CN101406873B - Method for pre-spraying adhesive before spray finishing of fluorescent powder - Google Patents
Method for pre-spraying adhesive before spray finishing of fluorescent powder Download PDFInfo
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- CN101406873B CN101406873B CN200810155738XA CN200810155738A CN101406873B CN 101406873 B CN101406873 B CN 101406873B CN 200810155738X A CN200810155738X A CN 200810155738XA CN 200810155738 A CN200810155738 A CN 200810155738A CN 101406873 B CN101406873 B CN 101406873B
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Abstract
The invention relates to a method for pre-spraying a bonding agent before fluorescent powder spray painting. A layer of the bonding agent is painted on the contact junction area of a masking shadow mask (2) and a working shadow mask (1), the inner wall layers of the masking shadow mask (2) and the working shadow mask (1), and the bottom of an absorption magnetic sheet (3) for spray painting use; and the aims of improving the painting quality and reducing the pollution can be achieved through the bonding agent being fully filled in the clearance in the junction area and closing the clearance and the adherence action of the bonding agent adhered to the bottom of the absorption magnetic sheet (3) on atomized slurry particles. The method not only has the action of protecting the adhered and formed fluorescent dye layer from damage, but also has the advantage of reducing the environmental pollution in a workshop.
Description
Technical field
The present invention relates to a kind of production technology of shadow-mask type plasma, impel fluorescent powder paste material to be attached to method on mask shadow-mask and the work shadow cover inner wall layer, specifically a kind of method of pre-spraying adhesive before spray finishing of fluorescent powder better during especially a kind of the spraying.
Background technology
Shadow mask plasma display is to utilize the shadow mask of using always in color CRT (cathode-ray tube) production to substitute the barrier of manufacturing process complexity among the existing PDP (being the gas ions display board).Owing to substitute barrier with shadow mask, simplified technology, reduced cost.
Mask shadow-mask and work shadow cover are the hundreds of thousands that forms by precision exposure etching technics on the thick thin steel band of the 0.15mm hole matrix figures to millions of given shapes, particular arrangement.Will evenly the certain thickness three fluorescence bisque difficulty of coating be very big successively to the aperture inwall of millions of given shapes, particular arrangement at this hundreds of thousands.Present production technology is: mask shadow-mask directly carries out spraying operation with being adsorbed on after work shadow cover is aimed at according to required spraying primary colours selectivity on the rubber magnet plate framework, the slurry of atomizing is except attached on the rubber magnetic sheet of up and down mask shadow-mask and work shadow cover inner wall layer and absorption, also be bound to contact the slit of intersection with work shadow cover to the big or small bridge face of work shadow cover seepage by mask shadow-mask up and down, cause work shadow cover size bridge face fluorescent material to adhere in a large number, this will increase back operation surface gumming workload and difficulty.If the amount of seepage is big, then may cause and scurry the look phenomenon at work shadow cover macropore face, cause the air channel clogging at the aperture face, these all are fatal defectives concerning the spraying work shadow cover.Also having the big atomized slurry of a small amount of kinetic energy in addition oppositely ejects after touching bottom rubber magnetic sheet, the fine and close level and smooth phosphor powder layer part particle that has adhered to formation is before destroyed, the consequence that causes is that the final phosphor powder layer that forms is not fine and close, unsmooth, and last powder amount also decreases, and it all has big harmful effect to luminosity and luminous uniformity.The final major part of atomized slurry particle of a small amount of bounce-back all can be scattered in the environment of operation room, and this will bring certain harm to operating personnel's physical and mental health and relevant implement.This shows do not spray binding agent in advance and directly the technology of sprayed with fluorescent powder can not satisfy existing demand of producing.
Summary of the invention
The slit that the objective of the invention is to contact intersection with work shadow cover by mask shadow-mask at atomized slurry in the shadow mask plasma display three primary colors fluorescent powder coating process produces the problem of oppositely launching to work shadow cover size bridge face seepage and atomized slurry touching back, absorption magnetic sheet bottom, a kind of method of pre-spraying adhesive before spray finishing of fluorescent powder is provided, the present invention not only can avoid work shadow cover, masking shadow mask bridge floor powder adheres to pollution, also can increase the fluorescent powder grain that is scattered at first greatly at work shadow cover, adhere to quantity on the masking shadow mask inwall, this will provide the bottom of a compact and firm for adhering to of follow-up fluorescent powder grain.In addition since the agent of absorption magnetic sheet bottom adhesive to the adhesive attraction of pulp particle, the bounce-back quantity of pulp particle also significantly reduces, this both had been beneficial to protection and has adhered to the phosphor powder layer of formation and be not damaged, and can alleviate the pollution to the operation room environment again.
Technical scheme of the present invention is:
1, a kind of method of pre-spraying adhesive before spray finishing of fluorescent powder is characterized in that it may further comprise the steps:
A. at first the M70 cellulose dissolution is mixed with translucent solution in the terpinol of the amount of matching and is binding agent;
B. with adsorbing on magnetic sheet and the relevant position some groups of locating holes are set in work shadow cover, mask shadow-mask, spraying to mutatis mutandis glass plate frame, every group of locating hole is made up of three mating holes, and the distance in distance between three mating holes and the work shadow cover grid hole between the three primary colors is complementary;
C. by the acting in conjunction of mating holes and aligning taper pin, the selectivity that masking shadow mask, work shadow cover and spraying are finished corresponding primary colours with the absorption magnetic sheet is aimed at and absorption;
D. the above-mentioned mask shadow-mask of having aimed at, work shadow cover and spraying absorption framework are inserted the operation of carrying out spraying adhesive in the water curtain case;
E. carry out spraying, separation, the oven dry of corresponding primary colours fluorescent material after the binding agent spraying operation is finished;
F. the c～e step is repeated in work shadow cover oven dry back, all finishes spraying, separation, oven dry until three primary colors fluorescent powder, and the work shadow cover flowing water that will spray three primary colors fluorescent powder then is to the next procedure sintering.2, the method for a kind of pre-spraying adhesive before spray finishing of fluorescent powder of the present invention is characterized in that described binding agent 25 ± 3 ℃ of temperature between measuring, and under humidity 45 ± 5% situations, it is 20 ± 2cp that the binding agent of measurement uses range of viscosities between measurement.
3, the method for a kind of pre-spraying adhesive before spray finishing of fluorescent powder of the present invention is characterized in that the used chemical substance of described binding agent is clean by thorough burn off in sintering circuit.
Beneficial effect of the present invention:
1, the present invention adopts the method for carrying out corresponding primary colours fluorescent powder paste material spraying again after the first spraying adhesive, the slit that contacts intersection owing to mask shadow-mask about binding agent general with work shadow cover is filled full, atomized slurry has not had passage again to work shadow cover size bridge face seepage, therefore can produce scarcely at the large and small hole of work shadow cover face and scurry look and stop up aperture air channel phenomenon.Spraying oven dry back work shadow cover size bridge face also all compares totally, does not have fluorescent material substantially and adheres to, and this will alleviate workload and difficulty that subsequent handling is removed work shadow cover bridge floor fluorescent material greatly.
2, be attached with a very thin layer binder on the work shadow cover inwall of the present invention, this is very beneficial for increasing the fluorescent powder grain that is scattered at first and adheres to quantity on the work shadow cover inwall, and can be a bottom that densification is firm is provided adhering to of follow-up particle.
3, spraying of the present invention is attached with a layer binder with absorption magnetic sheet bottom; part touches oppositely launches kinetic energy after bonded dose of adhesion of atomized slurry particle of base plate and greatly reduces or rebound not again; this both had been beneficial to protection and has adhered to the phosphor powder layer of formation and be not damaged, and can alleviate the pollution of bounce-back pulp particle to the operation room environment again.
Description of drawings
Fig. 1 align structures schematic diagram that is mask shadow-mask of the present invention and work shadow cover on to mutatis mutandis glass plate.
Fig. 2 is a mask shadow-mask of the present invention and forward spraying after work shadow cover is aimed to the structural representation on the absorption magnetic sheet.
Fig. 3 carries out formed mask shadow-mask of fluorescent powder jet printing and work shadow cover inwall phosphor powder layer adhesion condition schematic diagram after binding agent is sprayed in the present invention in advance again.
Fig. 4 is that mask shadow-mask of the present invention separates back work shadow cover inwall phosphor powder layer adhesion condition schematic diagram with work shadow cover spraying oven dry.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing 1-4 and embodiment.
A kind of method of pre-spraying adhesive before spray finishing of fluorescent powder, it may further comprise the steps:
A. at first the M70 cellulose dissolution is mixed with translucent solution in the terpinol of the amount of matching and is binding agent, it is that (measuring condition: temperature is 25 ± 3 ℃ between measurement for 20 ± 2cp that this binding agent uses range of viscosities; Humidity 45 ± 5% between measurement; Measuring instrument: BrookFIELD DV-II+Pro), in addition, the used chemical substance of preparation binding agent should be able to be by thoroughly burn off is clean in sintering circuit;
B. with adsorbing on magnetic sheet (3) and the relevant position some groups of locating holes are set in work shadow cover (1), mask shadow-mask (2), spraying to mutatis mutandis glass plate (6) frame, every group of locating hole is made up of three mating holes (4), and the distance in distance between three mating holes (4) and work shadow cover (1) grid hole between the three primary colors is complementary;
C. by the acting in conjunction of mating holes (4) and aligning taper pin (5), the selectivity that masking shadow mask (2), work shadow cover (1) and spraying are finished corresponding primary colours with absorption magnetic sheet (3) is aimed at and absorption;
D. the above-mentioned mask shadow-mask of having aimed at (2), work shadow cover (1) and spraying absorption framework (7) are inserted the operation of carrying out spraying adhesive in the water curtain case;
E. carry out spraying, separation, the oven dry of corresponding primary colours fluorescent material after the binding agent spraying operation is finished;
F. the c～e step is repeated in work shadow cover oven dry back, all finishes spraying, separation, oven dry until three primary colors fluorescent powder, and the work shadow cover flowing water that will spray three primary colors fluorescent powder then is to the next procedure sintering.
During concrete enforcement:
As shown in Figure 1, being mask shadow-mask of the present invention finishes the alignment procedures structural representation by mating holes with the acting in conjunction of aiming at taper pin with work shadow cover aiming on the plate glass.For accurately finishing mask shadow-mask 2, work shadow cover 1 fast, mutatis mutandis glass plate 6 and spraying all being provided with some groups of locating holes in its frame relevant position with absorption magnetic sheet 3 contrapositions absorption, every group of locating hole is made up of three mating holes 4, and the distance in distance between three mating holes 4 and work shadow cover 1 grid hole between the three primary colors is complementary.Acting in conjunction by mating holes 4 and aligning taper pin 5, mask shadow-mask 2 is finished corresponding primary colours selectivity alignment procedures earlier with work shadow cover 1 on aligning glass plate 6, pass through then tipping carryover preface, forward spraying to on the absorption framework 7 with aiming at good mask shadow-mask 2 with work shadow cover 1, this moment aims between mask shadow-mask 2 and the work shadow cover 1 and adsorption process is all finished, satisfy the spraying condition, carried out spraying adhesive and fluorescent material operation in the water curtain case of can packing into.As shown in Figure 2, being mask shadow-mask of the present invention aims at the back and prepares to carry out spraying adhesive and fluorescent material operation structure schematic diagram by tipping carryover preface is forwarded on the spraying absorption magnetic sheet aiming to finish on the plate glass with work shadow cover, directly carries out spraying, separation, the oven dry of corresponding primary colours fluorescent material after the binding agent spraying operation is finished.Fig. 3 is that the present invention adopts pre-earlier spray binding agent formed mask shadow-mask of sprayed with fluorescent powder and work shadow cover inwall phosphor powder layer adhesion condition schematic diagram again, repeat above step after the work shadow cover oven dry, all finish spraying, separation, oven dry until three primary colors fluorescent powder, the work shadow cover flowing water that will spray three primary colors fluorescent powder then is to the next procedure sintering.As shown in Figure 4, for the present invention adopts the pre-earlier spray binding agent three fluorescence bisque of the formed surface smoothing unanimity of sprayed with fluorescent powder again, this phosphor powder layer has the characteristics of luminosity height and luminous high conformity.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (2)
1. the method for a pre-spraying adhesive before spray finishing of fluorescent powder is characterized in that it may further comprise the steps:
A. at first the M70 cellulose dissolution is mixed with translucent solution in the terpinol of the amount of matching and is binding agent;
B. with adsorbing on magnetic sheet (3) and the relevant position some groups of locating holes are set in work shadow cover (1), mask shadow-mask (2), spraying to mutatis mutandis glass plate (6) frame, every group of locating hole is made up of three mating holes (4), and the distance in distance between three mating holes (4) and work shadow cover (1) grid hole between the three primary colors is complementary;
C. by the acting in conjunction of mating holes (4) and aligning taper pin (5), the selectivity that masking shadow mask (2), work shadow cover (1) and spraying are finished corresponding primary colours with absorption magnetic sheet (3) is aimed at and absorption;
D. the above-mentioned mask shadow-mask of having aimed at (2), work shadow cover (1) and spraying absorption framework (7) are inserted the operation of carrying out spraying adhesive in the water curtain case; Described binding agent 25 ± 3 ℃ of temperature between measuring, under humidity 45 ± 5% situations, it is 20 ± 2cp that the binding agent of measurement uses range of viscosities between measurement;
E. carry out spraying, separation, the oven dry of corresponding primary colours fluorescent material after the binding agent spraying operation is finished;
F. the c～e step is repeated in work shadow cover oven dry back, all finishes spraying, separation, oven dry until three primary colors fluorescent powder, and the work shadow cover flowing water that will spray three primary colors fluorescent powder then is to the next procedure sintering.
2. the method for a kind of pre-spraying adhesive before spray finishing of fluorescent powder according to claim 1 is characterized in that the used chemical substance of described binding agent is clean by thorough burn off in sintering circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810155738XA CN101406873B (en) | 2008-10-14 | 2008-10-14 | Method for pre-spraying adhesive before spray finishing of fluorescent powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810155738XA CN101406873B (en) | 2008-10-14 | 2008-10-14 | Method for pre-spraying adhesive before spray finishing of fluorescent powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101406873A CN101406873A (en) | 2009-04-15 |
| CN101406873B true CN101406873B (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810155738XA Expired - Fee Related CN101406873B (en) | 2008-10-14 | 2008-10-14 | Method for pre-spraying adhesive before spray finishing of fluorescent powder |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103378271A (en) * | 2012-04-25 | 2013-10-30 | 展晶科技(深圳)有限公司 | Packaging structure of light emitting diode and manufacturing method thereof |
| CN110344343A (en) * | 2019-07-15 | 2019-10-18 | 张永强 | A kind of road dental calculus fluorescer complex vibration coating technique |
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| CN101406873A (en) | 2009-04-15 |
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