CN206002836U - Rear-projection projection hard screen used in strong light environment - Google Patents
Rear-projection projection hard screen used in strong light environment Download PDFInfo
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- CN206002836U CN206002836U CN201621057986.7U CN201621057986U CN206002836U CN 206002836 U CN206002836 U CN 206002836U CN 201621057986 U CN201621057986 U CN 201621057986U CN 206002836 U CN206002836 U CN 206002836U
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Abstract
One kind rear-projection projection hard screen used in strong light environment, it includes back projection imaging film, shutter grating layer, anti-dazzle photosphere, transparent PET film layer and transparent rigid substrate, shutter grating layer and described anti-dazzle photosphere are compound on the opposite sides surface of transparent PET film layer respectively, back projection imaging film is compound on a side surface of transparent rigid substrate, another side surface of transparent rigid substrate is then combined with shutter grating layer, shutter grating layer includes several laterally homogeneous spaced transparent microstructures and laterally homogeneous spaced light-shielding structure, light-shielding structure is uniformly distributed in and is mutually embedded with transparent microstructures between transparent microstructures, light-shielding structure is used for blocking ambient light, reduce the interference to imaging for the ambient light.This utility model blocks ambient light by spaced black light-shielding structure, thus the impact to imaging picture for the ambient light can effectively be reduced, the existing back projection film of solution is in bright environment uses the problems such as fuzzy pictures, contrast bottom.
Description
【Technical field】
This utility model is related to projection screen, reduces the interference to projection screen for the ambient light particularly to a kind of, thus
Projection screen is made to be imaged apparent rear-projection projection hard screen used in strong light environment.
【Background technology】
Application in life for the projection screen 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 subject to the projection of high light it is easy to lead to be imaged picture not
Clearly, uneven, dazzle, white haze shape are serious.If it is known that projection screen imaging picture white haze shape (picture turns white) is serious
If, contrast and the brightness of picture can be substantially reduced, thus it is unclear to easily lead to user viewing, and then lose itself
Displaying, demonstration or effect of advertising.Sum it up, can't the interference to imaging picture for the effectively solving ambient light in prior art
And impact.And on the market, ambient light can be effective against few to the imaging projection screen that disturbed of picture.Therefore,
Solve the impact to imaging picture for the ambient light, a kind of new throwing being effective against the interference to imaging picture for the ambient light of design
The trend that shadow screen has become technology development is located.
【Utility model content】
This utility model aims to solve the problem that the problems referred to above, and provides one kind to be effective against ambient light and projection imaging picture is entered
Row interference so that imaging picture is apparent, contrast is higher, brightness is higher, and using not by environment limited can be
Rear-projection projection hard screen used in strong light environment.
For achieving the above object, this utility model provides one kind rear-projection projection hard screen used in strong light environment
Curtain is it is characterised in that this projection screen includes back projection imaging film, shutter grating layer, anti-dazzle photosphere, transparent PET film layer
And transparent rigid substrate, described shutter grating layer and described anti-dazzle photosphere are compound in described transparent PET film layer respectively
On opposite sides surface, described back projection imaging film is compound on a side surface of described transparent rigid substrate, described clear hard
Another side surface of base material is then combined with described shutter grating layer, and it is horizontal that described shutter grating layer includes several
To transparent microstructures and the laterally homogeneous spaced light-shielding structure of uniform intervals setting, described light-shielding structure is uniformly distributed in
Mutually it is embedded with described transparent microstructures between described transparent microstructures, described light-shielding structure is used for blocking ambient light, reduce
The interference to imaging for the ambient light.
Described transparent rigid substrate is any in transparent glass, acrylic board, PC plate, PET, PVC board or composite plate
A kind of.
