CN102830547B - 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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- CN102830547B CN102830547B CN201210334731.0A CN201210334731A CN102830547B CN 102830547 B CN102830547 B CN 102830547B CN 201210334731 A CN201210334731 A CN 201210334731A CN 102830547 B CN102830547 B CN 102830547B
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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 display field, particularly relate to a kind of optical compensation films, the method for making of optical compensation films and liquid crystal panel, liquid crystal indicator.
Background technology
Visual angle is narrow and small and visual angle uneven, is the major defect of current liquid crystal display.In order to improve TN LCD(Twisted Nematic Liquid Crystal Display, twisted nematic liquid crystal display) viewing angle characteristic, developed multiple wide viewing angle technology.External optical compensate film is utilized to be the earliest, be also the most widely used current method to improve TN LCD viewing angle characteristic.This method is without the need to doing any variation to the manufacturing process of LCD, and many ways afterwards, as multidomain method, vertical deposition and optical compensation curved ranking method also must coordinate optical phase compensate film to use.
But after current optical compensation films completes, refractive index, the phase-delay quantity of its all directions are all fixing, can not require to change arbitrarily according to different phase compensation.If reach the object of out of phase delay compensation, must increase or 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 liquid crystal display arbitrarily not change, and can only have single field-of-view mode.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of optical compensation films, the method for making of optical compensation films and liquid crystal panel, liquid crystal indicator, the phase-delay quantity of this optical compensation films and compensation model can change under electric field action, thus realize the conversion of liquid crystal display between different visual angles.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, a kind of optical compensation films is provided, comprises:
Liquid crystal compensation film, the layer of liquid crystal molecule that described liquid crystal compensation film comprises upper substrate, infrabasal plate and is arranged between described upper substrate and described infrabasal plate; And
For producing at least two transparency electrodes of electric field to described liquid crystal compensation film;
Described layer of liquid crystal molecule comprises liquid crystal molecule.
Preferably, the compensation rate of described liquid crystal compensation film is adjusted by the electrode voltage of the transparency electrode of described liquid crystal compensation film.
Preferably, described layer of liquid crystal molecule also comprises polymkeric substance.
Preferably, described layer of liquid crystal molecule also comprises: emulsion.
Preferably, described 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 comprising above-mentioned optical compensation films is provided.
Preferably, described liquid crystal panel, also comprises:
The lower polaroid superposed successively from top to bottom, first substrate, liquid crystal layer, second substrate and upper polaroid;
Described optical compensation films is on described between polaroid and lower polaroid;
Wherein, described optical compensation films described second substrate and described between polaroid, the first transparency electrode at least two transparency electrodes of described optical compensation films is positioned at the upside of the liquid crystal compensation film of described optical compensation films; The second transparency electrode at least two transparency electrodes of described optical compensation films is positioned at any side of described second substrate; Or
Described optical compensation films is between described first substrate and described lower polaroid; The first transparency electrode at least two transparency electrodes of described optical compensation films is positioned at the downside of the liquid crystal compensation film of described optical compensation films; The second transparency electrode at least two transparency electrodes of described optical compensation films is positioned at any side of described first substrate.
Preferably, described liquid crystal panel, also comprises:
The lower polaroid superposed successively from top to bottom, first substrate, liquid crystal layer, second substrate and upper polaroid;
Described optical compensation films is positioned on described upper polaroid.
The electrode of described optical compensation films comprises first area and the second area of multiple interlaced distribution,
Described first area has multiple first strip structure arranged in parallel, described first strip structure and described upper polaroid through axle, there is the first angle;
Described second area has multiple second strip structure arranged in parallel, described second strip structure and described upper polaroid through axle, there is the second angle,
Described first angle and described second angle opposite number each other.
Preferably, the absolute value of described first angle and the absolute value range of described second angle are all 40 ~ 50 degree.
Preferably, the absolute value of described first angle and the absolute value of described second angle are all 45 degree.
On the other hand, provide a kind of liquid crystal indicator, comprise above-mentioned liquid crystal panel.
On the other hand, a kind of method for making of optical compensation films is provided, comprises:
Liquid crystal compensation film is set, the layer of liquid crystal molecule that described liquid crystal compensation film comprises upper substrate, infrabasal plate and is arranged between described upper substrate and described infrabasal plate;
At least two transparency electrodes being used for described liquid crystal compensation film being produced to electric field are set.
