CN101398572A - LCD and method for making conductive spacer therein - Google Patents
LCD and method for making conductive spacer therein Download PDFInfo
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- CN101398572A CN101398572A CNA2007101754858A CN200710175485A CN101398572A CN 101398572 A CN101398572 A CN 101398572A CN A2007101754858 A CNA2007101754858 A CN A2007101754858A CN 200710175485 A CN200710175485 A CN 200710175485A CN 101398572 A CN101398572 A CN 101398572A
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Abstract
The invention relates to an LCD. The device is as follows: a plurality of conductive spacers for electrical connection are arranged between a common electrode on a color film substrate and a common electrode on a thin film transistor array substrate to improve uniformity and stability of an electric potential on the common electrode of the array substrate, thus the voltage bias in the pixel capacitor is more accurate and stable. The invention also relates to a method used for making the conductive spacer in an LCD, and the method comprises the following steps: a conductive spacer which is connected with the common electrode is made on the color film substrate or the array substrate; a window is made in a coating position corresponding to the conductive spacer on the color film substrate and the array substrate; while the color film and the array substrate are assembled to form a liquid crystal box, the common electrode of the array substrate is electrically connected with the common electrode of the color film substrate by the conductive spacer. The method can reduce interferences of lead resistance and parasitic capacitance of the common electrode on the array substrate, and enhance the accuracy and stability of the voltage on the common electrode of the array substrate.
Description
Technical field
The present invention relates to a kind of display device, particularly a kind of LCD, and the method for making conductive spacer therein belong to field of liquid crystal.
Background technology
Thin Film Transistor-LCD (hereinafter to be referred as: TFT-LCD) can regard as mainly by thin-film transistor array base-plate (hereinafter to be referred as array base palte) A, color membrane substrates B, and connect the envelope frame glue of array base palte, color membrane substrates and be enclosed in wherein formations such as liquid crystal.Be illustrated in figure 1 as the vertical structure figure of a sub-pix point, be array base palte below, be made of the public electrode 3 on glass substrate 1, thin film transistor (TFT) (TFT) 2, the array base palte, insulation course 4, pixel electrode 5 successively from lower to upper, wherein thin film transistor (TFT) 2 uses conventional manufacturing process to make; Be color membrane substrates above, be followed successively by the red, green, blue resin bed 7 that glass substrate 1, black matrix 6 and plane distribute alternately, the public electrode 8 on the color membrane substrates from top to bottom; The middle layer curl be liquid crystal molecule 9, be sealed in the liquid crystal cell; Also one deck liquid crystal aligning layer 10 should be arranged in the superiors of two substrates up and down, help liquid crystal aligning.
The principle of work of this TFT-LCD is: the horizontal scanning line that makes by lithography on the following array base palte (TFT gate line) 11 and column data line (TFT source electrode line) 12 constitute a matrix, on its intersection point TFT2, produce pixel electrode 5 in drain electrode place of TFT, as shown in Figure 2.Gate line with the TFT that connects with liquid crystal pixel in the delegation connects together, and this shows that the line scanning driving voltage can control the conducting that is among the colleague whole TFT simultaneously and end; Column data line connects together each TFT source electrode in the same row, the liquid crystal pixel capacitor C that the drain electrode of each TFT is corresponding with it
1cBottom electrode, promptly pixel electrode links to each other, the liquid crystal pixel capacitor C
1cTop electrode be connected on the public electrode 8 of top color membrane substrates.Keep the stable of pixel voltage in twice signal refresh interval in order to increase the charge storage time of liquid crystal pixel electric capacity, to be, also to each liquid crystal pixel suitable memory capacitance C in parallel
StThis C
StTwo kinds of structures are arranged, the one, 11 of array base palte pixel electrode and TFT gate lines form C
St, be called C
StOn Gate; Another kind is that 3 of public electrodes on array base palte pixel electrode and the special array base palte of making form C
St, be called C
StOn Common.At C
StIn the on Common structure, public electrode 3 is electrically connected by 13 periphery and 8 realizations of the public electrode on the color membrane substrates at screen that go between, and is communicated with external drive circuit.Because the influence of resistance R and stray capacitance C, public electrode 3 is by going between 13 apart from the phenomenon that all can produce the current potential uneven distribution between the different distance of screen periphery and different lead-in wire, thereby influence the homogeneity of liquid crystal bias voltage on the pixel capacitance, stability descends display quality.
