a plurality of mounting grooves.

[0010] Preferably, the mounting boss is provided with a plurality of first fixing bosses, the bottom of any first fixing boss is connected to the top of the curved base, the sidewall of the first fixing boss is fitted with the mounting boss, and the first fixing boss and the mounting hole cooperate to form a mounting groove.

[0011] Preferably, the radius of curvature of any of the arc-shaped bosses is in the range of 1.25mm to 1.75mm.

[0012] Preferably, the arcuate range of any of the said arcuate bosses is 37 degrees to 47 degrees.

[0013] Preferably, the surface of the mounting bracket is provided with a plurality of reinforcing ribs, which are interwoven to form a grid.

[0014] Preferably, the edge of the mounting bracket is provided with a plurality of second fixing bosses, and each of the second fixing bosses is provided with a fixing hole.

[0015] The beneficial effects of this utility model are: This invention provides textured reflective surfaces with circular and non-circular areas within a light guide plate ambient light. When light hits the circular area, it undergoes diffuse reflection, while light hitting the non-circular area continues to reflect within the light guide plate until it reaches the circular area and undergoes diffuse reflection. This ensures that the entire light guide plate is filled with light, achieving thorough mixing of light and thus a uniform light output effect. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is an exploded view of the light guide plate ambient light in this utility model; Figure 2 This is a bottom view of the ambient light with a light guide plate in this utility model; Figure 3 This is a cross-sectional view of the light guide plate ambient light of this utility model; Figure 4 This is a schematic diagram of the light-mixing curved surface mechanism in this utility model; Figure 5 This is a cross-sectional view of the light-mixing curved surface structure in this utility model; Figure 6 yes Figure 5 Enlarged view of point A in the image; Figure 7 This is a front view of the textured reflective surface in this utility model; Figure 8 This is a schematic diagram of the path of light in the light mixing mechanism in this utility model; Figure 9 This is a schematic diagram of the path of light in the light guide plate in this utility model.

[0018] In the attached diagram: 1. Mounting bracket; 11. Reinforcing rib; 12. Second fixing boss; 121. Fixing hole; 2. Light guide plate; 3. Lamp plate; 4. Textured reflective surface; 41. Circular surface area; 411. Circular reflective surface; 42. Non-circular surface area; 5. Light mixing curved surface mechanism; 51. Curved base; 52. Arc-shaped boss; 53. Light-entry curved surface; 54. Mounting boss; 541. Mounting hole; 542. Snap-fit ​​groove; 543. First fixing boss; 544. Mounting groove. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] Figure 1 An exploded view of the light guide plate ambient light of this invention is shown. Figure 2 The image shown is a bottom view of the ambient light with a light guide plate according to this invention. Figure 3 A cross-sectional view of the light guide plate ambient light of this utility model is shown. Figure 4 A schematic diagram of the light-mixing curved surface mechanism in this invention is shown. Figure 5 A cross-sectional view of the light-mixing curved surface structure in this invention is shown. Figure 6 It shows Figure 5 Enlarged view of point A in the image. Figure 7 This invention shows a front view of the textured reflective surface. Figure 8 This diagram illustrates the path of light in the light mixing mechanism of this invention. Figure 9The diagram shows the path of light in the light guide plate of this invention. The light guide plate 2 ambient light includes: a mounting bracket 1, a light guide plate 2 disposed in the mounting bracket 1, and multiple lamp plates 3 disposed at one end of the light guide plate 2; a textured reflective surface 4 is disposed between the light guide plate 2 and the mounting bracket 1, and a light mixing curved surface mechanism 5 is disposed at one end of the light guide plate 2, with multiple lamp plates 3 mounted on the light mixing curved surface mechanism 5; the light mixing curved surface mechanism 5 includes a curved base 51, with multiple arc-shaped protrusions 52 protruding from the curved surface of the curved base 51, and the multiple arc-shaped protrusions 52 are spaced apart on the curved surface; the textured reflective surface 4 is divided into a circular surface area 41 and a non-circular surface area 42, and the circular surface area 41 is textured. In this embodiment, the light-mixing curved surface mechanism 5 is used to mix the light emitted by multiple lamp panels 3 to form mixed light, reducing the amount of colored light emitted. Multiple arc-shaped protrusions 52 are used to change the reflection path of the light emitted by the multiple lamp panels 3, allowing multiple light rays to be fully mixed in the light-mixing curved surface mechanism 5 to form white light. The textured reflective surface 4 is located at the root between the light guide plate 2 and the mounting. The textured reflective surface 4 is used to diffusely reflect parallel light rays, effectively improving light utilization and reducing light loss. The circular surface area 41 is textured, while the non-circular area remains a smooth plane. This allows light to diffusely reflect when it hits the circular surface area 41, while light hitting the non-circular area continues to reflect within the light guide plate 2 until it reaches the circular surface area 41 and diffusely reflects again. This ensures that the entire light guide plate 2 is filled with light, achieving sufficient light mixing and thus a uniform light output effect.

