CN108319099A - A kind of small vibrating device for eliminating speckle applied to laser light source projection screen - Google Patents
A kind of small vibrating device for eliminating speckle applied to laser light source projection screen Download PDFInfo
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- CN108319099A CN108319099A CN201810194960.4A CN201810194960A CN108319099A CN 108319099 A CN108319099 A CN 108319099A CN 201810194960 A CN201810194960 A CN 201810194960A CN 108319099 A CN108319099 A CN 108319099A
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- China
- Prior art keywords
- screen
- vibration source
- vibration
- vibrating device
- layer
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Classifications
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/48—Laser speckle optics
Abstract
The present invention discloses a kind of small vibrating device for eliminating speckle applied to laser light source projection screen, including screen, the back side of screen is evenly distributed with the vibrating device body for eliminating laser speckle, vibrating device body is in lattice arrangement, and vibrating device body is filled the post of using non-illiteracy patch vibrational structure or illiteracy patch vibrational structure.Reduce its manufacturing cost, improve the efficiency that laser speckle is eliminated, the demand that laser shows speckle is eliminated to small breadth screen in order to adapt to home theater and private shadow simultaneously, it is easily installed, it will not damage during the installation process to the surface of screen, practical performance is excellent, novel in design, it is a kind of good innovation scheme, is very promising for marketing..
Description
Technical field
The present invention relates to laser light source projection screen technical fields, are specifically used for a kind of applied to laser light source projection screen
Eliminate the small vibrating device of speckle.
Background technology
With the development of motion picture technique, cinematographic projector is shown by the number of past film projection till now, and
Nowadays the laser light source also extensive use in motion picture projection, and with its remarkable color rendition degree, vividness and brightness adjustability
Motion picture projection market is gradually captured with industrial advantages such as hi-vision resolutions, and brings completely new viewing to experience to spectators.
But due to limitation of the laser projector in technical conditions at this stage so that laser is after screen surface projection reflects
The interference of light is caused, to form the graininess glare spot of random distribution, i.e. laser speckle.The speckle can greatly influence
Picture effect reduces film viewing experience.
The method for eliminating laser speckle at present mainly has technical method as described below：
1, laser projector technology is upgraded, such as the application of 3P, 6P laser projector and fluorescent powder laser projector.
2, so that screen is generated vibration to interfere the formation of laser speckle, have at present and the side of vibration is transmitted using taut curtain pipe
Formula makes screen vibrate, such as utility model patent：A kind of laser projection speckle elimination oscillatory type screen structure, the patent No.：ZL
201520824425.4, vibration source also is provided using magnetic force induction or using air agitation, to reach with certain frequency
The effect of laser speckle is eliminated in amplitude vibrations screen.
The equipment manufacturing costs of above method are higher, are only applicable to movie theatre large size screen；And it is not easy effectively to control screen and shake
Dynamic state, screen vibration, which is transmitted, energy loss, can influence the whole eradicating efficacy of laser speckle, and may be in vibrating device
Installation process in certain damage is generated to screen, and screen is the product very high to appearance surface requirements, direct shadow of damaging
The effect for ringing viewing cannot meet the needs of social development so there is deficiencies for above scheme.
In conclusion in view of the drawbacks of the prior art, it is accordingly required in particular to which one kind being applied to laser light source projection screen elimination and dissipates
The small vibrating device of spot, so as to solve the deficiencies in the prior art.
Invention content
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that the present invention proposes that one kind is answered
The small vibrating device of speckle is eliminated for laser light source projection screen, it is novel in design, while reducing production cost, is promoted and swashed
The efficiency that light speckle is eliminated, and screen will not be damaged in installing, practical performance is excellent, has solved the defect of the prior art.
