CN207281457U - Horizontal raster projection screen - Google Patents
Horizontal raster projection screen Download PDFInfo
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- CN207281457U CN207281457U CN201721456840.4U CN201721456840U CN207281457U CN 207281457 U CN207281457 U CN 207281457U CN 201721456840 U CN201721456840 U CN 201721456840U CN 207281457 U CN207281457 U CN 207281457U
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- pillar
- film layer
- projection screen
- plane
- grating film
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Abstract
A kind of horizontal raster projection screen, it is characterized in that, it includes pillar concave grating film layer, the convex pillar part of several parallel intervals is equipped with a side external surface of pillar concave grating film layer, the convex pillar part protrudes from the side surface of the pillar concave grating film layer, and is integrally formed with pillar concave grating film layer.The utility model by by pillar concave grating layer structure into several spaced convex pillar parts, and convex pillar part is caused to protrude from the surface of pillar concave grating film layer, so as to block and absorb ambient light using the convex pillar part laterally set, so as to effectively reduce influence of the ambient light to imaging picture, the projection screen made can not be disturbed by ambient light.It is spaced between its convex pillar part of the pillar concave grating film layer of the utility model, thus be easy to demould during processing, it is especially advantageous for processing, it is greatly improved processing efficiency and reduces processing cost.The horizontal raster projection screen of the utility model has the characteristics that simple in structure, easy to process, it has very strong practicality.
Description
【Technical field】
Projection screen is the utility model is related to, more particularly to a kind of interference for reducing ambient light to projection screen, so that
Projection screen is set to be imaged apparent and easy to manufacture horizontal raster projection screen.
【Background technology】
Application of the projection screen in life is very extensive, its be mainly used in large conference room, command and control center,
The occasions such as training education structure, meeting room, exhibition room, exhibition center, airport, show window；However, in reality, projection screen is in various light
Under thread environment, especially in bright ambient light under environment, its surface is projected by strong light, it is easy to causes to be imaged picture not
Clearly, uneven, dazzle, white haze shape are serious.It is well known that if projection screen imaging picture white haze shape (picture turns white) is serious
If, contrast and the brightness of picture can be substantially reduced, so that it is unclear to easily lead to user's viewing, and then loses itself
Displaying, demonstration or advertising results.To sum up, interference of the ambient light to imaging picture can't be effectively solved in the prior art
And influence.And on the market, it is fewer and fewer to the projection screen that is disturbed of imaging picture to be effective against ambient light, Er Qieneng
Realize the projection screen of this effect, its usual processed complex, yields is low.Therefore, shadow of the ambient light to imaging picture is solved
Ring, a kind of new ambient light that is effective against of design is to being imaged the interference of picture, and the convenient projection screen processed
Curtain has become where the trend of technology development.
【Utility model content】
The purpose of the utility model is to solve the above problems and to provide a kind of horizontal stroke for being imaged apparent, the easy to process production of picture
To optical grating projection screen.
To achieve the above object, the utility model provides a kind of horizontal raster projection screen, it is characterised in that it includes
Pillar concave grating film layer, is equipped with the convex pillar part of several parallel intervals on a side external surface of the pillar concave grating film layer,
The convex pillar part protrudes from the side surface of the pillar concave grating film layer.
The convex pillar part is integrally formed with the pillar concave grating film layer.
The shape of each convex pillar part is consistent, and the distance being spaced between two neighboring convex pillar part is consistent.
The convex pillar part is in the form of a column, its longitudinal section semicircular in shape.
The convex pillar part is in the form of a column, and it is in plane tablet that it, which is equipped with outer surface in the arc sections and outer surface of arc-shaped,
Portion, the flat part are integrally formed between the outer surface of the arc sections and the pillar concave grating film layer.
The flat part is equipped with opposite the first plane and the second plane, first plane and the second plane respectively with institute
The outer surface for stating pillar concave grating film layer is vertical.
The flat part is equipped with opposite the first plane and the second plane, first plane and the second plane respectively with institute
The outer surface for stating pillar concave grating film layer tilts in obtuse angle.
First plane and the second plane are symmetric along the central plane of the arc sections, first plane and the
One end of two planes is connected with the arc sections, its other end is connected with the outer surface of the pillar concave grating film layer.
It further includes projection screen base material, the projection screen base material is compound in the pillar concave grating film layer and pillar
On the opposite another side external surface in portion.
The pillar concave grating film layer is made of PVC material.
