CN102830547A - Optical compensation film and manufacturing method thereof, liquid crystal display panel, and liquid crystal display device - Google Patents
Optical compensation film and manufacturing method thereof, liquid crystal display panel, and liquid crystal display device Download PDFInfo
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- CN102830547A CN102830547A CN2012103347310A CN201210334731A CN102830547A CN 102830547 A CN102830547 A CN 102830547A CN 2012103347310 A CN2012103347310 A CN 2012103347310A CN 201210334731 A CN201210334731 A CN 201210334731A CN 102830547 A CN102830547 A CN 102830547A
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Abstract
The invention discloses an optical compensation film and a manufacturing method of the optical compensation film, a liquid crystal display panel, and a liquid crystal display device. The liquid crystal compensation film comprises an upper substrate, a lower substrate, a liquid crystal molecular layer between the upper substrate and the lower substrate, and at least two transparent electrodes for generating electric fields for the liquid crystal compensation film; and the liquid crystal molecular layer comprises liquid crystal molecules. The liquid crystal molecules in the liquid crystal compensation film are controlled by adjusting the electric field voltage on the transparent electrodes, so that the optical compensation film has different compensation effects so as to change the display effect of the liquid crystal display panel.
Description
Technical field
The present invention relates to the demonstration field, relate in particular to method for making and liquid crystal panel, the liquid crystal indicator of a kind of optical compensation films, optical compensation films.
Background technology
The visual angle is narrow and small uneven with the visual angle, is the major defect of present LCD.In order to improve the viewing angle characteristic of TN LCD (Twisted Nematic Liquid Crystal Display, twisted nematic liquid crystal display), developed multiple wide visual angle technology.Utilizing the external optical compensate film to improve TN LCD viewing angle characteristic is the earliest, also to be the most widely used method at present.This method need not the manufacturing process of LCD is done any change, and many afterwards ways, also must cooperate the optical phase compensate film to use like multidomain method, homeotropic alignment method and optical compensation curved ranking method.
After but present optical compensation films completed, the refractive index of its all directions, phase-delay quantity were all fixing, can not require to change arbitrarily according to the different phase compensation.If reach the purpose of out of phase delay compensation, must increase perhaps and change optical compensation films, this implementation method more complicated also can increase cost.On the other hand, single optical compensation mode makes the visual angle of LCD arbitrarily not change, and can only have single field-of-view mode.
Summary of the invention
The technical matters that the present invention will solve provides method for making and liquid crystal panel, the liquid crystal indicator of a kind of optical compensation films, optical compensation films; The phase-delay quantity of this optical compensation films and compensation model can change under electric field action, thereby realize the conversion of LCD between different visual angles.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme following:
On the one hand, a kind of optical compensation films is provided, comprises:
Liquid crystal compensation film, said liquid crystal compensation film comprise upper substrate, infrabasal plate and be arranged on said upper substrate and said infrabasal plate between layer of liquid crystal molecule; And
Be used for said liquid crystal compensation film is produced at least two transparency electrodes of electric field;
Said layer of liquid crystal molecule comprises liquid crystal molecule.
Preferably, the compensation rate of said liquid crystal compensation film is adjusted through the electrode voltage of the transparency electrode of said liquid crystal compensation film.
Preferably, said layer of liquid crystal molecule also comprises polymkeric substance.
Preferably, said layer of liquid crystal molecule also comprises: emulsion.
Preferably, said liquid crystal molecule is positivity liquid crystal molecule, negative liquid crystal molecule or blue phase liquid crystal molecule.
On the other hand, a kind of liquid crystal panel that comprises above-mentioned optical compensation films is provided.
Preferably, described liquid crystal panel also comprises:
The following polaroid that superposes successively from top to bottom, first substrate, liquid crystal layer, second substrate and last polaroid;
Said optical compensation films is on said between polaroid and the following polaroid;
Wherein, said optical compensation films said second substrate and said between the polaroid, first transparency electrode at least two transparency electrodes of said optical compensation films is positioned at the upside of the liquid crystal compensation film of said optical compensation films; Second transparency electrode at least two transparency electrodes of said optical compensation films is positioned at any side of said second substrate; Or
Said optical compensation films is at said first substrate and said down between the polaroid; First transparency electrode at least two transparency electrodes of said optical compensation films is positioned at the downside of the liquid crystal compensation film of said optical compensation films; Second transparency electrode at least two transparency electrodes of said optical compensation films is positioned at any side of said first substrate.
Preferably, described liquid crystal panel also comprises:
The following polaroid that superposes successively from top to bottom, first substrate, liquid crystal layer, second substrate and last polaroid;
Said optical compensation films is positioned at said going up on the polaroid.
The electrode of said optical compensation films comprises the first area and the second area of a plurality of interlaced distributions,
Said first area has a plurality of first strip structures that are arranged in parallel, and said first strip structure and the said axle that sees through of going up polaroid have first angle;
Said second area has a plurality of second strip structures that are arranged in parallel, and said second strip structure and the said axle that sees through of going up polaroid have second angle,
Said first angle and said second angle be opposite number each other.
Preferably, the absolute value scope of the absolute value of said first angle and said second angle all is 40 ~ 50 degree.
Preferably, the absolute value of the absolute value of said first angle and said second angle all is 45 degree.
On the other hand, a kind of liquid crystal indicator is provided, comprises above-mentioned liquid crystal panel.
On the other hand, a kind of method for making of optical compensation films is provided, comprises:
The liquid crystal compensation film is set, said liquid crystal compensation film comprise upper substrate, infrabasal plate and be arranged on said upper substrate and said infrabasal plate between layer of liquid crystal molecule;
Be provided for said liquid crystal compensation film is produced at least two transparency electrodes of electric field.
Preferably, the formation step of said layer of liquid crystal molecule comprises:
Polymkeric substance and liquid crystal molecule are mixed, form potpourri;
Said potpourri is applied into membranaceous, form coat film;
The added electric field in the both sides of said coat film is arranged said liquid crystal molecular orientation;
Polymkeric substance in the said coat film is cured.
Embodiments of the invention have following beneficial effect:
In the such scheme, optical compensation films comprises liquid crystal compensation film and transparency electrode.Through the voltage of electric field that transparency electrode forms, control the liquid crystal molecule in the liquid crystal compensation film, make optical compensation films have different compensation effects, thereby change the display view angle of liquid crystal panel.Through changing the electrode pattern of optical compensation films, this optical compensation films can be easy to the conversion that realizes that liquid crystal display shows from 2D (two dimension) to 3D (three-dimensional), and this optical compensation film preparation is simple, is easy to realization.
Description of drawings
Fig. 1 is the structural representation of a kind of optical compensation films shown in the present;
Fig. 2 is the synoptic diagram of first embodiment of liquid crystal panel shown in the present;
Fig. 3 is the synoptic diagram of second embodiment of liquid crystal panel shown in the present;
Fig. 4 is the synoptic diagram of the 3rd embodiment of liquid crystal panel shown in the present;
Fig. 5 is the synoptic diagram of the 4th embodiment of liquid crystal panel shown in the present;
Fig. 6 is a synoptic diagram of the electrode layer pattern of optical compensation films shown in Figure 5;
Fig. 7 is another synoptic diagram of the electrode layer pattern of optical compensation films shown in Figure 5;
Fig. 8 is another synoptic diagram of the electrode layer pattern of optical compensation films shown in Figure 5;
Fig. 9 is in the synoptic diagram of OFF state for the electrode on the optical compensation films shown in Figure 8;
Figure 10 is in the synoptic diagram of ON state for the electrode on the optical compensation films shown in Figure 8;
Figure 11 realizes the synoptic diagram of 3-D effect for the user through wearing the rotatory polarization eyes;
Figure 12 is the schematic flow sheet of the method for making of a kind of optical compensation films shown in the present;
Figure 13 is the synoptic diagram of liquid crystal compensation film production device and highfield;
Figure 14 is the synoptic diagram of liquid crystal compensation film device among Figure 13.
Embodiment
For technical matters, technical scheme and advantage that embodiments of the invention will be solved is clearer, will combine accompanying drawing and specific embodiment to be described in detail below.
As shown in Figure 1, be a kind of optical compensation films of the present invention, comprising:
Liquid crystal compensation film 10, said liquid crystal compensation film 10 comprise upper substrate, infrabasal plate and be arranged on said upper substrate and said infrabasal plate between layer of liquid crystal molecule; And
Be used for said liquid crystal compensation film 10 is produced two transparency electrodes of electric field, two transparency electrodes are respectively transparency electrode 21 and following transparency electrode 22;
Said layer of liquid crystal molecule comprises liquid crystal molecule.
Wherein, transparency electrode can have different arrangement modes, to realize the different compensation effects of optical compensation films.Transparency electrode is made up of transparent conductive material, and transparent conductive material can be ITO (indium tin oxide), IZO (indium-zinc oxide) etc.Be to be that example describes in the embodiment of the invention, but the quantity of transparency electrode also can be more than two with two transparency electrodes.
Wherein, transparency electrode can be separately positioned on the both sides of liquid crystal compensation film 10; Also can all be arranged on the same side of liquid crystal compensation film 10.
The compensation rate of said liquid crystal compensation film 10 is adjusted through the electrode voltage of the transparency electrode of said liquid crystal compensation film.
Said layer of liquid crystal molecule also comprises polymkeric substance, and polymkeric substance can be high molecular polymer.
Said layer of liquid crystal molecule also comprises: emulsion.Said liquid crystal molecule is positivity liquid crystal molecule, negative liquid crystal molecule or blue phase liquid crystal molecule.
The compensation principle of optical compensation films is below described.When liquid crystal molecule was arranged in parallel, optical compensation films was+the A compensate film; When liquid crystal molecule was vertically arranged, optical compensation films was+the C compensate film.The retardation of optical compensation films is specially: Re=△ n * d, △ n=n by the anisotropy and the thickness decision of liquid crystal molecule in this optical compensation films
e-n
o, wherein, Re is the retardation of optical compensation films, and △ n is anisotropic refraction rate poor of liquid crystal molecule in the optical compensation films, and d is the thickness of liquid crystal compensation film, and ne is the ordinary light refractive index, no is non-ordinary light refractive index.
The dielectricity of liquid crystal molecule is divided into positivity and negativity, is having under the situation of electric field, and the positivity liquid crystal molecule is arranged along electric field line, and negative liquid crystal molecule vertical electrical field wire is arranged.Transparency electrode 21 and 22 is and applies the even electrode layer of one deck form, through the electric field controls between transparency electrode, can make optical compensation films realization+C compensate film ,+conversion between the A compensate film.
Below specify.
When liquid crystal molecule was the positivity liquid crystal, optical compensation films was in OFF state, no-voltage between the electrode layer, and this moment, liquid crystal molecule was horizontal, and liquid crystal compensation film work+A compensate film uses; When ON state, between electrode layer, produce vertical electric field, this moment the liquid crystal molecule homeotropic alignment, the use of liquid crystal compensation film works+C compensate film.Like this, under electric field action, optical compensation films has just been accomplished by the conversion to+C compensate film of+A compensate film.
When liquid crystal molecule was the positivity liquid crystal, optical compensation films was in OFF state, no-voltage between the electrode layer, this moment the liquid crystal molecule homeotropic alignment, the use of optical compensation films works+C compensate film; When ON state, between electrode layer, produce horizontal component of electric field, this moment, liquid crystal molecule was horizontal, and the liquid crystal compensation film is made work+A compensate film and is used.Like this, under electric field action, optical compensation films has just been accomplished by the conversion to+A compensate film of+C compensate film.
