CN105204162A - Projection system and control method thereof - Google Patents
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- CN105204162A CN105204162A CN201510640309.1A CN201510640309A CN105204162A CN 105204162 A CN105204162 A CN 105204162A CN 201510640309 A CN201510640309 A CN 201510640309A CN 105204162 A CN105204162 A CN 105204162A
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- 208000003464 asthenopia Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0149—Head-up displays characterised by mechanical features
- G02B2027/0161—Head-up displays characterised by mechanical features characterised by the relative positioning of the constitutive elements
- G02B2027/0163—Electric or electronic control thereof
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
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Abstract
The invention relates to a projection system and a control method thereof, in particular to a projection system capable of automatically simplifying projection content and a control method of the projection system. The control method of the projection system includes the following steps that firstly, first image data are received; secondly, pixel density of the first image data is reduced so that second image data can be formed; thirdly, the second image data are projected to a transparent screen.
Description
This divisional application is 201310395212.X based on application number, and the applying date is on 09 03rd, 2013, and denomination of invention is the divisional application of the Chinese patent application of " a kind of optical projection system and control method thereof ".
Technical field
The invention relates to a kind of optical projection system and control method thereof, especially a kind of optical projection system and control method thereof that automatically can simplify project content.
Background technology
With reference to shown in Fig. 1, for the modular structure schematic diagram of the optical projection system 900 of prior art, optical projection system 900 comprises projector 90 and screen 91, wherein projector 90 is circumscribed with image source 92, this image source 92 is for exporting an image data, directly be projected on screen 91 after this projector 90 receives this image data, checked for user.
At present, above-mentioned optical projection system 900 is applied on transparent screen, such as, on head mounted display or glasses or the helmet.But, along with progress greatly (such as micro-projection) of shadow casting technique, the data on transparent screen of can being presented at is more and more bright-coloured, bright and clear (high pixel), add this kind of projection pattern all comparatively close to the display mode of human eye, the sight line that may affect user on the contrary easily causes human eye to judge the circumstances of surrounding environment by accident, bring certain security risk (such as when driving), and too meticulous project content also easily causes eye fatigue.
Therefore, a kind of new optical projection system of design and control method thereof is necessary, to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide a kind of optical projection system and control method thereof, it can simplify image data to be projected automatically, and the transparency of the image data gone out to make projection is higher, thus is convenient to the use of user.
For reaching above-mentioned order, the invention provides a kind of control method of optical projection system, comprising the following steps:
Step 1, receives the first image data;
Step 2, reduces the picture element density of this first image data to form the second image data;
Step 3, is projected to this second image data on transparent screen.
Preferably, this optical projection system has the first projection mode and the second projection mode; More comprise the following steps before this step 3: select projection mode; And when this second projection mode is selected, this second image data is projected onto on transparent screen, and this first image data is projected onto on transparent screen when this first projection mode is selected; When this first projection mode and this second projection mode switch mutually, the projected area of this optical projection system on this transparent screen is consistent.
Preferably, this optical projection system is for vehicle-mounted or head-mounted display or glasses.
Preferably, in step 2, the picture element density of this first image data reduces and proportionally carries out.
Preferably, in this first image data, definition has the multiple first kind pixel and Equations of The Second Kind pixel that are distributed in distance, in this step 2, is that the picture element density by this Equations of The Second Kind pixel all-transparent being realized this first image data reduces.
Preferably, this first kind pixel and this adjacent Equations of The Second Kind pixel form pixel, and multiple pixel is, and transverse direction or longitudinal arrangement are to form this second image data.
Second technical scheme of the present invention provides a kind of optical projection system, and this optical projection system couples an image source, and wherein this image source is for exporting the first image data; This optical projection system comprises,
Image process unit, couples mutually with this image source, for receiving this first image data and reducing the picture element density of this first image data to form the second image data;
Transparent screen;
Projection arrangement, couples mutually with this image process unit, for receive this second image data and this second image data that projects to this transparent screen;
Wherein, this optical projection system has the second projection mode, and when this optical projection system is in the second projection mode, this projection arrangement projects this second image data on this transparent screen.
Preferably, this image process unit is proportionally reduced by the picture element density of this first image data.
Preferably, in this first image data, definition has the multiple first kind pixel and Equations of The Second Kind pixel that are distributed in distance, and this image process unit is that the picture element density by this Equations of The Second Kind pixel all-transparent process being realized this first image data reduces.
Preferably, this first kind pixel and this adjacent Equations of The Second Kind pixel form pixel, and this second image data is transverse direction or longitudinal arrangement by this pixel multiple and is formed.
Preferably, this optical projection system also has the first projection mode, and when this optical projection system is in this first projection mode, this optical projection system receives and projects this first image data on this transparent screen; When this first projection mode and this second projection mode switch mutually, the projected area of this optical projection system on this transparent screen is consistent.
Preferably, this optical projection system is on vehicle-mounted or head-mounted display or glasses.
Preferably, this projection arrangement is DLP type projector or laser micro-projector.
Compared with prior art, optical projection system of the present invention and control method thereof, it is reduced by the picture element density of the first image data making image source export to form the second image data, and the second image data is projected on transparent screen, thus the content projected on transparent screen is reduced, and then make user can see more surrounding environment information (such as road conditions etc.) through transparent screen, avoid affecting user's sight line and cause the situation judging surrounding environment by accident; In addition, on the other hand, because of the simplification of institute's project content, cause the pixel of optical projection system institute's project content on transparent screen comparatively to simplify (comparatively not meticulous for the first image data), image sight line can be avoided and cause the asthenopic situation of people.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of prior art.
Fig. 2 is the modular structure schematic diagram of optical projection system of the present invention.
The schematic diagram of the first image data that Fig. 3 exports for the image source described in Fig. 2.
The schematic diagram of Fig. 4 rear second formed image data for the first image data shown in Fig. 3 is simplified.
Fig. 4 a is the decomposing schematic representation of the second image data described in Fig. 3.
Another embodiment schematic diagram that Fig. 5 is the second image data described in Fig. 4.
The 3rd embodiment schematic diagram that Fig. 6 is the second image data described in Fig. 4.
Another embodiment schematic diagram of the first image data that Fig. 7 exports for the image source described in Fig. 2.
The schematic diagram of Fig. 8 rear second formed image data for the first image data shown in Fig. 7 is simplified.
Fig. 9 is the schematic flow sheet of the control method of optical projection system of the present invention.
Embodiment
For making there is further understanding to object of the present invention, structure, feature and function thereof, embodiment is hereby coordinated to be described in detail as follows.
With reference to shown in Fig. 2, be the modular structure schematic diagram of optical projection system 100 of the present invention, optical projection system 100 is circumscribed with image source 6, and this image source 6 is for exporting the first image data 4, and this first image data 4 can be document, video or picture etc.When optical projection system 100 detects after this image source 6 exports the first image data 4, can directly project this first image data 4 or project after the first image data 4 simplify processes, checks for user.This optical projection system 100 can for being equipped with the head mounted display or glasses etc. of projection arrangement, can also for being equipped with the onboard system etc. of projection arrangement.
Optical projection system 100 comprises image process unit 1, projection arrangement 2, screen 3.
Image process unit 1, couple mutually with this image source 6, for receiving this first image data 4 of this image source 6 output and the picture element density of this first image data 4 being reduced to form the second image data 5, namely the picture element density of the second image data 5 is less than the picture element density of this first image data 4, and namely relative first image data 4 content of the second image data 5 is less.And the minimizing of the picture element density of this first image data 4 can reach by making the pixel of this first image data 4 selected perform all-transparent process.The pixel column of horizontal pixel column and perpendicular line can be divided in the pixel of this first image document 4.This image process unit 1 is that then at least one selecting pixel column in the pixel column by defined amount every from this first image document 4 also make the row of selection or multiple row carry out all-transparent process, such as, can choose 3 row in every 4 pixel columns and become translucent.Certainly, can also by selecting at least one of pixel column in the pixel column of every defined amount from this first image document 4 and then making the row of selection or multiple row carry out all-transparent process.Wherein, this image process unit 1 is reduced by the picture element density of this first image data 4 according to certain ratio, user such as picture element density can be reduced by 1/2nd, 1/4th, five/first-class, so that can identify this second image data easily.Such as, if the pixel arrangements in the first image data 4 is WWWWWW, be then WBWBWB (also can arrange for WBBWBB) by this image process unit 1 pixel arrangements processed in the second image data 5 of rear formation, wherein W indicates projection data, and B indicates without projection data.
Below in conjunction with specific embodiments, specific description is done to the minimizing form of the picture element density of the first image data 4.
With reference to shown in Fig. 3 and Fig. 4, disclose the pixel comparison figure that the first image data 4 is processed front and back by optical projection system 100.Fig. 3 represents the pixel schematic diagram of the first image data 4, and Fig. 4 represents the pixel distribution schematic diagram of the second image data 5 formed after the first image data 4 processes.For ease of statement, in the present invention, transparence value is defined as 0 to 1, wherein transparence value is 1, be then expressed as all-transparent, transparence value be 0 be then expressed as opaque.This first image data 4 comprises multiple first kind pixel 40 and Equations of The Second Kind pixel 50, this first kind pixel 40 is adjacent with this Equations of The Second Kind pixel 50, and all in longitudinally arranging, (namely some pixel of the first image data 4 is classified as first kind pixel 40, and remaining pixel is classified as Equations of The Second Kind pixel 50, and the width shared by Equations of The Second Kind pixel 50 is 3 times of first kind pixel 40 width, namely Equations of The Second Kind pixel 50 accounts for the ratio of whole pixel (all first kind pixels 40 and Equations of The Second Kind pixel 50 sum) is 75%, when this image process unit 1 processes this first image data 4, that the transparency of this first kind pixel 40 is remained unchanged, and this Equations of The Second Kind pixel 50 is carried out all-transparent process, also before namely image process unit 1 processes the first image data 4, 0 (namely the transparence value of Equations of The Second Kind pixel 50 is, opaque), and image process unit 1 processes when to form the second image data 5 after the first image data 4, the transparence value of Equations of The Second Kind pixel 50 becomes 1 from 0, so can make the partial pixel transparence of this first image data 5, even if also the picture element density of this first image data 4 reduces 3/4ths.Certainly, in practical application, also simplify this first image data by whole pixel (all first kind pixels 40 and the Equations of The Second Kind pixel 50 sum) ratio shared by increase or reduction Equations of The Second Kind pixel 50, all can reach identical effect.In addition preferably, Equations of The Second Kind pixel 50 and first kind pixel 40 form a pixel A (as shown in fig. 4 a), and this first image document 4 and this second image document 5 are made up of the equally distributed multiple pixel A of vertical and horizontal just, so, the minimizing of the density of the pixel of this first image document 4 can be carried out uniformly, thus be convenient to checking of user, and there will not be in disorder situation.
In above-described embodiment, Equations of The Second Kind pixel is not limited to some (individual) pixel column or pixel column of the first image data 4, can also be the one or more pixels in certain row pixel, or is the one or more pixels in certain row pixel.Such as, as shown in Figure 5, second image data 5 comprises multiple first kind pixel 41 and Equations of The Second Kind pixel 51, wherein Equations of The Second Kind pixel 51 distributes around this first kind pixel 41, and the ratio that Equations of The Second Kind pixel 51 accounts for whole pixel is 15/16ths, therefore after Equations of The Second Kind pixel 51 is carried out all-transparent process, the picture element density of the first image data 4 decreases 15/16ths, and is evenly reduce.In addition, the arrangement situation of Equations of The Second Kind pixel and first kind pixel also can be as shown in Figure 6, this first kind pixel 42 of Equations of The Second Kind pixel 52 semi-surrounding, the ratio that Equations of The Second Kind pixel 52 accounts for whole pixel is 3/4ths, therefore, after Equations of The Second Kind pixel 52 is carried out all-transparent process, the picture element density of the first image data 4 decreases 3/4ths.In addition, with reference to the schematic diagram that Figure 7 shows that another embodiment being the first image data, and Fig. 8 is for image process unit is by the schematic diagram of the second image data of formation after the first image data simplification described in Fig. 7, in Fig. 7, the first image data 4 comprises multiple first kind pixel 43 and Equations of The Second Kind pixel 53, Equations of The Second Kind pixel 53 and first kind pixel 43 are all formed in horizontal and vertical formation and are spaced, namely, Equations of The Second Kind pixel 53 is some pixel in some pixel column of the first image data 4, and the ratio that Equations of The Second Kind pixel 53 accounts for whole pixel is 2/6ths, therefore after Equations of The Second Kind pixel 53 is carried out all-transparent process, the picture element density of the first image data decreases 2/6ths.In sum, the density of the pixel of this first image data 4 reduces preferably can proportionally carry out, and also for carry out uniformly, further, adjacent first kind pixel and the arrangement of Equations of The Second Kind pixel having various ways, and are not illustrated with the present invention and are limited.
Screen 3 is transparent screen, and its material can be glass, organic glass, acrylic etc., for showing the first image data 4 or the second image data 5.
Projection arrangement 2, couples mutually with this image process unit 1, receives this first image data 4 and this second image data 5 and this first image data 4 received or this second image data 5 to be projected on this transparent screen 3 for selectivity.When this first image data 4 and this second image data 5 being projected, the projected area of this optical projection system 100 on this transparent screen 3 is consistent.
Projection arrangement can be DLP type projector or micro-laser-projector etc.Certain projection arrangement also can be a part for projector, and such as projection lens is first-class.
In addition, need detailed description, this optical projection system 100 has the first projection mode and the second projection mode.When being in the first projection mode, this projection arrangement 2 receive this first image data 4 and this first image data 4 that projects on this transparent screen 3, check for user the projected picture that pixel is comparatively meticulous.When being in the second projection mode, this projection arrangement 2 receive this second image data 5 and this second image data 5 that projects on this transparent screen 3, check for user the projected picture that relative transparency is higher, simultaneously also pay close attention to external environment by screen 3.
And this optical projection system is in which kind of projection mode, can implement by with under type.Such as, can by optical projection system 100 arrange select button (can for entity button can also be touch button), and then carry out selectivity by user and operate and make optical projection system 100 implement this first projection mode or this second projection mode, such as study, inspection information, play games time, optical projection system 100 is made to enter the first projection mode by select button, and when when driving a vehicle or when feeling tired, then make optical projection system 100 enter the second projection mode by select button, thus the use of user can be convenient to.In addition, optical projection system 100 can also be made to enter applicable projection mode automatically by arranging inductor (not shown in FIG.) in optical projection system 100, such as, displacement transducer can be set in optical projection system 100 and whether be in mobile status to detect optical projection system 100, as detect optical projection system 100 be in mobile status time, then judge that now then user is in mobile status, and then judge that this user also needs the environment (such as environment etc.) around close attention while using optical projection system 100, this optical projection system 100 is then made to automatically perform the second projection mode in such cases, and as detected (change be not subjected to displacement) when optical projection system 100 remains static, then can judge that user watches screen 3 attentively at wholwe-hearted, and then judge that user does not need to pay close attention to environment around (such as, user playing games, learn or inspection information time), then make this optical projection system 100 automatically perform the first projection mode in such cases.Moreover, can also by automatically calculating by optical projection system 100 the time t1 that this user watches this transparent screen continuously attentively, when this time, t1 was greater than a certain preset time t 0, this optical projection system 100 enters the second projection mode automatically, project this second image data 5 on screen 3, thus reduce the fineness of the picture of display on screen 3, avoid the visual fatigue of user, also reminding effect is played to user simultaneously.In addition, can mutually switch when this first projection mode and this second projection mode, if such as user reaches the regular hour in lasting use first projection mode, optical projection system 100 can automatically switch to the second projection mode, certainly, manually can also be switched by user.Also or, also can be manually switched to the first projection mode (such as, after driving a period of time, in rest gap) when user uses the second projection mode, the inductor certainly also carried by optical projection system and realize automatically switching.It should be noted that, when this first projection mode and this second projection mode switch mutually, the projected area of this optical projection system on this transparent screen is consistent.
By implementing optical projection system of the present invention, the picture element density of first image data that image source can be made to export reduces to form the second image data, and the second image data is projected on transparent screen, thus the content projected on transparent screen is reduced, and then make user can see more surrounding environment information (such as road conditions etc.) through transparent screen, avoid affecting user's sight line and cause the situation judging surrounding environment by accident; In addition, on the other hand, because of the simplification of institute's project content, cause the pixel of optical projection system institute's project content on transparent screen comparatively to simplify (comparatively not meticulous for the first image data), image sight line can be avoided and cause the asthenopic situation of people.
With reference to shown in Fig. 9, for the process flow diagram of the control method of a kind of optical projection system of the present invention, this optical projection system is for vehicle-mounted or head-mounted display or glasses, and common, the eyeglass of the windshield of vehicle, the transparent screen of head-mounted display or glasses, as show media, is checked for user.Below in conjunction with the control method of the optical projection system shown in Fig. 2 and Fig. 6 to a kind of optical projection system 100 of the present invention, be further described.As shown in Figure 9, this control method comprises the following steps: step S1, receives the first image data; Step S2, reduces the picture element density of this first image data to form the second image data; Step S3, is projected to this second image data on screen.Concrete description is done below by above-mentioned steps.
Step S1, receives the first image data.Such as, can refer to shown in Fig. 2, optical projection system 100 by coupling mutually with extraneous image source 6, thus obtains the first image data 4 of image source 6 output, and this first image data 4 can be document, picture or video etc.
Step S2, reduces the picture element density of this first image data to form the second image data.Such as, by the image process unit 1 that optical projection system 100 is built-in, the picture element density of this first image data 4 is reduced to form the second image data 5.And the minimizing mode of the picture element density of this first image data 4 can have multiple, but preferably, the picture element density of this first image data should be reduced in proportion, thus make reduce picture element density with the content simplifying this first image data 4, increase by the first image data 4 transparency while the identification of also person easy to use.With reference to shown in Fig. 3 and Fig. 4, disclose the pixel comparison figure that the first image data 4 is processed front and back by optical projection system 100.Fig. 3 represents the pixel schematic diagram of the first image data 4, and Fig. 4 represents the pixel distribution schematic diagram of the second image data 5 formed after the first image data 4 processes.For ease of statement, in the present invention, transparence value is defined as 0 to 1, wherein transparence value is 1, be then expressed as all-transparent, transparence value be 0 be then expressed as opaque.This first image data 4 comprises multiple first kind pixel 40 and Equations of The Second Kind pixel 50, this first kind pixel 40 is adjacent with this Equations of The Second Kind pixel 50, and all in longitudinally arrangement, and the width of Equations of The Second Kind pixel 50 is 3 times of first kind pixel 40 width, namely Equations of The Second Kind pixel 50 accounts for the ratio of whole pixel (all first kind pixels 40 and Equations of The Second Kind pixel 50 sum) is 75%, when this image process unit 1 processes this first image data 4, that the transparency of this first kind pixel 40 is remained unchanged, and this Equations of The Second Kind pixel 50 is carried out all-transparent process, also before namely image process unit 1 processes the first image data 4, 0 (namely the transparence value of Equations of The Second Kind pixel 50 is, opaque), and image process unit 1 processes when to form the second image data 5 after the first image data 4, the transparence value of Equations of The Second Kind pixel 50 becomes 1 from 0, so can make the partial pixel transparence of this first image data 5, even if also the picture element density of this first image data 4 reduces 3/4ths.Certainly, in practical application, also simplify this first image data by whole pixel (all first kind pixels and the Equations of The Second Kind pixel sum) ratio shared by increase or reduction Equations of The Second Kind pixel, all can reach identical effect.In addition preferably, Equations of The Second Kind pixel 50 and first kind pixel 40 form a pixel A (as shown in fig. 4 a), and this first image document 4 and this second image document 5 are made up of the equally distributed multiple pixel A of vertical and horizontal just, so, the minimizing of the density of the pixel of this first image document 4 can be carried out uniformly, thus be convenient to checking of user, and there will not be in disorder situation.
Step S3, is projected to this second image data on screen.Such as, the second image data is projected on transparent screen 3 by the projection arrangement 2 by the optical projection system 100 shown in Fig. 2.
Preferably, before this step S3, also can comprise step further: select projection mode.This optical projection system has the first projection mode and the second projection mode, and when this second projection mode is selected, this second image data is projected onto on transparent screen; And when this first projection mode is selected, this first image data is projected onto on screen.So can be convenient to user according to actual conditions, optionally can use this first projection mode and this second projection mode, thus extend the purposes of this optical projection system.In addition, can mutually switch when this first projection mode and this second projection mode, if such as user reaches the regular hour in lasting use first projection mode, optical projection system 100 can automatically switch to the second projection mode, certainly, manually can also be switched by user.Also or, also can be manually switched to the first projection mode (such as, after driving a period of time, in rest gap) when user uses the second projection mode, the inductor certainly also carried by optical projection system and realize automatically switching.It should be noted that, when this first projection mode and this second projection mode switch mutually, the projected area of this optical projection system on this transparent screen is consistent.
By implementing display system of the present invention and control method, can be reduced by the picture element density of the first image data making image source export to form the second image data, and the second image data is projected on transparent screen, thus the content projected on transparent screen is reduced, and then make user can see more surrounding environment information (such as road conditions etc.) through transparent screen, avoid affecting user's sight line and cause the situation judging surrounding environment by accident; In addition, on the other hand, because of the simplification of institute's project content, cause the pixel of optical projection system institute's project content on transparent screen comparatively to simplify (comparatively not meticulous for the first image data), image sight line can be avoided and cause the asthenopic situation of people.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that the embodiment disclosed limit the scope of the invention.On the contrary, change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.
Claims (10)
1. a control method for optical projection system, is characterized in that, comprises the following steps:
Step 1, receives the first image data;
Step 2, reduces the picture element density of this first image data to form the second image data, and the picture element density of this first image data reduces and proportionally carries out;
Step 3, is projected to this second image data on transparent screen.
2. control method as claimed in claim 1, is characterized in that, this optical projection system is for vehicle-mounted or head-mounted display or glasses.
3. control method as claimed in claim 1, it is characterized in that, in this first image data, definition has the multiple first kind pixel and Equations of The Second Kind pixel that are distributed in distance, in this step 2, is that the picture element density by this Equations of The Second Kind pixel all-transparent being realized this first image data reduces.
4. control method as claimed in claim 3, is characterized in that, this first kind pixel and this adjacent Equations of The Second Kind pixel form pixel, and multiple pixel is, and transverse direction or longitudinal arrangement are to form this second image data.
5. an optical projection system, couples image source, and wherein this image source exports the first image data; It is characterized in that, this optical projection system comprises,
Image process unit, couple mutually with this image source, for receiving this first image data and reducing the picture element density of this first image data to form the second image data, this image process unit is proportionally reduced by the picture element density of this first image data;
Transparent screen;
Projection arrangement, couples mutually with this image process unit, for receive this second image data and this second image data that projects to this transparent screen;
Wherein, this optical projection system has the second projection mode, and when this optical projection system is in the second projection mode, this projection arrangement projects this second image data on this transparent screen.
6. optical projection system as claimed in claim 5, it is characterized in that, in this first image data, definition has the multiple first kind pixel and Equations of The Second Kind pixel that are distributed in distance, and this image process unit is that the picture element density by this Equations of The Second Kind pixel all-transparent process being realized this first image data reduces.
7. optical projection system as claimed in claim 6, is characterized in that, this first kind pixel and this adjacent Equations of The Second Kind pixel form pixel, and this second image data is transverse direction or longitudinal arrangement by this pixel multiple and is formed.
8. optical projection system as claimed in claim 6, is characterized in that, this Equations of The Second Kind pixel around or this first kind pixel distribution of semi-surrounding.
9. optical projection system as claimed in claim 5, is characterized in that, this optical projection system is on vehicle-mounted or head-mounted display or glasses.
10. optical projection system as claimed in claim 5, it is characterized in that, this projection arrangement is DLP type projector or laser micro-projector.
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| CN106707513A (en) * | 2016-12-30 | 2017-05-24 | 武汉华星光电技术有限公司 | VR (virtual reality) system and display equipment thereof |
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| WO2021169789A1 (en) | 2020-02-25 | 2021-09-02 | 青岛海信激光显示股份有限公司 | Projection system, and startup operation method and shutdown operation method for same |
| CN111273511B (en) * | 2020-02-25 | 2022-04-19 | 青岛海信激光显示股份有限公司 | Laser projection system and method for controlling ascending and descending of projection screen |
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Also Published As
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| CN103592764A (en) | 2014-02-19 |
| CN105204162B (en) | 2017-08-25 |
| CN103592764B (en) | 2016-01-20 |
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