CN207133573U - Orthographic projection printing opacity projection screen and optical projection system - Google Patents

Abstract

The utility model provides a kind of orthographic projection printing opacity projection screen and optical projection system, is related to projection display technique field.The orthographic projection printing opacity projection screen includes screen base, one side surface of the screen base is arranged at intervals with multiple imaging matrixes, mixed with scattering particles in the imaging matrix, the imaging matrix and the adjacent side inclined-plane of the screen base be coated with light-absorption layer, and multiple interval regions being imaged between matrixes in the screen base are provided with transparent area.Relative to prior art, projection screen provided by the utility model makes beholder to see the projected image on screen, and can enough sees the scene after screen back by the transparent area being distributed on screen, and two-way light is not interfere with each other, being perfectly combined for image information display is realized, dual visual enjoyment is provided for beholder.Meanwhile the light-absorption layer for being imaged matrix surface coating can effectively absorb ambient light and other veiling glares, greatly enhance the anti-light ability of screen.

Description

Orthographic projection printing opacity projection screen and optical projection system

Technical field

The utility model is related to projection display technique field, in particular to a kind of orthographic projection printing opacity projection screen and Optical projection system.

Background technology

At present, widely used projection screen generally can be divided into the reflective, class of transmission-type two in field of projection display.Its In, reflective to be used to just throw, transmission-type is used for rear-projection.

Reflective projection screen is applied to observer and projector is in the situation of the same side.Display image is thrown by projector It is mapped on reflective projection screen, and finally reflexes in the eye of observer.

Transmissive projection screen is then applied to observer and projector is respectively at the situation of projection screen both sides.Now, The screen is passed through by the light beam on the projector to projection screen of screen side, and incides the sight positioned at screen opposite side In the person's of examining eye.

The projection screen of two kinds of above-mentioned main flows, it can only observe what is shown on projection screen, be projected out by projector Piece image.

However, in stage performance, Window Display or some special occasions, it is necessary to foreground image can be presented, while Can see that the demand of background content is more and more, and existing implementation method be shown with transparent liquid crystal, transparent OLED shows, is unreal Shadow is shown or projecting holographic screen display etc., and these methods can obtain relatively good display effect, still, because its projection is former The limitation of reason, for need high brightness, oversize prospect display picture demand, but never good solution.

Utility model content

The purpose of this utility model is to provide a kind of orthographic projection printing opacity projection screen and optical projection system, and it can effectively change Kind above mentioned problem.

What embodiment of the present utility model was realized in：

In a first aspect, the utility model embodiment provides a kind of orthographic projection printing opacity projection screen, it includes screen base, One side surface of the screen base is arranged at intervals with multiple imaging matrixes, and the imaging matrix is interior mixed with scattering particles, described Imaging matrix and the adjacent side inclined-plane of the screen base are coated with light-absorption layer, multiple imagings in the screen base Interval region between matrix is provided with transparent area, and projected light incides the imaging matrix by the side of the screen base On, reflected and be emitted along the direction away from the screen base, bias light incides institute by the opposite side of the screen base State in screen base, transmitted through the transparent area in the screen base, and be emitted along with the projected light identical direction reflected.

In the utility model preferred embodiment, the imaging matrix is shaped as linear strip or non-linear strip Shape.

In the utility model preferred embodiment, the cross sectional shape of the imaging matrix is triangle or quadrangle or fan Shape.

In the utility model preferred embodiment, the shape of the multiple imaging matrix is all identical.

In the utility model preferred embodiment, in the multiple imaging matrix between two adjacent imaging matrixes It is spaced identical.

In the utility model preferred embodiment, the transparent area is uniformly arranged in the screen base.

In the utility model preferred embodiment, the scattering particles of doping is titanium dioxide in the imaging matrix At least one of silicon, titanium dioxide, silver powder, aluminium powder.

In the utility model preferred embodiment, the visible-light absorptivity of the light-absorption layer is more than or equal to 10%.

In the utility model preferred embodiment, the visible light transmissivity of the transparent area is more than or equal to 10%.

Second aspect, the utility model embodiment additionally provide a kind of optical projection system, and it includes orthographic projection as described above Printing opacity projection screen and projector, the screen base that the projector is arranged in the orthographic projection printing opacity projection screen are provided with The side of matrix is imaged, the projected light sent by the projector is incided on the imaging matrix, is reflected and along away from institute The direction outgoing of screen base is stated, bias light is incided in the screen base by the opposite side of the screen base, through described Transparent area transmission in screen base, and be emitted along with the projected light identical direction reflected.

The orthographic projection printing opacity projection screen and optical projection system that the utility model embodiment provides, by the one of screen base Side surface is arranged at intervals multiple imaging matrixes, and multiple spacer regions being imaged between matrixes in the screen base Domain sets transparent area, and projection screen is divided into for the imaging area of Projection Display and for the transparent area through bias light.Wherein, It is imaged mixed with scattering particles in matrix, it can change over the index distribution as matrix, so that imaging matrix can be anti- Penetrate incident projected light in front of projection screen；And the bias light of the projection screen behind then printing opacity by being set in screen base Area, to be transmitted to the front of screen with the projected light identical direction reflected.Meanwhile the imaging matrix and the screen base The adjacent side inclined-plane of material is coated with light-absorption layer, and it can effectively absorb ambient light and other veiling glares, greatly strengthen screen Anti-light ability.Compared to the prior art, orthographic projection printing opacity projection screen provided by the utility model and optical projection system make viewing Person can either see the projected image reflected on screen, and and can enough sees the field after screen back by the transparent area being distributed on screen Scape, and the two-way light of projected light and bias light is not interfere with each other, and is realized being perfectly combined for image information display, is carried for beholder Dual visual enjoyment is supplied, its structure is simplified, cost is cheap, can be very good solve the demand that large area prospect is shown.

Brief description of the drawings

, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.

Fig. 1 is the structural representation for the orthographic projection printing opacity projection screen that the utility model first embodiment provides；

Fig. 2 is the structural representation of the imaging matrix for the linear strip that the utility model first embodiment provides；

Fig. 3 is the structural representation of the imaging matrix for the non-linear strip that the utility model first embodiment provides；

Fig. 4 is the structural representation that second of cross sectional shape that the utility model first embodiment provides is imaged matrix；

Fig. 5 is the structural representation that the third cross sectional shape that the utility model first embodiment provides is imaged matrix；

Fig. 6 is the structural representation that the 4th kind of cross sectional shape that the utility model first embodiment provides is imaged matrix；

Fig. 7 is the structural representation that the 5th kind of cross sectional shape that the utility model first embodiment provides is imaged matrix；

Fig. 8 is the structural representation of the imaging matrix for the multiple section combination of shapes that the utility model first embodiment provides Figure；

Fig. 9 is the structural representation that the setting that the utility model first embodiment provides is spaced different imaging matrixes；

Figure 10 is the structural representation for the screen base that the dorsal part that the utility model first embodiment provides is provided with light-absorption layer Figure；

Figure 11 is the structural representation for the optical projection system that the utility model second embodiment provides.

Icon：100- screen bases；200- is imaged matrix；300- light-absorption layers；400- transparent areas；500- projectors；1000- Orthographic projection printing opacity projection screen；2000- optical projection systems.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be configured to arrange and design with a variety of.

Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.

, it is necessary to explanation in description of the present utility model, term " in ", " on ", " under ", "left", "right", " interior ", The orientation or position relationship of instructions such as " outer " are or the utility model product based on orientation shown in the drawings or position relationship The orientation or position relationship usually put during use, it is for only for ease of description the utility model and simplifies description, without referring to Show or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage Solve as to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and can not manage Solve to indicate or implying relative importance.

In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and It is to be slightly tilted.Such as " level " only refers to that its direction is more horizontal with respect to for " vertical ", is not to represent the structure Must be fully horizontal, but can be slightly tilted.

In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, Or it is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through It is indirectly connected, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition Solve concrete meaning of the above-mentioned term in the utility model.

In addition, the term such as " input ", " output ", " feedback ", " formation " is understood as describing a kind of optics, electricity change Or optics, electricity processing.As " is formationed " only refer to optical signal or electric signal by the element, instrument or device afterwards there occurs Change optically or electrically so that the optical signal or the electric signal are processed, and then are obtained and implemented technical scheme Or the signal required for solution technical problem.

In specific embodiment of the utility model accompanying drawing, for more preferable, clearer description orthographic projection printing opacity projection The operation principle of each element in screen and optical projection system, the annexation of each several part in described device is showed, it is simply obvious to distinguish Relative position relation between each element, can not be formed to the optical path direction in element or structure, the order of connection and each portion The restriction of separation structure size, size, shape.

First embodiment

Fig. 1 is refer to, present embodiments provides a kind of orthographic projection printing opacity projection screen 1000, it includes screen base 100, One side surface of the screen base 100 is arranged at intervals with multiple imaging matrixes 200, and the imaging matrix 200 is interior mixed with scattering Particle, the imaging matrix 200 and the adjacent side inclined-plane of the screen base 100 are coated with light-absorption layer 300, the screen base The interval region between multiple imaging matrixes 200 on material 100 is provided with transparent area 400.

For orthographic projection printing opacity projection screen 1000 in the present embodiment when being shown as picture, projected light is by the screen base 100 side is incided on the imaging matrix 200, is reflected and is emitted along the direction away from the screen base 100；Background Light is incided in the screen base 100 by the opposite side of the screen base 100, through the printing opacity in the screen base 100 Area 400 transmits, and is emitted along with the projected light identical direction reflected.

It is understood that the side that the screen base 100 is provided with imaging matrix 200 can be regarded as the present embodiment The front (or observation side) of the orthographic projection printing opacity projection screen 1000 of offer, and the screen base 100 is not provided with being imaged base The side of body 200 can be regarded as the rear (or background side) of orthographic projection printing opacity projection screen 1000.When the eyes position of observer When the front of orthographic projection printing opacity projection screen 1000 and the face orthographic projection printing opacity projection screen 1000, observer can either see To the projected light reflected by imaging matrix 200, while and can is enough seen by just throwing by the transparent area 400 in screen base 100 The bias light of the scene transmitting (or reflection) at the rear of shadow printing opacity projection screen 1000, i.e., before observer can see screen simultaneously The projected image of side and the scene (image that material object, performance or other display equipment are shown) at screen rear, are realized rich in layer The dual display of forward and backward scape of secondary sense.

It refer to Fig. 2 and Fig. 3, in the present embodiment, the shape of the imaging matrix 200 can be seamed edge as shown in Figure 2 Linear strip or seamed edge as shown in Figure 3 for straight line are the non-linear strip of curve.

In the present embodiment, multiple imaging matrixes 200 are distributed in described with the linear strip being parallel to each other or non-linear strip The observation side surface (preceding surface) of screen base 100.It is understood that the imaging matrix 200 can be parallel to screen base Certain of material 100 is while setting, can also be set at an angle on one side with certain of the screen base 100.

In the present embodiment, the shape of the multiple imaging matrix 200 is all identical.Particularly, it is distributed in screen base 100 The shape of multiple imaging matrixes 200 on surface can also be incomplete same, such as can be linear strip and non-linear Any combination of strip.It is understood that when the shape of the multiple imaging matrix 200 is all identical, screen base Prospect imaging area on 100 is evenly distributed, and has preferable prospect imaging (projection photoimaging) effect.

It refer to Fig. 1, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, in the present embodiment, the cross sectional shape of the imaging matrix 200 can be It is diversified, it can be non-parallel quadrangle as shown in Figure 1, can be right-angled trapezium as shown in Figure 4, can be such as Fig. 5 Shown right angled triangle, can be fan-shaped or as shown in Figure 7 acute triangle as shown in Figure 6, or other by The polygon that a plurality of straight line or curved side are formed.It is understood that the length of side, the angle in imaging matrix 200 section It is designed according to specific application environment, to realize optimal display effect in the application environment.

Particularly, the shape of the light-absorption layer 300 coated on imaging matrix 200 surface can be according to imaging matrix 200 Shape designed accordingly.Such as shown in Fig. 7, the thickness of light-absorption layer 300 is from screen base 100 to imaging matrix 200 Front end it is gradually thinning, this be designed to ensure light-absorption layer 300 possess under the structure of imaging matrix 200 shown in Fig. 7 preferably Veiling glare absorbability.

Fig. 8 is refer to, as a kind of specific embodiment, the section of multiple imaging matrixes 200 in screen base 100 Shape can be incomplete same, for example, in Fig. 8 quadrangle and triangle combination.It should be noted that shown in Fig. 8 The simply one of which of all possible different cross section shape combination, it is possibility to have the combination of other shapes.

In the present embodiment, the interval in the multiple imaging matrix 200 between two adjacent imaging matrixes 200 can be Identical (refer to Fig. 1) or different (refer to Fig. 9).It is likewise, simply all possible shown in Fig. 9 With one kind in the imaging structure of matrix 200 of different interval setting or the structure being spaced apart otherwise.

In the present embodiment, the transparent area 400 can be uniformly arranged in the screen base 100, can also be uneven Be arranged in the screen base 100, the width of the transparent area 400, area can be according to the distribution knots of imaging matrix 200 Structure is designed accordingly.

Particularly, the spacing distance being imaged between matrix 200 needs not be equal to the width of transparent area 400, adjacent two The width for the transparent area 400 being imaged between matrix 200 is no more than the spacing distance between the two imaging matrixes 200.

Accordingly, absorbance region can also be arranged at intervals in the screen base 100, the extinction area in screen base 100 Domain does not influence the projection imaging in front of screen, the imaging of the bias light at screen rear can be only influenceed, between adjacent absorbance region Interval can be transparent area 400 width, the position of absorbance region can be with the position correspondence of imaging matrix 200.It can manage Solve, the absorbance region in the screen base 100 can be the structure of screen base 100 itself or pass through it His form is arranged on the light-absorption layer 300 (refer to Figure 10) of the dorsal part of screen base 100.

In the present embodiment, the scattering particles of doping is silica, titanium dioxide, silver powder, aluminium in the imaging matrix 200 At least one of powder.It is understood that pass through the doping scattering particles in imaging matrix 200, thus it is possible to vary imaging matrix The index distribution of 200 materials, make imaging matrix 200 that there is high visible reflectance, and then realize that reflection or scattering are (unrestrained anti- Penetrate) function of projected light.

In the present embodiment, the imaging matrix 200 can be used mixed with the high transmissive optical resin of scattering particles or heat cure Resin is made, and wet film can be first coated with screen base 100, then is molded by mould, finally by curing molding.Specific steps It is as follows：

1) it is coated with wet film：It can be the coloring diffusion layer surface coated optical in the screen base 100 made Resin or heat reactive resin, can also coating complete imaging the structure of matrix 200 after by, then will be imaged the structure of matrix 200 It is laminating by transparent glue and the coloring diffusion layer in screen base 100.

2) it is molded：The shape and structure of matrix 200 can be first imaged according to specific projector equipment parameter designing, then with accurate machine Bed processes the mould of the shape, and mould is usually cylinder mould.

3) curing molding：Coating wet film after molding is irradiated or heated with ultraviolet and carries out curing molding.

In the present embodiment, the visible-light absorptivity for being arranged on the light-absorption layer 300 of imaging matrix 200 1 side surface is more than or waited In 10%, i.e. the absorbing ability maximum of light-absorption layer 300 can be 100% extinction, and minimum can be 10% extinction.Light-absorption layer 300 Projected light of the only a few through imaging matrix 200 can be absorbed, and ambient light on screen and its are incided from other directions His veiling glare, enhances the anti-light ability of screen, improves imaging effect.

In the present embodiment, the transparent area 400 in screen base 100 can be all-transparent or coloring or non- All-transparent.Preferably, the visible light transmissivity of the transparent area 400 is more than or equal to 10%.

The orthographic projection printing opacity projection screen 1000 that the present embodiment provides can make the projection image information in front of screen The perfect imaging display in the imaging structure of matrix 200, while make the scene after screen back also can be by screen base 100 Transparent area 400 enters the sight of observer through screen, and this two classes image information is not interfere with each other, and being capable of regarding by human eye Feel that delay reaches being perfectly combined for image information, people is just watched the picture rich in stereovision before same screen Face, realize abundant visual effect.

Second embodiment

Figure 11 is refer to, present embodiments provides a kind of optical projection system 2000, it includes providing in above-mentioned first embodiment Orthographic projection printing opacity projection screen 1000 and projector 500.The projector 500 is arranged on the orthographic projection printing opacity projection screen Screen base 100 in 1000 is provided with the side of imaging matrix 200.In the present embodiment, the projector 500 can be off-axis Short focus projector 500.

In the present embodiment, on the one hand, sent by the projector 500 for being arranged on the side of screen base 100 (front) Projected light is incided on the imaging matrix 200, is reflected and is emitted along the direction away from the screen base 100, most Zhongdao Up in observer's eye；On the other hand, the bias light that scene is sent after screen back by the screen base 100 opposite side (back side) Incide in the screen base 100, transmitted (refraction) through the transparent area 400 in the screen base 100, and along with being reflected Projected light identical direction outgoing, finally also observed by observed person.

It is understood that the projector 500 is arranged on the side relative with the light-absorption layer 300 on imaging matrix 200, Such as shown in Figure 11, light-absorption layer 300 is arranged on the top of imaging matrix 200, now projector 500 is arranged on the oblique of screen Lower section, absorbed with avoiding the projected light that projector 500 is emitted from being directly incident on light-absorption layer 300.Likewise, work as light-absorption layer 300 be arranged on imaging matrix 200 lower inclined plane on when, projector 500 can be arranged on the oblique upper of screen；When light-absorption layer 300 When being arranged on the side of imaging matrix 200, projector 500 can be arranged on the opposite side relative with light-absorption layer 300.

The inclined-plane of imaging matrix 200 in screen base 100 in the present embodiment and the angle of transparent area 400 are by projector 500 parameter (projector 500 and the direction of relative position or the projected light outgoing of screen) and folding, the reflectivity decision of material, Finally so that after the imaged matrix 200 of projected light that projector 500 is incided on imaging matrix 200 with different angle reflects, collection In so that the direction of normal to screen is parallel or less parallel projects, with the Projection Display effect being optimal.

In summary, the orthographic projection printing opacity projection screen and optical projection system that the utility model embodiment provides, by shielding One side surface of curtain base material is arranged at intervals multiple imaging matrixes, and multiple imaging matrixes in the screen base it Between interval region transparent area is set, projection screen is divided into for the imaging area of Projection Display and for saturating through bias light Light area.Wherein, it is imaged mixed with scattering particles in matrix, it can change over the index distribution as matrix, so that imaging Matrix can reflect incident projected light in front of projection screen；And the bias light of projection screen behind is then by screen base The transparent area of setting, to be transmitted to the front of screen with the projected light identical direction reflected.Meanwhile it is described imaging matrix and The adjacent side inclined-plane of the screen base is coated with light-absorption layer, and it can effectively absorb ambient light and other veiling glares, greatly Enhancing screen anti-light ability.Compared to the prior art, orthographic projection printing opacity projection screen provided by the utility model and projection System makes beholder to see the projected image reflected on screen, and and can enough sees screen by the transparent area being distributed on screen The scene of curtain behind, and the two-way light of projected light and bias light is not interfere with each other, and realizes being perfectly combined for image information display, Dual visual enjoyment is provided for beholder, its structure is simplified, cost is cheap, be can be very good solution large area prospect and is shown Demand.Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for ability For the technical staff in domain, the utility model can have various modifications and variations.It is all the spirit and principles of the utility model it It is interior, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (10)

1. a kind of orthographic projection printing opacity projection screen, it is characterised in that including screen base, between a side surface of the screen base Every being provided with multiple imaging matrixes, the imaging matrix is interior mixed with scattering particles, the imaging matrix and the screen base phase Adjacent side inclined-plane be coated with light-absorption layer, and multiple interval regions being imaged between matrixes in the screen base are provided with Transparent area,

Projected light is incided on the imaging matrix by the side of the screen base, is reflected and along away from the screen base Direction outgoing,

Bias light is incided in the screen base by the opposite side of the screen base, through the transparent area in the screen base Transmission, and be emitted along with the projected light identical direction reflected.

2. orthographic projection printing opacity projection screen according to claim 1, it is characterised in that the imaging matrix is shaped as line Property strip or non-linear strip.

3. orthographic projection printing opacity projection screen according to claim 1, it is characterised in that the cross sectional shape of the imaging matrix For triangle or quadrangle or sector.

4. orthographic projection printing opacity projection screen according to claim 1, it is characterised in that the shape of the multiple imaging matrix It is all identical.

5. orthographic projection printing opacity projection screen according to claim 1, it is characterised in that adjacent in the multiple imaging matrix Two imaging matrixes between intervals it is identical.

6. orthographic projection printing opacity projection screen according to claim 1, it is characterised in that the transparent area is uniformly arranged on institute State in screen base.

7. orthographic projection printing opacity projection screen according to claim 1, it is characterised in that the institute of doping in the imaging matrix Scattering particles is stated as at least one of silica, titanium dioxide, silver powder, aluminium powder.

8. orthographic projection printing opacity projection screen according to claim 1, it is characterised in that the visible absorption of the light-absorption layer Rate is more than or equal to 10%.

9. orthographic projection printing opacity projection screen according to claim 1, it is characterised in that the visible light-transmissive of the transparent area Rate is more than or equal to 10%.

10. a kind of optical projection system, it is characterised in that including the orthographic projection printing opacity projection screen as described in any one of claim 1 to 9 Curtain and projector, the screen base that the projector is arranged in the orthographic projection printing opacity projection screen are provided with imaging matrix Side,

The projected light sent by the projector is incided on the imaging matrix, reflect and along the remote screen base Direction is emitted,

Bias light is incided in the screen base by the opposite side of the screen base, through the transparent area in the screen base Transmission, and be emitted along with the projected light identical direction reflected.