CN102883125A - Splicing-free oversize-screen display system - Google Patents
Splicing-free oversize-screen display system Download PDFInfo
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- CN102883125A CN102883125A CN2012103568474A CN201210356847A CN102883125A CN 102883125 A CN102883125 A CN 102883125A CN 2012103568474 A CN2012103568474 A CN 2012103568474A CN 201210356847 A CN201210356847 A CN 201210356847A CN 102883125 A CN102883125 A CN 102883125A
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Abstract
A splicing-free oversize-screen display system relates to a screen display system and comprises an outer frame, a rear projection screen, buffer springs, a DLP (Digital Light Processing) engineering projection machine, an image processing system, a decoder, a supply fan, an exhaust fan, a temperature control switch and an optical reflection mirror, wherein a black matte paint layer is sprayed in the outer frame; an air inlet hole is formed at the position below the left side surface of the outer frame; the supply fan is arranged in the air inlet hole; an exhaust hole is formed at the position above the right side surface of the outer frame; the exhaust fan is arranged in the exhaust hole; the rear projection screen adopts a splicing-free rear projection screen which is arranged on the front side of the outer frame; the buffer springs are arranged at the four edges of the rear projection screen; the engineering projection machine, the image processing system, the decoder, the temperature control switch and the optical reflection mirror are arranged in the outer frame; an edge-blending device and a multiscreen image processor are arranged on the image processing system; and the input end of the edge-blending device is connected with the output end of the multiscreen image processor, the output end of the edge-blending device is connected with the DLP engineering projection machine, and the input end of the multiscreen image processor is connected with a signal source.
Description
Technical field
The present invention relates to a kind of on-screen display system, especially relate to a kind of high-definition intelligent without the splicing ultra-large screen display system.
Background technology
Since the appearance of eighties of last century First sphere display, people constantly explore in the display terminal field and research, have invented and created the display terminal of all polymorphic types and characteristics, such as liquid crystal display, LED display, rear-projection TV, plasm TV etc.; The now people constantly rise to the demand of information, and appreciation level is also more and more higher, and each field has become main flow to the requirement of large scale display system irresistiblely.
At present on the market main large scale display system comprise LED combination, liquid crystal display splicing wall, plasma combination, DLP rear-projection combination and in recent years release show wall without the physics slit; The splicing seams of all types of combinations will certainly affect the picture appreciation effect, and combination ubiquity piece size is unstable, the inconsistent problem of split screen color.
And occur in recent years show wall without the physics slit, its principle is rear projection screen, employing is without the integral body in physics slit, screen back many projectors projection that comes into operation, every projector's projected area is identical with correction box inward flange planned in advance on the rear projection screen, thereby realizes that whole screen is without the display frame of physics slit; Although this demonstration wall has been eliminated the splicing seams problem of picture, but every projector is different with respect to screen spectators' angle, the picture of every projector's projection is particularly at the edge of picture in the picture that final spectators see, color and luminance difference are apparent in view, and the stability of screen also has problems.
Also have a class rear-projection to show wall on the market, adopting edge fusion technology that several rear-projection units are fused into single picture realizes without the large picture of splicing, but this series products in the market is because the excessive relevant rational supporting design of projection screen, the screen out-of-flatness often arranged, merge defectives such as being with unstable, function singleness.
One kind of Chinese patent CN1109600 is high, colored good without the brightness in pixel gap, the one chip large screen color liquid crystal display screen of all-plastic screen and without the spliced colored jumbotron LCDs of splicing seams.It mainly comprises a directional light back-illumination source; Assemble microlens array plate for one; A matrix form scattering type liquid crystal display panel; A projection microlens array plate; A light Column array board and a display pannel form.Can produce without high, the colored good video image in image point gap, brightness, can be used for making tens inches to tens inches one chip large-sized solor panel TV and other video display screen and tens inches to hundreds of inch or larger spliced jumbotron color video display screen.
Summary of the invention
The object of the present invention is to provide a kind of splicing seams that do not have, the system stability performance is high, picture brightness is high, viewing angle is large, ultrahigh resolution, Presentation Function is abundant, and each position of view picture picture does not have brightness and color error ratio, screen size and ratio can be standard system or according to user's request arbitrarily the high-definition intelligent of customization without the splicing ultra-large screen display system.
The present invention is provided with housing, rear projection screen, buffer spring, DLP(digital light and processes) engineering projector, image processing system, decoder, supply fan, ventilating fan, temp control switch and optical mirror;
The internal spray black matt enamelled coating of described housing, air admission hole is offered in the left surface below of housing, and described supply fan is located on the air admission hole, and steam vent is offered in the right flank top of described housing, and described ventilating fan is located on the steam vent; Described rear projection screen adopts without the splicing rear projection screen, described rear projection screen is located at the housing front, described buffer spring is located at 4 edges of rear projection screen, and described engineering projector, image processing system, decoder, temp control switch and optical mirror are located in the housing; Described image processing system is provided with Fusion Edges device and multi-screen image processor, the output of the input termination multi-screen image processor of described Fusion Edges device, the output termination DLP engineering projector of Fusion Edges device, the input termination signal source of multi-screen image processor.
The top of described housing 1 can be adopted arch-shaped.
Described rear projection screen can adopt the hard curtain of optics or the smart aobvious curtain of black grid etc.
The DVI digital data transmission can be adopted between described Fusion Edges device and the DLP engineering projector, the DVI digital data transmission can be adopted between multi-screen image processor and the Fusion Edges device.Described multi-screen image processor can adopt the plate mode card.
Because rear projection screen can adopt without the splicing rear projection screen, described rear projection screen can adopt the hard curtain of optics or the smart aobvious curtain of black grid etc., so the visual angle is large, can reach 170 ° of horizontal directions, 110 ° of vertical directions, size can be according to the user's request free setting, can curling packed and transported.
Because 4 edges of rear projection screen are equipped with buffer spring, so can significantly suppress hooking when being subject to air-flow and artificial the impact inside and outside the rear projection screen.
Owing to adopt DLP engineering projector as light source, therefore have primary contrast height, machine miniaturization, light path and adopt closed three large characteristics, the Effective Raise image quality reduces the probability that housing thickness and reduction dust enter; Single DLP engineering projector resolution is 1920 * 1200 or customizes according to user's request; DLP engineering projector locks with housing after adjusting the position.
The present invention is for the apparent thickness of dwindling the display system housing and avoid solar effect, introduce optical mirror, DLP engineering projector throw light reflexes on the rear projection screen through optical mirror, and the positive vacuum coating technology that adopts of optical mirror is to improve the reflectivity to light.
Because image processing system adopts the mode of Fusion Edges device and the combination of multi-screen image processor, the Fusion Edges device utilizes embedded software combination of hardware technology, can merge band brightness according to on-the-spot light environment and use occasion adjustment, and can regulate for individual colors, projected picture side by side a plurality of or arranged side by side is fused into a whole picture without splicing, thoroughly solve edge aberration problem, intelligent and artificial two kinds of correction modes also more save by, the manual debugging time more accurate with the geometric correction that makes the fusion band.Because employing DVI digital data transmission between described Fusion Edges device and the DLP engineering projector, between multi-screen image processor and the Fusion Edges device, so eliminated the decay of display system internal signal processing procedure.In addition, because multi-screen image processor adopting plate mode card, support comprises the analog and digital signal interfaces such as VGA, BNC, component, DVI, input interface type and quantity all can design according to user's request, so the more convenient user of the operation readiness of plate mode card changes the demand of scheme and increase input interface quantity temporarily.
Because at the inner high definition decoder that embeds of display system, and the usb data coffret is drawn out to the display system housing, therefore the user only needs that when not having relevant device hard disk is accessed USB interface and just can play HD video, browsing pictures and lantern slide, satisfies the user to the requirement of Display System Function diversification.
Owing at air inlet and the exhaust outlet of display system housing quiet supply fan and ventilating fan are installed respectively, and be connected with the general supply of display system by temp control switch, the node temperature user of temp control switch can be according to the environment for use free setting, therefore guarantee the inner constant temperature of display system housing and good ventilation, the radiating mode of this design has improved the DLP engineering projector chip life-span, has eliminated the unbalance problem of display system housing inner and outer air pressure.
Because it is arch-shaped that the top of housing can be adopted, when therefore the and external world large in screen length can't provide pulling force voluntarily balance stand and maintenance horizontal linearity.In addition, owing to housing internal spray black matt enamelled coating, therefore can stop the secondary reflection of projector and reflector element.Simultaneously, because air admission hole is offered in left surface below, steam vent is offered in the right flank top, so housing detachably transports and is convenient to and installs.
The present invention effectively solves large-scale demonstration wall splicing seams problem, seamless projection shows wall unstable properties and aberration problem, display effect is excellent, Presentation Function is abundant, and it is convenient to transport, install, debug, and can be applicable to meeting room, control and command chamber, shows the multiple occasions such as the Room, media terminal.
Description of drawings
Fig. 1 is that the overall appearance structure of the embodiment of the invention forms schematic diagram.
Fig. 2 is that the housing internal structure of the embodiment of the invention forms schematic diagram.
Fig. 3 is the signal processing flow figure of the embodiment of the invention.
Fig. 4 is the temp control switch of the embodiment of the invention and the composition schematic diagram of supply fan, ventilating fan and display system master switch.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Shown in Fig. 1 ~ 4, the embodiment of the invention is provided with housing 1, rear projection screen 6, buffer spring 7, DLP(digital light and processes) engineering projector 10, image processing system 11, decoder 12, supply fan 13, ventilating fan 14, temp control switch 15 and optical mirror 16.
The internal spray black matt enamelled coating of described housing 1, air admission hole 4 is offered in left surface 2 belows of housing 1, and described supply fan 13 is located on the air admission hole 4, and steam vent 5 is offered in right flank 3 tops of described housing 1, and described ventilating fan 14 is located on the steam vent 5; Described rear projection screen 6 adopts without the splicing rear projection screen, described rear projection screen 6 is located at housing 1 front, described buffer spring 7 is located at 4 edges of rear projection screen 6, and described engineering projector 10, image processing system 11, decoder 12, temp control switch 15 and optical mirror 16 are located in the housing 1; Described image processing system is provided with Fusion Edges device and multi-screen image processor, the output of the input termination multi-screen image processor 32 of described Fusion Edges device 33, the output termination DLP engineering projector 10 of Fusion Edges device 33, the input termination signal source 31 of multi-screen image processor 32.
The top 9 of described housing 1 can be adopted arch-shaped.
Described rear projection screen 6 can adopt the hard curtain of optics or the smart aobvious curtain of black grid etc.
The DVI digital data transmission can be adopted between described Fusion Edges device and the DLP engineering projector, the DVI digital data transmission can be adopted between multi-screen image processor and the Fusion Edges device.Described multi-screen image processor can adopt the plate mode card.
Seal case structure around housing 1 is designed to, adopt the mechanical balance technology that top 9 is designed to the arch (bridge) type steady type, when large the and external world can't provide pulling force in screen length voluntarily balance stand, and maintenance horizontal linearity, the internal spray black matt coats with lacquer, and stops the secondary reflection of DLP projector 10 and optical mirror 16; Air admission hole 4 is offered in left surface 2 belows of housing 1, and steam vent 5 is offered in right flank 3 tops; The detachable transportation of housing and installation.In Fig. 1, mark 8 is chassis base.
Housing is positive to be used without splicing rear projection screen 6, can be the smart aobvious curtain of the hard curtain of optics or black grid, and the visual angle is large, can reach 170 ° of horizontal directions, 110 ° of vertical directions, and size can be according to the user's request free setting, can curling packed and transported; 4 edges of rear projection screen 6 are equipped with buffer spring 7, can significantly suppress hooking when being subject to air-flow and artificial the impact inside and outside the rear projection screen 6.
At the box house of housing 1, be provided with DLP engineering projector 10, image processing system 11, temp control switch 15, supply fan 13, ventilating fan 14 and high definition decoder 12; DLP engineering projector 10 has primary contrast height, machine miniaturization, light path and adopts closed three large characteristics, the Effective Raise image quality, reduces housing thickness and reduces the probability that dust enters; The resolution of single DLP engineering projector 10 is 1920 * 1200 or customizes according to user's request; DLP engineering projector 10 locks with the display system housing after adjusting the position; At the inner high definition decoder 12 that embeds of display system, and the usb data coffret is drawn out to the display system housing, the user only needs that when not having relevant device hard disk is accessed USB interface just can play HD video, browsing pictures and lantern slide, satisfies the user to the requirement of Display System Function diversification.
As shown in figs. 1 and 4, air inlet 4 and exhaust outlet 5 at housing 1 are installed respectively quiet supply fan 13 and ventilating fan 14, and pass through temp control switch 15 and connect with display system total power switch 17, the node temperature user of temp control switch 15 can be according to the environment for use free setting, guarantee the inner constant temperature of display system housing and good ventilation, the radiating mode of this design has improved the 10 chip life-spans of DLP engineering projector, has eliminated the unbalance problem of housing 1 inner and outer air pressure.
Referring to Fig. 3, in image processing system, adopt the mode of Fusion Edges device 33 and 32 combinations of multi-screen image processor; Fusion Edges device 33 utilizes embedded software combination of hardware technology, can merge band brightness according to on-the-spot light environment and use occasion adjustment, and can regulate for individual colors, projected picture side by side a plurality of or arranged side by side is fused into a whole picture without splicing, thoroughly solve edge aberration problem, intelligent and artificial two kinds of correction modes also more save by, the manual debugging time more accurate with the geometric correction that makes the fusion band; Between Fusion Edges device 33 and 1DLP engineering projector 101,2DLP engineering projector 102 and the 3DLP engineering projector 103, use the DVI digital data transmission between multi-screen image processor 32 and the Fusion Edges device 33, eliminated the decay of display system internal signal processing procedure; Multi-screen image processor 33 adopts the plate mode card, support comprises the analog and digital signal interfaces such as VGA, BNC, component, DVI, input interface type and quantity all can design according to user's request, and the more convenient user of the operation readiness of plate mode card changes scheme temporarily and increases the demand of input interface quantity.In Fig. 3, mark 31 is signal source.
Claims (5)
1. without the splicing ultra-large screen display system, it is characterized in that being provided with housing, rear projection screen, buffer spring, digital light processing engineering projector, image processing system, decoder, supply fan, ventilating fan, temp control switch and optical mirror;
The internal spray black matt enamelled coating of described housing, air admission hole is offered in the left surface below of housing, and described supply fan is located on the air admission hole, and steam vent is offered in the right flank top of described housing, and described ventilating fan is located on the steam vent; Described rear projection screen adopts without the splicing rear projection screen, described rear projection screen is located at the housing front, described buffer spring is located at 4 edges of rear projection screen, and described engineering projector, image processing system, decoder, temp control switch and optical mirror are located in the housing; Described image processing system is provided with Fusion Edges device and multi-screen image processor, the output of the input termination multi-screen image processor of described Fusion Edges device, the output termination digital light of Fusion Edges device is processed engineering projector, the input termination signal source of multi-screen image processor.
2. as claimed in claim 1 without the splicing ultra-large screen display system, it is characterized in that the top of described housing 1 is adopted arch-shaped.
3. as claimed in claim 1 without the splicing ultra-large screen display system, it is characterized in that described rear projection screen adopts the hard curtain of optics or the smart aobvious curtain of black grid.
4. as claimed in claim 1 without the splicing ultra-large screen display system, it is characterized in that adopting the DVI digital data transmission between described Fusion Edges device and the digital light processing engineering projector, adopt the DVI digital data transmission between multi-screen image processor and the Fusion Edges device.
5. as claimed in claim 1 without the splicing ultra-large screen display system, it is characterized in that described multi-screen image processor adopting plate mode card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103568474A CN102883125A (en) | 2012-09-21 | 2012-09-21 | Splicing-free oversize-screen display system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103568474A CN102883125A (en) | 2012-09-21 | 2012-09-21 | Splicing-free oversize-screen display system |
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| CN102883125A true CN102883125A (en) | 2013-01-16 |
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| CN2012103568474A Pending CN102883125A (en) | 2012-09-21 | 2012-09-21 | Splicing-free oversize-screen display system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439860A (en) * | 2013-08-30 | 2013-12-11 | 厦门瑞屏电子科技有限公司 | Seamless optical processing large screen system |
| CN103529633A (en) * | 2013-11-04 | 2014-01-22 | 广东威创视讯科技股份有限公司 | Connection piece structure for connecting joint screens |
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| CN200956086Y (en) * | 2006-01-26 | 2007-10-03 | 北京华控软件技术有限公司 | Arc projection soft screen frame |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103439860A (en) * | 2013-08-30 | 2013-12-11 | 厦门瑞屏电子科技有限公司 | Seamless optical processing large screen system |
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Application publication date: 20130116 |