CN102707515B - Liquid crystal grating, preparation method of liquid crystal grating, 3D (three- dimensional) display part and 3D display device - Google Patents
Liquid crystal grating, preparation method of liquid crystal grating, 3D (three- dimensional) display part and 3D display device Download PDFInfo
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134318—Electrodes characterised by their geometrical arrangement having a patterned common electrode
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
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Abstract
The invention discloses a liquid crystal grating, a preparation method of the liquid crystal grating, a 3D (three- dimensional) display part and a 3D display device. Liquid crystals are arranged in a space defined by a first substrate, a second substrate and a glue frame, one face, facing to the liquid crystals, of the first substrate is provided with a first-direction strip-shaped electrode, second-direction strip-shaped electrodes insulated with the first-direction strip-shaped electrode are arranged above the first-direction strip-shaped electrode, and one face, facing to the liquid crystals, of the second substrate is provided with a face electrode. The first-direction strip-shaped electrode or the second-direction strip-shaped electrodes are respectively electrified and can form an electric field with the face electrode, thus corresponding liquid crystals are deflected and can form a barrier fence in the direction vertical to the first direction or in the direction vertical to the second direction so as to realize a two-direction three-dimensional grating display mode.
Description
Technical field
The present invention relates to technical field of liquid crystal display, relate in particular to a kind of liquid crystal grating, its preparation method, 3D display device and 3D display device.
Background technology
At present, continuous development along with lcd technology, dimension display technologies receives much concern, dimension display technologies can be so that picture becomes three-dimensional true to nature, its the most basic principle is to utilize to receive different pictures about human eye respectively, brain is lived again through image information is superposeed then, constitutes the image of stereo directional effect.
In order to realize 3-D display, prior art is to increase one deck liquid crystal grating at display screen, as shown in Figure 1, liquid crystal grating generally is made up of last polaroid, following polaroid, upper substrate, infrabasal plate and the liquid crystal layer between two substrates, upper substrate and infrabasal plate have strip shaped electric poles and face electrode respectively, and its concrete principle of work is as follows:
When liquid crystal grating was switched on, the liquid crystal molecule corresponding with strip shaped electric poles deflected and parallel, and other liquid crystal molecules keep original form, do not deflect.At this moment, light enters from following polaroid, the polarized light parallel with the absorption axes of following polaroid enters into liquid crystal layer, can progressively change direction of vibration during the liquid crystal of polarized light by not deflecting, the direction of vibration of polarized light is just parallel with the absorption axes of upper polarizer when arriving upper polarizer, and then light passes through; And can not change direction of vibration during the polarized light liquid crystal parallel by deflecting, the absorption axes of the direction of vibration of polarized light and upper polarizer is vertical when arriving upper polarizer, so just form the barrier fence perpendicular to the strip shaped electric poles direction, realized the three dimensional grating display mode.Under this pattern, in the time of should being presented on the liquid crystal display by the image that left eye is seen, opaque striped can block right eye, in the time of in like manner should being presented on the liquid crystal display by the image that right eye is seen, opaque striped can block left eye, by the viewable pictures of right and left eyes is separated, realize the 3-D display effect.
Above-mentioned existing liquid crystal grating for 3-D display can only realize in one direction that the barrier fence can be as required at a plurality of directions realization barrier fence.
Summary of the invention
The embodiment of the invention provides a kind of liquid crystal grating, its preparation method, 3D display device and 3D display device, in order to realize the three dimensional grating display mode of twocouese.
A kind of liquid crystal grating that the embodiment of the invention provides, comprise first substrate, second substrate, the glue frame of be tightly connected described first substrate and described second substrate edges, be arranged in the liquid crystal in the space that is surrounded by described first substrate, described second substrate and described glue frame, also comprise:
Described first real estate has the first direction strip shaped electric poles to the one side of liquid crystal, has the second direction strip shaped electric poles with its insulation on described first direction strip shaped electric poles;
Described second real estate has the face electrode to the one side of liquid crystal.
The embodiment of the invention also provides a kind of 3D display device, comprises liquid crystal panel and the liquid crystal grating that is arranged at described liquid crystal panel top, the above-mentioned liquid crystal grating that described liquid crystal grating provides for the embodiment of the invention.
The embodiment of the invention also provides a kind of 3D display device, comprises the above-mentioned 3D display device that the embodiment of the invention provides.
