CN102520900A - Multilayer display device and display control method thereof - Google Patents
Multilayer display device and display control method thereof Download PDFInfo
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- CN102520900A CN102520900A CN2011104296839A CN201110429683A CN102520900A CN 102520900 A CN102520900 A CN 102520900A CN 2011104296839 A CN2011104296839 A CN 2011104296839A CN 201110429683 A CN201110429683 A CN 201110429683A CN 102520900 A CN102520900 A CN 102520900A
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Abstract
The invention discloses a multilayer display device and a display control method thereof. The multilayer display device comprises a liquid crystal display device, a projection display device and a projector, wherein the projector is arranged on the back side of the liquid crystal display device, and the projection display device is arranged on the surface of the liquid crystal display device. By arranging the liquid crystal display device, the projection display device and one projector, the multilayer display device achieves two-layer image display effect. Compared with the prior art, hardware cost is saved. Compared with a multilayer display device with two projectors, the multilayer display device is more environment-friendly.
Description
Technical field
The present invention relates to the electronic display technology field, in particular a kind of multilayer display device and display control method thereof.
Background technology
The display technique of flat image is ultimate attainment day by day, and indexs such as display brightness, contrast, resolution, color have all had significantly lifting.
Microsoft has proposed a kind of novel man-machine interaction display technique in patent US2009/0219253; Concrete sees shown in the accompanying drawing 1; Through two projector (102 and 103) and a switching diffusion layer (switchable diffusing layer) 104 that possesses mesomorphic state, and additional touch the effect that functional module has realized display image on two-layer different carrier.But, the multilayer display structure of prior art shown in Figure 1, the multilayer display device that needs two projector (as shown in Figure 1 102 and 103) to realize, cost can't reduce, and adopts two projector to realize being unfavorable for economizing on electricity and environmental protection.
Therefore, prior art awaits to improve and development.
Summary of the invention
The technical matters that the present invention will solve is, to the above-mentioned defective of prior art, a kind of multilayer display device and display control method thereof is provided, and it is simple in structure, realizes easily, and has reduced hardware device, has reduced hardware cost, is beneficial to economize on electricity and environmental protection.
The technical scheme that technical solution problem of the present invention is adopted is following:
A kind of multilayer display device wherein, comprising:
Be used for display video image, and possess and see through and by the liquid crystal indicator of two kinds of path channels states;
Be used for seeing through that said liquid crystal indicator is caught projection and the projection display equipment of the projected image that is associated with said video image according to the Projection Display of catching;
And being used to said liquid crystal indicator provides the backlight signal or is used to the projector that said projection display equipment provides the projection source picture signal;
Said projector is arranged on the back side of said liquid crystal indicator, and said projection display equipment is arranged on the surface of said liquid crystal indicator.
Described multilayer display device; Wherein, It also comprises the computer apparatus that is connected with said liquid crystal indicator, projector respectively; On the one hand be used for 120Hz to projector being provided signal, wherein 60Hz is as the picture catching signal of projection display equipment, and the backlight of the white field signal of 60Hz as liquid crystal indicator is provided in addition; Be used for providing the image display signal of 120Hz on the other hand to liquid crystal indicator.
Described multilayer display device, wherein, its also comprise one be arranged on liquid crystal indicator below, be used to obtain the position sensor of projection display equipment position.
Described multilayer display device, wherein, said projector is arranged on the below of said liquid crystal indicator;
Said projection display equipment is removably set on the liquid crystal indicator surface, and the size of said projection display equipment is less than the size of said liquid crystal indicator.
Described multilayer display device, wherein, said liquid crystal indicator comprises polaroid, following polaroid, and is arranged on the layer of liquid crystal molecule between polaroid, the following polaroid.
Described multilayer display device, wherein, said projection display equipment is transparent plastic film or rear-projection curtain.
Described multilayer display device wherein, also comprises the backlight arrangement that is arranged on said liquid crystal indicator below.
Described multilayer display device, wherein, it also comprises a two-way mirror, is used for the projection light source of said projector is reflexed to said liquid crystal indicator.
A kind of display control method based on above-mentioned said multilayer display device wherein, comprises step:
A, when need during through said liquid crystal indicator display video image signal; The controlling computer device provides the backlight signal of white field signal as liquid crystal indicator to projector; Power up to liquid crystal indicator through computer apparatus simultaneously and image display signal is provided, then said liquid crystal indicator display video image;
B, when need through said projection display equipment Projection Display during with projected image that said video image is associated; The controlling computer device stops image display signal to liquid crystal indicator being provided; And the electric field of control liquid crystal indicator is in and closes light path and be in through state; To projector the projection source that is associated with said video image picture signal is provided through computer apparatus simultaneously, projection display equipment sees through the projected image that said liquid crystal indicator is caught projection and is associated with said video image according to the Projection Display of catching.
The display control method of said multilayer display device, wherein,
Said step B also comprises: when projection display equipment moves above liquid crystal indicator; Through one be arranged on liquid crystal indicator below position sensor obtain the particular location of projection display equipment; According to this particular location that obtains, the projected image that is associated with the liquid crystal indicator corresponding position is provided to projector through computer apparatus.
Multilayer display device provided by the present invention and display control method thereof; Through being set, liquid crystal indicator, projection display equipment and a projector can realize two-layer image display effect; Compared with prior art; The economize on hardware cost, and than the multilayer display device of two projector, multilayer display technique device according to the invention more economizes on electricity and environmental protection.
Description of drawings
Fig. 1 is the novel multi-layer display device structural representation of prior art.
Fig. 2 is the structural representation of multilayer display device first embodiment of the present invention.
Fig. 3 is the structural representation of multilayer display device second embodiment of the present invention.
Fig. 4 is the partial structurtes synoptic diagram of multilayer display device the 3rd embodiment of the present invention.
Fig. 5 is the display control method process flow diagram of multilayer display device embodiment of the present invention.
Embodiment
Multilayer display device provided by the present invention and display control method thereof, clearer, clear and definite for making the object of the invention, technical scheme and advantage, below develop simultaneously embodiment to further explain of the present invention with reference to accompanying drawing.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
A kind of multilayer display device of this embodiment; As shown in Figure 2; Mainly comprise: projector 100, liquid crystal indicator 200 and projection display equipment 300, can liquid crystal indicator 200 be interpreted as first display layer, projection display equipment 300 is interpreted as second display layer.
Said projection display equipment 300 and projector 100 positions relatively, be separately positioned on the both sides of said liquid crystal indicator 200, and the position of said projection display equipment 300 is arranged in the drop shadow spread of said projector 100.As shown in Figure 2; Said projector 100 is arranged on the below of said liquid crystal indicator 200; Project fully with 100 image projected of projector on the display surface of liquid crystal indicator 200 and be as the criterion, preferably with projector 100 be arranged on liquid crystal indicator 200 under; Said projection display equipment 300 is removably set on the top of liquid crystal indicator 200, and the size of said projection display equipment 300 is less than the size of said liquid crystal indicator 200.
Wherein, said liquid crystal indicator 200 is used for display video image, and possesses seeing through and end two kinds of path channels states.Said projection display equipment 300 is used for seeing through the projected image that said liquid crystal indicator 200 is caught projection and is associated with said video image according to the Projection Display of catching.
Said projector 100 is used to said liquid crystal indicator and the backlight signal is provided or is used to said projection display equipment the projection source picture signal is provided.
Preferably, said liquid crystal indicator 200 can be LCDs, and said projection display equipment 300 can be for being used to catch the demonstration base material of projection.Concretely; With reference to figure 2; Image and video data show on the projection display equipment 300 of liquid crystal indicator 200 and seizure projection respectively; Institute's content displayed possesses relevance, and what for example show on the liquid crystal indicator 200 is general image, and what show on the projection display equipment 300 is that amplify or associated picture and video part in the LCDs general image.
The picture catching base material of projection display equipment 300 according to the invention can be transparent grog film, also the base material that can load image shows such as rear-projection curtain.The size of projection display equipment 300 size than ground floor liquid crystal indicator 200 in principle is little, and can in officely be intended to liquid crystal indicator 200 tops and move, and its fundamental purpose is in different position display pictures different.
Further; As shown in Figure 2; Described multilayer display device, it also comprises the computer apparatus 101 that is connected with said liquid crystal indicator 200, projector 100 respectively, this computer apparatus 101 is used for 120Hz to projector being provided signal on the one hand; Wherein 60Hz is as the picture catching signal of projection display equipment, and the backlight of the white field signal of 60Hz as liquid crystal indicator is provided in addition; Be used for providing the image display signal of 120Hz on the other hand to liquid crystal indicator.
Projector described in the embodiment of the invention 100 possesses 120Hz or higher refreshing frequency; The external computer apparatus 101 of projector wherein provides video and the picture signal of the 60Hz display image as projection display equipment 300, in addition; The backlight of the white field signal of 60Hz as the first display layer liquid crystal indicator 200 is provided; Projector 100 can be positioned over liquid crystal indicator 200 shown in Figure 2 under the position, regulate the projector focal length, make image form images in projection display equipment 300 positions.
For display of video content on liquid crystal indicator 200 more clearly; Can below liquid crystal indicator 200, place the backlight arrangement 302 that is connected with computer apparatus 101 separately; Like light sources such as CCFL fluorescent tube, LED, luminous through computer apparatus 101 these backlight arrangements 302 of control.
As shown in Figure 2; First display layer be liquid crystal indicator 200 mainly by last polaroid 203, polaroid 201 and be arranged on polaroid 203, descend the layer of liquid crystal molecule 202 between the polaroid 201 to form down, liquid crystal indicator 200 provides independently image/video information.
Described first display layer of the embodiment of the invention is that liquid crystal indicator 200 possesses seeing through and ends two kinds of path channels states; When layer of liquid crystal molecule 202 is in powering state; Because electric field action; Liquid crystal molecule in the layer of liquid crystal molecule is regularly arranged, and light is owing to the effect of polaroid up and down, and liquid crystal indicator 200 is in the light ray cut state; When liquid crystal molecule was in not powering state, liquid crystal molecule twisted, and light is because the effect of polaroid up and down, and liquid crystal indicator 200 is in light and sees through state.
Described multilayer display device, wherein, its also comprise one be arranged on liquid crystal indicator below, be used to obtain the position sensor of projection display equipment position.
Second display layer of the present invention is a projection display equipment 300, is meant that the picture catching material through projection display equipment 300 obtains the image that is seen through liquid crystal indicator 200 by projector 100.As shown in Figure 2; Because first display layer is that liquid crystal indicator 200 displaying contents and second display layer are the correlativity that possesses of projection display equipment 300 displaying contents in the embodiment of the invention; Can be below liquid crystal indicator 200 placement location inductor 301; This position sensor 301 is connected with computer apparatus 101, when projection display equipment 300 is placed on liquid crystal indicator 200 tops, can read the particular location of projection display equipment 300 through this position sensor 301; According to the relevant position, image or the video that is associated with liquid crystal indicator 200 corresponding positions is provided for projector 100 through computer apparatus 101.
Multilayer display device of the present invention; With Fig. 2 is example; Its principle of work process can specifically be explained as follows: the signal of 120Hz is provided for projector 100 through computer apparatus 101; Wherein 60Hz is as the picture catching signal of projection display equipment 300, and the backlight of the white field signal of 60Hz as the first display layer liquid crystal indicator 200 is provided in addition.
When computer apparatus 101 provides the image display signal of 60Hz for projector 100; The liquid crystal indicator 200 of controlling first display layer is in off (closing) at electric field and sees through state even state liquid crystal indicator 200 is in light path; Offer 100 images displayed light of projector through computer apparatus 101 and see through from said liquid crystal indicator 200 this moment; Shine and be used for imaging on the projection display equipment 300 of picture catching projection; At this moment, controlling computer device 101 provides image display signal for liquid crystal indicator 200.
