CN103235437A - Liquid crystal display device and manufacturing method thereof - Google Patents

Liquid crystal display device and manufacturing method thereof Download PDF

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Publication number
CN103235437A
CN103235437A CN2013101541804A CN201310154180A CN103235437A CN 103235437 A CN103235437 A CN 103235437A CN 2013101541804 A CN2013101541804 A CN 2013101541804A CN 201310154180 A CN201310154180 A CN 201310154180A CN 103235437 A CN103235437 A CN 103235437A
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substrate
inorganic insulating
insulating membrane
alignment film
liquid crystal
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CN103235437B (en
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马群刚
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Nanjing CEC Panda FPD Technology Co Ltd
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Nanjing CEC Panda LCD Technology Co Ltd
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Abstract

Provided are a liquid crystal display device and a manufacturing method thereof. The liquid crystal display device comprises a first substrate, a second substrate and a liquid crystal layer, wherein the first substrate and the second substrate are opposite to each other, and the liquid crystal layer is clamped between the first substrate and the second substrate. A golden ball is further clamped between the first substrate and the second substrate in a peripheral zone of the liquid crystal display device, and the first substrate and the second substrate are provided with inorganic insulating films. By increasing a layer of inorganic insulating film between a pixel electrode/transparent conducting layer and a matching film, the thickness between an array substrate and a color film substrate is increased; the array substrate and the color film substrate are communicated in the peripheral zone of the liquid crystal display device through a golden ball containing seal, and accordingly display quality and the pass rate are improved.

Description

A kind of Liquid crystal disply device and its preparation method
Technical field
The present invention relates to a kind of high transmission rate Liquid crystal disply device and its preparation method.
Background technology
The luminosity of liquid crystal indicator is the product of back light source brightness and pixel transmitance, under the certain prerequisite of the luminosity of liquid crystal indicator, improves the brightness that the pixel transmitance can reduce backlight, thereby realizes energy-saving and cost-reducing.Raising pixel aperture ratio, liquid crystal can improve the pixel transmitance through efficient, Polarizer transmitance, colored filter transmitance.Wherein, it is the most common improving pixel aperture ratio, also is effective method.
As depicted in figs. 1 and 2 for having the floor map of common liquid crystal indicator now, wherein Fig. 1 is the synoptic diagram of Cs on Gate dot structure, Fig. 2 is the synoptic diagram of Cs on COM dot structure, the available liquid crystal display device comprise array base palte, color membrane substrates and be folded in array base palte and color membrane substrates between the liquid crystal (not shown), each array element of array base palte comprises: data line 12, sweep trace 13, transistor 15 and pixel electrode 16.For Cs on COM structure shown in Figure 2, comprise also in the pixel that storage capacitance line 14(is called for short the Cs line).In Fig. 1, sweep trace 13 double as storage capacitance line namely overlap to form memory capacitance with the sweep trace 13 of lastrow array element and the pixel electrode 16 of next line array element, and it can be used for the distance up and down of open area of printing opacity for Lg.In Fig. 2, use special-purpose Cs line 14 and pixel electrode 16 to overlap to form memory capacitance, because the existence of Cs line 14, the effective light transmission zone of obviously having reduced pixel electrode 16, it is less for Lc that pixel electrode 16 can be used for the distance up and down of open area of printing opacity.
In array element, it is an important topic that promotes pixel aperture ratio that raising can be used for the distance up and down of open area of printing opacity, and an important countermeasure of this problem is to omit the Cs line.As shown in Figure 3 and Figure 4, patent CN201210584816.4 has proposed a kind of special-purpose Cs line that need not, and memory capacitance Cs is made on the color membrane substrates 20.As shown in Figure 4, memory capacitance Cs electrode is the transparency conducting layer 24 on the color membrane substrates 20; As shown in Figure 5, another electrode is the pixel electrode 14 on the array base palte 10, and middle insulating medium is alignment film 52 on the color membrane substrates 20 and the alignment film 51 on the array base palte 10.
There is following several problem in the structure of Fig. 4 and Fig. 5:
1, the thickness of alignment film is generally on the 800 Izod right sides, and the gross thickness of array base palte and the two-layer alignment film of color membrane substrates has only the 1600 Izod right sides.Because alignment film belongs to organic resin, when forming Fig. 4 and Cs on CF structure shown in Figure 5, supported capital live alignment film destroy easily, influence display effect.
2, the gross thickness that is used as the alignment film of memory capacitance insulation course has only 1600 dusts, and the unevenness of thickness influences the big or small homogeneity of memory capacitance easily, finally influences display effect.
Summary of the invention
The present invention discloses a kind of Liquid crystal disply device and its preparation method that improves display quality and qualification rate.
The invention provides a kind of liquid crystal indicator, comprise the first relative substrate and second substrate, and be folded in liquid crystal layer between first substrate and second substrate, between the neighboring area of liquid crystal indicator first substrate and second substrate, also be folded with gold goal, wherein, described first substrate comprises: pixel electrode, be positioned at first inorganic insulating membrane on the pixel electrode, and be positioned at first alignment film on first inorganic insulating membrane, this first alignment film is positioned at a side relative with second substrate, and described first inorganic insulating membrane is provided with opening in the neighboring area of first substrate; Described second substrate comprises: at least one support column, coat support column transparency conducting layer, be positioned at second inorganic insulating membrane on the transparency conducting layer and be positioned at second alignment film on second inorganic insulating membrane, this second alignment film is positioned at a side relative with first substrate, described first alignment film and second alignment film are fit-state in the position of support column, described second inorganic insulating membrane also is provided with opening in the neighboring area of second substrate, and the opening of the opening of second inorganic insulating membrane and described first inorganic insulating membrane is symmetry shape; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded between the opening of the opening of first inorganic insulating membrane and second inorganic insulating membrane.
The present invention provides a kind of liquid crystal indicator again, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, described first substrate comprises: at least one support column, coat support column pixel electrode, be positioned at first inorganic insulating membrane on the pixel electrode and be positioned at first alignment film on first inorganic insulating membrane, this first alignment film is positioned at a side relative with second substrate, and described first inorganic insulating membrane is provided with opening in the neighboring area of first substrate; Described second substrate comprises: transparency conducting layer, be positioned at second inorganic insulating membrane on the transparency conducting layer and be positioned at second alignment film on second inorganic insulating membrane, this second alignment film is positioned at a side relative with first substrate, described first alignment film and second alignment film are fit-state in the position of support column, described second inorganic insulating membrane also is provided with opening in the neighboring area of second substrate, and the opening of the opening of second inorganic insulating membrane and described first inorganic insulating membrane is symmetry shape; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded between the opening of the opening of first inorganic insulating membrane and second inorganic insulating membrane.
The present invention provides a kind of liquid crystal indicator again, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, described first substrate comprises: pixel electrode, be positioned at first inorganic insulating membrane on the pixel electrode and be positioned at first alignment film on first inorganic insulating membrane, this first alignment film is positioned at a side relative with second substrate, and described first inorganic insulating membrane is provided with opening in the neighboring area of first substrate; Described second substrate comprises: at least one support column, coat support column transparency conducting layer, be positioned at second alignment film on the transparency conducting layer, this second alignment film is positioned at a side relative with first substrate, and described first alignment film and second alignment film are fit-state in the position of support column; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded in the open area of first inorganic insulating membrane and between second substrate.
The present invention provides a kind of liquid crystal indicator again, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, described first substrate comprises: pixel electrode, be positioned at first inorganic insulating membrane on the pixel electrode and be positioned at first alignment film on first inorganic insulating membrane, this first alignment film is positioned at a side relative with second substrate; Described second substrate comprises: at least one support column, coat support column transparency conducting layer, be positioned at second inorganic insulating membrane on the transparency conducting layer and be positioned at second alignment film on second inorganic insulating membrane, this second alignment film is positioned at a side relative with first substrate, described first alignment film and second alignment film are fit-state in the position of support column, and described second inorganic insulating membrane is provided with opening in the neighboring area of second substrate; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded in the open area of second inorganic insulating membrane and between first substrate.
The present invention provides a kind of liquid crystal indicator again, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, described first substrate comprises: at least one support column, coat support column pixel electrode, be positioned at first inorganic insulating membrane on the pixel electrode and be positioned at first alignment film on first inorganic insulating membrane, this first alignment film is positioned at a side relative with second substrate, and described first inorganic insulating membrane is provided with opening in the neighboring area of first substrate; Described second substrate comprises: transparency conducting layer, be positioned at second alignment film on the transparency conducting layer, this second alignment film is positioned at a side relative with first substrate, and described first alignment film and second alignment film are fit-state in the position of support column; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded in the open area of first inorganic insulating membrane and between second substrate.
The present invention provides a kind of liquid crystal indicator again, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, described first substrate comprises: at least one support column, coat support column pixel electrode, be positioned at first alignment film on the pixel electrode, this first alignment film is positioned at a side relative with second substrate; Described second substrate comprises: transparency conducting layer, be positioned at second inorganic insulating membrane on the transparency conducting layer and be positioned at second alignment film on second inorganic insulating membrane, this second alignment film is positioned at a side relative with first substrate, described first alignment film and second alignment film are fit-state in the position of support column, and described second inorganic insulating membrane is provided with opening in the neighboring area of second substrate; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded in the open area of second inorganic insulating membrane and between first substrate.
The present invention provides a kind of manufacture method of liquid crystal indicator again, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, it is characterized in that: described first substrate and second substrate also are folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described first substrate and/or second substrate are provided with inorganic insulating membrane, and the manufacture method of described inorganic insulating membrane is as follows: the first step: form one deck first inorganic insulating membrane at substrate with film-forming process; Second step: forming basis coating one deck photoresist of the above-mentioned first step; The 3rd step: on the basis that forms above-mentioned second step, as mask substrate substrate is carried out exposure-processed with the UV shadow shield, the UV shadow shield is at the area level opening shape of predetermined coating gold goal, be the shading shape in other zones, the result of exposure-processed is that the regional UV shadow shield that need carry out the gold goal coating is penetrated by UV illumination, forms opening; And the viewing area is not penetrated by UV illumination; The 4th step: on the basis that forms above-mentioned the 3rd step, remove photoresist by developing process; Then to the etching processing of carrying out on the inorganic insulating membrane, remove the inorganic insulating membrane of gold goal dispensing area.
The present invention provides a kind of manufacture method of liquid crystal indicator again, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, described first substrate and second substrate also are folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described first substrate and/or second substrate are provided with inorganic insulating membrane, the manufacture method of described inorganic insulating membrane is as follows: before first substrate and second substrate coating alignment film, with sol-gal process each self-forming one deck inorganic insulating membrane in the viewing area.
The present invention is by increase one deck inorganic insulating membrane between pixel electrode/transparency conducting layer and alignment film, thus the thickness between raising array base palte and the color membrane substrates; And realize array base palte and color membrane substrates conducting in the neighboring area of liquid crystal indicator by containing gold goal Seal, thereby improve display quality and qualification rate.
