CN103885173A - Light switching module - Google Patents
Light switching module Download PDFInfo
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- CN103885173A CN103885173A CN201410091467.1A CN201410091467A CN103885173A CN 103885173 A CN103885173 A CN 103885173A CN 201410091467 A CN201410091467 A CN 201410091467A CN 103885173 A CN103885173 A CN 103885173A
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Abstract
The invention provides a light switching module which comprises a first refraction element, a second refraction element and a displacement mechanism connected to the first refraction element or the second refraction element. The first refraction element and the second refraction element are respectively provided with a substrate, a double-refraction layer and a micro-lens structure arranged between the substrate and the double-refraction layer. A patterning direction matching micro-structure is arranged on each micro-lens structure so as to enable each double-refraction layer to have different optical axis areas. Consequently, the displacement mechanism is used for changing the relative position of the first refraction element and the second refraction element so as to control incoming light to penetrate or refract, and the light switching module is switched to be in a transparent state or a non-transparent state. According to the light switching module, the first element and the second element are used for realizing switching between the transparent state and the gaze state, so that the technical problems that an existing light switching module is not even in liquid crystal scattering and needs extra power energy consumption are solved.
Description
Technical field
The present invention is switched module about a kind of light, and relates to especially one and utilize anaclasis principle designed, and the light that the light that can make to pass through switches to the mist state of the clear state that penetrates or scattering switches module.
Background technology
Along with the development of intelligent glass, window, therefore the application of various smooth regulating devices or light shifter increases.The intelligent window of the automatically controlled liquid crystal type of tradition, its know-why is to accompany polymer dispersion type liquid crystal between two sheet glass, recycling extra electric field control liquid crystal, make the orientation of liquid crystal orderly or unordered, and the state of modulation light penetration, so-called polymer dispersion type liquid crystal is for to be dispersed in liquid crystal drop in polymer base material, and needs continued power to maintain polymer dispersion type liquid crystal forward to arrange, penetrate state to obtain.But this kind of intelligent window easily has the uneven problem of dispersed liquid crystal, and continued power also additionally causes the consumption of the energy.
Summary of the invention
Because the problem of above-mentioned known techniques the object of the present invention is to provide a kind of light to switch module, uneven and need the technical matters of extra energy resource consumption etc. to overcoming dispersed liquid crystal in prior art.
For achieving the above object, the invention provides a kind of light and switch module, it is characterized in that this light switches module and comprises: first refractive element, it comprises: the first base material, there is first refractive rate, this first substrate surface has a plurality of the first microlens structures; The first birefringent layers, is arranged on these a plurality of first microlens structures of this first base material; And the first patterning alignment microstructure, be arranged between this first birefringent layers and this plurality of the first microlens structures, make this first birefringent layers form the second optical axis region that there is the primary optic axis region of primary optic axis and there is the second optical axis, and this primary optic axis region has abnormal optical index in direction and this second optical axis region of parallel this primary optic axis in the direction of parallel this second optical axis, this primary optic axis region has ordinary refraction index in direction and this second optical axis region of vertical this primary optic axis in the direction of vertical this second optical axis; Wherein, this primary optic axis region and this second optical axis region are for being staggered, and this primary optic axis is mutually vertical with this second optical axis; The second refracting element, this second refracting element is adjacent to a side of this first refractive element, and it comprises: the second base material, contiguous this first base material setting, and there is the second refractive index, its surface has a plurality of the second microlens structures; The second birefringent layers, is arranged on a plurality of second microlens structures of this second base material; And the second patterning alignment microstructure, be arranged between this second birefringent layers and this plurality of the second microlens structures, make this second birefringent layers form the 4th optical axis region that there is the 3rd optical axis region of the 3rd optical axis and there is the 4th optical axis, and the 3rd optical axis region has abnormal optical index in direction and the 4th optical axis region of parallel the 3rd optical axis in the direction of parallel the 4th optical axis, the 3rd optical axis region has ordinary refraction index in direction and the 4th optical axis region of vertical the 3rd optical axis in the direction of vertical the 4th optical axis; Wherein, the 3rd optical axis region and the 4th optical axis region are for being staggered, and the 3rd optical axis is mutually vertical with the 4th optical axis; And displacement mechanism, be linked to this first refractive element and this second refracting element at least one of them, to regulate and control the relative position of this first refractive element and this second refracting element; Wherein, this first refractive rate of this first base material is identical with the abnormal optical index of this first birefringent layers or the one of ordinary refraction index, and the second refractive index of this second base material is identical with the one of the abnormal optical index of this second birefringent layers or ordinary refraction index; And one of this primary optic axis of this first birefringent layers, this second optical axis with one of the 3rd optical axis that should the second birefringent layers, the 4th optical axis are parallel to each other.
