CN102207579A - Two-way optical guiding module, double-face display and production method of two-way optical guiding module - Google Patents
Two-way optical guiding module, double-face display and production method of two-way optical guiding module Download PDFInfo
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- CN102207579A CN102207579A CN2011101620559A CN201110162055A CN102207579A CN 102207579 A CN102207579 A CN 102207579A CN 2011101620559 A CN2011101620559 A CN 2011101620559A CN 201110162055 A CN201110162055 A CN 201110162055A CN 102207579 A CN102207579 A CN 102207579A
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Abstract
The invention relates to a two-way optical guiding module, a double-face display and a production method of the two-way optical guiding module. The two-way optical guiding module in the invention comprises two first plastic optical layers with light transmission, a second plastic optical layer located between the two first plastic optical layers and a plurality of optical reflecting contents, wherein the outer side surface of each first plastic optical layer opposite to the second plastic optical layer is equipped with a microstructure pattern, and the plurality of optical reflecting contents are distributed in the second plastic optical layer. The invention has the following advantages that: because the two optical guiding layers are provided with one reflecting layer therebetween, and are integrated with the reflecting layer, the light inlet surface of each optical guiding layer can respectively face one individual light source; thus the two light sources are individually controlled to provide the selections of one-way or two-way light emitting operation; and the efficiency of respective light sources is effectively used to improve the light utilization rate.
Description
Technical field
The present invention relates to a kind of leaded light component, relate in particular to the manufacture method of a kind of bi-directional light arrangement for guiding and bi-directional light arrangement for guiding thereof.
Background technology
Light source can be divided into direct light source and indirect light source haply; By bulb, fluorescent tube ... the light source that waits luminescence component directly to launch light can be considered direct light source.Light with the light of direct light source presents after via conducting subassembly then can be considered indirect light source.
Generally speaking, directly the brightness of light source is higher, therefore is used in lighting use usually; Though utilization such as LED is also arranged as the direct sunshine person that comes from the decorative use, when large tracts of land is used, need lay a large amount of LED, and brightness is comparatively dazzling.The brightness of indirect light source is relatively low, but softer, so be used in decoration, indication usually and as purposes such as backlight modules, and can use a small amount of light source to reach the larger area illumination effect.
The conducting subassembly of indirect light source for example is the bi-directional light arrangement for guiding.Bi-directional light arrangement for guiding and light source can be in order to as LCD TV, display, advertisement billboards ... wait the backlight module of the light source of product.For the electronic product that the body thickness requirement approaches, typically use LED as light source, and light source is located at bi-directional light arrangement for guiding side, first side of bi-directional light arrangement for guiding then is provided with a reflection subassembly, and second side surface opposite then can be provided with or not be provided with the plural blooming piece of being made up of diffusion sheet and prismatic lens etc.
In addition, when adopting above-mentioned backlight module to make display with double faces, two opposite side faces of bi-directional light arrangement for guiding reflection subassembly need be not placed, the plural blooming piece of being formed by diffusion sheet and prismatic lens etc. can be provided with or be provided with.
Yet, when adopting above-mentioned backlight module to make display with double faces, can select two-wayly or only luminous when display with double faces can't use at every turn arbitrarily towards single direction, the also brightness of uncontrollable light source so will cause light utilization efficiency to reduce.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of bi-directional light arrangement for guiding, are intended to solve the above problems.
The present invention also provides the display with double faces of above-mentioned bi-directional light arrangement for guiding.
The present invention also provides the manufacture method of bi-directional light arrangement for guiding.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
Bi-directional light arrangement for guiding of the present invention comprises: 2 first plastic optics layers; Described 2 first plastic optics layer tool light transmissions; One second plastic optics layer; The described second plastic optics layer is between this 2 first plastic optics layer, and side surface has a micro structured pattern outside relative this second plastic optics layer of each this first plastic optics layer; And a plurality of smooth reflected content things; Described a plurality of smooth reflected content thing is distributed in this second plastic optics layer.
Display with double faces of the present invention comprises: above-mentioned bi-directional light arrangement for guiding; One first light source; Described first light source is positioned at one of them the incidence surface of this 2 first plastic optics layer of this bi-directional light arrangement for guiding; An and secondary light source; This 2 first plastic optics layer that described secondary light source is positioned at this bi-directional light arrangement for guiding is another a incidence surface wherein.
