CN100582897C - LCD panel preparation method - Google Patents
LCD panel preparation method Download PDFInfo
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- CN100582897C CN100582897C CN200610064630A CN200610064630A CN100582897C CN 100582897 C CN100582897 C CN 100582897C CN 200610064630 A CN200610064630 A CN 200610064630A CN 200610064630 A CN200610064630 A CN 200610064630A CN 100582897 C CN100582897 C CN 100582897C
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- alignment film
- mother substrate
- lcd panel
- frame glue
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Abstract
The invention relates to a manufacturing method of a liquid crystal panel, which comprises the following steps: step S1: a first master base plate and a second master base plate are provided; step S2: a plurality of scanning lines and a plurality of data lines are insulatively formed on the second master base plate; step S3: an alignment film is coated to form a first base plate and a second base plate: step S4: aligning treatment is conducted on the alignment film; step S5: a frame adhesive is coated on the second base plate, and the frame adhesive and the second base plate form a liquid crystal box; step S6: liquid crystal is dropped into the liquid crystal box; step S7: the first base plate and the second base plate are adhered; step S8: the alignment film which is exposed at the outside of the second base plate is removed. The manufacturing method of the liquid crystal panel can prevent guide wires from damage.
Description
Technical field
The invention relates to a kind of LCD panel manufacturing method.
Background technology
All to use alignment film in LCD or the liquid crystal optics assembly 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.
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;
Seeing also Fig. 2, is the structural representation of a thin film transistor base plate 121 of liquid crystal panel 100 second mother substrates 120 shown in Figure 1.This thin film transistor base plate 121 comprises then zone 126 of a viewing area 122, zone, an edge 124 and the frame glue adhering zone 125 between this viewing area 122 and this fringe region 124 and a chip for driving.This viewing area 122 is generally square, and this frame glue adhering zone 125 is around this viewing area 122, and this chip for driving then zone 126 is L-shaped, and is connected with these frame glue adhering zone 125 adjacent two edges.Be provided with a plurality of thin film transistor (TFT)s (figure does not show) in this viewing area 122, this chip for driving is followed zone 126 and is provided with a plurality of leads (figure does not show) that are electrically connected with these a plurality of thin film transistor (TFT)s with its corresponding frame rubber adhering zone 125 and fringe region 124, and these a plurality of leads are used to be electrically connected extraneous chip for driving.
Step 3: coating alignment film 140 on this first mother substrate 110 and this second mother substrate 120;
On this second mother substrate 120, this alignment film 140 is coated on this viewing area 122 and this fringe region 124 of each thin film transistor base plate 121.This chip for driving of uncoated alignment film 140 then zone 126 and with its corresponding frame rubber adhering zone 125 on these a plurality of leads expose.
Step 4: alignment film 140 is made directional process;
Seeing also Fig. 3, is to utilize orienting device second mother substrate 120 to be made the partial schematic diagram of directional process.This orienting device (not indicating) comprises that a roller 10 and is used to support the base station 12 of this second mother substrate 120, and these roller 10 surfaces are covered with one deck hair wheel cloth 11.This roller 10 is around self axle center high speed rotating, this base station 12 drives second mother substrate 120 and advances to hair wheel cloth 11 directions, after the surface that is coated with alignment film 140 on this mao wheel cloth 11 and this second mother substrate 120 contacts, this hair wheel cloth 11 forms the groove that evenly distributes and be parallel to each other along frictional direction along same direction high-speed friction alignment film 140 on alignment film 140.Arrange according to special angle for the control liquid crystal molecule, the frictional direction that can change hair wheel cloth 11 is to form different tilt angles.Wherein, on this mao wheel cloth 11 and this second mother substrate 120, be coated with that time of easy generation scratch on this alignment film 140 that surperficial moment of alignment film 140 contact, if scratch is created in the display quality that viewing area 122 can the whole liquid crystal panel of images, so these fringe region 124 coating alignment films 140 are in case phenomenon here.
Step 5: coating frame glue 112 in the frame glue adhering zone 125 of a plurality of thin film transistor base plates 121 of this 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, these a plurality of lead exposed areas of zone that this chip for driving is followed zone 126 and 125 connections of frame glue adhering zone are bigger, in step 4, make directional process with hair wheel cloth 11, when making this mao wheel cloth 11 along same direction high-speed friction alignment film 140, hair wheel cloth 11 can be than the large tracts of land contact friction these a plurality of leads that expose, easily make a plurality of conductor cord disconnections that expose or bending etc. herein, thereby influence the yield of liquid crystal panel.
Summary of the invention
For solving the problem that above-mentioned LCD panel manufacturing method easily makes conductor cord disconnection or bending, be necessary to provide a kind of LCD panel manufacturing method that prevents that lead from being fractureed.
A kind of LCD panel manufacturing method, it may further comprise the steps: step S1: one first mother substrate and one second mother substrate are provided, and this first, second mother substrate comprises a viewing area, the frame glue adhering zone of zone, an edge and between this viewing area and this fringe region respectively; Step S2: insulation forms multi-strip scanning line and many data lines in the viewing area of this second mother substrate, and an end of this multi-strip scanning line and many data lines extends to the fringe region of this second mother substrate, and forms a plurality of first projections at the frame glue adhering zone of this second mother substrate; Step S3: an orientation liquid is printed to this first mother substrate and second mother substrate, to form an alignment film, this alignment film covers on this viewing area and this fringe region of this second mother substrate at least, and only covers the part of this first projection, to form first substrate and second substrate; Step S4: alignment film is made directional process; Step S5: coating one frame glue in this second substrate frame glue adhering zone, this frame glue and second substrate form a liquid crystal cell; Step S6: in this liquid crystal cell, splash into liquid crystal; Step S7: with this first substrate and this second baseplate-laminating that is coated with frame glue; Step S8: remove the alignment film that this second substrate exposes, an end of this multi-strip scanning line and many data lines is exposed.
Compared to prior art, because in the above-mentioned LCD panel manufacturing method, in step S3, covering is formed with alignment film on this viewing area of this second mother substrate and this fringe region at least; In step S4, alignment film is made directional process again; Fit at last and remove the alignment film of the second substrate extension behind this two substrate, and then the end of multi-strip scanning line and many data lines is exposed, be used to connect chip for driving; That is, in step S3 only this frame glue adhering zone uncoated have on alignment film or whole second substrate surface all be coated with alignment film.Thereby this multi-strip scanning line and many data lines are only outer to be exposed at this narrower frame glue adhering zone or all to be covered by alignment film.Thereby, in step S4, when alignment film was made directional process, the hair wheel cloth of orienting device was difficult for contacting and produce friction with this multi-strip scanning line and many data lines, therefore can prevent effectively that this multi-strip scanning line and many data lines are damaged when alignment film is made directional process.In addition,, can make alignment film cover the whole surface of second substrate, can prevent better that so not only sweep trace and data line are damaged, and can simplify the processing procedure of coating alignment film by forming projection at frame glue adhering zone.
Description of drawings
Fig. 1 is a kind of decomposing schematic representation of liquid crystal panel of prior art.
Fig. 2 is the structural representation of a thin film transistor base plate of liquid crystal panel second mother substrate shown in Figure 1.
Fig. 3 utilizes orienting device second mother substrate to be made the partial schematic diagram of directional process.
Fig. 4 is the structural representation that the present invention waits to make liquid crystal panel.
Fig. 5 is the process flow diagram of LCD panel manufacturing method one better embodiment of the present invention.
Fig. 6 is the floor map that forms chromatic filter layer on this first mother substrate.
Fig. 7 is the floor map that forms electrode layer on this second mother substrate.
Fig. 8 and Fig. 9 are respectively the floor map of first and second substrate.
Figure 10 is with the synoptic diagram behind this two baseplate-laminating shown in Fig. 8 and 9.
Figure 11 is with the synoptic diagram after the alignment film of the second substrate extension is removed as shown in figure 10.
Figure 12 and Figure 13 are the synoptic diagram that forms projection respectively on this first and second mother substrate.
Figure 14 and Figure 15 are as forming the synoptic diagram of alignment film on Figure 12 and first and second mother substrate shown in Figure 13 respectively.
Embodiment
Seeing also Fig. 4, is the structural representation of the present invention's liquid crystal panel to be made.This liquid crystal panel 20 comprises one first substrate 210, one second substrate 220, a liquid crystal 250, a frame glue 260 and a chip for driving 290.This second substrate 220 is oppositely arranged with this first substrate 210, and this second substrate 220 extends outward a part compared to this first substrate 210.This frame glue 260 is folded between this second substrate 220 and this first substrate 210, and forms a liquid crystal cell (not indicating) with this second substrate 220 and first substrate 210.This liquid crystal 250 is arranged in the liquid crystal cell.This chip for driving 290 is arranged on second substrate 220 on the zone that first substrate 210 extends outward.
