CN106353996A - Holographic display device - Google Patents
Holographic display device Download PDFInfo
- Publication number
- CN106353996A CN106353996A CN201610974661.3A CN201610974661A CN106353996A CN 106353996 A CN106353996 A CN 106353996A CN 201610974661 A CN201610974661 A CN 201610974661A CN 106353996 A CN106353996 A CN 106353996A
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- holographic
- base
- plate
- upper lid
- holographic plate
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- 230000001154 acute effect Effects 0.000 claims description 10
- 238000001093 holography Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 208000005168 Intussusception Diseases 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
Abstract
The embodiment of the invention provides a holographic display device, and relates to the technical field of display. The problem that a projection type holographic display device is relatively large in structure size is solved. The holographic display device comprises an upper cover and a base opposite to each other, wherein a display screen is installed on the upper cover, and the base is rotatably connected with a holographic board; and a connecting piece is arranged between the upper cover and base, and the connecting piece is used for bracing the upper cover so that the first spacing is formed between the upper cover and the base, or the connecting piece is used for folding the upper cover so that the second spacing is formed between the upper cover and the base. The holographic display device further comprises an angle regulating part arranged on the holographic board, and the angle regulating part is used for regulating the angle between the holographic board and the base so as to project an image displayed on the display screen to the holographic board when the first spacing is formed between the upper cover and the base, or to hold the holographic board on the base when the second spacing is formed between the upper cover and the base. The holographic display device is used for holographic projection display.
Description
Technical field
The present invention relates to display technology field, more particularly, to a kind of holographic display.
Background technology
Become increasingly popular with 3d (dimension, dimension) Display Technique and use, projection holography is gradually entered
Enter in the middle of the live and work of people.Projection holography is different from parallax stereo display technique, therefore has anti-
The only advantage of dizziness.
Wherein, projection holographic display is as shown in figure 1, include upper bracket 01 and the lower carriage 02 being oppositely arranged.On
It is provided with tilted-putted holographic film 20, this holographic film 20 has higher absorbance and reflection between support 01 and lower carriage 02
Rate.Based on this, upper bracket 01 is provided with display screen 10, after the display ray cast that display screen 10 sends to holographic film 20, should
There is to reflect the virtual image c so that for seeing display image through holographic film 20 in display light on holographic film 20, due to the virtual image
C is suspended in space, so that user watches 3d phantom stereo display effect therefore in the case of complete bore hole, gives people
With visual impact, there are strong depth feelings.
However, the upper bracket 01 of above-mentioned projection holographic display and lower carriage 02 need support bar to be supported,
Ensure that holographic film 20 is kept at an angle slant setting, shown with realizing above-mentioned 3d, the therefore holographic display of this projection
The physical dimension of device is larger, is unfavorable for carrying.
Content of the invention
Embodiments of the invention provide a kind of holographic display, solve the physical dimension of projection holographic display
Larger problem.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
The one side of the embodiment of the present invention, provides a kind of holographic display, including the upper lid and bottom seat being oppositely arranged；Institute
State to cover and display screen is installed, described base is rotatably connected to holographic plate；It is provided between described upper lid and described base
Connector, described connector is used for propping described upper lid so that having the first spacing between described upper lid and described base, or
For packing up described upper lid so that there is the second spacing between described upper lid and described base；Wherein, described first spacing is more than
Described second spacing；Holographic display also includes the angle adjusting piece being arranged on described holographic plate, described angle adjusting piece
For being adjusted to the angle between described holographic plate and described base, so that between described upper lid and described base being
During described first spacing, the image projection that described display screen shows is to described holographic plate；Or when described upper lid and described bottom
When between seat for the second spacing, holographic plate is accommodated on described base.
Preferably, base is provided with four holographic plates, all holographic plates are trapezoidal or are triangle, each is holographic
The base of plate is hinged with described base；, under state of propping, each holographic plate is to the side near described upper lid for described connector
At an acute angle to the angle between upset, and each holographic plate and described base；Often two neighboring holographic plate relatively connect two-by-two so that
All trapezoidal holographic plates surround truncated rectangular pyramids, or make all triangle holographic plates surround a rectangular pyramid；Described connection
Under collapsed state, each holographic plate overturns part near the direction of described base, and is accommodated on described base；Adjacent two
The a part of of individual holographic plate overlaps.
