CN103605258B - Environment resistant light projection screen - Google Patents
Environment resistant light projection screen Download PDFInfo
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- CN103605258B CN103605258B CN201310654879.7A CN201310654879A CN103605258B CN 103605258 B CN103605258 B CN 103605258B CN 201310654879 A CN201310654879 A CN 201310654879A CN 103605258 B CN103605258 B CN 103605258B
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- projection screen
- ink layer
- grating layer
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- imaging film
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Abstract
A kind of environment resistant light projection screen, it is characterized in that, this rear projection screen is composited successively by projection imaging film, grating layer and anti-dazzle photosphere, grating layer is compound in the front side surface of described projection imaging film, be provided with in this grating layer several transverse directions and spaced ink layer, described ink layer is used for absorbing environmental light, reduces surround lighting to the interference of imaging; Described anti-dazzle photosphere is compound in the front side surface of grating layer, for anti-dazzle, eliminates mirrored effect.The present invention is by the surface recombination one deck grating layer at projection imaging film, and carry out absorbing environmental light by the inner spaced ink layer of grating layer, thus effectively can reduce the impact of surround lighting on imaging picture, the projection screen made can not by the interference of surround lighting, and then can greatly improve projected picture quality, solve the problems such as existing projection screen fuzzy pictures, distortion, brightness is low.The present invention can expand its range of application greatly, has convenient and practical, and feature easy to implement should be widelyd popularize.
Description
[technical field]
The present invention relates to projection screen, particularly a kind ofly reduce the interference of surround lighting to projection screen, thus make projection screen imaging environment resistant light projection screen more clearly.
[background technology]
The application of projection screen in life very extensive, it is mainly used in the occasions such as large conference room, command and control center, training education structure, meeting room, exhibition room, exhibition center, airport, show window; But in reality, projection screen is under various light environment, and especially in bright ambient light under environment, its surface, by projection of high light, is easy to cause that imaging picture is unintelligible, uneven, dazzle, white seriously vaporific.As everyone knows, if projection screen imaging picture in vain vaporific (picture turns white) serious, greatly can reduce contrast and the brightness of picture, thus it is unclear to be easy to cause user to watch, and then loses itself displaying, demonstration or advertising results.Generally speaking, surround lighting can't effectively be solved in prior art on the interference of imaging picture and impact.And on the market, the projection screen that surround lighting disturbs imaging picture effectively can be resisted few.Therefore, solve surround lighting to the impact of imaging picture, design and a kind ofly novel effectively can resist surround lighting has become technical development trend place to the projection screen of the interference of imaging picture.
[summary of the invention]
The present invention is intended to solve the problem, and provides one effectively can resist surround lighting to projection imaging picture to disturb, thus makes that imaging picture is more clear, contrast is higher, brightness is higher, and uses by the environment resistant light projection screen of environmental restraint.
For achieving the above object, the invention provides a kind of environment resistant light projection screen, it is characterized in that, this projection screen is composited successively by projection imaging film, grating layer and anti-dazzle photosphere, described projection imaging film for projector equipment throw light to it on carry out imaging; Described grating layer is compound in the front side surface of described projection imaging film, be provided with in this grating layer several transverse directions and spaced ink layer, and described ink layer is used for absorbing and supports shelves surround lighting, reduces surround lighting to the interference of imaging; Described anti-dazzle photosphere is compound in the front side surface of grating layer, for anti-dazzle, eliminates mirrored effect.
Described grating layer is made up of transparent transmitting substrate and described ink layer, described ink layer be horizontal uniform intervals be distributed in described transparent transmitting substrate.
Described ink layer is perpendicular to the front side of described projection imaging film, and described ink layer is black ink layer.
Described transparent transmitting substrate is transparent resin.
The rear side surface of described projection imaging film is compounded with one deck for supporting the hard substrate of described projection imaging film.
Described hard substrate is made up of rigid transparent material.
Described hard substrate is any one in transparent glass, acrylic board, PC plate, PET, aluminum honeycomb panel, PVC board or composite plate.
Described anti-dazzle photosphere is anti-dazzle PET, and it is adhered to the front side surface of described grating layer by tackifier.
Effective contribution of the present invention is, it efficiently solves the problems referred to above.The present invention is by the surface recombination one deck grating layer at projection imaging film, and carry out absorbing environmental light by the inner spaced ink layer of grating layer, thus effectively can reduce the impact of surround lighting on imaging picture, the projection screen made can not by the interference of surround lighting.Even if under the irradiation of highlighted surround lighting, projection screen of the present invention can present projected picture clearly equally, thus can greatly expand its range of application, both can be used in the environment without high light, and also can be used for has in the environment of high light.In addition, the present invention substantially improves the imaging picture of existing projection screen, improves user's viewing experience, has convenient and practical, and feature easy to implement should be widelyd popularize.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the using state schematic diagram of the embodiment of the present invention 1.
Fig. 3 is the structural representation of the embodiment of the present invention 2.
Fig. 4 is the using state schematic diagram of the embodiment of the present invention 2.
Fig. 5 is the using state schematic diagram of the embodiment of the present invention 3.
Fig. 6 is the using state schematic diagram of the embodiment of the present invention 4.
Wherein, 10 is projection imaging film, and 20 is grating layer, and 21 is the ink layer in grating layer, and 22 is the transparent transmitting substrate in grating layer, and 30 is anti-dazzle photosphere, and 40 is hard substrate, and 50 is tackifier, and 60 is projector equipment.
[embodiment]
The following example is to further explanation of the present invention and supplements, and does not constitute any limitation the present invention.
Embodiment 1
As shown in Figure 1 and Figure 2, environment resistant light projection screen of the present invention is composited successively by projection imaging film 10, grating layer 20 and anti-dazzle photosphere 30.It effectively can resist the interference that surround lighting causes imaging picture, solves image blurring, distortion, brightness declines, the white vaporific problem such as seriously.The use of environment resistant light projection screen of the present invention, can not be subject to ambient light effects, thus can be applicable to Anywhere.Environment resistant light projection screen of the present invention both can be used for orthogonal projection and had used, and can be used for again back projection and used, in the present embodiment, use be described using it as back projection.
As shown in Figure 1, described projection imaging film 10 for projector equipment 60 thereon throw light to carry out imaging.This projection imaging film 10 can be any known back projection type imaging curtain, and it is soft curtain both, also can be hard curtain.Specifically select which kind of projection imaging film 10 can determine according to the difference of field of employment or user demand.In the present embodiment, described projection imaging film 10 selects known hard curtain.
As shown in Figure 1 and Figure 2, the front side surface of described grating layer 20 compound and described projection imaging film 10, namely deviates from the side of projector equipment 60 on the surface.In the present embodiment, this grating layer 20 is adhered on the front side surface of described projection imaging film 10 by tackifier 50.Described tackifier 50 can select known composite glue, as UV glue.Described grating layer 20, for absorbing environmental light, reduces surround lighting to the impact of imaging picture, to improve imaging image quality.This grating layer 20 is made up of ink layer 21 and transparent transmitting substrate 22.In the present embodiment, described transparent transmitting substrate 22 is transparent resin.Described ink layer 21 is distributed in described transparent transmitting substrate 22 in horizontal uniform intervals.In the present embodiment, this ink layer 21 is perpendicular to the front side surface of described projection imaging film 10.It should be noted that, no matter whether the front side surface of projection imaging film 10 or rear side surface are completely straight, and described ink layer 21 is planes relative to projection imaging film 10 place and perpendicular.Such as, during normal projection, described projection imaging film 10 vertically arranges, then shown in, ink layer is the front side surface being flatly compound in projection imaging film 10.Between described ink layer 21 and adjacent ink layer 21, the distance at interval can be determined according to the quality of the required imaging picture reached.In the present embodiment, between described ink layer 21 and adjacent ink layer 21, the distance at interval is less than 0.5mm, preferred 0.2mm.For absorbing environmental light better, reduce surround lighting to the interference of imaging, described ink layer 21 is black ink layer.In the present embodiment, described transparent transmitting substrate 22 and ink layer 21 are arranged at the front side surface of described projection imaging film 10 by coating and printing technique: the front side surface first by coating and printing technique, ink layer 21 being printed on projection imaging film 10 by tackifier 50 compartment of terrain, then on ink layer 21, described transparent transmitting substrate 22 is applied equably, described transparent transmitting substrate 22 is made to be filled in the gap between ink layer 21, and enveloping all ink layeies 21, finally sizing forms the grating layer 20 being compounded in projection imaging film 10 front side surface.In other embodiments, also form the grating layer 20 described in the present invention by other modes.It should be noted that, interval between the thickness of described ink layer 21, width and ink layer 21 is all very trickle, the naked eyes of people cannot identification, and for ease of showing the concrete structure of described grating layer 20 in Fig. 1, Fig. 2, the ratio of this grating layer 20 is amplified, in reality, the ratio of itself and described projection imaging film 10 is not general as shown in drawings.Therefore, Fig. 1 and Fig. 2 does not represent the general ratio of environment resistant light projection screen of the present invention or the structure of correct proportions, and it is only for showing the structure composition of environment resistant light projection screen of the present invention.In addition, because described ink layer 21 structure is trickle, living human eye cannot discover, therefore, although this ink layer 21 is black, but it still can not affect visual experience, it both can not form black line together before vision, user also can not be allowed to perceive on projection screen and there is black line together.
As shown in Figure 1 and Figure 2, described anti-dazzle photosphere 30 is for anti-dazzle, and it is compound in the front side surface of grating layer 20.In the present embodiment, it is adhered to the front side surface of grating layer 20 by tackifier 50, and described tackifier 50 can select known composite glue.Described anti-dazzle photosphere 30 is made up of transparent, opaque material.In the present embodiment, this anti-dazzle photosphere 30 is anti-dazzle PET.
The present invention by compound one deck grating layer 20 and anti-dazzle photosphere 30 successively on projection imaging film 10, thus defines environment resistant light projection screen of the present invention.The present invention in use, as shown in Figure 2, described projector equipment 60, as projector is positioned over the rear of environment resistant light projection screen of the present invention, the highest coboundary being no more than projection screen in its position.In the present embodiment, described projector equipment 60 is positioned over the dead astern of projection screen.Wherein, the A in Fig. 2 is to representing visual angle central horizontal line view direction, and B is to representing surround lighting incident direction.Because the light source of surround lighting is generally positioned at more than the visual angle central horizontal line in projection screen dead ahead, as sunshine, daylight lamp, therefore, when surround lighting irradiates from the oblique upper of projection screen, it can be blocked by spaced ink layer 21, and sponge, thus make surround lighting irradiation less than the below of ink layer 21, or few partial illumination is to the below of ink layer 21, thus greatly can reduce the surround lighting be irradiated on described projection imaging film 10.When projector equipment 60 from projection screen rear projects images light when the front side surface imaging of described projection imaging film 10, block due to ink layer 21 and absorb most surround lighting, (the mixing of this visual experience caused for light superposes that surround lighting originally just cannot mix with the throw light of projector equipment 60, light itself can not mix), and then the visual impression of throw light cannot be slackened, therefore, just it is more clear to be formed at the front side surface of described projection imaging film 10, contrast is higher, projected picture (this " projected picture " same alleged herein " imaging picture " that brightness is brighter, its picture all referring to projector equipment 60 throw light and formed).When people normally watch projected picture, it is generally watched with the visual angle of slightly looking up or parallel vision.Thus, after the light of projected picture enters pupil through transparent transmitting substrate 22 and anti-dazzle photosphere 30, just can be formed at human eye the visual experience that picture picture is more clear, contrast is higher, brightness is brighter, and then present a very clear very perfectly picture to user.It should be noted that, shut out the light and light-absorbing effect although ink layer 21 has, it can not cause the throw light from projector equipment 60 and significantly absorb abated effect.This is because projector equipment 60 is not usually higher than the most high rim of projection screen, the angle of its light projected and graphite linings 21 makes to only have the light of few part to be blocked and to absorb, and the front side surface that most light still can arrive projection imaging film 10 carries out imaging.And human eye can not distinguish subtle difference like this, therefore, few some light is blocked can not affect to some extent on final the experienced visual pattern of user.User institute is sensitive is still even and the clear picture of continuous print, and compare and existing projection screen, user only can feel that projection screen imaging picture of the present invention is more clear, contrast is higher, brightness is higher, and its image quality is better.
