CN102073175B - Liquid crystal display panel and liquid crystal display device - Google Patents
Liquid crystal display panel and liquid crystal display device Download PDFInfo
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- CN102073175B CN102073175B CN200910199650.2A CN200910199650A CN102073175B CN 102073175 B CN102073175 B CN 102073175B CN 200910199650 A CN200910199650 A CN 200910199650A CN 102073175 B CN102073175 B CN 102073175B
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- 239000000758 substrate Substances 0.000 claims abstract description 121
- 239000010409 thin film Substances 0.000 claims description 21
- 239000011159 matrix material Substances 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 239000003990 capacitor Substances 0.000 abstract 1
- 230000005684 electric field Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
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- 230000000007 visual effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 210000002445 nipple Anatomy 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000001259 photo etching Methods 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
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- HUTDUHSNJYTCAR-UHFFFAOYSA-N ancymidol Chemical compound C1=CC(OC)=CC=C1C(O)(C=1C=NC=NC=1)C1CC1 HUTDUHSNJYTCAR-UHFFFAOYSA-N 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
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Abstract
The invention provides a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel includes: a first substrate and a second substrate disposed opposite to the first substrate, liquid crystal molecules being sandwiched between the first substrate and the second substrate; a transparent electrode layer is arranged on one side, close to the liquid crystal molecules, of the first substrate; a plurality of sub-pixel electrodes are arranged on one side of the second substrate close to the liquid crystal molecules, each sub-pixel electrode comprises a polygonal display area, at least two sides between the display areas of the adjacent sub-pixel electrodes are adjacent, each sub-pixel electrode and the transparent electrode layer form a liquid crystal capacitor, and the voltage polarity of each sub-pixel electrode relative to the transparent electrode layer of the first substrate is opposite to the voltage polarity of the adjacent sub-pixel electrode relative to the transparent electrode layer of the first substrate. Compared with the prior art, the manufacturing process of the embodiment of the invention reduces the manufacturing process steps, obtains higher product yield and reduces the manufacturing cost.
Description
Technical field
The present invention relates to technical field of liquid crystal display, relate in particular to a kind of display panels and liquid crystal indicator.
Background technology
The advantages such as liquid crystal display (Liquid Crystal Display, LCD) is present very general display, and it has, and volume is little, lightweight, power saving, radiation are low, be easy to carry about with one.In the various display modes of liquid crystal display, the liquid crystal display of homeotropic alignment (Vertical Alignment, VA) display mode is due to advantages such as its contrast are high, visual angle is wide, and is extensively subject to the welcome in market.
In the LCD of VA display mode, homeotropic alignment (VA) liquid crystal molecule relies on the effect surely of surperficial riveting of orientation rete to be vertically arranged in liquid crystal layer in liquid crystal cell, on the ito substrate in its both sides, apply after electric field, liquid crystal molecule in different pixels unit under powering state to direction deflection separately, form a plurality of liquid crystal farmland district, compensate thus the visual angle of all angles, and then realize the even demonstration of each view directions.At present, in the LCD board manufacturing process of various VA display modes, conventionally first make liquid crystal molecule there is certain tilt angle, tilt angle is the initial angle forming between upper and lower substrate and liquid crystal molecule, by being set, can realize tilt angle the object of the directed fast steering of liquid crystal molecule while powering up, thus the multidomain of realization.
In prior art, conventionally adopt following VA pattern to realize the pre-dumping of liquid crystal molecule: prior art one is on ITO surface, to make the projection (Rib) of definite shape or inclined-plane (Inclined surface/Bevel) so that liquid crystal molecule obtains inclination riveting determines, in the situation that having had pre-dumping, the yawing moment of liquid crystal molecule is just under control, thereby form multidomain (Multi-domain Vertical Alignment, MVA), as shown in Figure 1, on upper ito substrate 11 and lower ito substrate 12, form respectively projection (rib) 13, 14, described protruding 13, 14 make, near the liquid crystal molecule 15 of convex surfaces, pre-dumping occurs when not applying voltage.When applying voltage between upper and lower ito substrate, the liquid crystal molecule between two substrates deflects under the effect of external voltage, and forms multidomain, thereby realize wide viewing angle, shows.Prior art two is on ito substrate, to carve seam to form tilting electric field and ito substrate edge lateral electric fields, utilize the electric field of regular vergence direction to make liquid crystal deflecting element, form multidomain (Patterned Vertical Alignment, PVA), as shown in Figure 2, on lower ito substrate 21, by photoetching process, on pixel electrode 22, form crack 23, when upper ito substrate 24, while applying voltage between lower ito substrate 21, 23 EG places, edge, crack at pixel electrode can form lateral electric fields EQ, thereby liquid crystal molecule 25 is deflected, form multidomain and realize wide viewing angle demonstration.
Yet, in above-mentioned display panels, for making liquid crystal molecule realize pre-dumping, all need on ito substrate, increase projection or crack, and projection and crack all need to be on the array base palte of display panels be realized by accurate technique as photoetching; So not only increase manufacturing technology steps, and can affect product yield, increased manufacturing cost.
