CN103366703B - 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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- CN103366703B CN103366703B CN201310263043.4A CN201310263043A CN103366703B CN 103366703 B CN103366703 B CN 103366703B CN 201310263043 A CN201310263043 A CN 201310263043A CN 103366703 B CN103366703 B CN 103366703B
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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 a kind of method 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 schematic diagram of existing polarization type 3D liquid crystal display, polarization type 3D liquid crystal indicator comprise display panels 10, be positioned at display panels 10 before Polarizer 20 and be attached to 3D polarizing film (Patterned Retarder Film) 30 on Polarizer, polaroid glasses (Polarizer glass) 40 that beholder wears.When showing 2D viewed status, beholder is without the need to wearing polaroid glasses, and row's pixel of general display panels provides the left eye viewing of beholder through 1/4 λ reflection wavelength, and row's pixel provides right eye to watch through 3/4 λ reflection wavelength; When showing 3D viewed status, beholder need wear polaroid glasses 40, one row's pixel of general display panels provides the left eye viewing of beholder 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 and display panels 10 attach accuracy error or look side ways, seen by right eye to the signal of beholder's left eye or seen by left eye to the signal of right eye, form crosstalk (crosstalk) problem, human eye is not felt well, and liquid crystal panel display quality is not good.
Fig. 2 is the existing schematic diagram improving crosstalk (crosstalk) mode, improving crosstalk (crosstalk) mode is add black line (black) 50 in 1/4 λ reflection wave strong point of 3D polarizing film 30 and 3/4 λ reflection wave strong point, although crosstalk (crosstalk) can be reduced, but black line 50 width must be comparatively large, has a strong impact on transmitance during 2D display.
Therefore need to design a kind of new anti-crosstalk polarization type 3D liquid crystal display.
Summary of the invention
The present invention discloses and does not a kind ofly affect transmitance and promote the polarization type 3D liquid crystal display of 3D picture display quality and the method for anti-crosstalk thereof.
The invention provides a kind of 3D liquid crystal display, comprise the first substrate and second substrate that are oppositely arranged, and the liquid crystal be folded between first substrate and second substrate, shown first substrate comprises the some sweep traces and data line that intersect in length and breadth, the some public electrode wires parallel with corresponding sweep trace, and intersect by sweep trace and data line the some pixel cells limited, 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, first switch element comprises: the first grid be connected with sweep trace, the first source electrode be connected with data line, and to be connected with the first pixel electrode first drains, second switch unit comprises: the second grid be connected with public electrode wire, the second source electrode be connected and be connected with the second pixel electrode second that to drain with first drain.
The present invention provides again a kind of 3D liquid crystal display, comprise the first substrate and second substrate that are oppositely arranged, and the liquid crystal be folded between first substrate and second substrate, shown first substrate comprises the some sweep traces and data line that intersect in length and breadth, the some public electrode wires parallel with corresponding sweep trace, and intersect by sweep trace and data line the some pixel cells limited, 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, the some black line control signal wire with corresponding public electrode line parallel is also provided with in described first substrate, described first switch element comprises: the first grid be connected with sweep trace, the first source electrode be connected with data line, and to be connected with the first pixel electrode first drains, second switch unit comprise be connected with black line control signal wire second grid, drain with first the second source electrode be connected, 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 second substrate that are oppositely arranged, and the liquid crystal be folded between first substrate and second substrate, shown first substrate comprises the some sweep traces and data line that intersect in length and breadth, the some public electrode wires parallel with corresponding sweep trace, and intersect by sweep trace and data line the some pixel cells limited, 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, first switch element comprises: the first grid be connected with sweep trace, the first source electrode be connected with data line, and to be connected with the first pixel electrode first drains, described second switch unit comprises: second grid, the second source electrode be connected with data line, second draining of being connected with the second pixel electrode, described 3rd switch element comprises: the 3rd grid that sweep trace connects, and the 3rd grid and corresponding first grid connect same scan line, the 3rd source electrode be connected with the corresponding public electrode wire of black line viewing area and the 3rd drain electrode be connected with second grid.
The present invention provides again a kind of method of anti-crosstalk of 3D liquid crystal display, when liquid crystal display shows at 2D picture, 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 3rd switch element is opened, drained public electrode wire signal transmission to the second grid of second switch unit by the 3rd of the 3rd switch element, 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 can show picture needed for 2D when 2D picture shows; When showing at 3D picture, give black picture by all pixels, public electrode wire is set as the low-voltage that second switch unit cannot be allowed to open, black line viewing area cannot receive signal, makes black line viewing area keep normal black state.
