CN107015427A - Projection arrangement and electronic equipment - Google Patents
Projection arrangement and electronic equipment Download PDFInfo
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- CN107015427A CN107015427A CN201710104335.1A CN201710104335A CN107015427A CN 107015427 A CN107015427 A CN 107015427A CN 201710104335 A CN201710104335 A CN 201710104335A CN 107015427 A CN107015427 A CN 107015427A
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- lens
- lens group
- speculum
- projection arrangement
- projection
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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
- G03B21/14—Details
- G03B21/28—Reflectors in projection beam
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
The invention discloses a kind of projection arrangement and electronic equipment, the projection arrangement includes：Projection module and camera lens module；The camera lens module includes：Optical lens group and speculum；The light source information of the projection module outgoing projects to default screen plane formation image by the incident speculum of the optical lens group after speculum reflection；Wherein, the speculum is used to incident light source information reflexing to the default screen plane.The reflex that technical solution of the present invention passes through the speculum, the light source information of projection module outgoing can be increased to the light path of default screen plane, and then realize that the picture of large-size is shown, simultaneously, by the reflection position for setting speculum, the ratio that light path can be set to increase, increases considerably the size of display picture, the projection of large scale display picture can be carried out in smaller space.
Description
Technical field
The present invention relates to multimedia device technical field, more specifically to a kind of projection arrangement and electronic equipment.
Background technology
Digital micro-mirror device (digital mirror device, abbreviation DMD) is important for what is used at present in projector
Digital optical devices, it is by ten hundreds of small controllable eyeglasses come reflection light so as to form picture.At present, DMD is DLP
The core component of (Digtal Light Procession, digital light processing) projector equipment.
With reference to Fig. 1, Fig. 1 is a kind of operation principle schematic diagram of common projection arrangement in the prior art.Projection module 21
After camera lens 22, image is incident upon on screen 23.In existing projection arrangement, in order to realize that large scale picture is shown, need
Make it that there is sufficiently large distance between projection module 21 and screen 23, be not easy to use in small space.
The content of the invention
In order to solve the above problems, technical solution of the present invention provides a kind of projection arrangement and electronic equipment, projective module
Need less distance that large scale picture can be achieved between block and default screen plane to show, be easy to use.
To achieve these goals, the present invention provides following technical scheme：
A kind of projection arrangement, the projection arrangement includes：Projection module and camera lens module；
The camera lens module includes：Optical lens group and speculum；
The light source information of the projection module outgoing is by the incident speculum of the optical lens group, by described anti-
Penetrate and default screen plane formation image is projected to after mirror reflection；
Wherein, the speculum is used to incident light source information reflexing to the default screen plane.
It is preferred that, in above-mentioned projection arrangement, the optical lens group includes：
First lens group, first lens group is used to carry out optically focused to incident light source information；
Second lens group, second lens group is used to carry out the light source information after first lens group focusing
Beam spread, the optical axis of second lens group and the optical axis coincidence of first lens group.
It is preferred that, in above-mentioned projection arrangement, first lens group is positive focus lens group.
It is preferred that, in above-mentioned projection arrangement, the positive focus lens group includes：
Multiple biconvex lens；
The first planoconvex spotlight between the multiple biconvex lens and second lens group, first plano-convex is saturating
The planar side of mirror is towards the multiple biconvex lens, and the convex side of first planoconvex spotlight is facing to second lens
Group；
Wherein, the biconvex lens adjacent with first planoconvex spotlight is fitted with the first biconcave lens；Described first
The radius of curvature of biconvex lens of the biconcave lens with fitting is identical；First biconcave lens be located at first planoconvex spotlight with
Between the biconvex lens.
It is preferred that, in above-mentioned projection arrangement, second lens group is negative focus lens group.
It is preferred that, in above-mentioned projection arrangement, the negative focus lens group includes：
Second biconcave lens；
The second planoconvex spotlight between second biconcave lens and first lens group, second plano-convex is saturating
The convex side of mirror is facing to first lens group, and its planar side is towards second biconcave lens；
Toroidal lens between second biconcave lens and the speculum, the toroidal lens is aspherical
Concave-convex lens, the concave side of the concave-convex lens is facing to second biconcave lens, and its convex side is facing to the speculum.
It is preferred that, in above-mentioned projection arrangement, the concave-convex lens is plastic lens.
It is preferred that, in above-mentioned projection arrangement, the speculum is aspherical concave mirror.
It is preferred that, in above-mentioned projection arrangement, the convex surface side of the toroidal lens and the reflection of the curved reflector
Curvature radius is identical.
It is preferred that, in above-mentioned projection arrangement, the light of the light source information of the second lens group outgoing passes through institute
State after speculum reflection, it is default being stated described in the speculum and the space crossed rear incidence stated between default screen plane
Screen plane.
Present invention also offers a kind of electronic equipment, the electronic equipment includes：Above-mentioned projection arrangement.
By foregoing description, in projection arrangement and electronic equipment provided in an embodiment of the present invention, in projection arrangement
Camera lens module in increase speculum, with the light source information direction for the optical lens group outgoing for changing camera lens module, in projective module
The timing of distance one, passes through the reflex of the speculum, by increasing capacitance it is possible to increase projection module outgoing between block and default screen plane
Light source information and then realizes that the picture of large-size is shown to the light path of default screen plane.Meanwhile, by setting speculum
Reflection position, the ratio that light path can be set to increase, increases considerably the size of display picture.Therefore, technical solution of the present invention
The projection of large scale display picture can be carried out in smaller space.
When the distance of projection arrangement and default screen plane is fixed, prior art can only by adjust projection arrangement with it is pre-
If the distance between screen plane, significantly to increase or reduce display picture size, simple regulation optical lens group focal length
Mode is only capable of in smaller range finely tuning display picture size, to adjust the definition of display picture.And use the technology of the present invention
Scheme, without changing the distance between projection arrangement and default screen plane, by the reflection position for adjusting speculum, you can real
The significantly increase of existing display picture, is easy to use.
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
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of operation principle schematic diagram of common projection arrangement in the prior art；
Fig. 2 is a kind of structural representation of projection arrangement provided in an embodiment of the present invention；
Fig. 3 is the structural representation of another projection arrangement provided in an embodiment of the present invention.
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 prior art, camera lens 22 includes multiple optical lenses.Do not changing distance between projection module 21 and screen 23
When, by adjusting the focal length of optical lens, display picture can be finely adjusted, i.e., increase or diminution by a small margin show picture
Face, to adjust the definition of display picture.
, can only be by changing distance between projection module 21 and screen 23 when needing to significantly alter display picture size
To adjust the size of display picture.Specifically, as shown in figure 1, between projection module 21 and screen 23 distance be L1 when, in screen
Projection size on 23 is H1, when distance is L2 between projection module 21 and screen 23, and the projection size on screen 23 is H2.
It can be seen that, in the prior art, in order to significantly alter display picture size, it is necessary to adjust projection module 21 and screen 23
Distance, when needing large scale to show, it is necessary to projection module 21 and screen 23 it is in larger distance, be not easy to make in small space
With.
In order to solve the above problems, the embodiments of the invention provide a kind of projection arrangement, the projection arrangement passes through in camera lens
Increase speculum in module, with the light source information direction for the optical lens group outgoing for changing camera lens module, in projection module and in advance
If the timing of distance one, passes through the reflex of the speculum between screen plane, by increasing capacitance it is possible to increase the light source letter of projection module outgoing
The light path of default screen plane is ceased, and then realizes that the picture of large-size is shown.Meanwhile, by the reflection position for setting speculum
Put, the ratio that light path can be set to increase increases considerably the size of display picture.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
With reference to Fig. 2, Fig. 2 is a kind of structural representation of projection arrangement provided in an embodiment of the present invention, the projection arrangement bag
Include：Projection module 11, total reflection prism 12 and camera lens module 18.The camera lens module 18 includes：Optical lens group 17 and
Speculum 15.
The light source information of the outgoing of projection module 11 sequentially passes through the total reflection prism 12 and the optical lens
The 17 incident speculums 15 of group, project to the default formation of screen plane 16 image after the speculum 15 reflection.Wherein,
The speculum 15 is used to the light source information of the outgoing of optical lens group 17 reflexing to the default screen plane 16.It is described
Default screen plane 16 can be metope or curtain.
The optical lens group 17 includes：First lens group 13, first lens group 13 is used for the total reflection rib
The light source information of the outgoing of mirror 12 carries out optically focused；Second lens group 14, second lens group 14 is used for saturating by described first
Light source information after microscope group 13 is focused on carries out beam spread.
