Bracket for effectively controlling lateral light-emitting angle of LED (light-emitting diode)

Abstract

The utility model provides a support for effectively controlling the lateral light-emitting angle of an LED (light-emitting diode), which comprises a base provided with a plurality of LED mounting holes; the LED mounting holes are used for mounting LED lamp beads; the at least one pair of reflecting walls are arranged on the two sides of the base; the reflecting wall and the base form a structure surrounding the LED lamp beads; the reflecting wall is of a non-planar arc-shaped structure or a polygonal structure; a certain inclined angle is formed between the reflecting wall and the base, so that the included angle between the central axis of the reflecting wall and the normal of the base is 91-135 degrees; the reflecting wall is arranged opposite to the side face of the LED lamp bead to form a refraction control area, and the lateral divergence angle or the concentration direction of light is adjusted through geometric reflection or refraction. According to the utility model, the divergence range or concentrated intensity of light can be effectively controlled, the problem of insufficient brightness of four corners in the matrix module is solved, the light utilization rate is improved, and the purposes of reducing cost and saving energy are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED lamp structure technical field, especially a support for effectively controlling LED lateral light emitting angle. BACKGROUND

[0002] Current LED display module is in the trend of pursuing light and thin, energy saving, the traditional front light emitting LED lamp bead has gradually evolved into "five surface light emitting lamp bead". On this basis, in order to improve the consistency of modular light emitting surface, the industry proposes to use "L type LED reflection wall" lateral reflection structure to increase the lateral light emitting area of lamp bead.

[0003] However, in practical application, when the display module spacing is increased, the matrix structure four corner area still has "weak light area" or "dark area" problem, which leads to uneven brightness distribution, seriously affects the visual taste and display effect. INVENTION CONTENTS

[0004] In order to overcome the defects of the prior art, the utility model aims at providing a support for effectively controlling LED lateral light emitting angle, which is designed as "arc" or "polygon" reflection surface with specific structure angle on the basis of L type reflection wall, combined with specific arrangement angle and installation position, so that LED light is deflected by geometric refraction law when it is laterally emitted, thereby realizing effective control of light divergence range or concentration intensity, optimizing the four corner brightness problem in matrix module, improving light utilization and achieving the purpose of cost reduction and energy saving.

[0005] To achieve the above object, the utility model provides the following scheme.

[0006] A support for effectively controlling LED lateral light emitting angle, comprising:

[0007] A base is provided with a plurality of LED mounting holes; the LED mounting hole is used for mounting LED lamp bead;

[0008] At least one pair of reflection walls arranged on both sides of the base; the reflection wall and the base form a structure surrounding the LED lamp bead; the reflection wall is a non-planar arc structure or a polygonal structure; the reflection wall and the base are arranged at a certain inclination angle, so that the included angle between the central axis of the reflection wall and the normal line of the base is 91°-135°; the reflection wall is arranged opposite to the side surface of the LED lamp bead, forming a refraction control area, and the lateral divergence angle or concentration direction of light is adjusted by geometric reflection or refraction.

[0009] Preferably, the arc structure is convex arc or concave arc.

[0010] Preferably, the inner surface of the reflecting wall is smooth or mirror finished for reflecting the light rays of the LED lamp bead.

[0011] Preferably, the reflectivity of the reflecting wall is greater than 90%, the material of the reflecting wall is coated with a reflective layer having a reflective function, and the material of the reflecting wall is metal, plastic, ceramic, and a material capable of forming a shaped structure.

[0012] Preferably, the height of the reflecting wall is in the range of 0.5mm to 3mm, and the top end of the reflecting wall extends outward or inward to adjust the final light direction.

[0013] Preferably, the base is a rectangular flat structure, and the edge of the base is provided with the LED mounting hole.

[0014] Preferably, the profile of the arc-shaped structure is a circular arc structure with the center of the LED lamp bead as the focus, and the radius of the arc-shaped structure is in the range of 1mm to 6mm, and the best shaped radius can be calculated and adjusted according to the light emission requirement.

[0015] According to the specific embodiments of the present application, the following technical effects are disclosed:

[0016] The utility model provides a kind of support for effectively controlling LED lateral light emitting angle, comprising: base, the base is provided with several LED mounting holes;The LED mounting hole is used to install LED lamp bead;At least one pair of reflecting wall arranged in the two sides of the base;The reflecting wall and the base form the structure surrounding LED lamp bead;The reflecting wall is non-planar arc-shaped structure or polygonal structure;The reflecting wall and the base are arranged at a certain inclination angle, so that the included angle between the central axis of the reflecting wall and the normal line of the base is 91 °~135 °;The reflecting wall is arranged relative to the side surface of LED lamp bead, forms refraction control area, and the lateral divergence angle or concentration direction of light is adjusted by geometric reflection or refraction.The utility model can realize effective control of the divergence range or concentration intensity of light, optimize the problem of insufficient brightness in four corners in matrix module, improve light utilization and achieve the purpose of cost reduction and energy saving. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 The top view of the support with convex arc-shaped structure provided in the embodiments of the present application is shown.