The cross section of described transparent microstructures is trapezoidal, upper bottom surface that it includes being parallel to each other, bottom surface and be connected to
Side between bottom surface and bottom surface, the bottom surface of this transparent microstructures is compound in the surface of described transparent PET film layer, and this is transparent
The upper bottom surface of micro structure is uniformly filled in two neighboring transparent parallel to the surface of described transparent PET film layer, described light-shielding structure
Between micro structure, and the surface of described light-shielding structure respectively with the flush of described transparent microstructures and make described shutter knot
Structure grating layer is in tabular.
Described back projection imaging film is cylindrical grating imaging film, and it is uniformly arranged by several structure identical piano convex cylindrical lens
Row composition, the projection face of described piano convex cylindrical lens deviates from described shutter grating layer.
Described back projection imaging film is integrally formed by several continuous piano convex cylindrical lens, the side of described back projection imaging film
Surface is in plane, and its another side surface is in wavy, and it includes several continuous and structure identical projection faces.
Described light-shielding structure is black light-shielding structure.
Described transparent microstructures are filled in institute by transparent UV gum forming, described light-shielding structure by black UV glue or black ink
State molding between transparent microstructures.
Described light-shielding structure and described transparent microstructures take shape in described transparent PET film layer by accurate UV coating process
Surface.
Described anti-dazzle photosphere being coated with by UV and be formed at described transparent PET film layer with described shutter grating layer
Relative another side surface.
Described shutter grating layer and described back projection imaging film are adhered to described clear hard by adhesive respectively
In the relative both side surface of base material.
Effective contribution of the present utility model is, it efficiently solves the problems referred to above.This utility model passes through in transparent PET
One layer of shutter grating layer of the surface recombination of film layer, by the internal spaced light-shielding structure of shutter grating layer
To hide receipts ambient light, thus the impact to imaging picture for the ambient light can effectively be reduced, the projection screen making can not be subject to ambient light
Interference, even if under the irradiation of highlighted ambient light, projection screen of the present utility model equally can present clearly projected picture,
Thus its range of application can be greatly expanded, can be not only used for no in the environment of high light it can also be used to have in the environment of high light.Additionally,
This utility model passes through to arrange layer of transparent hard substrate between shutter grating layer and back projection imaging film, and it is greatly
The strong hardness of screen, and do not affect the display effect of screen.This utility model substantially improves the one-tenth of existing projection screen
As picture, improve user's viewing experience, have the characteristics that convenient and practical it is easy to implement, preferably widely popularize.
【Brief description】
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the cross-sectional view of Fig. 1.
Fig. 3 is principle schematic of the present utility model.
Wherein, back projection imaging film 10, piano convex cylindrical lens 11, shutter grating layer 20, light-shielding structure 21, transparent micro-
Structure 22, upper bottom surface 221, bottom surface 222, side 223, anti-dazzle photosphere 30, transparent PET film layer 40, adhesive 50, projector equipment
60th, transparent rigid substrate 70.
【Specific embodiment】
The following example is to be explained further and supplement to of the present utility model, does not constitute any limit to this utility model
System.
As shown in FIG. 1 to 3, rear-projection projection hard screen used in strong light environment of the present utility model is by rear-projection
Imaging film 10, transparent rigid substrate 70, shutter grating layer 20, transparent PET film layer 40 and anti-dazzle photosphere 30 are composited,
It is effective against ambient light to the imaging interference that causes of picture, solves image blurring, distortion, brightness decline, white haze shape serious
The problems such as.Rear-projection used in strong light environment of the present utility model projects the use of hard screen, can not be subject to environment shadow
Ring, thus can be applicable to Anywhere.
As shown in Figure 1 and Figure 2, described back projection imaging film 10 be used for projector equipment 60 thereon throw light to be imaged,
It is compound in a side surface of described transparent rigid substrate 70.Described back projection imaging film 10 can be any known back projection type imaging
Film.In the present embodiment, in the present embodiment, described back projection imaging film 10 is cylindrical grating imaging film, described cylindrical grating imaging film 1
Formed by several structure identical piano convex cylindrical lens 11 integrally connecteds, the plurality of piano convex cylindrical lens 11 are evenly distributed.
One side surface of described back projection imaging film 10 is in plane, and its another side surface is in wavy, it include several continuous and
Structure identical projection face.The radius of curvature of described piano convex cylindrical lens 11 is 0.1mm～0.25mm, and in the present embodiment, it is excellent
Select 0.15mm.The plane of described back projection imaging film 10 is mated with the surface size of transparent rigid substrate 70, and it passes through adhesive 50
It is combined together with described transparent rigid substrate 70, and the projection face of described back projection imaging film 10 deviates from described transparent rigid substrate
70, that is, towards projector equipment 60.Described adhesive 50 can be selected for known adhesive 50, such as pressure sensitive adhesive, adhesive sticker, UV glue.Institute
State back projection imaging film 10 to be made up of PVC material.
Described transparent rigid substrate 70 is used for strengthening the integral hardness of screen, and it can be transparent glass, acrylic board, PC
Any one in plate, PET, PVC board or composite plate.The thickness of described transparent rigid substrate 70 can be set as desired.
As shown in Figure 1 and Figure 2, described shutter grating layer 20 is compound in the side table of described transparent PET film layer 40
Face.Described shutter grating layer 20 is used for absorbing ambient light, reduces the impact to imaging picture for the ambient light, to improve imaging
Image quality.This shutter grating layer 20 is made up of light-shielding structure 21 and transparent microstructures 22.In the present embodiment, for more preferable
Ground absorbs ambient light, reduces the interference to imaging for the ambient light, and described transparent microstructures 22 are by transparent UV gum forming, described shading knot
Structure 21 is by black ink or black UV gum forming.Described transparent microstructures 22 are in laterally homogeneous spaced apart, described light-shielding structure
21 are filled between described transparent microstructures 22 in laterally homogeneous compartment of terrain, described light-shielding structure 21 and described transparent microstructures 22
Mutually it is embedded and form flat shutter grating layer 20.The cross section of described transparent microstructures 22 is trapezoidal, this reality
Apply in example, it is in isosceles trapezoid.Upper bottom surface 221 that described transparent microstructures 22 include being parallel to each other, bottom surface 222 and be connected to
Side 223 between upper bottom surface 221 and bottom surface 222, the width of described upper bottom surface 221 is less than the width of described bottom surface 222.
The bottom surface 222 of described transparent microstructures 22 is compound in the surface of described transparent PET film layer 40, described transparent microstructures 22 upper
Bottom surface 221 is parallel to described transparent PET film layer 40, and the surface flush with described transparent microstructures 22.Two neighboring shading
The side 223 of structure 21 is respectively separated certain distance, between it spaced apart can according to required reach imaging picture matter
Depending on amount.In the present embodiment, between two neighboring transparent microstructures 22, the minimum range at interval is 0.02mm～0.1mm, preferably
0.05mm.Described transparent microstructures 22 and light-shielding structure 21 can take shape in described transparent PET film layer by accurate UV coating process
40 surface：By UV coating process, transparent microstructures 22 are taken shape in the surface of transparent PET film layer 40 first with mould, make
Bright micro structure 22 uniform intervals, and make its cross section trapezoidal, then between transparent microstructures 22 gap at interval equably
Fill material black ink or the black UV glue that described light-shielding structure 21 is used, make black ink or black UV glue
Uniformly be filled in the gap between transparent microstructures 22, and make its upper and lower surface respectively concordant so that black ink or
Person's black UV adhesive curing and mold light-shielding structure 21.In other embodiment, also can form this utility model by other means
Described in shutter grating layer 20.It should be noted that, the thickness of described light-shielding structure 21, width and light-shielding structure 21 it
Between interval all very trickle, human eye cannot recognize, and in Fig. 1～Fig. 3 for ease of show described shutter light
The concrete structure of gate layer 20, the ratio of this shutter grating layer 20 is amplified, and in practice, it is with transparent PET film layer 40
Ratio is not general as shown in drawings.Therefore, Fig. 1～Fig. 3 does not represent the general ratio of high light rear-projection film of the present utility model
Example or the structure of correct proportions, it is only used for showing the structure composition of high light rear-projection film of the present utility model.Further, since it is described
Light-shielding structure 21 structure is trickle, and living human eye cannot discover, and therefore although this light-shielding structure 21 is black, but it still will not
Impact visual experience, it both will not form black stricture of vagina together before vision, user also will not be allowed to perceive on projection screen
There is black stricture of vagina together.
As shown in Figure 1 and Figure 2, described anti-dazzle photosphere 30 being compound in described transparent PET film layer 40 with described shutter
On the relative another side surface of grating layer 20.Described anti-dazzle photosphere 30 is used for anti-dazzle, and it can be selected for known AG anti-dazzling film
Or AG glare proof glass.In the present embodiment, described anti-dazzle photosphere 30 by accurate UV coating process molding be formed at described
The surface of bright PET film layer 40.
Described shutter grating layer 20 is combined together by adhesive 50 with described transparent rigid substrate 70, thus
Define rear-projection projection hard screen used in strong light environment of the present utility model.Described adhesive 50 can be selected for known
Adhesive.This utility model is when using, as shown in figure 3, described projector equipment 60, as projector is positioned over this utility model
Can used in strong light environment rear-projection project hard screen rear, the top of its position not more than projection screen
Edge.In the present embodiment, described projector equipment 60 is positioned over the rear of projection screen.Wherein, the A in Fig. 3 is to representing visual angle center
Horizontal line view direction, B is to representing ambient light incident direction.Because the light source of ambient light is normally at projection screen dead ahead
More than visual angle central horizontal line, such as sunlight, daylight lamp, therefore, when ambient light is irradiated from the oblique upper of projection screen,
It can be blocked by spaced light-shielding structure 21, and sponges, so that ambient light irradiates the lower section less than light-shielding structure 21,
Or few partial illumination is to the lower section of light-shielding structure 21, thus the environment being irradiated on described back projection imaging film 10 can be substantially reduced
Light.When projector equipment 60 is imaged in the front side surface of described back projection imaging film 10 from projection screen rear projects images light,
Because light-shielding structure 21 blocks and absorb most ambient lights, ambient light originally just cannot be with the projection of projector equipment 60
Light mixing (mixing of this visual experience causing for light superposition, light itself can not mix), and then projection cannot be slackened
The visual impression of light, therefore, just can form in the front side surface of described back projection imaging film 10 that apparent, contrast is higher, brightness
Brighter projected picture (is somebody's turn to do " projected picture " with " imaging picture " referred to herein, it refers both to projector equipment 60 throw light
And the picture being formed).When people normally watch projected picture, it is typically seen with the visual angle or parallel vision slightly looked up
See.Thus, after the light of projected picture passes through transparent microstructures 22 and anti-dazzle photosphere 30 to enter pupil, will be formed in human eye
Imaging picture is apparent, contrast is higher, brightness is brighter visual experience, so to user present one very clearly very complete
Beautiful picture.It should be noted that although light-shielding structure 21 has shuts out the light and light-absorbing effect, but it will not be to coming
Cause significantly to absorb abated effect from the throw light of projector equipment 60.This is because projector equipment 60 is generally be no greater than thrown
The highest edge of shadow screen, the angle of the light that it is projected and light-shielding structure 21 is so that only extremely least a portion of light can be hidden
Gear and absorption, and the front side surface that most light remains to reach back projection imaging film 10 is imaged.And human eye can not be distinguished
Not not so subtle difference, therefore, few some light has been blocked the visual pattern that user finally will not be experienced
Impact.User sensitive be still even and continuous clear picture, compare and existing projection screen, user only can
Feel that projection screen imaging picture of the present utility model is apparent, contrast is higher, brightness is higher, its image quality is more preferable.
Thereby, this utility model passes through to be combined one layer of anti-dazzle photosphere 30 and hundred respectively in the both side surface of transparent PET film layer
Leaf window construction grating layer 20, and layer of transparent hard substrate is set between shutter grating layer 20 and back projection imaging film 10
70, thus dazzle and reflection can be reduced by anti-dazzle photosphere 30, strengthen the hardness of screen by transparent rigid substrate 70, by hundred
Light-shielding structure 21 in leaf window construction grating layer 20 is blocking and to absorb ambient light, and then efficiently solves ambient light to shadowgraph
The interference that face is caused, solves the problems such as projected picture obscures, distortion, picture turn white, substantially increases the clear of projected picture
Degree, contrast and brightness, improve image quality, and rear-projection used in strong light environment of the present utility model is thrown
Shadow hard screen can not be limited by ambient light, thus can extensive utilization to various places, and without worrying that ambient light is dry to it
Disturb excessive and affect visual effect.
Although being disclosed to this utility model by above example, scope of the present utility model is not limited to
In this, under conditions of conceiving without departing from this utility model, above each component can use the similar of art personnel understanding
Or equivalent element is replacing.
Claims (10)
1. one kind rear-projection projection hard screen used in strong light environment is it is characterised in that this projection screen includes rear-projection
Imaging film (10), shutter grating layer (20), anti-dazzle photosphere (30), transparent PET film layer (40) and transparent rigid substrate
(70), described shutter grating layer (20) and described anti-dazzle photosphere (30) are compound in described transparent PET film layer (40) respectively
Opposite sides surface on, described back projection imaging film (10) is compound on a side surface of described transparent rigid substrate (70), institute
Another side surface stating transparent rigid substrate (70) is then combined with described shutter grating layer (20), described shutter
Grating layer (20) includes several laterally homogeneous spaced transparent microstructures (22) and laterally homogeneous spaced shading
Structure (21), described light-shielding structure (21) be uniformly distributed between described transparent microstructures (22) with described transparent microstructures
(22) mutually it is embedded, described light-shielding structure (21) is used for blocking ambient light, reduce the interference to imaging for the ambient light.
2. as claimed in claim 1 rear-projection projection hard screen used in strong light environment it is characterised in that described
Bright hard substrate (70) is any one in transparent glass, acrylic board, PC plate, PET, PVC board or composite plate.
3. as claimed in claim 1 rear-projection projection hard screen used in strong light environment it is characterised in that described
The cross section of bright micro structure (22) is trapezoidal, upper bottom surface (221) that it includes being parallel to each other, bottom surface (222) and be connected to
Side (223) between bottom surface (221) and bottom surface (222), the bottom surface (222) of this transparent microstructures (22) is compound in described
The surface of transparent PET film layer (40), the upper bottom surface (221) of this transparent microstructures (22) is parallel to described transparent PET film layer (40)
Surface, described light-shielding structure (21) is uniformly filled between two neighboring transparent microstructures (22), and described light-shielding structure
(21) surface respectively with the flush of described transparent microstructures (22) and make described shutter grating layer (20) be in flat
Tabular.
4. as claimed in claim 1 rear-projection projection hard screen used in strong light environment it is characterised in that the described back of the body
Throwing imaging film (10) is cylindrical grating imaging film, and it is by several evenly distributed group of structures identical piano convex cylindrical lens (11)
Become, the projection face of described piano convex cylindrical lens (11) deviates from described shutter grating layer (20).
5. as claimed in claim 1 rear-projection projection hard screen used in strong light environment it is characterised in that the described back of the body
Throw imaging film (10) to be integrally formed by several continuous piano convex cylindrical lens (11), the side table of described back projection imaging film (10)
Face is in plane, and its another side surface is in wavy, and it includes several continuous and structure identical projection faces.
6. as claimed in claim 1 rear-projection projection hard screen used in strong light environment it is characterised in that described screening
Photo structure (21) is black light-shielding structure.
7. as claimed in claim 1 rear-projection projection hard screen used in strong light environment it is characterised in that described
Bright micro structure (22) is filled in described transparent by transparent UV gum forming, described light-shielding structure (21) by black UV glue or black ink
Molding between micro structure (22).
8. as claimed in claim 1 rear-projection projection hard screen used in strong light environment it is characterised in that described screening
Photo structure (21) and described transparent microstructures (22) take shape in the table of described transparent PET film layer (40) by accurate UV coating process
Face.
9. rear-projection used in strong light environment projects hard screen it is characterised in that described prevent as claimed in claim 1
Glare layer (30) being coated with by UV and be formed at described transparent PET film layer (40) with described shutter grating layer (20) phase
To another side surface.
10. as claimed in claim 1 rear-projection projection hard screen used in strong light environment it is characterised in that described
Shutter grating layer (20) and described back projection imaging film (10) are adhered to described clear hard by adhesive (50) respectively
In the relative both side surface of base material (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057986.7U CN206002836U (en) | 2016-09-17 | 2016-09-17 | Rear-projection projection hard screen used in strong light environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057986.7U CN206002836U (en) | 2016-09-17 | 2016-09-17 | Rear-projection projection hard screen used in strong light environment |
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| Publication Number | Publication Date |
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| CN206002836U true CN206002836U (en) | 2017-03-08 |
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| CN201621057986.7U Active CN206002836U (en) | 2016-09-17 | 2016-09-17 | Rear-projection projection hard screen used in strong light environment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703711A (en) * | 2017-09-27 | 2018-02-16 | 深圳市真屏科技发展有限公司 | It can be used as the ultrashort out-of-focus projection's screen for improving contrast of electronic blackboard |
| CN109976082A (en) * | 2017-12-14 | 2019-07-05 | 台湾扬昕股份有限公司 | Projection screen and extinction film |
| CN110083005A (en) * | 2018-01-23 | 2019-08-02 | 台湾扬昕股份有限公司 | Rear projection screen |
| JP2020204658A (en) * | 2019-06-14 | 2020-12-24 | 大日本印刷株式会社 | Transmission type screen and video display device |
| CN113433788A (en) * | 2021-07-09 | 2021-09-24 | 广西中光影光电有限公司 | Front projection transparent holographic projection screen |
| CN114909634A (en) * | 2022-05-13 | 2022-08-16 | 广州大学 | Anti-dazzle automobile high beam shell |
| CN115128708A (en) * | 2021-03-22 | 2022-09-30 | 广州汽车集团股份有限公司 | Anti-interference film, screen assembly and display |
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2016
- 2016-09-17 CN CN201621057986.7U patent/CN206002836U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703711A (en) * | 2017-09-27 | 2018-02-16 | 深圳市真屏科技发展有限公司 | It can be used as the ultrashort out-of-focus projection's screen for improving contrast of electronic blackboard |
| CN109976082A (en) * | 2017-12-14 | 2019-07-05 | 台湾扬昕股份有限公司 | Projection screen and extinction film |
| CN110083005A (en) * | 2018-01-23 | 2019-08-02 | 台湾扬昕股份有限公司 | Rear projection screen |
| JP2020204658A (en) * | 2019-06-14 | 2020-12-24 | 大日本印刷株式会社 | Transmission type screen and video display device |
| JP7226119B2 (en) | 2019-06-14 | 2023-02-21 | 大日本印刷株式会社 | Transmissive screen, image display device |
| CN115128708A (en) * | 2021-03-22 | 2022-09-30 | 广州汽车集团股份有限公司 | Anti-interference film, screen assembly and display |
| CN113433788A (en) * | 2021-07-09 | 2021-09-24 | 广西中光影光电有限公司 | Front projection transparent holographic projection screen |
| CN114909634A (en) * | 2022-05-13 | 2022-08-16 | 广州大学 | Anti-dazzle automobile high beam shell |
| CN114909634B (en) * | 2022-05-13 | 2024-04-05 | 广州大学 | Anti-dazzle automobile high beam shell |
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