By this, the present invention is by compound one deck grating layer 20 and anti-dazzle photosphere 30 successively on projection imaging film 10, block and absorbing environmental light by utilizing the ink layer 21 in grating layer 20, thus efficiently solve the interference that surround lighting causes projected picture, solve projected picture fuzzy, distortion, the problems such as picture turns white, substantially increase the sharpness of projected picture, contrast and brightness, improve image quality, and make environment resistant light projection screen of the present invention can not be subject to the restriction of surround lighting, thus can extensively use to various place, and do not worry that surround lighting disturbs excessive on it and affects visual effect.
Embodiment 2
The basic structure of the present embodiment is with embodiment 1, and difference is described projection imaging film 10 is soft curtain, for supporting this soft curtain, as shown in Figure 3, Figure 4 described, and the rear side surface of described projection imaging film 10 is also compounded with one deck hard substrate 40.This hard substrate 40 is made up of rigid transparent material, as transparent glass, acrylic, PC plate, PET, PVC board or some other transparent hard composite plate etc., make it passive while, enhance the hardness of projection screen, improve the flatness of projection screen, to prevent projection screen to be out of shape, this hard substrate 40 also can not impact the throw light of projector equipment 60 substantially simultaneously.
Embodiment 3
The basic structure of the present embodiment and principle are with embodiment 1, and difference is the projection imaging film 10 in embodiment 1 is back projection type imaging curtain, and this projection imaging film 10 of the present embodiment is front projection type imaging film.As shown in Figure 5, corresponding with front projection type imaging film, the front of projection screen is located at by described projector equipment 60.
Embodiment 4
The basic structure of the present embodiment and principle are with embodiment 2, and difference is the projection imaging film 10 in embodiment 2 is back projection type imaging curtain, and this projection imaging film 10 of the present embodiment is front projection type imaging film.As shown in Figure 6, corresponding with front projection type imaging film, the front of projection screen is located at by described projector equipment 60.In the present embodiment, because projector equipment 60 is the front throw lights from projection imaging film 10, the hard material of the non-all-transparents such as all right aluminium cellular board of described hard substrate, makes the selection range of hard substrate wider, can't affect drop shadow effect.
Although by above embodiment to invention has been announcement, scope of the present invention is not limited thereto, and under the condition not departing from the present invention's design, above each component can be replaced with the similar or equivalent element that art personnel understand.
Claims (9)
1. an environment resistant light projection screen, is characterized in that, this projection screen comprises:
Projection imaging film (10), its for projector equipment (60) throw light to it on carry out imaging;
Grating layer (20), it is compound in the front side surface of described projection imaging film (10), be provided with in this grating layer (20) several transverse directions and spaced ink layer (21), described ink layer (21), for absorbing environmental light, reduces surround lighting to the interference of imaging;
Anti-dazzle photosphere (30), it is compound in the front side surface of grating layer (20), for anti-dazzle.
2. environment resistant light projection screen as claimed in claim 1, it is characterized in that, described grating layer (20) is made up of transparent transmitting substrate (22) and described ink layer (21), and described ink layer (21) is distributed in horizontal uniform intervals in described transparent transmitting substrate (22).
