CN1952748A - Manufacturing method of liquid crystal display panel - Google Patents
Manufacturing method of liquid crystal display panel Download PDFInfo
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- CN1952748A CN1952748A CN 200510112872 CN200510112872A CN1952748A CN 1952748 A CN1952748 A CN 1952748A CN 200510112872 CN200510112872 CN 200510112872 CN 200510112872 A CN200510112872 A CN 200510112872A CN 1952748 A CN1952748 A CN 1952748A
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Abstract
A method of manufacturing the liquid crystal display panel includes the steps as follows. Firstly, providing a first array baseboard that has a first display area and a first non-display area. Secondly, providing a second array baseboard that has a second display area and a second non-display area, and there is a pseudo-black matrix on the second array baseboard. Thirdly, a hermetic frame mucus is formed on the boundary of the first display area, and a pseudo-frame mucus is formed on the first non-display area, wherein the pseudo-black matrix is corresponding to the pseudo-frame mucus. Finally, establishing the first array baseboard and the second baseboard, and filling the liquid crystal layer into the space that contains the liquid crystal, wherein the space formed of the first array baseboard and the second baseboard. The method of the invention may keep the distance between the first array baseboard and the second baseboard using the pseudo-frame mucus and the pseudo-black matrix.
Description
Technical field
The invention relates to the manufacture method of a kind of display panels (liquid crystal display panel, LCD panel), and particularly relevant for the coating process of a kind of display panels center glue (sealant).
Background technology
Social now multimedia technology is quite flourishing, is indebted to the progress of semiconductor element or display device mostly.With regard to display, have that high image quality, space utilization efficient are good, the LCD of low consumpting power, advantageous characteristic such as radiationless becomes the main flow in market gradually.
The main processing procedure of LCD includes thin-film transistor array base-plate (TFT Array) processing procedure, colored optical filtering substrates (Color Filter) processing procedure, liquid crystal display (Liquid Crystal Cell) processing procedure and liquid crystal display module assembling processing procedure etc.Wherein, the liquid crystal display processing procedure is meant infrabasal plate (thin-film transistor array base-plate) and upper substrate (colored optical filtering substrates) is made up, and forms a liquid crystal layer between two substrates.
Fig. 1 is the partial cutaway schematic of known display panels, and Fig. 2 is the assembling synoptic diagram of known thin-film transistor array base-plate and colored optical filtering substrates.Please also refer to Fig. 1 and Fig. 2, known display panels 100 main systems are made of a thin-film transistor array base-plate 110, a colored optical filtering substrates 120 and the liquid crystal layer 130 between thin-film transistor array base-plate 110 and colored optical filtering substrates 120.Wherein, thin-film transistor array base-plate 110 has a viewing area 112 and a non-display area 114, and colored optical filtering substrates 120 is suitable for fitting together with thin-film transistor array base-plate 110.
By Fig. 1 and Fig. 2 as can be known, have red rete 122, green rete 124, blue rete 126, black matrix (black matrix, BM) 128 and common electrode 129 on the colored optical filtering substrates 120.Generally speaking, red rete 122, green rete 124 are pixel electrode (not illustrating) top that lays respectively on the thin-film transistor array base-plate 110 with blue rete 126, and black matrix 128 is to be positioned at thin film transistor (TFT) on the thin-film transistor array base-plate 110, to scan distribution and data distribution (not illustrating) top, to reach the purpose of shading.What merit attention is, black matrix 128 except be distributed in thin film transistor (TFT), scan distribution and data distribution top, it also can be distributed in the top of 112 peripheries, viewing area.
By Fig. 1 and Fig. 2 as can be known, known techniques can adopt frame glue A, the B of two kinds of unlike materials to organize upright thin-film transistor array base-plate 110 and colored optical filtering substrates 120 usually.Particularly, in upright thin-film transistor array base-plate 110 of group and colored optical filtering substrates 120 processes, known techniques can be coated with the frame glue A of a thinner thickness on the border of viewing area 112, and on non-display area 114, being coated with the thicker frame glue B of a thickness, the thickness difference of its center glue B and frame glue A is denoted as H.Therefore, known techniques can make the rough thickness that equals frame glue B of the thickness summation of frame glue A and black matrix 128, and then avoids colored optical filtering substrates 120 to be subjected to the influence of gravity in the upright process of group and the phenomenon of curved hang down (bending) takes place.
