CN104181735A - Array substrate, display panel and display device - Google Patents
Array substrate, display panel and display device Download PDFInfo
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- CN104181735A CN104181735A CN201410355739.4A CN201410355739A CN104181735A CN 104181735 A CN104181735 A CN 104181735A CN 201410355739 A CN201410355739 A CN 201410355739A CN 104181735 A CN104181735 A CN 104181735A
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Abstract
The invention discloses an array substrate. The array substrate comprises multiple pixel units, wherein each pixel unit comprises a 2*2 sub-pixel area matrix; each 2*2 sub-pixel area matrix sequentially comprises a first sub-pixel area, a second sub-pixel area, a third sub-pixel area and a fourth sub-pixel area clockwise; each sub-pixel area comprises at least three sub-pixels; each sub-pixel comprises a strip-shaped electrode; the strip-shaped electrode in the first sub-pixel areas and the third sub-pixel areas are parallel with a first direction; the strip-shaped electrodes in the second sub-pixel areas and the fourth sub-pixel areas are parallel with a second direction; the first direction and the second direction are crossed, and an included angle formed by the first direction and the second direction is larger than 0 degree and smaller than or equal to 90 degrees. By the aid of the array substrate, a display panel and a display device, the problem of stripes can be solved, the wide viewing angle can be realized, and the display effect of the panel can be improved.
Description
Technical field
The present invention relates to display technique, particularly a kind of array base palte, and the display panel that comprises this array base palte, and the display device that comprises this display panel.
Background technology
Display panel has frivolous, the advantages such as low in energy consumption and low radiation, be widely used at present mobile phone, palm PC (Personal Digital Assistant, etc. PDA) in portable type electronic product, for example: Thin Film Transistor-LCD (Thin Film Transistor-Liquid Crystal Display, TFT-LCD), organic light emitting diode display (Organic Light Emitting Diode, OLED), low temperature polycrystalline silicon (Low Temperature Poly-silicon, LTPS) display and plasma scope (Plasma Display Panel, PDP) etc.Along with showing the flourish of science and technology, consumption is popular also more and more higher for the requirement of display image display quality.The requirement of popular visual angle (viewing angle), color saturation (color saturation), display effect and the price etc. to display of consumption also day by day improves.
In the liquid crystal indicator using at present, in order to overcome the little defect in liquid crystal indicator visual angle in prior art, a lot of companies all research and develop wide viewing angle technology, and plane inner switching type liquid crystal displaying apparatus is the one that wherein has much advantage.Conventionally, plane inner switching type liquid crystal displaying apparatus comprises the upper and lower substrate being oppositely arranged and is encapsulated in the liquid crystal layer between two substrates, is provided with gate line, data line, thin film transistor (TFT), pixel electrode and public electrode on infrabasal plate.Because pixel electrode and public electrode are arranged on same substrate, utilize the transverse electric field that is parallel to substrate producing between pixel electrode and public electrode that liquid crystal molecule is rotated in same plane, therefore plane inner switching type liquid crystal displaying apparatus has advantages of wide viewing angle, high-luminous-efficiency and high-contrast.
Conventionally, as shown in Figure 1, planar in switching type liquid crystal display device, in pixel electrode, have many strip shaped electric poles 1, if pixel electrode is arranged to the structure on pseudo-two farmlands, the inclination 102 of the vergence direction 101 of the strip shaped electric poles of the odd-numbered line of pixel electrode and the strip shaped electric poles of even number line is inconsistent, and the direction 103 of friction matching (rubbing) must overlap with the centre symmetry line of the vergence direction of strip shaped electric poles.And actual carry out friction matching in, the direction 103 of rubbing sometimes has certain deviation, or when polarizer sheet sticking, occur crooked, capital causes the polarization angle of odd-numbered line and even number line different, thereby cause that odd-numbered line and even number line brightness differ, thereby formation band, affects display effect.
Summary of the invention
The embodiment of the present invention provides a kind of array base palte, and the display panel that comprises this array base palte, and the display device that comprises this display panel.
In view of this, the embodiment of the present invention provides a kind of array base palte, it is characterized in that, comprise: multiple pixel cells, described pixel cell comprises 2 × 2 sub-pixel area matrixes, and described 2 × 2 sub-pixel area matrixes are followed successively by the first sub-pixel area, the second sub-pixel area, the 3rd sub-pixel area and the 4th sub-pixel area according to arranged clockwise;
Each described sub-pixel area comprises at least three sub-pixels;
Each described sub-pixel comprises strip shaped electric poles;
Described the first sub-pixel area is parallel with first direction with the described strip shaped electric poles in described the 3rd sub-pixel area;
Described the second sub-pixel area is parallel with second direction with the described strip shaped electric poles in described the 4th sub-pixel area;
Described first direction and second direction are intersected mutually, and the angle between described first direction and second direction is greater than 0 degree, and are less than or equal to 90 degree.
Preferably, described the first sub-pixel area is parallel with described first direction with the sub-pixel in described the 3rd sub-pixel area; Described the second sub-pixel area is parallel with described second direction with the sub-pixel in described the 4th sub-pixel area; The first area that described four sub-pixel area surround is parallelogram.
Preferably, in described four sub-pixel area, the length of each described sub-pixel equates.
Preferably, described four sub-pixel area include three sub-pixels that form 1 × 3 sub-pixel matrix, and described three sub-pixels are respectively red sub-pixel, green sub-pixels, blue subpixels.
Preferably, described the first sub-pixel area is identical with the color of the sub-pixel of same row in the 4th sub-pixel area, and the second sub-pixel area is identical with the color of the sub-pixel of same row in the 3rd sub-pixel area.
