CN101196586A - Combined concentration piece with diffusion particle - Google Patents
Combined concentration piece with diffusion particle Download PDFInfo
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- CN101196586A CN101196586A CNA2006101618257A CN200610161825A CN101196586A CN 101196586 A CN101196586 A CN 101196586A CN A2006101618257 A CNA2006101618257 A CN A2006101618257A CN 200610161825 A CN200610161825 A CN 200610161825A CN 101196586 A CN101196586 A CN 101196586A
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Abstract
A compound condenser with diffusion particles is provided, which comprises a substrate and a plurality of diffusion particles. The substrate is provided with a first surface and a second surface. The bend prism units are arranged on the first surface of the substrate and the diffusion particles are mixed into the bend prism units at least, which can make the ray through the second surface generate diffusion at the same time. The bend prism units have at least one bend extension curved surface to form a appropriate surface curvature change and lead the ray to generate refraction above two-dimension, and then reflect the bend prism units.
Description
Technical field
The present invention relates to a kind of combined concentration piece with diffusion particle, a kind of concentration piece that is applied to LCD (Liquid Crystal Display) of special design, surface thereof forms several bending prism unit, blending has several diffusion particles, so that the combined concentration piece of diffusion and optically focused double effects to be provided.
Background technology
Existing concentration piece please refer to shown in Fig. 1,2, and it discloses a concentration piece 9 and comprises a substrate 91 and several prism elements 92, and this prism elements 92 is parallel on the first surface of this substrate 91.This prism elements 92 is made up of two dip plane, and it is in order to refracted ray, so that produce the optically focused phenomenon.For example, when a second surface of a light 93 relative these substrates 91 is injected this substrate 91 with a bigger incident angle (that is this light 93 is not orthogonal to the second surface of this substrate 91), this light 93 can reflect the prism elements 92 of the first surface that penetrates this substrate 91 smoothly.Yet, when a second surface of a light 94 relative these substrates 91 with a less incident angle (less than 6 ° to 9 °) when injecting this substrate 91 (that is this light 94 is perpendicular to second surface of this substrate 91), 94 of this light can't reflect and penetrate this prism elements 92, penetrate the second surface of this substrate 91 on the contrary because of total reflection once more, cause and reduce once penetrating efficient and increasing the light coefficient of losses of this light 94.
Another existing diffusion sheet, " optical thin film of back light unit and use the back light unit (OPTICAL FILM FORBACKLIGHT UNIT AND BACKLIGHT UNIT USING THE SAME) of this optical thin film " patent of invention that please refer to the PCT patent No. 2005/006030, it comprises a substrate, a reflection graphic patterns and several diffusion particles, one surface of this substrate has this reflection graphic patterns, in order to refracted ray, so that produce the optically focused phenomenon.This diffusion particle intersperses among each position in this reflection graphic patterns and the substrate, for making light form diffusion effect.
Another existing diffusion sheet, " light diffusing sheet (LIGHT DIFFUSING the FILM) " patent of invention that please refer to Japanese kokai publication hei 09-304607 number, it comprises a substrate and a light diffusion layer, and a surface of this substrate has this light diffusion layer, in order to refracted ray, so that produce the optically focused phenomenon.This light diffusion layer is made up of a transparent resin and several particulates, and this particulate intersperses among in this transparent resin, and the surface of this light diffusion layer forms a fine uneven surface, for making light form diffusion effect.
Another existing diffusion sheet, please refer to the U.S. and announce the 6th, 417, No. 831 " optical sheet, back lighting device and liquid crystal indicator (the DIFFUSED LIGHTCONTROLLING OPTICAL SHEET of control light diffusion, BACK LIGHT DEVICE ANDLIQUID CRYSTAL DISPLAY APPARATUS) " patent of invention, it also comprises a substrate, several protuberances and several fine material, and a surface of this substrate has this protuberance, in order to refracted ray, so that produce the optically focused phenomenon.Be scattered with this fine material in this protuberance in addition, and the surface of this protuberance is a rough surface, for making light form diffusion effect.
Another existing diffusion sheet, please refer to the U.S. and disclose " light diffusing sheet of down straight aphototropism mode set and manufacture method thereof (Optical diffusion plate applied fordirect-type backlight module and manufacturing method thereof) " patent of invention No. 2005/0257363, it also comprises a substrate, a broached-tooth design layer and an optics diffusant, one surface of this substrate has this broached-tooth design layer, in order to refracted ray, so that produce the optically focused phenomenon.Be doped with this optics diffusant in this substrate and the broached-tooth design layer in addition simultaneously, for making light form diffusion effect.
Another existing concentration piece, please refer to TaiWan, China and announce " concentration piece and adopt the module backlight of this concentration piece " novel patent M277950 number, it also comprises a substrate, several stripe prisms and several scattering particles, one surface of this substrate has this stripe prisms, in order to refracted ray, so that produce the optically focused phenomenon.This scattering particle is doped in this substrate, for making light form diffusion effect.
The above-mentioned existing concentration piece diffusion particle that all mixes in substrate and/or refractive pattern layer, but the birefringence patterned layer does not improve, its refractive pattern are not had a warp architecture.
In U.S. of the previous application of applicant discloses No. 2005/0237641 " concentration piece of tool bending prism unit (Brightness enhancement film having curved prism units) " patent of invention, it comprises a substrate and several bending prism unit, one surface of this substrate has this bending prism unit, at least one crooked curved surface that extends of this each tool of bending prism unit, it has curved transition in order to refracted ray, so that produce two-dimentional optically focused phenomenon, its above-mentioned relatively other existing concentration pieces, improve the refractive pattern layer, had preferable refraction spotlight effect.
Summary of the invention
Fundamental purpose of the present invention is to overcome above-mentioned shortcoming, a kind of combined concentration piece with diffusion particle is provided, it surface that comprises a base material forms several bending prism unit, its blending has several diffusion particles, so that the effective scattering of incident ray, make the present invention have to increase light penetration rate, avoid the light total reflection and reduce the effect of light coefficient of losses.
Secondary objective of the present invention provides a kind of combined concentration piece with diffusion particle, it surface that comprises a base material forms several bending prism unit, its blending has several diffusion particles, rising angle with the control incident ray, and then concentrate the former scattered beam that has spread apart, make the present invention have the effect of increase concentration piece briliancy.
Another object of the present invention provides a kind of combined concentration piece with diffusion particle, it surface that comprises a base material forms several bending prism unit, its blending has several diffusion particles, so that the even scattering of incident ray makes the present invention have the effect of lifting light source uniformity coefficient and modification light source.
A further object of the present invention provides a kind of combined concentration piece with diffusion particle, it surface that comprises a base material forms several bending prism unit, its blending has several diffusion particles, be evenly distributed so that incident ray scatters to reach, making the present invention have increase briliancy homogeneity, level and half vertical briliancy angle increases, can make the visual angle to become the big higher effect of brightness value with great visual angle that reaches.
Another purpose of the present invention provides a kind of combined concentration piece with diffusion particle, it surface that comprises a base material forms several bending prism unit, its blending has several diffusion particles, so that incident ray scattering and obtain higher mist degree, make the present invention have and modify concentration piece structure speck, improve the finished product yield and reduce the effect of manufacturing cost.
Another purpose of the present invention provides a kind of combined concentration piece with diffusion particle, it surface that comprises a base material forms several bending prism unit, its blending has several diffusion particles, so that the even scattering of incident ray, thereby do not need to arrange in pairs or groups again diffusion sheet is set, the effect that makes the present invention have to simplify module backlight and reduce assembly cost.
In order to achieve the above object, technical scheme provided by the invention is: a kind of combined concentration piece with diffusion particle, and it comprises a base material, several bending prism unit and several diffusion particles; This base material has a first surface and a second surface; This bending prism unit cell arrangement is in the first surface of this base material, and this diffusion particle at least blending in this bending prism unit, make light produce diffusion simultaneously by this second surface incident, this bending prism unit has at least one crooked curved surface that extends, to form suitable surface curvature change and to guide this light to produce the refraction of two dimension at least, penetrate this bending prism unit again; The blending mass ratio of the described relatively bending prism of diffusion particle unit is between 1% to 35%; The particle diameter of diffusion particle is between 0.5 micron to 30 microns; Be shaped as in spherical, near-spherical, ellipticity, olive-shaped, ovum shape and the irregular polyhedrons shape one or more.
Diffusion particle is acryl material or transparent material; Transparent material be silicon dioxide, alundum (Al, boron oxide, calcium oxide, magnesium oxide, silica gel, polyester resin and styrene type resin in one or more; The crooked extension of at least one of bending prism unit curved surface forms has several lateral ridges; The bending prism unit is made up of one first dip plane and one second dip plane; In first dip plane and second dip plane at least one is the extension curved surface of described bending prism unit; First dip plane of bending prism unit and second dip plane form has several staggered lateral ridges; First dip plane of each bending prism unit and the crest angle of second dip plane are between 70 ° to 160 °; Each two adjacent bending prism unit changes its surface curvature along the crooked route of same rule; Each two adjacent bending prism unit changes its surface curvature along the crooked route of Different Rule; The bending prism unit has identical vertical height with respect to described base material; The vertical height of bending prism unit is between 10 microns to 100 microns; The horizontal width of bending prism unit is between 10 microns to 250 microns; The bending prism unit is a ultraviolet curing glue; Base material is the transparent base of pliability (flexible); Flexual transparent base is one or more in polyethylene terephthalate, tygon, poly-dioctyl phthalate second diester, polycarbonate, polyvinyl alcohol (PVA), Polyvinylchloride and the high molecular polymer; Several diffusion particles are that the light with described second surface incident produces diffusion simultaneously, penetrate described bending prism unit again, increase a light penetration rate of incident ray, make a light penetration rate between 10% to 90%.
Principle of work and beneficial effect with combined concentration piece of diffusion particle of the present invention: since the combined concentration plate substrate form with the surface that blending has several diffusion particles in several bending prism unit, rising angle with the control incident ray, make the effective scattering of incident ray, make and concentrate the former scattered beam that has spread apart, make the even scattering of incident ray, incident ray scatters to reach and is evenly distributed, make the incident ray scattering and obtain higher mist degree, the even scattering of incident ray thereby do not need the different effects such as diffusion sheet is set of arranging in pairs or groups again makes the present invention have the light penetration rate of increasing, avoid the effect of light total reflection and reduction light coefficient of losses, has the effect that increases the concentration piece briliancy, has the effect that promotes the light source uniformity coefficient and modify light source, has the briliancy of increasing homogeneity, level and half vertical briliancy angle increase, can make the visual angle become the big higher effect of brightness value with great visual angle that reaches, has the concentration piece of modification structure flaw, improve the effect of finished product yield and reduction manufacturing cost and have the effect of simplifying module backlight and reducing assembly cost.
Description of drawings
Fig. 1: the stereographic map of existing concentration piece;
Fig. 2: the use synoptic diagram of existing concentration piece;
Fig. 3: the present invention has the stereographic map of the combined concentration piece of diffusion particle;
Fig. 4: the present invention has the sectional perspective side view of the combined concentration piece of diffusion particle;
Fig. 4 a: the present invention has the sectional perspective side view of the combined concentration piece of diffusion particle;
Fig. 5: the present invention has the use synoptic diagram of the combined concentration piece of diffusion particle;
Fig. 6: the present invention has the light penetration rate of combined concentration piece of diffusion particle and the curve map of reflectivity;
Fig. 7: the present invention has the combined concentration piece (the bending prism unit that contains diffusion particle) of diffusion particle and the curve comparison diagram of a light penetration rate of existing concentration piece (prism elements that does not contain diffusion particle);
Fig. 8: the present invention has the combined concentration piece and the existing horizontal view angle brightness value comparison diagram of concentration piece under two closed states that does not contain diffusion particle of diffusion particle;
Fig. 9: the present invention has the combined concentration piece and the existing vertical angle of view brightness value comparison diagram of concentration piece under two closed states that does not contain diffusion particle of diffusion particle;
Figure 10: the present invention has the combined concentration piece and the existing horizontal view angle brightness value comparison diagram of concentration piece under the state of independent use that does not contain diffusion particle of diffusion particle;
Figure 11: the present invention has the combined concentration piece and the existing vertical angle of view brightness value comparison diagram of concentration piece under the state of independent use that does not contain diffusion particle of diffusion particle;
Figure 12: the present invention have diffusion particle combined concentration piece microscopical 50 show little photographic view.
Embodiment
For above-mentioned and other purpose of the present invention, feature, advantage can be become apparent, hereinafter will be especially exemplified by preferred embodiment of the present invention, and cooperate appended graphicly, be described in detail below.
