CN1632654A - Optical field improved combination and application system thereof - Google Patents

Abstract

It is an optical filed improvement combination and its application system, which comprises microscopes and loading pads set. The microscope has at least one micro lens array and its material and physical and optics characteristics are adjusted on needs. The loading pad set is used as the loading pad of the microscope lens set and its component materials; physical and optics characteristics are adjusted on needs to provide the needed optical field.

Description

Light field is improved combination and application system thereof

Technical field

The present invention relates to a kind of light field and improve combination and application system thereof, the unitized construction of particularly a kind of level that is applied to liquid crystal pictorial display device, back projection imagescope or similar device or vertical light field, the micro lens group that this unitized construction is made up of correlation properties such as material, physics and optics, combination wherein can be used for adjusting the light path path to improve the system effect of imagescope.

Background technology

In the society of today, no matter be static or dynamic video picture, all the life to people plays significant impact.The portable type electronic product of low power consuming and the electronic product of display element almost have been the necessitys in the life.The liquid crystal pictorial display device is one of major technique that is adopted in these imagescopes.The liquid crystal pictorial display device is a kind of non-luminous passive type element own, needs outside light source shine driving usually.In the system of this imagescope of many application, the energy-supplementing source that battery is unique often, therefore the good liquid crystal pictorial display device of design carefully discussion how to improve the light source service efficiency.In the application of many liquid crystal pictorial display devices, need to adopt more structural combination and the different imaging results of material to improve, remain to be improved so be still.

In recent years, another imaging technique has also had progressive fast, and it is exactly the projection imaging technique.Different projection imaging technique development is arranged according to the difference of the image-forming component that is adopted at present.What recently development was more is the digital minitype reflector element that adopts TIX, or adopts the liquid crystal cell that other company develops and the projection imagescope of developing.No matter but adopting any element, these projection displays all need to see through some video picture medium image are shown to the audience.These video picture media are often very big to the influence of image quality that the audience saw because it normally last " contact " arrive the optical element of image.In general, this is to use a slice screen to reach more.According to user's environment and the shadow casting technique that is adopted, this screen can be divided into usually " pre-projecting type " or " back projection type " two kinds of kenels.Please referring to shown in Figure 12, it has disclosed a kind of previous traditional technology application case, promptly is to utilize a kind of macromolecular material of sheet to make lens to adjust the light path path.

But differ owing to use different required situations, therefore the projection imagescope that is suitable for is also different.With regard to the home entertainment system, the audience is the position before imagescope, so image can present horizontal distribution but not vertical distribution.But in general large-scale audiovisual place, for example at an equipment central control room, the audience tend to need be bigger image level and vertical distribution.

Generally speaking, projection screen need possess high resolving power is arranged, high-contrast, high-energy gain and big video picture visual angle, but these requirements often are not easy to reach simultaneously.For example, the video picture angle of visibility that the energy gain of screen must be traded off to some extent and reach bigger usually, therefore trade off at different application and to many characteristics of screen, to allocate be inevitable.

So at different projection imagescope applications, the whole optical effect that improves screen is the target that must pursue, it can also number 4 with reference to United States Patent (USP), 666,248,5,040,883,5,467,417,5,563,738,5,917,664 and 6,317,263 or the like the listed traditional liquid crystal pictorial display devices and the structure of projection imagescope.

Summary of the invention

The purpose of this invention is to provide a kind of light field and improve combination and application system thereof, a kind of micro lens group and goods thereof that are easy to make and can constitute according to required output light field particularly are provided, and these goods include liquid crystal pictorial display device or back projection imagescope or similar device.The present invention also comprises micro lens and carrying synusia group, and this micro lens has the micro-lens array of at least one required composition material, physics and optical characteristics, and this carrying synusia group is the carrying synusia as the bearing micro lens combination.

Use the goods of micro lens group of the present invention, can revise level or vertical light path path and corresponding light field, but the present invention is other suitable optical lens of recombinant also, for example plano-convex lens, biconvex lens, Fresnel Lenses (fresnel lens), anamorphote (anamorphoticlens) or the like are with level of making amendment or vertical light path path and corresponding light field.

The surface of micro lens itself can have the effect of light scattering, or contains in its constituent material and do not have a diffusion material of particular orientation, the astigmatism body of for example astigmatic particle or other form.No matter be which kind of kenel, all the strongest radiation direction can be adjusted into the vertical optical axis or certain angle (with respect to the vertical optical axis of the principal plane that carries synusia) that are parallel to the principal plane that carries synusia approximately.

The carrying synusia comprises the combination of following characteristic material, as Web materials, prism material, light stagnant material, auroral poles formed material and/or other any suitable functional material of reflecting material, high transparent material, light absorbent, opaque material, light sensitive material, diffusion material, metal material, metal or other material, so that extra optical characteristics setting range to be provided.Carry synusia simultaneously and also can make membranaceous, the sheet of different size and thickness, tabular or any suitable kenel.On the carrying synusia, can also make the assembled arrangement of transparent hole, or on plastic opaque or metal material, make the assembled arrangement of transparent hole, or adopt material to weave webbed kenel with metal or high molecule plastic, make and can not be affected when light passes through these holes.Certainly, these carrying synusia also can make up mutually or the propping material attached to other on so that obtain stronger structural strength.

