CN106094409A - A kind of projection arrangement - Google Patents
A kind of projection arrangement Download PDFInfo
- Publication number
- CN106094409A CN106094409A CN201610692218.7A CN201610692218A CN106094409A CN 106094409 A CN106094409 A CN 106094409A CN 201610692218 A CN201610692218 A CN 201610692218A CN 106094409 A CN106094409 A CN 106094409A
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- projection arrangement
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- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims description 51
- 230000006698 induction Effects 0.000 claims description 13
- 230000000007 visual effect Effects 0.000 abstract description 13
- 230000002688 persistence Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009349 indirect transmission Effects 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 229910052655 plagioclase feldspar Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035807 sensation Effects 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
-
- 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
- G03B21/142—Adjusting of projection optics
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Adjustment Of Camera Lenses (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a kind of projection arrangement, this device includes: illuminator, close the light path guiding device of light light beam, Projection Display chip and camera lens from illuminator for guiding；Also include, by driving pre-vibrating elements, making pre-vibrating elements carry out the vibrating device vibrated according to pre-set angle and frequency；Wherein, described pre-vibrating elements is one or more elements and/or the Projection Display chip of light path guide.By optical system key element is carried out regular vibration alone or in combination, according to visual persistence phenomenon, the pixel making Projection Display chip produce is overlapped, and expands visual field, effectively promotes the resolution of projected picture.
Description
Technical field
The present invention relates to field of projection display, particularly one carries high-resolution projection arrangement based on vibration.
Background technology
In DLP miniature projector, image, by the matrix arranged on a semiconductor die, is referred to as digital micro-mirror
The microscopic mirrors small reflector of device (DMD) creates.
Image resolution ratio is an outstanding feature of picture quality, and the resolution of image is the highest, shows that it is closer to truly
Scene.The resolution of raising image mainly by improving hardware device and improving image processing software two ways, is wherein improved
The mode of hardware device is mainly image image-forming component and the improvement of optical system.
Existing imaging displacement device, is made up of two vibrating mechanisms, is individually positioned in horizontally and vertically
Image bang path on, by switching the image space of multiple subimage in picture frame time, improve the definition of image.
This device uses two kinds of vibrating mechanism devices complicated, and substep motion, process is loaded down with trivial details.
Visual persistence phenomenon: object is when rapid movement, when, after the image disappearance that human eye is seen, human eye remains to continue to protect
It is stayed to affect the image about the 0.1-0.4 second.
Summary of the invention
Present invention aim at providing one to carry high-resolution projection arrangement based on vibration, by crucial to optical system
Element carry out regular vibration alone or in combination, according to visual persistence phenomenon, the pixel making Projection Display chip produce is entered
Row superposition, expands visual field simultaneously, effectively promotes the resolution of projected picture.
The technical solution used in the present invention is: a kind of projection arrangement, including: illuminator, for guiding from illumination dress
That puts closes the light path guiding device of light light beam, Projection Display chip and camera lens；It is characterized in that, also include being shaken in advance by driving
Dynamic element, makes pre-vibrating elements carry out the vibrating device vibrated according to pre-set angle and frequency；
Wherein, described pre-vibrating elements is one or more elements and/or the Projection Display chip of light path guide.
Preferably, described vibrating device includes: for limiting vibration angle and the induction mechanism of frequency of vibration and for producing
Raw vibrating mechanism of reciprocating vibration；Described induction mechanism shakes back and forth by certain frequency in vibrating mechanism is limited in certain angle
Dynamic；Described vibrating mechanism is connected with pre-vibrating elements.
Preferably, do not produce between described pre-vibrating elements and other optical elements and be connected so that pre-vibrating elements is carried out
During vibration, other optical elements all remain stationary as.
Preferably, described vibrating mechanism is not limited to directly contact or between other modes with the connected mode of pre-vibrating elements
Connect transmission vibration.
Preferably, described Projection Display chip is set to dmd chip or LCOS chip, and described pre-vibrating elements is DMD core
Sheet or LCOS chip, described vibrating mechanism is connected with dmd chip or LCOS chip.
Preferably, described vibrating mechanism often vibrates once so that the projection picture of Projection Display chip occurs 1/2nd
The offset distance of pixel.
Preferably, described light path guide includes that reflecting mirror, described pre-vibrating elements are reflecting mirror, described vibrating mechanism
It is connected with reflecting mirror.
Preferably, the frequency of vibration of the vibrating mechanism of described vibrating device is more than 10 hertz.
Preferably, described light path guiding device includes: reflecting mirror, relay lens, corner cube prism.
Preferably, described illuminator includes: LED light source, collimating lens system, light splitting lens set, fly's-eye lens and
Relay lens.
Preferably, described light splitting lens set includes the first dichroic mirror and the second dichroic mirror be arrangeding in parallel, for transmission or
The light that reflex LED light source is sent, and it parallel is incided in light path guide.The invention has the beneficial effects as follows: pass through
Optical system key element carried out regular vibration alone or in combination, according to visual persistence phenomenon, makes Projection Display core
The pixel that sheet produces is overlapped, and expands visual field simultaneously, effectively promotes the resolution of projected picture.
Accompanying drawing explanation
Fig. 1 is the overall system view of the embodiment of the present invention 1；
Fig. 2 is pixel stacking chart of reciprocating vibration；
Fig. 3 is the embodiment of the present invention 2 overall system view；
Fig. 4 is the embodiment of the present invention 2 reflecting mirror original state schematic diagram.
Detailed description of the invention
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Fig. 1 is the overall system view of the embodiment of the present invention 1, and concrete structure includes illuminator 300, for guiding from photograph
Bright device close the light path guide 200 of light light beam, Projection Display chip 500, camera lens 100 and by drive vibrate unit in advance
Part, makes pre-vibrating elements carry out the vibrating device (not shown) vibrated according to pre-set angle and frequency.Wherein,
Described pre-vibrating elements is one or more elements and/or the Projection Display chip of light path guide.Can be according to concrete feelings
Depending on condition.
In the present embodiment, illuminator 300, comprising: LED light source, collimating lens system, light splitting lens set, in second
Continue lens 307 and fly's-eye lens or optical wand 306；This LED light source includes: blue led light source 1, green LED light source 2 and red LED
Light source 3.This three-color LED chip is individually enclosed in three LEDs；Wherein, the HONGGUANG light path that red LED light source 3 sends is with green
The green glow light path that LED light source 2 sends be arranged in parallel, and the blue light paths that blue led light source 1 sends is perpendicular to red LED light source 3
The green glow light path that the HONGGUANG light path gone out and green LED light source 2 send.
Wherein, described LED light source can also use other light sources to replace, depending on practical situation.LED light source three coloured light
Position and order freely can adjust according to practical situation, however it is not limited to described in the present embodiment.
This collimating lens system includes: the first collimation lens set the 301, second collimation lens set 302 and the 3rd collimating lens
Group 303, be separately positioned in the light path of blue led light source 1, green LED light source 2 and red LED light source 3, be used for receive from
Blue, the green and natural light of red LED light source by equalizing light rays.
Wherein it is possible to arrange the concrete structure of collimating lens system and element and number according to actual needs, it is not
It is limited to described in the present embodiment.
Preferably, the first collimation lens set the 301, second collimation lens set 302 and center light of the 3rd collimation lens set 303
Axle central optical axis with blue led light source 1, green LED light source 2 and red LED light source 3 respectively overlaps；Second relay lens 307
Near reflecting mirror 204, the second relay lens 307 and fly's-eye lens or the central optical axis of optical wand 306 and the first collimation lens set 301
Central optical axis overlaps.
This light splitting lens set includes: the first dichroic mirror 304 and the second dichroic mirror 305 be arrangeding in parallel, the first dichroic mirror 304
The light of reflection green LED light source 2 light of transmitting blue LED light source 1, the second dichroic mirror 305 reflects the light of red LED light source 3
And transmitting blue LED light source 1 and the light of green LED light source 2, it is achieved blue, red and green three-color LED light source is sent
Parallel light is transmitted in light path guide.
Wherein can arrange the concrete structure of described light splitting lens set and element and number according to actual needs, it is not
It is limited to described in the present embodiment.
Light path guide 200, including: reflecting mirror the 204, first relay lens the 203, second corner cube prism 202 and
One corner cube prism 201.Reflecting mirror 204 receives the light of the second relay lens 307 come, and it is saturating that light reflexes to the first relaying
Mirror 203, the first relay lens 203 is placed in parallel with a right-angle side of the second corner cube prism 202, and the second corner cube prism 202 is oblique
Long limit is pressed close to place with the first corner cube prism 201 plagioclase limit, a right-angle side of the first corner cube prism 201 and Projection Display chip
500 are placed in parallel, and another right-angle side is placed in parallel with camera lens 100.
Wherein it is possible to arrange the concrete structure of light path guide and element and number according to actual needs, it is not
It is limited to described in the present embodiment.
Described vibrating device, including: for limiting vibration angle and the induction mechanism of frequency of vibration and for producing back and forth
The vibrating mechanism 400A of vibration, described induction mechanism shakes back and forth by certain frequency in vibrating mechanism 400A is limited in certain angle
Dynamic；Described vibrating mechanism 400A is connected with pre-vibrating elements, and connected mode is not limited to directly to contact or other modes are indirect
Transmission vibration.Vibrating mechanism 400A is connected with Projection Display chip 500, and Projection Display chip 500 is not attached to other elements, makes
Projection Display chip 500 when vibrating, other optical elements all remain stationary as.Described vibration angle and frequency of vibration are roots
The pixel of Projection Display chip used according to projection arrangement and light arrive Projection Display chip angle determine.
In the embodiment of the present invention 1, when the systems are operating normally, vibrating mechanism 400A is connected with Projection Display chip 500, shakes
Motivation structure 400A complete in the certain angle that induction mechanism limits one of reciprocating vibration, described induction mechanism limit certain angle
Degree size by Projection Display chip 500 pixel value determine, make from Projection Display chip 500 projection picture occur two/
The offset distance of one pixel, produces two image A and A1 as shown in Figure 2, and two images are superimposed as A2 in visual effect, from
And promote brightness and the resolution of picture.
In this embodiment, described Projection Display chip 500 is set to dmd chip or LCOS chip, it is also possible to be to realize throwing
The other kinds of chip that shadow shows.Described pre-vibrating elements is dmd chip or LCOS chip or other kinds of Projection Display
Chip.
Embodiment 2
Fig. 3 is the embodiment of the present invention 2 overall system view, at illuminator 300, light path guide 200, Projection Display core
Sheet 500 and camera lens 100 constant in the case of, described pre-vibrating elements is the reflecting mirror 204 in light path guide 200.To shake
The vibrating elements 400B of dynamic device is connected with reflecting mirror 204, and reflecting mirror 204 is not attached to other elements so that reflecting mirror 204 enters
During row vibration, other optical elements all remain stationary as.
It is illustrated in figure 4 reflecting mirror 204 original state schematic diagram.The central optical axis of Z axis and the second relay lens 307 is put down
OK, Y-axis is vertical with Z axis.The original state of vibration does not occurs at reflecting mirror 204, and the axis L of reflecting mirror 204 becomes 45 degree with Z axis
Angle；Under the duty of reflecting mirror 204, reflecting mirror 204 back and forth deflects certain angle around axis L according to certain frequency, produces
Raw vibration.
The vibration of reflecting mirror 204 certain frequency so that be reflected the light generation certain frequency of mirror 204 and shaking of angle
Dynamic, described frequency and angle arrive the angle of Projection Display chip 500 certainly according to pixel and the light of Projection Display chip 500
Fixed so that the projection picture of the image and Projection Display chip 500 inciding Projection Display chip 500 occur two/
The offset distance of one pixel, produces two image A and A1 as shown in Figure 2, and two images are superimposed as A2 in visual effect, expands
Big visual field and then raising resolution.
Pre-vibrating elements described in the embodiment of the present invention is one or more elements of light path guide and/or projects aobvious
Show chip 500.Described pre-vibrating elements is not limited to Projection Display chip 500 or the reflecting mirror 204 of the embodiment of the present invention.Also may be used
To set pre-vibrating elements according to actual needs simultaneously for the optics unit in Projection Display chip 500 and light path guide 200
Part, such as reflecting mirror or other elements；Or set pre-vibrating elements and be individually for Projection Display chip 500 or light path guiding dress
Put the optical element in 200.
As such, it is possible to make the embodiment of the present invention be possible not only to make discrete component vibrate, multiple element group also can be made
Carry out regular vibration during contract, to reach the superposition of pixel, according to visual persistence phenomenon, make Projection Display chip produce
Pixel is overlapped, and expands visual field simultaneously, effectively promotes the resolution of projected picture.
Wherein, in embodiments of the invention, it is preferable that described vibrating mechanism often vibrates once, can make from Projection Display
There is the offset distance of 1/2nd pixels in the projection picture of chip, so so that visual effect after migrated image superposition
Best.Certainly, the distance of skew is not limited to 1/2nd pixels, it is also possible to make described vibrating mechanism often shake according to actual needs
Moving once, there is the offset distance of other sizes in the projection picture of Projection Display chip.
Wherein, in embodiments of the invention, described vibrating mechanism is not limited to directly connect with the connected mode of pre-vibrating elements
Touch or the vibration of other mode indirect transfer.Described vibrating mechanism can be by directly contacting with pre-vibrating elements, it is achieved vibration
Transmission；Wherein said vibrating mechanism can be that on-fixed connection only realizes directly connecing with directly contacting of pre-vibrating elements
Touch, it is also possible to be that both are fixed together realization directly contact；Wherein said vibrating mechanism is fixing with pre-vibrating elements
The modes such as connection can be passed through bonding, connector connection are fixed.Vibrating mechanism can also be not directly contacted with pre-vibrating elements, and
It is that middle coupling element directly contacts with pre-vibrating elements with vibrating mechanism respectively, thus enters by using middle coupling element
The transmission of row vibration；Wherein directly the contact and middle coupling element and and vibrate unit in advance of middle coupling element and vibrating mechanism
The directly contact of part can be that on-fixed connection only realizes directly contact, it is also possible to is that both are fixed together realization directly
Contact；The modes such as wherein said fixing connection can be passed through bonding, connector connection are fixed；Wherein said middle coupling element
It is not limited to the size of element, material, shape, vibrates as long as can be able to transmit between two objects of contact.
Wherein, in embodiments of the invention, described induction mechanism can should be with according to default vibration angle and sensation of frequency
Control vibration angle and the frequency of vibrating mechanism, can be the combination of sensor and controller, it is also possible to be other kinds of unit
Part, as long as it can realize the function of embodiment of the present invention induction mechanism；Described vibrating mechanism can be at induction mechanism
Control the lower element of reciprocating vibration producing certain frequency, be not limiting as the details such as structure and size of vibrating mechanism, as long as
It is capable of the function of embodiment of the present invention vibrating mechanism.Wherein, in embodiments of the invention, described induction mechanism can
To be arranged on vibrating mechanism, described induction mechanism can be wholely set with vibrating mechanism；Can also be that split is arranged, by viscous
Connect or connector is fixing together.
Wherein, in embodiments of the invention, described Projection Display chip could be arranged to dmd chip or LCOS chip, also
It can be the other kinds of chip realizing Projection Display.
Above content is to combine the further description that the present invention is done by optimal technical scheme, it is impossible to assert invention
It is embodied as being only limitted to these explanations.For general technical staff of the technical field of the invention, without departing from the present invention
On the premise of design, simple deduction and replacement can be made, all should be considered as protection scope of the present invention.
Claims (10)
1. a projection arrangement, including: illuminator, for guiding the light path closing light light beam from illuminator to guide dress
Put, Projection Display chip and camera lens；It is characterized in that, also include by drive pre-vibrating elements, make pre-vibrating elements according to
Pre-set angle and frequency carry out the vibrating device vibrated；
Wherein, described pre-vibrating elements is one or more elements and/or the Projection Display chip of light path guide.
Projection arrangement the most according to claim 1, it is characterised in that described vibrating device includes: be used for limiting angle of throw
Spend the induction mechanism with frequency of vibration and for producing vibrating mechanism of reciprocating vibration；Vibrating mechanism is limited by described induction mechanism
Vibrate back and forth by certain frequency in certain angle；Described vibrating mechanism is connected with pre-vibrating elements.
Projection arrangement the most according to claim 1, it is characterised in that between described pre-vibrating elements and other optical elements
Not producing connection so that when pre-vibrating elements vibrates, other optical elements all remain stationary as.
4. according to the projection arrangement described in claims 2, it is characterised in that described vibrating mechanism and the connection of pre-vibrating elements
Mode is not limited to directly contact or the vibration of other mode indirect transfer.
Projection arrangement the most according to claim 2, it is characterised in that described Projection Display chip be set to dmd chip or
LCOS chip, described pre-vibrating elements is dmd chip or LCOS chip, described vibrating mechanism and dmd chip or LCOS chip phase
Connect.
Projection arrangement the most according to claim 4, it is characterised in that described vibrating mechanism often vibrates once so that projection
There is the offset distance of 1/2nd pixels in the projection picture of display chip.
Projection arrangement the most according to claim 2, it is characterised in that described light path guide includes reflecting mirror, described
Pre-vibrating elements is reflecting mirror, and described vibrating mechanism is connected with reflecting mirror.
Projection arrangement the most according to claim 2, it is characterised in that the frequency of vibration of the vibrating mechanism of described vibrating device
More than 10 hertz.
Projection arrangement the most according to claim 1, it is characterised in that described light path guiding device includes: reflecting mirror, relaying
Lens, corner cube prism.
Projection arrangement the most according to claim 1, it is characterised in that described illuminator includes: LED light source, collimation are thoroughly
Mirror system, light splitting lens set, fly's-eye lens and relay lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610692218.7A CN106094409B (en) | 2016-08-19 | 2016-08-19 | A kind of projection arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610692218.7A CN106094409B (en) | 2016-08-19 | 2016-08-19 | A kind of projection arrangement |
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| CN106094409A true CN106094409A (en) | 2016-11-09 |
| CN106094409B CN106094409B (en) | 2017-11-21 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595713A (en) * | 2016-12-22 | 2017-04-26 | 中国科学院光电技术研究所 | Complex background simulation device |
| CN108074512A (en) * | 2016-11-18 | 2018-05-25 | 中兴通讯股份有限公司 | Projecting method and device |
| WO2018121058A1 (en) * | 2016-12-28 | 2018-07-05 | 深圳市光峰光电技术有限公司 | Light source system and display device |
| CN110082999A (en) * | 2018-01-26 | 2019-08-02 | 中强光电股份有限公司 | Projector, light engine and picture element offset assembly |
| CN110365956A (en) * | 2019-06-03 | 2019-10-22 | 歌尔股份有限公司 | A kind of projection arrangement |
| US10798354B2 (en) | 2018-03-20 | 2020-10-06 | Delta Electronics, Inc. | Projection display apparatus and method for controlling the same |
| CN112859496A (en) * | 2021-03-22 | 2021-05-28 | 青岛海信激光显示股份有限公司 | Projection imaging system |
| US20210344884A1 (en) * | 2019-01-18 | 2021-11-04 | Iview Displays (Shenzhen) Company Ltd. | Vibrating mirror adjustment apparatus, system and method, and projector |
| WO2022017272A1 (en) * | 2020-07-21 | 2022-01-27 | 深圳光峰科技股份有限公司 | Light source device, imaging device and display device |
| CN114740625A (en) * | 2022-04-28 | 2022-07-12 | 珠海莫界科技有限公司 | Optical machine, control method of optical machine and AR near-to-eye display device |
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| CN108074512A (en) * | 2016-11-18 | 2018-05-25 | 中兴通讯股份有限公司 | Projecting method and device |
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| US10798354B2 (en) | 2018-03-20 | 2020-10-06 | Delta Electronics, Inc. | Projection display apparatus and method for controlling the same |
| US20210344884A1 (en) * | 2019-01-18 | 2021-11-04 | Iview Displays (Shenzhen) Company Ltd. | Vibrating mirror adjustment apparatus, system and method, and projector |
| US11950029B2 (en) * | 2019-01-18 | 2024-04-02 | Iview Displays (Shenzhen) Company Ltd. | Vibrating mirror adjustment apparatus, system and method, and projector |
| CN110365956A (en) * | 2019-06-03 | 2019-10-22 | 歌尔股份有限公司 | A kind of projection arrangement |
| WO2022017272A1 (en) * | 2020-07-21 | 2022-01-27 | 深圳光峰科技股份有限公司 | Light source device, imaging device and display device |
| CN112859496A (en) * | 2021-03-22 | 2021-05-28 | 青岛海信激光显示股份有限公司 | Projection imaging system |
| CN114740625A (en) * | 2022-04-28 | 2022-07-12 | 珠海莫界科技有限公司 | Optical machine, control method of optical machine and AR near-to-eye display device |
| WO2023207577A1 (en) * | 2022-04-28 | 2023-11-02 | 珠海莫界科技有限公司 | Optical engine, control method for optical engine, and ar near-eye display apparatus |
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| CN106094409B (en) | 2017-11-21 |
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