CN107544203A - Projection display screen and projection display system - Google Patents

Projection display screen and projection display system Download PDF

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Publication number
CN107544203A
CN107544203A CN201710915337.9A CN201710915337A CN107544203A CN 107544203 A CN107544203 A CN 107544203A CN 201710915337 A CN201710915337 A CN 201710915337A CN 107544203 A CN107544203 A CN 107544203A
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CN
China
Prior art keywords
projection display
display screen
optics
mask
board structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710915337.9A
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Chinese (zh)
Inventor
李建军
杨长明
张王军
鲁文生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Hisense Electronics Co Ltd
Original Assignee
Qingdao Hisense Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Hisense Electronics Co Ltd filed Critical Qingdao Hisense Electronics Co Ltd
Priority to CN201710915337.9A priority Critical patent/CN107544203A/en
Publication of CN107544203A publication Critical patent/CN107544203A/en
Pending legal-status Critical Current

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Abstract

The present invention proposes a kind of projection display screen, belongs to projection display technique field.The projection display screen includes:Optics mask;Back board structure, the back board structure and the optics mask face;Magnetic stripe, between the optics mask and the back board structure, the magnetic stripe and the back board structure magnetic attracting, and be connected by two-sided foam rubber with the optics mask.The present invention can make projection display screen have good flatness, avoid the occurrence of the bad phenomenons such as distortion, displacement, bending, projection, depression, bulge, improve the viewing effect of user;Meanwhile the thickness of projection display screen can be reduced, realize the ultra-thin demand of user.