Preferably, all holographic plates be trapezoidal in the case of, described angle adjusting piece include two arranged in a crossed manner
Rectangle stretched component, each described rectangle stretched component includes two fix bars being oppositely arranged, and the two ends of two fix bars lead to respectively
Cross two expansion links to be connected；Adjacent described fix bar and described expansion link are vertically arranged；Two relative holographic plates of position
Top margin be hinged with two fix bars of a rectangle stretched component respectively.
Preferably, base is provided with four holographic plates, described four holographic plates are trapezoidal or are triangle, each
The base of holographic plate is hinged with described base；It is connected with foldable layer between two neighboring holographic plate；Described connector is propping up
Under the state of rising, each holographic plate overturns near the direction of described upper lid, and the angle between each holographic plate and described base
Degree is at an acute angle；Described foldable layer is in deployed condition so that all trapezoidal holographic plates surround truncated rectangular pyramids, or makes institute
Triangle holographic plate is had to surround a rectangular pyramid；, under collapsed state, each holographic plate is near described bottom for described connector
The direction of seat rotates, and described foldable layer is in folded state so that all holographic plates are accommodated on described base.
Preferably, all holographic plates be trapezoidal in the case of, described angle adjusting piece includes rectangle stretched component, this institute
State rectangle stretched component and include four l type fix bars, two adjacent l type fix bars are connected by expansion link；Each holographic plate
Top margin l described with type fix bar be hinged.
Preferably, described connector is expansion link or folding rod.
Preferably, described display screen includes four display son screens, the position of each display son screen and the position of a holographic plate
Put corresponding, each display shields for the image projection that will show to a holographic plate.
Preferably, described display screen shows four images, and the position of each image is corresponding with the position of a holographic plate,
So that each image projection is to a holographic plate.
Preferably, described upper lid is provided with the first groove, and described display screen embeds in described first groove；And/or, described
Second groove is provided with base, when between described upper lid and described base for the second spacing, described holographic plate is accommodated in institute
State in the second groove.
Preferably, described base or described on cover and be provided with holding tank, for accommodating the connector under collapsed state.
The embodiment of the present invention provides a kind of holographic display, including the upper lid and bottom seat being oppositely arranged.On cover installation
There is display screen, base is rotatably connected to holographic plate.Additionally, being provided with connector between upper lid and bottom seat, connector is used for propping up
Play upper lid so that there is the first spacing between upper lid and bottom seat.Or this connector is used for packing up lid so that upper lid and bottom seat
Between there is the second spacing.Wherein, the first spacing is more than the second spacing.Additionally, holographic display also includes being arranged at holography
Angle adjusting piece on plate, this angle adjusting piece is used for the angle between holographic plate and base is adjusted, so that when upper
When being the first spacing between lid and bottom seat, in the image projection that display screen shows to holographic plate.Or between upper lid and bottom seat
During for the second spacing, holographic plate is accommodated on base.
So, when this holographic display needs to carry out holographic display, can by connector prop upper cover with
So that there is certain spacing between upper lid and bottom seat, so that it is guaranteed that holographic plate can overturn near the direction of upper lid, and with
Angle between base be acute angle so that on the picture that shows of the display screen that covers can project to holographic plate, to realize holography
Projection Display.Additionally, when this holographic display need not carry out holographic display, upper lid can be packed up by connector, to subtract
The distance between little upper lid and bottom seat, and by angle adjusting piece so that holographic plate is accommodated on base, thus reducing holography
The thickness of display device, is conducive to user to be convenient for carrying.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
A kind of line holographic projections schematic diagram of holographic display that Fig. 1 provides for prior art；
Fig. 2 is a kind of line holographic projections schematic diagram of holographic display provided in an embodiment of the present invention；
Fig. 3 is the connected mode schematic diagram between holographic plate and base in Fig. 2；
Fig. 4 a is the schematic diagram that in Fig. 2, connector packs up lid；
Fig. 4 b is a kind of concrete structure schematic diagram of connector；
Fig. 4 c is another kind of concrete structure schematic diagram of connector；
Fig. 5 a is the line holographic projections schematic diagram of another kind holographic display provided in an embodiment of the present invention；
Fig. 5 b is the schematic diagram that the upper lid shown in Fig. 5 a is involutory with base；
Fig. 6 be in Fig. 5 a on cover and be provided with the structural representation that the second groove is provided with the first groove and base；
Fig. 7 is a kind of structural representation that holographic display provided in an embodiment of the present invention includes four holographic plates；
Fig. 8 is scheme of installation on base for the holographic plate in Fig. 7；
Fig. 9 is that in Fig. 7, holographic plate is accommodated in the schematic diagram on base；
Figure 10 a is in the schematic diagram of extended state for the rectangle stretched component in Fig. 8；
Figure 10 b is in the schematic diagram of compressive state for the rectangle stretched component in Fig. 8；
Figure 11 is another kind of structural representation that holographic display provided in an embodiment of the present invention includes four holographic plates；
Figure 12 is that in Figure 11, holographic plate is accommodated in the schematic diagram on base；
Figure 13 is another structural representation that holographic display provided in an embodiment of the present invention includes four holographic plates；
Figure 14 is that in Figure 13, holographic plate is accommodated in the schematic diagram on base；
Figure 15 a is in the schematic diagram of extended state for the rectangle stretched component in Figure 13；
Figure 15 b is in the schematic diagram of compressive state for the rectangle stretched component in Figure 13.
