CN104796641A - Spectacle type and free type two-in-one stereoscopic television set - Google Patents
Spectacle type and free type two-in-one stereoscopic television set Download PDFInfo
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- CN104796641A CN104796641A CN201510164960.6A CN201510164960A CN104796641A CN 104796641 A CN104796641 A CN 104796641A CN 201510164960 A CN201510164960 A CN 201510164960A CN 104796641 A CN104796641 A CN 104796641A
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Abstract
The invention discloses a spectacle type and free type two-in-one stereoscopic television set which comprises a mainboard of a television set, a data processing circuit, a driving circuit of a liquid crystal grating, the liquid crystal grating, a display liquid crystal driving circuit, a display liquid crystal screen and a spectacle synchronous transmitter. The liquid crystal grating can work in a passive mode of a transparent glass mode or an active mode of a slit grating mode under the control of the driving circuit of the liquid crystal grating; the mainboard of the television set is further used for outputting spectacle synchronous signals to the spectacle synchronous transmitter and outwardly transmitting the spectacle synchronous signals, so that 3D (three-dimensional) spectacles can receive the synchronous signals under the control of the main board of the television set, left-eye images can be seen an observer via the left eye, and right-eye images can be seen by the observer via the right eye. The spectacle type and free type two-in-one stereoscopic television set has the advantages that the spectacle type and free type two-in-one stereoscopic television set not only has merits of low crosstalk and good 3D effects when spectacle type 3D television sets are used for 3D experience, but also has a merit that users do not need to wear spectacles when watching free type 3D television sets, and the problem of impaired image resolution due to lenticular grating films adhered to the existing free type 3D television sets can be solved.
Description
Technical field
The present invention relates to field of household appliances, in particular a kind of spectacle and the two-in-one spatical television set of free style.
Background technology
Current market exists three-dimensional display or the TV of two types, one is goggle-type stereoscopic 3 D display, and another kind is free style (i.e. bore hole) three-dimensional display.Goggle-type stereoscopic 3 D display needs wearing spectacles to experience 3D effect, very inconvenient, but has the advantage that when experiencing 3D, crosstalk is little, stereoeffect is good.And free style three-dimensional display need not can experience 3D effect by wearing spectacles, but there is the shortcoming that crosstalk is large, stereoeffect is poor.
In addition, free style three-dimensional display on the market, adopts pad pasting mode mostly, and namely paste a kind of diaphragm being called column mirror grating at LCD, this film can reduce the definition of image, and image resolution ratio is badly damaged in 2 d mode.
Commercial free style stereoscopic TV, its LCDs surface mount has Grating Film, generally adopts cylindrical lens grating film, and because cylindrical lens grating film has refraction action to light, cause image resolution ratio impaired, as domestic TV, consumer is beyond affordability.Commercial free style stereoscopic TV is mainly used in advertisement, distribution of multimedia information platform, has powerful visual impact, has better the effect of publicity.The shortcoming that commercial free style stereoscopic TV is fatal has been pasted Grating Film and caused resolution of displayed images to decline.
As previously mentioned, spectacle 3D TV has the advantage that crosstalk is little, 3D effect is good, and free style 3D TV need not can obtain 3D experience by wearing spectacles.These advantages have on two different TVs, could not show on same TV.And free style 3D TV in 2 d mode image resolution ratio be badly damaged.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of spectacle and the two-in-one spatical television set of free style, the advantage that when namely having a spectacle 3D television experience 3D, crosstalk is little, 3D effect is good, having again free style 3D TV need not the advantage of wearing spectacles, meanwhile, the existing free style 3D TV problem that image resolution ratio is impaired is in the passive mode also solved.
Technical scheme of the present invention is as follows:
A kind of spectacle and the two-in-one spatical television set of free style, wherein, comprising: TV SKD, data processing circuit, liquid crystal grating drive circuit, liquid crystal grating, display liquid crystal display drive circuit, display liquid crystal display screen, glasses synchronous transmitter;
Described TV SKD is used for the vision signal be connected accessing the various forms that signal source interface inputs with signal source interface, and the vision signal converting consolidation form to exports to data processing circuit;
Described data processing circuit is connected with described TV SKD, can process output two type data, be by TV SKD export video frequency signal processing become view data export to display liquid crystal display drive circuit, two are the data processing circuits corresponding control signal exported to liquid crystal grating drive circuit and is connected with described TV SKD;
Display liquid crystal display drive circuit is connected with described data processing circuit, for the treatment of and provide the view data and backlight that show form needed for liquid crystal display screen, to control showing liquid crystal screen display image;
Liquid crystal grating drive circuit is connected with described data processing circuit, for controlling liquid crystal grating, makes liquid crystal grating be operated in the passive mode of clear glass pattern or the active mode of slit grating pattern;
Liquid crystal grating is connected with liquid crystal grating drive circuit, can in the active mode work of the passive mode of clear glass pattern or slit grating pattern;
Display liquid crystal display screen is connected with described display liquid crystal display drive circuit, for showing image.
Glasses synchronous transmitter is connected with described TV SKD, for launching glasses synchronous signal;
Described TV SKD also for exporting glasses synchronous signal to glasses synchronous transmitter, externally launches glasses synchronous signal, and receive synchronizing signal with control 3D glasses, the left eye realizing observer sees left-eye image, and right eye sees eye image.
Described spectacle and the two-in-one spatical television set of free style, wherein, also comprise: for providing the power circuit of power supply for each circuit module, described power circuit is connected with described TV SKD, data processing circuit, display liquid crystal display drive circuit respectively.
Described spectacle and the two-in-one spatical television set of free style, wherein, also comprise: 3D glasses.
Described spectacle and the two-in-one spatical television set of free style, wherein, also comprise: the signal source interface be connected with described TV SKD, for accessing various video source.
Described spectacle and the two-in-one spatical television set of free style, wherein, described data processing circuit comprises: interconnective programmable logic device FPGA and storage chip DDR3;
Described programmable logic device FPGA mono-aspect is used for control provides multiple views 3D rendering data to display liquid crystal display drive circuit, to drive display liquid crystal display displays images by display liquid crystal display drive circuit; Be used for providing grating control signal to slit grating, to control the mode of operation of liquid crystal grating on the other hand.
Described spectacle and the two-in-one spatical television set of free style, wherein, the display screen of described display liquid crystal display screen to be frequency be 120Hz, its physical resolution is 3840*2160 pixel.
Spectacle provided by the present invention and the two-in-one spatical television set of free style, the two-in-one stereoscopic TV of the present invention, can be operated in 2D pattern, spectacle 3D pattern and free style 3D pattern.Being switched to 2D pattern, is exactly a ultra high-definition 4K TV, and resolution reaches the physical resolution of display liquid crystal display screen, there is not resolution damaged phenomenon; Be switched to spectacle 3D pattern, have that crosstalk is little, the good advantage of 3D effect; Be switched to free style 3D pattern, need not wearing spectacles, be applicable to many people viewing.
Accompanying drawing explanation
Fig. 1 is spectacle and the two-in-one spatical television set functional schematic block diagram of free style of the embodiment of the present invention.
Embodiment
The invention provides a kind of spectacle and the two-in-one spatical television set of free style, for making object of the present invention, technical scheme and effect clearly, clearly, referring to accompanying drawing examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the two-in-one spatical television set block diagram of spectacle of the present invention and free style, as shown in Figure 1, the spectacle of the embodiment of the present invention and the two-in-one spatical television set of free style comprise: TV SKD 22, data processing circuit 23, liquid crystal grating drive circuit 24, liquid crystal grating 25, display liquid crystal display drive circuit 26, display liquid crystal display screen 27, power circuit 28, glasses synchronous transmitter 29,3D glasses 21, and signal source interface 20.
Described TV SKD 22 is for being connected with signal source interface 20, and by the vision signal of the various forms of access signal source interface input, the vision signal converting consolidation form to exports to data processing circuit 23.
Described data processing circuit 23 is connected with described TV SKD 22, data processing circuit can process output two type data, be by TV SKD export video frequency signal processing become view data export to display liquid crystal display drive circuit 26, two be that corresponding control signal is exported to liquid crystal grating drive circuit 24.
Display liquid crystal display drive circuit 26 is connected with described data processing circuit 23, for the treatment of and provide the view data of form and backlight needed for display liquid crystal display screen, to control to show image showing on liquid crystal display screen 27;
Liquid crystal grating drive circuit 24 is connected with described data processing circuit 23, for controlling liquid crystal grating 25, makes liquid crystal grating 25 be operated in the passive mode of clear glass pattern or the active mode of slit grating pattern;
Liquid crystal grating 25 is connected with liquid crystal grating drive circuit 24, and liquid crystal grating can in the active mode work of the passive mode of clear glass pattern or slit grating pattern;
Display liquid crystal display screen 27 is connected with described display liquid crystal display drive circuit 26, for showing image.
Glasses synchronous transmitter 29 is connected with described TV SKD, for launching glasses synchronous signal;
Described TV SKD 22 also for exporting glasses synchronous signal to glasses synchronous transmitter 29, externally launches glasses synchronous signal, and receive synchronizing signal with control 3D glasses, the left eye realizing observer sees left-eye image, and right eye sees eye image.
Described power circuit 28 is for providing power supply for each circuit module, and described power circuit is connected with described TV SKD, data processing circuit, display liquid crystal display drive circuit respectively.
3D glasses are used for user under spectacle 3D television mode and watch 3D video.
Described signal source interface 20 is connected with described TV SKD 22, for accessing various video source.
Further, described spectacle and the two-in-one spatical television set of free style, described data processing circuit comprises: interconnective programmable logic device FPGA and storage chip DDR3;
Described programmable logic device FPGA mono-aspect is used for control provides multiple views 3D rendering data to display liquid crystal display drive circuit, to drive display liquid crystal display displays images by display liquid crystal display drive circuit; Be used for providing grating control signal to slit grating, to control the mode of operation of liquid crystal grating on the other hand.
And in the embodiment of the present invention, the display screen of described display liquid crystal display screen to be frequency be 120Hz, its physical resolution is 3840*2160 pixel.
The spectacle of the embodiment of the present invention and the two-in-one spatical television set of free style, its operation principle is summarized as follows:
In order to the effect obtained, in the embodiment of the present invention, display liquid crystal display screen requires it is 120Hz screen, and physical resolution is 3840*2160 pixel, reaches ultra high-definition level.
To paste cylindrical lens grating film different from commercial free style stereoscopic TV, stereoscopic TV of the present invention adopts liquid crystal grating 25, liquid crystal grating 25 has two kinds of mode of operations, under passive mode, liquid crystal grating is equivalent to one block of clear glass, observer is through the image on this block glass viewing display liquid crystal display screen, resolution or definition can not be impaired, for 2D pattern or spectacle 3D pattern; Under active mode, liquid crystal grating is equivalent to one piece of slit grating, for free style 3D pattern.
Signal source interface 20 for accessing various conventional video source, as DVD, Set Top Box, computer, USB, network video stream etc.The two-in-one stereoscopic TV of the present invention has 3 kinds of mode of operations: 2D pattern, spectacle 3D pattern and free style 3D pattern, and user selects mode of operation by remote controller, and 2D pattern and spectacle 3D pattern are equivalent to common TV, belong to prior art, no longer applies and states.
Below the operation principle of free style 3D pattern:
The vision signal of the various forms that signal source inputs by described TV SKD 22, converts unified form to data processing circuit 23.Described data processing circuit 23 exports two type data, and one is view data to display liquid crystal display drive circuit 26, and another kind is that control signal is to liquid crystal grating drive circuit 24.Display liquid crystal display drive circuit provides view data and the backlight of form needed for display liquid crystal display screen 6, at display liquid crystal screen display image.Liquid crystal grating drive circuit 24 controls liquid crystal grating 25, makes it be operated in active mode (being equivalent to slit grating).Power circuit 28 provides the power supply required for each circuit board.
Data processing circuit 23 is core contents of the present invention, and it forms primarily of programmable logic device FPGA and high speed storing chip DDR3.The FPGA just dispatched from the factory is " blank " integrated circuit (IC), according to functional requirement, after " writing code, compiled code ", obtain " recordable paper ", then after recordable paper being write FPGA by download cable, FPGA is exactly an IC having specific function, reusable.Download different files, FPGA practical function is just different, and namely FPGA is the IC that a function can customize.
Data processing circuit 23 provides multiple views 3D rendering data to display liquid crystal display drive circuit, then drives display liquid crystal display displays images.The pixel of multiple views 3D rendering data demand image must contraposition accurate with slit grating, is to obtain the necessary condition that better free style 3D experiences.
And the operation principle of spectacle 3D pattern and free style 3D pattern are almost, distinguish as follows: liquid crystal grating drive circuit 24 controls liquid crystal grating 25, make it be operated in passive mode (being equivalent to clear glass).Data processing circuit 23 provides spectacle 3D rendering data to display liquid crystal display drive circuit 26, then drives display liquid crystal display screen 27 to show image.TV SKD 22 also exports glasses synchronous signal to glasses synchronous transmitter 29, external transmitting glasses synchronous signal, glasses synchronous transmitter 29 receives synchronizing signal, ensures that the left eye of observer sees left-eye image, right eye sees eye image, obtains correct 3D and experiences.
In sum, the two-in-one stereoscopic TV of the present invention, can be operated in 2D pattern, spectacle 3D pattern and free style 3D pattern.Being switched to 2D pattern, is exactly a ultra high-definition 4K TV, and resolution reaches the physical resolution of display liquid crystal display screen, there is not resolution damaged phenomenon; Be switched to spectacle 3D pattern, have that crosstalk is little, the good advantage of 3D effect; Be switched to free style 3D pattern, need not wearing spectacles, be applicable to many people viewing.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (6)
1. spectacle and the two-in-one spatical television set of free style, is characterized in that, comprising: TV SKD, data processing circuit, liquid crystal grating drive circuit, liquid crystal grating, display liquid crystal display drive circuit, display liquid crystal display screen, glasses synchronous transmitter;
Described TV SKD is used for being connected with signal source interface, will accessing the vision signal of the various forms that signal source interface inputs, and the vision signal converting consolidation form to exports to data processing circuit;
Described data processing circuit is connected with described TV SKD, for can process output two type data, be by TV SKD export video frequency signal processing become view data export to display liquid crystal display drive circuit, two be that corresponding control signal is exported to liquid crystal grating drive circuit;
Display liquid crystal display drive circuit is connected with described data processing circuit, for the treatment of and provide the view data and backlight that show form needed for liquid crystal display screen, to control showing liquid crystal screen display image;
Liquid crystal grating drive circuit is connected with described data processing circuit, for controlling liquid crystal grating, makes liquid crystal grating be operated in the passive mode of clear glass pattern or the active mode of slit grating pattern;
Liquid crystal grating is connected with liquid crystal grating drive circuit, can in the active mode work of the passive mode of clear glass pattern or slit grating pattern;
Display liquid crystal display screen is connected with described display liquid crystal display drive circuit, for showing image;
Glasses synchronous transmitter is connected with described TV SKD, for launching glasses synchronous signal;
Described TV SKD also for exporting glasses synchronous signal to glasses synchronous transmitter, externally launches glasses synchronous signal, and receive synchronizing signal with control 3D glasses, the left eye realizing observer sees left-eye image, and right eye sees eye image.
2. spectacle according to claim 1 and the two-in-one spatical television set of free style, it is characterized in that, also comprise: for providing the power circuit of power supply for each circuit module, described power circuit is connected with described TV SKD, data processing circuit, display liquid crystal display drive circuit respectively.
3. spectacle according to claim 1 and the two-in-one spatical television set of free style, is characterized in that, also comprise: 3D glasses.
4. spectacle according to claim 1 and the two-in-one spatical television set of free style, is characterized in that, also comprise: the signal source interface be connected with described TV SKD, for accessing various video source.
5. spectacle according to claim 1 and the two-in-one spatical television set of free style, it is characterized in that, described data processing circuit comprises: interconnective programmable logic device FPGA and storage chip DDR3;
Described programmable logic device FPGA mono-aspect is used for control provides multiple views 3D rendering data to display liquid crystal display drive circuit, to drive display liquid crystal display displays images by display liquid crystal display drive circuit; Be used for providing grating control signal to slit grating, to control the mode of operation of liquid crystal grating on the other hand.
6. spectacle according to claim 1 and the two-in-one spatical television set of free style, is characterized in that, the display screen of described display liquid crystal display screen to be frequency be 120Hz, its physical resolution is 3840*2160 pixel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510164960.6A CN104796641B (en) | 2015-04-09 | 2015-04-09 | Spectacle and the two-in-one spatical television set of free style |
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| CN201510164960.6A CN104796641B (en) | 2015-04-09 | 2015-04-09 | Spectacle and the two-in-one spatical television set of free style |
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| CN111508447A (en) * | 2020-04-27 | 2020-08-07 | 上海济丽信息技术有限公司 | Image time sequence control circuit of grating type naked eye 3D liquid crystal screen based on FPGA |
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| CN104796641B (en) | 2018-11-30 |
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