CN104330934A - Liquid crystal panel and liquid crystal display device utilizing same - Google Patents
Liquid crystal panel and liquid crystal display device utilizing same Download PDFInfo
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- CN104330934A CN104330934A CN201410690391.4A CN201410690391A CN104330934A CN 104330934 A CN104330934 A CN 104330934A CN 201410690391 A CN201410690391 A CN 201410690391A CN 104330934 A CN104330934 A CN 104330934A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
Abstract
The invention discloses a liquid crystal panel and a liquid crystal display device utilizing the same. The liquid crystal panel comprises a first substrate, a second substrate, a liquid crystal layer and an electrode structure. The electrode structure is arranged on the first substrate. The second substrate is actually parallel to the first substrate. The electrode structure comprises a first branch part and a second branch part. The liquid crystal layer is arranged between the first substrate and the second substrate. The first branch part comprises a plurality of first branch electrodes. Every two adjacent first branch electrodes are actually parallel to each other and spaced for a first interval. The second branch part comprises a plurality of second branch electrodes. Every two adjacent second branch electrodes are actually parallel to each other and spaced for a second interval. Any one of first branch electrodes corresponds to at least one part of one second interval. Any one of second branch electrodes corresponds to at least one part of one first interval.
Description
The application is the divisional application of No. 201010580622.8 patented claim that on Dec 9th, 2010 submits to.
Technical field
The present invention relates to a kind of liquid crystal panel and apply the liquid crystal indicator of this liquid crystal panel, and particularly relate to and a kind ofly there is the liquid crystal panel of multiple display field and apply the liquid crystal indicator of this liquid crystal panel.
Background technology
In recent years, display science and technology is flourish, makes the market demand lifting significantly of liquid crystal display.In order to occupy a tiny space in industrial community, the picture quality of liquid crystal display often becomes one of important key.At present, wide viewing angle technology little by little becomes the important indicator of the quality of assessment liquid crystal display, many display fields vertical orientation (Multi-domain Vertical Alignment, MVA) technology wherein in wide viewing angle technology is more and more attracted attention.
In general, liquid crystal display comprises two Polarizers, liquid crystal panel and backlight modules.Backlight module is in order to provide light source to liquid crystal panel, and liquid crystal panel is configured between two Polarizers.Liquid crystal panel comprises two substrates and liquid crystal layer.Liquid crystal layer is configured between two substrates.Multiple pixel electrode is configured in one of them substrate.In order to provide multiple display field, it is generally the patterned process of pixel electrode being carried out Region dividing.This sentences pixel electrode, and to comprise two symmetrical sub-electrode structures be example explanation.Each sub-electrode structure comprises main electrode and multiple branch electrode.The plurality of branch electrode is connected to main electrode in symmetrical mode.
Please refer to Fig. 1, it illustrates the partial schematic diagram of the liquid crystal director of the liquid crystal layer corresponding to a pixel electrode.When applying a voltage to pixel electrode, electric field changes the direction of liquid crystal director, be such as with Fig. 1 meta shown in the region A1 of the intersection of two sub-electrode structures.Direction due to the liquid crystal director in the A1 of region is chaotic and form node, makes the picture shown by liquid crystal panel often easily occur multiple dark line.Thus, the brightness of liquid crystal panel when showing reduces.Or the brightness that liquid crystal panel shows may be inconsistent at every turn, and the quality of impact display.In addition, the generation of dark line often increases the time that liquid crystal panel gets back to stable state.Therefore, how to provide a kind of liquid crystal display with good display quality, become one of problem of relevant dealer effort.
Summary of the invention
The present invention mainly provides a kind of liquid crystal panel and applies its liquid crystal indicator, and it can reduce dark line and produce, improves the time that stable state is got back in brightness and shortening, quality during to improve display frame and increase the competitive power of product.
According to an aspect of the present invention, propose a kind of liquid crystal panel, comprise first substrate, second substrate, liquid crystal layer and electrode structure.Second substrate is substantially parallel to first substrate.Liquid crystal layer is between first substrate and second substrate.Electrode structure is configured on first substrate.Electrode structure comprises first cadre and second cadre.First cadre comprises multiple first branch electrode.Adjacent pairs in the plurality of first branch electrode is parallel to each other in fact, and at a distance of the first interval.Second cadre comprises multiple second branch electrode.Adjacent pairs in the plurality of second branch electrode is parallel to each other in fact, and at a distance of the second interval.Any one first branch electrode corresponds to second interval at least partially, and any one second branch electrode corresponds to first interval at least partially.
According to a further aspect in the invention, propose a kind of liquid crystal indicator, comprise liquid crystal panel and backlight module.Backlight module gives liquid crystal panel, with show image in order to provide light.Liquid crystal panel comprises first substrate, second substrate, liquid crystal layer and electrode structure.Second substrate is substantially parallel to first substrate.Liquid crystal layer is between first substrate and second substrate.Electrode structure is configured on first substrate.Electrode structure comprises first cadre and second cadre.First cadre comprises multiple first branch electrode.Adjacent pairs in the plurality of first branch electrode is parallel to each other in fact, and at a distance of the first interval.Second cadre comprises multiple second branch electrode.Adjacent pairs in the plurality of second branch electrode is parallel to each other in fact, and at a distance of the second interval.At least partially, and required first interval of any one second branch electrode pair at least partially at any one first branch electrode pair required second interval.
For foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below:
Accompanying drawing explanation
Fig. 1 illustrates the partial schematic diagram of the liquid crystal director of the liquid crystal layer corresponding to an electrode structure.
Fig. 2 A shows the schematic diagram of liquid crystal indicator according to a first embodiment of the present invention.
Fig. 2 B illustrates the schematic diagram of the electrode structure in Fig. 2 A.
Fig. 2 C liquid crystal layer illustrated in Fig. 2 A corresponds to the schematic diagram of the liquid crystal director in the region in Fig. 2 B.
Fig. 3 illustrates the schematic diagram of electrode structure according to a second embodiment of the present invention.
Fig. 4 illustrates the schematic diagram of electrode structure according to a third embodiment of the present invention.
Fig. 5 illustrates the schematic diagram of electrode structure according to a fourth embodiment of the present invention.
Fig. 6 illustrates the schematic diagram of electrode structure according to a fifth embodiment of the present invention.
Description of reference numerals
100: liquid crystal panel
110: first substrate
120: second substrate
130,230,330,430,530: electrode structure
131b, 231b, 331b, 431b, 531b: first cadre
131b1,231b1,331b1,431b1,531b1: the first branch electrode
131t, 231t, 331t: the first main electrode
132b, 232b, 332b, 432b, 532b: second cadre
132b1,232b1,332b1,432b1,532b1: the second branch electrode
132t, 232t, 332t: the second main electrode
140: liquid crystal layer
200: backlight module
310,320: Polarizer
430t: main electrode
530m: central electrode
A1, A21, A22: region
E11, E12, E21, E22: end limit
L11, L21: the first virtual line
L12, L22: the second virtual line
R1: the first hypotenuse
R2: the second hypotenuse
S11, S12, S31, S32: sub-electrode structure
Si21, Si22: side
U1, U2: unit length
D11, d21, d31, d41, d51: the first interval
D12, d22, d32, d42, d52: the second interval
De: spacing
Embodiment
Below enumerate several groups of embodiments, coordinate accompanying drawing to describe liquid crystal panel of the present invention in detail and apply the liquid crystal indicator of this liquid crystal panel.But persons skilled in the art should be understood that the plurality of accompanying drawing and word are only the use of explanation, restriction can't be caused to of the present invention for protection domain.
First embodiment
Please refer to Fig. 2 A, it illustrates the schematic diagram of liquid crystal indicator according to a first embodiment of the present invention.Liquid crystal indicator comprises liquid crystal panel 100, backlight module 200 and Polarizer 310 and 320.The absorption axle of Polarizer 310 and 320 is mutually vertical.Liquid crystal panel 100 is configured between Polarizer 310 and 320.Backlight module 200 gives liquid crystal panel 100, with show image in order to provide light.
Liquid crystal panel 100 comprises first substrate 110, second substrate 120, electrode structure 130 and liquid crystal layer 140.Second substrate 120 is substantially parallel to first substrate 110.Liquid crystal layer 140 is between first substrate 110 and second substrate 120.Electrode structure 130 is configured on first substrate 110.
Please refer to Fig. 2 B, it illustrates the schematic diagram of the electrode structure 130 in Fig. 2 A.Electrode structure 130 comprises the first main electrode 131t, first cadre 131b, the second main electrode 132t and second cadre 132b.Be considered as a sub-electrode structure S11 with the first main electrode 131t and first cadre 131b, and be considered as a sub-electrode structure S12 with the second main electrode 132t and second cadre 132b, sub-electrode structure S11 and S12 is that left and right is adjacent.Adjacent sub-electrode structure S11 and the S12 in left and right can form the first brightness region and the second brightness region respectively.When image display, the first brightness region and the second brightness region can blend together to be shown in a pixel, and tool colour cast corrects the effect of (low color shift).Thus, the image quality of liquid crystal panel 100 can be finer and smoother.
First main electrode 131t is such as cruciform, and first cadre 131b comprises multiple first branch electrode 131b1.The plurality of first branch electrode 131b1 is connected to the first main electrode 131t.Adjacent pairs in the plurality of first branch electrode 131b1 is parallel to each other in fact, and at a distance of the first interval d11.In addition, the second main electrode 132t is such as cruciform, and second cadre 132b comprises multiple second branch electrode 132b1.The plurality of second branch electrode 132b1 is connected to the second main electrode 132t.Adjacent pairs in the plurality of second branch electrode 132b1 is parallel to each other in fact, and at a distance of the second interval d12.Any one first branch electrode 131b1 corresponds to a second interval d12 at least partially, and any one second branch electrode 132b1 corresponds to a first interval d11 at least partially.
In the present embodiment, the end limit E11 of each first electrode branch 131b1 is positioned on the first virtual line L11, and the end limit E12 of each second electrode branch 132b1 is positioned on the second virtual line L12.First virtual line L11 is substantially parallel to the second virtual line L12.If be a unit length U1 with a first branch electrode 131b1 and the length of the first interval d11 on the first virtual line L11, and the length of a second branch electrode 132b1 and second interval d12 on the second virtual line L12 is a unit length U1, the first virtual line L11 and the second virtual line L12 is such as the half at a distance of unit length U1.That is, if unit length U1 is 10 microns (μm), the first virtual line L11 and the second virtual line L12 is at a distance of 5 microns.Thus, the end limit E11 of any one first branch electrode 131b1 of the present embodiment just can correspond to a second interval d12, and the end limit E12 of any one the second branch electrode 132b1 just can correspond to a first interval d11.
Please refer to Fig. 2 C, its liquid crystal layer 140 illustrated in Fig. 2 A corresponds to the schematic diagram of the liquid crystal director of the region A21 in Fig. 2 B.When pixel carries out the conversion between on state of and dark-state, first cadre 131b can guide liquid crystal molecule with the fringe field (fringe field) of the intersection of second cadre 132b and topple over, as shown in the A22 of region toward direction consistent haply.Thus, the situation that the intersection of first cadre 131b and second cadre 132b produces node can reduce, and makes liquid crystal panel 100 reduce the situation that dark line produces and brightness declines.In addition, according to the result of simulation, if the distribution of liquid crystal molecule is as shown in the liquid crystal director in Fig. 1, then the time that liquid crystal molecule gets back to stable state is approximately 130ms.In comparison, the liquid crystal panel 100 of the present embodiment not only can reduce the generation of dark line, and the time of getting back to stable state after producing dark line can foreshorten to 20ms effectively.
The present embodiment is configured in a pixel with sub-electrode structure S11 and S12 to illustrate as an example.But those of ordinary skill should understand in this technical field, sub-electrode structure S11 and S12 is also configurable in adjacent two pixels, to reduce the time that stable state is got back in the generation of dark line, raising brightness and shortening.
Second embodiment
Please refer to Fig. 3, it illustrates the schematic diagram of electrode structure 230 according to a second embodiment of the present invention.In electrode structure 230, first cadre 231b comprises multiple first branch electrode 231b1.Adjacent pairs in the plurality of first branch electrode 231b1 is parallel to each other in fact, and at a distance of the first interval d21.Second cadre 232b comprises multiple second branch electrode 232b1.Adjacent pairs in the plurality of second branch electrode 232b1 is parallel to each other in fact, and at a distance of the second interval d22.In the present embodiment, any one second branch electrode 232b1 corresponds to a first interval d21 at least partially, and any one first branch electrode 231b1 corresponds to a second interval d22 at least partially, therefore, the liquid crystal panel being configured with electrode structure 230 can have the advantage of the liquid crystal panel 100 being similar to the first embodiment.
Furthermore, one end of each first branch electrode 231b1 of the present embodiment is connected to the first main electrode 231t, and the other end of each first electrode branch 231b1 has two end angles be made up of end limit E21 and two side Si21.These two end angles are such as 90 degree.In addition, one end of each second branch electrode 232b1 is connected to the second main electrode 232t, and the other end of each second electrode branch 232b1 has two end angles be made up of end limit E22 and two side Si22.These two end angles are such as 90 degree.
Thus, the end limit E21 of any one first branch electrode 231b1 of the present embodiment corresponds to the side Si22 of a second branch electrode 232b1, and the end limit E22 of any one the second branch electrode 232b1 corresponds to the side Si21 of a first branch electrode 231b1.If be a unit length U2 with a first branch electrode 231b1 and the length of the first interval d21 on the first virtual line L21, and the length of a second branch electrode 232b1 and second interval d22 on the second virtual line L22 is a unit length U2, the side Si22 of an end limit E21 and adjacent second electrode branch 232b1 of a first electrode branch 231b1 is such as the half at a distance of unit length U2, and the side Si21 of the end limit E22 of an a second electrode branch 232b1 and adjacent first electrode branch 231b1 is such as the half at a distance of unit length U2.That is, if unit length U2 is 10 microns (μm), the side Si22 of an end limit E21 and adjacent second electrode branch 232b1 of a first electrode branch 231b1 is at a distance of 5 microns, and the side Si21 of the end limit E22 of an a second electrode branch 232b1 and adjacent first electrode branch 231b1 is at a distance of 5 microns.Thus, be equal to the prerequisite of the unit length U1 of the first embodiment at the unit length U2 of the present embodiment under, compared to the spacing of the first branch electrode 131b1 in the first embodiment and the second branch electrode 132b1, the spacing de of the line Le2 that multiple end angles of the line Le1 that multiple end angles of the plurality of first branch electrode 231b1 are formed and the plurality of second branch electrode 232b1 are formed can be less.In other words, by outstanding in the end angle of each first branch electrode 231b1 and the end angle of each second branch electrode 232b1, spacing de can reduce, to reduce the width of the corresponding dark line produced to promote the quality of display.
3rd embodiment
Please refer to Fig. 4, it illustrates the schematic diagram of electrode structure 330 according to a third embodiment of the present invention.Electrode structure 330 comprises the sub-electrode structure S31 be made up of the first main electrode 331t and first cadre 331b, and the sub-electrode structure S32 be made up of the second main electrode 332t and second cadre 332b.Sub-electrode structure S31 and S32 is neighbouring.
