CN101702393B - Coating method of UV insulation moisture resisting agent - Google Patents

Coating method of UV insulation moisture resisting agent Download PDF

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Publication number
CN101702393B
CN101702393B CN2009102160108A CN200910216010A CN101702393B CN 101702393 B CN101702393 B CN 101702393B CN 2009102160108 A CN2009102160108 A CN 2009102160108A CN 200910216010 A CN200910216010 A CN 200910216010A CN 101702393 B CN101702393 B CN 101702393B
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control point
coating
glass
resisting agent
lower floor
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CN2009102160108A
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CN101702393A (en
Inventor
孙键昌
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Sichuan COC Display Devices Co Ltd
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Sichuan COC Display Devices Co Ltd
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Abstract

The invention discloses a coating method of a UV insulation moisture resisting agent. N control points P are inserted between a start control point PS and a finish control point PE on a coating edge of a lower glass 12 of a PDP screen; the start control point PS and the finish control point PE are set; starting from the second control point, each control point is moved by S''n to the edge of the lower glass 12 of the PDP screen in sequence compared with the former control point; the length relation of two adjacent control points is set to be Sn+1=aSn, and the coating velocity relation betweentwo adjacent control points is set to be Vn=bVn+1. The method of the invention can ensure that the whole coating uniformity of the coating edge is better.

