CN207067432U

CN207067432U - The MULTILAYER COMPOSITE diffusion barrier and LED planar lamp optical texture of a kind of LED planar lamp

Info

Publication number: CN207067432U
Application number: CN201721003880.3U
Authority: CN
Inventors: 盛玉林
Original assignee: KUNSHAN CHENGTAI ELECTRICAL CO Ltd
Current assignee: KUNSHAN CHENGTAI ELECTRICAL CO Ltd
Priority date: 2017-08-11
Filing date: 2017-08-11
Publication date: 2018-03-02
Anticipated expiration: 2027-08-11

Abstract

The utility model discloses a kind of MULTILAYER COMPOSITE diffusion barrier of LED planar lamp and LED planar lamp optical texture, diffusion barrier includes substrate layer, the gluing oxidant layer in the back side and light diffusion layer, light diffusion layer is the exiting surface of diffusion barrier, light diffusion layer is the resin bed of the diffusion particle of embedded at least two shapes, and being shaped as diffusion particle is spherical, at least two in dendriform, multiple edge body shape and fish scale-shaped；The exiting surface of light diffusion layer forms the mat surface with jog through laser ablation；The light transmission of wherein diffusion barrier is good, the anti-dazzle light effect of diffusion is good, and compact-sized using the LED planar lamp optical texture of the diffusion barrier, the stickiness of diffusion barrier and optical waveguide layer is good, and light is soft uniformly, improves light extraction efficiency, reaches the effect of area source；And the diffusion barrier of multilayer different colours can be made, it is imbued with aesthetic feeling, meets customer personalized demand.

Description

The MULTILAYER COMPOSITE diffusion barrier and LED planar lamp optical texture of a kind of LED planar lamp

Technical field

The utility model belongs to optical scattering structure technical field, more particularly to a kind of multilayer diffusion barrier and use the diffusion barrier Optical texture.

Background technology

LED lamp is obtaining significant progress in recent years, LED lamp of the prior art, generally comprises lamp body, many institute's weeks To know, LED light source body is different from one of main point of conventional light source body in illumination performance and is that it is a kind of typical spot light, And traditional light source body is generally area source, due to this characteristic, LED lamp is caused there are some intrinsic to lack in illumination Fall into, for example people can be allowed to produce and dazzle the eyes sense, therefore, typically can carry out matching somebody with somebody light processing to LED lamp using optical scattering structure, to improve LED lamp dazzles the eyes sense.

The optical scattering structure of prior art is diffuser plate, but is had the disadvantages that：First, more satisfactory light diffusion effect is reached Fruit, diffuser plate is thicker, is disagreed with the development trend of slimming LED flat lamp now；2nd, because diffuser plate is thicker, consumptive material is more, So cost is high；3rd, diffuser plate is thicker, with optical waveguide layer composition optical texture when, space is left between diffuser plate and optical waveguide layer, Stickiness is poor, influences to spread anti-dazzle light effect.

In order to overcome disadvantages mentioned above, the positive innovation research of the design people, to create a kind of MULTILAYER COMPOSITE diffusion barrier and Use the optical texture of the diffusion barrier.

Utility model content

The utility model mainly solving the technical problems that provide a kind of MULTILAYER COMPOSITE diffusion barrier of LED planar lamp, wherein The light transmission of diffusion barrier is good, the anti-dazzle light effect of diffusion is good, compact-sized using the LED planar lamp optical texture of the diffusion barrier, The stickiness of diffusion barrier and optical waveguide layer is good, and light is soft uniformly, improves light extraction efficiency, reaches the effect of area source；And can be with The diffusion barrier of multilayer different colours is made, is imbued with aesthetic feeling, meets customer personalized demand.

In order to solve the above technical problems, the technical scheme that the utility model uses is：A kind of LED planar lamp is provided MULTILAYER COMPOSITE diffusion barrier, including substrate layer, the gluing oxidant layer in the back side and light diffusion layer, the substrate layer are located at the back side adhesive Between layer and the light diffusion layer, and the gluing oxidant layer in the back side is the incidence surface of diffusion barrier, and the light diffusion layer is the expansion The exiting surface of film is dissipated, the light diffusion layer is the resin bed of the diffusion particle of embedded at least two shapes, the diffusion particle At least two be shaped as in spherical, dendriform, multiple edge body shape and fish scale-shaped；

The gross thickness of the diffusion barrier is 0.08-0.13mm；

The thickness of the substrate layer is 0.05-0.09mm；

The thickness of the gluing oxidant layer in the back side is 0.01-0.02mm；

The thickness of the light diffusion layer is 0.01-0.02mm；

The exiting surface of the light diffusion layer forms the mat surface with jog, the Rz of the mat surface through laser ablation (surface roughness) value is 0.4-0.6 μm.