Reference:
01- upper bracket；02- lower carriage；10- display screen；110- display son screen；20- holographic film；21st, 21 '-holographic plate；
22- hinge；30- connector；301- connecting rod；302- links up with；31- holding tank；40th, 40 '-rectangle stretched component；401- fix bar；
402- expansion link；4021- fixed part；4022- movable part；Cover on 100-；101- base；120- first groove；121- second is recessed
Groove；The foldable layer of 210-.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the present invention provides a kind of holographic display, as shown in Fig. 2 including upper lid 100 and the bottom being oppositely arranged
Seat 101.Wherein, upper lid 100 is provided with display screen 10, base 101 is rotatably connected to holographic plate 21.
Wherein, in order to improve the effect that line holographic projections show, preferably above-mentioned holographic plate 21 can include having highly transmissive
Rate and the holographic film of reflectance.Additionally, for the rigidity improving holographic plate 21, can in the setting of at least side of this holographic film thoroughly
Bright substrate, such as glass substrate or acrylic board etc..
Additionally, being rotationally connected with base 101 it is preferred that this holographic plate 21 can be by such as to realize holographic plate 21
Hinge 22 shown in Fig. 3 is articulated with base 101.Specifically, the mode being threaded connection is by one end of hinge 22 even
Connect and holographic plate 21, the other end is connected on base 101.So, when this holographic display need not show, by holographic plate
21 downwardly turn over to the direction near base 101, so that holographic plate 21 can be accommodated on base 101.Or this holography shows
When showing device is shown, holographic plate 21 is flipped up near the direction of upper lid 100, so that the figure of display screen 10 display
As projecting to holographic plate 21, thus realizing line holographic projections.
In sum, need that there is certain spacing before upper lid 100 and base 101, to ensure that holographic plate 21 can have
Enough spaces, are overturn upwards near the direction of upper lid 100.The latter, when holographic plate 21 is to the direction near base 101
When downwardly turning over, in order to reduce the thickness of holographic display, upper lid the distance between 100 and base 101 can be reduced.
Therefore, in order to upper lid 100 and base 101 spacing be adjusted, as shown in Fig. 2 upper lid 100 and base
It was provided with connector 30 before 101.This connector 30 is used for propping lid 100 so that having between upper lid 100 and base 101
First spacing h1.Or as shown in fig. 4 a, it is used for packing up lid 100 so that having between second between upper lid 100 and base 101
Away from h2.Wherein, the first spacing h1 is more than the second spacing h2.Wherein, the present invention does not limit to the quantity of connector 30, when upper lid
100 and base 101 be rectangle when, preferably can base 101 or on lid 100 four angles be respectively provided with a connector
30.
It should be noted that above-mentioned connector 30 is the folding rod as shown in Fig. 2 or 4a, this folding rod includes multiple mutual
Hinged connecting rod.By adjusting the angle between two neighboring connecting rod, reach and spacing between 100 and base 101 is covered on regulation
Purpose.Or, this connector 30 can be expansion link as shown in Figure 5 a, and this expansion link includes multiple connecting rods being nested together,
By adjusting the relative altitude between two neighboring connecting rod, reach the purpose of spacing between lid 100 and base 101 in regulation.Base
In this, above-mentioned connector 30 can arrange latch-up structure, for the spacing between fixed cover 100 and base 101.For example when
Connector 30 props lid 100 so that between upper lid 100 and base 101 when having the first spacing h1, can be by above-mentioned locking
Structure is so that the position being used for constituting between each connecting rod of this connecting rod 30 no longer changes.