Description

A kind of painting method of UV insulation moisture resisting agent
Technical field
The present invention relates to PDP module technical field, especially a kind of coating method that the PDP module is carried out the UV insulation moisture resisting agent.
Background technology
PDP (Plasma Display Panel; plasma panel) carrying out TCP (Tape CarrierPackage; the wiring board of microarray strip), FPC (Flexible Print Circuit; flexible circuit board) with the bonding of PDP processing after; for the bare electrode to PDP insulate and moisture protection, need carry out the coating of UV insulation moisture resisting agent and handle.Because PDP works under than higher voltage and temperature, part material in the screen electrode is easy to occur situations such as short circuit under high temperature, high humidity, high-tension operational environment, will directly have influence on the life-span of product, therefore, the state of UV insulation moisture resisting agent coating just seems very important.UV insulation moisture resisting agent application width is inhomogeneous, can cause the coating of part position narrow, can not cover, protect the screen electrode zone fully, influences product quality; On the contrary, coating wide can impact the use of screen miscellaneous part again, as too much being coated on FPC, the TCP of UV glue, can have influence on the assembling of TCP, FPC.
UV glue coating is produced and comprised two processes, and at first the UV insulation moisture resisting agent with liquid state applies the PDP relevant position, and then the cured immediately of the UV glue after using curing apparatus to coating, and is solid-state even the UV insulation moisture resisting agent is become by liquid state.After liquid UV insulation moisture resisting agent was coated, meeting was because of the variation of the mobile generation shape of self, and therefore, before curing, the shape of coating needs controlled.As shown in Figure 1, be the coating method of using always, the entire coating limit has only beginning P S, finish P ETwo control points in this way apply, and because of the coating distance is big, on the entire coating limit, it is very big that the width difference of UV glue can change, as shown in Figure 2, and P SPosition, control point UV glue is because of earlier coated, and flowing time is long, so width is bigger, and end point P EThe UV glue of position applies at last, and flowing time is short, so width is less; Solidifying later result is to begin to apply the position width than coating position width is obviously bigger than normal at last, can not be covered uniformly by UV glue in last coating TCP4 position.
In the setting to point of application, general setting is that the straight line that each point of application line is formed is parallel with the PDP limit, with the control point P of Fig. 1 EBeing example, is control point P as shown in Figure 7 EThe view of vertical section, the control point P of general UV insulation moisture resisting agent 2 EFrom the edge of PDP upper strata glass 11 is very near, therefore, in the actual production, UV insulation moisture resisting agent 2 can flow on the edge of PDP upper strata glass 11 immediately, but to the long time of the mobile needs at the edge of PDP lower floor glass 12, as shown in Figure 8, UV insulation moisture resisting agent 2 still is difficult to flow to the edge of PDP lower floor glass 12 after for a long time.
Foregoing is only for ease of to understanding of the present utility model.
Summary of the invention
The invention provides a kind of painting method of UV insulation moisture resisting agent, reach the UV insulation moisture resisting agent by this method and on whole coated side, apply uniform purpose.
The objective of the invention is to be achieved through the following technical solutions:
A kind of painting method of UV insulation moisture resisting agent, the beginning control point P on lower floor's glass (12) coated side of PDP screen SWith finishing control point P EBetween insert 1 control point P, set by beginning control point P STo finishing control point P E, since second control point, each control point is compared with previous control point successively to the edge of lower floor's glass (12) of PDP screen and is moved S " 1=0.3mm, S " 2=0.5mm, the length relation of setting simultaneously between adjacent two control points is S N+1=3S n, it is V that the coating speed between adjacent two control points closes n=1.3V N+1
A kind of painting method of UV insulation moisture resisting agent, the beginning control point P on lower floor's glass (12) coated side of PDP screen SWith finishing control point P EBetween insert 2 control point P, set by beginning control point P STo finishing control point P E, since second control point, each control point is compared with previous control point successively to the edge of lower floor's glass (12) of PDP screen and is moved S " 1=0.2mm, S " 2=0.3mm, S " 3=0.4mm, the length relation of setting simultaneously between adjacent two control points is S N+1=1.7S n, it is V that the coating speed between adjacent two control points closes n=1.15V N+1
A kind of painting method of UV insulation moisture resisting agent, the beginning control point P on lower floor's glass (12) coated side of PDP screen SWith finishing control point P EBetween insert 3 control point P, set by beginning control point P STo finishing control point P E, since second control point, each control point is compared with previous control point successively to the edge of lower floor's glass (12) of PDP screen and is moved S " 1=0.1mm, S " 2=0.2mm, S " 3=0.3mm, S " 4=0.4mm, the length relation of setting simultaneously between adjacent two control points is S N+1=1.5S n, it is V that the coating speed between adjacent two control points closes n=1.1V N+1
The present invention is by rationally setting the relative position relation of control point and lower floor's glass 12 of PDP screen, and rationally coating speed V between each section of setting and the proportionate relationship of length S simultaneously, can make the coating uniformity of integral body of coated side relatively good.
Description of drawings
The present invention will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the application pattern figure of general UV insulation moisture resisting agent;
Fig. 2 is the design sketch under the application pattern of general UV insulation moisture resisting agent;
