CN204028529U - Array base palte and display device - Google Patents
Array base palte and display device Download PDFInfo
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- CN204028529U CN204028529U CN201420467337.9U CN201420467337U CN204028529U CN 204028529 U CN204028529 U CN 204028529U CN 201420467337 U CN201420467337 U CN 201420467337U CN 204028529 U CN204028529 U CN 204028529U
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Abstract
The utility model embodiment discloses a kind of array base palte and display device, relates to demonstration field, can solve the problem that available liquid crystal display viewing angles is narrow.Described array base palte, comprise: data line arranged in a crossed manner and grid line, and the pixel cell that driven by same data line and same grid line, in described pixel cell, be provided with pixel electrode, at data line bearing of trend, the spacing forming between data line and the pixel electrode that driven by described data line is arranged to inconsistent value, thereby forms a plurality of farmland district.
Description
Technical field
The utility model relates to demonstration field, relates in particular to a kind of array base palte and display device.
Background technology
Liquid crystal display due to zero radiation, low-power consumption, the advantage such as heat radiation is little, volume is little, image restoring is accurate, character demonstration is sharp keen, extensively substituted traditional C RT display device.
Traditional liquid crystal display is by color membrane substrates, array base palte is mutually to box and pour into liquid crystal form between the substrate of two pairs of boxes, as shown in Figure 1, planar structure schematic diagram for a kind of array base palte, mainly comprise data line 11 (D1～D3 in figure), grid line 12 (G1～G3 in figure), pixel electrode 13 and thin film transistor (TFT) 14, adjacent data line 11 and adjacent grid line 12 intersect in length and breadth, limit pixel region, pixel electrode 13 is arranged in this pixel region, thin film transistor (TFT) 14 is positioned near the point of crossing of data line 11 and grid line 12, the grid of thin film transistor (TFT) 14 is connected with grid line 12, source electrode is connected with data line 11, drain electrode is connected with pixel electrode 13.During work, pixel electrode 13 and public electrode (not shown) are subjected to voltage, the electric field (abbreviation vertical electric field) that forms vertical substrate direction between pixel electrode 13 and public electrode drives liquid crystal deflecting element, thus light by time demonstrate image because of blocking of liquid crystal molecule.
In this traditional liquid crystal display, it is mainly the vertical electric field driving liquid crystal deflecting element between pixel electrode and public electrode, if watched under large deflection angle, will have that contrast is low, the problem of color distortion, there is the narrow problem of visible angle (abbreviation visual angle).
Prior art as shown in Figure 1, on array base palte, in each pixel cell, the spacing d of the formation between data line 11 and pixel electrode 13 equates, make in same pixel cell or between adjacent pixel unit, the essentially no difference of pressure reduction of data line 11 and pixel electrode 13, liquid crystal molecule is limited in the deflection of pixel electrode edge, and angular field of view is under some influence.The array base palte that the utility model embodiment provides, by the spacing d forming between data line 11 and the pixel electrode 13 that driven by data line is arranged to inconsistent value, in same pixel cell or between different pixels unit, because of spacing d value inconsistent, there is difference with the pressure reduction of pixel electrode 13 in data line 11, form thus a plurality of farmland district, thereby expand visual angle, solve the narrow problem of available liquid crystal display viewing angles.
Design philosophy based on above-mentioned, exists the various ways can be by data line on array base palte 11 and be subject to the spacing d between pixel electrode 13 that data line 11 drives to be arranged to inconsistent value while specifically implementing.For example, can be as shown in Figure 2, by changing the shape of pixel electrode 13, change the pixel electrode of original rectangle into dissymmetrical structure shown in Fig. 2, make the different piece of same pixel electrode 13 form different spacing between the data line 11 of this pixel electrode 13 of driving; Or as shown in Figure 4, the area of the pixel electrode in different pixels unit 13 is designed to different value, thereby makes the pixel electrode 13 of different pixels unit form different spacing between the data line 11 of this pixel electrode 13 of driving.In addition, can also reach identical object by changing shape or the live width of data line 11, example as shown in Figure 8, make data line 11 on bearing of trend, be bending, example as shown in figure 10, makes data line 11 on bearing of trend, have different live width D again, all can make data line 11 and be subject to the spacing d between pixel electrode 13 that data line 11 drives to be arranged to different value, thereby form a plurality of farmland district, solve the narrow problem of available liquid crystal display viewing angles.Therefore, the present embodiment does not limit which kind of mode of concrete employing, as long as the spacing forming between the pixel electrode that can make data line and driven by data line is no longer consistent, can form a plurality of farmland district.