As further alternative technical scheme, a plurality of first microlens structures of this first refractive element are identical with the lens curvature of a plurality of second microlens structures of corresponding this second refracting element.
As further alternative technical scheme, these a plurality of first microlens structures and this plurality of the second microlens structures are concavees lens or convex lens.
As further alternative technical scheme, these a plurality of first microlens structures and this plurality of the second microlens structures are continuous or discrete one dimension or two-dimensional arrangements.
As further alternative technical scheme, this primary optic axis region of this first birefringent layers, this second optical axis region are all identical with the 3rd optical axis region, the 4th optical axis region area of this second birefringent layers.
As further alternative technical scheme, when parallel and this second optical axis in this second optical axis region of the 3rd optical axis in this primary optic axis in this primary optic axis region and corresponding the 3rd optical axis region and the 4th optical axis in corresponding the 4th optical axis region are also parallel, this light switches module and has clear state; And when this primary optic axis in this primary optic axis region and the 4th optical axis in corresponding the 4th optical axis region is vertical and this second optical axis in this second optical axis region with when also vertical to the 3rd optical axis that should the 3rd optical axis region, this light switches module and has opaque mist state.
As further alternative technical scheme, the spacing range of adjacent two these the first microlens structures is 0 μ m to 1000 μ m, and the spacing range of adjacent two these the second microlens structures is 0 μ m to 1000 μ m.
As further alternative technical scheme, the width range of each the first microlens structure is 10 μ m to 1000 μ m, and the width range of each the second microlens structure is 10 μ m to 1000 μ m.
As further alternative technical scheme, the altitude range of each the first microlens structure is 10 μ m to 1000 μ m, and the altitude range of each the second microlens structure is 10 μ m to 1000 μ m.
As further alternative technical scheme, this first birefringent layers and this second birefringent layers comprise liquid crystal, birefringece crystal or birefringence resin material.
Compared with prior art, light of the present invention switches module no longer needs to use polymer dispersion type liquid crystal, but utilize first and second refracting element to realize the switching of clear state and mist state, solve the intelligent light of existing electrically-controlled liquid crystal and switched the dispersed liquid crystal inequality of module and the technical matters that needs additional energy source to consume.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that light of the present invention switches module one embodiment.
Fig. 2 a to Fig. 2 b is another embodiment that light of the present invention the switches module principle schematic while switching clear state and opaque mist state.
Fig. 3 is the first refractive element of another embodiment and the side view of the second refracting element that light of the present invention switches module.
Embodiment
For the effect that can more understand inventive features of the present invention, content and advantage and can reach, hereby the present invention is coordinated to accompanying drawing, and be described in detail as follows with the expression-form of embodiment, and the accompanying drawing that wherein used, its purport is only the use of signal and aid illustration book, may not be true ratio after the invention process and precisely configuration, thus should be with regard to the ratio of accompanying drawing with configuration relation deciphering, limit the invention to the interest field in actual enforcement, close first chat bright.
Hereinafter with reference to relevant drawings, the embodiment that switches module according to light of the present invention is described, for making to be convenient to understand, the similar elements in following embodiment illustrates with identical symbology.
