Display panels and driving method thereof
Technical field
The present invention relates to a kind of pair of turntable driving display panels and driving method thereof, relate in particular to two turntable driving display panels and the driving method thereof that effectively to avoid scanning voltage coupling distortion.
Background technology
Because advantages such as liquid crystal display panel of thin film transistor (thin film transistor liquid crystal panel) has gently, approaches, power consumption is little are widely used in present information equipment such as TV, notebook computer, mobile phone, personal digital assistant.At present, the application of display panels on market is more and more important.
Shown in Figure 1 is the structural representation of common liquid crystals display panel.As shown in Figure 1; Top glass substrate 200 is generally colored filter substrate; Colored filter is set on it; Be integrated with thin film transistor (TFT) (thin film transistor) on the lower glass substrate 100, sandwich liquid crystal layer 400 between top glass substrate 200 and the lower glass substrate 100, and attach polaroid 300 in the outside of top glass substrate 200 and lower glass substrate 100 usually.Display panels is realized showing through the voltage that adjusting is applied to liquid crystal layer 400 two ends.
Shown in Figure 2 is the structural representation of the lower glass substrate 100 of display panels, each interelement connection synoptic diagram in the lower glass substrate shown in it 100.As shown in Figure 2, lower glass substrate 100 comprises multi-strip scanning line 111 and many data lines 121, wherein multi-strip scanning line 111 and the 121 mutual vertical settings of many data lines.Each of a plurality of pixels 140 comprises pixel electrode and thin film transistor (TFT) 130.Display panels also comprises data drive circuit 120, links to each other with said many data lines 121, and turntable driving integrated circuit 110, link to each other with said multi-strip scanning line 111.The conducting state that sweep trace 111 passes through from the signal controlling thin film transistor (TFT) of turntable driving integrated circuit 110, shows signal sends thin film transistor (TFT) 130 to through data line 121 simultaneously, and is each pixel 140 charging, thereby realizes showing.In display panels, the number of sweep trace 111 has determined the number and the volume of turntable driving integrated circuit 110, and the number of data line 121 has determined the number and the volume of data-driven integrated circuit 120 simultaneously.
Turntable driving integrated circuit 110 costs are lower than the cost of data-driven integrated circuit 120, and are integrated on the lower glass substrate 100 when being easy to make with thin film transistor (TFT) 130.Therefore for the display panels of same resolution; Quantity through increasing sweep trace 111 is to reach the purpose of the quantity that reduces data line 121; Be the effective ways of saving the integrated circuit cost, so some manufacturers have proposed the display panels of two turntable driving.
Shown in Figure 3 is existing pair of turntable driving display panels synoptic diagram; The difference of itself and common liquid crystals display panel shown in Figure 2 is; Every capable pixel is by two sweep trace controls that are positioned at the pixel both sides; The odd column pixel is by the odd line interlace line traffic control, and the even column pixel is controlled by the even number line sweep trace.Particularly; If rise on the every row of a definition left side is first pixel; Odd pixel such as then every row first pixel, the 3rd pixel all be by sweep trace 111-1, sweep trace 111-3 ... Drive on the odd line interlace line, even pixel such as every row second pixel, the 4th pixel then be by sweep trace 111-2, sweep trace 111-4 ... Control etc. the even number line sweep trace.In two turntable driving display panels, the number of sweep trace 111 has increased by one times, and the number of data line 121 then reduces to 1/2nd, therefore can reduce the quantity of data-driven IC, thereby reduces the cost of display panels.
There is following problem in the existing pair of turntable driving display panels; Because the number of sweep trace 111 has increased by one times; Make between per two row pixels two adjacent sweep traces to be set, like sweep trace 111-2 and sweep trace 111-3, sweep trace 111-4 and sweep trace 111-5 etc.When applying signal with the scanning display panels for sweep trace successively, can produce stray capacitance 150 between the adjacent sweep trace, as shown in Figure 4, can impact scan control signal.
When Fig. 5 A and Fig. 5 B are depicted as the two turntable driving display panels that drives among Fig. 3; When scan drive circuit 110 applied sweep signal successively with the driving liquid crystal panel, sweep signal was because the influence of stray capacitance 150 shown in Figure 4 produces the synoptic diagram of distortion.Fig. 5 A is the sequential chart of the sweep signal of scan drive circuit output.Fig. 5 B is depicted as the effect synoptic diagram that sweep signal intercouples and produces distortion owing to adjacent scanning-line signal in two turntable driving panels.As shown in the figure, sweep signal can produce distortion as shown in the figure, and this distortion will have a strong impact on the display effect of display panels.
Problem to two turntable driving display panels existence; The present invention proposes a kind of type of drive of new pair of turntable driving display panels, and this type of drive can avoid sweep signal in two turntable driving display panels to intercouple distortion and the shortcoming that causes display effect to descend.
Summary of the invention
The object of the present invention is to provide a kind of pair of turntable driving display panels, can effectively avoid intercoupling distortion between the adjacent scanning lines and the shortcoming that causes display effect to descend.
The present invention also aims to provide the driving method of a kind of pair of turntable driving display panels, can effectively prevent the problem of coupling distortion between the adjacent scanning lines.
For addressing the above problem, display panels of the present invention comprises first substrate and second substrate, said first substrate and the parallel setting of said second substrate, and filling liquid crystal material betwixt; What on said first substrate, form is many to sweep trace, and every pair of sweep trace comprises the first parallel sweep trace and second sweep trace; Many data lines that on said first substrate, form are provided with sweep trace is vertical with many; A plurality of pixels are intersected to form sweep trace and many data lines by many, and every capable pixel is corresponding to a pair of said sweep trace and be sandwiched between a pair of said sweep trace; And a plurality of switches, be formed in each pixel, wherein there is not the sequential of the adjacent sweep trace input scan signal that pixel separates non-conterminous.
As a kind of preferred version of the present invention, said first sweep trace is a sweep trace nearer apart from the next line pixel, and sweep signal is imported first sweep trace and second sweep trace successively.
For addressing the above problem, the present invention also provides the driving method of display panels, and said display panels comprises first substrate and second substrate, said first substrate and the parallel setting of said second substrate, and filling liquid crystal material betwixt; What on said first substrate, form is many to sweep trace, and every pair of said sweep trace comprises the first parallel sweep trace and second sweep trace; Many data lines that on said first substrate, form manyly are provided with sweep trace is vertical with said; A plurality of pixels; Many sweep trace and said many data lines are intersected to form by said; And every capable pixel is corresponding to a pair of said sweep trace and be sandwiched between a pair of said sweep trace, and said first sweep trace is nearer apart from the next line pixel than said second sweep trace apart from the next line pixel; And a plurality of switches; Be formed in each pixel, said driving method comprises through sweep trace input scan signal to each pixel, to open the step of the switch in each pixel; Wherein, there is not the sequential of the adjacent sweep trace input scan signal that pixel separates non-conterminous.
Because in the driving method of display panels of the present invention and display panels; There is not the sequential of the adjacent sweep trace input scan signal that pixel separates non-conterminous; Therefore the problem of the signal coupling distortion of adjacent scanning lines in existing two turntable driving display panels can not occur, thereby can save drive integrated circult, when reducing cost; Guarantee and improve the display effect of display panels, and can not make that the manufacturing process of display panels is complicated.
Description of drawings
Shown in Figure 1 is the structural representation of common liquid crystals display panel.
Shown in Figure 2 is the structural representation of the lower glass substrate of display panels.
Shown in Figure 3 is the synoptic diagram of existing pair of turntable driving display panels.
Shown in Figure 4 is in the existing pair of turntable driving display panels, produces the synoptic diagram of stray capacitance between the adjacent sweep trace.
Fig. 5 A is depicted as in the existing pair of turntable driving display panels, the sequential chart of the sweep signal of scan drive circuit output.
Fig. 5 B is depicted as in the existing pair of turntable driving display panels, the effect synoptic diagram that sweep signal intercouples and produces distortion owing to adjacent scanning-line signal in two turntable driving panels.
Shown in Figure 6 is the structural representation of the lower glass substrate 2 of of the present invention pair of turntable driving display panels.
Fig. 7 (A) is depicted as the sequential chart of the scan drive circuit of of the present invention pair of turntable driving display panels.
Fig. 7 (B) is depicted as the emulation synoptic diagram of the scanning drive signal of of the present invention pair of turntable driving display panels.
Shown in Figure 8 for the present invention when use is integrated with the drive integrated circult of data-driven function and turntable driving function, the annexation synoptic diagram of sweep trace and data line and drive integrated circult.
Shown in Figure 9 for the present invention when use is integrated with the drive integrated circult of data-driven function and turntable driving function, the synoptic diagram of another embodiment that sweep trace and data line and drive integrated circult link to each other respectively.
Embodiment
Consult Fig. 6, Fig. 7 (A) and Fig. 7 (B) below embodiment of the present invention is described.Structural representation for the lower glass substrate 2 of two turntable driving display panels among the present invention shown in Figure 6.As shown in Figure 6, form many data lines intersected with each other 212 and sweep trace 211 on the lower glass substrate 2 of of the present invention pair of turntable driving display panels, and form pixel electrode 240 and thin film transistor (TFT) 230 in each pixel.One-row pixels electrode 240 on the lower glass substrate 2 of this pair turntable driving display panels is controlled by two sweep traces, and each data lines 212 is two adjacent pixels input data signals.For example, the first row pixel is controlled respectively by sweep trace 211-1 and sweep trace 211-2, and the grid of thin film transistor (TFT) 230 of neighbor that particularly is connected to same data lines 212 is continuous with different sweep trace respectively.
Specify the type of drive of of the present invention pair of turntable driving display panels below with reference to Fig. 7 (A) and Fig. 7 (B).Fig. 7 (A) is depicted as the sequential chart of the scan drive circuit of the two turntable driving display panels of the present invention.Vg1 among Fig. 7 (A), Vg2, Vg3, Vg4, Vg5, Vg6 represent to be input to the scanning drive signal of gate line respectively; And drive signal Vg1, Vg2, Vg3, Vg4, Vg5, Vg6 respectively with two turntable driving display panels in sweep trace 211-1,211-2,211-3,211-4,211-5,211-6 corresponding, promptly sweep signal is input to sweep trace 211-1,211-2,211-3,211-4,211-5,211-6 successively ...
Specify the working method of the two turntable driving display panels of the present invention below, please refer to shown in Figure 6ly, the multi-strip scanning line links to each other with turntable driving integrated circuit (not shown) respectively, and many data lines link to each other with data-driven integrated circuit (not shown) respectively.When two turntable driving display panels are worked; Sweep trace 211-1,211-2,211-3,211-4,211-5,211-6 ... Successively the input scan signal to the grid of the thin film transistor (TFT) of the pixel that is attached thereto to open thin film transistor (TFT); With the first row pixel is that example describes; When the sweep signal of a waveform of sweep trace 211-1 input was opened the thin film transistor (TFT) of respective pixel, many data line input data signals arrived and the corresponding pixel of sweep trace 211-1, work as sweep trace
When the sweep signal of a waveform of 211-2 input is opened the thin film transistor (TFT) with sweep trace 211-2 respective pixel, many data line input data signals to and the corresponding pixel of sweep trace 211-2.Promptly when opening the thin film transistor (TFT) of corresponding pixel respectively successively with two sweep traces of delegation's pixel, data line respectively is the pixel input data signal of the thin film transistor (TFT) that is in open mode.
Shown in Fig. 6 and Fig. 7 (A), because in type of drive of the present invention, the order that scanning drive signal is input to sweep trace is followed successively by sweep trace 211-1; Sweep trace 211-2; Sweep trace 211-3, sweep trace 211-4, sweep trace 211-5, sweep trace 211-6 ... Therefore two adjacent sweep traces that are provided with between the two row pixels are input scan signal successively not, thereby can avoid the problem of scanning drive signal distortion.Particularly, adjacent sweep trace 211-1 and sweep trace 211-4, sweep trace 211-3 and sweep trace 211-6, their voltage signal of input is interleaved on sequential.
Fig. 7 (B) is depicted as the emulation synoptic diagram of the scanning drive signal of of the present invention pair of turntable driving display panels.Shown in Fig. 7 (B), the wave form varies of scanning drive signal is less, can not cause serious distortion owing to the coupling of adjacent scanning lines, thereby can improve display quality greatly.
See also Fig. 8, shown in Figure 8 for the present invention when use is integrated with the drive integrated circult of data-driven function and turntable driving function, the annexation synoptic diagram of sweep trace and data line and drive integrated circult.
As shown in the figure; The both sides of drive integrated circult 150 are provided with the sweep signal output terminal, respectively with multi-strip scanning line G1, G2, G3 ... Link to each other and the input scan signal, the centre of drive integrated circult 150 is provided with the data-signal output terminal; Link to each other with many data lines respectively, and input data signal.Sweep signal is input to sweep trace G1, G2, G3 successively ... With the driving liquid crystal panel; Because sweep signal is input to sweep trace G1, G2, G3 successively ... Therefore can not produce stray capacitance between the adjacent sweep trace between the two row pixels; Thereby can when reducing cost, improve the display quality of display panels.
Shown in Figure 9 for the present invention when use is integrated with the drive integrated circult of data-driven function and turntable driving function, the synoptic diagram of another embodiment that sweep trace and data line and drive integrated circult link to each other respectively.Be with the difference of display panels infrabasal plate synoptic diagram shown in Figure 8; Inner at panel; Each row pixel is corresponding to a data line, and two adjacent data lines join end to end, and two shared data line input ends of data line link to each other with drive integrated circult 250.Likewise; Sweep signal is input to sweep trace G1, G2, G3 successively ... Data-signal is input in the pixel of opening thin film transistor (TFT) according to the sequential of sweep signal successively simultaneously; Because in the present invention, the situation of the signal of input scan successively can not appear in the two adjacent sweep traces between the adjacent two row pixels, the mutual coupling between the adjacent scanning lines that therefore can not occur existing in existing two turntable driving display panels and produce the problem of stray capacitance; Thereby display panels of the present invention can effectively improve the display quality of display panels in the cost that reduces display panels.
Through specific embodiment of the present invention we can knowledge capital the advantage of invention; Promptly in two turntable driving display panels; Through changing type of drive; The problem in existing two turntable driving display panels can be avoided effectively, in the cost that reduces display panels, the display quality of two turntable driving display panels can be effectively guaranteed.
Though the present invention discloses as above with preferred embodiment, be not in order to limiting the present invention, anyly know those skilled in the art, do not breaking away from the spirit and scope of the present invention, change and polishing to the present invention does all drop within protection scope of the present invention.