CN201846441U - 3-dimensional glasses synchronous system used in display equipment - Google Patents
3-dimensional glasses synchronous system used in display equipment Download PDFInfo
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- CN201846441U CN201846441U CN201020525972XU CN201020525972U CN201846441U CN 201846441 U CN201846441 U CN 201846441U CN 201020525972X U CN201020525972X U CN 201020525972XU CN 201020525972 U CN201020525972 U CN 201020525972U CN 201846441 U CN201846441 U CN 201846441U
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Abstract
The utility model discloses a 3-dimensional glasses synchronous system used in display equipment. The synchronous system comprises a transmitting end and a receiving end; the transmitting end is used for transmitting an infrared impulse sequence according to the field synchronous signal of the display equipment; the infrared impulse sequence comprises impulses in even number or odd number in a certain time period T; the receiving end decides the window waveform of the left liquid crystal lens and the right liquid crystal lens via impulse numbers in the certain time period T, that is, the open and close moments of the left and right liquid crystal lenses; the receiving end comprises a signal receiving module, a signal processing module and a glasses control module; and the signal processing module comprises a clocking unit, an impulse counting unit and an output unit. By adopting the design, the synchronous system is adaptable to any display equipment due to dynamically adjustable window time, and is convenient and simple.
Description
Technical field
The utility model relates to 3D timesharing Display Technique, relates in particular to a kind of 3D glasses synchro system that is used for display device.
Background technology
Present 3D timesharing Display Technique is mainly used in CRT monitor, the concrete image that active 3D liquid crystal glasses only needs and the field sync signal of CRT monitor is carried out that right and left eyes is seen and should be seen, just each frame picture 100% can be watched for right and left eyes in time of keeping, but generally adopt LCD as new display device on the market at present, and according to the displaying principle of LCD, each frame signal has only the time of about 30%-50% to watch for right and left eyes, remaining frame picture of that part of times two can appear on the screen simultaneously, influences the formation of brain 3D rendering.
Existing 3D liquid crystal glasses comprises emitter and receiving system, emitter and receiving system carry out communication by infrared facility, emitter emission infrared signal, receiving system carries out Synchronous Processing according to the infrared signal sequence that receives, use the initial state of infrared emission and the simple launching site of receiving system synchronizing signal, this 3D liquid crystal glasses can only simply be applicable to CRT monitor, can't use on LCD etc. has the display device of smearing.
The window time: the window time in the utility model is the transparent time of liquid crystal lens.
The window waveform: and the control waveform of above-mentioned window time correspondence.
The utility model content
Technical problem to be solved in the utility model is at the deficiencies in the prior art, and a kind of 3D glasses synchro system that can dynamically adjust the window waveform is provided.
A kind of 3D glasses synchro system that is used for display device, comprise transmitting terminal and receiving terminal, described transmitting terminal is used for the field sync signal emission infrared pulse sequence according to described display device, described infrared pulse sequence comprises even number or odd number pulse in special time period T, described receiving terminal decides the window waveform of images of left and right eyes liquid crystal lens by the pulse number in the special time period T, i.e. the open and close of images of left and right eyes liquid crystal lens constantly.
Described 3D glasses synchro system, described transmitting terminal comprises field sync signal receiver module, signal modulation module, the signal emission module that connects in turn, described field sync signal receiver module is used to receive the field sync signal of described display device, described signal modulation module, be used for producing the infrared pulse sequence according to described field sync signal modulation, described signal emission module is used to launch described infrared pulse sequence.
Described 3D glasses synchro system, described receiving terminal comprises signal receiving module, signal processing module and glasses control module, described signal receiving module is used to receive described infrared pulse sequence, described signal processing module is used for the window waveform according to described infrared pulse sequence output images of left and right eyes liquid crystal lens, and described glasses control module is used for the opening and closing according to described window Waveform Control right and left eyes liquid crystal lens.
Described 3D glasses synchro system, described signal processing module comprises timing unit, step-by-step counting unit and output unit, wherein said timing unit is used for picking up counting when the rising edge of described infrared pulse sequence arrives, and judge whether timing equals special time period T, when reaching special time period T, finished the pulse number that comprises in described special time period T counting by described step-by-step counting unit, described output unit is used for high level and the low level according to described count results output window waveform.
Use the wireless 3D glasses synchro system that the design produced, therefore go for any display device with smearing owing to can dynamically adjust the window time, convenient and simple.
Description of drawings
Fig. 1 the utility model transmitting terminal structure principle chart;
Fig. 2 the utility model receiving terminal structure principle chart;
Fig. 3 the utility model transmitting terminal infrared pulse sequence modulation flow chart;
Fig. 4 the utility model transmitting terminal infrared pulse sequence modulation sequential chart;
Fig. 5 the utility model receiving terminal right and left eyes liquid crystal lens window time generates sequential chart;
Fig. 6 the utility model receiving terminal right and left eyes liquid crystal lens window time product process figure
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As depicted in figs. 1 and 2, present embodiment provides a kind of 3D glasses synchro system that is used for liquid crystal display, comprise transmitting terminal and receiving terminal, described transmitting terminal is used for the field sync signal emission infrared pulse sequence according to described display device, described infrared pulse sequence comprises even number or odd number pulse in special time period T, described receiving terminal decides the window waveform of images of left and right eyes liquid crystal lens by the pulse number in the special time period T, i.e. the open and close of images of left and right eyes liquid crystal lens constantly.
Described transmitting terminal comprises field sync signal receiver module 101, signal modulation module 102, the signal emission module 103 that connects in turn, described field sync signal receiver module 101 is used to receive the field sync signal of described display device, described signal modulation module 102, be used for producing the infrared pulse sequence according to described field sync signal modulation, described signal emission module 103 is used to launch described infrared pulse sequence.
Be transmitting terminal infrared pulse sequence modulation flow chart as shown in Figure 3, Fig. 4 the utility model transmitting terminal infrared pulse sequence modulation sequential chart, time-delay 1 and time-delay 2 are to have the display of smearing to use for drive waveforms is fit to.
Described receiving terminal comprises signal receiving module 201, signal processing module 202 and glasses control module 203, described signal receiving module 201 is used to receive described infrared pulse sequence, described signal processing module 202 is used for the window waveform according to described infrared pulse sequence output images of left and right eyes liquid crystal lens, and described glasses control module 203 is used for the opening and closing according to described window Waveform Control right and left eyes liquid crystal lens.Be the transmitting terminal sequential chart as shown in Figure 6, time parameter t1 among the figure, t2, t3, t4 may have different values according to different LCD.For example, the parameter of giving by liquid crystal display manufacturer decides the size of window time, and perhaps by manual adjustment, the mode that people's eye is seen is determined t1, t2, t3, parameters such as t4; According to different right and left eyes initial states, launch different infrared pulse sequences.
Described signal processing module 202 comprises timing unit, step-by-step counting unit and output unit, wherein said timing unit is used for picking up counting when the rising edge of described infrared pulse sequence arrives, and judge whether timing equals special time period T, when reaching special time period T, finished the pulse number that comprises in described special time period T counting by described step-by-step counting unit, described output unit is used for according to the high level of described count results output window time and low level.
Current according to the pulse number decision of T in the time interval of transmitting terminal emission is left eye or right eye, begins or finishes according to the pulse number decision of front and back.
Receiving terminal receives rising edge, picks up counting the T time interval, then is left eye if receive 2 pulses in the T, receives 1 pulse in the T and then is right eye.
Judgement for beginning and end:
If what last T received in the time interval is 2 pulses, this T receives 2 pulses in the time interval, and then this is the left eye end signal;
If what last T received in the time interval is 1 pulse, this T receives 2 pulses in the time interval, and then this is the left eye commencing signal.
Right eye is judged similar.
As shown in Figure 5, receiving terminal reverts to the window waveform of right and left eyes needs according to the above-mentioned signal that receives.
As shown in Figure 6, be the sequential chart of receiving end signal processing module, the 0xaa among the figure, 0x5a, 0x55,0xa5 representative be that what to occur in the last T time interval is 1 or 2 pulse signals, and the beginning done state of right and left eyes.
On behalf of last T, 0xaa occurred 2 pulse signals in the time interval, and the last T time interval is the done state of left eye.This is the beginning of right eye.
On behalf of last T, 0x5a occurred 1 pulse signal in the time interval, and the last T time interval is the initial state of right eye.This is the end of right eye.
On behalf of last T, 0x55 occurred 1 pulse signal in the time interval, and the last T time interval is the done state of right eye.This is the beginning of left eye.
On behalf of last T, 0xa5 occurred 2 pulse signals in the time interval, and the last T time interval is the initial state of left eye.This is the end of left eye.
Above-mentioned is to being applicable to the detailed description of LCD occasion, and the 3D glasses scheme that provides of the utility model also can be applied to the display device that other need eliminate smearing certainly.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of the utility model claims.
Claims (2)
1. 3D glasses synchro system that is used for display device, it is characterized in that, comprise transmitting terminal and receiving terminal, described transmitting terminal is used for the field sync signal emission infrared pulse sequence according to described display device, described infrared pulse sequence comprises even number or odd number pulse in special time period T, described receiving terminal decides the window waveform of images of left and right eyes liquid crystal lens by the pulse number in the special time period T, i.e. the open and close of images of left and right eyes liquid crystal lens constantly; Described receiving terminal comprises signal receiving module, signal processing module and glasses control module, described signal receiving module is used to receive described infrared pulse sequence, described signal processing module is used for the window waveform according to described infrared pulse sequence output images of left and right eyes liquid crystal lens, and described glasses control module is used for the opening and closing according to described window Waveform Control right and left eyes liquid crystal lens; Described signal processing module comprises timing unit, step-by-step counting unit and output unit, wherein said timing unit is used for picking up counting when the rising edge of described infrared pulse sequence arrives, and judge whether timing equals special time period T, when reaching special time period T, finished the pulse number that comprises in described special time period T counting by described step-by-step counting unit, described output unit is used for high level and the low level according to described count results output window waveform.
2. 3D glasses synchro system according to claim 1, it is characterized in that, described transmitting terminal comprises field sync signal receiver module, signal modulation module, the signal emission module that connects in turn, described field sync signal receiver module is used to receive the field sync signal of described display device, described signal modulation module, be used for producing the infrared pulse sequence according to described field sync signal modulation, described signal emission module is used to launch described infrared pulse sequence.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201020525972XU CN201846441U (en) | 2010-09-13 | 2010-09-13 | 3-dimensional glasses synchronous system used in display equipment |
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| CN201020525972XU CN201846441U (en) | 2010-09-13 | 2010-09-13 | 3-dimensional glasses synchronous system used in display equipment |
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| CN201846441U true CN201846441U (en) | 2011-05-25 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447940A (en) * | 2011-12-19 | 2012-05-09 | 四川长虹电器股份有限公司 | System and method for realizing 3D (three-dimensional) synchronous signal time sequence and code control based on PWM (Pulse Width Modulation) |
| CN102707444A (en) * | 2012-06-08 | 2012-10-03 | 深圳Tcl新技术有限公司 | Infrared shutter type three-dimensional (3D) glasses and energy saving method for same |
| CN102865996A (en) * | 2011-07-05 | 2013-01-09 | 纬创资通股份有限公司 | Test method, device and system |
| CN115209127A (en) * | 2022-07-07 | 2022-10-18 | 深圳市灿影计算机有限公司 | Synchronization system of 3D display device and glasses |
-
2010
- 2010-09-13 CN CN201020525972XU patent/CN201846441U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865996A (en) * | 2011-07-05 | 2013-01-09 | 纬创资通股份有限公司 | Test method, device and system |
| CN102865996B (en) * | 2011-07-05 | 2015-08-12 | 纬创资通股份有限公司 | Test method, device and system |
| CN102447940A (en) * | 2011-12-19 | 2012-05-09 | 四川长虹电器股份有限公司 | System and method for realizing 3D (three-dimensional) synchronous signal time sequence and code control based on PWM (Pulse Width Modulation) |
| CN102447940B (en) * | 2011-12-19 | 2013-11-06 | 四川长虹电器股份有限公司 | System and method for realizing 3D (three-dimensional) synchronous signal time sequence and code control based on PWM (Pulse Width Modulation) |
| CN102707444A (en) * | 2012-06-08 | 2012-10-03 | 深圳Tcl新技术有限公司 | Infrared shutter type three-dimensional (3D) glasses and energy saving method for same |
| CN102707444B (en) * | 2012-06-08 | 2015-05-20 | 深圳Tcl新技术有限公司 | Infrared shutter type three-dimensional (3D) glasses and energy saving method for same |
| CN115209127A (en) * | 2022-07-07 | 2022-10-18 | 深圳市灿影计算机有限公司 | Synchronization system of 3D display device and glasses |
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