Further say, the light diffusion layer includes the first smooth single diffusion layer and the second smooth single diffusion layer, and described second Light single diffusion layer is the exiting surface of the diffusion barrier, and it is single to be less than the diffusion of the second light for the particle diameter of diffusion particle in the first smooth single diffusion layer The particle diameter of diffusion particle in layer.

Further say, the substrate layer is printing opacity nonferrous layer.

Further say, the substrate layer is this chromatograph, in addition to an at least printing opacity nonferrous layer, the printing opacity nonferrous layer position Between the substrate layer and the light diffusion layer.

Further say, the substrate layer is PS (polystyrene) film, PMMA (polymethyl methacrylate) film, PC (gather Carbonic ester) film or PET (polyethylene terephthalate) film.

Further say, in addition to release layer, the release layer are located at the top of the gluing oxidant layer in the back side.

Further say, the release layer is mould release membrance, and the mould release membrance is release for PET fluorine modeling mould release membrance, PET silicate-containing oils Film, PET matts mould release membrance or PE (polyethylene) mould release membrance.

Further say, the release layer is release liners, and the thickness of the release liners is 25-130 μm, and the release liners are PE leaching membrane papers.

The LED that the utility model additionally provides a kind of a kind of MULTILAYER COMPOSITE diffusion barrier of LED planar lamp described in use is put down Face lamp optical structure, in addition to optical waveguide layer, reflecting layer and backboard, the optical waveguide layer have two relative surfaces and are respectively to lead Smooth surface and exiting surface, the reflecting layer are located at the light guiding surface of the optical waveguide layer, and the diffusion barrier is pasted on going out for the optical waveguide layer Smooth surface, the folded structure of the optical waveguide layer, the reflecting layer and diffusion barrier composition is tabular, the reflecting layer and the leaded light There are some light guiding points between layer.

The beneficial effects of the utility model are：The advantages of the utility model at least have it is following some：

First, diffusion barrier of the present utility model is including substrate layer, the gluing oxidant layer in the back side and light diffusion layer, wherein light diffusion layer The resin bed of the diffusion particle of embedded at least two shapes, being shaped as diffusion particle is spherical, dendriform, multiple edge body shape and fish scale At least two in shape, because diffusion particle shape is different, complicated refraction and reflection will be produced to the light of injection, spread grain The shape difference of son is bigger, and this refraction and reflection are also more complicated, even if the very thin thickness of diffusion barrier, contain different expansion The diffusion barrier of shot can increase the complexity and staggering when light projects, and the exiting surface of light diffusion layer is through laser ablation The mat surface with jog is formed, further increases complexity and scattering when light projects, above-mentioned labyrinth, makes Diffusion barrier the anti-dazzle light effect of diffusion it is good, uniform light is soft；

2nd, light diffusion layer of the present utility model can include the first smooth single diffusion layer and the second smooth single diffusion layer, and first The particle diameter of diffusion particle is less than the particle diameter of the diffusion particle in the second smooth single diffusion layer in light single diffusion layer so that light is close Exiting surface dispersion effect is better, and the range of exposures of light is wider, and light is softer；

3rd, substrate layer of the present utility model is nonferrous layer, or substrate layer is additionally provided with therebetween at least with light diffusion layer One printing opacity nonferrous layer, the discoloration diffusion structure of multilayer different colours can be done, improve the aesthetics of product, produce coloured light, Personalized designs sense is strong；

4th, the utility model is coiled material, and incidence surface is provided with release layer, instant packed, transport and the transhipment of inter process, and It is and easy to use；

5th, LED planar lamp optical texture of the present utility model also includes optical waveguide layer, reflecting layer and backboard, and optical waveguide layer has Relative two surfaces and respectively light guiding surface and exiting surface, diffusion barrier is pasted on the exiting surface of optical waveguide layer, compared to traditional Diffuser plate, diffusion barrier is relatively thin, and the development with being thinned LED flat lamp is adapted；Because diffusion barrier is relatively thin, consumptive material is few, so into This is low；Because its is relatively thin, with optical waveguide layer composition optical texture when, tight between diffusion barrier and optical waveguide layer, stickiness is good, expand It is preferable to dissipate anti-dazzle light effect.

Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below Describe in detail bright as after.

Brief description of the drawings

Fig. 1 is the structural representation (printing opacity nonferrous layer being free of, without release layer) of diffusion barrier of the present utility model；

Fig. 2 is the structural representation (nonferrous layer containing printing opacity, containing release layer) of diffusion barrier of the present utility model；

Fig. 3 is the structural representation of optical texture of the present utility model；

Each several part mark is as follows in accompanying drawing：

Diffusion barrier 100, substrate layer 10, the gluing oxidant layer 20 in the back side, light diffusion layer 30, the first smooth single diffusion layer 31, the second light Single diffusion layer 32, diffusion particle 40, printing opacity nonferrous layer 50, release layer 60, optical waveguide layer 700, reflecting layer 800, backboard 900 and leaded light Point 1000.

Embodiment

Illustrate specific embodiment of the present utility model below by way of particular specific embodiment, those skilled in the art can The advantages of the utility model is understood by content disclosed in the present specification easily and effect.The utility model can also it is other not Same mode is practiced, i.e. under the scope of without departing substantially from disclosed in this utility model, can give different modification and change.

Embodiment 1：A kind of MULTILAYER COMPOSITE diffusion barrier 100 of LED planar lamp, as depicted in figs. 1 and 2, include substrate layer 10th, the gluing oxidant layer 20 in the back side and light diffusion layer 30, the substrate layer be located at the gluing oxidant layer in the back side and the light diffusion layer it Between, and the gluing oxidant layer in the back side be diffusion barrier incidence surface, the light diffusion layer be the diffusion barrier exiting surface, the light Diffusion layer is the resin bed of the diffusion particle 40 of embedded at least two shapes, being shaped as the diffusion particle is spherical, dendriform, At least two in multiple edge body shape and fish scale-shaped；

The gross thickness of the diffusion barrier is 0.08-0.13mm；

The thickness of the substrate layer is 0.05-0.09mm；

The thickness of the gluing oxidant layer in the back side is 0.01-0.02mm；

The thickness of the light diffusion layer is 0.01-0.02mm；

The exiting surface of the light diffusion layer forms the mat surface with jog, the Rz values of the mat surface through laser ablation For 0.4-0.6 μm.

Preferably, as shown in Fig. 2 the light diffusion layer 30 includes the first smooth 31 and second smooth single diffusion layer of single diffusion layer 32, and the second smooth single diffusion layer is the exiting surface of the diffusion barrier, the particle diameter of diffusion particle is small in the first smooth single diffusion layer The particle diameter of diffusion particle in the second smooth single diffusion layer.

Specific embodiment mode of the present utility model is:The substrate layer is printing opacity nonferrous layer.

Another specific embodiment mode of the present utility model is:The substrate layer is this chromatograph, in addition to an at least printing opacity Nonferrous layer 50, the printing opacity nonferrous layer is between the substrate layer and the light diffusion layer.

The substrate layer is PS films, PMMA film, PC films or PET film.

The diffusion barrier also includes release layer 60, and the release layer is located at the top of the gluing oxidant layer in the back side, such as Fig. 2 institutes Show.

The release layer is mould release membrance, and the mould release membrance is that PET fluorine moulds mould release membrance, PET silicate-containing oils mould release membrance, PET matts Mould release membrance or PE mould release membrances.

Or the release layer is release liners, the thickness of the release liners is 25-130 μm, and the release liners are PE films Paper.

Embodiment 2：A kind of LED planar lamp optical texture using the diffusion barrier, as shown in figure 3, including also including leading Photosphere 700, reflecting layer 800 and backboard 900, the optical waveguide layer have two relative surfaces and respectively light guiding surface and light extraction Face, the reflecting layer are located at the light guiding surface of the optical waveguide layer, and the diffusion barrier is pasted on the exiting surface of the optical waveguide layer, described to lead The folded structure of photosphere, the reflecting layer and diffusion barrier composition is tabular, is had between the reflecting layer and the optical waveguide layer Some light guiding points 1000.

