CN106842797A - A kind of laser projection screen - Google Patents
A kind of laser projection screen Download PDFInfo
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- CN106842797A CN106842797A CN201710279245.6A CN201710279245A CN106842797A CN 106842797 A CN106842797 A CN 106842797A CN 201710279245 A CN201710279245 A CN 201710279245A CN 106842797 A CN106842797 A CN 106842797A
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- Prior art keywords
- backboard
- blooming piece
- magnet
- laser projection
- projection screen
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
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- General Physics & Mathematics (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The present invention discloses a kind of laser projection screen, is related to laser projection device technical field.To solve the problems, such as that hard screen causes to carry and register one's residence difficult and invent because its quality and size are larger in the prior art.Laser projection screen of the invention includes screen main body, the screen main body includes backboard and the blooming piece being removably connected on the backboard, the backboard is formed by multiple backboard unit spliceds, each described backboard unit can be connected by fixture with wall, the blooming piece is made by elastomeric material, and it is arcuate structure that the blooming piece is rollable under external force, can recover to straightened condition when the external force disappears.The light that laser projection screen of the present invention can be used to sending in laser is reflexed in spectators' eye.
Description
Technical field
The present invention relates to laser projection device technical field, more particularly to a kind of laser projection screen.
Background technology
Laser television has the advantages that colour gamut is wide, brightness is high because of it, rapidly sent out long service life, energy-conservation and environmental protection
Exhibition.Laser television includes projecting apparatus (laser) and the projection screen used cooperatively with projecting apparatus, and when using, projection screen is usual
On wall, the light in projector projects to projection screen is injected into spectators after being reflected through projection screen along the light path of setting
In eye, so as to produce image.
At present, the projection screen of in the market mainly includes two kinds of soft screen and hard screen, wherein, soft screen includes screen
Main body and support frame, screen main body are made by soft material, and the edge of screen main body is had for one week using spring, elastic threads etc.
Elastic construction is connected in support frame, so that screen main body is in straightened condition；And hard screen includes blooming piece and backboard,
Backboard is made by rigid material, and blooming piece is adopted and is connected on the adhesive on backboard, and then the surrounding in hard screen assembles frame to rise
To masking and the effect of decoration.Because laser television has requirement higher to the flatness and light resistance of projection screen, and it is soft
Screen anti-light poor-performing in itself, simultaneously because spring or the isostructural less stable of elastic threads, bullet after a long time use
Property power easily produces decay, and this causes the screen main body in support frame to be unable to reach flatness requirement.Compared with soft screen, firmly
Curtain itself has good anti-light performance and rigidity, and the anti-light performance peace that can effectively meet laser television to projection screen is whole
The requirement of degree.Therefore, projection products now in the art, adopt as the product higher to projection screen requirement such as laser television
With hard screen as its projection screen.
But, because laser television is larger with the size of hard screen, simultaneously because hard screen of the prior art is used
Backboard is that a rigidity is overall, and when dispatching from the factory, blooming piece is attached on backboard, therefore this will cause hard screen
Overall weight and size are larger, and thus hard screen is relatively difficult when carrying and entering in access customer man, and this will be to whole projection
The development of industry produces serious restriction.
The content of the invention
The present invention provides a kind of laser projection screen, can reduce difficulty of the hard screen in carrying and entering access customer man.
To reach above-mentioned purpose, the invention provides a kind of laser projection screen, including screen main body, the screen main body
Including backboard and the blooming piece being removably connected on the backboard, the backboard is formed by multiple backboard unit spliceds,
Each described backboard unit can be connected by fixture with wall, and the blooming piece is made by elastomeric material, and the light
It is arcuate structure to learn diaphragm rollable under external force, can be recovered to straightened condition when the external force disappears.