The favorable attributes of the utility model are that it efficiently solves the above problem.The utility model passes through in projection screen
One layer of pillar concave grating film layer of surface recombination of curtain base material, and by by pillar concave grating layer structure into mutual with several
The convex pillar part at interval, and cause convex pillar part to protrude from the surface of pillar concave grating film layer, so as to utilize the pillar laterally set
Ambient light is blocked and absorbed in portion, and so as to effectively reduce ambient light to being imaged the influence of picture, the projection screen that makes can be from
The interference of ambient light.It is integrally formed the pillar concave grating film layer of the utility model by PVC material, between its convex pillar part each other
Every, thus be easy to demould during processing, it is especially advantageous for processing, it is greatly improved processing efficiency and reduces processing cost.This
The horizontal raster projection screen of utility model has the characteristics that simple in structure, easy to process, it has very strong practicality, preferably big
Push wide.
【Brief description of the drawings】
Fig. 1 is the structure diagram of pillar concave grating film layer.
Fig. 2 is another structure diagram of pillar concave grating film layer.
Fig. 3 is another structure diagram of pillar concave grating film layer.
Fig. 4 is the structure diagram of the utility model.
Fig. 5 is the process principle schematic diagram of pillar concave grating film layer.
Fig. 6 is principle schematic when the utility model is just throwing use.
Fig. 7 is principle schematic when the utility model rear-projection uses.
Wherein, pillar concave grating film layer 10, convex pillar part 11, arc sections 111, flat part 112, the first plane 1121, second
Plane 1122, projection screen base material 20, projector equipment 30, mould 40, groove 41.
【Embodiment】
The following example is being explained further and supplementing to the utility model, does not form any limit to the utility model
System.
As shown in Fig. 1~Fig. 7, the horizontal raster projection screen of the utility model includes pillar concave grating film layer 10 and projection
Screen base 20, it is effective against ambient light interference caused by imaging picture, solves image fault, brightness decline, white haze
The problems such as shape is serious.The horizontal raster projection screen of the utility model is simple in structure, is highly susceptible to fabricating, it has very strong
Practicality.
As shown in Figure 1 to 4, the pillar concave grating film layer 10 is used to block ambient light and absorb ambient light, so as to drop
Low ambient light is disturbed caused by projected picture, and then improves imaging image quality.The pillar concave grating film layer 10 can both answer
Together in the front side surface of the projection screen base material 20, the rear side surface of the projection screen base material 20 can be also compound in.Use
When, the pillar concave grating film layer 10 should be towards spectators.One side surface of the pillar concave grating film layer 10 is plane, its
Opposite side is on-plane surface, it is in a plane side surface for for composite with the projection screen base material 20, it is in non-flat
One side surface of planar is used to keep out ambient light and improve image quality, it is when in use towards spectators.
As shown in FIG. 1 to 3, effectively to block and absorbing ambient light, outside the side of the pillar concave grating film layer 10
Surface is equipped with the convex pillar part 11 of several parallel intervals.The convex pillar part 11 and the one of the pillar concave grating film layer 10 into
Type, it protrudes from the side surface of the pillar concave grating film layer 10.The convex pillar part 11 is so that the pillar concave grating film layer
10 side surface is in non-planar.In use, the side that the convex pillar part 11 is watched toward spectators.
As shown in Figure 1 to 4, the convex pillar part 11 is in the form of a column, it is by one end of pillar concave grating film layer 10 along its width
Direction extends laterally to its other end and is formed.For ease of fabricating, in the present embodiment, the shape of each convex pillar part 11 is consistent,
The distance between two neighboring convex pillar part 11 is consistent.In other embodiment, the shape of each convex pillar part 11 also can be not quite identical, phase
The distance between adjacent two convex pillar parts 11 also can be not quite identical.
In certain embodiments, the convex pillar part 11 can be arranged to semi-cylindrical, its longitudinal section semicircular in shape, it is as schemed
Shown in 3.
In certain embodiments, as shown in Figure 1 and Figure 2, the convex pillar part 11 can be arranged to following shape：With appearance
Face is in plane flat part 112 in the arc sections 111 and outer surface of arc-shaped.The arc sections 111 can be semicircular
It is (as shown in Figure 2) or non-semicircular (as shown in Figure 1).The arc sections 111 and the one of the flat part 112 into
Type, the flat part 112 are connected between the outer surface of the arc sections 111 and the pillar concave grating film layer 10.It is described flat
Plate portion 112 is equipped with opposite the first plane 1121 and the second plane 1122.First plane, 1121 and second plane, 1122 edge
The width of pillar concave grating film layer 10 extends laterally.First plane, 1121 and second plane 1122 is along the arc sections
111 central plane is symmetric, and one end of first plane 1121 and the second plane 1122 is held in the mouth with the arc sections 111
Connect, its other end is connected with the outer surface of the pillar concave grating film layer 10.In certain embodiments, as shown in Fig. 2, described
One plane 1121 and the second plane 1122 are parallel to each other, it is respectively perpendicular to the outer surface of the pillar concave grating film layer 10.This
In embodiment, as shown in Figure 1, first plane 1121 and the second plane 1122 are not parallel, its respectively with the pillar
The outer surface of concave grating film layer 10 tilts in obtuse angle.In the present embodiment, between two neighboring convex pillar part 11 between most narrow portion position
Apart from preferably 0.35mm, 0.15mm is preferably dimensioned to be at the widest part position of single convex pillar part 11, single convex pillar part 11 protrudes
Highly preferred in 10 surface of pillar concave grating film layer is 0.2mm.
The pillar concave grating film layer 10 can be made in the following manner：As shown in figure 5, first make and pillar face light
The mould 40 that a non-planar side surface for grid film layer 10 matches, which, which is equipped with, to be inlayed with the convex pillar part 11
Groove 41；Then the coated and molded material in the groove 41 so that the full groove 41 of moulding material filling, and cover mould
The surface certain thickness of tool 40.Thereafter demoulded, can be obtained with the convex of convex pillar part 11 after material solidification shaping to be filled
Cylindrical grating film layer 10.Since the convex pillar part 11 is spaced, and it is made of arc sections 111 and flat part 112, and flat
The first plane 1121 and the second plane 1122 of plate portion 112 are inclined, thus it is highly susceptible to filling and demoulds, beneficial to adding
Work goes out the pillar concave grating film layer 10 of qualification.Certainly, the pillar concave grating film layer 10 can be also made using other techniques, this reality
Apply example and do not enumerate its processing technology.The pillar concave grating film layer 10 can be made of a variety of materials, in the present embodiment, its by
PVC material is made.
Obtained pillar concave grating film layer 10, can be compound on the projection screen base material 20, example by known mode
Such as, the pillar concave grating film layer 10 can be bonded on a side surface of the projection screen base material 20 by adhesive, made
Convex pillar part 11 and the projection screen base material 20 are located at the opposite both sides of the pillar concave grating film layer 10 respectively.
By the way that pillar concave grating film layer 10 is combined with each other with projection screen base material 20, the utility model is just formd
Horizontal raster projection screen.The horizontal raster projection screen of the utility model both can just be thrown, can also rear-projection.When for just throwing
When, the pillar concave grating film layer 10 is preferably processed into light film layer, such as white shape, grey shape, silver color shape, the projection screen
Curtain base material 20 is preferably in then black.When for rear-projection, the pillar concave grating film layer 10 then with the projection screen base material 20
It is preferably homochromy, such as black, grey.
Thereby, the horizontal raster projection screen of the utility model is just formd：It is by pillar concave grating film layer 10 and projection
Screen base 20 is combined, and the convex pillar part 11 of parallel interval is equipped with the outer surface of pillar concave grating film layer 10, by this
Convex pillar part 11, can effectively block ambient light and absorb ambient light, so as to improve the contrast of projected picture so that projection
Picture is apparent, and visual effect is more preferably.
It improves the principle of projected picture display effect for convenience of description, as shown in fig. 6, the utility model is made with its positive throwing
Illustrated exemplified by used time, when rear-projection can then be analogized (its is as shown in Figure 7) according to the principle：
In use, as shown in fig. 6, projector equipment 30 is placed in the front of the horizontal raster projection screen of the utility model.
A in Fig. 6 is to the view direction for representing spectators, and B is to representing ambient light incident direction.Typically, the light source of ambient light is general
Higher than the position of spectators, it is usually located at the front upper place of projection screen, such as sunlight, fluorescent lamp etc., therefore, when ambient light is from throwing
When the oblique upper of shadow screen is irradiated, it can be blocked by spaced convex pillar part 11, and be sponged, so that ambient lighting
Penetrate less than the lower section of convex pillar part 11 or few partial illumination to the lower section of convex pillar part 11, i.e., it is flat between two neighboring convex pillar part 11
Face region.And for horizontal raster projection screen, its main effective imaging surface is between two neighboring convex pillar part 11
Plane domain, when the ambient light being irradiated on the plane domain substantially reduces, ambient light just cannot be on this plane domain
The projected picture being imaged causes excessive interference so that the picture being imaged on the plane domain become apparent from,
Contrast higher, brightness higher.And people, when normally watching projected picture, it is generally with the visual angle slightly looked up or parallel visual angle
Watched, thus, after the light of projected picture enters pupil, will forming imaging in human eye, picture is apparent, contrast
The brighter visual experience of higher, brightness, and then a very clear very perfect picture is presented to user.
