CN105739191A - Display panel and display device - Google Patents
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- CN105739191A CN105739191A CN201410767490.8A CN201410767490A CN105739191A CN 105739191 A CN105739191 A CN 105739191A CN 201410767490 A CN201410767490 A CN 201410767490A CN 105739191 A CN105739191 A CN 105739191A
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Abstract
The invention provides a display panel and a display device.An electrode layer of the display panel comprises a first main electrode extending in a first direction, a plurality of first branched electrodes and a plurality of second branched electrodes, wherein the first branched electrodes and the second branched electrodes are located on the two sides of the first main electrode, the first branched electrodes are spaced from one another by the distance T, the first branched electrodes and the second branched electrodes are independently provided with a first arc side edge and a second arc side edge, a first shortest distance A exists between each first arc side edge and the corresponding second arc side edge in the second direction, a first vertex is the highest point or the lowest point on each first arc side edge in the first direction, a second vertex is the highest point or the lowest point on each second arc side edge in the first direction, a second shortest distance B exists between each first vertex and the corresponding second vertex in the second direction, and (B-A) is greater than or equal to 0.5T and smaller than or equal to T.According to the display panel and the display device, the liquid crystal arrangement abnormal phenomenon caused by incontinuity of an electric field at the turning place of the branched electrodes of the electrode layer can be improved, then, the technological time is shortened, and the competitiveness of products is improved.
Description
Technical field
The present invention is about a kind of display floater and display device, especially in regard to a kind of two-d display panel and flat display apparatus.
Background technology
Progress along with science and technology, flat display apparatus has been used in various field widely, especially liquid crystal indicator, because having that build is frivolous, low power consumption and the advantageous characteristic such as radiationless, gradually replace conventional cathode ray tube display device, and apply to the electronic product of numerous species, for instance mobile phone, portable multimedia device, notebook computer, LCD TV and LCD screen etc..
The manufacturer of current liquid crystal indicator is promoting the wide viewing angle technology (Multi-domainVerticalAlignment of thin film electrocrystal liquid crystal display device (TFTLCD), MVA) on, polymer-stabilized alignment (or claim polymer to continue orientation, PolymerSustainedAlignment, PSA) it is the technology of a kind of maturation in order to optical properties such as increasing opening rate and contrasts and volume production.Wherein, PSA technology is to instill (OneDropFilling at the liquid crystal of panel, ODF) in technique, mix a photoreactivity monomer (monomer) to be energized afterwards, and carry out ultraviolet photoetching irradiation, make photoreactivity monomer produce chemical reaction, and make the monomer after chemical reaction arrange according to the pattern of the transparency conducting layer in thin film transistor base, to reach to make the purpose of LCD alignment by monomer after chemical reaction.
In the prior art, transparency conducting layer in thin film transistor base generally comprises the combination of main electrode and branch electrodes, in the design of industry, main electrode it is connected to obliquely due to branch electrodes, therefore its junction (or being called turning point) is generally the design of wedge angle so that have an angle (this angle is such as 45 degree or 135 degree) between branch electrodes and main electrode.But, owing to turning point is the design of wedge angle, make when energizing step, liquid crystal molecule can cause because the electric field of turning point is discontinuous that its arrangement is abnormal, therefore, requiring over increase monomer chemistries response time (curingtime) makes the liquid crystal molecule of turning point stably can incline to an angle in advance, consequently, it is possible to make the competitiveness of product decline by increasing the process time.
Summary of the invention
The purpose of the present invention, for providing a kind of display floater and display device, can improve the liquid crystal arrangement abnormal phenomena that the electric field of the branch electrodes turning point of electrode layer is discontinuous caused, and then reduce the process time and improve the competitiveness of product.
