CN203930284U - Display panels and the liquid crystal display that comprises it - Google Patents
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- CN203930284U CN203930284U CN201420278999.1U CN201420278999U CN203930284U CN 203930284 U CN203930284 U CN 203930284U CN 201420278999 U CN201420278999 U CN 201420278999U CN 203930284 U CN203930284 U CN 203930284U
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Abstract
Display panels and a liquid crystal display that comprises it, wherein display panels comprises: a first substrate, is provided with a pixel electrode district Ji Yifei pixel electrode district; One second substrate, is oppositely arranged with first substrate; One first both alignment layers, is located in pixel electrode district Ji Fei pixel electrode district; And a liquid crystal layer, be located between first substrate and second substrate.Wherein, the first both alignment layers in pixel electrode district has one first thickness, and the first both alignment layers in non-pixel electrode district has one second thickness, and the first thickness is greater than the second thickness.
Description
Technical field
The utility model is about a kind of display panels and the liquid crystal display that comprises it, especially refers to a kind of liquid crystal display that has the display panels of novel structure both alignment layers and comprise it.
Background technology
Along with display technology is constantly progressive, all devices are, thin thickness little towards volume, the trend development such as lightweight all, thus at present on the market the display equipment of main flow by cathode-ray tube (CRT) in the past, develop into liquid crystal display.Particularly, the applicable field of liquid crystal display is quite a lot of, the display devices such as the mobile phone such as using in daily life, notebook computer, video camera, camera, music player, action navigation device, TV, its display panel is used display panels more.
Wherein, the brightness of display panels, contrast, color, visible angle are for determining the major parameter of liquid crystal display viewing effect.Along with the development of liquid crystal display, the panel in main flow or exploitation can be divided at present: twisted nematic (TN), vertical orientation type (VA), planar alignment type (IPS) isotype.
Wherein, vertical alignment-type liquid crystal display panel need help the Liquid Crystal Molecules Alignment of injecting by both alignment layers, and reach, adjusts the effect that light and shade shows.Yet; owing to thering is pattern on thin film transistor (TFT) (TFT) substrate and colored filter (CF) substrate; and general both alignment layers mostly is uniform thickness coating; therefore the poor situation of the alignment layer surface section of having occurs; and this section of difference will cause the abnormal or monomer aggregation of brushing, and have influence on the orientation of liquid crystal.
In view of this, need at present a kind of abnormal or display panels of monomer aggregation of both alignment layers brushing that improves of development badly, abnormal to improving LCD alignment, and then promote the display effect of display panels.
Utility model content
The liquid crystal display that the purpose of this utility model is to provide a kind of display panels and comprises it, to improve the problem that LCD alignment is abnormal, and then the display effect of lifting display panels and device.
The invention also discloses the preparation method of above-mentioned display panels, it can produce aforesaid display panels.
For achieving the above object, of the present utility model one implements aspect provides a kind of display panels, comprising: a first substrate, has a first surface; One second substrate, is oppositely arranged with first substrate; One liquid crystal layer, is located between first substrate and second substrate; One first both alignment layers, is located on first substrate and has a second surface and one the 3rd surface, and wherein second surface is towards first substrate, and the 3rd surface is adjacent to liquid crystal layer; And at least one sept, be located between first substrate and second substrate.Wherein, first substrate comprises a first area, a second area and one the 3rd region, sept is corresponding to first area, the second surface of the first both alignment layers on second area and the distance between the first surface of first substrate are less than the second surface of the first both alignment layers on the 3rd region and the distance between the first surface of first substrate, the first both alignment layers on second area and the 3rd region has respectively one first thickness and one second thickness, and the first thickness is greater than the second thickness.
Generally speaking, stacking on the first substrate of display panels have a multiple assembly with differing heights.Therefore; in display panels of the present utility model; although the distance between the second surface of the first both alignment layers and the first surface of first substrate (in brief; i.e. distance between the first both alignment layers and first substrate) on second area and the 3rd region, be not identical; but by the thickness of adjusting the first both alignment layers; can make the 3rd surface height difference of the first both alignment layers on second area and the 3rd region drop to minimum; and then improve the abnormal or problem of monomer aggregation of both alignment layers brushing, and promoted the display effect of display panels.Particularly, in the display panels of this enforcement aspect, distance between the distance between the 3rd surface of the first both alignment layers on second area and the first surface of first substrate and the 3rd surface of the first both alignment layers on the 3rd region and the first surface of first substrate, both range differences can significantly reduce.
In this, implement in aspect, on the second area of first substrate, can be provided with a pixel electrode, on the 3rd region of first substrate, can be provided with a data line and one scan line, wherein the first both alignment layers on pixel electrode has the first thickness, and data line and sweep trace the first both alignment layers on one of them has the second thickness, and the first thickness is greater than the second thickness.
In addition, of the present utility model another implemented aspect a kind of display panels is provided, and comprising: a first substrate, is provided with a pixel electrode district Ji Yifei pixel electrode district; One second substrate, is oppositely arranged with first substrate; One first both alignment layers, is located in pixel electrode district Ji Fei pixel electrode district; And a liquid crystal layer, be located between first substrate and second substrate.Wherein, the first both alignment layers in pixel electrode district has one first thickness, and the first both alignment layers in non-pixel electrode district has one second thickness, and the first thickness is greater than the second thickness.
More specifically, in this, implement in the display panels of aspect, pixel electrode district comprises an open region and a non-open region, wherein, the first both alignment layers on the open region in pixel electrode district has one first thickness, the first both alignment layers in non-pixel electrode district has one second thickness, and the first thickness is greater than the second thickness.
In this aspect, Huo Qi open region, pixel electrode district can comprise a pixel electrode, but not pixel electrode district can comprise a data line and one scan line, wherein the first both alignment layers on pixel electrode has the first thickness, data line and sweep trace the first both alignment layers on one of them has the second thickness, and the first thickness is greater than the second thickness.
