Frosted Rayleigh scattering light guide plate and lamp

Abstract

The utility model discloses a frosted Rayleigh scattering light guide plate and a lamp, and belongs to the technical field of lamps. The nano scattering particles are uniformly connected in the substrate; at least one of the top wall and the bottom wall of the substrate is provided with a frosted surface; according to the utility model, through the synergistic effect of the frosted surface and the nano scattering particles, the Rayleigh scattering effect is generated, so that the forward light extraction rate is improved by 15-25%; under the same light source condition, the loss of light in the propagation process is reduced, the utilization efficiency of light energy is improved, and the energy consumption can be effectively reduced in practical application; in addition, the frosted Rayleigh scattering light guide plate is adopted, a diffusion film or a diffusion plate does not need to be arranged on the light-emitting surface side, and cost is saved. And meanwhile, through cooperative use of the frosted surface and the nano scattering particles, the light emitting uniformity of the light guide plate is effectively improved, so that a lamp adopting the light guide plate can provide a more uniform and comfortable illumination environment, and the brightness difference caused by non-uniform light emitting of a traditional light guide plate is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp technical field especially relates to a frosted rayleigh scattering light guide plate and lamp. BACKGROUND

[0002] In the field of lighting technology, the light guide plate is the key component to realize efficient and uniform illumination.

[0003] The traditional light guide plate adopts two technical routes to achieve light diffusion effect, but both routes have obvious deficiencies:

[0004] One kind of light guide plate makes microstructure (such as V-cut dot) or silk screen reflection layer on smooth surface, this method has complicated processing procedure, and requires high process precision, resulting in low production yield, which not only increases production cost, but also affects production efficiency in large-scale production.

[0005] Another light guide plate uses transparent substrate doped with scattering particles, which can achieve light diffusion to a certain extent, but brings the problem of large light efficiency loss, about 30%, and the light guide plate has poor light uniformity, which may not meet the demand of high-quality lighting. SUMMARY

[0006] The utility model discloses a kind of frosted rayleigh scattering light guide plate and lamp to solve the problems raised in the above background art.

[0007] To achieve the above object, the utility model adopts the following technical scheme:

[0008] A kind of frosted rayleigh scattering light guide plate, comprising:

[0009] Substrate;

[0010] Nano scattering particles are uniformly connected in the substrate;

[0011] The top wall and the bottom wall of the substrate are provided with frosted surface on at least one side.

[0012] Preferably, the thickness of the substrate is 0.5-10mm.

[0013] Further, the nano scattering particles are one or more of titanium dioxide particles, silicon dioxide particles and aluminum oxide particles.

[0014] Further, the particle size of the nano scattering particles is 50-500nm.

[0015] Further, the surface roughness of the frosted surface is 0.1-10 μm.

[0016] A lamp, comprising the frosted Rayleigh scattering light guide plate, further comprising a light source assembly fixedly connected with a mounting plate, the light source assembly is fixedly connected on the side wall of the base plate.

[0017] Preferably, the opposite side of the light emitting surface of the base plate is provided with a reflection part.

[0018] Compared with the prior art, the frosted Rayleigh scattering light guide plate has the following beneficial effects:

[0019] The parts not involved in the device are the same as or can be realized by the prior art, the frosted Rayleigh scattering light guide plate of the utility model is synergized by the frosted treatment surface and the nano scattering particles, the Rayleigh scattering effect is generated, the forward light output rate is increased by 15-25%, under the same light source conditions, the lamp using the light guide plate can output more effective light, reduces the loss of light in the propagation process, and improves the utilization efficiency of light energy, which can effectively reduce energy consumption and realize energy-saving lighting in practical application.

[0020] Meanwhile, the frosted Rayleigh scattering light guide plate is synergized by the frosted treatment surface and the nano scattering particles, the light uniformity of the light guide plate is effectively improved, the lamp using the light guide plate can provide more uniform and comfortable lighting environment, and the light and dark difference problem caused by the non-uniform light of the traditional light guide plate is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A structure diagram of the frosted Rayleigh scattering light guide plate is provided for the utility model;

[0022] Figure 2 A structure diagram of the lamp is provided for the utility model.