Operation principle and the course of work of the present utility model are as follows：

The light that light source is sent passes through optical waveguide layer, when light is mapped on the light guiding surface (or the reflecting surface in reflecting layer) of optical waveguide layer Each light guiding points when, reflected light can toward all angles spread, then destroy conditioned reflex by the exiting surface of optical waveguide layer inject into Diffusion barrier, projected after spreading membrane diffusion, through line source can be converted into area source, reflecting layer is in addition to providing light guiding points It can also reflect light back into optical waveguide layer, for improving the service efficiency of light, light projects through diffusion layer afterwards；

Wherein, when light passes through diffusion barrier, after the multiple reflections of light diffusion layer and refraction, from the exiting surface of diffusion barrier Project.

Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every The equivalent structure made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other related technologies Field, similarly it is included in scope of patent protection of the present utility model.

Claims

A kind of 1. MULTILAYER COMPOSITE diffusion barrier (100) of LED planar lamp, it is characterised in that：Including substrate layer (10), back side adhesive Layer (20) and light diffusion layer (30), the substrate layer are and described between the gluing oxidant layer in the back side and the light diffusion layer The gluing oxidant layer in the back side is the incidence surface of diffusion barrier, and the light diffusion layer is the exiting surface of the diffusion barrier, and the light diffusion layer is The resin bed of the diffusion particle (40) of embedded at least two shapes, being shaped as the diffusion particle is spherical, dendriform, multiple edge body At least two in shape and fish scale-shaped；

The gross thickness of the diffusion barrier is 0.08-0.13mm；

The thickness of the substrate layer is 0.05-0.09mm；

The thickness of the gluing oxidant layer in the back side is 0.01-0.02mm；

The thickness of the light diffusion layer is 0.01-0.02mm；

The exiting surface of the light diffusion layer forms the mat surface with jog through laser ablation, and the Rz values of the mat surface are 0.4-0.6μm。
A kind of 2. MULTILAYER COMPOSITE diffusion barrier of LED planar lamp according to claim 1, it is characterised in that：The light diffusion Layer (30) includes the first smooth single diffusion layer (31) and the second smooth single diffusion layer (32), and the second smooth single diffusion layer is the expansion The exiting surface of film is dissipated, the particle diameter of diffusion particle is less than the grain of the diffusion particle in the second smooth single diffusion layer in the first smooth single diffusion layer Footpath.
A kind of 3. MULTILAYER COMPOSITE diffusion barrier of LED planar lamp according to claim 1, it is characterised in that：The substrate layer For printing opacity nonferrous layer.
A kind of 4. MULTILAYER COMPOSITE diffusion barrier of LED planar lamp according to claim 1, it is characterised in that：The substrate layer For this chromatograph, in addition to an at least printing opacity nonferrous layer (50), the printing opacity nonferrous layer is located at the substrate layer and light diffusion Between layer.
A kind of 5. MULTILAYER COMPOSITE diffusion barrier of LED planar lamp according to claim 1, it is characterised in that：The substrate layer For PS films, PMMA film, PC films or PET film.
A kind of 6. MULTILAYER COMPOSITE diffusion barrier of LED planar lamp according to claim 1, it is characterised in that：Also include release Layer (60), the release layer are located at the top of the gluing oxidant layer in the back side.
A kind of 7. MULTILAYER COMPOSITE diffusion barrier of LED planar lamp according to claim 6, it is characterised in that：The release layer For mould release membrance, the mould release membrance is that PET fluorine moulds mould release membrance, PET silicate-containing oils mould release membrance, PET matts mould release membrance or PE mould release membrances.
A kind of 8. MULTILAYER COMPOSITE diffusion barrier of LED planar lamp according to claim 6, it is characterised in that：The release layer For release liners, the thickness of the release liners is 25-130 μm, and the release liners are PE leaching membrane papers.
A kind of a kind of 9. LED planar lamp optics knot of the MULTILAYER COMPOSITE diffusion barrier of LED planar lamp described in usage right requirement 1 Structure, it is characterised in that：Also including optical waveguide layer (700), reflecting layer (800) and backboard (900), the optical waveguide layer has relative two Individual surface and respectively light guiding surface and exiting surface, the reflecting layer are located at the light guiding surface of the optical waveguide layer, and the diffusion barrier is pasted In the exiting surface of the optical waveguide layer, the folded structure of the optical waveguide layer, the reflecting layer and diffusion barrier composition is tabular, described There are some light guiding points (1000) between reflecting layer and the optical waveguide layer.