CN101135847A - Process for manufacturing Colorful filtering substrates - Google Patents
Process for manufacturing Colorful filtering substrates Download PDFInfo
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- CN101135847A CN101135847A CNA2007101643111A CN200710164311A CN101135847A CN 101135847 A CN101135847 A CN 101135847A CN A2007101643111 A CNA2007101643111 A CN A2007101643111A CN 200710164311 A CN200710164311 A CN 200710164311A CN 101135847 A CN101135847 A CN 101135847A
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- color filter
- substrate
- filtering substrates
- filter patterns
- pixel region
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Abstract
The invention comprises: a baseboard with a rugged surface; a black matrix located at the baseboard in order to define multi sub pixel region; and multi color filtering pattern respectively located in said sub pixel regions and contacting the rugged surface; wherein, the surface of the bedding is 10N/m larger than the total size of all color filtering patter surfaces. The invention can increase the adhesive quality between the color filter pattern and the portion of the baseboard in the sub pixel regions.
Description
The application is an original application application number 200410098586.6, and on Dec 14 2004 applying date, denomination of invention is divided an application for " colored optical filtering substrates and manufacture method thereof ".
Technical field
The present invention relates to a kind of manufacture method of colored optical filtering substrates, and particularly relevant for a kind of manufacture method that increases the colored optical filtering substrates of color filter patterns on the colored optical filtering substrates and the tack between the substrate surface in time pixel region.
Background technology
In the more and more flourishing epoch of this plane display technique now, the plane shows the frivolous characteristic that does not take up space of product, adds advantages such as low radiation and power consumption are lower, under the situation that price descends gradually, more and more is well received by consumers.
Liquid crystal display product all includes a colored optical filtering substrates on the market at present, to be used for producing chromatic image.The processing procedure of general colored optical filtering substrates, be included in and make black matrix on the substrate to form time pixel region, then color filter patterns is formed in time pixel region, form a flatness layer, afterwards more in regular turn and share electrode (common electrode), form an alignment film (alignmentlayer) at last again.
Based on above-mentioned, the color filter patterns on the known colored optical filtering substrates is on the substrate that directly is coated in time pixel region.Classic method is not done any processing operation to increase the tack between the substrate in color filter patterns and time pixel region, so the tack between the substrate in color filter patterns and time pixel region is not too enough, and the problem of may the chromatic colour filter pattern peeling off or having crack defect to produce.
Summary of the invention
Therefore, purpose of the present invention just provides a kind of manufacture method of colored optical filtering substrates, comprising: a substrate, and this substrate has a uneven surface; One black matrix is disposed on this substrate, to define pixel region a plurality of times; And a plurality of color filter patterns, be disposed at respectively in these times pixel region, and contact with this uneven surface, wherein the surface energy of this bed course is that surface energy greater than each these color filter patterns has more than the 10N/m.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Figure 1A to Fig. 1 C illustrates the process flow diagram into the manufacture method of a kind of colored optical filtering substrates of the present invention.
Fig. 2 A to Fig. 2 D illustrates the process flow diagram into the manufacture method of another kind of colored optical filtering substrates of the present invention.
Fig. 3 A to Fig. 3 C illustrates the process flow diagram into the manufacture method of another colored optical filtering substrates of the present invention.
Fig. 4 A to Fig. 4 D illustrates the process flow diagram into the manufacture method of another colored optical filtering substrates of the present invention.
Fig. 5 A illustrates the sectional view into colored optical filtering substrates of the present invention.
Fig. 5 B illustrates the partial enlarged drawing into Fig. 5 A label 200 places.
Fig. 6 A and Fig. 6 B illustrate the partial enlarged drawing into uneven surface of the present invention.
Symbol description
110: substrate 112: uneven surface
113: rough surface 114: bed course
116: circular hole 118: marginal position
120: black matrix 130: inferior pixel region
140: color filter patterns 150: light
Embodiment
First embodiment
Please refer to Figure 1A to Fig. 1 C, it illustrates the process flow diagram into the manufacture method of a kind of colored optical filtering substrates of a preferred embodiment of the present invention.This manufacture method comprises the following steps: at first, shown in Figure 1A, a substrate 110 is provided and a roughened step is carried out on the surface of substrate 110, so that substrate 110 has a rough surface 112.In a preferred embodiment, above-mentioned roughened step for example is laser treatment step or etch processes step.
Then, shown in Figure 1B, on substrate 110, form a black matrix 120, on rough surface 112, define a plurality of times pixel region 130 whereby.In a preferred embodiment, the material of above-mentioned black matrix 120 for example is resin or metal.Wherein, if the material of black matrix 120 is a resin, its method for making is mainly prior to coating one deck resin on the substrate, then this resin bed exposed and step of developing can form again.In addition, if the material of black matrix 120 is a metal, its method for making mainly prior to forming the layer of metal layer on the substrate, forms the patterning photoresist layer afterwards on metal level, and carries out etching step with this patterning photoresist layer as etch mask and can form.
At last, shown in Fig. 1 C, in each time pixel region 130, form color filter patterns 140, make color filter patterns 140 contact with the rough surface 112 of substrate 110.Wherein, the generation type of color filter patterns 140 for example is to form with ink-jet or little shadow mode.And the color filter patterns 140 that is formed in each time pixel region 130 for example is red filter pattern, green filter pattern or blue filter pattern.
In the manufacture method of colored optical filtering substrates from the above, the roughened step is for example carried out with laser or etched mode.Yet the roughened step also can utilize the mode of punching to carry out.Please refer to Fig. 2 A to Fig. 2 D, it illustrates the process flow diagram into the manufacture method of the colored optical filtering substrates of another preferred embodiment of the present invention.At first, shown in Fig. 2 A, form a bed course 11 4 earlier on substrate 110.Wherein, bed course 114 is a transparent flexible coating material, for example be vinyl acetate, polychloroethylene with high polymerization degree, acryl resin with and make up one of them.
Afterwards, shown in Fig. 2 B, bed course 114 is carried out a roughened step make bed course 114 have a rough surface 113.In a preferred embodiment, above-mentioned roughened step for example is to utilize the punching board that bed course 114 is punched, so that bed course 114 has a rough surface 113.The employed striker of above-mentioned punch out step for example is a fine needle, and its diameter is for example between 10 to 15 microns, and the speed of striker bump bed course 114 for example is adjusted into higher speed.The circular hole of so getting light when transmission backlight can not produce refraction.
Then, shown in Fig. 2 C, on bed course 114, form a black matrix 120, on rough surface 113, define a plurality of times pixel region 130 whereby.At last, shown in Fig. 2 D, color filter patterns 140 is formed in each time pixel region 130.The formation method of above-mentioned black matrix 120 and the generation type of color filter patterns 140 and the aforesaid practice are similar, will repeat no more at this.
What deserves to be mentioned is, the surface energy of above-mentioned bed course 114 (N/m) is the surface energy (N/m) greater than color filter patterns 140, it for example is that the surface energy of bed course 114 has more than 10 (N/m) greater than the surface energy of color filter patterns 140, and it is better so can to make color filter patterns 140 be attached to the effect of bed course 114.
Second embodiment
Please refer to Fig. 3 A to Fig. 3 C, it illustrates the process flow diagram into the manufacture method of a kind of colored optical filtering substrates of a preferred embodiment of the present invention.The present invention proposes the manufacture method of another kind of colored optical filtering substrates, and this manufacture method comprises the following steps: at first, as shown in Figure 3A, forms a black matrix 120 on the substrate 110 of colored optical filtering substrates, to define pixel region 130 a plurality of times on substrate 110.The method that above-mentioned black matrix 120 forms is similar to the aforesaid practice, will repeat no more at this.
Then, shown in Fig. 3 B, the substrate 110 in the inferior pixel region 130 is carried out a roughened step, make the substrate in time pixel region 130 have a rough surface 112.In a preferred embodiment, above-mentioned roughened step for example is laser treatment step or etch processes step.
At last, shown in Fig. 3 C, in inferior pixel region 130, form color filter patterns 140.Wherein, the generation type of color filter patterns 140 for example is to form with ink-jet or little shadow mode.
In the manufacture method of colored optical filtering substrates from the above, the roughened step is for example carried out with laser or etched mode.Same, the roughened step for example also can be to utilize the mode of punching to carry out.Please refer to Fig. 4 A to Fig. 4 D, it illustrates the process flow diagram into the manufacture method of the colored optical filtering substrates of another preferred embodiment of the present invention.At first, shown in Fig. 4 A, on the substrate 110 of colored optical filtering substrates, form a black matrix 120, on substrate 110, to define pixel region 130 a plurality of times.The method for making and the aforesaid practice of above-mentioned black matrix 120 are similar, will repeat no more at this.
Secondly, shown in Fig. 4 B, on substrate 110, form a bed course 114.Wherein, bed course 114 is a transparent flexible coating material, for example be vinyl acetate, polychloroethylene with high polymerization degree, acryl resin with and make up one of them.
Then, shown in Fig. 4 C, bed course 114 is carried out the roughened step, so that bed course 114 has a rough surface 113.In a preferred embodiment, above-mentioned roughened step for example is to utilize the punching board that bed course 114 is punched, and the mode of punching will repeat no more at this to aforementioned similar.
At last, shown in Fig. 4 D, color filter patterns 140 is formed in time pixel region 130.Wherein, the mode that forms of color filter patterns for example is that mode with ink-jet or little shadow forms.What deserves to be mentioned is, the surface energy of above-mentioned bed course 114 (N/m) is the surface energy (N/m) greater than color filter patterns 140, it for example is that the surface energy of bed course 114 has more than 10 (N/m) greater than the surface energy of color filter patterns 140, and it is better so can to make color filter patterns 140 be attached to the effect of bed course 114.
Utilize above-mentioned two described methods of embodiment, all can make the colored optical filtering substrates of the tack between the substrate surface in the color filter patterns that can increase on the colored optical filtering substrates and time pixel region.Particularly, if form rough surface in the mode of punching, then colored optical filtering substrates and partial enlarged drawing thereof are shown in Fig. 5 A and Fig. 5 B.Wherein, Fig. 5 A illustrates the sectional view into a kind of colored optical filtering substrates of a preferred embodiment of the present invention, and Fig. 5 B illustrates the partial enlarged drawing into Fig. 5 A label 200 places.The structure of this colored optical filtering substrates mainly comprises a substrate 110, one black matrix 120 and a plurality of color filter patterns 140.Wherein, comprise also on the substrate 110 that the surface that disposes a bed course 114 and bed course 114 has a uneven surface 113, so that substrate 110 surfaces present coarse.And black matrix 120 is disposed on the substrate 110, in order to define pixel region 130 a plurality of times.Color filter patterns 140 is to be disposed in time pixel region 130 in addition, and contacts with uneven surface 113.And, thereby color filter patterns 140 firmly being adsorbed, so the absorption affinity between color filter patterns 140 and the substrate 110 thereby can promote because each hole 116 in the bed course 114 can produce capillary forces to color filter patterns 140.More detailed explanation is, because capillary force can be pulled down to partial depth with color filter patterns 140, therefore the surface in contact that has increased between the uneven surface 113 in color filter patterns 140 and time pixel region 130 is long-pending, so promoted the tack between color filter patterns 140 and the substrate 110.
In the mentioned punch out step of the first above-mentioned embodiment and second embodiment, the thickness of striker and the speed of bump will influence the circular hole shape that the punching board is got.Please also refer to Fig. 6 A and Fig. 6 B, it illustrates the partial enlarged drawing into uneven surface of the present invention.As shown in Figure 6A, if striker is enough thin and stroke speed is enough fast, the shape of its marginal position 118 of the hole of then getting can the convergence right angle among the first above-mentioned embodiment and second embodiment.Light 150 can not produce the anaclasis of different directions when transmission backlight.Otherwise shown in Fig. 6 B, if use bodkin or stroke speed are fast inadequately, then formation is circular-arc easily for marginal position 118, and when transmission backlight, light 150 can produce the anaclasis of different directions.So, in the punch out step of the first above-mentioned embodiment and second embodiment,, therefore utilize fine needle and punch to obtain preferable edge effect with high stroke speed because of not wishing to produce anaclasis when the transmission backlight.Yet, in some cases, wish to get the effect of cloudy surface, produce anaclasis in the time of can utilizing transmission backlight.That is to say, when drilling operation, can select thicker pin or lower stroke speed to punch.
In sum, colored optical filtering substrates of the present invention and manufacture method thereof are to utilize a uneven surface to increase contact area between color filter patterns and the substrate, thereby reach the purpose that increases tack between color filter patterns and the substrate.
Though the present invention with preferred embodiment openly as above; right its is not in order to limiting the present invention, anyly has the knack of this operator, without departing from the spirit and scope of the present invention; when can doing a little also moving and retouching, so protection scope of the present invention is when according to being as the criterion of being defined in the claim.
Claims (1)
1. the manufacture method of a colored optical filtering substrates is characterized in that: comprising:
One substrate, this substrate has a uneven surface;
One black matrix is disposed on this substrate, to define pixel region a plurality of times; And
A plurality of color filter patterns are disposed at respectively in these times pixel region, and contact with this uneven surface, and wherein the surface energy of this bed course is that surface energy greater than each these color filter patterns has more than the 10N/m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101643111A CN101135847A (en) | 2004-12-14 | 2004-12-14 | Process for manufacturing Colorful filtering substrates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101643111A CN101135847A (en) | 2004-12-14 | 2004-12-14 | Process for manufacturing Colorful filtering substrates |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100985866A Division CN100373187C (en) | 2004-12-14 | 2004-12-14 | Color filter substrate and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101135847A true CN101135847A (en) | 2008-03-05 |
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| CNA2007101643111A Pending CN101135847A (en) | 2004-12-14 | 2004-12-14 | Process for manufacturing Colorful filtering substrates |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097869A (en) * | 2014-05-22 | 2015-11-25 | 乐金显示有限公司 | Flat panel display having low reflective black matrix and method for manufacturing the same |
| CN108519700A (en) * | 2018-04-11 | 2018-09-11 | 深圳市华星光电技术有限公司 | Color membrane substrates and its manufacturing method |
| CN112698525A (en) * | 2020-12-30 | 2021-04-23 | 武汉华星光电技术有限公司 | Color film substrate and preparation method thereof |
| CN112904613A (en) * | 2021-01-28 | 2021-06-04 | 武汉华星光电技术有限公司 | Color film substrate, display panel and preparation method of color film substrate |
-
2004
- 2004-12-14 CN CNA2007101643111A patent/CN101135847A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097869A (en) * | 2014-05-22 | 2015-11-25 | 乐金显示有限公司 | Flat panel display having low reflective black matrix and method for manufacturing the same |
| CN105097869B (en) * | 2014-05-22 | 2019-03-01 | 乐金显示有限公司 | Flat-panel monitor and its manufacturing method with low reflection black matrix |
| CN108519700A (en) * | 2018-04-11 | 2018-09-11 | 深圳市华星光电技术有限公司 | Color membrane substrates and its manufacturing method |
| CN112698525A (en) * | 2020-12-30 | 2021-04-23 | 武汉华星光电技术有限公司 | Color film substrate and preparation method thereof |
| CN112904613A (en) * | 2021-01-28 | 2021-06-04 | 武汉华星光电技术有限公司 | Color film substrate, display panel and preparation method of color film substrate |
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Open date: 20080305 |