Specifically, when connector 30 be folding rod when, as shown in Figure 4 b, this folding rod include multiple be sequentially connected multiple
Connecting rod 301.Often the angle between two neighboring connecting rod 301 can be adjusted, and realizes opening and stacking such that it is able to right of folding rod
Between upper lid 100 and base 101, distance is adjusted.In the case, above-mentioned latch-up structure can include being arranged at adjacent two
Hook 302 on one of connecting rod 301 of individual connecting rod 301.In addition it is also necessary to arrange one on another one connecting rod 301
Groove.When the one end linking up with 302 hooks into above-mentioned groove, the angle between two neighboring connecting rod 301 immobilizes, so that
The position of two neighboring connecting rod 301 is locked, so that distance keeps above-mentioned first spacing h1 between upper lid 100 and base 101.
Or, when connector 30 is expansion link, as illustrated in fig. 4 c, this expansion link includes the connecting rod of multiple intussusceptions successively
301.One of them in two neighboring connecting rod 301 can change with respect to another height and position, realizes expansion link
Stretching and compression such that it is able to upper lid 100 and base 101 between distance be adjusted.In the case, above-mentioned locking knot
Structure can include the projection of setting on one of connecting rod 301 of two neighboring connecting rod 301.In addition it is also necessary at another
The groove of setting on connecting rod 301.When stretching one of connecting rod so that when above-mentioned projection snaps in above-mentioned groove, two neighboring
Relative altitude between connecting rod 301 immobilizes, so that the position of two neighboring connecting rod 301 is locked, so that upper lid
Between 100 and base 101, distance keeps above-mentioned first spacing h1.
On this basis, when connector 30 packs up upper lid 100, if being capable of phase mutual connection between upper lid 100 and base 101
Touch, you can to cover the mutual pairing of 100 and base on realizing.So holographic plate 21 can be contained within upper lid 100 and bottom
The within the chamber that seat 101 is combined to form, such that it is able on the basis of reducing holographic display thickness further, it is to avoid extraneous ring
Border impacts to holographic plate 21.
In order to cover the mutual pairing of 100 and base 101 on realizing.Preferably, as shown in Figure 5 a, this base 101 is arranged
There is holding tank 31, for accommodating the connector 30 under collapsed state.So, upper lid 100 with base 101 pairing process
In, connector 30 can be accommodated in above-mentioned holding tank 31 completely, thus as shown in Figure 5 b so that upper cover 100 and base
101 contact.Certainly, above-mentioned holding tank 31 can also be arranged on lid 100.
Additionally, as shown in fig. 6, the first groove 120 can be arranged on upper lid 100, it is first recessed that above-mentioned display screen 10 embeds this
In groove 120.And the second groove 121 is provided with this base 101, is the second spacing h2 between upper lid 100 and base 101
When, above-mentioned holographic plate 21 can be accommodated in this second groove 121.
From the foregoing, during connector 30 packs up lid 100, above-mentioned connector 30 can be accommodated in completely
State in holding tank 31, holographic plate 21 can be accommodated in this second groove 121 in addition.And display screen 10 embeds this first groove
In 120.Therefore upper lid 100 and base 101 can be realized completely attaching to, so that above-mentioned second spacing h2 is zero, with maximum
The thickness of the reduction holographic display of degree, and ensure that the sealing after lid 100 and base 101 pairing so that being located at
Holographic plate 21 in upper lid 100 and the closing space that is combined to form of base 101 avoids being affected by external environment.
On this basis, this holographic display also includes the angle adjusting piece being arranged on holographic plate 21, and this angle is adjusted
Section part is used for the angle between holographic plate 21 and base 101 is adjusted, so that between upper lid 100 and base 101 being
During above-mentioned first spacing h1, the image of display screen 10 display can project to this holographic plate 21.Or when upper lid 100 and base
When being above-mentioned second spacing h2 between 101, holographic plate 21 is accommodated on base 101.