Preferably, the forming step of described layer of liquid crystal molecule comprises:
By polymkeric substance and liquid crystal molecule mixing, form potpourri;
By described potpourri coating film-like, form coat film;
At the both sides added electric field of described coat film, described liquid crystal molecular orientation is arranged;
Polymkeric substance in described coat film is cured.
Embodiments of the invention have following beneficial effect:
In such scheme, optical compensation films comprises liquid crystal compensation film and transparency electrode.By the voltage of electric field that transparency electrode is formed, control the liquid crystal molecule in liquid crystal compensation film, make optical compensation films have different compensation effects, thus change the display view angle of liquid crystal panel.By changing the electrode pattern of optical compensation films, this optical compensation films can be easy to realize liquid crystal display from 2D(two dimension) three-dimensional to 3D() conversion that shows, this optical compensation film preparation is simple, is easy to realize.
Accompanying drawing explanation
Fig. 1 is the structural representation of illustrated a kind of optical compensation films;
Fig. 2 is the schematic diagram of the first embodiment of illustrated liquid crystal panel;
Fig. 3 is the schematic diagram of the second embodiment of illustrated liquid crystal panel;
Fig. 4 is the schematic diagram of the 3rd embodiment of illustrated liquid crystal panel;
Fig. 5 is the schematic diagram of the 4th embodiment of illustrated liquid crystal panel;
One schematic diagram of the electrode layer pattern that Fig. 6 is the optical compensation films shown in Fig. 5;
Another schematic diagram of the electrode layer pattern that Fig. 7 is the optical compensation films shown in Fig. 5;
Another schematic diagram of the electrode layer pattern that Fig. 8 is the optical compensation films shown in Fig. 5;
Fig. 9 is in the schematic diagram of OFF state for the electrode on the optical compensation films shown in Fig. 8;
Figure 10 is in the schematic diagram of ON state for the electrode on the optical compensation films shown in Fig. 8;
Figure 11 is that user passes through to wear the schematic diagram that rotatory polarization eyes realize 3-D effect;
Figure 12 is the schematic flow sheet of the method for making of illustrated a kind of optical compensation films;
Figure 13 is the schematic diagram of liquid crystal compensation film producing device and highfield;
Figure 14 is the schematic diagram of liquid crystal compensation film device in Figure 13.
Embodiment
For embodiments of the invention will be solved technical matters, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, be a kind of optical compensation films of the present invention, comprise:
Liquid crystal compensation film 10, the layer of liquid crystal molecule that described liquid crystal compensation film 10 comprises upper substrate, infrabasal plate and is arranged between described upper substrate and described infrabasal plate; And
For producing two transparency electrodes of electric field to described liquid crystal compensation film 10, two transparency electrodes are respectively transparency electrode 21 and lower transparency electrode 22;
Described 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 be described for two transparency electrodes in the embodiment of the present invention, but the quantity of transparency electrode also can be two or more.
Wherein, transparency electrode can be separately positioned on the both sides of liquid crystal compensation film 10; Also the same side of liquid crystal compensation film 10 can be all arranged on.
The compensation rate of described liquid crystal compensation film 10 is adjusted by the electrode voltage of the transparency electrode of described liquid crystal compensation film.
Described layer of liquid crystal molecule also comprises polymkeric substance, and polymkeric substance can be high molecular polymer.
Described layer of liquid crystal molecule also comprises: emulsion.Described 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 molecules parallel arranges, optical compensation films is+A compensate film; When liquid crystal molecule vertically arranges, optical compensation films is+C compensation film.The retardation of optical compensation films is determined by the anisotropy of liquid crystal molecule in this optical compensation films and thickness, is specially: Re=△ n × d, △ n=n
e-n
o, wherein, Re is the retardation of optical compensation films, and △ n is the difference of the anisotropic refraction rate of liquid crystal molecule in optical compensation films, and d is the thickness of liquid crystal compensation film, and ne is ordinary light refractive index, and no is non-ordinary light refractive index.
The dielectricity of liquid crystal molecule is divided into positivity and negativity, and when there being electric field, positivity liquid crystal molecule is arranged along electric field line, and negative liquid crystal molecule vertical electric field line is arranged.Transparency electrode 21 and 22 is one deck homogeneous electrode layer of coating, by the electric field controls between transparency electrode, can make the conversion between optical compensation films realization+C compensation film ,+A compensate film.
Below illustrate.
When liquid crystal molecule is positivity liquid crystal, optical compensation films is in OFF state, no-voltage between electrode layer, and now liquid crystal molecule is horizontal, and liquid crystal compensation film is made+A compensate film and used; When ON state, between electrode layer, produce vertical electric field, now liquid crystal molecule homeotropic alignment, liquid crystal compensation film work+C compensation film uses.Like this, under electric field action, optical compensation films just completes by the conversion of+A compensate film to+C compensation film.
When liquid crystal molecule is positivity liquid crystal, optical compensation films is in OFF state, no-voltage between electrode layer, now liquid crystal molecule homeotropic alignment, and optical compensation films work+C compensation film uses; When ON state, between electrode layer, produce horizontal component of electric field, now liquid crystal molecule is horizontal, and liquid crystal compensation film is made+A compensate film and used.Like this, under electric field action, optical compensation films just completes by the conversion to+A compensate film of+C compensation film.
When liquid crystal molecule is negative liquid crystal, optical compensation films is in OFF state, no-voltage between electrode layer, now liquid crystal molecule homeotropic alignment, and optical compensation films work+C compensation film uses; During ON state, between electrode layer, produce vertical electric field, now liquid crystal molecule is horizontal, and liquid crystal compensation film is made+A compensate film and used.Like this, under electric field action, optical compensation films just completes by the conversion to+A compensate film of+C compensation film.
When liquid crystal molecule is negative liquid crystal, optical compensation films is in OFF state, no-voltage between electrode layer, and now liquid crystal molecule is horizontal, and optical compensation films work+C compensation film uses; During ON state, between electrode layer, produce horizontal component of electric field, now liquid crystal molecule homeotropic alignment, liquid crystal compensation film is made+A compensate film and is used.Like this, under electric field action, optical compensation films just completes by the conversion of+A compensate film to+C compensation film.
In the present invention, by the change of electric field between transparency electrode in optical compensation films, optical compensation films plays different compensation effects, makes liquid crystal panel reach different display effects, can use on the display of any pattern as required.
Such as, changed by optical compensation films, to the visual angle redeeming of display panels, reduce liquid crystal viewing angle, realize secret protection.Principle is: the visual angle of liquid crystal display is determined by the contrast of all directions, determines primarily of oblique contrast.And the topmost factor affecting contrast is the dark-state light leak in stravismus direction, namely contrast equals the ratio between the brightness of on state of and the brightness of dark-state.When contrast is less than 10, human eye is difficult to the image seeing display clearly.The present embodiment is according to the positive negativity of liquid crystal molecule and initial arrangement mode; regulate the electrode voltage be applied to above optical compensation films; realize optical compensation films to change between+A and+C; to change the anisotropy retardation between two polaroids; thus increase dark-state light throughput, when looking side ways light leak and increasing, reduce contrast; thus reduce liquid crystal viewing angle, achieve the function of secret protection.
The invention provides a kind of liquid crystal panel comprising above-mentioned optical compensation films.
Described liquid crystal panel, also comprises:
The lower polaroid superposed successively from top to bottom, first substrate, liquid crystal layer, second substrate and upper polaroid;
Described optical compensation films is on described between polaroid and lower polaroid;
Wherein, described optical compensation films described second substrate and described between polaroid, the first transparency electrode of described optical compensation films is positioned at the upside of the liquid crystal compensation film of described optical compensation films; Second transparency electrode of described optical compensation films is positioned at any side of described second substrate; Or
Described optical compensation films is between described first substrate and described lower polaroid; First transparency electrode of described optical compensation films is positioned at the downside of the liquid crystal compensation film of described optical compensation films; Second transparency electrode of described optical compensation films is positioned at any side of described 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, comprising: the lower polaroid 61 superposed successively from top to bottom, array base palte (first substrate) 62, liquid crystal layer 63, color membrane substrates (second substrate) 64 and upper polaroid 65; Described optical compensation films 66 is on described between polaroid and lower polaroid.
First embodiment as shown in Figure 2, described optical compensation films 66 described color membrane substrates 64 and described between polaroid 65, the first transparency electrode of described optical compensation films is positioned at the upper substrate of the liquid crystal compensation film of described optical compensation films; Second transparency electrode of described optical compensation films is arranged on any side of described color membrane substrates.Wherein, second transparency electrode of described optical compensation films can be the common electrode layer on color membrane substrates, now, common electrode layer (i.e. the second transparency electrode) acting in conjunction on first transparency electrode of optical compensation films and color membrane substrates forms electric field, by changing the phase-delay quantity of electric field level and then change optical compensation films, realize the conversion between+A and+C compensation film, and then realize the change to liquid crystal display visual angle.