Please refer to shown in Fig. 1, it is the side view of the light switching module 1 of a better enforcement aspect of the present invention, and light switches module 1 and comprises first refractive element 2, the second refracting element 5 and displacement mechanism 8.First refractive element 2 comprises the first base material 3, the first birefringent layers 4 and the first patterning alignment microstructure 3b, and the first base material 3 has first refractive rate, and its surface has a plurality of the first microlens structure 3a, the first birefringent layers 4 is arranged on a plurality of first microlens structure 3a of the first base material 3, the first patterning alignment microstructure 3b is arranged between the first birefringent layers 4 and a plurality of the first microlens structure 3a, make the first birefringent layers 4 form the primary optic axis region 4a with primary optic axis 4c, and there is the second optical axis region 4b of the second optical axis 4d, and this primary optic axis region 4a has abnormal optical index in direction and this second optical axis region 4b of parallel this primary optic axis 4c in the direction of parallel this second optical axis 4d, this primary optic axis region 4a has ordinary refraction index in direction and this second optical axis region 4b of vertical this primary optic axis 4a in the direction of vertical this second optical axis 4d, wherein, primary optic axis region 4a and the second optical axis region 4b are for being staggered, and primary optic axis 4c is mutually vertical with the second optical axis 4d.The second refracting element 5 is adjacent to a side of first refractive element 2, it comprises the second base material 6, the second birefringent layers 7 and the second patterning alignment microstructure 6b, contiguous the first base material 3 of the second base material 6 arranges, and has the second refractive index, and its surface has a plurality of the second microlens structure 6a, the second birefringent layers 7 is arranged on a plurality of second microlens structure 6a of the second base material 6, the second patterning alignment microstructure 6b is arranged between the second birefringent layers 7 and a plurality of the second microlens structure 6a, make the second birefringent layers 7 form the 4th optical axis region 7b that there is the 3rd optical axis region 7a of the 3rd optical axis 7c and there is the 4th optical axis 7d, and the 3rd optical axis region 7a has abnormal optical index in direction and the 4th optical axis region 7b of parallel the 3rd optical axis 7c in the direction of parallel the 4th optical axis 7d, the 3rd optical axis region 7a has ordinary refraction index in direction and the 4th optical axis region 7b of vertical the 3rd optical axis 7c in the direction of vertical the 4th optical axis 7d, wherein, the 3rd optical axis region 7a and the 4th optical axis region 7b are for being staggered, and the 3rd optical axis 7c is mutually vertical with the 4th optical axis 7d.Displacement mechanism 8 is linked at least one of them (illustrating to be linked to first refractive element 2 at this) of first refractive element 2 and the second refracting element 5, with the relative position of regulation and control first refractive element 2 and the second refracting element 5, make the primary optic axis region 4a of the first birefringent layers 4, the 3rd optical axis region 7a of the second optical axis region 4b and the second birefringent layers 7, the 4th optical axis region corresponding optical axis of 7b is changeable for being mutually all parallel or being all vertical, be that displacement mechanism 8 can make the primary optic axis 4c of primary optic axis region 4a and the 3rd optical axis 7c of corresponding the 3rd optical axis region 7a is parallel to each other and the second optical axis 4d of the second optical axis region 4b and the 4th optical axis 7d of corresponding the 4th optical axis region 7b are parallel to each other, or the second optical axis 4d vertical and the second optical axis region 4b is mutually vertical with the 3rd optical axis 7c of corresponding the 3rd optical axis region 7a mutually to make the primary optic axis 4c of primary optic axis region 4a and the 4th optical axis 7d of corresponding the 4th optical axis region 7b, wherein, the first refractive rate of the first base material 3 is identical with the abnormal optical index of the first birefringent layers 4 or the one of ordinary refraction index, and the second refractive index of the second base material 6 is identical with the abnormal optical index of the second birefringent layers 7 or the one of ordinary refraction index, and one of the primary optic axis 4c of the first birefringent layers 4, second optical axis 4d with one of the 3rd optical axis 7c, the 4th optical axis 7d of corresponding the second birefringent layers 7 be parallel to each other.
Switch in module at the light of an embodiment, a plurality of first microlens structures of first refractive element are identical with the absolute value of the lens radius of curvature of a plurality of second microlens structures of corresponding the second refracting element, therefore, a plurality of the first lenticules can be with a plurality of the second lenticular structures concavees lens or the convex lens that surface curvature is identical.