Because any one second branch electrode 332b1 of second cadre 332b corresponds to a first interval d31 at least partially, and any one first branch electrode 331b1 of first cadre 331b corresponds to a second interval d32 at least partially, therefore, the liquid crystal panel being configured with electrode structure 330 can have the advantage of the liquid crystal panel 100 being similar to the first embodiment.
4th embodiment
Please refer to Fig. 5, it illustrates the schematic diagram of electrode structure 430 according to a fourth embodiment of the present invention.Electrode structure 430 comprises main electrode 430t, first cadre 431b and second cadre 432b.The shape of main electrode 430t is such as cruciform, and first cadre 431b and second cadre 432b is connected to the relative both sides of main electrode 430t.
Because any one second branch electrode 432b1 of second cadre 432b corresponds to a first interval d41 at least partially, and any one first branch electrode 431b1 of first cadre 431b corresponds to a second interval d42 at least partially, therefore, the liquid crystal panel being configured with electrode structure 430 can have the advantage of the liquid crystal panel 100 being similar to the first embodiment.
5th embodiment
Please refer to Fig. 6, it illustrates the schematic diagram of electrode structure 530 according to a fifth embodiment of the present invention.Electrode structure 530 comprises central electrode 530m, first cadre 531b and second cadre 532b.Central electrode 530m has the first hypotenuse R1 and the second hypotenuse R2.First hypotenuse R1 and the second hypotenuse R2 forms recess.Each first branch electrode 531b1 of first cadre 531b is connected to the first hypotenuse R1, to be positioned at recess.Each second branch electrode 532b of second cadre 532b is connected to the second hypotenuse R2, to be positioned at recess.
Thus, because any one second branch electrode 532b1 corresponds to a first interval d51 at least partially, and any one first branch electrode 531b1 corresponds to a second interval d52 at least partially, therefore, the liquid crystal panel being configured with electrode structure 530 can have the advantage of the liquid crystal panel 100 being similar to the first embodiment.
Liquid crystal panel disclosed by the above embodiment of the present invention and apply its liquid crystal indicator, its position through adjacent first cadre and second cadre configures, the situation making the intersection of first cadre and second cadre produce node can reduce, to promote the brightness of overall display.Moreover liquid crystal panel gets back to stable state time after producing dark line can shorten effectively, to increase the quality of display.
In sum, although the present invention with preferred embodiment disclose as above, so itself and be not used to limit the present invention.Persons of ordinary skill in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is as the criterion when defining depending on claim.
Claims (13)
1. a liquid crystal panel, comprising:
First substrate;
Second substrate, substantially parallel to this first substrate;
Liquid crystal layer, between this first substrate and this second substrate; And
Electrode structure, be configured on this first substrate, this electrode structure comprises:
First sub-electrode structure and the second sub-electrode structure, this first sub-electrode structure is separated in fact each other with this second sub-electrode structure, and this first sub-electrode structure comprises first cadre, and this second sub-electrode structure comprises second cadre;
Wherein this first cadre comprises multiple first branch electrode, and the adjacent pairs in the plurality of first branch electrode is parallel to each other in fact, and at a distance of the first interval; And
This second cadre comprises multiple second branch electrode, adjacent pairs in the plurality of second branch electrode is parallel to each other in fact, and at a distance of the second interval, one of them person in the end limit of the plurality of first branch electrode corresponds to this second interval, and one of them person in the end limit of the plurality of second branch electrode corresponds to this first interval.
2. liquid crystal panel as claimed in claim 1, wherein this electrode structure also comprises:
First main electrode, the plurality of first branch Electrode connection is in this first main electrode; And
Second main electrode, the plurality of second branch Electrode connection is in this second main electrode.
3. liquid crystal panel as claimed in claim 2, wherein the shape of this first main electrode is cruciform, and the shape of this second main electrode is cruciform.
4. liquid crystal panel as claimed in claim 1, wherein this electrode structure also comprises:
Main electrode, this first cadre and this second stem portion are not connected to the relative both sides of this main electrode.
5. liquid crystal panel as claimed in claim 4, wherein the shape of this main electrode is cruciform.
6. liquid crystal panel as claimed in claim 1, wherein this electrode structure also comprises:
Central electrode, has the first hypotenuse and the second hypotenuse, and this first hypotenuse and this second hypotenuse form recess, each first branch Electrode connection in this first hypotenuse, to be positioned at this recess, each second branch Electrode connection in this second hypotenuse, to be positioned at this recess.
7. liquid crystal panel as claimed in claim 1, wherein the end limit of each first electrode branch is positioned on the first virtual line, and the end limit of each second electrode branch is positioned on the second virtual line, and this first virtual line is substantially parallel to this second virtual line.
8. liquid crystal panel as claimed in claim 7, one of them this first electrode branch and one this between first the length be interposed between on this first virtual line be a unit length, this the second electrode branch and one this between second the length be interposed between on this second virtual line be this unit length, this first virtual line and this second virtual line are the half at a distance of this unit length.
9. liquid crystal panel as claimed in claim 1, wherein two end angles of each first electrode branch are respectively 90 degree, and two of this second electrode branch end angles are respectively 90 degree.
10. liquid crystal panel as claimed in claim 9, one of them this first electrode branch and this first length be interval on the first virtual line are a unit length, this the second electrode branch and this second length be interval on the second virtual line are this unit length, the side of the end limit of this first electrode branch and adjacent this second electrode branch is the half at a distance of this unit length, and the side of the end limit of this second electrode branch and adjacent this first electrode branch is the half at a distance of this unit length.
11. 1 kinds of liquid crystal panels, comprising:
First substrate;
Second substrate, substantially parallel to this first substrate;
Liquid crystal layer, between this first substrate and this second substrate; And
Electrode structure, be configured on this first substrate, this electrode structure comprises:
First sub-electrode structure and the second sub-electrode structure, this first sub-electrode structure is separated in fact each other with this second sub-electrode structure, and this first sub-electrode structure comprises first cadre, and this second sub-electrode structure comprises second cadre;
Wherein this first cadre comprises multiple first branch electrode, and the adjacent pairs in the plurality of first branch electrode is parallel to each other in fact, and at a distance of the first interval; And
This second cadre comprises multiple second branch electrode, adjacent pairs in the plurality of second branch electrode is parallel to each other in fact, and at a distance of the second interval, wherein, between the adjacent pairs of one first area in the plurality of second interval, and the end points of at least one in the plurality of first interval corresponds to this first area.
12. liquid crystal panels as claimed in claim 11, wherein this electrode structure also comprises:
Central electrode, has the first hypotenuse and the second hypotenuse, and this first hypotenuse and this second hypotenuse form recess, each first branch Electrode connection in this first hypotenuse, to be positioned at this recess, each second branch Electrode connection in this second hypotenuse, to be positioned at this recess.
13. liquid crystal panels as claimed in claim 11, wherein the end limit of each first electrode branch is positioned on the first virtual line, and the end limit of each second electrode branch is positioned on the second virtual line, and this first virtual line is substantially parallel to this second virtual line.
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| CN201410690391.4A CN104330934A (en) | 2010-12-09 | 2010-12-09 | Liquid crystal panel and liquid crystal display device utilizing same |
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| CN201410690391.4A CN104330934A (en) | 2010-12-09 | 2010-12-09 | Liquid crystal panel and liquid crystal display device utilizing same |
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| CN201010580622.8A Division CN102540585B (en) | 2010-12-09 | 2010-12-09 | Liquid crystal panel and liquid crystal display device using same |
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| CN111123590A (en) * | 2019-07-13 | 2020-05-08 | 友达光电股份有限公司 | Pixel array substrate |
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Application publication date: 20150204 |