Rayleigh scatter plate with stereoscopic patterns

Abstract

The utility model discloses a Rayleigh scattering plate with stereoscopic patterns, and belongs to the technical field of light guide plates of lamps. A Rayleigh scatter plate with a stereoscopic pattern comprises: a substrate; the plurality of groups of scattering particles are connected in the substrate, and the plurality of groups of scattering particles are uniformly distributed in the substrate; the three-dimensional pattern part is arranged on the substrate; the light source part is fixedly connected to the substrate; according to the utility model, reverse patterns are carved on the surface of the die through the die integral forming technology, so that automatic pattern forming during batch production is realized, unnecessary post-processing steps are removed, and the cost is effectively reduced; meanwhile, through double-region optical design, Rayleigh scattering generates lambda lt in a non-pattern region; diffuse reflection of 450nm blue light is carried out; in the pattern area, the surface microstructure changes the optical path, Mie scattering occurs when the surface microstructure is matched with a high-color-temperature LED, warm tones are presented, and then the double-area lighting effect is achieved.

Description

TECHNICAL FIELD

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

[0002] The light guide plate is the most commonly used basic light plate in the lamp, and the lamp is an essential daily necessity in people's daily life, along with the continuous improvement of people's life quality, the types of lamps are more and more, and the lamp with pattern is most popular.

[0003] But the light guide plate with pattern in prior art generally realizes surface pattern through printing, etching or film pasting process, and the following deficiencies may exist in this processing mode:

[0004] 1. Plane pattern lacks stereoscopic sense, and the visual effect is single;

[0005] 2. The post-processing process is complex (such as secondary engraving, film pasting), and the cost is high and the yield is low;

[0006] 3. Traditional scattering material is insufficient for light direction control, and may be difficult to present stereoscopic levels. INVENTION CONTENTS

[0007] The utility model aims at solving the problems in the prior art, and provides a rayleigh scattering plate with stereoscopic pattern.

[0008] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0009] A rayleigh scattering plate with stereoscopic pattern, comprising:

[0010] A substrate;

[0011] A plurality of scattering particles are connected in the substrate, and the plurality of scattering particles are uniformly distributed in the substrate;

[0012] A stereoscopic pattern part is provided on the substrate;

[0013] A light source part is fixedly connected to the substrate.

[0014] Preferably, the substrate is a transparent plate, and the substrate thickness is 1-20mm.

[0015] Preferably, the depth of the stereoscopic pattern part is 0.1-1mm.

[0016] Preferably, the scattering particles are any one or any two of nanometer titanium dioxide, nanometer silicon dioxide and nanometer aluminum oxide.

[0017] Further, the particle size of the scattering particles is 20-300mm.

[0018] Further, the side wall of the stereoscopic pattern part is 10-60° with the bottom wall.

[0019] Compared with the prior art, the Rayleigh scattering plate with stereoscopic pattern has the following beneficial effects:

[0020] The parts not involved in the device are the same as or can be realized by the prior art, the mold one-piece forming technology is adopted in the utility model, the reverse pattern is engraved on the surface of the mold, the pattern is automatically formed during batch production, the unnecessary post-processing steps are removed, and the cost is effectively reduced; meanwhile, through the optical design of the double areas, the Rayleigh scattering produces the blue light diffuse reflection of λ<450nm in the non-pattern area; in the pattern area, the surface microstructure changes the optical path, the Mie scattering occurs when the high color temperature LED is matched, the warm color tone is presented, and then the double-area lighting effect is realized. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A structure schematic view of the Rayleigh scattering plate with stereoscopic pattern is provided in the utility model;

[0022] Figure 2 A structure schematic view of the Rayleigh scattering plate with stereoscopic pattern embodiment 2 is provided in the utility model;

[0023] Figure 3 A light path schematic view of the Rayleigh scattering plate with stereoscopic pattern is provided in the utility model.

[0024] In the drawing: 1, base plate; 101, scattering particle; 102, stereoscopic pattern part; 2, light source part DETAILED DESCRIPTION

[0025] 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, rather than all the embodiments.

[0026] Embodiment 1:

[0027] Reference Figure 1 , Figure 3 A Rayleigh scattering plate with stereoscopic pattern comprises:

[0028] A base plate 1;

[0029] A plurality of groups of scattering particles 101 are connected in the base plate 1, and the plurality of groups of scattering particles 101 are uniformly distributed in the base plate 1;

[0030] A stereoscopic pattern part 102 is arranged on the base plate 1.

[0031] The light source part 2 is fixedly connected to the base plate 1.

[0032] It should be noted that the light source part 2 is fixedly connected to the side wall and the bottom wall of the base plate.

[0033] The base plate 1 is a transparent plate, and the thickness of the base plate 1 is 1-20 mm.

[0034] The depth of the three-dimensional pattern part 102 is 0.1-1 mm.

[0035] It should be noted that the pattern contour line spacing of the three-dimensional pattern part 102 is 0.5-3 mm, and the concave-convex pattern structure includes a continuous gradual curved surface, and the curvature radius R of the curved surface is 0.5-3 mm.

[0036] The scattering particles 101 are nanometer titanium dioxide.

[0037] The scattering particles 101 are any one or any two of nanometer titanium dioxide, nanometer silicon dioxide, and nanometer aluminum oxide.

[0038] The included angle between the side wall and the bottom wall of the three-dimensional pattern part 102 is 10-60°.

[0039] In specific implementation:

[0040] Mold processing: a white cloud pattern with a depth of 0.3 mm is engraved on the surface of a PMMA injection mold;

[0041] Material mixing: PMMA particles are mixed with 0.1% titanium dioxide nanoparticles (particle size 50 nm);

[0042] Injection molding: injection molding into a base plate 1 with a thickness of 4 mm, and directly forming a white cloud concave-convex three-dimensional pattern part 102 on the surface;

[0043] Light source test: when the side light source part 2 is irradiated, the light is uniformly diffused after being scattered by the scattering particles 101, and the three-dimensional pattern part 102 area presents a cloud three-dimensional floating effect due to the difference in refraction; the area of the non-three-dimensional pattern part 102 presents a blue sky effect due to the Rayleigh scattering effect.

[0044] It should be noted that the light source part 2 is a commercially available LED lamp.

[0045] Example 2:

[0046] Referring to Figure 2 , Figure 3 , a Rayleigh scattering plate with a three-dimensional pattern, which is basically the same as example 1, except that in specific implementation:

[0047] The PMMA substrate 1 is made by casting process, preset characters are engraved on the surface of the mold (depth 0.5mm), the distance between the characters is 0.5mm, the nano particles are silicon dioxide (concentration 3%), and the characters display 3D effect of light and shade alternation when the backlight LED is irradiated.

[0048] The utility model discloses a mould integrated forming technology, engraves reverse pattern on the surface of the mould, realizes the automatic forming of pattern when batch production, removes the unnecessary post -processing step, effectively reduces the cost, and simultaneously through the optical design of double area, in the non -pattern area, the rayleigh scattering produces lambda <450nm blue light diffuse reflection, in the pattern area, the surface microstructure changes the optical path, cooperates high color temperature LED and occurs the mie scattering, presents the warm color tone, and further realizes the double -area illumination effect.

[0049] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the inventive concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A Rayleigh scattering panel with a relief pattern, characterized in that, The utility model relates to a light source with three-dimensional pattern scattering function, including: Substrate (1); Multiple groups of scattering particles (101) are connected in the substrate (1), and the multiple groups of scattering particles (101) are uniformly distributed in the substrate (1); Three-dimensional pattern part (102) is set up on the substrate (1); Light source part (2) is fixedly connected on the substrate (1); The substrate (1) is a transparent plate, and the thickness of the substrate (1) is 1-20mm; The scattering particle (101) is any one of nanometer titanium dioxide and nanometer silicon dioxide; The particle size of the scattering particle (101) is 20-300mm; The included angle of the side wall and the bottom wall of the three-dimensional pattern part (102) is 10-60 DEG.

2. A Rayleigh scattering panel with a volumetric pattern according to claim 1, characterized in that, The depth of the three-dimensional pattern part (102) is 0.1-1mm.

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