CN106094409B - A kind of projection arrangement - Google Patents
A kind of projection arrangement Download PDFInfo
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- CN106094409B CN106094409B CN201610692218.7A CN201610692218A CN106094409B CN 106094409 B CN106094409 B CN 106094409B CN 201610692218 A CN201610692218 A CN 201610692218A CN 106094409 B CN106094409 B CN 106094409B
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- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims description 49
- 230000006698 induction Effects 0.000 claims description 13
- 238000009738 saturating Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract description 13
- 230000002688 persistence Effects 0.000 abstract description 5
- KPHWPUGNDIVLNH-UHFFFAOYSA-M diclofenac sodium Chemical compound [Na+].[O-]C(=O)CC1=CC=CC=C1NC1=C(Cl)C=CC=C1Cl KPHWPUGNDIVLNH-UHFFFAOYSA-M 0.000 description 6
- 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 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009286 beneficial effect 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
- 238000004519 manufacturing process Methods 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
- 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, the device includes：Lighting device, light path guiding device, Projection Display chip and camera lens for guiding the light beam of light combination from lighting device；Also include by driving pre- vibrating elements, the vibrating device for making pre- vibrating elements be vibrated according to pre-set angle and frequency；Wherein, the pre- vibrating elements is the one or more elements and/or Projection Display chip of light path guide device.By the regular vibration of carry out alone or in combination to optical system key element, according to visual persistence phenomenon, pixel caused by Projection Display chip is overlapped, expands visual field, carry out the effective resolution ratio for lifting projected picture.
Description
Technical field
The present invention relates to field of projection display, particularly one kind to carry high-resolution projection arrangement based on vibration.
Background technology
In DLP miniature projector, image is referred to as digital micro-mirror by arranging in matrix on a semiconductor die
The microscopic mirrors small reflector of device (DMD) creates.
Image resolution ratio is an outstanding feature of picture quality, and the resolution ratio of image is higher, shows it closer to true
Scene.The resolution ratio of image is improved mainly by improving hardware device and improving image processing software two ways, wherein improving
The mode of hardware device is mainly the improvement to image image-forming component and optical system.
Existing imaging displacement device, it is made up of, is individually positioned in horizontally and vertically two vibrating mechanisms
Image bang path on, by switching the image space of multiple subgraphs in picture frame time, to improve the definition of image.
This device is complicated using two kinds of vibrating mechanism devices, and substep moves, and process is cumbersome.
Visual persistence phenomenon：In quick motion, after the image that human eye is seen disappears, human eye remains to continue to protect object
It is stayed to influence the image of or so 0.1-0.4 seconds.
The content of the invention
Present invention aims at providing one kind to carry high-resolution projection arrangement based on vibration, by crucial to optical system
The regular vibration of carry out alone or in combination of element, according to visual persistence phenomenon, enters pixel caused by Projection Display chip
Row superposition, while expand visual field, carry out the effective resolution ratio for lifting projected picture.
The technical solution adopted by the present invention is：A kind of projection arrangement, including：Lighting device, illumination dress is come from for guiding
Light path guiding device, Projection Display chip and the camera lens for the light beam of light combination put；Characterized in that, also include shaking in advance by driving
Dynamic element, the vibrating device for making pre- vibrating elements be vibrated according to pre-set angle and frequency；
Wherein, the pre- vibrating elements is the one or more elements and/or Projection Display chip of light path guide device.
Preferably, the vibrating device includes：For limiting the induction mechanism of vibration angle and vibration frequency and for producing
Raw vibrating mechanism of reciprocating vibration；Vibrating mechanism is limited in certain angle by the induction mechanism to shake back and forth by certain frequency
It is dynamic；The vibrating mechanism is connected with pre- vibrating elements.
Preferably, connection is not produced between the pre- vibrating elements and other optical elements so that pre- vibrating elements is carried out
During vibration, other optical elements remain stationary as.
Preferably, the vibrating mechanism and the connected mode of pre- vibrating elements be not limited to directly contact or other modes between
Connect transmission vibration.
Preferably, the Projection Display chip is arranged to dmd chip or LCOS chip, and the pre- vibrating elements is DMD cores
Piece or LCOS chip, the vibrating mechanism are connected with dmd chip or LCOS chip.
Preferably, the vibrating mechanism often vibrates once so that half occurs for the projected image of Projection Display chip
The offset distance of pixel.
Preferably, the light path guide device includes speculum, and the pre- vibrating elements is speculum, the vibrating mechanism
It is connected with speculum.
Preferably, the vibration frequency of the vibrating mechanism of the vibrating device is more than 10 hertz.
Preferably, the light path guiding device includes：Speculum, relay lens, right-angle prism.
Preferably, the lighting device includes：LED light source, collimating lens system, light splitting lens set, fly's-eye lens and
Relay lens.
Preferably, the light splitting lens set includes the first dichronic mirror and the second dichronic mirror that be arranged in parallel, for transmiting or
The light that reflex LED light source is sent, and its parallel is incided in light path guide device.The beneficial effects of the invention are as follows：Pass through
The regular vibration of carry out alone or in combination to optical system key element, according to visual persistence phenomenon, makes Projection Display core
Pixel is overlapped caused by piece, while expands visual field, carrys out the effective resolution ratio for lifting projected picture.
Brief description of the drawings
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 overall system view of the embodiment of the present invention 2；
Fig. 4 is the speculum original state schematic diagram of the embodiment of the present invention 2.
Embodiment
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 lighting device 300, for guiding from photograph
The light path guide device 200 of the light beam of light combination of bright device, Projection Display chip 500, camera lens 100 and pass through the pre- vibration member of driving
Part, the vibrating device (not shown) for making pre- vibrating elements be vibrated according to pre-set angle and frequency.Wherein,
The pre- vibrating elements is the one or more elements and/or Projection Display chip of light path guide device.Can be according to specific feelings
Depending on condition.
In the present embodiment, lighting device 300, it includes：In LED light source, collimating lens system, light splitting lens set, second
After lens 307 and fly's-eye lens or optical wand 306；The LED light source includes：Blue led light source 1, green LED light source 2 and red LED
Light source 3.The three-color LED chip is individually enclosed in three LEDs；Wherein, the feux rouges light path that red LED light source 3 is sent and green
The green glow light path that LED light source 2 is sent is be arranged in parallel, and the blue light paths that blue led light source 1 is sent are sent out perpendicular to red LED light source 3
The green glow light path that the feux rouges light path and green LED light source 2 gone out is sent.
Wherein, the LED light source can also be replaced using other light sources, depending on actual conditions.LED light source three coloured light
Position and order can freely be adjusted according to actual conditions, however it is not limited to described in the present embodiment.
The collimating lens system includes：First collimation lens set 301, the second collimation lens set 302 and the 3rd collimation lens
Group 303, is separately positioned in the light path of blue led light source 1, green LED light source 2 and red LED light source 3, is come from for receiving
Blueness, the natural light of green and red LED light source and by equalizing light rays.
Wherein it is possible to the concrete structure and element and number that set collimating lens system according to being actually needed, it is not
It is limited to described in the present embodiment.
Preferably, the center light of the first collimation lens set 301, the second collimation lens set 302 and the 3rd collimation lens set 303
Central optical axis of the axle respectively with blue led light source 1, green LED light source 2 and red LED light source 3 overlap；Second relay lens 307
Close to speculum 204, the second relay lens 307 and the central optical axis and the first collimation lens set 301 of fly's-eye lens or optical wand 306
Central optical axis overlap.
The light splitting lens set includes：The first dichronic mirror 304 and the second dichronic mirror 305 be arrangeding in parallel, the first dichronic mirror 304
The light of reflection green LED light source 2 and the light of transmitting blue LED light source 1, the second dichronic mirror 305 reflect the light of red LED light source 3
And the light of transmitting blue LED light source 1 and green LED light source 2, realize sent blue, red and green three-color LED light source
Parallel light is transmitted in light path guide device.
The concrete structure and element and number that the light splitting lens set wherein can be set according to being actually needed, it is not
It is limited to described in the present embodiment.
Light path guide device 200, including：Speculum 204, the first relay lens 203, the second right-angle prism 202 and
One right-angle prism 201.Speculum 204 receives the light of the second relay lens 307 come, and it is saturating that light is reflexed into the first relaying
Mirror 203, a right-angle side of the first relay lens 203 and the second right-angle prism 202 are placed in parallel, and the second right-angle prism 202 is oblique
Long side presses close to place with the plagioclase side of the first right-angle prism 201, a right-angle side and the Projection Display chip of the first right-angle prism 201
500 are placed in parallel, and another right-angle side is placed in parallel with camera lens 100.
Wherein it is possible to the concrete structure and element and number that set light path guide device according to being actually needed, it is not
It is limited to described in the present embodiment.
The vibrating device, including：For limiting the induction mechanism of vibration angle and vibration frequency and for producing back and forth
The vibrating mechanism 400A of vibration, vibrating mechanism 400A is limited in certain angle by the induction mechanism to shake back and forth by certain frequency
It is dynamic；The vibrating mechanism 400A is connected with pre- vibrating elements, and it is indirect that connected mode is not limited to directly contact or other modes
Transmit vibration.Vibrating mechanism 400A is connected with Projection Display chip 500, and Projection Display chip 500 is not attached to other elements, is made
Projection Display chip 500 when being vibrated, other optical elements remain stationary as.The vibration angle and vibration frequency are roots
What the angle that the pixel and light of the Projection Display chip used according to projection arrangement reach Projection Display chip determined.
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 completes of reciprocating vibration, certain angle of the induction mechanism limitation in the certain angle that induction mechanism limits
Degree size is determined by the pixel value of Projection Display chip 500, make from Projection Display chip 500 projected image generation two/
The offset distance of one pixel, two images A and A1 as shown in Figure 2 being produced, two images are superimposed as A2 in visual effect, from
And lift brightness and the resolution ratio of picture.
In this embodiment, the Projection Display chip 500 is arranged to dmd chip or LCOS chip or realized throw
The other kinds of chip that shadow is shown.The pre- vibrating elements is dmd chip or LCOS chip or other kinds of Projection Display
Chip.
Embodiment 2
Fig. 3 is the overall system view of the embodiment of the present invention 2, in lighting device 300, light path guide device 200, Projection Display core
In the case that piece 500 and camera lens 100 are constant, the pre- vibrating elements is the speculum 204 in light path guide device 200.It will shake
The vibrating elements 400B of dynamic device is connected with speculum 204, and speculum 204 is not attached to other elements so that speculum 204 enters
During row vibration, other optical elements remain stationary as.
It is illustrated in figure 4 the original state schematic diagram of speculum 204.The central optical axis of Z axis and the second relay lens 307 are put down
OK, Y-axis is vertical with Z axis.In the original state that speculum 204 does not vibrate, the axis L and Z axis of speculum 204 are into 45 degree
Angle；Under the working condition of speculum 204, speculum 204 back and forth deflects certain angle around axis L according to certain frequency, production
Raw vibration.
The vibration of the certain frequency of speculum 204 so that light generation certain frequency and angle through speculum 204 shake
Dynamic, the angle that the frequency and angle reach Projection Display chip 500 according to the pixel and light of Projection Display chip 500 is determined
It is fixed so that the projected image for the image and Projection Display chip 500 for inciding Projection Display chip 500 occur two/
The offset distance of one pixel, two images A and A1 as shown in Figure 2 are produced, two images are superimposed as A2 in visual effect, expand
Big visual field and then raising resolution ratio.
Pre- vibrating elements described in the embodiment of the present invention is aobvious for one or more elements of light path guide device and/or projection
Show chip 500.The pre- vibrating elements is not limited to the Projection Display chip 500 or speculum 204 of the embodiment of the present invention.Also may be used
The pre- vibrating elements of setting is actually needed while for the optics member in Projection Display chip 500 and light path guide device 200 with basis
Part, such as speculum or other elements；Either set pre- vibrating elements and be individually for Projection Display chip 500 or light path guiding dress
Put the optical element in 200.
So, the embodiment of the present invention can be caused not only to be vibrated discrete component, can also makes multiple element group
Regular vibration is carried out during contract, to reach the superposition of pixel, according to visual persistence phenomenon, is made caused by Projection Display chip
Pixel is overlapped, while expands visual field, carrys out the effective resolution ratio for lifting projected picture.
Wherein, in embodiments of the invention, it is preferable that the vibrating mechanism often vibrates once, can make to come from Projection Display
The offset distance of half pixel occurs for the projected image of chip, can so cause the visual effect after migrated image superposition
It is best.Certainly, the distance of skew is not limited to half pixel, can also be according to being actually needed so that the vibrating mechanism often shakes
Move once, the offset distance of other sizes occurs for the projected image of Projection Display chip.
Wherein, in embodiments of the invention, the connected mode of the vibrating mechanism and pre- vibrating elements is not limited to directly connect
Touch or other modes indirect transfer is vibrated.The vibrating mechanism can realize vibration with pre- vibrating elements by directly contacting
Transmission；Wherein described vibrating mechanism can be fixedly connected with only realization with the direct contact of pre- vibrating elements with right and wrong and directly be connect
Touch or both are fixed together realization directly contact；The fixation of wherein described vibrating mechanism and pre- vibrating elements
Connection can be fixed by the mode such as bonding, connector connection.Vibrating mechanism can also be not directly contacted with pre- vibrating elements, and
It is directly to be contacted with vibrating mechanism with pre- vibrating elements respectively by using middle coupling element, middle coupling element, so as to enter
The transmission of row vibration；The wherein direct contact of middle coupling element and vibrating mechanism and middle coupling element and and pre- vibration member
The direct contact of part can be fixedly connected with only realization directly contact with right and wrong or both are fixed together realization directly
Contact；Wherein described be fixedly connected can be fixed by the mode such as bonding, connector connection；Wherein described middle coupling element
The size of element, material, shape are not limited to, as long as vibration can be transmitted between two objects of contact.
Wherein, in embodiments of the invention, the induction mechanism can should be with according to default vibration angle and sensation of frequency
The vibration angle and frequency of vibrating mechanism are controlled, can be the combination of sensor and controller or other kinds of member
Part, as long as it can realize the function of induction mechanism of the embodiment of the present invention；The vibrating mechanism can be in induction mechanism
Control under produce certain frequency element of reciprocating vibration, be not intended to limit the details such as structure and the size of vibrating mechanism, as long as
It can realize the function of vibrating mechanism of the embodiment of the present invention.Wherein, in embodiments of the invention, the induction mechanism can
To be arranged on vibrating mechanism, the induction mechanism can be wholely set with vibrating mechanism；Can also be split settings, by viscous
Connect or connector is fixed together.
Wherein, in embodiments of the invention, the Projection Display chip could be arranged to dmd chip or LCOS chip,
It can be the other kinds of chip for realizing Projection Display.
Above content is to combine the further description that optimal technical scheme is done to the present invention, it is impossible to assert invention
Specific implementation is only limitted to these explanations.For general technical staff of the technical field of the invention, the present invention is not being departed from
On the premise of design, simple deduction can be made and replaced, should all be considered as protection scope of the present invention.
Claims (7)
1. a kind of projection arrangement, including：Lighting device, the light path guiding dress for guiding the light beam of light combination from lighting device
Put, Projection Display chip and camera lens；Characterized in that, also include by driving pre- vibrating elements, make pre- vibrating elements according to
The vibrating device that pre-set angle and frequency is vibrated；
Wherein, the pre- vibrating elements is an element of light path guide device；
The vibrating device includes：For limiting the induction mechanism of vibration angle and vibration frequency and of reciprocating vibration for producing
Vibrating mechanism；Vibrating mechanism is limited in certain angle by the induction mechanism to be vibrated back and forth by certain frequency；The bobbing machine
Structure is connected with pre- vibrating elements；
The light path guide device includes speculum, and the pre- vibrating elements is speculum, the vibrating mechanism and speculum phase
Connection；
Under the working condition of speculum, speculum back and forth deflects certain angle around axis according to certain frequency, produces vibration.
2. projection arrangement according to claim 1, it is characterised in that between the pre- vibrating elements and other optical elements
Connection is not produced so that when pre- vibrating elements is vibrated, other optical elements remain stationary as.
3. according to the projection arrangement described in claims 1, it is characterised in that the connection of the vibrating mechanism and pre- vibrating elements
Mode is not limited to directly contact or the vibration of other modes indirect transfer.
4. projection arrangement according to claim 1, it is characterised in that the vibrating mechanism often vibrates once so that projection
The offset distance of half pixel occurs for the projected image of display chip.
5. projection arrangement according to claim 1, it is characterised in that the vibration frequency of the vibrating mechanism of the vibrating device
More than 10 hertz.
6. projection arrangement according to claim 1, it is characterised in that the light path guiding device includes：Speculum, relaying
Lens, right-angle prism.
7. projection arrangement according to claim 1, it is characterised in that the lighting device includes：LED light source, collimation are saturating
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN106094409A CN106094409A (en) | 2016-11-09 |
| CN106094409B true CN106094409B (en) | 2017-11-21 |
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|---|---|---|---|
| CN201610692218.7A Active CN106094409B (en) | 2016-08-19 | 2016-08-19 | A kind of projection arrangement |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108074512A (en) * | 2016-11-18 | 2018-05-25 | 中兴通讯股份有限公司 | Projecting method and device |
| CN106595713B (en) * | 2016-12-22 | 2019-10-08 | 中国科学院光电技术研究所 | A kind of complex background simulator |
| CN108254908A (en) * | 2016-12-28 | 2018-07-06 | 深圳市光峰光电技术有限公司 | A kind of light-source system and display device |
| CN110082999B (en) * | 2018-01-26 | 2021-11-16 | 中强光电股份有限公司 | Projector, optical engine and pixel shifting device |
| TWI694727B (en) | 2018-03-20 | 2020-05-21 | 台達電子工業股份有限公司 | Projection display apparatus and control method |
| CN111464801B (en) * | 2019-01-18 | 2021-07-16 | 广景视睿科技（深圳）有限公司 | Galvanometer adjusting device, 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 |
| CN113960865A (en) * | 2020-07-21 | 2022-01-21 | 深圳光峰科技股份有限公司 | Light source device, imaging device and display device |
| CN115561954A (en) * | 2021-03-22 | 2023-01-03 | 青岛海信激光显示股份有限公司 | Projection imaging system |
| CN114740625B (en) * | 2022-04-28 | 2023-08-01 | 珠海莫界科技有限公司 | Optical machine, control method of optical machine and AR near-to-eye display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002258213A (en) * | 2001-03-05 | 2002-09-11 | Ricoh Co Ltd | Image displaying apparatus |
| CN100361519C (en) * | 2004-03-17 | 2008-01-09 | 扬明光学股份有限公司 | Projection method for display device |
| CN101142524A (en) * | 2005-03-16 | 2008-03-12 | 松下电器产业株式会社 | Image projector |
| CN102466957A (en) * | 2010-11-12 | 2012-05-23 | 广景科技有限公司 | Compact DLP (Digital Light Processing) mini projector module |
| CN201984275U (en) * | 2011-04-19 | 2011-09-21 | 上海三鑫科技发展有限公司 | Optical engine of micro laser projector |
| CN105700169A (en) * | 2016-04-20 | 2016-06-22 | 苏州全谱光电科技有限公司 | Apparatus for eliminating laser projection speckles |
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2016
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