CN203340200U - A PDLC transparent projection display device - Google Patents
A PDLC transparent projection display device Download PDFInfo
- Publication number
- CN203340200U CN203340200U CN201320347032XU CN201320347032U CN203340200U CN 203340200 U CN203340200 U CN 203340200U CN 201320347032X U CN201320347032X U CN 201320347032XU CN 201320347032 U CN201320347032 U CN 201320347032U CN 203340200 U CN203340200 U CN 203340200U
- Authority
- CN
- China
- Prior art keywords
- pdlc
- transparent
- display screen
- projecting apparatus
- transparent display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 title claims abstract description 101
- 239000007787 solid Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 8
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 201000009310 astigmatism Diseases 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Transforming Electric Information Into Light Information (AREA)
Abstract
Provided is a PDLC transparent projection display device which comprises at least one PDLC transparent display screen, projectors, and a video generating device. The number of the projectors corresponds to that of the PDLC transparent display screens. Compared with a product in the prior art, the PDLC transparent projection display device has characteristics of simple manipulation, energy conservation and environmental friendliness, and a long service life because the PDLC transparent display screen does not need a complex driving circuit and an extra backlight to display frames. In addition, the PDLC transparent projection display device is capable of achieving a multi-frame display function by the design of combination with different numbers of the PDLC transparent display screens and the projectors.
Description
Technical field
The utility model relates to middle large display device field, the transparent projection display equipment of especially a kind of PDLC.
Background technology
Along with the development of Display Technique, its application surface is more and more wider, and size is done larger and larger, and the particularly at present application on building, decoration, showcase and outdoor billboard, to all having increased requirement in size, outward appearance and useful life etc. of display device.
At present main flow for outdoor advertising, building outdoor display, the giant display part that indoor product introduction is used comprises: electronics full color display, LCDs, turning plane advertising plate, LED array color screen etc.Wherein, the cost of electronics full color display and LCDs is along with the increase of size can present giant's amplification, and while such as the size when the electronics full color display, reaching 100 cun, its price often will reach even 1,000,000 left and right of hundreds of thousands.And this type of display device is on the large scale manufacture craft, there is certain problem, such as the driving problems of large-sized liquid crystal display, can have the problems such as delay of front and back, one-way road pixel, the power consumption of this class display is also often large than regular display in addition, does not meet advocating of energy-saving and emission-reduction.
And turning plane advertising plate can only show tableaux, and the rotation width number of tableaux is also very limited, and the play content dullness can't be used for carrying out the advertising of large information.
The LED array color screen can be used for manufactured size and surpass the display device of 100 cun.Yet the drive circuit relative complex of LED array color screen is also relatively slightly poor for the display capabilities of dynamic menu, be mainly reflected in color distortion, picture postpone higher, the pixel granular sensation is too strong etc.In addition for the LED array color screen, its useful life, under intensive work time and outdoor adverse circumstances, the working life of LED was shorter depending on the life-span of each LED, downright bad LED often occurs, thereby make the color screen of whole LED array the problems such as bright spot, dim spot or concealed wire occur.
Therefore in existing large-scale outdoor display part field, also there is no a kind of low-cost budget that both met, higher display effect can be arranged again and produce than the scheme of long service live.
The utility model content
In view of this, the purpose of this utility model is to propose the transparent projection display equipment of a kind of PDLC, and this display unit is as a kind of new outdoor large-scale display device that can be used as, and has display effect simple in structure, with low cost, good and performance reliably.
The transparent projection display equipment of a kind of PDLC proposed according to the purpose of this utility model, comprise at least one PDLC transparent display screen, the projecting apparatus corresponding with described PDLC transparent display screen quantity, and video generating apparatus, described projecting apparatus is connected by transmission of video interface or wireless communication module with the video generating apparatus, and described PDLC transparent display screen is arranged on a focal plane of described projecting apparatus.
Preferably, to meet projector projects just in time identical with the viewing area of PDLC transparent display screen to the picture size on the PDLC transparent display screen to the distance of described PDLC transparent display screen for described projecting apparatus.
