CN103366703A - 3D (Three-dimensional) liquid crystal display and anti-crosstalk method thereof - Google Patents
3D (Three-dimensional) liquid crystal display and anti-crosstalk method thereof Download PDFInfo
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Abstract
The invention provides a 3D (Three-dimensional) liquid crystal display and an anti-crosstalk method thereof. The 3D liquid crystal display comprises a general display area and a dark line display area, wherein the general display area comprises a first pixel electrode and a first switching unit; the dark line display area comprises a second pixel electrode and a second switching unit; the first switching unit comprises a first grid connected with a scanning line, a first source connected with a data line, and a first drain connected with the first pixel electrode; and the second switching unit comprises a second grid connected with a public electrode line, a second source connected with the first drain, and a second drain connected with the second pixel electrode. According to the 3D liquid crystal display, the problem of the conventional polarized 3D crosstalk is solved, normal display of pixels is maintained when 2D (two-dimensional) pictures are displayed on the liquid crystal display, a polarized film does not have any dark line region, and the transmittance of the displayed 2D pictures is not influenced by the existence of the dark line region; and in a 3D display mode, the dark line region for relieving 3D problems is formed in a pixel area, so that the 3D picture display quality is improved.
Description
Technical field
The present invention relates to the method for a kind of polarization type 3D liquid crystal display and anti-crosstalk thereof.
Background technology
FPR(Film-type Patterned Retarder, polarization type) be one of imaging mode of existing 3D liquid crystal display.Figure 1 shows that the synoptic diagram of existing polarization type 3D liquid crystal display, polarization type 3D liquid crystal indicator comprises display panels 10, be positioned at the Polarizer 20 before the display panels 10 and be attached to the 3D polarizing film (Patterned Retarder Film) 30 on the Polarizer, the polaroid glasses (Polarizer glass) 40 that the beholder wears.When showing the 2D viewed status, the beholder need not to wear polaroid glasses, and row's pixel of general display panels provides beholder's left eye to watch through 1/4 λ reflection wavelength, and row's pixel provides right eye to watch through 3/4 λ reflection wavelength; When showing the 3D viewed status, the beholder need wear polaroid glasses 40, one row's pixel of general display panels provides beholder's left eye to watch through 1/4 λ reflection wavelength, one row's pixel provides right eye to watch through 3/4 λ reflection wavelength, but when 3D polarizing film 30 attaches accuracy error or stravismus with display panels 10, seen or seen by left eye to the signal of right eye for the signal of beholder's left eye by right eye, formation (crosstalk) problem of crosstalking, human eye is not felt well, and the liquid crystal panel display quality is not good.
Fig. 2 is the existing synoptic diagram that improves (crosstalk) mode of crosstalking, 1/4 λ reflection wave strong point and the 3/4 λ reflection wave strong point improving (crosstalk) mode of crosstalking and be at 3D polarizing film 30 add black line (black) 50, although can reduce crosstalk (crosstalk), but black line 50 width must be larger, the transmitance when having a strong impact on the 2D demonstration.
So need a kind of new anti-crosstalk polarization type 3D liquid crystal display of design.
Summary of the invention
The present invention discloses a kind of transmitance and the polarization type 3D liquid crystal display of lifting 3D picture disply quality and method of anti-crosstalk thereof of not affecting.
The invention provides a kind of 3D liquid crystal display, comprise the first substrate and the second substrate that are oppositely arranged, and be folded in liquid crystal between first substrate and the second substrate, shown in first substrate comprise in length and breadth some sweep traces and the data line that intersects, the some public electrode wires parallel with corresponding sweep trace, and intersect the some pixel cells that limit by sweep trace and data line, each pixel cell comprises some sub-pixel unit, each sub-pixel unit is divided into general viewing area and black line viewing area, described general viewing area comprises the first pixel electrode and the first switch element, described black line viewing area comprises the second pixel electrode and second switch unit, and the first switch element comprises: the first grid that is connected with sweep trace, the first source electrode that is connected with data line, and the first drain electrode that is connected with the first pixel electrode; The second switch unit comprises: the second grid that is connected with public electrode wire, the second source electrode that is connected with the first drain electrode and the second drain electrode that is connected with the second pixel electrode.
