CN102540684B - Display device - Google Patents
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- CN102540684B CN102540684B CN201210039509.8A CN201210039509A CN102540684B CN 102540684 B CN102540684 B CN 102540684B CN 201210039509 A CN201210039509 A CN 201210039509A CN 102540684 B CN102540684 B CN 102540684B
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- catoptron
- projector
- projection screen
- optical projection
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- 230000003287 optical effect Effects 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 6
- 238000003909 pattern recognition Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003709 image segmentation Methods 0.000 abstract 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000003384 imaging method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Transforming Electric Information Into Light Information (AREA)
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Abstract
The invention relates to a display device which comprises a signal input source, an image processing device and an image output device, wherein the image processing device is connected with the signal input source, and the image output device is connected with the image processing device; the image processing device comprises an image segmentation processing device and an image joining processing device; the image segmentation processing device is connected with the signal input source, and the image joining processing device is connected with the image output device; the display device is characterized in that the image output device comprises an optical projection screen and at least two sets of projection devices arranged behind the optical projection screen; each projection device comprises a projector and two reflective mirrors; and the projection direction of the projector is slantwise intersected with the optical projection screen. The display device has the advantages of no-physical seam joining of images, uniform and perfect display, good display effect, small integral volume, thin thickness, good aesthetic property of appearance, small occupied space, good overall heat dissipation effect, low operating temperature and long service life.
Description
Technical field
The present invention relates to a kind of display device, relate in particular to the seamless spliced imaging display device of a kind of thin type optical.
Background technology
Along with socio-economic development, oversize is shown to wall, particularly display area are greater than the application demand increase of the demonstration wall of 3X1.5 rice, at present conventional liquid crystal or the display size of plasm TV are 108 ＂ to the maximum.In oversize application scenario, people use the spliced display wall of liquid crystal or optical projection mode mostly, spliced display wall is spliced by several LCD TV unit or optical projection display unit, can accomplish that oversize shows, but have physics splicing seams, the splicing seams of general LCD TV unit is 5.3 ~ 7.3mm; The splicing seams of optical projection unit is 0.5 ~ 1.0mm.Due to the existence of splicing seams, while showing large scale view picture picture, cause the shortcoming of visual effect, and do not remedy preferably at present technically means.The solution that another kind meets oversize demonstration demand is to adopt projector to add projection screen, the Chinese patent that is 200420041588 as the patent No. discloses a kind of seamless splicing large screen display device, mode by the seamless fusion of computer graphical forms seamless fusion display system, can solve the image vision shortcoming that above-mentioned physics splicing seams causes, having defect is the problem that affects that this projection imaging mode has surround lighting when front projection, bright at indoor light or have daylight to penetrate place, the contrast of imaging picture sharply declines, even if adopt high-brightness projection machine still cannot better make up, same, adopt this imaging mode display device when back projection to there is larger thickness, take up room large, use inconvenience, there is no at present the mode that solves this defect completely.
Summary of the invention
The present invention, for solving prior art problem, provides the thin type optical joining image-forming display device that a kind of viewing effect is good.
Technical scheme of the present invention is: a kind of display device, comprise signal input sources, the image processing apparatus being connected with this signal input sources, and the image output device being connected with described image processing apparatus, described image processing apparatus comprises the image dividing processing device being connected with described signal input sources, and the image joining process device being connected with described image output device; It is characterized in that: described image output device comprises optical projection screen, and at least two covers are arranged at the projection arrangement at described optical projection screen rear, described projection arrangement comprises projector and two catoptrons; The projecting direction of described projector and described optical projection screen oblique.