Summary of the invention
The embodiment of the present invention provides a kind of display panels and liquid crystal indicator, in its manufacture process, without increasing projection or crack, just can realize the pre-dumping of liquid crystal molecule.
In order to solve the problems of the technologies described above, the technical scheme of the embodiment of the present invention is as follows:
A display panels, comprising:
First substrate and the second substrate being oppositely arranged with described first substrate, liquid crystal molecule is clipped between described first substrate and described second substrate;
A side near described liquid crystal molecule on described first substrate is provided with transparent electrode layer;
A side near described liquid crystal molecule on described second substrate is provided with a plurality of pixel electrodes, each pixel electrode comprises that one is polygonal viewing area, between adjacent subpixels electrode viewing area, at least two limits are adjacent, described in each, pixel electrode and described transparent electrode layer form liquid crystal capacitance, and the polarity of voltage of the polarity of voltage first substrate transparent electrode layer relative to adjacent subpixels electrode of the relative first substrate transparent electrode layer of each pixel electrode is contrary.
Further, described viewing area is shaped as Rotational Symmetry polygon.
Further, described Rotational Symmetry polygon is recessed Rotational Symmetry polygon.
Further, described recessed Rotational Symmetry polygon is decussate texture.
Further, described liquid crystal molecule is negative liquid crystal molecule.
Further, described liquid crystal molecule vertical orientation.
Further, described pixel electrode also comprises the firstth district, the thin film transistor (TFT) that described pixel electrode is corresponding and memory capacitance are arranged at described first district's correspondence position, and arrangement is closely inlayed in the viewing area of described pixel electrode, and described the firstth district is arranged at described space of closely inlaying between viewing area.
Further, described a plurality of pixel electrodes are arranged in multirow, and every row pixel electrode comprises the first pixel electrode and the second pixel electrode, and arrangement is inlayed at the first pixel electrode of every row and the interval, viewing area of the second pixel electrode.
Further, each pixel electrode comprises one first district, and the thin film transistor (TFT) that described pixel electrode is corresponding and memory capacitance are arranged at described first district's correspondence position, and described the firstth district is arranged at the space between the viewing area of mutually inlaying.
Further, the corresponding grid line of described every a line pixel electrode, described row pixel electrode all connects described grid line, and each pixel electrode of described row connects a data line.
Further, corresponding two grid lines of described every a line pixel electrode, described row the first pixel electrode is connected respectively described two grid lines with the second pixel electrode, and adjacent the first pixel electrode and the second pixel electrode are electrically connected to a data line.
Further, described display panels also comprises a black matrix, and described black matrix blocks the firstth district of described pixel electrode.
Further, described black arranged in matrix in described first substrate near liquid crystal layer one side.
A liquid crystal indicator, comprising: the driving circuit of liquid crystal panel and the described liquid crystal panel of driving;
Described display panels, comprising:
First substrate and the second substrate being oppositely arranged with described first substrate, liquid crystal molecule is clipped between described first substrate and described second substrate;
A side near described liquid crystal molecule on described first substrate is provided with transparent electrode layer;
A side near described liquid crystal molecule on described second substrate is provided with a plurality of pixel electrodes, each pixel electrode comprises that one is polygonal viewing area, between adjacent subpixels electrode viewing area, at least two limits are adjacent, described in each, pixel electrode and described transparent electrode layer form liquid crystal capacitance, and the polarity of voltage of the polarity of voltage first substrate transparent electrode layer relative to adjacent subpixels electrode of the relative first substrate transparent electrode layer of each pixel electrode is contrary.
Further, described viewing area is shaped as Rotational Symmetry polygon.
Further, described Rotational Symmetry polygon is recessed Rotational Symmetry polygon.
Further, described recessed Rotational Symmetry polygon is decussate texture.
Further, described liquid crystal molecule is negative liquid crystal molecule.
Further, described liquid crystal molecule vertical orientation.
Further, described pixel electrode also comprises the firstth district, the thin film transistor (TFT) that described pixel electrode is corresponding and memory capacitance are arranged at described first district's correspondence position, arrangement is closely inlayed in the viewing area of described pixel electrode, and described the firstth district is arranged at the space between described viewing area of closely inlaying.
Further, described a plurality of pixel electrodes are arranged in multirow, and every row pixel electrode comprises the first pixel electrode and the second pixel electrode, and arrangement is inlayed at the first pixel electrode of every row and the interval, viewing area of the second pixel electrode.
Further, each pixel electrode comprises one first district, and the thin film transistor (TFT) that described pixel electrode is corresponding and memory capacitance are arranged at described first district's correspondence position, and described the firstth district is arranged at the space between the viewing area of mutually inlaying.
Further, the corresponding grid line of described every a line pixel electrode, described row pixel electrode all connects described grid line, and each pixel electrode of described row connects a data line.
Further, corresponding two grid lines of described every a line pixel electrode, described row the first pixel electrode is connected respectively described two grid lines with the second pixel electrode, and adjacent the first pixel electrode and the second pixel electrode are electrically connected to a data line.
Further, described display panels also comprises a black matrix, and described black matrix blocks the firstth district of described pixel electrode.
Further, described black arranged in matrix in described first substrate near liquid crystal layer one side.