Preferably, also comprise main body frame, described projecting apparatus and PDLC transparent display screen are made in this main body frame.
Preferably, described main body frame is the solid geometry framework, and described PDLC is arranged on a main facade of this solid geometry framework, and described projecting apparatus is placed on this solid geometry framework inside on the direction of main facade.
Preferably, the quantity of described PDLC transparent display screen is greater than 1, and these PDLC transparent display screens are arranged on the different side elevations of described main body frame, forms the picture disply to all directions.
Preferably, described video generating apparatus is PC, DVD, VCD or MP4.
Preferably, described projecting apparatus is LCD projecting apparatus, DLP projecting apparatus or CRT projecting apparatus.
Preferably, the surface of described PDLC transparent display screen is curved surface.
Compared with prior art, technical advantage of the present utility model is:
First: use the combination of video generating apparatus+projecting apparatus, solve the problem of video source, make the output of video there is stable and high-quality characteristic;
Second: use PDLC as transparent display screen, without complicated drive circuit and extra backlight, there is characteristics such as controlling simple, energy-conserving and environment-protective, with low cost, long service life;
The 3rd: the combination of PDLC transparent display screen and projecting apparatus is flexible and changeable, can be designed to as required that multiaspect shows or other forms, as the display unit of curved surface etc., has improved the using value of display unit.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the transparent projection display equipment of PDLC of the utility model the first execution mode.
Fig. 2 is the various shape schematic diagrames of the utility model PDLC transparent display screen.
Fig. 3 is the structural representation of the transparent projection display equipment of PDLC of the utility model the first execution mode.
Embodiment
As described in the background art, in more existing giant display parts, electronics full color display and LCDs are because the manufacture craft difficulty is large, with high costs, product quality problem easily occurs, and the power consumption of large-screen is serious, does not meet the requirement of energy-conserving and environment-protective.And the LED array color screen, due to the drive circuit complexity, picture display effect is poor, and the life-span of LED is relatively short, and the situation of bad point or bad line often appears in product, brings impact to the application of LED array color screen.
Therefore, the utility model proposes the transparent projection display equipment of a kind of PDLC.It is video source that this display unit be take common video pictures generating apparatus, take projecting apparatus as the picture transfer mechanism, take PDLC as display screen.Have simple in structurely, the picture disply quality is high, simultaneously for different outward appearance demands, the PDLC display screen can be made into to different shapes, meets the diversity requirement of attractive in appearance, flexible for installation and display effect.By application of the present utility model, will provide a kind of brand-new technical solution to demonstration field, open air, make the practicality of large-scale outdoor display screen greatly improve.
Below, will be described in detail the technical solution of the utility model.
Refer to Fig. 1, Fig. 1 is the structural representation of the transparent projection display equipment of PDLC under the utility model the first execution mode.As shown in the figure, the transparent projection display equipment 1 of this PDLC comprises PDLC transparent display screen 10, projecting apparatus 20, and video generating apparatus 30.Wherein, this PDLC transparent display screen 10 and projecting apparatus 20 are made in the main body frame 100 of this display unit 1, and this main body frame 100, for different application scenarios, has different design flexibilitys.For example, when transparent projection display equipment of the present utility model is used as the outdoor advertising display at building, this main body frame 100 can be in conjunction with exterior wall and the inner intrinsic building structure of building, such as PDLC transparent display screen 10 is arranged on external wall, projecting apparatus 20 is positioned over to interior of building.Again for example when transparent projection display equipment of the present utility model is used in exhibition room as the exhibition display unit, this main body frame 100 can be designed to the solid geometry frameworks such as a kind of cuboid, square, cylinder, PDLC transparent display screen 10 is arranged on a main facade of these solid geometry frameworks, projecting apparatus 20 is placed on to framework inside on the direction of main facade, thereby forms effective projection mechanism.Should be understood that, the major function of this main body frame 100 be to provide PDLC transparent display screen 10 of the present utility model and 20 1 of projecting apparatus can install, fixing and provide the device of a reliability service environment for the work of these two parts, when applied out of doors, this main body frame 100 will meet the reliability design of the basic demand such as leaking informaton, rainproof, sun-proof, dustproof and then carrying out usually.And in outdoor utility, this main body frame 100 meets firmly again, size to fit and the requirement such as attractive in appearance simultaneously.As for key elements such as the shape of this main body frame 100, structures, can make different application scenarios, carry out the flexibility design in conjunction with current environment, be not fixing framework.