The manufacture method of bi-directional light arrangement for guiding of the present invention is to realize by following steps:
While ejection formation 2 first plastic formers and one second plastic former, wherein this second plastic former includes a plurality of smooth reflected content things;
With those first plastic formers and the common pressing and forming of this second plastic former is holistic bi-directional light arrangement for guiding, and wherein this second plastic optics layer is jointlessly between those first plastic optics layers.
Compared with prior art, the invention has the beneficial effects as follows: because two optical waveguide layers are provided with a reflector layer betwixt and integrate, make the incidence surface of each optical waveguide layer can face an arbitrary source respectively, so, by independent this two light source of control, select unidirectional or two-way luminous operation to provide, effectively utilize the efficient of light source separately, to improve light utilization efficiency.
Description of drawings
Fig. 1 illustrates the process flow diagram of the method for making of bi-directional light arrangement for guiding of the present invention.
Fig. 2 illustrates the equipment synoptic diagram in order to the method for making of carrying out Fig. 1.
Fig. 3 A illustrates the partial enlarged drawing of the regional M1 of bi-directional light arrangement for guiding among Fig. 2.
Fig. 3 B illustrates the partial schematic diagram of the regional M2 of bi-directional light arrangement for guiding among Fig. 2.
Fig. 3 C illustrates the partial schematic diagram of bi-directional light arrangement for guiding at other embodiment.
Fig. 4 illustrates the cross-sectional schematic of display with double faces.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
The present invention is for disclosing a kind of bi-directional light arrangement for guiding, the manufacture method of its bi-directional light arrangement for guiding and the display with double faces of tool bi-directional light arrangement for guiding, in order to two-way luminous purpose to be provided.
The present invention is for disclosing a kind of bi-directional light arrangement for guiding, the manufacture method of its bi-directional light arrangement for guiding and the display with double faces of tool bi-directional light arrangement for guiding, in order to two light sources by independent control, select unidirectional or two-way luminous operation to provide, to improve light utilization efficiency.
One of the present invention aspect provides a kind of bi-directional light arrangement for guiding.The bi-directional light arrangement for guiding comprises 2 first plastic optics layers, one second plastic optics layer and a plurality of smooth reflected content thing.These a little first plastic optics layers are all had a light transmission.The second plastic optics layer is between these a little first plastic optics layers.Side surface has a micro structured pattern respectively outside the relative second plastic optics layer of these a little first plastic optics layers.Light reflected content thing is distributed in the second plastic optics layer.
In addition, among one of this aspect embodiment, the second plastic optics layer jointlessly between these a little first plastic optics layers, is wherein distinguished the not deadlocked layer of tool between a little therewith first plastic optics layer of the second plastic optics layer.
Among another embodiment of this aspect, the second plastic optics layer two relatively the surface respectively by deadlocked layer to be arranged between these a little first plastic optics layers.Among other embodiment of this aspect, each first plastic optics layer and the identical material of the second plastic optics layer tool.
Among other embodiment of this aspect, each first plastic optics layer and the identical area of the second plastic optics layer tool.
Among other embodiment of this aspect, the thickness of each first plastic optics layer is more than 3～6 times of thickness of the second plastic optics layer.
Among other embodiment of this aspect, the luminous reflectivity of the second plastic optics layer that is distributed with light reflected content thing is greater than the luminous reflectivity of the first plastic optics layer.
Among other embodiment of this aspect, the cumulative volume of these a little light reflected content things account for the second plastic optics layer volume 20%～50%.
Among other embodiment of this aspect, the material of each the first plastic optics layer and the second plastic optics layer is polypropylene, acrylonitrile-styrene-butadiene copolymer, polyethylene terephthalate, polystyrene, polycarbonate, pi or polymethylmethacrylate or its combination.
Among other embodiment of this aspect, light reflected content thing is a metal powder.Further, the material of metal powder is silver, copper, gold, nickel, aluminium, tin, chromium, titanium, iron or its combination.
Among other embodiment of this aspect, light reflected content thing is the optical whitening agent particle.Further, the optical whitening agent particle is the combination of talan or talan and barium sulphate or titania and silicon dioxide.