Generally speaking, the data line of display panels and/or the thickness of sweep trace are all greater than the thickness of pixel electrode.In display panels of the present utility model; by by pixel electrode (particularly; the first Thickness Design of the first both alignment layers the pixel electrode in the open region in pixel electrode district) becomes to be greater than data line and/or scans the second thickness of the first online both alignment layers; and can reduce on pixel electrode with data line and/or scan the difference in height of the first online alignment layer surface; and then improve the abnormal or problem of monomer aggregation of both alignment layers brushing, and must promote the display effect of display panels.
In addition, the utility model also provides a kind of preparation method of foregoing liquid crystal display panel, comprise: a first substrate and a second substrate are provided, wherein first substrate has a first surface and comprises a first area, a second area and one the 3rd region, and second substrate and first substrate are oppositely arranged; Form one first both alignment layers, be located on first substrate and there is a second surface and one the 3rd surface, wherein second surface is towards first substrate, the second surface of the first both alignment layers on second area and the distance between the first surface of first substrate are less than the second surface of the first both alignment layers on the 3rd region and the distance between the first surface of first substrate, the first both alignment layers on second area and the 3rd region has respectively one first thickness and one second thickness, and the first thickness is greater than the second thickness; And inject a liquid crystal layer between first substrate and second substrate.More specifically, on the second area of first substrate, can be provided with a pixel electrode to form a pixel electrode district, on the 3rd region of first substrate, can be provided with a data line and one scan line to form Yi Fei pixel electrode district, wherein the first both alignment layers on the pixel electrode in the open region in pixel electrode district has the first thickness, data line in Qie Fei pixel electrode district and sweep trace the first both alignment layers on one of them has the second thickness, and the first thickness is greater than the second thickness.In addition, between first substrate and second substrate, be also provided with at least one sept, and this sept is corresponding to the first area of first substrate.
In the preparation method of display panels of the present utility model, can use the conventional patterning means in this area, so that both alignment layers patterning and there is different-thickness.For example, can use the relief printing plate (APR version) with special microstructure, in transfer printing mode, directly produce the both alignment layers of patterning; Or first form the both alignment layers with uniform thickness, then via gold-tinted lithography to produce the both alignment layers of patterning; Or first coating has the both alignment layers of uniform thickness, the first mode patterning both alignment layers with impression before solidifying, then after both alignment layers is solidified.Yet both alignment layers patterning mode of the present utility model is not limited to this little means.
In display panels of the present utility model and preparation method thereof, as long as first thickness (T1) of the first both alignment layers is greater than second thickness (T2) of the first both alignment layers, can improve the abnormal problem of light orientation.Be preferably the ratio (T1/T2) (1≤T1/T2≤10) between 1 to 10 between the first thickness and the second thickness; More preferably between 1 to 5 (1≤T1/T2≤5); And between 2 to 4 (2≤T1/T2≤4) best.Yet this Thickness Ratio can, according to the distance between the first surface of the first both alignment layers second surface and first substrate, as pixel electrode, data line and the sweep trace distance apart from first substrate, and be adjusted, and be not limited only within the scope of this Thickness Ratio to some extent.
In display panels of the present utility model and preparation method thereof, except traditional display panels being formed by thin film transistor base plate and colored filter substrate, also can be applicable to the display panels of color filter sheet integrated transistor substrate (color filter on array, COA).
In COA display panels, also comprise a colored light-filtering units, be located on first substrate and between between first substrate and the first both alignment layers, and can be also provided with one second protective seam in colored light-filtering units.More specifically, sequentially stacking chromatic colour filter unit, the second protective seam, pixel electrode and the first both alignment layers on first substrate.In addition, be also provided with black matrix" on second substrate, wherein the second both alignment layers is located on second substrate and black matrix", and the second both alignment layers on black matrix" has one the 4th thickness.Moreover, between first substrate and second substrate, can also have sept, this sept is corresponding to black matrix"; Be preferably, sept is located on second substrate.When first substrate and second substrate are during to group, sept can be located between first substrate and second substrate, so that form a predetermined space between first substrate and second substrate, in order to follow-up liquid crystal molecule, injects.When first substrate is provided with sept, the first both alignment layers covers on this sept and has one the 3rd thickness, and the 3rd thickness is less than the first thickness and the second thickness.Preferably situation is, second substrate is provided with sept, and the second both alignment layers covers on sept and has one the 3rd thickness, and the 3rd thickness is less than the 4th thickness of the second both alignment layers on black matrix"; Meanwhile, the 3rd thickness is also less than the first thickness and the second thickness.Under part situation, the 3rd thickness of the both alignment layers on sept levels off to 0nm, almost measures less than this 3rd thickness.
In display panels of the present utility model and preparation method thereof, on first substrate, be also provided with a thin-film transistor component and one first protective seam, thin-film transistor component comprises: a grid, one insulation course, semi-conductor layer, one source pole and a drain electrode, insulation course cover gate wherein, semiconductor layer is located on insulation course, source electrode and drain electrode are located on semiconductor layer, source electrode and drain electrode at a distance of a preset distance to form a channel region, the first protective seam covers this thin-film transistor component and has an opening to appear drain electrode, pixel electrode is located on the first protective seam and to opening and is extended to be electrically connected with drain electrode, wherein the first both alignment layers in opening has one the 5th thickness, and the 5th thickness is greater than the first thickness.In addition,, in COA display panels, the 5th thickness is all greater than the first thickness and the second thickness.At this, in formed the first protective seam of first substrate, except cover film transistor component, go back cover data line and sweep trace.
In addition, in display panels of the present utility model and preparation method thereof, both alignment layers (comprising the first both alignment layers and the second both alignment layers) material there is no particular restriction, can be the conventional alignment layer material of the art, as pi (polyimide, PI), polyvinyl cinnamate (polyvinylcinnamate, PVCN) and polymethylmethacrylate (polymethylmethacrylate, but the utility model is not limited only to this PMMA) etc..Be preferably, alignment layer material of the present utility model is to use pi.
