CN202693828U - Diffuser plate - Google Patents
Diffuser plate Download PDFInfo
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- CN202693828U CN202693828U CN 201220033961 CN201220033961U CN202693828U CN 202693828 U CN202693828 U CN 202693828U CN 201220033961 CN201220033961 CN 201220033961 CN 201220033961 U CN201220033961 U CN 201220033961U CN 202693828 U CN202693828 U CN 202693828U
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- diffusion
- diffuser plate
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Abstract
The utility model provides a diffuser plate, comprising diffusing units. Each diffusing unit comprises a diffused particle layer and a light refracting layer on the diffused particle layer. The diffused particle layer comprises a base material and diffused particles in the base material. Light-incident surfaces and light-exiting surfaces of the light refracting layers and the diffused particle layers are neat surfaces. The number of the diffusing units is set to be equal to or greater than three. Compared with the prior art, through alternate superposition of the diffused particle layers and the light refracting layers, the diffuser plate of the utility model enables multi-layer diffusion of incident lights, improving the effect of diffusing the incident lights. In addition, the diffuser plate has a compact structure and achieves an increase in quality and service lifetime.
Description
Technical field
The utility model relates to the optical material field, relates in particular to a kind of diffuser plate.
Background technology
In present display device and the light fixture field, in order to obtain evenly soft display effect and illuminating effect, widespread use photodiffusion material and technology, wherein diffuser plate uses extensively as disperser commonly used at present.
In the display device, take liquid crystal display as example, because liquid crystal itself is not luminous, it need to provide backlight module so that liquid crystal display can normally show image, the light source that then requires backlight module high brightness to be provided and to be evenly distributed, so add diffuser plate so that light is injected liquid crystal panel uniformly before the light source of the backlight module of being everlasting, thereby improve image quality; And in light fixture, add that light diffusing sheet becomes electric light source into uniform area source, thus avoided dazzle discomfort even permanent injury that human eye is caused, to reach higher lighting quality.
Usually, the refraction structure that diffuser plate comprises the diffusion particle layer and is arranged at diffusion particle layer top, the two stack forms the individual layer diffuser plate, present diffuser plate mostly is the individual layer diffuser plate, adopt this kind diffuser plate only to finish One Diffusion Process, light is not carried out multi-level diffusion, cause diffusion effect bad, the light luminance of simultaneously individual layer diffuser plate outgoing is excessively low, causes the light output quality excessively low.
Therefore, be necessary to propose a kind of new diffuser plate and solve the problems referred to above.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of integrated multilayer diffuser plate.
For solving the problems of the technologies described above, the utility model provides a kind of diffuser plate, this diffuser plate comprises a diffusion unit, described diffusion unit comprises the diffusion particle layer and is arranged at refraction photosphere on the described diffusion particle layer, described diffusion particle layer comprises base material and is arranged at diffusion particle in the described base material, and the incidence surface of described refraction photosphere and described diffusion particle layer and exiting surface all are burnishing surface;
Wherein, described diffusion unit quantity is set at least three.
As further improvement of the utility model, fit tightly between the adjacent diffusion unit.
As further improvement of the utility model, fit tightly between adjacent diffusion particle layer and the refraction photosphere.
As further improvement of the utility model, the thickness of described diffusion unit is 1um ~ 2mm.
As further improvement of the utility model, described diffuser plate thickness is less than 5mm.
Compared with prior art, the diffuser plate that the utility model provides has formed the multi-level diffusion to incident ray by staggered stack diffusion particle layer and refraction photosphere, improved the diffusion effect to incident light, and close structure has improved the diffuser plate quality, has prolonged serviceable life.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing relevant of the present utility model in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the cut-open view of diffuser plate of the present utility model in the first embodiment;
Fig. 2 is the cut-open view of diffuser plate of the present utility model in the second embodiment;
Fig. 3 is the cut-open view of diffuser plate of the present utility model in the 3rd embodiment.
Wherein, Reference numeral is:
100, diffuser plate; 10, diffusion individual layer; 11, diffusion particle layer; 12, refraction photosphere; 20, air layer.
Embodiment
Below with reference to each embodiment shown in the drawings the utility model is described in detail.But these embodiment do not limit the utility model, and the conversion on the structure that those of ordinary skill in the art makes according to these embodiment, method or the function all is included in the protection domain of the present utility model.