[0019] Figure 2 A side view of the bracket with convex arc-shaped structure provided by the embodiment of the present application;

[0020] Figure 3 A refraction principle diagram of light rays corresponding to the convex arc-shaped structure provided by the embodiment of the present application;

[0021] Figure 4 A top view of the bracket with concave arc-shaped structure provided by the embodiment of the present application;

[0022] Figure 5 A side view of the bracket with concave arc-shaped structure provided by the embodiment of the present application;

[0023] Figure 6 A refraction principle diagram of light rays corresponding to the concave arc-shaped structure provided by the embodiment of the present application;

[0024] Figure 7 A light emission effect diagram provided by the embodiment of the present application.

[0025] Explanation of reference signs:

[0026] 1-base; 2-reflective wall; 3-LED lamp bead; 4-reflective bracket; 5-lamp cup colloid. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] The purpose of the present application is to provide a bracket for effectively controlling the side light emitting angle of an LED, which can effectively control the divergence range or concentration intensity of light, optimize the problem of insufficient brightness in four corners in a matrix module, improve the light utilization rate and achieve the purpose of cost reduction and energy saving.

[0029] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0030] As shown in Figure 1 The present application provides a bracket for effectively controlling the side light emitting angle of an LED, comprising:

[0031] Base 1, provided with a plurality of LED mounting holes; the LED mounting holes are used for mounting LED lamp beads 3;

[0032] At least one pair of reflection walls 2 arranged on both sides of the base 1; the reflection walls 2 and the base 1 form a structure surrounding the LED lamp beads 3; the reflection walls 2 are non-planar arc structures or polygonal structures;

[0033] The reflection walls 2 and the base 1 are arranged at an inclination angle, so that the included angle between the central axis of the reflection wall 2 and the normal line of the base 1 is 91°-135°;

[0034] The reflection wall 2 is arranged opposite to the side surface of the LED lamp bead 3 to form a refraction control area, and the lateral divergence angle or the concentration direction of light is adjusted through geometric reflection or refraction.

[0035] In an optional embodiment, the LED lamp bead 3 is mounted in the LED mounting hole of the base 1, and the periphery is provided with a lamp cup glue body 5, which is a cup-shaped covering body made of transparent or translucent material, and plays a secondary optical adjustment role of light collection and soft light, and also provides physical protection for the LED bare chip. The lamp cup glue body 5 is used in cooperation with the support to preliminarily shape the LED light, so that the light direction is more stable and concentrated.

[0036] The reflection wall 2 is an integrally injection-molded reflection support 4 structure, which not only fixes and supports the lamp bead glue body, but also bears the optical guiding function. The surface topography (arc or polygon) is closely matched with the position relationship of the LED lamp bead 3 and the lamp cup glue body 5, so as to ensure that the lateral light can accurately hit the reflection wall 2 after preliminary refraction, and be effectively guided to the target light-emitting area according to the geometric optical law, thereby realizing the expected light efficiency control target.

[0037] As shown in FIG. 1, Figures 1 to 3 In a specific embodiment, the arc structure of the reflection wall 2 is a convex arc, and the surface thereof is outwardly expanded towards the light-emitting direction of the LED lamp bead 3. The lateral light generated by the LED lamp bead 3 is diffusely reflected according to the geometric optical refraction principle after encountering the convex arc reflection surface, so that the divergence angle of the light is increased, thereby expanding the effective light-emitting range, improving the corner area brightness in the large-area matrix module, and improving the “weak light area” problem under the traditional L-shaped reflection structure.

[0038] As shown in FIG. 2, Figures 4 to 6 In another embodiment, the arc structure of the reflection wall 2 is a concave arc, and the surface thereof is recessed towards the LED lamp bead 3. The lateral light is reflected and concentrated to a specific area after being incident to the concave reflection structure, thereby enhancing the concentration effect of light intensity and improving the brightness uniformity in a specific direction, which is suitable for display module application scenarios requiring directional enhancement.

[0039] Preferably, the inner surface of the reflecting wall 2 is smooth or mirror-finished to improve the reflection efficiency and reduce light loss, further optimizing the utilization of light.