The present invention provides again a kind of 3D liquid crystal display, comprise the first substrate and the second substrate that are oppositely arranged, and be folded in liquid crystal between first substrate and the second substrate, shown in first substrate comprise in length and breadth some sweep traces and the data line that intersects, the some public electrode wires parallel with corresponding sweep trace, and intersect the some pixel cells that limit by sweep trace and data line, each pixel cell comprises some sub-pixel unit, each sub-pixel unit is divided into general viewing area and black line viewing area, described general viewing area comprises the first pixel electrode and the first switch element, described black line viewing area comprises the second pixel electrode and second switch unit, also be provided with the some black line control signal wire with corresponding public electrode line parallel in the described first substrate, described the first switch element comprises: the first grid that is connected with sweep trace, the first source electrode that is connected with data line, and the first drain electrode that is connected with the first pixel electrode; The second switch unit comprises and deceives the second grid that the line control signal wire is connected, the second source electrode that is connected with the first drain electrode, second draining of being connected with the second pixel electrode.
The present invention provides again a kind of 3D liquid crystal display, comprise the first substrate and the second substrate that are oppositely arranged, and be folded in liquid crystal between first substrate and the second substrate, shown in first substrate comprise in length and breadth some sweep traces and the data line that intersects, the some public electrode wires parallel with corresponding sweep trace, and intersect the some pixel cells that limit by sweep trace and data line, each pixel cell comprises some sub-pixel unit, each sub-pixel unit is divided into general viewing area and black line viewing area, described general viewing area comprises the first pixel electrode and the first switch element, described black line viewing area comprises the second pixel electrode and second switch unit and the 3rd switch element, and the first switch element comprises: the first grid that is connected with sweep trace, the first source electrode that is connected with data line, and the first drain electrode that is connected with the first pixel electrode; Described second switch unit comprises: second grid, the second source electrode that is connected with data line, the second drain electrode that is connected with the second pixel electrode; Described the 3rd switch element comprises: the 3rd grid that sweep trace connects, the 3rd grid connects same sweep trace, the 3rd source electrode that is connected with the corresponding public electrode wire of black line viewing area and the 3rd drain electrode that is connected with second grid with corresponding first grid.
The present invention provides again a kind of method of anti-crosstalk of 3D liquid crystal display, when liquid crystal display during at the 2D picture disply, sweep trace is to high voltage, and the first switch element and the 3rd switch element are all opened, in general viewing area, the first switch element passes to the picture element signal of the first liquid crystal capacitance; In black line viewing area, when the 3rd switch element is opened, the public electrode wire signal is passed to the second grid of second switch unit by the 3rd drain electrode of the 3rd switch element, the second switch unit is opened, make data line transmit picture element signal to the second liquid crystal capacitance of black line viewing area, make black line viewing area when the 2D picture disply, can show the picture that 2D is required; When at the 3D picture disply, give black picture with all pixels, public electrode wire is set as the low-voltage that can't allow the second switch unit open,, signal can't be received in black line viewing area, so that black line viewing area keeps normal black state.
The invention solves existing polarization type 3D cross-interference issue, when liquid crystal display showed the 2D picture, pixel was kept normal demonstration, did not have black line district on the light polarizing film, so the transmitance of 2D picture disply can not affect transmitance because of the existence in black line district; Under the 3D display mode, form the black line district of slowing down the 3D problem in the pixel region and promote 3D picture disply quality.