Description

Projection display screen and projection display system
Technical field
The disclosure belongs to projection display technique field, in particular to a kind of projection display screen and Projection Display system System.
Background technology
At present, the optics mask commercially used is broadly divided into hard curtain and supporting part.Supporting part fixed form uses to be main There is the object of stretching elasticity curtain is formed a plane and be fixed on the framework of surrounding for spring, elastic threads etc..The fixation of hard curtain Mode is mainly using optics mask is sticked with glue on rigid objects (such as honeycomb aluminum plate, aluminium-plastic panel, steel plate) surface, then It is used to cover and decorate in rigid objects surrounding assembling frame.Projection products have higher to the flatness of screen, anti-light performance etc. Requirement, due to the anti-light poor performance of supporting part itself, and its fixed form causes it to be extremely difficult to flatness requirement;And hard curtain because There is Fresnel lens structure inside, and the ability of its environment resistant light is strong, and the rigidity of hard curtain is preferably, there is certain non-deformability, Using rational fixed form, the requirement of projection products disclosure satisfy that.So the projection products of present main flow, such as laser movie theatre The product high to screen request typically all uses hard curtain as its optics mask.
The hard mask of Fresnel optics that projection products use in correlation technique, needed before use to Fresnel optics optics Mask carries out permeation-proof light processing, usually using method is handled using a face one side foam rubber, then mainly using two-sided The stickum such as foam rubber or glue bonds together it with rigid back, realizes the fixation to optics mask, surrounding is again The decorations such as upper side frame are assembled, just form a finished product screen.Easily there is concavo-convex, drum in low pressure area in this fixed form Phenomena such as bag, make projection display screen out-of-flatness, influence viewing effect, while the use of two layers of foam rubber, make projection display screen Curtain adds the thickness of projection display screen, to realizing that projection display screen ultrathin has restricted.
Therefore, it is necessary to study a kind of projection display screen, and then reduce projection display screen and occur in low pressure area Phenomena such as bumps, bulge, the flatness of projection display screen is improved, so as to improve viewing effect.
It should be noted that the information in the invention of above-mentioned background section is only used for strengthening the reason to background of the invention Solution, therefore can include not forming the information to prior art known to persons of ordinary skill in the art.
The content of the invention
It is an object of the invention to provide a kind of projection display screen, and then at least overcome to a certain extent due to correlation One or more problem caused by the limitation of technology and defect.
For achieving the above object, the present invention adopts the following technical scheme that:
According to an aspect of the present invention, there is provided a kind of projection display screen, including:
Optics mask;
Back board structure, the back board structure and the optics mask face;
Magnetic stripe, between the optics mask and the back board structure, the magnetic stripe is inhaled with the back board structure magnetic Close, and be connected by two-sided foam rubber with the optics mask.
In a kind of exemplary embodiment of the disclosure, the back board structure includes:
Thistle board;
Two pieces of sandwich panels, thistle board described in clamping and at least one sandwich panel can be with magnetic stripe magnetic attractings.
In a kind of exemplary embodiment of the disclosure, the thickness of the back board structure is 2mm~6mm, wherein, the folder The thickness of plywood is 0.25mm~0.6mm.
In a kind of exemplary embodiment of the disclosure, the back board structure includes:
Can be with the rigid plate of magnetic stripe magnetic attracting.
In a kind of exemplary embodiment of the disclosure, the magnetic stripe is more, and institute is sticked to by the two-sided foam rubber State multiple regions of optics mask.
In a kind of exemplary embodiment of the disclosure, the width of the two-sided foam rubber is 20mm~80mm, the magnetic The thickness of bar is 0.5mm~2mm, and width is 5mm~60mm.
In a kind of exemplary embodiment of the disclosure, the optics mask includes reflector layer, and projection display screen is also wrapped Include:
Protective layer, it is covered on the optics mask, and between the optics mask and the two-sided foam rubber.
In a kind of exemplary embodiment of the disclosure, the protective layer is formed by ink silk screen printing technique.
In a kind of exemplary embodiment of the disclosure, the thickness of the protective layer formed by ink silk screen printing technique Spend for 10 μm~100 μm.
In a kind of exemplary embodiment of the disclosure, the protective layer includes one side foam rubber, poly terephthalic acid second One or more in diol ester diaphragm, skin of paint and ink for screen printing layer.
In a kind of exemplary embodiment of the disclosure, the thickness of the optics mask is 30 μm~40 μm.
In a kind of exemplary embodiment of the disclosure, in addition to:
Border component, it is fixed on the edge of the optics mask and the back board structure.
According to an aspect of this disclosure, there is provided a kind of projection display system, including projected described in above-mentioned any one aobvious Display screen curtain.
The present invention provides a kind of projection display screen, including:Optics mask;Back board structure, the back board structure with it is described Optics mask face;Magnetic stripe, between the optics mask and the back board structure, the magnetic stripe and the back board structure magnetic Property adhesive, and be connected by two-sided foam rubber with the optics mask.The design of the structure can be such that optics mask has well Flatness, the bad phenomenons such as distortion, displacement, bending, projection, depression, bulge are avoided the occurrence of, improve viewing effect.Further Ground, after back board structure effectively reduces the overall weight and packaging of optical screen using the design of two sandwich panel clamping lightweight harden structures Volume, can greatly improve laser television screen installation effectiveness, reduce worker labor intensity and projection display screen system The advantages that making cost, while ultra-thin, ultra-narrow frame can be accomplished;Further, silk is carried out to the optics mask back side using ink Print PROCESS FOR TREATMENT, the coating at the protection optics mask back side, while cover optics mask backside structure, can greatly reduce material into This, reduces processing procedure and wastes.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not Can the limitation present invention.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention Example, and for explaining principle of the invention together with specification.It should be evident that drawings in the following description are only the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis These accompanying drawings obtain other accompanying drawings.