Light at another embodiment switches in module, and a plurality of the first microlens structures and a plurality of the second microlens structure are continuous or discrete one dimension or two-dimensional arrangements.
Light at another embodiment switches in module, and primary optic axis region, the second optical axis region of the first birefringent layers are all identical with the 3rd optical axis region, the 4th optical axis region area of the second birefringent layers.
Please refer to Fig. 2 a and Fig. 2 b, principle schematic when its another embodiment for light switching module of the present invention switches clear state and opaque mist state, as shown in Figure 2 a, by the first patterning alignment microstructure (not illustrating), can make the first birefringent layers 41 there is primary optic axis region 41a and the second optical axis region 41b, and by the second patterning alignment microstructure (not illustrating), can make the second birefringent layers 71 there is the 3rd optical axis region 71a and the 4th optical axis region 71b, because incident light can be considered the light with two kinds of durection component combinations, at this respectively with the incident light component 10a of the primary optic axis 41c of the primary optic axis region 41a of vertical the first birefringent layers 41, the incident light component 10b of the primary optic axis 41c of the primary optic axis region 41a of parallel the first birefringent layers 41, and the incident light component 11a of the second optical axis 41d of the second optical axis region 41b of vertical the first birefringent layers 41, the incident light component 11b signal of the second optical axis 41d of the second optical axis region 41b of parallel the first birefringent layers 41, when the first refractive rate of the first base material 31 identical with the ordinary refraction index of the first birefringent layers 41, in the second refractive index of the second base material 61 situation identical with the ordinary refraction index of the second birefringent layers 71, and make the primary optic axis 41c of primary optic axis region 41a and the 3rd optical axis 71c of corresponding the 3rd optical axis region 71a is parallel and the 4th optical axis 71d of the second optical axis 41d of the second optical axis region 41b and corresponding the 4th optical axis region 71b when parallel with displacement mechanism (not illustrating) adjustment, incident light component 10a, the refractive index that 11a experiences for the first birefringent layers 41 and the second birefringent layers 71 is all ordinary refraction index, therefore incident light component 10a, 11a is in the time switching module through light, be equal in identical index medium and transmit, can not reflect in the interface of different layers, and can directly pass through, and incident light component 10b, the refractive index that 11b experiences for the first birefringent layers 41 and the second birefringent layers 71 is all abnormal optical index, but incident light component 10b, 11b is in the time switching module through light, because the first microlens structure 31a is identical with the second microlens structure 61a curvature, after superrefraction, still capable of regulating direction is former incident direction of light, make light switch module and there is clear state.
As shown in Figure 2 b, by the first patterning alignment microstructure (not illustrating), can make the first birefringent layers 42 there is primary optic axis region 42a and the second optical axis region 42b, and the second patterning alignment microstructure (not illustrating), can make the second birefringent layers 72 there is the 3rd optical axis region 72a and the 4th optical axis region 72b, incident light still can be considered the light with two kinds of durection component combinations, incident light component 20a at this with the primary optic axis 42c of the primary optic axis region 42a of vertical the first birefringent layers 42, the incident light component 20b of the primary optic axis 42c of the primary optic axis region 42a of parallel the first birefringent layers 42, and the incident light component 21a of the second optical axis 42d of the second optical axis region 42b of vertical the first birefringent layers 42, the incident light component 21b signal of the second optical axis 42d of the second optical axis region 42b of parallel the first birefringent layers 42, when the first refractive rate of the first base material 32 identical with the ordinary refraction index of the first birefringent layers 42, under the ordinary refraction index same case of the second refractive index of the second base material 62 and the second birefringent layers 72, and the primary optic axis 42c that makes primary optic axis region 42a with displacement mechanism (not illustrating) adjustment with the 3rd optical axis 72c of the second optical axis 42d and corresponding the 3rd optical axis region 72a of vertical and the second optical axis region 42b of the 4th optical axis 72d of corresponding the 4th optical axis region 72b when vertical, incident light component 20a, the refractive index that 21a experiences for the first birefringent layers 42 is ordinary refraction index, the refractive index that the second birefringent layers 72 is experienced is abnormal optical index, therefore incident light component 20a, 21a is in the time switching module through light, can reflect in the different refractivity interface of the second base material 62 and the second birefringent layers 72, and be offset former incident direction, and incident light component 20b, the refractive index that 21b experiences for the first birefringent layers 42 is abnormal optical index, the refractive index that the second birefringent layers 72 is experienced is ordinary refraction index, therefore incident light component 20a, 21a is in the time switching module through light, also reflect in the different refractivity interface of the first base material 32 and the first birefringent layers 42, and be offset former incident direction, make light switch module and there is opaque mist state.
Please refer to Fig. 3, switch in module at the light of another embodiment, interval S 1 scope between adjacent two the first microlens structure 33a between the first base material 33 and the first birefringent layers 43 is 0 μ m to 1000 μ m, width W 1 scope of each the first microlens structure 33a is 10 μ m to 1000 μ m, and height H 1 scope of each the first microlens structure 33a is 10 μ m to 1000 μ m; Interval S 2 scopes between adjacent two the second microlens structure 63a between the second base material 63 and the second birefringent layers 73 are 0 μ m to 1000 μ m, width W 2 scopes of each the second microlens structure 63a are 10 μ m to 1000 μ m, and height H 2 scopes of each the second microlens structure 63a are 10 μ m to 1000 μ m.
Light at another embodiment switches in module, and the first birefringent layers and the second birefringent layers comprise liquid crystal, birefringece crystal or birefringence resin material.
Compared with prior art, light of the present invention switches module no longer needs to use polymer dispersion type liquid crystal, but utilize first and second refracting element to realize the switching of clear state and mist state, solve the intelligent light of existing electrically-controlled liquid crystal and switched the dispersed liquid crystal inequality of module and the technical matters that needs additional energy source to consume.
Above-described embodiment is only explanation technological thought of the present invention and feature, its object makes those skilled in the art can understand content of the present invention and implement according to this, when can not with restriction the scope of the claims of the present invention, the equalization of generally doing according to disclosed spirit changes or modifies, and must be encompassed in the scope of the claims of the present invention.
Claims (10)
1. light switches a module, it is characterized in that this light switches module and comprises:
First refractive element, it comprises:
The first base material, has first refractive rate, and this first substrate surface has a plurality of the first microlens structures;
The first birefringent layers, is arranged on these a plurality of first microlens structures of this first base material; And
The first patterning alignment microstructure, be arranged between this first birefringent layers and this plurality of the first microlens structures, make this first birefringent layers form the second optical axis region that there is the primary optic axis region of primary optic axis and there is the second optical axis, and this primary optic axis region has abnormal optical index in direction and this second optical axis region of parallel this primary optic axis in the direction of parallel this second optical axis, this primary optic axis region has ordinary refraction index in direction and this second optical axis region of vertical this primary optic axis in the direction of vertical this second optical axis;
Wherein, this primary optic axis region and this second optical axis region are for being staggered, and this primary optic axis is mutually vertical with this second optical axis;
The second refracting element, this second refracting element is adjacent to a side of this first refractive element, and it comprises:
The second base material, contiguous this first base material setting, and there is the second refractive index, its surface has a plurality of the second microlens structures;
The second birefringent layers, is arranged on a plurality of second microlens structures of this second base material; And
The second patterning alignment microstructure, be arranged between this second birefringent layers and this plurality of the second microlens structures, make this second birefringent layers form the 4th optical axis region that there is the 3rd optical axis region of the 3rd optical axis and there is the 4th optical axis, and the 3rd optical axis region has abnormal optical index in direction and the 4th optical axis region of parallel the 3rd optical axis in the direction of parallel the 4th optical axis, the 3rd optical axis region has ordinary refraction index in direction and the 4th optical axis region of vertical the 3rd optical axis in the direction of vertical the 4th optical axis;
Wherein, the 3rd optical axis region and the 4th optical axis region are for being staggered, and the 3rd optical axis is mutually vertical with the 4th optical axis; And
Displacement mechanism, be linked to this first refractive element and this second refracting element at least one of them, to regulate and control the relative position of this first refractive element and this second refracting element;
Wherein, this first refractive rate of this first base material is identical with the abnormal optical index of this first birefringent layers or the one of ordinary refraction index, and the second refractive index of this second base material is identical with the one of the abnormal optical index of this second birefringent layers or ordinary refraction index; And one of this primary optic axis of this first birefringent layers, this second optical axis with one of the 3rd optical axis that should the second birefringent layers, the 4th optical axis are parallel to each other.
2. light as claimed in claim 1 switches module, it is characterized in that a plurality of first microlens structures of this first refractive element are identical with the lens curvature of a plurality of second microlens structures of corresponding this second refracting element.
3. light as claimed in claim 2 switches module, it is characterized in that these a plurality of first microlens structures and this plurality of the second microlens structures are concavees lens or convex lens.
4. light as claimed in claim 1 switches module, it is characterized in that these a plurality of first microlens structures and this plurality of the second microlens structures are continuous or discrete one dimension or two-dimensional arrangements.
5. light as claimed in claim 1 switches module, it is characterized in that this primary optic axis region of this first birefringent layers, this second optical axis region are all identical with the 3rd optical axis region, the 4th optical axis region area of this second birefringent layers.
6. light as claimed in claim 1 switches module, when it is characterized in that this primary optic axis in this primary optic axis region and the 3rd optical axis in corresponding the 3rd optical axis region is parallel and this second optical axis in this second optical axis region and the 4th optical axis in corresponding the 4th optical axis region being also parallel, this light switches module and has clear state; And when this primary optic axis in this primary optic axis region and the 4th optical axis in corresponding the 4th optical axis region is vertical and this second optical axis in this second optical axis region with when also vertical to the 3rd optical axis that should the 3rd optical axis region, this light switches module and has opaque mist state.
7. light as claimed in claim 1 switches module, and the spacing range that it is characterized in that adjacent two the first microlens structures is 0 μ m to 1000 μ m, and the spacing range of adjacent two the second microlens structures is 0 μ m to 1000 μ m.
8. light as claimed in claim 1 switches module, and the width range that it is characterized in that each the first microlens structure is 10 μ m to 1000 μ m, and the width range of each the second microlens structure is 10 μ m to 1000 μ m.
9. light as claimed in claim 1 switches module, and the altitude range that it is characterized in that each the first microlens structure is 10 μ m to 1000 μ m, and the altitude range of each the second microlens structure is 10 μ m to 1000 μ m.
10. light as claimed in claim 1 switches module, it is characterized in that this first birefringent layers and this second birefringent layers comprise liquid crystal, birefringece crystal or birefringence resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410091467.1A CN103885173B (en) | 2014-03-13 | 2014-03-13 | Light switching module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410091467.1A CN103885173B (en) | 2014-03-13 | 2014-03-13 | Light switching module |
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| CN103885173A true CN103885173A (en) | 2014-06-25 |
| CN103885173B CN103885173B (en) | 2016-07-13 |
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| CN201410091467.1A Active CN103885173B (en) | 2014-03-13 | 2014-03-13 | Light switching module |
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| CN108761618A (en) * | 2018-05-23 | 2018-11-06 | 京东方科技集团股份有限公司 | Optical diaphragm and production method, windshield, steer |
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| WO2019223375A1 (en) * | 2018-05-23 | 2019-11-28 | 京东方科技集团股份有限公司 | Optical film and manufacturing method, and windshield and driving device |
| CN108761618B (en) * | 2018-05-23 | 2020-05-19 | 京东方科技集团股份有限公司 | Optical diaphragm, manufacturing method, windshield and driving equipment |
| US11360254B2 (en) | 2018-05-23 | 2022-06-14 | Boe Technology Group Co., Ltd. | Optical film, fabrication method thereof, windshield and driving apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103885173B (en) | 2016-07-13 |
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