Utility model content
The utility model embodiment provides a kind of array base palte and display device, can solve the problem that available liquid crystal display viewing angles is narrow.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
On the one hand, the utility model provides a kind of array base palte, comprise: data line arranged in a crossed manner and grid line, and the pixel cell that driven by same data line and same grid line, in described pixel cell, be provided with pixel electrode, at data line bearing of trend, the spacing forming between data line and the pixel electrode that driven by described data line is arranged to inconsistent value, thereby forms a plurality of farmland district.
Alternatively, described pixel electrode at least comprises the first electrode and the second electrode, and the spacing forming between described the first electrode and described data line is d1, and the spacing that described the second electrode and described data line form is d2, d1 ≠ d2.
Alternatively, described the first electrode is connected at neighboring edge with the second electrode; Or described the first electrode and the second electrode are separated from each other, but driven by same data line and same grid line.
Alternatively, described pixel cell comprises two kinds of the first pixel cell and the second pixel cells, in described the first pixel cell, is provided with the first pixel electrode, in described the second pixel cell, is provided with the second pixel electrode;
The spacing forming between the data line of described the first pixel electrode and described the first pixel electrode of driving is d1, and the spacing forming between described the second pixel electrode and the data line of described the second pixel electrode of driving is d2, d1 ≠ d2.
Alternatively, described the first pixel cell, described the second pixel cell form two kinds of pixels in the following manner:
The first pixel comprises at least three the first pixel cells, and the second pixel comprises at least three the second pixel cells.
Described pixel cell comprises two kinds of the first pixel cell and the second pixel cells alternatively,
In the first pixel cell, along in the direction parallel with data line, described the first electrode is positioned at the below of described the second electrode,
In the second pixel cell, along in the direction parallel with data line, described the first electrode is positioned at the top of described the second electrode; And,
Be arranged in described first electrode of same pixel cell and the driving that described the second electrode is subject to same data line and same grid line.
Alternatively, described the first pixel cell and described the second pixel cell form pixel in the following manner:
In described the first pixel, at least comprise three described the first pixel cells, at least comprise three described the second pixel cells in described the second pixel, described the first pixel and described the second pixel are spaced on array base palte; Or,
Described the first pixel cell and described the second pixel cell form pixel along grid line direction alternative arrangement, and this Pixel arrangement is on array base palte.
Alternatively, described data line is bending on bearing of trend, comprise: to the first of first direction bending with to the second portion of the opposite direction bending of first direction, the spacing forming between the pixel electrode that described first, described second portion and described data line drive is respectively d1 and d2, d1 ≠ d2.
Alternatively, described data line has different live widths on bearing of trend, comprise: the First that live width is different and second portion, the spacing forming between the pixel electrode that described first, described second portion and described data line drive is respectively d1 and d2, d1 ≠ d2.
Preferably, d1 is greater than first threshold, and d2 is less than Second Threshold, and first threshold is more than or equal to Second Threshold.
Alternatively, described d1 is the spacing forming between described first and the first pixel electrode, and described d2 is the spacing forming between described second portion and the second pixel electrode, and described the first pixel electrode and described the second pixel electrode are positioned at same row and adjacent.
Alternatively, the region of the part correspondence that described first and described second portion are connected mutually between described the first pixel electrode and described the second pixel electrode.
Alternatively, described second portion and described the second pixel electrode overlaid.
Alternatively, described d1 and d2 are respectively the spacing forming between described first, described second portion and same described pixel electrode.
Alternatively, described second portion and described pixel electrode overlaid.
On the other hand, the utility model embodiment also provides a kind of display device, comprising: the array base palte described in above-mentioned any one.
As shown in Figure 1, in prior art, in each pixel, data line 11 equates with the distance between pixel electrode 13, make in same pixel or between neighbor, the essentially no difference of pressure reduction of data line 11 and pixel electrode 13, liquid crystal molecule is limited in the deflection of pixel electrode edge, and angular field of view is under some influence.