For reaching above-mentioned purpose, according to a kind of display floater of the present invention, including a first substrate and and the second substrate that set and an electrode layer relative with first substrate.nullElectrode layer is arranged on first substrate and towards second substrate，And comprise one first main electrode extended along a first direction and be positioned at multiple first branch electrodes of the first main electrode both sides and multiple second branch electrodes，Described first branch electrodes or described second branch electrodes are spaced a distance T，The contiguous first main electrode part of one of them of one of them of described first branch electrodes and described second branch electrodes has one first arcuation side and one second arcuation side，First arcuation side and the second arcuation side have one first beeline A along a second direction of vertical first direction，First arcuation side has one first summit，Second arcuation side has one second summit，First summit is first arcuation side peak on first direction or minimum point，Second summit is second arcuation side peak on first direction or minimum point，And first summit and the second summit there is one second beeline B in a second direction，Wherein，A、B and T meets below equation: 0.5T≤(B-A)≤T，And A、The unit of B and T is micron.
For reaching above-mentioned purpose, according to a kind of display device of the present invention, including a display floater and a backlight module.Backlight module is relative with display floater and sets.nullDisplay floater has a first substrate、And the second substrate that set and an electrode layer relative with first substrate，Electrode layer is arranged on first substrate and towards second substrate，And comprise one first main electrode extended along a first direction and be positioned at multiple first branch electrodes of the first main electrode both sides and multiple second branch electrodes，Described first branch electrodes or described second branch electrodes are spaced a distance T，The contiguous first main electrode part of one of them of one of them of described first branch electrodes and described second branch electrodes has one first arcuation side and one second arcuation side，First arcuation side and the second arcuation side have one first beeline A along a second direction of vertical first direction，First arcuation side has one first summit，Second arcuation side has one second summit，First summit is first arcuation side peak on first direction or minimum point，Second summit is second arcuation side peak on first direction or minimum point，And first summit and the second summit there is one second beeline B in a second direction，A、B and T meets below equation: 0.5T≤(B-A)≤T，And A、The unit of B and T is micron.
In one embodiment, A, B and T also meet below equation: 0.6T≤(B-A)≤0.9T.
In one embodiment, two adjacent described first branch electrodes are spaced this distance along a third direction, and two adjacent described second branch electrodes are spaced this distance along a fourth direction, and third direction is essentially vertical with fourth direction.
In one embodiment, the first arcuation side and the second arcuation side are for being oppositely arranged.
In one embodiment, the first arcuation side and the second arcuation side are for shifting to install.
In one embodiment, electrode layer also comprises one second main electrode being cross-linked with the first main electrode, and the angle between the first main electrode and the second main electrode is between 80 degree to 100 degree.
In one embodiment, one of them of described first branch electrodes or described second branch electrodes also has a straight sides limit, and the extension of straight line side and the angle of the first main electrode or the second main electrode are between 5 degree to 85 degree.
From the above, because of in display floater and the display device of the present invention, electrode layer comprises the first main electrode extended in a first direction and is positioned at multiple first branch electrodes of the first main electrode both sides and multiple second branch electrodes, and described first branch electrodes or described second branch electrodes are spaced distance T.Additionally, first arcuation side and the second arcuation side have the first beeline A along the second direction of vertical first direction, and first first summit of arcuation side be first arcuation side peak on first direction or minimum point, second summit of the second arcuation side is second arcuation side peak on first direction or minimum point, and the first summit and the second summit have one second beeline B in a second direction.Wherein, when A, B and T meet equation: during 0.5T≤(B-A)≤T, compared to prior art, the liquid crystal arrangement abnormal phenomena that the electric field of the branch electrodes turning point of electrode layer is discontinuous caused can be improved, and then reduce the process time and improve the competitiveness of product.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of display floater of present pre-ferred embodiments.
Fig. 2 A is in the display floater of Fig. 1, the electrode pattern schematic diagram of an electrode layer.
Fig. 2 B is the enlarged diagram in a region of Fig. 2 A.
Fig. 3 is the electrode pattern schematic diagram of the electrode layer of another enforcement aspect.
Fig. 4 is the schematic diagram of a kind of display device of present pre-ferred embodiments.
Detailed description of the invention
Hereinafter with reference to relevant drawings, the display floater according to present pre-ferred embodiments and display device being described, wherein identical element will be illustrated with identical reference marks.
Refer to shown in Fig. 1, Fig. 2 A and Fig. 2 B, wherein, Fig. 1 is the schematic diagram of a kind of display floater 1 of present pre-ferred embodiments, and Fig. 2 A is in the display floater 1 of Fig. 1, the electrode pattern schematic diagram of electrode layer 13, and the enlarged diagram of the region P that Fig. 2 B is Fig. 2 A.