Wherein, the optical axis of second lens group 14 and the optical axis coincidence of first lens group 13.Second lens
The optical axis of group 14 includes at least one optical lens with first lens group 13.The optical axis of second lens group 14 is set
With the optical axis coincidence of first lens group 13 so that the optical axis of all optical lenses is overlapped, and is easy to the layout of optical lens,
So that the assembling of optical lens is simple.
As shown in figure 1, in the embodiment of the present invention, the total reflection prism 12 is isosceles right angle total reflection prism.It is described to throw
One right-angle side of the incident isosceles right angle total reflection prism of the light source information of the outgoing of shadow module 11, by the isosceles right angle
After the hypotenuse total reflection of total reflection prism, by another right-angle side outgoing of isosceles right angle total reflection prism, institute is incorporated to
State and penetrate optical lens group 17.
The total reflection prism 12 is set between the projection module 11 and the optical lens group 17, can be by tradition
The straightline propagation mode of light source information is changed to as shown in Figure 2 between projection module 11 described in technology and the optical lens group 17
Right angle folding mode, and then the volume of reduced projection device.In other embodiments, the light of the outgoing of projection module 11
Source information can also the directly incident camera lens module 18, by the speculum 15 reflection after project to default screen plane 16
Image is formed, the total reflection prism 12 need not be now set.
Assuming that the light source information direction of the outgoing of projection module 11 is first direction Y shown in Fig. 2, then it is all-trans described in
Penetrate after prism 12, light source information direction is second direction X shown in Fig. 2, first direction Y is mutually perpendicular to second direction X.Final warp
The light source information direction and first direction for crossing the outgoing of speculum 15 have angle β.The camera lens module 18 is provided with light extraction
Mouth 19.The size of the angle β depend on the speculum 15 reflection position and depending on the light-emitting window 19 with it is described pre-
If the relative position relation of screen plane 16.
In the embodiment of the present invention, the propagation path of light source information is represented by unidirectional arrow in the accompanying drawings.As shown in Figure 2,
In the embodiment of the present invention, needed between the projection module 11 and the default screen plane 16 one it is less apart from L3, i.e.,
Larger light path can be achieved, and then increases substantially the size of projected picture.Light path is a light beam by projection module 11 in Fig. 2
Outgoing has the total path for reaching that the default screen plane 16 is propagated.
It can be seen that, in projection arrangement provided in an embodiment of the present invention, by one it is less apart from L3 can realize one compared with
Big light path, and then increase substantially the size of projected picture.
In the embodiment of the present invention, the structure of second lens group 14 and first lens group 13 can with as shown in figure 3,
Fig. 3 is the structural representation of another projection arrangement provided in an embodiment of the present invention.In the embodiment shown in fig. 3, described
One lens group 13 is positive focus lens group, and second lens group 14 is negative focus lens group.First lens group 13 as described above with
And second lens group 14 is respectively provided with least one optical lens, the optical axis coincidence of all optical lens.
The positive focus lens group includes：Multiple biconvex lens；Positioned at the multiple biconvex lens and second lens group
The first planoconvex spotlight 35 between 14, the planar side of first planoconvex spotlight 35 is described towards the multiple biconvex lens
The convex side of first planoconvex spotlight 35 is facing to second lens group 14.
Multiple biconvex lens can eliminate aberration and adjustment image definition in the positive focus lens group, be filled according to projection
The number for the performance design biconvex lens put.Positive focus lens group described in Fig. 3 includes 3 biconvex lens, in the biography of light source information
Broadcast on direction, 3 biconvex lens are followed successively by biconvex lens 31, biconvex lens 32 and biconvex lens 33.It can be filled according to projection
The performance put sets the number of multiple biconvex lens in the number of biconvex lens, the positive focus lens group to include but is not limited to 3
It is individual.
Wherein, the biconvex lens adjacent with first planoconvex spotlight 35 is fitted with the first biconcave lens 34；It is described
The radius of curvature of biconvex lens of first biconcave lens 34 with fitting is identical；It is flat that first biconcave lens 34 is located at described first
Between convex lens 35 and the biconvex lens.In the embodiment shown in fig. 3, to be fitted with first concave-concave saturating for biconvex lens 33
Mirror 34.First biconcave lens 34 is located between first planoconvex spotlight 35 and the biconvex lens.
In projection arrangement provided in an embodiment of the present invention, realize that optically focused is handled by positive focus lens group, while by burnt saturating
The biconcave lens 34 of biconvex lens 33 and first fit together in microscope group can eliminate colo(u)r bias, it is ensured that the image of projected picture
Quality.
The negative focus lens group includes：Second biconcave lens 37；It is saturating positioned at second biconcave lens 37 and described first
The second planoconvex spotlight 36 between microscope group 13, the convex side of second planoconvex spotlight 36 facing to first lens group 13,
Its planar side is towards second biconcave lens 37；Song between second biconcave lens 37 and the speculum 15
Face lens 38, the toroidal lens 38 is aspherical concave-convex lens, and the concave side of the concave-convex lens is facing to described second
Biconcave lens 37, its convex side is facing to the speculum 15.
Wherein, the concave-convex lens can be plastic lens.The speculum 15 is aspherical concave mirror.It is described
Speculum 15 can be plastic reflective mirror.The convex surface side of the toroidal lens 38 and the reflecting surface of the curved reflector 15 are bent
Rate radius is identical.Using concave-convex lens described in plastic production and the speculum 15, it is easy to moulding, opens and design according to demand
Radius of curvature and focal length, and low manufacture cost.In other embodiments, it would however also be possible to employ glass or wait transparent material system
Make the concave-convex lens and the speculum 15.
The light of the light source information of the outgoing of second lens group 14 is after the speculum 15 reflection, described
Default screen plane 16 is stated described in speculum 15 and the space crossed rear incidence stated between default screen plane 16, to increase
In the size for stating display picture in default screen plane 16.
In projection arrangement provided in an embodiment of the present invention, realize that extension light beam is handled by negative focus lens group, pass through simultaneously
Second biconcave lens 37 and the toroidal lens 38 in focus lens group can be poor with phase calibration, further improve projection
The picture quality of picture.
By foregoing description, in projection arrangement provided in an embodiment of the present invention, in the camera lens module of projection arrangement
Increase speculum, with the light source information direction for the optical lens group outgoing for changing camera lens module, in projection module and default screen
The timing of distance one, passes through the reflex of the speculum between plane, by increasing capacitance it is possible to increase the light source information of projection module outgoing is in advance
If the light path of screen plane, and then realize that the picture of large-size is shown.Meanwhile, by setting the reflection position of speculum, energy
The ratio for enough setting light path to increase, increases considerably the size of display picture.
When the distance of projection arrangement and default screen plane is fixed, prior art can only by adjust projection arrangement with it is pre-
If the distance between screen plane, significantly to increase or reduce display picture size, simple regulation optical lens group focal length
Mode is only capable of in smaller range finely tuning display picture size, to adjust the definition of display picture.And use the technology of the present invention
Scheme, without changing the distance between projection arrangement and default screen plane, by the reflection position for adjusting speculum, you can real
The significantly increase of existing display picture, is easy to use.
Based on above-mentioned projection arrangement embodiment, another embodiment of the present invention additionally provides a kind of electronic equipment, and the electronics is set
The standby projection arrangement including described in above-described embodiment.
The specific electronic equipment can set for the electronics such as projecting apparatus and mobile phone, notebook computer with projecting function
It is standby.
Electronic equipment described in the embodiment of the present invention, can be in relatively short distance using the projection arrangement in above-described embodiment
Interior projection large scale display picture, can carry out large scale image projection in smaller spatial dimension and show, easy to use.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.For electronics disclosed in embodiment
For equipment, because it is corresponding with projection arrangement disclosed in embodiment, so description is fairly simple, related part is referring to throwing
Image device part illustrates.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of projection arrangement, it is characterised in that including：Projection module and camera lens module；
The camera lens module includes：Optical lens group and speculum；
The light source information of the projection module outgoing is by the incident speculum of the optical lens group, by the speculum
Default screen plane formation image is projected to after reflection；
Wherein, the speculum is used to incident light source information reflexing to the default screen plane.
2. projection arrangement according to claim 1, it is characterised in that the optical lens group includes：
First lens group, first lens group is used to carry out optically focused to incident light source information；
Second lens group, second lens group is used to carry out light beam to the light source information after first lens group focusing
Extension, the optical axis of second lens group and the optical axis coincidence of first lens group.
3. projection arrangement according to claim 2, it is characterised in that first lens group is positive focus lens group.