The array base palte that the utility model embodiment provides and display device, by at data line bearing of trend, the spacing forming between data line and the pixel electrode that driven by data line is arranged to different value, in same pixel or between different pixels, there is difference in the pressure reduction of data line and pixel electrode, forms thus a plurality of farmland district, thereby expansion visual angle, solve the narrow problem of available liquid crystal display viewing angles, so-called farmland district, refers to that liquid crystal molecular orientation is consistent or is similar to consistent region.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of existing array base palte;
The structural representation of a kind of array base palte that Fig. 2 provides for the utility model embodiment 2;
The structural representation of the another kind of array base palte that Fig. 3 provides for the utility model embodiment 2;
The structural representation of the array base palte that Fig. 4 provides for the utility model embodiment 3;
The structural representation of the array base palte that Fig. 5 provides for the utility model embodiment 3 the first embodiments;
The structural representation of the array base palte that Fig. 6 provides for the utility model embodiment 3 the second embodiments;
The structural representation of the array base palte that Fig. 7 provides for the utility model embodiment 3 the third embodiments;
The structural representation of a kind of array base palte that Fig. 8 provides for the utility model embodiment 4;
The structural representation of the another kind of array base palte that Fig. 9 provides for the utility model embodiment 4;
Figure 10 is the structural representation of the array base palte that in the utility model embodiment 5, the first embodiment provides;
Figure 11 is transverse electric field and the distribution schematic diagram that drives electric field in the utility model embodiment 5;
The structural representation of the array base palte that the another kind of advantageous version that Figure 12 is the first embodiment in the utility model embodiment 5 provides;
The structural representation of the array base palte that another advantageous version that Figure 13 is the first embodiment in the utility model embodiment 5 provides;
Figure 14 is the structural representation of the array base palte that in the utility model embodiment 5, the second embodiment provides;
The structural representation of the array base palte that Figure 15 provides for the 3rd embodiment in the utility model embodiment 5.
Reference numeral:
11-data line, 12-grid line, 13-pixel electrode, 14-thin film transistor (TFT), d-spacing,
131-the first electrode, 132-the second electrode, 15A-the first pixel cell, 13A-the first pixel electrode,
15B-the second pixel cell, 13B-the second pixel electrode, 26-the first pixel, 27-the second pixel,
46-the first pixel cell, 47-the second pixel cell, 48-dual-channel film transistor, 49-pixel;
111-first, 121-second portion, D-live width, 17-pixel cell, 15-public electrode,
The part that 16-first is connected mutually with second portion.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.
Embodiment 1
A kind of array base palte of the utility model embodiment, comprise: data line arranged in a crossed manner and grid line, and by the pixel cell that driven by same data line and same grid line, in pixel cell, be provided with pixel electrode, at data line bearing of trend, the spacing forming between data line and the pixel electrode that driven by described data line is arranged to inconsistent value, thereby forms a plurality of farmland district.
Embodiment 2
A kind of array base palte of the utility model embodiment, as shown in Figure 2, this array base palte comprises: data line 11 arranged in a crossed manner and grid line 12, and the pixel cell (each pixel cell is a sub-pix) that driven by same data line and same grid line, in pixel cell, be provided with pixel electrode 13, each pixel electrode 13 comprises the first electrode 131 and second electrode 132 two parts, these two parts are connected at neighboring edge, the spacing forming between the first electrode 131 and data line 11 is d1, the second electrode 132 is d2 with the spacing that data line 11 forms, d1 ≠ d2, therefore, on the driving electric field at the first electrode 131 places with on the impact of the driving electric field at the second electrode 132 places, there is difference in data line 11, make the orientation of liquid crystal molecule have a plurality of farmland district, Er Chou district is more, more contribute to improve the narrow problem in liquid crystal visual angle.
As shown in Figure 3, the utility model embodiment also provides another kind of array base palte, is with the difference of array base palte shown in Fig. 2, and the first electrode 131 and the second electrode 132 are separated from each other, but driven by same data line 11 and same grid line 12.
In the present embodiment, pixel electrode 13 comprises the two parts (the first electrode 131 and the second electrode 132) that are separated from each other, and these two parts lay respectively at the both sides of shared grid line 12, adopt respectively a thin film transistor (TFT) 14 to drive, the grid of these two thin film transistor (TFT)s 14 is all connected with grid line 12, source electrode is all connected with data line 11, the drain electrode of a thin film transistor (TFT) 14 is connected with the first electrode 131, and the drain electrode of another thin film transistor (TFT) 14 is connected with the second electrode 132.The present embodiment can form a plurality of farmland district equally, improve the narrow problem in liquid crystal visual angle, simultaneously by setting up thin film transistor (TFT), the first electrode 131, the second electrode 132 are driven respectively, improved the driving force of pixel, thereby made liquid crystal display there is better display effect.
Wherein alternatively, the first electrode 131 and the second electrode 132 misplace on data line bearing of trend, the axis of symmetry of the first electrode 131 on data line bearing of trend and the axis of symmetry of the second electrode 132 on data line bearing of trend are parallel to each other but not on same straight line, thereby make the first electrode 131, the second electrode 132 unequal to the distance of same data line.The so-called axis of symmetry, electrode approaches about the axis of symmetry or complete rotational symmetry, and the axis of symmetry in the present embodiment is parallel to data line bearing of trend.
