CN203164583U - Projection system and projection black screen - Google Patents
Projection system and projection black screen Download PDFInfo
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- CN203164583U CN203164583U CN 201220211548 CN201220211548U CN203164583U CN 203164583 U CN203164583 U CN 203164583U CN 201220211548 CN201220211548 CN 201220211548 CN 201220211548 U CN201220211548 U CN 201220211548U CN 203164583 U CN203164583 U CN 203164583U
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- black
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- screen
- autoluminescence
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Abstract
The utility model discloses a projection system and a projection black screen. The projection system comprises a projector and is characterized in that the projection system further comprises the projection black screen which is luminous when excited by wavelength projected by the projector. The projection black screen is characterized in that the projection black screen is composed of a black background layer and a self-luminous transparent display film which is adhered on the black background layer. The transparency of the self-luminous transparent display film is greater than or equal to 95%. According to the utility model, by arranging the projection black screen which is luminous when excited by wavelength projected by the projector, the projection screen is self-luminous rather than a non reflection mode, thus a display image of full view angle and high contrast is acquired.
Description
Technical field
The utility model relates to a kind of optical projection system, is specifically related to the optical projection system that a kind of projection screen can be luminous.
Background technology
Along with the continuous development of shadow casting technique, a lot of indoor large screen displaies now all are to adopt projector to add the technology of projection screen.Present projection screen is put into different categories into a variety of, have the projection form membrane, that the curtain form is arranged, hard screen form is arranged etc.For the projection screen in the optical projection system of orthogonal projection, have following defective: the principle of luminosity of (1) projection screen is to utilize reflection of light, thereby the visual angle of projection picture viewing is restricted, and can not obtain the viewing angle at full visual angle.(2) projection screen is not black screen, and what adopt basically is the white screen, and thus, shown black is not black completely on projection screen, owing to be not blank screen, so contrast is difficult to reach very high degree.(3) use the occasion of blackboard in the classroom etc., need to arrange in addition the projection screen of white, take arrangement space, and influence visual effect.
More and more higher with the quality at present video, and people watch the expectation of projection large screen image also increasing to high-quality, thus need now a kind of solution with front projection screen unvanquishable contrast and the projection screen of problem with great visual angle.
Summary of the invention
Goal of the invention of the present utility model provide a kind ofly have with great visual angle, the optical projection system of advantage such as high-contrast, another goal of the invention of the present utility model provides a kind of projection blank screen for above-mentioned optical projection system.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of optical projection system, comprise projector, and also comprise the projection blank screen by projector's projection wavelength stimulated luminescence.
In the described projection blank screen by projector's projection wavelength stimulated luminescence, used the nano material of photoluminescence, this nano material and other material fit can be made film, also can make forms such as the hard screen of projection screen or projection.Shine superincumbent the time as certain wavelengths, this material will be luminous, and different wavelength illumination can be sent different light in the above the time, thus, makes the projection blank screen have the autoluminescence characteristic, and does not adopt reflection luminous, thereby improve contrast and visual angle.The projection wavelength of projector cooperates with the excitation wavelength of projection blank screen.Generally, can adopt excitation wavelength range is that 265nm is to the nano material of 700nm.
Scheme one, described projection blank screen is made of black background layer and the transparent demonstration film of autoluminescence that sticks on the black background layer, and the transparency of the transparent demonstration film of described autoluminescence is more than or equal to 95%.
Described black background layer is black glass.Also can adopt other hard black material.
Described black glass is the conventional clear glass of posting black film, and the transparent demonstration film of described black film and described autoluminescence is pasted on the two sides of clear glass respectively.
Perhaps, described black glass is the glass that is colored.
Scheme two, described projection blank screen is for evenly being doped with the flexible black curtain of the nano material of stimulated luminescence.Nano material can be by being combined on the curtain as dipping, spraying, absorption, mode such as crosslinked.
Scheme three, described projection blank screen shields firmly for the black that evenly is doped with the nano material of stimulated luminescence.
For achieving the above object, the invention provides a kind of projection blank screen, it is made of black background layer and the transparent demonstration film of autoluminescence that sticks on the black background layer, and the transparency of the transparent demonstration film of described autoluminescence is more than or equal to 95%.
Described black background layer is made of the conventional clear glass of posting black film, and the transparent demonstration film of described black film and described autoluminescence is pasted on the two sides of clear glass respectively.
Perhaps, described black background layer is made of the glass of being dyed black.
Because technique scheme is used, the utility model compared with prior art has following advantage:
1. the utility model is by arranging the projection blank screen by projector's projection wavelength stimulated luminescence, and making projection screen is autoluminescence but not reflected version, thereby, obtained the demonstration image of full visual angle, high-contrast.
2. projection screen background of the present utility model is black screen, and thus, shown black is black completely on projection screen, is conducive to improve contrast.
3. projection screen of the present utility model is black, uses the occasion of blackboard in the classroom etc., and is harmonious with surrounding environment.
Description of drawings
The projection blank screen projection film synoptic diagram of Fig. 1 for providing among the utility model embodiment.
Fig. 2 uses synoptic diagram for the projection blank screen that provides among the utility model embodiment.
Projection blank screen hard screen and the curtain synoptic diagram of Fig. 3 for providing among the utility model embodiment.
Fig. 4 uses synoptic diagram for the projection blank screen electronic blackboard that provides among the utility model embodiment.
The projection blank screen electronics blank screen systematic schematic diagram of Fig. 5 for providing among the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment 1:
In conjunction with reference to figure 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, present embodiment provides a kind of black Autoluminescence projection screen, and this screen can be glass, can be curtain, can the metallic hard screen, and can be electronic blackboard etc.
As shown in Figure 1, the transparent demonstration film 101 of autoluminescence is sticked on the black glass 110, having the face of pasting autoluminescence projection film just to throw with projector 106 then.
The transparency that is attached to the transparent demonstration film 101 of autoluminescence on the black glass 110 is more than 95%, the transparent demonstration film 101 of autoluminescence is to show specific light at certain wavelengths, will activated self-luminous transparent demonstration film oneself when the light of specific wavelength is radiated at above the transparent demonstration film 101 of autoluminescence luminous, luminous color can be all colours of blue, red, white and RGB combination.For example: the transparent demonstration film 101 of autoluminescence shows blue under the irradiation of 405nm wavelength.The transparent demonstration film 101 of autoluminescence can demonstrate color between wavelength 200nm～700nm, and the color that the transparent demonstration film 101 of autoluminescence shows under the irradiation of different wave length can be all colours of RGB combination.
The transparent demonstration film 101 of autoluminescence sticks on the black glass 110.Described black glass 110 can be the conventional clear glass of posting black film, also can be the black simple glass that is colored.Post the simple glass of black film, transparent demonstration film 101 is attached to the another side of black film glass, projector 106 is projected in this one side of posting the transparent demonstration film 101 of autoluminescence.
Described projector 106 can be common projector, and the spectral wavelength scope that casts out is 380nm ~ 700nm, also can be the spectral band of particular range, for example: 200nm ~ 500nm, 300nm ~ 500nm, 400nm ~ 500nm etc.
As shown in Figure 2, projector 106 is projected on the black glass 110 that posts the transparent demonstration film 101 of autoluminescence, this black glass 110 can be applied in many in and occasion, for example StoreFront show window, glass curtain wall, wall decorations etc. have the place of black glass can become the black glass 110 that posts the transparent demonstration film 101 of autoluminescence.Have projector 106 to carry out projection then, black glass 110 just can become an Autoluminescence display screen, and its luminous characteristics is full visual angle, and high-contrast has the high-quality display effect the same with flat panel TV.General place with projector's projection can replace with black glass 110, and variable size, and the attractive in appearance and texture of glass is better than the curtain of common projection.
Described projector 106 is projected on the black glass 110 that posts the transparent demonstration film 101 of autoluminescence, and projector 106 just throws 101 of the transparent demonstration films of autoluminescence.
Embodiment 2:
As shown in Figure 3, projection screen also has the hard screen 103 of black curtain 102 and black except can using the black glass 110 that posts the transparent demonstration film 101 of autoluminescence.
Described black curtain 102 is that the nano material of will make the transparent demonstration film 101 of autoluminescence is added on the curtain of black color, and when the light of specific wavelength was radiated on the curtain, curtain will be own luminous.Black curtain 102 has just become the screen of Autoluminescence like this.
When projector 106 was projected on the black curtain 102, the nano material in the black curtain 102 was subjected to the optical excitation of various wavelength to send the light of different colours, and black curtain 102 demonstrates color and image with regard to self start type.When being projected on the black curtain 102 with projector 106, the viewing angle of image is 180 degree, owing to be the black bottom surface, the contrast of image has reached the highest, and the picture quality on the whole black curtain 102 has improved fully.
Black curtain 102 can substitute the common projection screen on the market fully, picture quality when black curtain 102 not only improves projection greatly, but also make the people reach best at the visual angle of watching image, it can be used in meeting room and replace the common conference curtain, the curtain that replaces cinema in can using at the cinema can use home theater at home to replace average family movie theatre curtain etc.
The hard screen 103 of described black is that the nano material of will make the transparent demonstration film 101 of autoluminescence is added on the hard screen of black color, and when the light of specific wavelength was radiated on the hard screen, hard screen will be own luminous.The hard screen 103 of black has just become the screen of Autoluminescence like this.
When projector 106 was projected on the hard screen 103 of black, the nano material that black shields in 103 firmly was subjected to the optical excitation of various wavelength to send the light of different colours, and black shields 103 firmly and demonstrates color and image with regard to self start type.When being projected on the hard screen 103 of black with projector 106, the viewing angle of image is 180 degree, owing to be the black bottom surface, the contrast of image has reached the highest, and the picture quality on the hard screen 103 of whole black has improved fully.