Display device seamless spliced, there is not physics splicing seams in the display section of display device; Image dividing processing device is cut apart original image according to the quantity of projection arrangement and position, and the image after cutting apart is delivered to corresponding projection arrangement through image joining process device, between the image of adjacent projections device, overlapping region is set, view data through image joining process, overlapping again after brightness and the colourity of overlapping region consistent with original image; The setting of two catoptrons can reduce the thickness of display device keeping the constant prerequisite of the projection imaging light path required separation distance required horizontal range of low light path that declines greatly, reaches thin type effect.Projection arrangement adopts the mounting means from axial projection, the projecting direction of projector and optical projection screen oblique, i.e. and projecting direction and optical projection screen out of plumb, further reduce the thickness of display device.
As preferably, described projection arrangement comprises projector and two catoptrons, and the quantity of described projection arrangement is even number, and the horizontal middle spindle mirror image of the relatively described optical projection screen of described projection arrangement distributes.The projection arrangement that mirror image distributes can further reduce the thickness of display device.
As preferably, described projector tilts to be installed in described display device.Because the top of display device is provided with a set of projection arrangement, therefore the volume of the viewing area top device portion of display device is larger, cause the housing at display device top too high, affect the good looking appearance degree of display device, the projector that tilts to install can further reduce the thickness of display device, is also easy to that the shell upper of display device is carried out to moulding and beautifies simultaneously.
As preferably, described image processing apparatus also comprises pick-up unit, and described pick-up unit comprises the camera head that is arranged at described optical projection screen one side.The picture that camera head in optical projection screen one side projects different projection arrangements is monitored, as there is brightness and colourity difference between these pictures, view data is adjusted, the picture brightness that all projection arrangements are projected is consistent with colourity, and whole picture brightness and colourity after joint are even.
As preferably, described camera head comprises minute image pick-up device that is arranged at described projector one side, and the total image pick-up device that is arranged at described optical projection screen rear.
As preferably, described total image pick-up device comprises at least two sampled points, and the quantity of described sampled point is identical with the quantity of described projection arrangement, and the position of sampled point is positioned at the picture center that described projection arrangement is projected to optical projection screen.
Divide image pick-up device for monitoring the picture after cutting apart, whether the parameters such as the picture brightness that each projection arrangement projects, colourity are even, and total image pick-up device is for monitoring the picture after joint, whether the parameters such as the picture brightness that different projection arrangements project, colourity are consistent, when the parameters such as the brightness of picture, colourity occur inhomogeneous, during the situation such as consistance is poor, by regulating image processing apparatus, and adjust the projection image of projector with this, keep the frame parameter uniformity after engaging.
As preferably, described display device also comprises shell, and the inside surface of this shell is black; On described shell, be provided with air vent.Display device adopts rear-projection mode, the equipment such as projector are all put into the shell of black inside surface simultaneously, the impact of the external ambient light of blocking-up on projecting light path completely greatly reduces the interference that internal light diffuse reflection causes picture simultaneously, makes picture clean; In projection arrangement when work, will produce a large amount of heats, and air vent can be discharged these heats in time, and the temperature while greatly reducing projection arrangement work has extended life-span of projection arrangement.
As preferably, described air vent is provided with light barrier.The place that display device is used often has very complex environment light, display device be can be considered to light pollution, these surround lightings very likely enter along the air vent on shell, and further disturb the light path of projection arrangement, reduce the image quality of picture, light barrier is used for stopping that external environment light enters by air vent, surround lighting can not exerted an influence to the light path of projection, the image quality of further purifying.
As preferably, described catoptron is trapezoidal, comprises the first catoptron and the second catoptron; Four jiaos of described the first catoptron are provided with microscler bolt hole, in this bolt hole, are provided with bolt, and the first catoptron is connected to fixed head by described bolt, and described fixed head is fixedly installed on described support; The long limit of described the second catoptron is fixedly connected on one end of brace, the other end of this brace is provided with elongated hole, brace is by this elongated hole connection and described support, the minor face of described the second catoptron is connected with described support by web member, in this web member, is provided with buffer spring.The position of the first catoptron and the second catoptron and angle all can be carried out 6 directions of X, Y, Z axis by fixed sturcture and be regulated, and are convenient to the picture that setter goes out projector projects and are accurately adjusted to the position needing on optical projection screen; The display device of large-size screen monitors is installed on the more places of flow of the people such as market, large conference room mostly; these places are environment more complicated often; and the area of the second catoptron is larger; making catoptron material used is glass; more frangible, therefore at the minor face place of the second catoptron, buffer spring is set, effectively protected the second catoptron; make it to be difficult in complex environment damaged, greatly extended life-span of the second catoptron.