In above-described embodiment, be by pixel electrode being divided into at least two parts, and, at least two parts are different from the distance of data line 11 for these, form by this multidomain district, in concrete enforcement, those skilled in the art can be divided into pixel electrode three, four more parts even as required, thereby obtain more multidomain district, for the better effects if of improving of the narrow problem of visual angle of liquid crystal display.
The array base palte that the utility model embodiment provides, can realize multidomain district, thereby solves the narrow technical matters of available liquid crystal display viewing angles.
Embodiment 3
A kind of array base palte of the utility model embodiment, as shown in Figure 4, this array base palte comprises: data line 11 arranged in a crossed manner and grid line 12, and the pixel cell that driven by same data line and same grid line, pixel cell comprises two kinds of the first pixel cell 15A and the second pixel cell 15B, in the first pixel cell 15A, be provided with the first pixel electrode 13A, in the second pixel cell 15B, be provided with the second pixel electrode 13B; The spacing forming between the data line 11 of the first pixel electrode 13A and driving the first pixel electrode 13A is d1, and the spacing forming between the second pixel electrode 13B and the data line 11 of driving the second pixel electrode 13B is d2, d1 ≠ d2.Like this, there is difference to the impact of the driving electric field of the first pixel cell 15A, the second pixel cell 15B in data line 11, thereby make the orientation of liquid crystal molecule have a plurality of farmland district, and Er Chou district is more, more contributes to improve the narrow problem in liquid crystal visual angle.
Wherein alternatively, the first pixel electrode 13A, the second pixel electrode 13B is rectangle, the area of the first pixel electrode 13A is less than the area of the second pixel electrode 13B, makes the spacing d1 forming between the first pixel electrode 13A and data line 11 be greater than the spacing d2 forming between the second pixel electrode 13B and data line 11.
The first embodiment of the present embodiment as shown in Figure 5, the first pixel cell 15A, the second pixel cell 15B can directly form two kinds of pixels in the following manner: the first pixel 26 comprises at least three the first pixel cell 15A, and the first pixel cell 15A exists as the sub-pix of the first pixel 26; The second pixel 27 comprises at least three the second pixel cell 15B, and the second pixel cell 15B exists as the sub-pix of the second pixel 27.In figure, shown in each pixel, comprise three pixel cells, respectively three kinds of sub-pixs of corresponding RGB.Preferably, the first pixel 26 and the second pixel 27 are spaced on array base palte, to make up the first pixel 26 and the otherness of the second pixel 27 in Luminance Distribution.
The present embodiment can also be arranged to inconsistent by the spacing forming between pixel electrode and the data line of driving pixel electrode in a pixel cell, in the size level of pixel cell, realize wide visual angle, by the pixel cell of having realized wide visual angle, form pixel again, specific as follows:.
Particularly, the second embodiment of the present embodiment as shown in Figure 6, pixel electrode in pixel cell at least comprises the first electrode 131 and the second electrode 132, the spacing forming between the first electrode 131 and data line 11 is d1, the second electrode 132 is d2 with the spacing that data line 11 forms, d1 ≠ d2.Pixel cell is divided into two kinds by the arrangement mode of the first electrode 131 and the second electrode 132, the first pixel cell 46 and the second pixel cell are 47 two kinds, in the first pixel cell 46, along in the direction parallel with data line 11, the first electrode 131 is positioned at the below of the second electrode 132, in the second pixel cell 47, along in the direction parallel with data line 11, the first electrode 131 is positioned at the top of the second electrode 132; And, be arranged in the first electrode 131 of same pixel cell and the driving that the second electrode 132 is subject to same data line 11 and same grid line 12.
The first electrode 131 and the second electrode 132 adopt a dual-channel film transistor 48 to drive, two source electrodes of dual-channel film transistor 48 are all connected to same data line 11, shared grid is connected to 12, two drain electrodes of same grid line and is connected to respectively the first electrode 131 and the second electrode 132.
Then, the first pixel cell 46 and the second pixel cell 47 form pixel in the following manner: in the first pixel 26, at least comprise three the first pixel cells 46, in described the second pixel 27, at least comprise three the second pixel cells 47, the first pixel 26 and the second pixel 27 are spaced on array base palte.
Wherein said top, below do not refer to the structural position relationship of layer, neither be for limiting, it is only a kind of relative orientation concept, be used in reference on out-of-plane figure the relative position of the first electrode 131 and the second electrode 132 in pixel cell, in the present embodiment, with reference to orientation shown in Fig. 6, understand.
