CN102809866B - A kind of liquid crystal lens and method for making, display device - Google Patents
A kind of liquid crystal lens and method for making, display device Download PDFInfo
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- CN102809866B CN102809866B CN201210287723.5A CN201210287723A CN102809866B CN 102809866 B CN102809866 B CN 102809866B CN 201210287723 A CN201210287723 A CN 201210287723A CN 102809866 B CN102809866 B CN 102809866B
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Abstract
The invention discloses a kind of liquid crystal lens and method for making, display device, its main contents comprise: upper substrate, infrabasal plate, liquid crystal layer between upper substrate and infrabasal plate, and be positioned at many strip shaped electric poles of described infrabasal plate on the surface of liquid crystal side, wherein, the described strip shaped electric poles with same drive voltage goes between with same and is connected, and is connected with drive circuit board FPGA by described lead-in wire; By the electrode in liquid crystal lens with same drive voltage is drawn by a lead-in wire, be connected with drive circuit board FPGA by described lead-in wire, realize the simplification of the type of drive of strip shaped electric poles, avoiding each strip electrode existed in prior art all needs IC integrated circuit to distribute driving voltage for it, make the type of drive of electrode more complicated, have impact on the problem of the development of liquid crystal lens.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of liquid crystal lens and method for making, display device.
Background technology
In existing bore hole stereo display technique, mainly comprise Lenticular screen stereo display, slit grating stereo display and holographic three-dimensional display etc.Wherein, the three-dimensional stereo display technique based on Lenticular screen becomes current comparatively common stereo display technique because of the feature that Lenticular screen processibility is strong.
Lenticular screen is divided into again solid columns lenticulation and liquid crystal lens grating, wherein, solid columns lenticulation is a solid state device, after itself and display panels secure fit, only can show 3 D stereo picture, can not compatible display two dimensional surface picture simultaneously, therefore,, easily there is visual fatigue in Long-Time Service Lenticular screen viewing 3 D stereo picture, and unfavorable to eye health.
Existing liquid crystal lens grating is made up of the liquid crystal layer between relative two electrode layers and two electrode layers, and the displaying principle of liquid crystal lens grating is: the electric field generated by applying voltage to two electrode layers drives the liquid crystal molecule of liquid crystal layer.Therefore, liquid crystal layer produces the difference of light transmission because the voltage being applied to two electrodes is different, utilize the light transmission difference of pixel to show image.
And the etching mode of many strip electrodes has multiple in two electrode layers, the mode adopted at present is etch whole strip shaped electric poles on the same substrate simultaneously, as shown in Figure 1.
In the etching electrode structure of the liquid crystal lens grating shown in Fig. 1, the width of the sub-pixel that the pitch formed between electrode and display screen cover matches, lead-in wire corresponding to each strip electrode by IC surface-mounted integrated circuit and drive circuit board FPGA(Field-ProgrammableGateArray, field programmable gate array) be connected.Because each IC surface-mounted integrated circuit attachable electrode data amount is limited, therefore, when the quantity of electrode in liquid crystal lens is relatively many, the quantity of required IC surface-mounted integrated circuit is also more.
Such as, for the mobile phone display screen of 3.5 cun of 480*800 pixels, the electrode width of liquid crystal lens grating is 15um, electrode separation is 15um, liquid crystal lens grating is made up of multiple micro-liquid crystal lens grating, and wherein, each micro-liquid crystal lens grating is made up of 12 strip electrodes, as can be seen here, the mobile phone display screen of 3.5 cun of 480*800 pixels at least needs 2400 strip electrodes to cover whole screen completely.But IC surface-mounted integrated circuit has at most 1200 line channels at present, and these 1200 line channels are both positive and negative polarity alternately existence, and liquid crystal lens grating can only use the electrode line paths in IC surface-mounted integrated circuit, that is, the previous IC surface-mounted integrated circuit of order can only have 600 line channels for the electrode in liquid crystal lens grating, when the mobile phone display screen of 3.5 cun of 480*800 pixels at least needs 2400 strip electrodes to cover whole screen completely, the mobile phone display screen of 3.5 cun of 480*800 pixels needs at least 4 IC surface-mounted integrated circuits, 2400 strip electrodes are connected with FPGA, complete the display driver of liquid crystal lens.
In addition, if the size of display screen becomes large, then corresponding required number of electrodes increases, and the quantity of the IC integrated circuit so needed also will increase, and like this, by making, the type of drive of electrode is more complicated, is unfavorable for the development of liquid crystal lens.
