CN203480202U - Seamless optical processing large screen system - Google Patents
Seamless optical processing large screen system Download PDFInfo
- Publication number
- CN203480202U CN203480202U CN201320538512.4U CN201320538512U CN203480202U CN 203480202 U CN203480202 U CN 203480202U CN 201320538512 U CN201320538512 U CN 201320538512U CN 203480202 U CN203480202 U CN 203480202U
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- screen
- rear projection
- housing
- image processor
- projection screen
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- Overhead Projectors And Projection Screens (AREA)
Abstract
The utility model provides a seamless optical processing large screen system and relates to a screen system. The seamless optical processing large screen system comprises an outer frame, a rear projection screen, engineering projectors, optical reflection mirrors, an image processing system, a decoder, a temperature control switch, an air supply fan and an exhaust fan. The outer frame is a sealed box body, a lower left ventilation hole is formed below the left side of the outer frame, and an upper right ventilation hole is formed above the right side of the outer frame. The air supply fan is arranged on the lower left ventilation hole and the exhaust fan is arranged on the upper right ventilation hole. The rear projection screen is a splice-less rear projection screen and arranged on the front of the outer frame. The engineering projectors, the optical reflection mirrors, the image processing system, the decoder and the temperature control switch are all arranged in the outer frame. The image processor is provided with an edge fusion device and a multi-screen image processor, the input end of the edge fusion device is connected with the output end of the multi-screen image processor, the output end of the edge fusion device is connected with the input ends of the engineering projectors, and the input end of the multi-screen image processor is connected with an external signal source. DVI digital signal transmission is carried out between the edge fusion device and the engineering projectors and between the edge fusion device and the multi-screen image processor.
Description
Technical field
The utility model relates to screen system, especially relates to a kind of seamless optical processing large screen system.
Background technology
Since the First sphere display appearance of 20th century, people constantly explore in display terminal field and research, have invented and created the display terminal of all polymorphic types and feature, as liquid crystal display, and LED display, rear-projection TV, plasm TV; Now people constantly rise to the demand of information, and appreciation level is also more and more higher, and each field is to the requirement of the large scale display system irresistible main flow that becomes.
At present main large scale display system comprises LED combination, liquid crystal display splicing wall, plasma combination, DLP rear-projection combination on the market, and in recent years release without physical-gap, show wall; The splicing seams of all types of combinations will certainly affect picture appreciation effect, and combination ubiquity piece size is unstable, the inconsistent problem of split screen color.
And occur in recent years without physical-gap, show wall, its principle is that rear projection screen adopts the integral body without physical-gap, come into operation Duo Tai projector projection of screen back, Mei Tai projector projected area is identical with correction box inward flange planned in advance on rear projection screen, thereby realizes whole screen without physical-gap display frame; Although this demonstration wall has been eliminated the splicing seams problem of picture, but Mei Tai projector is different with respect to screen spectators' angle, the picture of the picture Zhong Meitai projector projection that final spectators see is particularly at the edge of picture, color and luminance difference are obvious, and the stability of screen also has problems.
On market, also have a class rear-projection to show that wall adopts edge fusion technology that several rear-projection units are fused into single picture and realizes without the large picture of splicing, but this series products is in the market due to the excessive not relevant rational supporting design of projection screen, often there is screen out-of-flatness, merge and be with the defects such as unstable, function singleness.
Chinese patent CN1109600 discloses the one chip large screen color liquid crystal display screen of high, colored good, the all-plastic screen of a kind of brightness without pixel gap 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 board; A projection microlens array plate; A light Column array board and a display pannel form.High without image point gap, brightness, colored good video image be can produce, the one chip large-sized solor flat panel TV of tens inches to tens inches and other video display screen and tens inches can be used for manufacturing to hundreds of inch or larger spliced jumbotron color video display screen.
Summary of the invention
The purpose of this utility model is to provide does not have splicing seams, system stability, resolution and picture brightness are higher, viewing angle is larger, Presentation Function is abundant, each position of view picture picture does not have brightness and color error ratio, and screen size and ratio can be standard systems or according to any a kind of seamless optical processing large screen system of customization of user's request.
The utility model is provided with housing, rear projection screen, engineering projector, optical mirror, image processing system, demoder, temperature detect switch (TDS), supply fan and vent fan;
Described housing is enclosed housing, below, housing left side is provided with lower-left air-vent, top, housing right side is provided with upper right air-vent, described supply fan is located on the air-vent of lower-left, described vent fan is located on the air-vent of upper right, described rear projection screen adopts without splicing rear projection screen, rear projection screen is located at housing front, four edges of rear projection screen are provided with spring, described engineering projector, optical mirror, image processing system, demoder, temperature detect switch (TDS) is all located at housing inside, image processor is provided with Fusion Edges device and multi-screen image processor, the output terminal of the input termination multi-screen image processor of Fusion Edges device, the input end of the output termination engineering projector of Fusion Edges device, the input termination external signal source of multi-screen image processor, between Fusion Edges Qi Yu engineering projector, multi-screen image processor, adopt DVI digital data transmission.
Described engineering projector can adopt digit optical to process (DLP) engineering projector.
Described housing inwall is provided with black matt enamelled coating, and the top of housing can be designed to arch (bridge) type.
Described rear projection screen can adopt without splicing rear projection screen, can adopt the hard curtain of optics or the aobvious curtain of black grid essence.
Described multi-screen image processor can adopt plate mode card multi-screen image processor.
Because housing is enclosed housing, therefore can significantly reduce the probability that dust enters; Because the top design of housing is arch (bridge) type, when therefore the and external world large in rear projection screen length cannot provide pulling force, balance is stood voluntarily, and maintenance horizontal linearity; Due to housing internal spray black matt enamelled coating, therefore can prevent the secondary reflection of engineering projector and optical mirror; Housing can adopt integrated mode simultaneously, therefore detachably transports and is convenient to and install; Because rear projection screen adopts without splicing rear projection screen, can adopt the hard curtain of optics or the aobvious curtain of black grid essence, so visual angle is large, can reach 170 ° of horizontal directions, 110 ° of vertical directions, size can be according to user's request free setting, can curling packed and transported; Owing to using engineering projector on light source, therefore have that primary contrast is high, machine miniaturization, light path adopt closed three large features, effectively improve image quality, reduce the thickness of housing; Single engineering projector resolution is 1920 * 1200 or customizes according to user's request; Engineering projector locks with housing after adjusting position; Owing to introducing optical mirror, engineering projector throw light reflexes on rear projection screen through optical mirror, therefore can dwindle the apparent thickness of housing and avoid solar effect, and in addition, optical mirror front can adopt vacuum coating technology; Because four edges of rear projection screen are provided with spring, therefore, when rear projection screen inner and outer air pressure is uneven or be subject to artificially impacting, can significantly suppress hooking.
The utility model effectively solves large-screen splicing seams problem, seamless curtain wall performance is unstable and aberration problem, picture effect is excellent, Presentation Function is abundant, and it is convenient to transport, install, debug, and can be applicable to conference system, control and command center, shows the multiple occasions such as show room, media terminal.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the inner structure schematic diagram of the utility model embodiment.
Fig. 3 is the signal processing flow figure of the utility model embodiment.
Fig. 4 is the temperature and pressure control system schematic diagram of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
As shown in Fig. 1～4, the utility model embodiment is provided with housing 1, rear projection screen 2, engineering projector 7, optical mirror 6, image processing system 9, demoder 10, temperature detect switch (TDS) 8, supply fan 11, vent fan 12.
Described housing 1 is enclosed housing, housing 1 below, left side is provided with lower-left air-vent 5, housing 1 top, right side is provided with upper right air-vent 4, described supply fan 11 is located on lower-left air-vent 5, described vent fan 12 is located on upper right air-vent 4, described rear projection screen 2 adopts without splicing rear projection screen, rear projection screen 2 is located at housing 1 front, 2 four edges of rear projection screen are provided with spring 3, described engineering projector 7, optical mirror 6, image processing system 9, demoder 10, temperature detect switch (TDS) 8 is all located at housing 1 inside, image processor 9 is provided with Fusion Edges device 33 and multi-screen image processor 32, the output terminal of the input termination multi-screen image processor 32 of Fusion Edges device 33, the input end of the output termination engineering projector 7 of Fusion Edges device 33, the input termination external signal source of multi-screen image processor 32, between Fusion Edges Qi33Yu engineering projector 7, multi-screen image processor 32, adopt DVI digital data transmission.
Described engineering projector adopts digit optical to process (DLP) engineering projector.
Described housing 1 internal spray black matt enamelled coating, the top 13 of housing 1 can be designed to arch (bridge) type.
Described rear projection screen 2 adopts without splicing rear projection screen, can adopt the hard curtain of optics or the aobvious curtain of black grid essence.
Described multi-screen image processor 32 adopts plate mode card multi-screen image processor.
In Fig. 3, mark 31 is input signal source; In image processor 9, 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 indivedual colors, projected picture side by side a plurality of or arranged side by side is fused into a whole picture without splicing, thorough solution edge aberration problem, intelligent and artificial two kinds of correction modes also more save by, the manual debugging time more accurate with the geometry correction that fusion is with; Fusion Edges device 33 and many TaiDLP engineering projector (701,702,703 ...) between, between multi-screen image processor 32 and Fusion Edges device 33, all use DVI digital data transmission, eliminated the decay of large screen system internal signal processing procedure; Multi-screen image processor 32 adopts 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 operation readiness of plate mode card changes scheme temporarily and increases the demand of input interface quantity.
At the inner high definition demoder 10 that embeds of housing 1, and usb data transmission interface is drawn out to large screen system housing 1, user only need access hard disk USB interface when there is no relevant device just can play HD video, browsing pictures and lantern slide, meets the requirement of user to large screen system function diversification.
Air intake opening 5 and exhausr port 4 at housing 1 are installed respectively quiet supply fan and vent fan, and be connected with the general supply of large screen system by described temperature detect switch (TDS) 8, the node temperature user of temperature detect switch (TDS) 8 can be according to environment for use free setting, guarantee the inner constant temperature and pressure of housing 1 and good ventilation, the radiating mode of this design improves the LiaoDLP engineering 7 chip life-spans of projector, has eliminated the unbalance problem of large screen system housing 1 inner and outer air pressure.In Fig. 4, mark 44 is the total power switch of seamless DLP large screen system.
Because housing 1 is integrated mode, so the size of housing 1 can extend arbitrarily expansion according to the size of rear projection screen 2.
The utility model effectively solves large-screen splicing seams problem, seamless curtain wall performance is unstable and aberration problem, picture effect is excellent, Presentation Function is abundant, and it is convenient to transport, install, debug, and can be applicable to conference system, control and command center, shows the multiple occasions such as show room, media terminal.
Claims (7)
1. a seamless optical processing large screen system, is characterized in that being provided with housing, rear projection screen, engineering projector, optical mirror, image processing system, demoder, temperature detect switch (TDS), supply fan and vent fan;
Described housing is enclosed housing, below, housing left side is provided with lower-left air-vent, top, housing right side is provided with upper right air-vent, described supply fan is located on the air-vent of lower-left, described vent fan is located on the air-vent of upper right, described rear projection screen adopts without splicing rear projection screen, rear projection screen is located at housing front, four edges of rear projection screen are provided with spring, described engineering projector, optical mirror, image processing system, demoder, temperature detect switch (TDS) is all located at housing inside, image processor is provided with Fusion Edges device and multi-screen image processor, the output terminal of the input termination multi-screen image processor of Fusion Edges device, the input end of the output termination engineering projector of Fusion Edges device, the input termination external signal source of multi-screen image processor.
2. a kind of seamless optical processing large screen system as claimed in claim 1, is characterized in that described engineering projector adopts digit optical to process engineering projector.
3. a kind of seamless optical processing large screen system as claimed in claim 1, is characterized in that described housing inwall is provided with black matt enamelled coating.
4. a kind of seamless optical processing large screen system as claimed in claim 1, the top that it is characterized in that described housing is arch (bridge) type top.
5. a kind of seamless optical processing large screen system as claimed in claim 1, is characterized in that described rear projection screen adopts without splicing rear projection screen.
6. a kind of seamless optical processing large screen system as described in claim 1 or 5, is characterized in that described rear projection screen adopts the hard curtain of optics or the aobvious curtain of black grid essence.
7. a kind of seamless optical processing large screen system as claimed in claim 1, is characterized in that described multi-screen image processor adopting plate mode card multi-screen image processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538512.4U CN203480202U (en) | 2013-08-30 | 2013-08-30 | Seamless optical processing large screen system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538512.4U CN203480202U (en) | 2013-08-30 | 2013-08-30 | Seamless optical processing large screen system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203480202U true CN203480202U (en) | 2014-03-12 |
Family
ID=50228504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320538512.4U Expired - Fee Related CN203480202U (en) | 2013-08-30 | 2013-08-30 | Seamless optical processing large screen system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203480202U (en) |
-
2013
- 2013-08-30 CN CN201320538512.4U patent/CN203480202U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20140312 Termination date: 20210830 |