4. projection arrangement according to claim 3, it is characterised in that the positive focus lens group includes：
Multiple biconvex lens；
The first planoconvex spotlight between the multiple biconvex lens and second lens group, first planoconvex spotlight
Planar side is towards the multiple biconvex lens, and the convex side of first planoconvex spotlight is facing to second lens group；
Wherein, the biconvex lens adjacent with first planoconvex spotlight is fitted with the first biconcave lens；First concave-concave
The radius of curvature of biconvex lens of the lens with fitting is identical；First biconcave lens be located at first planoconvex spotlight with it is described
Between biconvex lens.
5. projection arrangement according to claim 2, it is characterised in that second lens group is negative focus lens group.
6. projection arrangement according to claim 5, it is characterised in that the negative focus lens group includes：
Second biconcave lens；
The second planoconvex spotlight between second biconcave lens and first lens group, second planoconvex spotlight
Convex side is facing to first lens group, and its planar side is towards second biconcave lens；
Toroidal lens between second biconcave lens and the speculum, the toroidal lens is aspherical bumps
Lens, the concave side of the concave-convex lens is facing to second biconcave lens, and its convex side is facing to the speculum.
7. projection arrangement according to claim 6, it is characterised in that the speculum is aspherical concave mirror.
8. projection arrangement according to claim 8, it is characterised in that convex surface side and the curved surface of the toroidal lens
The reflector curvature radius of speculum is identical.
9. projection arrangement according to claim 1, it is characterised in that the light source information of the second lens group outgoing
Light after speculum reflection, the speculum and it is described state between default screen plane it is space crossed after enter
Default screen plane is stated described in penetrating.
10. a kind of electronic equipment, it is characterised in that including：Projection arrangement as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104335.1A CN107015427A (en) | 2017-02-24 | 2017-02-24 | Projection arrangement and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104335.1A CN107015427A (en) | 2017-02-24 | 2017-02-24 | Projection arrangement and electronic equipment |
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| CN107015427A true CN107015427A (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710104335.1A Pending CN107015427A (en) | 2017-02-24 | 2017-02-24 | Projection arrangement and electronic equipment |
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Cited By (6)
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| CN109188831A (en) * | 2018-09-28 | 2019-01-11 | 苏州佳世达光电有限公司 | Imaing projector |
| CN111405091A (en) * | 2020-03-19 | 2020-07-10 | Oppo广东移动通信有限公司 | Electronic device |
| CN112305756A (en) * | 2020-10-30 | 2021-02-02 | 维沃移动通信有限公司 | Electronic device, control method and control device thereof, and readable storage medium |
| CN112505879A (en) * | 2020-11-18 | 2021-03-16 | 西安玄瑞光电科技有限公司 | Wide-field-of-view long-focus high-resolution lens |
| CN114879348A (en) * | 2022-04-27 | 2022-08-09 | 歌尔光学科技有限公司 | Projection lens and electronic equipment |
| CN117784512A (en) * | 2024-02-26 | 2024-03-29 | 深圳市瀚思通汽车电子有限公司 | LED light source structure, LCoS optical machine and HUD display system thereof |
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| US10901170B2 (en) | 2018-09-28 | 2021-01-26 | Qisda Corporation | Image projection device |
| CN109188831B (en) * | 2018-09-28 | 2021-06-15 | 苏州佳世达光电有限公司 | Image projection device |
| CN111405091A (en) * | 2020-03-19 | 2020-07-10 | Oppo广东移动通信有限公司 | Electronic device |
| CN112305756A (en) * | 2020-10-30 | 2021-02-02 | 维沃移动通信有限公司 | Electronic device, control method and control device thereof, and readable storage medium |
| CN112505879A (en) * | 2020-11-18 | 2021-03-16 | 西安玄瑞光电科技有限公司 | Wide-field-of-view long-focus high-resolution lens |
| CN112505879B (en) * | 2020-11-18 | 2023-11-24 | 西安玄瑞光电科技有限公司 | Wide-view-field long-focus high-resolution lens |
| CN114879348A (en) * | 2022-04-27 | 2022-08-09 | 歌尔光学科技有限公司 | Projection lens and electronic equipment |
| CN114879348B (en) * | 2022-04-27 | 2023-12-22 | 歌尔光学科技有限公司 | Projection lens and electronic equipment |
| CN117784512A (en) * | 2024-02-26 | 2024-03-29 | 深圳市瀚思通汽车电子有限公司 | LED light source structure, LCoS optical machine and HUD display system thereof |
| CN117784512B (en) * | 2024-02-26 | 2024-05-24 | 深圳市瀚思通汽车电子有限公司 | LED light source structure, LCoS optical machine and HUD display system thereof |
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