Alternatively, the area of the first electrode 131 is less than the area of the second electrode 132, thereby the spacing d1 that makes between the first electrode 131 and data line 11 to form is greater than the spacing d2 that the second electrode 132 and data line 11 form.
The third embodiment of the present embodiment as shown in Figure 7, from the difference part of the second embodiment only different with the mode that is formed pixel by the first pixel cell 46 and the second pixel cell 47, in body embodiment, adopt the first pixel cell 46 and the second pixel cell 47 to form pixel 49 along grid line direction alternative arrangement, this pixel 49 is arranged on array base palte.
The array base palte that the present embodiment provides, be provided with the pixel being formed by the first pixel cell, the second pixel cell, and in these two kinds of pixel cells, pixel electrode is unequal to the spacing forming between data line separately, can form the different Chou of more liquid crystal alignings district, and those farmland district being more evenly distributed on array base palte, display effect is better.
Embodiment 4
A kind of array base palte of the utility model embodiment, as shown in Figure 8, this array base palte comprises: data line 11 arranged in a crossed manner and grid line 12, and the pixel cell being defined by adjacent data line 11 and adjacent grid line 12, described data line is bending on bearing of trend, comprise: to the first 111 of first direction bending with to the second portion 121 of the opposite direction bending of first direction, the spacing forming between the pixel electrode 13 that first 111, second portion 121 and data line drive is respectively d1 and d2, d1 ≠ d2.
The opposite direction of wherein said first direction, first direction is only a kind of relative direction concept, is used in reference to two relative directions of data line bending on out-of-plane figure, is not for limiting.Generally speaking, data line 11 and grid line 12 are crisscross, and described first direction is parallel with grid line 11.For ease of understanding, in narration, with reference to direction shown in Fig. 8, to understand below, data line 21 longitudinally (with grid line vertical direction) is arranged, and below with the left side in first direction corresponding diagram, the right side in the opposite direction corresponding diagram of first direction is that example describes.
Alternatively, the first pixel electrode and the second pixel electrode are positioned at same row and adjacent, the spacing forming between above-mentioned d1Wei first 111 and the first pixel electrode, and above-mentioned d2 is the spacing forming between second portion 121 and the second pixel electrode, d1 ≠ d2.Further preferably, the region of the part correspondence that first 11 and second portion 121 are connected mutually between the first pixel electrode and the second pixel electrode.
Specifically as shown in Figure 8, for meeting the first embodiment of the present embodiment, data line 11 and grid line 12 are arranged in a crossed manner on array base palte, and pixel cell, in pixel cell, be provided with pixel electrode 13, near each point of crossing of data line 11 and grid line 12, be provided with thin film transistor (TFT) 14, the source electrode of thin film transistor (TFT) 14 is connected with data line 11, grid is connected with grid line 12, drain electrode is connected with pixel electrode 13 by via hole, wherein, data line 21 is bending, left side to data line 11 in the capable pixel cell of N bends (corresponding first 111), in the capable pixel cell of N+1, this data line 21, to the right side bending (corresponding second portion 121) of data line 21, is below analogized, and wherein N is natural number.
Like this, with regard to a certain data line 11, in the capable pixel cell of N, this data line 11 is near the pixel electrode 13 in its left side, between the pixel electrode 13 in data line 11 left sides and this data line 11, there is transverse electric field to produce, can increase the visual angle on horizontal direction right side; In the capable pixel cell of N+1, this data line 11, near the pixel electrode 13 on its right side, has transverse electric field to produce between this data line 11 and the pixel electrode 13 in its left side, can increase the visual angle in horizontal direction left side, and N is natural number.Therefore for whole display device, increase the capable capable alternative arrangement of pixel cell with increasing the visual angle on horizontal direction right side of pixel cell at the visual angle in horizontal direction left side, can expand the visual angle of whole display device left and right directions.
In addition, can also be that segment data line corresponding in the capable and capable pixel cell of N+1 of N is the first 111 in the present embodiment, to first direction, bend; Segment data line corresponding in N+2 and the capable pixel cell of N+3 is the second portion 121 in the present embodiment, to the opposite direction bending of first direction.Or, can also be other similar bending modes.
Shown in Fig. 9, only for meeting another preferred implementation of the present embodiment, have repeatedly bending in same pixel cell, a segment data line corresponding to pixel cell comprises a plurality of firsts 111 and a plurality of second portion 121.The spacing forming between the same pixel electrode 13 that first 111, second portion 121 and data line 11 drive is respectively d1 and d2, d1 ≠ d2, therefore, on the driving electric field at the first electrode 131 places with on the impact of the driving electric field at the second electrode 132 places, there is difference in data line 11, thereby the corresponding different Chou of the orientation district that forms liquid crystal molecule, in same pixel cell, bend number of times more, form Chou district more, more contribute to improve the narrow problem in liquid crystal visual angle.