To achieve the goals above, technical scheme is as follows：
A kind of small vibrating device for eliminating speckle applied to laser light source projection screen, including screen, the back side of screen
It is evenly distributed with the vibrating device body for eliminating laser speckle, vibrating device body is in lattice arrangement, and vibrating device body is pasted using non-illiteracy
Vibrational structure or illiteracy patch vibrational structure are filled the post of；
Non- illiteracy patch vibrational structure includes vibration source, and vibration source is connected to the screen back side by screen laminating layer；
Non- illiteracy patch vibrational structure includes vibration source, and vibration source is connected with vibration transfer layer by vibration source laminating layer, shakes
Dynamic transfer layer is connected to the screen back side by screen laminating layer；
It includes vibration source to cover patch vibrational structure, and the screen back side is gently pasted in the side of vibration source, and the surrounding of vibration source is respectively provided with
Have a screen laminating layer of fixed vibration source, vibration source, screen laminating layer outer surface be sealed with illiteracy paste layer；
It includes vibration source to cover patch vibrational structure, and vibration source is connected with vibration transfer layer by vibration source laminating layer, vibration
The screen back side is gently pasted in the side of transfer layer, and the surrounding for vibrating transfer layer is both provided with screen laminating layer, vibration source, screen fitting
Layer, the outer surface for vibrating transfer layer are sealed with illiteracy paste layer.
It takes the shape of the letter U in the shape of the present invention for covering paste layer, the length for vibrating transfer layer is more than the length of vibration source.
Further, one end of the vibration source is connected with power supply by power cord, and the other end of vibration source passes through power supply
Line is connected with vibrating regulator, and the surface of vibrating regulator is provided with the parameter regulation key for adjusting electric current, voltage, frequency, parameter
Adjusting key includes operation button, operation knob.
Further, the material that the illiteracy paste layer uses is screen curtain base or organic fabric.
Further, the vibration source is using micro-machine or micromotor or piezoelectric patches.
Further, the material that the vibration transfer layer uses constitutes thin for elemental metals or alloy or organic polymer
Piece, elemental metals using aluminium, any one of iron, alloy be aluminium alloy, steel, titanium alloy it is any, organic polymer is rubber
Any one of glue, foam, resin, plastics, carbon fiber.
Further, the screen laminating layer is identical with the thickness of vibration source laminating layer, screen laminating layer and vibration source fitting
The bonding form of layer is all made of double-sided adhesive form or direct welding form, the material that double-sided adhesive form uses for double faced adhesive tape or
Any one of AB glue.
Further, the oscillation crosswise apparatus body and extensional vibration apparatus body at the screen back side are collinearly distributed.
Further, the oscillation crosswise apparatus body at the screen back side is collinearly distributed, the extensional vibration device at the screen back side
Body is interspersed.
The beneficial effects of the invention are as follows：It is simple in structure, its manufacturing cost is reduced, improves the efficiency that laser speckle is eliminated, together
When in order to adapt to home theater and private shadow the demand that laser shows speckle is eliminated to small breadth screen, be easily installed, will not
It damages during the installation process to the surface of screen, practical performance is excellent, novel in design, is a kind of good innovation scheme, very
There is market promotion prospect.