Among other embodiment of this aspect, the second plastic optics layer that is distributed with light reflected content thing is white in color, silver color or gold.
Among other embodiment of this aspect, micro structured pattern comprises the structure of convex or concave.Further, the structure of micro structured pattern is sphere, " V " font, " U " font, square, rectangle, rhombus, smart circle, triangle, waveform or its combination.
In addition, this kind display with double faces comprises just like above-mentioned bi-directional light arrangement for guiding, one first light source, a secondary light source, two prismatic lenses and two diffusion sheets.First light source is positioned at wherein one of one first plastic optics layer incidence surface of this bi-directional light arrangement for guiding.Secondary light source is positioned at one of another first plastic optics layer of this bi-directional light arrangement for guiding incidence surface.Prismatic lens and diffusion sheet lay respectively at two relative exiting surfaces of bi-directional light arrangement for guiding, and diffusion sheet lays respectively between this bi-directional light arrangement for guiding and the prismatic lens.
Another aspect of the present invention provides a kind of method for making of bi-directional light arrangement for guiding, comprises a step and is while ejection formation 2 first plastic formers and one second plastic former, and wherein this second plastic former includes a plurality of smooth reflected content things; And another step is for being the bi-directional light arrangement for guiding of an integral body with these a little first plastic formers and the common pressing and forming of this second plastic former, and wherein the second plastic optics layer is jointlessly between these a little first plastic optics layers.
Among one of this another aspect embodiment, when these a little first plastic formers and the common pressing and forming of this second plastic former are the bi-directional light arrangement for guiding of an integral body, by moulding roll extrusion wheels, with these a little first plastic formers and the common pressing and forming of this second plastic former bi-directional light arrangement for guiding of integral body for this reason.
Among other embodiment of this another aspect, after a little first plastic formers and the common pressing and forming of this second plastic former are the bi-directional light arrangement for guiding of an integral body with this, this method for making more comprises by another moulding roll extrusion wheels, to two outer surfaces of the relative second plastic optics layer of these a little first plastic optics layers respectively coining go out a micro structured pattern.
Among other embodiment of this another aspect, the cumulative volume of these a little light reflected content things account for second plastic former volume 20%～50%.
Among other embodiment of this another aspect, the material of each first plastic former and second plastic former is polypropylene, acrylonitrile-styrene-butadiene copolymer, polyethylene terephthalate, polystyrene, polycarbonate, pi or polymethylmethacrylate or its combination.
Among other embodiment of this another aspect, light reflected content system metal powder.Further, the material of metal powder is silver, copper, gold, nickel, aluminium, tin, chromium, titanium, iron or its combination.
Among other embodiment of this another aspect, light reflected content thing is the optical whitening agent particle.Further, the optical whitening agent particle is the combination of talan or talan and barium sulphate or titania and silicon dioxide.
See also shown in 1 figure, the 2nd figure and the 3A～3B figure.The 1st figure illustrates equipment synoptic diagram, the 3A figure that process flow diagram, the 2nd figure of the method for making of bi-directional light arrangement for guiding of the present invention illustrate in order to the method for making of carrying out the 1st figure and illustrates the partial enlarged drawing of the regional M1 of bi-directional light arrangement for guiding among the 2nd figure and the partial schematic diagram that 3B figure illustrates the regional M2 of bi-directional light arrangement for guiding among the 2nd figure.
See also the 1st figure, provide a kind of method for making of bi-directional light arrangement for guiding, comprise step:
Step (101): while ejection formation 2 first plastic former P11, P11 ' and one second plastic former P21 wherein are mixed with a plurality of smooth reflected content things 400 in the second plastic former P21;
Step (102): with 2 first plastic former P11, P11 ' and the common pressing and forming of the second plastic former P21 is the bi-directional light arrangement for guiding 100 of an integral body, wherein the second plastic former P21 by clamping between 2 first plastic former P11, P11 ';
Step (103): make respectively a micro structured pattern 210 in bi-directional light arrangement for guiding 100 two relatively the surface; And
Step (104): cooling bi-directional light arrangement for guiding 100.