Shown in Fig. 3,4, the combined concentration piece with diffusion particle 1 of preferred embodiment of the present invention comprises a base material 11, several bending prism unit 12 and several diffusion particles 13.This base material 11 has a first surface 11a and a second surface 11b, and can wear for light and penetrate process.The first surface 11a of this base material 11 is as the light emitting side of this base material 11, and this second surface 11b is as the light light incident side of this base material 11, and vice versa.This bending prism unit 12 has the microstructure unit (microstructure) of crooked outline, this bending prism unit 12 is adjacent to each other to be arranged on the first surface 11a of this base material 11, and this bending prism unit 12 is positioned at the light emitting side of this base material 11, but also can be positioned at the light light incident side.This bending prism unit 12 is made up of one first dip plane 12a and one second dip plane 12b, at least one of this first dip plane 12a and the second dip plane 12b is a crooked curved surface that extends, but its formation rule or irregular wavy bending, to produce surface curvature change, and then be able on two-dimentional at least direction, produce light refraction, so that produce good optically focused phenomenon.
Shown in Fig. 3,4, first dip plane 12a of this bending prism unit 12 of each of preferred embodiment of the present invention and the crest angle of the second dip plane 12b are preferable between 70 ° to 160 °, particularly between 85 ° to 95 °.Each two these adjacent bending prism unit 12 has the identical vertical height of essence (this vertical height refers to the height perpendicular to this base material 11 planes), this vertical height between 10 μ m (micron) between the 100 μ m, particularly between 20 μ m to 75 μ m.Moreover each two these adjacent bending prism unit 12 has a horizontal width (this horizontal width refers to be parallel to the width on these base material 11 planes), this horizontal width between 10 μ m (micron) between the 250 μ m, particularly between 25 μ m to 80 μ m.In addition, each two adjacent these bending prism unit 12 changes its surface curvature along the crooked route of same rule, for example make this crooked route change the crooked again 5 μ m of crooked 5 μ m earlier to the right left, but also can change its surface curvature along Different Rule or irregular crooked route.
Shown in Fig. 4 a, in the combined concentration piece with diffusion particle 1 of another preferred embodiment of the present invention, the first dip plane 12a of this bending prism unit 12 and the second dip plane 12b (that is at least one crooked curved surface that extends) can further be convexly equipped with to form has several interlaced lateral ridges 121, presents continuous variation, similar face curved transition or different surfaces curved transition.
Shown in Fig. 3,4, the base material 11 of preferred embodiment of the present invention can utilize integrally formed mode to make by identical light-transmitting materials with bending prism unit 12; Perhaps, this base material 11 also can be adopted forming mode manufacturings such as applying, die, roll extrusion or mold pressing by different light-transmitting materials with bending prism unit 12, to meet different characteristics or to make requirement, reaches the scope that increases the applicable scope of the present invention and the manufacturing.For example, this base material 11 can be drawn materials from various flexual transparent bases, for polyethylene terephthalate (polyethylene-terephthalate, PET), in tygon (PE), poly-dioctyl phthalate second diester (PEN), polycarbonate (PC), polyvinyl alcohol (PVA) (PVA), Polyvinylchloride (PVC) and other high molecular polymers one or more.These bending prism unit 12 preferable drawing materials from ultraviolet curing glue (UV glue).
Shown in Fig. 3,4, microscopical 50 the showing shown in little photographic view of combined concentration piece that has simultaneously diffusion particle with reference to Figure 12-the present invention, the diffusion particle 13 of preferred embodiment of the present invention according to predetermined ratio blending randomly in the material of this bending prism unit 12, the part by weight of these diffusion particle 13 relative these bending prism unit 12 is preferable approximately between 1% to 35%, particularly approximately between 1% to 25%.This diffusion particle 13 is drawn materials from the material that is different from this bending prism unit 12, for example draws materials from acryl (acrylic) material and/or transparent (glass) material, and this transparent material can further be selected from silicon dioxide (SiO
2), alundum (Al (Al
2O
3), boron oxide (B
2O
3), calcium oxide (C
aO), at least a or several in magnesium oxide (MgO), silica gel (silicone resin), polyester resin (polyester resin) and the styrene type resin (styrene resin).Therefore, in the preparation, the present invention can adopt any existing blending mode to carry out blending, for example can in the ultraviolet curing glue of per 100 mass units, suitably sneak into the acryl material or the transparent material of 1 to 35 mass unit, thereby prepare bending prism unit 12 structures that blending has this diffusion particle 13.Moreover the mean grain size of this diffusion particle 13 is kept between 0.5 μ m (micron) between the 30 μ m, and particularly mean grain size between the 10 μ m, is beneficial to control processing quality between 0.5 μ m (micron).That the shape of this diffusion particle 13 can be is spherical, at least a or several in near-spherical, ellipticity, olive-shaped, ovum shape and the irregular polyhedrons shape.
