CN2682451Y - Seamless spliced large screen display device - Google Patents

Seamless spliced large screen display device Download PDF

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Publication number
CN2682451Y
CN2682451Y CN 200420041588 CN200420041588U CN2682451Y CN 2682451 Y CN2682451 Y CN 2682451Y CN 200420041588 CN200420041588 CN 200420041588 CN 200420041588 U CN200420041588 U CN 200420041588U CN 2682451 Y CN2682451 Y CN 2682451Y
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projection
display device
main control
screen display
screen
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CN 200420041588
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雷潇雨
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Abstract

The utility model discloses a seamless spliced large screen display device, comprising main control machines and projection components. The projection components are connected on the main control machines. The seamless spliced large screen display device is characterized in that the main control machine has at least one, and each main control machine controls at least one projection component. Certain distance is arranged between the projection components, and a seamless image is spliced and synthesized by the projection components on the projection screen. Because the main control machines of the utility model decay the overlap region of each subpicture, the slits in the color space and the physical space are cancelled. A seamless and perfect image which can be static or dynamical is formed on the large-screen. The seamless spliced large screen display device can cancel the slit in the color space and also cancel the slit in the physical space.

Description

The seamless splicing large screen display device
Technical field
The utility model relates to the screen display technology field, is specifically related to a kind of seamless splicing large screen display device.
Background technology
The range of application of large screen display is extremely wide, along with social development, and the reinforcement of public life, people are to can more and more feeling essential towards the display device that the public transmits information.From the home theater to the market, the advertisement in supermarket, from the station, the information of harbour, airport is published to the command centre of military commanding department, needs large screen display invariably.
According to used display device, large screen display device mainly contains following several types: video wall, huge flat pannel display, projective large-screen (can use LCD, DLP or CRT projection part).And the projection splicing can be divided into orthogonal projection and rear-projection.
Wherein projection splicing develops rapidly with advantages such as its distinctive resolution height, full color and slit are little.
The benefit of large-screen splicing is the influence that no longer is subjected to unit resolution and brightness, the splicing system of for example one 2 * 2 four projector, unit resolution are 800 * 600, and brightness is 500lm, then spliced systemic resolution is 1600 * 1200, and brightness is 2000lm.Splicing system mainly is made up of three parts: projection wall (or curtain), projector array, control system.Wherein control system is a core.
Large screen display is compared with unitary display spare, can greatly improve display area and display quality.The subject matter that exists in large-screen splicing is the slit that has physical space or color space at the joint of each display unit.
Existing projective large-screen splicing apparatus all is the position splicing, that is: by adjusting the position of projector, make the image that goes out from adjacent two projector projects dock at screen, but do not have overlapping.This method can be dwindled the slit, space between the adjacent image, but can not eliminate fully, can not eliminate the slit of color space, and there is strict demand the position of projector.
The best level of industry is to have eliminated the slit in the physical space in the projection splicing at present, but does not still eliminate in the slit of color space.
Summary of the invention
The purpose of this utility model is, seamless splicing large screen display device a kind of static state or that do not have the slit dynamically is provided.
To achieve these goals, the technical scheme that the utility model is taked is, a kind of seamless splicing large screen display device comprises main control computer and projection part, and projection part is connected on the main control computer; Be characterized in that main control computer has one at least, every main control computer is controlled a projection part at least, and certain distance is arranged between the projection part, splices the image that a synthetic width of cloth does not have the slit by each projection part on projection screen.
Some other characteristics of the present utility model are, are provided with one or more display card that is used to show or multi-screen card in the described main control computer, and a display card connects one or more projection part.
Described projection screen is hard or soft curtain, can be plane or cambered surface or areas with irregular.
Described main control computer is used for will projecting to through the subgraph of overdamping on the projection screen the control that decays of the overlapping region of each width of cloth subgraph of many projection parts, the synthetic piece image that does not have the slit of splicing on projection screen.
The cambered surface of described giant-screen is spill or convex.
Described projection part is LCD or DLP or CRT projector or projector.
Distance, projection part between described many projection parts can adjust to the distance between the screen.