It should be noted that shut out the light and light-absorbing effect although the convex pillar part 11 has, due to projection
The position that equipment 30 is set is typically not greater than the top edge of projection screen, its light projected overwhelming majority can reach effectively imaging
It is imaged on face, only few part can be blocked absorption by convex pillar part 11, but human eye can not distinguish so trickle difference
Different, therefore, the visual pattern that this part is blocked or absorbed light will not finally experience user has influenced, and uses
Family it is sensitive be still even and continuous clear picture, can only feel this compared to existing projection screen, user
The projection screen of utility model is imaged apparent picture, contrast higher, brightness higher, its image quality is more preferable.
Although being disclosed by above example to the utility model, the scope of the utility model is not limited to
In this, under conditions of conceiving without departing from the utility model, it is similar that each component of the above can use technical field personnel to understand
Or equivalent element is replaced.
Claims (10)
1. a kind of horizontal raster projection screen, it is characterised in that it includes pillar concave grating film layer (10), in pillar face light
One side external surface of grid film layer (10) is equipped with the convex pillar part (11) of several parallel intervals, and the convex pillar part (11) protrudes from institute
State the side surface of pillar concave grating film layer (10).
2. horizontal raster projection screen as claimed in claim 1, it is characterised in that the convex pillar part (11) and the pillar face
Grating film layer (10) is integrally formed.
3. horizontal raster projection screen as claimed in claim 1, it is characterised in that the shape of each convex pillar part (11) is consistent, phase
The distance being spaced between adjacent two convex pillar parts (11) is consistent.
4. horizontal raster projection screen as claimed in claim 1, it is characterised in that the convex pillar part (11) is in the form of a column, it is vertical
Section semicircular in shape.
5. horizontal raster projection screen as claimed in claim 1, it is characterised in that the convex pillar part (11) is in the form of a column, it sets
It in the arc sections (111) and outer surface of arc-shaped is in plane flat part (112) to have outer surface, the flat part (112) one
Body is formed between the outer surface of the arc sections (111) and the pillar concave grating film layer (10).
6. horizontal raster projection screen as claimed in claim 5, it is characterised in that the flat part (112) is equipped with opposite
First plane (1121) and the second plane (1122), first plane (1121) and the second plane (1122) respectively with it is described convex
The outer surface of cylindrical grating film layer (10) is vertical.
7. horizontal raster projection screen as claimed in claim 5, it is characterised in that the flat part (112) is equipped with opposite
First plane (1121) and the second plane (1122), first plane (1121) and the second plane (1122) respectively with it is described convex
The outer surface of cylindrical grating film layer (10) tilts in obtuse angle.
8. horizontal raster projection screen as claimed in claims 6 or 7, it is characterised in that first plane (1121) and
Two planes (1122) are symmetric along the central plane of the arc sections (111), first plane (1121) and the second plane
(1122) one end is connected with the arc sections (111), its other end and the outer surface of the pillar concave grating film layer (10) connect
Connect.
9. horizontal raster projection screen as claimed in claim 1, it is characterised in that it further includes projection screen base material (20),
The projection screen base material (20) is compound in outside the opposite side opposite with convex pillar part (11) of the pillar concave grating film layer (10)
On surface.
10. horizontal raster projection screen as claimed in claim 9, it is characterised in that the pillar concave grating film layer (10) by
PVC material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721456840.4U CN207281457U (en) | 2017-11-05 | 2017-11-05 | Horizontal raster projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721456840.4U CN207281457U (en) | 2017-11-05 | 2017-11-05 | Horizontal raster projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207281457U true CN207281457U (en) | 2018-04-27 |
Family
ID=61978902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721456840.4U Active CN207281457U (en) | 2017-11-05 | 2017-11-05 | Horizontal raster projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207281457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462569A (en) * | 2020-12-07 | 2021-03-09 | 苏州海盛翔和光显科技有限公司 | Multi-point touch light-resistant hard glass rear-projection ink crystal screen |
-
2017
- 2017-11-05 CN CN201721456840.4U patent/CN207281457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462569A (en) * | 2020-12-07 | 2021-03-09 | 苏州海盛翔和光显科技有限公司 | Multi-point touch light-resistant hard glass rear-projection ink crystal screen |
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