Among one of the present invention embodiment, above-mentioned method for making can adopt ejection formation and press equipment 600 more than the 2nd figure, and many ejection formations and press equipment 600 comprise a feed portion 610, and add pressing die head 620 and moulding roll extrusion wheels 630.Feed portion 610 comprises one first feed chamber 611, one second feed chamber 613, one the 3rd feed chamber 615, one first heating spiral rod 612, one second heating spiral rod 614 and one the 3rd heating spiral rod 616.First heating spiral rod 612 is connected first feed chamber 611 and is added pressing die head 620, in order to heating and transferring raw material to adding pressing die head 620.Second heating spiral rod 614 is connected second feed chamber 613 and is added pressing die head 620, in order to heating and transferring raw material to adding pressing die head 620.The 3rd heating spiral rod 616 is connected the 3rd feed chamber 615 and is added pressing die head 620, in order to heating and transferring raw material to adding pressing die head 620.Moulding roll extrusion wheels 630 comprise phase 2 first moulding rolling wheels 631, phase 2 second moulding rolling wheels 632 and phase two holders side by side side by side side by side and draw wheel 633.The surface of the second moulding rolling wheel 632 has a space pattern respectively.
Please consult the 1st figure, the 2nd figure and 3A figure simultaneously, when carrying out step (101), its thin portion step is:
(i) first feed chamber 611, the 3rd feed chamber 615 are placed with the first sizing material P1 respectively.Second feed chamber 613 can be placed with the second sizing material P2, is mixed with a plurality of smooth reflected content things 400 in the second sizing material P2; Then
(ii) first heating spiral rod 612 heats the first sizing material P1 in first feed chamber 611, and guide the first sizing material P1 to adding in the pressing die head 620, be mixed with the second sizing material P2 of light reflected content thing 400 in second heating spiral rod, 614 heating, second feed chamber 613, and guide the second sizing material P2 to adding in the pressing die head 620, the first sizing material P1 in the 3rd heating spiral rod 616 heating the 3rd feed chamber 615, and guide the first sizing material P1 to adding in the pressing die head 620; Then
(iii) the first sizing material P1 after two fusings and the second sizing material P2 that is mixed with light reflected content thing 400 shunt according to thickness and can output to the external world via adding one of pressing die head 620 glue discharging mouth 621 continuously adding pressing die head 620, with continuous 2 first plastic former P11, the P11 ' of ejection formation and be mixed with the second plastic former P21 of a plurality of smooth reflected content things 400, wherein the second plastic former P21 is between 2 first plastic former P11, P11 '.
Furthermore, the a little first sizing material P1 of above-mentioned this can be consistent with the second sizing material P2, also not limitting must be consistent, its both material for example can be respectively polypropylene (Polypropylene, PP), acrylonitrile-styrene-butadiene copolymer (ABS resin, Acrylonitrile Butadiene Styrene, ABC), polyethylene terephthalate (polyethylene Terephthalate, PET), polystyrene (polystyrene, PS), polycarbonate (polycarbonate, PC), pi (Polyimide) or polymethylmethacrylate (Poly (methyl methacrylate), PMMA) or its combination.
Light reflected content thing 400 can be the optical whitening agent particle, and the optical whitening agent particle can increase the whiteness of plastics significantly, makes the second plastic former P21 that is distributed with light reflected content thing 400 to be white in color.Further, the optical whitening agent particle for example be talan (Eastobrite, C28H18N2O2), mix the mixing of barium sulphate (BaSO4) or talan and barium sulphate, titania with silicon dioxide.
In addition, among other embodiment, light reflected content thing 400 also can be a metal powder, and for example silver, copper, gold, nickel, aluminium, tin, chromium, titanium, iron or its combination makes the second plastic former P21 that is distributed with light reflected content thing can be silver color or gold.
Certainly, among other embodiment, second feed chamber 613 also can only be placed light reflected content thing 400, with the shaping thing of independent output glue.
Please consult the 1st figure, the 2nd figure and 3B figure simultaneously, when carrying out above-mentioned steps (102), its thin portion step is:
This 2 first plastic former P11, P11 ' and the second plastic former P21 that is mixed with a plurality of smooth reflected content things 400 can be simultaneously by between this 2 first moulding rolling wheels 631 in same step, make this 2 first moulding rolling wheel 631 on the one hand with the first plastic former P11, P11 ' and the common pressing of the second plastic former P21 to be shaped to the bi-directional light arrangement for guiding 100 of an integral body, guide the bi-directional light arrangement for guiding 100 of this integral body to advance on the other hand towards the direction of the second moulding rolling wheel 632.