The hard screen 103 of black can replace the use of common hard curtain, can replace the projection curtain wall, and the projection that can replace splicing fusion is shielded firmly.
As Fig. 4, shown in 5, the hard screen 103 of black can replace common electronic whiteboard, and black shields 103 firmly and can become electronic blackboard and use in teaching, and black shields 103 firmly just can replace existing electronic whiteboard interactive education system fully in conjunction with projector 106 and interaction systems.Use the advantage of the electronic blackboard in the hard screen 103 of black to be to have promoted image displaying quality, teaching effect and efficient are improved greatly, and the autoluminescence display mode of the hard screen 103 of black has embodied the advantage at full visual angle, make the student who is sitting in both sides also can see color and the content of image completely clearly, visual angle unlike the ordinary electronic blank is very little, influences the quality influence teaching of the student viewing image on both sides.
Above-described embodiment is described the use-pattern of projection blank screen, carry out the mode of the demonstration of projection Autoluminescence with projector, the black bottom surface, has high-contrast, can be under the brighter situation of surround lighting Projection Display, the full visual angle of 180 degree, the display quality of image improves greatly than common display mode.
Above-described only is preferred implementation of the present utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from utility model principle of the present invention, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. an optical projection system comprises projector, it is characterized in that: also comprise the projection blank screen by projector's projection wavelength stimulated luminescence.
2. optical projection system according to claim 1 is characterized in that: described projection blank screen is made of black background layer and the transparent demonstration film of autoluminescence that sticks on the black background layer, and the transparency of the transparent demonstration film of described autoluminescence is more than or equal to 95%.
3. optical projection system according to claim 2, it is characterized in that: described black background layer is black glass.
4. optical projection system according to claim 3, it is characterized in that: described black glass is the conventional clear glass of posting black film, the transparent demonstration film of described black film and described autoluminescence is pasted on the two sides of clear glass respectively.
5. optical projection system according to claim 3, it is characterized in that: described black glass is the glass that is colored.
6. projection blank screen is characterized in that: it is made of black background layer and the transparent demonstration film of autoluminescence that sticks on the black background layer, and the transparency of the transparent demonstration film of described autoluminescence is more than or equal to 95%.
7. projection blank screen according to claim 6, it is characterized in that: described black background layer is made of the conventional clear glass of posting black film, and the transparent demonstration film of described black film and described autoluminescence is pasted on the two sides of clear glass respectively.
8. projection blank screen according to claim 6, it is characterized in that: described black background layer is made of the glass of being dyed black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220211548 CN203164583U (en) | 2012-05-11 | 2012-05-11 | Projection system and projection black screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220211548 CN203164583U (en) | 2012-05-11 | 2012-05-11 | Projection system and projection black screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203164583U true CN203164583U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220211548 Expired - Fee Related CN203164583U (en) | 2012-05-11 | 2012-05-11 | Projection system and projection black screen |
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| CN (1) | CN203164583U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732850A (en) * | 2017-04-25 | 2018-11-02 | 张家港康得新光电材料有限公司 | Project board system |
| CN110415614A (en) * | 2019-08-27 | 2019-11-05 | 体验科技股份有限公司 | A kind of true colour display screen showing device of full tunnel and method |
| CN110660238A (en) * | 2019-09-28 | 2020-01-07 | 徐州奥拉可电子科技有限公司 | High-risk area traffic command console based on unmanned aerial vehicle projection and command method thereof |
-
2012
- 2012-05-11 CN CN 201220211548 patent/CN203164583U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732850A (en) * | 2017-04-25 | 2018-11-02 | 张家港康得新光电材料有限公司 | Project board system |
| CN110415614A (en) * | 2019-08-27 | 2019-11-05 | 体验科技股份有限公司 | A kind of true colour display screen showing device of full tunnel and method |
| CN110660238A (en) * | 2019-09-28 | 2020-01-07 | 徐州奥拉可电子科技有限公司 | High-risk area traffic command console based on unmanned aerial vehicle projection and command method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU SHIYOUPU PHOTOELECTRIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SUZHOU JUXIANG TECHNOLOGY CO., LTD. Effective date: 20150526 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215163 SUZHOU, JIANGSU PROVINCE TO: 215123 SUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150526 Address after: 215123, Jiangsu, Suzhou Province Industrial Park, Jinji Lake Road, No. 99, Suzhou nano West District North NW02-405 Patentee after: Suzhou by spectrum Photoelectric Technology Co., Ltd. Address before: Eswell road Suzhou New District Science and technology city of Suzhou city in Jiangsu province 215163 No. 2 garden room M3-105 micro system Patentee before: Suzhou Juxiang Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20190511 |