Fig. 1 shows the structural representation of projection display screen in exemplary embodiment of the present.
Fig. 2 shows the paste position schematic diagram of two-sided foam rubber in exemplary embodiment of the present.
Fig. 3 shows the structural representation of exemplary embodiment of the present dorsulum.
Fig. 4 shows the structural representation of optics mask in exemplary embodiment of the present.
Fig. 5 shows the structural representation of projection display screen border component in exemplary embodiment of the present.
Fig. 6 shows the decomposition texture schematic diagram of projection display screen in exemplary embodiment of the present.
Wherein reference is:1- optics masks;2- back board structures;3- magnetic stripes;The two-sided foam rubbers of 4-;5- sandwich panels;6- Thistle board;7- reflector layers;8- protective layers;9- border components;10- frameworks;11- screws.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be real in a variety of forms Apply, and be not understood as limited to example set forth herein;On the contrary, these embodiments are provided so that the present invention will more comprehensively and Completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical reference represents in figure Same or similar structure, thus their detailed description will be omitted.
Although the term of relativity, such as " on " " under " is used to describe icon component for another in this specification The relativeness of one component, but these terms are used in this specification merely for convenient, for example, with reference to the accompanying drawings described in show The direction of example.Be appreciated that, if making it turn upside down the upset of the device of icon, describe " on " component will As " under " component.The term of other relativities, such as " height " " low " " top " " bottom " " left side " " right side " etc. are also made with similar Implication.When certain structure other structures " on " when, it is possible to refer to that certain structural integrity is formed in other structures, or refer to certain structure " direct " is arranged in other structures, or is referred to certain structure and be arranged on by another structure " indirect " in other structures.
Term "one", " one ", " described " to represent to exist one or more elements/part/etc.;Term " bag Include " and " having " to represent it is open be included look like and refer to that the key element except listing/part/waits it It is outer also may be present other key element/part/etc..
Fig. 1 shows the structural representation of projection display screen in exemplary embodiment of the present;Fig. 2 shows example of the present invention The paste position schematic diagram of two-sided foam rubber in property embodiment;Fig. 3 shows that the structure of exemplary embodiment of the present dorsulum is shown It is intended to;Fig. 4 shows the structural representation of optics mask in exemplary embodiment of the present;Fig. 5 shows the exemplary implementation of the present invention The structural representation of projection display screen border component in example;Fig. 6 shows projection display screen in exemplary embodiment of the present Decomposition texture schematic diagram.
A kind of structure of projection display screen, shown in reference picture 1, the Projection Display are provide firstly in this example embodiment Screen can include optics mask 1;Back board structure 2, the back board structure and the optics mask face;Magnetic stripe 3, located at described Between optics mask and the back board structure, the magnetic stripe and the back board structure magnetic attracting, and by two-sided foam rubber 4 with The optics mask connection.
In this example embodiment, magnetic stripe is fixed on optics mask by two-sided foam rubber, and back board structure faces magnetic stripe One side and magnetic stripe magnetic attracting, the design of the structure can make optics mask have good flatness, avoid the occurrence of distortion, move The bad phenomenon such as position, bending, projection, depression, bulge, improves viewing effect.Further, back board structure uses two sandwich panels The design of clamping lightweight harden structure effectively reduces the volume after the overall weight and packaging of optical screen, can greatly improve laser electricity Screen curtain installation effectiveness, reduce worker labor intensity and projection display screen cost of manufacture, while can accomplish it is ultra-thin, The advantages that ultra-narrow frame;Further, silk screen printing process processing, the protection optics mask back of the body are carried out to the optics mask back side using ink The coating in face, while optics mask backside structure is covered, material cost can be greatly reduced, processing procedure is reduced and wastes.
In this example embodiment, using the hard mask of Fresnel optics as optics mask.The anti-ring of the hard mask of Fresnel optics The ability of border light is strong, and the rigidity of hard curtain is preferably, has certain non-deformability, using rational fixed form, Neng Gouman The requirement of sufficient projection products, so the projection products of main flow now, as the product high to screen request such as laser movie theatre all Its optics mask is used as using hard curtain.
Prior art completes the hard mask of Fresnel optics by the way of the two-sided foam rubber in whole face is bonded with honeycomb aluminum plate The processing of optics mask, due to the hard mask material characteristic of Fresnel optics, meeting dilation, expansion when temperature raises and reduces Rate is 3/1000ths, and whole face bonding can bring the distortion of optics mask, displacement, bending etc., influences to project the quality of image quality.Meanwhile Two-sided foam rubber mode is pasted using tradition, the bad phenomenons such as bulge are also easy to produce in low pressure area.
In this example embodiment, optics mask is fixed on back board structure by way of magnetic attracting, by taking magnetic stripe as an example, The thickness of magnetic stripe can choose 0.5mm~2mm, and width range can choose 5mm~60mm, and the present embodiment chooses thick money specification and is 1mm × 50mm magnetic stripe, but be not limited.While can ensureing good adsorption power using such a magnetic stripe, reduction is had concurrently again The advantages of screen thickness, optics mask is pull-in on back board structure by magnetic stripe, can make optics mask that there is well smooth Degree, avoids the occurrence of the bad phenomenons such as distortion, displacement, bending, projection, depression, bulge, improves viewing effect.