The invention solves existing polarization type 3D cross-interference issue, when liquid crystal display display 2D picture, pixel maintains normal display, and light polarizing film does not exist Hei Wen district, thus the transmitance of 2D picture display can not Yin Hei line district existence and affect transmitance; Under 3D display mode, in pixel region, formation slows down the Hei Wen district of 3D problem to promote 3D picture display quality.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing polarization type 3D liquid crystal display;
Fig. 2 is the schematic diagram of the polarization type 3D liquid crystal display of the black line of existing increase;
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 the circuit diagram shown in Fig. 3;
Fig. 5 by Fig. 3 be shown in 2D picture display time pixel charging simulation drawing;
Fig. 6 by Fig. 3 be shown in 3D picture display time 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 the circuit diagram shown in Fig. 7;
Fig. 9 is the sweep trace (G) of Fig. 7 and the circuit waveform schematic 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 the circuit diagram shown in Figure 10;
Figure 12 by Figure 10 be shown in 2D picture display time pixel charging simulation drawing.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Fig. 3 to Fig. 6 is the schematic diagram of the first embodiment of liquid crystal display of the present invention, liquid crystal display of the present invention comprises the first substrate and second substrate that are oppositely arranged and the liquid crystal be folded between first substrate and second substrate, 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 by sweep trace 1 and data line 2 the some pixel cells and the some public electrode wires (Cs) 3 parallel with corresponding sweep trace 1 that limit, 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: first light shield is: make grid layer, the grid forming sweep trace and be connected with sweep trace, then forms the gate insulating film of cover gate layer; Second light shield is: form semiconductor layer; 3rd road light shield is: form data line, source electrode, drain electrode; 4th road light shield is: form contact hole layer; 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) (is called for short TFT1), and it comprises: the first grid 121 be connected with sweep trace 1, the first source electrode 122 be connected with data line 2 and be connected with the first pixel electrode 11 first drain 123; Second switch unit 22 is also a thin film transistor (TFT) (being called for short TFT2), it comprises: the second grid 221 be connected with public electrode wire 3, to drain with first 123 the second source electrodes 222 be connected and be connected with the second pixel electrode 21 second drain 223, in the present invention, by the second grid 221 of the direct or indirect second switch unit 22 as the black line viewing area 20 of driving of public electrode wire 3.
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 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 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, therefore being all formed with memory capacitance Cs in each region, the memory capacitance being defined in formation in general viewing area 10 is the first memory capacitance Cs1, the memory capacitance of formation in black line viewing area 20 is the second memory capacitance Cs2; Equally, liquid crystal is also formed with liquid crystal capacitance C in each region
lC, being defined in the liquid crystal capacitance formed in general viewing area 10 is the first liquid crystal capacitance C
lC1, the liquid crystal capacitance formed in black line viewing area 20 is the second liquid crystal capacitance C
lC2.
Fig. 4 illustrates two sub-pixel unit, also namely: two sub-pixel unit that two sweep trace G1 G2, two data lines S1 S2 intersections limit, all be connected with in each sub-pixel unit the public electrode wire Cs1 parallel with corresponding sweep trace Cs2, circuit connecting relation of the present invention is: the first grid 121 of the first switch element (TFT1) 12 connects corresponding sweep trace G, the first source electrode 122 of the first switch element (TFT1) 12 connects corresponding data line S, the first drain electrode 123 of the first switch element (TFT1) 12 connects the first corresponding liquid crystal capacitance C
lC1, first liquid crystal capacitance C
lC1 connects common electric voltage Vcom; The second grid 221 of second switch unit (TFT2) 22 connects corresponding public electrode wire Cs, the second source electrode 222 of second switch unit (TFT2) 22 connects the first drain electrode 123, one end of the node of the second drain electrode 223 of 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 2D picture shows, when liquid crystal display shows at 2D picture, the method of the anti-crosstalk of 3D liquid crystal display of the present invention is: public electrode wire Cs preserves fixing this high voltage of high voltage Vgh(Vgh size and is as the criterion to guarantee that the charging of black line viewing area is full, at this high voltage of Fig. 5 Vgh close to 30V), be communicated with the second source electrode 222 of second switch unit (TFT2) 22 by the first drain electrode 123 of the first switch element (TFT1) 12, thus be that second switch unit (TFT2) 22 charges, and then allow black line viewing area show desired 2D picture signal, thus solution prior art has a strong impact on transmitance when 2D shows.
Figure 6 shows that the present invention's pixel charging simulation drawing when 3D picture shows, when liquid crystal display is when showing 3D picture, the method of the anti-crosstalk of 3D liquid crystal display of the present invention is: first give black picture by all pixels, then public electrode wire Cs provides fixing low-voltage (this low-voltage Vgl need guarantee that second switch unit (TFT2) 22 can maintain off state, or the voltage of low Ioff, close-the 10V of this low-voltage Vgl in figure 6), in off-state between first drain electrode 123 of the first switch element (TFT1) 12 and the second source electrode 222 of second switch unit (TFT2) 22, therefore can not be that second switch unit (TFT2) 22 charges, black line viewing area cannot receive picture element signal, thus form black line display (also namely: normal black state).
Liquid crystal display of the present invention, when 2D picture display Hei Wen district, the normal display frame of pixel energy, does not reduce picture quality; When 3D picture shows, black line viewing area can keep the voltage of black picture always, thus shows black picture.
Although above-mentioned first embodiment keeps charged state by second switch unit (TFT2) when general 2D picture shows, but second switch unit (TFT2) may be deteriorated because working long hours DC stress, therefore 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 schematic 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. 7 distinguishes with Fig. 3 of above-mentioned first embodiment: increase a black line control signal wire 4 parallel with public electrode wire 3, black line control signal wire 4 is positioned at black line viewing area 20, and black line control signal wire 4 and public electrode wire 3 are positioned at same layer and are formed simultaneously; The second grid 221 of second switch unit (TFT2) 22 is connected with black line control signal wire 4, second source electrode 222 and first of second switch unit (TFT2) 22 drains 123 is connected, second the draining and 223 to be connected with the second pixel electrode 21 of second switch unit (TFT2) 22, in this second embodiment, by black line control signal wire 4 directly or indirectly as the second grid 221 of the second switch unit 22 of the black line viewing area 20 of driving.
Figure 8 shows that the circuit diagram of array base palte second embodiment of this liquid crystal display, Fig. 8 also illustrates two sub-pixel unit, distinguish with the circuit diagram of above-mentioned first embodiment: 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 schematic diagram of sweep trace (G) and black line control signal wire 4, as shown in Figure 9, when 2D picture display Hei Wen district, 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, thus can slow down second switch unit (TFT2) deterioration; When 3D picture shows, the method for the anti-crosstalk of 3D liquid crystal display of the present invention is identical with above-mentioned first embodiment, and black line viewing area can keep the voltage of black picture always, thus shows black picture.
Figure 10 to Figure 12 is the schematic 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 of Figure 10 and above-mentioned first embodiment distinguishes and is: in black line viewing area 20, increase by one the 3rd switch element (TFT3) 23, also namely: have two switch elements (TFT) in each black line viewing area 20: second switch unit (TFT2) 22 and the 3rd switch element (TFT3) 23.
Described 3rd switch element (TFT3) 23 and the first switch element (TFT1) 12 share with scan line 1, 3rd grid 231 of the 3rd switch element (TFT3) 23 and the first grid 121 of the first switch element (TFT1) 12 are all connected in same scan line 1, 3rd source electrode 232 of the 3rd switch element (TFT3) 23 connects corresponding public electrode wire 3 in black line viewing area 20, 3rd drain electrode 233 of the 3rd switch element (TFT3) 23 connects the second grid 221 of second switch unit (TFT2) 22, also namely: second switch unit (TFT2) 22 controls by the 3rd switch element (TFT3) 23 is independent.
The second grid 221 of described second switch unit (TFT2) 22 connects the 3rd drain electrode 233 of the 3rd switch element (TFT3) 23, second source electrode 222 connection data line 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 also illustrates two sub-pixel unit, first switch element (TFT1) 12 circuit connecting mode is identical with Fig. 4 of above-mentioned first embodiment, that is: the first grid 121 of the first switch element (TFT1) 12 connects corresponding sweep trace G, the first source electrode 122 of the first switch element (TFT1) 12 connects corresponding data line S, the first drain electrode 123 of the first switch element (TFT1) 12 connects the first corresponding liquid crystal capacitance C
lC1, first liquid crystal capacitance C
lC1 connects common electric voltage Vcom.
The second grid 221 of 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 line (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.