Many different microfabrication technologys have been widely used in forming microminiature electrical equipment, machinery and optical element and this combination of elements structure at present.Many new-type elements, for example micromotor and gear set all can adopt these process technologies to make, and quite universal.The microreflection mirror element that a famous application element thereof of these technology is exactly a TIX, this element is applied in the projection imagescope at present.

Certain micro lens can have been used different process technologies and make, and for example Laser absortion, photolithography, chemical etching, electroforming and galvanochemistry or the like process technology can be applied in the Mold Making of micro lens.

In case Mold Making is finished, macromolecule or conjugate polymer material, butyl methyl acrylate polymer (butyl methacrylate polymer) is for example arranged, methyl acrylate (methly methacrylate), hydrogen-oxygen ethyl-methyl acrylate (hydroxyethylmethacrylate), polystyrene (polystyrene), polycarbonate (polycarbonate), polyolefin ester (polyolefin), polystyrene (styrene), silicone gel (siliconehydrogel), siloxane (siloxane) or the like or any material compositions that other is suitable for, via with after photopolymerization parent material or other any suitable polymerization initiator mix, (for example add suitable release agent or other proper additive, antistatic, anti scuffing etc.) afterwards, utilize accurate printing, inject, spray printing (inkjet) system, or other suitable method, suitable quantity of material is put into mould.In the mixed process of above-mentioned material, also can attach suitable diffusion material.

After in case suitable micro lens material adds mould, suitable program curing just can begin to carry out, according to selected different materials, can obtain the refractive index of the macromolecular material after difference is solidified, simultaneously also can use different material behavior (for example surface tension and affinity), repeat above-listed step and make needed various micro lens and different optical characteristics.

When application light field of the present invention is improved combination, this micro lens group just can be used for reaching original purpose of design, but micro lens group of the present invention is other suitable optical lens of recombinant also, for example plano-convex lens, biconvex lens, Fresnel Lenses (fresnel lens), anamorphote (anamorphotic lens) or the like, a kind of combination wherein can be used for adjusting the light path path to improve the system effect of imagescope.

Carrying synusia of the present invention can be made by following different materials, the functional material that is suitable for as light reflecting material, transparent material, light absorbing material, opaque material, metal material, light sensitive material, auroral poles formed material or other optical material or other or the combination of this material, and see through that suitable laminated material or bonding mode are come and above-mentioned micro lens combines.These functional materials can be to possess astigmatism, or polarization, or anti-dazzle, or the combination of materials with these characteristics.

Use accurate ejaculation, mechanical press or laser processing, or other any suitable mode can be made the hole of accurate size on the carrying synusia.On the carrying synusia, also can make telltale mark or hole, so that can accurately combine with micro lens.Use after above-mentioned any suitable mode makes at the carrying synusia, also suitable adhesion material can be coated in advance and carry on the synusia.

The carrying synusia can be coated with several layers macromolecular material, conjugate polymer material, inorganic material or other any suitable material on single or double, so that it has the characteristic of low reflection, antireflection or anti scuffing, also can according to the condition of using with need different, on such material, form and the hole arranged in pairs or groups mutually in the micro lens position.

The microsize bead that the present invention can adopt minute sized glass beads or other suitable different materials to make is implemented, and the external form of these beads needs not be ball-shaped.Adopt transparency, penetrate frequency spectrum, refractive index, diameter or the like composition material, or correlation properties such as physics and optics are through the miniature bead of screening, utilize transparency, penetrate frequency spectrum, refractive index or the like correlation properties such as composition material, physics and optics are through the adhesive agent of screening, the glutinous one deck in shop is on the carrying synusia, thickness after this layer adhesive agent solidifies must be not more than half of miniature bead height (diameter), and this thickness can be required to adjust according to using.And miniature bead is beared down on one contact on the carrying synusia.

After adhesive agent solidifies, again with the coating of another kind of optical high molecular material and solidify on this layer adhesive agent, the transparency of this floor height molecular material, to penetrate correlation properties such as frequency spectrum, refractive index, thickness or the like composition material, physics and optics also be that and this material is the material of low penetration rate through screening.After above-mentioned adhesive agent solidifies, also can in the space between each bead, spill opaque micro powder granule, the material of carbon black and so on for example, and then be coated with thereon and solidify another kind of transparency, penetrate frequency spectrum, refractive index, thickness or the like correlation properties such as composition material, physics and optics also are that macromolecular material adhesive agent through screening is fixed.After aforementioned adhesive layer material cured, also can adopt the macromolecular material of low penetration rate again, as printing ink, pigment or dye-coating in the gap of bead, and then be coated with another kind of transparency thereon, penetrate frequency spectrum, refractive index or the like correlation properties such as composition material, physics and optics are fixed through the polymeric optical material of screening.Thickness after above-mentioned this layer material solidifies must be not more than half of miniature bead height (diameter), and this thickness can be required to adjust according to using.

After the coating of finishing such low penetration material is fixing, can be coated with another kind of transparency again on bead, penetrate correlation properties such as frequency spectrum, refractive index, thickness or the like composition material, physics and optics also is that this layer material can be strengthened required optical effect through the polymeric optical material of screening.The thickness that is coated with also is the emphasis of design, and the thickness of this layer material can protrude in the height (diameter) of bead a little, reaches optical effect.This thickness difference can be according to using required the adjustment.The carrying synusia also can be coated with several layers macromolecular material, conjugate polymer material, inorganic material or other any suitable material on single or double, so that it has the characteristic of low reflection, antireflection or anti scuffing, also can and need, on such material, form hole with the collocation of miniature bead position according to the condition of using.

But this miniature bead combination and unitized construction thereof be other suitable optical lens of recombinant also, for example plano-convex lens, biconvex lens, Fresnel Lenses (fresnel lens), anamorphote (anamorphotic lens) or the like, a kind of combination wherein can be used for adjusting the light path path, to improve the system effect of imagescope.

The microsize bead that the present invention also can adopt minute sized glass beads or other suitable different materials to make is implemented, and the external form of these beads needs not be ball-shaped.

On the sheet metal of a selected thickness; after utilizing the diaphragm that perforate is arranged that the little shadow technology of known photoresistance makes; utilize known chemical etching mode on sheet metal, to make the required micropore hole array that runs through sheet metal; adopt transparency again; penetrate frequency spectrum; refractive index; diameter or the like composition material; correlation properties such as physics and optics are through the miniature bead of screening; the glutinous one deck in shop is in making the required sheet metal that runs through micropore hole array; and the some that makes these miniature beads protrudes in the another side of sheet metal; re-use transparency; penetrate frequency spectrum; refractive index or the like composition material; correlation properties such as physics and optics are attached on miniature bead on the sheet metal through the adhesive agent of screening.

This sheet metal also can be before the glutinous miniature bead in shop, earlier with the known selected light absorbent of technology coating, to reduce the light reflectivity of this sheet metal.After sticking miniature bead shop on sheet metal, also can be again with several layers of transparency, penetrate correlation properties such as frequency spectrum, refractive index or the like constitutive material, physics and optics and coat through the macromolecular material of screening on the two sides of composition of this sheet metal and miniature bead, to reach required optical effect.But this miniature bead combination and unitized construction thereof be other suitable optical lens of recombinant also, for example plano-convex lens, biconvex lens, Fresnel Lenses (fresnel lens), anamorphote (anamorphotic lens) or the like, a kind of combination wherein can be used for adjusting the light path path, to improve the system effect of imagescope.

Further specify specific structural features of the present invention and purpose below in conjunction with accompanying drawing, the present invention with shown in after accompanying drawing cooperates preferred embodiment to describe in detail, its embodiment, principle will belong to abundant exposure for ripe technician in this skill, yet, can be appreciated that preferred embodiment of the present invention, and be not in order to the restriction embodiments of the present invention, any change, modification or the equivalence carried out so do the basis with preferred embodiment of the present invention such as replace, only otherwise break away from feature person of the present invention, all ought belong to technology category of the present invention.

Description of drawings

Figure 1A, B are the vertical view and the sectional view of micro lens of the present invention and mould.

Fig. 2 is various micro lens figure of the present invention, the different materials number of combinations of the figure denote of the below of each figure for adopting.

The structural representation of the carrying synusia that Fig. 3 A can make for the present invention.

The structural representation of the carrying synusia that Fig. 3 B can make for the present invention.

Fig. 4 is the A-A line diagrammatic cross-section of Fig. 3.

The sectional view of the another kind of object that Fig. 5 can make for the present invention.

Fig. 6 is the diagrammatic cross-section of the invention process with the image reflection.

Fig. 7 is the position alignment sign that the present invention makes, and is used for the synoptic diagram of locating mutually between micro lens and the carrying synusia.

Fig. 8 is the embodiment synoptic diagram of the present invention with combination between micro lens and carrying synusia.

Fig. 9 is the present invention's another embodiment synoptic diagram with combination between micro lens and carrying synusia.

Figure 10 for the present invention with between micro lens and carrying synusia in conjunction with after, the diagrammatic cross-section that combines with another stilt again of carrying synusia.

Figure 11 makes the diagrammatic cross-section of miniature convex lens for the invention process electrocasting.

Figure 12 makes different lens peculiarities for tradition with using on the macromolecular material sheet, and is applied in the structural representation of back projection imagescope.

Figure 13 is the present invention uses the embodiment synoptic diagram of the glutinous one deck in micro lens shop on the carrying synusia that miniature bead makes.

The glutinous embodiment synoptic diagram of one deck on sheet metal in Figure 14 micro lens that miniature bead makes for the present invention uses shop, the wherein different kenels of implementing of each expression of A to E.

Glutinous one deck another embodiment synoptic diagram on sheet metal in Figure 15 micro lens that miniature bead makes for the present invention uses shop, wherein A is the sheet metal synoptic diagram, B is miniature bead and the synoptic diagram that combines of sheet metal.

The glutinous synoptic diagram of one deck on sheet metal in Figure 16 A micro lens that miniature bead makes for the present invention uses shop, Figure 16 B are the embodiment synoptic diagram that re-uses behind Figure 16 A recombinant Fresnel Lenses (fresnel lens).

Symbol description among the figure

131 thick flat substrates

141 arrays

121 spacings

111 lens size R

151 frames

2201 material layers

2211 material layers

2221 material layers

2223 material layers

2231 material layers

2233 material layers

1141 chemicalss

1131 cutter moving directions

1121 die substrates

311 carrying synusia

321 holes

331 mark holes

411 carrying synusia

511 carrying synusia

431 micro lens systems

421 adhesive agents

521 adhesive agents

531 lens arras

541 lens arras

1011 lens arras

1041 lens arras

1031 adhesive agents

1021 carrying synusia

1051 carrying synusia

1061 stilts

611 carrying synusia

621 adhesive agents

681 lens at interval

661 incident raies

675 parts

631 back sides

691 reflecting materials

671 reflections

631 micro lens

651 stilts

641 reverberations

721 lens tools

711 witness markers

731 carrying synusia groups

864 micro lens

985 micro lens

814 carrying synusia groups

915 carrying synusia groups

874 coating mechanisms

965 coating mechanisms

854 curing mechanisms

975 curing mechanisms

824 adhesive agent coating mechanisms

925 adhesive agent coating mechanisms

1303 carrying synusia

1301 miniature beads

1302 adhesive agents

1309 adhesive agents

1306 light absorbents

1307 adhesive agents

1308 adhesive agents

1304 materials

1305 materials

1411 sheet metals

1511 sheet metals

1611 sheet metals

1444 hole arrays

1522 hole arrays

1455 miniature beads

1533 miniature beads

1622 miniature beads

1422 adhesive agents

1433 light absorbents

1466 macromolecular materials

1477 macromolecular materials

1488 macromolecular materials

1644 Fresnel Lenses

1633 anamorphotes

Embodiment

The present invention adopts the combination of the different optical characteristic of micro lens and carrying synusia to reach a combination optical feature structure.For example shown in Figure 1A, the micro lens that the present invention can adopt is made mould, thick flat substrate 131 wherein can adopt metal, glass, plastics or macromolecular material (for example polyamide), and on this thick flat substrate 131, make the array 141 of micro lens, and the curvature of micro lens, size and relevant lens peculiarity are all designed according to required optical characteristics.In case after individual other micro lens characteristic was designed to decide on a verdict, lens combination also can be arranged according to required size, the spacing 121 of arrangement and lens size R111 also can according to required optical characteristics and should be used for adjusting (shown in Figure 1B).The frame 151 of micro lens can also be adjusted shape according to the combination of micro lens, the arrangement of array, the size and location direction.

The array 141 of the micro lens among Figure 1A also can be according to required characteristic, and cooperates the design of micro lens to adjust.For example, it is different but orthogonal that micro lens can be designed to combination, or on any other angle different curvature is arranged, and combination of lenses, array also can arrange according to required size, and the spacing 121 of arrangement and lens size R111 also can according to required optical characteristics and should be used for adjusting (shown in Figure 1B).

The optical characteristics of indivedual micro lens also can be utilized and adopt different materials further to adjust in the process of making.Its operable macromolecule or conjugate polymer material, butyl methyl acrylate polymer (butyl methacrylate polymer) for example, methyl acrylate (methly methacrylate), hydrogen-oxygen ethyl-methyl acrylate (hydroxyethylmethacrylate), polystyrene (polystyrene), polycarbonate (polycarbonate), polyolefin ester (polyolefin), polystyrene (styrene), silicone gel (siliconehydrogel), siloxane (siloxane) or the like, or any material compositions that other is suitable for, or with photopolymerization or any other light initiator, or certain release agent or other any proper additive are (for example antistatic, anti scuffing or other function), and put into the mould of micro lens according to doses.

Certainly any experienced adjustment all can be made variation with the embodiment of the micro lens shown in Figure 1A, but all can not depart from intention of the present invention, that is reaches required optical characteristics through the micro lens and the unitized construction of carrying synusia.

Also can adopt simultaneously the mixing of different materials, for example with astigmatic particle or other diffusion material that is suitable for mixes with macromolecular material or conjugate polymer material, and this kind operation can just be finished earlier in the material preparatory stage.

In case the micro lens material is placed in the mould, suitable curing operation can begin to carry out, because the difference of parent material, the refractive index of the material after the curing also may change to some extent.Utilize the characteristic of different materials, for example repeated combination of viscosity, surface tension, compatibility and job step can make the micro lens of different types, and the micro lens of these different types also can possess different optical characteristics.

Figure 2 shows that adopt aforesaid way the different micro lens pattern that can adjust, the material layer 2201,2211 that Fig. 2 is listed, 2221/2223,2231/2233 can be by with a kind of or not of the same race macromolecular material, or conjugate polymer material mixes, a kind of material layer 2201,2211,2221,2231/2233 wherein also can mix with a kind of diffusion material 2202,2212,2222,2232/2234, to reach required optical characteristics.Other on-macromolecular material, or the non-conjugate high molecular material also can be before aforesaid macromolecular material or conjugate polymer material, spill in mould the shop in advance, these materials can also be removable materials, micro metal bead for example, they can be at macromolecular material, or conjugate polymer material removed after solidifying, and for example can these micro metal beads be removed with method for chemially etching.The method also can even be removed the mould of micro lens group simultaneously in the lump, so can omit the step of the demoulding.

Though the embodiment of accompanying drawing is the kenel of convex lens, concavees lens also do not break away from intention of the present invention.The concavees lens mould that utilizes the galvanochemistry processing method to make that is shown in Figure 11, wherein the processing and forming mould of micro lens mould can utilize known job operation earlier, and for example the diamond cutting method is made in conjunction with miniature electroforming processing method.By the selection and the condition of work of different chemical medicine 1141, for example the combination of cutter moving direction 1131, cutter translational speed, temperature, electrode overvoltage or the like parameter on die substrate 1121, is made the mould of micro lens.

After micro lens is finished design, utilize various processing operation and different combination, can finish the mould manufacturing of designed micro lens fully.

Therefore, according to using required different characteristics, intersect and adopt above-mentioned various precision processing technology to finish the micro lens mould, and the mould that is used to complete, under the collocation of suitable material, after making required micro lens, merging suitable carrying synusia and reach the required optical field distribution of original design, is various embodiment listed in the detailed description of the invention.

Implement element of the present invention and include the carrying synusia, have the micro lens group on it, and can reach the effect of adjustment level or vertical light path direction.Shown in Figure 3 is exactly a kind of embodiment that carries synusia, make hole 321 that makes according to required size and the mark hole 331 that some respectively possess the exact position in this carrying synusia 311, these telltale mark holes 331 are to be used for can using finishing between carrying synusia 311 and the micro lens group when locating.

Carrying synusia 311 is made by light reflecting material, transparent material, light absorbing material, opaque material, metal material, light sensitive material, auroral poles formed material or other optical material or combination of materials.

Carrying synusia 311 also can be coated with opaque on single or double, or light absorption type light sensitive material, and through suitable light source irradiation, can also and need according to the condition of using, on the light sensitive material of so opaque or light absorption type, form hole 321 with the collocation of micro lens position.Carrying synusia 311 also can be coated with several layers macromolecular material, conjugate polymer material, inorganic material or other any suitable material on single or double, so that it possesses the characteristic that low reflection, antireflection or anti scuffing are arranged, also can be according to condition of using and the hole 321 that need on material, form and arrange in pairs or groups in the micro lens position.

As in carrying synusia 311, adopting the polarization film, the direction of auroral polesization can be changed according to applicable cases, in the application that uses the liquid crystal pictorial display device, because seeing through the light of liquid crystal pictorial display device itself has been the light of polarization mostly, can select collocation at the polarization film of carrying on the synusia 311, make only can not the passing through of liquid crystal pictorial display device.

Person shown in Fig. 4 and Fig. 5 is several embodiment of the present invention.Among Fig. 4 and Fig. 5, carrying synusia the 411, the 511st is made of a monolayer material.Among Fig. 4, micro lens system 431 is attached on certain single that carries synusia by suitable adhesive agent 421.Shown in Figure 5 then is to stick one group of micro-lens array 531,541 via adhesive agent 521 separately on the two sides of carrying synusia 511.Can reach required optical effect via the selection and the collocation of the different optical characteristics of carrying synusia and micro lens according to the needs of using.Shown in Figure 10 then is another embodiment of the present invention, wherein different micro-lens arrays 1011,1041 are attached on different carrying synusia 1021,1051 via suitable adhesive agent 1031, and then the carrying synusia that will finish adds respectively on the two sides of the stilt 1061 that is attached to selection of an optical characteristics process and collocation.

Among Fig. 4 and Fig. 5, the carrying synusia is made of two kinds of plies of material, via the different material of combination, for example reflectivity, high light transmittance, suction optical activity, opaqueness, metal material, photosensitivity, astigmatism, light retardation, auroral poles voltinism or other functional material can be as the optional articles for use of these two kinds of materials.Such combination can be used on the liquid crystal pictorial display device.

Sticking together between the material of micro lens and various different bearer synusia can be adopted the photopolymerization macromolecular material or the conjugate polymer material of thin layer, and for example the uv photopolymerization material carries out.

According to the different applicable cases and the design of micro lens, the maximum brightness direction of light can be different from the vertical optical axis on the main plane of carrying synusia.Such elasticity combination makes the present invention can be applied in various occasion.

For example the rear-projection imagescope is exactly a kind of application.In such purposes, rear projection screen is to be used for picture to display is incident upon in certain spatial dimension.The scope of viewing and admiring like this can be changeable by purposes.Usually, the imaging results of a rear projection screen can be subjected to many screen characteristics to be influenced, for example gain, visual angle, resolution, contrast, hot spot (speckle) or the like.The general high resolving power, high-contrast, high-gain and with great visual angle of being contemplated to be.

But often when improving a specific character of screen, can cause the deterioration of another kind of characteristic, the gain that for example improves screen often causes the visual angle to reduce.

The present invention can design the primary optical axis direction of indivedual micro lens according to the difference of each micro lens position in whole array, therefore can adjust the light main shaft that penetrates this embodiment more accurately, characteristic of each carrying synusia also can be adjusted and arrange in pairs or groups and strengthen imaging results simultaneously.

Embodiment among Fig. 6 is can be with a kind of application of image reflected back light source direction.Generally speaking, it is to be applied in front projection system mostly.Adopt suitable carrying synusia 611, packing material in adhesive agent 621 materials and the lens interval 681 or the like combination of different materials, the some 675 and the ambient light of incident ray 661 all are absorbed, so can reach higher contrast ratio.Individual other lens interval 681 can adopt the material of different refractivity to adjust the penetrance of incident ray, simultaneously the back side 631 of micro lens also can be coated with reflecting material 691 incident ray is reflected 671, in order to strengthen the hardness of micro lens 631 and composition thereof, also upper support 651 be can add, micro lens 631 and composition thereof binded also can being coated with reverberation 641 and adhesive agent 621 on the stilt 651.

Embodiments of the invention can adopt many different production methods to make.At the different embodiment that shown in Fig. 7,8,9 is made of the present invention.

Adopt flat micro lens tool 721 among Fig. 7, on the definite exact position in this group mould witness marker 711 is arranged, the mould size can be adjusted according to required should being used for.The size of carrying synusia group 731 is also adjusted according to required should being used for.After micro lens and carrying synusia group make up, just utilize witness marker 711 that both are positioned on the desired location, utilize suitable adhesion material (for example ultraviolet curable agent) and manufacturing conditions again, micro lens group and carrying synusia group are binded and carry out the demoulding.Utilize such way just can make employing goods of the present invention in batch change ground.

864,985 of micro lens among Fig. 8,9 are a kind of sheet material of continous way.Be placed with the contraposition sign on the exact position on the mould, the mould of micro lens 864,985 and carrying synusia group 814,915 are all adjusted size according to applicable cases.If adopt the carrying synusia with hole, then the relative opening position of micro lens also can be made in off-line or online production process.Micro lens can be made via continuous mould, suitable coating mechanism 874,965, curing mechanism 854,975 and corresponding process apparatus.After locating via the contraposition sign, the carrying synusia group 814,915 of whole volume and micro lens make up.See through the combination of adhesive agent coating mechanism 824,925 and manufacturing conditions, micro lens is combined with carrying synusia group, and by the demoulding in the mould.A kind of mode like this can be made product of the present invention continuously.

After adopting this continuous mode to make micro lens, also can the mould of micro lens group directly be removed, so can omit the step of the demoulding with method for chemially etching.

Embodiment shown in Fig. 8,9 also can be by the different embodiment of selecting of different materials.After making micro lens via suitable mode, before deviating from mould, directly on the micro lens mould of such state, be coated with photopolymerization or other the suitable material of one deck again through carefully choosing, again via suitable optical mould (light shield or mask), after cooperating suitable light source or other to want required suitable manufacturing course to handle, can directly that one deck is required carrying synusia make with micro lens almost be integrated kenel.After making integrated like this carrying synusia and micro lens, just can carry out stripping operation, afterwards still can be according to the apolegamy of required optical effect and various materials, select and produce various synusia, and different synusia is combined into the carrying synusia of various numbers of plies and the one bond of micro lens, in required application, bring into play optical effect.

If the miniature bead (miniature bead diameter is more than 10 microns) that employing glass or other suitable material make is as the embodiment of micro lens of the present invention, as shown in figure 13, then can be on the dull and stereotyped material of the carrying synusia 1303 of various numbers of plies, adopt suitable mode to spread and put the miniature bead 1301 that one deck directly contacts with carrying synusia 1303, after miniature bead 1301 is put in the shop, be coated with the transparent adhesive agent of layer overlay 1302, adhesive agent 1302 thickness behind overcuring must be less than or equal half of height (diameter) of miniature bead 1301.Owing to can select the material behavior of adhesive agent 1302, so this material can also be coated with thinly at the back side of miniature bead 1301 and enclose at least one layer of adhesive agent 1309, the selection of permeable material and production process, these a few thickness can be according to using required the adjustment.

If the miniature bead that employing glass or other suitable material make is as the embodiment of micro lens of the present invention, then also can be earlier on the dull and stereotyped material of the carrying synusia 1303 of various numbers of plies, adopt suitable mode to be coated with the transparent adhesive agent of layer overlay 1302, after being coated with shop adhesive agent 1302, spread again and put the so miniature bead 1301 of one deck, in finishing miniature bead 1301 shop postpones, employing pressure is pressed into, or other suitable method directly contacts miniature bead 1301 with carrying synusia 1303, adhesive agent solidified again.Adhesive agent thickness after the curing must be less than or equal half of height (diameter) of miniature bead 1301.This thickness can be according to using required the adjustment.Because the order of implementing changes, such program can't be at the very thin adhesive agent 1309 of the coated last layer in the back side of miniature bead 1301.

Then be coated with the lighttight material of another layer at least in the gap between each miniature bead again, or spill one deck light absorbent (for example carbon black) and macromolecular material at least, or the potpourri of conjugate polymer material, or the suitable opaque or light absorbent 1306 of any other kenel, thickness after the material cured of opaque or extinction like this must be not more than half of height (diameter) of miniature bead.This thickness can be according to using required the adjustment.Owing to can select properties of materials, such material can also be coated with thinly at the back side of miniature bead and enclose at least one layer of adhesive agent 1307,1308,1309, the selection of permeable material and production process, these a few thickness can be according to using required the adjustment.

After so opaque or light absorbent is cured, can be again on this layer material the coating transparent material of another layer at least, the thickness of coating make solidify the back a little less than or a little more than the height (diameter) of miniature bead.These a few thickness differences can be according to using required the adjustment.

The carrying synusia also can be coated with several layers macromolecular material, conjugate polymer material, inorganic material or other any suitable material 1304,1305 on single or double, make its characteristic with low reflection, antireflection or anti scuffing, also can be according to condition of using and the hole that need on such material, form and arrange in pairs or groups in miniature bead position.

Via the collocation between the optical characteristics of selecting various materials (for example refractive index, transparency, absorbance or the like), the thickness of layers of material, optical characteristics of miniature bead or the like, can make different micro lens according to using needed optical effect.Also can be coated with several layers of different material on the another side of dull and stereotyped synusia of carrying itself and make antireflection, anti scuffing, antistatic or the like, or the characteristic of other optics.Thus, via the combination of different carrying synusia, miniature bead, adhesive agent or packing material, can reach and implement optical characteristics required for the present invention.

The microsize bead that the present invention also can adopt minute sized glass beads or other suitable different materials to make implemented, and the external form of these beads needs not be ball-shaped.It is extremely shown in Figure 16 as Figure 14,

The opaque suitable material of one selected thickness is made the net of perforate or adopted sheet metal 1411; 1511; 1611; and behind the diaphragm that perforate is arranged that utilizes the little shadow technology of known photoresistance to make on the sheet metal; utilize known chemical etching mode on sheet metal, to make the required micropore hole array 1444 that runs through sheet metal; 1522; adopt transparency again; penetrate frequency spectrum; refractive index; diameter (more than 10 microns) size or the like composition material; correlation properties such as physics and optics are through the miniature bead 1455 of screening; 1533; 1622; the glutinous one deck in shop is in making the required sheet metal that runs through micropore hole array; and the some that makes these miniature beads protrudes in the another side of sheet metal; again on the single face or two sides of sheet metal; use transparency; penetrate frequency spectrum; refractive index or the like composition material; correlation properties such as physics and optics are attached on miniature bead on the sheet metal through the adhesive agent 1422 of screening.

This sheet metal also can be coated with selected light absorbent 1433 to reduce the light reflectivity of this sheet metal with known technology earlier before the glutinous miniature bead in shop.Miniature bead shop is being sticked after on the sheet metal, also can be again with the transparency of one deck at least, penetrate the macromolecular material 1466,1477,1488 of correlation properties such as frequency spectrum, refractive index or the like constitutive material, physics and optics through screening, coat on the single face or two sides of composition of this sheet metal and miniature bead, to reach required optical effect.This miniature bead combination and unitized construction thereof also can be used on combination through other suitable optical lens of screening, for example plano-convex lens, biconvex lens, Fresnel Lenses (fresnel lens) 1644, anamorphote (anamorphotic lens) 1633 or the like, a kind of combination wherein can be used for adjusting the system effect that imagescope is improved in the light path path.These fundamental characteristics are through the optical lens of screening, for example plano-convex lens, biconvex lens, Fresnel Lenses (fresnel lens) 1644, anamorphote (anamorphotic lens) 1633 or the like, also can utilize similar way of the present invention, with these lens by after making the lens arra combination in conjunction with carrying synusia or sheet metal, the other parts of the present invention of arranging in pairs or groups again, a kind of combination wherein can be used for adjusting the system effect that imagescope is improved in the light path path.

Though above-mentioned various embodiment specifically describe invention intention of the present invention, but these embodiment can not be considered as necessary condition of the present invention, and known related process person also knows that the present invention still can adopt various mode to be implemented and is not subject to mode contained in this instructions.The reference of being put down in writing in this instructions that only supplies enforcement.

Claims (29)

1. a light field is improved combination, and it comprises:

At least one micro lens and the carrying synusia group that one deck can the bearing micro lens at least, it is characterized by, this micro lens can adopt mould to make, and this micro lens possesses required physics and optical characteristics, this micro lens is attached each characteristic and the optical axis direction of adjusting incident ray on carrying synusia group, to form suitable light field.

2. light field as claimed in claim 1 is improved combination, and wherein this carrying synusia group is an optical material, and a wherein surface of this structure is provided with several layers of anti-reflective film.

3. light field as claimed in claim 1 is improved combination, and wherein this mould is to make with laser cutting, photolithography, chemical etching, electroforming and galvanochemistry processing method.

4. a light field is improved combined application system, and it comprises at least one group of micro lens group as claimed in claim 1.

5. light field as claimed in claim 4 is improved combined application system, and it can further make up through the lens of the plano-convex lens of screening, biconvex lens, Fresnel Lenses, anamorphote with the specific fundamental characteristics that is selected from.

6. light field as claimed in claim 4 is improved combined application system, and wherein this micro lens group and carrying synusia all are attached to the reflection horizon material.

7. light field as claimed in claim 4 is improved combined application system, and wherein the physics of at least one micro lens and optical characteristics are different with other micro lens.

8. light field as claimed in claim 4 is improved combined application system, wherein this micro lens surface structure of containing diffusion material or having astigmatic characteristic.

9. light field as claimed in claim 4 is improved combined application system, and wherein this micro lens group is glutinous places the position on the carrying synusia to have fixing cycle or on-fixed cycle.

10. light field as claimed in claim 4 is improved combined application system, and wherein this micro lens group has symmetry or asymmetric external form.

11. light field as claimed in claim 4 is improved combined application system, wherein this micro lens group has the concavees lens characteristic or has the convex lens characteristic light source.

12. light field as claimed in claim 4 is improved combined application system, wherein makes to have the hole array on this carrying synusia, the carrying synusia is to be made by lighttight material, and light can penetrate this hole and not be affected.

13. light field as claimed in claim 4 is improved combined application system, wherein this carrying synusia has not been provided with the hole array, and the material that carries synusia and be by printing opacity makes.

14. a light field is improved combination, it comprises:

At least one micro lens and the carrying synusia that one deck can the bearing micro lens at least; it is characterized by; wherein this micro lens is by the micro glass bead of diameter at ball-type more than 10 microns or non-sphere; or the miniature bead of the suitable material of other ball-type or non-sphere combines, and the micro glass bead or the physics of the miniature bead of the suitable material of other ball-type or non-sphere and optical characteristics are all according to using required being selected.

15. light field as claimed in claim 14 is improved combination, its lay simple layer micro glass bead and is directly contacting the carrying synusia on the one side of carrying synusia.

16. light field as claimed in claim 15 is improved combination; wherein between this micro glass bead, be coated with one deck adhesive agent; and all according to using required being selected, coating thickness is that the thickness after making adhesive agent solidify must reach 0.5 times that is not more than the micro glass bead or the height of the miniature bead of other suitable material for the physics of this adhesive agent and optical characteristics.

17. light field as claimed in claim 16 is improved combination, it is provided with the material of layer of transparent at least or opaque or extinction in addition on the adhesive agent that ground floor has cured.

18. improve combination as claim 16 or 17 described light fields; wherein this material transparent or opaque or extinction is the potpourri of carbon black and suitable macromolecular material; all according to using required being selected, the thickness of coating is to make the thickness after the material cured must reach 0.5 times that is not more than the micro glass bead or the height of the miniature bead of other suitable material for the physics of these materials and optical characteristics.

19. light field as claimed in claim 16 is improved combination, it is provided with layer of material again on the material of transparent or the opaque or extinction that the second layer has cured, and the physics of this layer material and optical characteristics are all according to using required being selected.

20. light field as claimed in claim 14 is improved combination, it can make up with other optical lens that is selected from plano-convex lens, biconvex lens, Fresnel Lenses, anamorphote, to adjust the light path path, improves the system effect of imagescope.

21. light field as claimed in claim 14 is improved combination, wherein this carrying synusia is one to have the sheet metal of micropore hole array or the net of hole array is arranged, and makes the some of miniature bead directly protrude in the another side of hole.

22. a light field is improved combined application system, it comprises at least one group of micro lens group as claim 14, and it can be more further makes up through the lens of the plano-convex lens of screening, biconvex lens, Fresnel Lenses, anamorphote with the specific fundamental characteristics that is selected from.

23. light field as claimed in claim 4 is improved combined application system, wherein has micro lens on single on two carrying synusia, and coheres mutually with the another sides of two carrying synusia.

24. light field as claimed in claim 4 is improved combined application system, wherein has micro lens on the carrying synusia, attaches on the stilt with the carrying synusia again.

25. light field as claimed in claim 4 is improved combined application system, wherein is respectively with micro lens on two carrying synusia, two carrying synusia is attached to respectively on the two sides, front and back of a stilt again.

26. light field as claimed in claim 4 is improved combined application system, wherein this micro lens group is after making at least one carrying synusia, high reflecting material shop is overlying on the micro lens, is reflected after the optical characteristics that makes incident light pass through the micro lens group is adjusted.

27. light field as claimed in claim 1 is improved combination, wherein at least one carrying synusia contains a kind of following material at least: reflection material, light tight material, printing opacity material, metal material, photaesthesia material, extinction material, auroral poles material, light retardation material, astigmatic material, prismatic mirror material.

28. light field as claimed in claim 1 is improved combination, the auroral poles direction that wherein should carry the synusia group is different with the auroral poles direction of light source.

29. light field as claimed in claim 1 is improved combination, it can make up with other optical lens that is selected from plano-convex lens, biconvex lens, Fresnel Lenses, anamorphote, to be used for adjusting the light path path, improves the system effect of imagescope.

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