In this example embodiment, optics mask and magnetic stripe are linked as entirety by the way of bonding.Specifically, Ke Yi Multiple regions at the optics mask back side, such as surrounding and intermediate region, two-sided foam rubber is pasted, then magnetic stripe is sticked into two-sided foam On glue.Shown in reference picture 2, two-sided foam rubber radical can be 4~10, width can be 20mm~80mm, but not as Limit;In fig. 2, two-sided foam rubber Pasting avoids optics curtain in the hard mask surrounding of Fresnel optics and middle third subregion There is unbalance stress phenomenon in piece.Certainly, magnetic stripe can be also fixed on optics mask using other manner, such as the optics mask back of the body Mask is magnetic or can be fixed on magnetic, magnetic stripe by way of magnetic attracting on optics mask.Magnetic stripe is fixed on light The mode for learning mask has a variety of, is not limited thereto.
Further, back board structure can include two pieces of sandwich panels 5 and thistle board 6, two pieces of clamping thistle boards 6 of sandwich panel 5, At least one piece of sandwich panel can with magnetic stripe magnetic attracting, with reference to shown in figure 3.
In this example embodiment, back board structure is by taking whole face steel-plastic plate as an example, by the intrinsic magnetic characteristic of magnetic stripe, steel modeling Plate directly can adsorb fixation with it.Steel-plastic plate has good rigidity and intensity, and its main function is when optics mask is hung Afterwards, optics mask surface can be made to keep good flatness, optics mask is not in waveform, convex, and spill etc. is bad Phenomenon.For the steel-plastic plate that this programme is selected by two layers of sheet metal and plastics extrusion forming, sheet metal thickness is 0.25~0.6mm, By taking 72 cun of screens as an example, from for 0.35mm sheet metals.Between 2mm to 6mm, thickness is different to close other steel-plastic plate optimal thickness It is the weight of rigidity to steel-plastic plate and full screen.By taking 72 cun of screens as an example, from 1558mm × 885mm × 4mm steel Mould plate.From steel-plastic plate as back board structure, it can greatly mitigate the weight of projection display screen, improve Product transport and carrying To the convenience at family.Certainly, lightweight version can also use aluminium-plastic panel or aluminum honeycomb panel, while paste sheet metal in lightweight version, The magnetic stripe effect fixed with sheet material absorption can also be realized, is not limited thereto.In addition, in other exemplary implementations of the disclosure In example, back board structure can also be that other can be with the rigid plate of magnetic stripe magnetic attracting, such as individual layer steel plate structure, and this is also belonged to The protection domain of the disclosure.
Further, optics mask can include reflector layer 7 and protective layer 8, and reflector layer 7, can be with optics mask 1 The back side of optics mask is located at, the inside of optics mask can be also provided in.With reference to shown in figure 4, protective layer 8 is located at the back of the body of optics mask Face, and positioned at optics mask and the centre of two-sided foam rubber.
Easily scratched because the hard mask back side reflector layer of Fresnel optics is more fragile, to protect the hard mask of Fresnel optics The reflector layer at the back side prevents it to be scratched, and this example embodiment uses ink for screen printing direct-to-plate, by printing ink transfer to optics Protective layer 8 is formed on the reflector layer of mask.The back side of optics mask, shieldable protective layer are protected by the way of ink for screen printing Structure, material cost is greatly reduced, reduce processing procedure and waste, reduce the integral thickness of screen, and ink is fixed with optics mask Intensity is good, difficult for drop-off.Silk-screen thickness can be 10~100 μm, can specifically be allocated according to optics mask transparency;With this Exemplified by the hard mask of Fresnel optics that scheme uses, silk-screen thickness can be 30~40 μm.In other exemplary realities of the disclosure To apply in example, protective layer, which can also use, to be pasted one side glue, spray black or dark colour paint, pastes overlay film, pastes the modes such as PET, This is not construed as limiting.
Further, projection display screen can also include border component 9;With reference to shown in figure 5, the border component 9 includes Framework 10 and screw 11, framework 10 are fixed on the edge of optics mask 1 and back board structure 2 by screw 11, and screw 11 is fixed on Second face of back board structure.
In this exemplary embodiment, frame uses U-shape structure, is fixed on the surrounding of projection display screen, is carried on the back for increasing Plate intensity, prevent backboard flexural deformation.Protection and decoration function are played to the edge of projection display screen simultaneously.The fixation of frame Mode can use mode, this programme such as clip, gluing, magnetic to fix frame using clip and by the way of being connected through a screw thread On back board structure, because steel-plastic plate can not tapping, screw need to use tapping screw, certainly, the shape of frame and the fixation of frame Mode can use usual manner, be not limited thereto.
Fig. 6 is the decomposition texture schematic diagram of projection display screen in a kind of example embodiment of the present invention.As seen from the figure, optics Two-sided foam rubber is pasted with mask, magnetic stripe is sticked on optics mask by two-sided foam rubber, and steel-plastic plate passes through magnetic attracting Mode is pulled together with optics mask, and frame is added at the edge of projection display screen, by screw fixation method by frame It is fixed on steel-plastic plate.
This programme can effectively solve the problems, such as that optics mask expands corrugation, optics mask is had good flatness, avoid There are the bad phenomenons such as distortion, displacement, bending, projection, depression, bulge, and can effectively reduce the entirety of projection display screen Volume after weight and packaging, laser television screen installation effectiveness can be greatly improved, reduce the labor intensity and screen of worker Cost of manufacture, while the advantages that ultra-thin, ultra-narrow frame can be accomplished.
It should be appreciated that the present invention is not limited in its application to the detailed construction and arrangement of the part of this specification proposition Mode.The present invention can have other embodiment, and can realize and perform in many ways.Aforesaid deformation form and Modification is fallen within the scope of the present invention.It should be appreciated that this disclosure and the present invention limited are extended in text And/or mentioned in accompanying drawing or all alternative combinations of two or more obvious independent features.It is all these different Combination forms multiple alternative aspects of the present invention.Embodiment described in this specification illustrates to become known for realizing the present invention Best mode, and will enable those skilled in the art using the present invention.

Claims (13)

  1. A kind of 1. projection display screen, it is characterised in that including:
    Optics mask;
    Back board structure, the back board structure and the optics mask face;
    Magnetic stripe, between the optics mask and the back board structure, the magnetic stripe and the back board structure magnetic attracting, and It is connected by two-sided foam rubber with the optics mask.
  2. 2. projection display screen according to claim 1, it is characterised in that the back board structure includes:
    Thistle board;
    Two pieces of sandwich panels, thistle board described in clamping and at least one sandwich panel can be with magnetic stripe magnetic attractings.
  3. 3. projection display screen according to claim 2, it is characterised in that the thickness of the back board structure be 2mm~ 6mm, wherein, the thickness of the sandwich panel is 0.25mm~0.6mm.
  4. 4. projection display screen according to claim 1, it is characterised in that the back board structure includes:
    Can be with the rigid plate of magnetic stripe magnetic attracting.
  5. 5. projection display screen according to claim 1, it is characterised in that the magnetic stripe is more, by described two-sided Foam is glued to multiple regions of the optics mask.
  6. 6. projection display screen according to claim 5, it is characterised in that the width of the two-sided foam rubber be 20mm~ 80mm, the thickness of the magnetic stripe is 0.5mm~2mm, and width is 5mm~60mm.
  7. 7. projection display screen according to claim 1, it is characterised in that the optics mask includes reflector layer, projection Display screen also includes:
    Protective layer, it is covered on the optics mask, and between the optics mask and the two-sided foam rubber.
  8. 8. projection display screen according to claim 7, it is characterised in that the protective layer passes through ink silk screen printing technique shape Into.
  9. 9. projection display screen according to claim 8, it is characterised in that the institute formed by ink silk screen printing technique The thickness for stating protective layer is 10 μm~100 μm.
  10. 10. projection display screen according to claim 7, it is characterised in that the protective layer includes one side foam rubber, gathered One or more in ethylene glycol terephthalate diaphragm, skin of paint and ink for screen printing layer.
  11. 11. projection display screen according to claim 1, it is characterised in that the thickness of the optics mask be 30 μm~ 40μm。
  12. 12. according to the projection display screen described in any one of claim 1~11, it is characterised in that also include:
    Border component, it is fixed on the edge of the optics mask and the back board structure.
  13. 13. a kind of projection display system, it is characterised in that including any one of claim 1~12 projection display screen.
CN201710915337.9A 2017-09-30 2017-09-30 Projection display screen and projection display system Pending CN107544203A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201710915337.9A CN107544203A (en) 2017-09-30 2017-09-30 Projection display screen and projection display system

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Publication Number Publication Date
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN109831633A (en) * 2019-03-11 2019-05-31 四川长虹电器股份有限公司 A kind of ultra-thin laser television optical screen structure
CN113219777A (en) * 2020-01-17 2021-08-06 青岛海信激光显示股份有限公司 Projection device
CN113960872A (en) * 2020-07-20 2022-01-21 青岛海信激光显示股份有限公司 Projection screen and laser projection system

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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
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CN109831633A (en) * 2019-03-11 2019-05-31 四川长虹电器股份有限公司 A kind of ultra-thin laser television optical screen structure
CN113219777A (en) * 2020-01-17 2021-08-06 青岛海信激光显示股份有限公司 Projection device
CN113960872A (en) * 2020-07-20 2022-01-21 青岛海信激光显示股份有限公司 Projection screen and laser projection system
CN113960872B (en) * 2020-07-20 2023-10-24 青岛海信激光显示股份有限公司 Projection screen and laser projection system

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Address after: 266000, No. 218, Bay Road, Qingdao economic and Technological Development Zone, Shandong

Applicant after: Hisense Video Technology Co., Ltd

Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218

Applicant before: HISENSE ELECTRIC Co.,Ltd.

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Application publication date: 20180105

RJ01 Rejection of invention patent application after publication