Description of drawings
Fig. 1 is the synoptic diagram of existing polarization type 3D liquid crystal display;
Fig. 2 is the existing synoptic diagram that increases the polarization type 3D liquid crystal display of black line;
Fig. 3 is the structural representation of the first embodiment of the array base palte of liquid crystal display of the present invention;
Fig. 4 is circuit diagram shown in Figure 3;
Fig. 5 be shown in Figure 3 when the 2D picture disply pixel charging simulation drawing;
Fig. 6 be shown in Figure 3 when the 3D picture disply pixel charging simulation drawing;
Fig. 7 is the structural representation of the second embodiment of the array base palte of liquid crystal display of the present invention;
Fig. 8 is circuit diagram shown in Figure 7;
Fig. 9 is the sweep trace (G) of Fig. 7 and the circuit waveform synoptic diagram of black line control signal wire;
Figure 10 is the structural representation of the 3rd embodiment of the array base palte of liquid crystal display of the present invention;
Figure 11 is circuit diagram shown in Figure 10;
Figure 12 be shown in Figure 10 when the 2D picture disply pixel charging simulation drawing.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
Fig. 3 to Fig. 6 is the synoptic diagram of the first embodiment of liquid crystal display of the present invention, liquid crystal display of the present invention comprise first substrate and the second substrate that is oppositely arranged and be folded in first substrate and second substrate between liquid crystal, in the present embodiment, first substrate is array base palte, and second substrate is color membrane substrates.
Figure 3 shows that the structural representation of the array base palte of this liquid crystal display, described array base palte comprises crisscross some sweep traces (G) 1 and data line (S) 2 and intersects some pixel cells of limiting and the some public electrode wires (Cs) 3 parallel with corresponding sweep trace 1 by sweep trace 1 and data line 2, described each pixel cell comprises some sub-pixel unit, in the present embodiment, sub-pixel unit is three sub-pixel unit, is respectively R sub-pixel unit, G sub-pixel unit and B sub-pixel unit.
Array base-plate structure manufacturing sequence of the present invention is: the first light shield is: make grid layer, form sweep trace and the grid that is connected with sweep trace, form the gate insulating film of cover gate layer again; The second light shield is: form semiconductor layer; The 3rd road light shield is: form data line, source electrode, drain electrode; The 4th road light shield is: form contact hole layer; The 5th road light shield is: form pixel electrode ITO layer.
Wherein, each sub-pixel unit is divided into two viewing areas: general viewing area 10 and black line viewing area 20, each viewing area includes pixel electrode and switch element, general viewing area 10 comprises the first pixel electrode 11 and the first switch element 12, and black line viewing area 20 comprises the second pixel electrode 21 and second switch unit 22.Wherein, the first switch element 12 is a thin film transistor (TFT) (being called for short TFT1), and it comprises: the first grid 121 that is connected with sweep trace 1, the first source electrode 122 that is connected with data line 2 and the first drain electrode 123 that is connected with the first pixel electrode 11; Second switch unit 22 also is a thin film transistor (TFT) (being called for short TFT2), it comprises: the second grid 221 that is connected with public electrode wire 3, with the first drain electrode 123 the second source electrodes 222 that are connected and be connected with the second pixel electrode 21 second drain 223, the second grid 221 of directly or indirectly deceiving in the present invention, the second switch unit 22 of line viewing area 20 by public electrode wire 3 as driving.
Figure 4 shows that the circuit diagram of the array base palte of this liquid crystal display, in above-mentioned sub-pixel unit, public electrode wire 3 is by forming memory capacitance Cs between fixed voltage and the corresponding sub-pixel unit, and general public electrode wire 3 connects common electric voltage Vcom or ground connection or other fixed voltages; Liquid crystal is by forming liquid crystal capacitance C between fixed voltage and the corresponding sub-pixel unit
LC, general liquid crystal capacitance C
LCConnect common electric voltage Vcom or ground connection or other fixed voltages.In the present embodiment, public electrode wire 3 is connected and fixed voltage, because each sub-pixel unit of the present invention is divided into two viewing areas, so all be formed with memory capacitance Cs in each zone, the memory capacitance that is defined in the 10 interior formation of general viewing area is the first memory capacitance Cs1, be the second memory capacitance Cs2 in the memory capacitance of black line viewing area 20 interior formation; Equally, liquid crystal also is formed with liquid crystal capacitance C in each zone
LC, the liquid crystal capacitance that is defined in the 10 interior formation of general viewing area is the first liquid crystal capacitance C
LC1, the liquid crystal capacitance in black line viewing area 20 interior formation is the second liquid crystal capacitance C
LC2.
Fig. 4 has illustrated two sub-pixel unit, also namely: two two sub-pixel unit that sweep trace G1 G2, two data lines S1 S2 intersection limits, all be connected with in each sub-pixel unit with the parallel public electrode wire Cs1 of corresponding sweep trace Cs2, circuit connecting relation of the present invention is: the first drain electrode 123 that the first source electrode 122 that the first grid 121 of the first switch element (TFT1) 12 connects corresponding sweep trace G, the first switch element (TFT1) 12 connects corresponding data line S, the first switch element (TFT1) 12 connects the first corresponding liquid crystal capacitance C
LC1, the first liquid crystal capacitance C
LC1 connects common electric voltage Vcom; The end of node that the second source electrode 222 that the second grid 221 of second switch unit (TFT2) 22 connects corresponding public electrode wire Cs, second switch unit (TFT2) 22 connects the second drain electrode 223 of the first drain electrode 123, second switch unit (TFT2) 22 is connected to corresponding public electrode wire Cs by the second memory capacitance Cs2, and the other end of the node of this second drain electrode 223 is by the second liquid crystal capacitance C
LC2 are connected to common electric voltage Vcom; The node of the line between the first drain electrode 123 of the first switch element (TFT1) 12 and the second source electrode 222 of second switch unit (TFT2) 22 is connected to corresponding public electrode wire Cs by the first memory capacitance Cs1.
Figure 5 shows that the present invention's pixel charging simulation drawing when the 2D picture disply, when liquid crystal display during at the 2D picture disply, the method of the anti-crosstalk of 3D liquid crystal display of the present invention is: public electrode wire Cs preserves fixedly this high voltage of high voltage Vgh(Vgh size to guarantee black line viewing area full being as the criterion of charging, at this high voltage of Fig. 5 Vgh near 30V), the first drain electrode 123 by the first switch element (TFT1) 12 is communicated with the second source electrode 222 of second switch unit (TFT2) 22, thereby be second switch unit (TFT2) 22 chargings, and then allow black line viewing area show desired 2D picture signal, thereby the transmitance when the solution prior art has a strong impact on the 2D demonstration.
Figure 6 shows that the present invention's pixel charging simulation drawing when the 3D picture disply, when liquid crystal display when showing the 3D picture, the method of the anti-crosstalk of 3D liquid crystal display of the present invention is: first all pixels are given black picture, then public electrode wire Cs provides fixedly low-voltage (this low-voltage Vgl need guarantee that second switch unit (TFT2) 22 can keep the off state, or the voltage of low Ioff, in Fig. 6 this low-voltage Vgl approach-10V), be off-state between the first drain electrode 123 of the first switch element (TFT1) 12 and the second source electrode 222 of second switch unit (TFT2) 22, so can not be second switch unit (TFT2) 22 chargings, black line viewing area can't receive picture element signal, shows (also namely: often deceive state) thereby form black line.
Liquid crystal display of the present invention, when the black line district of 2D picture disply, the normal display frame of pixel energy does not reduce picture quality; When the 3D picture disply, black line viewing area can keep the voltage of black picture always, thereby shows black picture.
Although passing through second switch unit (TFT2), above-mentioned the first embodiment when general 2D picture disply, keeps charged state, but second switch unit (TFT2) may be deteriorated because of the DC stress that works long hours, so the present invention proposes the second embodiment, the black line viewing area 20 of the second embodiment is by another independent signal line traffic control.
Fig. 7 to Fig. 9 is the synoptic diagram of the second embodiment of liquid crystal display of the present invention, Fig. 7 is the structural representation of array base palte second embodiment of this liquid crystal display, Fig. 3 difference of Fig. 7 and above-mentioned the first embodiment is: increase a black line control signal wire 4 parallel with public electrode wire 3, deceive line control signal wire 4 and be positioned at black line viewing area 20, and black line control signal wire 4 is positioned at layer and simultaneously formation with public electrode wire 3; The second grid 221 of second switch unit (TFT2) 22 is connected with black line control signal wire 4, the second source electrode 222 of second switch unit (TFT2) 22 and the first drain electrode 123 is connected, second the draining and 223 be connected with the second pixel electrode 21 of second switch unit (TFT2) 22, in this second embodiment, by the second grid 221 of black line control signal wire 4 direct or indirect second switch unit 22 as driving black line viewing area 20.
Figure 8 shows that the circuit diagram of array base palte second embodiment of this liquid crystal display, Fig. 8 has also illustrated two sub-pixel unit, with the difference of the circuit diagram of above-mentioned the first embodiment be: the second grid 221 of second switch unit (TFT2) 22 connects corresponding black line control signal wire 4, the black line control signal wire 4 of all pixel cells links together, and all public electrode wires 3 also link together.
Fig. 9 is the circuit waveform synoptic diagram of sweep trace (G) and black line control signal wire 4, as shown in Figure 9, when the black line district of 2D picture disply, the method of the anti-crosstalk of 3D liquid crystal display of the present invention is: provide high voltage Vgh to drive second switch unit (TFT2), and when blanking time (blank time), second switch unit (TFT2) disconnects charging, thereby it is deteriorated to slow down second switch unit (TFT2); When the 3D picture disply, the method for the anti-crosstalk of 3D liquid crystal display of the present invention is identical with above-mentioned the first embodiment, and black line viewing area can keep the voltage of black picture always, thereby shows black picture.
Figure 10 to Figure 12 is the synoptic diagram of the 3rd embodiment of liquid crystal display of the present invention, Figure 10 is the structural representation of array base palte the 3rd embodiment of this liquid crystal display, Fig. 3 difference of Figure 10 and above-mentioned the first embodiment is: at black line viewing area 20 interior increase by the 3rd switch elements (TFT3) 23, also namely: have two switch elements (TFT): second switch unit (TFT2) 22 and the 3rd switch element (TFT3) 23 in each black line viewing area 20.
Described the 3rd switch element (TFT3) 23 and the first switch element (TFT1) 12 share same sweep trace 1, the 3rd grid 231 of the 3rd switch element (TFT3) 23 and the first grid 121 of the first switch element (TFT1) 12 all are connected on the same sweep trace 1, the 3rd source electrode 232 of the 3rd switch element (TFT3) 23 connects black line viewing area 20 interior corresponding public electrode wires 3, the 3rd drain electrode 233 of the 3rd switch element (TFT3) 23 connects the second grid 221 of second switch unit (TFT2) 22, and also namely: second switch unit (TFT2) 22 is by the 3rd switch element (TFT3) 23 independent controls.
The second grid 221 of described second switch unit (TFT2) 22 connects the 3rd drain electrode 233 of the 3rd switch element (TFT3) 23, the second source electrode 222 connection data lines 2 of second switch unit (TFT2) 22, the second drain electrode 223 of second switch unit (TFT2) 22 connects the second pixel electrode 21.