During one of above-mentioned steps (102) changed, the second plastic optics layer 300,2 first plastic optics layers 200,200 ' therewith itself was still located high temperature, can be under the hot melt state together pressing form.During another of above-mentioned steps (102) changes because this 2 first moulding rolling wheel 631 can be heated to certain temperature, make the second plastic optics layer 300 therewith 2 first plastic optics layers 200,200 ' more can under the hot state of height, be formed by hot pressing together.
More specifically, by the position of these 2 first moulding rolling wheels 631 of move left and right, can adjust the bi-directional light arrangement for guiding 100 of moulding is desired in crack between 631 of this 2 first moulding rolling wheels with control integral thickness.
When carrying out above-mentioned steps (103) (shown in 3B figure), when the bi-directional light arrangement for guiding 100 of this integral body passes through between this 2 second moulding rolling wheel 632, because the space between this 2 second moulding rolling wheel 632 is limited, the space pattern of these 2 second moulding rolling wheels 632 outside the relative second plastic former P21 of this a little first plastic former P11, P11 ' side surface respectively coining go out a micro structured pattern 210, micro structured pattern 210 comprises a plurality of optical microstructures.
In addition, by the position of these 2 second moulding rolling wheels 632 that relatively move, can adjust coining micro structured pattern 210 is desired in crack between 632 of this 2 second moulding rolling wheels with control the degree of depth.
Yet, the mode of making micro structured pattern 210 is not limited only to this, other for example is divided into chemical etching (Etching), precision optical machinery portrayal method (V-cut), light lithography method (Stamper), internal divergence etc., perhaps, also can mode of printing the site be imprinted on side surface outside the relative second plastic former P21 of this a little first plastic former P11, P11 '.In addition, micro structured pattern 210 comprises the structure of convex or concave.Further, the section shape of micro structured pattern 210 structures can be sphere, " V " font, " U " font, square, rectangle, rhombus, smart circle, triangle, waveform or its combination.Yet the structure of micro structured pattern 210 is not limited only to this.In addition, the distribution density of micro structured pattern 210 is along with increasing away from light source.The distribution density of micro structured pattern 210, distribution mode can need to decide with design, also can adopt regular distribution or stochastic distribution, are not limited at this.
Moreover it is to drag the pulling force that draws bi-directional light arrangement for guiding 100 in order to provide that wheel 633 is drawn in holder, so that quicken the speed that bi-directional light arrangement for guiding 100 is transferred.
When carrying out above-mentioned steps (104), do not limit the mode of cooling, make bi-directional light arrangement for guiding 100 have certain hardness, and it is to two side surfaces and keep shape outside the stereo microstructure pattern 210.
Please consult shown in the 3B figure, the bi-directional light arrangement for guiding of finishing through above-mentioned method for making 100 roughly comprises 2 first plastic optics layers 200,200 ' (being the above-mentioned first plastic former P11, P11 '), the second plastic optics layer 300 (being the second above-mentioned plastic former P21) again.Each first plastic optics layer 200,200 ' is all had a light transmission, can be transparent or semitransparent.The first plastic optics layer 200,200 ' two relatively the surface have a micro structured pattern 210 respectively.The second plastic optics layer 300 jointlessly by clamping between this 2 first plastic optics layer 200,200 '.Light reflected content thing 400 only is distributed in the second plastic optics layer, 300 inside, and more preferably, light reflected content thing 400 is uniformly distributed in the second plastic optics layer, 300 inside.
In addition, one of the present invention embodiment, the second plastic optics layer 300 are located immediately between this 2 first plastic optics layer 200,200 ', and the one side and the identical area of one of second plastic optics layer 300 mask of each first plastic optics layer 200 or 200 '.Do not limit identical or inequality as for this 2 first plastic optics layer 200, an area of 200 '.
Other embodiment of the present invention, each first plastic optics layer 200 or 200 ' thickness are greater than the thickness of the second plastic optics layer 300, and for example, the thickness of the first plastic optics layer 200 is more than 3～6 times of thickness of the second plastic optics layer 300.Do not limit identical or inequality as for this 2 first plastic optics layer 200,200 ' thickness.