Ginseng Fig. 1, Fig. 2 and shown in Figure 3, diffuser plate 100 provided by the utility model is the multilayer diffuser plate, with respect to existing individual layer diffuser plate, it can carry out multi-level diffusion with light, promote diffusion effect, improve simultaneously the visual angle that the microstructure of the diffusion individual layer of exiting surface can effectively improve diffuser plate, General Promotion goes out light quality.
In the utility model, aforementioned diffuser plate 100 comprises diffusion individual layer 10, and diffusion individual layer 10 comprises diffusion particle layer 11 and is arranged at refraction photosphere 12 on the diffusion particle layer 11;
Concrete, diffusion individual layer 10 quantity are set at least two.
Wherein, diffusion particle layer 11 comprises base material and incorporates diffusion particle in the base material, diffusion particle from have different refractive indexes, thereby so that diffusion individual layer 10 can the diffusion into the light emitted line.
Concrete, the base material of diffusion particle layer 11 comprises that described base material made by polystyrene or polycarbonate or polypropylene or polymethylmethacrylate or PEN or polyethylene terephthalate.
Concrete, the diffusion particle of diffusion particle layer 11 comprises the combination in any of polymethylmethacrylate or polystyrene or organosilicon or titania powder or above-mentioned four kinds of materials.
Especially, for the quality of base material in the single diffusion particle layer 11, the quality of diffusion particle is 0.1% ~ 10% of base material quality.
Base material in the aforementioned diffusion particle layer 11, diffusion particle take and relevant proportioning as technology well known to those of ordinary skill in the art, do not do at this and to give unnecessary details.
Diffusion individual layer 10 also comprises refraction photosphere 12, it fits on the diffusion particle layer 11, light is after the diffusion first time through diffusion particle layer 11, enter refraction photosphere 12, because refraction photosphere 12 has the refractive index different from diffusion particle layer 11 base material, the microstructure that cooperates simultaneously refraction photosphere 12 is diffusing light again, thereby so that light comprehensively spread.
Especially, the thickness of considering diffuser plate 100 with and applied environment, need to the thickness of diffusion individual layer 10 be limited, in the utility model, the thickness of diffusion individual layer 10 is set to 1um ~ 2mm.
Below, in conjunction with concrete accompanying drawing in detail 3 embodiment of the present utility model are described in detail:
Join shown in Figure 1ly, among the first embodiment of the present utility model, diffuser plate 100 comprises: diffusion individual layer 10, diffusion individual layer 10 comprise diffusion particle layer 11 and are arranged at refraction photosphere 12 on the described diffusion particle layer 11; And aforementioned diffusion individual layer 10 quantity are set at least two.
Preferably, the quantity of diffusion individual layer 10 is set to 3 or 4 layers in the diffuser plate 100.
Concrete, diffuser plate 100 adopts 3 or 4 layers of aforementioned diffusion individual layer 10 stack and gets, and incident ray spreads more even after the diffusion that obtains successively 3 or 4 layers of diffusion individual layer 10.
And, also be provided with air layer 20 between the adjacent diffusion individual layer 10, by being set, air layer 20 can reduce incident ray through the consume after a plurality of diffusion individual layers 10 between adjacent diffusion individual layer 10.
The optical cements for bonding optical articles that adopt 3M company between the existing diffuser plate more, although the refractive index of optical cement of 3M company is close to air, but in the present embodiment, the diffuser plate 100 of extruding by one, its each diffusion individual layer 10 of air layer 20 isolation, its air layer 20 can replace the optical cement of 3M fully, when improving diffuser efficiency, reduced purchase cost, as seen very great commercial promise has been arranged.
In the present embodiment, diffusion particle layer 11 comprises incidence surface and the exiting surface of mutual correspondence, and incidence surface and exiting surface are burnishing surface.
Especially, refraction photosphere 12 is fixed in the exiting surface of diffusion particle layer 11.
Wherein, the fixed form between refraction photosphere 12 and the diffusion particle layer 11 is technology well known to those of ordinary skill in the art, and therefore not to repeat here.
Wherein, each plan view shape that protrudes microstructure is strip or granulated; Each section shape that protrudes microstructure is the combination in any of triangle or semicircle or non-semicircular arc or above-mentioned three kinds of shapes.
Especially, it is identical that each protrudes microstructure shape, preferred, and in the present embodiment, the protrusion microstructure shape of each diffusion particle layer 11 that diffuser plate 100 is set is identical, to reduce production hour, enhances productivity.
Simultaneously, the quantity that limits diffusion individual layer 10 is 3 or 4 layers, so that diffuser plate 100 is when having better diffusion, size can be not excessive.
