CN103018965A - Advanced super dimension switch liquid crystal display device and manufacturing method thereof - Google Patents
Advanced super dimension switch liquid crystal display device and manufacturing method thereof Download PDFInfo
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Abstract
The invention discloses an advanced super dimension switch liquid crystal display device and a manufacturing method thereof. The display screen comprises a first substrate, a second substrate, two photosensitive oriented layers and electrodes, the two photosensitive oriented layers are formed between the first substrate and the second substrate; the electrodes are formed between the photosensitive oriented layers and the first substrate; and the electrodes comprises pixel electrodes and a common electrode isolated by an insulating layer. The two photosensitive oriented layers are respectively provided with first oriented areas and second oriented areas, wherein the first oriented areas and the second oriented areas are arranged at intervals; each first oriented area has a first orientation; each second orientated area has a second orientation; the first orientation and the second orientation are vertical to each other; an included angle formed between the first orientation of each photosensitive oriented layer and an included angle formed between the second orientation of each photosensitive oriented layer are equal; liquid crystal is provided with a first domain region and a second domain region which respectively correspond to the first orientated area and the second orientated area of the corresponding photosensitive oriented layer. Enhancement mode (E-mode) and open mode (O-mode) are applied in the display screen at the same time, and therefore, contrast, viewing angles and color cast are improved at the same time.
Description
Technical field
The present invention relates to field of liquid crystal display, relate in particular to a kind of senior super Wei Chang conversion liquid crystal indicator and preparation method thereof.
Background technology
In lcd technology, a senior super dimension switch technology ADS(Advanced Super DimensionSwitch) the electric field formation multi-dimensional electric field that to be the electric field that produces by gap electrode edge in the same plane and gap electrode layer produce with the plate electrode interlayer, make between the gap electrode in the liquid crystal cell and the liquid crystal molecule directly over the electrode can both produce deflection, thereby improve the liquid crystal work efficiency and increased the technology of light transmission efficiency.
Usually, according to liquid crystal molecular orientation the liquid crystal display of a senior super dimension switch technology is carried out following division: E-Mode, under the powering state, the orientation of liquid crystal is not vertical with the absorption axes of lower polaroid in the liquid crystal display cell; O-Mode, under the powering state, the orientation of liquid crystal is not parallel with the absorption axes of lower polaroid in the liquid crystal display cell.At aspect of performance, the contrast of E-Mode liquid crystal display cell (Contrast Ratio) is worse than O-Mode; Visual angle (View Angle), colour cast (Color Shift) are better than O-Mode, this shows, still there is the deficiency on the performance in the senior super Wei Chang conversion display screen of single-mode.
Summary of the invention
The purpose of this invention is to provide a kind of senior super Wei Chang conversion liquid crystal indicator and preparation method thereof, to solve the senior super Wei Chang conversion LCDs problem that contrast, visual angle and colour cast can not be improved simultaneously in demonstration of O-Mode/E-Mode pattern single in the prior art.
The objective of the invention is to be achieved through the following technical solutions:
The embodiment of the invention provides a kind of senior super Wei Chang conversion LCDs, comprise first substrate, second substrate, liquid crystal, be formed at described first substrate and second substrate two sensitization oriented layer, be formed at the electrode between described sensitization oriented layer and the described first substrate, described electrode comprises pixel electrode and the public electrode that is separated by insulation course;
Described sensitization oriented layer has spaced the first orientation area and the second orientation area, and described the first orientation area has the first orientation, and described the second orientation area has the second orientation, and described the first orientation is mutually vertical with described the second orientation; Described the first orientation and described second orientation of described sensitization oriented layer form the angle that equates with described pixel electrode;
Described liquid crystal has first farmland district and the second farmland district corresponding with described first orientation area of described sensitization oriented layer and described the second orientation area.
Preferably, also comprise the first polaroid that is arranged at the described first substrate outside, be arranged at second polaroid in the described second substrate outside; Wherein,
The absorption axes of described the first polaroid is parallel with described the first orientation, and the absorption axes of described the second polaroid is parallel with described the second orientation; Perhaps,
The absorption axes of described the first polaroid is parallel with described the second orientation, and the absorption axes of described the second polaroid is parallel with described the first orientation.
Preferably, described pixel electrode comprises first electrode corresponding with described the first orientation area, second electrode corresponding with described the second orientation area, described the first orientation and angle and described second between described the first electrode be orientated with described the second electrode between angle equate.
Preferably, the angle between described the first electrode and described the second electrode is 90 ° of 0 ° of ﹤ ω ﹤, and the angle between the angle between described the first orientation and described the first electrode and described the second orientation and described the second electrode is 45 ° of 0 ° of ﹤ Ф ﹤; Perhaps,
Angle between described the first electrode and described the second electrode is ω=90 °, described the first orientation be orientated with angle and described second between described the first electrode and described the second electrode between angle be Ф=45 °; Perhaps,
Angle between described the first electrode and described the second electrode is 180 ° of 90 ° of ﹤ ω ﹤, and the angle between the angle between described the first orientation and described the first electrode and described the second orientation and described the second electrode is 45 ° of 0 ° of ﹤ Ф ﹤; Perhaps,
Described the first electrode and described the second electrode on same straight line, described the first orientation be orientated with angle and described second between described the first electrode and described the second electrode between angle be Ф=45 °.
Preferably, described the first farmland district and described the second farmland district are the strip region of vertical or level, and described the first electrode or the second electrode cover half row or hemistich farmland district at least.
Embodiment of the invention beneficial effect is as follows: by having the oriented layer of spaced the first orientation area and the second orientation area, make the different farmland district of two angles of orientation of Formation of liquid crystals, be respectively the O-Mode/E-Mode pattern of senior super Wei Chang conversion ADS technology, improve when having realized contrast, visual angle and colour cast.
Preferred embodiment of the present invention provides an a kind of senior super dimension conversion liquid crystal display, comprises above-mentioned display screen.
Preferred embodiment of the present invention provides a kind of method for making of senior super Wei Chang conversion LCDs, comprises the steps:
First substrate and second substrate are provided, form electrode on the surface of described first substrate, described electrode comprises pixel electrode and the public electrode that is separated by insulation course;
Form two sensitization oriented layer with spaced the first orientation area and second orientation area at described first substrate and described second substrate; Described the first orientation area has the first orientation, and described the second orientation area has the second orientation, and described the first orientation is mutually vertical with described the second orientation; Wherein, described first orientation of described sensitization oriented layer and described the second orientation equate with the angle that described pixel electrode forms;
Between described first substrate and second substrate, liquid crystal is set, makes the described Formation of liquid crystals first farmland district corresponding with described the first orientation area and described the second orientation area and the second farmland district by described sensitization oriented layer.
Preferably, also be included in described first substrate arranged outside the first polaroid, at described second substrate arranged outside the second polaroid; Wherein,
The absorption axes of described the first polaroid is parallel with described the first orientation, and the absorption axes of described the second polaroid is parallel with described the second orientation; Perhaps,
The absorption axes of described the first polaroid is parallel with described the second orientation, and the absorption axes of described the second polaroid is parallel with described the first orientation.
Preferably, make described sensitization oriented layer form spaced the first orientation area and the second orientation area, step is as follows:
Utilize friction orientation technique to make described sensitization oriented layer have described the first orientation,
One mask plate is provided, and described mask plate has shading region and the photic zone that parallel interval is arranged;
Utilization is without the described mask plate of the UV-irradiation of polarization direction, eliminate the orientation in zone corresponding with described photic zone on the described sensitization oriented layer, make described sensitization oriented layer form first orientation area and second orientation area corresponding with described shading region and photic zone;
Utilize the described mask plate of UV-irradiation of a regulation polarization direction, make described the second orientation area have the second orientation.
Preferably, make described sensitization oriented layer form spaced the first orientation area and the second orientation area, step is as follows:
One mask plate is provided, and described mask plate has shading region and the photic zone that parallel interval is arranged;
Utilize the described mask plate of UV-irradiation of a regulation polarization direction, make that the zone corresponding with photic zone forms described the first orientation area on the described sensitization oriented layer;
Mobile described mask plate makes described shading region block described the first orientation area, utilizes the described mask plate of UV-irradiation of another regulation polarization direction, makes zone corresponding to described photic zone form the second orientation area.
Preferably, the described pixel electrode that forms comprises the first electrode and the second electrode, described the first orientation area and described the first electrode are with described corresponding, described the second orientation area and described the second electrode pair should, and described the first orientation and angle and described second between described the first electrode be orientated with described the second electrode between angle equate.
Embodiment of the invention beneficial effect is as follows: have spaced the first orientation area and the second orientation area by making oriented layer, make the different farmland district of two angles of orientation of Formation of liquid crystals, realize the common application of the O-Mode/E-Mode pattern of senior super Wei Chang conversion ADS technology, and then improve when having realized contrast, visual angle and colour cast.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one described display screen;
Fig. 2 is polaroid, oriented layer and the liquid crystal layer synoptic diagram of the embodiment of the invention one described display screen;
Fig. 3 to Figure 12 is the electrode angle of the middle-and-high-ranking super Wei Chang conversion LCDs of the embodiment of the invention, and the synoptic diagram that powers up front and back liquid crystal and electrode variable angle;
Figure 13 is the process flow diagram of the method for making of the embodiment of the invention four described display screens.
Embodiment
Be elaborated below in conjunction with the implementation procedure of Figure of description to the embodiment of the invention.
The embodiment of the invention one, a kind of senior super Wei Chang conversion LCDs is provided, as shown in Figure 1, first substrate 101, second substrate 102, liquid crystal 103, be formed at first substrate 101 and second substrate 102 two sensitization oriented layer 104, be formed at the electrode 105 between sensitization oriented layer 104 and the first substrate 101, electrode 105 comprises pixel electrode 106 and the public electrode 107 that is separated by insulation course; Sensitization oriented layer 104 has spaced the first orientation area 1041 and the second orientation area 1042, the first orientation area 1041 have the first orientation, and the second orientation area 1042 has the second orientation, and the first orientation is mutually vertical with the second orientation; The first orientation of sensitization oriented layer 104 and the second orientation form the angle that equates with pixel electrode 106.In addition, two sensitization oriented layer 104 are formed at first substrate 101 and second substrate 102 opposite flanks.
Liquid crystal 103 has first farmland district 1031 and the second farmland district 1032 corresponding with the first orientation area 1041 of sensitization oriented layer 104 and the second orientation area 1042.
Preferably, also comprise the first polaroid 108 that is arranged at first substrate 101 outsides, be arranged at second polaroid 109 in second substrate 102 outsides; Wherein,
The absorption axes of the first polaroid 108 is parallel with the first orientation, and the absorption axes of the second polaroid 109 is parallel with the second orientation; Perhaps,
The absorption axes of the first polaroid 108 is parallel with the second orientation, and the absorption axes of the second polaroid 109 is parallel with the first orientation.
Preferably, pixel electrode 106 comprises first electrode 1061 corresponding with the first orientation area 1041, second electrode 1062, the first orientations corresponding with the second orientation area 1042 and the angle and second between the first electrode 1061 be orientated with the second electrode 1062 between angle equate.
Preferably, the angle between the first electrode 1061 and the second electrode 1062 is 90 ° of 0 ° of ﹤ ω ﹤, and the angle between the angle between the first orientation and the first electrode 1061 and the second orientation and the second electrode 1062 is 45 ° of 0 ° of ﹤ Ф ﹤; Perhaps,
Angle between the first electrode 1061 and the second electrode 1062 is ω=90 °, the first orientation be orientated with angle and second between the first electrode 1061 and the second electrode 1062 between angle be Ф=45 °; Perhaps,
Angle between the first electrode 1061 and the second electrode 1062 is 180 ° of 90 ° of ﹤ ω ﹤, and the angle between the angle between the first orientation and the first electrode 1061 and the second orientation and the second electrode 1062 is 45 ° of 0 ° of ﹤ Ф ﹤; Perhaps,
The first electrode 1061 and the second electrode 1062 on same straight line, the first orientation be orientated with angle and second between the first electrode 1061 and the second electrode 1062 between angle be Ф=45 °.
Preferably, district 1031, described the first farmland and described the second farmland district 1032 are the strip region of vertical or level, and described the first electrode 1061 or the second electrode 1062 cover half row or hemistich farmland district at least.
The accompanying drawing 2 of the embodiment of the invention one is polaroid, oriented layer and the liquid crystal layer synoptic diagram of display screen, and wherein, the absorption axes of the first polaroid 108 is that the absorption axes of 1081, the second polaroids 109 is 1091;
It is mutually vertical with the orientation of the second orientation area 1042 that sensitization oriented layer 104 has the orientation of the first orientation area 1041 and the second orientation area 1042, the first orientation area 1041; Corresponding, liquid crystal 103 forms the first farmland district 1031 and the second farmland district 1032; The absorption axes 1081 of the first polaroid is parallel with the orientation of the first orientation area 1041, and the absorption axes 1091 of the second polaroid is parallel with the orientation of the second orientation area 1042.Certainly, the first polaroid 108 and the second polaroid 109 can be exchanged, so that the absorption axes 1081 of the first polaroid 108 is parallel with the orientation of the second orientation area 1042, the absorption axes 1091 of the second polaroid 109 is parallel with the orientation of the first orientation area 1041, although do not illustrate with accompanying drawing, but can be expected by the present invention, can implement the present invention equally.
In the preferred embodiment, the strip region that the first orientation area 1041 and the second orientation area 1042 are arranged for parallel interval.
The display screen that the invention described above provides, two kinds of patterns of corresponding E-Mode and O-Mode when not powering up, are in normal black attitude.
Embodiment of the invention beneficial effect is as follows: oriented layer has spaced the first orientation area and the second orientation area, make the different farmland district of two angles of orientation of Formation of liquid crystals, and the liquid crystal after arranging and being orientated has the electrode of certain angle, realize the common application of the O-Mode/E-Mode pattern of senior super Wei Chang conversion ADS technology, and then when display screen shows, realized improving in contrast, visual angle and the colour cast.
The embodiment of the invention two provides an a kind of senior super dimension conversion liquid crystal display, comprises above-mentioned display screen.
The embodiment of the invention three, the display that provides according to the embodiment of the invention one, when carrying out the image demonstration, be affixed by making alive at public electrode and pixel electrode, so that the first orientation area of sensitization oriented layer and liquid crystal corresponding to the second orientation area deflect, thereby adjust the transmitance of display screen so that display screen can correctly show image, the angle that the liquid crystal after the simultaneously deflection and pixel electrode form changes.
The transmitance formula of display screen is:
Wherein,
Be the liquid crystal deflection angle, T is transmitance, and d is the thickness of liquid crystal cell, Δ n liquid crystal each to incorgruous poor, λ is for seeing through light wavelength.
By the transmitance formula, obviously when use for same specification display screens, can not consider its liquid crystal cell thickness d, liquid crystal each to incorgruous difference Δ n with see through light wavelength λ, only need consideration liquid crystal deflection angle
Preferably, when transmitance was maximum, deflection angle was 45 °.
Preferably, when transmitance is maximum, executing alive span between pixel electrode and the common electrode between 4.0 volts to 7.5 volts; Wherein, pixel electrode comprises the first electrode and the second electrode.
Preferably, make the liquid crystal deflection angle that respectively deflection equates in the first farmland district and the second farmland district after, angle comprises between the liquid crystal in the first farmland district and the second farmland district:
When the angle between the first electrode and the second electrode was 90 ° of 0 ° of ﹤ ω ﹤, the angle between the liquid crystal in the first farmland district and the second farmland district was
When transmitance was maximum, the angle between the liquid crystal in the first farmland district and the second farmland district was 180 °; Perhaps,
When the angle between the first electrode and the second electrode was ω=90 °, the angle between the liquid crystal in the first farmland district and the second farmland district was 90 °; When transmitance was maximum, the angle between the liquid crystal in the first farmland district and the second farmland district was 90 °; Perhaps,
When the angle between the first electrode and the second electrode was 180 ° of 90 ° of ﹤ ω ﹤, the angle between the liquid crystal in the first farmland district and the second farmland district was
When transmitance was maximum, the angle between the liquid crystal in the first farmland district and the second farmland district was 0 °; Perhaps,
The first electrode and the second electrode are on same straight line the time, and the angle between the liquid crystal in the first farmland district and the second farmland district is
When transmitance was maximum, the angle between the liquid crystal in the first farmland district and the second farmland district was 0 °;
In addition, when liquid crystal deflecting element arrived to a certain degree, continued to apply voltage this moment, and liquid crystal molecule can not continue deflection, i.e. deflection is in the limit.Usually, under this state, between pixel electrode and common electrode, execute alive value more than or equal to 8 volts.
In order better to describe angle and the liquid crystal deflection angle between angle, electrode and the liquid crystal between the electrode, below in conjunction with accompanying drawing 3 to accompanying drawing 12, to the angle between the first electrode 1061 and the second electrode 1062, and do not power up with powering state under the deflection of liquid crystal be elaborated.Preferred version is as follows:
Preferred version one: when not powering up, the angle between the first electrode 1061 and the second electrode 1062 is 90 ° of 0 ° of ﹤ ω ﹤; Angle between liquid crystal in the first farmland district 1031 and described the first electrode 1061 and the liquid crystal in described the second farmland district 1032 and the angle between described the second electrode 1062 are 45 ° of 0 ° of ﹤ Ф ﹤.
As shown in Figure 3, angle between the first electrode 1061 and the second electrode 1062 is 90 ° of 0 ° of ﹤ ω ﹤, and the angle between the liquid crystal in the first farmland district 1031 and the first electrode 1061 and the liquid crystal in the second farmland district 1032 and the angle between the second electrode 1062 are 45 ° of 0 ° of ﹤ Ф ﹤.When to electrode application voltage, the liquid crystal in the first farmland district 1031 and the second farmland district 1032 deflects.As shown in Figure 4, when the liquid crystal deflection angle
When being 45 °, it is maximum that transmitance reaches, and at this moment, the angle between the liquid crystal in the first farmland district 1031 and the second farmland district 1032 is 180 °, namely is arranged parallel to each other.The voltage that increase applies electrode, until the liquid crystal deflection in the first farmland district 1031 and the second farmland district 1032 is to parallel with direction of an electric field, as shown in Figure 5, the angle between the liquid crystal in the first farmland district 1031 and the second farmland district 1032 is
After electrode being applied a voltage and making liquid crystal reach tilt limit, if continue to apply voltage, then not again deflection of liquid crystal should be noted that when liquid crystal reached tilt limit, transmitance was not maximal value.
Preferred version two: when not powering up, angle between the first electrode 1061 and the second electrode 1062 is ω=90 °, and the angle between the liquid crystal in the first farmland district 1031 and the first electrode 1061 and the liquid crystal in the second farmland district 1032 and the angle between the second electrode 1062 are Ф=45 °;
As shown in Figure 6, the angle between the first electrode 1061 and the second electrode 1062 is ω=90 °, and the angle between the liquid crystal in the first farmland district 1031 and the first electrode 1061 and the liquid crystal in the second farmland district 1032 and the angle between the second electrode 1062 are Ф=45 °.When to electrode application voltage, the liquid crystal in the first farmland district 1031 and the second farmland district 1032 deflects, as shown in Figure 7, and when the liquid crystal deflection angle
When being 45 °, it is maximum that transmitance reaches, and the angle between the liquid crystal in the first farmland district 1031 and the second farmland district 1032 is 90 °, i.e. mutual homeotropic alignment.Because this moment, the direction of liquid crystal was parallel with direction of an electric field, therefore continue to increase the voltage that electrode is applied, liquid crystal can not carry out deflection more yet, so this moment, liquid crystal reached tilt limit.
Preferred version three: when not powering up, angle between the first electrode 1061 and the second electrode 1062 is 180 ° of 90 ° of ﹤ ω ﹤, and the angle between the liquid crystal in the first farmland district 1031 and the first electrode 1061 and the liquid crystal in the second farmland district 1032 and the angle between the second electrode 1062 are 45 ° of 0 ° of ﹤ Ф ﹤;
As shown in Figure 8, angle between the first electrode 1061 and the second electrode 1062 is 180 ° of 90 ° of ﹤ ω ﹤, and the angle between the liquid crystal in the first farmland district 1031 and the first electrode 1061 and the liquid crystal in the second farmland district 1032 and the angle between the second electrode 1062 are 45 ° of 0 ° of ﹤ Ф ﹤.When to electrode application voltage, the liquid crystal in the first farmland district 1031 and the second farmland district 1032 deflects.As shown in Figure 9, when the liquid crystal deflection angle
When being 45 °, it is maximum that transmitance reaches, and at this moment, the angle between the liquid crystal in the first farmland district 1031 and the second farmland district 1032 is 0 °, namely is arranged parallel to each other.The voltage that increase applies electrode, until the liquid crystal deflection in the first farmland district 1031 and the second farmland district 1032 is to parallel with direction of an electric field, as shown in figure 10, the angle between the liquid crystal in the first farmland district 1031 and the second farmland district 1032 is
After electrode being applied a voltage and making liquid crystal reach tilt limit, if continue to apply voltage, then not again deflection of liquid crystal should be noted that when liquid crystal reached tilt limit, transmitance was not maximal value.
Preferred version four: when not powering up, angle between the first electrode 1061 and the second electrode 1062 is ω=180 °, and the angle between the liquid crystal in the first farmland district 1031 and the first electrode 1061 and the liquid crystal in the second farmland district 1032 and the angle between the second electrode 1062 are Ф=45 °;
As shown in figure 11, angle between the first electrode 1061 and the second electrode 1062 is ω=180 °, and the angle between the liquid crystal in the first farmland district 1031 and the first electrode 1061 and the liquid crystal in the second farmland district 1032 and the angle between the second electrode 1062 are Ф=45 °.When to electrode application voltage, the liquid crystal in the first farmland district 1031 and the second farmland district 1032 deflects, as shown in figure 12, and when the liquid crystal deflection angle
When being 45 °, it is maximum that transmitance reaches, and the angle between the liquid crystal in the first farmland district 1031 and the second farmland district 1032 is 0 °, namely is arranged parallel to each other.Because this moment, the direction of liquid crystal was parallel with direction of an electric field, therefore continue to increase the voltage that electrode is applied, liquid crystal can not carry out deflection more yet, so this moment, liquid crystal reached tilt limit.
Embodiment of the invention beneficial effect is as follows: by having the oriented layer of spaced the first orientation area and the second orientation area, make the different farmland district of two angles of orientation of Formation of liquid crystals, be respectively the O-Mode/E-Mode pattern of senior super Wei Chang conversion ADS technology, and electrode and liquid crystal have certain angle, the transmitance of adjusting the liquid crystal deflection angle and then adjusting display screen by electrode being applied different voltage is improved when having realized contrast, visual angle and colour cast.
The embodiment of the invention four provides a kind of senior super Wei Chang to change the method for making of LCDs, and as shown in figure 13, step is as follows:
Step S101 provides first substrate and second substrate, forms electrode on the surface of first substrate, and electrode comprises pixel electrode and the public electrode that is separated by insulation course.
Step S102 forms the sensitization oriented layer with spaced the first orientation area and second orientation area at first substrate and second substrate; The first orientation area has the first orientation, and the second orientation area has the second orientation, and the first orientation is mutually vertical with the second orientation; The first orientation and second orientation of wherein, sensitization oriented layer equate with the angle that pixel electrode forms.
Step S103 arranges liquid crystal between first substrate and second substrate, make the Formation of liquid crystals first farmland district corresponding with the first orientation area and the second orientation area and the second farmland district by the sensitization oriented layer.
Preferably, also be included in first substrate arranged outside the first polaroid, at second substrate arranged outside the second polaroid; Wherein,
The absorption axes of the first polaroid is parallel with the first orientation, and the absorption axes of the second polaroid is parallel with the second orientation; Perhaps,
The absorption axes of the first polaroid is parallel with the second orientation, and the absorption axes of the second polaroid is parallel with the first orientation.
Preferably, make the sensitization oriented layer form spaced the first orientation area and the second orientation area, step is as follows:
Step 1 utilizes friction orientation technique to make the sensitization oriented layer have the first orientation,
Step 2 provides a mask plate, and mask plate has shading region and the photic zone that parallel interval is arranged;
Step 3 is utilized the UV-irradiation mask plate without the polarization direction, eliminates the orientation in zone corresponding with photic zone on the sensitization oriented layer, makes sensitization oriented layer formation first orientation area corresponding with shading region and photic zone and the second orientation area;
Step 4 is utilized the UV-irradiation mask plate of a regulation polarization direction, makes the second orientation area have the second orientation.
Preferably, make the sensitization oriented layer form spaced the first orientation area and the second orientation area, step is as follows:
Step 1 provides a mask plate, and mask plate has shading region and the photic zone that parallel interval is arranged;
Step 2 is utilized the UV-irradiation mask plate of a regulation polarization direction, makes zone corresponding with photic zone on the sensitization oriented layer form the first orientation area;
Step 3, mobile mask plate makes shading region block the first orientation area, utilizes the UV-irradiation mask plate of another regulation polarization direction, makes zone corresponding to photic zone form the second orientation area.
In the above preferred embodiment, the ultraviolet light of regulation polarization direction can be realized by the ultraviolet light polarizer.In addition, the ultraviolet light wavelength is between the 200nm to 400nm.
Preferably, the pixel electrode that forms comprises the first electrode and the second electrode, the first orientation area and the first electrode be with corresponding, the second orientation area and the second electrode pair should, and the first orientation and angle and second between the first electrode be orientated with the second electrode between angle equate.
Embodiment of the invention beneficial effect is as follows: have spaced the first orientation area and the second orientation area by making oriented layer, make the different farmland district of two angles of orientation of Formation of liquid crystals, realize the common application of the O-Mode/E-Mode pattern of senior super Wei Chang conversion ADS technology, and then improve when having realized contrast, visual angle and colour cast.
Above embodiment is preferred scheme, has the first orientation area for forming in the sensitization oriented layer, and make the first orientation of the first orientation area parallel with the absorption axes of the first polaroid, have several different methods to finish, and do not affect enforcement of the present invention.
Need to prove, more than accompanying drawing shown in all embodiment be in order more clearly to describe, should not become limitation of the present invention with figure.Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (11)
1. a senior super Wei Chang changes LCDs, comprise first substrate, second substrate, liquid crystal, be formed at described first substrate and second substrate two sensitization oriented layer, be formed at the electrode between described sensitization oriented layer and the described first substrate, described electrode comprises pixel electrode and the public electrode that is separated by insulation course; It is characterized in that:
Described sensitization oriented layer has spaced the first orientation area and the second orientation area, and described the first orientation area has the first orientation, and described the second orientation area has the second orientation, and described the first orientation is mutually vertical with described the second orientation; Described the first orientation and described second orientation of described sensitization oriented layer form the angle that equates with described pixel electrode;
Described liquid crystal has first farmland district and the second farmland district corresponding with described first orientation area of described sensitization oriented layer and described the second orientation area.
2. display screen as claimed in claim 1 is characterized in that, also comprises the first polaroid that is arranged at the described first substrate outside, is arranged at second polaroid in the described second substrate outside; Wherein,
The absorption axes of described the first polaroid is parallel with described the first orientation, and the absorption axes of described the second polaroid is parallel with described the second orientation; Perhaps,
The absorption axes of described the first polaroid is parallel with described the second orientation, and the absorption axes of described the second polaroid is parallel with described the first orientation.
3. display screen as claimed in claim 1, it is characterized in that, described pixel electrode comprises first electrode corresponding with described the first orientation area, second electrode corresponding with described the second orientation area, described the first orientation and angle and described second between described the first electrode be orientated with described the second electrode between angle equate.
4. display screen as claimed in claim 3, it is characterized in that, angle between described the first electrode and described the second electrode is 90 ° of 0 ° of ﹤ ω ﹤, and the angle between the angle between described the first orientation and described the first electrode and described the second orientation and described the second electrode is 45 ° of 0 ° of ﹤ Ф ﹤; Perhaps,
Angle between described the first electrode and described the second electrode is ω=90 °, described the first orientation be orientated with angle and described second between described the first electrode and described the second electrode between angle be Ф=45 °; Perhaps,
Angle between described the first electrode and described the second electrode is 180 ° of 90 ° of ﹤ ω ﹤, and the angle between the angle between described the first orientation and described the first electrode and described the second orientation and described the second electrode is 45 ° of 0 ° of ﹤ Ф ﹤; Perhaps,
Described the first electrode and described the second electrode on same straight line, described the first orientation be orientated with angle and described second between described the first electrode and described the second electrode between angle be Ф=45 °.
5. display screen as claimed in claim 3 is characterized in that, described the first farmland district and described the second farmland district are the strip region of vertical or level, and described the first electrode or the second electrode cover half row or hemistich farmland district at least.
6. a senior super dimension conversion liquid crystal display is characterized in that, comprises such as each described display screen of claim 1 to 5.
7. the method for making of a senior super Wei Chang conversion LCDs is characterized in that step is as follows:
First substrate and second substrate are provided, form electrode on the surface of described first substrate, described electrode comprises pixel electrode and the public electrode that is separated by insulation course;
Form two sensitization oriented layer with spaced the first orientation area and second orientation area at described first substrate and described second substrate; Described the first orientation area has the first orientation, and described the second orientation area has the second orientation, and described the first orientation is mutually vertical with described the second orientation; Wherein, described first orientation of described sensitization oriented layer and described the second orientation equate with the angle that described pixel electrode forms;
Between described first substrate and second substrate, liquid crystal is set, makes the described Formation of liquid crystals first farmland district corresponding with described the first orientation area and described the second orientation area and the second farmland district by described sensitization oriented layer.
8. method as claimed in claim 7 is characterized in that, also is included in described first substrate arranged outside the first polaroid, at described second substrate arranged outside the second polaroid; Wherein,
The absorption axes of described the first polaroid is parallel with described the first orientation, and the absorption axes of described the second polaroid is parallel with described the second orientation; Perhaps,
The absorption axes of described the first polaroid is parallel with described the second orientation, and the absorption axes of described the second polaroid is parallel with described the first orientation.
9. method as claimed in claim 7 is characterized in that, makes described sensitization oriented layer form spaced the first orientation area and the second orientation area, and step is as follows:
Utilize friction orientation technique to make described sensitization oriented layer have described the first orientation,
One mask plate is provided, and described mask plate has shading region and the photic zone that parallel interval is arranged;
Utilization is without the described mask plate of the UV-irradiation of polarization direction, eliminate the orientation in zone corresponding with described photic zone on the described sensitization oriented layer, make described sensitization oriented layer form first orientation area and second orientation area corresponding with described shading region and photic zone;
Utilize the described mask plate of UV-irradiation of a regulation polarization direction, make described the second orientation area have the second orientation.
10. method as claimed in claim 7 is characterized in that, makes described sensitization oriented layer form spaced the first orientation area and the second orientation area, and step is as follows:
One mask plate is provided, and described mask plate has shading region and the photic zone that parallel interval is arranged;
Utilize the described mask plate of UV-irradiation of a regulation polarization direction, make that the zone corresponding with photic zone forms described the first orientation area on the described sensitization oriented layer;
Mobile described mask plate makes described shading region block described the first orientation area, utilizes the described mask plate of UV-irradiation of another regulation polarization direction, makes zone corresponding to described photic zone form the second orientation area.
11. such as each described method of claim 7 to 10, it is characterized in that, the described pixel electrode that forms comprises the first electrode and the second electrode, described the first orientation area and described the first electrode pair should, described the second orientation area and described the second electrode pair should, and described the first orientation and angle and described second between described the first electrode be orientated with described the second electrode between angle equate.
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