CN103379356B - Digital optical processor projector and display packing thereof - Google Patents
Digital optical processor projector and display packing thereof Download PDFInfo
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- CN103379356B CN103379356B CN201210126364.5A CN201210126364A CN103379356B CN 103379356 B CN103379356 B CN 103379356B CN 201210126364 A CN201210126364 A CN 201210126364A CN 103379356 B CN103379356 B CN 103379356B
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Abstract
The invention provides a kind of digital optical processor projector and display packing thereof.Digital optical processor projector comprises signal processing unit, display unit and signal comparing unit.Signal processing unit produces display data and synchronizing information according to picture material.Display unit sequentially projects the first synchronizing signal, left eye picture, the second synchronizing signal and right eye picture according to display data.Signal comparing unit judges the whether corresponding left eye picture of the first synchronizing signal according to synchronizing information or judges the whether corresponding right eye picture of the second synchronizing signal.When the not corresponding left eye picture of the first synchronizing signal or the not corresponding right eye picture of the second synchronizing signal, then signal comparing unit exports synchronous correction signal to display unit, to adjust the corresponding left eye picture of the first synchronizing signal and the corresponding right eye picture of the second synchronizing signal.
Description
Technical field
The invention relates to a kind of projector and display packing thereof, and relate to a kind of digital optical processor projector and display packing thereof especially.
Background technology
Along with the evolution of projection display technique, optical projection system and equipment have the development of highly significant within recent years.The principle of projector and transparency or lantern slide similar, be all the bulb of a use high brightness as light source, and picture to be projected on white cloth curtain or wall.With regard to know-why, projector more common is on the market high temperature polysilicon (Polysilicon) penetrating LCD (being generally referred to as liquid crystal projector) and digital optical processor (Digital Light Processing, DLP) projector at present.Wherein the know-why of digital optical processor projector is utilize the colour wheel (color wheel) rotated the light of light source to be divided into the coloured light of red, green, blue three kinds of colors, and then via digital micromirror elements (Digital Micromirror Device, DMD) reflection to be projected on screen by these coloured light, and presents colored projected picture.
Generally speaking, when digital optical processor projector projection stereo-picture, synchronizing signal can be projected to white cloth curtain or wall by digital optical processor projector, and shutter glasses is after sensing synchronizing signal, can control unlatching and the closedown of its left eye and right eye eyeglass according to synchronizing signal.Traditional digital optical processor projector can produce synchronizing signal according to preset value (such as left eye shutter eyeglass is first opened), and wherein preset value can meet the transmission sequence of most of left eye picture data and right eye picture data.But when digital optical processor projector data are missed or the transmission sequence of left eye picture data and right eye picture data is different, left eye picture and right eye picture display mistake can be caused and cause visual sense of discomfort.
According to traditional display technologies, the mistake of synchronizing signal can be learnt by display effect, and therefore digital optical processor projector adjusts synchronizing signal, to correct synchronizing signal by user's operation.And, traditional picture material does not comprise the information that instruction display data are left eye picture or right eye picture, therefore cannot judge that display data are left eye picture or right eye picture by picture material according to traditional display technologies, that is cannot automatic calibration synchronizing signal.
Summary of the invention
The invention provides a kind of digital optical processor projector and display packing thereof, synchronizing signal can be corrected according to received picture material, with left eyeglass lens and the right eye eyeglass malfunction of avoiding the synchronizing signal of mistake to make shutter glasses.
The present invention proposes a kind of digital optical processor projector, comprises signal processing unit, display unit and signal comparing unit.Signal processing unit receives picture material, and produces display data and synchronizing information according to picture material.Display unit couples signal processing unit, sequentially to project the first synchronizing signal, left eye picture, the second synchronizing signal and right eye picture according to display data.Signal comparing unit couples signal processing unit and display unit, to judge the whether corresponding left eye picture of the first synchronizing signal according to synchronizing information or to judge the whether corresponding right eye picture of the second synchronizing signal.When the not corresponding left eye picture of the first synchronizing signal or the not corresponding right eye picture of the second synchronizing signal, then signal comparing unit exports synchronous correction signal to display unit, to adjust the corresponding left eye picture of the first synchronizing signal and the corresponding right eye picture of the second synchronizing signal.
The present invention also proposes a kind of display packing of digital optical processor projector, comprises the following steps.Display data and synchronizing information is produced according to picture material.The first synchronizing signal, left eye picture, the second synchronizing signal and right eye picture is sequentially projected according to display data.Judge the whether corresponding left eye picture of the first synchronizing signal according to synchronizing information or judge the whether corresponding right eye picture of the second synchronizing signal.When the not corresponding left eye picture of the first synchronizing signal or the not corresponding right eye picture of the second synchronizing signal, then adjust the corresponding left eye picture of the first synchronizing signal and the corresponding right eye picture of the second synchronizing signal.
In one embodiment of this invention, during left eye picture is projeced into the first display during the first picture, during right eye picture is projeced into the second display during the second picture.
In one embodiment of this invention, signal comparing unit judges the whether corresponding left eye picture of the first synchronizing signal according to the very first time during the first synchronizing signal to the first display.
In one embodiment of this invention, when the very first time equals the first Preset Time, the corresponding left eye picture of the first synchronizing signal.
In one embodiment of this invention, signal comparing unit judges the whether corresponding right eye picture of the second synchronizing signal according to the second time during the second synchronizing signal to the second display.
In one embodiment of this invention, when the second time equaled the second Preset Time, the corresponding right eye picture of the first synchronizing signal.
In one embodiment of this invention, the first synchronizing signal and the second synchronizing signal are grey menu.
In one embodiment of this invention, the first synchronizing signal and the second synchronizing signal are black picture.
In one embodiment of this invention, above-mentioned foundation synchronizing information judges that the step of the whether corresponding left eye picture of the first synchronizing signal comprises: judge the whether corresponding left eye picture of the first synchronizing signal according to the very first time during the first synchronizing signal to the first shows.
In one embodiment of this invention, the very first time during above-mentioned foundation first synchronizing signal to the first display judges that the step of the whether corresponding left eye picture of the first synchronizing signal comprises: when the very first time equals the first Preset Time, the corresponding left eye picture of the first synchronizing signal.
In one embodiment of this invention, above-mentioned foundation synchronizing information judges that the step of the whether corresponding right eye picture of the second synchronizing signal comprises: judge the whether corresponding right eye picture of the second synchronizing signal according to the second time during the second synchronizing signal to the second shows.
In one embodiment of this invention, judge that the step of the whether corresponding right eye picture of the second synchronizing signal comprises according to the second time during the second synchronizing signal to the second shows: when the second time equaled the second Preset Time, the corresponding right eye picture of the second synchronizing signal.
In one embodiment of this invention, picture material meets the standard of high picture quantity multimedia interface 1.4 editions.
Based on above-mentioned, the digital optical processor projector of the embodiment of the present invention and display packing thereof, its signal processing unit produces synchrodata according to picture material, and signal comparing unit judges the whether corresponding left eye picture of the first signal according to synchrodata and judges the whether corresponding right eye picture of secondary signal.When the not corresponding left eye picture of the first synchronizing signal or the not corresponding right eye picture of the second synchronizing signal, then adjust the corresponding left eye picture of the first synchronizing signal and the corresponding right eye picture of the second synchronizing signal.By this, digital optical processor projector according to institute receive picture material, automatic calibration synchronizing signal, and need not via audience operate correct.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Fig. 1 is the system schematic of the projector according to one embodiment of the invention;
Fig. 2 is the projection time diagram of Fig. 1 according to one embodiment of the invention;
Fig. 3 is the flow chart of the display packing of the projector of foundation one embodiment of the invention.
Description of reference numerals:
100: projector;
110: signal processing unit;
120: display unit;
130: signal comparing unit;
DD: display data;
During DP1: the first display;
During DP2: the second display;
During FP1: the first picture;
During FP2: the second picture;
LF: left eye picture;
IMCT: picture material;
S1: the first synchronizing signal;
S2: the second synchronizing signal;
SRS: synchronous correction signal;
SYN: synchronizing information;
RF: right eye picture;
T1: the very first time;
T2: the second time;
During VB1: the first vertical blank;
During VB2: the second vertical blank;
S310、S320、S330、S340；
Embodiment
Fig. 1 is the system schematic of the projector according to one embodiment of the invention.Please refer to Fig. 1, in the present embodiment, projector 100 is for digital optical processor projector.Projector 100 comprises signal processing unit 110, display unit 120 and signal comparing unit 130.In one embodiment of this invention, display unit 120 and signal comparing unit 130 can be integrated into a display chip or a display circuit, but the embodiment of the present invention is not as limit.
Signal processing unit 110 receives picture material IMCT, after carrying out data processing to picture material IMCT, produces display data DD and synchronizing information SYN according to picture material IMCT.Wherein, display data DD can be left eye picture data or right eye picture data, and synchronizing information SYN is left eye picture data or right eye picture data in order to instruction display data DD.And, the data format of picture material IMCT should differentiate that display data DD is left eye picture data or right eye picture data, such as meet the 3D data format of high picture quantity multimedia interface (High Definition Multimedia Interface, HDMI) 1.4 editions standards.The 3D data format meeting high picture quantity multimedia interface 1.4 editions standards is such as collections of pictures (Frame Packing), parallel horizontal (Side by Side) or up and down (Top and Bottom).
Display unit 120 couples signal processing unit 110, to receive display data DD.Sequentially can export left eye picture data and right eye picture data at this hypothesis signal processing unit 110, therefore display unit 120 can sequentially project the first synchronizing signal S1, left eye picture LF, the second synchronizing signal S2 and right eye picture RF according to display data DD.Wherein, the first synchronizing signal S1 and the second synchronizing signal S2 is in order to open left eyeglass lens and the right eye eyeglass of shutter glasses (not illustrating) respectively.Furthermore, if the first synchronizing signal S1 is in order to open one of them of left eyeglass lens and right eye eyeglass, then the second synchronizing signal S2 in order to open left eyeglass lens and right eye eyeglass wherein another, and left eyeglass lens and right eye eyeglass open one of them at most.
Signal comparing unit 130 couples signal processing unit 110 and display unit 120.Before the first synchronizing signal S1 is projeced into left eye picture LF, therefore the first synchronizing signal S1 should be used for opening left eyeglass lens, with make left eye picture LF can receive by the left eye of audience, that is the first synchronizing signal S1 should corresponding left eye picture LF; In like manner, the second synchronizing signal S2 should be used for opening right eye eyeglass, with make right eye picture RF can receive by the right eye of audience, that is the second synchronizing signal S2 should corresponding right eye picture RF.
Because synchronizing information SYN is in order to indicate display data DD to be left eye picture data or right eye picture data, therefore can learn that the picture being about to projection is left eye picture LF or right eye picture RF by synchronizing information SYN.According to above-mentioned, signal comparing unit 130 can judge the first synchronizing signal S1 whether corresponding left eye picture LF according to synchronizing information SYN or judge the second synchronizing signal S2 whether corresponding right eye picture RF.As the first synchronizing signal S1 not corresponding left eye picture LF or the second synchronizing signal S2 not corresponding right eye picture RF, then signal comparing unit 130 exports synchronous correction signal SRS to display unit 120, to inform the first synchronizing signal S1 not corresponding left eye picture LF or the second synchronizing signal S2 not corresponding right eye picture RF.And display unit 120 can adjust according to synchronous correction signal SRS, to make the corresponding left eye picture LF and the second synchronizing signal S2 of the first synchronizing signal S1 corresponding right eye picture RF.
For example, as the first synchronizing signal S1 not corresponding left eye picture LF, then the first synchronizing signal S1 is in order to open right eye eyeglass (being equal to right eye synchronizing signal); Now, when second synchronizing signal S2 also can not correspond to right eye picture RF, that is second synchronizing signal S2 in order to open left eyeglass lens (being equal to left eye synchronizing signal), therefore left eye synchronizing signal and right eye synchronizing signal projection order not corresponding left eye picture LF and right eye picture RF projection order.Because left eye synchronizing signal and right eye synchronizing signal are the projection that sequentially circulates, when projecting sequence error, as long as correct projection order can be obtained after anti-phase for projection order.According to above-mentioned, display unit 120 is after receiving synchronous correction signal SRS, can the projection order of left eye synchronizing signal and right eye synchronizing signal be carried out anti-phase, to make the synchronizing signal (i.e. the first synchronizing signal S1) before left eye picture LF for left eye synchronizing signal, the synchronizing signal (i.e. the second synchronizing signal S2) before right eye picture RF is right eye synchronizing signal.
Fig. 2 is the projection time diagram of Fig. 1 according to one embodiment of the invention.Please refer to Fig. 1 and Fig. 2, in the present embodiment, during the first picture period FP1 is such as left eye picture, during the second picture period FP2 is such as right eye picture.The first synchronizing signal S1 can be projected in the first vertical blank period VB1 of the first picture period FP1, left eye picture LF can be projected in the first display period DP1 of the first picture period FP1.The very first time T1 that shutter glasses (not illustrating) shows period DP1 according to the first synchronizing signal S1 to the first opens its left eyeglass lens or right eye eyeglass, and signal comparing unit 130 can judge the first synchronizing signal S1 whether corresponding left eye picture LF according to the very first time T1 of the first synchronizing signal S1 to the first display period DP1.
When supposing that very first time T1 is the first Preset Time (being such as 1500 μ s), shutter glasses (not illustrating) can open its left eyeglass lens.Now, signal comparing unit 130 can judge that the first synchronizing signal S1 is left eye synchronizing signal, that is the first synchronizing signal S1 is corresponding left eye picture LF.On the other hand, when supposing that very first time T1 is the second Preset Time (being such as 1800 μ s), shutter glasses (not illustrating) can open its right eye eyeglass.Now, signal comparing unit 130 can judge that the first synchronizing signal S1 is right eye synchronizing signal, that is the first synchronizing signal S1 not corresponding left eye picture LF.
The second synchronizing signal S2 can be projected in the second vertical blank period VB2 of the second picture period FP2, right eye picture RF can be projected in the second display period DP2 of the second picture period FP2.The second time T2 that shutter glasses (not illustrating) shows period DP2 according to the second synchronizing signal S2 to the second opens its left eyeglass lens or right eye eyeglass, and signal comparing unit 130 can judge the second synchronizing signal S2 whether corresponding right eye picture RF according to the second time T2 of the second synchronizing signal S2 to the second display period DP2.
When supposing that the second time T2 is the first Preset Time, shutter glasses (not illustrating) can open its left eyeglass lens.Now, signal comparing unit 130 can judge that the second synchronizing signal S2 is left eye synchronizing signal, that is the second synchronizing signal S2 not corresponding right eye picture RF.On the other hand, when supposing that the second time T2 is the second Preset Time, shutter glasses (not illustrating) can open its right eye eyeglass.Now, signal comparing unit 130 can judge that the second synchronizing signal S2 is right eye synchronizing signal, that is the second synchronizing signal S2 is corresponding left eye picture RF.
Generally speaking, left eye picture LF and right eye picture RF can be orderly sent to left eye and the right eye of audience, that is the left eyeglass lens of shutter glasses (not illustrating) and right eye eyeglass can alternately be opened, therefore very first time T1 and the second time T2 can be respectively the first Preset Time and the second Preset Time.When very first time T1 is the first Preset Time, the second time T2 can be the second Preset Time.Now, the first synchronizing signal S1 corresponds to left eye picture LF, and the second synchronizing signal S2 corresponds to right eye picture RF, and therefore signal comparing unit 130 can not export synchronous correction signal SRS.When very first time T1 is the second Preset Time, the second time T2 can be the first Preset Time.Now, first synchronizing signal S1 does not correspond to left eye picture LF, second synchronizing signal S2 does not correspond to right eye picture RF, therefore signal comparing unit 130 can export synchronous correction signal SRS to display unit 120, and very first time T1 can be set to the first Preset Time by display unit 120, the second time T2 is set to the second Preset Time.
In an embodiment of the present invention, first synchronizing signal S1 and the second synchronizing signal S2 can be single grey menu or lines, furthermore, first synchronizing signal S1 and the second synchronizing signal S2 can be black picture or black line, but other first synchronizing signal S1 implemented and the second synchronizing signal S2 of the present invention are not as limit.
Fig. 3 is the flow chart of the display packing of the projector of foundation one embodiment of the invention.Please refer to Fig. 3, in step S310, display data and synchronizing information can be produced according to picture material.Then, the first synchronizing signal, left eye picture, the second synchronizing signal and right eye picture (step S320) is sequentially projected according to display data.Further, judge the whether corresponding left eye picture of the first synchronizing signal according to synchronizing information or judge the whether corresponding right eye picture of the second synchronizing signal.When the not corresponding left eye picture of the first synchronizing signal or the not corresponding right eye picture of the second synchronizing signal, that is the judged result of step S330 is "No", then adjust the corresponding left eye picture of the first synchronizing signal and corresponding right eye picture (step S340) of the second synchronizing signal.When the corresponding left eye picture of the first synchronizing signal and the second synchronizing signal correspondence right eye picture, that is the judged result of step S330 is "Yes", then get back to step S310.Wherein, the order of above-mentioned steps is in order to illustrate, and the details of above-mentioned steps can refer to the explanation of the embodiment of Fig. 1 and Fig. 2, then repeats no more at this.
In sum, the digital optical processor projector of the embodiment of the present invention and display packing thereof, its signal processing unit produces synchrodata according to picture material, and signal comparing unit judges the whether corresponding left eye picture of the first signal according to synchrodata and judges the whether corresponding right eye picture of secondary signal.When the not corresponding left eye picture of the first synchronizing signal or the not corresponding right eye picture of the second synchronizing signal, then adjust the corresponding left eye picture of the first synchronizing signal and the corresponding right eye picture of the second synchronizing signal.By this, digital optical processor projector receives the picture material of 3D data format, automatic calibration synchronizing signal according to institute, and need not operate via audience and correct.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (18)
1. a digital optical processor projector, comprising:
One display unit, sequentially projects one first synchronizing signal, a left eye picture, one second synchronizing signal and a right eye picture;
It is characterized in that, this digital optical processor projector comprises:
One signal processing unit, couple this display unit, receive a picture material, and produce display data and a synchronizing information according to this picture material, wherein this display unit sequentially projects one first synchronizing signal, this left eye picture, one second synchronizing signal and this right eye picture according to these display data; And
One signal comparing unit, couple this signal processing unit and this display unit, to judge this first synchronizing signal according to this synchronizing information whether to should left eye picture or judge this second synchronizing signal whether to should right eye picture, when this first synchronizing signal not to should left eye picture or this second synchronizing signal not to should right eye picture, then export a synchronous correction signal to this display unit, with adjust this first synchronizing signal to should left eye picture and this second synchronizing signal to should right eye picture.
2. digital optical processor projector according to claim 1, during wherein this left eye picture is projeced into one first display during one first picture, during this right eye picture is projeced into one second display during one second picture.
3. digital optical processor projector according to claim 2, wherein this signal comparing unit judges this first synchronizing signal whether to should left eye picture according to the very first time during this first synchronizing signal to this first display.
4. digital optical processor projector according to claim 3, wherein when this very first time equals first Preset Time, this first synchronizing signal is to should left eye picture.
5. digital optical processor projector according to claim 2, wherein this signal comparing unit judges this second synchronizing signal whether to should right eye picture according to one second time during this second synchronizing signal to this second display.
6. digital optical processor projector according to claim 5, wherein when this second time equals second Preset Time, this first synchronizing signal is to should right eye picture.
7. digital optical processor projector according to claim 2, during wherein this first synchronizing signal is projeced into one first vertical blank during this first picture, during this second synchronizing signal is projeced into one second vertical blank during this second picture.
8. digital optical processor projector according to claim 1, wherein this first synchronizing signal and this second synchronizing signal are a grey menu.
9. digital optical processor projector according to claim 8, wherein this first synchronizing signal and this second synchronizing signal are a black picture.
10. digital optical processor projector according to claim 1, wherein this picture material meets the standard of a high picture quantity multimedia interface 1.4 editions.
The display packing of 11. 1 kinds of digital optical processor projector, comprising:
Sequentially project a left eye picture and a right eye picture;
It is characterized in that, the display packing of this digital optical processor projector comprises:
Display data and a synchronizing information is produced according to a picture material;
One first synchronizing signal, this left eye picture, one second synchronizing signal and this right eye picture is sequentially projected according to these display data;
This first synchronizing signal is judged whether to should left eye picture or judge this second synchronizing signal whether to should right eye picture according to this synchronizing information; And
When this first synchronizing signal not to should left eye picture or this second synchronizing signal not to should right eye picture, then adjust this first synchronizing signal to should left eye picture and this second synchronizing signal to should right eye picture.
The display packing of 12. digital optical processor projector according to claim 11, during wherein this left eye picture is projeced into one first display during one first picture, during this right eye picture is projeced into one second display during one second picture.
The display packing of 13. digital optical processor projector according to claim 12, wherein judges this first synchronizing signal whether to should the step of left eye picture comprise according to this synchronizing information:
This first synchronizing signal is judged whether to should left eye picture according to the very first time during this first synchronizing signal to this first display.
The display packing of 14. digital optical processor projector according to claim 13, wherein judges this first synchronizing signal whether to should the step of left eye picture comprise according to this very first time during this first synchronizing signal to this first display:
When this very first time equals first Preset Time, this first synchronizing signal is to should left eye picture.
The display packing of 15. digital optical processor projector according to claim 12, wherein judges this second synchronizing signal whether to should the step of right eye picture comprise according to this synchronizing information:
This second synchronizing signal is judged whether to should right eye picture according to one second time during this second synchronizing signal to this second display.
The display packing of 16. digital optical processor projector according to claim 15, wherein judges this second synchronizing signal whether to should the step of right eye picture comprise according to this second time during this second synchronizing signal to this second display:
When this second time equals second Preset Time, this second synchronizing signal is to should right eye picture.
The display packing of 17. digital optical processor projector according to claim 12, during wherein this first synchronizing signal is projeced into one first vertical blank during this first picture, during this second synchronizing signal is projeced into one second vertical blank during this second picture.
The display packing of 18. digital optical processor projector according to claim 11, wherein this picture material meets the standard of a high picture quantity multimedia interface 1.4 editions.
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| CN102387376A (en) * | 2010-09-01 | 2012-03-21 | 登尼克股份有限公司 | Adjustment system of three-dimensional (3D) display synchronous signals |
| CN102253591B (en) * | 2011-08-05 | 2013-09-04 | 暨南大学 | 3D (three-dimension) projection display system controlled by uniform frame sequence based on LED (light emitting diode) optical communication |
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