In addition, in other embodiment of the present utility model, each of diffusion particle layer 11 protrudes the microstructure shape and is not required for unanimously, can customize according to concrete requirement, so that the specification of diffuser plate 100 is more flexible, be applicable to concrete working environment and customer demand.
Certainly, among other embodiment of the present utility model, also can be for specific requirement, the concrete number of customization diffusion individual layer 10.
Diffuser plate 100 in the present embodiment has increased the quantity of its diffusion individual layer 10, has formed the multi-level diffusion to incident ray, has improved the diffusion effect to incident light; And between adjacent diffusion individual layer 10, also be provided with air layer 20, reduced the loss that light transmits between adjacent diffusion individual layer 10, increased the brightness of output light, and then promoted the light output quality.
Especially, the light blast 10% ~ 20% that the diffuser plate 100 of the present embodiment is exported with respect to the individual layer diffuser plate can be omitted the existing brightness enhancement film that is arranged on the diffuser plate fully.
Especially for the brightness enhancement film of at present common 3M, its purchase cost is higher, adopts the diffuser plate 100 of the present embodiment can cancel aforementioned brightness enhancement film, has reduced purchase cost, and as seen very great commercial promise is arranged.
Join shown in Figure 2, among the second embodiment of the present utility model, diffuser plate 100 comprises: at least two diffusion individual layers 10, the refraction photosphere 12 that each diffusion individual layer 10 comprises diffusion particle layer 11 and is arranged at diffusion particle layer top, refraction photosphere 12 comprise at least one protrusion microstructure.
The direction of definition light penetration diffuser plate 100 is first direction, and aforementioned at least two diffusion individual layers 10 comprise initial propagations individual layer and the wide-angle diffusion individual layer of arranging along first direction;
Wherein, wide-angle diffusion individual layer comprises that wide-angle protrudes microstructure, and it is semicircle that wide-angle protrudes the microstructure section shape.
By adopting the semicircle microstructure of protruding with respect to leg-of-mutton protrusion microstructure, the positive visual angle of diffuser plate can be promoted to 120 ° from 70 °.
Concrete, the wide-angle diffusion layer by incident ray last diffusion individual layer 10 of process, wide-angle diffusion individual layer includes only a diffusion individual layer 10.
Corresponding, other diffusion individual layers 10 of process all are the initial propagations individual layer before the incident ray.
Similarly, be provided with air layer between the adjacent diffusion individual layer 10, all be provided with air layer 20 between all diffusion individual layers 10 of aforementioned adjacent diffusion individual layer 10 surface diffusion sheets 100.
By being set, air layer 20 can reduce incident ray through the consume after a plurality of diffusion individual layers 10 between the adjacent vacant gas-bearing formation.
By being set, air layer 20 can reduce incident ray through the consume after a plurality of diffusion individual layers 10 between adjacent diffusion individual layer 10.
The optical cements for bonding optical articles that adopt 3M company between the existing diffuser plate more, although the refractive index of optical cement of 3M company is close to air, but in the present embodiment, the diffuser plate 100 of extruding by one, its each diffusion individual layer 10 of air layer 20 isolation, its air layer 20 can replace the optical cement of 3M fully, when improving diffuser efficiency, reduced purchase cost, as seen very great commercial promise has been arranged.
The initial propagations individual layer comprises initial protrusion microstructure, and the section shape of described initial protrusion microstructure is the combination in any of triangle or semicircle or non-semicircular arc or above-mentioned three kinds of shapes.
Each plan view shape that protrudes microstructure is strip or granulated.
The diffusion particle layer comprises incidence surface and the exiting surface of mutual correspondence, and incidence surface and exiting surface are burnishing surface.
The refraction photosphere is fixed in the exiting surface of diffusion particle layer, protrudes microstructure and uniformly-spaced is arranged in exiting surface, and wherein, it is identical to lower production hour that each of identical diffusion individual layer protrudes the microstructure shape, enhances productivity.
In addition, among other embodiment of the present utility model, for each microstructure shape of identical diffuser plate 100 and do not require consistent, with the various working environments of adaptation that improve diffuser plate 100 and the ability of customer demand.
The diffuser plate 100 that the utility model provides has increased the quantity that wherein spreads individual layer 10, has formed the multi-level diffusion to incident ray, has improved the diffusion effect to incident light; And between adjacent diffusion individual layer 10, also be provided with air layer, reduced the loss that light transmits between adjacent diffusion individual layer 10, played brightening effect, improved the light output quality; Simultaneously, changed the microstructure shape of the wide-angle diffusion individual layer of bright dipping, thereby the positive visual angle of having improved diffuser plate further promotes diffuser plate and goes out light effect.
Ginseng Fig. 1 and shown in Figure 2, by incident ray in the diffuser plate 100 being set finally by the microstructure shape of the diffusion individual layer 10 of crossing, can effectively regulate and control the positive visual angle of diffuser plate 100, and manufacture process is simple, convenient for carrying out customization production according to customer demand.
Join shown in Figure 3, among the 3rd embodiment of the present utility model, diffuser plate 100 comprises: diffusion unit, aforementioned diffusion unit comprise diffusion particle layer 11 and be arranged at refraction photosphere 12 on the diffusion particle layer 11, and diffusion particle layer 11 comprises base material and is arranged at diffusion particle in the base material;
Wherein, refraction photosphere 12 all is burnishing surface with incidence surface and the exiting surface of diffusion particle layer 11;
Especially, described diffusion unit quantity is set at least three.
Concrete, diffusion unit is to spread individual layer 10, and incidence surface and the corresponding exiting surface of the diffusion particle layer 11 in the diffusion individual layer 10 all are burnishing surfaces; The refraction photosphere 12 of diffusion individual layer 10 does not comprise the protrusion microstructure, and incidence surface and exiting surface also be burnishing surface, thus so that diffusion particle layer 11 and reflect photosphere 12 and can fit tightly.
Simultaneously, fit tightly to guarantee the Stability Analysis of Structures of diffuser plate 100 between adjacent diffusion particle layer 11 and the refraction photosphere 12.
Wherein, the thickness of diffusion unit is 1um ~ 2mm, and is special, and diffuser plate 100 thickness are fit to various products less than 5mm with the size that guarantees diffuser plate 100.
In sum, diffuser plate 100 of the present utility model has increased the quantity that wherein spreads individual layer 10, has formed the multi-level diffusion to incident ray, has improved the diffusion effect to incident light; And can arrange whether refraction photosphere 12 arranges microstructured layers in the diffusion individual layer 10, and the interpolation of follow-up air layer and removal have improved the customization of diffuser plate 100, have improved simultaneously emitting brightness and visual angle; Especially, adopt one extrusion molding mode to produce aforementioned diffuser plate 100, its production efficiency is higher, is applicable to large-scale production, and structure is more stable, longer service life, and is easy to maintenance.
Be to be understood that, although this instructions is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of instructions only is for clarity sake, those skilled in the art should make instructions as a whole, technical scheme in each embodiment also can through appropriate combination, form other embodiments that it will be appreciated by those skilled in the art that.
Above listed a series of detailed description only is specifying for feasibility embodiment of the present utility model; they are not to limit protection domain of the present utility model, allly do not break away from equivalent embodiment or the change that the utility model skill spirit does and all should be included within the protection domain of the present utility model.
Claims (5)
1. a diffuser plate is characterized in that, this diffuser plate comprises:
Diffusion unit, described diffusion unit comprise the diffusion particle layer and be arranged at refraction photosphere on the described diffusion particle layer, and the incidence surface of described refraction photosphere and described diffusion particle layer and exiting surface all are burnishing surface;
Wherein, described diffusion unit quantity is set at least three.
2. diffuser plate as claimed in claim 1 is characterized in that, fits tightly between the adjacent diffusion unit.
3. diffuser plate as claimed in claim 1 is characterized in that, fits tightly between adjacent diffusion particle layer and the refraction photosphere.
4. diffuser plate as claimed in claim 1 is characterized in that, the thickness of described diffusion unit is 1um ~ 2mm.
5. diffuser plate as claimed in claim 1 is characterized in that, described diffuser plate thickness is less than 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220033961 CN202693828U (en) | 2012-02-03 | 2012-02-03 | Diffuser plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220033961 CN202693828U (en) | 2012-02-03 | 2012-02-03 | Diffuser plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693828U true CN202693828U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220033961 Expired - Lifetime CN202693828U (en) | 2012-02-03 | 2012-02-03 | Diffuser plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245987A (en) * | 2012-02-03 | 2013-08-14 | 苏州拓显光电材料有限公司 | Diffuser plate |
-
2012
- 2012-02-03 CN CN 201220033961 patent/CN202693828U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245987A (en) * | 2012-02-03 | 2013-08-14 | 苏州拓显光电材料有限公司 | Diffuser plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |