CN203595891U - Ambient light resistant projection screen - Google Patents
Ambient light resistant projection screen Download PDFInfo
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- CN203595891U CN203595891U CN201320800130.4U CN201320800130U CN203595891U CN 203595891 U CN203595891 U CN 203595891U CN 201320800130 U CN201320800130 U CN 201320800130U CN 203595891 U CN203595891 U CN 203595891U
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- projection screen
- projection
- grating layer
- imaging film
- ink layer
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Abstract
An ambient light resistant projection screen is characterized by sequentially compounding a projection imaging film, a grating layer and an anti-dazzle layer, wherein the grating layer is compounded to the front side surface of the projection imaging film and is internally provided with a plurality of printing ink layers which are transversely arranged at intervals, and the printing ink layers are used for absorbing the ambient light and reducing the interference of the ambient light to imaging; and the anti-dazzle layer is compounded to the front side surface of the grating layer and is used for preventing dazzle and eliminating a mirror effect. According to the utility model, the grating layer is compounded to the surface of the projection imaging film, and the printing ink layers arranged at intervals in the grating layer are adopted to absorb the ambient light, so that the influence of the ambient light to an imaging picture can be effectively reduced, the projection screen can be free from the interference of the ambient light, the quality of the projection picture can be greatly improved, and the problems that the picture of an existing projection screen is dim, distorted and low in brightness are solved; in addition, the application range of the projection screen can be greatly expanded, and the projection screen has the advantages of being convenient and practical, and easy to implement, so that the projection screen is suitable for wide popularization.
Description
[technical field]
The utility model relates to projection screen, particularly a kind ofly reduces the interference of surround lighting to projection screen, thereby makes projection screen imaging anti-ambience light projection screen more clearly.
[background technology]
The application of projection screen in life very extensively, 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 environments, especially in bright surround lighting under environment, its surface is subject to the projection of high light, is easy to cause that imaging picture is unintelligible, inhomogeneous, dazzle, white vaporific serious.As everyone knows, if projection screen imaging picture in vain vaporific (picture turns white) serious, can greatly reduce contrast and the brightness of picture, thereby it is unclear to be easy to cause user to watch, and then loses itself displaying, demonstration or advertising results.Generally speaking, in prior art, can't effectively solve interference and the impact of surround lighting on imaging picture.And on the market, can effectively resist the projection screen that surround lighting disturbs imaging picture few.Therefore, solve the impact of surround lighting on imaging picture, designing a kind of novel projection screen that can effectively resist the interference of surround lighting to imaging picture has become the trend place of technical development.
[summary of the invention]
The utility model is intended to address the above problem, and provide one can effectively resist surround lighting, projection imaging picture is disturbed, thereby make that imaging picture is more clear, contrast is higher, brightness is higher, and use the anti-ambience light projection screen that is not subject to environmental restraint.
For achieving the above object, the utility model provides a kind of anti-ambience 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 carrying out imaging on it; Described grating layer is compound in the front side surface of described projection imaging film, is provided with several horizontal also ink layeies of space in this grating layer, and described ink layer supports a shelves surround lighting for absorbing, the interference of reduction surround lighting to 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, and described ink layer is laterally evenly compartment of terrain and is 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.
On the rear side surface of described projection imaging film, be 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 or PET, aluminum honeycomb panel, PVC plate 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 utility model is, it efficiently solves the problems referred to above.The utility model is by the surface recombination one deck grating layer at projection imaging film, and the ink layer arranging by grating layer internal interval carrys out absorbing environmental light, thereby can effectively reduce the impact of surround lighting on imaging picture, and the projection screen making can not be subject to the interference of surround lighting.Even under the irradiation of highlighted surround lighting, projection screen of the present utility model can present projected picture clearly equally, thereby can greatly expand its range of application, both can be used for, in the environment without high light, also can be used for having in the environment of high light.In addition, the utility model has improved the imaging picture of existing projection screen greatly, has promoted user's viewing experience, has convenient and practical, easy to implement feature, should widely popularize.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the use view of the utility model embodiment 1.
Fig. 3 is the structural representation of the utility model embodiment 2.
Fig. 4 is the use view of the utility model embodiment 2.
Fig. 5 is the use view of the utility model embodiment 3.
Fig. 6 is the use view of the utility model embodiment 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 utility model and supplements, the utility model is not constituted any limitation.
Embodiment 1
As shown in Figure 1 and Figure 2, anti-ambience light projection screen of the present utility model is composited successively by projection imaging film 10, grating layer 20 and anti-dazzle photosphere 30.It can effectively resist the interference that surround lighting causes imaging picture, solves that image blurring, distortion, brightness decline, the white vaporific problem such as serious.The use of anti-ambience light projection screen of the present utility model, can not be subject to ambient light effects, thereby can be applicable to Anywhere.Anti-ambience light projection screen of the present utility model both can be used for orthogonal projection and had used, and can be used for again back projection and used, and in the present embodiment, used and 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 the back projection type imaging curtain of any known, and it is soft curtain both, can be also hard curtain.Specifically select which kind of projection imaging film 10 to determine according to the difference of field of employment or user demand.In the present embodiment, described projection imaging film 10 is selected known hard curtain.
As shown in Figure 1 and Figure 2, the front side surface of the compound and described projection imaging film 10 of described grating layer 20, deviates from a side surface of projector equipment 60.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 be selected known composite glue, as UV glue.Described grating layer 20, for absorbing environmental light, reduces the impact of surround lighting on 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 laterally evenly compartment of terrain and is distributed in described transparent transmitting substrate 22.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 front side surface or the rear side surface of projection imaging film 10 is completely straight, described ink layer 21 is with respect to the plane at projection imaging film 10 places and perpendicular.For example, when normal projection, described projection imaging film 10 is vertically to arrange, shown in ink layer be the front side surface that is 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 reaching.In the present embodiment, between described ink layer 21 and adjacent ink layer 21, the distance at interval is less than 0.5mm, preferably 0.2mm.For absorbing environmental light better, reduce the interference of surround lighting to imaging, described ink layer 21 is black ink layer.In the present embodiment, described transparent transmitting substrate 22 and ink layer 21 can be arranged at by coating and printing technique the front side surface of described projection imaging film 10: the front side surface that first by coating and printing technique, ink layer 21 is printed on to projection imaging film 10 by tackifier 50 compartment of terrains, then on ink layer 21, apply equably described transparent transmitting substrate 22, described transparent transmitting substrate 22 is filled in the gap between ink layer 21, and enveloping all ink layeies 21, finally sizing forms the grating layer 20 that is compounded in projection imaging film 10 front side surfaces.In other embodiment, also can form by other means the grating layer 20 described in the utility model.It should be noted that, interval between thickness, width and the ink layer 21 of described ink layer 21 is all very trickle, people's naked eyes cannot identification, and in Fig. 1, Fig. 2 for ease of showing the concrete structure of described grating layer 20, 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 do not represent the general ratio of anti-ambience light projection screen of the present utility model or the structure of correct proportions, and it is only for showing the structure composition of anti-ambience light projection screen of the present utility model.In addition, because described ink layer 21 structures are trickle, human body naked eyes cannot be discovered, therefore, although this ink layer 21 is black, but it still can not affect visual experience, it neither can form black line together before vision, also can not allow user perceive existence black line together on projection screen.
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 be selected 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 utility model is by compound one deck grating layer 20 and anti-dazzle photosphere 30 successively on projection imaging film 10, thereby formed anti-ambience light projection screen of the present utility model.In use, as shown in Figure 2, described projector equipment 60, as projector is positioned over the rear of anti-ambience light projection screen of the present utility model, the highest coboundary that is no more than projection screen in its position to the utility model.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.Due to more than the light source of surround lighting is generally positioned at the visual angle central horizontal line in projection screen dead ahead, as sunshine, daylight lamp, therefore,, in the time that surround lighting irradiates from the oblique upper of projection screen, its ink layer 21 that can be spaced apart setting blocks, and sponge, thereby make surround lighting irradiate the below less than ink layer 21, or seldom part is irradiated to the below of ink layer 21, thereby can greatly reduces the surround lighting being irradiated on described projection imaging film 10.When projector equipment 60 is from projection screen rear projects images light when the front side surface imaging at described projection imaging film 10, because ink layer 21 blocks and absorbed most surround lightings, surround lighting originally just cannot mix with the throw light of projector equipment 60 that (this is the superpose mixing of the visual experience causing of light, light itself can not mix), and then cannot slacken the visual impression of throw light, therefore, just it is more clear to form at the front side surface of described projection imaging film 10, contrast is higher, the brighter projected picture of brightness (is somebody's turn to do " projected picture " with alleged " imaging picture " herein, it all refers to projector equipment 60 throw lights and the picture that forms).When people normally watch projected picture, it is generally watched with the visual angle of slightly looking up or parallel vision.Thereby, when the light of projected picture enters after pupil through transparent transmitting substrate 22 and anti-dazzle photosphere 30, just can be formed into the visual experience that picture picture is more clear, contrast is higher, brightness is brighter at human eye, 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 be to not causing obvious absorption abated effect from the throw light of projector equipment 60.This be because projector equipment 60 conventionally not higher than the high rim of projection screen, the angle of the light that it projects and graphite linings 21 makes to only have the light of few part to be blocked and to absorb, and carries out imaging and most light still can arrive the front side surface of projection imaging film 10.And human eye can not be distinguished subtle difference like this, therefore, few part light is blocked and can affect to some extent final the experienced visual pattern of user.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 more clear, contrast is higher, brightness is higher, its image quality is better.
By this, the utility model is by compound one deck grating layer 20 and anti-dazzle photosphere 30 successively on projection imaging film 10, by utilizing the ink layer 21 in grating layer 20 to block and absorbing environmental light, thereby efficiently solve the interference that surround lighting causes projected picture, solve projected picture fuzzy, distortion, the problems such as picture turns white, greatly improve the sharpness of projected picture, contrast and brightness, improve image quality, and make anti-ambience light projection screen of the present utility model can not be subject to the restriction of surround lighting, thereby can extensively use to various places, 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 that described projection imaging film 10 is soft curtain, for supporting this soft curtain, as shown in Figure 3, Figure 4 described, is also compounded with one deck hard substrate 40 on the rear side surface of described projection imaging film 10.This hard substrate 40 is made up of rigid transparent material, as transparent glass, acrylic board, PC plate, PET, PVC plate or some other transparent hard composite plate etc., make it in the passive while, strengthen the hardness of projection screen, improve the flatness of projection screen, to prevent projection screen distortion, 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 that 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, described projector equipment 60 is located at the front of projection screen.
Embodiment 4
The basic structure of the present embodiment and principle are with embodiment 2, and difference is that 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, described projector equipment 60 is located at the front of projection screen.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 the utility model is disclosed by above embodiment, but scope of the present utility model is not limited to this, do not departing under the condition of the utility model design, the similar or equivalent element that above each member can be understood with affiliated technical field personnel is replaced.
Claims (9)
1. an anti-ambience light projection screen, is characterized in that, this projection screen comprises:
Projection imaging film (10), its for projector equipment (60) throw light to carrying out imaging on it;
Grating layer (20), it is compound in the front side surface of described projection imaging film (10), in this grating layer (20), be provided with several horizontal also ink layeies (21) of space, described ink layer (21), for absorbing environmental light, reduces the interference of surround lighting to imaging;
Anti-dazzle photosphere (30), it is compound in the front side surface of grating layer (20), for anti-dazzle.
2. anti-ambience 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 laterally evenly compartment of terrain and is distributed in described transparent transmitting substrate (22).
3. anti-ambience light projection screen as claimed in claim 2, is characterized in that, described ink layer (21) is perpendicular to the front side surface of described projection imaging film (10).
4. anti-ambience light projection screen as claimed in claim 3, is characterized in that, described ink layer (21) is black ink layer.
5. anti-ambience light projection screen as claimed in claim 4, is characterized in that, described transparent transmitting substrate (22) is transparent resin.
6. anti-ambience light projection screen as claimed in claim 5, is characterized in that, is compounded with one deck for supporting the hard substrate (40) of described projection imaging film (10) on the rear side surface of described projection imaging film (10).
7. anti-ambience light projection screen as claimed in claim 6, is characterized in that, described hard substrate (40) is made up of rigid transparent material.
8. anti-ambience light projection screen as claimed in claim 7, is characterized in that, described hard substrate (40) is any one in transparent glass, acrylic board, PC plate, PET, aluminum honeycomb panel, PVC plate or composite plate.
9. anti-ambience light projection screen as claimed in claim 8, 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 |
|---|---|---|---|
| CN201320800130.4U CN203595891U (en) | 2013-12-06 | 2013-12-06 | Ambient light resistant projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800130.4U CN203595891U (en) | 2013-12-06 | 2013-12-06 | Ambient light resistant projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203595891U true CN203595891U (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320800130.4U Withdrawn - After Issue CN203595891U (en) | 2013-12-06 | 2013-12-06 | Ambient light resistant projection screen |
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| Country | Link |
|---|---|
| CN (1) | CN203595891U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605258A (en) * | 2013-12-06 | 2014-02-26 | 深圳市真屏科技发展有限公司 | Ambient-light resisting projection screen |
| CN108267804A (en) * | 2018-03-05 | 2018-07-10 | 深圳市光科全息技术有限公司 | A kind of optical film |
| CN111338172A (en) * | 2018-12-19 | 2020-06-26 | 青岛海信激光显示股份有限公司 | Projection screen |
-
2013
- 2013-12-06 CN CN201320800130.4U patent/CN203595891U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605258A (en) * | 2013-12-06 | 2014-02-26 | 深圳市真屏科技发展有限公司 | Ambient-light resisting projection screen |
| CN103605258B (en) * | 2013-12-06 | 2016-04-27 | 深圳市真屏科技发展有限公司 | Environment resistant light projection screen |
| CN108267804A (en) * | 2018-03-05 | 2018-07-10 | 深圳市光科全息技术有限公司 | A kind of optical film |
| CN111338172A (en) * | 2018-12-19 | 2020-06-26 | 青岛海信激光显示股份有限公司 | Projection screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140514 Effective date of abandoning: 20160427 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |