CN101996604B - Liquid crystal display system of double signal modes and driving method thereof - Google Patents
Liquid crystal display system of double signal modes and driving method thereof Download PDFInfo
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- CN101996604B CN101996604B CN2010105242403A CN201010524240A CN101996604B CN 101996604 B CN101996604 B CN 101996604B CN 2010105242403 A CN2010105242403 A CN 2010105242403A CN 201010524240 A CN201010524240 A CN 201010524240A CN 101996604 B CN101996604 B CN 101996604B
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Abstract
The invention relates to a liquid crystal display system of double signal modes and a driving method thereof. The liquid crystal display system comprises a display unit, a data control unit and a scanning control unit, wherein the display unit comprises a plurality of scanning lines; the data control unit is coupled to the display unit and outputs picture signals to the display unit; the scanning control unit is provided with a plurality of scanning ends, and the plurality of scanning lines are coupled at the plurality of scanning ends through a plurality of first switches and a plurality of second switches respectively; when the data control unit outputs the picture signals of a first frame, the plurality of first switches are switched on, and left eye signals in the picture signals are input into the display unit; and when the data control unit outputs the picture signals of a second frame, the plurality of second switches are switched on, and right eye signals in the picture signals are input into the display unit. The liquid crystal display system can be applied to the polarized and shutter type picture signals; and two classes of picture signals can be used in one liquid crystal display system, and the three-dimensional effect can be accurately displayed.
Description
Technical field
The present invention relates to a kind of liquid crystal display systems and driving method thereof of dual signal model, particularly about the liquid crystal display systems and the driving method thereof of the shared polaroid glasses formula of a kind of ability stereoscopic picture plane signal and shutter glasses formula stereoscopic picture plane signal.
Background technology
Aspect the development of display technique, except pursue compact, more hope to accomplish to show the target of stereo-picture.At present, stereo display technique can roughly be divided into the user need wear the glasses of particular design or directly bore hole dual mode such as watch.Hyperphoria with fixed eyeballs mirror stereo display technique comprises shutter glasses formula stereo display technique and polaroid glasses formula stereo display technique.Wherein, the stereo display of shutter glasses formula is to be that the right and left eyes signal is distinguished by unit with the frame, and the left eye glasses are opened after first frame is the left eye signal, is shown to display unit; The right eye glasses are opened after second frame is the right eye signal, is shown to display unit, and observer's right and left eyes receives different pictures, form stereoeffect.And the stereo display of polaroid glasses formula is to distinguish the right and left eyes signal with behavior unit; Like odd number behavior left eye signal; Even number behavior right eye signal; Then attach the polaroid of quadrature respectively, cooperate corresponding polaroid glasses can let right and left eyes receive different pictures, form stereoeffect in the corresponding position of display unit.
Though above-mentioned two kinds of stereo display techniques are all ripe; But the problem that exists is: because the otherness of the right and left eyes signal arrangement mode of the stereo display of polaroid glasses formula and the stereo display of shutter glasses formula; Make that the picture signal of two kinds of systems can't be shared; The necessary corresponding shutter glasses formula stereoscopic picture plane signal (frame frame alternating expression) of the display system of shutter glasses formula; The necessary corresponding polaroid glasses formula stereoscopic picture plane signal (every trade alternating expression) of the display system of polaroid glasses formula can not become a great problem that perplexs the technician by shared multiple picture signal for a display system.
Summary of the invention
In view of this, the present invention provides a kind of liquid crystal display systems of dual signal model, and it comprises display unit, DCU data control unit and scan control unit, and this display unit comprises the multi-strip scanning line, and each bar sweep trace is controlled a plurality of pixels; This DCU data control unit is coupled to this display unit, and this DCU data control unit output picture signal is to this display unit; This scan control unit has a plurality of scanning ends, and many these sweep traces are respectively coupled to this a plurality of scanning ends through a plurality of first switches and a plurality of second switch; Wherein, when DCU data control unit is exported first frame picture signal, a plurality of these first switch conductions, this display unit of left eye signal input in this picture signal; When DCU data control unit is exported second frame picture signal, a plurality of these second switch conductings, this display unit of right eye signal input in this picture signal.
According to described liquid crystal display systems, the conducting of this first switch of first control signal control; The conducting of this second switch of second control signal control; Said first control signal and said second control signal are produced by said DCU data control unit or said scan control unit.
According to described liquid crystal display systems; Many this sweep trace comprises many first sweep traces and many second sweep traces; Many these first sweep traces and many these second sweep traces are interconnected, and a scanning end is connected this first sweep trace and this second sweep trace respectively through this first switch and this second switch.
According to described liquid crystal display systems, this picture signal is left eye signal and the staggered shutter glasses formula stereoscopic picture plane signal of right eye signal frame frame.
According to described liquid crystal display systems, each this sweep trace is coupled to two adjacent this scanning ends through this first switch of parallel connection with this second switch.
According to described liquid crystal display systems, this picture signal is the polaroid glasses formula stereoscopic picture plane signal of left eye signal and right eye signal rows line interlacing.
According to described liquid crystal display systems, first frame picture signal is identical with second frame picture signal.
According to another embodiment; The present invention provides a kind of driving method of liquid crystal display systems of dual signal model; The liquid crystal display systems of this dual signal model is the liquid crystal display systems of above-mentioned dual signal model, and this driving method comprises: export first frame picture signal to this display unit; Export first control signal, a plurality of these first switches of this first control signal conducting, this display unit of left eye signal input in this picture signal; Export second frame picture signal to this display unit; Export second control signal, a plurality of these second switches of this second control signal conducting, this display unit of right eye signal input in this picture signal.
According to described driving method, this first control signal and this second control signal anti-phase.
According to described driving method, equal the time span of this this first frame picture of display unit scanning during the activation of this first control signal, equal the time span of this this second frame picture of display unit scanning during the activation of this second control signal.
The liquid crystal display systems of dual signal model of the present invention and driving method thereof; Be that two groups of switches are set between display unit and driver element; Folding through two groups of switches matches with DCU data control unit output picture signal; Make liquid crystal display systems of the present invention can be applicable to polaroid glasses formula stereoscopic picture plane signal and shutter glasses formula stereoscopic picture plane signal, realize the shared two types of picture signals of liquid crystal display systems.
Can further be understood by following description of drawings and embodiment detailed description in advantage of the present invention and spirit.
Description of drawings
Fig. 1 is the synoptic diagram of the liquid crystal display systems of embodiment of the invention dual signal model.
Fig. 2 is the synoptic diagram of the liquid crystal display systems of another embodiment dual signal model of the present invention.
Embodiment
Please with reference to Fig. 1, Fig. 1 is the synoptic diagram of the liquid crystal display systems of embodiment of the invention dual signal model.As shown in Figure 1; This embodiment provides a kind of liquid crystal display systems 100 of dual signal model; It is on traditional polaroid glasses formula liquid crystal display systems, to improve; Make liquid crystal display systems 100 can not only normally accept polaroid glasses formula stereoscopic picture plane signal, also can correctly accept shutter glasses formula stereoscopic picture plane signal, realize the liquid crystal display systems of the dual signal model of the shared two kinds of signals of a kind of liquid crystal display systems.The liquid crystal display systems 100 of dual signal model of the present invention comprises display unit 110, DCU data control unit 120 and scan control unit 130, and this display unit 110 comprises the multi-strip scanning line, and each bar sweep trace is controlled a plurality of pixels (as 11～14 etc.).This DCU data control unit 120 is coupled to this display unit 110, and these DCU data control unit 120 output picture signals are to this display unit 110.This scan control unit 130 has a plurality of scanning end G1～Gn, and these sweep traces are respectively coupled to these scanning ends G1～Gn through a plurality of first K switch 1 with a plurality of second switch K2.Wherein, when DCU data control unit 120 outputs first frame picture signal, a plurality of these first K switch, 1 conductings, this display unit 110 of left eye signal input in this picture signal; When DCU data control unit 120 outputs second frame picture signal, a plurality of this second switch K2 conducting, this display unit 110 of right eye signal input in this picture signal.
As shown in Figure 1; The display unit 110 of the liquid crystal display systems 100 of described dual signal model is a polaroid glasses formula display unit; Many of display unit 110 these sweep traces comprise many first sweep trace L1 and many second sweep trace L2; These first sweep traces L1 and these second sweep traces L2 are interconnected, and these first sweep traces L1 and these second sweep traces L2 are corresponding to mutually orthogonal polaroid.As shown in Figure 1, each scanning end (like G1 to Gn) of driving control unit 130 is connected one first sweep trace L1 and one second sweep trace L2 through this first K switch 1 respectively with this second switch K2.The conducting of this first K switch 1 of first control signal SK1 control.The conducting of this second switch of second control signal SK2 control K2.Said first control signal SK1 and the said second control signal SK2 are produced by said DCU data control unit 110 or said scan control unit 130; Present embodiment only produces the first control signal SK1 with scan control unit 130 and the second control signal SK2 is the example explanation, but not as limit.
Below in conjunction with above-mentioned liquid crystal display systems 100; Introduce its driving method in detail; Export first frame picture signal to this display unit 110 when DCU data control unit 120, this picture signal is the shutter glasses formula stereoscopic picture plane signal that left eye signal and right eye signal frame frame interlock.The scan control unit 130 outputs first control signal SK1; A plurality of these first K switch 1 of this first control signal SK1 conducting; And scan control unit 130 is successively to scanning end G1 to Gn output scanning signal; Then open these first sweep traces L1 successively, the left eye signal in this picture signal is imported the odd-numbered line pixel that the first sweep trace L1 is controlled in this display unit 110 successively.Because second control signal of scan control unit 130 outputs is a logic low-voltage during DCU data control unit 120 outputs first frame picture signal, these second switches K2 closes, and the even number line pixel of avoiding the second sweep trace L2 to be controlled whereby is written into information.When DCU data control unit 120 is exported second frame picture signal to this display unit 110; The scan control unit 130 outputs second control signal SK1; A plurality of this second switch of this second control signal SK2 conducting K2; These second sweep traces L2 to scanning end G1 to Gn output scanning signal, is then opened successively successively in scan control unit 130 simultaneously, the even number line pixel that the second sweep trace L2 is controlled in this display unit 110 of right eye signal input in this picture signal.Because first control signal of scan control unit 130 outputs is a logic low-voltage during DCU data control unit 120 outputs second frame picture signal; These first K switch 1 are closed, and the odd number of avoiding these first sweep traces L1 to be controlled is whereby counted the row pixel and is written into information.In the driving method of this specific embodiment; This first control signal SK1 and this second control signal SK2 anti-phase; Equal the time span of these display unit 110 these first frame pictures of scanning during the activation of this first control signal SK1, equal the time span of this this second frame picture of display unit scanning during the activation of this second control signal SK2.Thus; The staggered shutter glasses formula stereoscopic picture plane signal of these frame frames can be shown on the display unit 110 of liquid crystal display systems 100 with the staggered polaroid glasses formula stereoscopic picture plane signal of every trade; Realization has the staggered shutter glasses formula stereoscopic picture plane signal of the correct received frame frame of liquid crystal display systems 100 abilities of polaroid glasses formula display unit 110, and then demonstrates the stereoscopic picture plane effect.
Below in conjunction with Fig. 1, when again data control module 120 being exported the staggered polaroid glasses formula stereoscopic picture plane signal of normal every trade to this display unit 110, the driving method of the liquid crystal display systems 100 of above-mentioned dual signal model.Export first frame picture signal to this display unit 110 when DCU data control unit 120, this picture signal is the polaroid glasses formula stereoscopic picture plane signal of left eye signal and right eye signal rows line interlacing.Scan control unit 130 is successively to scanning end G1 to Gn output scanning signal; G1 is an example with the scanning end; In scan control unit 130 is during scanning end G1 output scanning signal, preceding half section time scan control module during this period 130 outputs first control signal SK1, this first K switch 1 of this first control signal SK1 conducting; In this first frame picture signal first row left eye signal writes article one first sweep trace L1 of this display unit 110; The second half section time scan control module during this period 130 outputs second control signal SK2, this second switch of this second control signal SK2 conducting K2, the row of first in this first frame picture signal right eye signal writes article one second sweep trace L2 of this display unit 110; And the like; The staggered polaroid glasses formula stereoscopic picture plane signal of this first frame every trade can be in regular turn correctly writes in this display unit 110 with the form of the staggered picture signal of every trade, and therefore, liquid crystal display systems 100 of the present invention can receive normal polaroid glasses formula stereoscopic picture plane signal; Can correctly receive shutter glasses formula stereoscopic picture plane signal again, realize the shared two types of picture signals of liquid crystal display systems.
Please with reference to Fig. 2, Fig. 2 is the synoptic diagram of the liquid crystal display systems of another embodiment dual signal model of the present invention.As shown in Figure 2; This embodiment provides a kind of liquid crystal display systems 200 of dual signal model; It is on traditional shutter glasses formula liquid crystal display systems, to improve; Make liquid crystal display systems 200 can not only normally accept the picture signal of shutter glasses formula, also can correctly accept polaroid glasses formula stereoscopic picture plane signal, realize the liquid crystal display systems of the dual signal model of the shared two kinds of signals of a kind of liquid crystal display systems.The liquid crystal display systems 200 of dual signal model of the present invention comprises display unit 210, DCU data control unit 220 and scan control unit 230, and this display unit 210 comprises multi-strip scanning line L1～Ln, and each bar sweep trace is controlled a plurality of pixels (as 11～14 etc.).This DCU data control unit 220 is coupled to this display unit 210, and these DCU data control unit 220 output picture signals are to this display unit 210.This scan control unit 230 has a plurality of scanning end G1～G2n, and the multi-strip scanning line is respectively coupled to a plurality of scanning end G1～G2n through a plurality of first K switch 1 with a plurality of second switch K2.Wherein, when DCU data control unit 220 outputs first frame picture signal, a plurality of these first K switch, 1 conductings, this display unit 210 of left eye signal input in this picture signal; When DCU data control unit 220 outputs second frame picture signal, a plurality of this second switch K2 conducting, this display unit 210 of right eye signal input in this picture signal.
As shown in Figure 2, the display unit 210 of the liquid crystal display systems 200 of described dual signal model is a shutter glasses formula display unit.As shown in Figure 2, each bar sweep trace is coupled to two adjacent this scanning ends through this first K switch 1 of parallel connection with this second switch K2.The conducting of this first K switch 1 of first control signal SK1 control.The conducting of this second switch of second control signal SK2 control K2.Said first control signal SK1 and the said second control signal SK2 are produced by said DCU data control unit 210 or said scan control unit 230; Present embodiment only produces the first control signal SK1 with scan control unit 230 and the second control signal SK2 is the example explanation, but not as limit.
Below in conjunction with above-mentioned liquid crystal display systems 200; Introduce its driving method in detail; Export first frame picture signal to this display unit 210 when DCU data control unit 220, this picture signal is the polaroid glasses formula stereoscopic picture plane signal of left eye signal and right eye signal rows line interlacing.Scan control unit 230 is successively to scanning end G1 to G2n output scanning signal; And export the first control signal SK1; A plurality of these first K switch 1 of this first control signal SK1 conducting; Then under the control of odd number scanning end, open these sweep traces L1～Ln successively, because the sweep signal of even-line interlace end output ended by K switch 2, this display unit 210 of left eye signal input only in this picture signal.When DCU data control unit 220 is exported second frame picture signal to this display unit 210; Scan control unit 230 is successively to scanning end G1 to G2n output scanning signal; And export the second control signal SK2; A plurality of this second switch of this second control signal SK2 conducting K2 opens these sweep traces L1～Ln successively, then this display unit 210 of right eye signal input only in this picture signal.In the driving method of this specific embodiment; This first control signal SK1 and this second control signal SK2 anti-phase; Equal the time span of these display unit 210 these first frame pictures of scanning during the activation of this first control signal SK1, equal the time span of these display unit 210 these second frame pictures of scanning during the activation of this second control signal SK2.This embodiment requires first frame picture signal identical with second frame picture signal; The 3rd frame picture signal is identical with the 4th frame picture signal successively; Thus; The staggered polaroid glasses formula stereoscopic picture plane signal of these every trades can be shown on the display unit 210 of liquid crystal display systems 200 with the staggered shutter glasses formula picture signal of frame frame; The liquid crystal display systems 200 that realization has shutter glasses formula display unit 210 can correctly receive the staggered polaroid glasses formula stereoscopic picture plane signal of every trade, and can demonstrate the stereoscopic picture plane effect well.
Below in conjunction with Fig. 2, when again data control module 220 being exported the staggered shutter glasses formula stereoscopic picture plane signal of normal frame frame to this display unit 210, the driving method of the liquid crystal display systems 200 of above-mentioned dual signal model.Export first frame picture signal to this display unit 210 when DCU data control unit 220, this picture signal is the shutter glasses formula stereoscopic picture plane signal that left eye signal and right eye signal frame frame interlock.Scan control unit 130 is successively to scanning end G1 to G2n output scanning signal; Scan control unit 130 is exported the first control signal SK1 all the time; These first K switch 1 of conducting; All the time close simultaneously these second switches K2, for the staggered picture signal of the frame frame of each frame, its each row picture signal write time is corresponding to the sweep time of two scanning ends.The first row picture signal in first frame picture signal is write fashionable; First scanning end output scanning signal, article one sweep trace L1 of this display unit 210 writes the row of first in first frame picture signal picture signal, and the second row picture signal in first frame picture signal is write fashionable; The 3rd scanning end output scanning signal; The second sweep trace L2 of this display unit 210 writes the row of second in first frame picture signal picture signal, and the like, the staggered shutter glasses formula stereoscopic picture plane signal of this frame frame can correctly write in this display unit 210; Therefore; Liquid crystal display systems 200 of the present invention can receive normal shutter glasses formula stereoscopic picture plane signal, can correctly receive polaroid glasses formula stereoscopic picture plane signal again, realizes the shared two types of picture signals of liquid crystal display systems.
The liquid crystal display systems of dual signal model of the present invention and driving method thereof; Be that two groups of switches are set between display unit and driver element; Folding through two groups of switches matches with DCU data control unit output picture signal; Make liquid crystal display systems of the present invention can be applicable to polaroid glasses formula stereoscopic picture plane signal and shutter glasses formula stereoscopic picture plane signal, realize the shared two types of picture signals of liquid crystal display systems and can correctly demonstrate stereoscopic picture plane.
According to the detailed description of above embodiment, hope can be known description characteristic of the present invention and spirit more, and is not to come the present invention is limited with the above-mentioned embodiment that is disclosed.