In display panels of the present utility model and preparation method thereof, except design both alignment layers (comprising the first both alignment layers and the second both alignment layers) thickness, also can form at least one raised structures, at least one protuberantia or its combination in alignment layer surface.Be preferably, first substrate comprises a viewing area and a non-display area, and aforesaid raised structures and protuberantia are to be located at corresponding in the first both alignment layers on the non-display area of first substrate.In addition, second substrate also can comprise a viewing area and a non-display area, and it is mutually corresponding with non-display area with the viewing area of first substrate respectively, and aforesaid raised structures and protuberantia are also located at corresponding in the second both alignment layers on the non-display area of second substrate.Be preferably, aforesaid raised structures and protuberantia are located at the fringe region of the first both alignment layers and/or the second both alignment layers.By the design of raised structures and protuberantia, can strengthen both alignment layers edge to substrate pressure and the adhesion of (comprising first substrate and second substrate), reduce alignment layer material overflow and the problem of contracting film when curing, and then prevent that both alignment layers from having displacement situation to produce.
Wherein, no matter be the first both alignment layers or the second both alignment layers, the raised structures that the material of both alignment layers can arrange with its top and/or the material of protuberantia are identical.In addition, raised structures and/or protuberantia are preferably one-body molded with both alignment layers.At this, can use the relief printing plate or the light shield that have corresponding to the special microstructure of raised structures and/or protuberantia, so that both alignment layers forms with its set raised structures in top and/or protuberantia or separates formation simultaneously.At this, so-called " raised structures " refers to that projection top surpasses 30nm apart from alignment layer surface height; And so-called " protuberantia " refers to that projection top is less than 30nm apart from alignment layer surface height.In addition,, in the utility model, raised structures has an out-of-flatness surface, or raised structures has a mountain ridge-like structure.
In display panels of the present utility model and preparation method thereof, the viscosity of alignment layer material is relevant with the degree of polymerization or the kind of polymkeric substance.For example, when using same polymeric material, when the degree of polymerization is higher, alignment layer material has higher viscosity.Therefore, in an enforcement aspect of the present utility model, both alignment layers is to use to have full-bodied material, as: the polymkeric substance that molecular weight is larger.Under this situation, also can form at least one raised structures, at least one protuberantia or its combination in alignment layer surface.Be preferably, in alignment layer surface, be formed with raised structures and protuberantia simultaneously.In addition, when alignment layer surface is formed with raised structures, the height of raised structures (more specifically, the top of raised structures is apart from the height on both alignment layers one surface) and adjacent to the thickness ratio of the both alignment layers of raised structures between 2～10.In of the present utility model another, implement in aspect, both alignment layers is to use to have the material compared with low-viscosity, as: the polymkeric substance of molecular weight.Under this situation, in alignment layer surface, can form protuberantia; In addition, in the edge of both alignment layers, can also there is at least one warp architecture.At this, so-called " warp architecture " can comprise by camber, broken line type, undaform or its and combine formed structure.
In display panels of the present utility model and preparation method thereof, both alignment layers (comprising the first both alignment layers and the second both alignment layers) optionally comprises a plurality of particles.Wherein, the particle size of being located at non-display area is greater than the particle size of being located at viewing area.At this, so-called " particle " can, as nucleus, crystal, crystal grain or aggregation etc., belong in the defined scope of the utility model particle as long as there is noticeable particle shape to be formed in both alignment layers.Particularly, in part, implement in aspect, protuberantia is except making the relief printing plate of the special microstructure of apparatus or light shield form, and the plural particle of also can serving as reasons is assembled the microstructure causing.
In addition, in display panels of the present utility model and preparation method thereof, also use a frame glue so that first substrate and second substrate to group.Therefore, display panels of the present utility model also comprises a frame glue, between first substrate and second substrate.Wherein, the frame glue both alignment layers of cover part optionally; More specifically, frame glue optionally covers the fringe region of both alignment layers.While being also provided with raised structures and/or protuberantia in both alignment layers, frame glue is preferably and covers raised structures and/or protuberantia; Due to the design of raised structures and/or protuberantia, can increase the contact area of frame glue and both alignment layers, and then reduce the situation generation that frame glue and both alignment layers are peeled off.
Except aforesaid display panels, the utility model also provides a liquid crystal display, comprising: a backlight module; And aforesaid display panels, be located on this backlight module.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the display panels of the utility model one preferred embodiment.
Fig. 2 is the part schematic diagram of its top structure of first substrate of the display panels of the utility model one preferred embodiment.
Fig. 3 A to Fig. 3 C is the first substrate of display panels and the diagrammatic cross-section of top structure thereof of the utility model one preferred embodiment.
Fig. 4 is the second substrate of display panels and the diagrammatic cross-section of top structure thereof of the utility model one preferred embodiment.
Fig. 5 is first both alignment layers of display panels of the utility model one preferred embodiment schematic diagram on first substrate.
Fig. 6 A to Fig. 6 D is that first both alignment layers of display panels of the utility model one preferred embodiment is in the diagrammatic cross-section of non-display area.
Fig. 7 A to Fig. 7 C is that first both alignment layers of display panels of the utility model one preferred embodiment is in the diagrammatic cross-section of non-display area.
Fig. 8 A is first both alignment layers of display panels of the utility model one preferred embodiment and the schematic diagram between frame glue.
Fig. 8 B is first both alignment layers of display panels of the utility model one another preferred embodiment and the schematic diagram between frame glue.
Fig. 9 is the schematic diagram of the first both alignment layers of the display panels of the utility model one preferred embodiment.
Figure 10 is first both alignment layers of display panels of another preferred embodiment of the utility model part schematic diagram on first substrate.
Figure 11 is the schematic diagram of liquid crystal display of the present utility model.