When liquid crystal molecule was negative liquid crystal, optical compensation films was in OFF state, no-voltage between the electrode layer, this moment the liquid crystal molecule homeotropic alignment, the use of optical compensation films works+C compensate film; During ON state, between electrode layer, produce vertical electric field, this moment, liquid crystal molecule was horizontal, and liquid crystal compensation film work+A compensate film uses.Like this, under electric field action, optical compensation films has just been accomplished by the conversion to+A compensate film of+C compensate film.
When liquid crystal molecule was negative liquid crystal, optical compensation films was in OFF state, no-voltage between the electrode layer, and this moment, liquid crystal molecule was horizontal, and optical compensation films work+C compensate film uses; During ON state, between electrode layer, produce horizontal component of electric field, this moment the liquid crystal molecule homeotropic alignment, the use of liquid crystal compensation film works+A compensate film.Like this, under electric field action, optical compensation films has just been accomplished by the conversion to+C compensate film of+A compensate film.
Among the present invention, through the variation of electric field between the transparency electrode in the optical compensation films, optical compensation films plays different compensation effects, makes liquid crystal panel reach different display effects, can on the display of any pattern, use as required.
For example, through the optical compensation films conversion, the visual angle redeeming to display panels reduces the liquid crystal visual angle, realizes secret protection.Principle is: the visual angle of LCD is the contrast decision by all directions, mainly by oblique contrast decision.And the topmost factor that influences contrast is the dark attitude light leak of stravismus direction, i.e. ratio between the brightness of the contrast brightness that equals bright attitude and attitude secretly.When contrast less than 10 the time, human eye is difficult to see clearly images displayed.Present embodiment is regulated the electrode voltage that is applied to above the optical compensation films according to the positive negativity and the initial arrangement mode of liquid crystal molecule, realize optical compensation films+A and+change between the C; To change the anisotropy retardation between two polaroids; Thereby increase dark attitude light through amount, when the stravismus light leak increases, reduced contrast; Thereby reduced the liquid crystal visual angle, realized the function of secret protection.
The present invention provides a kind of liquid crystal panel that comprises above-mentioned optical compensation films.
Described liquid crystal panel also comprises:
The following polaroid that superposes successively from top to bottom, first substrate, liquid crystal layer, second substrate and last polaroid;
Said optical compensation films is on said between polaroid and the following polaroid;
Wherein, said optical compensation films said second substrate and said between the polaroid, first transparency electrode of said optical compensation films is positioned at the upside of the liquid crystal compensation film of said optical compensation films; Second transparency electrode of said optical compensation films is positioned at any side of said second substrate; Or
Said optical compensation films is at said first substrate and said down between the polaroid; First transparency electrode of said optical compensation films is positioned at the downside of the liquid crystal compensation film of said optical compensation films; Second transparency electrode of said optical compensation films is positioned at any side of said first substrate.
Below in conjunction with Fig. 2,3 and 4, the embodiment of liquid crystal panel of the present invention is described.Liquid crystal panel comprises: the following polaroid 61 that superposes successively from top to bottom, array base palte (first substrate) 62, liquid crystal layer 63, color membrane substrates (second substrate) 64 and last polaroid 65; Said optical compensation films 66 is on said between polaroid and the following polaroid.
First embodiment is as shown in Figure 2, said optical compensation films 66 said color membrane substrates 64 and said between the polaroid 65, first transparency electrode of said optical compensation films is positioned at the upper substrate of the liquid crystal compensation film of said optical compensation films; Second transparency electrode of said optical compensation films is arranged on any side of said color membrane substrates.Wherein, Second transparency electrode of said optical compensation films can be the common electrode layer on the color membrane substrates; At this moment, first transparency electrode of optical compensation films and the common electrode layer on the color membrane substrates (i.e. second transparency electrode) acting in conjunction forms electric field, through changing the phase-delay quantity of electric field level and then change optical compensation films; Realization+A and+conversion between the C compensate film, and then realize change to the liquid crystal display visual angle.