Preferably, described four sub-pixel area include four sub-pixels that form 1 × 4 sub-pixel matrix, and described four sub-pixels are respectively red sub-pixel, green sub-pixels, blue subpixels and white sub-pixels.
Preferably, described the first sub-pixel area is identical with the color of the sub-pixel of same row in the 4th sub-pixel area, and the second sub-pixel area is identical with the color of the sub-pixel of same row in the 3rd sub-pixel area.
The embodiment of the present invention provides a kind of display panel, comprises array base palte as above, second substrate and the liquid crystal layer between array base palte and second substrate; On described second substrate, comprise second area, the described first area on described second area and described first substrate is oppositely arranged; On described second area, be provided with black matrix.
Preferably, described black matrix is provided with insulated column in a side of described first substrate.
The embodiment of the present invention also provides a kind of display device, comprises display panel as above.
The array base palte, display panel and the display device that in the present embodiment, provide, in adjacent two row sub-pixels, the number of the sub-pixel of the same color tilting with second direction to first direction is respectively identical, if the direction generation deviation of friction, or when polarizer sheet sticking, occur crooked, the initial angle of the liquid crystal molecule of adjacent two row sub-pixel tops is identical, just there will not be the band phenomenon of the bright dark inequality of upper and lower two row; And can realize wide visual angle, improve the display effect of panel.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of the pixel electrode that provides of prior art;
Fig. 2 is a kind of structural representation of the pixel cell that provides of the embodiment of the present invention one;
Fig. 3 is the another kind of structural representation of the pixel cell that provides of the embodiment of the present invention one;
Fig. 4 is a kind of structural representation of the second substrate that provides of the embodiment of the present invention one;
Fig. 5 is the another kind of structural representation of the second substrate that provides of the embodiment of the present invention one;
Fig. 6 is the cut-open view of the liquid crystal indicator that provides of the embodiment of the present invention one;
Fig. 7 a is the structural representation of the sub-pixel that provides of the embodiment of the present invention one;
Fig. 7 b is the structural representation of the first sub-pixel area of providing of the embodiment of the present invention one;
Fig. 8 is a kind of structural representation of the pixel cell that provides of the embodiment of the present invention two;
Fig. 9 is the another kind of structural representation of the pixel cell that provides of the embodiment of the present invention two;
Figure 10 is a kind of structural representation of the second substrate that provides of the embodiment of the present invention two;
Figure 11 is the another kind of structural representation of the second substrate that provides of the embodiment of the present invention two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
The embodiment of the present invention provides a kind of array base palte, comprise: multiple pixel cells, as shown in Figure 2, Fig. 2 is a kind of structural representation of the pixel cell that provides of the embodiment of the present invention one, described pixel cell A1 comprises 2 × 2 sub-pixel area matrixes, and described 2 × 2 sub-pixel area matrixes are followed successively by the first sub-pixel area L1, the second sub-pixel area L2, the 3rd sub-pixel area L3 and the 4th sub-pixel area L4 according to arranged clockwise; Described the first sub-pixel area L1 and the 4th sub-pixel area L4 form first group of pixel region Z1, and described the second sub-pixel area L2 and the 3rd sub-pixel area L3 form second group of pixel region Z2; Each described sub-pixel area comprises at least three sub-pixels.
Each described sub-pixel comprises strip shaped electric poles 1, and described the first sub-pixel area L1 is parallel with first direction 1 ' with the described strip shaped electric poles in described the 3rd sub-pixel area L3; Described the second sub-pixel area L2 is parallel with second direction 2 ' with the described strip shaped electric poles in described the 4th sub-pixel area L4; Described first direction 1 ' and second direction 2 ' are intersected mutually, and the angle between described first direction 1 ' and second direction 2 ' has two, and one is acute angle, and another is obtuse angle, and described acute angle is greater than 0 degree and is less than or equal to 90 degree.
As can be seen from Figure 2, the first sub-pixel area L1 is parallel with described first direction 1 ' with the sub-pixel in described the 3rd sub-pixel area L3; Described the second sub-pixel area L2 is parallel with described second direction 2 ' with the sub-pixel in described the 4th sub-pixel area L4; Be that in each sub-pixel, not only strip shaped electric poles tilts, whole sub-pixel namely tilts, and sub-pixel is identical with the vergence direction of strip shaped electric poles.The length L of each described sub-pixel in described four sub-pixel area ' equate, the width W ' of each sub-pixel also equates.
As can be seen from Figure 2, horizontally disposed x axle is mutually vertical with the y axle vertically arranging, and the strip shaped electric poles in the strip shaped electric poles in described the first sub-pixel area L1 in sub-pixel and the 4th sub-pixel area L4 in sub-pixel is about x rotational symmetry; Strip shaped electric poles in strip shaped electric poles in described the second sub-pixel area L2 in sub-pixel and the 3rd sub-pixel area L3 in sub-pixel is about x rotational symmetry; Strip shaped electric poles in strip shaped electric poles in described first group of pixel region Z1 in sub-pixel and second group of pixel region Z2 sub-pixel is about y rotational symmetry.Described strip shaped electric poles can be pixel electrode, can be also public electrode, and the electrode shown in Fig. 2 is pixel electrode.
As shown in Figure 2, the region that described four sub-pixel area surround is first area 2, and described first area 2 is parallelogram.
In the present invention, described four sub-pixel area include three sub-pixels that form 1 × 3 sub-pixel matrix, be that described four sub-pixel area comprise respectively three sub-pixels, described four sub-pixel area include 1 × 3 sub-pixel matrix, and namely the first sub-pixel area L1, the second sub-pixel area L2, the 3rd sub-pixel area L3 and the 4th sub-pixel area L4 comprise respectively the sub-pixel that a line three is listed as.Every row sub-pixel in described first group of pixel region Z1 in three row sub-pixels forms epaulet shape structure, and the every row sub-pixel in described second group of pixel region Z2 in three row sub-pixels forms epaulet shape structure; Pixel in described first group of pixel region Z1 and second group of pixel region Z2 is the structure on pseudo-two farmlands, and first group of pixel region Z1 is different with the overbending direction of the pixel in second group of pixel region Z2.Fig. 2 is an embodiment of the present embodiment, the embodiment of the present embodiment can also be as shown in Figure 3, and bending to different directions of the pixel in first group of pixel region Z1 and second group of pixel region Z2, but four sub-pixel area can not surround a parallelogram.
Described the first sub-pixel area L1 is identical with the color of same row sub-pixel in the 4th sub-pixel area L4, and the second sub-pixel area L2 is identical with the color of same row sub-pixel in the 3rd sub-pixel area L3.Three sub-pixels in described four sub-pixel area are respectively red sub-pixel (R), green sub-pixels (G), blue subpixels (B).And in pixel cell of the present invention, in the first row sub-pixel, the red sub-pixel (R), green sub-pixels (G), the blue subpixels (B) that tilt to first direction are identical with the number of the red sub-pixel (R) tilting to second direction, green sub-pixels (G), blue subpixels (B) respectively; In the second row sub-pixel, the red sub-pixel (R), green sub-pixels (G), the blue subpixels (B) that tilt to first direction are identical with the number of the red sub-pixel (R) tilting to second direction, green sub-pixels (G), blue subpixels (B) respectively.
Wherein, the arrangement mode of R, G, B has multiple, and R, G, B can combination in any arrange; And the first sub-pixel area L1 is identical with the arrangement mode of RGB in the 4th sub-pixel area L4, the second sub-pixel area L2 is identical with the arrangement mode of RGB in the 3rd sub-pixel area L3, and the first sub-pixel area L1 and the 4th sub-pixel area L4 can be identical with the arrangement mode of the RGB of the second sub-pixel area L2 and the 3rd sub-pixel area L3; As shown in Figure 4, the arrangement mode of the first sub-pixel area L1 and RGB in the 4th sub-pixel area L4 is identical with the arrangement mode in the second sub-pixel area L2 and the 3rd sub-pixel area L3, is RGB; The first sub-pixel area L1 and the 4th sub-pixel area L4 also can be different from the arrangement mode of the RGB of the second sub-pixel area L2 and the 3rd sub-pixel area L3, as shown in Figure 5, in the first sub-pixel area L1 and the 4th sub-pixel area L4, the arrangement mode of sub-pixel is BGR, and in the second sub-pixel area L2 and the 3rd sub-pixel area L3, the arrangement mode of sub-pixel is RGB.
As shown in Figure 2, described pixel cell comprises and is arranged in order clockwise the first sub-pixel P1, the second sub-pixel P2, the 3rd sub-pixel P3, the 4th sub-pixel P4, the 5th sub-pixel P5, the 6th sub-pixel P6, the 7th sub-pixel P7, the 8th sub-pixel P8, the 9th sub-pixel P9, the tenth sub-pixel P10, the 11 sub-pixel P11 and the 12 sub-pixel P12.
In the present embodiment, described pixel cell comprises: 12 thin film transistor (TFT)s, be arranged at respectively in each described sub-pixel, and in each sub-pixel, there is a thin film transistor (TFT), each thin film transistor (TFT) comprises source electrode and drain electrode.As can be seen from Figure 2, these 12 thin film transistor (TFT)s are T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, and are arranged at respectively in each described sub-pixel.
Described pixel cell also comprises two gate lines and six data lines, and as shown in Figure 2, described gate line is to arrange along the direction of x axle, and described data line is to arrange along the direction of y axle; This pixel cell comprises two row gate lines, respectively first grid polar curve G1, second gate line G2, described pixel cell comprises six data lines on vertical direction, comprise tactic the first data line D1, the second data line D2, the 3rd data line D3, the 4th data line D4, the 5th data line D5, the 6th data line D6, described gate line and data line are electrically connected with described thin film transistor (TFT) respectively.
Described first grid polar curve G1 is electrically connected with described the first sub-pixel P1, the second sub-pixel P2, the 3rd sub-pixel P3, the 4th sub-pixel P4, the 5th sub-pixel P5, the 6th sub-pixel P6; Described second gate line G2 is electrically connected with the 7th sub-pixel P7, the 8th sub-pixel P8, the 9th sub-pixel P9, the tenth sub-pixel P10, the 11 sub-pixel P11, the 12 sub-pixel P12.
Described data line is electrically connected with the sub-pixel of same row, and described the first data line D1 is electrically connected with the first sub-pixel P1, the 12 sub-pixel P12; Described the second data line D2 is electrically connected with the second sub-pixel P2, the 11 sub-pixel P11, described the 3rd data line D3 is electrically connected with the 3rd sub-pixel P3, the tenth sub-pixel P10, described the 4th data line D4 is electrically connected with the 4th sub-pixel P4, the 9th sub-pixel P9, described the 5th data line D5 is electrically connected with the 5th sub-pixel P5, the 8th sub-pixel P8, and described the 6th data line D6 is electrically connected with the 6th sub-pixel P6, the 7th sub-pixel P7.
In the present invention, not only strip shaped electric poles tilts, and whole sub-pixel namely tilts, and sub-pixel is identical with the vergence direction of strip shaped electric poles, and in this pixel cell, data line is also fold-line-shaped.
The invention provides a kind of display panel, comprising: first substrate, second substrate and the liquid crystal layer between first substrate and second substrate, wherein, described first substrate comprises array base palte as above.As shown in Figure 6, Fig. 6 is the cut-open view of the liquid crystal indicator that provides of the embodiment of the present invention one, as can be seen from Figure 6, first substrate 11 is oppositely arranged with second substrate 12, liquid crystal molecule 13 and sealed plastic box 14, between first substrate 11 and second substrate 12, comprise multiple pixel cell A1 on described first substrate 11, structure on second substrate 12 as shown in Figure 5, second substrate 12 comprises multiple color blockings unit A2, this color blocking unit A2 is corresponding with the position of the pixel cell A1 on first substrate 11, in this color blocking unit A2 with first substrate 11 on the first sub-pixel area L1, the second sub-pixel area L2, the 3rd sub-pixel area L3, the 4th sub-pixel area L4 is relatively set with four Ge Zi color blocking districts, this four Ge Zi color blocking district is respectively the first sub-color blocking district C1, the second sub-color blocking district C2, the 3rd sub-color blocking district C3, the 4th sub-color blocking district C4, in described four Ge Zi color blocking districts, comprise respectively tri-color blockings of RGB, the region that described four Ge Zi color blocking districts surround is second area 4, second area 4 is oppositely arranged with first area 2, in this color blocking unit A2, the region division outside RGB color blocking has black matrix (BM) 3, and the described black matrix 3 on described second area 4 is provided with insulated column 5 in a side of described first substrate 11, as shown in Figure 6, between first substrate 11 and second substrate 12, be provided with insulated column 5.On described first substrate and second substrate, be provided with alignment film, adopt the method for friction to carry out orientation to described alignment film, the direction of described friction is the angular bisector of described first direction and second direction.As can be seen from Figure 6, frictional direction 3 ' is the angular bisector of first direction 1 ' and second direction 2 ', in the adjacent two row sub-pixels of this pixel cell, if the direction generation deviation of friction, or when polarizer sheet sticking, occur crooked, can there is certain deflection in the initial angle of the liquid crystal molecule of top, sub-pixel area, because the vergence direction of RGB is identical with the vergence direction of the RGB in the 3rd sub-pixel area respectively in the first sub-pixel area, so the initial angle of the liquid crystal molecule of the 3rd top, sub-pixel area is identical with the initial angle of the liquid crystal molecule of the first top, sub-pixel area, in the second sub-pixel area, the vergence direction of RGB is identical with the vergence direction of the RGB in the 4th sub-pixel area respectively, and the initial angle of the liquid crystal molecule of the second top, sub-pixel area is identical with the initial angle of the liquid crystal molecule of the 4th top, sub-pixel area, panel is in showing like this, due to the deviation of initial angle, on panel, the position of corresponding different subpixel there will be bright or dark phenomenon, panel brightens or be dimmed in showing is relevant with the initial angle of liquid crystal molecule, and this dot structure design in the present invention, in dot structure as shown in Figure 6, in terms of overall, the initial angle of the first row sub-pixel top liquid crystal molecule is identical with the initial angle of the second row sub-pixel top liquid crystal molecule, thereby there will not be, due to the direction generation deviation of friction, or when polarizer sheet sticking, occur crooked, and cause the initial angle of liquid crystal molecule above the first row sub-pixel different from the initial angle of the second row sub-pixel top liquid crystal molecule, the first row is bright, and the second row is dark, or the first row is dark, the second row is bright, causes the bright dark inequality of upper and lower two row and the band phenomenon that occurs.
In the present invention, in sub-pixel, comprise strip shaped electric poles, sub-pixel comprises at least one slit (slit), supposing has n slit in each sub-pixel, the live width of slit is A, the live width of strip shaped electric poles is B, suppose that slit is C to necessity distance of pixel edge, wherein C >=2, the width of whole sub-pixel is L, if the width of sub-pixel is just 2C+nA+ (n+1) B (top com structure), or when 2C+nA+ (n-1) B (mid com structure), the distribution of its slit live width line-spacing is the most rational.Fig. 7 a is the structural representation of the sub-pixel that provides in the embodiment of the present invention one, from Fig. 7 a, can find out, sub-pixel is obliquely installed, so the live width B of the live width L of sub-pixel, the live width A of slit and strip shaped electric poles will be to determine with the perpendicular direction of slit 6, slit 6 parallels with first direction 1 ', the first straight line 7 is perpendicular with first direction 1 ', so the live width A of the live width L of sub-pixel, slit and the live width B of strip shaped electric poles are the width in the first straight line 7 directions.
Conventionally in the time carrying out dot structure design, due to the restriction of technological ability, the live width of pixel slit slit and line-spacing are all size restrictions, and generally, the width of strip shaped electric poles and slit and pixel meets L=2C+nA+ (n-1) B or L=2C+nA+ (n+1) B; If the width of pixel is larger than 2C+nA+ (n+1) B or 2C+nA+ (n-1) B slightly, but be not enough to put down one group of new slit slit and strip shaped electric poles, slit distribution is just no longer reasonable so, namely in the time that the width L of sub-pixel is greater than 2C+nA+ (n-1) B and is less than 2C+ (n+1) A+nB, or when L is greater than 2C+nA+ (n+1) B and is less than 2C+ (n+1) A+ (n+2) B, conventionally slit live width can be widened or slit line-spacing is widened; If but run into the specific pixel of part, such as the pixel of 5.5 cun of 720 × 1280 resolution, simply slit live width widened or slit line-spacing widened, just there will be serious black farmland, thus cause aperture opening ratio rise but transmitance does not obtain the situation of corresponding rising.
In dot structure design of the present invention, slit live width is not widened, or slit line-spacing is widened, but pixel electrode is still designed according to the relation of L=2C+nA+ (n-1) B or L=2C+nA+ (n+1) B, compared with prior art that sub-pixel is compressed, and each sub-pixel compresses rear additional part region, the first area of namely mentioning in the present invention, described first area is corresponding to the second area on second substrate, second area is used for arranging black matrix B M, and insulated column can be arranged on to second area, and if insulated column is set at second area, needing to adopt at least 3 sub-pixels to compress, the region out of compressing like this could enough be used for arranging insulated column, in the prior art, when insulated column is set, it is very large that BM will do, and will reduce like this aperture opening ratio of panel conventionally, and then affect the display effect of panel.And in the present invention, insulated column is arranged on to second area, and can not reduce the aperture opening ratio of panel, can also improve the display effect of panel.
In the present invention, in described four sub-pixel area, comprise respectively 3 sub-pixels, each sub-pixel comprises at least one slit 6 and a strip shaped electric poles 1, strip shaped electric poles 1 is parallel to first direction 1', and each sub-pixel comprises four edges, wherein two limits are parallel with x direction of principal axis, two other limit is parallel with first direction 1', as shown in Figure 7b, there are orthogonal x axle and y axle, x axle is horizontal direction, y axle is vertical direction, this sub-pixel area is a rectangle, from Fig. 7 b, can find out, four summits of this rectangle are A ', B ', C ', D ', in this rectangle A ' B ' C ' D ', line segment A ' B ' and C ' D ' parallel with y axle, line segment A ' D ' and B ' C ' parallel with x axle, the length of this rectangle is line segment A ' B ' and C ' D ', the length of line segment A ' B ' is the live width P of described sub-pixel area, the straight line perpendicular with first direction 1' is the first straight line 7, the first straight line 7 is through the summit A' of this sub-pixel area, with the limit B ' C ' of this sub-pixel area E ' that intersects at a point, line segment A ' E ' is θ with the angle of line segment A ' B ', the length of line segment A ' E ' is P ', and the relation between P ' and P is P '=P (θ)=P/cos (θ).
With reference to figure 2, as mentioned above, first area 2 is identical with the size of second area 4, so the size of BM can be weighed by the size of first area 2 in second area 4; Because sub-pixel is obliquely installed in this sub-pixel area, so the live width of sub-pixel and the live width of BM will be to determine with the perpendicular direction of slit 6, so the live width of sub-pixel and the live width of BM are all the width in the first straight line 7 directions.BM all will be set between adjacent subpixels, from Fig. 7 b, can find out, the live width of described sub-pixel is L, the width of black matrix B M between adjacent two sub-pixels is M, in described second area, the width of BM is d, and d=d '+d ", and the width of BM in second area comprises the BM between the adjacent sub-pixel in left and right, thereby the width that is second area by the part width that is available of compression sub-pixel in the present invention deducts the width of the BM arranging between two adjacent subpixels, can from Fig. 7 b, find out, d ' comprises two parts width, part width is the width M of the BM between adjacent two sub-pixels, part width is a part of width in the region that is available of compression sub-pixel, thereby the width in the region that is available of three sub-pixels of actual compression is d-M, and the width that three sub-pixels compress the region being available refers to and is not enough to put down three groups of new slit live widths and the live width of strip shaped electric poles, 0 < d-M < 3 (A+B), actual carry out panel designs in, due to the restriction of technological ability, the size of the width M of the black matrix B M between adjacent two sub-pixels is greater than and equals 5 μ m, and is less than or equal to 6 μ m.
In sum, and in conjunction with Fig. 7 a, P, P ', L, M, d meet following relational expression:
P’＝P(θ)＝3L+2M+d，
Wherein d=d '+d ", 5 μ m≤M≤6 μ m;
And L=2C+nA+ (n-1) B or L=2C+nA+ (n+1) B;
Can draw the relational expression between the width B of strip shaped electric poles and the width A of slit in the width P of sub-pixel area and sub-pixel, as follows:
P(θ)＝3[2C+nA+(n-1)B]+2M+d，
Wherein A > 0, B > 0, C >=2,5 μ m≤M≤6 μ m, 0 < d-M < 3 (A+B);
Or P (θ)=3[2C+nA+ (n+1) B]+2M+d,
Wherein A > 0, B > 0, C >=2,5 μ m≤M≤6 μ m, 0 < d-M < 3 (A+B);
Adopt said method to compress pixel, in the situation that can not reducing panel aperture opening ratio, can also realize wide visual angle, improve the display effect of panel.
The embodiment of the present invention also provides a kind of display device, comprises display panel as above.
The array base palte, display panel and the display device that in the present embodiment, provide, can solve band problem, and can realize wide visual angle, improves the display effect of panel.
Embodiment bis-
The embodiment of the present invention provides a kind of array base palte, comprise: multiple pixel cells, as shown in Figure 8, Fig. 8 is a kind of structural representation of the pixel cell that provides of the embodiment of the present invention two, described pixel cell A1 comprises 2 × 2 sub-pixel area matrixes, and described 2 × 2 sub-pixel area matrixes are followed successively by the first sub-pixel area L1, the second sub-pixel area L2, the 3rd sub-pixel area L3 and the 4th sub-pixel area L4 according to arranged clockwise; Described the first sub-pixel area L1 and the 4th sub-pixel area L4 form first group of pixel region Z1, and described the second sub-pixel area L2 and the 3rd sub-pixel area L3 form second group of pixel region Z2; Each described sub-pixel area comprises four sub-pixels.