[0021] Furthermore, the light-inlet end of the light-mixing curved surface mechanism 5 protrudes towards the lamp panel 3 to form a light-inlet curved surface 53. In this embodiment, the light-inlet curved surface 53 adopts an aspherical shape, specifically a part of a rotating ellipsoid. The light-inlet curved surface 53 can selectively refract and reflect light incident at different angles according to the propagation law of light emitted from the point light source. Geometrically, the rotating ellipsoid has two focal points. By precisely placing the point light source at one of these focal points, the light emitted from the lamp panel 3 can be refracted by the light-inlet curved surface 53 to form parallel light emission. This facilitates the simultaneous reflection of multiple parallel lights in multiple arc-shaped protrusions 52 for light mixing, reducing the risk of forming colored light.

[0022] Furthermore, the circular surface region 4141 includes multiple circular reflective surfaces 411411, which are arrayed on the textured reflective surface 4; and the distance between two adjacent circular reflective surfaces 411 is equal. In this embodiment, each circular reflective surface 411 is provided with a corresponding texture, and the multiple circular reflective surfaces 411 are distributed from one end of the textured reflective surface 4 to the other end, and the circular reflective surfaces 411 are arranged in a rectangular array. This rectangular array is distributed along the textured reflective surface 4, ensuring that the light can be reflected by the circular reflective surfaces 411 after multiple reflections in the curved base 51, thereby the circular reflective surfaces 411 softly disperse the originally highly concentrated light. The distance between two adjacent circular reflective surfaces 411 is equal, which avoids the light from being reflected multiple times on the textured reflective surface 4 with a certain curvature and still reflecting on the non-circular surface area 4241, causing the light to be unable to undergo diffuse reflection and exit the curved base 51. This is conducive to achieving full mixing of light, thereby achieving a uniform light output effect.

[0023] Specifically, the light emitted by the lamp panel 3 first enters the curved base 51 from the light-inlet end of the light-mixing curved surface mechanism 5. The light then enters the light guide plate 2 from the curved base 51 and exits the light guide plate 2 after multiple total internal reflections, thus forming a reflection path. Due to the uniform arrangement of the lamp panels 3 and the curved surface of the light-inlet end of the curved base 51, the light can be evenly irradiated onto the inner surface of the curved base 51 upon entering it. At this time, the light undergoes refraction and reflection under the action of the microprism structure on the inner surface of the curved base 51, initiating the light mixing process. After the light mixing is completed, the light enters the light guide plate 2 and undergoes multiple reflections. After multiple reflections, the light is reflected by the textured circular surface area 41. The textured circular surface area 41 softens and disperses the originally highly concentrated light, and finally, the light exits the curved base directly, avoiding the formation of a narrow light column and helping to expand the illumination range of the light source emitted by the lamp panel 3.

[0024] Furthermore, the light-mixing curved surface includes a mounting boss 54, which is mounted on the curved surface. The mounting boss 54 has multiple mounting holes 541, and the output end of the lamp plate 3 is respectively inserted into one of the mounting holes 541; the output end of the lamp plate 3 faces the light-incoming curved surface 53. In this embodiment, the mounting boss 54 has two mounting holes 541, and the output end of the lamp plate 3 is respectively inserted into two mounting holes 541. When the lamp plate 3 is inserted into the mounting hole 541, the inner wall of the mounting hole 541 abuts against the surface of the lamp plate 3, thereby confining the lamp plate 3 within the mounting hole 541. This prevents the lamp plate 3 from shaking under external force, thus preventing the light emitted by the lamp plate 3 into the light-mixing curved surface mechanism 5 from being reflected along a preset path to generate colored light, thereby reducing the risk of colored light formation.

[0025] It should be noted that the number of mounting grooves 541 is adjusted according to the number of lamp panels 3. That is, when three lamp panels 3 need to be installed, the mounting boss 54 is provided with three mounting grooves 541, so as to fix the output end of the lamp panel 3 on the mounting boss 54.

