CN101196635A - Liquid crystal panel and producing method - Google Patents
Liquid crystal panel and producing method Download PDFInfo
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- CN101196635A CN101196635A CNA2006101573557A CN200610157355A CN101196635A CN 101196635 A CN101196635 A CN 101196635A CN A2006101573557 A CNA2006101573557 A CN A2006101573557A CN 200610157355 A CN200610157355 A CN 200610157355A CN 101196635 A CN101196635 A CN 101196635A
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Abstract
The invention relates to an LCD panel, which comprises a first baseplate with an alignment film, a second baseplate with an alignment film set corresponding to the first baseplate, a sealant which is provided on periphery of the display area used for jointing the first and the second baseplates, and forms a liquid crystal box with the two baseplates, and a liquid crystal layer set inside the liquid crystal box, wherein, at least one baseplate is provided with a plurality of processes set spaced out of the periphery of the display area. The alignment film in the area with a plurality of processes only covers the interval areas between the plurality of processes, and the sealant covers at least one process. The adhesive force of the sealant of the LCD panel is good with low error of the alignment coating. The invention also provides the manufacturing method of the LCD panel.
Description
Technical field
The invention relates to a kind of liquid crystal panel and manufacture method thereof.
Background technology
All to use alignment film in LCD or the liquid crystal optical device at present, and the function of alignment film is liquid crystal to be done orderly arrangement, because liquid crystal is the result of orderly arrangement, can effectively control the direction of liquid crystal arrangement, can obtain desired liquid crystal display pattern.
During existing alignment film is made, need make the resin transfer version of apparatus predetermined pattern, orientation liquid is transferred on the substrate, make rubbing with hair wheel cloth again, can do the liquid crystal display pattern that orderly arrangement reaches expection to liquid crystal through the alignment film that the method was handled.In this made, resin transfer version design of patterns can obviously have influence on the Presentation Function and the fiduciary level of LCD.
With the LCD is example, in conjunction with Fig. 1 the manufacturing step of its liquid crystal panel is described, the manufacturing of this liquid crystal panel comprises the steps:
Step 1: one first mother substrate 110 and one second mother substrate 120 are provided;
Step 2: on this first mother substrate 110 and this second mother substrate 120, form a plurality of colored filter substrates 111 and a plurality of thin film transistor base plate 121 respectively;
Step 3: coating alignment film;
Adopt resin transfer version 1 as shown in Figure 2, respectively to a plurality of colored filter substrates 111 of this first mother substrate 110 and a plurality of thin film transistor base plates 121 coating alignment films 140 of this second mother substrate 120.This resin transfer version 1 comprises a plurality of unit areas 12, and this unit area 12 is the zone of rectangle tool transfer printing function, and these unit area 12 sizes are corresponding with this colored filter substrate 111 or this thin film transistor base plate 121.In coating during alignment film 140, each unit area 12 with the transfer printing of orientation liquid, cover each colored filter substrate 111 and each thin film transistor base plate 121;
Step 4: alignment film 140 is made directional process;
Step 5: the periphery coating frame glue 112 at a plurality of thin film transistor base plates 121 of a plurality of colored filter substrates 111 of this first mother substrate 110 or second mother substrate 120 forms a liquid crystal cell (indicating);
Step 6: dispenser method 130 in this liquid crystal cell;
Step 7: make up two mother substrates 110,120 then, to form big panel 100;
Step 8: this big panel 100 is cut into unit panel, to form a plurality of liquid crystal panels.
But, in the above-mentioned steps, paste this two mother substrate of combination 110,120 o'clock, owing to this frame glue 112 and not good generation of adhesion of alignment film 140 are peeled off phenomenon with frame glue 112.
In order to prevent to cause substrate and frame glue to produce the not good situation of adhesion on the alignment film because of frame glue is formed on, prior art provides a new resin transfer version, as shown in Figure 3, this resin transfer version 2 comprises the unit area 22 of a plurality of patterned process, this unit area 22 comprises two tool transfer printing functional areas 225 and a white space 226, and this white space 226 is " mouth " font this two tools transfer printing functional area 225 at interval.
Coating is during alignment film 140, each unit area 22 with the transfer printing of orientation liquid, cover each thin film transistor base plate 121 and each colored filter substrate 111.This tool transfer printing functional area 225 goes to this thin film transistor base plate 121 and colored filter substrate 111 backs and forms and these white space 226 corresponding frame rubber adhering zones, and this frame glue adhering zone is uncoated alignment film 140.
Therefore but along with thin film transistor base plate 121 and the increase of colored filter substrate 111 areas and the lifting of utilization factor, design of patterns is also got over complicated on the resin transfer version, easily causes the patterned process precision not good.Thereby, when thin film transistor base plate 121 or colored filter substrate 111 coating alignment films, easily produce the coating error.And then, influence the Presentation Function and the fiduciary level of LCD.
Summary of the invention
For solving the lower problem of above-mentioned liquid crystal panel frame glue adhesion, be necessary to provide the lower liquid crystal panel of coating error of the preferable and alignment film of a kind of frame glue adhesion.
Also be necessary to provide a kind of manufacture method of above-mentioned liquid crystal panel.
A kind of liquid crystal panel, it has a viewing area, and this liquid crystal panel comprises: one first substrate, this first substrate is provided with an alignment film; One second substrate, itself and this first substrate is oppositely arranged, and this second substrate is provided with an alignment film; One frame glue, it is arranged on this periphery, viewing area, be used to fit this first substrate and second substrate, and form a liquid crystal cell with this first substrate and second substrate; And a liquid crystal layer, it is arranged in this liquid crystal cell; Wherein, be arranged at intervals with a plurality of projections in this periphery, viewing area at least one substrate, the interior alignment film in zone that is provided with a plurality of projections only covers the part of these a plurality of projections, and this frame glue covers at least one projection.
A kind of manufacture method of liquid crystal panel, it may further comprise the steps: one first substrate and one second substrate are provided; On at least one substrate of this first substrate and second substrate, a plurality of projections of the peripheral formation in viewing area; One orientation liquid is printed to this first substrate and second substrate, to form an alignment film by the transfer printing version; At the peripheral coating in this second substrate viewing area one frame glue, this frame glue and second substrate form a liquid crystal cell; In this liquid crystal cell, splash into liquid crystal to form a liquid crystal layer; With this first substrate and this second baseplate-laminating that is coated with frame glue; Wherein, interior this alignment film in zone that is provided with a plurality of projections only covers the part of these a plurality of projections, and this frame glue covers at least one projection.
Because at least one substrate of liquid crystal panel of the present invention in this first substrate and second substrate, the periphery, viewing area is arranged at intervals with a plurality of projections.In the alignment film coating is made, when being coated on orientation liquid on the whole base plate, be applied to part orientation liquid on peripheral these a plurality of projections in this viewing area and shift in the interval region between a plurality of projections, finish baking procedure after these a plurality of projections only be coated with alignment film in the part.Therefore, when pasting this two substrate of combination by the frame gluing, this frame glue is good with the adhesion that is not coated with the alignment film part of these a plurality of projections.So liquid crystal panel of the present invention has increased the adhesion of frame glue and substrate compared to prior art.And simultaneously, liquid crystal panel of the present invention has also solved another prior art need design the coating error that complex pattern causes because of alignment film problem under the prerequisite that realizes same adhesion.
Because in the manufacture method of liquid crystal panel of the present invention, at first at least one substrate in this first substrate and second substrate, the periphery, viewing area forms a plurality of projections; Be coated with alignment film on this first substrate and second substrate then, be provided with the zone of a plurality of projections, the orientation liquid that this formation alignment film is coated with partly slides to the interval region between these a plurality of projections, and only its part of these a plurality of projections is coated with alignment film after the postorder baking; When peripheral coating frame gluing pasted this two substrate of combination in the viewing area at last, this frame glue was good with the adhesion that is not coated with the alignment film part of these a plurality of projections.So the liquid crystal panel of the manufacture method manufacturing of liquid crystal panel of the present invention has increased the adhesion of frame glue and substrate compared to prior art.And simultaneously, this liquid crystal panel has also solved another prior art need design the coating error that complex pattern causes because of alignment film problem under the prerequisite that realizes same adhesion.
Description of drawings
Fig. 1 is a kind of decomposing schematic representation of prior art liquid crystal panel.
Fig. 2 is the open and flat synoptic diagram of the resin transfer version that adopted in the alignment film manufacturing of liquid crystal panel shown in Figure 1.
Fig. 3 is the open and flat synoptic diagram of another resin transfer version of being adopted in the alignment film manufacturing of liquid crystal panel shown in Figure 1.
Fig. 4 is the partial cutaway schematic of liquid crystal panel first embodiment of the present invention.
Fig. 5 is the floor map that liquid crystal panel shown in Figure 4 forms bossed first substrate.
Fig. 6 is the floor map that liquid crystal panel shown in Figure 4 forms bossed second substrate.
Fig. 7 be liquid crystal panel shown in Figure 4 on this colored filter substrate, form alignment film the time resin transfer version that adopted local open and flat synoptic diagram.
Fig. 8 be liquid crystal panel shown in Figure 4 on this thin film transistor base plate, form alignment film the time resin transfer version that adopted local open and flat synoptic diagram.
Fig. 9 is the partial cutaway schematic of liquid crystal panel second embodiment of the present invention.
Figure 10 be liquid crystal panel shown in Figure 9 on this first substrate, form alignment film the time resin transfer version that adopted local open and flat synoptic diagram.
Figure 11 and Figure 12 are the synoptic diagram of other embodiment of liquid crystal panel projection of the present invention.
Embodiment
Seeing also Fig. 4, is the partial cutaway schematic of liquid crystal panel first embodiment of the present invention.Liquid crystal panel 30 has a viewing area 38 and is positioned at the non-display area 39 of these 38 peripheries, viewing area.This liquid crystal panel 30 comprises one first substrate 31, one second substrate 32, a frame glue 35, a plurality of sept 36 and a liquid crystal layer 37.This second substrate 32 is oppositely arranged with this first substrate 31.This frame glue 35 is folded between this second substrate 32 and this first substrate 31, is arranged in this non-display area 39, and forms a liquid crystal cell (not indicating) with this second substrate 32 and first substrate 31.This a plurality of sept 36 is spaced apart in this liquid crystal cell, and this liquid crystal layer 37 is arranged in this liquid crystal cell.
Seeing also Fig. 5, is the floor map of first substrate 31 of liquid crystal panel shown in Figure 4.This first substrate 31 is a colored filter substrate.On this first substrate 31 to being provided with a frame glue adhering zone 310 by non-display area 39.This first substrate 31 is provided with a black matrix 313, and its clathrate in this viewing area 38 distributes, and covers whole non-display area 39 on this non-display area 39; This is formed with on first substrate 31 of deceiving matrix 313 and further is provided with a plurality of colored light-filtering units 312 and a plurality of projection 316, these a plurality of colored light-filtering units 312 are formed in this viewing area 38, by black matrix 313 intervals that this clathrate distributes, these a plurality of projections 316 are formed in the frame glue adhering zone 310 at interval.This projection 316 is pointed cone cylindrical projections, and its material is identical with these colored light-filtering units 312 materials, and forms in the lump with this colored light-filtering units 312.This projection 316 highly is 2～6um, and the rounded bottom diameter that contacts with black matrix 313 is 10～20um, and the pitch angle that these projection 316 sides and this rounded bottom form is 45～90 degree; On this first substrate 31, further be provided with a planarization layer 318 in viewing area 38, it is used for these a plurality of colored light-filtering units 312 of protection; Also be sequentially provided with a transparency conducting layer 314 and an alignment film 315 on these a plurality of projections 316 and this planarization layer 318.This transparency conducting layer 314 evenly is covered on this planarization layer 318 and these a plurality of projections 316, this alignment film 315 is formed on this transparency conducting layer 314, and this alignment film 315 only covers on this is provided with the zone of a plurality of projections 316 on the interval region between these a plurality of projections 316.
Seeing also Fig. 6, is the floor map of second substrate 32 of liquid crystal panel shown in Figure 4.This second substrate 32 is a thin film transistor base plate.On this second substrate 32 to being provided with a frame glue adhering zone 320 by non-display area 39.On this second substrate 32 to being provided with a plurality of thin film transistor (TFT)s 321 in the viewing area, the a plurality of leads that are electrically connected with these a plurality of thin film transistor (TFT)s 321 (figure does not show) extend to this second substrate, 32 adjacent two peripheries, be used for linking to each other with external drive chip (figure do not show), to be provided with a plurality of conductor part overlapping with this for this frame glue adhering zone 320; Further be provided with a planarization layer 322 and a plurality of projection 326 on this second substrate 32; this planarization layer 322 is formed in this viewing area 38; it is used for these a plurality of thin film transistor (TFT)s 321 of protection, and these a plurality of projections 326 are formed on the zone that is not provided with lead of this frame glue adhering zone 320 at interval.These a plurality of projections 326 are the pointed cone cylindrical projections that is provided with at interval, and its material is identical with these planarization layer 322 materials, and forms in the lump with this planarization layer 322.This projection 326 highly is 2～6um, and the rounded bottom diameter is 10～20um, and the pitch angle that these projection 326 sides and this rounded bottom form is 45～90 degree; Also be sequentially provided with a transparency conducting layer 324 and an alignment film 325 on these a plurality of projections 326 and this planarization layer 322, this transparency conducting layer 324 evenly covers on this planarization layer 322 and these a plurality of projections 326.This alignment film 325 is formed on this transparency conducting layer 324, and this alignment film 325 does not cover this frame glue adhering zone 320 that is provided with lead, is being provided with the interval region that only covers on this frame glue adhering zone 320 of a plurality of projections between these a plurality of projections 326.
This first substrate 31 and this second substrate 32 are passed through these frame glue 35 applying groups immediately, this frame glue 35 is attached in this frame glue adhering zone 310,320, and contact with these a plurality of projections 316,326, because this alignment film 315,325 only covers in the interval region between these a plurality of projections 316,326, do not cover this a plurality of projections 316,326, therefore this frame glue 35 is preferable with the adhesion of these a plurality of projections 316,326, and this frame glue 35 that promptly is arranged in this frame glue adhering zone 310,320 is preferable with the adhesion of this first substrate 31 and second substrate 32.
Compared to prior art, because this frame glue adhering zone 310 of this first substrate 31 of above-mentioned liquid crystal panel 30 is provided with a plurality of projections 316, in alignment film 315 coatings are made, when being coated on orientation liquid on whole first substrate 31, be applied to orientation liquid on 38 peripheral this a plurality of projections 316 of this viewing area and shift in the interval region between a plurality of projections 316, postorder only is coated with this alignment film 315 in the interval region between these a plurality of projections 316 after toasting.These frame glue adhering zone 320 subregions of this second substrate 32 are provided with lead, the zone that is not provided with lead is provided with a plurality of projections 326, in alignment film 325 coatings are made, with orientation liquid be coated on the viewing area 38 of second substrate 32 and this frame glue adhering zone 320 be provided with on a plurality of projections 326 time, be applied to orientation liquid on these a plurality of projections 326 and shift in the interval region between a plurality of projections 326, only be coated with this alignment film 325 in the interval region between these a plurality of projections 326 after finishing baking procedure.Therefore, paste this two substrate of combination 31,32 o'clock by frame glue 35, this frame glue 35 is also preferable with the adhesion that is not coated with alignment film 315,325 parts of these a plurality of projections 316,326.Thereby this alignment film 315,325 need not the adhesion that complex patternization does not influence first substrate 31 and second substrate 32 and frame glue 35 yet, thereby can effectively prevent alignment film 315,325 from needing the design complex patterns and the coating error that causes.
Wherein, the manufacturing step of this liquid crystal panel 30 is as follows:
Step 1: one first substrate 31 is provided earlier, by the leading portion manufacturing, on this first substrate 31, form in regular turn and should deceive matrix 313, colored light-filtering units 312, planarization layer 318 and this transparency conducting layer 314, and when forming this colored light-filtering units 312, on this frame glue adhering zone 310, also form a plurality of projections 316;
Step 2: form alignment film on this first substrate 31;
See also Fig. 7, the local open and flat synoptic diagram of the resin transfer version that is adopted when on this colored filter substrate, forming alignment film.This resin transfer version 4 comprises unit area 42, and this unit area 42 is the zone of rectangle tool alignment film transfer printing function, this first substrate 31 of this unit area 42 sizes and pre-coating big or small corresponding.
The unit area 42 of orientation liquid by this resin transfer version 4 is transferred on this transparency conducting layer 314 of first substrate 31 to form this alignment film 315, wherein be transferred to the orientation liquid on a plurality of projections 316 of this frame glue adhering zone 310, in sliding to interval region between these a plurality of projections 316 along these projection 316 more precipitous sidewalls, promptly only in the bottom of these a plurality of projections 316 and interval region, be coated with this alignment film 315, these projection 316 the first half all do not have alignment film 315 to cover, again this is formed with first substrate, 31 bakings of alignment film 315, forms the alignment film 315 of sclerosis;
Meanwhile, provide one second substrate 32, make, on this second substrate 32, form these a plurality of thin film transistor (TFT)s 321, this planarization layer 322 and this transparency conducting layer 324 in regular turn by the Array section.When forming this a plurality of thin film transistor (TFT) 321, form a plurality of leads, and when forming this planarization layer 322, on the zone that is not provided with lead of frame glue adhering zone 320, also form a plurality of projections 326 at adjacent two peripheries of this second substrate 32;
See also Fig. 8, the local open and flat synoptic diagram of the resin transfer version that is adopted when on this thin film transistor base plate, forming alignment film.This resin transfer version 5 comprises the unit area 52 of patterned process, this unit area 52 is rectangular, its adjacent two peripheries are provided with " L " shape pattern, should " L " shape pattern be white space 526, remainder is a tool transfer printing functional area 525, this second substrate 32 of this unit area 52 sizes and pre-coating big or small corresponding.
The unit area 52 of orientation liquid by this resin transfer version 5 is transferred on this transparency conducting layer 324 of this second substrate 32, to form this alignment film 325.Wherein be transferred to the orientation liquid on more than 320 projection 326 of this frame glue adhering zone, in sliding to interval region between these a plurality of projections 326 along these projection 326 more precipitous sidewalls, promptly only be coated with this alignment film 325 in the bottom of these a plurality of projections 326 and interval region, these projection 326 the first half all do not have alignment film 325 to cover.The white space 526 of this L-shaped pattern is transferred on the zone that is not provided with lead of this frame glue adhering zone 320, and promptly there is not the coating of orientation liquid in the zone that is provided with lead of this second substrate.Again this is formed with second substrate, 32 bakings of alignment film 325, forms the alignment film 325 of sclerosis;
Step 3: these frame glue adhering zone 320 interior these liquid crystal cells that form that a complete frame glue 35 are coated on this second substrate 32;
Step 4: liquid crystal is distributed in the liquid crystal cell that this frame glue 35 and this second substrate 32 formed with liquid crystal drip device (figure do not show);
Step 5:, this first substrate 31 and second substrate 32 that is coated with frame glue 35 are fitted, and 35 curing of frame glue are made this first substrate 31 and these second substrate, 32 strong bonded with this frame glue adhering zone 310 and these frame glue 35 contrapositions on this first substrate 31.
Compared to prior art, because in the manufacture method of above-mentioned liquid crystal panel 30, be provided with a plurality of projections 316 in the frame glue adhering zone 310 of this first substrate 31, in the manufacturing of its alignment film 315, orientation liquid is transferred on first substrate 31 when forming this alignment film 315, even this orientation liquid is transferred in this frame glue adhering zone 310, also because of being transferred to the orientation liquid on a plurality of projections 316 in this frame glue adhering zone 310, in sliding to interval region between these a plurality of projections 316 along the sidewall of this projection 316, the part of this projection 316 does not have alignment film 315 to cover, therefore this first substrate 31 is also preferable with the adhesion of frame glue 35 in this frame glue adhering zone 310, and the unit area 42 of resin transfer version 4 also need not patterned process, thereby can effectively prevent unit area 52 to have complex pattern and cause the coating error of alignment film 315.
Equally, because adjacent two peripheries at this second substrate 32 are provided with a plurality of leads, this frame glue adhering zone 320 with these a plurality of lead overlapping areas alignment film 325 is not set, in addition, the zone corresponding with adjacent in addition two peripheries that are not provided with lead of this second substrate 32 of this frame glue adhering zone 320 is provided with a plurality of projections 326.Therefore, this second substrate 32 is also preferable with the adhesion of frame glue 35 in this frame glue adhering zone 320, and the unit area 52 of resin transfer version 5 also only is provided with " L " shape pattern, thereby also can effectively prevent unit area 52 to have complex pattern and cause the coating error of alignment film 325.
Seeing also Fig. 9, is the partial cutaway schematic of liquid crystal panel second embodiment of the present invention.This liquid crystal panel 60 and the first embodiment difference are: this first substrate 61 is not provided with projection, and this alignment film 615 only covers in this viewing area.As shown in figure 10, during these first substrate, 61 coating alignment films 615, the unit area 72 of the not patterned process of the resin transfer version 7 tool alignment film transfer printing functions that adopted.
But it is described that liquid crystal panel of the present invention is not limited to above-mentioned embodiment.As shown in figure 11, the projection 826 of this second substrate 82 can be trapezoidal square column.Equally, the projection on first substrate also can be trapezoidal square column.Also as shown in figure 12, the projection 926 of this second substrate 92 can be circular cylinder.Equally, the projection on first substrate also can be circular cylinder.These a plurality of projections also can be arranged on this whole non-display area, wherein as long as part is corresponding with this frame glue adhering zone.
Claims (10)
1. liquid crystal panel, it has a viewing area, this liquid crystal panel comprises one first substrate, one second substrate, an one frame glue and a liquid crystal layer, this first substrate is provided with an alignment film, this second substrate and this first substrate are oppositely arranged, this second substrate is provided with an alignment film, this frame glue is arranged on this periphery, viewing area, this first substrate and second substrate are used to fit, and form a liquid crystal cell with this first substrate and second substrate, this liquid crystal layer is arranged in this liquid crystal cell, it is characterized in that: be arranged at intervals with a plurality of projections in this periphery, viewing area at least one substrate, the interior alignment film in zone that is provided with a plurality of projections covers the part of these a plurality of projections, and this frame glue covers at least one projection.
2. liquid crystal panel as claimed in claim 1 is characterized in that: these a plurality of projections are arranged on this first substrate and second substrate.
3. liquid crystal panel as claimed in claim 2, it is characterized in that: the viewing area outer peripheral areas of this second substrate is divided into a first area and a second area, this second area is provided with a plurality of leads, these a plurality of projections are arranged on the first area, and this alignment film covers in viewing area and this first area.
4. liquid crystal panel as claimed in claim 2 is characterized in that: the viewing area outer periphery of this second substrate is equipped with a frame glue adhering zone, overlaps in this frame glue adhering zone and this first area, and these a plurality of projections are arranged on this overlapping region.
5. liquid crystal panel as claimed in claim 2 is characterized in that: the viewing area outer periphery of this first substrate is equipped with a frame glue adhering zone, and these a plurality of projections are arranged in this frame glue adhering zone, and this frame glue covers these a plurality of projections.
6. liquid crystal panel as claimed in claim 1 is characterized in that: this rising height be 2～6um, this projection have one with a substrate bottom face in contact and a side that links to each other with this bottom surface, this side 45～90 degree that tilt compared to this bottom surface.
7. liquid crystal panel as claimed in claim 1 is characterized in that: this projection is pointed cone cylinder, trapezoidal square column or circular cylinder.
8. the manufacture method of a liquid crystal panel, it may further comprise the steps: one first substrate and one second substrate are provided; On at least one substrate of this first substrate and second substrate, a plurality of projections of the peripheral formation in viewing area; To this first substrate and second substrate, to form an alignment film, the interior alignment film in zone that is provided with a plurality of projections only covers the part of these a plurality of projections with orientation liquid seal; At the peripheral coating in this second substrate viewing area one frame glue, this frame glue and second substrate form a liquid crystal cell; In this liquid crystal cell, splash into liquid crystal to form a liquid crystal layer; With this first substrate and this second baseplate-laminating that is coated with frame glue, this frame glue covers at least one projection.
9. the manufacture method of liquid crystal panel as claimed in claim 8, it is characterized in that: on this first substrate, form a black matrix and an a plurality of colored light-filtering units in regular turn, these a plurality of projections are to form in the step of these a plurality of colored light-filtering units to form in the lump, and its material is identical with the material of this colored light-filtering units.
10. the manufacture method of liquid crystal panel as claimed in claim 9 is characterized in that: further form a planarization layer on this first substrate, these a plurality of projections are to form in the step of this planarization layer to form in the lump, and its material is identical with the material of this planarization layer.
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| CNB2006101573557A CN100498451C (en) | 2006-12-08 | 2006-12-08 | Liquid crystal panel and producing method |
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| CNB2006101573557A CN100498451C (en) | 2006-12-08 | 2006-12-08 | Liquid crystal panel and producing method |
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| CN101196635A true CN101196635A (en) | 2008-06-11 |
| CN100498451C CN100498451C (en) | 2009-06-10 |
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