Each described sub-pixel comprises strip shaped electric poles 1 and slit (slit) 6, and described the first sub-pixel area L1 is parallel with first direction 1 ' with the described strip shaped electric poles in described the 3rd sub-pixel area L3; Described the second sub-pixel area L2 is parallel with second direction 2 ' with the described strip shaped electric poles in described the 4th sub-pixel area L4; Described first direction 1 ' and second direction 2 ' are intersected mutually, and the angle between described first direction 1 ' and second direction 2 ' has two, and one is acute angle, and another is obtuse angle, and described acute angle is greater than 0 degree and is less than or equal to 90 degree.
As can be seen from Figure 8, the first sub-pixel area L1 is parallel with described first direction 1 ' with the sub-pixel in described the 3rd sub-pixel area L3; Described the second sub-pixel area L2 is parallel with described second direction 2 ' with the sub-pixel in described the 4th sub-pixel area L4; Be that in each sub-pixel, not only strip shaped electric poles tilts, whole sub-pixel namely tilts, and sub-pixel is identical with the vergence direction of strip shaped electric poles.The length L of each described sub-pixel in described four sub-pixel area ' equate, the width W ' of each sub-pixel also equates.
As can be seen from Figure 8, horizontally disposed x axle is mutually vertical with the y axle vertically arranging, and the strip shaped electric poles in the strip shaped electric poles in described the first sub-pixel area L1 in sub-pixel and the 4th sub-pixel area L4 in sub-pixel is about x rotational symmetry; Strip shaped electric poles in strip shaped electric poles in described the second sub-pixel area L2 in sub-pixel and the 3rd sub-pixel area L3 in sub-pixel is about x rotational symmetry; Strip shaped electric poles in strip shaped electric poles in described first group of pixel region Z1 in sub-pixel and second group of pixel region Z2 sub-pixel is about y rotational symmetry.Described strip shaped electric poles can be pixel electrode, can be also public electrode, and the electrode shown in Fig. 8 is pixel electrode.
As shown in Figure 8, the region that described four sub-pixel area surround is first area 2, and described first area 2 is parallelogram.
In the present invention, described four sub-pixel area include four sub-pixels that form 1 × 4 sub-pixel matrix, be that described four sub-pixel area comprise respectively four sub-pixels, described four sub-pixel area include 1 × 4 sub-pixel matrix, and namely the first sub-pixel area L1, the second sub-pixel area L2, the 3rd sub-pixel area L3 and the 4th sub-pixel area L4 comprise respectively the sub-pixel that a line four is listed as.Every row sub-pixel in described first group of pixel region Z1 in four row sub-pixels forms epaulet shape structure, and the every row sub-pixel in described second group of pixel region Z2 in four row sub-pixels forms epaulet shape structure; Pixel in described first group of pixel region Z1 and second group of pixel region Z2 is the structure on pseudo-two farmlands, and first group of pixel region Z1 is different with the overbending direction of the pixel in second group of pixel region Z2.Fig. 8 is an embodiment of the present embodiment, the embodiment of the present embodiment can also be as shown in Figure 9, and bending to different directions of the pixel in first group of pixel region Z1 and second group of pixel region Z2, but four sub-pixel area can not surround a parallelogram.
Described the first sub-pixel area L1 is identical with the color of same row sub-pixel in the 4th sub-pixel area L4, and the second sub-pixel area L2 is identical with the color of same row sub-pixel in the 3rd sub-pixel area L3.Four sub-pixels in described four sub-pixel area are respectively red sub-pixel (R), green sub-pixels (G), blue subpixels (B) and white sub-pixels (W).And in pixel cell of the present invention, in the first row sub-pixel, the red sub-pixel (R), green sub-pixels (G), the blue subpixels (B) that tilt to first direction are identical with the number of the red sub-pixel (R) tilting to second direction, green sub-pixels (G), blue subpixels (B) respectively; In the second row sub-pixel, the red sub-pixel (R), green sub-pixels (G), the blue subpixels (B) that tilt to first direction are identical with the number of the red sub-pixel (R) tilting to second direction, green sub-pixels (G), blue subpixels (B) respectively.
Wherein, the arrangement mode of R, G, B, W has multiple, and R, G, B, W can combination in any arrange; And the first sub-pixel area L1 is identical with the arrangement mode of RGBW in the 4th sub-pixel area L4, the second sub-pixel area L2 is identical with the arrangement mode of RGBW in the 3rd sub-pixel area L3, and the first sub-pixel area L1 and the 4th sub-pixel area L4 can be identical with the arrangement mode of the RGBW of the second sub-pixel area L2 and the 3rd sub-pixel area L3; As shown in figure 10, the arrangement mode of the first sub-pixel area L1 and RGBW in the 4th sub-pixel area L4 is identical with the arrangement mode in the second sub-pixel area L2 and the 3rd sub-pixel area L3, is RGBW; The first sub-pixel area L1 and the 4th sub-pixel area L4 also can be different from the arrangement mode of the RGBW of the second sub-pixel area L2 and the 3rd sub-pixel area L3, as shown in figure 11, in the first sub-pixel area L1 and the 4th sub-pixel area L4, the arrangement mode of sub-pixel is BGRW, and in the second sub-pixel area L2 and the 3rd sub-pixel area L3, the arrangement mode of sub-pixel is RGBW.
As shown in Figure 8, described pixel cell A1 comprises and is arranged in order clockwise the first sub-pixel P1, the second sub-pixel P2, the 3rd sub-pixel P3, the 4th sub-pixel P4, the 5th sub-pixel P5, the 6th sub-pixel P6, the 7th sub-pixel P7, the 8th sub-pixel P8, the 9th sub-pixel P9, the tenth sub-pixel P10, the 11 sub-pixel P11, the 12 sub-pixel P12, the 13 sub-pixel P13, the 14 sub-pixel P4, the 15 sub-pixel P15, the 16 sub-pixel P16.