A kind of laser projection screen that the present invention is provided, because screen main body includes backboard and is removably connected to backboard
On blooming piece, therefore carry laser projection screen when, backboard and blooming piece can in batches be transported, and reach user
Installed again during place.Again because backboard is formed by multiple backboard unit spliceds, each backboard unit can be by fixing
Part is connected with wall, therefore, when backboard is transported, the multiple backboard unit packages that can will constitute backboard are less in a size
In packing box, so as to reduce the difficulty of registering one's residence of backboard, while multiple backboard units can be transported to user in batches, so as to subtract
Conveyance weight when small single is transported.And because blooming piece is made by elastomeric material, and blooming piece is used in outer masterpiece
Under it is rollable be arcuate structure, can recover to straightened condition when external force disappears, thus transport blooming piece when, can be by optics
Diaphragm curling is arcuate structure, to reduce the full-size of blooming piece, so as to reduce the difficulty of registering one's residence of blooming piece, is being entered
Straightened condition is restored it into again after entering interior, in order to be connected with backboard.Based on above description, the embodiment of the present invention can subtract
Difficulty of the small hard screen of laser projection when carrying and entering in access customer man, so as to increase the application prospect of hard screen.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the sectional view of embodiment of the present invention laser projection screen upper part；
Fig. 2 is the structural representation of embodiment of the present invention laser projection screen dorsulum；
Fig. 3 is the explosive view of embodiment of the present invention laser projection screen；
Fig. 4 is the sectional view of embodiment of the present invention laser projection screen end portion.
Reference：
1- screen main bodys；11- backboards；111- backboard units；12- blooming pieces；121- diaphragm main bodies；122- hides
Photosphere；2- supporting layers；3- magnet；The magnet of 31- first；311- magnet units；The magnet of 32- second；4- avoids hole；5-
Via；6- stopper sections；7- frames；71- the first side walls；72- second sidewalls；8- two-sided tapes.
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 is described, it is clear that described embodiment is only a part of embodiment of the 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 creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " on ", D score, "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are based on shown in the drawings
Orientation or position relationship, are for only for ease of the description present invention and simplify and describe, rather than indicate or imply signified device or
Element with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
In description of the invention, unless otherwise indicated, " multiple " is meant that two or more.
Referring to Fig. 1, Fig. 1 is a specific embodiment of embodiment of the present invention laser projection screen, the laser of the present embodiment
Projection screen includes screen main body 1, and the screen main body 1 includes backboard 11 and the light being removably connected on the backboard 11
Diaphragm 12 is learned, as shown in Fig. 2 the backboard 11 is spliced by multiple backboard units 111, each described backboard unit 111 is equal
Can be connected with wall by fixture (not shown), the blooming piece 12 is made by elastomeric material, and the optical film
It is arcuate structure that piece 12 is rollable under external force, can be recovered to straightened condition when the external force disappears.
A kind of laser projection screen that the present invention is provided, referring to Fig. 1, because screen main body 1 includes backboard 11 and removable
The blooming piece 12 being connected on backboard 11 is unloaded, therefore when laser projection screen is carried, can be by backboard 11 and blooming piece 12
Transport in batches, and installed again when reaching at user.Referring to Fig. 2, and because backboard 11 is by multiple backboard units 111
It is spliced, each backboard unit 111 can be connected by fixture with wall, therefore, when backboard 11 is transported, will can constitute
Multiple backboard units 111 of backboard 11 are packaged in a less packing box of size, so as to reduce the difficulty of registering one's residence of backboard 11
Degree, while multiple backboard units 111 can be transported to user in batches, so as to reduce conveyance weight when single is transported.And
And because blooming piece 12 is made by elastomeric material, and it is arcuate structure that blooming piece 12 is rollable under external force, outside
Power can be recovered to straightened condition when disappearing, therefore when blooming piece 12 is transported, it is arcuate structure that can crimp blooming piece 12,
To reduce the full-size of blooming piece 12, so as to reduce the difficulty of registering one's residence of blooming piece 12, again by it after getting in
Recover to straightened condition, in order to be connected with backboard 11.Based on above description, it is hard that the embodiment of the present invention can reduce laser projection
Difficulty of the screen when carrying and entering in access customer man, so as to increase the application prospect of hard screen.