Other embodiment of the present invention, the luminous reflectivity of the second plastic optics layer 300 that is distributed with light reflected content thing 400 is greater than the luminous reflectivity of each first plastic optics layer 200 or 200 '.Other embodiment of the present invention, the second plastic optics layer 300 that is distributed with light reflected content thing 400 be white in color or, silver color or gold.
Other embodiment of the present invention, the cumulative volume of these a little light reflected content things 400 account for the second plastic optics layer 300 volume 20%～50%.
See also shown in the 3C figure, be the partial schematic diagram of bi-directional light arrangement for guiding 101 in other embodiment, roughly identical with 3B figure bi-directional light arrangement for guiding 100, something in common is repeated description no longer, the difference part is can be after exporting the first above-mentioned plastic optics layer 200 of moulding, 200 ' and the second plastic optics layer 300 respectively, by two adhesion layers 700,701, make the second plastic optics layer 300 be incorporated between the first plastic optics layer 200,200 ' to finish the bi-directional light arrangement for guiding 101 of an integral body.
See also shown in the 4th figure.The 4th figure illustrates the cross-sectional schematic of display with double faces 800.Can be applicable in the two-sided display 800 through the bi-directional light arrangement for guiding 100 that above-mentioned method for making is finished.This display with double faces 800 comprises described bi-directional light arrangement for guiding 100, one first light source 520, a secondary light source 521, two prismatic lenses 540 and two diffusion sheets 530.First light source 520 is arranged in the wherein side of one first plastic optics layer 200 (being incidence surface 211) of bi-directional light arrangement for guiding 100.Secondary light source 521 is arranged in the side (being incidence surface 211 ') of another first plastic optics layer 200 ' of bi-directional light arrangement for guiding 100.
This two prismatic lens 540 and diffusion sheet 530 are symmetrically located at the two relative surfaces (being exiting surface 212,212 ', shown in the 4th figure) of bi-directional light arrangement for guiding 100 respectively, and each diffusion sheet 530 is between bi-directional light arrangement for guiding 100 and prismatic lens 540.
So, when light L1, the L2 of first light source 520 when incidence surface 211 enters the first plastic optics layer 200 of bi-directional light arrangement for guiding 100, the light L1 of first light source, 520 somes is through the guiding of the first plastic optics layer 200, and directly be sent bi-directional light arrangement for guiding 100 towards the direction of exiting surface 212, and be subjected to the light diffusion of micro structured pattern 210, to form the briliancy uniform surface light source, provide required brightness; The light L2 of first light source, 520 other parts can be sent bi-directional light arrangement for guiding 100 by the direction towards exiting surface 212 after the changed course, and be subjected to the light diffusion of micro structured pattern 210 after the reflection of the second plastic optics layer 300.Similarly, when the light of secondary light source 520 when incidence surface 211 ' enters the first plastic optics layer 200 ' of bi-directional light arrangement for guiding 100, the light of secondary light source 520 directly is sent bi-directional light arrangement for guiding 100 or after the reflection of the second plastic optics layer 300, is sent bi-directional light arrangement for guiding 100.
Yet above-mentioned bi-directional light arrangement for guiding 101 also is applicable in this display with double faces, but is not given unnecessary details at this.
Because bi-directional light arrangement for guiding of the present invention with 2 first plastic optics layer clamping, the second plastic optics layer therebetween and integrate, and the second plastic optics layer has light reflected content thing, make no longer have the space between the second plastic optics layer and each the first plastic optics layer, the purpose of two-way light total reflection just can be provided.
In addition, the incidence surface of each first plastic optics layer of display with double faces of the present invention is all respectively in the face of an arbitrary source, incidence surface compared to existing light guide plate is only faced single light source, can't select unidirectional or two-way luminous operation at every turn, the present invention can by independent control two light sources at least one of them, select unidirectional or two-way luminous operation to provide.For example, when selecting the unidirection luminous operation of display with double faces, by a wherein light source of independent control, this light source just can be exported own light source effectively, improves light utilization efficiency.
The present invention discloses among as above each embodiment; be not in order to limiting the present invention, anyly have the knack of this skill, without departing from the spirit and scope of the invention; when can doing various changes and retouching, so the present invention's protection domain is when looking being as the criterion that the accompanying Claim scope defined.