Description of drawings
Fig. 1 is the synoptic diagram of the Cs on Gate dot structure of available liquid crystal display device;
Fig. 2 is the synoptic diagram of the Cs on COM dot structure of available liquid crystal display device;
Fig. 3 is the synoptic diagram of the Cs on CF dot structure of available liquid crystal display device;
Fig. 4 is the synoptic diagram that electrode is the transparency conducting layer on the color membrane substrates of Cs shown in Figure 3;
Fig. 5 is the synoptic diagram that electrode is the pixel electrode on the array base palte of Cs shown in Figure 3;
Fig. 6 is the synoptic diagram of the dot structure section of liquid crystal indicator first embodiment of the present invention;
Fig. 7 is the synoptic diagram of first embodiment of the inorganic insulating membrane forming process of liquid crystal indicator of the present invention;
Fig. 8 is the synoptic diagram of second embodiment of the inorganic insulating membrane forming process of liquid crystal indicator of the present invention;
Fig. 9 is the dot structure sectional schematic diagram of liquid crystal indicator second embodiment of the present invention;
Figure 10 is the structural representation of second embodiment of liquid crystal indicator of the present invention;
Figure 11 is another structural representation of second embodiment of liquid crystal indicator of the present invention;
Figure 12 is electric capacity between the electrode on the two substrates and the circuit diagram of resistance.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
Shown in Figure 6 is the synoptic diagram of the dot structure section of liquid crystal indicator first embodiment of the present invention, the dotted line AA among Fig. 6 `-BB `And CC `-DD `For omission place, as shown in Figure 6, liquid crystal indicator comprises the first relative substrate 10, second substrate 20, be folded in the liquid crystal layer (not shown) between first substrate 10 and second substrate 20, and be supported on some support columns 40 on first substrate 10 or second substrate 20, described first substrate 10 and second substrate, 20 facing surfaces are equipped with alignment film, and the alignment film that definition is located on first substrate 10 is called first alignment film 51, the alignment film of being located on second substrate 20 is called second alignment film 52, and this first alignment film 51 and second alignment film 52 are the state of fitting tightly in support column 40 positions.Support column 40 is used for supporting first substrate 10 or second substrate 20, makes liquid crystal layer evenly to distribute between first substrate 10 and second substrate 20.
In the present embodiment, support column 40 shown in Figure 6 is positioned on second substrate 20.
As shown in Figure 6, described first substrate 10 is array base palte (TFT substrate), it is positioned on first glass substrate 11, it comprises: crisscross some sweep traces 13 and data line (not shown), the thin film transistor (TFT) (not shown), pixel electrode 16, be positioned at first alignment film 51 on the pixel electrode 16, and with pixel electrode 16 with layer and be positioned at the public electrode 19 of neighboring area, thin film transistor (TFT) 15 comprises the grid (not shown) that is connected with sweep trace 13, the source electrode (not shown) that is connected with data line, and the drain electrode (not shown) that is connected with pixel electrode 16, electricity between drain electrode and the pixel electrode 16 connects by the contact hole (not shown), in the present embodiment, spatially there is not the overlapping region between pixel electrode 16 and the data line.Wherein, between sweep trace 13 and the data line across gate insulator 17, between data line and the pixel electrode 16 across protection insulation course 18, in the neighboring area, between data line and the public electrode 19 also across protecting insulation course 18.
In the present embodiment, the pixel electrode 16 of first substrate 10 is coated with first inorganic insulating membrane 61, covers described first alignment film 51 at first inorganic insulating membrane 61 again.
In the neighboring area of liquid crystal indicator, described first inorganic insulating membrane 61 has first opening 611, has public electrode 19 below first opening 611.
As shown in Figure 6, second substrate 20 is color membrane substrates (CF substrate), is divided into viewing area and shading region on second substrate 20, and described support column 40 is positioned at the shading region of second substrate 20.In the present embodiment, second substrate 20 is positioned on second glass substrate 21, and it comprises: look resistance layer 22, the black matrix" 23 that is discontinuous shape, the support column 40 that is positioned at look resistance layer 22 belows, the transparency conducting layer 24 that is coated on support column 40 peripheries and described second alignment film 52.
In the present embodiment, be provided with second inorganic insulating membrane 62 between transparency conducting layer 24 and second alignment film 52, this second inorganic insulating membrane 62 is all identical with first inorganic insulating membrane, 61 constituents and shape on being positioned at first substrate 10, and being symmetry shape with first inorganic insulating membrane 61, second inorganic insulating membrane 62 also is discontinuous shape.
First inorganic insulating membrane 61 and second inorganic insulating membrane 62 are by SiO 2Make formation.
In the neighboring area of liquid crystal indicator, second inorganic insulating membrane 62 also has second opening 621, has transparency conducting layer 24 below second opening 621.
Neighboring area at liquid crystal indicator, also be folded with gold goal Seal70 between first substrate 10 and second substrate 20, described gold goal Seal70 is folded between second opening 621 of first opening 611 of first inorganic insulating membrane 61 and second inorganic insulating membrane 62, the end applying public electrode 19 of gold goal Seal70, the other end applying transparency conducting layer 24 of gold goal Seal70,, by gold goal Seal70 first substrate, 10 common potential are transferred on second substrate 20.
Because first inorganic insulating membrane 61 of first substrate 10 and second inorganic insulating membrane 62 of second substrate 20 all have opening in the neighboring area, so realize first substrate 10 and 20 conductings of second substrate by containing gold goal Seal70.
In the viewing area of liquid crystal indicator, from second substrate, 20 to first substrates 10 be in regular turn: support column 40, transparency conducting layer 24, second inorganic insulating membrane 62, second alignment film 52, first alignment film 51, first inorganic insulating membrane 61 and pixel electrode 16.The pixel electrode 16 of first substrate 10 and the transparency conducting layer 24 of second substrate 20 form memory capacitance in the zone of support column 24 positions, described pixel electrode 16 and transparency conducting layer 24 be as the parallel-plate electrode of memory capacitance, and memory capacitance is the overlapping area of transparency conducting layer 24 and the pixel electrode 16 of support column 40 bottoms.
In other embodiments, when support column 40 is positioned on first substrate 20, first substrate comprises: at least one support column, coat support column pixel electrode, be positioned at first inorganic insulating membrane on the pixel electrode and be positioned at first alignment film on first inorganic insulating membrane, this first alignment film is positioned at a side relative with second substrate, and described first inorganic insulating membrane is provided with opening in the neighboring area of first substrate; Described second substrate comprises: transparency conducting layer, be positioned at second inorganic insulating membrane on the transparency conducting layer and be positioned at second alignment film on second inorganic insulating membrane, this second alignment film is positioned at a side relative with first substrate, and described first alignment film and second alignment film are fit-state in the position of support column.
Fig. 7 is the synoptic diagram of first embodiment of inorganic insulating membrane forming process, because first inorganic insulating membrane 61 and second inorganic insulating membrane 62 are symmetry shape, its structure and material is all identical, so Fig. 7 only illustrates the forming process of first inorganic insulating membrane 61 of first substrate 10, second inorganic insulating membrane, 62 generation types of second substrate 20 are identical with first inorganic insulating membrane 61, so repeated description not.
The step that forms first inorganic insulating membrane 61 at first substrate 10 is as follows:
The first step: the pixel electrode 16 usefulness CVD film-forming process at first substrate 10 form one deck first inorganic insulating membrane 61.
Second step: forming basis coating one deck photoresist 200 of the above-mentioned first step.
The 3rd step: shown in Fig. 7 A, on the basis that forms above-mentioned second step, as mask substrate first substrate 10 is carried out exposure-processed with UV shadow shield 100, UV shadow shield 100 is the shading shape at the area level opening shape of predetermined coating gold goal Seal70 in other zones.The result of exposure-processed is the zone that need carry out gold goal Seal70 coating, and UV shadow shield 100 is penetrated by UV illumination, forms the second opening 611(shown in Fig. 7 B); And do not penetrated by UV illumination by the viewing area that gold goal Seal70 surrounds.
The 4th step: on the basis that forms above-mentioned the 3rd step, remove photoresist 200 by developing process; Then to the etching processing of carrying out on first inorganic insulating membrane 61, remove the inorganic insulating membrane of gold goal Seal70 dispensing area with this.
Because first inorganic insulating membrane 61 and second inorganic insulating membrane 62 are symmetry shape, its structure and material is all identical, so Fig. 7 only illustrates the forming process of first inorganic insulating membrane 61 of first substrate 10, second inorganic insulating membrane, 62 generation types of second substrate 20 are identical with first inorganic insulating membrane 61, so second substrate 20 can share the UV shadow shield 100 of first substrate 10, at this repeated description not.
Fig. 8 is the synoptic diagram of second embodiment of inorganic insulating membrane forming process, Figure 8 shows that inkjet technology forms inorganic insulating membrane, because the memory capacitance between first substrate and second substrate only is formed at the viewing area, so only need be coated with inorganic insulating membrane in the viewing area.Viewing area large tracts of land film forming, the accuracy requirement of figure is not high, so can adopt inkjet technology, only carries out the coating of inorganic insulating membrane at the large area region that covers the viewing area.Dispensing area can not cover gold goal Seal dispensing area.The concrete formation technology of inorganic insulating membrane can be before first substrate and second substrate coating alignment film, with sol-gal process each inorganic insulating membrane such as self-forming one deck SOG, TEOS in the viewing area.
Fig. 8 only shows the synoptic diagram that forms first inorganic insulating membrane 61 with sol-gal process in the viewing area of first substrate 10.
Fig. 9 is the dot structure sectional schematic diagram of liquid crystal indicator of the present invention second embodiment shown in Figure 6, is the thickness of dielectric layers that increases memory capacitance because the present invention increases the purpose of inorganic insulating membrane, improves the reliability of memory capacitance, guarantees display effect.
So except all forming the inorganic insulating membrane at first substrate and second substrate, can also adopt second embodiment shown in Figure 9, only carry out the inorganic insulating membrane film forming at first substrate or second substrate, one side.Shown in Figure 9 carries out the inorganic insulating membrane film forming in first substrate, one side, gold goal Seal70 is coated with between first opening 611 of second substrate 20 and first substrate 10, the end applying transparency conducting layer 24 of gold goal Seal70, other end applying public electrode 19 are realized first substrate 10 and 20 conductings of second substrate by containing gold goal Seal70.
When second substrate, one side is provided with the inorganic insulating membrane film forming, gold goal Seal is coated with between second opening 621 of first substrate and second substrate, the end applying transparency conducting layer 24 of gold goal Seal70, other end applying public electrode 19 are realized first substrate 10 and 20 conductings of second substrate by containing gold goal Seal70.
Figure 10 and the structural representation that Figure 11 shows that the second embodiment of the present invention, because there are certain contraposition deviations (unit is um) in first substrate 10 and second substrate 20 when fitting, for the memory capacitance capacitance that guarantees all pixels in the liquid crystal indicator is not subjected to the influence of contraposition deviations, can carry out as Fig. 9 or capacitance compensation design shown in Figure 10 memory capacitance.In Fig. 9, Edge Distance a, the b of the edge of bottom perimeter and pixel electrode 14, c, d must satisfy on the support column 40: a〉σ, b〉σ, c〉σ, d〉σ, that is: namely: the distance on the support column 40 of memory capacitance between bottom perimeter and pixel electrode 14 edges is greater than the applying accuracy value of first substrate and second substrate; For scheme shown in Figure 10, Edge Distance a ', the b ' of bottom perimeter, c ', d ' must satisfy on the edge of pixel electrode and the support column 40: a '〉σ; B '〉σ; C '〉σ; D '〉σ, that is: on the support column 40 of pixel electrode 14 edges and memory capacitance the distance between the bottom perimeter greater than the applying accuracy value of first substrate and second substrate.
In the present invention, the selection of alignment film thickness and inorganic insulating membrane thickness can not influence the display effect of liquid crystal.In Figure 12, the alignment film capacitor C PI(second substrate, one side be designated as C PI1, first substrate, one side be designated as C PI2), perhaps C PIWith the inorganic insulating membrane capacitor C PA(second substrate, one side be designated as C PA1, first substrate, one side be designated as C PA2) series capacitance than liquid crystal capacitance C LCExceed 2 orders of magnitude.To guarantee to be added under the exchange status voltage V on the liquid crystal LCSubstantially equal V AC, with reference to formula 1:
V LC = 1 / jω C LC 1 / jω C PA 1 + 1 / jω C PI 1 + 1 / jω C LC + 1 / jω C PI 2 + 1 / jω C PA 2 × V AC ≈ V AC (formula 1).
The present invention is by increase one deck inorganic insulating membrane between pixel electrode/transparency conducting layer and alignment film, thus the thickness between raising array base palte and the color membrane substrates; And realize array base palte and color membrane substrates conducting in the neighboring area of liquid crystal indicator by containing gold goal Seal, thereby improve display quality and qualification rate.

Claims (10)

1. liquid crystal indicator, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, it is characterized in that: between the neighboring area of liquid crystal indicator first substrate and second substrate, also be folded with gold goal, wherein
Described first substrate comprises: pixel electrode, be positioned at first inorganic insulating membrane on the pixel electrode and be positioned at first alignment film on first inorganic insulating membrane, this first alignment film is positioned at a side relative with second substrate, and described first inorganic insulating membrane is provided with opening in the neighboring area of first substrate;
Described second substrate comprises: at least one support column, coat support column transparency conducting layer, be positioned at second inorganic insulating membrane on the transparency conducting layer and be positioned at second alignment film on second inorganic insulating membrane, this second alignment film is positioned at a side relative with first substrate, described first alignment film and second alignment film are fit-state in the position of support column, described second inorganic insulating membrane also is provided with opening in the neighboring area of second substrate, and the opening of the opening of second inorganic insulating membrane and described first inorganic insulating membrane is symmetry shape; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded between the opening of the opening of first inorganic insulating membrane and second inorganic insulating membrane.
2. liquid crystal indicator, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, it is characterized in that:
Described first substrate comprises: at least one support column, coat support column pixel electrode, be positioned at first inorganic insulating membrane on the pixel electrode and be positioned at first alignment film on first inorganic insulating membrane, this first alignment film is positioned at a side relative with second substrate, and described first inorganic insulating membrane is provided with opening in the neighboring area of first substrate;
Described second substrate comprises: transparency conducting layer, be positioned at second inorganic insulating membrane on the transparency conducting layer and be positioned at second alignment film on second inorganic insulating membrane, this second alignment film is positioned at a side relative with first substrate, described first alignment film and second alignment film are fit-state in the position of support column, described second inorganic insulating membrane also is provided with opening in the neighboring area of second substrate, and the opening of the opening of second inorganic insulating membrane and described first inorganic insulating membrane is symmetry shape; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded between the opening of the opening of first inorganic insulating membrane and second inorganic insulating membrane.
3. liquid crystal indicator according to claim 1 and 2, it is characterized in that: described first inorganic insulating membrane and second inorganic insulating membrane are by SiO 2Make.
4. liquid crystal indicator according to claim 1 and 2 is characterized in that: described first substrate be provided with in the neighboring area and pixel electrode with the public electrode of layer, an end applying public electrode of gold goal, the other end applying transparency conducting layer of gold goal.
5. liquid crystal indicator, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, it is characterized in that:
Described first substrate comprises: pixel electrode, be positioned at first inorganic insulating membrane on the pixel electrode and be positioned at first alignment film on first inorganic insulating membrane, this first alignment film is positioned at a side relative with second substrate, and described first inorganic insulating membrane is provided with opening in the neighboring area of first substrate;
Described second substrate comprises: at least one support column, coat support column transparency conducting layer, be positioned at second alignment film on the transparency conducting layer, this second alignment film is positioned at a side relative with first substrate, and described first alignment film and second alignment film are fit-state in the position of support column; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded in the open area of first inorganic insulating membrane and between second substrate.
6. liquid crystal indicator, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, it is characterized in that:
Described first substrate comprises: pixel electrode, be positioned at first inorganic insulating membrane on the pixel electrode and be positioned at first alignment film on first inorganic insulating membrane, this first alignment film is positioned at a side relative with second substrate;
Described second substrate comprises: at least one support column, coat support column transparency conducting layer, be positioned at second inorganic insulating membrane on the transparency conducting layer and be positioned at second alignment film on second inorganic insulating membrane, this second alignment film is positioned at a side relative with first substrate, described first alignment film and second alignment film are fit-state in the position of support column, and described second inorganic insulating membrane is provided with opening in the neighboring area of second substrate; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded in the open area of second inorganic insulating membrane and between first substrate.
7. liquid crystal indicator, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, it is characterized in that:
Described first substrate comprises: at least one support column, coat support column pixel electrode, be positioned at first inorganic insulating membrane on the pixel electrode and be positioned at first alignment film on first inorganic insulating membrane, this first alignment film is positioned at a side relative with second substrate, and described first inorganic insulating membrane is provided with opening in the neighboring area of first substrate;
Described second substrate comprises: transparency conducting layer, be positioned at second alignment film on the transparency conducting layer, this second alignment film is positioned at a side relative with first substrate, and described first alignment film and second alignment film are fit-state in the position of support column; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded in the open area of first inorganic insulating membrane and between second substrate.
8. liquid crystal indicator, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, it is characterized in that:
Described first substrate comprises: at least one support column, coat support column pixel electrode, be positioned at first alignment film on the pixel electrode, this first alignment film is positioned at a side relative with second substrate;
Described second substrate comprises: transparency conducting layer, be positioned at second inorganic insulating membrane on the transparency conducting layer and be positioned at second alignment film on second inorganic insulating membrane, this second alignment film is positioned at a side relative with first substrate, described first alignment film and second alignment film are fit-state in the position of support column, and described second inorganic insulating membrane is provided with opening in the neighboring area of second substrate; Wherein, also be folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described gold goal is folded in the open area of second inorganic insulating membrane and between first substrate.
9. the manufacture method of a liquid crystal indicator, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, it is characterized in that: described first substrate and second substrate also are folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described first substrate and/or second substrate are provided with inorganic insulating membrane, and the manufacture method of described inorganic insulating membrane is as follows:
The first step: form one deck first inorganic insulating membrane with film-forming process at substrate;
Second step: forming basis coating one deck photoresist of the above-mentioned first step;
The 3rd step: on the basis that forms above-mentioned second step, as mask substrate substrate is carried out exposure-processed with the UV shadow shield, the UV shadow shield is the shading shape at the area level opening shape of predetermined coating gold goal in other zones,
The result of exposure-processed is that the regional UV shadow shield that need carry out the gold goal coating is penetrated by UV illumination, forms opening; And the viewing area is not penetrated by UV illumination;
The 4th step: on the basis that forms above-mentioned the 3rd step, remove photoresist by developing process; Then to the etching processing of carrying out on the inorganic insulating membrane, remove the inorganic insulating membrane of gold goal dispensing area.
10. the manufacture method of a liquid crystal indicator, comprise the first relative substrate and second substrate and be folded in first substrate and second substrate between liquid crystal layer, it is characterized in that: described first substrate and second substrate also are folded with gold goal between the neighboring area of liquid crystal indicator first substrate and second substrate, described first substrate and/or second substrate are provided with inorganic insulating membrane, the manufacture method of described inorganic insulating membrane is as follows: before first substrate and second substrate coating alignment film, with sol-gal process each self-forming one deck inorganic insulating membrane in the viewing area.
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