In the present embodiment, described pixel cell comprises: 16 thin film transistor (TFT)s, be arranged at respectively in each described sub-pixel, and in each sub-pixel, there is a thin film transistor (TFT), each thin film transistor (TFT) comprises source electrode and drain electrode.As can be seen from Figure 8, these 16 thin film transistor (TFT)s are T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, and are arranged at respectively in each described sub-pixel.
Described pixel cell also comprises two gate lines and eight data lines, and as shown in Figure 8, described gate line is to arrange along the direction of x axle, and described data line is to arrange along the direction of y axle; This pixel cell comprises two row gate lines, respectively first grid polar curve G1, second gate line G2, described pixel cell comprises eight data lines on vertical direction, comprise tactic the first data line D1, the second data line D2, the 3rd data line D3, the 4th data line D4, the 5th data line D5, the 6th data line D6, the 7th data line D7, the 8th data line D8, described gate line and data line are electrically connected with described thin film transistor (TFT) respectively.
Described first grid polar curve G1 is electrically connected with described the first sub-pixel P1, the second sub-pixel P2, the 3rd sub-pixel P3, the 4th sub-pixel P4, the 5th sub-pixel P5, the 6th sub-pixel P6, the 7th sub-pixel P7, the 8th sub-pixel P8; Described second gate line G2 is electrically connected with the 9th sub-pixel P9, the tenth sub-pixel P10, the 11 sub-pixel P11, the 12 sub-pixel P12, the 13 sub-pixel P13, the 14 sub-pixel P14, the 15 sub-pixel P15, the 16 sub-pixel P16.
Described data line is electrically connected with the sub-pixel of same row, and described the first data line D1 is electrically connected with the first sub-pixel P1, the 16 sub-pixel P16, described the second data line D2 and the second sub-pixel P2, the 15 sub-pixel P15, described the 3rd data line D3 and the 3rd sub-pixel P3, the 14 sub-pixel P14 electrical connection, described the 4th data line D4 and the 4th sub-pixel P4, the 13 sub-pixel P13, described the 5th data line D5 and the 5th sub-pixel P5, the 12 sub-pixel P12, described the 6th data line D6 and the 6th sub-pixel P6, the 11 sub-pixel P11 electrical connection, described the 7th data line D7 and the 7th sub-pixel P7, the tenth sub-pixel P10 electrical connection, described the 8th data line D8 and the 8th sub-pixel P8, the 9th sub-pixel P9 electrical connection.
In the present invention, not only strip shaped electric poles tilts, and whole sub-pixel namely tilts, and sub-pixel is identical with the vergence direction of strip shaped electric poles, and in this pixel cell, data line is also fold-line-shaped.
The invention provides a kind of display panel, comprising: first substrate, second substrate and the liquid crystal layer between first substrate and second substrate, wherein, described first substrate comprises array base palte as above.The cut-open view of the liquid crystal indicator that the embodiment of the present invention two provides can be with reference to figure 6, as can be seen from Figure 6, first substrate 11 is oppositely arranged with second substrate 12, liquid crystal molecule 13 and sealed plastic box 14, between first substrate 11 and second substrate 12, comprise multiple pixel cell A1 on described first substrate 11, structure on second substrate 12 as shown in figure 10, second substrate 12 comprises multiple color blockings unit A2, this color blocking unit A2 is corresponding with the position of the pixel cell A1 on first substrate 11, in this color blocking unit A2 with first substrate 11 on the first sub-pixel area L1, the second sub-pixel area L2, the 3rd sub-pixel area L3, the 4th sub-pixel area L4 is relatively set with four Ge Zi color blocking districts, this four Ge Zi color blocking district is respectively the first sub-color blocking district C1, the second sub-color blocking district C2, the 3rd sub-color blocking district C3, the 4th sub-color blocking district C4, in described four Ge Zi color blocking districts, comprise respectively tetra-color blockings of RGBW, the region that described four Ge Zi color blocking districts surround is second area 4, second area 4 is oppositely arranged with first area 2, in this color blocking unit A2, the region division outside RGBW color blocking has black matrix (BM) 3, and the described black matrix 3 on described second area 4 is provided with insulated column 5 in a side of described first substrate 11, as shown in Figure 6, between first substrate 11 and second substrate 12, be provided with insulated column 5.On described first substrate and second substrate, be provided with alignment film, adopt the method for friction to carry out orientation to described alignment film, the direction of described friction is the angular bisector of described first direction and second direction.As can be seen from Figure 8, frictional direction 3 ' is the angular bisector of first direction 1 ' and second direction 2 ', in the adjacent two row sub-pixels of this pixel cell, if the direction generation deviation of friction, or when polarizer sheet sticking, occur crooked, can there is certain deflection in the initial angle of the liquid crystal molecule of top, sub-pixel area, because the vergence direction of RGB is identical with the vergence direction of the RGB in the 3rd sub-pixel area respectively in the first sub-pixel area, so the initial angle of the liquid crystal molecule of the 3rd top, sub-pixel area is identical with the initial angle of the liquid crystal molecule of the first top, sub-pixel area, in the second sub-pixel area, the vergence direction of RGB is identical with the vergence direction of the RGB in the 4th sub-pixel area respectively, and the initial angle of the liquid crystal molecule of the second top, sub-pixel area is identical with the initial angle of the liquid crystal molecule of the 4th top, sub-pixel area, panel is in showing like this, due to the deviation of initial angle, on panel, the position of corresponding different subpixel there will be bright or dark phenomenon, panel brightens or be dimmed in showing is relevant with the initial angle of liquid crystal molecule, and this dot structure design in the present invention, in dot structure as shown in Figure 8, in terms of overall, the initial angle of the first row sub-pixel top liquid crystal molecule is identical with the initial angle of the second row sub-pixel top liquid crystal molecule, thereby there will not be, due to the direction generation deviation of friction, or when polarizer sheet sticking, occur crooked, and cause the initial angle of liquid crystal molecule above the first row sub-pixel different from the initial angle of the second row sub-pixel top liquid crystal molecule, the first row is bright, and the second row is dark, or the first row is dark, the second row is bright, causes the bright dark inequality of upper and lower two row and the band phenomenon that occurs.