In sum, the present invention has the following advantages:
1, image seamless splicing, shows even, perfectly, and display effect is good;
2, overall volume is little, thin thickness, and good looking appearance degree is good, takes up room little;
3, integral heat sink is effective, and running temperature is low, and equipment life is long.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one inner structure schematic diagram;
Fig. 2 is the embodiment of the present invention one shell mechanism schematic diagram;
Fig. 3 is the scheme of installation of Fig. 1 and Fig. 2;
Fig. 4 is the embodiment of the present invention two projector scheme of installations.
In figure, 1, support, 11, hornblock, 2, optical projection screen, 3, projector, 31, upper projector, 32, lower projector, 4, the first catoptron, 41, fixed head, the 5, second catoptron, 51, brace, 52, elongated hole, 54, buffer spring, 6, master controller, 61, minute image pick-up device, 62, total image pick-up device, 7, shell, 71, air vent, 72, light barrier.
Embodiment
With embodiment, the invention will be further described below.
Embodiment mono-:
A display device, as shown in Figure 1, 2, 3, comprises support 1, and the section bar that support 1 is made by aluminium alloy forms, and joint portion adopts hornblock 11 to be fixed connection, support 1 front end is provided with optical projection screen 2, support 1 upper end has been horizontally disposed with three projector 3, for upper projector 31, support 1 lower end has been horizontally disposed with three projector 3, for lower projector 32, upper projector 31 and lower projector 32 distribute along the upper and lower mirror image of center line of optical projection screen 2, projector 3 is bolted to connection on support 1, display device is also provided with the first catoptron 4 and the second catoptron 5, the first catoptron 4 and the second catoptron 5 are trapezoidal, four jiaos of the first catoptron 4 are provided with microscler bolt hole, in this bolt hole, be provided with bolt, the first catoptron 4 is bolted to fixed head 41, fixed head 41 is fixedly installed on support 1, the long limit of the second catoptron 5 is fixedly connected on one end of brace 51, the other end of this brace 51 is provided with elongated hole 52, brace 51 is by these elongated hole 52 connections and support 1, the minor face of the second catoptron 5 is connected with support 1 by web member, is provided with buffer spring 54 in this web member, in support 1, be also provided with master controller 6, this master controller 6 comprises the signal input sources that is connected with outside, signal input sources is connected with image dividing processing device, image dividing processing device is connected with six image joining process devices, and six image joining process devices are connected with six projector 3 respectively, one side of each projector 3 is provided with corresponding minute image pick-up device 61, divide image pick-up device 61 to be connected with image joining process device, optical projection screen 2 centers, rear are also provided with the total image pick-up device 62 being connected with image engagement device, total image pick-up device 62 has six sampled points, these six sampled points lay respectively at the picture center that six projector 3 project, in image joining process device, be provided with pattern recognition device, and the image adjustment device being connected with pattern recognition device, support 1 is also provided with shell 7, and the inside surface of shell 7 is close to the lateral surface of support 1, and the inside surface of shell 7 is black, has air vent 71 on shell 7, and the inner side of air vent 71 is provided with light barrier 72.
During installation, adjust the position of projector 3 and catoptron, the picture that projector 3 projects is irradiated completely in the first catoptron 4, and after the first catoptron 4 and the second catoptron 5 reflections, irradiate in optical projection screen 2 assigned addresses successively, the picture edge of adjacent projections instrument 3 projections arranges overlapping region, and all overlapping regions width equates.
During work, picture signal is delivered to display device from signal input sources, image dividing processing device is evenly divided into six by the picture signal receiving according to the diverse location of different projector 3, and there is certain overlapping region between the image after adjacent cutting apart, image after cutting apart is delivered to image engagement device, image engagement device carries out attenuation processing by the overlapping region in the image after cutting apart, then the image after processing is delivered to projector 3, the picture that projector 3 projects irradiates in optical projection screen 2 assigned addresses successively after the first catoptron 4 and the second catoptron 5 reflections, the overlapping region decay of the picture of adjacent projections instrument 3 projections is complementary, after lap over, the brightness of image equates with original brightness, on optical projection screen 2, synthesize and do not have apertured image.
Meanwhile, total 62 pairs of six sampled points of image pick-up device are sampled with certain frequency simultaneously, divide the picture of 61 pairs of homolographic projection instrument of image pick-up device, 3 projections to sample, and sampled result is delivered to image engagement device, pattern recognition device in image engagement device is identified the image of sampling, whether the image of analyzing different sampled points is consistent in parameters such as brightness, colourities, as inconsistent, by image adjustment device, homolographic projection instrument 3 is regulated, finally make even, the perfect image of demonstration on optical projection screen 2.
Embodiment bis-:
A kind of display device, comprise support 1, support 1 front end is provided with optical projection screen 2, three projector 3 on support 1, have been horizontally disposed with, between projector 3 and optical projection screen 2, be provided with the first catoptron 4, the first catoptrons 4 and be fixedly installed on support 1 by screw bolt and nut, a side of projector 3 is provided with the second catoptron 5, the second catoptron 5 is fixedly installed on support 1 by adjustable connecting piece, and the first catoptron 4 and the second catoptron 5 are trapezoidal; In support 1, be also provided with the signal input sources that is connected with outside, signal input sources is connected with image dividing processing device, and image dividing processing device is connected with three image joining process devices, and three image joining process devices are connected with three projector 3 respectively; One side of each projector 3 is provided with corresponding minute image pick-up device 61, divide image pick-up device 61 to be connected with image joining process device, in image joining process device, be provided with pattern recognition device and image comparison device, and the image adjustment device being connected with image comparison device with pattern recognition device respectively; Support 1 is also provided with shell 7, and the inside surface of shell 7 is close to the lateral surface of support 1, and the inside surface of shell 7 is black, has air vent 71 on shell 7, and the inner side of air vent 71 is provided with light barrier 72.
Claims (1)
1.
a kind of display device, comprise signal input sources, the image processing apparatus being connected with this signal input sources, and the image output device being connected with described image processing apparatus, described image processing apparatus comprises the image dividing processing device being connected with described signal input sources, and the image joining process device being connected with described image output device; Described image output device comprises optical projection screen, and at least two covers are arranged at the projection arrangement at described optical projection screen rear, and described projection arrangement comprises projector and catoptron; The projecting direction of described projector and described optical projection screen oblique; Described display device comprises support; It is characterized in that: described projector tilts to be installed in described display device; Described catoptron is trapezoidal, comprises the first catoptron and the second catoptron; Four jiaos of described the first catoptron are provided with bolt hole, in this bolt hole, are provided with bolt, and the first catoptron is connected to fixed head by described bolt, and described fixed head is fixedly installed on described support; The long limit of described the second catoptron is fixedly connected on one end of brace; the other end of this brace is provided with elongated hole; brace is by this elongated hole connection and described support, and the minor face of described the second catoptron is connected with described support by web member, in this web member, is provided with buffer spring; Described projection arrangement comprises projector and two catoptrons, and the quantity of described projection arrangement is even number, and the horizontal middle spindle mirror image of the relatively described optical projection screen of described projection arrangement distributes; Described image processing apparatus also comprises pick-up unit, and described pick-up unit comprises the camera head that is arranged at described optical projection screen one side; Described camera head comprises minute image pick-up device that is arranged at described projector one side and is connected with image engagement device, and the total image pick-up device that is arranged at described optical projection screen rear and is connected with image engagement device; In described image engagement device, be also provided with the pattern recognition device being connected with total image pick-up device with minute image pick-up device respectively, and the image adjustment device being connected with projector respectively; Described total image pick-up device comprises at least two sampled points, and the quantity of described sampled point is identical with the quantity of described projection arrangement, and the position of sampled point is positioned at the picture center that described projection arrangement is projected to optical projection screen; Described display device also comprises shell, and the inside surface of this shell is black; On described shell, be provided with air vent; Described air vent is provided with light barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210039509.8A CN102540684B (en) | 2011-11-11 | 2012-02-22 | Display device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110357050 | 2011-11-11 | ||
| CN201110357050.1 | 2011-11-11 | ||
| CN201210039509.8A CN102540684B (en) | 2011-11-11 | 2012-02-22 | Display device |
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| CN102540684A CN102540684A (en) | 2012-07-04 |
| CN102540684B true CN102540684B (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210039509.8A Active CN102540684B (en) | 2011-11-11 | 2012-02-22 | Display device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020985A (en) * | 2017-03-01 | 2018-05-11 | 湖南科技大学 | Plane large screen projector splicing apparatus for parallel drawing image display |
| CN112118428B (en) * | 2019-06-19 | 2022-08-26 | 海信视像科技股份有限公司 | Image processing method and device and laser television |
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| JPH05273649A (en) * | 1992-01-31 | 1993-10-22 | Sanyo Electric Co Ltd | Multiscreen display device |
| CN2678282Y (en) * | 2003-12-13 | 2005-02-09 | 深圳创维－Rgb电子有限公司 | Digital optical display rear-projector with trimming structure |
| CN2682451Y (en) * | 2004-02-27 | 2005-03-02 | 雷潇雨 | Seamless spliced large screen display device |
| CN101795374A (en) * | 2009-11-23 | 2010-08-04 | 清投视讯(北京)科技有限公司 | Method and system for image display of true seamless projection type large screen |
| CN201788350U (en) * | 2010-08-23 | 2011-04-06 | 叶洋志 | Multimedia projection player |
| CN102045524A (en) * | 2009-10-12 | 2011-05-04 | 华为终端有限公司 | Super-resolution large-screen display system |
| CN202494855U (en) * | 2011-11-11 | 2012-10-17 | 浙江海盛科技股份有限公司 | Display device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001339672A (en) * | 2000-03-24 | 2001-12-07 | Olympus Optical Co Ltd | Multi-vision device |
| CN201984276U (en) * | 2011-02-24 | 2011-09-21 | 赛丽电子系统(上海)有限公司 | Installing structure of reflector assembly inside digital light processing box |
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2012
- 2012-02-22 CN CN201210039509.8A patent/CN102540684B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05273649A (en) * | 1992-01-31 | 1993-10-22 | Sanyo Electric Co Ltd | Multiscreen display device |
| CN2678282Y (en) * | 2003-12-13 | 2005-02-09 | 深圳创维－Rgb电子有限公司 | Digital optical display rear-projector with trimming structure |
| CN2682451Y (en) * | 2004-02-27 | 2005-03-02 | 雷潇雨 | Seamless spliced large screen display device |
| CN102045524A (en) * | 2009-10-12 | 2011-05-04 | 华为终端有限公司 | Super-resolution large-screen display system |
| CN101795374A (en) * | 2009-11-23 | 2010-08-04 | 清投视讯(北京)科技有限公司 | Method and system for image display of true seamless projection type large screen |
| CN201788350U (en) * | 2010-08-23 | 2011-04-06 | 叶洋志 | Multimedia projection player |
| CN202494855U (en) * | 2011-11-11 | 2012-10-17 | 浙江海盛科技股份有限公司 | Display device |
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