Description of the drawings
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments：
Fig. 1 is the structural diagram of the present invention 1；
Fig. 2 is structural representation Fig. 2 of the present invention；
Fig. 3 is structural representation Fig. 3 of the present invention；
Fig. 4 is structural representation Fig. 4 of the present invention；
Fig. 5 is the array pattern structure chart 1 of the present invention；
Fig. 6 is the array pattern structure chart 2 of the present invention；
100- screens in figure, 110- vibrating regulators, 120- power supplys, 130- vibration sources, 140- vibration source laminating layers, 150-
Transfer layer, 160- screen laminating layers are vibrated, 170- covers paste layer, 180- power cords, 190- parameter regulation keys, 200- vibrating devices
Body, the non-illiteracies of 300- paste vibrational structure, and 400- covers patch vibrational structure.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
A kind of small vibrating device for eliminating speckle applied to laser light source projection screen, including screen 100, screen 100
The back side be evenly distributed with eliminate laser speckle vibrating device body 200, vibrating device body 200 be in lattice arrangement, vibrating device
Body 200 is filled the post of using non-illiteracy patch vibrational structure 300 or illiteracy patch vibrational structure 400；
Referring to Fig. 1, in one embodiment of the invention, non-illiteracy patch vibrational structure 300 includes vibration source 130, vibration
Source 130 is connected to 100 back side of screen by screen laminating layer 160；
Referring to Fig. 2, in another embodiment of the present invention, non-illiteracy patch vibrational structure 300 includes vibration source 130, is shaken
Dynamic source 130 is connected with vibration transfer layer 150 by vibration source laminating layer 140, and vibration transfer layer 150 passes through screen laminating layer 160
It is connected to 100 back side of screen；
Referring to Fig. 3, in the third embodiment of the present invention, it includes vibration source 130 to cover patch vibrational structure 400, vibration
100 back side of screen is gently pasted in the side in source 130, and the surrounding of vibration source 130 is both provided with the screen laminating layer of fixed vibration source 130
160, vibration source 130, screen laminating layer 160 outer surface be sealed with cover paste layer 170；
Referring to Fig. 4, in the 4th embodiment of the present invention, it includes vibration source 130 to cover patch vibrational structure 400, vibration
Source 130 is connected with vibration transfer layer 150 by vibration source laminating layer 140, and the back of the body of screen 100 is gently pasted in the side of vibration transfer layer 150
The surrounding in face, vibration transfer layer 150 is both provided with screen laminating layer 160, and vibration source 130, screen laminating layer 160, vibration pass
The outer surface for passing layer 150 is sealed with illiteracy paste layer 170.
In addition, the shape for covering paste layer 170 takes the shape of the letter U, the length of vibration transfer layer 150 is more than the length of vibration source 130.
One end of vibration source 130 is connected with power supply 120 by power cord 180, and the other end of vibration source 130 passes through power cord
180 are connected with vibrating regulator 110, and the surface of vibrating regulator 110 is provided with the parameter regulation for adjusting electric current, voltage, frequency
Key 190, parameter regulation key 190 include operation button, operation knob.
The material that illiteracy paste layer 170 uses is screen curtain base or organic fabric.Vibration source 130 uses micro-machine or micro electric
Machine or piezoelectric patches.
The thin slice that the material that vibration transfer layer 150 uses is constituted for elemental metals or alloy or organic polymer, elemental gold
Belong to using aluminium, any one of iron, alloy be aluminium alloy, steel, titanium alloy it is any, organic polymer is rubber, foam, tree
Any one of fat, plastics, carbon fiber.
Screen laminating layer 160 is identical with the thickness of vibration source laminating layer 140, screen laminating layer 160 and vibration source laminating layer
140 bonding form is all made of double-sided adhesive form or direct welding form, and the material that double-sided adhesive form uses is double faced adhesive tape
Or any one of AB glue.
Referring to Fig. 5, the oscillation crosswise apparatus body and extensional vibration apparatus body at the screen back side 100 are collinearly distributed.
Referring to Fig. 6, the oscillation crosswise apparatus body at the screen back side 100 is collinearly distributed, the extensional vibration apparatus body at the screen back side
It is interspersed.
By vibration source (micro-machine, micromotor, piezoelectric patches) screen back side double-sided adhesive layer (can use double faced adhesive tape,
AB glue) it fits together, it is also possible to soft material (such as screen curtain base or other organic fabrics) is (micro-machine, micro- by vibration source
Type motor, piezoelectric patches) cover be attached to the screen back side, be used in combination double-sided adhesive layer (double faced adhesive tape, AB glue) by screen curtain base or organic fabric
It is pasted together with the screen back side, or by screen curtain base or organic fabric directly together with screen root running.
Vibration can also be arranged between the screen back side and vibration source and transmit in addition to it can directly be covered on the screen back side for vibration source
Layer, to expand the contact area of vibration source and screen, increase the transmission effect of vibration, while subtract when vibration source is bonded screen
The marking that screen front generates, vibration transfer layer can by elemental metals (such as aluminium, iron) alloy (such as steel, aluminium alloy, titanium alloy) or
Organic polymer (such as rubber, foam, resin, plastics, Carbon fibe) is processed into thin slice, and vibration source and vibration are first transmitted piece
It is bonded together with double-sided adhesive layer, also can vibration source directly be transmitted piece with vibration welds together, then will vibrate transfer layer
Shiny surface the screen back side is pasted on by double-sided adhesive layer, or be attached to the screen back side with screen curtain base and organic fabric illiteracy, it
Screen is tightened afterwards to eliminate the fitting marking of screen front generation, finally according to screen size, by several vibration sources with shake
Dynamic transfer layer component form with lattice arrangement spaced apart uniformly fits in the whole picture screen back side.
All vibration sources are connected with power cord and are connected into power supply, and vibration can be also connected between vibration source and power supply and is adjusted
Device, with parameters such as the electric currents, voltage, frequency that adjust vibration source, to control the Oscillation Amplitude of vibration source, the operations such as vibration frequency
State.
Open power supply connection, the vibration source at the screen back side to be vibrated more than the frequency of 24Hz and certain amplitude, from
And whole picture screen is driven to be vibrated with corresponding Frequency and Amplitude, to achieve the effect that eliminate laser speckle.
In the case where connecting vibrating regulator, the screen that can be also projected on laser picture under vibrational state passes through sight
The elimination situation of laser speckle is examined, while adjusting vibrating regulator, the parameters such as the electric current, voltage, frequency of motor are controlled, to control
Screen is vibrated, and after debugging out optimal speckle eradicating efficacy, determines vibrating controller parameter, can be later in use, straight
It connects opening device and just reaches optimal speckle eradicating efficacy.
The beneficial effects of the invention are as follows：It is simple in structure, its manufacturing cost is reduced, improves the efficiency that laser speckle is eliminated, together
When in order to adapt to home theater and private shadow the demand that laser shows speckle is eliminated to small breadth screen, be easily installed, will not
It damages during the installation process to the surface of screen, practical performance is excellent, novel in design, is a kind of good innovation scheme, very
There is market promotion prospect.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, it is of the invention without departing from the spirit and scope of the present invention also to have respectively
Kind changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by
Appended claims and its equivalent define.
Claims (9)
1. a kind of small vibrating device for eliminating speckle applied to laser light source projection screen, including screen, it is characterised in that：Silver
The back side of curtain is evenly distributed with the vibrating device body for eliminating laser speckle, and vibrating device body is in lattice arrangement, and vibrating device body is adopted
Vibrational structure, which is pasted, with non-illiteracy or covers patch vibrational structure fills the post of；
Non- illiteracy patch vibrational structure includes vibration source, and vibration source is connected to the screen back side by screen laminating layer；
Non- illiteracy patch vibrational structure includes vibration source, and vibration source is connected with vibration transfer layer by vibration source laminating layer, and vibration passes
It passs layer and the screen back side is connected to by screen laminating layer；
It includes vibration source to cover patch vibrational structure, and the screen back side is gently pasted in the side of vibration source, and the surrounding of vibration source is both provided with admittedly
Determine the screen laminating layer of vibration source, vibration source, screen laminating layer outer surface be sealed with illiteracy paste layer；
It includes vibration source to cover patch vibrational structure, and vibration source is connected with vibration transfer layer by vibration source laminating layer, and vibration is transmitted
The screen back side is gently pasted in the side of layer, and the surrounding for vibrating transfer layer is both provided with screen laminating layer, and vibration source, shakes at screen laminating layer
The outer surface of dynamic transfer layer is sealed with illiteracy paste layer.
2. a kind of small vibrating device for eliminating speckle applied to laser light source projection screen according to claim 1,
It is characterized in that：The shape of the illiteracy paste layer takes the shape of the letter U, and the length for vibrating transfer layer is more than the length of vibration source.