Shown in Fig. 3,4,5, on the concentration piece 1 of preferred embodiment of the present invention, first dip plane 12a of this bending prism unit 12 and the form of the second dip plane 12b can be selected identical or different, but at least one of this first dip plane 12a and the second dip plane 12b is a crooked curved surface that extends, but its formation rule or irregular wavy bending, to produce surface curvature change, favourable guiding like this produces the refraction of two dimension at least by a light 14 or 15 of the second surface 11b incident of this base material 11.Moreover, based on the material difference, the blending of the irregular or regular shape of diffusion particle of the present invention 13 is in this bending prism unit 12, and each this diffusion particle 13 can provide a light refraction interface with the handing-over interface (not indicating) of bending prism unit 12, make light 14 or 15 form diversified refraction and scattering, with the probability of relative increase diffusion and change angle by the handing-over interface.
Therefore, as shown in Figure 5, no matter the second surface 11b that is these light 14 relative these base materials 11 injects this base material 11 (that is this light 14 is not orthogonal to the second surface 11b of this base material 11) with a bigger incident angle, or this light 15 relative this second surface 11b inject this base material 11 (that is this light 15 is than the second surface perpendicular to this base material 11) with a less incident angle (less than 6 ° to 9 °), this light 14 and 15 all can change angle by this diffusion particle 13 and cause diffusion effect, and this light 14 and 15 also produces countless diffusion beam split by this diffusion particle 13, penetrate angle and concentrate light to revise, therefore not only can reflect the first dip plane 12a and the second dip plane 12b that penetrates this bending prism unit 12 smoothly, also can promote mist degree and modification structure flaw relatively simultaneously.
More in detail, diffusion particle 13 of the present invention can effectively reduce the probability of light total reflection.Moreover the first dip plane 12a and the second dip plane 12b of this bending prism unit 12 also can provide curved surface curvature, to reduce the probability of light total reflection, concentrate the former scattered beam that has spread apart, and then increase the concentration piece briliancy.Therefore, as shown in Figure 6, it discloses the light penetration rate of the combined concentration piece with diffusion particle of preferred embodiment of the present invention and the curve map of reflectivity.The present invention can significantly promote once penetrating efficient and reducing the light coefficient of losses of this light 14 and 15 really, that is see through with blending diffusion particle in the existing ultraviolet curing glue, so can be with of the scattering of original low-angle incident ray through diffusion particle, and behind the middle angle correction and concentrated light of this bending prism unit, penetrate by this first surface again, to reach the light penetration rate that increases, reduce low-angle incident ray by total reflection, and then reduce the light coefficient of losses, and obtain splendid two-dimentional at least spotlight effect.
As shown in Figure 7, the curve comparison diagram of a light penetration rate of the existing concentration piece 9 (prism elements that does not contain diffusion particle) of the combined concentration piece with diffusion particle 1 (the bending prism unit 12 that contains this diffusion particle 13) of the preferred embodiment of the present invention of its announcement Fig. 5 and Fig. 2.Compared to the existing concentration piece 9 of Fig. 2, the increasing degree that once penetrates efficient of concentration piece 1 of the present invention is approximately between 10% to 90%.Simultaneously, also can promote the light source uniformity coefficient and modify light source, increase briliancy homogeneity, level and half vertical briliancy angle increase, can make the visual angle to become big and brightness value is higher with great visual angle, and produce higher mist degree, to modify the micro-structure flaw of this concentration piece 1, so that improve the rate of pass and reduce manufacturing cost.Particularly, owing to can make the even scattering of incident ray by this concentration piece 1 separately, thereby if a module backlight (not illustrating) adopts concentration piece 1 of the present invention, can not need that then any diffusion sheet is set again or be reduced demand, make the present invention also have the module backlight of simplification and reduction back segment assembly cost diffusion sheet.