As shown in Figure 3, described optical compensation films 66 is between described array base palte 62 and described lower polaroid 61 for second embodiment; First transparency electrode of described optical compensation films is positioned at the infrabasal plate of the liquid crystal compensation film of described optical compensation films; Second transparency electrode of described optical compensation films is arranged on described array base palte.Wherein, the second transparency electrode of described optical compensation films can be the common electrode layer on array base palte.Now, common electrode layer (i.e. the second transparency electrode) acting in conjunction on the first transparency electrode of optical compensation films and array base palte forms electric field.
3rd embodiment as shown in Figure 4, described liquid crystal panel comprises two optical compensation films 66a and 66b, first optical compensation films 66a described color membrane substrates 64 and described between polaroid 65, the second optical compensation films 66b is between described array base palte 62 and described lower 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 the second transparency electrode directly can use the public electrode with anti-static electrification outside color membrane substrates, now, the public electrode acting in conjunction outside first transparency electrode of the first optical compensation films 66a and color membrane substrates 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 the second transparency electrode can directly use on array base palte as the common electrode layer that display uses, now, the common electrode layer acting in conjunction on the first transparency electrode of the second optical compensation films and array base palte forms electric field.
4th embodiment is situation about being applied in by optical compensation films of the present invention in 2D and 3D conversion panel, and concrete, as shown in Figure 5, liquid crystal panel comprises:
The lower polaroid 71 superposed successively from top to bottom, first substrate 72, liquid crystal layer 73, second substrate 74 and upper polaroid 75; Described optical compensation films 76 is positioned on described upper polaroid 75.First substrate can be array base palte, and second substrate can be color membrane substrates; Or second substrate can be array base palte, first substrate can be color membrane substrates.
As shown in Fig. 6, Fig. 7 or Fig. 8, the electrode of described optical compensation films 76 comprises first area A and the second area B of multiple interlaced distribution, can become the elliptically polarized light that two kinds have different rotary direction by the linearly polarized light of upper polaroid after A district and B district.First area is left-handed region in the present embodiment, and second area is dextrorotation region.
Described first area has multiple first strip structure arranged in parallel, described first strip structure and described upper polaroid through axle, there is the first angle;
Described second area has multiple second strip structure arranged in parallel, described second strip structure and described upper polaroid through axle, there is the second angle,
Described first angle and described second angle opposite number each other.
The absolute value of described first angle and the absolute value range of described second angle are all 40 ~ 50 degree.
Preferably, the absolute value of described first angle and the absolute value of described second angle are all 45 degree.Now, the circularly polarized light that two kinds have different rotary direction can be become by the linearly polarized light of upper polaroid after A district and B district.
Concrete, the spacing between the strip electrode in A district and B district is generally identical, and the strip electrode in A district and B district can be symmetrical structure (as shown in Figure 7 and Figure 8), also can be asymmetric (as shown in Figure 6).
By the design of the electrode to optical compensation films in the present invention, use the display of optical compensation films of the present invention can realize changing between two and three dimensions.The transfer process of two-dimensional effects to 3-D effect is below described.As shown in Figure 9, when the non-making alive of the electrode on optical compensation films is in OFF state, because liquid crystal molecule 96 vertically arranges, there is no retardation, realize two dimension display; As shown in Figure 10, when the electrode on optical compensation films adds that voltage is in ON state, liquid crystal molecule 96 deflects, the amount of being delayed.Concrete, adopt negative liquid crystal material, liquid crystal molecule homeotropic alignment during no-voltage condition, now by the linearly polarized light of upper polaroid by after liquid crystal molecule without phase-delay quantity, what realize like this is two-dimentional display, when adding that voltage forms vertical electric field, liquid crystal molecule deflects under electric field action, liquid crystal molecule becomes horizontally from homeotropic alignment, make the retardation of liquid crystal compensation film reach λ/4 simultaneously, wherein λ is the wavelength of light, because the absolute value through axle clamp angle of the A district of optical compensation films and the strip shaped electric poles in B district and upper polaroid is 45 degree, so the major axis of horizontal liquid crystal molecule 96 in A district and B district and the absolute value of the angle through axle of upper polaroid are also 45 degree (as shown in Figure 10), now can become by the linearly polarized light of upper polaroid the circularly polarized light (left circularly polarized light and right-circularly polarized light) that two kinds have different rotary direction behind the A district and B district of the optical compensation films of the present embodiment.The circularly polarized light in two kinds of different rotary directions enters left eye and the right eye of people respectively after rotatory polarization glasses, realizes 3-D effect, as shown in figure 11.
The present invention also provides a kind of liquid crystal indicator, comprises above-mentioned liquid crystal panel.
As shown in figure 12, be the method for making of a kind of optical compensation films of the present invention, comprise:
Step 21, arranges liquid crystal compensation film, the layer of liquid crystal molecule that described liquid crystal compensation film comprises upper substrate, infrabasal plate and is arranged between described upper substrate and described infrabasal plate;
Step 22, arranges at least two transparency electrodes being used for described liquid crystal compensation film being produced to electric field.
Wherein, the forming step of described layer of liquid crystal molecule comprises:
Step 221, by polymkeric substance and liquid crystal molecule mixing, forms potpourri; This step is specially: in required ratio by high molecular polymer and liquid crystal molecule mixing, can add a certain amount of emulsion, be used for accelerating the solidification of rete.
Step 222, by described potpourri coating film-like, forms coat film; This step is specially: in a device by this potpourri coating film-like, film thickness range can be 1 μm ~ 180 μm.
Step 223, at the both sides added electric field of described coat film, makes described liquid crystal molecular orientation arrange;
Step 224, is cured the polymkeric substance in described coat film.Curing mode can adopt UV illumination to penetrate, and can also pass through heat curing or other modes.
The method for making of optical compensation films of the present invention, adopt the mode of liquid crystal molecule and high molecular polymer mixing, utilize the dielectricity of liquid crystal molecule, orientations under the effect of electric field, and utilize the methods such as ultraviolet lighting to be cured film forming, make liquid crystal obtain initial orientation, then in the liquid crystal compensation film generated, construct different electrode layer pattern, the electric field orientation that liquid crystal molecule in liquid crystal compensation film is formed according to electrode, makes optical compensation films realize different phase-delay quantities and compensates.
The application scenarios of the method for making of illustrated a kind of optical compensation films is below described.
As shown in figure 13, be liquid crystal compensation film producing device 30 and highfield (comprising positive plate 40a and negative plate 40b).The direction of an electric field of highfield as shown in figure 13, this electric field E is DC electric field, positive plate and negative plate correspondence, when keeping liquid crystal compensation film location constant, electric field E direction is as shown in arrow in Figure 13, in reality, direction of an electric field can adjust arbitrarily as required, can do spherical 360 ° of omnibearing rotations at vertical direction and horizontal direction around central point 0.Electric field intensity can regulate according to the dielectricity intensity of liquid crystal molecule.
As shown in figure 14, be liquid crystal compensation film producing device 30, comprise: glass base station 31a and 31b, between glass base station, have the potpourri 32 of liquid crystal molecule and high molecular polymer.Glass base station has higher transparency, to ensure normally injecting of UV light.The potpourri 32 of liquid crystal molecule and high molecular polymer starts, for liquid state, can control its component ratio, makes it have higher mobility.For the liquid crystal compensation film that area is less, the mode of siphon can be adopted to make potpourri enter between glass base station; For the liquid crystal compensation film that area is larger, the mode instiling or apply can be adopted.The distance between two glass base stations is kept to meet parameter request, namely reach the thickness requirement of liquid crystal compensation film, the direction of arrow then in added electric field E(Figure 14 is the direction of an electric field of electric field E), liquid crystal molecule is orientation under the effect of electric field, meanwhile, polymkeric substance is cured.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. an optical compensation films, is characterized in that, comprising:
Liquid crystal compensation film, the layer of liquid crystal molecule that described liquid crystal compensation film comprises upper substrate, infrabasal plate and is arranged between described upper substrate and described infrabasal plate; And
For producing at least two transparency electrodes of electric field to described liquid crystal compensation film;
Described layer of liquid crystal molecule comprises liquid crystal molecule;
Described optical compensation films is applied in display panels, described display panels comprises the lower polaroid, first substrate, liquid crystal layer, second substrate and the upper polaroid that superpose successively from top to bottom, when described optical compensation films is between described second substrate and upper polaroid, the transparency electrode be not arranged in described at least two transparency electrodes on described upper substrate is the common electrode layer on described second substrate; When described optical compensation films is between described first substrate and lower polaroid, the transparency electrode be not arranged in described at least two transparency electrodes on described infrabasal plate is the common electrode layer on described first substrate.
2. optical compensation films according to claim 1, is characterized in that, the compensation rate of described liquid crystal compensation film is adjusted by the electrode voltage of the transparency electrode of described liquid crystal compensation film.
3. optical compensation films according to claim 1, is characterized in that, described layer of liquid crystal molecule also comprises polymkeric substance.
4. optical compensation films according to claim 3, is characterized in that, described layer of liquid crystal molecule also comprises: emulsion.
5. the optical compensation films according to the arbitrary claim of claim 1-4, is characterized in that, described liquid crystal molecule is positivity liquid crystal molecule, negative liquid crystal molecule or blue phase liquid crystal molecule.
6. one kind comprises the liquid crystal panel of the optical compensation films described in the arbitrary claim of claim 1-5.
7. liquid crystal panel according to claim 6, is characterized in that, also comprises:
The lower polaroid superposed successively from top to bottom, first substrate, liquid crystal layer, second substrate and upper polaroid;
Described optical compensation films is on described between polaroid and lower polaroid;
Wherein, described optical compensation films described second substrate and described between polaroid, the first transparency electrode at least two transparency electrodes of described optical compensation films is positioned at the upside of described liquid crystal compensation film; The second transparency electrode at least two transparency electrodes of described optical compensation films is positioned at the side of described second substrate described first substrate dorsad; Or
Described optical compensation films is between described first substrate and described lower polaroid; The first transparency electrode at least two transparency electrodes of described optical compensation films is positioned at the downside of the liquid crystal compensation film of described optical compensation films; The second transparency electrode at least two transparency electrodes of described optical compensation films is positioned at the side of described first substrate towards described second substrate.
8. liquid crystal panel according to claim 6, is characterized in that, also comprises:
The lower polaroid superposed successively from top to bottom, first substrate, liquid crystal layer, second substrate and upper polaroid;
Described optical compensation films is positioned on described upper polaroid.
9. liquid crystal panel according to claim 8, is characterized in that,
The electrode of described optical compensation films comprises first area and the second area of multiple interlaced distribution,
Described first area has multiple first strip structure arranged in parallel, described first strip structure and described upper polaroid through axle, there is the first angle;
Described second area has multiple second strip structure arranged in parallel, described second strip structure and described upper polaroid through axle, there is the second angle,
Described first angle and described second angle opposite number each other.
10. liquid crystal panel according to claim 9, is characterized in that,
The absolute value of described first angle and the absolute value range of described second angle are all 40 ~ 50 degree.
11. liquid crystal panels according to claim 10, is characterized in that,
The absolute value of described first angle and the absolute value of described second angle are all 45 degree.
12. 1 kinds of liquid crystal indicators, comprise the liquid crystal panel described in the arbitrary claim of claim 6-11.
The method for making of 13. 1 kinds of optical compensation films, is characterized in that, comprising:
Liquid crystal compensation film is set, the layer of liquid crystal molecule that described liquid crystal compensation film comprises upper substrate, infrabasal plate and is arranged between described upper substrate and described infrabasal plate;
At least two transparency electrodes being used for described liquid crystal compensation film being produced to electric field are set;
Described optical compensation films is applied in display panels, described display panels comprises the lower polaroid, first substrate, liquid crystal layer, second substrate and the upper polaroid that superpose successively from top to bottom, when described optical compensation films is between described second substrate and upper polaroid, the transparency electrode be not arranged in described at least two transparency electrodes on described upper substrate is the common electrode layer on described second substrate; When described optical compensation films is between described first substrate and lower polaroid, the transparency electrode be not arranged in described at least two transparency electrodes on described infrabasal plate is the common electrode layer on described first substrate.
The method for making of 14. optical compensation films according to claim 13, is characterized in that, the forming step of described layer of liquid crystal molecule comprises:
By polymkeric substance and liquid crystal molecule mixing, form potpourri;
By described potpourri coating film-like, form coat film;
At the both sides added electric field of described coat film, described liquid crystal molecular orientation is arranged;
Polymkeric substance in described coat film is cured.
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| CN114660853A (en) * | 2022-03-07 | 2022-06-24 | Tcl华星光电技术有限公司 | Display device |
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| CN102830547A (en) | 2012-12-19 |
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