In the present invention, embodiment bis-is with the difference of embodiment mono-, in the embodiment of the present invention two, that four sub-pixels are compressed, in embodiment bis-, a sub-pixel area comprises four sub-pixels, thereby the width of the BM arranging between these four sub-pixel area comes to 3M, between four sub-pixel area, the width of sub-pixel comes to 4L; Can find out with reference to figure 7b, d ' comprises two parts width, part width is the width M of the BM between adjacent two sub-pixels, part width is a part of width in the region that is available of compression sub-pixel, thereby the width in the region that is available of four sub-pixels of actual compression is d-M, and the width that four sub-pixels compress the region being available refers to and is not enough to put down four groups of new slit live widths and the live width of strip shaped electric poles, 0 < d-M < 4 (A+B).
In sum, and in conjunction with Fig. 7 a, P, P ', L, M, d meet following relational expression:
P’＝P(θ)＝4L+3M+d，
Wherein d=d '+d ", 5 μ m≤M≤6 μ m;
And L=2C+nA+ (n-1) B or L=2C+nA+ (n+1) B;
Can draw the relational expression between the width B of strip shaped electric poles and the width A of slit in the width P of sub-pixel area and sub-pixel, as follows:
P(θ)＝4[2C+nA+(n-1)B]+3M+d，
Wherein A > 0, B > 0, C >=2,5 μ m≤M≤6 μ m, 0 < d-M < 4 (A+B);
Or P (θ)=4[2C+nA+ (n+1) B]+3M+d,
Wherein A > 0, B > 0, C >=2,5 μ m≤M≤6 μ m, 0 < d-M < 4 (A+B);
Adopt said method to compress pixel, in the situation that can not reducing panel aperture opening ratio, can also realize wide visual angle, improve the display effect of panel.
The embodiment of the present invention also provides a kind of display device, comprises display panel as above.
The array base palte, display panel and the display device that in the present embodiment, provide, can solve band problem, and can realize wide visual angle, improves the display effect of panel.
The array base palte above embodiment of the present invention being provided, with the display panel that comprises this array base palte, and the display device that comprises this display panel is described in detail, applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (10)
1. an array base palte, it is characterized in that, comprise: multiple pixel cells, described pixel cell comprises 2 × 2 sub-pixel area matrixes, described 2 × 2 sub-pixel area matrixes are followed successively by the first sub-pixel area, the second sub-pixel area, the 3rd sub-pixel area and the 4th sub-pixel area according to arranged clockwise;
Each described sub-pixel area comprises at least three sub-pixels;
Each described sub-pixel comprises strip shaped electric poles;
Described the first sub-pixel area is parallel with first direction with the described strip shaped electric poles in described the 3rd sub-pixel area;
Described the second sub-pixel area is parallel with second direction with the described strip shaped electric poles in described the 4th sub-pixel area;
Described first direction and second direction are intersected mutually, and the angle between described first direction and second direction is greater than 0 degree, and are less than or equal to 90 degree.
2. array base palte according to claim 1, is characterized in that, described the first sub-pixel area is parallel with described first direction with the sub-pixel in described the 3rd sub-pixel area;
Described the second sub-pixel area is parallel with described second direction with the sub-pixel in described the 4th sub-pixel area;
The first area that described four sub-pixel area surround is parallelogram.
3. array base palte according to claim 2, is characterized in that, in described four sub-pixel area, the length of each described sub-pixel equates.
4. array base palte according to claim 1, is characterized in that, described four sub-pixel area include three sub-pixels that form 1 × 3 sub-pixel matrix, and described three sub-pixels are respectively red sub-pixel, green sub-pixels, blue subpixels.
5. array base palte according to claim 4, is characterized in that, described the first sub-pixel area is identical with the color of same row sub-pixel in the 4th sub-pixel area, and the second sub-pixel area is identical with the color of same row sub-pixel in the 3rd sub-pixel area.
6. array base palte according to claim 1, it is characterized in that, described four sub-pixel area include four sub-pixels that form 1 × 4 sub-pixel matrix, and described four sub-pixels are respectively red sub-pixel, green sub-pixels, blue subpixels and white sub-pixels.
7. array base palte according to claim 6, is characterized in that, described the first sub-pixel area is identical with the color of same row sub-pixel in the 4th sub-pixel area, and the second sub-pixel area is identical with the color of same row sub-pixel in the 3rd sub-pixel area.
8. a display panel, comprising: array base palte, second substrate and the liquid crystal molecule between array base palte and second substrate as described in claim 1-7 any one; On described second substrate, comprise second area, the described first area on described second area and described first substrate is oppositely arranged; On described second area, be provided with black matrix.
9. display panel according to claim 8, is characterized in that, described black matrix is provided with insulated column in a side of described first substrate.
10. a display device, is characterized in that, comprises the display panel as described in claim 8-9 any one.
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