[0040] Preferably, the reflecting wall 2 is made of a high-reflectivity material with a reflectivity greater than 90%, which is plated or coated with a reflective layer having a reflective function. The material can be metal, plastic, ceramic, and materials that can form a shaped structure, taking into account the structural strength and optical performance.

[0041] Preferably, the height of the reflecting wall 2 is in the range of 10.5mm to 3mm, and the top end of the reflecting wall 2 extends outward or inward to further adjust the exit angle of the reflected light, achieving more flexible light control design.

[0042] Preferably, the base 1 is a rectangular flat structure, and the edge of the base 1 is provided with the LED mounting hole, facilitating the fixed installation of the LED lamp beads 3 and the splicing connection of the module array.

[0043] Preferably, the contour of the arc-shaped structure is a circular arc structure with the center of the LED lamp bead 3 as the focus, and the radius of the arc-shaped structure is in the range of 1mm to 6mm. The best forming radius can be calculated and adjusted according to the lighting requirements, which can ensure that the reflection path of light on the arc surface is controlled, and the effective coverage area or focusing effect of the lateral light is enhanced.

[0044] The "convex arc" and "concave arc" designs in the embodiment can be flexibly selected according to the specific module arrangement density and light type requirements. With the angle setting and the selection of the reflecting material, the lateral light can be accurately controlled, thereby improving the overall light efficiency and display picture uniformity.

[0045] In another specific embodiment, the reflecting wall 2 is a polygonal structure, and the side view profile is a folded angle shape composed of two or more planar broken lines. For example, the reflecting wall 2 can be composed of two planar surfaces connected to each other with an included angle of 120°, forming a "V" shaped or trapezoidal reflecting surface. Such structure divides the light emitted at different angles into segments for reflection, making the light spread in a fan shape in the horizontal direction, effectively increasing the light coverage range of the LED lamp beads 3 and improving the brightness uniformity of the corner area of the matrix module.

[0046] Preferably, the polygonal reflecting wall 2 is inclined to the base 1, and the included angle between the broken line segment and the normal line of the base 1 is in the range of 91° to 135°, so that the reflection path has a certain light control guiding function. By accurately controlling the angle design of each reflecting surface, the directional refraction or convergence of light can be realized, so that the splicing area or visual edge between modules no longer has "dark area" or uneven light spot transition problem, thereby effectively improving the optical balance performance of the overall display system. For example,Figure 7 The support structure of the utility model is suitable for various display modules with LED as light source, especially suitable for large size matrix arrangement display device, effectively solves the problems of insufficient brightness in four corners, light energy waste and the like in traditional structure, and has remarkable popularization and application value.

[0047] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments.

[0048] The principle and implementation mode of the utility model are described by applying specific examples, and the description of the above embodiments is only for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A holder for effectively controlling the LED side light emission angle, characterized by, The application relates to a light-emitting diode (LED) light-emitting device. The application comprises: a base provided with a plurality of LED mounting holes; the LED mounting holes are used for mounting LED lamp beads; 2. The holder for effectively controlling the LED side light emission angle according to claim 1, wherein, at least one pair of reflection walls arranged on two sides of the base; the reflection walls and the base form a structure for surrounding the LED lamp beads; the reflection walls are non-planar arc structures or polygonal structures; the reflection walls are arranged at a certain inclination angle with the base, so that the included angle between the central axis of the reflection walls and the normal line of the base is 91-135 degrees; the reflection walls are arranged on the side of the LED lamp beads to form a refraction control area, and the lateral divergence angle or the concentration direction of light is adjusted through geometric reflection or refraction.

3. The holder for effectively controlling the LED side emission angle according to claim 1, wherein, The arc structure is a convex arc or a concave arc.

4. The holder for effectively controlling the LED side emission angle according to claim 1, wherein, The inner surface of the reflection wall is smooth or mirror-finished, and is used for reflecting the light emitted by the LED lamp beads.

5. The holder for effectively controlling the LED side emission angle according to claim 1, wherein, The reflectivity of the reflection wall is greater than 90%, and the material of the reflection wall is provided with a reflection layer with a reflection function on the surface.

6. The holder for effectively controlling the LED side light emission angle according to claim 1, wherein The height of the reflection wall is in the range of 0.2-3 mm, and the top end of the reflection wall extends outward or inward to adjust the final light-emitting direction.

7. The holder for effectively controlling the LED side emission angle according to claim 1, wherein The base is a rectangular flat plate structure, and the edge of the base is provided with the LED mounting holes. The profile of the arc structure is a circular arc structure with the center of the LED lamp bead as the focus; the radius of the arc structure is in the range of 1-6 mm.

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