The embodiment of the invention also provides a kind of preparation method of liquid crystal grating, comprising:
Form the first direction strip shaped electric poles at first substrate;
Prepare insulation material layer at described first direction strip shaped electric poles;
Form the second direction strip shaped electric poles at described insulation material layer, described second direction strip shaped electric poles and the insulation of described first direction strip shaped electric poles; Form the face electrode at second substrate; And
First substrate and second substrate are carried out box is handled.
The beneficial effect of the embodiment of the invention comprises:
A kind of liquid crystal grating that the embodiment of the invention provides, its preparation method, 3D display device and 3D display device have liquid crystal in the space by first substrate, second substrate and glue frame besieged city; Have the first direction strip shaped electric poles at first real estate to the one side of liquid crystal, on the first direction strip shaped electric poles, have the second direction strip shaped electric poles with its insulation; Has the face electrode at second real estate to the one side of liquid crystal.Respectively to first direction strip shaped electric poles or the energising of second direction strip shaped electric poles, can both form electric field with the face electrode, feasible corresponding liquid crystal deflection, can form the barrier fence in the direction vertical with first direction or in the direction vertical with second direction, thereby realize the three dimensional grating display mode of twocouese.
Description of drawings
Fig. 1 is the structural representation of liquid crystal grating in the prior art;
The structural representation of the liquid crystal grating that Fig. 2 provides for the embodiment of the invention;
The STRUCTURE DECOMPOSITION synoptic diagram of the liquid crystal grating that Fig. 3 provides for the embodiment of the invention;
The principle schematic of the example one that Fig. 4 provides for the embodiment of the invention;
The principle schematic of the example two that Fig. 5 provides for the embodiment of the invention;
The structural representation of the 3D display device that Fig. 6 provides for the embodiment of the invention;
The preparation method's of the liquid crystal grating that Fig. 7 provides for the embodiment of the invention process flow diagram;
Each step synoptic diagram in the liquid crystal grating preparation process that Fig. 8 a-Fig. 8 i provides for the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of liquid crystal grating, its preparation method, 3D display device and the 3D display device that the embodiment of the invention is provided is described in detail.
A kind of liquid crystal grating that the embodiment of the invention provides, as shown in Figure 2, specifically comprise: first substrate 101, second substrate 102, the glue frame 103 at first substrate 101 and second substrate, 102 edges is tightly connected, be arranged in the liquid crystal 104 in the space that is surrounded by first substrate 101, second substrate 102 and glue frame 103, also comprise:
Wherein, in the specific implementation, can use ITO(Indium Tin Oxides, indium tin metal oxide) material is as first direction strip shaped electric poles 105, second direction strip shaped electric poles 106 and face electrode 107.
Wherein, in the specific implementation, can between first direction strip shaped electric poles and second direction strip shaped electric poles, insulation material layer 108 be set, to realize two-layer strip shaped electric poles mutually insulated.
Preferably, first substrate 101 dorsad the one side of liquid crystal 104 also have first polaroid 109, second substrate 102 dorsad the one side of liquid crystal 104 also have second polaroid, 110, the first polaroids 109 and second polaroid 110 can filter the light of process, form polarized light.
Preferably, second direction strip shaped electric poles 106 can also have first alignment films (not shown among Fig. 2) towards the one side of liquid crystal 104, can also have second alignment films (not shown among Fig. 2) at face electrode 107 towards the one side of liquid crystal 104.The effect of first alignment films and second alignment films is identical with the effect of available liquid crystal alignment films, does not repeat them here.
Preferably, the screen size of the above-mentioned liquid crystal grating that the embodiment of the invention provides is general consistent with the screen size of matching used display screen, when the screen of liquid crystal grating is big, in order to strengthen its anti-pressure ability, a plurality of transparent supporters (not shown among Fig. 2) can also be provided with, to strengthen its crushing resistance between first substrate 101 and second substrate 102.
Preferably, the spacing in the spacing in the first direction strip shaped electric poles 105 between the adjacent electrode and the second direction strip shaped electric poles 106 between the adjacent electrode is identical, can guarantee that like this first direction strip shaped electric poles has identical light transmission with the second direction strip shaped electric poles.In the specific implementation, can the quantity of first direction strip shaped electric poles 105 and the quantity of second direction strip shaped electric poles 106 specifically be set according to the required resolution of liquid crystal grating and the length breadth ratio of screen.