[0026] Furthermore, the end face of the mounting boss 54 is recessed to form a snap-fit ​​groove 542, which is located between the plurality of mounting grooves 541. In this embodiment, the end face of the mounting boss 54 away from the mounting bracket 1 is recessed to form a snap-fit ​​groove 542, which is located between two mounting grooves 541. The snap-fit ​​groove 542 is used to fix the entire light-mixing curved surface structure in the corresponding position. When the ambient light of the light guide plate 2 needs to be installed in a car, the snap-fit ​​groove 542 snaps into the snap-fit ​​boss on the device to be installed in the car, so that the snap-fit ​​boss snaps into the corresponding snap-fit ​​groove 542, thereby enhancing the stability of the mounting boss 54 in the corresponding position.

[0027] Furthermore, the curved base 51 is provided with a plurality of first fixing protrusions 543. The bottom of any first fixing protrusion 543 is connected to the top of the curved base 51, the sidewall of the first fixing protrusion 543 is fitted with the mounting protrusion 54, and the first fixing protrusion 543 cooperates with the mounting hole 541 to form a mounting groove 544. The mounting protrusion 54 is provided with a plurality of first fixing protrusions 543. The bottom of any first fixing protrusion 543 is connected to the top of the curved base 51, and the sidewall of the first fixing protrusion 543 is fitted with the mounting protrusion 54. The first fixing protrusion 543 cooperates with the mounting hole 541 to form a mounting groove 544, and the position where the first fixing protrusion 543 and the mounting protrusion 54 are fitted corresponds to the position of the mounting hole 541, that is, the centerline of the first fixing protrusion 543 coincides with the centerline of the mounting hole 541. The upper half of the first fixing boss 543 is a semi-circular frustum, and the lower half of the first fixing boss 543 is a quadrangular frustum with a cross-sectional area that gradually increases from top to bottom. When the lamp plate 3 is installed in the mounting groove 544, part of the structure of the lamp plate 3 is installed in the first fixing boss 543. The two side walls of the first mounting groove 544 exert a clamping force on the lamp plate 3. Another part of the structure of the lamp plate protrudes through the mounting hole 541 and is located on both sides of the first fixing boss 543. The lower half of the first fixing boss 543 provides a supporting force for the lamp plate 3, preventing the lamp plate 3 from falling out of the mounting groove 544, which helps to enhance the installation stability of the lamp plate 3 and the phantom curved surface mechanism.

[0028] Furthermore, the radius of curvature of the arc-shaped protrusion 52 ranges from 1.25mm to 1.75mm. In this embodiment, the radius of curvature of the arc-shaped protrusion 52 is preferably 1.5mm. An arc-shaped protrusion 52 with a radius of curvature of 1.5mm can guide and refract light more precisely. During the light mixing process, when light rays incident from different directions and angles strike the arc-shaped protrusion 52, they undergo multiple reflections and refractions according to the curved surface shape of the protrusion, making the spatial distribution of light more uniform. This significantly enhances the light mixing effect, allowing the light emitted by the light panels 3 of different colors to mix more fully, reducing color spots and color differences, and making the emitted light color more uniform and consistent, which helps to reduce the risk of colored light.

[0029] Furthermore, the curvature of any of the arc-shaped protrusions 52 ranges from 37 degrees to 47 degrees. In this embodiment, the curvature of the arc-shaped protrusion 52 is preferably 42 degrees. A curvature of 42 degrees allows the light mixing surface to converge and diffuse the light emitted from the point or line light source in a more appropriate manner. This avoids excessive light convergence due to an excessively large curvature, resulting in an overly narrow emitted beam and limited illumination range; and also avoids ineffective light guidance due to an excessively small curvature, leading to severe light scattering and significant energy loss. Furthermore, a curvature of 42 degrees helps the light mixing surface refract and reflect light according to a preset optical path, thereby precisely controlling the emission direction of the light and ensuring that multiple light rays can be mixed, reducing the risk of colored light.

[0030] Furthermore, the surface of the mounting bracket 1 is provided with a plurality of reinforcing ribs 11, which interweave to form a mesh. In this embodiment, any reinforcing rib 11 with a semi-circular cross-section exhibits relatively uniform stress distribution when bearing load. When subjected to external force, the force can be transmitted more smoothly within the reinforcing rib 11, reducing the risk of structural failure due to excessive local stress, thereby improving the load-bearing capacity and fatigue resistance of the entire structure. A portion of the reinforcing ribs 11 are distributed along the length direction of the mounting bracket 1, and another portion are distributed along the width direction of the mounting bracket 1. The reinforcing ribs 11 distributed along the length direction of the mounting bracket 1 and the reinforcing ribs 11 distributed along the width direction of the mounting bracket 1 interweave to form a mesh-like group of reinforcing ribs 11. The mesh structure can evenly distribute the load across the entire mounting bracket 1, avoiding local stress concentration, thereby effectively improving the overall strength and stability of the mounting bracket 1.

[0031] Furthermore, the edge of the mounting bracket 1 is provided with a plurality of second fixing protrusions 12, each of which is provided with a fixing hole 121. In this embodiment, the edge of the mounting bracket 1 is provided with twelve second fixing protrusions 12, and the shapes of the twelve second fixing protrusions 12 are not completely identical, but are differentiated according to actual installation requirements. Each fixing protrusion is provided with a fixing hole 121 for connecting and fixing with the installed equipment. Five of the twelve fixing protrusions are distributed on one long side of the mounting bracket 1, five of the twelve second fixing protrusions 12 are distributed on another long side of the mounting bracket 1, and two of the twelve second fixing protrusions 12 are distributed on one short side of the mounting bracket 1. The second fixing protrusions 12 are provided on three sides of the mounting bracket 1, which is beneficial for firmly installing the mounting bracket 1 on the installed equipment.

[0032] In summary, this utility model provides textured reflective surfaces with circular and non-circular areas in the light guide plate ambient light. When light hits the circular area, it undergoes diffuse reflection, while when light hits the non-circular area, it continues to reflect within the light guide plate until it reaches the circular area and undergoes diffuse reflection. This ensures that the entire light guide plate is filled with light, achieving sufficient mixing of light and thus achieving a uniform light output effect.

[0033] Furthermore, the above description provides a detailed overview of the light guide plate ambient light provided by the embodiments of this utility model. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A light guide plate ambient light, characterized in that, The light guide plate ambient light includes: a mounting bracket, a light guide plate disposed in the mounting bracket, and multiple light plates disposed at one end of the light guide plate; A textured reflective surface is provided between the light guide plate and the mounting bracket, and a light mixing curved surface mechanism is provided at one end of the light guide plate, with multiple lamp panels mounted on the light mixing curved surface mechanism; The light mixing curved surface mechanism includes a curved surface base, on which a plurality of arc-shaped protrusions protrude, and the plurality of arc-shaped protrusions are distributed at intervals on the curved surface. The textured reflective surface is divided into circular and non-circular areas, and the circular areas are textured.

2. The ambient light with a light guide plate according to claim 1, characterized in that, The light-inlet end of the light-mixing curved surface mechanism protrudes towards the lamp panel to form a light-inlet curved surface.

3. The ambient light with a light guide plate according to claim 1, characterized in that, The circular surface region includes multiple circular reflective surfaces, and the array of multiple circular reflective surfaces is distributed on the textured reflective surface; Furthermore, the distance between any two adjacent circular reflective surfaces is equal.

4. The ambient light with a light guide plate according to claim 2, characterized in that, The light mixing surface includes a mounting boss, which is mounted on the surface. The mounting boss has multiple mounting holes, and the output end of the lamp board is respectively inserted into one of the mounting holes. Furthermore, the light-emitting surface of the lamp panel faces the light-incoming curved surface.

5. The ambient light with a light guide plate according to claim 4, characterized in that, The upper surface of the mounting boss is recessed to form a snap-fit ​​groove, which is located between the plurality of mounting holes.

6. The ambient light with a light guide plate according to claim 5, characterized in that, The mounting boss is provided with a plurality of first fixing bosses, the bottom of any first fixing boss is connected to the top of the curved base, the sidewall of the first fixing boss is fitted with the mounting boss, and the first fixing boss and the mounting hole cooperate to form a mounting groove.

7. The ambient light with a light guide plate according to claim 1, characterized in that, The radius of curvature of any of the aforementioned arc-shaped bosses ranges from 1.25 mm to 1.75 mm.

8. The ambient light with a light guide plate according to claim 1, characterized in that, The curvature of any of the aforementioned arc-shaped bosses ranges from 37 degrees to 47 degrees.

9. The ambient light with a light guide plate according to claim 1, characterized in that, The surface of the mounting bracket is provided with multiple reinforcing ribs, which are interwoven to form a grid.

10. The ambient light with a light guide plate according to claim 1, characterized in that, The mounting bracket has multiple second fixing bosses on its edge, and each second fixing boss has a fixing hole.

Images