Figure 11 shows that the circuit diagram of array base palte the 3rd embodiment of this liquid crystal display, Fig. 8 has also illustrated two sub-pixel unit, the first switch element (TFT1) 12 circuit connecting modes are identical with Fig. 4 of above-mentioned the first embodiment, that is: the first grid 121 of the first switch element (TFT1) 12 connects the data line S of the first source electrode 122 connection correspondences of corresponding sweep trace G, the first switch element (TFT1) 12, the first drain electrode 123 of the first switch element (TFT1) 12 connects the first corresponding liquid crystal capacitance C
LC1, the first liquid crystal capacitance C
LC1 connects common electric voltage Vcom.
The 3rd drain electrode 233 of second grid 221 connection the 3rd switch elements (TFT3) 23 of second switch unit (TFT2) 22, the second source electrode 222 connection data lines (S) of second switch unit (TFT2) 22, the second drain electrode 223 of second switch unit (TFT2) 22 are connected to corresponding public electrode wire Cs by the second memory capacitance Cs2.
The 3rd drain electrode 233 that the 3rd source electrode 232 that the 3rd grid 231 of the 3rd switch element (TFT3) 23 and the first grid 121 of the first switch element (TFT1) 12 all are connected to same sweep trace G, the 3rd switch element (TFT3) 23 is connected to public electrode wire Cs, the 3rd switch element (TFT3) 23 is connected to the second grid 221 of second switch unit (TFT2) 22.
Connected mode by three switch elements, second switch unit (TFT2) 22 is only opened (to the Vgh signal) time and is just opened at the gate line of the first switch element (TFT1) 12, opening time shortens to the 1/gate line number of motion 2 approximately, and it is deteriorated greatly to have improved TFT.
Figure 12 shows that third embodiment of the invention pixel charging simulation drawing when the 2D picture disply, when sweep trace (G) is given high voltage Vgh, the method of the anti-crosstalk of 3D liquid crystal display of the present invention is: the first switch element (TFT1) 12 and the 3rd switch element (TFT3) 23 are all opened, in general viewing area 10, the first switch element (TFT1) 12 passes to the first liquid crystal capacitance C
LC1 picture element signal; In black line viewing area 20, when the 3rd switch element (TFT3) 23 is opened, public electrode wire Cs signal is passed to the second grid 221 of second switch unit (TFT2) 22 by the 3rd drain electrode 233 of the 3rd switch element (TFT3) 23, thereby second switch unit (TFT2) 22 opened, make data line (S) to the second liquid crystal capacitance C of black line viewing area 20
LC2 transmit picture element signal, make black line viewing area 20 can show the picture that 2D is required when the 2D picture disply.
In black line viewing area 20 when showing the 2D picture, public electrode wire Cs is high-tension AC when opening for the high voltage Vgh that can drive second switch unit (TFT2) 22 can be high-tension power supply DC or sweep trace, is the high voltage AC of sweep trace when opening at the high voltage of this 3rd embodiment.
(not shown) when 3D shows, the method of the anti-crosstalk of 3D liquid crystal display of the present invention is: give black picture with all pixels, public electrode wire Cs is set as the low-voltage Vgl that can't allow second switch unit (TFT2) 22 open, even and sweep trace (G) is when giving high voltage Vgh, second switch unit (TFT2) 22 also can't be opened, and signal can't be received in black line viewing area 20, thereby black line viewing area 20 keeps normal black state, form the required black line of polarisation, reduce cross-interference issue and occur.
Description by above-mentioned three embodiment, solved existing polarization type 3D cross-interference issue, when liquid crystal display showed the 2D picture, pixel was kept normal demonstration, the transmitance of 2D picture disply do not have black line district on the light polarizing film, so can not affect transmitance because of the existence in black line district; Under the 3D display mode, form the black line district of slowing down the 3D problem in the pixel region and promote 3D picture disply quality.
Claims (8)
1. 3D liquid crystal display, comprise the first substrate and the second substrate that are oppositely arranged, and be folded in liquid crystal between first substrate and the second substrate, shown in first substrate comprise in length and breadth some sweep traces and the data line that intersects, the some public electrode wires parallel with corresponding sweep trace, and intersect the some pixel cells that limit by sweep trace and data line, each pixel cell comprises some sub-pixel unit, each sub-pixel unit is divided into general viewing area and black line viewing area, it is characterized in that: described general viewing area comprises the first pixel electrode and the first switch element, described black line viewing area comprises the second pixel electrode and second switch unit, and the first switch element comprises: the first grid that is connected with sweep trace, the first source electrode that is connected with data line, and the first drain electrode that is connected with the first pixel electrode; The second switch unit comprises: the second grid that is connected with public electrode wire, the second source electrode that is connected with the first drain electrode and the second drain electrode that is connected with the second pixel electrode.
2. 3D liquid crystal display according to claim 1, it is characterized in that: form the first memory capacitance in public electrode wire and the general viewing area, form the second memory capacitance in public electrode wire and the black line viewing area, liquid crystal forms the first liquid crystal capacitance in general viewing area, liquid crystal forms the second liquid crystal capacitance in black line viewing area, the circuit connecting relation of this 3D liquid crystal display is: the first grid of the first switch element connects corresponding sweep trace, the first source electrode of the first switch element connects corresponding data line, the first drain electrode one end of the first switch element connects the first corresponding liquid crystal capacitance, and the first liquid crystal capacitance connects common electric voltage; The second source electrode connection first that the second grid of second switch unit connects corresponding public electrode wire, second switch unit drains, an end of the node of the second drain electrode of second switch unit is connected to corresponding public electrode wire by the second memory capacitance, and the other end of the node of this second drain electrode is connected to common electric voltage by the second liquid crystal capacitance; The node of the line between the second source electrode of first the drain electrode other end and second switch unit of the first switch element is connected to corresponding public electrode wire by the first memory capacitance.
3. 3D liquid crystal display, comprise the first substrate and the second substrate that are oppositely arranged, and be folded in liquid crystal between first substrate and the second substrate, shown in first substrate comprise in length and breadth some sweep traces and the data line that intersects, the some public electrode wires parallel with corresponding sweep trace, and intersect the some pixel cells that limit by sweep trace and data line, each pixel cell comprises some sub-pixel unit, each sub-pixel unit is divided into general viewing area and black line viewing area, it is characterized in that: described general viewing area comprises the first pixel electrode and the first switch element, described black line viewing area comprises the second pixel electrode and second switch unit, also be provided with the some black line control signal wire with corresponding public electrode line parallel in the described first substrate, described the first switch element comprises: the first grid that is connected with sweep trace, the first source electrode that is connected with data line, and the first drain electrode that is connected with the first pixel electrode; The second switch unit comprises and deceives the second grid that the line control signal wire is connected, the second source electrode that is connected with the first drain electrode, second draining of being connected with the second pixel electrode.
4. 3D liquid crystal display according to claim 3, it is characterized in that: form the first memory capacitance in public electrode wire and the general viewing area, form the second memory capacitance in public electrode wire and the black line viewing area, liquid crystal forms the first liquid crystal capacitance in general viewing area, liquid crystal forms the second liquid crystal capacitance in black line viewing area, the circuit connecting relation of this 3D liquid crystal display is: the first grid of the first switch element connects corresponding sweep trace, the first source electrode of the first switch element connects corresponding data line, the first drain electrode one end of the first switch element connects the first corresponding liquid crystal capacitance, and the first liquid crystal capacitance connects common electric voltage; The second source electrode connection first that the second grid of second switch unit connects corresponding black line control signal wire, second switch unit drains, an end of the node of the second drain electrode of second switch unit is connected to corresponding public electrode wire by the second memory capacitance, and the other end of the node of this second drain electrode is connected to common electric voltage by the second liquid crystal capacitance; The node of the line between the second source electrode of first the drain electrode other end and second switch unit of the first switch element is connected to corresponding public electrode wire by the first memory capacitance; And the black line control signal wire of all pixel cells links together, and all public electrode wires also link together.
5. want the method for the anti-crosstalk of 1 to 4 described 3D liquid crystal display according to right, it is characterized in that: when liquid crystal display during at the 2D picture disply, public electrode wire is preserved fixedly high voltage, the first drain electrode of the first switch element is communicated with the second source electrode of second switch unit, the charging of second switch unit, black line viewing area shows desired 2D picture signal; When liquid crystal display during at the 3D picture disply, first all pixels are given black picture, then public electrode wire provides fixedly low-voltage, be off-state between the first drain electrode of the first switch element and the second source electrode of second switch unit, the second switch unit disconnects, black line viewing area can't receive picture element signal, forms black line and shows.
6. 3D liquid crystal display, comprise the first substrate and the second substrate that are oppositely arranged, and be folded in liquid crystal between first substrate and the second substrate, shown in first substrate comprise in length and breadth some sweep traces and the data line that intersects, the some public electrode wires parallel with corresponding sweep trace, and intersect the some pixel cells that limit by sweep trace and data line, each pixel cell comprises some sub-pixel unit, each sub-pixel unit is divided into general viewing area and black line viewing area, it is characterized in that: described general viewing area comprises the first pixel electrode and the first switch element, described black line viewing area comprises the second pixel electrode and second switch unit and the 3rd switch element, and the first switch element comprises: the first grid that is connected with sweep trace, the first source electrode that is connected with data line, and the first drain electrode that is connected with the first pixel electrode; Described second switch unit comprises: second grid, the second source electrode that is connected with data line, the second drain electrode that is connected with the second pixel electrode; Described the 3rd switch element comprises: the 3rd grid that sweep trace connects, the 3rd grid connects same sweep trace, the 3rd source electrode that is connected with the corresponding public electrode wire of black line viewing area and the 3rd drain electrode that is connected with second grid with corresponding first grid.
7. 3D liquid crystal display according to claim 6, it is characterized in that: form the first memory capacitance in public electrode wire and the general viewing area, form the second memory capacitance in public electrode wire and the black line viewing area, liquid crystal forms the first liquid crystal capacitance in general viewing area, liquid crystal forms the second liquid crystal capacitance in black line viewing area, the circuit connecting relation of this 3D liquid crystal display is: the first grid of the first switch element connects corresponding sweep trace, the first source electrode of the first switch element connects corresponding data line, the first drain electrode of the first switch element connects the first corresponding liquid crystal capacitance, and the first liquid crystal capacitance connects common electric voltage; The second drain electrode of the second source electrode connection data line, second switch unit that the second grid of second switch unit connects the 3rd drain electrode, the second switch unit of the 3rd switch element is connected to corresponding public electrode wire by the second memory capacitance; The 3rd drain electrode that the 3rd source electrode that the 3rd grid of the 3rd switch element and the first grid of the first switch element all are connected to same sweep trace, the 3rd switch element is connected to public electrode wire, the 3rd switch element is connected to the second grid of second switch unit.
8. want the method for the anti-crosstalk of 6 or 7 described 3D liquid crystal display according to right, it is characterized in that: when liquid crystal display during at the 2D picture disply, sweep trace is to high voltage, the first switch element and the 3rd switch element are all opened, in general viewing area, the first switch element passes to the picture element signal of the first liquid crystal capacitance; In black line viewing area, when the 3rd switch element is opened, the public electrode wire signal is passed to the second grid of second switch unit by the 3rd drain electrode of the 3rd switch element, the second switch unit is opened, make data line transmit picture element signal to the second liquid crystal capacitance of black line viewing area, make black line viewing area when the 2D picture disply, can show the picture that 2D is required; When at the 3D picture disply, first all pixels are given black picture, then public electrode wire is set as the low-voltage that can't allow the second switch unit open,, signal can't be received in black line viewing area, so that black line viewing area keeps normal black state.
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