The utility model has been eliminated the slit in the color space owing to adopted main control computer to be decayed in the overlapping region of each width of cloth subgraph, has also eliminated the slit in the physical space simultaneously.On giant-screen, form a width of cloth and do not had the image slit, perfect.This width of cloth image can be static state or dynamic.Adopt this device can eliminate slit in the color space, also can eliminate the slit in the physical space simultaneously.
Description of drawings
Fig. 1 is the form 1 of the present utility model schematic diagram of (connecting 2 projector respectively by 2 PCs);
Fig. 2 is that (schematic diagram of (connecting 2 projector by 1 PC) also is an embodiment of the present utility model to form 2 of the present utility model;
Fig. 3 is Flame Image Process of the present utility model and procedure for displaying block diagram.
Fig. 4 is of the present utility model when the splicing of 2 projector levels, about the Flame Image Process example of two projector, linear attenuation is adopted in the overlay region.Wherein: a is an original image, and b is the normal viewing area and the decay area on projection screen of left projector; C is normal viewing area and the decay area on projection screen at right projector.
Embodiment
The utility model will be further described below in conjunction with embodiment that accompanying drawing and inventor provide.
Referring to Fig. 1, Fig. 2, seamless splicing large screen display device of the present utility model is made up of main control computer 2 and projection part 1.A main control computer 2 can be controlled one or more projection part 1.
The projection part that is used for projection splicing comprises LCD, DLP or CRT projector, projector, but is not limited to these equipment.
Principle of the present utility model is that in order to obtain seamless big image on screen, the image in this device is about to original image---Projection Display that subimage is cut apart---edge treated---through following processing procedure (referring to Fig. 3).
Main control computer is used for will projecting to through the subgraph of overdamping on the projection screen the control that decays of the overlapping region of each width of cloth subgraph of many projection parts, the synthetic piece image that does not have the slit of splicing on projection screen.
The subimage cutting procedure is exactly that big figure with a width of cloth original image is divided into two width of cloth or several subimages, and adjacent two width of cloth edge of image overlaids claim that this overlapping areas is the overlay region of image, exists one or more overlay regions on the width of cloth subimage.
Attenuation processing is all passed through in the overlapping region of each width of cloth subimage, and attenuation function promptly is used for the function of attenuation processing, and this function can be that disperse or continuous, and is linear or nonlinear.
Projection screen can be hard or soft curtain, plane or nonplanar, rectangle or non-rectangle.
The brand and the model of projection part are not limit, and still, the projection part of same model can obtain better effect.
In a main control computer, can insert one or more parts that are used to show, for example: display card, multi-screen card or the like, a display unit can connect one or more projection part.
Gap size between the projection part, projection part can adjust to the distance between the screen.
Flame Image Process and procedure for displaying as shown in Figure 2, wherein: in the first step, subimage can be a logical concept, is not must be with original image from physically being divided into several subimages.The image that obtains after second step is the subimage through the overlay region decay.
Fig. 4 is of the present utility model when the splicing of 2 projector levels, about the Flame Image Process example of two projector, linear attenuation is adopted in the overlay region.Wherein: a is an original image, and b is the normal viewing area and the decay area on projection screen of left projector; C is normal viewing area and the decay area on projection screen at right projector.
10 decay from left to right, are divided in the overlay region of left side projector, and attenuation coefficient is followed successively by 0.9,1.0,0.8 ..., 0.0;
10 decay from left to right, are divided in the overlay region of right projector, and attenuation coefficient is followed successively by 0.0,0.1 ..., 0.9.
Below be the embodiment that the inventor provides, but the utility model is not limited to this embodiment.
Referring to Fig. 2, Fig. 2 is an instantiation of this device, in this example, has only a main control computer and two projection parts, and main control computer CPU is the Pentium 4, dominant frequency 2.0, and internal memory 256M, hard disk 40G, video card are the double end video card, can connect 2 projection parts; Two projection parts show sesame TLP-S40, (2200 lumens, 1600 * 1200 resolution), main control computer is to the control that decays of the overlapping region of each width of cloth subgraph of two projection parts, attenuation processing is all passed through with the overlapping region of a width of cloth subimage by two projection parts, the overlay region of adjacent two width of cloth images is projecting to after overdamping on the projection screen 3 again, and promptly forming one on projection screen does not have the big image slit, the color harmony.
One of characteristics of the present utility model are exactly that adjacent two drop shadow spreads of projector on screen exist overlapping (as Fig. 1, shown in 2), and the putting position of projector is not had strict requirement.Corresponding, give the image that the adjacent projections instrument shows and also have overlapping (shown in 4), and be just to give projector after the attenuation processing through doubling of the image district is carried out.Therefore, adopt this device can on giant-screen, synthesize a width of cloth and do not have the image slit, perfect.This width of cloth image can be static state or dynamic.

Claims (7)

1. a seamless splicing large screen display device comprises main control computer [2] and projection part [1], and projection part [1] is connected on the main control computer [2]; It is characterized in that main control computer [2] has one at least, every main control computer [2] is controlled a projection part [1] at least, and there is certain distance in projection part between [1], goes up the image that the synthetic width of cloth of splicing does not have the slit by each projection part [1] at projection screen [3].
2. seamless splicing large screen display device as claimed in claim 1 is characterized in that, is provided with one or more display card that is used to show or multi-screen card in the described main control computer [2], and a display card connects one or more projection part.
3. seamless splicing large screen display device as claimed in claim 1 is characterized in that, described projection screen [3] is hard or soft curtain, can be plane or cambered surface or areas with irregular.
4. seamless splicing large screen display device as claimed in claim 1, it is characterized in that, described main control computer [2] is used for the control that decays of the overlapping region of each width of cloth subgraph of many projection parts [1], to project to through the subgraph of overdamping on the projection screen [3], go up the synthetic piece image that does not have the slit of splicing at projection screen [3].
5. seamless splicing large screen display device as claimed in claim 3 is characterized in that, the cambered surface of described giant-screen [3] is spill or convex.
6. seamless splicing large screen display device as claimed in claim 1 is characterized in that, described projection part [1] is LCD or DLP or CRT projector or projector.
7. seamless splicing large screen display device as claimed in claim 1 is characterized in that, the distance between described many projection parts [1], projection part [1] can adjust to the distance between the screen [3].
CN 200420041588 2004-02-27 2004-02-27 Seamless spliced large screen display device Expired - Fee Related CN2682451Y (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100403786C (en) * 2005-04-30 2008-07-16 广东威创视讯科技股份有限公司 Split display image edge blending method for large screen
WO2009097782A1 (en) * 2008-01-30 2009-08-13 Yong Di Method of an image synthesized by multiple images and its display components
CN101727878A (en) * 2009-12-15 2010-06-09 王晓年 Single host projection integration system and realizing method thereof
CN101039379B (en) * 2006-03-18 2011-10-26 吴小平 Replacement folded edge-melted splicing technique
CN102540684A (en) * 2011-11-11 2012-07-04 浙江海盛科技股份有限公司 Display device
CN102622200A (en) * 2012-03-20 2012-08-01 合肥安达电子有限责任公司 Display system of multi-curtain splicing technology
CN103581601A (en) * 2013-10-24 2014-02-12 南京熊猫电子股份有限公司 Split screen scanning method for UHD signal sampling and displaying
CN104750445A (en) * 2015-03-09 2015-07-01 联想(北京)有限公司 Information processing method and electronic devices
CN105704412A (en) * 2014-11-25 2016-06-22 原相科技股份有限公司 Projection method and projection system
CN106454179A (en) * 2015-08-07 2017-02-22 台达电子工业股份有限公司 Display device
CN108346381A (en) * 2018-04-04 2018-07-31 深圳市秀狐科技有限公司 A kind of LED display and its packaging method
CN109656360A (en) * 2018-12-07 2019-04-19 北京唐冠天朗科技开发有限公司 It is a kind of based on cloud push corporate image presentation device, method and system

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100403786C (en) * 2005-04-30 2008-07-16 广东威创视讯科技股份有限公司 Split display image edge blending method for large screen
CN101039379B (en) * 2006-03-18 2011-10-26 吴小平 Replacement folded edge-melted splicing technique
WO2009097782A1 (en) * 2008-01-30 2009-08-13 Yong Di Method of an image synthesized by multiple images and its display components
CN101727878B (en) * 2009-12-15 2014-08-13 王晓年 Single host projection integration system and realizing method thereof
CN101727878A (en) * 2009-12-15 2010-06-09 王晓年 Single host projection integration system and realizing method thereof
CN102540684B (en) * 2011-11-11 2014-12-03 张亦彬 Display device
CN102540684A (en) * 2011-11-11 2012-07-04 浙江海盛科技股份有限公司 Display device
CN102622200A (en) * 2012-03-20 2012-08-01 合肥安达电子有限责任公司 Display system of multi-curtain splicing technology
CN103581601A (en) * 2013-10-24 2014-02-12 南京熊猫电子股份有限公司 Split screen scanning method for UHD signal sampling and displaying
CN105704412A (en) * 2014-11-25 2016-06-22 原相科技股份有限公司 Projection method and projection system
CN104750445A (en) * 2015-03-09 2015-07-01 联想(北京)有限公司 Information processing method and electronic devices
CN104750445B (en) * 2015-03-09 2018-02-27 联想(北京)有限公司 A kind of information processing method and electronic equipment
CN106454179A (en) * 2015-08-07 2017-02-22 台达电子工业股份有限公司 Display device
CN106454179B (en) * 2015-08-07 2019-03-15 台达电子工业股份有限公司 Display device
CN108346381A (en) * 2018-04-04 2018-07-31 深圳市秀狐科技有限公司 A kind of LED display and its packaging method
CN109656360A (en) * 2018-12-07 2019-04-19 北京唐冠天朗科技开发有限公司 It is a kind of based on cloud push corporate image presentation device, method and system

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