Further, described driving circuit connects grid line and the data line of described display panels, described driving circuit with an inversion mode to described display panels output drive signal.
Further, described driving circuit connects grid line and the data line of described display panels, described driving circuit with row inversion mode to described display panels output drive signal.
Compared with prior art, display panels in the present embodiment, without making projection or fissured structure, but in display panels, to the adjacent subpixels electrode that is arranged on second substrate, apply the opposite polarity voltage of transparent electrode layer of relative first substrate, and it is adjacent that the viewing area of adjacent subpixels electrode has at least two limits, under contrary electric field action, liquid crystal molecule corresponding to pixel electrode viewing area forms tilt angle at the adjacent edge place of two pixel electrodes, thereby form a farmland, again because to have at least two limits adjacent the viewing area of adjacent subpixels electrode, therefore, in described viewing area, form multidomain, thereby realized the display effect of the wide viewing angle of display panels of the present invention, reduced manufacturing technology steps, and obtained higher product yield, reduced manufacturing cost.Moreover, described viewing area becomes concave polygon, make the viewing area of described pixel electrode there is more adjacent edge, and described depression polygon makes reversed electric field can affect the inside of the viewing area of pixel electrode, therefore can obtain better liquid crystal pre-dumping effect.Further, described viewing area becomes rotational symmetric cruciform, and therefore, a plurality of farmlands of formation in described viewing area also Rotational Symmetry distribute, thereby the visual angle of all directions of the described liquid crystal indicator making is more even, thereby further improve the visual angle of described liquid crystal indicator.Liquid crystal indicator of the present invention has aforesaid display panels, therefore also can reach identical technique effect.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of the display panels of prior art one;
Fig. 2 is the cross section structure schematic diagram of the display panels of prior art two;
Fig. 3 is the cross section structure schematic diagram of a kind of display panels of the embodiment of the present invention;
The plane structure chart of observing along A-A direction of display panels shown in Fig. 4 Fig. 3
Fig. 5 a is the structural representation of a kind of pixel electrode of the embodiment of the present invention one;
Fig. 5 b is the structural representation of the another kind of pixel electrode of the embodiment of the present invention one;
Fig. 6 is that two row of two grid line designs in the embodiment of the present invention one are adjacent from image element circuit schematic diagram;
Fig. 7 is the domain of two grid line designs in the embodiment of the present invention one;
Fig. 8 is the arrangement domain of the pixel electrode after the BM of the embodiment of the present invention one blocks;
Fig. 9 is the schematic diagram of the two adjacent pixel electrodes of BM after blocking in the embodiment of the present invention one;
Figure 10 is the structural representation of the optical filter on first substrate in the embodiment of the present invention one;
Figure 11 is the structural representation of a kind of liquid crystal indicator of the present invention;
Figure 12 realizes the panel domain of some inversion driving mode in the real liquid crystal indicator of the present invention;
Figure 13 realizes the driving signal schematic representation of some inversion driving mode in the real liquid crystal indicator of the present invention;
Figure 14 realizes the panel domain of line inversion driving mode in the real liquid crystal indicator reality of the present invention;
Figure 15 realizes the driving signal schematic representation of line inversion driving mode in the real liquid crystal indicator of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Set forth in the following description a lot of details so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here, implement, so the present invention has not been subject to the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with schematic diagram, when the embodiment of the present invention is described in detail in detail; for ease of explanation; the sectional view of indication device structure can be disobeyed general ratio and be done local amplification, and described schematic diagram is example, and it should not limit the scope of protection of the invention at this.The three-dimensional space that should comprise in addition, length, width and the degree of depth in actual fabrication.For outstanding feature of the present invention, in accompanying drawing, do not provide and the inevitable directly related part of inventive point of the present invention.
At present, in various display panels, the display panels of MVA, PVA pattern for example, generally by etching on substrate, form projection or crack, make liquid crystal molecule form certain pre-dumping, to can control liquid crystal molecule under powering state, turn to rapidly, realize multidomain.Yet the process in formation projection or crack, has not only increased processing step, and can affect product yield, and higher to the precision of manufacture process and quality requirements, has increased manufacturing cost.
Based on this, the invention provides a kind of display panels, and liquid crystal indicator, do not need to form projection or crack, only, by changing the polarity of voltage of the relative public electrode of adjacent subpixels electrode, just can realize the pre-dumping of liquid crystal molecule, thus the multidomain of realization.
Concrete, described display panels comprises first substrate and the second substrate being oppositely arranged with described first substrate, liquid crystal molecule is clipped between described first substrate and described second substrate; A side near described liquid crystal molecule on described first substrate is provided with transparent electrode layer; A side near described liquid crystal molecule on described second substrate is provided with a plurality of pixel electrodes, each pixel electrode comprises that one is polygonal viewing area, at least two limits between adjacent subpixels electrode viewing area are adjacent, described in each, pixel electrode and described transparent electrode layer form liquid crystal capacitance, and the polarity of voltage of the polarity of voltage first substrate transparent electrode layer relative to adjacent subpixels electrode of the relative first substrate transparent electrode layer of each pixel electrode is contrary.Below in conjunction with specific embodiments and the drawings, describe described display panels and liquid crystal indicator in detail.