Claims (16)
1. a bi-directional light arrangement for guiding is characterized in that comprising: 2 first plastic optics layers; Described 2 first plastic optics layer tool light transmissions; One second plastic optics layer; The described second plastic optics layer is between this 2 first plastic optics layer, and side surface has a micro structured pattern outside relative this second plastic optics layer of each this first plastic optics layer; And a plurality of smooth reflected content things; Described a plurality of smooth reflected content thing is distributed in this second plastic optics layer.
2. bi-directional light arrangement for guiding according to claim 1 is characterized in that: this second plastic optics layer is jointlessly between those first plastic optics layers.
3. bi-directional light arrangement for guiding according to claim 1 is characterized in that: this second plastic optics layer two relatively the surface respectively by deadlocked layer between those first plastic optics layers.
4. bi-directional light arrangement for guiding according to claim 1 is characterized in that: the thickness of each those first plastic optics layer is more than 3～6 times of thickness of this second plastic optics layer.
5. bi-directional light arrangement for guiding according to claim 1 is characterized in that: the cumulative volume of those light reflected content things account for this second plastic optics layer volume 20%～50%.
6. bi-directional light arrangement for guiding according to claim 1 is characterized in that: this light reflected content thing is a metal powder.
7. bi-directional light arrangement for guiding according to claim 1 is characterized in that: this light reflected content thing is the optical whitening agent particle.
8. bi-directional light arrangement for guiding according to claim 7 is characterized in that: the material of this optical whitening agent particle is to be selected from the combination of talan, talan and barium sulphate or the combination of titania and silicon dioxide.
9. display with double faces, it is characterized in that comprising: one according to each described bi-directional light arrangement for guiding among the claim 1-8; One first light source; Described first light source is positioned at one of them the incidence surface of this 2 first plastic optics layer of this bi-directional light arrangement for guiding; An and secondary light source; This 2 first plastic optics layer that described secondary light source is positioned at this bi-directional light arrangement for guiding is another a incidence surface wherein.
10. display with double faces according to claim 9 is characterized in that also comprising: two prismatic lenses; Described branch two prismatic lenses are not positioned at two relative exiting surfaces of this bi-directional light arrangement for guiding; And two diffusion sheet; Described two diffusion sheets lay respectively at this two relative exiting surface of this bi-directional light arrangement for guiding, and lay respectively between this bi-directional light arrangement for guiding and this prismatic lens.
11. the manufacture method of a bi-directional light arrangement for guiding is to realize by following steps:
While ejection formation 2 first plastic formers and one second plastic former, wherein this second plastic former includes a plurality of smooth reflected content things;
With those first plastic formers and the common pressing and forming of this second plastic former is holistic bi-directional light arrangement for guiding, and wherein this second plastic optics layer is jointlessly between those first plastic optics layers.
12. the manufacture method of bi-directional light arrangement for guiding according to claim 11, wherein: is this whole bi-directional light arrangement for guiding by moulding roll extrusion wheels with those first plastic formers and the common pressing and forming of this second plastic former.
13. the manufacture method of bi-directional light arrangement for guiding according to claim 12, wherein: by another moulding roll extrusion wheels to those first plastic optics layers relatively this second plastic optics layer two outer surfaces respectively coining go out a micro structured pattern.
14. the manufacture method of bi-directional light arrangement for guiding according to claim 11, wherein: the material of this light reflected content thing is selected from the group that silver, copper, gold, nickel, aluminium, tin, chromium, titanium, iron and combination thereof are formed.
15. the manufacture method of bi-directional light arrangement for guiding according to claim 11, wherein: this light reflected content thing is to be selected from the combination of talan, talan and barium sulphate or the combination of titania and silicon dioxide.
16. the manufacture method of bi-directional light arrangement for guiding according to claim 11, wherein: the cumulative volume of those light reflected content things account for this second plastic former volume 20%～50%.
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| CN2011101620559A CN102207579A (en) | 2011-06-16 | 2011-06-16 | Two-way optical guiding module, double-face display and production method of two-way optical guiding module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110806615A (en) * | 2014-11-28 | 2020-02-18 | 首尔伟傲世有限公司 | Double-sided light source device using LED |
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