Hold above-mentioned, in the process of upright thin-film transistor array base-plate 110 of group and colored optical filtering substrates 120, known techniques must utilize different paste nozzle (sealant syringe rod) just can finish the coating of frame glue A and frame glue B, and this practice has caused the following degradation problem of production time (tacktime) elongation, production capacity (throughput) of display panels 100.
Summary of the invention
In view of this, purpose of the present invention is exactly that a kind of manufacture method of display panels is being provided, and it can shorten manufacturing time, uses the increase production capacity.
A further object of the present invention provides a kind of manufacture method of display panels, and it can make display panels have better quality.
In order to achieve the above object, the invention provides a kind of manufacture method of display panels, the method comprises the following steps: at first provide one first array base palte, and this first array base palte to have one first viewing area and one first non-display area.Then, provide one second array base palte, and this second array base palte has one second viewing area and one second non-display area, wherein have on second array base palte and intend black matrix.Then, form a sealing frame glue and a pseudo-frame mucus between first array base palte and second array base palte, wherein, sealing frame glue corresponds to the border of first viewing area, and pseudo-frame mucus corresponds to the black matrix of plan.At last, upright first array base palte of group and second array base palte, and a liquid crystal layer is formed in the liquid crystal spatial accommodation that first array base palte and second array base palte constituted.
In the manufacture method of the described display panels of preferred embodiment of the present invention, liquid crystal layer is inserted after the liquid crystal spatial accommodation, comprised more on first non-display area that pseudo-frame mucus is arranged on the subregion of excising first array base palte and second array base palte that second non-display area of intending black matrix is arranged.
In the manufacture method of the described display panels of preferred embodiment of the present invention, sealing frame glue and pseudo-frame mucus for example are same material.
In the manufacture method of the described display panels of preferred embodiment of the present invention, the group cube formula of first array base palte and second array base palte comprises: earlier with first array base palte and the second array base palte contraposition pressing.Then, solidify sealing frame glue and pseudo-frame mucus.
In the manufacture method of the described display panels of preferred embodiment of the present invention, the method for solidifying sealing frame glue and pseudo-frame mucus comprises heat curing or ultraviolet curing.
In the manufacture method of the described display panels of preferred embodiment of the present invention, make liquid crystal layer the method in the liquid crystal spatial accommodation that first array base palte and second array base palte constituted of being formed at for example comprise that the formula of dripping inserts method or vacuum impregnation.
In sum, the manufacture method of display panels of the present invention lies in and forms the black matrix of a plan on second array base palte, the position of its formation is corresponding to the position of pseudo-frame mucus on first array base palte, and the first frame glue and second frame glue system utilize the same material coating to form.Therefore, not only can shorten manufacturing time and promote production capacity, more can keep the spacing of first substrate and second substrate, promote product quality.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the partial cutaway schematic of known display panels.
Fig. 2 is the assembling synoptic diagram of known thin-film transistor array base-plate and colored optical filtering substrates.
Fig. 3 is the partial cutaway schematic of present embodiment display panels.
Fig. 4 is the thin-film transistor array base-plate of present embodiment and the assembling synoptic diagram of colored optical filtering substrates.
Fig. 5 is the manufacturing flow chart of display panels of the present invention.
Fig. 6 is the thin-film transistor array base-plate of present embodiment and another assembling mode synoptic diagram of colored optical filtering substrates.
100,200: display panels 110: thin-film transistor array base-plate
112: viewing area 114: non-display area
120: colored optical filtering substrates 122,226a: red rete
124,226b: green rete 126,226c: blue rete
128,228: black matrix 130: liquid crystal layer
212: the first viewing areas of 210: the first array base paltes
220: the second array base paltes of 214: the first non-display areas
224: the second non-display areas in 222: the second viewing areas
228: black matrix 228a: intend black matrix
230: liquid crystal layer A, B: frame glue
G: liquid crystal spatial accommodation H: thickness difference
S1: sealing frame glue S2: pseudo-frame mucus
S100: first step S200: second step
S300: third step S400: the 4th step
Embodiment
In order to improve the shortcoming of the frame glue (frame glue A, B) that known techniques must adopt two kinds of different-thickness and material, the present invention makes two array base paltes to assemble by the frame glue of same thickness and material by the making of intending black matrix (dummy black matrix).Below will be described in detail for embodiment.
Fig. 3 is the partial cutaway schematic of present embodiment display panels, and Fig. 4 is the thin-film transistor array base-plate of present embodiment and the assembling synoptic diagram of colored optical filtering substrates.Please also refer to Fig. 3 and Fig. 4, the display panels 200 main systems of present embodiment are made of one first array base palte 210, one second array base palte 220 and the liquid crystal layer 230 between first array base palte 210 and second array base palte 220.Wherein, first array base palte 210 for example is a thin-film transistor array base-plate, and it has one first viewing area 212 and one first non-display area 214.Certainly, first array base palte 210 can also be the active-matrix formula array base palte (active matrix array substrate) or the passive matrix type array base palte (passive matrix array substrate) of other kenels.
Illustrate as Fig. 3, second array base palte 220 for example is colored optical filtering substrates with common electrode, have the colored optical filtering substrates of a plurality of strip shaped electric poles, only have the subtend substrate of common electrode, or only has the subtend substrate of a plurality of strip shaped electric poles.With the colored optical filtering substrates with common electrode is example, and it is made of red rete 226a, green rete 226b, blue rete 226c, black matrix 228 and common electrode 229.In addition, second array base palte 220 of present embodiment has corresponding to one second viewing area 222 of first viewing area 212 and corresponding to one second non-display area 224 of first non-display area 214.
Fig. 5 is the manufacturing flow chart of display panels of the present invention.Please refer to Fig. 5 and Fig. 4, at first carry out first step S100, this first step S100 is for providing aforesaid first array base palte 210 with first viewing area 212 and first non-display area 214.Then, carry out the second step S200, this is formed with second array base palte 220 of intending black matrix (dummy black matrix) 228a in the second step S200 for providing, the material of the black matrix 228a of above-mentioned plan and the black matrix 228 on second array base palte 220 are same material, and this material of intending black matrix 228a for example is the composite of shading resin, shading metal or shading resin and shading metal.Generally speaking, the metal material that forms black matrix 228 for example is a chromium, and in order to obtain enough shaded effects, the thickness of black matrix 228 is that design is between 0.22 micron to 1.3 microns mostly.。
In addition, carry out third step S300, this third step S300 for example forms a sealing frame glue S1 in the coating of the border of first viewing area 212, to define the zone of desiring to insert liquid crystal layer 230, and on first non-display area 214, form a pseudo-frame mucus (dummy seal) S2, and pseudo-frame mucus S2 system is corresponding to the formation position of intending black matrix 228a.Above-mentioned sealing frame glue S1 and pseudo-frame mucus S2 adopt same material, and in the processing procedure of reality, sealing frame glue S1 and pseudo-frame mucus S2 system form with same paste nozzle (not illustrating) coating, and the coating thickness of sealing frame glue S1 and pseudo-frame mucus S2 is approximate.Thus, the manufacture method of display panels of the present invention can be saved the working time of switching different paste nozzles.
It should be noted that, the pseudo-frame mucus S2 of first non-display area 214 and between the black matrix 228a of plan of second non-display area 224 can effectively keep between first array base palte 210 and second array base palte 220 crack, produce curved vertical phenomenon to prevent second array base palte 220 to be subjected to the influence of gravity.
Then, carry out the 4th step S400, S400 is for to stand in the first above-mentioned array base palte 210 for 220 groups with second array base palte for this 4th step, and liquid crystal layer 230 is filled in the liquid crystal spatial accommodation G (as shown in Figure 3) that first array base palte 210 and second array base palte 220 constituted.In more detail, the present invention can be earlier with 220 groups of first array base palte 210 and second array base paltes upright after, just utilize vacuum impregnation that liquid crystal layer 230 is inserted among the liquid crystal spatial accommodation G.Certainly, the present invention also can utilize the formula of dripping to insert method earlier liquid crystal layer 230 is inserted among the liquid crystal spatial accommodation G, and just just 220 groups of first array base palte 210 and second array base paltes are upright afterwards.
Hold above-mentioned, the sealing frame glue S1 of present embodiment and pseudo-frame mucus S2 for example are heat curing colloid or ultraviolet curing colloid, in other words, sealing frame glue S1 and pseudo-frame mucus S2 for example is by heating or the mode of irradiation ultraviolet radiation is solidified sealing frame glue S1 and pseudo-frame mucus S2.
What merit attention is, because sealing frame glue S1 and pseudo-frame mucus S2 system adopt identical materials made, therefore, when solidifying sealing frame glue S1 and pseudo-frame mucus S2, as long as temperature or ultraviolet irradiation amount control are proper, the volatilization degree of solvent in the frame glue (solvent) can be roughly the same, can make first array base palte of organizing after standing 210 have consistent spacing with second array base palte 220.
In addition,, therefore can effectively reduce the cost of investment of paste nozzle aspect, and seal frame glue S1 and the control of pseudo-frame mucus S2 aspect thickness also is easier to because sealing frame glue S1 can adopt identical paste nozzle coating to form with pseudo-frame mucus S2.Therefore, the spacing between method of the present invention control group more exactly upright back first array base palte 210 and second array base palte 220.
After liquid crystal layer 230 is inserted liquid crystal spatial accommodation G, more comprise most first non-display area 214 of excision and most second non-display area 224, to produce the display panels 200 that meets the demand size.Particularly, in above-mentioned excision step, be positioned at the pseudo-frame mucus S2 on first non-display area 214 and the black matrix 228a of plan that is positioned on second non-display area 224 can be cut.
What want special declaration here is, above-mentioned sealing frame glue S1 and pseudo-frame mucus S2 system are formed on first array base palte 210 (thin-film transistor array base-plate), again first array base palte 210 is stood in for 220 groups with second array base palte, yet also be not intended to limit to sealing frame glue S1 of the present invention and pseudo-frame mucus S2 must be formed on first array base palte 210 at this.Certainly, sealing frame glue S1 and pseudo-frame mucus S2 also can be formed on second array base palte 220 (colored optical filtering substrates), then first array base palte 210 are stood in for 220 groups with second array base palte again.
Please refer to Fig. 6, it is the thin-film transistor array base-plate of present embodiment and another assembling mode synoptic diagram of colored optical filtering substrates.Meaning promptly, can form sealing frame glue S1 on second array base palte 220 (colored optical filtering substrates), and this sealing frame glue S1 corresponds to the border of first viewing area 212 of first array base palte 210, and pseudo-frame mucus S2 can be formed on the black matrix 228a of the plan of second array base palte 220.Then, again first array base palte 210 is stood in for 220 groups with second array base palte.
In sum, the manufacture method of display panels of the present invention has following advantage at least:
One, the present invention forms on second array base palte and intends black matrix, the spacing between effectively control group of this practice upright back first substrate and second substrate, and then the display quality of lifting display panels.
Two, the present invention forms on second array base palte and intends black matrix, and this practice makes sealing frame glue and pseudo-frame mucus can adopt identical paste nozzle to make, with the further shortening processing procedure time and promote production capacity.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is defined with claim and is as the criterion.
Claims (10)
1. the manufacture method of a display panels comprises:
One first array base palte is provided, and this first array base palte has one first viewing area and one first non-display area;
One second array base palte is provided, and this second array base palte has one second viewing area and one second non-display area, wherein has on this second array base palte to intend black matrix;
Form a sealing frame glue and a pseudo-frame mucus between this first array base palte and this second array base palte, wherein sealing frame glue corresponds to the border of this first viewing area, and this pseudo-frame mucus corresponds to the black matrix of this plan; And
Upright this first array base palte of group and this second array base palte, and a liquid crystal layer is formed in the liquid crystal spatial accommodation that this first array base palte and this second array base palte constituted.
2. the manufacture method of display panels according to claim 1 is wherein inserted this liquid crystal layer after this liquid crystal spatial accommodation, more comprises:
Excise this second non-display area that the black matrix of this plan is arranged on this first non-display area that this pseudo-frame mucus is arranged on the subregion of this first array base palte and this second array base palte.
3. the manufacture method of display panels according to claim 1, wherein this first array base palte is a thin-film transistor array base-plate, this second array base palte is a colored optical filtering substrates.
4. the manufacture method of display panels according to claim 1, wherein this first array base palte is a colored optical filtering substrates, this second array base palte is a thin-film transistor array base-plate.
5. the manufacture method of display panels according to claim 1, wherein sealing frame glue and this pseudo-frame mucus are same material.
6. the manufacture method of display panels according to claim 5, wherein sealing frame glue and this pseudo-frame mucus are heat curing colloid or ultraviolet curing colloid.
7. the manufacture method of display panels according to claim 1, wherein the group cube formula of this first array base palte and this second array base palte comprises:
With this first array base palte and this second array base palte contraposition pressing; And
Solidify sealing frame glue and this pseudo-frame mucus.
8. the manufacture method of display panels according to claim 7, wherein the method for this curing sealing frame glue and this pseudo-frame mucus comprises heat curing or ultraviolet curing.
9. the manufacture method of display panels according to claim 1, wherein the material of the black matrix of this plan comprises black resin or metal.
10. the manufacture method of display panels according to claim 1 wherein makes this liquid crystal layer method in this liquid crystal spatial accommodation that this first array base palte and this second array base palte constituted of being formed at comprise that the formula of dripping inserts method or vacuum impregnation.
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| CNB2005101128728A CN100454090C (en) | 2005-10-19 | 2005-10-19 | Manufacturing method of liquid crystal display panel |
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| CNB2005101128728A CN100454090C (en) | 2005-10-19 | 2005-10-19 | Manufacturing method of liquid crystal display panel |
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| CN100454090C CN100454090C (en) | 2009-01-21 |
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| CN101713882B (en) * | 2008-10-01 | 2013-07-17 | 株式会社日立显示器 | Liquid crystal display device |
| CN104166254A (en) * | 2014-08-20 | 2014-11-26 | 深圳市华星光电技术有限公司 | Method for measuring box thickness and pre-tilt angle of liquid crystal layers |
| CN104166254B (en) * | 2014-08-20 | 2016-11-30 | 深圳市华星光电技术有限公司 | Measure the thick method with tilt angle of liquid crystal layer box |
| CN108803152A (en) * | 2018-07-24 | 2018-11-13 | 武汉华星光电技术有限公司 | Liquid crystal display panel and preparation method thereof |
| CN108957872A (en) * | 2018-10-09 | 2018-12-07 | 张家港康得新光电材料有限公司 | Display device |
| CN108983504A (en) * | 2017-05-31 | 2018-12-11 | 京东方科技集团股份有限公司 | Liquid crystal display panel and its manufacturing method, liquid crystal display |
| WO2021051626A1 (en) * | 2019-09-16 | 2021-03-25 | Tcl华星光电技术有限公司 | Liquid crystal display panel and manufacturing method therefor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3615627B2 (en) * | 1996-08-01 | 2005-02-02 | セイコーエプソン株式会社 | Manufacturing method of liquid crystal panel |
| KR100813004B1 (en) * | 2001-08-21 | 2008-03-14 | 엘지.필립스 엘시디 주식회사 | Seal Pattern for Cell Cutting Process of Liquid Crystal Display Device |
| JP3651464B2 (en) * | 2002-09-30 | 2005-05-25 | セイコーエプソン株式会社 | Manufacturing method of liquid crystal panel |
| KR100710163B1 (en) * | 2002-11-28 | 2007-04-20 | 엘지.필립스 엘시디 주식회사 | method for manufacturing of LCD |
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2005
- 2005-10-19 CN CNB2005101128728A patent/CN100454090C/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713882B (en) * | 2008-10-01 | 2013-07-17 | 株式会社日立显示器 | Liquid crystal display device |
| CN104166254A (en) * | 2014-08-20 | 2014-11-26 | 深圳市华星光电技术有限公司 | Method for measuring box thickness and pre-tilt angle of liquid crystal layers |
| WO2016026187A1 (en) * | 2014-08-20 | 2016-02-25 | 深圳市华星光电技术有限公司 | Method for measuring box thickness and pre-tilt angle of liquid crystal layer |
| CN104166254B (en) * | 2014-08-20 | 2016-11-30 | 深圳市华星光电技术有限公司 | Measure the thick method with tilt angle of liquid crystal layer box |
| CN108983504A (en) * | 2017-05-31 | 2018-12-11 | 京东方科技集团股份有限公司 | Liquid crystal display panel and its manufacturing method, liquid crystal display |
| US11326101B2 (en) | 2017-05-31 | 2022-05-10 | Boe Technology Group Co., Ltd. | Liquid crystal panel and manufacture method thereof, liquid crystal display device |
| CN108803152A (en) * | 2018-07-24 | 2018-11-13 | 武汉华星光电技术有限公司 | Liquid crystal display panel and preparation method thereof |
| CN108957872A (en) * | 2018-10-09 | 2018-12-07 | 张家港康得新光电材料有限公司 | Display device |
| WO2021051626A1 (en) * | 2019-09-16 | 2021-03-25 | Tcl华星光电技术有限公司 | Liquid crystal display panel and manufacturing method therefor |
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| CN100454090C (en) | 2009-01-21 |
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