Second embodiment is as shown in Figure 3, and said optical compensation films 66 is at said array base palte 62 and said down between the polaroid 61; First transparency electrode of said optical compensation films is positioned at the infrabasal plate of the liquid crystal compensation film of said optical compensation films; Second transparency electrode of said optical compensation films is arranged on the said array base palte.Wherein, second transparency electrode of said optical compensation films can be the common electrode layer on the array base palte.At this moment, first transparency electrode of optical compensation films and the common electrode layer on the array base palte (i.e. second transparency electrode) acting in conjunction forms electric field.
The 3rd embodiment is as shown in Figure 4; Said liquid crystal panel comprises two optical compensation films 66a and 66b; The first optical compensation films 66a said color membrane substrates 64 and said between the polaroid 65, the second optical compensation films 66b is at said array base palte 62 and said down between the polaroid 61.Wherein, First transparency electrode of the first optical compensation films 66a is arranged on the upper substrate of the first liquid crystal compensation film; Its second transparency electrode can directly be used the public electrode with anti-static electrification in the color membrane substrates outside; At this moment, the public electrode acting in conjunction in first transparency electrode of the first optical compensation films 66a and the color membrane substrates outside forms electric field.First transparency electrode of the second optical compensation films 66b is arranged on the infrabasal plate of the second liquid crystal compensation film; Its second transparency electrode can directly be used on the array base palte as showing the common electrode layer of using; At this moment, first transparency electrode of second optical compensation films and the common electrode layer acting in conjunction on the array base palte form electric field.
The 4th embodiment is applied in the situation in 2D and the 3D conversion panel with optical compensation films of the present invention, and concrete, as shown in Figure 5, liquid crystal panel comprises:
The following polaroid 71 of stack, first substrate 72, liquid crystal layer 73, second substrate 74 and go up polaroid 75 successively from top to bottom; Said optical compensation films 76 is positioned at said going up on the polaroid 75.First substrate can be array base palte, and second substrate can be color membrane substrates; Perhaps, second substrate can be array base palte, and first substrate can be color membrane substrates.
Like Fig. 6, Fig. 7 or shown in Figure 8; The electrode of said optical compensation films 76 comprises the first area A and the second area B of a plurality of interlaced distributions, and the linearly polarized light through last polaroid is through A district and the B district is later can become two kinds of elliptically polarized lights with different rotary direction.The first area is left-handed zone in the present embodiment, and second area is the dextrorotation zone.
Said first area has a plurality of first strip structures that are arranged in parallel, and said first strip structure and the said axle that sees through of going up polaroid have first angle;
Said second area has a plurality of second strip structures that are arranged in parallel, and said second strip structure and the said axle that sees through of going up polaroid have second angle,
Said first angle and said second angle be opposite number each other.
The absolute value scope of the absolute value of said first angle and said second angle all is 40 ~ 50 degree.
Preferably, the absolute value of the absolute value of said first angle and said second angle all is 45 degree.At this moment, the linearly polarized light through last polaroid can become two kinds of circularly polarized lights with different rotary direction later through A district and B district.
Concrete, the spacing between the strip electrode in A district and B district generally is identical, and the strip electrode in A district and B district can be symmetrical structure (like Fig. 7 and shown in Figure 8), also can be asymmetric (as shown in Figure 6).
Through design, use the display of optical compensation films of the present invention to be implemented between the two and three dimensions and change the electrode of optical compensation films among the present invention.The transfer process of two-dimensional effects to 3-D effect below described.As shown in Figure 9, when the electrode on optical compensation films when making alive is not in OFF state,, there is not retardation because liquid crystal molecule 96 is vertically arranged, realize the two dimension demonstration; Shown in figure 10, when the electrode on the optical compensation films added that voltage is in ON state, liquid crystal molecule 96 deflections produced retardation.Concrete, adopt the negative liquid crystal material, liquid crystal molecule homeotropic alignment during no-voltage condition, this moment, the linearly polarized light through last polaroid did not have phase-delay quantity after through liquid crystal molecule, and what realize like this is the two dimension demonstration; When adding that voltage forms vertical electric field; Liquid crystal molecule deflects under electric field action; Liquid crystal molecule is become horizontally by homeotropic alignment; Make the retardation of liquid crystal compensation film reach λ/4 simultaneously; Wherein λ is a light wavelength; Because the strip shaped electric poles in the A district of optical compensation films and B district is 45 degree with the absolute value that sees through the axle clamp angle of last polaroid, thus the major axis of the horizontal liquid crystal molecule 96 in A district and B district and last polaroid through spool the absolute value of angle also be 45 to spend (shown in figure 10), can become two kinds of circularly polarized lights (left circularly polarized light and right-circularly polarized light) behind the A district of the optical compensation films of the linearly polarized light process present embodiment through last polaroid and the B district at this moment with different rotary direction.Get into people's left eye and right eye behind the circularly polarized light process rotatory polarization glasses of two kinds of different rotary directions respectively, realize 3-D effect, shown in figure 11.
The present invention also provides a kind of liquid crystal indicator, comprises above-mentioned liquid crystal panel.
Shown in figure 12, the method for making for a kind of optical compensation films of the present invention comprises:
Wherein, the formation step of said layer of liquid crystal molecule comprises:
Step 221 is mixed polymkeric substance and liquid crystal molecule, forms potpourri; This step is specially: in required ratio high molecular polymer and liquid crystal molecule are mixed, can add a certain amount of emulsion, be used for quickening the curing of rete.
Step 222 applies into said potpourri membranaceous, forms coat film; This step is specially: in equipment, this potpourri is applied into membranaceously, the thickness scope can be 1 μ m ~ 180 μ m.
Step 223, the added electric field in the both sides of said coat film is arranged said liquid crystal molecular orientation;
Step 224 is cured the polymkeric substance in the said coat film.Curing mode can adopt the UV rayed, can also be through heat curing or other modes.
The method for making of optical compensation films of the present invention adopts the mode of liquid crystal molecule and high molecular polymer mixing, utilizes the dielectricity of liquid crystal molecule; Orientations under effect of electric field; And utilize method such as ultraviolet lighting to be cured film forming, and make liquid crystal obtain initial orientation, on the liquid crystal compensation film that generates, construct the different electrode layers pattern then; Make liquid crystal molecule in the liquid crystal compensation film according to the electric field orientation that electrode forms, make optical compensation films realize the compensation of different phase retardation.
The application scenarios of the method for making of a kind of optical compensation films shown in the present is below described.
Shown in figure 13, be liquid crystal compensation film production device 30 and highfield (comprising positive plate 40a and negative plate 40b).The direction of an electric field of highfield is shown in figure 13; This electric field E is a DC electric field; Positive plate and negative plate are corresponding, are keeping under the constant situation of liquid crystal compensation film location, and electric field E direction is shown in arrow among Figure 13; Direction of an electric field can be adjusted arbitrarily as required in the reality, can do spherical 360 ° of omnibearing rotations around central point 0 at vertical direction and horizontal direction.Electric field intensity can be regulated according to the dielectricity intensity of liquid crystal molecule.
Shown in figure 14, be liquid crystal compensation film production device 30, comprising: glass base station 31a and 31b have the potpourri 32 of liquid crystal molecule and high molecular polymer between the glass base station.The glass base station has higher transparency, to guarantee normally injecting of UV light.The potpourri 32 of liquid crystal molecule and high molecular polymer begins to be liquid state, can control its component ratio, makes it have higher flowability.For the less liquid crystal compensation film of area, can adopt the mode of siphon that potpourri is got between the glass base station; For the bigger liquid crystal compensation film of area, can adopt the mode that instils or apply.Keep the distance between the two glass base stations to meet parameter request; Promptly reach the thickness requirement of liquid crystal compensation film, added electric field E (direction of arrow among Figure 14 is the direction of an electric field of electric field E) then, liquid crystal molecule is orientated under effect of electric field; Meanwhile, polymkeric substance is cured.
The above is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle according to the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (14)
1. an optical compensation films is characterized in that, comprising:
Liquid crystal compensation film, said liquid crystal compensation film comprise upper substrate, infrabasal plate and be arranged on said upper substrate and said infrabasal plate between layer of liquid crystal molecule; And
Be used for said liquid crystal compensation film is produced at least two transparency electrodes of electric field;
Said layer of liquid crystal molecule comprises liquid crystal molecule.
2. optical compensation films according to claim 1 is characterized in that the compensation rate of said liquid crystal compensation film is adjusted through the electrode voltage of the transparency electrode of said liquid crystal compensation film.
3. optical compensation films according to claim 1 is characterized in that said layer of liquid crystal molecule also comprises polymkeric substance.
4. optical compensation films according to claim 3 is characterized in that said layer of liquid crystal molecule also comprises: emulsion.
5. according to the described optical compensation films of the arbitrary claim of claim 1-4, it is characterized in that said liquid crystal molecule is positivity liquid crystal molecule, negative liquid crystal molecule or blue phase liquid crystal molecule.
6. liquid crystal panel that comprises the described optical compensation films of the arbitrary claim of claim 1-5.
7. liquid crystal panel according to claim 6 is characterized in that, also comprises:
The following polaroid that superposes successively from top to bottom, first substrate, liquid crystal layer, second substrate and last polaroid;
Said optical compensation films is on said between polaroid and the following polaroid;
Wherein, said optical compensation films said second substrate and said between the polaroid, first transparency electrode at least two transparency electrodes of said optical compensation films is positioned at the upside of said liquid crystal compensation film; Second transparency electrode at least two transparency electrodes of said optical compensation films is positioned at any side of said second substrate; Or
Said optical compensation films is at said first substrate and said down between the polaroid; First transparency electrode at least two transparency electrodes of said optical compensation films is positioned at the downside of the liquid crystal compensation film of said optical compensation films; Second transparency electrode at least two transparency electrodes of said optical compensation films is positioned at any side of said first substrate.
8. liquid crystal panel according to claim 6 is characterized in that, also comprises:
The following polaroid that superposes successively from top to bottom, first substrate, liquid crystal layer, second substrate and last polaroid;
Said optical compensation films is positioned at said going up on the polaroid.
9. liquid crystal panel according to claim 8 is characterized in that,
The electrode of said optical compensation films comprises the first area and the second area of a plurality of interlaced distributions,
Said first area has a plurality of first strip structures that are arranged in parallel, and said first strip structure and the said axle that sees through of going up polaroid have first angle;
Said second area has a plurality of second strip structures that are arranged in parallel, and said second strip structure and the said axle that sees through of going up polaroid have second angle,
Said first angle and said second angle be opposite number each other.
10. liquid crystal panel according to claim 9 is characterized in that,
The absolute value scope of the absolute value of said first angle and said second angle all is 40 ~ 50 degree.
11. liquid crystal panel according to claim 10 is characterized in that,
The absolute value of the absolute value of said first angle and said second angle all is 45 degree.
12. a liquid crystal indicator comprises the described liquid crystal panel of the arbitrary claim of claim 6-11.
13. the method for making of an optical compensation films is characterized in that, comprising:
The liquid crystal compensation film is set, said liquid crystal compensation film comprise upper substrate, infrabasal plate and be arranged on said upper substrate and said infrabasal plate between layer of liquid crystal molecule;
Be provided for said liquid crystal compensation film is produced at least two transparency electrodes of electric field.
14. the method for making of optical compensation films according to claim 13 is characterized in that, the formation step of said layer of liquid crystal molecule comprises:
Polymkeric substance and liquid crystal molecule are mixed, form potpourri;
Said potpourri is applied into membranaceous, form coat film;
The added electric field in the both sides of said coat film is arranged said liquid crystal molecular orientation;
Polymkeric substance in the said coat film is cured.
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