The white field signal that other 60Hz is provided when computer apparatus 101 is during to projector 100; The light that the projector 100 of this moment sends is as the backlight of liquid crystal indicator 200; The image display signal of 60Hz is provided for liquid crystal indicator 200 through computer apparatus 101 simultaneously; At this moment, just can demonstrate corresponding video or image on the liquid crystal indicator 200.Thus; Signal through high refreshing frequency is supplied with; Through the sequential control mode; The white field signal of 60Hz and the image display signal of 60Hz intersect and offer projector 100, and human eye can be seen pictures different or video information on the liquid crystal indicator 200 of first display layer and the projection display equipment 300 that is used for picture catching.
Embodiment further; As shown in Figure 3; Said projector 100 also can be placed on position shown in Figure 3; Reflex on the liquid crystal indicator 200 through two-way mirror 102, the position of projector 100 is provided with equally to project fully on the display surface of liquid crystal indicator 200 with 100 image projected of projector and is as the criterion.Likewise, video and the picture signal of the 60Hz display image as projection display equipment 300 is provided.
The principle of work of Fig. 3 embodiment is: the upper area that the incident light of projector 100 is reflexed to liquid crystal indicator 200 places through two-way mirror 102; 120Hz is provided signal for projector 100 through computer apparatus 101; Wherein 60Hz is as the picture catching signal of projection display equipment 300, and the backlight of the white field signal of 60Hz as liquid crystal indicator 200 is provided in addition.
When need during through said liquid crystal indicator 200 display video image signals; Controlling computer device 101 provides the white field signal of other 60Hz to projector 100; To send the backlight of white light signal through projector 100 as said liquid crystal indicator 200; Power up the image display signal that 60Hz is provided for liquid crystal indicator 200 through computer apparatus 101 simultaneously, on ground floor liquid crystal indicator 200, just can see display image.
When need through said projection display equipment 300 Projection Display during with projected image that said video or image are associated; When controlling computer device 101 provides the image display signal of 60Hz for projector 100; Need control liquid crystal indicator 200 to be in off (closing) and see through state even state liquid crystal indicator 200 is in light path at electric field; Then this moment, computer apparatus 101 offers 100 images displayed light of projector and sees through from said liquid crystal indicator 200, shines imaging on the projection display equipment 300 that is used to catch projected image; At this moment, need controlling computer device 101 to stop image display signal being provided to liquid crystal indicator 200.
Therefore the signal through high refreshing frequency in the embodiment of the invention is supplied with, and through the sequential control mode, its control mode is identical with Fig. 2 embodiment, and human eye can be seen pictures different information on ground floor liquid crystal indicator 200 and picture catching base material.
For example, with reference to figure 2, suppose that the image that computer apparatus 101 outputs to liquid crystal indicator 200 is a picture 1; Projection display equipment 300 is placed on the top position of liquid crystal indicator 200, and the position sensor 301 of liquid crystal indicator 200 belows has been confirmed the position coordinates of projection display equipment 300, and feedback to the computer device 101; Thereby computer apparatus 101 is according to liquid crystal indicator 200 picture displayed 1; Output to projector 100 display frames 2, picture 1 can possess relevance property with picture 2, for example; What picture 1 showed is human body, the skeletal graph at the corresponding position of human body place that picture 2 shows.
Therefore multilayer display device provided by the invention utilizes a projector and a liquid crystal indicator, a projection display equipment to realize the multilayer displaying contents, has reduced hardware cost, and the relevance that improves multi-layer image shows.
Embodiment further; Multilayer display device of the present invention; Can be extended for large scale shows; Adopt many projector in can showing in the multilayer of large scale demonstration and a plurality of relevances; Every zone that projector projects is different; Specifically can show with reference to figure 4; Below a large-sized liquid crystal indicator 200a, many projector (the first projector 100a as shown in Figure 4, the second projector 100b, the 3rd projector 100c, the 4th projector 100d) are set, and above this large-sized liquid crystal indicator 200a, the position of the corresponding respectively said first projector 100a, the second projector 100b, the 3rd projector 100c, the 4th projector 100d is provided with the first projection display equipment 300a, the second projection display equipment 300b, the 3rd projection display equipment 300c, the 4th projection display equipment 300d by a preset distance.And corresponding position is provided with to be respectively applied for and obtains the first projection display equipment 300a, the second projection display equipment 300b, the 3rd projection display equipment 300c, the primary importance inductor 301a of the 4th projection display equipment 300d position, second place inductor 301b, the 3rd position sensor 301c, the 4th position sensor 301d below this large-sized liquid crystal indicator 200a.The principle of work of its principle of work and embodiment shown in Figure 2 is similar, so repeat no more at this.
In order further to improve the characteristic of man-machine interaction; Improve exchanging of user and computing machine plane through multiple point touching; Multilayer display device of the present invention can adopt the LCDs that possesses multi-touch function as liquid crystal indicator 200 carriers; For example can be on liquid crystal indicator 200 loading capacitance formula, resistance-type multi-point touch panel, show the technology such as infrared induction touch-screen, laser plane multiple point touching that also can adopt for large scale.
Based on the foregoing description, the embodiment of the invention also provides a kind of display control method based on above-mentioned said multilayer display device, and is as shown in Figure 5, mainly may further comprise the steps:
Step S810, when need during through said liquid crystal indicator display video image signal; The controlling computer device provides the backlight signal of white field signal as liquid crystal indicator to projector; Power up to liquid crystal indicator through computer apparatus simultaneously and image display signal is provided, then said liquid crystal indicator display video image; Specifically as stated.
Step S820, when need through said projection display equipment Projection Display during with projected image that said video image is associated; The controlling computer device stops image display signal to liquid crystal indicator being provided; And the electric field of control liquid crystal indicator is in and closes light path and be in through state; To projector the projection source that is associated with said video image picture signal is provided through computer apparatus simultaneously, projection display equipment sees through the projected image that said liquid crystal indicator is caught projection and is associated with said video image according to the Projection Display of catching; Specifically as stated.
The display control method of said multilayer display device; Wherein, When projection display equipment moves above liquid crystal indicator; Through one be arranged on liquid crystal indicator below position sensor obtain the particular location of projection display equipment, according to this particular location that obtains, the projected image that is associated with the liquid crystal indicator corresponding position is provided to projector through computer apparatus; Specifically as stated.
In sum; Multilayer display device provided by the present invention and display control method thereof; Through being set, liquid crystal indicator, projection display equipment and a projector can realize two-layer image display effect, compared with prior art, and the economize on hardware cost; And than the multilayer display device of two projector, multilayer display technique device according to the invention more economizes on electricity and environmental protection.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, concerning those of ordinary skills, can improve or conversion that all these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention according to above-mentioned explanation.
Claims (10)
1. a multilayer display device is characterized in that, comprising:
Be used for display video image, and possess and see through and by the liquid crystal indicator of two kinds of path channels states;
Be used for seeing through that said liquid crystal indicator is caught projection and the projection display equipment of the projected image that is associated with said video image according to the Projection Display of catching;
And being used to said liquid crystal indicator provides the backlight signal or is used to the projector that said projection display equipment provides the projection source picture signal;
Said projector is arranged on the back side of said liquid crystal indicator, and said projection display equipment is arranged on the surface of said liquid crystal indicator.
2. multilayer display device according to claim 1; It is characterized in that; It also comprises the computer apparatus that is connected with said liquid crystal indicator, projector respectively; On the one hand be used for 120Hz to projector being provided signal, wherein 60Hz is as the picture catching signal of projection display equipment, and the backlight of the white field signal of 60Hz as liquid crystal indicator is provided in addition; Be used for providing the image display signal of 120Hz on the other hand to liquid crystal indicator.
3. multilayer display device according to claim 1 is characterized in that, its also comprise one be arranged on liquid crystal indicator below, be used to obtain the position sensor of projection display equipment position.
4. multilayer display device according to claim 1 is characterized in that said projector is arranged on the below of said liquid crystal indicator;
Said projection display equipment is removably set on the liquid crystal indicator surface, and the size of said projection display equipment is less than the size of said liquid crystal indicator.
5. multilayer display device according to claim 1 is characterized in that, said liquid crystal indicator comprises polaroid, following polaroid, and is arranged on the layer of liquid crystal molecule between polaroid, the following polaroid.
6. multilayer display device according to claim 1 is characterized in that, said projection display equipment is transparent plastic film or rear-projection curtain.
7. multilayer display device according to claim 1 is characterized in that, also comprises the backlight arrangement that is arranged on said liquid crystal indicator below.
8. multilayer display device according to claim 1 is characterized in that it also comprises a two-way mirror, is used for the projection light source of said projector is reflexed to said liquid crystal indicator.
9. the display control method based on each said multilayer display device of claim 1-8 is characterized in that, comprises step:
A, when need during through said liquid crystal indicator display video image signal; The controlling computer device provides the backlight signal of white field signal as liquid crystal indicator to projector; Power up to liquid crystal indicator through computer apparatus simultaneously and image display signal is provided, then said liquid crystal indicator display video image;
B, when need through said projection display equipment Projection Display during with projected image that said video image is associated; The controlling computer device stops image display signal to liquid crystal indicator being provided; And the electric field of control liquid crystal indicator is in and closes light path and be in through state; To projector the projection source that is associated with said video image picture signal is provided through computer apparatus simultaneously, projection display equipment sees through the projected image that said liquid crystal indicator is caught projection and is associated with said video image according to the Projection Display of catching.
10. according to the display control method of the said multilayer display device of claim 9, it is characterized in that,
Said step B also comprises: when projection display equipment moves above liquid crystal indicator; Through one be arranged on liquid crystal indicator below position sensor obtain the particular location of projection display equipment; According to this particular location that obtains, the projected image that is associated with the liquid crystal indicator corresponding position is provided to projector through computer apparatus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110429683.9A CN102520900B (en) | 2011-12-20 | 2011-12-20 | Multilayer display device and display control method thereof |
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| CN201110429683.9A CN102520900B (en) | 2011-12-20 | 2011-12-20 | Multilayer display device and display control method thereof |
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| CN102520900B CN102520900B (en) | 2015-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015180645A1 (en) * | 2014-05-27 | 2015-12-03 | Mediatek Inc. | Projection processor and associated method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6481851B1 (en) * | 1995-09-20 | 2002-11-19 | Videotronic Systems | Adjustable contrast reflected display system |
| CN102016713A (en) * | 2008-05-02 | 2011-04-13 | 微软公司 | Projection of images onto tangible user interfaces |
| WO2011108847A2 (en) * | 2010-03-04 | 2011-09-09 | 주식회사 토비스 | Multi-layer image display device |
-
2011
- 2011-12-20 CN CN201110429683.9A patent/CN102520900B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6481851B1 (en) * | 1995-09-20 | 2002-11-19 | Videotronic Systems | Adjustable contrast reflected display system |
| CN102016713A (en) * | 2008-05-02 | 2011-04-13 | 微软公司 | Projection of images onto tangible user interfaces |
| WO2011108847A2 (en) * | 2010-03-04 | 2011-09-09 | 주식회사 토비스 | Multi-layer image display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015180645A1 (en) * | 2014-05-27 | 2015-12-03 | Mediatek Inc. | Projection processor and associated method |
| US10136114B2 (en) | 2014-05-27 | 2018-11-20 | Mediatek Inc. | Projection display component and electronic device |
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| CN102520900B (en) | 2015-03-25 |
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