3rd grid 231 of the 3rd switch element (TFT3) 23 and the first grid 121 of the first switch element (TFT1) 12 are all connected to same scan line G, the 3rd source electrode 232 of the 3rd switch element (TFT3) 23 is connected to public electrode wire Cs, the 3rd the draining 233 second grids 221 being connected to second switch unit (TFT2) 22 of the 3rd switch element (TFT3) 23.
By the connected mode of three switch elements, second switch unit (TFT2) 22 is only opened (to Vgh signal) time at the gate line of the first switch element (TFT1) 12 and is just opened, opening time about shortens to the 1/gate line number of motion 2, substantially improves TFT deterioration.
Figure 12 shows that third embodiment of the invention pixel charging simulation drawing when 2D picture shows, when sweep trace (G) is to 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
lCthe picture element signal of 1; In black line viewing area 20, when 3rd switch element (TFT3) 23 is opened, 233 are drained by public electrode wire Cs signal transmission to the second grid 221 of second switch unit (TFT2) 22 by the 3rd of the 3rd switch element (TFT3) 23, thus second switch unit (TFT2) 22 is opened, make data line (S) to the second liquid crystal capacitance C of black line viewing area 20
lC2 transmit picture element signals, make black line viewing area 20 can show picture needed for 2D when 2D picture shows.
In black line viewing area 20 when showing 2D picture, public electrode wire Cs is that the high voltage Vgh of second switch unit (TFT2) 22 can be driven to can be when high-tension power supply DC or sweep trace are opened is high-tension AC, the high voltage of this 3rd embodiment be sweep trace open time high voltage AC.
The (not shown) when 3D shows, the method of the anti-crosstalk of 3D liquid crystal display of the present invention is: give black picture by all pixels, public electrode wire Cs is set as the low-voltage Vgl that second switch unit (TFT2) 22 cannot be allowed to open, even and if sweep trace (G) to high voltage Vgh time, second switch unit (TFT2) 22 also cannot be opened, and black line viewing area 20 cannot receive signal, thus black line viewing area 20 keeps normal black state, form the black line needed for polarisation, reduce cross-interference issue and occur.
By the description of above-mentioned three embodiments, solve existing polarization type 3D cross-interference issue, when liquid crystal display display 2D picture, pixel maintains normal display, there is not Hei Wen district in light polarizing film, thus 2D picture display transmitance can not Yin Hei line district existence and affect transmitance; Under 3D display mode, in pixel region, formation slows down the Hei Wen district of 3D problem to promote 3D picture display quality.
Claims (7)
1. a 3D liquid crystal display, comprise the first substrate and second substrate that are oppositely arranged, and the liquid crystal be folded between first substrate and second substrate, shown first substrate comprises the some sweep traces and data line that intersect in length and breadth, the some public electrode wires parallel with corresponding sweep trace, and intersect by sweep trace and data line the some pixel cells limited, 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, first switch element comprises: the first grid be connected with sweep trace, the first source electrode be connected with data line, and to be connected with the first pixel electrode first drains, second switch unit comprises: the second grid be connected with public electrode wire, to drain the second source electrode be connected with first, and to be connected with the second pixel electrode second drains, the first memory capacitance is formed in public electrode wire and general viewing area, the second memory capacitance is formed in public electrode wire and 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, first source electrode of the first switch element connects corresponding data line, first drain electrode one end of first switch element connects the first corresponding liquid crystal capacitance, first liquid crystal capacitance connects common electric voltage, the second grid of second switch unit connects corresponding public electrode wire, the second source electrode of second switch unit connects the first drain electrode, one 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 first drain electrode other end of the first switch element and the second source electrode of second switch unit is connected to corresponding public electrode wire by the first memory capacitance.
2. a 3D liquid crystal display, comprise the first substrate and second substrate that are oppositely arranged, and the liquid crystal be folded between first substrate and second substrate, shown first substrate comprises the some sweep traces and data line that intersect in length and breadth, the some public electrode wires parallel with corresponding sweep trace, and intersect by sweep trace and data line the some pixel cells limited, 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, the some black line control signal wire with corresponding public electrode line parallel is also provided with in described first substrate, described first switch element comprises: the first grid be connected with sweep trace, the first source electrode be connected with data line, and to be connected with the first pixel electrode first drains, second switch unit comprise be connected with black line control signal wire second grid, drain with first the second source electrode be connected, second draining of being connected with the second pixel electrode.
3. 3D liquid crystal display according to claim 2, it is characterized in that: in public electrode wire and general viewing area, form the first memory capacitance, the second memory capacitance is formed in public electrode wire and 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, first source electrode of the first switch element connects corresponding data line, first drain electrode one end of first switch element connects the first corresponding liquid crystal capacitance, first liquid crystal capacitance connects common electric voltage, the second grid of second switch unit connects corresponding black line control signal wire, the second source electrode of second switch unit connects the first drain electrode, one 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 first drain electrode other end of the first switch element and the second source electrode of second switch unit 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, all public electrode wires also link together.
4. the method for the anti-crosstalk of the 3D liquid crystal display according to claims 1 to 3, it is characterized in that: when liquid crystal display shows at 2D picture, public electrode wire preserves fixing high voltage, first drain electrode of the first switch element is communicated with the second source electrode of second switch unit, second switch unit charges, and black line viewing area shows desired 2D picture signal; When liquid crystal display shows at 3D picture, first give black picture by all pixels, then public electrode wire provides fixing low-voltage, in off-state between first drain electrode of the first switch element and the second source electrode of second switch unit, second switch unit disconnects, black line viewing area cannot receive picture element signal, forms the display of black line.
5. a 3D liquid crystal display, comprise the first substrate and second substrate that are oppositely arranged, and the liquid crystal be folded between first substrate and second substrate, shown first substrate comprises the some sweep traces and data line that intersect in length and breadth, the some public electrode wires parallel with corresponding sweep trace, and intersect by sweep trace and data line the some pixel cells limited, 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, first switch element comprises: the first grid be connected with sweep trace, the first source electrode be connected with data line, and to be connected with the first pixel electrode first drains, described second switch unit comprises: second grid, the second source electrode be connected with data line, second draining of being connected with the second pixel electrode, described 3rd switch element comprises: the 3rd grid that sweep trace connects, and the 3rd grid and corresponding first grid connect same scan line, the 3rd source electrode be connected with the corresponding public electrode wire of black line viewing area and the 3rd drain electrode be connected with second grid.
6. 3D liquid crystal display according to claim 5, it is characterized in that: in public electrode wire and general viewing area, form the first memory capacitance, the second memory capacitance is formed in public electrode wire and 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, first source electrode of the first switch element connects corresponding data line, first drain electrode of the first switch element connects the first corresponding liquid crystal capacitance, first liquid crystal capacitance connects common electric voltage, 3rd drain electrode of second grid connection the 3rd switch element of second switch unit, the second source electrode connection data line of second switch unit, the second drain electrode of second switch unit are connected to corresponding public electrode wire by the second memory capacitance, the second grid that 3rd grid of the 3rd switch element and the first grid of the first switch element are all connected to same scan line, the 3rd source electrode of the 3rd switch element is connected to public electrode wire, the 3rd drain electrode of the 3rd switch element is connected to second switch unit.
7. the method for the anti-crosstalk of the 3D liquid crystal display according to claim 5 or 6, it is characterized in that: when liquid crystal display shows at 2D picture, sweep trace is to high voltage, 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 3rd switch element is opened, drained public electrode wire signal transmission to the second grid of second switch unit by the 3rd of the 3rd switch element, 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 can show picture needed for 2D when 2D picture shows; When showing at 3D picture, first give black picture by all pixels, then public electrode wire is set as the low-voltage that second switch unit cannot be allowed to open, and black line viewing area cannot receive signal, makes the normal black state of black line viewing area maintenance.
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| WO2019222910A1 (en) * | 2018-05-22 | 2019-11-28 | Boe Technology Group Co., Ltd. | Array substrate, display apparatus, pixel driving circuit, method for driving image display in display apparatus, and method of fabricating array substrate |
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| CN102253526A (en) * | 2011-07-08 | 2011-11-23 | 深圳市华星光电技术有限公司 | Liquid crystal display |
| CN102760418A (en) * | 2011-04-28 | 2012-10-31 | 乐金显示有限公司 | Stereoscopic image display device and method for driving the same |
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| CN102402026B (en) * | 2011-08-31 | 2014-07-16 | 深圳市华星光电技术有限公司 | Liquid crystal display |
| US20130050195A1 (en) * | 2011-08-31 | 2013-02-28 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display device |
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| CN102760418A (en) * | 2011-04-28 | 2012-10-31 | 乐金显示有限公司 | Stereoscopic image display device and method for driving the same |
| CN102253526A (en) * | 2011-07-08 | 2011-11-23 | 深圳市华星光电技术有限公司 | Liquid crystal display |
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