CN103245987A - Diffuser plate - Google Patents
Diffuser plate Download PDFInfo
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- CN103245987A CN103245987A CN2012100236852A CN201210023685A CN103245987A CN 103245987 A CN103245987 A CN 103245987A CN 2012100236852 A CN2012100236852 A CN 2012100236852A CN 201210023685 A CN201210023685 A CN 201210023685A CN 103245987 A CN103245987 A CN 103245987A
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Abstract
The invention provides a diffuser plate which comprises at least three diffusion units. Each diffusion unit comprises a diffusion particle layer and a light refracting layer arranged on the diffusion particle layer, wherein the diffusion particle layer comprises a substrate and diffusion particles arranged in the substrate, and the in-light surface and the out-light surface of the light refracting layer and the diffusion particle layer are flat and smooth surfaces. Compared with the prior art, the diffuser plate provided by the invention achieve multi-layer diffusion of the in-light through interlacing and overlying the diffusion particle layers and the light refracting layers, the diffusion effect of the in-light is improved, the structure is compact, the quality of the diffuser plate is improved, and the service life is prolonged.
Description
Technical field
The present invention relates to the optical material field, relate 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, be example with the LCD, because liquid crystal itself is not luminous, it need provide module backlight so that LCD can normally show image, the light source that then requires module backlight high brightness to be provided and to be evenly distributed, so add diffuser plate so that light is taken in liquid crystal panel uniformly before the light source of the module backlight 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 once diffusion, light is not carried out multi-level diffusion, cause diffusion effect bad, the light luminance of individual layer diffuser plate outgoing simultaneously is low excessively, causes the light output quality low excessively.
Therefore, be necessary to propose a kind of new diffuser plate and solve the problems referred to above.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of integrated multilayer diffuser plate.
For solving the problems of the technologies described above, the invention provides a kind of diffuser plate, it comprises:
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 that 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 a further improvement on the present invention, fit tightly between the adjacent diffusion unit.
As a further improvement on the present invention, fit tightly between adjacent diffusion particle layer and the refraction photosphere.
As a further improvement on the present invention, the thickness of described diffusion unit is 1um ~ 2mm.
As a further improvement on the present invention, described diffuser plate thickness is less than 5mm.
Compared with prior art, diffuser plate provided by the invention 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 structure is tight, has improved the diffuser plate quality, has prolonged serviceable life.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing relevant of the present invention in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the cut-open view of diffuser plate of the present invention in first embodiment;
Fig. 2 is the cut-open view of diffuser plate of the present invention in second embodiment;
Fig. 3 is the cut-open view of diffuser plate of the present invention 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
Describe the present invention below with reference to each embodiment shown in the drawings.But these embodiment do not limit the present invention, 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 protection scope of the present invention.
Ginseng Fig. 1, Fig. 2 and shown in Figure 3, diffuser plate 100 provided by the present invention 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 the visual angle that the microstructure of the diffusion individual layer of exiting surface can effectively improve diffuser plate simultaneously, be lifted out light quality comprehensively.
Among the present invention, 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 with have different refractive indexes, thereby make 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, at 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 with and relevant proportioning be technology well known to those of ordinary skill in the art, do not do at this and 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 with diffusion particle layer 11 base material, cooperate the microstructure of refraction photosphere 12 can spread light again simultaneously, thereby make light comprehensively be spread.
Especially, the thickness of considering diffuser plate 100 with and applied environment, need the thickness of diffusion individual layer 10 be limited, among the present invention, 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 invention are described in detail:
Join shown in Figure 1ly, in the first embodiment of the present invention, 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 3 or 4 layers of diffusion individual layer 10 successively.
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 optical cement refractive index of 3M company is close to air, but in the present embodiment, the diffuser plate of extruding by one 100, its air layer 20 is isolated each diffusion individual layer 10, 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, does not give unnecessary details at this.
Wherein, each plan view shape that protrudes microstructure is strip or particle shape; 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, produces man-hour to reduce, and 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 embodiments of the invention, each of diffusion particle layer 11 protrudes the microstructure shape and is not required for unanimity, 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 invention, also can be at 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 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 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, in the second embodiment of the present invention, 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 optical cement refractive index of 3M company is close to air, but in the present embodiment, the diffuser plate of extruding by one 100, its air layer 20 is isolated each diffusion individual layer 10, 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 particle shape.
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, each of identical diffusion individual layer protrudes that microstructure shape is identical produces man-hour to lower, and enhances productivity.
In addition, among other embodiment of the present invention, for each microstructure shape of identical diffuser plate 100 and do not require unanimity, with the various working environments of adaptation that improve diffuser plate 100 and the ability of customer demand.
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 of crossing 10, 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, in the third embodiment of the present invention, 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 are burnishing surface also, thereby makes diffusion particle layer 11 and refraction photosphere 12 to 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 invention 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 emitting brightness and visual angle simultaneously; 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 stable more, longer service life, and is easy to maintenance.
Be to be understood that, though 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 form other embodiments that it will be appreciated by those skilled in the art that through appropriate combination.
Above listed a series of detailed description only is specifying at feasibility embodiment of the present invention; they are not in order to limiting protection scope of the present invention, allly do not break away from equivalent embodiment or the change that skill spirit of the present invention does and all should be included within protection scope of the present invention.
Claims (5)
1. a diffuser plate is characterized in that, this diffuser plate comprises:
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 that 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 |
|---|---|---|---|
| CN2012100236852A CN103245987A (en) | 2012-02-03 | 2012-02-03 | Diffuser plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100236852A CN103245987A (en) | 2012-02-03 | 2012-02-03 | Diffuser plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103245987A true CN103245987A (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100236852A Pending CN103245987A (en) | 2012-02-03 | 2012-02-03 | Diffuser plate |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974500A (en) * | 2016-06-21 | 2016-09-28 | 钟莉 | Multilayer integrally-formed anti-dazzle optical diffuser plate |
| CN106094225A (en) * | 2016-08-23 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of beam splitting coating structure, backlight module and 3D display device |
| CN108037555A (en) * | 2017-10-25 | 2018-05-15 | 苏州三鑫时代新材料股份有限公司 | Light diffusing sheet of Mobyneb haze and high transparency and preparation method thereof |
| CN108037554A (en) * | 2017-10-25 | 2018-05-15 | 苏州三鑫时代新材料股份有限公司 | A kind of haze, high transparency light diffusing sheet and preparation method thereof |
| CN108037556A (en) * | 2017-10-25 | 2018-05-15 | 苏州三鑫时代新材料股份有限公司 | The light diffusing sheet its preparation method of Mobyneb haze and high transparency |
| CN108037557A (en) * | 2017-10-25 | 2018-05-15 | 苏州三鑫时代新材料股份有限公司 | The light diffusing sheet its preparation method of Mobyneb haze and high transparency |
| CN108051878A (en) * | 2017-10-25 | 2018-05-18 | 苏州三鑫时代新材料股份有限公司 | A kind of haze, high transparency light diffusing sheet and preparation method thereof |
| CN108051877A (en) * | 2017-10-25 | 2018-05-18 | 苏州三鑫时代新材料股份有限公司 | A kind of haze, high transparency light diffusing sheet and preparation method thereof |
| CN108488691A (en) * | 2018-03-20 | 2018-09-04 | 青岛海信电器股份有限公司 | A kind of complex diffuser, backlight module and display device |
| CN110320580A (en) * | 2018-03-30 | 2019-10-11 | 惠和株式会社 | Light diffusing sheet laminated body, back light unit and liquid crystal display device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974500A (en) * | 2016-06-21 | 2016-09-28 | 钟莉 | Multilayer integrally-formed anti-dazzle optical diffuser plate |
| CN106094225A (en) * | 2016-08-23 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of beam splitting coating structure, backlight module and 3D display device |
| CN106094225B (en) * | 2016-08-23 | 2018-09-11 | 京东方科技集团股份有限公司 | A kind of beam splitting membrane structure, backlight module and 3D display device |
| CN108037555A (en) * | 2017-10-25 | 2018-05-15 | 苏州三鑫时代新材料股份有限公司 | Light diffusing sheet of Mobyneb haze and high transparency and preparation method thereof |
| CN108037554A (en) * | 2017-10-25 | 2018-05-15 | 苏州三鑫时代新材料股份有限公司 | A kind of haze, high transparency light diffusing sheet and preparation method thereof |
| CN108037556A (en) * | 2017-10-25 | 2018-05-15 | 苏州三鑫时代新材料股份有限公司 | The light diffusing sheet its preparation method of Mobyneb haze and high transparency |
| CN108037557A (en) * | 2017-10-25 | 2018-05-15 | 苏州三鑫时代新材料股份有限公司 | The light diffusing sheet its preparation method of Mobyneb haze and high transparency |
| CN108051878A (en) * | 2017-10-25 | 2018-05-18 | 苏州三鑫时代新材料股份有限公司 | A kind of haze, high transparency light diffusing sheet and preparation method thereof |
| CN108051877A (en) * | 2017-10-25 | 2018-05-18 | 苏州三鑫时代新材料股份有限公司 | A kind of haze, high transparency light diffusing sheet and preparation method thereof |
| CN108488691A (en) * | 2018-03-20 | 2018-09-04 | 青岛海信电器股份有限公司 | A kind of complex diffuser, backlight module and display device |
| CN110320580A (en) * | 2018-03-30 | 2019-10-11 | 惠和株式会社 | Light diffusing sheet laminated body, back light unit and liquid crystal display device |
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Application publication date: 20130814 |