For improving this defective, can on array, form grid type public electrode lead-in wire by utilizing nesa coating the public electrode wire cross-over connection of adjacent lines on the array base palte (being parallel to grid lead).Owing to increased connecting path, can partly improve this defective.But because the middle part C of array base palte
StCorresponding array public electrode still will link to each other with peripheral driving circuit by long lead-in wire, so the voltage potential on it still can be subjected to the influence of more serious resistance and stray capacitance and distortion.
Summary of the invention
An object of the present invention is, a kind of LCD is provided, improve the homogeneity of current potential on the public electrode of array base palte;
Another object of the present invention is, the method for making conductive spacer in a kind of LCD is provided, and makes the public electrode of array base palte be connected with the public electrode multiple spot of color membrane substrates, makes the bias voltage on the pixel capacitance more accurate;
Another purpose of the present invention is, the method for making conductive spacer in the another kind of LCD is provided, and makes that the bias voltage on the pixel capacitance is more accurate, improved the stability of voltage on the public electrode of array base palte;
A further object of the present invention is, the method for making conductive spacer in another LCD is provided, and makes that the bias voltage on the pixel capacitance is more accurate, improved the stability of voltage on the public electrode of array base palte.
In order to realize first purpose of the present invention, LCD provided by the invention, comprise: array base palte, color membrane substrates, and connection array, the envelope frame glue of color membrane substrates and the liquid crystal that is enclosed in wherein, liquid crystal pixel electric capacity one utmost point is the pixel electrode on the described array base palte, another utmost point is the public electrode on the color membrane substrates, with a described liquid crystal pixel electric capacity memory capacitance in parallel, one utmost point is described pixel electrode, another utmost point is the public electrode on the array base palte, and the public electrode on the described color membrane substrates is realized being electrically connected by conducting objects outside the envelope frame glue closed region with the public electrode on the array base palte; In envelope frame glue closed region, also be electrically connected between the public electrode on the public electrode on the described color membrane substrates and the array base palte by one or more conductive spacer.
In order to realize second purpose of the present invention, make the method for conductive spacer in the LCD provided by the invention, comprise the steps:
Making has the color membrane substrates of conductive spacer, and described conductive spacer is connected with public electrode on the color membrane substrates;
Insulation course above the array base palte public electrode and pixel electrode are opened via hole, and the conductive spacer position that is provided with on described via hole and the described color membrane substrates is corresponding;
In the superiors of color membrane substrates and array base palte coating oriented layer, during coating on conductive spacer and array base palte the position corresponding with it stay window;
Assemble two substrates and form liquid crystal cells, in the process of assembling, the array base palte public electrode is electrically connected with public electrode on the color membrane substrates by conductive spacer.
In order to realize the 3rd purpose of the present invention, make the method for conductive spacer in the LCD provided by the invention, comprise the steps:
Insulation course on the public electrode of array base palte is opened via hole;
Make chock insulator matter in via hole on the public electrode, described chock insulator matter is the column that insulating material is made;
Deposit nesa coating, and photoetching formation is again made local to the public electrode of residual area in chock insulator matter and the via hole and is covered, and forms conductive spacer; Described nesa coating and the electrically conducting transparent that forms pixel electrode be intermembranous a gap;
In the superiors of array base palte and color membrane substrates coating oriented layer, during coating in the conductive spacer position, cross on hole site and the color membrane substrates position corresponding and stay window with conductive spacer;
Assemble two substrates and form liquid crystal cells, in the process of assembling, array base palte is electrically connected with public electrode on the color membrane substrates by conductive spacer.
In order to realize the 4th purpose of the present invention, make the method for conductive spacer in the LCD provided by the invention, comprise the steps:
After the insulation course of array base palte completed, the insulation course on public electrode was opened via hole;
Make conductive spacer in via hole on the public electrode, described conductive spacer is the column that conductive material is made;
Deposit nesa coating, and photoetching formation again covers all the other positions of removing conductive spacer; Between film formed pixel electrode of described electrically conducting transparent and conductive spacer one gap is arranged;
In the superiors of array base palte and color membrane substrates coating oriented layer, during coating in the conductive spacer position, cross on hole site and the color membrane substrates position corresponding and stay window with conductive spacer;
The assembling two substrates becomes liquid crystal cell, in the process of assembling, array base palte is electrically connected with public electrode on the color membrane substrates by conductive spacer.
By above technical scheme as can be known, LCD provided by the invention and the method for making conductive spacer therein, the public electrode of array base palte is electrically connected by conductive spacer with the public electrode of color membrane substrates, make the electric capacity in parallel have one and the same voltage of liquid crystal pixel electric capacity with liquid crystal pixel electric capacity, improve the homogeneity of current potential on the public electrode of array base palte, make the bias voltage on the pixel capacitance more accurate, the interference of public electrode lead resistance and stray capacitance on the minimizing array base palte, the stability of voltage on the public electrode of raising array base palte.
Also in conjunction with the accompanying drawings the present invention is described in further detail below by specific embodiment.
Description of drawings
Fig. 1 is the structural representation of available liquid crystal display base plate;
Fig. 2 is the schematic equivalent circuit of available liquid crystal display;
Fig. 3 is LCD embodiment 1 schematic equivalent circuit of the present invention;
Fig. 4 is the method for making embodiment 1 and 3 synoptic diagram of conductive spacer in the LCD of the present invention;
Fig. 5 is method for making embodiment 2 synoptic diagram of conductive spacer in the LCD of the present invention;
Fig. 6 is method for making embodiment 4 synoptic diagram of conductive spacer in the LCD of the present invention;
Fig. 7 is method for making embodiment 5 synoptic diagram of conductive spacer in the LCD of the present invention.
Embodiment
Liquid crystal display substrate embodiment 1
The basic structure of Thin Film Transistor-LCD as shown in Figure 1, wherein in middle liquid crystal cell, also chock insulator matter should be set more equably, be used to keep the spacing of upper and lower base plate, its equivalent electrical circuit as shown in Figure 3, horizontal scanning line 11 on the array base palte and column data line 12 infalls are connected with TFT2, the drain electrode of TFT2 connects pixel electrode 5, liquid crystal pixel capacitor C
1cOne end connects the pixel electrode 5 on the array base palte, and the other end connects the public electrode 8 on the color membrane substrates, in described liquid crystal pixel capacitor C
1cGo up a capacitor C in parallel
St, C
StOne end connects pixel electrode 5, and the other end connects the public electrode 3 on the array base palte, and the public electrode 3 on the public electrode 8 on the color membrane substrates and the array base palte is by outer lead 13 peripheral electrical connections.Be electrically connected by conductive spacer 14 between the public electrode 8 on the public electrode 3 of array base palte and the color membrane substrates, conductive spacer 14 passes the sealing liquid crystal layer in middle layer, works to support upper and lower substrate and keeps the liquid crystal gap.
Utilize the stability of the current potential of public electrode 8 in the color membrane substrates, by above-mentioned at array base palte public electrode 3 and the public electrode 8 on the color membrane substrates between conductive spacer 14 is set, improved the homogeneity of current potential on the public electrode 3, unified the current potential on public electrode 3 and the public electrode 8, made pixel capacitance C
1cOn bias voltage more accurate, reduced the interference of public electrode lead resistance and stray capacitance on the array base palte, improved the stability of voltage on the public electrode 3.
Liquid crystal display substrate embodiment 2
In above-mentioned LCD embodiment 1, the conductive spacer 14 that adopts can be a plurality of columns of placement, form a distribution, it uniformly-spaced can be all to place a chock insulator matter 14 on the correspondence position of each sub-pix point, or place one on the correspondence position of the several sub-pix points in every interval, the conductive spacer of placing 14 is suitable and even, can better improve the homogeneity of current potential on the public electrode 3.This conductive spacer 14 can utilize insulating material to make chock insulator matter earlier when making, and covers the layer of transparent conducting film at its skin again, thereby forms conductive spacer 14; Also can be directly to utilize conductive material to make this conductive spacer 14, the lateral surface at conductive spacer 14 can also be coated with a layer insulating at last.
This embodiment can further improve the homogeneity of current potential on the public electrode 3, and the current potential on unified public electrode 3 and the public electrode 8 makes pixel capacitance C
1cOn bias voltage more accurate.
The method for making embodiment 1 of conductive spacer in the LCD
As shown in Figure 4, the technology of making conductive spacer in LCD is: make conductive spacer 14 on the public electrode 8 of color membrane substrates B, be connected with public electrode 8; Insulation course 4 and pixel electrodes 5 above the public electrode on the array base palte A 3 are opened via hole, and conductive spacer 14 positions that are provided with on via hole and the color membrane substrates are corresponding; In the superiors of color membrane substrates B and array base palte A coating oriented layer (not drawing among the figure), during coating on position that conductive spacer 14 is connected with public electrode 8 and array base palte the mistake hole site stay window; Assemble two substrates and form liquid crystal cells, in the process of assembling, the public electrode on the array base palte 3 is electrically connected with public electrode 8 on the color membrane substrates by conductive spacer 14.
The manufacture craft of the described conductive spacer 14 of this embodiment has realized that public electrode 3 is connected with the multiple spot of public electrode 8, can improve the homogeneity of current potential on the public electrode 3, and the current potential on unified public electrode 3 and the public electrode 8 makes pixel capacitance C
1cOn bias voltage more accurate.To conductive spacer 14 be produced on concrete grammar on the public electrode 8 of color membrane substrates by two specific embodiment introductions below.
The method for making embodiment 2 of conductive spacer in the LCD
As shown in Figure 5, the concrete technology of utilizing insulating material to make conductive spacer on color membrane substrates B is:
At first the black matrix 6 of deposition on glass substrate 1 is made the red, green, blue resin bed 7 that the plane distributes alternately;
Make chock insulator matter on the corresponding position of red, green, blue sub-pix on the red, green, blue resin bed 7 that distributes alternately with the plane, chock insulator matter is the column that insulating material is made;
Perhaps on the red, green, blue resin bed 7 that black matrix 6 and plane distribute alternately, cover layer protecting film (not drawing among the figure) again, making chock insulator matter on the diaphragm with on the corresponding position of red, green, blue sub-pix again, chock insulator matter is the column that insulating material is made;
Deposition of transparent conductive film on whole color membrane substrates, described nesa coating covers chock insulator matter, forms conductive spacer 14, and this nesa coating is the public electrode 8 on the color membrane substrates;
The lateral surface of conductive spacer 14 is coated with layer of cloth.
On the array base palte A that makes, insulation course 4 and pixel electrode 5 above the public electrode 3 are opened via hole, conductive spacer 14 positions that are provided with on via hole and the color membrane substrates are corresponding, and 14 of the edge of the via hole of opening and conductive spacers have a gap on the pixel electrode, avoid being electrically connected; In the superiors of color membrane substrates B and array base palte A coating oriented layer (not drawing among the figure), during coating on position that conductive spacer 14 is connected with public electrode 8 and array base palte the mistake hole site stay window; Assemble two substrates and form liquid crystal cell, in the process of assembling, the public electrode 3 on the array base palte is realized being electrically connected with the public electrode 8 on the color membrane substrates by the nesa coating that 14 1 end faces of conductive spacer cover.
Present embodiment is to cover the layer of transparent conducting film by the chock insulator matter outside that makes at insulating material to form conductive spacer 14, thereby realizes the electrical connection between public electrode 3 and the public electrode 8.This method is easy, easily goes, and conductive effect is good, has improved the stability of voltage on the public electrode 3.
The method for making embodiment 3 of conductive spacer on the liquid crystal display substrate
As shown in Figure 4, the another concrete technology of utilizing insulating material to make conductive spacer on color membrane substrates B is:
At first the black matrix 6 of deposition on glass substrate 1 is made the red, green, blue resin bed 7 that the plane distributes alternately;
Deposition of transparent conductive film on red, green, blue resin bed 7, form public electrode 8, perhaps cover layer protecting film (not drawing among the figure) earlier on the red, green, blue resin bed 7 that black matrix 6 and plane distribute alternately, deposition of transparent conductive film on diaphragm forms public electrode 8;
On public electrode 8, the red, green, blue resin bed that distributes alternately with the plane is made conductive spacer 14 on the corresponding position, and conductive spacer 14 is the column of conductive material making;
The lateral surface of conductive spacer 14 is coated with layer of cloth.
On the array base palte A that makes, insulation course 4 and pixel electrode 5 above the public electrode 3 are opened via hole, conductive spacer 14 positions that are provided with on via hole and the color membrane substrates are corresponding, and 14 of the edge of the via hole of opening and conductive spacers have a gap on the pixel electrode, avoid being electrically connected; In the superiors of color membrane substrates B and array base palte A coating oriented layer (not drawing among the figure), during coating on position that conductive spacer 14 is connected with public electrode 8 and array base palte the mistake hole site stay window; Assemble two substrates and form liquid crystal cells, in the process of assembling, the public electrode on the array base palte 3 is electrically connected with public electrode 8 on the color membrane substrates by conductive spacer 14.This method also can connect two public electrodes by a plurality of conductive spacers 14, improves the stability of voltage on the public electrode 3.
The method for making embodiment 4 of conductive spacer in the LCD
This embodiment and next embodiment have introduced respectively conductive spacer 14 have been fixed on manufacture craft on the array base palte A, and the conductive spacer 14 in the present embodiment covers the structure of one deck conducting film for the outside of the column of insulating material making.As shown in Figure 6, concrete technology is: the insulation course 4 on the public electrode 3 of array base palte is opened via hole; Public electrode top area is made chock insulator matter in via hole, and chock insulator matter is the column that insulating material is made; Again deposit nesa coating 5 ', and photoetching formation is made local to the public electrode of residual area in chock insulator matter and the via hole and is covered, and forms conductive spacer 14, nesa coating and the electrically conducting transparent that forms pixel electrode 5 be intermembranous a gap; On array base palte A and color membrane substrates B, be coated with oriented layer, during coating in conductive spacer 14 positions, cross on hole site and the color membrane substrates position corresponding and stay window with conductive spacer 14; Assemble two substrates and form liquid crystal cell, in the process of assembling, the public electrode 3 on array base palte and the color membrane substrates is realized being electrically connected by conductive spacer 14 with public electrode 8.
Present embodiment is accomplished conductive spacer 14 on the array base palte, can realize that equally public electrode 3 is connected with the multiple spot of public electrode 8, improves the homogeneity of current potential on the public electrode 3, makes pixel capacitance C
1cOn bias voltage more accurate.
The method for making embodiment 5 of conductive spacer on the liquid crystal display substrate
Conductive spacer in the present embodiment is the structure of the column of conductive material making, and as shown in Figure 7, concrete technology is: the insulation course 4 on the public electrode 3 of array base palte is opened via hole; Public electrode top area is made conductive spacer 14 in via hole, the column that conductive spacer 14 is made for conductive material; Deposit nesa coating, and photoetching formation again covers all the other positions of removing conductive spacer 14, and film formed pixel electrode 5 of electrically conducting transparent and 14 of conductive spacers have a gap; On array base palte A and color membrane substrates B, be coated with oriented layer, during coating in conductive spacer 14 positions, cross on hole site and the color membrane substrates position corresponding and stay window with conductive spacer 14; Assemble two substrates and form liquid crystal cells, in the process of assembling, the public electrode on the array base palte 3 is electrically connected with public electrode 8 on the color membrane substrates by conductive spacer 14.
Present embodiment is accomplished conductive spacer 14 on the array base palte, can improve the stability of voltage on the public electrode 3 equally.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (13)
1, a kind of LCD, comprise array base palte, color membrane substrates, and connection array, the envelope frame glue of color membrane substrates and the liquid crystal that is enclosed in wherein, liquid crystal pixel electric capacity one utmost point is the pixel electrode on the described array base palte, another utmost point is the public electrode on the color membrane substrates, with a described liquid crystal pixel electric capacity memory capacitance in parallel, one utmost point is described pixel electrode, another utmost point is the public electrode on the array base palte, public electrode on the described color membrane substrates is realized being electrically connected by conducting objects outside the envelope frame glue closed region with the public electrode on the array base palte, it is characterized in that: in envelope frame glue closed region, also be electrically connected between the public electrode on the public electrode on the described color membrane substrates and the array base palte by one or more conductive spacer.
2, LCD according to claim 1 is characterized in that: described conductive spacer is, attached layer of transparent conducting film constitutes on the chock insulator matter of being made by insulating material.
3, LCD according to claim 1 is characterized in that: described conductive spacer is that the chock insulator matter of being made by conductive material constitutes.
4, according to claim 2 or 3 described LCD, it is characterized in that: the lateral surface of described conductive spacer is with insulation course.
5, make the method for conductive spacer in a kind of LCD, it is characterized in that: comprise the steps:
Making has the color membrane substrates of conductive spacer, and described conductive spacer is connected with public electrode on the color membrane substrates;
Insulation course above the array base palte public electrode and pixel electrode are opened via hole, and the conductive spacer position that is provided with on described via hole and the described color membrane substrates is corresponding;
In the superiors of color membrane substrates and array base palte coating oriented layer, during coating on conductive spacer and array base palte the position corresponding with it stay window;
Assemble two substrates and form liquid crystal cells, in the process of assembling, the array base palte public electrode is electrically connected with public electrode on the color membrane substrates by conductive spacer.
6, make the method for conductive spacer in the LCD according to claim 5, it is characterized in that: the manufacture craft that described making has the color membrane substrates of conductive spacer is:
The red, green, blue resin bed that black matrix of deposition and plane distribute alternately on glass substrate;
Make chock insulator matter on the red, green, blue resin bed that distributes alternately on described black matrix and plane with on the corresponding position of red, green, blue sub-pix, described chock insulator matter is the column that insulating material is made;
In the superiors' deposition of transparent conductive film of whole color membrane substrates, described nesa coating covers chock insulator matter, forms conductive spacer.
7, make the method for conductive spacer in the LCD according to claim 5, it is characterized in that: the manufacture craft that described making has the color membrane substrates of conductive spacer is:
The red, green, blue resin bed that black matrix of deposition and plane distribute alternately on glass substrate;
Protective mulch on the red, green, blue resin bed that distributes alternately on described black matrix and plane;
Making chock insulator matter on the described protective seam with on the corresponding position of red, green, blue sub-pix, described chock insulator matter is the column that insulating material is made;
In the superiors' deposition of transparent conductive film of whole color membrane substrates, described nesa coating covers chock insulator matter, forms conductive spacer.
8, make the method for conductive spacer in the LCD according to claim 5, it is characterized in that: the manufacture craft that described making has the color membrane substrates of conductive spacer is:
The red, green, blue resin bed that black matrix of deposition and plane distribute alternately on glass substrate;
Deposition of transparent conductive film on the red, green, blue resin bed that distributes alternately on described black matrix and plane;
On described nesa coating, and make conductive spacer on the corresponding position of red, green, blue sub-pix, described conductive spacer is the column that conductive material is made.
9, make the method for conductive spacer in the LCD according to claim 5, it is characterized in that: the manufacture craft that described making has the color membrane substrates of conductive spacer is:
The red, green, blue resin bed that black matrix of deposition and plane distribute alternately on glass substrate;
Protective mulch on the red, green, blue resin bed that distributes alternately on described black matrix and plane;
Deposition of transparent conductive film on described protective seam;
On described nesa coating, and make conductive spacer on the corresponding position of red, green, blue sub-pix, described conductive spacer is the column that conductive material is made.
10, according to the method for making conductive spacer in the described arbitrary LCD of claim 5 to 9, it is characterized in that: the lateral surface at described conductive spacer is coated with layer of cloth.
11, according to the method for making conductive spacer in the described arbitrary LCD of claim 5 to 9, it is characterized in that: in the operation that insulation course above described array base palte public electrode and pixel electrode are opened via hole, leave one between the edge of opening via hole at described pixel electrode and two substrates assembling back conductive spacer and avoid the gap that is electrically connected.
12, make the method for conductive spacer in a kind of LCD, it is characterized in that: comprise the steps:
After the insulation course of array base palte completed, the insulation course on public electrode was opened via hole;
Make chock insulator matter in via hole on the public electrode, described chock insulator matter is the column that insulating material is made;
Deposit nesa coating, and photoetching formation is again made local to the public electrode of residual area in chock insulator matter and the via hole and is covered, and forms conductive spacer; Described nesa coating and the electrically conducting transparent that forms pixel electrode be intermembranous a gap;
In the superiors of array base palte and color membrane substrates coating oriented layer, during coating in the conductive spacer position, cross on hole site and the color membrane substrates position corresponding and stay window with conductive spacer;
The assembling two substrates becomes liquid crystal cell, in the process of assembling, array base palte is electrically connected with public electrode on the color membrane substrates by conductive spacer.
13, make the method for conductive spacer in a kind of LCD, it is characterized in that: comprise the steps:
After the insulation course of array base palte completed, the insulation course on public electrode was opened via hole;
Make conductive spacer in via hole on the public electrode, described conductive spacer is the column that conductive material is made;
Deposit nesa coating, and photoetching formation again covers all the other positions of removing conductive spacer; Between film formed pixel electrode of described electrically conducting transparent and conductive spacer one gap is arranged;
In the superiors of array base palte and color membrane substrates coating oriented layer, during coating in the conductive spacer position, cross on hole site and the color membrane substrates position corresponding and stay window with conductive spacer;
The assembling two substrates becomes liquid crystal cell, in the process of assembling, array base palte is electrically connected with public electrode on the color membrane substrates by conductive spacer.
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| CNA2007101754858A CN101398572A (en) | 2007-09-29 | 2007-09-29 | LCD and method for making conductive spacer therein |
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