In the above-mentioned liquid crystal grating that the embodiment of the invention provides, STRUCTURE DECOMPOSITION figure as shown in Figure 3, first direction strip shaped electric poles 105 is not parallel to each other mutually with strip shaped electric poles in the second direction strip shaped electric poles 106, preferably, first direction strip shaped electric poles 105 can form the vertical relation of antarafacial with second direction strip shaped electric poles 106, and, specifically do not limit the strip shaped electric poles direction of first direction strip shaped electric poles and second direction strip shaped electric poles in the embodiment of the invention, can be respectively horizontal and vertical, also can be other directions.
Particularly, as shown in Figure 3, can be by the first electric signal input/output terminal 111 that links to each other with first direction strip shaped electric poles 105 first substrate (not shown among Fig. 3) setting, and the second electric signal input/output terminal 112 that links to each other with second direction strip shaped electric poles 106, in order to respectively to first direction strip shaped electric poles 105 and second direction strip shaped electric poles 106 transfer overvoltage signals.
Wherein, the first electric signal input/output terminal 111 and the second electric signal input/output terminal 112 can not done restriction at this for metal connection post PIN or other common metal line caps.
Like this, after 105 energisings of 111 pairs of first direction strip shaped electric poles of the first electric signal input/output terminal, perhaps, after 106 energisings of 112 pairs of second direction strip shaped electric poles of the second electric signal input/output terminal, can both form electric field with face electrode 107, feasible liquid crystal (in Fig. 3 not shown) deflection corresponding with it, thus the barrier fence formed in the direction vertical with first direction or in the direction vertical with second direction, realize the three dimensional grating display mode of twocouese.Wherein, specifically how to realize that the principle of 3-D display belongs to prior art, does not repeat them here.
In the specific implementation, as shown in Figure 3, the first electric signal input/output terminal 111 and the second electric signal input/output terminal 112 can be arranged on on one deck with second direction strip shaped electric poles 106, like this, first via hole of on insulation material layer 108, reserving corresponding to the position of the first electric signal input/output terminal 111 113, the first electric signal input/output terminal 111 just can be connected with first direction strip shaped electric poles 105 by first via hole 113, and the second electric signal input/output terminal 112 directly links to each other with second direction strip shaped electric poles 106.
Perhaps, the first electric signal input/output terminal and the second electric signal input/output terminal and first direction strip shaped electric poles are arranged on on one deck, second via hole of on insulation material layer, reserving corresponding to the position of the second electric signal input/output terminal, the second electric signal input/output terminal is connected with the second direction strip shaped electric poles by second via hole, and the first electric signal input/output terminal directly links to each other with the first direction strip shaped electric poles.
At present, development along with the Touch Screen technology, 3D display device that touch-screen and 3-D display are combined has appearred, its structure is to increase one deck touch base plate at three-dimensional display screen, the manufacturing process more complicated of this structure, aligning accuracy for touch base plate applying three-dimensional display screen requires than higher, therefore, the integral manufacturing cost is higher relatively, and, because touch base plate and three-dimensional display screen arrange separately, therefore, the thickness that obtains product is also thicker, and in addition, touch base plate also can influence the display effect of three dimensional grating.
The liquid crystal grating that adopts the embodiment of the invention to provide, do not increasing the liquid crystal grating integral thickness and do not influencing under the situation of 3-D display, not only can realize twocouese three dimensional grating display mode, can also realize the function of capacitance type touch control screen, describe in detail below by instantiation.
In following example, the first direction strip shaped electric poles in the liquid crystal grating that the embodiment of the invention provides is set to the longitudinal strip electrode, and the second direction strip shaped electric poles is set to horizontal strip shaped electric poles.
Usually, the pixel of touch screen is usually in the millimeter level, and the pixel of 3-D display is usually at micron order, as can be seen, it is many that the required drive electrode drive electrode more required than the barrier fence of touch screen lacks, can expect that with the horizontal strip shaped electric poles of barrier fence or longitudinal strip electrode simultaneously as the drive electrode that drives liquid crystal deflection and the drive electrode of touch screen, the part in longitudinal strip electrode or the horizontal strip shaped electric poles can realize touch controllable function as the induction electrode of touch screen.
Therefore, our definition is the touch-control electrode every the longitudinal strip electrode of M bar, and the longitudinal strip electrode except the touch-control electrode is grating electrode; Definition is the touch-control electrode every the horizontal strip shaped electric poles of N bar, and the horizontal strip shaped electric poles except the touch-control electrode is grating electrode.Wherein, the numerical value of M and N can be set according to the resolution of touch-control, in addition, can M and N be arranged to identical numerical value or different numerical value according to the Aspect Ratio of the display screen of liquid crystal grating.
In following example, the number of longitudinal strip electrode and horizontal strip shaped electric poles is set to the n bar, the numerical value of M and N is set to 2, and namely two the longitudinal strip electrodes in every interval or horizontal strip shaped electric poles are touch-control electrode, i.e. n bar, n-3 bar, n-6 bar ... be the touch-control electrode.
We are divided into two classes with the first electric signal input/output terminal, the first kind first electric signal input/output terminal PIN V and a plurality of second class, first electric signal input/output terminal PIN A, wherein, PIN V links to each other for the longitudinal strip electrode of grating electrode with pre-defined by lead, a PIN A is pre-defined for the longitudinal strip electrode of touch-control electrode links to each other with one, and the number of the touch-control electrode in the number of PIN A and the longitudinal strip electrode is identical.
The second electric signal input/output terminal also is divided into two classes, the first kind second electric signal input/output terminal PINH and a plurality of second class, second electric signal input/output terminal PIN B, wherein, PIN H links to each other for the horizontal strip shaped electric poles of grating electrode with pre-defined by lead, a PIN B is pre-defined for the horizontal strip shaped electric poles of touch-control electrode links to each other with one, and the number of the touch-control electrode in the number of PIN B and the horizontal strip shaped electric poles is identical.
Use the unified first kind first electric signal input/output terminal PIN V or the first kind second electric signal input/output terminal PIN H to grating electrode input ac voltage signal, both can make things convenient for the synchronous input of voltage signal, also can reduce the first total electric signal input/output terminal and the quantity of the second electric signal input/output terminal.
Example one: the vertically realization of 3-D display and touch controllable function, as shown in Figure 4.
Use horizontal strip shaped electric poles as the drive electrode of barrier fence, namely use PIN H to transmit ac voltage signal to connected grating electrode, be specifically as follows input 5V alternating current; Use touch-control electrode in the horizontal strip shaped electric poles as the drive electrode of touch-control, namely use PIN B to the connected touch-control electrodes transfer ac voltage signal identical with PIN H, be specifically as follows input 5V alternating current; Touch-control electrode in the use longitudinal strip electrode namely uses PIN A to respond to the electric signal of connected touch-control electrode as induction electrode.
Like this, horizontal strip shaped electric poles and face electrode after the energising have formed electric field, make corresponding liquid crystal deflection form the barrier fence, have realized vertical three dimensional grating display mode.
Touch-control electrode in the horizontal strip shaped electric poles after the energising is as the drive electrode of touch-control, and the touch-control electrode in the longitudinal strip electrode has been realized touch controllable function as induction electrode.
Preferably, in order to increase coupling capacitance between the touch-control electrode, when increasing specific inductive capacity, and raising signal to noise ratio (S/N ratio), thereby improve the sensitivity of touch-control, can also use the floating empty Dummy of grating electrode conduct in the longitudinal strip electrode, namely use PIN V to connected grating electrode input 0V voltage.
Example two: the laterally realization of 3-D display and touch controllable function, as shown in Figure 5.
Use the longitudinal strip electrode as the drive electrode of barrier fence, namely use PIN V to transmit ac voltage signal to connected grating electrode, be specifically as follows input 5V alternating current; Touch-control electrode in the use longitudinal strip electrode namely uses PIN A to the connected touch-control electrodes transfer ac voltage signal identical with PIN V as the drive electrode of touch-control, is specifically as follows input 5V alternating current; Use touch-control electrode in the horizontal strip shaped electric poles as induction electrode, namely use PIN B to respond to the electric signal of connected touch-control electrode.
Like this, longitudinal strip electrode and face electrode after the energising have formed electric field, make corresponding liquid crystal deflection form the barrier fence, have realized horizontal three dimensional grating display mode.
Touch-control electrode in the longitudinal strip electrode after the energising is as the drive electrode of touch-control, and laterally the touch-control electrode in the strip shaped electric poles has been realized touch controllable function as induction electrode.
Preferably, in order to increase coupling capacitance between the touch-control electrode, when increasing specific inductive capacity, and raising signal to noise ratio (S/N ratio), thereby improve the sensitivity of touch-control, can also use the floating empty Dummy of grating electrode conduct in the horizontal strip shaped electric poles, namely use PIN H to connected grating electrode input 0V voltage.
By above-mentioned two examples as can be seen, the liquid crystal grating that the embodiment of the invention provides both can have been realized the three dimensional grating display mode of twocouese, also can realize touch controllable function, had greatly promoted the competitive power of liquid crystal grating.
Based on same inventive concept, the embodiment of the invention also provides the preparation method of a kind of 3D display device, 3D display device and liquid crystal grating, because the principle that this device and method is dealt with problems is similar to aforementioned a kind of liquid crystal grating, therefore the enforcement of these apparatus and method can repeat part and repeat no more referring to the enforcement of liquid crystal grating.
A kind of 3D display device 3D display device that the embodiment of the invention provides comprises liquid crystal panel and the liquid crystal grating that is arranged on the liquid crystal panel top, the above-mentioned liquid crystal grating that this liquid crystal grating provides for the embodiment of the invention.
Particularly, the 3D display device 3D display device that the embodiment of the invention provides, as shown in Figure 6, the liquid crystal grating that provides for the embodiment of the invention of frame of broken lines part wherein, it is by OCA(Optical ClearAdhesive, optical cement) 114 surfaces that are fixed on liquid crystal panel 115, wherein liquid crystal panel can be LCD display, LED display etc., does not do restriction at this.
The embodiment of the invention also provides a kind of 3D display device, comprises the above-mentioned 3D display device that the embodiment of the invention provides.
The preparation method of a kind of liquid crystal grating that the embodiment of the invention provides as shown in Figure 7, specifically may further comprise the steps:
S701, form the first direction strip shaped electric poles at first substrate, shown in Fig. 8 a, its detailed process is: at first substrate deposition ground floor ITO, ground floor ITO is carried out composition technology obtain the first direction strip shaped electric poles.
S702, prepare insulation material layer at the first direction strip shaped electric poles, shown in Fig. 8 b;
Further, behind the preparation insulation material layer, can also form via hole at insulation material layer by composition technology, the first direction strip shaped electric poles can link to each other by the metal connection post PIN of via hole and follow-up formation.
S703, form the second direction strip shaped electric poles at insulation material layer, this second direction strip shaped electric poles and the insulation of first direction strip shaped electric poles, its detailed process is: at first, shown in Fig. 8 c, utilize composition technology at insulation material layer formation metal connection post PIN; Then, shown in Fig. 8 d, form second layer ITO at insulation material layer, second layer ITO is carried out composition technology obtain the second direction strip shaped electric poles.
Further, after forming the second direction strip shaped electric poles, shown in Fig. 8 e, can also on the second direction strip shaped electric poles, be coated with one deck alignment films.
S704, form the face electrode at second substrate, shown in Fig. 8 f;
Further, after forming the face electrode, shown in Fig. 8 g, can also on the face electrode, be coated with one deck alignment films.
S705, first substrate and second substrate are carried out box is handled, detailed process is: shown in Fig. 8 h, apply envelope frame glue at the edge of second substrate, form the glue frame; Then, shown in Fig. 8 i, first substrate and second substrate are carried out box is handled, and inject liquid crystal.Simultaneously, also can carry out the ODF liquid crystal drip-injection earlier, and then first substrate and second substrate are carried out box is handled.
Above-mentioned steps S701 ~ S703 and S704 can carry out simultaneously, also can carry out respectively, do not limit execution sequence at this.
The preparation method of the above-mentioned liquid crystal grating that the embodiment of the invention provides, because first direction strip shaped electric poles and second direction strip shaped electric poles all are arranged on a side of first substrate, therefore, when liquid crystal grating specifically prepares, do not need first substrate is carried out turning operation, can with respect to the design that two-layer strip shaped electric poles is arranged on the first substrate both sides, prepare simple relatively at the two-layer strip shaped electric poles of first substrate preparation.
A kind of liquid crystal grating that the embodiment of the invention provides, its preparation method, 3D display device and 3D display device have liquid crystal in the space by first substrate, second substrate and glue frame besieged city; Have the first direction strip shaped electric poles at first real estate to the one side of liquid crystal, on the first direction strip shaped electric poles, have the second direction strip shaped electric poles with its insulation; Has the face electrode at second real estate to the one side of liquid crystal.Respectively to first direction strip shaped electric poles or the energising of second direction strip shaped electric poles, can both form electric field with the face electrode, feasible corresponding liquid crystal deflection, can form the barrier fence in the direction vertical with first direction or in the direction vertical with second direction, thereby realize the three dimensional grating display mode of twocouese.
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 (10)
1. a liquid crystal grating comprises first substrate, second substrate, the glue frame of described first substrate and described second substrate edges is tightly connected, be arranged in the liquid crystal in the space that is surrounded by described first substrate, described second substrate and described glue frame, it is characterized in that, also comprise:
Described first real estate has the first direction strip shaped electric poles to the one side of liquid crystal, has the second direction strip shaped electric poles with its insulation on described first direction strip shaped electric poles;
Described second real estate has the face electrode to the one side of liquid crystal;
Described first substrate has the first electric signal input/output terminal that links to each other with described first direction strip shaped electric poles, and the second electric signal input/output terminal that links to each other with described second direction strip shaped electric poles;
The described first electric signal input/output terminal specifically comprises: the first kind first electric signal input/output terminal PINV and a plurality of second class, first electric signal input/output terminal PINA, described PINV by lead with pre-defined for the first direction strip shaped electric poles of grating electrode links to each other, described PINA pre-definedly links to each other for the first direction strip shaped electric poles of touch-control electrode with one; Wherein, the first direction strip shaped electric poles of every interval M bar is defined as described touch-control electrode, the first direction electrode definition except the touch-control electrode is described grating electrode;
The described second electric signal input/output terminal specifically comprises: the first kind second electric signal input/output terminal PINH and a plurality of second class, second electric signal input/output terminal PINB, described PINH by lead with pre-defined for the second direction strip shaped electric poles of grating electrode links to each other, described PINB pre-definedly links to each other for the second direction strip shaped electric poles of touch-control electrode with one; Wherein, the second direction strip shaped electric poles of every interval N bar is defined as described touch-control electrode, the second direction electrode definition except the touch-control electrode is described grating electrode.
2. liquid crystal grating as claimed in claim 1 is characterized in that, described first direction strip shaped electric poles is vertical with described second direction strip shaped electric poles antarafacial.
3. liquid crystal grating as claimed in claim 1 is characterized in that, the spacing in the spacing in the described first direction strip shaped electric poles between the adjacent electrode and the second direction strip shaped electric poles between the adjacent electrode is identical.
4. liquid crystal grating as claimed in claim 1 is characterized in that, also comprises:
Insulation material layer between described first direction strip shaped electric poles and described second direction strip shaped electric poles;
Described insulation material layer is included in first via hole of reserving corresponding to the position of the described first electric signal input/output terminal; The described first electric signal input/output terminal is connected with described first direction strip shaped electric poles by described first via hole; Or
Described insulation material layer is included in second via hole of reserving corresponding to the position of the described second electric signal input/output terminal; The described second electric signal input/output terminal is connected with described second direction strip shaped electric poles by described second via hole.
5. liquid crystal grating as claimed in claim 1 is characterized in that, described PINA is used for to connected touch-control electrodes transfer ac voltage signal, and described PINB is used for the electric signal of the connected touch-control electrode of induction; Or
Described PINB is used for to connected touch-control electrodes transfer ac voltage signal, and described PINA is used for the electric signal of the connected touch-control electrode of induction.
6. liquid crystal grating as claimed in claim 5, it is characterized in that, when described PINA is used for to connected touch-control electrodes transfer ac voltage signal, described PINV is used for to the connected grating electrode transmission ac voltage signal identical with described PINA, and described PINH is used for to connected grating electrode input 0V voltage; Or
When described PINB is used for to connected touch-control electrodes transfer ac voltage signal, described PINH is used for to the connected grating electrode transmission ac voltage signal identical with described PINB, and described PINV is used for to connected grating electrode input 0V voltage.
7. a 3D display device comprises liquid crystal panel and the liquid crystal grating that is arranged at described liquid crystal panel top, it is characterized in that described liquid crystal grating is each described liquid crystal grating of claim 1 to 6.
8. a 3D display device is characterized in that, comprises 3D display device as claimed in claim 7.
9. the preparation method of a liquid crystal grating is characterized in that, comprising:
Form the first direction strip shaped electric poles at first substrate; The first direction strip shaped electric poles of every interval M bar is defined as the touch-control electrode, and the first direction electrode definition except the touch-control electrode is grating electrode;
Prepare insulation material layer at described first direction strip shaped electric poles; Utilize composition technology to form metal connection post PIN at described insulation material layer, described metal connection post PIN comprises the first electric signal input/output terminal that links to each other with described first direction strip shaped electric poles, and the second electric signal input/output terminal that links to each other with described second direction strip shaped electric poles; Form via hole by composition technology at described insulation material layer, described first direction strip shaped electric poles links to each other with the first electric signal input/output terminal by described via hole; The described first electric signal input/output terminal specifically comprises: the first kind first electric signal input/output terminal PINV and a plurality of second class, first electric signal input/output terminal PINA, described PINV by lead with pre-defined for the first direction strip shaped electric poles of grating electrode links to each other, described PINA pre-definedly links to each other for the first direction strip shaped electric poles of touch-control electrode with one; The described second electric signal input/output terminal specifically comprises: the first kind second electric signal input/output terminal PINH and a plurality of second class, second electric signal input/output terminal PINB, described PINH by lead with pre-defined for the second direction strip shaped electric poles of grating electrode links to each other, described PINB pre-definedly links to each other for the second direction strip shaped electric poles of touch-control electrode with one;
Form the second direction strip shaped electric poles at described insulation material layer, described second direction strip shaped electric poles and the insulation of described first direction strip shaped electric poles; The second direction strip shaped electric poles of every interval N bar is defined as the touch-control electrode, and the second direction electrode definition except the touch-control electrode is grating electrode;
Form the face electrode at second substrate; And
Described first substrate and described second substrate are carried out box is handled.
10. method as claimed in claim 9 is characterized in that, forms the first direction strip shaped electric poles at first substrate, specifically comprises:
At first substrate deposition ground floor indium tin metal oxide ITO, described ground floor ITO is carried out composition technology obtain the first direction strip shaped electric poles;
Form the second direction strip shaped electric poles at described insulation material layer, specifically comprise:
Form second layer ITO at insulation material layer, second layer ITO is carried out composition technology obtain the second direction strip shaped electric poles.
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| CN2012101355878A CN102707515B (en) | 2012-05-03 | 2012-05-03 | Liquid crystal grating, preparation method of liquid crystal grating, 3D (three- dimensional) display part and 3D display device |
| PCT/CN2012/084842 WO2013163872A1 (en) | 2012-05-03 | 2012-11-19 | Liquid crystal grating and preparation method thereof, and 3d display |
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| CN2012101355878A CN102707515B (en) | 2012-05-03 | 2012-05-03 | Liquid crystal grating, preparation method of liquid crystal grating, 3D (three- dimensional) display part and 3D display device |
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| CN102981321B (en) * | 2012-11-15 | 2015-09-02 | 中航华东光电有限公司 | A kind of liquid crystal slit grating, 3 d display device and method for making |
| CN103105680B (en) * | 2013-02-26 | 2015-11-25 | 电子科技大学 | Auto-stereoscopic display part of a kind of switchable display modes and preparation method thereof |
| TWI492115B (en) * | 2013-03-04 | 2015-07-11 | Novatek Microelectronics Corp | In-cell touch control panel |
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| CN103257772B (en) * | 2013-04-27 | 2016-03-02 | 北京京东方光电科技有限公司 | A kind of touch-screen, display device and preparation method thereof realizing 3D display |
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| CN104460132B (en) * | 2014-12-16 | 2017-11-07 | 京东方科技集团股份有限公司 | Liquid crystal grating and preparation method thereof, display device |
| CN104699360B (en) * | 2015-03-30 | 2018-04-27 | 京东方科技集团股份有限公司 | A kind of electromagnetic touch formula three-dimensional grating and display device |
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| CN106708302A (en) * | 2015-10-30 | 2017-05-24 | 京东方科技集团股份有限公司 | Pressure detection device, grating, display device and display method of display device |
| CN106292091A (en) * | 2016-10-26 | 2017-01-04 | 万维云视（上海）数码科技有限公司 | A kind of device of longitudinal direction/horizontal turnover liquid crystal light grid screen |
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| WO2013163872A1 (en) | 2013-11-07 |
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