3. a kind of small vibrating device for eliminating speckle applied to laser light source projection screen according to claim 1,
It is characterized in that：One end of the vibration source is connected with power supply by power cord, and the other end of vibration source is connected by power cord
There are vibrating regulator, the surface of vibrating regulator to be provided with the parameter regulation key for adjusting electric current, voltage, frequency, parameter regulation key
Including operation button, operation knob.
4. a kind of small vibrating device for eliminating speckle applied to laser light source projection screen according to claim 1,
It is characterized in that：The material that the illiteracy paste layer uses is screen curtain base or organic fabric.
5. a kind of small vibrating device for eliminating speckle applied to laser light source projection screen according to claim 1,
It is characterized in that：The vibration source is using micro-machine or micromotor or piezoelectric patches.
6. a kind of small vibrating device for eliminating speckle applied to laser light source projection screen according to claim 1,
It is characterized in that：The thin slice that the material that the vibration transfer layer uses is constituted for elemental metals or alloy or organic polymer, it is single
Matter metal using aluminium, any one of iron, alloy be aluminium alloy, steel, titanium alloy it is any, organic polymer is rubber, bubble
Any one of foam, resin, plastics, carbon fiber.
7. a kind of small vibrating device for eliminating speckle applied to laser light source projection screen according to claim 1,
It is characterized in that：The screen laminating layer is identical with the thickness of vibration source laminating layer, screen laminating layer and vibration source laminating layer it is viscous
The form of connecing is all made of double-sided adhesive form or direct welding form, and the material that double-sided adhesive form uses is in double faced adhesive tape or AB glue
It is any.
8. a kind of small vibrating device for eliminating speckle applied to laser light source projection screen according to claim 1,
It is characterized in that：The oscillation crosswise apparatus body and extensional vibration apparatus body at the screen back side are collinearly distributed.
9. a kind of small vibrating device for eliminating speckle applied to laser light source projection screen according to claim 1,
It is characterized in that：The oscillation crosswise apparatus body at the screen back side is collinearly distributed, and the extensional vibration apparatus body at the screen back side is interlocked
Distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194960.4A CN108319099A (en) | 2018-03-09 | 2018-03-09 | A kind of small vibrating device for eliminating speckle applied to laser light source projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194960.4A CN108319099A (en) | 2018-03-09 | 2018-03-09 | A kind of small vibrating device for eliminating speckle applied to laser light source projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108319099A true CN108319099A (en) | 2018-07-24 |
Family
ID=62902407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810194960.4A Withdrawn CN108319099A (en) | 2018-03-09 | 2018-03-09 | A kind of small vibrating device for eliminating speckle applied to laser light source projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108319099A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845477A (en) * | 2018-09-04 | 2018-11-20 | 芜湖影星巨幕有限公司 | It is a kind of to show the screen electromagnetic oscillation device for eliminating speckle applied to laser light source |
| CN113674662A (en) * | 2021-07-23 | 2021-11-19 | 华为技术有限公司 | Display system and control method thereof, projector and projection system |
| WO2023024528A1 (en) * | 2021-08-27 | 2023-03-02 | 深圳市时代华影科技股份有限公司 | Screen vibrator and screen vibration system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206020829U (en) * | 2016-09-13 | 2017-03-15 | 张剑 | A kind of projection screen speckle removal device |
-
2018
- 2018-03-09 CN CN201810194960.4A patent/CN108319099A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206020829U (en) * | 2016-09-13 | 2017-03-15 | 张剑 | A kind of projection screen speckle removal device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845477A (en) * | 2018-09-04 | 2018-11-20 | 芜湖影星巨幕有限公司 | It is a kind of to show the screen electromagnetic oscillation device for eliminating speckle applied to laser light source |
| CN113674662A (en) * | 2021-07-23 | 2021-11-19 | 华为技术有限公司 | Display system and control method thereof, projector and projection system |
| WO2023024528A1 (en) * | 2021-08-27 | 2023-03-02 | 深圳市时代华影科技股份有限公司 | Screen vibrator and screen vibration system |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180724 |
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| WW01 | Invention patent application withdrawn after publication |