Fig. 3 is the application pattern figure of specific embodiments of the invention one;
Fig. 4 is the design sketch under the application pattern of specific embodiments of the invention one;
Fig. 5 is the coating method figure of specific embodiments of the invention two;
Fig. 6 is the coating method figure of specific embodiments of the invention three;
Fig. 7 is the general UV insulation moisture resisting agent coating location drawing on PDP;
Fig. 8 is the general design sketch after flowing on the coating of the UV insulation moisture resisting agent on the PDP position;
Fig. 9 is the UV insulation moisture resisting agent coating location drawing on PDP of the present invention;
Figure 10 is the design sketch after flowing on the UV insulation moisture resisting agent coating position on PDP of the present invention.
Wherein, 1 of Fig. 1 to Fig. 6 is the PDP screen, the 4th, and TCP and/or FPC, P SBe the beginning control point, P EIt is the finishing control point; The P of Fig. 3 to Fig. 6 1It is the first insertion control point; The P of Fig. 5 and Fig. 6 2It is the second insertion control point; The P of Fig. 6 3It is the 3rd insertion control point; 11 of Fig. 7 to Fig. 8 is the upper strata glass of PDP screen, the 12nd, and lower floor's glass of PDP screen, the 2nd, insulation moisture resisting agent, the 4th, TCP and/or FPC, P are general coating control points, P ' is coating of the present invention control point.
Embodiment
Disclosed all features in this specification, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
It is at the beginning control point P that applies on the limit that the present invention adopts method SWith finishing control point P EBetween increase limited control point, rationally be provided with between the adjacent control point apart from S and coating speed V, and the position relation that control point and the edge of PDP screen lower floor glass 12 rationally are set is to reach the more uniform purpose of UV insulation moisture resisting agent coating.In actual production, the number at control point is many more, and applying effect can be more even, but can make production technology become more complicated simultaneously and coating efficiency is not high; As optimal way, method of the present invention adopts inserts 1-3 control point.
Below in conjunction with accompanying drawing, describe content of the present invention in detail with three specific embodiments.
Specific embodiment one:
As shown in Figure 3, beginning control point P on lower floor's glass 12 coating limits of PDP screen SWith finishing control point P EBetween increase a control point P 1, we claim P 1Be the first insertion control point, when the control point is set, insert control point P first 1With respect to beginning control point P SEdge to lower floor's glass 12 of PDP screen moves S " 1=0.3mm puts P with finishing control ERelative first inserts control point P 1Edge to lower floor's glass 12 of PDP screen moves S " 2=0.5mm, the reasonable setting of the lower floor's glass 12 edge relative position relations by application point and PDP screen is set, the UV insulation moisture resisting agent of back coating is short because of flowing time, the UV insulation moisture resisting agent still can be very fast the edge of the upper strata glass 11 that flow to PDP screen, the UV insulation moisture resisting agent has obtained compensation to the mobile slow problem in lower floor's glass 12 edges of PDP screen simultaneously, help UV insulation moisture resisting agent 2 on the whole limit can be more uniform the marginal position of lower floor's glass 12 of the PDP of flowing to screen, make that UV glue final flow width on screen is relatively more consistent, as shown in figure 10.
Except the relative position relation of lower floor's glass 12 of reasonable setting control point and PDP screen, carry out the reasonable control between adjacent two application point simultaneously apart from S and coating speed V, can effectively improve the uniformity that the UV insulation moisture resisting agent applies.We are with V 11Expression is from beginning control point P SInsert control point P to first 1Coating speed, with V 12Expression is inserted control point P from first 1To finishing control point P ECoating speed; We are with S 11Expression is from beginning control point P SInsert control point P to first 1Length, with S 12Expression is inserted control point P from first 1To finishing control point P ELength; Be about under the situation of 2000cP at UV insulation moisture resisting agent viscosity, two length velocity relations are: V 11=1.3V 12, two length relations are: S 12=3S 11Because from beginning control point P SInsert control point P to first 1Speed ratio very fast, the UV insulation moisture resisting agent of coating can be fewer, what can not become because the time ratio that flows is more is very wide, and inserts control point P from first 1Point is to finishing control point P EBecause coating speed is slow, the UV insulation moisture resisting agent coating amount can be many, the acceleration after therefore helping applying broadens, final coating effect as shown in Figure 4.
The relative position relation of the lower floor's glass 12 by reasonable setting control point and PDP screen, and rationally set V simultaneously 11With V 12, S 11With S 12Proportionate relationship, can make the coating uniformity of integral body of coated side relatively good.
Specific embodiment two:
As shown in Figure 5, beginning control point P on lower floor's glass 12 coating limits of PDP screen SWith finishing control point P EBetween increase P 1And P 2Two control points, we claim P 1Be the first insertion control point, claim P 2Be the second insertion control point, when the control point is set, insert control point P first 1With respect to beginning control point P SEdge to lower floor's glass 12 of PDP screen moves S " 1=0.2mm inserts control point P with second 2Insert control point P with first relatively 1Lower floor's glass 12 edges to the PDP screen move S " 2=0.3mm, finishing control point P EO'clock insert control point P with respect to second 2Edge to lower floor's glass 12 of PDP screen moves S " 3=0.4mm, the reasonable setting of the lower floor's glass 12 edge relative position relations by application point and PDP screen is set, the UV insulation moisture resisting agent of back coating is short because of flowing time, the UV insulation moisture resisting agent still can be very fast the edge of the upper strata glass 11 that flow to PDP screen, the UV insulation moisture resisting agent has obtained compensation to the mobile slow problem in lower floor's glass 12 edges of PDP screen simultaneously, help UV insulation moisture resisting agent 2 on the whole limit can be more uniform the marginal position of lower floor's glass 12 of the PDP of flowing to screen, make that UV glue final flow width on screen is relatively more consistent, as shown in figure 10.
Except the relative position relation of lower floor's glass 12 of reasonable setting control point and PDP screen, carry out the reasonable control between adjacent two application point simultaneously apart from S and coating speed V, can effectively improve the uniformity that the UV insulation moisture resisting agent applies.We are with V 21Expression is from beginning control point P SInsert control point P to first 1Coating speed, with V 22Expression is inserted control point P from first 1To finishing control point P 2Coating speed, with V 23Expression is inserted control point P from second 2To finishing control point P ECoating speed; We are with S 21Expression is from beginning control point P SInsert control point P to first 1Length, with S 22Expression is inserted control point P from first 1Insert control point P to second 2Length, with S 23Expression is inserted control point P from second 2To finishing control point P ELength; Be about under the situation of 2000cP at UV insulation moisture resisting agent viscosity, three length velocity relations are: V 21=1.15V 22, V 22=1.15V 23Three distance relations are: S 22=1.7S 21, S 23=1.7S 22At this moment, because these three sections regional coating speeds reduce step by step, the zone of coating is very fast because of speed ratio earlier, UV glue can be more fewer, what can not become because the time ratio that flows is more is very wide, the zone of back coating is because coating speed is slow, and the coating amount of UV glue can be many, and the acceleration after therefore helping applying broadens.Finally make the uniformity of the application width change on whole limit.
The relative position relation of the lower floor's glass 12 by reasonable setting control point and PDP screen, and rationally set coating speed V between each section and the proportionate relationship of length S simultaneously can make the coating uniformity of integral body of coated side relatively good.
Specific embodiment three:
As shown in Figure 6, beginning control point P on lower floor's glass 12 coating limits of PDP screen SWith finishing control point P EBetween increase P 1, P 2And P 3Three control points, we claim P 1Be the first insertion control point, claim P 2Be the second insertion control point, claim P 3Be the 3rd insertion control point, when the control point is set, insert control point P first 1With respect to beginning control point P SEdge to lower floor's glass 12 of PDP screen moves S " 1=0.1mm inserts control point P with second 2Insert control point P with first relatively 1Lower floor's glass 12 edges to the PDP screen move S " 2=0.2mm inserts control point P with the 3rd 3O'clock insert control point P with respect to second 2Edge to lower floor's glass 12 of PDP screen moves S " 3=0.3mm puts P with finishing control EO'clock insert control point P with respect to the 3rd 3Edge to lower floor's glass 12 of PDP screen moves S " 4=0.4mm, the reasonable setting of the lower floor's glass 12 edge relative position relations by application point and PDP screen is set, the UV insulation moisture resisting agent of back coating is short because of flowing time, the UV insulation moisture resisting agent still can be very fast the edge of the upper strata glass 11 that flow to PDP screen, the UV insulation moisture resisting agent has obtained compensation to the mobile slow problem in lower floor's glass 12 edges of PDP screen simultaneously, help UV insulation moisture resisting agent 2 on the whole limit can be more uniform the marginal position of lower floor's glass 12 of the PDP of flowing to screen, make that UV glue final flow width on screen is relatively more consistent, as shown in figure 10.
Except the relative position relation of lower floor's glass 12 of reasonable setting control point and PDP screen, carry out the reasonable control between adjacent two application point simultaneously apart from S and coating speed V, can effectively improve the uniformity that the UV insulation moisture resisting agent applies.We are with V 31Expression is from beginning control point P SInsert control point P to first 1Coating speed, with V 32Expression is inserted control point P from first 1To finishing control point P 2Coating speed, with V 33Expression is inserted control point P from second 2Insert control point P to the 3rd 3Coating speed, with V 34Expression is inserted control point P from the 3rd 3To finishing control point P ECoating speed; We are with S 31Expression is from beginning control point P SInsert control point P to first 1Length, with S 32Expression is inserted control point P from first 1Insert control point P to second 2Length, with S 33Expression is inserted control point P from second 2Insert control point P to the 3rd 3Length, with S 34Expression is inserted control point P from the 3rd 3To finishing control point P ELength; Be about under the situation of 2000cP at UV insulation moisture resisting agent viscosity, three length velocity relations are: V 31=1.1V 32, V 32=1.1V 33, V 33=1.1V 34Three distance relations are: S 32=1.5S 31, S 33=1.5S 32, S 34=1.5S 33At this moment, because these four sections regional coating speeds reduce step by step, the zone of coating is very fast because of speed ratio earlier, UV glue can be fewer, what can not become because the time ratio that flows is more is very wide, the zone of back coating is because coating speed is slow, and the coating amount of UV glue can be many, and the acceleration after therefore helping applying broadens.Finally make the uniformity of the application width change on whole limit.
The relative position relation of the lower floor's glass 12 by reasonable setting control point and PDP screen, and rationally set coating speed V between each section and the proportionate relationship of length S simultaneously can make the coating uniformity of integral body of coated side relatively good.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.

Claims (3)

1. the painting method of a UV insulation moisture resisting agent is characterized in that, the beginning control point P on lower floor's glass (12) coated side of PDP screen SWith finishing control point P EBetween insert 1 control point P, set by beginning control point P STo finishing control point P E, since second control point, each control point is compared with previous control point successively to the edge of lower floor's glass (12) of PDP screen and is moved S " 1=0.3mm, S " 2=0.5mm, the length relation of setting simultaneously between adjacent two control points is S N+1=3S n, it is V that the coating speed between adjacent two control points closes n=1.3V N+1
2. the painting method of a UV insulation moisture resisting agent is characterized in that, the beginning control point P on lower floor's glass (12) coated side of PDP screen SWith finishing control point P EBetween insert 2 control point P, set by beginning control point P STo finishing control point P E, since second control point, each control point is compared with previous control point successively to the edge of lower floor's glass (12) of PDP screen and is moved S " 1=0.2mm, S " 2=0.3mm, S " 3=0.4mm, the length relation of setting simultaneously between adjacent two control points is S N+1=1.7S n, it is V that the coating speed between adjacent two control points closes n=1.15V N+1
3. the painting method of a UV insulation moisture resisting agent is characterized in that, the beginning control point P on lower floor's glass (12) coated side of PDP screen SWith finishing control point P EBetween insert 3 control point P, set by beginning control point P STo finishing control point P E, since second control point, each control point is compared with previous control point successively to the edge of lower floor's glass (12) of PDP screen and is moved S " 1=0.1mm, S " 2=0.2mm, S " 3=0.3mm, S " 4=0.4mm, the length relation of setting simultaneously between adjacent two control points is S N+1=1.5S n, it is V that the coating speed between adjacent two control points closes n=1.1V N+1
CN2009102160108A 2009-10-28 2009-10-28 Coating method of UV insulation moisture resisting agent Expired - Fee Related CN101702393B (en)

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Publication number Priority date Publication date Assignee Title
CN103708737A (en) * 2013-12-20 2014-04-09 四川虹欧显示器件有限公司 Coating method of moisture-resistant insulating compound for electrode of plasma display

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101310356A (en) * 2006-02-28 2008-11-19 松下电器产业株式会社 Method for manufacturing plasma display panel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101310356A (en) * 2006-02-28 2008-11-19 松下电器产业株式会社 Method for manufacturing plasma display panel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2002-367514A 2002.12.20

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