3. environment resistant light projection screen as claimed in claim 2, it is characterized in that, described ink layer (21) is perpendicular to the front side surface of described projection imaging film (10).
4. environment resistant light projection screen as claimed in claim 3, it is characterized in that, described ink layer (21) is black ink layer.
5. environment resistant light projection screen as claimed in claim 4, it is characterized in that, described transparent transmitting substrate (22) is transparent resin.
6. environment resistant light projection screen as claimed in claim 5, is characterized in that, the rear side surface of described projection imaging film (10) being compounded with one deck for supporting the hard substrate (40) of described projection imaging film (10).
7. environment resistant light projection screen as claimed in claim 6, it is characterized in that, described hard substrate (40) is made up of rigid transparent material.
8. environment resistant light projection screen as claimed in claim 7, is characterized in that, described hard substrate (40) is transparent glass, any one in acrylic board, PC plate, PET, aluminum honeycomb panel, PVC board or composite plate.
9. environment resistant light projection screen as claimed in claim 8, it is characterized in that, described anti-dazzle photosphere (30) is anti-dazzle PET, and it is adhered to the front side surface of described grating layer (20) by tackifier (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310654879.7A CN103605258B (en) | 2013-12-06 | 2013-12-06 | Environment resistant light projection screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310654879.7A CN103605258B (en) | 2013-12-06 | 2013-12-06 | Environment resistant light projection screen |
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| CN103605258A CN103605258A (en) | 2014-02-26 |
| CN103605258B true CN103605258B (en) | 2016-04-27 |
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| CN201310654879.7A Active CN103605258B (en) | 2013-12-06 | 2013-12-06 | Environment resistant light projection screen |
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| CN104460213A (en) * | 2014-12-26 | 2015-03-25 | 成都宽显科技有限责任公司 | Projection screen and projection display system |
| CN105047080A (en) * | 2015-08-14 | 2015-11-11 | 河南镀邦光电股份有限公司 | Reflection-eliminating and anti-dazzle panel of display screen |
| CN107731136A (en) * | 2017-10-18 | 2018-02-23 | 广东趣点智能科技有限公司 | A kind of projection show window interaction display touch apparatus |
| CN107589880A (en) * | 2017-10-18 | 2018-01-16 | 广东趣点智能科技有限公司 | A kind of show window interaction display touch apparatus of electromagnetic screen |
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| CN107608578A (en) * | 2017-10-18 | 2018-01-19 | 广东趣点智能科技有限公司 | A kind of show window interaction display touch apparatus of capacitive touch screen |
| CN107728842A (en) * | 2017-10-18 | 2018-02-23 | 广东趣点智能科技有限公司 | A kind of show window interaction display touch apparatus based on touch nanometer film |
| CN108241248A (en) * | 2018-03-30 | 2018-07-03 | 安徽白雪投影显示技术有限公司 | A kind of middle anti-light screen of short focus grating |
| CN109470448B (en) * | 2018-09-28 | 2023-11-03 | 南京华睿川电子科技有限公司 | Touch screen imaging detection method |
| CN110262177A (en) * | 2019-05-28 | 2019-09-20 | 深圳市真屏科技发展有限公司 | Anti-light projection screen |
| CN112180670B (en) * | 2019-07-04 | 2023-04-07 | 深圳光峰科技股份有限公司 | Projection screen |
| CN112462569B (en) * | 2020-12-07 | 2022-05-03 | 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 |
| CN114660884A (en) * | 2020-12-22 | 2022-06-24 | 宁波激智科技股份有限公司 | Ambient light resistant laser television screen and preparation method thereof |
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Effective date of registration: 20210927 Address after: 537300 Pingnan County Industrial Park, Guigang City, the Guangxi Zhuang Autonomous Region Patentee after: Guangxi zhongguangying photoelectric Co.,Ltd. Address before: 518000 floor 4, No. 347-1, pinglong East Road, Pinghu Town, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ZHENPING TECHNOLOGY DEVELOPMENT Co.,Ltd. |