CN202631857U - Three dimensional (3D) glass system, 3D display device and 3D glasses - Google Patents
Three dimensional (3D) glass system, 3D display device and 3D glasses Download PDFInfo
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- CN202631857U CN202631857U CN 201220169764 CN201220169764U CN202631857U CN 202631857 U CN202631857 U CN 202631857U CN 201220169764 CN201220169764 CN 201220169764 CN 201220169764 U CN201220169764 U CN 201220169764U CN 202631857 U CN202631857 U CN 202631857U
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Abstract
The utility model discloses a three dimensional (3D) glass system, a 3D display device and 3D glasses. The 3D display device comprises a coding emission module, wherein the coding emission module comprises a photoelectric coupling input circuit, a communication bus, an MCU processing circuit and an infrared ray emission circuit; the photoelectric coupling input circuit, the communication bus and the infrared ray emission circuit are separately connected with the MCU processing circuit. Through the above mode, the 3D glasses and the 3D display devices with the same protocol can be in common use.
Description
Technical field
The utility model relates to the display technique field, particularly relates to a kind of 3D glasses system and 3D display device, 3D glasses.
Background technology
Continuous development along with digital video technology; Three-dimensional film and stereotelevision, stereo projector are more and more universal; The principle of work of the 3D glasses that above-mentioned all kinds of 3D (three-dimensional, three-dimensional picture) display device is corresponding with it adopts frame preface time division way to realize that 3D shows usually, is about to the infrared ray of the synchronizing signal of 3D display device through particular modulation; Emission is transferred on the 3D glasses that the beholder wears; The frame preface stereo-picture of display screen of switch and the 3D display device of left and right sides eyeglass is kept synchronously, thereby make the people produce stereoscopic visual effect, can obtain the image of high definition.
Though the fast gate-type 3D glasses of infrared ray become the market mainstream gradually; But; The fast gate-type 3D glasses of traditional infrared ray are because the agreement that each producer uses is different, the parameter of 3D display device is different; And can not be general; Even the 3D rendering that same 3D glasses obtain in the different 3D display devices of same producer produces also has very big difference, and wherein reason is as long as the 3D display device parameter of different model is just slightly had any different, and general 3D glasses can't regulate to reach best viewing effect automatically according to different parameters.
To sum up, in the existing 3D optometric technology, there is following problem:
Between 3D display device and the 3D glasses, though they use agreement of the same race, its requirement for phase place and dutycycle has nothing in common with each other, can not be general between the different 3D display devices of 3D glasses and agreement of the same race thereby cause.
The utility model content
The technical matters that the utility model mainly solves provides a kind of 3D glasses system and 3D display device, 3D glasses, can make the 3D display device of 3D glasses and agreement of the same race general.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of 3D glasses system is provided, comprises: 3D display device and 3D glasses; The 3D display device comprises the coding transmitter module, and the coding transmitter module comprises photoelectricity coupling input circuit, communication bus, MCU treatment circuit and infrared transmitter; Photoelectricity coupling input circuit, communication bus and infrared transmitter connect the MCU treatment circuit respectively; The 3D glasses comprise receiving circuit, control circuit and glasses switching mechanism, and receiving circuit comprises infrared ray receiving demodulation unit and decoding unit; Receiving circuit, control circuit and glasses switching mechanism connect successively, and infrared ray receiving demodulation unit connects decoding unit, and decoding unit connects control circuit.
Wherein, the MCU treatment circuit comprises bus communication interface unit, numerical coding unit and carrier wave unit; Bus communication interface, numerical coding unit and carrier wave unit are connected successively, and, photoelectricity coupling input circuit linking number word code unit, communication bus connecting bus communications interface unit, the carrier wave unit connects infrared transmitter.
Wherein, the 3D glasses comprise shutter LCD lens; Control circuit comprises parameter recognition and storage unit, digital phase-locked loop frequency generation and phase control unit, LCD sequential generating unit and LCD driver element; Parameter recognition is connected with phase control unit, LCD sequential generating unit and LCD driver element with storage unit, digital phase-locked loop frequency generation successively, and decoding unit connects parameter recognition and storage unit.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of 3D display device is provided, comprises: the coding transmitter module; The coding transmitter module comprises photoelectricity coupling input circuit, communication bus, MCU treatment circuit and infrared transmitter; Photoelectricity coupling input circuit, communication bus and infrared transmitter connect the MCU treatment circuit respectively.
Wherein, the MCU treatment circuit comprises bus communication interface unit, numerical coding unit and carrier wave unit; Bus communication interface, numerical coding unit and carrier wave unit are connected successively, and, photoelectricity coupling input circuit linking number word code unit, communication bus connecting bus communications interface unit, the carrier wave unit connects infrared transmitter.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of 3D glasses are provided, comprise: receiving circuit, control circuit and glasses switching mechanism; Receiving circuit comprises infrared ray receiving demodulation unit and decoding unit; Receiving circuit, control circuit and glasses switching mechanism connect successively, and infrared ray receiving demodulation unit connects decoding unit, and decoding unit connects control circuit.
Wherein, the 3D glasses comprise shutter LCD lens; Control circuit comprises parameter recognition and storage unit, digital phase-locked loop frequency generation and phase control unit, LCD sequential generating unit and LCD driver element; Parameter recognition is connected with phase control unit, LCD sequential generating unit and LCD driver element with storage unit, digital phase-locked loop frequency generation successively, and decoding unit connects parameter recognition and storage unit.
The beneficial effect of the utility model is: the situation that is different from prior art; The 3D display device of the utility model carries out numerical coding to synchronizing signal and control signal and obtains synchronous coding, and synchronous coding is carried out launching after the carrier modulation, obtains the synchronous coding through carrier modulation by the 3D glasses; After demodulation, decoding; Acquire synchronizing signal and control signal, can calculate the cycle of obtaining, frequency and phase place, can acquire the dutycycle control information according to control information according to the rising edge and the negative edge information of synchronizing signal; Therefore between 3D display device and 3D glasses based on agreement of the same race; Through launching different cycles, frequency, phase place and dutycycle control information, can realize the self-adaptation work of 3D glasses and 3D display device, make the 3D display device of 3D glasses and agreement of the same race general.
Description of drawings
Fig. 1 is the workflow diagram of the utility model 3D glasses system embodiment;
Fig. 2 is the circuit diagram of 3D display device among the utility model 3D glasses system embodiment;
Fig. 3 is the structural representation of 3D glasses among the utility model 3D glasses system embodiment;
Fig. 4 is the circuit structure diagram of 3D glasses shown in Figure 3;
Fig. 5 is the numerical coding sequential chart of the MCU treatment circuit of 3D display device among the utility model 3D glasses system embodiment to synchronizing signal and control signal;
Fig. 6 is the data structure synoptic diagram of synchronous coding among the utility model 3D glasses system embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
Consult Fig. 1, Fig. 1 is the workflow diagram of the utility model 3D glasses system embodiment.The utility model embodiment comprises the steps:
Step S101 obtains the 3D display device to comprise the synchronizing signal and the control signal that comprises the dutycycle control information of rising edge and negative edge information.
Step S102 carries out numerical coding by pre-defined rule with synchronizing signal and control signal and obtains synchronous coding, and synchronous coding is carried out launching after the carrier modulation.
Wherein, should synchronizing signal and control signal be carried out numerical coding by pre-defined rule obtains synchronous coding and is specially: at the negative edge of synchronizing signal and rising edge synchronizing signal and control signal are carried out numerical coding and obtain synchronous coding; Wherein, Synchronous coding comprises that the infrared ray receiving demodulation unit that is used to start the 3D glasses works rising edge and the attribute code of negative edge and the function code of carrying the dutycycle control information of leading the sign indicating number, being used to distinguish synchronizing signal; The rising edge or the negative edge of the corresponding synchronizing signal of attribute code, the dutycycle control information of function code corresponding control signal; And, rising and to lead sign indicating number and form by the starting impulse of one four P pulsewidth, attribute code and function code pulsewidth are eight P, and are totally eight compositions of a P pulsewidth by every.Wherein, P is the unit pulsewidth, in this article, is that 500us (0.5ms) is that example describes with unit pulsewidth one P in full.
In addition; This to the concrete steps that synchronous coding carries out launching after the carrier modulation is: when starting the 3D function, launch the function code that comprise dutycycle control information through the attribute code of infrared transmitter emission synchronizing signal rising edge and negative edge and in the next cycle of closelying follow when the 3D display device, when the attribute code of five rising edges of every emission and negative edge, launch the function code that once comprises the dutycycle control information later on.
Step S103 makes the synchronous coding after 3D glasses reception carrier is modulated, and the synchronous coding after the carrier modulation is carried out demodulation, and decoding obtains synchronizing signal and control signal according to the predictive encoding rule.
Step S104 obtains rising edge and negative edge information in the synchronizing signal, and obtains the dutycycle control information that control signal comprises.
Step S105 is according to the opening and closing of rising edge, negative edge information and dutycycle control information control 3D glasses.
In step S105, it realizes that specifically principle is: the cycle, frequency and the phase place that at first obtain synchronizing signal according to rising edge and negative edge information calculations; Control the opening and closing of 3D glasses then according to the cycle that calculates, frequency, phase place and dutycycle control information.
The 3D display device of the utility model embodiment carries out numerical coding to synchronizing signal and control signal and obtains synchronous coding; And synchronous coding carried out launching after the carrier modulation; Obtain synchronous coding by the 3D glasses, after demodulation, decoding, acquire synchronizing signal and control signal through carrier modulation; Rising edge and negative edge information according to synchronizing signal can be calculated the cycle of obtaining, frequency and phase place; Can acquire the dutycycle control information according to control information, therefore between 3D display device and 3D glasses, through launching different cycles, frequency, phase place and dutycycle control information based on agreement of the same race; Can realize the self-adaptation work of 3D glasses and 3D display device, make the 3D display device of 3D glasses and agreement of the same race general.
In conjunction with Fig. 2 to Fig. 4, Fig. 2 is the circuit diagram of 3D display device among the utility model 3D glasses system embodiment, and Fig. 3 is the structural representation of 3D glasses among the utility model 3D glasses system embodiment, and Fig. 4 is the circuit structure diagram of 3D glasses shown in Figure 3.The utility model 3D glasses system embodiment comprises: 3D display device (figure does not show) and 3D glasses (figure does not show).
Like Fig. 2; This 3D display device comprises coding transmitter module 11; The transmitter module 11 of wherein encoding comprises photoelectricity coupling input circuit 110, communication bus 111, MCU (Micro Control Unit, micro-control unit) treatment circuit 112 and infrared transmitter 113.Wherein, MCU treatment circuit 112 further comprises bus communication interface unit 1120, numerical coding unit 1121 and carrier wave unit 1122.Photoelectricity coupling input circuit 110, communication bus 111 and infrared transmitter 113 connect MCU treatment circuit 112 respectively.
Like Fig. 3, these 3D glasses comprise first self-tapping screw 1, auris dextra handle 2, printed circuit board (PCB) 3, right eyeglass 4, leaded light post 5, receiving hood 6, keyswitch 7, second self-tapping screw 8, fore shell 9, left eyeglass 10, button cell 11, battery case 12, back cover 13, left ear handle 14, nose clip 15 and insulating trip 16.Continue to consult Fig. 4, these 3D glasses comprise receiving circuit 213, control circuit 214 and the glasses switching mechanism (figure does not show) that connects successively, and this receiving circuit 213 further comprises infrared ray receiving demodulation unit 2130 and decoding unit 2131.Wherein, receiving circuit 213, control circuit 214 and glasses switching mechanism connect successively, and infrared ray receiving demodulation unit 2130 connects decoding unit 2131, and decoding unit 2131 connects control circuit 214.
At transmitting terminal; It is 3D display device end; Photoelectricity coupling input circuit 110 converts the synchronizing signal of 3D display device output the correspondent voltage signal to and is input to numerical coding unit 1121; Communication bus 111 converts the correspondent voltage signal to and is input to numerical coding unit 1121 through the control signal of bus communication interface unit 1120 with the output of 3D display device; This numerical coding unit 1121 carries out numerical coding by pre-defined rule to synchronizing signal and control signal and obtains synchronous coding, and exports this synchronous coding to carrier wave unit 1122, and the 1122 pairs of synchronous codings in this carrier wave unit carry out carrier modulation; And exporting infrared transmitter 113 to, the synchronous coding that will be passed through after the carrier modulation by infrared transmitter 113 at last sends.Wherein, synchronizing signal comprises rising edge and negative edge information, and control signal comprises the dutycycle control information.
The numerical coding sequential of 112 pairs of synchronizing signals of MCU treatment circuit and control signal is as shown in Figure 5.In the MCU treatment circuit 112, numerical coding unit 1121 carries out numerical coding at the negative edge of synchronizing signal and rising edge to synchronizing signal and control signal and obtains synchronous coding.It should be noted that; When 1122 pairs of these synchronous codings carry out carrier modulation in the carrier wave unit; Owing to adopted numerical coding, carrier frequency can adopt 20KHz (KHz), because in actual environment, there is the signal of many 38KHz carrier frequencies; As telepilot, select the carrier frequency of 38KHz for use, greatly degree avoids receiving the interference of telepilot.
Wherein, the data structure of this synchronous coding is as shown in Figure 6.Synchronous coding comprises: rise and lead sign indicating number, attribute code and function code.
Rise and lead sign indicating number: the infrared ray receiving demodulation unit that is used to start the 3D glasses;
Attribute code: the rising edge and the negative edge that are used to distinguish synchronizing signal;
Function code: be used to carry the dutycycle control information, express difference in functionality.
The rising edge or the negative edge of the corresponding synchronizing signal of attribute code, the dutycycle control information of function code corresponding control signal; And, rising and to lead sign indicating number and form by the starting impulse of one four P pulsewidth, attribute code and function code pulsewidth are eight P, and are totally eight compositions of a P pulsewidth by every.
And, for the synchronizing signal code length that makes the 3D display device keeps identical, thereby not influencing the locking phase of 3D glasses, each bit position adopts wide level just to distinguish bit0 and bit1.The differentiation of the logic state of bit0 and bit1 is specially: rise and lead after the pilot pulse last in the sign indicating number, when 1P pulsewidth low level occurring, promptly be expressed as bit0; Otherwise when the high level of 1P pulsewidth occurring, promptly be expressed as bit1; Rise and lead sign indicating number (4bit)+attribute code (8bit)/function code (8bit).Adopt numerical coding to strengthen antijamming capability, can comprise more control information simultaneously.
And can know that from Fig. 6 the width of whole synchronous coding is 12P.1 unit pulsewidth (1P) is 0.5ms (millisecond).With PDP (Plasma Display Panel; Plasma display) TV is an example, and the PDP TV can produce the undesired signal of about 0.25ms, and among the utility model embodiment; 1 unit pulsewidth is increased to 0.5ms by 0.25ms, can improves the antijamming capability of synchronous coding PDP.
And at receiving end, i.e. 3D glasses end, infrared ray receiving demodulation unit 2130 receive by infrared transmitter 113 send through carrying out the synchronous coding after the carrier modulation in carrier wave unit 1122, synchronous coding is carried out sending into decoding unit 2131 after the demodulation; Decoding unit 2131 is decoded according to the numerical coding mode of 1121 pairs of synchronizing signals in the numerical coding unit in the MCU treatment circuit 112 and control signal and is obtained synchronizing signal and control signal; And obtain the rising edge or the negative edge information of synchronizing signal and the dutycycle control information of obtaining control signal.At last, control circuit 214 is according to the opening and closing of the rising edge of synchronizing signal or negative edge information, dutycycle control information control glasses switching mechanism.
Please continue to consult Fig. 3 and Fig. 4; The 3D glasses further comprise shutter LCD (Liquid Crystal Display; LCD) lens (figure does not show), this control circuit 214 comprise that further parameter recognition and storage unit 2140, digital phase-locked loop frequency take place and phase control unit 2141, LCD sequential generating unit 2142 and LCD driver element 2143.Wherein, Parameter recognition takes place to be connected successively with phase control unit 2141, LCD sequential generating unit 2142 and LCD driver element 2143 with storage unit 2140, digital phase-locked loop frequency; And decoding unit 2131 connects the parameter recognition and the storage unit 2140 of control circuit 214.
The utility model embodiment; Can regulate synchronizing signal and control signal at communication bus 111 places; Can realize adjusting to phase place and dutycycle control information; The 3D glasses carry out self-adaptation according to the different synchronization signal that receives and control signal to be regulated, and can realize 3D glasses and general based on agreement 3D display device of the same race.
The utility model also provides the 3D display device of a kind of as above-mentioned arbitrary embodiment.
The 3D display device comprises the coding transmitter module at least, and the coding transmitter module comprises photoelectricity coupling input circuit, communication bus, MCU treatment circuit and infrared transmitter.Wherein, photoelectricity coupling input circuit, communication bus and infrared transmitter connect the MCU treatment circuit respectively.
Photoelectricity coupling input circuit and communication bus convert the synchronizing signal and the control signal of the output of 3D display device the correspondent voltage signal to and are input to the MCU treatment circuit respectively; The MCU treatment circuit carries out numerical coding by pre-defined rule to synchronizing signal and control signal and obtains synchronous coding; And synchronous coding carried out carrier modulation; To pass through synchronous coding after the carrier modulation at last exports infrared transmitter to and sends; And synchronizing signal comprises rising edge and negative edge information, and control signal comprises the dutycycle control information.
The MCU treatment circuit to the digitally coded sequential processing method of synchronizing signal is: negative edge and rising edge in synchronizing signal carry out numerical coding;
Wherein, The bit stream data structure of coding comprises that the infrared ray receiving demodulation unit that is used to start the 3D glasses works rising edge and the attribute code of negative edge and the function code of carrying the dutycycle control information of leading the sign indicating number, being used to distinguish synchronizing signal; The rising edge or the negative edge of the corresponding synchronizing signal of attribute code, the dutycycle control information of function code corresponding control signal;
And, rise and to lead sign indicating number and form by the starting impulse of one four P pulsewidth;
Attribute code and function code pulsewidth are eight P, and promptly attribute code and function code pulsewidth are eight unit pulsewidths, and are totally eight compositions of a P pulsewidth by every.
In addition, the MCU treatment circuit comprises bus communication interface unit, numerical coding unit and carrier wave unit; Bus communication interface, numerical coding unit and carrier wave unit are connected successively, and, photoelectricity coupling input circuit linking number word code unit, communication bus connecting bus communications interface unit, the carrier wave unit connects infrared transmitter.
The utility model also provides the 3D glasses of a kind of as above-mentioned arbitrary embodiment.
These 3D glasses comprise receiving circuit, control circuit and glasses switching mechanism at least, and receiving circuit comprises infrared ray receiving demodulation unit and the decoding unit that connects successively.Wherein, receiving circuit, control circuit and glasses switching mechanism connect successively, and infrared ray receiving demodulation unit connects decoding unit, and decoding unit connects control circuit.
Infrared ray receiving demodulation unit receives the synchronous coding after the process carrier modulation of being sent by infrared transmitter, and synchronous coding is carried out sending into decoding unit after the demodulation; Decoding unit obtains synchronizing signal and control signal according to the numerical coding mode of synchronizing signal and control signal is decoded, and obtains the rising edge or the negative edge information of synchronizing signal, and the dutycycle control information of obtaining control signal.Finally, control circuit is according to the opening and closing of the rising edge of synchronizing signal or negative edge information, dutycycle control information control glasses switching mechanism.
In addition, the 3D glasses comprise shutter LCD lens; Control circuit comprises parameter recognition and storage unit, digital phase-locked loop frequency generation and phase control unit, LCD sequential generating unit and LCD driver element; Parameter recognition is connected with phase control unit, LCD sequential generating unit and LCD driver element with storage unit, digital phase-locked loop frequency generation successively, and decoding unit connects parameter recognition and storage unit.
To sum up, the utility model embodiment has following advantage:
(1) can realize the general of 3D glasses and agreement 3D display device of the same race;
(2) the 3D glasses can not receive the interference of TV remote controller;
(3) televisor can not receive the interference of 3D glasses RF transmitter;
(4) after the infrared synchronous signals transient loss between 3D display device and 3D glasses, what the 3D glasses still can be stable keeps synchronously with the 3D display device.
More than be merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (7)
1. a 3D glasses system is characterized in that, comprising:
3D display device and 3D glasses;
Said 3D display device comprises the coding transmitter module, and said coding transmitter module comprises photoelectricity coupling input circuit, communication bus, MCU treatment circuit and infrared transmitter;
Said photoelectricity coupling input circuit, communication bus and infrared transmitter connect the MCU treatment circuit respectively;
Said 3D glasses comprise receiving circuit, control circuit and glasses switching mechanism, and said receiving circuit comprises infrared ray receiving demodulation unit and decoding unit;
Said receiving circuit, control circuit and glasses switching mechanism connect successively, and said infrared ray receiving demodulation unit connects decoding unit, and said decoding unit connects control circuit.
2. according to the 3D glasses system of claim 1, it is characterized in that:
Said MCU treatment circuit comprises bus communication interface unit, numerical coding unit and carrier wave unit;
Said bus communication interface, numerical coding unit and carrier wave unit are connected successively, and, said photoelectricity coupling input circuit linking number word code unit, said communication bus connecting bus communications interface unit, said carrier wave unit connects infrared transmitter.
3. according to the 3D glasses system of claim 1, it is characterized in that:
Said 3D glasses comprise shutter LCD lens;
Said control circuit comprises parameter recognition and storage unit, digital phase-locked loop frequency generation and phase control unit, LCD sequential generating unit and LCD driver element;
Said parameter recognition is connected with phase control unit, LCD sequential generating unit and LCD driver element with storage unit, digital phase-locked loop frequency generation successively, and said decoding unit connects parameter recognition and storage unit.
4. a 3D display device is characterized in that, comprising:
The coding transmitter module;
Said coding transmitter module comprises photoelectricity coupling input circuit, communication bus, MCU treatment circuit and infrared transmitter;
Said photoelectricity coupling input circuit, communication bus and infrared transmitter connect the MCU treatment circuit respectively.
5. according to the 3D glasses system of claim 4, it is characterized in that:
Said MCU treatment circuit comprises bus communication interface unit, numerical coding unit and carrier wave unit;
Said bus communication interface, numerical coding unit and carrier wave unit are connected successively, and, said photoelectricity coupling input circuit linking number word code unit, said communication bus connecting bus communications interface unit, said carrier wave unit connects infrared transmitter.
6. 3D glasses is characterized in that, comprising:
Receiving circuit, control circuit and glasses switching mechanism;
Said receiving circuit comprises infrared ray receiving demodulation unit and decoding unit;
Said receiving circuit, control circuit and glasses switching mechanism connect successively, and said infrared ray receiving demodulation unit connects decoding unit, and said decoding unit connects control circuit.
7. according to the 3D glasses system of claim 6, it is characterized in that:
Said 3D glasses comprise shutter LCD lens;
Said control circuit comprises parameter recognition and storage unit, digital phase-locked loop frequency generation and phase control unit, LCD sequential generating unit and LCD driver element;
Said parameter recognition is connected with phase control unit, LCD sequential generating unit and LCD driver element with storage unit, digital phase-locked loop frequency generation successively, and decoding unit connects parameter recognition and storage unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220169764 CN202631857U (en) | 2012-04-19 | 2012-04-19 | Three dimensional (3D) glass system, 3D display device and 3D glasses |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220169764 CN202631857U (en) | 2012-04-19 | 2012-04-19 | Three dimensional (3D) glass system, 3D display device and 3D glasses |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325237A (en) * | 2013-05-29 | 2013-09-25 | 泰凌微电子（上海）有限公司 | Method and device for producing universal infrared carrier signal |
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2012
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325237A (en) * | 2013-05-29 | 2013-09-25 | 泰凌微电子（上海）有限公司 | Method and device for producing universal infrared carrier signal |
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