Claims (10)
1. the liquid crystal display systems of a dual signal model is characterized in that comprising:
Display unit comprises the multi-strip scanning line, and each bar sweep trace is controlled a plurality of pixels;
DCU data control unit is coupled to this display unit, and this DCU data control unit output picture signal is to this display unit; And
The scan control unit; Have a plurality of scanning ends; Many this sweep trace is respectively coupled to this a plurality of scanning ends through a plurality of first switches and a plurality of second switch; Many this sweep trace comprises many first sweep traces and many second sweep traces, and many these first sweep traces and many these second sweep traces are interconnected, and a scanning end is connected this first sweep trace and this second sweep trace respectively through this first switch and this second switch;
Wherein, when DCU data control unit is exported first frame picture signal, a plurality of these first switch conductions, this display unit of left eye signal input in this picture signal; When DCU data control unit is exported second frame picture signal, a plurality of these second switch conductings, this display unit of right eye signal input in this picture signal.
2. liquid crystal display systems according to claim 1 is characterized in that: the conducting of this first switch of first control signal control; The conducting of this second switch of second control signal control; Said first control signal and said second control signal are produced by said DCU data control unit or said scan control unit.
3. liquid crystal display systems according to claim 1 is characterized in that: this picture signal is left eye signal and the staggered shutter glasses formula stereoscopic picture plane signal of right eye signal frame frame.
4. the liquid crystal display systems of a dual signal model is characterized in that comprising:
Display unit comprises the multi-strip scanning line, and each bar sweep trace is controlled a plurality of pixels;
DCU data control unit is coupled to this display unit, and this DCU data control unit output picture signal is to this display unit; And
The scan control unit has a plurality of scanning ends, and many these sweep traces are respectively coupled to this a plurality of scanning ends through a plurality of first switches and a plurality of second switch, and each this sweep trace is coupled to two adjacent this scanning ends through this first switch of parallel connection with this second switch;
Wherein, when DCU data control unit is exported first frame picture signal, a plurality of these first switch conductions, this display unit of left eye signal input in this picture signal; When DCU data control unit is exported second frame picture signal, a plurality of these second switch conductings, this display unit of right eye signal input in this picture signal.
5. liquid crystal display systems according to claim 4 is characterized in that: the conducting of this first switch of first control signal control; The conducting of this second switch of second control signal control; Said first control signal and said second control signal are produced by said DCU data control unit or said scan control unit.
6. liquid crystal display systems according to claim 4 is characterized in that: this picture signal is the polaroid glasses formula stereoscopic picture plane signal of left eye signal and right eye signal rows line interlacing.
7. liquid crystal display systems according to claim 6 is characterized in that: first frame picture signal is identical with second frame picture signal.
8. the driving method of the liquid crystal display systems of a dual signal model, the liquid crystal display systems of this dual signal model is the liquid crystal display systems of the described dual signal model of claim 1 to 7, it is characterized in that this driving method comprises:
Export first frame picture signal to this display unit;
Export first control signal, a plurality of these first switches of this first control signal conducting, this display unit of left eye signal input in this picture signal;
Export second frame picture signal to this display unit;
Export second control signal, a plurality of these second switches of this second control signal conducting, this display unit of right eye signal input in this picture signal.
9. driving method according to claim 8 is characterized in that: this first control signal and this second control signal anti-phase.
10. driving method according to claim 8; It is characterized in that: equal the time span of this this first frame picture of display unit scanning during the activation of this first control signal, equal the time span of this this second frame picture of display unit scanning during the activation of this second control signal.
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| CN104575371B (en) * | 2013-10-24 | 2017-04-19 | 昆山工研院新型平板显示技术中心有限公司 | Touch-type 3D display panel and control method thereof |
| CN103676279B (en) * | 2013-12-17 | 2016-07-06 | 深圳市华星光电技术有限公司 | For the thin film polarization type 3D display panels shown and liquid crystal indicator |
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| CN101183177A (en) * | 2007-12-13 | 2008-05-21 | 友达光电股份有限公司 | Steroscopic display and manufacturing method thereof |
| US8331023B2 (en) * | 2008-09-07 | 2012-12-11 | Mediatek Inc. | Adjustable parallax barrier 3D display |
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