CN204256279U - Picture changeover module is used in 3D display - Google Patents
Picture changeover module is used in 3D display Download PDFInfo
- Publication number
- CN204256279U CN204256279U CN201420748639.3U CN201420748639U CN204256279U CN 204256279 U CN204256279 U CN 204256279U CN 201420748639 U CN201420748639 U CN 201420748639U CN 204256279 U CN204256279 U CN 204256279U
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- diffuser screen
- deviation type
- deviation
- combined type
- changeover module
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Abstract
The utility model relates to display technique.Picture changeover module is used in 3D display, comprises a combined type deviation type diffuser screen; Combined type deviation type diffuser screen is in the form of annular discs, and combined type deviation type diffuser screen combined and splicedly to be formed by least three deviation type scattering screens in fan shape, and combined type deviation type diffuser screen can the center axis thereof of winding box-like deviation type diffuser screen; Also comprise a reflex reflector, reflex reflector comprises a reflective surface and a non-reflective surface, and the angle of reflective surface and central axis is less than 90 °.The utility model not only can utilize reflective mirror on central axis to select not in the same time and then the picture of human eye, and can combined type deviation type diffuser screen be passed through, control the vertical segregation of different angles incident raies and dispersion angle and horizontal divergence angle, thus ensure that the eyes of the observer of the differing heights around viewing can observe the stereo-picture be consistent with its viewpoint position.
Description
Technical field
The utility model relates to display technique, is specifically related to bore hole 3D display device.
Background technology
There is a kind of 3D to show, mainly make left and right view be respectively observer's images of left and right eyes by particular separation mode and observe, utilize binocular vision melt picture and produce three-dimensional perception.Although this 3-D display can bring the sense of a kind of deep space virtual three-dimensional to observer, but it only provides discrete vision area and the viewpoint of finite number, and the stereo display of non-natural depth perception, more crucially cannot realize synchronization and watch different stereoscopic picture plane in different positions.
Utility model content
The purpose of this utility model is to provide a kind of 3D display picture changeover module.
The technical matters that the utility model solves can realize by the following technical solutions:
Picture changeover module is used in 3D display, comprises a combined type deviation type diffuser screen, and described combined type deviation type diffuser screen forms by a plurality of deviation type scattering screens that main deviation angle is different are combined and spliced; It is characterized in that, described combined type deviation type diffuser screen is in the form of annular discs, described combined type deviation type diffuser screen shields combined and spliced forming by deviation type scattering that at least three is fan shape, and described combined type deviation type diffuser screen can around the center axis thereof of described combined type deviation type diffuser screen;
Also comprise a reflex reflector, described reflex reflector comprises a reflective surface and a non-reflective surface, and the angle of described reflective surface and described central axis is less than 90 °.
The utility model, reflective mirror on central axis not only can be utilized to select not in the same time and then the picture of human eye, and can combined type deviation type diffuser screen be passed through, control the vertical segregation of different angles incident raies and dispersion angle and horizontal divergence angle, thus ensure that the eyes of the observer of the differing heights around viewing can observe the stereo-picture be consistent with its viewpoint position.
Described reflex reflector can comprise a base, and described base is equipped with a substrate tilted inwards relative to described base, the outside surface of described substrate is coated with reflective membrane, forms described reflective surface.Or the outside of described substrate is adhesive with one at least one piece of plane mirror, form described reflective surface.Described reflex reflector can comprise a light-transmitting prism, is provided with a reflective membrane in described light-transmitting prism, forms described reflective surface.The angle of the central axis of above-mentioned each reflective surface and described combined type deviation type diffuser screen is less than 90 °.
Described reflex reflector is also provided with the first rotating shaft, and the center line of described first rotating shaft and the central axes of described combined type deviation type diffuser screen, described first rotating shaft connects the first drive motor by the first gear train.To drive described axis of rotation by the first drive motor, thus drive described reflex reflector to rotate, complete reflective surface towards selection, and then select the projected picture that drops on described combined type deviation type diffuser screen.
Described parallax type space three-dimensional display device main body can also comprise second drive motor of a driving described combined type deviation type diffuser screen around the center axis thereof of described combined type deviation type diffuser screen.In order to reduce costs further, described combined type deviation type diffuser screen and described reflex reflector can drive altogether, namely only establish a motor, and described motor drives described combined type deviation type diffuser screen and described reflex reflector to rotate simultaneously.
In order to make beholder obtain good natural depth perception, picture changeover module is used in 3D display, also comprises a computing machine, and described computing machine connects the frequency converter of described first drive motor, described second drive motor;
Described computing machine also connects a sensing system, and described sensing system is provided with at least two speed probes, and one of them speed probe is positioned at rotating shaft place of described first drive motor, and another speed probe is positioned at rotating shaft place of described second drive motor.Computing machine obtains the rotation situation of described combined type deviation type diffuser screen and described reflex reflector by speed probe, and then makes coordination to both rotating speeds, according to rotation situation, can regulate the projection frame frequency of projector simultaneously.
Described deviation type scattering sub the screen is made up of grating orientation sawtooth pattern grating parallel to each other and cylindrical grating, described sawtooth pattern grating is made up of multiple triangle column structure continuous arrangement, and described in the sawtooth pattern grating in deviation type scattering screen described in each, the pitch angle of triangle column structure is identical.
Described sawtooth pattern grating is preferably placed at the below of described cylindrical grating.The surface of described triangle column structure can be coated with reflectance coating, forms reflective sawtooth pattern grating.
Accompanying drawing explanation
Fig. 1 is the index path of the utility model a kind of structure in use;
Fig. 2 is the primary structure schematic diagram of the deviation type scattering screen in Fig. 1;
Fig. 3 is the index path of in use another kind of structure of the present utility model;
Fig. 4 is the primary structure schematic diagram of the deviation type scattering screen in Fig. 3.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, setting forth the utility model further below in conjunction with concrete diagram.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, picture changeover module is used in 3D display, comprises a combined type deviation type diffuser screen 1, and combined type deviation type diffuser screen 1 forms by a plurality of deviation type scattering screens that main deviation angle is different are combined and spliced; Combined type deviation type diffuser screen 1 is in the form of annular discs, and combined type deviation type diffuser screen 1 forms by a plurality of deviation type scattering screen in fan shape is combined and spliced, and combined type deviation type diffuser screen 1 can the center axis thereof of winding box-like deviation type diffuser screen 1; Also comprise a reflex reflector 3, reflex reflector 3 comprises a reflective surface and a non-reflective surface, and the angle of reflective surface and central axis is less than 90 °.The utility model, reflective mirror on central axis not only can be utilized to select not in the same time and then the picture of human eye, and can combined type deviation type diffuser screen 1 be passed through, control the vertical segregation of different angles incident raies and dispersion angle and horizontal divergence angle, thus ensure that the eyes of the observer of the differing heights around viewing can observe the stereo-picture be consistent with its viewpoint position.
The utility model in use, can to arrange a plurality of projector 2 around the central axis of combined type deviation type diffuser screen 1, the light beam that each projector 2 projects is identical with the angle of central axis, and the light beam that projects of each projector 2 and central axis spatially exist a joint; Reflex reflector 3 is preferably placed at joint place, like this, reflective surface towards the projected picture of projector 2 drop on combined type deviation type diffuser screen 1, non-reflective surface towards the projected picture of projector 2 do not drop on combined type deviation type diffuser screen 1.
Reflex reflector 3 can comprise a base, and base is equipped with a substrate tilted inwards relative to base, the outside surface of substrate is coated with reflective membrane, forms reflective surface.Or the outside of substrate is adhesive with one at least one piece of plane mirror, form reflective surface.Reflex reflector 3 can comprise a light-transmitting prism, is provided with a reflective membrane in light-transmitting prism, forms reflective surface.The angle of the central axis of above-mentioned each reflective surface and combined type deviation type diffuser screen 1 is less than 90 °.
Reflex reflector 3 is also provided with the first rotating shaft, and the center line of the first rotating shaft and the central axes of combined type deviation type diffuser screen 1, the first rotating shaft connects the first drive motor by the first gear train.To be rotated by the first drive motor drive shaft, thus drive reflex reflector 3 to rotate, complete reflective surface towards selection, and then select the projected picture that drops on combined type deviation type diffuser screen 1.Parallax type space three-dimensional display device main body can also comprise the second drive motor of the center axis thereof of driving combined type deviation type diffuser screen 1 winding box-like deviation type diffuser screen 1.In order to reduce costs further, combined type deviation type diffuser screen 1 and reflex reflector 3 can drive altogether, and namely only establish a motor, motor drives combined type deviation type diffuser screen 1 and reflex reflector 3 to rotate simultaneously.
In order to make beholder obtain good natural depth perception, picture changeover module is used in 3D display, and also comprise a computing machine, computing machine connects the frequency converter of the first drive motor, the second drive motor;
Computing machine also connects a sensing system, and sensing system is provided with at least two speed probes, and one of them speed probe is positioned at rotating shaft place of the first drive motor, and another speed probe is positioned at rotating shaft place of the second drive motor.Computing machine obtains the rotation situation of combined type deviation type diffuser screen 1 and reflex reflector 3 by speed probe, and then makes coordination to both rotating speeds, according to rotation situation, can regulate the projection frame frequency of projector simultaneously.
Deviation type scattering sub the screen is made up of grating orientation sawtooth pattern grating 5 parallel to each other and cylindrical grating 4, sawtooth pattern grating 5 is made up of multiple triangle column structure continuous arrangement, and the pitch angle of the sawtooth pattern grating 5 intermediate cam column structure in each deviation type scattering screen is identical.Sawtooth pattern grating 5 is preferably placed at the below of cylindrical grating 4.The surface of triangle column structure can be coated with reflectance coating 6, forms reflective sawtooth pattern grating 5.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
- Picture changeover module is used in 1.3D display, comprises a combined type deviation type diffuser screen, and described combined type deviation type diffuser screen forms by a plurality of deviation type scattering screens that main deviation angle is different are combined and spliced; It is characterized in that, described combined type deviation type diffuser screen is in the form of annular discs, described combined type deviation type diffuser screen shields combined and spliced forming by deviation type scattering that at least three is fan shape, and described combined type deviation type diffuser screen can around the center axis thereof of described combined type deviation type diffuser screen;Also comprise a reflex reflector, described reflex reflector comprises a reflective surface and a non-reflective surface, and the angle of described reflective surface and described central axis is less than 90 °.
- 2. 3D display picture changeover module according to claim 1, it is characterized in that, described reflex reflector comprises a base, described base is equipped with a substrate tilted inwards relative to described base, the outside surface of described substrate is coated with reflective membrane, forms described reflective surface.
- 3. 3D display picture changeover module according to claim 1, it is characterized in that, described reflex reflector comprises a base, described base is equipped with a substrate tilted inwards relative to described base, the outside of described substrate is adhesive with one at least one piece of plane mirror, forms described reflective surface.
- 4. 3D display picture changeover module according to claim 1, it is characterized in that, described reflex reflector comprises a light-transmitting prism, is provided with a reflective membrane in described light-transmitting prism, forms described reflective surface.
- 5. according to the 3D display picture changeover module in claim 1-4 described in any one, it is characterized in that, described reflex reflector is also provided with the first rotating shaft, the center line of described first rotating shaft and the central axes of described combined type deviation type diffuser screen, described first rotating shaft connects the first drive motor by the first gear train.
- 6. 3D display picture changeover module according to claim 5, it is characterized in that, described parallax type space three-dimensional display device main body also comprises second drive motor of a driving described combined type deviation type diffuser screen around the center axis thereof of described combined type deviation type diffuser screen.
- 7. 3D display picture changeover module according to claim 6, is characterized in that, also comprise a computing machine, and described computing machine connects the frequency converter of described first drive motor, described second drive motor;Described computing machine also connects a sensing system, and described sensing system is provided with at least two speed probes, and one of them speed probe is positioned at rotating shaft place of described first drive motor, and another speed probe is positioned at rotating shaft place of described second drive motor.
- 8. according to the 3D display picture changeover module in claim 1-4 described in any one, it is characterized in that, described deviation type scattering sub the screen is made up of grating orientation sawtooth pattern grating parallel to each other and cylindrical grating, described sawtooth pattern grating is made up of multiple triangle column structure continuous arrangement, and described in the sawtooth pattern grating in deviation type scattering screen described in each, the pitch angle of triangle column structure is identical.
- 9. 3D display picture changeover module according to claim 8, it is characterized in that, described sawtooth pattern grating is positioned at the below of described cylindrical grating.
- 10. 3D display picture changeover module according to claim 8, it is characterized in that, the surface of described triangle column structure is coated with reflectance coating, forms reflective sawtooth pattern grating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420748639.3U CN204256279U (en) | 2014-12-02 | 2014-12-02 | Picture changeover module is used in 3D display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420748639.3U CN204256279U (en) | 2014-12-02 | 2014-12-02 | Picture changeover module is used in 3D display |
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| Publication Number | Publication Date |
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| CN204256279U true CN204256279U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420748639.3U Expired - Fee Related CN204256279U (en) | 2014-12-02 | 2014-12-02 | Picture changeover module is used in 3D display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732749A (en) * | 2017-04-13 | 2018-11-02 | 印正有限公司 | Display device |
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2014
- 2014-12-02 CN CN201420748639.3U patent/CN204256279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732749A (en) * | 2017-04-13 | 2018-11-02 | 印正有限公司 | Display device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20191202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |