CN102087414A - Array-type partition projection method - Google Patents
Array-type partition projection method Download PDFInfo
- Publication number
- CN102087414A CN102087414A CN 201010529040 CN201010529040A CN102087414A CN 102087414 A CN102087414 A CN 102087414A CN 201010529040 CN201010529040 CN 201010529040 CN 201010529040 A CN201010529040 A CN 201010529040A CN 102087414 A CN102087414 A CN 102087414A
- Authority
- CN
- China
- Prior art keywords
- screen
- laser
- module
- little
- scanning mirror
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to an array-type partition projection method which comprises the following steps: dividing an image to be projected into 2*2 independent small videos or small images according to the image distribution position, the small videos or small images being respectively distributed in the first, the second, the third and the fourth quadrants of the original image; and respectively transmitting the four small videos or small images to the input terminal of a video conversion module of a miniature array-type laser scanning projection device, which is used for projecting each small video or small image on a screen according to the distribution positions thereof on the original image. The method can achieve high-resolution and large-screen projection by use of the existing miniature scanning projection device, and the method can project high-resolution high-definition program on a large screen.
Description
Technical field
The present invention relates to a kind of projecting method, particularly relate to a kind of employing miniature array laser scanning projection device and carry out array subregion projecting method.
Background technology
At present, based on the laser scanning micro projection equipment of MEMS (Microelectromechanical Systems, MEMS (micro electro mechanical system)) micro scanning mirror and LASER Light Source, it is little to have a volume, and the brightness height such as need not focus at advantage, extensively is applied.
Wherein, a used core component is exactly the MEMS micro scanning mirror that is used for two dimensional laser scanning, and it comprises movable catoptron and makes the actuator (Actuator) of catoptron around X-axis and Y-axis high-speed rotation.Its structure has two kinds usually: (1) single twin shaft micro scanning mirror that universal joint (Gimbal) is arranged or do not have universal joint (Gimbal-less), comprise that a short scan axle (X-axis) is used for line scanning and a slow scanning axle (Y-axis) is used for field scan, two axles are mutually orthogonal; (2) two single shaft micro scanning mirrors, one of them scanning mirror are responsible for line scanning (being X-axis scanning), and it is realized finishing by fast-loop driver; The single shaft micro scanning mirror that another quadrature is placed is finished slower field scan (Y-axis scanning).
At present, the laser scanning micro projection equipment limit that can reach is: the resolution of VGA (640X480) or WVGA (848X480) and the refresh rate (field-scanning period) of 60Hz.The resolution of image and refresh rate mainly are subjected to the restriction of the line-scanning frequency and the laser modulation frequency of micro scanning mirror, in general, the sweep frequency of micro scanning mirror is high more, its scanning angle is more little, this just means, in the nearer application scenario of distance screen, can't obtain enough big projected image.Along with popularizing of giant-screen, resolution is 1080p (1920X1080) @60Hz and 720p (the high definition program emerge in multitude of 1280X720) @60Hz, existing mini laser scanning projector equipment can't satisfy people to high resolving power, the demand of large screen projection, for example, in order to satisfy 1080p (1920X1080) @60Hz, the line-scanning frequency of the micro scanning mirror of mini laser scanning projector equipment need reach 64.8KHz, the modulating frequency of its laser instrument need reach when 1080p and be about 124.4MHz, when 720p, also to reach 55.3MHz, under high like this sweep frequency and modulating frequency, not only the micro scanning mirror is difficult to obtain enough big practical scanning angle when scanning, for microlaser, also reached the technological limit of its modulating frequency simultaneously.The laser scanning micro projection equipment of prior art can't be that ((the high definition program of 1280X720) @60Hz carries out projection imaging to 1080p for 1920X1080) @60Hz and 720p to resolution at all, how to utilize the device of existing scientific and technological level, realization is carried out large screen projection to high-resolution high definition program, has become the problem that people need solution badly.
Summary of the invention
Purpose of the present invention just provides a kind of array subregion projecting method, this method can be utilized the miniscanning projection device of prior art level, realize high resolving power, large screen projection, adopt this method can realize large screen projection high-resolution high definition program.
For achieving the above object, the present invention adopts technical scheme to be: it may further comprise the steps:
1) will need the image segmentation of projection to become 2*2 independently little screen or little image, described little screen or little image are to cut apart according to the distributing position of image, and described little screen or little image are respectively the images that is distributed in original image the 1st, 2,3,4 quadrants;
2) four little screens that step 1) obtained or little image transfer to the input end of the screen modular converter of miniature array laser scanning projection device respectively simultaneously, described miniature array laser scanning projection device is used for little screen or the little image that will obtain,, project on the screen at the distributing position of original image according to each little screen or little image;
Described miniature array laser scanning projection device comprises with lower member: screen modular converter, laser light source module, Laser Driven modulation module, analog micromirror module, micro scanning mirror control module and screen; Screen modular converter output terminal is connected with the input end of Laser Driven modulation module with the analog micromirror module respectively, the output terminal of Laser Driven modulation module is connected with the input end of laser power supply module, the output terminal of analog micromirror module is connected with the input end of MEMS micro scanning mirror, the laser projections that laser light source module sends is on the moving reflector face of MEMS micro scanning mirror, after the reflection of moving reflector face, be incident upon on the screen;
Described screen modular converter is used to receive divided little screen or little image, and the screen signal that becomes the little screen that receives or little image transitions Laser Drive modulation circuit and micro scanning mirror control circuit to discern and to control; It is made of four screen change-over circuits, and each screen change-over circuit is responsible for receiving the little screen of a quadrant or the screen signal of little image, and transmits this screen signal simultaneously and give Laser Driven modulation module and micro scanning mirror control module.
Described Laser Driven modulation module is used to accept the screen signal from the output of screen modular converter, is used for controlling the laser instrument in the laser light source module; It is corresponding with four screen change-over circuits in the screen modular converter respectively by four Laser Driven modulation circuits, and each Laser Driven modulation circuit only is responsible for receiving the screen signal that the screen change-over circuit corresponding with it sent;
Described laser light source module is finished laser projections work according to the drive control signal of Laser Driven modulation module, it is to be the laser constitution that the 2*2 array way is arranged by four, each laser instrument is corresponding one by one with described Laser Driven modulation circuit, only finishes laser projections work according to the drive control signal of corresponding Laser Driven modulation circuit;
Described micro scanning mirror control module is used to receive the screen signal of sending from the screen modular converter, and carries out scanning work according to obtaining screen signal controlling micro scanning mirror module; It is to be made of four micro scanning mirror control circuits, and is corresponding one by one with described screen change-over circuit;
Described analog micromirror module realizes line scanning and field scan according to the control command of micro scanning mirror control module, and it is made up of four monolithic MEMS micro scanning mirrors that are the arrangement of 2*2 array way; The corresponding micro scanning mirror control circuit of each monolithic MEMS micro scanning mirror is used to finish the scanning of institute's respective quadrants image or screen.
Principle of work of the present invention is such: the image segmentation described in the step 1, and can adopt hardware module to realize, can realize that also belonged to prior art, the present invention does not state tired by software; Image after over-segmentation is the little image that lays respectively at the 1st, 2,3,4 quadrants, the image of each quadrant is all distinguished corresponding one group of mini laser scanning equipment independently, every group independently miniscanning equipment finish separately scanning work, at last with image projection on a big screen; We are that example is done concrete elaboration with the screen of a 1920x1080@60Hz, screen for a 1920x1080@60Hz, at first adopt image Segmentation Technology the image segmentation module segmentation to be become the little screen of 4 960x540@60Hz, this is the 1st, 2,3,4 quadrants that four little screens lay respectively at image, the resolution of the little screen of each quadrant and refresh rate are such: each little screen all has 540 horizontal scanning lines, every horizontal scanning line comprises 960 points, so the Laser Modulation frequency of each little screen is 540x960x60=31.104MHz; For each monolithic MEMS micro scanning mirror, the sweep frequency of its line scanning only is required to be the sawtooth wave of 540x60=32.4KHz, and its sweep frequency is 60 sawtooth wave.From above-mentioned data as can be known, with respect to each little screen, the mini laser scanning device of prior art is enough to satisfy the projection demand.Therefore even under the very near situation of space length, adopt mini laser scanning projector equipment of the present invention, also can realize the drop shadow effect of high resolving power, giant-screen.Because in the analog micromirror module of the present invention, the gap between per two monolithic MEMS micro scanning mirrors is very little, when being incident upon on the screen, therefore the actual gap between four quadrantal diagram pictures can ignore less than 1mm, does not influence imaging effect.Complete machine works together actual just as four platform independent but the little projector of synchronous working.
The present invention has following advantage owing to adopted technique scheme:
1, utilizes the miniscanning projection device and the laser instrument of prior art level, realized high resolving power, large screen projection;
2, reduced the miniscanning projection device of prior art level and the performance requirement of laser instrument;
3, simple in structure, easy and simple to handle, be easy to realize.
Description of drawings
Fig. 1 is the structural representation of the used miniature array laser scanning projection device of the present invention;
The synoptic diagram that Fig. 2 scans under the sawtooth wave drive waveforms for the present invention;
The sawtooth wave oscillogram that Fig. 3 adopts for the present invention;
The synoptic diagram that Fig. 4 scans under the triangular wave drive waveforms for the present invention;
Fig. 5 is a triangular wave oscillogram of the present invention;
Fig. 6 is the structured flowchart of the used miniature array laser scanning projection device of the present invention;
Embodiment
The invention will be further described below in conjunction with drawings and Examples: as Fig. 1-shown in Figure 6, it may further comprise the steps:
1) will need the image segmentation of projection to become 2*2 independently little screen or little image, described little screen or little image are to cut apart according to the distributing position of image, and described little screen or little image are respectively the images that is distributed in original image the 1st, 2,3,4 quadrants;
2) four little screens that step 1) obtained or little image transfer to the input end of the screen modular converter of miniature array laser scanning projection device respectively simultaneously, described miniature array laser scanning projection device is used for little screen or the little image that will obtain,, project on the screen at the distributing position of original image according to each little screen or little image;
Described miniature array laser scanning projection device comprises with lower member: screen modular converter 2, laser light source module 3, Laser Driven modulation module 4, analog micromirror module 6, micro scanning mirror control module 5 and screen 7; Screen modular converter 2 output terminals are connected with the input end of Laser Driven modulation module 4 with analog micromirror control module 5 respectively, the output terminal of Laser Driven modulation module 4 is connected with the input end of laser power supply module 3, the output terminal of analog micromirror control module 5 is connected with the input end of monolithic MEMS micro scanning mirror 9, the laser projections that laser light source module 3 sends is on the moving reflector face of monolithic MEMS micro scanning mirror 9, after the reflection of moving reflector face, be incident upon on the screen;
Described Laser Driven modulation module 4 is used to accept the screen signal from 2 outputs of screen modular converter, is used for controlling the laser instrument 8 in the laser light source module 3; It is made of four Laser Driven modulation circuits, and is corresponding with four screen change-over circuits in the screen modular converter 2 respectively, and each Laser Driven modulation circuit only is responsible for receiving the screen signal that the screen change-over circuit corresponding with it sent;
Described laser light source module 3 is finished laser projections work according to the drive control signal of Laser Driven modulation module 4, it is made up of four laser instruments 9 that are the arrangement of 2*2 array way, each laser instrument is corresponding one by one with described Laser Driven modulation circuit, only finishes laser projections work according to the drive control signal of corresponding Laser Driven modulation circuit;
Described micro scanning mirror control module 5 is used to receive the screen signal of sending from screen modular converter 2, and carries out scanning work according to obtaining screen signal controlling micro scanning mirror module; It is to be made of four micro scanning mirror control circuits, and is corresponding one by one with described screen change-over circuit;
Described analog micromirror module 6 realizes line scanning and field scan according to the control command of micro scanning mirror control module 5, and it is made up of four monolithic MEMS micro scanning mirrors 9 that are the arrangement of 2*2 array way; Each monolithic MEMS micro scanning mirror 9 corresponding micro scanning mirror control circuit is used to finish the scanning of institute's respective quadrants image or screen.
Image segmentation described in the step 1 of the present invention can adopt hardware module to realize, also can realize by software, has belonged to prior art, and the present invention does not state tired; Principle of work of the present invention is such: the image after over-segmentation is the little image that lays respectively at the 1st, 2,3,4 quadrants, the image of each quadrant is all distinguished corresponding one group of mini laser scanning equipment independently, every group independently miniscanning equipment finish separately scanning work, at last with image projection on a big screen; We are that example is done concrete elaboration with the screen of a 1920x1080@60Hz, screen for a 1920x1080@60Hz, at first adopt image Segmentation Technology the image segmentation module segmentation to be become the little screen of 4 960x540@60Hz, this is the 1st, 2,3,4 quadrants that four little screens lay respectively at image, the resolution of the little screen of each quadrant and refresh rate are such: each little screen all has 540 horizontal scanning lines, every horizontal scanning line comprises 960 points, so the Laser Modulation frequency of each little screen is 540x960x60=31.104MHz; For each monolithic MEMS micro scanning mirror, the sweep frequency of its line scanning only is required to be the sawtooth wave of 540x60=32.4KHz, and its sweep frequency is 60 sawtooth wave.From above-mentioned data as can be known, with respect to each little screen, the mini laser scanning device of prior art is enough to satisfy the projection demand.Therefore even under the very near situation of space length, adopt mini laser scanning projector equipment of the present invention, also can realize the drop shadow effect of high resolving power, giant-screen.Because in the analog micromirror module of the present invention, the gap between per two monolithic MEMS micro scanning mirrors is very little, when being incident upon on the screen, therefore the actual gap between four quadrantal diagram pictures can ignore less than 1mm, does not influence imaging effect.Complete machine works together actual just as four platform independent but the little projector of synchronous working.
Monolithic MEMS micro scanning mirror used in the inventive method is the cross-compound arrangement that is provided with a transverse axis and a vertical axes, moving reflector face on the monolithic MEMS micro scanning mirror is under the control of control circuit, carry out deflection around transverse axis and vertical axes, when moving reflector face during around transverse axis deflection, realize line scanning, when moving reflector face during, realize field scan around vertical axes deflection.
The described moving reflector face of the inventive method is (0-45) degree around the mechanical deflection angle of axle deflection.
Angle between the center line of analog micromirror module of the present invention and the center line of laser light source module is greater than 0 degree and less than 90 degree.
Angle between the center line of analog micromirror module of the present invention and the center line of laser light source module is 35 degree-55 degree.
Angle between the center line of analog micromirror module of the present invention and the center line of laser light source module is 40 degree-50 degree.
Angle between the center line of analog micromirror module of the present invention and the center line of laser light source module is 45 degree.
Described screen modular converter is used to receive divided little screen or little image, and the screen signal that becomes the little screen that receives or little image transitions Laser Drive modulation circuit and micro scanning mirror control circuit to discern and to control; It is made of four screen change-over circuits, each screen change-over circuit is responsible for receiving the little screen of a quadrant or the screen signal of little image, and transmit this screen signal simultaneously and give the analog micromirror module, described analog micromirror module is formed the 2X2 array by 4 twin shafts (transverse axis and vertical axes) MEMS micro scanning mirror, wherein every biaxial MEMS micro scanning mirror is only finished single quadrant scanning, and four biaxial MEMS micro scanning mirrors are finished the scanning of four quadrants respectively.By combination, 2X2 array analog micromirror module can be finished the four-quadrant scanning that monolithic twin shaft micro scanning mirror can be finished equally, but its scanning angle and scope are more than 4 times of monolithic biaxial MEMS micro scanning mirror.
Each laser is thought highly of and is comprised that red, green, blue three look laser instruments and being used to finish the optical element that light beam focused on and closed bundle.
The center line of the center line of analog micromirror module and laser light source module array angle at 45.The laser projections that laser light source module sends is incident upon on the screen after being refracted 90 ° on the moving reflector of analog micromirror module.
The monolithic MEMS micro scanning mirror of miniature array of the present invention laser scanning projection device is provided with a transverse axis and a vertical axes, moving reflector face on the micro scanning mirror control circuit control MEMS micro scanning mirror carries out deflection around transverse axis and vertical axes, when moving reflector face during around transverse axis deflection, realize line scanning, when moving reflector face during, realize field scan around vertical axes deflection; The mechanical deflection angle of described moving reflector face is that 0 degree is to 45 degree.
As shown in Figure 3: the micro scanning mirror control circuit in the micro scanning mirror control module adopts the sawtooth wave waveform to drive the transverse axis and the vertical axes of MEMS micro scanning mirror, wherein X passage is the line scanning passage, promptly drive transverse axis deflection, make monolithic MEMS micro scanning mirror finish horizontal line scanning, the Y passage is the field scan passage, promptly drive vertical axes deflection, make monolithic MEMS micro scanning mirror finish field scan.Sawtooth wave drive waveforms with the MEMS micro scanning mirror that scans second quadrant is an example, and during no drive signal, the incident point of MEMS micro scanning mirror is positioned at the true origin position of screen.After applying drive signal, the projection light of being responsible for the MEMS micro scanning mirror of scanning second quadrant at first is positioned at the upper left side of each quadrant, and along with the deflection of the movable reflecting surface of MEMS micro scanning mirror gradually to the scanning of the upper right side of screen, when finishing delegation's horizontal scanning, the incident point of monolithic MEMS micro scanning mirror can be got back to the left side of screen fast, and under the effect of Y channels drive signal, move down a fragment position, starting point as next bar horizontal scanning line, so repeatedly, until the finishing image scanning of this quadrant.
The driving ripple of the micro scanning mirror control circuit of miniature array of the present invention laser scanning projection device can also be triangular wave, and the driving ripple in the described micro scanning mirror control circuit is sawtooth wave or triangular wave.MEMS micro scanning mirror adopts the triangular voltage sweep synoptic diagram shown in Fig. 4-5; Wherein Fig. 5 is the triangular wave drive waveforms of monolithic MEMS micro scanning mirror, and wherein X passage is the line scanning passage, and the Y passage is the field scan passage.We are that example is set forth with the micro scanning mirror of being responsible for scanning II quadrant, during no drive signal, and the true origin position of the projection light sensing screen of micro scanning mirror.After applying drive signal, the micro scanning mirror at first points to the upper left side of second quadrant of screen, finishes the horizontal scanning of first row from left to right; After finishing a horizontal scanning line, under the driving of sweep signal on the scene, the moving reflector face of micro scanning mirror is around vertical axes deflection, make the luminous point that is incident upon on the screen move down a position, retouch the horizontal scanning (from right to left promptly) that at the uniform velocity is reversed the second row pixel, when the micro scanning mirror is finished the second sweep trace, and when getting back to the screen left side, the forward scan (from left to right) of beginning the third line.So go round and begin again.Like this, the line-scanning frequency of MEMS micro scanning mirror reduces half under triangular wave drives.
Screen of the present invention is cut apart module and can be adopted software to realize, also can adopt hardware to realize, has belonged to prior art, so this is not repeated again in the present invention.
Claims (8)
1. array subregion projecting method, it is characterized in that: it may further comprise the steps:
1) will need the image segmentation of projection to become 2*2 independently little screen or little image, described little screen or little image are to cut apart according to the distributing position of image, and described little screen or little image are respectively the images that is distributed in original image the 1st, 2,3,4 quadrants;
2) four little screens that step 1) obtained or little image transfer to the input end of the screen modular converter of miniature array laser scanning projection device respectively simultaneously, described miniature array laser scanning projection device is used for little screen or the little image that will obtain,, project on the screen at the distributing position of original image according to each little screen or little image;
Described miniature array laser scanning projection device comprises with lower member: screen modular converter, laser light source module, Laser Driven modulation module, analog micromirror module, micro scanning mirror control module and screen; Screen modular converter output terminal is connected with the input end of Laser Driven modulation module with the analog micromirror module respectively, the output terminal of Laser Driven modulation module is connected with the input end of laser power supply module, the output terminal of analog micromirror module is connected with the input end of MEMS micro scanning mirror, the laser projections that laser light source module sends is on the moving reflector face of MEMS micro scanning mirror, after the reflection of moving reflector face, be incident upon on the screen;
Described screen modular converter is used to receive divided little screen or little image, and the screen signal that becomes the little screen that receives or little image transitions Laser Drive modulation circuit and micro scanning mirror control circuit to discern and to control; It is made of four screen change-over circuits, and each screen change-over circuit is responsible for receiving the little screen of a quadrant or the screen signal of little image, and transmits this screen signal simultaneously and give Laser Driven modulation module and micro scanning mirror control module.
Described Laser Driven modulation module is used to accept the screen signal from the output of screen modular converter, is used for controlling the laser instrument in the laser light source module; It is corresponding with four screen change-over circuits in the screen modular converter respectively by four Laser Driven modulation circuits, and each Laser Driven modulation circuit only is responsible for receiving the screen signal that the screen change-over circuit corresponding with it sent;
Described laser light source module is finished laser projections work according to the drive control signal of Laser Driven modulation module, it is to be the laser constitution that the 2*2 array way is arranged by four, each laser instrument is corresponding one by one with described Laser Driven modulation circuit, only finishes laser projections work according to the drive control signal of corresponding Laser Driven modulation circuit;
Described micro scanning mirror control module is used to receive the screen signal of sending from the screen modular converter, and carries out scanning work according to obtaining screen signal controlling micro scanning mirror module; It is to be made of four micro scanning mirror control circuits, and is corresponding one by one with described screen change-over circuit;
Described analog micromirror module realizes line scanning and field scan according to the control command of micro scanning mirror control module, and it is made up of four monolithic MEMS micro scanning mirrors that are the arrangement of 2*2 array way; The corresponding micro scanning mirror control circuit of each monolithic MEMS micro scanning mirror is used to finish the scanning of institute's respective quadrants image or screen.
2. array subregion projecting method according to claim 1, it is characterized in that: monolithic MEMS micro scanning mirror used in this method is the cross-compound arrangement that is provided with a transverse axis and a vertical axes, moving reflector face on the monolithic MEMS micro scanning mirror is under the control of control circuit, carry out deflection around transverse axis and vertical axes, when moving reflector face during around transverse axis deflection, realize line scanning,, realize field scan when moving reflector face during around vertical axes deflection.
3. array subregion projecting method as claimed in claim 2 is characterized in that: described moving reflector face is (0-45) degree around the mechanical deflection angle of axle deflection.
4. as claim 1,2 or 3 described array subregion projecting methods, it is characterized in that: the angle between the center line of described analog micromirror module and the center line of laser light source module is greater than 0 degree and less than 90 degree.
5. array subregion projecting method as claimed in claim 4 is characterized in that: the angle between the center line of described analog micromirror module and the center line of laser light source module is 35 degree-55 degree.
6. array subregion projecting method as claimed in claim 4 is characterized in that: the angle between the center line of described analog micromirror module and the center line of laser light source module is 40 degree-50 degree.
7. array subregion projecting method as claimed in claim 4 is characterized in that: the angle between the center line of described analog micromirror module and the center line of laser light source module is 45 degree.
8. as claim 1,2,3,5,6 or 7 described array subregion projecting methods, it is characterized in that: the driving ripple in the described micro scanning mirror control circuit is sawtooth wave or triangular wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010529040 CN102087414B (en) | 2010-11-03 | 2010-11-03 | Array-type partition projection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010529040 CN102087414B (en) | 2010-11-03 | 2010-11-03 | Array-type partition projection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102087414A true CN102087414A (en) | 2011-06-08 |
| CN102087414B CN102087414B (en) | 2012-12-26 |
Family
ID=44099286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010529040 Expired - Fee Related CN102087414B (en) | 2010-11-03 | 2010-11-03 | Array-type partition projection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102087414B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117001A (en) * | 2010-11-03 | 2011-07-06 | 徐英舜 | Minisize array-type laser-scanning projection device |
| CN102540671A (en) * | 2012-02-15 | 2012-07-04 | 凝辉(天津)科技有限责任公司 | Optical-driving separation type mini-type laser projector |
| CN102984446A (en) * | 2011-09-05 | 2013-03-20 | 联想(北京)有限公司 | Image acquisition device and image acquisition method |
| CN103777450A (en) * | 2014-01-06 | 2014-05-07 | 吴震 | Light emitting device, projection display device and light emitting system |
| CN103777445A (en) * | 2014-01-06 | 2014-05-07 | 吴震 | Projection display device |
| CN108810310A (en) * | 2018-03-15 | 2018-11-13 | 成都理想境界科技有限公司 | A kind of scan imaging method and scanned imagery device |
| CN109950793A (en) * | 2019-05-10 | 2019-06-28 | 苏州长光华芯半导体激光创新研究院有限公司 | VCSEL array light source system based on MEMS micromirror scanning |
| CN109980502A (en) * | 2019-05-10 | 2019-07-05 | 苏州长光华芯半导体激光创新研究院有限公司 | VCSEL single-shot luminous point light-source system based on MEMS micromirror scanning |
| CN111198442A (en) * | 2015-10-09 | 2020-05-26 | 麦克赛尔株式会社 | Head-up display device |
| WO2021212647A1 (en) * | 2020-04-23 | 2021-10-28 | 歌尔股份有限公司 | Display method, display device, and computer-readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123916A (en) * | 1994-04-30 | 1996-06-05 | 大宇电子株式会社 | Thin film actuated mirror array |
| US20030151833A1 (en) * | 2002-01-14 | 2003-08-14 | Arthur Berman | Design of prism assemblies and kernel configurations for use in projection systems |
| US20040218162A1 (en) * | 2003-04-30 | 2004-11-04 | Whitney Theodore R. | Roll printer with decomposed raster scan and X-Y distortion correction |
| CN1567019A (en) * | 2000-08-03 | 2005-01-19 | 反射公司 | Projection TV with improved micromirror array |
| CN101647291A (en) * | 2007-04-12 | 2010-02-10 | 汤姆森特许公司 | Biaxial mirror color selecting micro mirror imager |
-
2010
- 2010-11-03 CN CN 201010529040 patent/CN102087414B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123916A (en) * | 1994-04-30 | 1996-06-05 | 大宇电子株式会社 | Thin film actuated mirror array |
| CN1567019A (en) * | 2000-08-03 | 2005-01-19 | 反射公司 | Projection TV with improved micromirror array |
| US20030151833A1 (en) * | 2002-01-14 | 2003-08-14 | Arthur Berman | Design of prism assemblies and kernel configurations for use in projection systems |
| US20040218162A1 (en) * | 2003-04-30 | 2004-11-04 | Whitney Theodore R. | Roll printer with decomposed raster scan and X-Y distortion correction |
| CN101647291A (en) * | 2007-04-12 | 2010-02-10 | 汤姆森特许公司 | Biaxial mirror color selecting micro mirror imager |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117001A (en) * | 2010-11-03 | 2011-07-06 | 徐英舜 | Minisize array-type laser-scanning projection device |
| CN102984446A (en) * | 2011-09-05 | 2013-03-20 | 联想(北京)有限公司 | Image acquisition device and image acquisition method |
| CN102540671A (en) * | 2012-02-15 | 2012-07-04 | 凝辉(天津)科技有限责任公司 | Optical-driving separation type mini-type laser projector |
| CN103777450A (en) * | 2014-01-06 | 2014-05-07 | 吴震 | Light emitting device, projection display device and light emitting system |
| CN103777445A (en) * | 2014-01-06 | 2014-05-07 | 吴震 | Projection display device |
| CN103777445B (en) * | 2014-01-06 | 2018-12-25 | 杨毅 | Projection display equipment |
| CN111198442A (en) * | 2015-10-09 | 2020-05-26 | 麦克赛尔株式会社 | Head-up display device |
| CN108810310A (en) * | 2018-03-15 | 2018-11-13 | 成都理想境界科技有限公司 | A kind of scan imaging method and scanned imagery device |
| CN109950793A (en) * | 2019-05-10 | 2019-06-28 | 苏州长光华芯半导体激光创新研究院有限公司 | VCSEL array light source system based on MEMS micromirror scanning |
| CN109980502A (en) * | 2019-05-10 | 2019-07-05 | 苏州长光华芯半导体激光创新研究院有限公司 | VCSEL single-shot luminous point light-source system based on MEMS micromirror scanning |
| WO2021212647A1 (en) * | 2020-04-23 | 2021-10-28 | 歌尔股份有限公司 | Display method, display device, and computer-readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102087414B (en) | 2012-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102087414B (en) | Array-type partition projection method | |
| CN102117001A (en) | Minisize array-type laser-scanning projection device | |
| CN101887175B (en) | Spacial image display | |
| CN104614929B (en) | Multi-image projection display device and multi-image projection method | |
| CN102365573B (en) | Two-mirror scanning system | |
| US6351324B1 (en) | Laser imaging system with progressive multi-beam scan architecture | |
| US10033975B2 (en) | Scanning projector and method for operating a scanning projector | |
| CN102540670A (en) | Miniature single-catoptron and multi-light-source array type laser scanning projection device | |
| CN102540672A (en) | Miniature single-catoptron and single-light-source array type laser scanning projection device | |
| US9800844B2 (en) | Image projection apparatus | |
| US20180047166A1 (en) | Devices and Methods for Providing Depth Mapping with Scanning Laser Image Projection | |
| US10114215B1 (en) | Scanning laser devices with reduced exit pupil disparity | |
| CN102759795A (en) | Image display system and image display method using parallel beam scanning imaging | |
| CN1655049B (en) | Light emitting device projection methods and systems | |
| CN103246140A (en) | Laser projector | |
| CN201892790U (en) | Microarray type laser scanning protection device | |
| CN202443236U (en) | Miniature single-lens single-light-source array type laser scanning projection device | |
| CN202443237U (en) | Micro single-lens multi-lighting array-type laser-scanning projective device | |
| US9414034B2 (en) | Video projection system including multiple local video projection units | |
| US7593151B2 (en) | Display unit and scanning method therefor | |
| CN1224855C (en) | Optical deflector capable of completing field scanning and line scanning at one time as well as device for projecting image with large area | |
| JP2015185973A (en) | projection apparatus | |
| CN110460828B (en) | Micro-electro-mechanical scanning mirror projection system and method | |
| CN109889691B (en) | Synchronization method and synchronization system for scanning imaging | |
| CN113960863A (en) | Display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: NYMPH (TIANJIN) TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XU YINGSHUN Effective date: 20110822 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300221 HEXI, TIANJIN TO: 300384 NANKAI, TIANJIN |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20110822 Address after: 300384 Tianjin Huayuan Industrial Park high tech Zone 2 Alex Hua Tian Road, Torch Hotel, auxiliary building No. 235 Applicant after: Nymph (Tianjin) Technology Co., Ltd. Address before: 300221 Tianjin Hexi District landscape garden 25-2-301 Applicant before: Xu Yingshun |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Nymph (Tianjin) Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20151103 |
|
| EXPY | Termination of patent right or utility model |