CN108121143A - A kind of micro- projector equipment - Google Patents
A kind of micro- projector equipment Download PDFInfo
- Publication number
- CN108121143A CN108121143A CN201810121196.8A CN201810121196A CN108121143A CN 108121143 A CN108121143 A CN 108121143A CN 201810121196 A CN201810121196 A CN 201810121196A CN 108121143 A CN108121143 A CN 108121143A
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- projection
- micro
- projector equipment
- image
- projected
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- 230000002159 abnormal effect Effects 0.000 claims description 11
- 239000002346 layers by function Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000002105 nanoparticle Substances 0.000 claims description 6
- 238000003709 image segmentation Methods 0.000 claims description 5
- 239000002159 nanocrystal Substances 0.000 claims description 5
- 239000002057 nanoflower Substances 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- G03B21/14—Details
- G03B21/28—Reflectors in projection beam
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The present invention provides a kind of micro- projector equipments, utilize non-spherical reflector, projection module projection outlet be oppositely arranged and automatic image adjustment component and position regulating member cooperation, so that the image that projected light beam projects to projection interface becomes larger or becomes smaller with the adjustment of each component inside micro- projector equipment, projection image is adjusted flexibly to realize without mobile projector device so as to be successfully realized, the limitation of fixed space condition residing for traditional projector equipment is broken, avoid repeatedly adjusting adjustment of the position to projection image of micro- projector equipment, improve operation facility, and, this compared to existing short-throw projection equipment for, the picture of bigger can also be realized under the shorter distance condition of projection screen in projector equipment, it that is to say short distance projector equipment.
Description
Technical field
The present invention relates to technical field of semiconductors, and in particular to a kind of micro- projector equipment.
Background technology
With the progress of human society, portable product is gradually got the favour of people.The more volumes of traditional projecting apparatus compared with
Greatly, quality is larger, inconvenient to carry.Therefore, people work out micro projector device, can be integrated in terminal device, example
Such as, mobile phone, laptop etc., so as to change people’s lives mode.Since people usually operate projecting apparatus indoors, and
Indoor space is limited, and if projecting apparatus will project big picture or super large picture, generally require enough distances, and general
Logical life and work room is unable to reach.Therefore, short focus projector equipment is increasingly favored be subject to people.
However, the projected picture that existing short focus projector equipment projects is susceptible to distortion, particularly project away from
From nearer, picture distortion shows more apparent, moreover, because short focus projector equipment uses diversity light source, is susceptible to projection
Phenomena such as uniform color representation power of brightness disproportionation of picture is insufficient, the particularly gap of light source distance screen most proximal end and distalmost end
It is more obvious.
Existing short focus projector equipment generally includes fish eye lens, curved surface camera lens/mirror technology etc., however, using
The phenomenon that fish-eye picture distortion and inadequate brightness, is more serious, and use curved surface camera lens/there is set for mirror technology
The problem of meter method is complicated with calculation formula, and has higher requirement to preparation process, and preparation process difficulty is higher.Also,
Using curved surface camera lens/mirror technology, the reflection of curved mirror head must not be all not deviating significantly for by usually projecting the position that module is set
Region avoids the obstruction of projection lens, and projection module particularly is placed in portable terminal such as with curved surface lenses/mirrors
During mobile phone, the volume that projection the distance between module and curved surface camera lens condition limits entire short focus projector equipment further contracts
It is small, it seriously hinders portable terminal and develops to the ultra portable direction of ultra-thin and ultra-light.Also, existing short focus projection
Another drawback of equipment is, it usually needs adjusts projection image by adjusting the distance between projector equipment and projection screen
Size, cause inconvenient to use, lack of wisdom projector equipment.
The content of the invention
In order to overcome problem above, the present invention is intended to provide a kind of micro- projector equipment, using two non-spherical reflectors and
Module is projected to realize the big picture of short distance.
In order to achieve the above object, the present invention provides a kind of micro- projector equipment, including：
Module is projected, for sending the projected light beam of total image；The both sides of projection module are provided with projection outlet, are projected out
The sum of image that mouth is projected out forms total image；
One non-spherical reflector exports opposite setting with the projection, the projection that will be projected from the projection outlet
The outside scattered reflection of light beam；
The non-spherical reflector is moved along the vertical centre direction of principal axis of the minute surface of its own；Projected light beam projects non-
On spherical reflector and after outside scattered reflection, the image at projection interface is finally projected to non-spherical reflector moving process
It becomes larger or becomes smaller.
Preferably, there is the projection module multiple projecting cells and an Image Segmentation unit, Image Segmentation unit to connect
It receives the extraneous image data transmitted and is split, and the image data of segmentation is respectively sent to each projecting cell；It is multiple
Projecting cell is connected with projection outlet, the segmented image data that each projecting cell projects to the projection interface
On, so as to be spliced to form total image.
Preferably, the non-spherical reflector convex surfaces have reflective functional layer.
Preferably, the reflective functional layer uses metal nano-crystalline particle film.
Preferably, the aluminum nanocrystalline grain in the aluminum nanocrystalline grain film for it is one-dimensional it is bent to.
Preferably, it is one-dimensional it is bent to aluminum nanocrystalline grain film in, it is multiple it is one-dimensional it is bent to nanocrystal form a nanometer
Flower grain structure, aluminum nanocrystalline grain film are made of nano flower grain structure.
Preferably, the material of the metal nano-crystalline particle film is aluminium or titanium or aluminium titanium composite bed.
Preferably, the edge of the reflective functional layer on the non-spherical reflector and the edge of the non-spherical reflector have
There is interval, projected light beam is not reflected in the non-spherical reflector of the interval region.
Preferably, the projection outlet is variable size projection outlet, and position tune is additionally provided in micro- projector equipment
Integeral part and automatic image adjustment component, automatic image adjustment component are arranged at the non-spherical reflector of the interval region
Surface for monitoring the projected light beam into the interval region, when automatic image adjustment component receives projected light beam, is sent different
Regular signal receives abnormal signal to position regulating member, position regulating member, the folding of projection outlet is adjusted, together
When, position regulating member real-time reception abnormal signal until when not having abnormal signal, stops adjusting the folding of projection outlet.
Preferably, the shape of the projection outlet is circle, and the circle for projecting outlet zooms in or out, so as to aspherical
The view field that mirror surface forms the view field of amplification and reduces.
The present invention micro- projector equipment, using non-spherical reflector, projection module projection export be oppositely arranged and
Automatic image adjusts the cooperation of component and position regulating member so that projected light beam projects to the image at projection interface with micro- throwing
The adjustment of each component inside shadow equipment and become larger or become smaller, so as to be successfully realized without mobile projector device to realize to projection
The limitation of fixed space condition residing for traditional projector equipment has been broken in the adjustment of image, avoids repeatedly adjusting micro- projector equipment
Adjustment of the position to projection image, improve operation facility, also, this compared to existing short-throw projection equipment for, also
The picture of bigger can be realized under the shorter distance condition of projection screen in projector equipment, that is to say that short distance projection is set
It is standby.Further, the present invention is also by setting the configuration of removable non-spherical reflector, in projector equipment and projection screen distance
Under conditions of constant, the size of projected picture can be adjusted flexibly, and without also needing mobile projector device as existing projector equipment
Or projection screen realizes the adjustment of projected picture size, improves the convenience that micro- projector equipment uses.
Description of the drawings
Fig. 1 is that the removable non-spherical reflector of the first embodiment of the present invention is moved along the vertical center axis of its each minute surface
Structural relation schematic diagram
Fig. 2 is the box structure schematic diagram of each several part of micro- projector equipment of the preferred embodiment of the present invention
Fig. 3 is the scaling schematic diagram of the projection outlet of the preferred embodiment of the present invention
Fig. 4 is the cross section profile of the entire beams of the preferred embodiment of the present invention and the cross section profile of projected light beam
Relation schematic diagram
Fig. 5 is that the vertical center axis of minute surface of the non-spherical reflector of the preferred embodiment of the present invention, curvature are minimum
Point schematic diagram
Specific embodiment
To make present disclosure more clear and easy to understand, below in conjunction with Figure of description, present disclosure is made into one
Walk explanation.Certainly the invention is not limited to the specific embodiment, the general replacement known to those skilled in the art
Cover within the scope of the present invention.
The present invention is described in further detail below in conjunction with attached drawing 1~5 and specific embodiment.It should be noted that attached drawing
Using very simplified form, using non-accurate ratio, and only to it is convenient, clearly reach aid illustration the present embodiment
Purpose.
It please refers to Fig.1 and Fig. 2, micro- projector equipment of the present embodiment includes：
Module is projected, for sending projected light beam；Projection outlet 01 is provided on projection module, projection outlet sends projection
Light beam；
One non-spherical reflector 031 exports 01 opposite setting with projection, the projected light that will be projected from projection outlet 01
The outside scattered reflection of beam；
Non-spherical reflector 031 is removable along the vertical centre direction of principal axis (F axis) of the minute surface of its own；Projected light beam projects
On to non-spherical reflector and after outside scattered reflection, the image at projection interface is finally projected to as non-spherical reflector moves
Process becomes larger or becomes smaller, in Fig. 1, with vertical centre direction of principal axis of the non-spherical reflector 031 along the minute surface of its own
(F axis) along away from projection Interface Moving during, image P1, P2, P3 for being projected become larger, and vice versa.
It is moved by non-spherical reflector 031 in this present embodiment, thus, this is point of the projection image finally obtained
Resolution proposes higher requirement.In the present embodiment, projection module has multiple projecting cells and an Image Segmentation unit, shadow
It as the extraneous image data transmitted of cutting unit reception and is split, and the image data of segmentation is respectively sent to each throwing
Shadow unit；Multiple projecting cells are connected with projection outlet, the segmented image data that each projecting cell projects to institute
It states on projection interface, so as to be spliced to form total image.
Micro- projector equipment of the present embodiment, non-spherical lens area are limited, and therefore, are had in non-spherical reflector convex surfaces
There is reflective functional layer to realize effective scattered reflection to projected light beam.Here, reflective functional layer is thin using metal nano-crystalline particle
Film, preferably, the aluminum nanocrystalline grain in aluminum nanocrystalline grain film is one-dimensional bent to the nanocrystal of bent tropism can improve reflection
The uniformity of light, avoid reflective functional layer reflect after the obtained quality of image of projecting beam decline.Preferably, it is one-dimensional it is bent to aluminium
In nanocrystal film, it is multiple it is one-dimensional it is bent to nanocrystal form a nano flower grain structure, aluminum nanocrystalline grain film by
The composition of nano flower grain structure.For example, the material of metal nano-crystalline particle film can be aluminium or titanium or aluminium titanium composite bed.
It further emphasizes, micro- projector equipment finite volume in the present embodiment, the volume smaller of non-spherical reflector, much
It less than the volume of traditional non-spherical reflector, is handled by above-mentioned reflective functional layer, traditional non-spherical lens can not be used
Concept is weighed.In order to improve the integrality for the projection image that transmitted light beam obtains, gaps and omissions part, the present embodiment are avoided the occurrence of
In, the edge of the reflective functional layer on the non-spherical reflector and the edge of the non-spherical reflector have interval, at this
The non-spherical reflector of interval region does not reflect projected light beam.Here, projection outlet is exported using variable size projection,
Position regulating member and automatic image adjustment component are additionally provided in micro- projector equipment.
In the present embodiment, automatic image adjustment component is arranged at the non-spherical reflector surface of interval region, for supervising
The projected light beam is controlled into the interval region, when automatic image adjustment component receives projected light beam, sends abnormal signal to position
Adjustment component is put, position regulating member receives abnormal signal, and the folding of projection outlet is adjusted, meanwhile, position adjustment
Component real-time reception abnormal signal until when not having abnormal signal, stops adjusting the folding of projection outlet.Preferably, in order to
It is adapted with non-spherical reflector, and further improves image integrity degree, resolution ratio, the shape of the projection outlet in the present embodiment
Shape is circle, referring to Fig. 3, the circle of projection outlet zooms in or out, so as to form amplification on non-spherical reflector surface
View field and the view field reduced
It should be noted that " projected light beam " designated herein exports for the light beam in the range of lithographic picture rather than from projection
The entire beams being projected out, the entire beams projected from projection outlet are greater than or equal to projected light beam, that is to say, that such as Fig. 4
Shown, the beam cross section profile L1 usually projected can be more than the cross section profile L2 of projected light beam, and only need to adjust in the present invention
The cross section profile of the whole projected light beam on projection interface.It further, can be horizontal by being carried out to the light beam projected
To and longitudinally adjust so that the cross section profile of the light beam projected is close with the cross section profile of the projected light beam in the light beam,
So as to avoid unnecessary energy waste.
It is closed next, specifically describing cooperation of the micro- projector equipment of the present embodiment in projection process between various pieces
System.Each projecting cell includes：Video image signal processor, laser driver, laser module, scanner driver, MEMS are swept
Retouch device.Video image signal processor handles input image data, laser driver driving laser module sends laser
Beam；Scanner driver driving MEMS scanners are scanned laser beam and project multigroup light beam to projection interface；Every group of throwing
The image that shadow light beam is projected includes a plurality of pixels and a plurality of pixel columns in a line.
In projection process, in order to improve operation convenience, change the Design Thinking of the micro- projector equipment of tradition here, not
Mobile micro- projector equipment, and in the case of projection interface with the constant distance of micro- projector equipment, as shown in figure 5, with aspherical
The curvature minimum point of mirror mirror is coordinate origin, establishes three-dimensional system of coordinate XYZ, and X-direction is vertical center axis C place sides
To.Here, non-spherical reflector 031 moves reflected light beam along the vertical centre direction of principal axis of itself minute surface, as shown in Figure 1,
Removable non-spherical reflector 031 is mobile along its vertical center axis (F axis), in moving process, what non-spherical reflector 031 reflected
Projected light beam diffusion is projected on projection interface, and the first image P1, the second image P2, the 3rd image P3 is with non-spherical reflector
031 becomes larger away from moving for module of projection, but the bottom of these images is always in same position, so that it is guaranteed that in aspherical throwing
In shadow moving process, each projection image projected on interface is consistently well spliced into total image.
It should be noted that the movement of control non-spherical reflector may be employed a microdrive accurately to control and hold
Row, driver can drive the above-mentioned movement of non-spherical reflector to move.Field drives or Mechanical Driven side may be employed in driver
Formula.
It should also be noted that, for the ease of expression in attached drawing, the projection image on projection interface is smaller, in practice
The size of projection image will be far longer than the size of non-spherical reflector.
Although the present invention is disclosed as above with preferred embodiment, the right embodiment illustrate only for the purposes of explanation and
, the present invention is not limited to, if those skilled in the art can make without departing from the spirit and scope of the present invention
Dry changes and retouches, and the protection domain that the present invention is advocated should be subject to described in claims.
Claims (10)
1. a kind of micro- projector equipment, which is characterized in that including：
Module is projected, for sending the projected light beam of total image；The both sides of projection module are provided with projection outlet, and projection outlet is thrown
The sum of image that shadow goes out forms total image；
One non-spherical reflector exports opposite setting with the projection, the projected light beam that will be projected from the projection outlet
Outside scattered reflection；
The non-spherical reflector is moved along the vertical centre direction of principal axis of the minute surface of its own；Projected light beam projects aspherical
On speculum and after outside scattered reflection, the image at projection interface is finally projected to as non-spherical reflector moving process is gradual
Become larger or become smaller.
2. micro- projector equipment according to claim 1, which is characterized in that it is described projection module have multiple projecting cells and
One Image Segmentation unit, Image Segmentation unit receive the extraneous image data transmitted and are simultaneously split, and by the image of segmentation
Data are respectively sent to each projecting cell；Multiple projecting cells are connected with projection outlet, what each projecting cell projected
Segmented image data is projected to described on interface, so as to be spliced to form total image.
3. micro- projector equipment according to claim 1, which is characterized in that the non-spherical reflector convex surfaces have anti-
Penetrate functional layer.
4. micro- projector equipment according to claim 3, which is characterized in that the reflective functional layer uses metal nano-crystalline particle
Film.
5. micro- projector equipment according to claim 4, which is characterized in that the aluminum nanocrystalline in the aluminum nanocrystalline grain film
Grain for it is one-dimensional it is bent to.
6. micro- projector equipment according to claim 5, which is characterized in that it is one-dimensional it is bent to aluminum nanocrystalline grain film in, it is more
It is a it is one-dimensional it is bent to nanocrystal form a nano flower grain structure, aluminum nanocrystalline grain film by nano flower grain structure structure
Into.
7. micro- projector equipment according to claim 4, which is characterized in that the material of the metal nano-crystalline particle film is
Aluminium or titanium or aluminium titanium composite bed.
8. the micro- projector equipment stated according to claim 3, which is characterized in that reflective functional layer on the non-spherical reflector
The edge of edge and the non-spherical reflector has interval, the interval region non-spherical reflector not to projected light beam into
Row reflection.
9. the micro- projector equipment stated according to claim 8, which is characterized in that the projection outlet is variable size projection outlet,
Position regulating member and automatic image adjustment component are additionally provided in micro- projector equipment, automatic image adjustment component is set
In the non-spherical reflector surface of the interval region, for monitoring the projected light beam into the interval region, automatic image
When adjustment component receives projected light beam, abnormal signal is sent to position regulating member, position regulating member receives abnormal letter
Number, the folding of projection outlet is adjusted, meanwhile, position regulating member real-time reception abnormal signal, until believing without abnormal
Number when, stop to projection outlet folding adjust.
10. micro- projector equipment according to claim 9, which is characterized in that the shape of the projection outlet is circle, is projected
The circle of outlet zooms in or out, so as to the projected area that the view field of amplification is formed on non-spherical reflector surface and is reduced
Domain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810121196.8A CN108121143A (en) | 2018-02-07 | 2018-02-07 | A kind of micro- projector equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810121196.8A CN108121143A (en) | 2018-02-07 | 2018-02-07 | A kind of micro- projector equipment |
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| Publication Number | Publication Date |
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| CN108121143A true CN108121143A (en) | 2018-06-05 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810121196.8A Pending CN108121143A (en) | 2018-02-07 | 2018-02-07 | A kind of micro- projector equipment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08114859A (en) * | 1994-10-17 | 1996-05-07 | Fuji Photo Film Co Ltd | Rear surface projection projector and its assembling method |
| JP2007011248A (en) * | 2005-05-31 | 2007-01-18 | Victor Co Of Japan Ltd | Projection type display apparatus |
| JP2007155902A (en) * | 2005-12-01 | 2007-06-21 | Canon Inc | Optical image forming system |
| CN102193281A (en) * | 2010-03-05 | 2011-09-21 | 精工爱普生株式会社 | Projector, projection unit and interactive board |
| CN104570560A (en) * | 2013-10-21 | 2015-04-29 | 财团法人工业技术研究院 | Light splitting mechanism and projection device using same |
| CN105700282A (en) * | 2016-04-28 | 2016-06-22 | 南京先进激光技术研究院 | Rear projection device |
| CN207992667U (en) * | 2018-02-07 | 2018-10-19 | 全普光电科技(上海)有限公司 | A kind of micro- projection device |
-
2018
- 2018-02-07 CN CN201810121196.8A patent/CN108121143A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08114859A (en) * | 1994-10-17 | 1996-05-07 | Fuji Photo Film Co Ltd | Rear surface projection projector and its assembling method |
| JP2007011248A (en) * | 2005-05-31 | 2007-01-18 | Victor Co Of Japan Ltd | Projection type display apparatus |
| JP2007155902A (en) * | 2005-12-01 | 2007-06-21 | Canon Inc | Optical image forming system |
| CN102193281A (en) * | 2010-03-05 | 2011-09-21 | 精工爱普生株式会社 | Projector, projection unit and interactive board |
| CN104570560A (en) * | 2013-10-21 | 2015-04-29 | 财团法人工业技术研究院 | Light splitting mechanism and projection device using same |
| CN105700282A (en) * | 2016-04-28 | 2016-06-22 | 南京先进激光技术研究院 | Rear projection device |
| CN207992667U (en) * | 2018-02-07 | 2018-10-19 | 全普光电科技(上海)有限公司 | A kind of micro- projection device |
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Effective date of registration: 20190909 Address after: 518000 44 storey Longgang Venture Capital Building, Tengfei Road, Longgang District, Shenzhen City, Guangdong Province Applicant after: Quanpu Semiconductor Technology (Shenzhen) Co.,Ltd. Address before: 200000 Shanghai Jiading District Nanxiang Town Huyi Highway 1185 806 Applicant before: The photoelectric technology (Shanghai) Co.,Ltd. |
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Application publication date: 20180605 |