Shown in Fig. 8,9, it is relatively a concentration piece of preferred embodiment of the present invention (Fig. 8,9 this case) and an existing concentration piece that does not contain diffusion particle (Fig. 8,9 preceding case) respectively, level under the state of two superimposed uses and vertical angle of view brightness value.Shown in Fig. 8,9, its experimental result is as follows: when the state of " only descending diffusion sheet ", its brightness value is a minimum; See through diffusion particle blending to different proportion, the state of " this case is two opens " promptly has performance of optics briliancy and the diffusivity that is better than " preceding case is two opens+following diffusion sheet ", and because the concentration piece of preferred embodiment of the present invention has (mist degree) advantage of higher, so can additionally reach the effect of modification (structure blemishes); In like manner, see through the diffusion particle blending of different proportion, relatively " this case is two opens+go up diffusion sheet " reach the state of " preceding case is two opens+go up diffusion sheet and diffusion sheet down ", " this case is two opens+upward diffusion sheet ") the brightness value curve have more ascendant trend; In addition, when the state of " one of one+preceding case of this case ", its brightness value reaches mxm..That is, use " one of one+preceding case of this case " all to have more excellent optical appearance compared to other each states, and all can not need use down diffusion sheet, can reach the effect of existing concentration piece, and make the two frameworks of opening of this case more can not need use diffusion sheet to reach diffusion sheet down, can reach the effect of existing concentration piece, contain the function of modifying prism flaw and homogenising light source.
Shown in Figure 10,11, its respectively relatively the concentration piece of preferred embodiment of the present invention in the diffusion particle of the diffusion particle of the low ratio of blending (Figure 10,11 individual A of this case), blending higher proportion (Figure 10,11 individual B of this case) and an existing concentration piece that does not contain diffusion particle (Figure 10,11 preceding case), and level and vertical angle of view brightness value under the state that uses separately.Shown in Figure 10,11, its experimental result is as follows: when the state of " only descending diffusion sheet ", its brightness value is a minimum; Use " individual A of this case " or " individual B of this case " " following diffusion sheet adds preceding case " have more uniform brightness value distribution; Because " individual A of this case " or " individual B of this case " is in conjunction with diffusion function, its level half briliancy angle and vertical half briliancy angle all increase (for example: level half briliancy angle increases to 53 degree by 42 degree and vertical half briliancy angle increases to 35 degree by 32 degree), therefore the horizontal view angle increases, simultaneously owing to the past diffusion with great visual angle of centre visual angle energy, so the vertical angle of view also increases; Under situation with great visual angle, " individual A of this case " or " individual B of this case " " following diffusion sheet adds preceding case " have higher briliancy uniformity coefficient, be 40 when spending for example in the vertical survey angle, the brightness value of " individual A of this case " or " individual B of this case " is all than the brightness value height of " following diffusion sheet+preceding case ", and this case has had mist degree, then must not re-use diffusion sheet, therefore the use that can effectively save diffusion barrier sheet.
In sum, easily penetrate the second surface of this substrate 91 once more because of the total reflection of this light 94 compared to the existing concentration piece 9 of Fig. 2, cause and reduce once penetrating efficient and increasing shortcomings such as light coefficient of losses of this light 94, the present invention of Fig. 5 forms this bending prism unit 12 by the first surface 11a at this base material 11, reaches this diffusion particle 13 of blending in this bending prism unit 12.Therefore, the present invention can provide the spotlight effect and the even effect that spreads of two dimension at least really, and reduces low-angle incident ray by the probability of instead penetrating entirely, and then effectively lifting once penetrates efficient and reduction light coefficient of losses.
Claims (19)
1. combined concentration piece with diffusion particle, it is characterized in that: described combined concentration piece comprises:
A base material; Described base material has a first surface and a second surface;
Several bending prism unit, described bending prism unit cell arrangement are in the first surface of described base material, and described bending prism unit has at least one crooked curved surface that extends, and produce the refraction of two dimension at least with guiding by the light of described second surface incident; And
Several diffusion particles; Described diffusion particle blending at least makes the light by described second surface incident produce diffusion simultaneously in this bending prism unit, penetrates described bending prism unit again.
2. the combined concentration piece with diffusion particle according to claim 1 is characterized in that: the blending mass ratio of the described relatively bending prism of described diffusion particle unit is between 1% to 35%.
3. the combined concentration piece with diffusion particle according to claim 1 is characterized in that: described diffusion particle is acryl material or transparent material.
4. the combined concentration piece with diffusion particle according to claim 3 is characterized in that: described transparent material be silicon dioxide, alundum (Al, boron oxide, calcium oxide, magnesium oxide, silica gel, polyester resin and styrene type resin in one or more.
5. the combined concentration piece with diffusion particle according to claim 1 is characterized in that: the particle diameter of described diffusion particle is between 0.5 micron to 30 microns.
6. the combined concentration piece with diffusion particle according to claim 1 is characterized in that: being shaped as of described diffusion particle is spherical, in near-spherical, ellipticity, olive-shaped, ovum shape and the irregular polyhedrons shape one or more.
7. the combined concentration piece with diffusion particle according to claim 1 is characterized in that: the crooked extension of at least one of described bending prism unit curved surface forms has several lateral ridges.
8. the combined concentration piece with diffusion particle according to claim 1 is characterized in that: described bending prism unit is made up of one first dip plane and one second dip plane; In described first dip plane and second dip plane at least one is the extension curved surface of described bending prism unit.
9. the combined concentration piece with diffusion particle according to claim 8 is characterized in that: first dip plane of described bending prism unit and second dip plane form has several staggered lateral ridges.
10. the combined concentration piece with diffusion particle according to claim 8 is characterized in that: first dip plane of each described bending prism unit and the crest angle of second dip plane are between 70 ° to 160 °.
11. the combined concentration piece with diffusion particle according to claim 1 is characterized in that: each two adjacent described bending prism unit changes its surface curvature along the crooked route of same rule.
12. the combined concentration piece with diffusion particle according to claim 1, its feature
Be: each two adjacent described bending prism unit changes its surface curvature along the crooked route of Different Rule.
13. the combined concentration piece with diffusion particle according to claim 1 is characterized in that: described bending prism unit has identical vertical height with respect to described base material.
14. the combined concentration piece with diffusion particle according to claim 13 is characterized in that: the vertical height of described bending prism unit is between 10 microns to 100 microns.
15. the combined concentration piece with diffusion particle according to claim 1 is characterized in that: the horizontal width of described bending prism unit is between 10 microns to 250 microns.
16. the combined concentration piece with diffusion particle according to claim 1 is characterized in that: described bending prism unit is a ultraviolet curing glue.
17. the combined concentration piece with diffusion particle according to claim 1 is characterized in that: described base material is flexual transparent base.
18. the combined concentration piece with diffusion particle according to claim 17 is characterized in that: described flexual transparent base is one or more in polyethylene terephthalate, tygon, poly-dioctyl phthalate second diester, polycarbonate, polyvinyl alcohol (PVA), Polyvinylchloride and the high molecular polymer.
19. the combined concentration piece with diffusion particle according to claim 1, it is characterized in that: described several diffusion particles are that the light with described second surface incident produces diffusion simultaneously, penetrate described bending prism unit again, increase a light penetration rate of incident ray, make a light penetration rate between 10% to 90%.
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CNA2006101618257A CN101196586A (en) | 2006-12-05 | 2006-12-05 | Combined concentration piece with diffusion particle |
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CNA2006101618257A CN101196586A (en) | 2006-12-05 | 2006-12-05 | Combined concentration piece with diffusion particle |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102472461A (en) * | 2010-05-19 | 2012-05-23 | 松下电器产业株式会社 | Led lamp and lighting device |
JP2020506417A (en) * | 2017-01-16 | 2020-02-27 | スリーエム イノベイティブ プロパティズ カンパニー | Faceted microstructured surface |
CN111164465A (en) * | 2018-02-28 | 2020-05-15 | 株式会社Lg化学 | Viewing angle compensation film, polarizing plate including the same, and display device including the same |
-
2006
- 2006-12-05 CN CNA2006101618257A patent/CN101196586A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102472461A (en) * | 2010-05-19 | 2012-05-23 | 松下电器产业株式会社 | Led lamp and lighting device |
CN102472461B (en) * | 2010-05-19 | 2014-10-15 | 松下电器产业株式会社 | Led lamp and lighting device |
JP2020506417A (en) * | 2017-01-16 | 2020-02-27 | スリーエム イノベイティブ プロパティズ カンパニー | Faceted microstructured surface |
CN111164465A (en) * | 2018-02-28 | 2020-05-15 | 株式会社Lg化学 | Viewing angle compensation film, polarizing plate including the same, and display device including the same |
CN111164465B (en) * | 2018-02-28 | 2022-07-12 | 株式会社Lg化学 | Viewing angle compensation film, polarizing plate including the same, and display device including the same |
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Open date: 20080611 |