CN105467700B - Display panel - Google Patents

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Publication number
CN105467700B
CN105467700B CN201410461426.7A CN201410461426A CN105467700B CN 105467700 B CN105467700 B CN 105467700B CN 201410461426 A CN201410461426 A CN 201410461426A CN 105467700 B CN105467700 B CN 105467700B
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CN
China
Prior art keywords
pixel electrode
data line
branch electrodes
pixel
sub
Prior art date
Application number
CN201410461426.7A
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Chinese (zh)
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CN105467700A (en
Inventor
吕建民
钟岳庭
江明佑
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群创光电股份有限公司
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Publication of CN105467700A publication Critical patent/CN105467700A/en
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Abstract

The present invention discloses a kind of display panel, including array basal plate and a colored filter substrate relative to each other.Array substrate includes one first data line parallel to each other, one second data line and a third data line and one first scan line parallel to each other and one second scan line.First scan line and the second scan line and the first data line and the second data line area defined form one first sub-pixel.First scan line and the second scan line and the second data line and third data line area defined form one second sub-pixel.First sub-pixel includes one first pixel electrode, and the second sub-pixel is arranged adjacent to the first sub-pixel and including one second pixel electrode.First pixel electrode and the second pixel electrode and the second data line are respectively provided with one first spacing and one second spacing, and the first spacing is greater than the second spacing.

Description

Display panel

Technical field

The present invention relates to a kind of display panels, and more particularly to a kind of display of sub-pixel operating area with diminution Panel.

Background technique

With the development of science and technology various display widely applies to TV, mobile phone, notebook computer and tablet computer Equal fields.However, general liquid crystal display panel is often with the limitation for having " angle of visibility ", this is because audience is glimmering in viewing display When curtain, can not necessarily watch from the direction of vertical screen, once the position of audience with screen and it is non-fully vertical and with one Inclination angle, light mixing probably occurs when reaching in audience's eye by display panel for light, thus generates so-called " oblique Colour cast " phenomenon.

For example, it when the liquid crystal in the pixel operation region of red sub-pixel rotates feux rouges to be showed, stands ornamental Position is simultaneously likely to see that some light by adjacent green sub-pixels, thus generates oblique non-perpendicular to the audience of screen To colour cast, the viewing quality of audience is reduced.

Summary of the invention

The purpose of the present invention is to provide a kind of display panels, are matched using the structure in the array substrate of display panel It sets, reduces the sub-pixel operating area of certain primary color (e.g. red), light mixing can be efficiently reduced, avoid generating oblique colour cast The phenomenon that, wherein the type of display panel can be the display panels such as FFS display panel, IPS display panel.

In order to achieve the above object, the present invention proposes a kind of display panel, including array basal plate and a colored filter substrate, Array substrate is oppositely arranged with colored filter substrate, and array substrate includes one first sub-pixel, one second sub-pixel, one the One data line, one second data line and a third data line and one first scan line and one second scan line.First sub-pixel Including one first pixel electrode, the second sub-pixel is arranged adjacent to the first sub-pixel and including one second pixel electrode.First number Extend according to line, the second data line and third data line along a first direction and parallel to each other.First scan line and the second scan line Extend along a second direction and parallel to each other.First scan line is enclosed with the second scan line and the first data line with the second data line At region, formed the first sub-pixel.First scan line is surrounded with the second scan line and the second data line with third data line Region, formed the second sub-pixel.First pixel electrode and the second data line have one first spacing, the second pixel electrode and the Two data lines have one second spacing, and the first spacing is greater than the second spacing.

More preferably understand to have to above-mentioned and other aspect of the invention, special embodiment below, and appended by cooperation Attached drawing is described in detail below:

Detailed description of the invention

Fig. 1 is section (X-Z plane) schematic diagram of the display panel of the embodiment of the present invention;

Fig. 2A is partial top (X-Y plane) figure of the array substrate of one embodiment of the invention;

Fig. 2 B is partial top (X-Y plane) figure of the array substrate of one embodiment of the invention;

Fig. 2 C is partial top (X-Y plane) figure of the array substrate of one embodiment of the invention;

Fig. 2 D is partial top (X-Y plane) figure of the array substrate of one embodiment of the invention;

Fig. 2 E is partial top (X-Y plane) figure of the array substrate of one embodiment of the invention;

Fig. 2 F is partial top (X-Y plane) figure of the array substrate of one embodiment of the invention;

Fig. 3 is that the embodiment of Fig. 2 E of the present invention simulates the relational graph that obtained penetrance is adjusted the distance;

Fig. 4 is that the pixel electrode of the embodiment of the present invention simulate obtained colour cast amount to the relational graph of ornamental angle.

Symbol description

100: display panel

10,10-1,10-2,10-3,10-4,10-5: array substrate

11: the first sub-pixels

110,210,310,410,510: the first pixel electrode

211,311: the first branch electrodes

212,312: the second branch electrodes

12: the second sub-pixels

120,220,320,420,520: the second pixel electrode

221,321: third branch electrodes

222,322: the four branch electrodes

20: colored filter substrate

30: liquid crystal layer

A1: the first spacing

A2: the second spacing

BM: black matrix"

C1, C2, R, R_1, G, B: the curve in simulation drawing

D1: the first data line

D2: the second data line

D3: third data line

E1, E2: sub-pixel operating area

R1: first distance

R2: second distance

S1: the first scan line

S2: the second scan line

The width of T1: the first pixel electrode

T211, T311: the width of the first branch electrodes

T212, T312: the width of the second branch electrodes

The width of T2: the second pixel electrode

T221, T321: the width of third branch electrodes

T222, T322: the width of the 4th branch electrodes

The angle of the θ: the first data line (or second data line, third data line) and the first scan line

X, Y, Z: axes of coordinates

Specific embodiment

It is to describe the embodiment of the present invention in detail referring to appended attached drawing below.Identical label is identical to indicate in attached drawing Or similar part.It is noted that attached drawing has simplified the content for clearly illustrating embodiment with benefit, the dimension scale on attached drawing is simultaneously It is non-to be drawn according to actual product equal proportion, therefore be not intended as limiting the scope of the present invention and be used.

The present invention proposes a kind of display panel, including array basal plate and a colored filter substrate, array substrate and coloured silk Colo(u)r filter substrate is oppositely arranged.May include multiple data lines and scan line in array substrate, these data lines and scan line that This intersection, forms multiple subpixel areas.Red, blue, green etc. can be for example presented in subpixel area respectively.Of the invention real It applies in example, includes pixel electrode in subpixel area, the distance between these pixel electrodes and immediate data line are incomplete It is identical.

For example, the distance between the pixel electrode in red subpixel areas and immediate data line are greater than green The distance between pixel electrode and immediate data line in sub-pixels region.The gap of these distances may be because each son Pixel electrode itself is of different size in pixel, or because caused by the difference of numbers of branches possessed by pixel electrode.With Under with embodiment and attached drawing will be cooperated to be described in detail.

Fig. 1 is painted section (X-Z plane) schematic diagram of the display panel 100 of one embodiment of the invention.Fig. 2A is painted this hair Partial top (X-Y plane) figure of the array substrate 10 of bright embodiment.Shown in A as shown in Figure 1, Figure 2, display panel 100 includes a burst of Column substrate 10 and a colored filter substrate 20, array substrate 10 is oppositely arranged with colored filter substrate 20, and array substrate There is a liquid crystal layer 30 between 10 and colored filter substrate 20.

Colored filter substrate 20 includes a colored filter 201.Array substrate 10 may include one first data line D1, one A second data line D2 and third data line D3 and one first scan line S1 and one second scan line S2.First data line D1, Second data line D2 extends with third data line D3 along a first direction and parallel to each other, the first scan line S1 and the second scan line S2 extends and parallel to each other along a second direction.In the present embodiment, first direction is, for example, parallel Y-direction, second direction example Parallel X-direction in this way.That is, first direction can be perpendicular to second direction.

In the present embodiment, the first scan line S1 and the second scan line S2 and the first data line D1 and the second data line D2 institute The region surrounded forms one first sub-pixel 11.First scan line S1 and the second scan line S2 and the second data line D2 and third Data line D3 area defined forms the second sub-pixel 12.First sub-pixel 11 include one first pixel electrode 110, second Sub-pixel 12 is arranged adjacent to the first sub-pixel 11, and including one second pixel electrode 120.In addition, colored filter 201 can wrap Red filter layer R, blue color filter layer B and green color filter G are included, in the present embodiment, red filter layer R corresponds to the first son Pixel 11.

As shown in Figure 2 A, the first pixel electrode 110 in second direction (X-direction) with immediate data line (D1, D2) With one first spacing A1, the second pixel electrode 120 has one second with immediate data line (D2, D3) in a second direction Spacing A2, the first spacing A1 are greater than the second spacing A2.An embodiment according to the present invention, the first pixel electrode 110 may be disposed at The center of first data line D1 and the second data line D2, therefore, the first pixel electrode 110 and the first data line D1 and the first pixel Electrode 110 and the second data line D2 the first spacing A1 all having the same.Similarly, since the second pixel electrode 120 is settable In the center of the second data line D2 and third data line D3, therefore, the second pixel electrode 120 and the second data line D2 and the second picture Plain electrode 120 and third data line D3 the second spacing A2 all having the same.

In general traditional display panel, between the first pixel electrode and immediate data line of the first sub-pixel 11 First spacing A1, equal to the second spacing A2 between the second pixel electrode and immediate data line of the second sub-pixel 12, at this point, The operating area of first sub-pixel 11 may be, for example, region E1 depicted in Fig. 1.

In the display panel 100 of the embodiment of the present invention, the width T1 of the first pixel electrode 110 is less than the second pixel electrode 120 width T2, so that the first spacing A1 is greater than the second spacing A2, and the operating area of the first sub-pixel 11 is e.g. Fig. 1 Depicted region E2.As shown in Figure 1, region E2 is less than region E1, therefore, when light L1 is as shown in the figure towards an inclined direction It projects, since the operating area of the first sub-pixel 11 of the embodiment of the present invention is smaller, the phenomenon that light mixing will be greatly reduced, can be effective Ground avoids the phenomenon that generating oblique colour cast.

Although the embodiment of Fig. 2A is with the first scan line S1 and the second scan line S2 perpendicular to the first data line D1, the second number It is illustrated according to line D2 and third data line D3, but the present invention is not limited to this.Fig. 2 B is painted the battle array of one embodiment of the invention Partial top (X-Y plane) figure of column substrate 10-1.As shown in Figure 2 B, the first data line D1, the second data line D2 and third number According to line D3 tiltable, and between the first scan line S1 and the second scan line S2 have an angle theta, angle theta can for example between 0 to 90 degree.In addition, the shape of the first pixel electrode 110 and the second pixel electrode 120 can also cooperate the first data line D1, the second data Line D2 and third data line D3 and tilt as a parallelogram.

Similarly, in the embodiment depicted in Fig. 2 B, the first spacing A1 is greater than the second spacing A2.It should be noted that this Place the first spacing A1 be defined as the first pixel electrode 110 in second direction (X-direction) with immediate data line (D1, D2) Between spacing, and the second spacing A2 be defined as the second pixel electrode 120 in a second direction with immediate data line (D2, D3 the spacing between).

Furthermore the shape of the first pixel electrode 110 and the second pixel electrode 120 is also not limited to above-described embodiment institute The shape being painted.

Fig. 2 C is painted partial top (X-Y plane) figure of the array substrate 10-2 of one embodiment of the invention.With aforementioned implementation Example difference, be the first pixel electrode 210 include one first branch electrodes 211 and one second branch electrodes 212, first point The width T211 of branch electrode 211 is equal with the width T212 of the second branch electrodes 212, and the second pixel electrode 220 includes a third Branch electrodes 221 and one the 4th branch electrodes 222, the width T221 of third branch electrodes 221 and the width of the 4th branch electrodes 222 It is equal to spend T222.First branch electrodes 211, the second branch electrodes 212, third branch electrodes 221 and the 4th branch electrodes 222 are all It is parallel to the first data line D1, the second data line D2 and third data line D3.

In the present embodiment, the width T211 and the second branch electrodes of the first branch electrodes 211 of the first pixel electrode 210 Width T212, less than the width T221 and the 4th branch electrodes 222 of the third branch electrodes 221 of the second pixel electrode 220 Width T222.

Similarly, the first pixel electrode 210 has one first spacing A1, the second picture with immediate data line (D1, D2) Plain electrode 220 has one second spacing A2 with immediate data line (D2, D3), and the first spacing A1 is greater than the second spacing A2. In the embodiment depicted in Fig. 2 C, the first spacing A1 may be defined as the first branch electrodes 211 in second direction (X-direction) with The distance between first data line D1 or the second branch electrodes 212 are in a second direction the distance between with the second data line D2. Second spacing A2 may be defined as third branch electrodes 221 in a second direction with the distance between the second data line D2 or the 4th Branch electrodes 222 are in a second direction the distance between with third data line D3.

Fig. 2 D is painted partial top (X-Y plane) figure of the array substrate 10-3 of one embodiment of the invention.It is similar with Fig. 2 C, First pixel electrode 310 of the embodiment of the present invention may include one first branch electrodes 311 and one second branch electrodes 312, first The width T311 of branch electrodes 311 is equal with the width T312 of the second branch electrodes 312, and the second pixel electrode 320 includes one the Three branch electrodes 321 and one the 4th branch electrodes 322, the width T321 of third branch electrodes 321 and the 4th branch electrodes 322 Width T322 is equal.First branch electrodes 311, the second branch electrodes 312, third branch electrodes 321 and the 4th branch electrodes 322 It is parallel to the first data line D1, the second data line D2 and third data line D3.

In addition, in embodiments of the present invention, the first branch electrodes 311 of the first pixel electrode 310 and the second branch electrodes There is a first distance R1, between the third branch electrodes 321 and the 4th branch electrodes 322 of the second pixel electrode 320 between 312 It is less than second distance R2 with a second distance R2, first distance R1.

Although the embodiment of Fig. 2 C, Fig. 2 D are with the first pixel electrode (210,310) and the second pixel electrode (220,320) point It Ju not be illustrated there are two branch, but the present invention is not limited to this.Fig. 2 E is painted the array substrate of one embodiment of the invention Partial top (X-Y plane) figure of 10-4.As shown in Figure 2 E, the first pixel electrode 410 does not include any branch, and the second pixel Electrode 420 includes two branch electrodes.

In other embodiments, the first pixel electrode and the second pixel electrode can be respectively provided with multiple branches, and the first picture Branch electrodes quantity of the branch electrodes quantity of plain electrode less than the second pixel electrode.Fig. 2 F is painted the battle array of one embodiment of the invention Partial top (X-Y plane) figure of column substrate 10-5.As shown in Figure 2 F, the first pixel electrode 510 can have there are two branch electrodes, And the second pixel electrode 520 can have there are three branch electrodes.That is, the first pixel electrode of the embodiment of the present invention and second The numbers of branches of pixel electrode, can be depending on actual design requirement.

By the various embodiments described above it is found that passing through the width of the first pixel electrode and the second pixel electrode itself, its branch Width, branch quantity, can make the first pixel electrode and immediate data line that there is the first spacing A1, the second pixel electrode with Immediate data line has the second spacing A2, and the first spacing A1 and the second spacing A2 be not identical.Match through this structure It sets, the operating area (operating area of the first sub-pixel 11 e.g. in the various embodiments described above) of certain primary color can be reduced, effectively Ground reduces the light mixing with adjacent subpixels, avoids the phenomenon that generating oblique colour cast.

It should be noted that the structure feature of the various embodiments described above, such as the width of the first pixel electrode and the second pixel electrode Branch electrodes quantity or the width size of branch electrodes etc. for spending size, the first pixel electrode and the second pixel electrode, can be out of the ordinary Or be mixed in same display panel, as long as make the first sub-pixel the first pixel electrode and immediate data line away from From, different from the second sub-pixel the second pixel electrode at a distance from immediate data line, all can be institute of the embodiment of the present invention Including scope.

Since human eye is more sharp for red colour cast impression, in one embodiment, the of the embodiment of the present invention One sub-pixel 11 can be shown in red, and the second sub-pixel 12 can be shown as blue or green.In addition, the of the first sub-pixel 11 There is the first spacing A1 between one pixel electrode and immediate data line (such as the first data line D1 or the second data line D2), the Have between second pixel electrode of two sub-pixels 12 and immediate data line (such as the second data line D2 or third data line D3) There is the second spacing A2, the first spacing A1 greater than the second spacing A2, reduces the operating area of the first sub-pixel 11, efficiently reduce With the light mixing of the second adjacent sub-pixel 12, the phenomenon that generating oblique colour cast is avoided.

In the above embodiment of the present invention, e.g. the first pixel electrode 110,210,210,310,410,510 and second The first branch electrodes 211,311 and of pixel electrode 120,220,320,420,520 or the first pixel electrode 210,310 The third branch electrodes 221,321 and the 4th branch electrodes of two branch electrodes 212,312 and the second pixel electrode 220,320 222,322 width can be between 0.5~5 μm.

In addition, array substrate 10-1~10-5 depicted in Fig. 2 B~Fig. 2 F is different embodiments of the invention, can be used as The different state sample implementations of array substrate 10 as shown in figure 1.That is, array substrate 10-1 depicted in Fig. 2 B~Fig. 2 F~ 10-5 can form the display panel of different embodiments of the invention instead of the array substrate 10 in Fig. 1.But implementation of the invention Mode is not limited to above-described embodiment.

Fig. 3, which is painted, simulates the relational graph that acquired penetrance is adjusted the distance to the embodiment of Fig. 2 E of the present invention.Distance definition is The length at 410 center of the first pixel electrode to the first center data line D1.Curve C1 in figure is represented first depicted in Fig. 2 E The analog result that pixel electrode 410 is carried out, the first pixel electrode 410 do not have any branch electrodes;Curve C2 is represented as schemed The analog result that the second pixel electrode 420 is carried out depicted in 2E, there are two branch electrodes for the second pixel electrode 420 tool.By Figure is it is found that the penetrance of curve C1 is distributed the obviously penetrance narrowly distributing compared with curve C2, that is to say, that when pixel electrode is had Branch electrodes quantity reduce, the operating area of pixel also can with diminution.

Following table one is that the pixel electrode of the embodiment of the present invention carries out the result of light mixing simulation test.In this test, equally With the first pixel electrode 410 (not having any branch electrodes) and the second pixel as depicted in Fig. 2 E as depicted in Fig. 2 E Electrode 420 (there are two branch electrodes for tool) is compared.MA (unit is μm) is defined as array substrate 10 and colour in Table 1 The contraposition deviation of optical filtering substrate 20, the black on the first data line D1 and colored optical filtering substrates 20 e.g. in array substrate 10 The contraposition deviation of matrix B M.DHuv (unit °) is colour cast residual quantity.

Table one

By the analog result of table one it is found that no matter array substrate 10 and the contraposition deviation amount of colored optical filtering substrates 20 it is big Small, the colo(u)r bias dHuv (°) of the first pixel electrode 410 (not having any branch electrodes) is both less than 420 (tool of the second pixel electrode There are two branch electrodes) dHuv (°).

In addition, the simulation test of penetration is equally carried out to above-mentioned first pixel electrode 410 and the second pixel electrode 420, Its whole penetration for going out the first pixel electrode 410 (not having any branch electrodes) as the result is shown is only below the second pixel electrode 420 (there are two branch electrodes for tool) about 1%.That is, reducing the branch electrodes quantity of pixel electrode, improvement is not only facilitated Colour cast amount, while whole penetration decline will not be caused too many.

If the operating area of the first sub-pixel 11 and the second sub-pixel 12 is reduced simultaneously, although equally can be reduced adjacent son Light mixing between pixel, but it is likely to result in whole penetrance decline too much, cause ornamental quality bad.Therefore, the present invention is real The structure for applying example, other than it can effectively reduce the light mixing between adjacent subpixels, moreover it is possible to possess considerable degree of penetration.

Fig. 4, which is painted, simulate obtained colour cast amount to the relationship of ornamental angle to the pixel electrode of the embodiment of the present invention Figure.In this figure, curve R and R_1 respectively represent as depicted in Fig. 2 C the first pixel electrode 210 (tool there are two branch electrodes, That is the first branch electrodes 211 and the second branch electrodes 212) and the first pixel electrode 110 as depicted in Fig. 2A (do not have and appoint What branch electrodes) simulated as a result, wherein curve R and R_1 is the region that sub-pixel issues feux rouges.Curve G is sub-pixel The region of green light is issued, curve B is the region that sub-pixel issues blue light, and wherein curve G and curve B can for example be drawn with Fig. 2A The structure of the second pixel electrode 120 shown.

As seen from the figure, when ornamental angle more tilts, the colour cast that the subpixel area (curve R and R_1) of feux rouges generates is issued Amount is apparently higher than the colour cast amount that the subpixel area of blue light and green light (curve B and G) generates that issues.In addition, identical ornamental Under angle, the colour cast amount of curve R_1 is obviously low compared with curve R.That is, the branch electrodes quantity of pixel electrode is reduced, it can Effectively improve colour cast amount.

By the various embodiments described above and simulated experiment it is found that the embodiment of the present invention by pixel electrode in subpixel area with The distance between immediate data line is not exactly the same, can reduce the operating area of certain primary color (e.g. red), effectively Ground reduces light mixing, avoids the phenomenon that generating oblique colour cast.Meanwhile it is excessive that whole penetration will not be caused to reduce, and influences to watch Quality.

Although being not intended to limit the invention in conclusion disclosing the present invention in conjunction with above embodiments.This hair Bright those of ordinary skill in the art, without departing from the spirit and scope of the present invention, can make various change with Retouching.Therefore, protection scope of the present invention should be subject to what the appended claims were defined.

Claims (9)

1. a kind of display panel, including array substrate and colored filter substrate, the array substrate and the colored filter substrate It is oppositely arranged, wherein the array substrate includes:
First sub-pixel comprising the first pixel electrode;
Second sub-pixel is arranged adjacent to first sub-pixel, and including the second pixel electrode;
First data line, the second data line and third data line, first data line, second data line and the third data line Extend along a first direction and parallel to each other;And
First scan line and the second scan line, first scan line extend along a second direction with second scan line and put down each other Row, and first scan line and second scan line and first data line and the second data line area defined, form The area that first sub-pixel, first scan line and second scan line and second data line and the third data line are surrounded Domain forms second sub-pixel;
Wherein first pixel electrode and second data line have the first spacing, second pixel electrode and second data line With the second spacing, which is greater than second spacing, and the width of first pixel electrode is less than second pixel electrode Width and first pixel electrode area be less than second pixel electrode area.
2. display panel as described in claim 1, wherein first pixel electrode includes the first branch electrodes and the second branch Electrode, second pixel electrode include third branch electrodes and the 4th branch electrodes.
3. display panel as claimed in claim 2, wherein first branch electrodes and second branch electrodes are wide with first Degree, the third branch electrodes and the 4th branch electrodes have the second width, which is less than second width.
4. display panel as claimed in claim 2, wherein first branch electrodes, second branch electrodes, the third branch Electrode and the 4th branch electrodes are parallel to first data line, second data line and the third data line.
5. display panel as claimed in claim 2, wherein have the between first branch electrodes and second branch electrodes One distance, between the third branch electrodes and the 4th branch electrodes have second distance, the first distance be less than this second away from From.
6. display panel as described in claim 1, wherein first pixel electrode and second pixel electrode are respectively provided with more A branch electrodes, and the branch electrodes quantity of first pixel electrode, less than the branch electrodes quantity of second pixel electrode.
7. display panel as described in claim 1, wherein first sub-pixel is shown in red.
8. display panel as described in claim 1, wherein the width of first pixel electrode and second pixel electrode between 0.5~5 μm.
9. display panel as described in claim 1 wherein has liquid crystal between the array substrate and the colored filter substrate Layer.
CN201410461426.7A 2014-09-11 2014-09-11 Display panel CN105467700B (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101410882A (en) * 2006-03-30 2009-04-15 夏普株式会社 Display device and color filter substrate

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101269006B1 (en) * 2008-12-02 2013-05-29 엘지디스플레이 주식회사 Liquid ctystal display device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101410882A (en) * 2006-03-30 2009-04-15 夏普株式会社 Display device and color filter substrate

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