Seeing also Fig. 5, is the process flow diagram of a better embodiment of LCD panel manufacturing method of the present invention.These LCD panel manufacturing method concrete steps are as follows:
Step S1: one first mother substrate and one second mother substrate are provided earlier;
Step S2: form chromatic filter layer and electrode layer respectively;
See also Fig. 6, on this first mother substrate 21, form the floor map of chromatic filter layer.This first mother substrate 21 can be divided into a viewing area 212, zone, an edge 214 and the frame glue adhering zone 215 between this viewing area 212 and fringe region 214 by its function, this viewing area 212 is generally square, and this frame glue adhering zone 215 is around this viewing area 212.On this first mother substrate 21, form a black matrix 213 and an a plurality of colored light-filtering units 211 in regular turn by the leading portion manufacturing, to form chromatic filter layer.Further form other thin layer (figure does not show) in the leading portion manufacturing.
See also Fig. 7, on this second mother substrate 22, form the floor map of electrode layer.Corresponding with this first mother substrate 21 this second mother substrate 22 also can be divided into a viewing area 222, zone, an edge 224 and the frame glue adhering zone 225 between this viewing area 222 and fringe region 224.On this second mother substrate 22, form multi-strip scanning line 221, a plurality of data line 223, a plurality of thin film transistor (TFT) 226 and a plurality of pixel electrode 227 by the manufacturing of leading portion section, this multi-strip scanning line 221 and 223 insulation of this many data lines are intersected to define a minimum unit (not indicating), thin film transistor (TFT) 226 is positioned at this sweep trace 221 and these data line 223 infalls, and this pixel electrode 227 is positioned at this minimum unit and is electrically connected with the drain of this thin film transistor (TFT) 226.Wherein, an end of this multi-strip scanning line 221 and many data lines 223 extends in this fringe region 224, as being connected with the external world.Further form other thin layer (figure does not show) in the manufacturing of leading portion section.
Step S3: be coated with alignment film respectively, to form first substrate and second substrate;
Seeing also Fig. 8 and Fig. 9, is respectively these two substrates, 210,220 floor map.The resin transfer version (figure do not show) of orientation liquid by patterned process is transferred on this viewing area 212,222 and fringe region 214,224 of this mother substrate 21,22, this frame glue adhering zone 215,225 is uncoated alignment film 240, thereby forms first substrate 210 and second substrate 220 respectively.That is, on this second substrate 220, this multi-strip scanning line 221 and many data lines 223 corresponding with this frame glue adhering zone 225 expose, and other parts are all covered by alignment film 240.
Step S4: alignment film is made directional process;
Utilize orienting device that substrate 210 is made directional process, substrate 210,220 is placed on the base station of orienting device, after the surface that is coated with alignment film 240 on the hair wheel cloth of this orienting device and this mother substrate 210,220 contacts, this hair wheel cloth forms the groove that evenly distributes and be parallel to each other along frictional direction along same direction high-speed friction alignment film 240 on alignment film 240.
Step S5: coating frame glue;
One complete frame glue 260 is coated these frame glue adhering zone 225 interior these liquid crystal cells that form of this second substrate 220.
Step S6: dispenser method;
With liquid crystal drip device (figure do not show) liquid crystal 250 is distributed in the liquid crystal cell that this frame glue 260 and this second substrate 220 formed.
Step S7: make up two substrates;
Seeing also Figure 10, is with the synoptic diagram after this two substrate 210,220 is fitted shown in Fig. 8 and 9.With this frame glue adhering zone 214 and these frame glue 260 contrapositions that are formed on this second substrate 220 on this first substrate 210, this first substrate 210 and this second substrate 220 are fitted, and frame glue 260 solidified make this first substrate 210 and these second substrate, 220 strong bonded, wherein, adjacent two fringe regions 224 of this second substrate 220 extend outward compared to this first substrate 210.
Step S8: the alignment film of removing the second substrate extension;
Seeing also Figure 11, is with the synoptic diagram after the alignment film 240 of these second substrate, 220 extensions is removed as shown in figure 10.By the wet etching mode this second substrate 220 is carried out etching compared to the alignment film 240 on these first substrate, 210 extended fringe regions 224, so that this sweep trace 221 on this fringe region 224 exposes with this data line 223.
Step S9: attach chip for driving;
By COG (Chip On Glass, glass flip chip) packaged type is bonded in chip for driving 290 on second substrate 220, with the hot pressing technology with chip for driving 290 lead-in wires respectively with this second substrate 220 on this sweep trace 221 and this data line 223 one by one contraposition be connected.
Compared with prior art, because in the above-mentioned LCD panel manufacturing method, in step S3, on this viewing area 222 of this second mother substrate 22 and this fringe region 224, cover and form alignment film 240; In step S4, alignment film 240 is made directional process again; Fit at last and just remove the alignment film 240 of second substrate, 220 extensions behind this two substrate 210,220, and then the end of multi-strip scanning line 221 and a plurality of data line 223 is exposed, be used to connect chip for driving.That is, only reserve in step S3 that this frame glue adhering zone 225 is uncoated alignment film 240, and this frame glue adhering zone 225 is narrower.Thereby this multi-strip scanning line 221 and a plurality of data line 223 major parts are covered by alignment film 240, and the area that exposes on this frame glue adhering zone 225 is also less.Therefore, in step S4, when alignment film 240 was made directional process, the hair wheel cloth of orienting device was difficult for contacting and produce friction with this multi-strip scanning line 221 and many data lines 223, therefore can prevent effectively that this multi-strip scanning line 221 and many data lines 223 are damaged.
The following describes second embodiment of LCD panel manufacturing method of the present invention.Itself and the first embodiment difference are: see also Figure 12 and Figure 13, in step S2,, in this frame glue adhering zone 315,325, form a plurality of projections 318,328 respectively respectively in formation chromatic filter layer and the electrode layer in the viewing area 312,322 of this first, second mother substrate 31,32.
Wherein, this projection the 318, the 328th, pointed cone cylindrical projections.The height of this projection 318,328 is 2～6um, and the rounded bottom diameter is 10～20um, and the pitch angle that these projection 318,328 sides and this rounded bottom form is 45～90 degree.This projection 318 on this first substrate 310 is identical with the material of this colored light-filtering units 311, and forms in the lump with this colored light-filtering units 311.Insulation course between this projection 328 on this second substrate 320 and this electrode layer (figure does not show) material is identical, and forms simultaneously.
See also Figure 14 and Figure 15 again, in step S3, be coated with alignment film 340 respectively, when forming first substrate 310 and second substrate 320, with orientation liquid by the resin transfer version of patterned process not (figure does not show) transfer printing, so that this alignment film 340 covers the whole surface of this first substrate 310 and second substrate 320.Wherein, unhardened orientation liquid partly slides to the interval region between these a plurality of projections 318,328 in this frame glue adhering zone 315,325, and only its part of these a plurality of projections 318,328 is coated with alignment film 340 behind the postorder sclerosis alignment film 340.
Can better prevent not only that compared to this second embodiment of first embodiment this multi-strip scanning line 221 and many data lines 223 are damaged, and can in the manufacturing of coating alignment film 340, can simplify the manufacturing of resin transfer version patterned process.
But it is described that liquid crystal panel of the present invention is not limited to above-mentioned embodiment.When removing the alignment film of the second substrate extension among the step S8, also can adopt the dry ecthing mode that alignment film is carried out etching.
This projection also can be trapezoidal square column, can also be circular cylinder.Equally, the projection on first substrate also can be a circular cylinder.
Claims (10)
1. LCD panel manufacturing method, it may further comprise the steps:
Step S1: one first mother substrate and one second mother substrate are provided, and this first, second mother substrate comprises a viewing area, the frame glue adhering zone of zone, an edge and between this viewing area and this fringe region respectively;
Step S2: insulation forms multi-strip scanning line and many data lines in the viewing area of this second mother substrate, and an end of this multi-strip scanning line and many data lines extends to the fringe region of this second mother substrate, and forms a plurality of first projections at the frame glue adhering zone of this second mother substrate;
Step S3: an orientation liquid is printed to this first mother substrate and second mother substrate, to form an alignment film, this alignment film covers on this viewing area and this fringe region of this second mother substrate at least, and only covers the part of this first projection, to form first substrate and second substrate;
Step S4: alignment film is made directional process;
Step S5: coating one frame glue in this second substrate frame glue adhering zone, this frame glue and second substrate form a liquid crystal cell;
Step S6: in this liquid crystal cell, splash into liquid crystal;
Step S7: with this first substrate and this second baseplate-laminating that is coated with frame glue;
Step S8: remove the alignment film that this second substrate exposes, an end of this multi-strip scanning line and many data lines is exposed.
2. LCD panel manufacturing method as claimed in claim 1 is characterized in that: among this step S2, form a black matrix and an a plurality of colored light-filtering units in regular turn on this first mother substrate.
3. LCD panel manufacturing method as claimed in claim 2 is characterized in that: among this step S2, further form a plurality of second projections respectively in the frame glue adhering zone of this first mother substrate.
4. LCD panel manufacturing method as claimed in claim 3 is characterized in that: this second projection on this first mother substrate is identical with this colored light-filtering units material, and forms simultaneously.
5. LCD panel manufacturing method as claimed in claim 3 is characterized in that: this first projection is pointed cone cylinder, trapezoidal square column or circular cylinder, and this second projection is pointed cone cylinder, trapezoidal square column or circular cylinder.
6. LCD panel manufacturing method as claimed in claim 3 is characterized in that: the alignment film that forms among this step S3 covers the whole surface of this first mother substrate and second mother substrate.
7. LCD panel manufacturing method as claimed in claim 6 is characterized in that: only cover interval region between these a plurality of first projections and the interval region between this a plurality of second projections at this alignment film of frame glue adhering zone.
8. LCD panel manufacturing method as claimed in claim 1 is characterized in that: among this step S8, etch away the alignment film that this second substrate exposes in the wet etching mode.
9. LCD panel manufacturing method as claimed in claim 1 is characterized in that: among this step S8, etch away the alignment film that this second substrate exposes in the dry ecthing mode.
10. LCD panel manufacturing method as claimed in claim 1 is characterized in that: further comprise a step S9: attach chip for driving, multi-strip scanning line and many data lines that itself and this are exposed are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610064630A CN100582897C (en) | 2006-12-29 | 2006-12-29 | LCD panel preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610064630A CN100582897C (en) | 2006-12-29 | 2006-12-29 | LCD panel preparation method |
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| CN101211068A CN101211068A (en) | 2008-07-02 |
| CN100582897C true CN100582897C (en) | 2010-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200610064630A Expired - Fee Related CN100582897C (en) | 2006-12-29 | 2006-12-29 | LCD panel preparation method |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923256B (en) * | 2010-07-30 | 2012-01-18 | 南京中电熊猫液晶显示科技有限公司 | Method for manufacturing liquid crystal display |
| JP5974415B2 (en) | 2011-10-05 | 2016-08-23 | 株式会社ジャパンディスプレイ | Liquid crystal display |
| CN102636912B (en) * | 2012-05-14 | 2016-04-06 | 深圳市华星光电技术有限公司 | Liquid crystal indicator and preparation method thereof |
| US8970814B2 (en) | 2012-05-14 | 2015-03-03 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display device and manufacturing method thereof |
| CN102759830B (en) * | 2012-07-10 | 2016-03-16 | 深圳市华星光电技术有限公司 | Array base palte |
| KR102074422B1 (en) * | 2013-10-10 | 2020-02-07 | 삼성디스플레이 주식회사 | Liquid crystal display and manufacturing method thereof |
| CN103499901A (en) * | 2013-10-16 | 2014-01-08 | 京东方科技集团股份有限公司 | Display panel manufacturing method, display panel and display device |
| CN103676330B (en) * | 2013-12-23 | 2017-02-01 | 合肥京东方光电科技有限公司 | Array substrate and display device |
| CN104166273A (en) | 2014-06-26 | 2014-11-26 | 京东方科技集团股份有限公司 | Display substrate, display substrate mother board and display device |
| CN104280940B (en) * | 2014-09-26 | 2017-02-08 | 京东方科技集团股份有限公司 | Masking plate and orientation film friction method |
| CN104280958B (en) * | 2014-09-26 | 2017-03-08 | 京东方科技集团股份有限公司 | A kind of array base palte and preparation method thereof, display device |
| CN105425477A (en) * | 2016-01-06 | 2016-03-23 | 京东方科技集团股份有限公司 | Manufacturing method of display panel, display panel and display device |
| CN106292005A (en) * | 2016-08-31 | 2017-01-04 | 深圳市华星光电技术有限公司 | A kind of manufacture method of liquid crystal cell |
| CN107577089A (en) * | 2017-09-18 | 2018-01-12 | 惠科股份有限公司 | The processing procedure and processing apparatus of a kind of display panel |
| CN109013180A (en) * | 2018-08-17 | 2018-12-18 | 武汉华星光电技术有限公司 | A kind of alignment film coating method and coating machine |
| CN109407427B (en) * | 2018-11-05 | 2021-01-08 | 惠科股份有限公司 | Display panel and display device |
| CN115308950A (en) * | 2022-07-28 | 2022-11-08 | 滁州惠科光电科技有限公司 | Display panel and display device |
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