Further preferably, in the present embodiment, a segment data line corresponding to pixel cell comprises a plurality of firsts 111 and a plurality of second portion 121, and this segment data line is symmetrical about the middle separated time of pixel cell, in this, separated time is parallel to grid line 12, like this, not only form Chou district number more, it is better that effect is improved at visual angle, and farmland district is evenly distributed, visual effect is better.
The mode that the present embodiment bends by data line, forms the different Chou of liquid crystal aligning district, thereby solves the narrow problem of available liquid crystal display viewing angles, simple.
Embodiment 5
The utility model embodiment provides a kind of array base palte, shown in Figure 10, this array base palte comprises: data line 11 (D1～D3) arranged in a crossed manner and grid line (G1～G3), and pixel cell 17, in pixel cell 17, be provided with pixel electrode 13, data line 11 has different live width D on bearing of trend, comprise: the First 111 that live width is different and second portion 121, the spacing forming between the pixel electrode 13 that first 111, second portion 121 and data line drive is respectively d1 and d2, d1 ≠ d2.
The present embodiment, by the live width of data line 11 is arranged to different value, forms different spacing between the pixel electrode 13 that data line 11 and data line 11 are driven.It shown in Figure 10, is only a kind of array base palte that meets the present embodiment, in fact, data line can exist multistage live width not wait and (in Figure 10, only have two sections at bearing of trend, be first 111 and second portion 121), accordingly, can make the spacing between pixel electrode that the He Yugai edge, edge of data line is relative have a plurality of numerical value, the present embodiment does not limit this.
The array base palte that the utility model embodiment provides, by data line 11 is arranged to different live widths on bearing of trend, thereby form different spacing d (the spacing d hereinafter to be referred as data line 11 with pixel electrode 13) between the pixel electrode 13 that data line 11 and data line 11 are driven, like this, the pressure reduction forming between data line 11 and pixel electrodes is no longer identical, in same pixel or between different pixels, there is difference in the pressure reduction between data line and pixel electrode, produce thus stronger fringing field effect, can increase the deflection angle of liquid crystal molecule, expand visual angle, can solve the problem that available liquid crystal display viewing angles is narrow.
For those skilled in the art better understand the structure of the array base palte that the utility model embodiment provides, array base palte the utility model being provided below by specific embodiment is elaborated.
As shown in figure 10, for the first embodiment of the present utility model, on array base palte, be provided with data line 11 (D1～D3) and the grid line 12 (G1～G3) of cross-distribution, and the pixel cell 17 that driven by same data line 11 and same grid line 12, in each pixel cell 17, be all provided with the pixel electrode 13 of a bulk, data line 11 comprises first 111 and the second portion 121 that live width is different, and the spacing forming between the pixel electrode 13 that first, second part and data line 11 drive is respectively d1 and d2.Particularly, wherein with first, the relative pixel electrode in edge of second portion is respectively the first pixel electrode 13A and the second pixel electrode 13B, the first pixel electrode 13A and the second pixel electrode 13B are positioned at same row and adjacent, the spacing forming between d1Wei first 111 and the first pixel electrode 13A, d2 is the spacing forming between second portion 121 and the second pixel electrode 13B, d1 ≠ d2, first 111 and second portion 121 places form different pressure reduction from pixel electrode, produce stronger fringing field effect, thereby increase the deflection angle of liquid crystal molecule, expand visual angle.
A kind of advantageous version as above-mentioned the first embodiment, the spacing d1 forming between above-mentioned first 111 and the first pixel electrode 13A is greater than first threshold, the spacing d2 forming between second portion 121 and the second pixel electrode 13B is less than Second Threshold, and first threshold is more than or equal to Second Threshold.The present embodiment is defined as first threshold as long as the spacing forming between data line and pixel electrode is greater than this first threshold, the impact of data line electromotive force with regard to little to ignoring; Second Threshold is defined as long as data line is less than this Second Threshold to the distance of pixel electrode to impact that will factor data line electromotive force and at pixel electrode fringe region generation transverse electric field.
Specific to Figure 10, the spacing d1 forming between first 111 and the first pixel electrode 13A is greater than first threshold, therefore, the liquid crystal molecule of this pixel region is only subject to the impact of vertical electric field between the first pixel electrode 13A and public electrode, can guarantee the authenticity of color representation; The spacing d2 forming between second portion 121 and the second pixel electrode 13B is less than Second Threshold, as shown in figure 11, the liquid crystal molecule of this pixel edges is except being subject to the impact of vertical electric field between the second pixel electrode 13B and public electrode, also be subject to the impact of transverse electric field, can realize wide visual angle, with regard to whole display device, when realizing wide visual angle, also can guarantee the validity of color rendition.