Liquid crystal panel embodiment mono-of the present invention:
Please refer to Fig. 3 and Fig. 4, in the present embodiment, described display panels comprises first substrate 31 and the second substrate 32 being oppositely arranged with first substrate 31, and liquid crystal molecule 33 is clipped between first substrate 31 and second substrate 32.In the present embodiment, first substrate 31 can be colored filter substrate, and second substrate 32 can be thin-film transistor array base-plate, and liquid crystal molecule 33 can be negative liquid crystal molecule, and vertical described two substrate 31,32 orientations.Wherein, the side near liquid crystal molecule 33 on first substrate 31 is provided with transparent electrode layer 311, and the side near liquid crystal molecule 33 on second substrate 32 is provided with a plurality of pixel electrodes 321, the corresponding sub-pixel of each pixel electrode 321.
Each pixel electrode 321 comprises one first 41He Yi viewing area, district 42.The thin film transistor (TFT) that pixel electrode is corresponding and memory capacitance arrange the region of described first district's 41 correspondences.The viewing area 42 that is shaped as Rotational Symmetry polygon and adjacent two pixel electrodes 321 of described viewing area 42 has at least both sides adjacent, preferably described Rotational Symmetry polygon is concave polygon, in the present embodiment, described concave polygon is cruciform, and it comprises two outstanding round about vertical teats 421 and two outstanding round about parallel teats 422.Described a plurality of pixel electrode 321 comprises a plurality of the first pixel electrodes as shown in Figure 5 a and the second pixel electrode as shown in Figure 5 b, and the vertical teat 421 of the 41 contiguous described viewing areas 42, first area of described the first pixel electrode arranges.The second pixel electrode the parallel teat 422 of contiguous described viewing areas 42, first area 41 arrange.
Please again consult Fig. 4, described a plurality of pixel electrodes 321 are inlayed arrangement mutually, and it is adjacent that the viewing area 42 that makes each pixel electrode 321 and adjacent pixel electrode 321 viewing areas 42 at least have two limits.In the present embodiment, described a plurality of pixel electrode 321 is arranged in multirow.Every a line pixel electrode 321 comprises a plurality of the first pixel electrodes and the second pixel electrode.Arrangement is inlayed at 42 intervals, viewing area of described a plurality of the first pixel electrode and the second pixel electrode, thereby forms space between two row pixel electrodes.The first district 41 of the first pixel electrode that described row is adjacent and the second pixel electrode is arranged in described space.The first contiguous described the second son in district 41 of the first pixel electrode arranges as the viewing area 42 of electrode, and the first contiguous described the first son in district 41 of the second pixel electrode arranges as the viewing area 42 of electrode.The final domain forming as shown in Figure 4.By above-mentioned domain, arrange, between the viewing area 42 of pixel electrode 321, can have more limit adjacent, and arrangement is tightr, thereby can make full use of the chip area of second substrate.
On being applied to each pixel electrode 321 relatively the polarity of voltage of the transparent electrode layer 311 of first substrate 31 with the polarity of voltage of transparent electrode layer 311 of the relative first substrate 31 of pixel electrode 321 that is applied to its surrounding on the contrary time, the opposite direction of the electric field E forming between transparent electrode layer 311 on adjacent subpixels electrode 321 and first substrate, the liquid crystal molecule of pixel electrode 321 correspondences will be subject to the impact of rightabout electric field around and deflect, thereby formation pre-dumping, and, as shown in Figures 3 and 4, 1# region in the viewing area 42 of each pixel electrode 321 with it around adjacent pixel electrode 321 are arest neighbors, the impact that liquid crystal molecule corresponding to described 1# region is subject to reverse direction electric field is around larger, form larger pretilt angle, 2# region in the viewing area 42 of each pixel electrode with it around adjacent pixel electrode 321 be time neighbour's, its corresponding liquid crystal molecule also can be subject to the impact of reverse direction electric field around and deflection, pretilt angle wants less compared with 1# region, after energising, the liquid crystal molecule of whole pixel electrode 321 viewing area 42 correspondences forms a plurality of farmlands.
Compared with prior art, in display panels of the present invention, to the adjacent subpixels electrode 321 that is arranged on second substrate 32, apply the opposite polarity voltage of transparent electrode layer 311 of relative first substrate 31, and it is adjacent that the viewing area 42 of adjacent subpixels electrode 321 has at least two limits, under contrary electric field action, the liquid crystal molecule of pixel electrode 321 viewing area 42 correspondences forms tilt angle at described adjacent edge place, thereby form a farmland, again because to have at least two limits adjacent the viewing area 42 of adjacent subpixels electrode 321, therefore, the interior formation multidomain in described viewing area 42, therefore realized the display effect of wide viewing angle, do not need as made the technique of projection or fissured structure in prior art, thereby reduced manufacturing technology steps, and obtained higher product yield, reduced manufacturing cost.Moreover, 42 one-tenth of described viewing areas concave polygon, make the viewing area 42 of described pixel electrode 321 there is the more limit adjacent with adjacent subpixels electrode 321, and described depression polygon makes reversed electric field can affect the inside of the viewing area 42 of pixel electrode 321, therefore can obtain better liquid crystal pre-dumping effect.Further, the rotational symmetric cruciform in 42 one-tenth of described viewing areas, therefore, a plurality of farmlands of formation in described viewing area 42 also Rotational Symmetry distribute, thereby the visual angle of all directions of the described liquid crystal indicator making is more even, thereby further improve the visual angle of described liquid crystal indicator.
In the present embodiment, described liquid crystal display showing device can adopt single grid line design or two grid line design (dual gate), and wherein, single grid line design is the corresponding grid line of every a line pixel electrode 321.All first, second pixel electrodes of every row share described grid line.And two grid line designs are corresponding two grid lines of every a line pixel electrode 321, and all the first pixel electrodes of described row are electrically connected to a grid line, and the second all pixel electrodes are electrically connected to another grid line.Refer to as shown in Figure 6, Figure 7, the present embodiment preferably adopts two grid line designs, adopt described pair of grid line design can make two adjacent row pixel electrodes 321 share a data line 52, like this data line just can than the minimizing of general single grid line design half, and can greatly reduce like this use amount of data driving chip (source IC).
In general display panels design, thin film transistor (TFT) and memory capacitance corresponding region are can be by black matrix" (Black Matrix, BM) block, but the thin film transistor (TFT) not blocking and memory capacitance corresponding region can produce light leakage phenomena, make the contrast of display panels lower, so in embodiments of the present invention, the first area 41 that on second substrate, the correspondence of each pixel electrode is provided with thin film transistor (TFT) and memory capacitance can adopt the black matrix" on color film to block, thereby increases the contrast of panel.When blocking, can only to first area 41, block, also can as shown in Figure 8, adopt rectangular black matrix" 61 to block.
As refer to Fig. 8 and Fig. 9, adopt the adjacent pixel electrode 321 after rectangular black matrix" 61 blocks to have three contact edges with pixel electrode 321, a vertical teat of former cruciform pixel electrode 321 is blocked by BM, being shaped as of the pixel electrode 321 after two adjacent blocking "
" and " ⊥ " shape, and mutually inlay and Central Symmetry, the liquid crystal farmland that the liquid crystal molecule corresponding with described pixel electrode forms afterwards in energising is also centrosymmetric, and therefore, the liquid crystal panel with described pixel electrode structure distribution can have good visual angle.
In the present embodiment, relative with the pixel electrode 321 on second substrate, be positioned at the optical filter on first substrate, also there is the structure identical with pixel electrode, as shown in figure 10, optical filter is combined by red, green, blue three sub pixels, comprises redness (R) sub-pixel 81, green (G) sub-pixel 82, blue (B) sub-pixel 83.Whole optical filter can be comprised of repetitive 84, and a repetitive 84 can be comprised of 8 pixels (24 sub-pixels).
Display panels in the present embodiment, not only realized the pre-dumping of liquid crystal molecule, and then under "on" position, can form a plurality of farmland district, obtain good viewing angle characteristic, and, by the TFT to pixel electrode, adopt two grid line designs, reduced data line, greatly reduce data driving chip (source IC) use amount, and each pixel electrode correspondence arranged to thin film transistor (TFT) and memory capacitance region adopt black matrix" to block, improved the contrast of panel.
The embodiment of the present invention also provides a kind of liquid crystal indicator.
As shown in figure 11, in the present embodiment, described liquid crystal indicator comprises display panels 91 and driving circuit 92.Described driving circuit 92 drives described display panels 91.Wherein said display panels 91 is the display panels as described in front display panels embodiment.
Liquid crystal indicator embodiment mono-of the present invention:
In the present embodiment, described display panels 91 is described in foregoing liquid crystal display panel embodiment and adopt the display panels of single grid line design, and its circuit design as shown in figure 12.Described driving circuit 92 drives described liquid crystal panel 91 with an inversion driving mode, makes the polarity of voltage of polarity of voltage first substrate transparent electrode layer relative to adjacent subpixels electrode of the relative first substrate transparent electrode layer of each pixel electrode of described display panels 91 contrary.
Concrete, the driving signal schematic representation that described driving circuit drives the described display panels 91 of 92 driving as shown in figure 13, is please consulted Figure 12, in described display panels 91 again, every row pixel electrode is controlled by same grid line, and each sub-pixel of going together is by a data line traffic control.Described driving circuit 92 drives the process of described liquid crystal panel to be: described driving circuit 92 is to a grid line output one scan signal, and described sweep signal makes the thin film transistor (TFT) conducting of a line sub-pixel of described grid line connection.Simultaneously, described driving circuit 92 is exported gray scale voltage by data line to described row sub-pixel, and makes the polarity of voltage of the relative first substrate transparent electrode layer of described row pixel electrode contrary with the polarity of voltage of the relative first substrate transparent electrode layer of row adjacent subpixels electrode.
Please refer to Figure 12 and Figure 13.Particularly, data line A and data line B are electrically connected to respectively two adjacent row sub-pixels.Described data line A and data line B represent any two adjacent data lines of described display panels 91.Grid line A and grid line B be two adjacent row sub-pixels of correspondence respectively.Described grid line A and grid line B represent any two adjacent grid lines of described display panels 91.The transparent electrode layer of described first substrate is applied in a burning voltage, if the voltage of first substrate transparent electrode layer is 0V.First, to described grid line A, to export a magnitude of voltage be that the scanning impulse of 15V is opened the thin film transistor (TFT) of a line sub-pixel that described grid line A is corresponding for described driving circuit 92.Meanwhile, described driving circuit 92 to described data line A and data line B output voltage values is+negative polarity gray scale voltage that the positive polarity gray scale voltage of 5V and magnitude of voltage are-5V respectively.Described gray scale voltage makes the polarity of voltage of the relative first substrate transparent electrode layer of adjacent two pixel electrode of described row contrary.Then, to described grid line B, to export a magnitude of voltage be that the scanning impulse of 15V is opened the thin film transistor (TFT) of a line sub-pixel that described grid line B is corresponding to described driving circuit 92.Meanwhile, described driving circuit 92 to described data line A and data line B output voltage values is-positive polarity gray scale voltage that the negative polarity gray scale voltage of 5V and magnitude of voltage are+5V respectively.Described gray scale voltage makes the polarity of voltage of the relative first substrate transparent electrode layer of adjacent two pixel electrode of described row contrary, simultaneously, the polarity of voltage that makes to be listed as the adjacent relative first substrate transparent electrode layer of two pixel electrodes is also contrary, thereby makes the polarity of voltage of polarity of voltage first substrate transparent electrode layer relative to adjacent subpixels electrode of the relative first substrate transparent electrode layer of each pixel electrode in described display panels 91 contrary.Thereby realized the pre-dumping of liquid crystal molecule, realized wide viewing angle.
Liquid crystal indicator embodiment bis-of the present invention:
Described display panels 91 adopts the display panels of two grid line designs described in foregoing liquid crystal display panel embodiment, and its circuit design as shown in figure 14.Described driving circuit 92 drives described liquid crystal panel 91 in line inversion driving mode, and the polarity of voltage of polarity of voltage first substrate transparent electrode layer relative to adjacent subpixels electrode of the relative first substrate transparent electrode layer of each pixel electrode that makes to be applied to described display panels 91 is contrary.
Concrete, the driving signal schematic representation that described driving circuit drives the described display panels 91 of 92 driving as shown in figure 15, please again consult Figure 14, in described display panels 91, the first pixel electrode in every row pixel electrode and the second pixel electrode are electrically connected to respectively the first grid line and the second grid line.First pixel electrode adjacent with a line is connected same data line with the second pixel electrode.Described driving circuit 92 drives the process of described liquid crystal panel 91 to be: described driving circuit 92 is to the first grid line output one scan signal, thin film transistor (TFT) conducting corresponding to a line the first pixel electrode that described sweep signal connects described grid line.Simultaneously, described driving circuit 92 is to the identical gray scale voltage of each data line output polarity, the first pixel electrode that data line is connected is applied in a gray scale voltage, and described row the first pixel electrode is applied in the transparent electrode layer polarity same gray level voltage of relative first substrate.Then, described driving circuit 92 is to the second grid line output one scan signal, thin film transistor (TFT) conducting corresponding to described row the second pixel electrode that described sweep signal connects described grid line.Simultaneously, described driving circuit 92 is to the identical gray scale voltage of each data line output polarity, and the second pixel electrode that described data line is connected is applied in the transparent electrode layer polarity of voltage gray scale voltage contrary with the transparent electrode layer polarity of voltage of the relative first substrate of described row the first pixel electrode of a relative first substrate.
Please refer to Figure 14 and Figure 15, particularly, each data line is electrically connected to two adjacent row sub-pixels.The first pixel electrode and the second pixel electrode in the first grid line and the corresponding a line pixel electrode of the second grid line difference.Described the first grid line and the second grid line represent two grid lines that any a line pixel electrode of described display panels 91 is corresponding.The transparent electrode layer of described first substrate is applied in reversal voltage.First, to described the first grid line, to export a magnitude of voltage be that the scanning impulse of 15V is opened thin film transistor (TFT) corresponding to a line the first pixel electrode that described the first grid line is corresponding for described driving circuit 92.Meanwhile, described driving circuit 92 to all data line output voltage values is+the positive polarity gray scale voltage of 2.5V.The transparent electrode layer of described first substrate is applied in a reverse voltage, as-2.5V voltage.So, the voltage difference of the transparent electrode layer of described pixel electrode and described first substrate is+5V that the transparent electrode layer polarity that makes described row the first pixel electrode be applied in a relative first substrate is positive gray scale voltage.Then, to described the second grid line, to export a magnitude of voltage be that the scanning impulse of 15V is opened thin film transistor (TFT) corresponding to described row the second pixel electrode that described the second grid line is corresponding to described driving circuit 92.Meanwhile, described driving circuit 92 to all data line output voltage values is-the negative polarity gray scale voltage of 2.5V.The transparent electrode layer of described first substrate is applied in a forward voltage, as+2.5V voltage.So, the voltage difference of the transparent electrode layer of described pixel electrode and described first substrate is-5V that the transparent electrode layer polarity that makes described row the second pixel electrode be applied in a relative first substrate is negative gray scale voltage.Therefore, going two adjacent pixel electrodes, to be applied in the transparent electrode layer polarity of voltage of relative first substrate contrary.Drive in a like fashion again the sub-pixel of adjacent lines, thereby the transparent electrode layer polarity of voltage that makes to be listed as the adjacent relative first substrate of two pixel electrodes is also contrary, thereby make the polarity of voltage of polarity of voltage first substrate transparent electrode layer relative to adjacent subpixels electrode of the relative first substrate transparent electrode layer of each pixel electrode in described display panels 91 contrary.Thereby realized the pre-dumping of liquid crystal molecule, realized wide viewing angle.
Compared with prior art, in the liquid crystal indicator of the present embodiment, described driving circuit 92 is with the type of drive display panels of row reversion, because adopting row inversion mode to drive described panel can reduce the driving voltage that drives signal, therefore, reduce the power consumption of described liquid crystal indicator.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction.
Although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention.Any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible changes and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all still belongs in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (24)
1. a display panels, comprising:
First substrate and the second substrate being oppositely arranged with described first substrate, liquid crystal molecule is clipped between described first substrate and described second substrate;
A side near described liquid crystal molecule on described first substrate is provided with transparent electrode layer;
A side near described liquid crystal molecule on described second substrate is provided with a plurality of pixel electrodes, it is characterized in that, each pixel electrode comprises that one is polygonal viewing area, each at least two limit of each pixel electrode viewing area and a plurality of adjacent subpixels electrodes viewing area are adjacent, described in each, pixel electrode and described transparent electrode layer form liquid crystal capacitance, the polarity of voltage of the polarity of voltage first substrate transparent electrode layer relative to adjacent subpixels electrode of the relative first substrate transparent electrode layer of each pixel electrode is contrary, and the corresponding sub-pixel of pixel electrode described in each.
2. display panels according to claim 1, is characterized in that, described polygon is decussate texture.
3. according to the display panels described in any one in claim 1 to 2, it is characterized in that, described liquid crystal molecule is negative liquid crystal molecule.
4. according to the display panels described in any one in claim 1 to 2, it is characterized in that described liquid crystal molecule vertical orientation.
5. display panels according to claim 2, it is characterized in that, described pixel electrode also comprises the firstth district, the thin film transistor (TFT) that described pixel electrode is corresponding and memory capacitance are arranged at described first district's correspondence position, arrangement is closely inlayed in the viewing area of described pixel electrode, and described the firstth district is arranged at the space between described viewing area of closely inlaying.
6. display panels according to claim 2, it is characterized in that, described a plurality of pixel electrode is arranged in multirow, every row pixel electrode comprises the first pixel electrode and the second pixel electrode, and arrangement is inlayed at the first pixel electrode of every row and the interval, viewing area of the second pixel electrode.
7. display panels according to claim 6, it is characterized in that, each pixel electrode comprises one first district, the thin film transistor (TFT) that described pixel electrode is corresponding and memory capacitance are arranged at described first district's correspondence position, and described the firstth district is arranged at the space between the viewing area of mutually inlaying.
8. according to the display panels described in any one in claim 6 or 7, it is characterized in that, the corresponding grid line of described every a line pixel electrode, this row pixel electrode all connects described grid line, and each pixel electrode of described row connects a data line.
9. according to the display panels described in any one in claim 6 or 7, it is characterized in that, corresponding two grid lines of described every a line pixel electrode, described row the first pixel electrode is connected respectively described two grid lines with the second pixel electrode, and adjacent the first pixel electrode and the second pixel electrode are electrically connected to a data line.
10. according to the display panels described in any one in claim 5 or 7, it is characterized in that, described display panels also comprises a black matrix, and described black matrix blocks the firstth district of described pixel electrode.
11. display panels according to claim 10, is characterized in that, described black arranged in matrix in described first substrate near liquid crystal layer one side.
12. 1 kinds of liquid crystal indicators, comprising: the driving circuit of liquid crystal panel and the described liquid crystal panel of driving;
Described display panels, comprising:
First substrate and the second substrate being oppositely arranged with described first substrate, liquid crystal molecule is clipped between described first substrate and described second substrate;
A side near described liquid crystal molecule on described first substrate is provided with transparent electrode layer;
A side near described liquid crystal molecule on described second substrate is provided with a plurality of pixel electrodes, it is characterized in that, each pixel electrode comprises that one is polygonal viewing area, each at least two limit of each pixel electrode viewing area and a plurality of adjacent subpixels electrodes viewing area are adjacent, described in each, pixel electrode and described transparent electrode layer form liquid crystal capacitance, the polarity of voltage of the polarity of voltage first substrate transparent electrode layer relative to adjacent subpixels electrode of the relative first substrate transparent electrode layer of each pixel electrode is contrary, and the corresponding sub-pixel of pixel electrode described in each.
13. liquid crystal indicators according to claim 12, is characterized in that, described polygon is decussate texture.
14. according to claim 12 to the liquid crystal indicator described in any one in 13, it is characterized in that, described liquid crystal molecule is negative liquid crystal molecule.