PDLC transparent display screen 10 is a kind of PDLC display screens, this display screen mixes low molecular weight liquid crystal with the pre-polymerization phase, under certain condition through polymerization reaction, form micron-sized liquid crystal droplet and be evenly dispersed in macromolecule network, the dielectric anisotropy of recycling liquid crystal molecule obtains has the electro-optic response characteristic.Usually the PDLC transparent display screen has astigmatism and two kinds of operating states of printing opacity.The normal white property PDLC transparent display screen of take is example, under the situation without applied voltage, between screen, can not form regular electric field, and the direction of optic axis of liquid crystal particle is random, presents disordered state, its effective refractive index not with the index matching of polymer.Incident ray is by strong scattering, and it is opaque or translucent that film is.
When having applied external voltage, the optical axis normal to screen surface alignment of liquid crystal particle, consistent with direction of an electric field.The ordinary refraction index of liquid crystal particle and the refractive index of polymer are mated substantially, without obvious interface, have formed a basic medium uniformly, so incident light scattering can not occur, film is transparence.Therefore, under the driving of extra electric field, the PDLC transparent display screen can switch between astigmatism and printing opacity two states.
According to this characteristic, after the projected picture of projecting apparatus 20 projects on PDLC transparent display screen 10, if PDLC transparent display screen 10 is at astigmatic state, now PDLC as common projection screen, after projected picture projects on this PDLC transparent display screen, present a real image, spectators can observe this real image in the both sides of screen.And during at light transmission state, be equivalent to a holographic film when the PDLC transparent display screen, now spectators can all can be observed the demonstration image by the both sides of this PDLC transparent display screen.
This PDLC transparent display screen 10 is arranged on a focal plane of projecting apparatus 20.Preferably, it is just in time identical with the viewing area of PDLC transparent display screen 10 that this projecting apparatus 20 meets to the distance of this PDLC transparent display screen 10 picture size that projecting apparatus 20 projects on PDLC transparent display screen 10, so, can maximizedly utilize the size of PDLC transparent display screen 10, make the picture of demonstration large as much as possible.At some in feasible application, this projecting apparatus 20 is to the distance of PDLC transparent display 10 between 0.5 meter to 5 meters, and the size of this PDLC transparent display 10 is between 20 cun to 150 cun.
As shown in Figure 2, the shape of this PDLC transparent display screen 10 can be polygon, circle or irregular figure, such as rectangle, hexagon or circle.So design, can so that the utility model in appearance, can do adaptive adjustment with the application scenario of this display device, thereby, on the basis of product practicality, have more aesthetic.More preferred, because the pliability of PDLC material is higher, can be curved surface by the surface design of PDLC transparent display screen 10, thereby meet the needs of product diversity.
Refer to Fig. 3, Fig. 3 is the structural representation of the transparent projection display equipment of PDLC under the second execution mode of the present utility model.In execution mode one, the transparent projection display equipment of PDLC only has a PDLC transparent display screen and the projecting apparatus on 1 direction.And, in execution mode two, a kind of display unit with a plurality of PDLC transparent display screens of multiple directions has been proposed.As shown in Figure 3, the transparent projection display equipment of this PDLC comprises two PDLC transparent display screens 10 ', be arranged at respectively on two opposites of main body frame 100 ', between these two PDLC transparent display screens 10 ', be provided with two projecting apparatus 20 ', respectively corresponding two PDLC transparent display screens 10 ', in order to render to picture on each self-corresponding PDLC transparent display screen 10 '.These two projecting apparatus 20 ' can be connected on a video generating apparatus, by the control of video generating apparatus, realize on two PDLC transparent display screens carrying out synchronous video and show.These two projecting apparatus 20 ' also can connect a video generating apparatus separately, like this, on two PDLC transparent display screens, can show same video, also can show different videos.These two PDLC are arranged on two opposing directions, the single display device the is possessed ability that shows of multiaspect.