In the above-described embodiments, the quantity of the backboard unit 111 included by backboard 11 can be 4,6,8 etc.,
It is not specifically limited herein.Example, as shown in Fig. 2 length and width is 100 cun of backboard 11,4 length can be used
The backboard unit 111 for being 50 cun with width is spliced on wall with the connecting method of 2x2.
In the embodiment shown in fig. 1, backboard unit 111 can be for rectangle, square, triangle etc., herein not
It is specifically limited.But, for the ease of the splicing of backboard unit 111, while reduce the manufacture difficulty of backboard unit 111, preferably
, as shown in Fig. 2 backboard unit 111 is shaped as square structure (can for rectangle or square), the shape of square structure
Simply, manufacture difficulty is relatively low, and splicing is convenient.
In the embodiment shown in fig. 1, in order to realize being detachably connected for blooming piece 12 and backboard 11, blooming piece 12
Can be removably connected on backboard 11 by multiple buckle structures, it is also possible to by multiple magnet attractions on backboard 11,
This is not specifically limited.But, when using above-mentioned the first scheme, link position of the blooming piece 12 on backboard 11 is consolidated
Fixed, so, blooming piece 12 will form plateau bulge or fold after expanded by heating between two neighboring fixed position, from
And cause the flatness of screen to reduce.In order to avoid above mentioned problem, blooming piece 12 is preferably pulled on by backboard 11 by magnet
On, specifically, as shown in figure 1, backboard 11 is made by magnetic material, and backboard 11 is provided with support near the side of blooming piece 12
Layer 2, blooming piece 12 is fixed with magnet 3 on the surface of backboard 11, and the position relative with magnet 3 offers on supporting layer 2
Hole 4 is avoided, magnet 3 is crimped on supporting layer 2 through hole 4 and the adhesive of backboard 11, blooming piece 12 is avoided.Due to blooming piece 12
Only by magnet 3 and the adhesive of backboard 11, magnet 3 can be slided on backboard 11, therefore connection of the blooming piece 12 on backboard 11
Position is not fixed, if therefore during 12 expanded by heating of blooming piece, one can be applied parallel to the place plane of backboard 11 to magnet 3
Thrust, to promote magnet 3 that slight movement is produced on backboard 11, there is plateau bulge or pleat so as to avoid blooming piece 12
Wrinkle phenomenon, it is ensured that the flatness of projection screen.
Wherein, backboard 11 can be made by iron, cobalt, nickel and its alloy material, be not specifically limited herein.But due to iron
It is and cheap and the alloy of iron is the common used material in field of mechanical technique, it is therefore preferable that backboard 11 is by iron or the alloy of iron
Make, with cost-effective, reduce the manufacture difficulty of backboard 11.
In addition, magnet 3 can be list structure, block structure, disk-like structure etc., it is not specifically limited herein.
In the embodiment shown in fig. 1, supporting layer 2 can be made by hard material, it is also possible to by soft elastic material system
Make, be not specifically limited herein.But, when using above-mentioned the first scheme, that is to say, supporting layer 2 is made by hard material,
So, if the edge of backboard unit 111 or wall part out-of-flatness or backboard unit 111 is tilted, supporting layer 2 is influenced whether
Away from the flatness of a side surface of backboard 11, and then have influence on the flatness of blooming piece 12.It is excellent in order to avoid above mentioned problem
Choosing, as shown in figure 1, supporting layer 2 is made by soft elastic material, and thickness of the supporting layer 2 in free state is more than magnet 3
Thickness, so, when blooming piece 12 is crimped on supporting layer 2, the compression of supporting layer 2 and blooming piece 12 is produced
Elastic anchorage force, with balance optical diaphragm 12 to the pressure of supporting layer 2, makes blooming piece 12 be in formation state.Simultaneously as
Supporting layer 2 be soft material, therefore wall part out-of-flatness or backboard unit 111 edge tilt supporting layer 2 can only be leaned on
The flatness on the surface of nearly backboard 11 produces considerable influence, and to influence that supporting layer 2 is produced away from the surface of the side of backboard 11
It is smaller, so as to reduce backboard unit 111 or wall leveling degree is locally bad or the edge of backboard 11 is tilted to blooming piece 12
The influence of flatness.
Wherein, specifically, referring to Fig. 1, supporting layer 2 can be made by materials such as foam, rubber, specific limit is not done herein
It is fixed, but, because the compressibility of foam is good, resilience is high and cheap, it is therefore preferable that supporting layer 2 is made by foam.
In addition, it is necessary to explanation, referring to Fig. 1, in order to ensure the flatness of blooming piece 12, supporting layer 2 is because of compression
The elastic force produced to blooming piece 12 should keep balance to the pressure of supporting layer 2 with blooming piece 12, if supporting layer 2 is to optics
The elastic force of diaphragm 12 to the pressure of supporting layer 2, is then easily caused the surface appearance height of blooming piece 12 more than blooming piece 12
Former bulge, or cause the magnet 3 can not be with the adhesive of backboard 11, if supporting layer 2 is less than optical film to the elastic force of blooming piece 12
Piece 12 can not then form effectively support to the pressure of supporting layer 2 to blooming piece 12, be collapsed so as to be easily caused blooming piece 12
Deformation.Therefore, preferred, thickness of the supporting layer 2 in free state is h1, the thickness of magnet 3 is h2, △ h=h1- h2,
0.3mm≤△ h≤0.5mm, when △ h are less than 0.3mm, the decrement of supporting layer 2 is smaller, and the elastic force of generation is smaller, it is impossible to
Effective support is formed to blooming piece 12；And when △ h are more than 0.5mm, the decrement of supporting layer 2 is larger, the elasticity of generation
Power is larger, and bulge occurs in the surface for being easily caused blooming piece 12, or blooming piece 12 is close on the surface of backboard 11
Magnet 3 can not be effectively pulled on backboard 11.
Because blooming piece usually used in the prior art has one layer of reflecting coating near the surface of backboard, by this
Reflecting coating can the light that sends of reflection laser, it is injected into spectators' eye, therefore reflecting coating is extremely important.Additionally,
Blooming piece of the prior art has following characteristic in itself：Firstth, with light-transmissive, the light in environment is easily by optical film
Piece is injected and through blooming piece near a side surface of backboard, and then injects influence viewing effect in spectators' eye；Secondth, optics
Diaphragm near backboard side reflecting coating it is more fragile, easily scratch, the 3rd, blooming piece when temperature is raised and lowered its
Meeting dilation, produces the possibility of plateau bulge or fold larger.Therefore in order to avoid above mentioned problem, embodiment of the present invention light
Learning diaphragm 12 can be made as structure as shown in Figure 1, i.e. referring to Fig. 1, and blooming piece 12 includes diaphragm main body 121 and sets
The light shield layer 122 of the side of backboard 11 is close in diaphragm main body 121, light shield layer 122 is absorbable to inject its internal light, thus leads to
Crossing light shield layer 122 prevents light in environment to be injected near the side of backboard 11 by diaphragm main body 121 and through diaphragm main body
121 and inject spectators eye in influence viewing effect, so as to improve user experience.Simultaneously as diaphragm main body 121 is usually
Semi-transparent configuration, therefore light shield layer 122 is set near the side of backboard 11 in diaphragm main body 121, user can be prevented by optical film
Piece 12 sees that blooming piece 12 is close to supporting layer, fixture and the magnet of the side of backboard 11 away from the side of backboard 11.And,
Because diaphragm main body 121 is provided with light shield layer 122 near the side of backboard 11, it is provided near the side of backboard 11 on diaphragm main body 121
Reflecting coating (not shown), therefore light shield layer 122 can play a protective role to the reflecting coating on diaphragm main body 121, drop
There is the possibility of scratch in low reflecting coating.Simultaneously as being additionally arranged one layer near the side of backboard 11 in diaphragm main body 121
Light shield layer 122, the change in size produced when can reduce 121 dilation of diaphragm main body by the bonding force inside light shield layer 122.
In the embodiment shown in fig. 1, in order that light shield layer 122 can absorb light, light shield layer 122 should be black, depth
The dark materials such as brown make, and light shield layer 122 can for one side glue, paint, PET film piece, ink for screen printing, etc., do not do herein
It is specific to limit.Wherein, because black one side foam rubber is the common used material in mechanical field, and shading performance is good, scratch resistant performance
More excellent, it is preferred, therefore, that referring to Fig. 1, light shield layer 122 is black one side foam rubber, black one side foam rubber passes through its surface with glue
Diaphragm main body 121 is adhered on the surface of backboard 11, by the cohesive force of black one side foam rubber, diaphragm main body can be reduced
The change in size brought during 121 dilation.
In the embodiment shown in Figure 2, in order to backboard unit 111 is connected on wall, fixture can for screw or
Buckle etc., is not specifically limited herein.But, compared to the scheme being connected to backboard unit 111 using buckle on wall,
The stability being connected to backboard unit 111 using screw when on wall is higher, can effectively prevent backboard unit 111 by wall
On come off.It is therefore preferable that backboard unit 111 is connected on wall by screw, specifically, as shown in Fig. 2 backboard unit
Via 5 is offered on 111, the position relative with via 5 offers screwed hole (not shown) on wall, fixture is spiral shell
Nail, screw is connected through via 5 with screwed hole, and backboard unit 111 is connected on wall, is realized from there through screw
The connection of backboard unit 111 and wall.
Wherein, the quantity of the via 5 for being set on backboard unit 111 can be one or more, be not specifically limited herein.
But, in order to improve backboard unit 111 with connection reliability between the walls, it is preferred that as shown in Fig. 2 on backboard unit 111
Multiple vias 5 are provided with, being each passed through this multiple via 5 by multiple screws is fixed on wall backboard unit 111, it is reliable
Property is higher.
Specifically, when multiple vias 5 are provided with backboard unit 111, multiple vias 5 can uniformly be opened in backboard list
In unit 111, it is also possible to a center for being opened in backboard unit 111, multiple vias 5 are opened in backboard unit 111 in addition
Edge placement, be not specifically limited herein.But, for effective stationary backplate unit 111, while preventing backboard unit 111
Edge tilt, it is preferred that as shown in Fig. 2 via 5 include be opened in the center of backboard unit 111 a via 5, with
And the uniform multiple vias 5 for being opened in the edge placement of backboard unit 111, passed through from there through screw and be opened in backboard unit 111
One via 5 of center, you can the center of backboard unit 111 is fixed on wall, meanwhile, by multiple screws
It is each passed through the multiple vias 5 for being opened in the edge placement of backboard unit 111, you can fix the edge placement of backboard unit 111
In on wall, to realize effective fixation of backboard unit 111, while preventing the edge of backboard unit 111 to tilt.
Example, as shown in Fig. 2 when backboard unit 111 is square, via 5 can include being opened in backboard unit 111
One via 5 of center and four the four of corner vias 5 at the edge of backboard unit 111 are opened in, thus can be by
Backboard unit 111 is effectively fixed on wall, while preventing four turnings at the edge of backboard unit 111 from tilting.
In the embodiment shown in fig. 1, the fixed quantity of magnet 3 on the surface of backboard 11 of blooming piece 12 can be
One or more, are not specifically limited herein.But, in order to improve the connection reliability between blooming piece 12 and backboard 11,
Preferably, as shown in figure 3, blooming piece 12 is fixed with multiple magnet 3 on the surface of backboard 11, will by multiple magnet 3
Blooming piece 12 is fixed on backboard 11, and reliability is higher.
Specifically, when blooming piece 12 is fixed with multiple magnet 3 on the surface of backboard 11, multiple magnet 3 can be with
The uniform blooming piece 12 that is fixed on is on the surface of backboard 11, it is also possible to which a part is fixed on blooming piece 12 near backboard 11
Surface central region in, another part be fixed on blooming piece 12 near backboard 11 surface edge placement, herein not
It is specifically limited.But, in order to blooming piece 12 is effectively fixed on backboard 11, while the side in order to prevent blooming piece 12
Along tilting, it is preferred that as shown in figure 3, magnet 3 includes being arranged at blooming piece 12 in the central region on the surface of backboard 11
The first magnet 31 and be arranged at blooming piece 12 near backboard 11 surface edge placement the second magnet 32, thus
The central region of blooming piece 12 can be fixed on backboard 11 by the first magnet 31, meanwhile, can be by by the second magnet 32
The edge placement of optical film diaphragm is fixed on backboard 11, and blooming piece 12 is effectively fixed on backboard 11, while preventing
The edge of blooming piece 12 is tilted.
Wherein, preferably the second magnet 32 is multiple, and multiple second magnet 32 are close to the table of backboard 11 around blooming piece 12
The edge in face is uniformly arranged for one week, is tilted within one week with the edge for preventing blooming piece 12.
In the embodiment shown in fig. 3, in order to the edge for effectively preventing blooming piece 12 is tilted, while in order to reduce magnet
3 region area that is sticked, it is preferred that the second magnet 32 is with blooming piece 12 near the distance between edge on surface of backboard 11
L is 5mm~10mm, and the second magnet 32 is with blooming piece 12 near the distance between edge on surface of backboard 11 in this scope
It is interior, you can effectively to prevent the edge of blooming piece 12 from tilting, while reducing the region area that is sticked of magnet such that it is able to reduce
The quantity of be sticked magnet 3.And when the second magnet 32 with blooming piece 12 near the distance between edge on surface of backboard 11
During less than 5mm, the second magnet 32 is with blooming piece 12 near the distance between the edge on surface of backboard 11 smaller, blooming piece
12 region that is sticked of magnet 3 on the surface of backboards 11 is larger, on the premise of the density of same magnet 3 is reached, required setting
The quantity of magnet 3 it is more, it is relatively costly；And when the second magnet 32 and blooming piece 12 are between the edge on the surface of backboard 11
Distance when being more than 10mm, the distance between edge on surface of the close backboard 11 of the second magnet 32 and blooming piece 12 is larger,
The edge of blooming piece 12 is easily tilted without intensity.
In order to improve the connective stability between the central region of blooming piece 12 and backboard 11, it is preferred that the first magnet
31 is multiple, and along the short transverse of blooming piece 12 is uniform and interval setting, thus blooming piece 12 leads to multiple first magnet 31
Multiple first magnet 31 and the adhesive of backboard 11 are crossed, so as to improve the connection between the central region of blooming piece 12 and backboard 11
Stability.
Wherein, the first magnet 31 can be the bar shaped entirety extended along the width of blooming piece 12, it is also possible to
Including multiple along the spaced unit of magnet 3 of width of blooming piece 12, it is not specifically limited herein.But, due to
The quality of blooming piece 12 less, therefore is fixed without completing it by too strong magnetic force with the absorption of backboard 11, therefore in order to
The cost of reduction system, without using large area magnet 3, meanwhile, in order to control the absorption between blooming piece 12 and backboard 11
Power, enables blooming piece 12 to promote magnet 3 that displacement is smoothly produced on backboard 11 in expanded by heating, without using big face
Product magnet 3.It is preferred, therefore, that the first magnet 31 includes multiple magnet units 311, multiple magnet units 311 are along blooming piece 12
Width is uniform and interval setting.Thus, the absorption affinity between the first magnet 31 and backboard 11 can be reduced, enables magnet 3
It is enough smoothly to be slid on backboard 11, to avoid producing plateau bulge or fold on blooming piece 12, while first can be reduced
The materials cost of magnet 31.
In order to avoid blooming piece 12 drops downwards under external force, it is preferred that as shown in figure 4, the backboard 11
Lower edge is formed with stopper section 6, and the stopper section 6 is used to prevent the slide downward of blooming piece 12, to prevent blooming piece 12 from existing
Dropped downwards under external force effect, so as to improve the reliability connected between blooming piece 12 and backboard 11.
, wherein it is desired to explanation, the lower edge of backboard 11 is the lower edge when backboard 11 is fixed on wall.
In addition, as shown in figure 4, stopper section 6 can be formed by the bottom fold of backboard 11, now, forming the folding of this stopper section 6
Bight portion can play a part of bottom frame.
In order to block and decorating the edge one week of screen main body 1, as illustrated in figure 1 or 4, also including being coated on screen main body
The 1 edge frame of a week 7, frame 7 includes the first side wall 71 and the second sidewall 72 vertical with the first side wall, the first side wall 71
Edge of the blooming piece 12 away from the surface of backboard 11 is bonded in, second sidewall 72 is blocked in the side of blooming piece 12 and backboard 11
On wall, the edge of screen main body 1 is decorated and blocked from there through frame 7 one week.Due to blooming piece in the embodiment of the present invention
12 have passed through magnet 3 is effectively adsorbed on backboard 11, therefore need not pass through the edge and backboard of the clamping optical diaphragm 12 of frame 7
The connection between blooming piece 12 and backboard 11 is realized at 11 edge, frame 7 only as decorating and blocking use, thus the first side
The width of wall 71 can be made it is very narrow, to realize narrow frame design.
Wherein, the first side wall 71 can be adhered to light by two-sided tape 8, solid gum, glue etc. as illustrated in figure 1 or 4
Diaphragm 12 is learned away from the edge on the surface of backboard 11, is not specifically limited herein.
In addition, frame 7 can be made by materials such as plastics or aluminium section bars, it is not specifically limited herein.
In the description of this specification, specific features, structure, material or feature can be in one or more any realities
Apply and combine in an appropriate manner in example or example.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (14)
1. a kind of laser projection screen, it is characterised in that including screen main body, the screen main body includes backboard and detachable
The blooming piece on the backboard is connected to, the backboard is formed by multiple backboard unit spliceds, each described backboard unit is equal
Can be connected with wall by fixture, the blooming piece is made by elastomeric material, and the blooming piece is under external force
Rollable is arcuate structure, can be recovered to straightened condition when the external force disappears.
2. laser projection screen according to claim 1, it is characterised in that the backboard is made by magnetic material, and institute
State backboard and be provided with supporting layer near the side of the blooming piece, the blooming piece is fixed with the surface of the backboard
Magnet, the position relative with the magnet offers avoidance hole on the supporting layer, and the magnet passes through the avoidance hole and institute
Backboard adhesive is stated, the blooming piece is crimped on the supporting layer.
3. laser projection screen according to claim 2, it is characterised in that the supporting layer is by soft elastic material system
Make, and thickness of the supporting layer in free state is more than the thickness of the magnet.
4. laser projection screen according to claim 3, it is characterised in that thickness of the supporting layer in free state
It is h1, the thickness of the magnet is h2, △ h=h1- h2, 0.3mm≤△ h≤0.5mm.
5. laser projection screen according to claim 1, it is characterised in that the blooming piece include diaphragm main body and
Light shield layer of the diaphragm main body near the backboard side is arranged at, the light shield layer can absorb injects its internal light.
6. laser projection screen according to claim 1, it is characterised in that the light shield layer is black one side foam rubber,
The black one side foam rubber is adhered to the diaphragm main body and is close on the surface of the backboard by its surface with glue.
7. laser projection screen according to claim 1, it is characterised in that offer via on the backboard unit, institute
State position relative with the via on wall and offer screwed hole, the fixture is screw, and the screw passes through the mistake
Hole is connected with the screwed hole, and the backboard unit is connected on the wall.
8. laser projection screen according to claim 7, it is characterised in that the via includes being opened in the backboard list
One via of first center and uniformly it is opened in multiple vias of the backboard unit edge placement.
9. laser projection screen according to claim 1, it is characterised in that the magnet includes being arranged at the optical film
The first magnet and be arranged at the blooming piece near the backboard that piece is close in the central region on the surface of the backboard
Surface edge placement the second magnet.
10. laser projection screen according to claim 9, it is characterised in that second magnet and the blooming piece
The distance between the edge on surface near backboard L is 5mm~10mm.
11. laser projection screens according to claim 9, it is characterised in that first magnet is multiple, it is multiple described
First magnet is along the short transverse of the blooming piece is uniform and interval setting.