Primary clustering symbol description in accompanying drawing:
11 first substrates, 111 first surfaces, 12 sweep traces, 13 data lines, 14 film crystal pipe units, 141 grids, 142 insulation courses, 143 semiconductor layers, 1441 source electrodes, 1442 drain electrodes, 1443 channel regions, 145 first protective seams, 146 second protective seams, 147 connection opening, 15 pixel electrodes, 16 first both alignment layers, 161 raised structures, 162 protuberantias, 163 surfaces, 164 particles, 165 second surfaces, 166 the 3rd surfaces, 17 storage electrodes, 21 second substrates, 221, 222 colored light-filtering units, 223 chromatic filter layer openings, 23 black matrix"s, 24 the 3rd protective seams, 25 common electrode layer, 26 second both alignment layers, 3 septs, 4 liquid crystal layers, 5 frame glue, 6 wirings, 7 liquid crystal displays, D viewing area, D1, D2, D3 distance, H1 height, N non-display area, O open region, the non-open region of O ', P fringe region, Px pixel electrode district, the non-pixel electrode of Px ' district, R2 second area, R3 the 3rd region, T thickness, T1 the first thickness, T2 the second thickness, T3 the 3rd thickness, T5 the 5th thickness, T6 the 6th thickness.
Embodiment
Be below, by particular specific embodiment, embodiment of the present utility model is described, those skilled in the art can understand other advantages of the present utility model and effect easily by content disclosed in the present specification.The utility model also can be implemented or be applied by other different specific embodiments, and the every details in this instructions also can, for different viewpoints and application, be carried out various modifications and also become under not departing from spirit of the present utility model.
As shown in Figure 1, be the schematic diagram of the display panels of the utility model one preferred embodiment.The display panels of the present embodiment is that the display panels of a color filter sheet integrated transistor substrate (color filter on array, COA) comprising: a first substrate 11, a second substrate 21, plural sept 3, a liquid crystal layer 4 and a frame glue 5.Wherein, first substrate 11 is oppositely arranged with second substrate 21, and sept 3 and liquid crystal layer 4 are located at 21 of first substrate 11 and second substrates, and first substrate 11 and second substrate 21 are undertaken group by frame glue 5.Fig. 1 omits each modular construction on first substrate 11 and second substrate 21 at this; Next, the first substrate 11 of display panels of the present utility model and modular construction of second substrate 21 and top thereof and preparation method thereof will be described respectively in detail.
First, as shown in Figure 2, be the part schematic diagram of its top structure of first substrate of the thin film transistor base plate of the display panels of the present embodiment.The present embodiment thin film transistor base plate comprises: a first substrate (not shown), top is provided with one scan line 12, a data line 13, a film crystal pipe unit 14, a pixel electrode 15 and a storage electrode 17.At this, with two adjacent sweep trace 12 and two adjacent data lines 13, define a pixel cell; In a pixel cell, comprise a film crystal pipe unit 14, a pixel electrode 15 and a storage electrode 17, and pixel electrode 15 is located at 13 of two adjacent sweep traces 12 and two adjacent data lines.At this, the material of sweep trace 12, data line 13, storage electrode 17 can be used the conventional conductive material in this area, electrode material as conventional in metal, alloy, metal oxide, metal oxynitride or other field; And be preferably metal material.
Then as shown in Figure 3A, be, the first substrate of the display panels of the present embodiment and top structure thereof the diagrammatic cross-section along the A-A ' profile line of Fig. 2.The present embodiment thin film transistor base plate comprises: a first substrate 11, a data line 13, one scan line (not shown) and a film crystal pipe unit 14, wherein, data line 13, sweep trace (not shown) and a film crystal pipe unit 14 are located on first substrate 11.In film crystal pipe unit 14, comprising: a grid 141, be located on this first substrate 11; One insulation course 142 (also can be referred to as gate insulator), cover gate 141 and first substrate 11; Semi-conductor layer 143, is located on insulation course 142; One source pole 1441 and one drain electrode 1442, be located on semiconductor layer 143, wherein source electrode 1441 and drain electrode 1442 at a distance of a preset distance to form a channel region 1443.At this, insulation course 142 is while cover data line 13 and sweep trace (not shown) also.In the present embodiment, film crystal pipe unit 14 can adopt known thin film transistor (TFT) processing procedure to make, therefore do not repeat them here.In addition, first substrate 11 is used the conventional substrate in this area, as glass substrate, plastic base, silicon substrate and ceramic substrate etc.Moreover the material of grid 141 can be used the conventional conductive material in this area, electrode material as conventional in metal, alloy, metal oxide, metal oxynitride or other field; And be preferably metal material, but the utility model is not limited only to this.As for the material of insulation course 142, can adopt the conventional gate insulator layer material in this area, as silicon nitride (SiN); And semiconductor layer 143 also can adopt the conventional semiconductor layer material in this area, comprising: amorphous silicon, polysilicon, as organic material of P13, DH4T, pentaphene ring etc.; Yet the utility model is not limited in this.
After forming data line 13, sweep trace (not shown) and film crystal pipe unit 14, as shown in Figure 3A, also form one first protective seam 145, cover data line 13, sweep trace (not shown) and thin-film transistor component 14; Also form colored light-filtering units 221,222, cover the first protective seam 145, adjacent colored light-filtering units 221,222nd wherein, is formed by the chromatic photoresist of different colours; Then, also form one second protective seam 146, cover colored light-filtering units 221,222.Then, in colored light-filtering units 221,222, the first protective seam 145 and the second protective seam 146, form a connection opening 147 to appear drain electrode 1442 simultaneously.Then, form a pixel electrode 15, it is located on the second protective seam 146 and to connection opening 147 and extends to be electrically connected with drain electrode 1442.At this, the material of the first protective seam 145 and the second protective seam 146 can be this area conventional as the passivation material of monox.In addition, pixel electrode 15 can be the conventional patterned electrode layer in this area, as rice word electrode or zigzag electrode; And the material of pixel electrode 15 can be the conventional transparent conductive material in this area, as the transparent electrode material of the metal oxides such as ITO, IZO.
Finally, as shown in Figure 3A, on the second protective seam 146 and pixel electrode 15, be also coated with a smooth orientation monomer, after solidifying, can form one first both alignment layers 16.In the present embodiment, the first both alignment layers 16 does not have uniform thickness, but along with the first both alignment layers 16 below modular construction height, and the thickness of adjustment the first both alignment layers 16 makes the difference of height (section is poor) on the first both alignment layers 16 surfaces can drop to minimum.At this, can use the relief printing plate (APR version) with special microstructure, in transfer printing mode, directly produce the both alignment layers of patterning; Or first form the both alignment layers with uniform thickness, then via gold-tinted lithography to produce the both alignment layers of patterning; Or first coating has the both alignment layers of uniform thickness, before solidifying, first with the mode patterning both alignment layers of impression, both alignment layers is had after different-thickness, then after both alignment layers is solidified.Yet both alignment layers patterning mode of the present utility model is not limited to this little means.After aforementioned technique, complete the thin film transistor base plate of the present embodiment.Next, the Thickness Design of first both alignment layers 16 of the present embodiment will be described in detail.
As shown in Figure 3A, first substrate 11 tops are provided with a pixel electrode district PxJi Yifei pixel electrode district Px ', wherein so-called pixel electrode district Px is corresponding to the region that is provided with pixel electrode 15, but not pixel electrode district Px ' is corresponding to not being provided with the region of pixel electrode 15 and being provided with data line 13 and sweep trace (not shown).More specifically, pixel electrode district Px shown in Fig. 3 A comprises an open region O and a non-open region O ', the region that wherein so-called open region O does not overlap with thin-film transistor component 14 corresponding to pixel electrode 15, is provided with thin-film transistor component 14 regions but not open region O ' is pixel electrode 15 belows.Wherein, the first both alignment layers 16 on pixel electrode district Px (the particularly open region O of pixel electrode district Px) has one first thickness T 1, the first both alignment layers 16 on non-pixel electrode district Px ' has one second thickness T 2, and the first thickness T 1 is greater than the second thickness T 2.Be preferably the ratio (T1/T2) (1≤T1/T2≤10) between 1 to 10 that the first thickness T 1 and the second thickness T are 2; Better is between 1 to 5 (1≤T1/T2≤5); And the best is between 2 to 4 (2≤T1/T2≤4).In the present embodiment, the first thickness T 1 can be between 0.1 μ m to 0.2 μ m, and the second thickness T 2 can be between 0.01 μ m to 0.08 μ m.
Yet the utility model is not limited in aforementioned thicknesses scope, so long as the thickness of higher the first both alignment layers 16 of the first both alignment layers 16 below modular construction is thinner, can reach the object that the utility model reduces the first both alignment layers 16 surperficial differences of height.More specifically, as shown in Figure 3A, first substrate 11 has a first surface 111, the first both alignment layers 16 has a second surface 165 (lower surface) and one the 3rd surface 166 (upper surface), wherein second surface 165 is towards first substrate 11, and the 3rd surface 166 is adjacent to liquid crystal layer (not shown).At this, that to define the region that first substrate 11 is provided with a pixel electrode 15 (particularly open region O) be second area R2, and be provided with a data line 13 and one scan line (not shown) and colored light-filtering units 221,222 crossover places, be the 3rd region R3.If the first surface 111 of first substrate 11 of take is benchmark, the distance D 1 that the second surface 165 of the first both alignment layers 16 of the first substrate 11 on second area R2 and the first surface of first substrate 11 are 111 is less than the distance D 2 of 111 of the second surface 165 of the first both alignment layers 16 on the 3rd region R3 and the first surfaces of first substrate 11, the first both alignment layers 16 on second area R2 and the 3rd region R3 has respectively one first thickness T 1 and one second thickness T 2, and the first thickness T 1 is greater than the second thickness T 2.Particularly, in the display panels of the present embodiment, the distance that the distance that the 3rd surface 166 of the first both alignment layers 16 on second area R2 and the first surface of first substrate 11 are 111 and the 3rd surface 166 of the first both alignment layers 16 on the 3rd region R3 and the first surface of first substrate 11 are 111, both range differences can significantly reduce.
At this, second area R2 shown in Fig. 3 A and the 3rd region R3 are only for explanation, other parts on first substrate 11, second area R2 and the 3rd region R3 are not limited only to the region shown in Fig. 3 A, as long as the distance D 1 meeting on second area R2 is less than the distance D 2 on the 3rd region R3.In addition, only with data line area part, illustrate, yet those skilled in the art all understand at this, the first both alignment layers Thickness Design identical with data line region also can be used in sweep trace region.
In addition, as shown in Figure 3A, the first both alignment layers 16 in connection opening 147 has one the 5th thickness T 5.If the first surface 111 of first substrate 11 of take is benchmark, the distance D 3 that the second surface 165 of the first both alignment layers 16 in connection opening 147 and the first surface of first substrate 11 are 111 is all less than aforesaid distance D 1 and distance D 2, therefore to reduce the problem of the 3rd surperficial 166 differences of height (section is poor) of the first both alignment layers 16 in order reaching, also to design the 5th thickness T 5 at this and be greater than the first thickness T 1 and the second thickness T 2.
Moreover; in another preferred embodiment; as shown in Figure 3 B; when forming colored light-filtering units 221; after 222; first form a chromatic filter layer opening 223, then form the second protective seam 146 to cover the sidewall of chromatic filter layer opening 223, then in the first protective seam 145 and the second protective seam 146, form a connection opening 147 to appear drain electrode 1442 simultaneously.In a preferred embodiment again; as shown in Figure 3 C; colored light-filtering units 221 is only formed between thin-film transistor component 14 and data line 13, sweep trace (not shown), in thin-film transistor component 14 and data line 13, sweep trace (not shown), directly covers the second protective seam 146.In other embodiment shown in Fig. 3 B and Fig. 3 C, the Thickness Design of the first both alignment layers 16 as hereinbefore, therefore do not repeat them here.
Then as shown in Figure 4, be, the second substrate of display panels and the diagrammatic cross-section of top structure thereof of the present embodiment.On second substrate 21, be sequentially provided with black matrix" 23, the 3rd protective seam 24, common electrode layer 25, sept 3 and the second both alignment layers 26; wherein the 3rd protective seam 24 covers black matrix" 23 and second substrate 21; common electrode layer 25 covers the 3rd protective seam 24; and sept 3 is arranged in common electrode layer 25 and corresponding to black matrix" 23, and the second both alignment layers 26 is located in sept 3 and common electrode layer 25.At this, the set position of black matrix" 23 and sept 3 is corresponding to the film crystal pipe unit 14 shown in Fig. 3 A to 3C.Wherein, the 3rd protective seam 24 materials are identical with the first protective seam 145 and second protective seam 146 (as shown in Figure 3A) material of first substrate 11, therefore do not repeat them here.In addition, the common electrode layer 25 of the present embodiment can be the conventional plate electrode layer of the art, and its material can be the conventional transparent conductive material in this area, as the transparent electrode material of the metal oxides such as ITO, IZO.In addition, the common electrode layer 25 of the present embodiment can be the conventional plate electrode layer in this area, and its material can be the conventional transparent conductive material in this area, as the transparent electrode material of the metal oxides such as ITO, IZO.Moreover second both alignment layers 26 of the present embodiment is to adopt and the first both alignment layers same procedure preparation, therefore do not repeat them here.What need pay special attention to is, second both alignment layers 26 of the present embodiment does not also have uniform thickness, but along with the second both alignment layers 26 below modular construction height, and the thickness of adjustment the second both alignment layers 26 makes the difference of height (section is poor) on the second both alignment layers 26 surfaces can drop to minimum.Next, the Thickness Design of second both alignment layers 26 of the present embodiment will be described in detail.
As shown in Figure 4, the second both alignment layers 26 on sept 3 has one the 3rd thickness T 3, the second both alignment layers 26 on black matrix" 23 has one the 4th thickness T 4, and the second both alignment layers 26 on second substrate 21 has one the 6th thickness T 6, and the 6th thickness T 6 is greater than the 4th thickness T 4, and the 4th thickness T 4 is greater than the 3rd thickness T 3.If by the first both alignment layers 16 Thickness Ratios on sept 3 and first substrate 11 compared with time (please also refer to Fig. 3 A), the 3rd thickness T 3 is less than the first both alignment layers 16 thickness on pixel electrode district PxJi Fei pixel electrode district Px '.In part embodiment, on sept 3, the 3rd thickness T 3 of the second both alignment layers 26 is quite thin, even levels off to 0nm (being that is, that electron microscope (SEM) also cannot measure and obtain to scan).
In the present embodiment, both alignment layers (comprising the first both alignment layers 16 and the second both alignment layers 26) material there is no particular restriction, can be the conventional alignment layer material in this area, as pi (polyimide, PI), polyvinyl cinnamate (polyvinylcinnamate, but the utility model is not limited only to this PVCN) and polymethylmethacrylate (polymethylmethacrylate, PMMA) etc..Be preferably, the alignment layer material of the present embodiment is to use to have full-bodied pi.
After completing aforesaid first substrate 11, second substrate 21 and top all component thereof, as shown in Figure 1, by 21 pairs of groups of first substrate 11 and second substrate and engage with frame glue 5, and form liquid crystal layer 4 after injecting liquid crystal molecule, complete the display panels of the present embodiment.Wherein, in order to promote the adhesion of the first both alignment layers 16 and the second both alignment layers 26 and frame glue 5 (please also refer to Fig. 1, Fig. 3 A to 3C and Fig. 4), first both alignment layers 16 of the present embodiment and the fringe region of the second both alignment layers 26 are also designed with a microstructure.Next, the microstructure of first both alignment layers 16 of the present embodiment and the fringe region of the second both alignment layers 26 will be described in detail; Wherein, the fringe region of the first both alignment layers 16 and the second both alignment layers 26 can have identical or different design, at this, only with the first both alignment layers 16, is illustrated, and the second both alignment layers 26 parts repeat no more.
Fig. 5 is first both alignment layers of display panels of the present embodiment schematic diagram on first substrate 11.As shown in Figure 5, in the display panels of the present embodiment, the first both alignment layers 16 is located at first substrate 11, and the fringe region P of the first both alignment layers 16 is also provided with a raised structures 161 and plural protuberantia 162.If when first substrate 11 is defined to viewing area D and non-display area N, the raised structures 161 in the first both alignment layers 16 and protuberantia 162 are located on the non-display area N of first substrate.In the present embodiment, the material of the first both alignment layers 16 is identical with the material of raised structures 161 and protuberantia 162, and raised structures 161 and protuberantia 162 is one-body molded with this first both alignment layers 16.At this, can use relief printing plate or a light shield corresponding with the pattern of the raised structures 161 of the first both alignment layers 16 and top thereof, when forming the first both alignment layers 16, form raised structures 161; And also can use relief printing plate or a light shield corresponding with the raised structures 161 of the first both alignment layers 16 and top thereof and the pattern of protuberantia 162, when forming the first both alignment layers 16, form raised structures 161 and protuberantia 162.Yet in other embodiment, protuberantia 162 can be without forming with relief printing plate or a light shield corresponding with the pattern of protuberantia 162, but the particle (comprising nucleus, crystal, crystal grain or aggregation) producing during by alignment layer material polymerization forms.
The first both alignment layers of the display panels that Fig. 6 A to Fig. 6 D is the present embodiment is in the diagrammatic cross-section along B-B ' profile line of Fig. 5 non-display area N.As shown in Figure 6A, the height H 1 on a surface 163 of raised structures dip distance the first both alignment layers 16 in the first both alignment layers 16 and adjacent to the thickness T ratio of the both alignment layers 16 of raised structures 161 between 2～10.At this, height H 1 can be between between 150nm to 300nm, and thickness T can be between between 10nm to 100nm; Yet, the utility model is not limited in aforementioned thicknesses scope, as long as raised structures 161 has one significantly highly in the first both alignment layers 16, can reach and strengthen both alignment layers edge to the pressure of substrate and adhesion, reduce alignment layer material overflow and the problem of contracting film when curing, and then prevent that both alignment layers from having displacement situation to produce.In addition, 161 sides of the raised structures in the first both alignment layers 16 are also provided with plural protuberantia 162; At this, the height H 2 of protuberantia 162 can be between between 5nm to 30nm, but the utility model is not limited in this.Moreover the raised structures 161 shown in Fig. 6 A has the side with surface 163 perpendicular to the first both alignment layers 16; Yet in other embodiment, the dual-side of raised structures 161 is an inclined-plane (as shown in Figure 6B) all; Or raised structures 161 is circular-arc (as shown in Figure 6 C); Or a side of raised structures 161 is perpendicular to the surface 163 (as shown in Figure 6 D) of the first both alignment layers 16; Yet the utility model is not limited in this.In addition, the raised structures shown in Fig. 6 A to Fig. 6 D 161 all represents with a flat surface; Yet in other embodiment, raised structures 161 can have an out-of-flatness surface, as mountain ridge-like structure.
The first both alignment layers of the display panels that Fig. 7 A to Fig. 7 C is the present embodiment is in the diagrammatic cross-section along C-C ' profile line of Fig. 5 non-display area N.Generally speaking, the non-display area N of display panels is provided with wiring, and first both alignment layers 161 of the present embodiment can be also located in the wiring 6 of non-display area N.
When the display panels of the present embodiment encapsulates with frame glue 5, the relation system that the raised structures 161 of the first both alignment layers 16 and frame glue are 5 as shown in Figure 8 A.By this raised structures 161 is set, can frame glue 5 can cover this raised structures 161 and increase the contact area with the first both alignment layers 16, and then reduce the situation generation that frame glue 5 and the first both alignment layers 16 are peeled off.Meanwhile, as shown in Figure 8 A, first substrate 11 outer rims protrude from outside frame glue 5.
Yet in another preferred embodiment of the present utility model, first substrate 11 outer rims can trim with frame glue 5, as shown in Figure 8 B.In addition,, in this another preferred embodiment, the alignment layer material using is to use the pi with low-viscosity; Although therefore cannot form the raised structures 161 as Fig. 8 A, the edge of formed the first both alignment layers 16 forms a particular curve structure, as Wave-shaped structural, as shown in figure 10.
No matter first both alignment layers 16 with raised structures 161 and protuberantia 162 as shown in Figure 5 or first both alignment layers 16 with protuberantia 162 and Wave-shaped structural edge as shown in figure 10, the first both alignment layers 16 is interior all may produce a plurality of particles 164, these a little particles can be the first both alignment layers 16 formed nucleus, crystal, crystal grain or aggregation when curing, as shown in Figure 9.Particularly, particle 164 sizes of being located at non-display area N are greater than particle 164 sizes of being located at viewing area D.In addition, in other embodiment, the first both alignment layers 16 can not comprise aforementioned particles 164, or only has non-display area N to be formed with aforementioned particles 164.
At this, need special instruction, Fig. 5 to Fig. 9 only draws the first both alignment layers 16 is set on first substrate 11; Yet those skilled in the art all understand, at this, omit other assemblies (as: thin-film transistor component etc.) of 16 of first substrate 11 and the first both alignment layers.
In addition, the prepared display panels of the utility model previous embodiment also can be applicable to liquid crystal display 7, as shown in figure 11; Wherein, liquid crystal display comprises: a backlight module (not shown); And be located at the display panels (not shown) on backlight module.At this, only using the example of display as liquid crystal display, other,, as display devices such as mobile phone, notebook computer, video camera, camera, music player, action navigation device, TVs, also can use the prepared display panels of the utility model previous embodiment.
Above-described embodiment is only given an example for convenience of description, and the interest field that the utility model is advocated should be as the criterion certainly described in the claim scope of application, but not only limits to above-described embodiment.
Claims (20)
1. a display panels, is characterized in that, comprising:
One first substrate, is provided with a pixel electrode district Ji Yifei pixel electrode district;
One second substrate, is oppositely arranged with this first substrate;
One first both alignment layers, is located in this pixel electrode district Ji Gaifei pixel electrode district; And
One liquid crystal layer, is located between this first substrate and this second substrate;
Wherein, this first both alignment layers in this pixel electrode district has one first thickness, and this first both alignment layers in Gai Fei pixel electrode district has one second thickness, and this first thickness system is greater than this second thickness.
2. display panels as claimed in claim 1, it is characterized in that, this pixel electrode district comprises a pixel electrode, Gai Fei pixel electrode district comprises a data line and one scan line, wherein this first both alignment layers on this pixel electrode has this first thickness, and this data line and this sweep trace this first both alignment layers on one of them has this second thickness.
3. display panels as claimed in claim 1, is characterized in that, this first both alignment layers comprises a plurality of particles.
4. display panels as claimed in claim 1, is characterized in that, this first substrate comprises a viewing area and a non-display area, and at least one this particle size of being located at this non-display area is greater than at least one this particle size of being located at this viewing area.
5. display panels as claimed in claim 1, it is characterized in that, this first substrate comprises a viewing area and a non-display area, corresponding to this first both alignment layers on this non-display area of this first substrate, is provided with at least one raised structures, at least one protuberantia or its combination.
6. display panels as claimed in claim 5, is characterized in that, the material of this first both alignment layers is identical with the material of this raised structures or this protuberantia.
7. display panels as claimed in claim 5, is characterized in that, this raised structures or this protuberantia and this first both alignment layers are one-body molded.
8. display panels as claimed in claim 1, is characterized in that, the height of this raised structures and adjacent to the thickness ratio of this first both alignment layers of this raised structures between 2～10.
9. display panels as claimed in claim 1, is characterized in that, this first both alignment layers edge has at least one warp architecture.
10. display panels as claimed in claim 1, is characterized in that, comprises a frame glue, and between this first substrate and this second substrate, and part covers this first both alignment layers.
11. display panels as claimed in claim 5, is characterized in that, comprise a frame glue, and between this first substrate and this second substrate, and part covers at least one this raised structures, at least one this protuberantia or its combination.
12. display panels as claimed in claim 1, is characterized in that, this first thickness and this second thickness ratio are between 1～10.
13. display panels as claimed in claim 1, is characterized in that, comprise a colored light-filtering units, are located on this first substrate and between between this first substrate and this first both alignment layers.
14. display panels as claimed in claim 1, it is characterized in that, comprise at least one sept, a black matrix" and one second both alignment layers, wherein this black matrix" is located on this second substrate, this sept is located between this first substrate and this second substrate and corresponding to this black matrix", this second both alignment layers is located on this second substrate, this black matrix" and this sept, this second both alignment layers on this sept has one the 3rd thickness, this second both alignment layers on this black matrix" has one the 4th thickness, and the 3rd thickness is less than the 4th thickness.
15. display panels as claimed in claim 2, it is characterized in that, this first substrate is provided with a thin-film transistor component and one first protective seam, this thin-film transistor component comprises: a grid, one insulation course, semi-conductor layer, one source pole and a drain electrode, wherein this insulation course covers this grid, this semiconductor layer is located on this insulation course, this source electrode and this drain electrode are located on this semiconductor layer, this source electrode and this drain electrode at a distance of a preset distance to form a channel region, this first protective seam covers this thin-film transistor component and has an opening to appear this drain electrode, this pixel electrode is located on this first protective seam and to this opening and is extended to be electrically connected with this drain electrode, wherein the first both alignment layers of this in this opening has one the 5th thickness, and the 5th thickness is greater than this first thickness.
16. display panels as claimed in claim 1, it is characterized in that, for a liquid crystal display, wherein this liquid crystal display is a mobile phone, a notebook computer, a video camera, a camera, a music player, an action navigation device or a TV.
17. 1 kinds of display panels, is characterized in that, comprising:
One first substrate, is provided with a pixel electrode district Ji Yifei pixel electrode district;
One second substrate, is oppositely arranged with this first substrate;
One first both alignment layers, is located in this pixel electrode district Ji Gaifei pixel electrode district, and wherein this pixel electrode district comprises an open region and a non-open region; And
One liquid crystal layer, is located between this first substrate and this second substrate;
Wherein, this first both alignment layers on this open region in this pixel electrode district has one first thickness, and this first both alignment layers in Gai Fei pixel electrode district has one second thickness, and this first thickness is greater than this second thickness.
18. display panels as claimed in claim 17, it is characterized in that, this open region in this pixel electrode district comprises a pixel electrode, Gai Fei pixel electrode district comprises a data line and one scan line, wherein this first both alignment layers on this pixel electrode has this first thickness, and this data line and this sweep trace this first both alignment layers on one of them has this second thickness.
19. 1 kinds of display panels, is characterized in that, comprising:
One first substrate, has a first surface;
One second substrate, is oppositely arranged with this first substrate;
One liquid crystal layer, is located between this first substrate and this second substrate;
One first both alignment layers, is located on this first substrate and has a second surface and one the 3rd surface, and wherein this second surface is towards this first substrate, and the 3rd surface is adjacent to this liquid crystal layer; And
At least one sept, is located between this first substrate and this second substrate;
Wherein, this first substrate comprises a first area, a second area and one the 3rd region, this sept is corresponding to this first area, distance between this second surface of this first both alignment layers on this second area and this first surface of this first substrate is less than the distance between this second surface of this first both alignment layers on the 3rd region and this first surface of this first substrate, this first both alignment layers on this second area and the 3rd region has respectively one first thickness and one second thickness, and this first thickness is greater than this second thickness.
20. display panels as claimed in claim 19, it is characterized in that, on this second area of this first substrate, be provided with a pixel electrode, on the 3rd region of this first substrate, be provided with a data line and one scan line, wherein this first both alignment layers on this pixel electrode has this first thickness, and this data line and this sweep trace this first both alignment layers on one of them has this second thickness.
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| CN201420278999.1U CN203930284U (en) | 2014-05-28 | 2014-05-28 | Display panels and the liquid crystal display that comprises it |
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| CN201420278999.1U CN203930284U (en) | 2014-05-28 | 2014-05-28 | Display panels and the liquid crystal display that comprises it |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158980A (en) * | 2014-05-28 | 2015-12-16 | 群创光电股份有限公司 | Liquid crystal display panel and liquid crystal display equipment comprising the same |
| CN106125391A (en) * | 2016-08-27 | 2016-11-16 | 深圳市华星光电技术有限公司 | Display floater and display device |
| CN110473779A (en) * | 2019-06-28 | 2019-11-19 | 福建华佳彩有限公司 | A kind of novel TFT device architecture and preparation method thereof |
| CN113013609A (en) * | 2017-07-06 | 2021-06-22 | 群创光电股份有限公司 | Microwave device |
-
2014
- 2014-05-28 CN CN201420278999.1U patent/CN203930284U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158980A (en) * | 2014-05-28 | 2015-12-16 | 群创光电股份有限公司 | Liquid crystal display panel and liquid crystal display equipment comprising the same |
| CN105158980B (en) * | 2014-05-28 | 2018-07-27 | 群创光电股份有限公司 | Liquid crystal display panel and liquid crystal display comprising it |
| CN106125391A (en) * | 2016-08-27 | 2016-11-16 | 深圳市华星光电技术有限公司 | Display floater and display device |
| CN113013609A (en) * | 2017-07-06 | 2021-06-22 | 群创光电股份有限公司 | Microwave device |
| CN113013609B (en) * | 2017-07-06 | 2023-08-15 | 群创光电股份有限公司 | Microwave device |
| CN110473779A (en) * | 2019-06-28 | 2019-11-19 | 福建华佳彩有限公司 | A kind of novel TFT device architecture and preparation method thereof |
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