According to execution mode two, several modes of texturing that can be unfolded as follows, such as two PDLC transparent display screens being arranged on two adjacent surfaces of main body frame, perhaps the quantity of these PDLC transparent display screens is more than 2, be separately positioned on the different side elevations of main body frame, even main body frame the PDLC transparent display screen all is set on the direction that likely forms, form the picture disply to all directions.For display unit of the present utility model, the design flexibility that its multiaspect shows has also obtained embodiment, can be increased and decreased for different application scenarioss like this.
In sum, the utility model proposes the transparent projection display equipment of a kind of PDLC, this display unit is used the compound mode of video generating apparatus+projecting apparatus, and stable dynamic video output is provided, and the reproduction that realizes picture by astigmatism and the printing opacity principle of PDLC.The prior art of comparing, because the PDLC transparent display screen carries out picture disply without complicated drive circuit and extra backlight, institute is so that display unit of the present utility model has simple to operate, energy-conserving and environment-protective, the characteristics such as long service life, by PDLC transparent display screen and the projecting apparatus of the combination of design varying number, can allow display unit of the present utility model realize the function that multiaspect shows in addition.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. the transparent projection display equipment of PDLC, it is characterized in that: comprise at least one PDLC transparent display screen, the projecting apparatus corresponding with described PDLC transparent display screen quantity, and video generating apparatus, described projecting apparatus is connected by transmission of video interface or wireless communication module with the video generating apparatus, and described PDLC transparent display screen is arranged on a focal plane of described projecting apparatus.
2. the transparent projection display equipment of PDLC as claimed in claim 1 is characterized in that: it is just in time identical with the viewing area of PDLC transparent display screen to the picture size on the PDLC transparent display screen that described projecting apparatus meets projector projects to the distance of described PDLC transparent display screen.
3. the transparent projection display equipment of PDLC as claimed in claim 1, it is characterized in that: also comprise main body frame, described projecting apparatus and PDLC transparent display screen are made in this main body frame.
4. the transparent projection display equipment of PDLC as claimed in claim 3, it is characterized in that: described main body frame is the solid geometry framework, described PDLC is arranged on a main facade of this solid geometry framework, and described projecting apparatus is placed on this solid geometry framework inside on the direction of main facade.
5. the transparent projection display equipment of PDLC as claimed in claim 3, it is characterized in that: the quantity of described PDLC transparent display screen is greater than 1, these PDLC transparent display screens are arranged on the different side elevations of described main body frame, form the picture disply to all directions.
6. the transparent projection display equipment of PDLC as claimed in claim 1, it is characterized in that: described video generating apparatus is PC, DVD, VCD or MP4.
7. the transparent projection display equipment of PDLC as claimed in claim 1, it is characterized in that: described projecting apparatus is LCD projecting apparatus, DLP projecting apparatus or CRT projecting apparatus.
8. the transparent projection display equipment of PDLC as claimed in claim 1, it is characterized in that: described PDLC transparent display screen is circle or polygon.
9. the transparent projection display equipment of PDLC as claimed in claim 8, it is characterized in that: the surface of described PDLC transparent display screen is curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320347032XU CN203340200U (en) | 2013-06-18 | 2013-06-18 | A PDLC transparent projection display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320347032XU CN203340200U (en) | 2013-06-18 | 2013-06-18 | A PDLC transparent projection display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203340200U true CN203340200U (en) | 2013-12-11 |
Family
ID=49708851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320347032XU Expired - Lifetime CN203340200U (en) | 2013-06-18 | 2013-06-18 | A PDLC transparent projection display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203340200U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103313014A (en) * | 2013-06-18 | 2013-09-18 | 张家港康得新光电材料有限公司 | PDLC (polymer dispersed liquid crystal) transparent projection display device |
| CN104199847A (en) * | 2014-08-08 | 2014-12-10 | 科世达（上海）管理有限公司 | Automobile-mounted information processing system |
| CN105704414A (en) * | 2016-03-31 | 2016-06-22 | 佛山市章扬科技有限公司 | No-screen television |
| CN105872751A (en) * | 2016-03-31 | 2016-08-17 | 佛山市章扬科技有限公司 | Screen-free television capable of playing through multiple sound channels |
| CN105898255A (en) * | 2016-05-30 | 2016-08-24 | 佛山市章扬科技有限公司 | Screen-free television capable of performing polyhedral projection |
| CN108628080A (en) * | 2018-05-16 | 2018-10-09 | 张家港康得新光电材料有限公司 | A kind of line holographic projections film and its preparation method and application |
| WO2021139995A1 (en) | 2020-01-06 | 2021-07-15 | Saint-Gobain Glass France | Glass vehicle side window and partition window with active projection transparent screen |
-
2013
- 2013-06-18 CN CN201320347032XU patent/CN203340200U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103313014A (en) * | 2013-06-18 | 2013-09-18 | 张家港康得新光电材料有限公司 | PDLC (polymer dispersed liquid crystal) transparent projection display device |
| CN104199847A (en) * | 2014-08-08 | 2014-12-10 | 科世达（上海）管理有限公司 | Automobile-mounted information processing system |
| CN105704414A (en) * | 2016-03-31 | 2016-06-22 | 佛山市章扬科技有限公司 | No-screen television |
| CN105872751A (en) * | 2016-03-31 | 2016-08-17 | 佛山市章扬科技有限公司 | Screen-free television capable of playing through multiple sound channels |
| CN105898255A (en) * | 2016-05-30 | 2016-08-24 | 佛山市章扬科技有限公司 | Screen-free television capable of performing polyhedral projection |
| CN108628080A (en) * | 2018-05-16 | 2018-10-09 | 张家港康得新光电材料有限公司 | A kind of line holographic projections film and its preparation method and application |
| WO2021139995A1 (en) | 2020-01-06 | 2021-07-15 | Saint-Gobain Glass France | Glass vehicle side window and partition window with active projection transparent screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203340200U (en) | A PDLC transparent projection display device | |
| US10788699B2 (en) | Switchable projection panel | |
| CN202677779U (en) | Display device on transparent media | |
| CN102929384A (en) | Three-dimensional electronic sand board device | |
| CN206450918U (en) | Liquid crystal light modulation interactive electric whiteboard | |
| CN108845426A (en) | A technical realization scheme of naked-eye 3D-LED large screen | |
| US11822167B2 (en) | Display module and display device | |
| CN101339309B (en) | Convertible display screen and its three-dimensional display device | |
| WO2018076669A1 (en) | Display panel and driving and manufacturing method therefor, and display apparatus | |
| CN103313014A (en) | PDLC (polymer dispersed liquid crystal) transparent projection display device | |
| CN204389791U (en) | A kind of air conditioner display device and air conditioner | |
| CN202434173U (en) | Large screen rear projection high resolution advertising wall system structure | |
| CN106384570A (en) | Advertising box | |
| CN206411408U (en) | Projection arrangement | |
| CN204155569U (en) | Ultra high-definition advertisement splicing wall | |
| CN117153060B (en) | An LED screen for night vision training | |
| CN204390677U (en) | A kind of outdoor projection formula billboard | |
| CN2718623Y (en) | Black grid precision display projetion screen | |
| CN205376024U (en) | Large screen LED splices screen | |
| Sun et al. | 54.4: Novel Transparent Emissive Display on Optic‐Clear Phosphor Screen | |
| CN204189363U (en) | Lcd technology apparatus for demonstrating | |
| Anderson | Advanced display technologies | |
| CN209231658U (en) | A naked-eye three-dimensional advertising machine | |
| TWI423215B (en) | Driving method for bistable display | |
| CN112863368B (en) | Multi-picture display method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20131211 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220121 Granted publication date: 20131211 |
|
| PD01 | Discharge of preservation of patent | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |