CN106454179B - Display device - Google Patents
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- CN106454179B CN106454179B CN201510480881.6A CN201510480881A CN106454179B CN 106454179 B CN106454179 B CN 106454179B CN 201510480881 A CN201510480881 A CN 201510480881A CN 106454179 B CN106454179 B CN 106454179B
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Abstract
It include multiple display modules the invention discloses a kind of display device.Each display module includes display surface, projection arrangement and the first, second, third reflecting mirror.Display surface has mutually perpendicular long side and short side.Projection arrangement projects the first image, and the first image has the primary optic axis of parallel short sides.First reflecting mirror reflects the first image and generates the first reflected image, and the first reflected image has the first reflection optical axis of vertical short side.Second reflecting mirror reflects the first reflected image and generates the second reflected image, and the second reflected image has the second reflection optical axis of vertical short side.Third reflecting mirror reflects the second reflected image and generates third reflected image, and third reflected image is projected on display surface, and third reflected image has the third reflection optical axis of vertical long side and short side, and the second reflecting mirror and third reflecting mirror are parallel to each other.
Description
Technical field
The invention relates to a kind of display devices, in particular to a kind of video wall.
Background technique
In order to meet modern to the requirements of image frame, every technology of display device is continued to introduce new.Electricity
Wall is regarded to be projected on the difference of its display surface respectively by multiple display modules partly, to combine to form complete picture.By
It is to be formed by projection, therefore video wall can reach the aobvious of large screen in the case where low cost in the picture on display surface
Show effect.In addition, the quantity of display module can increase according to demand, therefore the size of display surface can also be according to need
It asks and increases.
In order to further improve every characteristic of video wall, related fields is there's no one who doesn't or isn't painstakingly developed.How one is provided
Kind has the video wall of preferable characteristic, real to belong to one of current important research and development project, also needs as currently associated field improved
Target.
Summary of the invention
A technology aspect of the invention is to provide a kind of display device, has both thin thickness and high projector distance, simultaneously
With simple internal structure, thus the disturbed chance of internal optical path can be reduced.
According to an embodiment of the present invention, a kind of display device includes the first display module and the second display module.First
Display module includes the first display surface, the first projection arrangement, the first reflecting mirror, the second reflecting mirror and third reflecting mirror.First
Display surface has mutually perpendicular first long side and the first short side.First projection arrangement is to project the first image, wherein first
Image has primary optic axis, parallel first short side of primary optic axis.First reflecting mirror generates first instead to reflect the first image
Projection picture, wherein the first reflected image has the first reflection optical axis, vertical first short side of the first reflection optical axis.Second reflecting mirror is used
The second reflected image is generated to reflect the first reflected image, wherein the second reflected image has the second reflection optical axis, second is anti-
Penetrate vertical first short side of optical axis.Third reflecting mirror generates third reflected image to reflect the second reflected image, and third is anti-
Projection picture is projected on the first display surface, and wherein third reflected image has third reflection optical axis, and third reflection optical axis is vertical
First long side and the first short side.Second display module includes the second display surface, the second projection arrangement, the 4th reflecting mirror, the 5th anti-
Penetrate mirror and the 6th reflecting mirror.Second display surface has mutually perpendicular second long side and the second short side, wherein the first display surface
The display surface of display device is combined and formed with the second display surface, and the second long side is parallel to the first long side, the second short side is parallel
In the first short side.Second projection arrangement is to project the second image, wherein the second image has the second optical axis, the second optical axis is parallel
Second short side.4th reflecting mirror generates the 4th reflected image to reflect the second image, wherein the 4th reflected image has the
Four reflection optical axis, vertical second short side of the 4th reflection optical axis.5th reflecting mirror generates the 5th to reflect the 4th reflected image
Reflected image, wherein the 5th reflected image has the 5th reflection optical axis, vertical second short side of the 5th reflection optical axis.6th reflecting mirror
The 6th reflected image is generated to reflect the 5th reflected image, and the 6th reflected image is projected on the second display surface, wherein
Second reflecting mirror, third reflecting mirror, the 5th reflecting mirror and the 6th reflecting mirror are parallel to each other, and the 6th reflected image is anti-with the 6th
Penetrate optical axis, and vertical second long side of the 6th reflection optical axis and the second short side.
In one or more embodiments of the invention, third reflecting mirror is adjacent to the 5th reflecting mirror.
In one or more embodiments of the invention, display device further includes plate body, and wherein plate body has opposite the
It is respectively arranged on the first face and the second face with the second face, third reflecting mirror and the 5th reflecting mirror on one side.
In one or more embodiments of the invention, display device further includes plate body, and wherein plate body has the first face, the
Three reflecting mirrors and the 5th reflecting mirror are all set on the first face.
In one or more embodiments of the invention, the first projection arrangement and the second projection arrangement project upward respectively
One image and the second image.
In one or more embodiments of the invention, the angle of primary optic axis and the first reflection optical axis is 90 ° ± 3 °, and
The angle of second optical axis and the 4th reflection optical axis is 90 ° ± 3 °.
In one or more embodiments of the invention, the first reflection optical axis is perpendicular to the first long side, and the 4th reflected light
Axis is perpendicular to the second long side.
In one or more embodiments of the invention, the angle of the first reflection optical axis and the second reflection optical axis is 74 ° ±
3 °, and the angle of the 4th reflection optical axis and the 5th reflection optical axis is 74 ° ± 3 °.
In one or more embodiments of the invention, the angle of the second reflection optical axis and third reflection optical axis is 74 ° ±
3 °, and the angle of the 5th reflection optical axis and the 6th reflection optical axis is 74 ° ± 3 °.
In one or more embodiments of the invention, the quantity of the first display module be it is multiple, the second display module
Quantity be it is multiple, the first display module is arranged with the second display module with array manner, and the first display surface and the second display surface
Combine and formed the display surface of display device.
By the special light path design of display device, display device is able to thin thickness above embodiment of the present invention
While, with high projector distance.In addition, make third reflecting mirror and the 5th reflecting mirror parallel to each other, then third reflecting mirror
It can be set on same fixed mechanism (i.e. plate body) with the 5th reflecting mirror；Alternatively, making third reflecting mirror and the 6th reflecting mirror mutual
Parallel, then third reflecting mirror can be set on same fixed mechanism (i.e. plate body) with the 6th reflecting mirror.Therefore, display dress
Fixed mechanism needed for each optical element can be greatly decreased is set, thus simplifies the internal structure of display device, and then reduce
Optical path inside display device is fixed the chance of mechanism interference.
Detailed description of the invention
Fig. 1 is painted the stereoscopic schematic diagram of the display device according to an embodiment of the present invention.
Fig. 2 is painted the schematic rear view of the display device according to an embodiment of the present invention.
Fig. 3 is painted the upper schematic diagram of the display device according to an embodiment of the present invention.
Fig. 4 is painted the stereoscopic schematic diagram of the display device according to another embodiment of the present invention.
Fig. 5 is painted the schematic rear view of the display device according to a further embodiment of this invention.
Wherein, appended drawing reference:
100: display device
110: display surface
120,130: plate body
121,131: the first face
122: the second faces
200: the first display modules
210: the first display surfaces
211: the first long sides
212: the first short sides
220: the first projection arrangements
230: the first reflecting mirrors
240: the second reflecting mirrors
250: third reflecting mirror
300: the second display modules
310: the second display surfaces
311: the second long sides
312: the second short sides
320: the second projection arrangements
330: the four reflecting mirrors
340: the five reflecting mirrors
350: the six reflecting mirrors
410: the first images
411: primary optic axis
420: the first reflected images
421: the first reflection optical axis
430: the second reflected images
431: the second reflection optical axis
440: third reflected image
441: third reflection optical axis
510: the second images
511: the second optical axises
520: the four reflected images
521: the four reflection optical axis
530: the five reflected images
531: the five reflection optical axis
540: the six reflected images
541: the six reflection optical axis
Specific embodiment
Hereinafter multiple embodiments of the invention will be disclosed with attached drawing, as clearly stated, the details in many practices
It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the present invention.Also
It is to say, in some embodiments of the present invention, the details in these practices is non-essential.In addition, for the sake of simplifying attached drawing, one
A little existing usual structures and element will be painted it in a manner of simply illustrating in the accompanying drawings.
Fig. 1 is painted the stereoscopic schematic diagram of the display device 100 according to an embodiment of the present invention.Difference embodiment party of the invention
Formula provides a kind of display device 100.Specifically, display device 100 is video wall.More specifically, display device 100 is served as reasons
Multiple display modules are projected on the different parts of the display surface 110 of display device 100 respectively, to combine to form complete picture
Face.In the present embodiment, display device 100 includes the first display module 200 and the second display module 300.
Fig. 2 is painted the schematic rear view of the display device 100 according to an embodiment of the present invention.Fig. 3 is painted according to this hair
The upper schematic diagram of the display device 100 of a bright embodiment.As shown in Figure 1, Figure 2 and depicted in Fig. 3, the first display module 200
Include the first display surface 210, the first projection arrangement 220, the first reflecting mirror 230, the second reflecting mirror 240 and third reflecting mirror
250.First display surface 210 has mutually perpendicular first long side 211 and the first short side 212.First projection arrangement 220 is to throw
The first image 410 is penetrated, wherein the first image 410 has primary optic axis 411 (see Fig. 2), parallel first short side of primary optic axis 411
212.First reflecting mirror 230 generates the first reflected image 420 to reflect the first image 410, wherein the first reflected image 420
With the first reflection optical axis 421 (see Fig. 3), vertical first short side 212 of the first reflection optical axis 421.Second reflecting mirror 240 is to anti-
It penetrates the first reflected image 420 and generates the second reflected image 430, wherein the second reflected image 430 has the second reflection optical axis 431
(see Fig. 2, Fig. 3), vertical first short side 212 of the second reflection optical axis 431.Third reflecting mirror 250 is to reflect the second reflected image
430 and generate third reflected image 440, and third reflected image 440 is projected on the first display surface 210, and wherein third reflects
Image 440 has third reflection optical axis 441 (see Fig. 3), and vertical first long side 211 of third reflection optical axis 441 and the first short side
212。
Second display module 300 is anti-comprising the second display surface 310, the second projection arrangement 320, the 4th reflecting mirror the 330, the 5th
Penetrate mirror 340 and the 6th reflecting mirror 350.Second display surface 310 has mutually perpendicular second long side 311 and the second short side 312,
Wherein the first display surface 210 combines and is formed the display surface 110 of display device 100, and the second long side with the second display surface 310
311 are parallel to the first long side 211, and the second short side 312 is parallel to the first short side 212.Second projection arrangement 320 is to project second
Image 510, wherein the second image 510 has the second optical axis 511 (see Fig. 2), parallel second short side 312 of the second optical axis 511.4th
Reflecting mirror 330 generates the 4th reflected image 520 to reflect the second image 510, wherein the 4th reflected image 520 has the 4th
Reflection optical axis 521 (see Fig. 3), vertical second short side 312 of the 4th reflection optical axis 521.5th reflecting mirror 340 is anti-to reflect the 4th
Projection generates the 5th reflected image 530 as 520, wherein the 5th reflected image 530 have the 5th reflection optical axis 531 (see Fig. 2,
Fig. 3), vertical second short side 312 of the 5th reflection optical axis 531.6th reflecting mirror 350 is produced to reflect the 5th reflected image 530
Raw 6th reflected image 540, and the 6th reflected image 540 is projected on the second display surface 310, wherein the second reflecting mirror 240, the
Three reflecting mirrors 250, the 5th reflecting mirror 340 and the 6th reflecting mirror 350 are parallel to each other, and the 6th reflected image 540 is anti-with the 6th
It penetrates optical axis 541 (see Fig. 3), and vertical second long side 311 of the 6th reflection optical axis 541 and the second short side 312.
In traditional video wall, when the image projecting of different display modules is when in the different parts of display surface.Because
Image be in the state for expanding amplification, so about different display modules image projecting in display surface different parts phase
Light beam on adjacent edge part, direction of travel is not fully identical, so will lead to user in viewing display surface meeting
It was found that the luminous intensity for being projected on two images on the adjacent edge part of the different parts of display surface is not identical, and allow use
Person perceives the edge of display surface difference part, so that display surface can not show globality.
In order to solve foregoing problems, if display device 100 increases the first display module 200 and the second display module 300
Projector distance (Throw Distance), then can make third reflected image 440 with the 6th reflected image 540 to be similar to put down
The mode of row light beam is projected on the first display surface 210 and the second display surface 310.Then, about third reflected image 440 and
Six reflected images 540 are projected on the light beam on the adjacent edge part of the first display surface 210 and the second display surface 310,
Direction of travel will be almost the same, so that the edge between the first display surface 210 and the second display surface 310 becomes unknown
It is aobvious, so that display surface 110 is able to show globality.
However, the thickness of display device 100 is (i.e. perpendicular to display surface 110 because pursuing frivolous fashion trend in the market
Length) if can be thinner, will more can obtain market favor, if but display device 100 thickness it is thinner, the first display module 200
It is just more difficult to increase with the projector distance of the second display module 300, thus is easy to produce foregoing problems.For this purpose, by above-mentioned aobvious
The special light path design of showing device 100, the projector distance of the first display module 200 can be about 1.7 times of the first short side 212, the
The thickness of one display module 200 can be about 2/3rds times of the first short side 212, and the projector distance of the second display module 300 can
It is 1.7 times of the about second short side 312, the thickness of the second display module 300 can be about 2/3rds times of the second short side 312.In
It is that display device 100 is able to while with thin thickness, with high projector distance.
From Fig. 1 it can be found that by light path design above-mentioned, each optical element (such as the first display surface 210, first
Projection arrangement 220, the first reflecting mirror 230) between will have enough spacing, then each optical element will have enough skies
Between can furnish the mechanism for supporting fixed each optical element, without interfering with each image (such as the first image 410, the
One reflected image 420) optical path.
Specifically, showing as depicted in fig. 3, display device 100 further includes plate body 120, and wherein plate body 120 has opposite the
On one side 121 and second face 122, third reflecting mirror 250 and the 5th reflecting mirror 340 are respectively arranged at the first face 121 and the second face 122
On.Therefore, third reflecting mirror 250 is adjacent to the 5th reflecting mirror 340.
More specifically, in the present embodiment, third reflecting mirror 250 and the 5th reflecting mirror 340 respectively by silver-plated or
Aluminium is formed in the first face 121 and the second face 122 of plate body 120, and but it is not limited to this.In other embodiments, third is anti-
Penetrate mirror 250 and the 5th reflecting mirror 340 first independently to be formed, can be respectively arranged at again later the first face 121 of plate body 120 with
On second face 122.
It will be understood that the specific embodiment party of plate body 120 provided above, third reflecting mirror 250 and the 5th reflecting mirror 340
Formula is only to illustrate, and is not intended to limit the invention, those skilled in the art, should regard actual needs, elasticity
Select the specific embodiment of plate body 120, third reflecting mirror 250 and the 5th reflecting mirror 340.
Brought forward is stated, because third reflecting mirror 250 and the 5th reflecting mirror 340 are parallel to each other, third reflecting mirror 250 can be with
Five reflecting mirrors 340 are set on same fixed mechanism (i.e. plate body 120), therefore can be greatly decreased needed for each optical element
Fixed mechanism, thus simplify the internal structure of display device 100, and then the optical path reduced inside display device 100 is fixed machine
The chance of structure interference.
Specifically, the length of the first long side 211 is identical as the length of the second long side 311, the length of the first short side 212 with
The length of second short side 312 is identical, and but it is not limited to this.In other embodiments, the length of the first long side 211 can be with second
The length of long side 311 is different, and the length of the first short side 212 can be different from the length of the second short side 312.
Specifically, the first projection arrangement 220 and the second projection arrangement 320 can be to project the first image 410 upward respectively
With the second image 510.Then, the first projection arrangement 220 and the second projection arrangement 320 will can be set in the first display module
200 and the second lower position in display module 300, thus increase the steady of the first display module 200 and the second display module 300
Fixed degree.
Specifically, the angle of primary optic axis 411 and the first reflection optical axis 421 is about 90 °, and the second optical axis 511 and
The angle of four reflection optical axis 521 is about 90 °.It will be understood that primary optic axis 411 provided above, the second optical axis 511, first are anti-
The specific embodiment for penetrating optical axis 421 and the 4th reflection optical axis 521 is only to illustrate, and is not intended to limit the invention, the present invention
Person of ordinary skill in the field should regard actual needs, elasticity selection primary optic axis 411, the reflection of the second optical axis 511, first
The specific embodiment of optical axis 421 and the 4th reflection optical axis 521.Wherein, appointing in the range of aforementioned about 90 °, i.e., 90 ° ± 3 °
Meaning numerical value.
Specifically, the first reflection optical axis 421 is perpendicular to the first long side 211, and the 4th reflection optical axis 521 is perpendicular to second
Long side 311.It will be understood that the first long side 211 provided above, the second long side 311, the first reflection optical axis 421 and the 4th reflection
The specific embodiment of optical axis 521 is only to illustrate, and is not intended to limit the invention, the technology people of the technical field of the invention
Member should regard actual needs, the first long side 211 of elasticity selection, the second long side 311, the first reflection optical axis 421 and the 4th reflection optical axis
521 specific embodiment.
Specifically, the angle of the first reflection optical axis 421 and the second reflection optical axis 431 is about 74 °, and the 4th reflection optical axis
521 and the 5th the angle of reflection optical axis 531 be about 74 °.The angle of second reflection optical axis 431 and third reflection optical axis 441 is about
74 °, and the angle of the 5th reflection optical axis 531 and the 6th reflection optical axis 541 is about 74 °.It will be understood that provided above first is anti-
Penetrate optical axis 421, the second reflection optical axis 431, third reflection optical axis 441, the 4th reflection optical axis 521, the 5th reflection optical axis 531 and
The specific embodiment of 6th reflection optical axis 541 is only to illustrate, and is not intended to limit the invention, the technical field of the invention
Technical staff should regard actual needs, elasticity selection the first reflection optical axis 421, the second reflection optical axis 431, third reflection optical axis
441, the specific embodiment of the 4th reflection optical axis 521, the 5th reflection optical axis 531 and the 6th reflection optical axis 541.Wherein, preceding
About 74 ° are stated, i.e., any number in the range of 74 ° ± 3 °.
Fig. 4 is painted the stereoscopic schematic diagram of the display device 100 according to another embodiment of the present invention.As depicted in Fig. 4, this
The display device 100 of embodiment and the display device 100 of aforementioned embodiments are roughly the same, and main difference is, aforementioned
In embodiment, the second display module 300 is set to the left side of the first display module 200, but in the present embodiment, and second is aobvious
Show that module 300 is set to the top of the first display module 200.
Specifically, display device 100 further includes plate body 130, wherein plate body 130 has the first face 131, third reflecting mirror
250 and the 6th reflecting mirror 350 be all set on the first face 131.More specifically, third reflecting mirror 250 and the 6th reflecting mirror 350
It is formed respectively by silver-plated or aluminium on the first face 131 of plate body 130.
Because third reflecting mirror 250 and the 6th reflecting mirror 350 are parallel to each other, third reflecting mirror 250 can be with the 6th reflection
Mirror 350 is set on same fixed mechanism (i.e. plate body 130), therefore fixation machine needed for each optical element can be greatly decreased
Structure, thus simplify the internal structure of display device 100, and then reduce the optical path inside display device 100 and be fixed mechanism interference
Chance.
Fig. 5 is painted the schematic rear view of the display device 100 according to a further embodiment of this invention.Show as shown graphically in fig 5, this
The display device 100 of embodiment and the display device 100 of aforementioned embodiments are roughly the same, and it is different mainly to describe its below
Place.
The quantity of first display module 200 be it is multiple, the quantity of the second display module 300 is multiple, the first display module
200 are arranged with the second display module 300 with array manner, and the first display surface 210 is combined with the second display surface 310 and formed aobvious
The display surface 110 of showing device 100.
Above embodiment of the present invention is by making third reflecting mirror 250 and the 5th reflecting mirror 340 parallel to each other, then third
Reflecting mirror 250 can be set on same fixed mechanism (i.e. plate body 120) with the 5th reflecting mirror 340；Alternatively, allowing third reflecting mirror
250 is parallel to each other with the 6th reflecting mirror 350, and then third reflecting mirror 250 can be set to same fixation with the 6th reflecting mirror 350
In mechanism (i.e. plate body 130).Therefore, fixed mechanism needed for each optical element can be greatly decreased in display device 100, thus
Simplify the internal structure of display device 100, and then reduces the chance that the optical path inside display device 100 is fixed mechanism interference.
Although the present invention is disclosed as above with embodiment, it is not intended to limit the invention, the skill of any this field
Art personnel, without departing from the spirit and scope of the present invention, when various change and modification, therefore protection model of the invention can be made
It encloses subject to view appended claims protection scope institute defender.
Claims (10)
1. a kind of display device, characterized by comprising:
At least one first display module includes:
One first display surface has mutually perpendicular one first long side and one first short side；
One first projection arrangement, to project one first image, wherein first image has a primary optic axis, the primary optic axis
Parallel first short side；
One first reflecting mirror generates one first reflected image to reflect first image, and wherein first reflected image has
There is one first reflection optical axis, vertical first short side of first reflection optical axis；
One second reflecting mirror generates one second reflected image to reflect first reflected image, wherein second back projection
As having one second reflection optical axis, vertical first short side of second reflection optical axis；And
One third reflecting mirror generates a third reflected image to reflect second reflected image, and the third reflected image
It is projected on first display surface, wherein the third reflected image has a third reflection optical axis, and the third reflection optical axis hangs down
Straight first long side and first short side；And
At least one second display module includes:
One second display surface has mutually perpendicular one second long side and one second short side, wherein first display surface and this
Two display surfaces combine and form a display surface of the display device, and second long side is parallel to first long side, this is second short
While being parallel to first short side；
One second projection arrangement, to project one second image, wherein second image has one second optical axis, second optical axis
Parallel second short side；
One the 4th reflecting mirror generates one the 4th reflected image to reflect second image, and wherein the 4th reflected image has
There are one the 4th reflection optical axis, vertical second short side of the 4th reflection optical axis；
One the 5th reflecting mirror generates one the 5th reflected image to reflect the 4th reflected image, wherein the 5th back projection
As having one the 5th reflection optical axis, vertical second short side of the 5th reflection optical axis；And
One the 6th reflecting mirror generates one the 6th reflected image to reflect the 5th reflected image, and the 6th reflected image
It is projected on second display surface, wherein second reflecting mirror, the third reflecting mirror, the 5th reflecting mirror and the 6th reflection
Mirror is parallel to each other, and the 6th reflected image has one the 6th reflection optical axis, and vertical second long side of the 6th reflection optical axis with
Second short side.
2. display device as described in claim 1, which is characterized in that the third reflecting mirror is adjacent to the 5th reflecting mirror.
3. display device as described in claim 1, which is characterized in that also include a plate body, wherein the plate body has opposite
One first face and one second face, the third reflecting mirror and the 5th reflecting mirror are respectively arranged on first face and second face.
4. display device as described in claim 1, which is characterized in that also include a plate body, wherein the plate body has one first
Face, the third reflecting mirror and the 6th reflecting mirror are all set on first face.
5. display device as described in claim 1, which is characterized in that first projection arrangement and second projection arrangement are distinguished
First image and second image are projected upward.
6. display device as described in claim 1, which is characterized in that the angle of the primary optic axis and first reflection optical axis is
90 ° ± 3 °, and the angle of second optical axis and the 4th reflection optical axis is 90 ° ± 3 °.
7. display device as described in claim 1, which is characterized in that first reflection optical axis perpendicular to first long side, and
4th reflection optical axis is perpendicular to second long side.
8. display device as described in claim 1, which is characterized in that the folder of first reflection optical axis and second reflection optical axis
Angle is 74 ° ± 3 °, and the angle of the 4th reflection optical axis and the 5th reflection optical axis is 74 ° ± 3 °.
9. display device as described in claim 1, which is characterized in that the folder of second reflection optical axis and the third reflection optical axis
Angle is 74 ° ± 3 °, and the angle of the 5th reflection optical axis and the 6th reflection optical axis is 74 ° ± 3 °.
10. display device as described in claim 1, which is characterized in that the quantity of at least one first display module be it is multiple,
The quantity of at least one second display module be it is multiple, those first display modules and those second display modules are with array manner
Arrangement, and those first display surfaces combine and are formed the display surface of the display device with those second display surfaces.
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| CN104678691A (en) * | 2013-11-28 | 2015-06-03 | 台达电子工业股份有限公司 | Light source system and display device |
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