CN209514295U - A kind of optical screen - Google Patents
A kind of optical screen Download PDFInfo
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- CN209514295U CN209514295U CN201822174998.3U CN201822174998U CN209514295U CN 209514295 U CN209514295 U CN 209514295U CN 201822174998 U CN201822174998 U CN 201822174998U CN 209514295 U CN209514295 U CN 209514295U
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Abstract
The utility model belongs to large-size screen monitors field of display technology, in particular to a kind of optical screen.In order to solve the problems, such as that existing optical screen cannot have higher brightness and larger angle of visibility simultaneously, the utility model provides a kind of optical screen.The optical screen is successively by optical lens mirror layer, substrate layer, linear prism layer and reflecting layer composition.Optical screen provided by the utility model is while with higher brightness, it may have large viewing, and thickness is low, flexibility is good, foldable winding.
Description
Technical field
The utility model belongs to large-size screen monitors field of display technology, in particular to a kind of optical screen.
Background technique
The large-size screen monitors of cinema show screen, outdoor large LCD advertisement screen, Conference Room LED dot matrix large scale display screen
Curtain etc., more and more large-size screen monitors display technologies appear in people's lives, and people are receiving visual display content information
Meanwhile also enjoyed large-size screen monitors display technology stimulates shock to feel to organs of vision bring.
Laser television display technology is a kind of novel household/commercialization large-size screen monitors display technology risen both at home and abroad in recent years.By
In its lesser occupied space, saturation color rendition degree true to nature and the advantages of from 80-150 cuns of optional sizes not etc., quilt
It is considered subsequent in terms of family's viewing, most possibly substitutes the one of the experience sense that need to can just enjoy in cinema's viewing at present
The novel large-size screen monitors display technology of kind.
Laser television, which is shown, can be divided mainly into two parts.A part is short focus laser projection system, and the effect of this part is
By a series of processing, finally swash in the effective information that the optical projection mouth of short focus laser projection system projects different angle
Light；Another part is optical screen, and the effect of this part is the different angle that will be projected from short focus laser projection system
Effective information laser is reflected back the visible area of viewer by different angles.
In terms of optical screen, it is primarily present two kinds of screen at present, one is half arc Fresnels to show screen,
It is special as DNP group, Japan and domestic Chengdu Fiss that manufacturer is represented in global range, another kind is black grid curtain, global range
It represents manufacturer inside as Taiwan and annotates.Screen is shown for half arc Fresnel, its advantage is that anti-natural light interference performance is strong, bright
It spends bright, the disadvantage is that its thickness is too thick, visual angle is small, has ghost, in family's use process, is limited by elevator, parlor space, carried
Constant, space occupied is big, and it is not easy to disassemble, storage, replace display position again；Simultaneously because engraving machining dimension is limited,
It is maximum complete at present plastic having a size of 100 cun, can not further satisfaction people to larger sized display demand.For black grid
Curtain, its advantage is that anti-natural light interference performance is strong, visual angle is good, the disadvantage is that brightness is low, anti scuffing is poor, it is not easy to disassemble, storage, again
Replace display position；Simultaneously because its optical reflection prism and prism surface reflecting layer cause directly facing viewer to laser
Displaying contrast for source information is lower, and image quality is caused to be distorted.
Summary of the invention
In order to solve the problems, such as that existing optical screen cannot have higher brightness and larger angle of visibility, the utility model simultaneously
A kind of optical screen is provided.Optical screen provided by the utility model is while with higher brightness, it may have larger visual
Angle.Further, optical screen provided by the utility model solves that existing thickness is too in use there are two types of optical screen
Thickness be not easy carry disassembly, brightness height-visual angle is small, brightness is low-the big disadvantage in visual angle.Optical screen provided by the utility model is four
Layer complex optics screen, the arc Fresnel optical screen designed compared to up to seven layers at present, the utility model are single using one
Layer optical lens design, so that three one functional layers needed for one layer of optical lens substitutes original arc Fresnel optical screen design
It can achieve the effect that, so that screen integral thickness be made to be greatly reduced, achieve the purpose that light, easy carrying, disassembly；This is practical simultaneously
It is novel to use linear gradient prism design, so that the optical screen of the utility model projected short focus laser projection system
The laser of different angle is adequately and reasonably utilized, and allowing the projection laser of more perspective that can be reflected back human eye can recognize region,
Light efficiency utilization rate is improved, so that brightness, angle of visibility (abbreviation visual angle) be allowed to be in arc Fresnel optical screen and black grid curtain two
Between person, to solve the problems, such as that brightness height-visual angle is small, brightness is low-the big two poles end in visual angle.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solutions:
The utility model provides a kind of optical screen, and the optical screen includes optical lens mirror layer, substrate layer, linear rib
Mirror layer and reflecting layer.
Further, the optical screen successively includes optical lens mirror layer, substrate layer, linear prism layer and reflecting layer.
Further, the optical screen is by optical lens mirror layer, substrate layer, linear prism layer and reflecting layer composition.
Further, the optical screen is successively by optical lens mirror layer, substrate layer, linear prism layer and reflecting layer group
At.
The utility model provides a kind of optical screen, and the optical screen is divided into four layers, the optical screen
First layer is optical lens mirror layer, and the second layer of the optical screen is substrate layer, and the third layer of the optical screen is line
Property prism layer, the 4th layer of the optical screen be reflecting layer.
Further, the effect of the optical lens mirror layer has two, one is the specific knot of thickness only 0.01mm rank thickness
The optical lens dot matrix of structure design is capable of providing and is equal to conventional arched fresnel screen and need to be matched using thickness up to 1.5mm glue-line
The light diffusion and covering effect that even light particle is just able to achieve are closed, the second is being capable of providing and being equal to now by formulation ratio adjustment
There is natural light anti-jamming effectiveness of the arc fresnel screen as black grid curtain.To significantly reduce the thickness of screen, make
Screen it is light, it is easy to install, winding, disassembly.
Further, the optical lens mirror layer includes lenticule dot matrix, and the lenticule dot matrix is made of several lenticules.
The lenticule is bulge-structure, and the bottom edge of bulge-structure is regular hexagon.Further, the lenticule is hemispherical, partly
Spherical bottom edge is regular hexagon.
Further, the optical lens mirror layer is that the lenticule dot matrix of aligned transfer forms, and the microlens shape is bottom
Side is the lens array of regular hexagon, the side length of regular hexagon (that is, side length is 5-25 μm), lenticule in the range of 5-25 μm
Height in the range of 2-20 μm, the curvature of lenticule is in the range of 4-25 μm, contiguous microlens in lenticule dot matrix
Spacing is in the range of 0.1-5 μm.
Further, the regular hexagon of the lenticule is in the range of 10-20 μm, highly in 6-16 μm of range
Interior, for the curvature of lenticule in the range of 6-20 μm, the spacing of adjacent lens is in the range of 0.3-3 μm in lenticule dot matrix.
Further, the regular hexagon of the lenticule is in the range of 14-18 μm, highly in 8-12 μm of range
Interior, the curvature of lenticule is in the range of 10-14 μm, range of the spacing of adjacent lens at 0.8-1.5 μm in lenticule dot matrix
It is interior.
Further, the material of the optical lens mirror layer includes UV optic-solidified adhesive and toning auxiliary agent, the toning auxiliary agent
Additive amount accounts for the 3% of UV optic-solidified adhesive additive amount, and the percentage composition is mass percentage.
Further, the moulding material of the optical lens mirror layer is made of UV optic-solidified adhesive and toning auxiliary agent, described
The additive amount of toning auxiliary agent accounts for the 3% of UV optic-solidified adhesive addition quality.The bulk composition of the UV optic-solidified adhesive is hydroxyl third
Olefin(e) acid resin, the toning auxiliary agent are molecular level light transmission black dyes.
Further, the molecular level light transmission black dyes is deployed by different kinds of molecules grade transmission dyes by certain proportion
It forms, the different kinds of molecules grade transmission dyes include green solvent yellow 175, solvent, solvent red EG, at least two in solvent orchid
Combination.
Further, the substrate layer is polyester film (PET).Model of the thickness of the substrate layer at 50-200 μm
In enclosing.
Further, the thickness of the substrate layer is in the range of 75-188 μm.
Further, the thickness of the substrate layer is in the range of 90-125 μm.
Further, the liquid refractivity of the UV optic-solidified adhesive preferably with the difference of the refractive index of selected substrate layer
Absolute value is in 5% range of substrate layer refractive index.
Further, the two sides of the substrate layer needs to carry out corona to substrate surface before its two sides is constructed
Processing is to enhance glue in the adhesion property on its surface.
Further, the effect of the linear prism layer is by the laser of the different angle projected in short focus projection system
Can abundant Optimum utilization to further increase the utilization rate of laser promote the brightness of screen further.
Further, the linear prism layer is made of several prism bars (or prism columns), the prism bar it is transversal
Face is triangle, the corner angle gradual change of several prism bars.Several prism bars are transversely arranged, horizontally, several
The corner angle gradual change of prism bar.That is, the size of the corner angle of adjacent prism bar is gradual change.
Further, UV optic-solidified adhesive used in the linear prism layer and UV photocuring used in optical lens mirror layer
Glue is same money.UV optic-solidified adhesive used in linear prism layer is transparent UV glue, is not included colorant (toner).Described is linear
Prism layer is transversely arranged, corner angle gradual change, the prism layer that cross section is triangle, several in the linear prism layer
The constant interval of the corner angle of prism bar is 30-150 °, and the height of several prism bars in the linear prism layer is in 5-50 μ
Within the scope of m.
The corner angle of several prism bars in the linear prism layer is referred to as the corner angle of linear prism layer.
The height of several prism bars in the linear prism layer is referred to as the height of linear prism layer.
Further, the constant interval of the corner angle of the linear prism layer is 40-140 °, the linear prism
The height of layer is in the range of 10-30 μm.
Further, the constant interval of the corner angle of the linear prism layer is 60-120 °, the linear rib
The height of mirror layer is in the range of 15-25 μm.
Further, the reflecting layer is coated in the surface of the linear prism layer.
Further, the reflecting layer includes adhesive and aluminium silver powder.
During the preparation process, the raw material in the reflecting layer is first configured to reflective coating.The reflective coating includes bi-component
Urethane cures glue and aluminium silver powder, the additive amount of the aluminium silver powder account for the 10- of two component polyurethane solidified glue addition quality
50%.
Further, the reflecting layer is one layer of reflective coating being formed uniformly on linear prism layer microscopic appearance, institute
Reflective coating is stated to be mixed by two component polyurethane solidified glue and aluminium silver powder.
The reflectivity of the aluminium silver powder in the range of 30-90%, the reflecting layer it is high with a thickness of linear prism layer
The half of degree.
Further, the additive amount of the aluminium silver powder accounts for the 15-45% of two component polyurethane solidified glue addition quality, institute
The reflectivity of aluminium silver powder is stated in the range of 60-85%.
Further, the additive amount of the aluminium silver powder accounts for the 25- of two component polyurethane solidified glue addition quality
35%, the reflectivity of the aluminium silver powder is in the range of 70-80%.
The utility model also provides a kind of preparation method of optical screen, the preparation method the following steps are included:
1, in a face forming optical lens layer of substrate layer,
2, linear prism layer is in addition formed on one side in substrate layer,
3, reflecting layer is made on linear prism layer surface.
Further, the forming optical lens layer be by engraving formed concavees lens Metal Contact Rollers on, in conjunction with
The microreplicated technique of UV is molding in the one side of substrate layer.
Further, the linear prism layer is the other one side in substrate layer, in the concave formed by engraving
It is molding in the other one side of substrate in conjunction with UV duplication process on prism layer Metal Contact Rollers.
Further, the production in the reflecting layer, used technique be air gun spraying, silk stick blade coating, silk-screen printing,
One of magnetron sputtering, vacuum evaporation.
Optical screen provided by the utility model is by optical lens mirror layer, substrate layer, linear prism layer, four part group of reflecting layer
At since optical lens mirror layer uses the lens dot matrix of specific structure design, so that using the optical lens of 0.01mm rank thickness
Structure design, cooperation special formulation design, reach tradition need to the diffusion of light that 1.5mm cooperates even light particle to be just able to achieve, covering,
Anti- natural light interference effect, greatly reduces the thickness of screen so that the use of screen, maintenance it is more convenient.This is practical new
The linear prism design that type provides, can be oriented angle to the laser for the different angle that short focus laser projection system projects
Reflection promotes screen overall brightness further to greatly promote the utilization rate of projection laser, simultaneously because linear prism
Structure design, optical screen provided by the utility model have excellent angle of visibility.
Compared to the process of conventional screen, the preparation method of optical screen provided by the utility model, optical lens
Production and the production of linear prism be all made of roll-to-roll processing technology, compare and need to paste optics among traditional optical screen
OCA layers, sheet material process is cut into, processing technology provided by the utility model can greatly promote production efficiency, integral manufacturing step
Three steps are reduced to by five traditional steps, to greatly promote production capacity and reduce production cost.
Optical screen provided by the utility model is while with higher brightness, it may have large viewing, and thickness is low,
Flexibility is good, foldable winding.The preparation method technique of optical screen provided by the utility model simplifies, and is convenient for volume production.
Detailed description of the invention
Fig. 1 is the sectional view of optical screen provided by the utility model；
Fig. 2 is the plan view of the optical lens mirror layer of optical screen provided by the utility model；
Fig. 3 is the 3D shape appearance figure of the optical lens mirror layer of optical screen provided by the utility model.
Specific embodiment
It, hereafter will be originally practical new for the functional character and advantage that is more readily understood the structure of the utility model and can reach
The preferred embodiment of type, and schema is cooperated to elaborate.
The characteristic of optical screen provided by the utility model is detected as follows:
(1), it is measured using thickness of the Mitutoyo digital display micrometer to optical screen,
(2), luminance meter is held using CA-S40 to be measured the luminance gain of optical screen,
(3), it is measured using angle of visibility of the CS-2000 luminance instrument to optical screen,
(4), it is assessed using folding winding property of the manual winding mode to optical screen.
As shown in Figure 1, optical screen provided by the utility model successively includes optical lens mirror layer 1, substrate layer 2, linear rib
Mirror layer 3, reflecting layer 4.
As shown in Figures 2 and 3, the optical lens mirror layer of optical screen provided by the utility model includes the saturating of regular hexagon
Mirror, the side length of regular hexagon are 5 μm.
Embodiment 1-7 provides the optical screen of the utility model, and the optical screen is successively by optical lens mirror layer, substrate
Layer, linear prism layer and reflecting layer composition.
The optical lens mirror layer includes lenticule dot matrix, and the lenticule dot matrix is made of several lenticules.It is described micro-
Mirror is bulge-structure, and the bottom edge of bulge-structure is regular hexagon.
The material of the optical lens mirror layer includes UV optic-solidified adhesive and toning auxiliary agent, and the additive amount of the toning auxiliary agent accounts for UV
The 3% of optic-solidified adhesive additive amount, the percentage composition are mass percentage.The toning auxiliary agent is molecular level light transmission black
Dyestuff.The molecular level light transmission black dyes is deployed by different kinds of molecules grade transmission dyes by certain proportion, described
Different kinds of molecules grade transmission dyes include green solvent yellow 175, solvent, solvent red EG, at least two combination in solvent orchid.
The linear prism layer is made of several prism bars (or prism columns), and the cross section of the prism bar is triangle
Shape, the corner angle gradual change of several prism bars.Several prism bars are transversely arranged, horizontally, several prism bars
Corner angle gradual change.That is, the size of the corner angle of adjacent prism bar is gradual change.
The reflecting layer is coated in the surface of the linear prism layer.
The reflecting layer includes adhesive and aluminium silver powder.During the preparation process, the raw material in the reflecting layer is first configured to instead
Coating is penetrated, the reflective coating includes two component polyurethane solidified glue and aluminium silver powder, and the additive amount of the aluminium silver powder accounts for double groups
Divide the 10-50% of urethane cures glue addition quality.
The technical data for the optical screen that 1 embodiment 1-7 of table is provided
The main performance testing result for the optical screen that 2 embodiment 1-7 of table is provided
| Total thickness | Luminance gain | Angle of visibility | Fold winding property |
| 65um | 0.58 | 96° | Foldable winding |
| 285um | 0.71 | 90° | Foldable winding |
| 95um | 0.65 | 93° | Foldable winding |
| 242um | 0.69 | 101° | Foldable winding |
| 116um | 0.78 | 98° | Foldable winding |
| 168um | 0.82 | 100° | Foldable winding |
| 133um | 0.8 | 105° | Foldable winding |
The technical data and main performance testing result for the optical screen that 3 comparative example 1-2 of table is provided
| Comparative example | Producer | Model | Overall thickness | Luminance gain | Angle of visibility | Fold winding property |
| Comparative example 1 | DNP | supernova | 1600um | 1.0 | 30° | Not foldable winding |
| Comparative example 2 | FST | Ultrashort burnt positive throwing optical panel 100 | 720um | 0.8 | 85° | Not foldable winding |
By table 2 above and the detection data of table 3, it can be concluded that, optical screen provided by the utility model is with relatively highlighted
While spending, it may have larger angle of visibility, and thickness is low, flexibility is good, foldable winding.Wherein, the light that embodiment 3-7 is provided
The comprehensive performance for learning screen is superior.Moreover, the luminance gain for the optical screen that embodiment 5-7 is provided is greater than or equal to 0.78, it can
Visual angle is greater than or equal to 98 °, and comprehensive performance is more superior.
The above, the only preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range.All equivalent changes and modifications done according to the content of the present invention, are encompassed by the scope of the patents of the utility model
It is interior.
Claims (10)
1. a kind of optical screen, which is characterized in that the optical screen successively includes optical lens mirror layer, substrate layer, linear rib
Mirror layer and reflecting layer；The optical lens mirror layer includes lenticule dot matrix.
2. optical screen according to claim 1, which is characterized in that the optical screen successively by optical lens mirror layer,
Substrate layer, linear prism layer and reflecting layer composition.
3. optical screen according to claim 1, which is characterized in that the lenticule dot matrix is made of several lenticules.
4. optical screen according to claim 3, which is characterized in that the lenticule is bulge-structure.
5. optical screen according to claim 4, which is characterized in that the bottom edge of the bulge-structure is regular hexagon.
6. optical screen according to claim 5, which is characterized in that the side length of the regular hexagon is 5-25 μm, micro-
The height of mirror is 2-20 μm, and the curvature of lenticule is 4-25 μm, and the spacing of contiguous microlens is 0.1-5 μm in lenticule dot matrix.
7. optical screen according to claim 1, which is characterized in that the linear prism layer is made of several prism bars,
The cross section of the prism bar is triangle, the corner angle gradual change of several prism bars.
8. optical screen according to claim 7, which is characterized in that several prism bars are transversely arranged, horizontally,
The corner angle gradual change of several prism bars.
9. optical screen according to claim 8, which is characterized in that several prism bars in the linear prism layer
The constant interval of corner angle is 40-140 °, and the height of several prism bars in the linear prism layer is 10-30 μm.
10. optical screen according to claim 1, which is characterized in that the reflecting layer is coated in the linear prism layer
Surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822174998.3U CN209514295U (en) | 2018-12-24 | 2018-12-24 | A kind of optical screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822174998.3U CN209514295U (en) | 2018-12-24 | 2018-12-24 | A kind of optical screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209514295U true CN209514295U (en) | 2019-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822174998.3U Active CN209514295U (en) | 2018-12-24 | 2018-12-24 | A kind of optical screen |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634046A (en) * | 2018-12-24 | 2019-04-16 | 宁波激智科技股份有限公司 | A kind of optical screen and preparation method thereof |
| CN111624844A (en) * | 2020-07-28 | 2020-09-04 | 成都菲斯特科技有限公司 | Optical projection screen and projection system |
-
2018
- 2018-12-24 CN CN201822174998.3U patent/CN209514295U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634046A (en) * | 2018-12-24 | 2019-04-16 | 宁波激智科技股份有限公司 | A kind of optical screen and preparation method thereof |
| CN109634046B (en) * | 2018-12-24 | 2024-03-19 | 宁波激智科技股份有限公司 | Optical screen and preparation method thereof |
| CN111624844A (en) * | 2020-07-28 | 2020-09-04 | 成都菲斯特科技有限公司 | Optical projection screen and projection system |
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