The display floater 1 of the present embodiment is for example and without limitation to plane switching (in-planeswitch, IPS) formula display panels, fringe field switch (fringefieldswitching, FFS) formula display panels, vertical orientation mode (verticalalignmentmode, VAmode) display panels or 3D display panels, do not limit.
As it is shown in figure 1, display floater 1 includes first substrate 11, second substrate 12 and an electrode layer 13.It addition, display floater 1 may also include a liquid crystal layer 14 (liquid crystal molecule does not show).Display floater 1 is such as but not limited to being applied on smart mobile phone or panel computer, or other electronic installation, and when light is through display floater 1, can show that color forms image by each (secondary) pixel of display floater 1.
First substrate 11 is relative with second substrate 12 and sets, and liquid crystal layer 14 is then located between first substrate 11 and second substrate 12.Wherein, first substrate 11 and second substrate 12 can be made for light-transmitting materials, for instance be a glass substrate, a quartz base plate or a plastic substrate, do not limit.
Electrode layer 13 is arranged on first substrate 11 and towards second substrate 12.Electrode layer 13 is a transparency conducting layer, and its material is for example and without limitation to indium tin oxide (indium-tinoxide, ITO) or indium-zinc oxide (indium-zincoxide, IZO).In the present embodiment, electrode layer 13 is pixel electrode (pixelelectrode) layer of display floater 1, and electrically connects with data wire (figure does not show).In this, Fig. 2 A only shows a part (being still denoted as 13) for the electrode layer 13 of Fig. 1 and the pattern of the pixel electrode of shown person is display floater 1 sub-pixel.
Additionally, display floater 1 may also include an electric crystal array film, a colour filter array and a black-matrix layer (figure does not show), electric crystal array film is arranged on first substrate 11, and colour filter array or black-matrix layer may be disposed on first substrate 11 or second substrate 12.Wherein, electric crystal array film, colour filter array and liquid crystal layer 14 can form a pel array.In one embodiment, black-matrix layer and colour filter array can be respectively arranged on second substrate 12, but, in another embodiment, black-matrix layer or colour filter array also can be respectively arranged on first substrate 11, become a BOA (BMonarray) substrate, or become a COA (colorfilteronarray) substrate, be not any limitation as.Additionally, display floater 1 may also include multiple scanning line and multiple data wires (figure does not show), such scanning line and such data wire are crisscross arranged, for instance be mutually perpendicular to and define the region of this pel array.Wherein, pel array comprises multiple (secondary) pixel, and those (secondary) pixels are configured to rectangular.
As shown in Figure 2 A and 2 B, electrode layer 13 comprises one first trunk (trunk) electrode 131,1 second main electrode 132 and is positioned at multiple first branch (branch) electrodes 133 of the first main electrode 131 both sides and multiple second branch electrodes 134.Wherein, the first main electrode 131 extends along a first direction D1, and the second main electrode 132 extends along a second direction D2, and first direction D1 is substantially perpendicular to second direction D2.In the present embodiment, first direction D1 is the upper and lower direction of Fig. 2 A, and the left and right direction that second direction D2 is Fig. 2 A.But, in various embodiments, first direction D1 is alternatively the left and right direction of Fig. 2 A, and second direction D2 be alternatively the upper and lower of Fig. 2 A to, the present invention does not limit.
First main electrode 131 and the second main electrode 132 are for being cross-linked, and the angle between the first main electrode 131 and the second main electrode 132 can between 80 degree to 100 degree.In this, the coupling part of the first main electrode 131 and the second main electrode 132 is positioned at the zone line of electrode layer 13, and the angle between the first main electrode 131 with the second main electrode 132 to be essentially 90 degree (namely first direction D1 and second direction D2 is essentially vertical) be example.Owing to the first main electrode 131 and the second main electrode 132 are for being cross-linked, and centrally located region, its coupling part, therefore, electrode layer 13 can be divided into four electrode zones (having 4 domains) by the first main electrode 131 and the second main electrode 132.Additionally, the surrounding of the electrode layer 13 of the present embodiment also has a surrounding electric poles 135, surrounding electric poles 135 has 4 around portion 135a, 135b, 135c, 135d, wherein, it is connected with first main electrode the 131, second main electrode 132 and those the second branch electrodes 134 respectively around portion 135a, 135b, and be connected with first main electrode the 131, second main electrode 132 and those the first branch electrodes 133 respectively around portion 135c, 135d, to form an enclosed electrode layer 13.
As shown in Figure 2 B, those first branch electrodes 133 or those the second branch electrodes 134 are spaced a distance T.In this, two those first branch electrodes 133 adjacent along a third direction D3 each other be spaced apart distance T, and two those second branch electrodes 134 adjacent are also distance T along fourth direction D4 interval each other, and third direction D3 and fourth direction D4 is essentially and is mutually perpendicular to wherein, those first branch electrodes 133 are connected with the first main electrode 131 or the second main electrode 132, and those second branch electrodes 134 are connected with the first main electrode 131 or the second main electrode 132.In this, the first branch electrodes 133 of a part is connected with the first main electrode 131, the first branch electrodes 133 of a part is connected with the second main electrode 132, the second branch electrodes 134 of a part is connected with the first main electrode 131 and the second branch electrodes 134 of a part is connected with the second main electrode 132.
It addition, one of them contiguous first main electrode 131 part that one of them of those the first branch electrodes 133 is with those the second branch electrodes 134 has one first arcuation side C1 and one second arcuation side C2.Contiguous first main electrode 131 part of those first branch electrodes 133 of the present embodiment is respectively provided with the first arcuation side C1, and contiguous first main electrode 131 part of those second branch electrodes 134 is respectively provided with the second arcuation side C2.Wherein, the first arcuation side C1 and the second arcuation side C2 is for being oppositely arranged.But, in various embodiments, the first arcuation side C1 and the second arcuation side C2 also can for shifting to install (namely staggering upper and lower, not relatively) on first direction D1, and the present invention does not limit.Additionally, except the first arcuation side C1 and the second arcuation side C2, the angle theta of extension and the first main electrode 131 or the second main electrode 132 that the first branch electrodes 133 and the second branch electrodes 134 are also respectively provided with at least one straight line side L, this straight line side L can between 5 degree to 85 degree.In this, the angle theta extended between the first main electrode 131 of the straight line side L of the first branch electrodes 133 (and second branch electrodes 134) is for 45 degree.
It addition, the first arcuation side C1 and the second arcuation side C2 D2 in a second direction has one first beeline A.In the present embodiment, as shown in Figure 2 B, owing to the first arcuation side C1 and the second arcuation side C2 is oppositely arranged, therefore, the beeline that both have on D2 in a second direction is defined as A.But, in other examples, if other conditions are constant, owing to defining along second direction D2, therefore when the first arcuation side C1 and the second arcuation side C2 is for shifting to install, the first beeline A that both have on D2 in a second direction still with Fig. 2 B when being oppositely arranged identical.Additionally, in certain embodiments, the first beeline A also can such as following definition: the first beeline A is alternatively the width on the first main electrode 131 D2 in a second direction；Or, it is alternatively two those first branch electrodes 133 adjacent and there is one first gap, two those second branch electrodes 134 adjacent have one second gap, and first beeline A be the first gap and the beeline on the D2 in a second direction of the second gap, the present invention does not limit the definition of the first beeline A.
It addition, the first arcuation side C1 has one first summit V1, the second arcuation side C2 has one second summit V2.Wherein, first summit V1 is first arcuation side C1 peak on first direction D1 or minimum point, and the second summit V2 is second arcuation side C2 peak on first direction D1 or minimum point, and the first summit V1 and the second summit V2 D2 in a second direction has one second beeline B.In this, the first summit V1 is first arcuation side C1 peak on first direction D1, and the second summit V2 is also second arcuation side C2 peak on first direction D1.It is specifically intended that, the vertical direction that first direction D1 is Fig. 2 B of the present embodiment, but in different embodiments, if the words of first direction D1 horizontal direction, simply watch the angle 90-degree rotation of electrode layer 13, first summit V1 equally can be considered as first arcuation side C1 peak on first direction D1 or minimum point, and the second summit V2 is also considered as second arcuation side C2 peak on first direction D1 or minimum point.
Found by actual experimental data, in prior art, when the turning point that branch electrodes is connected with main electrode is pointed design (namely (B-A)=0), the penetrance of display floater 1 is higher, but the situation of Liquid Crystal Molecules Alignment exception is more；If turning point is the design of arcuation side, the value of (B-A)/T will rise, then the situation that Liquid Crystal Molecules Alignment is abnormal can be improved；But when the value of (B-A)/T rises to 1 or during more than 1, although the situation that Liquid Crystal Molecules Alignment is abnormal can be improved more, but relative, the trend that penetrance is then decreased significantly.Therefore, by changing the relative size (design of namely different arcuation sides) of A and B, between can making penetrance and Liquid Crystal Molecules Alignment extremely, there is the effect of the best.
Therefore, in the display floater 1 of the present embodiment, spacing T between first beeline A, the second beeline B and those the first branch electrodes 133 (or those second branch electrodes 134) meets below equation: 0.5T≤(B-A)≤T, A, B and T unit be micron.Now, preferably effect is had between can making penetrance and Liquid Crystal Molecules Alignment extremely, therefore, can improve in prior art, in the turning point that branch electrodes is connected with main electrode, liquid crystal molecule causes the abnormal phenomena of arrangement because electric field is discontinuous, and then can reduce the monomer chemistries response time and improve the competitiveness of product, and the benefit of this improvement is more high then more obvious along with resolution (ppi).Preferably, if A, B and T also meet below equation: during 0.6T≤(B-A)≤0.9T, then has improvement effect more preferably.
It addition, refer to shown in Fig. 3, it is the electrode pattern schematic diagram of the electrode layer 13a of another enforcement aspect.
The electrode layer 13 of electrode layer 13a and Fig. 2 A primary difference is that, electrode layer 13a does not have the surrounding electric poles 135 of electrode layer 13, and therefore, electrode layer 13a is an open electrode layer.
Additionally, the other technologies feature of electrode layer 13a can refer to above-mentioned electrode layer 13, repeat no more.
It addition, refer to shown in Fig. 4, it is the schematic diagram of a kind of display device 2 of present pre-ferred embodiments.
Display device 2 includes display floater 3 and a backlight module 4 (BacklightModule), and display floater 3 and backlight module 4 are oppositely arranged.Wherein, much more no longer display floater 3 has above-mentioned display floater 1 and all features of change aspect thereof, to explain in this.When the light E that backlight module 4 sends is through display floater 3, can show that color forms image by each (secondary) pixel of display floater 3.
In sum, because of in display floater and the display device of the present invention, electrode layer comprises the first main electrode extended in a first direction and is positioned at multiple first branch electrodes of the first main electrode both sides and multiple second branch electrodes, and those first branch electrodes or those the second branch electrodes are spaced distance T.Additionally, first arcuation side and the second arcuation side have the first beeline A along the second direction of vertical first direction, and first first summit of arcuation side be first arcuation side peak on first direction or minimum point, second summit of the second arcuation side is second arcuation side peak on first direction or minimum point, and the first summit and the second summit have one second beeline B in a second direction.Wherein, when A, B and T meet equation: during 0.5T≤(B-A)≤T, compared to prior art, the liquid crystal arrangement abnormal phenomena that the electric field of the branch electrodes turning point of electrode layer is discontinuous caused can be improved, and then reduce the process time and improve the competitiveness of product.
The foregoing is only illustrative, but not be restricted person.Any spirit without departing from the present invention and category, and to its equivalent modifications carried out or change, be intended to be limited solely by claim.
Claims (14)
1. a display floater, it is characterised in that described display floater includes:
One first substrate and a second substrate that is relative with this first substrate and that set；And
nullOne electrode layer，It is arranged on this first substrate and towards this second substrate，And comprise one first main electrode extended along a first direction and be positioned at multiple first branch electrodes of these the first main electrode both sides and multiple second branch electrodes，Described first branch electrodes or described second branch electrodes are spaced a distance T，One of them of one of them of described first branch electrodes and described second branch electrodes this first main electrode part contiguous has one first arcuation side and one second arcuation side，This first arcuation side has one first beeline A with a second direction of this second arcuation side edge this first direction vertical，This first arcuation side has one first summit，This second arcuation side has one second summit，This first summit is this first arcuation side peak on this first direction or minimum point，This second summit is this second arcuation side peak on this first direction or minimum point，And this first summit has one second beeline B with this second summit along this second direction，
Wherein, A, B and T meet below equation: 0.5T≤(B-A)≤T, and the unit of A, B and T is micron.
2. display floater as claimed in claim 1, it is characterised in that A, B and T also meet below equation: 0.6T≤(B-A)≤0.9T.
3. display floater as claimed in claim 1, it is characterized in that, two adjacent described first branch electrodes are spaced this distance along a third direction, and two adjacent described second branch electrodes are spaced this distance along a fourth direction, and this third direction is essentially vertical with this fourth direction.
4. display floater as claimed in claim 1, it is characterised in that this first arcuation side and this second arcuation side are for being oppositely arranged.
5. display floater as claimed in claim 1, it is characterised in that this first arcuation side and this second arcuation side are for shifting to install.
6. display floater as claimed in claim 1, it is characterised in that this electrode layer also comprises one second main electrode being cross-linked with this first main electrode, and the angle between this first main electrode and this second main electrode is between 80 degree to 100 degree.
7. display floater as claimed in claim 6, it is characterized in that, one of them of described first branch electrodes or described second branch electrodes also has a straight sides limit, and the extension of this straight line side and the angle of this first main electrode or this second main electrode are between 5 degree to 85 degree.
8. a display device, it is characterised in that described display device includes:
nullOne display floater，There is a first substrate、And the second substrate that set and an electrode layer relative with this first substrate，This electrode layer is arranged on this first substrate and towards this second substrate，And comprise one first main electrode extended along a first direction and be positioned at multiple first branch electrodes of these the first main electrode both sides and multiple second branch electrodes，Described first branch electrodes or described second branch electrodes are spaced a distance T，One of them of one of them of described first branch electrodes and described second branch electrodes this first main electrode part contiguous has one first arcuation side and one second arcuation side，This first arcuation side has one first beeline A with a second direction of this second arcuation side edge this first direction vertical，This first arcuation side has one first summit，This second arcuation side has one second summit，This first summit is this first arcuation side peak on this first direction or minimum point，This second summit is this second arcuation side peak on this first direction or minimum point，And this first summit has one second beeline B with this second summit along this second direction，A、B and T meets below equation: 0.5T≤(B-A)≤T，And A、The unit of B and T is micron；And
One backlight module is relative with this display floater and set.
9. display device as claimed in claim 8, it is characterised in that A, B and T also meet below equation: 0.6T≤(B-A)≤0.9T.
10. display device as claimed in claim 8, it is characterized in that, two adjacent described first branch electrodes are spaced this distance along a third direction, and two adjacent described second branch electrodes are spaced this distance along a fourth direction, and this third direction is essentially vertical with this fourth direction.
11. display device as claimed in claim 8, it is characterised in that this first arcuation side and this second arcuation side are for being oppositely arranged.
12. display device as claimed in claim 8, it is characterised in that this first arcuation side and this second arcuation side are for shifting to install.
13. display device as claimed in claim 8, it is characterised in that this electrode layer also comprises one second main electrode being cross-linked with this first main electrode, and the angle between this first main electrode and this second main electrode is between 80 degree to 100 degree.
14. display device as claimed in claim 13, it is characterized in that, one of them of described first branch electrodes or described second branch electrodes also has a straight sides limit, and the extension of this straight line side and the angle of this first main electrode or this second main electrode are between 5 degree to 85 degree.
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| CN201410767490.8A CN105739191B (en) | 2014-12-12 | 2014-12-12 | Display panel and display device |
| CN202310651200.2A CN116449614A (en) | 2014-12-12 | 2014-12-12 | Display panel |
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| CN106556951A (en) * | 2015-09-30 | 2017-04-05 | 群创光电股份有限公司 | Display device |
| CN109557731A (en) * | 2018-12-24 | 2019-04-02 | 惠科股份有限公司 | Array substrate, display panel and display |
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| CN105739191B (en) | 2023-06-23 |
| CN116449614A (en) | 2023-07-18 |
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