CN102253591A - 3D (three-dimension) projection display system controlled by uniform frame sequence based on LED (light emitting diode) optical communication - Google Patents
3D (three-dimension) projection display system controlled by uniform frame sequence based on LED (light emitting diode) optical communication Download PDFInfo
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- CN102253591A CN102253591A CN2011102236778A CN201110223677A CN102253591A CN 102253591 A CN102253591 A CN 102253591A CN 2011102236778 A CN2011102236778 A CN 2011102236778A CN 201110223677 A CN201110223677 A CN 201110223677A CN 102253591 A CN102253591 A CN 102253591A
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Abstract
The invention discloses a 3D (three-dimension) projection display system controlled by a uniform frame sequence based on LED (light emitting diode) optical communication. the 3D projection display system comprises a 3D projector based on a DLP (digital light process) Link technology, a plurality of active shutter 3D glasses, a screen signal converter and a left and right frame sequences reversing control device; the left and right frame sequences reversing control device is connected with an image signal source; and the screen signal converter is placed at the edge of a projection screen. With the adoption of the left and right frame sequences reversing control device, the adjustment of the left and the right frame sequences can be realized, totally left and right synchronization of all the 3D glasses in the field can be realized; when the left and the right frame sequences are reversed, the frame sequences can be controlled in a centralized way by adjustment of a projectionist.
Description
Technical field
The present invention relates to 3D projection display technique field, particularly a kind of 3D projection display system of controlling based on the unified frame preface of LED optical communication.
Background technology
Existing 3D large screen projection technology main flow is based on the DLP Link technical scheme of TI company research and development, this scheme is to insert a grey menu signal (white pulse) on the basis of DLP projector between the corresponding picture of right and left eyes, the light activated element of 3D glasses front end receives this pulse, just the liquid crystal light valve that carries out left and right sides eyeglass in view of the above replaces on-off action, thereby finishes the synchronization action of 3D glasses and 3D vision signal.But under this scheme, it is left picture or right picture that the 3D glasses can't be distinguished initial picture; And this scheme is subjected to influences such as ambient light interference easily, causes the image that shows on the eyeglass of the left and right sides in reverse order phenomenon to occur, thereby influences viewing quality.So all settle the frame preface to adjust switch on the existing 3D glasses usually, so that spectators in time carry out frame preface adjustment operation when being interfered, to recover normal pictures.But because the part spectators can not carry out this operation, cause watching image reversed left to right always, when situation is serious in addition cause dizziness, bad reaction such as feel sick.
In addition in the prior art, on-the-spot 3D glasses can't be accomplished all strict synchronism, and promptly external interference may cause when receiving some white pulses, and part 3D glasses are opened right liquid crystal light valve switch, and another part 3D glasses then may be opened left liquid crystal light valve switch.So under the existing DLP Link technical background, even on-the-spot staff can switch the frame preface of 3D projector, also the frame preface of theater's glasses display image can't be adjusted unanimity, the frame preface entanglement of 3D glasses needs spectators individual to adjust respectively.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art with not enough, a kind of 3D projection display system of controlling based on the unified frame preface of LED optical communication is provided, adopt DLP Link technology that grey menu signal (being the white pulse signal) is converted to the frame sequence control signal, realize that on-the-spot all 3D glasses are synchronous.
In order to achieve the above object, the present invention is by the following technical solutions:
A kind of 3D projection display system of the unified frame preface control based on the LED optical communication comprises that 3D projector, the fast gate-type 3D glasses of a plurality of active, screen signal converter and left-right frames preface switch control device; Described screen signal converter places the edge of projection screen; Screen signal converter output frame sequence control signal is given initiatively fast gate-type 3D glasses, and all initiatively fast gate-type 3D glasses are realized synchronously; Described left-right frames preface is switched control device and is connected image signal source, is used to control the frame preface of on-the-spot all initiatively fast gate-type 3D glasses display images.
Described left-right frames preface is switched control device and is based on existing Play System, and realization left-right frames preface is switched the functional module of control on the 3D video flowing.
Adopt the mode of wireless light communication between described 3D projector and the screen signal converter.
Adopt the mode of wireless light communication between described screen signal converter and the initiatively fast gate-type 3D glasses, described wireless light communication mode adopts LED as signal optical source.
The fast gate-type 3D glasses of described active comprise communicate optical signal receive window, liquid crystal lens, mirror holder, internal control circuit, rechargeable battery; Described communicate optical signal receive window is placed on the picture frame of the fast gate-type 3D glasses of described active, and described rechargeable battery places mirror holder inside; The communicate optical signal receive window receives the frame sequence control signal of screen signal converter output.
The fast gate-type 3D glasses of described active do not have the adjustment gauge tap of left-right frames preface.
The described 3D employing DLP Link of projector technology.
The present invention has following advantage and effect with respect to prior art:
1, the present invention utilizes the LED wireless light communication to realize the complete left and right sides picture synchronization of on-the-spot all 3D glasses.When the left-right frames preface occurring and put upside down, switch control device by the projectionist by the frame preface and unify control and corrected.
The 3D rendering phenomenon reversed left to right that the 3D glasses occurred easily when 2, the present invention had avoided the DLP-Link scheme disturbed by ambient light creates the 3D video display project effect more more comfortable than prior art.
Description of drawings
Fig. 1 is the structural representation that the present invention unifies the 3D optical projection system of frame preface control,
Fig. 2 is the structural representation of the initiatively fast gate-type 3D glasses of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, a kind of 3D display system of controlling based on the unified frame preface of LED optical communication of present embodiment comprises: 3D projector 1, initiatively fast gate-type 3D glasses 2, screen signal converter 3, left-right frames preface are switched control device 7.Wherein, described screen signal converter 3 is installed in the edge of screen 4; The left-right frames preface is switched control device 7 and is connected with image signal source 6; Described 3D projector 1 adopts DLP Link technology, with the mode projected picture of light, and described 3D projector 1 output image signal, and signal of video signal is projected on the projection screen 4, be presented on the projection screen 4 with the image form.Native system adopts the mode of dual optical communication, wherein adopt the mode of wireless light communication between 3D projector 1 and the screen signal converter 3, in addition, adopt the mode of wireless light communication between screen signal converter 3 and the initiatively fast gate-type 3D glasses 2, this wireless light communication mode adopts LED as signal optical source.
As Fig. 2, the fast gate-type 3D glasses 2 of the active of the embodiment of the invention, comprise communicate optical signal receive window 5, liquid crystal lens 8, mirror holder 9, internal control circuit, rechargeable battery, the adjustment gauge tap of described 3D glasses 2 no left-right frames prefaces, described communicate optical signal receive window 5 is positioned on the picture frame of the fast gate-type 3D glasses of described active.In the present embodiment, rechargeable battery is loaded in mirror holder 9 inside.
Adopt the 3D projector 1 of DLP Link technology between projection left-right frames image, to insert a grey menu; Screen signal converter 3 is the frame sequence control signal with the conversion of signals of the grey menu inserted, and the frame sequence control signal is exported to initiatively fast gate-type 3D glasses 2.After communicate optical signal receive window 5 on the initiatively fast gate-type 3D glasses 2 is sensed the frame sequence control signal, the liquid crystal light valve switch of the initiatively fast gate-type 3D glasses 2 of control, make left and right sides liquid crystal lens 8 be in the alternating state of open and close, thereby on-the-spot all initiatively fast gate-type 3D glasses 2 are realized synchronously.
As shown in Figure 1, the fast gate-type 3D glasses 2 of active that fast gate-type 3D glasses 2 of the active that the projectionist wore and spectators are worn are realized fully synchronously under the frame sequence control signal effect of screen signal converter 3.When left and right sides picture order occurring and put upside down, switch control device 7 by the projectionist by the left-right frames preface, the broadcast frame preface of remedial frames signal source 6, thus make on-the-spot theater can both watch the correct 3D display frame of frame preface.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (6)
1. the 3D projection display system based on the unified frame preface control of LED optical communication is characterized in that, comprises that 3D projector (1), the fast gate-type 3D glasses of a plurality of active (2), screen signal converter (3) and left-right frames preface switch control device (7); Described screen signal converter (3) places the edge of projection screen (4); Screen signal converter (3) output frame sequence control signal is given initiatively fast gate-type 3D glasses (2), and all initiatively fast gate-type 3D glasses (2) are realized synchronously; Described left-right frames preface is switched control device (7) and is connected image signal source (6), is used to control the frame preface of all initiatively fast gate-type 3D glasses display images.
2. the 3D projection display system of controlling based on the unified frame preface of LED optical communication according to claim 1 is characterized in that, adopts the mode of wireless light communication between described 3D projector (1) and the screen signal converter (3).
3. the 3D projection display system of controlling based on the unified frame preface of LED optical communication according to claim 1 and 2, it is characterized in that, adopt the mode of wireless light communication between described screen signal converter (3) and the initiatively fast gate-type 3D glasses (2), described wireless light communication mode adopts LED as signal optical source.
4. the 3D projection display system of controlling based on the unified frame preface of LED optical communication according to claim 1, it is characterized in that the fast gate-type 3D glasses of described active comprise communicate optical signal receive window (5), liquid crystal lens (8), mirror holder (9), internal control circuit and rechargeable battery; Described communicate optical signal receive window (5) is placed on the picture frame of the fast gate-type 3D glasses of described active, and described rechargeable battery places mirror holder (9) inside; Communicate optical signal receive window (5) receives the frame sequence control signal of screen signal converter (3) output.
5. the 3D projection display system of controlling based on the unified frame preface of LED optical communication according to claim 1 is characterized in that the adjustment gauge tap of the no left-right frames preface of the fast gate-type 3D glasses of described active (2).
6. the 3D projection display system of controlling based on the unified frame preface of LED optical communication according to claim 1 is characterized in that described 3D projector (1) adopts DLP Link technology.
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| CN201110223677.8A CN102253591B (en) | 2011-08-05 | 2011-08-05 | 3D (three-dimension) projection display system controlled by uniform frame sequence based on LED (light emitting diode) optical communication |
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| CN201110223677.8A CN102253591B (en) | 2011-08-05 | 2011-08-05 | 3D (three-dimension) projection display system controlled by uniform frame sequence based on LED (light emitting diode) optical communication |
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| CN102253591B CN102253591B (en) | 2013-09-04 |
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Cited By (4)
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| CN102520542A (en) * | 2011-12-29 | 2012-06-27 | 世成电子(深圳)有限公司 | Liquid crystal light valve and manufacture method thereof, as well as pair of 3-dimensional glasses and liquid crystal display equipment |
| CN103379356A (en) * | 2012-04-26 | 2013-10-30 | 宏碁股份有限公司 | Digital optical processor projector and displaying method thereof |
| CN104270195A (en) * | 2014-09-30 | 2015-01-07 | 中国科学院半导体研究所 | Visible light communication device based on LED projection |
| TWI502961B (en) * | 2011-12-20 | 2015-10-01 | Himax Display Inc | Method and system for controlling synchronization of 3d shutter glasses |
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| US6057811A (en) * | 1993-09-28 | 2000-05-02 | Oxmoor Corporation | 3-D glasses for use with multiplexed video images |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI502961B (en) * | 2011-12-20 | 2015-10-01 | Himax Display Inc | Method and system for controlling synchronization of 3d shutter glasses |
| CN102520542A (en) * | 2011-12-29 | 2012-06-27 | 世成电子(深圳)有限公司 | Liquid crystal light valve and manufacture method thereof, as well as pair of 3-dimensional glasses and liquid crystal display equipment |
| CN103379356A (en) * | 2012-04-26 | 2013-10-30 | 宏碁股份有限公司 | Digital optical processor projector and displaying method thereof |
| CN104270195A (en) * | 2014-09-30 | 2015-01-07 | 中国科学院半导体研究所 | Visible light communication device based on LED projection |
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| CN102253591B (en) | 2013-09-04 |
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Inventor after: Chen Changying Inventor after: Li Yuqin Inventor after: Chen Xi Inventor after: Gan Xionglong Inventor after: Chen Xuezhang Inventor after: Yao Manhong Inventor after: Li Ke Inventor before: Chen Changying Inventor before: Li Yuqin Inventor before: Chen Xi |
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Free format text: CORRECT: INVENTOR; FROM: CHEN CHANGYING LI YUQIN CHEN XI TO: CHEN CHANGYING LI YUQIN CHEN XI GAN XIONGLONG CHEN XUEZHANG YAO MANHONG LI KE |
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