In sum, when this holographic display needs to carry out holographic display, lid can be propped by connector 30
100, so that there is certain spacing between upper lid 100 and base 101, so that it is guaranteed that holographic plate 21 can be near upper lid
100 direction upset, and the angle and base 101 between is acute angle so that the picture energy of display screen 10 display on upper lid 100
Enough projections, to holographic plate 21, are shown with realizing line holographic projections.Additionally, when this holographic display need not carry out holographic display,
Lid 100 can be packed up by connector 30, to reduce upper lid the distance between 100 and base 101, and pass through angular adjustment
Part is so that holographic plate 21 is accommodated on base 101, thus reducing the thickness of holographic display, is conducive to user side portable
Band.
It should be noted that the quantity of holographic plate 21 is consistent with the quantity of observation position, when the setting of this holographic display
When having a holographic plate 21, the user being only located at holographic plate 21 reflecting surface side just can see the image of line holographic projections.Work as sight
When seeing that number is more, user can be crowded such that it is able to avoid around the one of holographic display week.For example, when this holography
Display device applications in the transparent exhibition booth in museum, for reproduce a historical relic line holographic projections image when, observer can divide
Watched within one week that is distributed in this exhibition booth, and need not the crowded dead ahead in holographic display, thus it is comfortable to improve viewing
Degree.In this case, it is preferable to this holographic display four holographic plates 21 can be set, so that being located at holographic display respectively
The observer of device surrounding is it can be seen that the image of line holographic projections.
Knot below so that four holographic plates 21 are provided with the base 101 of holographic display as a example, to this holographic plate 21
The structure of structure and above-mentioned angle adjusting piece carries out detailed illustration.Wherein, following instance is all with connector 30 for stretching
The explanation carrying out as a example contracting bar.
Specifically, for example, as shown in Figure 7 all holographic plates 21 be trapezoidal.And the base of each holographic plate 21 such as Fig. 8 institute
Show and be hinged with described base 101.Wherein, when being provided with the second groove 121 on base 101, the base of above-mentioned holographic plate 21
It is articulated with the side wall of the second groove 121.
It should be noted that because holographic plate 21 is trapezoidal, the base of therefore holographic plate 21 is trapezoidal two parallel sides
In longer a line, and top margin is shorter a line in parallel two side.
Based on this, connector 30, under state of propping, is pulled up along direction shown in the arrow of Fig. 7, to prop upper lid
100.At this point it is possible to by each holographic plate 21 to the direction upset near upper lid 100, and each holographic plate 21 and base 101 it
Between angle at an acute angle.Wherein, in order to improve the effect of line holographic projections, preferably above-mentioned connector 30 under state of propping, often
Angle between individual holographic plate 21 and base 101 is 45 °.
On this basis, often two neighboring holographic plate 21 connects so that all trapezoidal holographic plates 21 are as shown in Figure 7 two-by-two relatively
Surround truncated rectangular pyramids, this truncated rectangular pyramids no pushes up bottomless.Wherein, because this holographic plate 21 is trapezoidal, therefore above-mentioned often two neighboring
Holographic plate 21 relatively connects two-by-two and refers to, often two neighboring trapezoidal waist connects two-by-two relatively.Based on this, install for convenience and make
Make, preferably above-mentioned holographic plate 21 is isosceles trapezoid.
It should be noted that illustrating to the structure of truncated rectangular pyramids for convenience, the upper lid 100 in Fig. 7 is disconnected bar
30, under state of propping, upper lid 100 is connected actual connector 30 with connector 30, and between upper lid 100 and base 101
Spacing when being the first spacing h1 as shown in Figure 2, trapezoidal holographic plate 21 is contacted with upper lid 100 with top margin or does not contact.
Additionally, connector 30 is under collapsed state, compress downwards along direction shown in the arrow of Fig. 9, to pack up upper lid 100,
Each holographic plate 21 overturns near the direction of base 101, and is accommodated on base, and the one of two adjacent holographic plates 21
Partly overlap, produce overlapping region a.
On this basis, all holographic plates 21 be trapezoidal in the case of, above-mentioned angle adjusting piece includes as shown in Figure 7
Two rectangle stretched components 40 arranged in a crossed manner.Wherein, as shown in Figure 10 a, each rectangle stretched component 40 includes two and is oppositely arranged
Fix bar 401, the two ends of two fix bars 401 are connected by two expansion links 402 respectively.And adjacent fix bar 401
It is vertically arranged with expansion link 402.Wherein, expansion link 402 includes a movable part 4022 and two fixed parts 4021, fixed part
It is provided with the hole for adjustable telescopic rod 402 collapsing length on 4021.Two fixed parts 4021 are respectively arranged at movable part 4022
Two ends, for connecting two fix bars being oppositely arranged 401 respectively.
So, one rectangle stretched component 40 of two fix bars 401 and two expansion links 402 besieged cities.When along as Figure 10 a
Direction shown in middle arrow, during two expansion links 402 of stretching, the distance between two being oppositely arranged fix bar 401 increases.Or
Person works as the direction as shown in arrow in Figure 10 b, during two expansion links 402 of compression, between two being oppositely arranged fix bar 401
Distance reduces.
In the case, as shown in fig. 7, the top margin of two relative holographic plates 21 of position respectively with a rectangle stretched component
40 two fix bars 401 are hinged.Holographic plate 21 can rotate with respect to rectangle stretched component 40.
Specifically, when holographic display carries out line holographic projections display, connector 30 props lid 100.First will be as Fig. 9
The holographic plate 21 that shown above two are oppositely arranged overturns near the direction of upper lid 100, now with above-mentioned holography
Two expansion links 402 of the rectangle stretched component 40 that plate 21 is connected stretch, the distance between two being oppositely arranged fix bar 401
Increase, as shown in fig. 7, relative two angles between base 101 for the holographic plate 21 are acute angle.
Then, then by underlying two holographic plates 21 ' being oppositely arranged as shown in Figure 9 near upper lid 100
Direction overturns, and two expansion links 402 of the rectangle stretched component 40 being now connected with above-mentioned holographic plate 21 ' are stretched, and are oppositely arranged
The distance between two fix bars 401 increase, relative two holographic plates 21 ' angle between base 101 is acute angle.As
Shown in Fig. 8, connect relative two-by-two with holographic plate 21 ' of holographic plate 21 surrounds truncated rectangular pyramids.
It should be noted that as shown in fig. 7, relative two holographic plates 21 are simultaneously connected with rectangle stretched component 40, relatively setting
The holographic plate 21 ' put is simultaneously connected with rectangle stretched component 40 '.Due to all receiving when all holographic plates (holographic plate 21 and holographic plate 21 ')
When being contained on base 101, holographic plate 21 is located at the top of holographic plate 21 '.Therefore rectangle stretched component 40 is located at rectangle stretched component 40 '
Top.
In this case, it is possible on upper lid 100, setting four shows son screen 110 as shown in Figure 7, each display shields
110 position is corresponding with the position of a holographic plate 21, each display son screen 110 be used for will display image projection to this
On the corresponding holographic plate 21 in display son screen 110 positions, so that the user being located at this holographic plate 21 reflecting surface side can
See line holographic projections image.Or, as shown in figure 9, display screen 10 display has four viewing area b, four figures of display respectively
Picture, the position of a viewing area b is corresponding with the position of a holographic plate (holographic plate 21 or holographic plate 21 '), so that often
The image projection that individual viewing area b shows is to a holographic plate, and then enables to be located at the user of this holographic plate reflecting surface side
Enough see line holographic projections image.
In sum, because the four direction of this holographic display is provided with above-mentioned holographic plate (holographic plate 21 or complete
Breath plate 21 '), the observer therefore in aforementioned four direction all can watch line holographic projections image.
It should be noted that aforementioned four viewing area b or four display son screens 110 can show four differences respectively
Image, for example respectively show a stereo article four faces.Or identical image can also be shown, the present invention is to this not
Limit.
Additionally, when holographic display shows without line holographic projections, connector 30 packs up lid 100.First will be as Fig. 7 institute
The holographic plate 21 ' being oppositely arranged showing near the upset of the direction of base 101, make first its be accommodated on base 101 second recessed
In groove 121.Then by the holographic plate 21 ' being oppositely arranged shown in Fig. 7 near the upset of the direction of base 101, after making, it is received
In the second groove 121 on base 101, and cover as shown in Figure 9 in the top of the above-mentioned holographic plate 21 ' being oppositely arranged, from
And form above-mentioned overlapping region a.Finally upper lid 100 is carried out pairing with base 101.
Above-mentioned be by all of holographic plate 21 be trapezoidal as a example the explanation that carries out.Additionally, again for example, as shown in figure 11,
All of holographic plate 21 can be triangle.When connector 30 is under state of propping, all triangle holographic plates 21 are to close
The direction of upper lid 100 is overturn, and often two neighboring holographic plate 21 connects so that all triangle holographic plates 21 surround two-by-two relatively
One rectangular pyramid, this rectangular pyramid is bottomless.Wherein, because this holographic plate 21 is triangle, therefore above-mentioned often two neighboring holographic plate
21 relatively connect two-by-two and refer to, often the side of two neighboring triangle connects two-by-two relatively, or the waist of every two neighboring isosceles triangle
Relatively connect two-by-two.
When connector 30 is under collapsed state, one by one triangle holographic plate 21 is turned over to the direction near base 101
Turn, so that each triangle holographic plate 21 is accommodated on base 101 (or the second groove 121 of base 101 as shown in figure 12
Interior).In the case, above-mentioned angle adjusting piece can be four Collapsible racks being connected from different holographic plates 21 respectively.
Wherein, above-mentioned folding rack is arranged at a side surface near base 101 for the holographic plate 21.Specifically, when all holographic plates 21 enclose
When becoming a rectangular pyramid, above-mentioned folding rack props each holographic plate 21 respectively.When all holographic plates 21 are accommodated in base 101
The second groove 121 in when, above-mentioned folding rack is in folded state, and is equally accommodated in the second groove 121 of this base 101
Interior.
Additionally, being provided with four holographic plates 21 on the base 101 of holographic display, described four holographic plates 21 are
Trapezoidal or be triangle, and in the case that the base of each holographic plate 21 is hinged with described base 101 as shown in Figure 8, and
For example, as shown in figure 13, it is connected with foldable layer 210 between two neighboring holographic plate 21 and holographic plate 21 '.This foldable layer
210 can be constituted using flexible clear materials.
In the case, when connector 30 is under state of propping, each holographic plate 21 turns near the direction of upper lid 100
Turn, and the angle between each holographic plate 21 and base 101 is at an acute angle, same as above, preferably this angle can be 45 °.This
When, above-mentioned foldable layer 210 is in deployed condition, so that all trapezoidal holographic plates 21 surround a no top nothing as shown in figure 13
The truncated rectangular pyramids at bottom；Or make all triangle holographic plates 21 surround a rectangular pyramid.
It should be noted that when foldable layer 210 is in deployed condition, for surrounding above-mentioned truncated rectangular pyramids or quadrangular
In all holographic plates, two holographic plates 21 of arbitrary neighborhood are not joined directly together, but as depicted by fig. 13 by adjacent positioned at this
Foldable layer 210 between two holographic plates 21 is indirectly connected to.
Additionally, when connector 30 under collapsed state, each holographic plate 21 near base 101 direction rotation, such as
Shown in Figure 14, foldable layer 210 is in folded state, and all holographic 21 plates are accommodated on base 101.
Based on this, all holographic plates 21 be trapezoidal in the case of, above-mentioned angle adjusting piece as shown in figure 13, including square
Shape tensioning member 40.Specifically, this rectangle stretched component 40 as shown in figure 14, including four l type fix bars 401, adjacent two l types
Fix bar 401 is connected by expansion link 402.The top margin of each holographic plate 21 is connected with a l type fix bar 401.Wherein,
Above-mentioned expansion link 402 equally includes two fixed parts 4021 and a movable part 4022.Wherein, even a fixed part 4021 connects respectively
Connect different l type fix bars 401.
Specifically, when each holographic plate 21 near upper lid 100 direction upset when, can along along such as Figure 15 a arrow
Shown direction, stretches above-mentioned expansion link 402, so that the distance of the l type fix bar 401 being oppositely arranged increases.Or, when every
One holographic plate 21, to when overturning near the direction of base 101, can compress above-mentioned along the direction as shown in arrow in Figure 15 b
Expansion link 402, so that the distance of the l type fix bar 401 being oppositely arranged reduces.
Additionally, when being connected with foldable layer 210 between two neighboring holographic plate 21 and holographic plate 21 ', can on upper lid 100
To be provided with a display screen 10 as shown in figure 14, this display screen 10 has four viewing area b, or as shown in fig. 7, upper
Four display son screens 110 are installed on lid 100.Wherein, the set-up mode of viewing area b or display son screen 110 is same as above, herein
Repeat no more.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by described scope of the claims.