15. according to claim 12 to the liquid crystal indicator described in any one in 13, it is characterized in that described liquid crystal molecule vertical orientation.
16. liquid crystal indicators according to claim 13, it is characterized in that, described pixel electrode also comprises the firstth district, the thin film transistor (TFT) that described pixel electrode is corresponding and memory capacitance are arranged at described first district's correspondence position, arrangement is closely inlayed in the viewing area of described pixel electrode, and described the firstth district is arranged at the space between described viewing area of closely inlaying.
17. liquid crystal indicators according to claim 13, it is characterized in that, described a plurality of pixel electrode is arranged in multirow, every row pixel electrode comprises the first pixel electrode and the second pixel electrode, and arrangement is inlayed at the first pixel electrode of every row and the interval, viewing area of the second pixel electrode.
18. liquid crystal indicators according to claim 17, it is characterized in that, each pixel electrode comprises one first district, the thin film transistor (TFT) that described pixel electrode is corresponding and memory capacitance are arranged at described first district's correspondence position, and described the firstth district is arranged at the space between the viewing area of mutually inlaying.
19. according to the liquid crystal indicator described in any one in claim 17 or 18, it is characterized in that, the corresponding grid line of described every a line pixel electrode, and described row pixel electrode all connects described grid line, and each pixel electrode of described row connects a data line.
20. according to the liquid crystal indicator described in any one in claim 17 or 18, it is characterized in that, corresponding two grid lines of described every a line pixel electrode, described row the first pixel electrode is connected respectively described two grid lines with the second pixel electrode, and adjacent the first pixel electrode and the second pixel electrode are electrically connected to a data line.
21. according to the liquid crystal indicator described in any one in claim 16 or 18, it is characterized in that, described display panels also comprises a black matrix, and described black matrix blocks the firstth district of described pixel electrode.
22. liquid crystal indicators according to claim 21, is characterized in that, described black arranged in matrix in described first substrate near liquid crystal layer one side.
23. according to liquid crystal indicator described in claim 19, it is characterized in that, described driving circuit connects grid line and the data line of described display panels, described driving circuit with an inversion mode to described display panels output drive signal.
24. according to liquid crystal indicator described in claim 20, it is characterized in that, described driving circuit connects grid line and the data line of described display panels, described driving circuit with row inversion mode to described display panels output drive signal.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104036710B (en) | 2014-02-21 | 2016-05-04 | 北京京东方光电科技有限公司 | Pel array and driving method thereof, display floater and display unit |
| CN104036701B (en) * | 2014-06-26 | 2016-03-02 | 京东方科技集团股份有限公司 | Display panel and display packing, display device |
| CN104123904B (en) | 2014-07-04 | 2017-03-15 | 京东方科技集团股份有限公司 | Pel array and its driving method and display floater |
| CN106803363A (en) * | 2015-01-07 | 2017-06-06 | 江苏理工学院 | Flight conflict resolution method based on 4D flight path |
| CN106803362A (en) * | 2015-01-07 | 2017-06-06 | 江苏理工学院 | Flight conflict early warning method based on 4D track |
| CN104504938B (en) * | 2015-01-07 | 2017-01-04 | 江苏理工学院 | Control method of air traffic control system |
| CN106157700B (en) * | 2015-01-07 | 2018-10-09 | 江苏理工学院 | Air Traffic Control Method Based on 4D Track Operation |
| CN106297419B (en) * | 2015-01-07 | 2019-01-25 | 江苏理工学院 | 4D-based aircraft trajectory prediction method |
| CN107221302B (en) * | 2017-07-31 | 2020-01-21 | 厦门天马微电子有限公司 | Display panel and display device |
| CN111354762B (en) * | 2018-12-21 | 2023-02-21 | 广东聚华印刷显示技术有限公司 | Pixel structure, display device and evaporation mask |
| CN116520615A (en) * | 2023-05-31 | 2023-08-01 | 绵阳惠科光电科技有限公司 | Display panel and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105584A (en) * | 2006-07-10 | 2008-01-16 | 胜华科技股份有限公司 | Multiple-domain liquid crystal display |
| CN101135785A (en) * | 2006-08-30 | 2008-03-05 | 胜华科技股份有限公司 | Multi-domain LCD |
| CN101285977A (en) * | 2008-05-30 | 2008-10-15 | 昆山龙腾光电有限公司 | LCD device and its array substrate |
| CN101937155A (en) * | 2009-07-01 | 2011-01-05 | 昆山龙腾光电有限公司 | Liquid crystal display panel and liquid crystal display |
-
2009
- 2009-11-25 CN CN200910199650.2A patent/CN102073175B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105584A (en) * | 2006-07-10 | 2008-01-16 | 胜华科技股份有限公司 | Multiple-domain liquid crystal display |
| CN101135785A (en) * | 2006-08-30 | 2008-03-05 | 胜华科技股份有限公司 | Multi-domain LCD |
| CN101285977A (en) * | 2008-05-30 | 2008-10-15 | 昆山龙腾光电有限公司 | LCD device and its array substrate |
| CN101937155A (en) * | 2009-07-01 | 2011-01-05 | 昆山龙腾光电有限公司 | Liquid crystal display panel and liquid crystal display |
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