As shown in figure 12, another kind of advantageous version as above-mentioned the first embodiment, first 111 and second portion 121 are connected mutually, the region of part 16 correspondences that first 111 and second portion 121 are connected mutually between the first pixel electrode 13A and the second pixel electrode 13B.Because the data line 11 of different in width is in junction, self-assembling formation one is towards the projection of pixel electrode 13, this prominence, there is sudden change with the spacing d of pixel electrode 13 in data line 11, make thus liquid crystal molecule corresponding to this prominence there is larger deflection angle, do not need in addition independent technique to form the auxiliary electrode that expands visual angle, save technique.
As shown in figure 13, as another advantageous version of above-mentioned the first embodiment, second portion 121 live widths are very large, cause second portion 121 and the second pixel electrode 13B overlaid or partly overlap.It is larger that pixel edges liquid crystal molecule is subject to that between the second pixel electrode 13B and data line, transverse electric field affects, and liquid crystal molecule has larger deflection angle, the better effects if of improving to the narrow problem of available liquid crystal display viewing angles.
Shown in Figure 14, for the second embodiment of the present utility model, be with the difference of the first embodiment, the first 111 different from the live width pixel electrode relative with the edge of second portion 121 is same pixel electrode 13, be that d1 and d2 are respectively the spacing forming between first 111, second portion 121 and same pixel electrode 13, d1 ≠ d2, first 111 forms different pressure reduction with second portion 121 places from pixel electrode 13, produce stronger fringing field effect, thereby increase the deflection angle of liquid crystal molecule, expand visual angle.
Shown in Figure 15, for the 3rd embodiment of the present utility model, on array base palte, be provided with data line 11 (D1～D3) and the grid line 12 (G1～G3) of cross-distribution, and the pixel cell 17 that driven by same data line 11 and same grid line 12, each pixel cell 17 is respectively provided with the first electrode 131 and second electrode 132 of a bulk in the both sides up and down that share grid line 12, the first electrode 131 and the common pixel electrode 13 that forms pixel cell 17 of the second electrode 132, the first electrode 131 comprises with the second electrode 132 data lines 11 first 111 and the second portion 121 that live width is different, the spacing forming between d1Wei first 111 and the first electrode 131, d2 is the spacing forming between second portion 121 and the second electrode 132, d1 ≠ d2, and first 111 forms different pressure reduction with second portion 121 from pixel electrode 13, produces stronger fringing field effect, thereby increases the deflection angle of liquid crystal molecule, expands visual angle.
Similarly, second, third embodiment also exists similarly and is out of shape, and for example, d1 is greater than first threshold, and d2 is less than Second Threshold, and first threshold is more than or equal to Second Threshold (now d1 > d2)); Or, again for example, the second electrode 132 overlaids in second portion 121 and pixel electrode 13.
Finally need explanation, the block pixel electrode of take in the present embodiment describes as example, but in fact the shape of pixel electrode is not limited to this, for example also there is slit-shaped, pectinations etc. are irregularly shaped, for pixel electrode, it is erose situation, the spacing d forming between data line and pixel electrode, example d1 described above, d2, should under equal conditions measure, so just there is comparability, for example, can be at the first pixel electrode 13A, on the second pixel electrode 13B, choose point that the length of adjacent grid line is identical as measurement point separately, then measure the distance of data line, d1 ≠ d2 (or d1 > d2).
The present embodiment provides a kind of array base palte, data line on it is mutually connected and forms by the line segment of different live widths, make the pixel electrode pixel electrode of same pixel cell (or with) of data line and adjacent pixel unit form different pressure reduction, produce stronger fringing field effect, thereby increase the deflection angle of liquid crystal molecule, expand visual angle.
Embodiment 6
The utility model embodiment also provides a kind of display device, comprises any one array base palte in above-described embodiment.
According to the description of pair array substrate in above-described embodiment, knownly comprise that the display device of above-described embodiment array base palte has the advantage at wide visual angle, described display device can be: any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
For the ease of clearly demonstrating; in the utility model, adopted first, second printed words such as grade to carry out class discrimination to similar item; these first, second printed words quantitatively do not limit the utility model; be illustrating a kind of preferred mode; those skilled in the art are according to the disclosed content of the utility model, and apparent similar distortion or the related expanding expected all belong in protection domain of the present utility model.
Each embodiment in the utility model all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, each embodiment stresses is the difference with other embodiment.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (16)
1. an array base palte, comprising: data line arranged in a crossed manner and grid line, and the pixel cell that driven by same data line and same grid line, in described pixel cell, be provided with pixel electrode, and it is characterized in that,
At data line bearing of trend, the spacing forming between data line and the pixel electrode that driven by described data line is arranged to inconsistent value, thereby forms a plurality of farmland district.
2. array base palte according to claim 1, it is characterized in that, described pixel electrode at least comprises the first electrode and the second electrode, and the spacing forming between described the first electrode and described data line is d1, the spacing that described the second electrode and described data line form is d2, d1 ≠ d2.
3. array base palte according to claim 2, is characterized in that,
Described the first electrode is connected at neighboring edge with the second electrode; Or described the first electrode and the second electrode are separated from each other, but driven by same data line and same grid line.
4. array base palte according to claim 1, it is characterized in that, described pixel cell comprises two kinds of the first pixel cell and the second pixel cells, in described the first pixel cell, is provided with the first pixel electrode, in described the second pixel cell, is provided with the second pixel electrode;
The spacing forming between the data line of described the first pixel electrode and described the first pixel electrode of driving is d1, and the spacing forming between described the second pixel electrode and the data line of described the second pixel electrode of driving is d2, d1 ≠ d2.
5. array base palte according to claim 4, is characterized in that, described the first pixel cell, described the second pixel cell form two kinds of pixels in the following manner:
The first pixel comprises at least three the first pixel cells, and the second pixel comprises at least three the second pixel cells.
6. array base palte according to claim 2, is characterized in that, described pixel cell comprises two kinds of the first pixel cell and the second pixel cells,
In the first pixel cell, along in the direction parallel with data line, described the first electrode is positioned at the below of described the second electrode,
In the second pixel cell, along in the direction parallel with data line, described the first electrode is positioned at the top of described the second electrode; And,
Be arranged in described first electrode of same pixel cell and the driving that described the second electrode is subject to same data line and same grid line.
7. array base palte according to claim 6, is characterized in that, described the first pixel cell and described the second pixel cell form pixel in the following manner:
In the first pixel, at least comprise three described the first pixel cells, at least comprise three described the second pixel cells in the second pixel, described the first pixel and described the second pixel are spaced on array base palte; Or,
Described the first pixel cell and described the second pixel cell form pixel along grid line direction alternative arrangement, and this Pixel arrangement is on array base palte.
8. array base palte according to claim 1, is characterized in that,
Described data line is bending on bearing of trend, comprise: to the first of first direction bending with to the second portion of the opposite direction bending of first direction, the spacing forming between the pixel electrode that described first, described second portion and described data line drive is respectively d1 and d2, d1 ≠ d2.
9. array base palte according to claim 1, is characterized in that,
Described data line has different live widths on bearing of trend, comprising: the First that live width is different and second portion, the spacing forming between the pixel electrode that described first, described second portion and described data line drive is respectively d1 and d2, d1 ≠ d2.
10. array base palte according to claim 9, is characterized in that, described d1 is greater than first threshold, and described d2 is less than Second Threshold, and first threshold is more than or equal to Second Threshold.
Array base palte described in 9,10 any one 11. according to Claim 8,, it is characterized in that, described d1 is the spacing forming between described first and the first pixel electrode, described d2 is the spacing forming between described second portion and the second pixel electrode, and described the first pixel electrode and described the second pixel electrode are positioned at same row and adjacent.
12. array base paltes according to claim 11, is characterized in that, the region of the part correspondence that described first and described second portion are connected mutually between described the first pixel electrode and described the second pixel electrode.
13. array base paltes according to claim 11, is characterized in that,
Described second portion and described the second pixel electrode overlaid.
Array base palte 14. according to Claim 8, described in 9,10 any one, is characterized in that, described d1 and d2 are respectively the spacing forming between described first, described second portion and same described pixel electrode.
15. array base paltes according to claim 14, is characterized in that,
Described second portion and described pixel electrode overlaid.
16. 1 kinds of display device, is characterized in that, comprising: the array base palte described in claim 1-15 any one.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016110057A1 (en) * | 2015-01-08 | 2016-07-14 | 京东方科技集团股份有限公司 | Array substrate, display device, and driving method therefor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016110057A1 (en) * | 2015-01-08 | 2016-07-14 | 京东方科技集团股份有限公司 | Array substrate, display device, and driving method therefor |
| US9784997B2 (en) | 2015-01-08 | 2017-10-10 | Boe Technology Group Co., Ltd. | Array substrate, display device, and driving method therefor |
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