[0023] In the drawing: 1, base plate; 2, nano scattering particles; 3, frosted treatment surface; 4, mounting plate; 401, light source assembly; 5, reflection part. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.

[0025] Embodiment 1:

[0026] Reference Figure 1 A frosted Rayleigh scattering light guide plate, comprising:

[0027] Base plate 1;

[0028] Nano scattering particles 2 are uniformly connected in the base plate 1;

[0029] The top wall and the bottom wall of the substrate 1 are provided with at least one frosted surface 3.

[0030] The thickness of the substrate 1 is 0.5-10 mm.

[0031] The nano-scattering particles 2 are one or more of titanium dioxide particles, silicon dioxide particles and aluminum oxide particles.

[0032] The particle size of the nano-scattering particles 2 is 50-500 nm.

[0033] The surface roughness of the frosted surface 3 is 0.1-10 μm.

[0034] It should be noted that, in the actual processing process, the frosted surface 3 is processed by a sandblasting process or a chemical etching process.

[0035] The application produces Rayleigh scattering effect through the synergistic effect of the frosted surface 3 and the nano-scattering particles 2, so that the forward light output rate is increased by 15-25%; under the same light source conditions, the lamp using the light guide plate can output more effective light, reduces the loss of light in the propagation process, and improves the utilization efficiency of light energy. In practical application, energy consumption can be effectively reduced to realize energy-saving lighting.

[0036] Meanwhile, the application effectively improves the light output uniformity of the light guide plate through the synergistic use of the frosted surface 3 and the nano-scattering particles, so that the lamp using the light guide plate can provide a more uniform and comfortable lighting environment, avoiding the light-dark difference caused by the uneven light output of the traditional light guide plate.

[0037] Embodiment 2:

[0038] Referring to Figure 2 A lamp, comprising a frosted Rayleigh scattering light guide plate, further comprising a light source assembly 401 fixedly connected with a mounting plate 4, and the light source assembly 401 is fixedly connected to the side wall of the substrate 1.

[0039] The opposite side of the light output surface of the substrate 1 is provided with a reflecting part 5, and the reflecting part 5 is fixedly connected to the substrate 1.

[0040] The reflecting part 5 is an aluminized film.

[0041] Embodiment 3:

[0042] A lamp, which is basically the same as Embodiment 2, except that the reflecting part 5 is a PET reflecting sheet, and the reflecting part 5 is fixedly connected to the substrate 1.

[0043] Embodiment 4:

[0044] A lamp, which is basically the same as Embodiment 2, except that the reflecting part 5 can be a white coating.

[0045] Embodiment 5:

[0046] A lamp, substantially the same as embodiment 1, further provided with a pattern groove on the frosted surface 3, the engraving depth of the pattern groove being 10-200 μm.

[0047] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto, any skilled person in the art, according to the technical scheme and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.

Claims

1. A frosted Rayleigh scattering light guide plate, characterized in that, include: substrate(1); Nanoparticles (2) are uniformly connected in the substrate (1); At least one side of the top wall and bottom wall of the substrate (1) is provided with a frosted surface (3). The thickness of the substrate (1) is 0.5-10 mm; The nano-scattering particles (2) are one or more of titanium dioxide particles, silicon dioxide particles and aluminum oxide particles; The particle size of the nano-scattering particles (2) is 50-500 nm; The surface roughness of the frosted surface (3) is 0.1-10 μm.

2. A lighting fixture, comprising the frosted Rayleigh scattering light guide plate as described in claim 1, characterized in that, It also includes a light source assembly (401) fixedly connected to a mounting plate (4), the light source assembly (401) being fixedly connected to the side wall of the substrate (1).

3. A lamp according to claim 2, characterized in that, A reflective part (5) is provided on the opposite side of the light-emitting surface of the substrate (1).

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