Summary of the invention
Embodiments provide a kind of liquid crystal lens and method for making, display device, IC integrated circuit is all needed to distribute driving voltage for it for solving each strip electrode existed in prior art, make the type of drive of electrode more complicated, have impact on the problem of the development of liquid crystal lens.
A kind of liquid crystal lens, comprising: upper substrate, infrabasal plate, liquid crystal layer between upper substrate and infrabasal plate and be positioned at many strip shaped electric poles of described infrabasal plate on the surface of liquid crystal side, and the strip shaped electric poles with same drive voltage goes between with same and is connected.
Make a method for above-mentioned liquid crystal lens, described method comprises:
Patterning processes is adopted on the surface of liquid crystal side, to form many strip shaped electric poles at described infrabasal plate;
The electrode in described many strip shaped electric poles with same drive voltage is gone between with same and is connected.
Beneficial effect of the present invention is as follows:
The embodiment of the present invention utilizes the homogeny of driving voltage needed for strip shaped electric poles in the electrode layer of liquid crystal lens, the electrode with same drive voltage is drawn by a lead-in wire, be connected with drive circuit board FPGA by described lead-in wire, realize the simplification of the type of drive of strip shaped electric poles, avoiding each strip electrode existed in prior art all needs IC integrated circuit to distribute driving voltage for it, make the type of drive of electrode more complicated, have impact on the problem of the development of liquid crystal lens.
Accompanying drawing explanation
Fig. 1 is the etching electrode structural drawing of liquid crystal lens grating;
Fig. 2 is the structural representation of a kind of liquid crystal lens of the present embodiment one;
Fig. 3 is the structural representation that in a kind of liquid crystal lens, electrode layer is formed;
Fig. 4 is the structural representation that in a kind of liquid crystal lens, electrode layer is formed;
Fig. 5 is the structural representation that in a kind of liquid crystal lens, electrode layer is formed;
Fig. 6 is the structural representation that in a kind of liquid crystal lens, electrode layer is formed;
Fig. 7 is the process flow diagram of the method for making of a kind of liquid crystal lens of the present embodiment two.
Embodiment
In order to realize object of the present invention, embodiments provide a kind of liquid crystal lens and method for making, display device, liquid crystal lens comprises: upper substrate, infrabasal plate, liquid crystal layer between upper substrate and infrabasal plate, and be positioned at many strip shaped electric poles of infrabasal plate on the surface of liquid crystal side, wherein, the strip shaped electric poles with same drive voltage goes between with same and is connected, and is connected with drive circuit board FPGA by lead-in wire.
Compared with prior art, utilize the homogeny of driving voltage needed for strip shaped electric poles in the electrode layer of liquid crystal lens, the electrode with same drive voltage is drawn by a lead-in wire, be connected with drive circuit board FPGA by described lead-in wire, realize the simplification of the type of drive of strip shaped electric poles, avoiding each strip electrode existed in prior art all needs IC integrated circuit to distribute driving voltage for it, makes the type of drive of electrode more complicated, have impact on the problem of the development of liquid crystal lens.
Below in conjunction with Figure of description, various embodiments of the present invention are described in detail.
Embodiment one:
As shown in Figure 2, be the structural representation of a kind of liquid crystal lens of the present embodiment one.This liquid crystal lens comprises: upper substrate 11, infrabasal plate 12, liquid crystal layer 13 between upper substrate and infrabasal plate and be positioned at many strip shaped electric poles 14 of described infrabasal plate on the surface of liquid crystal side, wherein,
The described strip shaped electric poles with same drive voltage and same go between and 16 to be connected.
More preferably, on the surface of liquid crystal side, be provided with many strip shaped electric poles at upper substrate, and the described strip shaped electric poles with same drive voltage goes between with same and is connected.
It should be noted that, the electrode layer 17 be positioned on upper substrate on the surface of liquid crystal side can also be plate electrode.
Formed because the micro-liquid crystal lens of each in liquid crystal lens unit applies different driving voltage by some strip electrodes, and due to the center line of each micro-liquid crystal lens unit for axle, strip shaped electric poles number corresponding to it is symmetrical, the driving voltage be applied on two symmetrical strip shaped electric poles is also symmetrical, therefore, in liquid crystal lens, micro-liquid crystal lens cell array is formed.If the micro-liquid crystal display grating in micro-liquid crystal display grating array has N number of, in each micro-liquid crystal display grating, there is n strip electrode, then, when n is odd number, (n+1)/2 group driving voltage will be had in micro-liquid crystal display grating array; When n is even number, n/2 group driving voltage will be had in micro-liquid crystal display grating array.
Particularly, include the first electrode layer between upper substrate and liquid crystal layer, this first electrode layer is made up of many strip shaped electric poles, and wherein, the electrode that many strip shaped electric poles in the first electrode layer have same drive voltage is drawn by a lead-in wire.
Between infrabasal plate and liquid crystal layer, include the second electrode lay, this second electrode lay is made up of many strip shaped electric poles, and wherein, the electrode that many strip shaped electric poles in the second electrode lay have same drive voltage is drawn by a lead-in wire.
As shown in Figure 3, be the structural representation of electrode layer formation in a kind of liquid crystal lens.Described electrode layer is:
In described many strip shaped electric poles arranged near liquid crystal side surface at described upper substrate and infrabasal plate, the strip shaped electric poles with same drive voltage is arranged on same electrode layer, and the electrode with different driving voltage is arranged on Different electrodes layer, wherein, isolated by insulating material between the electrode of adjacent two electrode layers.
That is, the electrode that upper substrate has same drive voltage V1 is drawn by a lead-in wire, namely goes between as at least one electrode connecting this lead-in wire provides driving voltage V1 by this;
The substrate defining electrode defines layer protecting film, and wherein, described diaphragm is made up of insulating material, for isolating the electrode of adjacent two electrode layers on same substrate;
The substrate of the diaphragm formed is formed the electrode with same drive voltage V2, and has the extraction that goes between, namely go between as at least one electrode connecting this lead-in wire provides driving voltage V2 by this;
The substrate defining two-layer electrode layer forms layer protecting film again.
Therefore; described electrode layer structure is: first electrode layer with same drive voltage; in its surface there is layer protecting film; there is on the surface of diaphragm the second electrode lay of same drive voltage; that is, diaphragm is provided with between the electrode layer that the two-layer driving voltage of arbitrary neighborhood is different.
As shown in Figure 4, be the structural representation of electrode layer formation in a kind of liquid crystal lens.Described electrode layer is:
In many strip shaped electric poles arranged near liquid crystal side surface at upper substrate and infrabasal plate, the strip shaped electric poles be arranged on same electrode layer is divided into two groups, wherein, identical with the electrode drive voltage in group, electrode drive voltage in different group is different, the strip shaped electric poles interval setting that the strip shaped electric poles that driving voltage is identical is different with driving voltage, and isolated by insulating material between the electrode of adjacent two electrode layers;
One group of strip shaped electric poles is drawn from the side of this electrode layer by a lead-in wire, and another group strip shaped electric poles is drawn from the opposite side of this electrode layer by another lead-in wire.
That is, as shown in Figure 4, in same electrode layer, two arrays of electrodes is provided with, the driving voltage V1 of first group of electrode, the driving voltage V2 of second group of electrode, wherein, the driving voltage of the every strip electrode in first group of electrode is identical, and the driving voltage of the every strip electrode in second group of electrode is identical.
Wherein, first group of electrode of driving voltage V1 is drawn from the side of electrode layer by a lead-in wire, and second group of electrode of driving voltage V2 is drawn from the opposite side of electrode layer by another lead-in wire.
Between the two-layer motor layer of arbitrary neighborhood, arrange layer protecting film, wherein, described diaphragm is made up of insulating material, for isolating the electrode on same substrate between adjacent two electrode layers.
Therefore, the structure of described electrode layer is: the first electrode layer being positioned at substrate surface, and this first electrode layer is made up of the two arrays of electrodes that driving voltage is different; Be positioned at the first diaphragm of the first electrode layer surface; Be positioned at the second electrode lay on the first diaphragm surface, the first electrode layer is made up of the two arrays of electrodes that driving voltage is different; That is, between the two-layer electrode layer of arbitrary neighborhood, be provided with diaphragm, it should be noted that the number of electrode layer can be one deck or multilayer.
More preferably, the electrode be etched on the same layer in arbitrary described electrode layer is divided into many groups, wherein, identical with the electrode drive voltage in group, and the electrode drive voltage in different groups is different;
Often organize electrode to be drawn by a lead-in wire, the position that the lead-in wire of any two arrays of electrodes intersects is isolated by insulating material.
That is, arrange multi-group electrode on the same substrate, wherein, the driving voltage of each group electrode is different, identical with the electrode drive voltage in group, and the electrode drive voltage in different groups is different.
Such as: arrange three groups of electrodes on the same substrate, the driving voltage of first group of electrode is V1, and the driving voltage of second group of electrode is V2, and the driving voltage of the 3rd group of electrode is V3.
Each group electrode is connected by a lead-in wire, wherein, goes between and to be drawn by the same side of substrate, and the position crossing at arbitrary neighborhood two lead-in wire is isolated by insulating material, as shown in Figure 5.
Therefore, the electrode that the electrode layer in the liquid crystal lens shown in Fig. 3 ~ Fig. 5 is arranged by layering and to cross for adjacent twice between electrode layer diaphragm form, liquid crystal lens can be made so more frivolous.
As shown in Figure 6, be the structural representation of electrode layer formation in a kind of liquid crystal lens.Described electrode layer is:
In many strip electrodes on first substrate and second substrate surface, the driving voltage between any two adjacent electrodes is different;
And the electrode with same drive voltage is drawn by same lead-in wire, wherein, the position of intersecting at any two lead-in wires is isolated by insulating material.
Particularly, being positioned at same upper surface of base plate arranges by the electrode of different driving voltage with layer, electrode by identical voltage driven is gone between by same and connects and draw, this will cause the lead-in wire of the electrode connecting different driving voltage can produce overlapping region in extraction location part, insulate to prevent it from interfering with each other in order to lead-in wire is carried out, the position of intersecting at any two lead-in wires arranges diaphragm, such as: the driving voltage of first group of electrode is V1, it is connected by the first lead-in wire and is drawn, the driving voltage of second group of electrode is V2, it is connected by the second lead-in wire and is drawn, the driving voltage of the 3rd group of electrode is V3, it is connected by the 3rd lead-in wire and is drawn, so, at lead-in wire extraction location, first lead-in wire and the second lead-in wire have overlapping region, at the first and second lead-in wire overlapping regions, one diaphragm is set, for going between first and the second lead wire insulation, at lead-in wire extraction location, first lead-in wire and the 3rd lead-in wire have overlapping region, first and the 3rd lead-in wire overlapping region diaphragm is set, for the first lead-in wire and the 3rd lead wire insulation are isolated, at lead-in wire extraction location, second lead-in wire and the 3rd lead-in wire have overlapping region, second and the 3rd lead-in wire overlapping region diaphragm is set, for the second lead-in wire and the 3rd lead wire insulation are isolated.
In the present embodiment one, described lead-in wire refers to and is connected by the electrode with same drive voltage, and the lines that realization is connected with FPGA.
By the scheme of embodiment one, the electrode in liquid crystal lens with same drive voltage is drawn by a lead-in wire, be connected with drive circuit board FPGA by described lead-in wire, realize the simplification of the type of drive of strip shaped electric poles, avoiding each strip electrode existed in prior art all needs IC integrated circuit to distribute driving voltage for it, make the type of drive of electrode more complicated, have impact on the problem of the development of liquid crystal lens.
Embodiment two:
As shown in Figure 7, be the process flow diagram of the method for making of a kind of liquid crystal lens of the present embodiment two.Described method comprises:
Step 101: adopt patterning processes to form many strip shaped electric poles at described infrabasal plate on the surface of liquid crystal side.
It should be noted that, the patterning processes described in the embodiment of the present invention refers to the patterning processes such as exposure, development, etching, or the patterning processes such as printing and network printing.
Step 102: the electrode in many strip shaped electric poles with same drive voltage is gone between with same and is connected.
In a step 102, in the many strip electrodes in same electrode layer, the electrode with same drive voltage is drawn by a lead-in wire, and mode specifically comprises:
First kind of way:
Adopt patterning processes to be formed in by the electrode with same drive voltage on the same layer in electrode layer, adopt patterning processes to be formed in by the electrode with different driving voltage on the different layers in electrode layer;
Between adjacent two layers electrode layer, diaphragm is set;
The electrode with same drive voltage is drawn by a lead-in wire.
The second way:
Adopt patterning processes to be formed in by two arrays of electrodes on the same layer in electrode layer, wherein, identical with the electrode drive voltage in group, the electrode drive voltage in different groups is different;
One group of electrode is drawn from the side of substrate by a lead-in wire, and another group electrode is drawn from the opposite side of substrate by another lead-in wire.
More preferably, be etched in by multi-group electrode on the same layer in electrode layer, wherein, identical with the electrode drive voltage in group, the electrode drive voltage in different groups is different;
Often organize electrode to be drawn by a lead-in wire, and diaphragm is set in the position that lead-in wire intersects.
The third mode:
Adopt patterning processes to form the electrode of different voltage on the same substrate, wherein, the voltage between adjacent electrode is different;
Drawn by same lead-in wire by the electrode with identical voltage, wherein, the position of intersecting at lead-in wire arranges diaphragm.
Step 103: each bar lead-in wire of drawing is connected with drive circuit board FPGA.
Embodiment three:
The embodiment of the present invention three provides a kind of display device, and this display device can be the display device such as liquid crystal display, LCD TV, OLED display, OLED TV and Electronic Paper, and tool comprises the liquid crystal lens described in the present embodiment one.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a liquid crystal lens, comprise: upper substrate, infrabasal plate, liquid crystal layer between upper substrate and infrabasal plate and be positioned at many strip shaped electric poles of described infrabasal plate on the surface of liquid crystal side, it is characterized in that, at described infrabasal plate in described many strip shaped electric poles of liquid crystal side surface setting, the strip shaped electric poles be arranged on same electrode layer is divided into two groups, identical with the electrode drive voltage in group, electrode drive voltage in different group is different, the strip shaped electric poles parallel interval setting that the strip shaped electric poles that driving voltage is identical is different with driving voltage, and isolated by insulating material between the electrode of adjacent two electrode layers,
One group of strip shaped electric poles is drawn from the side of this electrode layer by a lead-in wire, and another group strip shaped electric poles is drawn from the opposite side of this electrode layer by another lead-in wire.
2. liquid crystal lens as claimed in claim 1, is characterized in that,
Described upper substrate is provided with many strip shaped electric poles on the surface of liquid crystal side, and the described strip shaped electric poles with same drive voltage goes between with same and is connected.
3. liquid crystal lens as claimed in claim 2, is characterized in that,
At described upper substrate in described many strip shaped electric poles of liquid crystal side surface setting, wherein, the strip shaped electric poles be arranged on same electrode layer is divided into two groups, identical with the electrode drive voltage in group, electrode drive voltage in different group is different, the strip shaped electric poles parallel interval setting that the strip shaped electric poles that driving voltage is identical is different with driving voltage, and isolated by insulating material between the electrode of adjacent two electrode layers;
One group of strip shaped electric poles is drawn from the side of this electrode layer by a lead-in wire, and another group strip shaped electric poles is drawn from the opposite side of this electrode layer by another lead-in wire.
4. a method for making for liquid crystal lens, is characterized in that, described method comprises:
Adopt patterning processes on the surface of liquid crystal side, to form many strip shaped electric poles at infrabasal plate, wherein, two arrays of electrodes is formed on the same layer in electrode layer, identical with the electrode drive voltage in group, and the electrode drive voltage in different groups is different;
One group of electrode is drawn from the side of substrate by a lead-in wire, and another group electrode is drawn from the opposite side of substrate by another lead-in wire.
5. method as claimed in claim 4, it is characterized in that, described method also comprises:
Patterning processes is adopted on the surface of liquid crystal side, to form many strip shaped electric poles at upper substrate;
The electrode in described many strip shaped electric poles on upper substrate with same drive voltage is gone between with same and is connected.
6. the method as described in any one of claim 4 or 5, it is characterized in that, described method also comprises:
Insulating material is formed between adjacent two electrode layers.
7. a display device, is characterized in that, comprises the liquid crystal lens described in any one of claim 1-3.
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| CN103838042B (en) * | 2012-11-23 | 2017-11-10 | 财团法人工业技术研究院 | Display, method for manufacturing display, and image writing method |
| CN104007586A (en) * | 2014-04-30 | 2014-08-27 | 深圳市亿思达显示科技有限公司 | Liquid crystal lens electronic grating and naked eye stereoscopic display equipment |
| CN105575355A (en) * | 2016-03-18 | 2016-05-11 | 京东方科技集团股份有限公司 | Curved-surface display driving method and display apparatus |
| CN110767835B (en) | 2019-03-29 | 2021-01-26 | 昆山国显光电有限公司 | Transparent display panel, display screen, display device and mask plate |
| CN110346941A (en) * | 2019-07-12 | 2019-10-18 | 京东方科技集团股份有限公司 | A kind of display component and display device |
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| CN201662671U (en) * | 2010-04-24 | 2010-12-01 | 华映光电股份有限公司 | Liquid crystal lens |
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