Claims (10)
1. a kind of holographic display is it is characterised in that include the upper lid and bottom seat being oppositely arranged；Cover on described be provided with aobvious
Display screen, described base is rotatably connected to holographic plate；
It is provided with connector, described connector is used for propping described upper lid so that described between described upper lid and described base
Between lid and described base, there is the first spacing, or be used for packing up described upper lid so that between described upper lid and described base
There is the second spacing；Wherein, described first spacing is more than described second spacing；
Holographic display also includes the angle adjusting piece being arranged on described holographic plate, and described angle adjusting piece is used for described
Angle between holographic plate and described base is adjusted, so that being between described first between described upper lid and described base
Away from when, the image projection that described display screen shows is on described holographic plate；Or for the between described upper lid and described base
During two spacing, holographic plate is accommodated on described base.
2. holographic display according to claim 1, it is characterised in that being provided with four holographic plates on base, owns
Holographic plate is trapezoidal or is triangle, and the base of each holographic plate is hinged with described base；
Described connector under state of propping, each holographic plate near described upper lid direction upset, and each holographic plate with
Angle between described base is at an acute angle；Often two neighboring holographic plate connects so that all trapezoidal holographic plates surround one two-by-two relatively
Individual truncated rectangular pyramids, or make all triangle holographic plates surround a rectangular pyramid；
Under collapsed state, each holographic plate overturns described connector near the direction of described base, and is accommodated in described bottom
On seat；The a part of of two adjacent holographic plates overlaps.
3. holographic display according to claim 2 is it is characterised in that be trapezoidal situation in all holographic plates
Under, described angle adjusting piece includes two rectangle stretched components arranged in a crossed manner, and each described rectangle stretched component includes two relatively
The fix bar of setting, the two ends of two fix bars are connected by two expansion links respectively；Adjacent described fix bar and described
Expansion link is vertically arranged；
The top margin of two relative holographic plates of position is hinged with two fix bars of a rectangle stretched component respectively.
4. holographic display according to claim 1 is it is characterised in that being provided with four holographic plates on base, described
Four holographic plates are trapezoidal or are triangle, and the base of each holographic plate is hinged with described base；Two neighboring holography
It is connected with foldable layer between plate；
Under state of propping, each holographic plate overturns described connector near the direction of described upper lid, and each holographic plate
Angle and described base between is at an acute angle；Described foldable layer is in deployed condition so that all trapezoidal holographic plates surround one
Individual truncated rectangular pyramids, or make all triangle holographic plates surround a rectangular pyramid；
Under collapsed state, each holographic plate rotates described connector near the direction of described base, described foldable layer
It is in folded state so that all holographic plates are accommodated on described base.
5. holographic display according to claim 4 is it is characterised in that be trapezoidal situation in all holographic plates
Under, described angle adjusting piece includes rectangle stretched component, and this described rectangle stretched component includes four l type fix bars, adjacent two l
Type fix bar is connected by expansion link；The top margin of each holographic plate l described with type fix bar is hinged.
6. the holographic display according to any one of claim 1-5 it is characterised in that described connector be expansion link or
Folding rod.
7. the holographic display according to any one of claim 3-5 it is characterised in that described display screen include four show
Show sub- screen, each shows that the position of son screen is corresponding with the position of a holographic plate, each display shields the figure for showing
As projecting to a holographic plate.
8. the holographic display according to any one of claim 3-5 is it is characterised in that described display screen shows four figures
Picture, the position of each image is corresponding with the position of a holographic plate, so that each image projection is to a holographic plate.
9. the holographic display according to any one of claim 1-5 it is characterised in that described upper lid to be provided with first recessed
Groove, described display screen embeds in described first groove；
And/or, described base is provided with the second groove, when between described upper lid and described base for the second spacing, described
Holographic plate is accommodated in described second groove.
10. the holographic display according to any one of claim 1-5 is it is characterised in that described base or described upper lid
On be provided with holding tank, for accommodating the connector under collapsed state.
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| CN201610974661.3A CN106353996B (en) | 2016-11-04 | 2016-11-04 | A kind of holographic display |
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| CN109946918A (en) * | 2019-04-26 | 2019-06-28 | 四川省派瑞克斯光电科技有限公司 | 3D projection angle control method, device and system |
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| CN111243467A (en) * | 2020-02-12 | 2020-06-05 | 秦培均 | Safe evacuation device for large-scale complex personnel dense place in city |
| CN115373246A (en) * | 2022-09-19 | 2022-11-22 | 河南城建学院 | Portable holographic simulation box |
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