12. laser projection screen according to claim 9 or 11, it is characterised in that first magnet includes multiple magnetic
Iron unit, multiple magnet units are along the width of the blooming piece is uniform and interval setting.
13. laser projection screens according to claim 1, it is characterised in that the lower edge of the backboard is formed with backstop
Portion, the stopper section is used to prevent the blooming piece slide downward.
14. laser projection screens according to claim 1, it is characterised in that also including being coated on the screen body edge
Along the frame of a week, the frame included the first side wall and the second sidewall vertical with the first side wall, first side
Wall is bonded in edge of the blooming piece away from the surface of the backboard, the second sidewall block in the blooming piece and
On the side wall of the backboard.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710279245.6A CN106842797B (en) | 2017-04-25 | 2017-04-25 | A kind of laser projection screen |
| PCT/CN2017/114845 WO2018196386A1 (en) | 2017-04-25 | 2017-12-06 | Laser projection screen and projection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279245.6A CN106842797B (en) | 2017-04-25 | 2017-04-25 | A kind of laser projection screen |
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| CN106842797A true CN106842797A (en) | 2017-06-13 |
| CN106842797B CN106842797B (en) | 2019-04-23 |
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| CN201710279245.6A Active CN106842797B (en) | 2017-04-25 | 2017-04-25 | A kind of laser projection screen |
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| WO (1) | WO2018196386A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107544203A (en) * | 2017-09-30 | 2018-01-05 | 青岛海信电器股份有限公司 | Projection display screen and projection display system |
| CN107725994A (en) * | 2017-11-17 | 2018-02-23 | 青岛海信激光显示股份有限公司 | The installation and adjustment component and projection screen of a kind of projection screen |
| CN108549189A (en) * | 2018-06-28 | 2018-09-18 | 成都菲斯特科技有限公司 | A kind of orthographic projection optical screen and projection display system |
| CN108628081A (en) * | 2018-06-28 | 2018-10-09 | 成都菲斯特科技有限公司 | Orthographic projection optical screen and installation method |
| WO2018196386A1 (en) * | 2017-04-25 | 2018-11-01 | 青岛海信电器股份有限公司 | Laser projection screen and projection system |
| CN111050098A (en) * | 2018-10-12 | 2020-04-21 | 青岛海尔多媒体有限公司 | Laser television |
| CN111338172A (en) * | 2018-12-19 | 2020-06-26 | 青岛海信激光显示股份有限公司 | Projection screen |
| CN113741133A (en) * | 2021-09-27 | 2021-12-03 | 青岛海信激光显示股份有限公司 | Projection screen and projection arrangement can curl |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113376935B (en) * | 2020-02-25 | 2022-08-02 | 青岛海信激光显示股份有限公司 | Laser projection device |
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| WO2018196386A1 (en) * | 2017-04-25 | 2018-11-01 | 青岛海信电器股份有限公司 | Laser projection screen and projection system |
| CN107544203A (en) * | 2017-09-30 | 2018-01-05 | 青岛海信电器股份有限公司 | Projection display screen and projection display system |
| CN107725994A (en) * | 2017-11-17 | 2018-02-23 | 青岛海信激光显示股份有限公司 | The installation and adjustment component and projection screen of a kind of projection screen |
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| CN108628081A (en) * | 2018-06-28 | 2018-10-09 | 成都菲斯特科技有限公司 | Orthographic projection optical screen and installation method |
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| CN111338172A (en) * | 2018-12-19 | 2020-06-26 | 青岛海信激光显示股份有限公司 | Projection screen |
| CN111338172B (en) * | 2018-12-19 | 2022-09-13 | 青岛海信激光显示股份有限公司 | Projection screen |
| CN113741133A (en) * | 2021-09-27 | 2021-12-03 | 青岛海信激光显示股份有限公司 | Projection screen and projection arrangement can curl |
| CN113741133B (en) * | 2021-09-27 | 2023-02-24 | 青岛海信激光显示股份有限公司 | Projection screen and projection arrangement can curl |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106842797B (en) | 2019-04-23 |
| WO2018196386A1 (en) | 2018-11-01 |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE ELECTRIC Co.,Ltd. |
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