CN101339875B - Printing and forming method of fluorescent powder layer of plasma display - Google Patents
Printing and forming method of fluorescent powder layer of plasma display Download PDFInfo
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- CN101339875B CN101339875B CN2008100208165A CN200810020816A CN101339875B CN 101339875 B CN101339875 B CN 101339875B CN 2008100208165 A CN2008100208165 A CN 2008100208165A CN 200810020816 A CN200810020816 A CN 200810020816A CN 101339875 B CN101339875 B CN 101339875B
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Abstract
A printing and forming method of a phosphor of a plasma display belongs to the technical field of a flat television; a screen printing plate of the method is characterized in that the size of total effective printed image is half of that of the effective printed image of an aperture mask or a back placode, and the number of columns of through holes on the screen printing plate is corresponding tothat of one sub-pixel on a printing stock. When printing, the marks of the screen printing plate are aligned with those of the printing stocks; a half of the printing stock is firstly printed, after that, the marks of the screen printing plate are aligned with those at the right side of the printing stocks, and the other part of the printing stock is printed, so that the screen printing plate with smaller size can be utilized to print fluorescent powder sizing agent of the plasma display with larger size. At the same time, the screen printing plate designed by the method adopts domestic screen printing plate with smaller specification and much lower cost, compared with the imported screen printing plate with larger size, thus effectively controlling the printing error caused by the deformed size.
Description
Technical field
The present invention relates to the plasma scope manufacturing technology, in particular to a kind of printing process of plasma scope fluorescent material, more specifically to a kind of printing and forming method that adopts domestic high precision small dimension half tone on the large size plasma volumetric display, to form fluorescent powder layer of plasma display.
Background technology
The displaying principle of plasma scope is that the ultraviolet ray that utilizes rare mixed gas discharge to produce encourages the red, green, blue three primary colors fluorescent powder luminous.The molded component structure of fluorescent material has traditional barrier formula and novel shadow mask in the plasma display.On cellular construction, the barrier formula is divided into Waffle, palisading type, crooked barrier and unsymmetric structure, and shadow mask is divided into △ type distributed architecture and list structure etc.The red, green, blue three primary colors fluorescent powder is a kind of effective process in the correspondence position printing of these parts.
The precision of silk screen printing at present is about 60 microns, can satisfy printing as liquid crystal display (LCD), solar cell, field-emission plane display (FED), and " reach the fluorescent powder printed of above size high-resolution plasma display (PDP), approaching or the limit printing precision of printing precision above 60 microns for 42.And the domestic web plate producer that can make this printing precision is limited, and the size of silk screen half tone that satisfies the maximum of this precision also is limited in 1.1 * 1.1 meters, and the half tone more than 1.8 * 1.8 meters that this size and 42 inches panel printshops need differs greatly.How to utilize domestic existing small size high accuracy printing screen plate to substitute the expensive big half tone of import high accuracy and realize that the printing of large size plasma display fluorescent material is the key of developing the large size plasma display, reducing production costs.
Even more important a bit is, the printing screen plate size distortion amount of big specification is big, and printing precision more is difficult to control, therefore utilizes undersized printing screen plate can also reduce the printing error of bringing because of the half tone distortion.
Summary of the invention
The objective of the invention is size restrictions at present domestic high accuracy printing screen plate in 1.1 meters * 1.1 meters, can't realize the present situation that the large size plasma volumetric display is fluorescent powder printed, in order to reduce cost, accelerate research and development speed, proposed a kind ofly to adopt existing domestic high accuracy Printing screen to realize the fluorescent powder printed and formed method of a kind of large size plasma volumetric display.
Technical scheme of the present invention is:
A kind of printing and forming method of fluorescent powder layer of plasma display, it is characterized in that utilizing the small dimension half tone on the metacoxal plate of large size plasma volumetric display or shadow mask, to print fluorescent powder paste material, the steps include: at first, the active graphical overall size that makes printing screen plate is half of stock, and the columns correspondence of through hole is the columns of a sub-pixel on the stock in the half tone; Secondly when printing, respectively the right and left gradation of stock is printed; The 3rd, print after the markers align with the primary colours mark on the half tone and the corresponding primary colours of stock before the printing, after printing primary colours on the left side, after the markers align with these primary colours of the right of the correspondence markings of half tone and stock, finish the printing of the fluorescent material of these primary colours of the right, repeat above-mentioned action, all finish printing until three primary colors fluorescent powder.
Described stock is the metacoxal plate of plasma scope or the shadow mask of shadow mask plasma display.
Upper and lower settings at described through hole has four alignment marks.
Described stock be provided with eight groups of alignment marks up and down.
Beneficial effect of the present invention:
The present invention is by the half range method of printing, and in the time of both can guaranteeing to print, three primary colors fluorescent powder can accurately be aimed at the precision that blanking guarantees printing, can utilize the low-cost advantage of domestic high precision half tone again; What is more important, this alignment function when printing of the method is simple, the rate of finished products height that prints out, the printing quality of fluorescent material is reliably guaranteed.The most important point is, the printing screen plate size distortion amount of small dimension is little, and printing precision is better controlled, and therefore utilizes undersized printing screen plate to reduce the printing error of bringing because of the half tone distortion greatly.
The present invention adopts method for printing screen to realize the shaping of fluorescent material, and it has simple possible, and the advantage that cost is low has successfully solved the fluorescent material problem of printing large scale PDP with little silk screen.The present invention's combination is fluorescent powder paste material efficiently, and the fluorescent material bisque that prints is fine and close evenly, high, the smooth surface of adhesive force, helps improving luminous efficiency.
Description of drawings
Fig. 1 is a △ type shadow mask active graphical structural representation of the present invention.
Fig. 2 is a △ type shadow mask printing screen plate structural representation of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As shown in Figure 1, 2.
A kind of printing and forming method of fluorescent powder layer of plasma display, it utilizes domestic high precision small dimension half tone to print fluorescent powder paste material on the metacoxal plate of large size plasma volumetric display or shadow mask, the steps include: at first, choose a kind of printing screen plate that prints large size plasma volumetric display fluorescent powder paste material, the dimension of picture of half tone is half of stock dimension of picture, and the columns correspondence of through hole is the columns of a sub-pixel on the stock in the half tone.Secondly, half tone up and down four jiaos alignment mark is set, as shown in Figure 2; And mark is set in the relevant position, the left and right sides of stock, as shown in Figure 1.Wherein the thick line figure of label 11,12,13,14,21,22,23,24,31,32,33,34,41,42,43,44,51,52,53,54,61,62,63,64 is an alignment mark in the accompanying drawing 1, and other fine rule figure is a sub-pixel.The thick line figure of label 7,8,9,10 is an alignment mark in the accompanying drawing 2, and other fine rule figure is the half tone through hole.
Pixel with stock is that 2M is capable, and 6N classifies example as, and because of the half tone effective area is half of stock area, the columns correspondence of through hole is the columns of a sub-pixel on the stock in the half tone, so it is capable to print M at every turn, and 3N row pixel.
Must follow between the mark setting on mark setting and the half tone on the above-mentioned stock as the upper/lower positions corresponding relation:
Left side at stock is half of: at first have the position relation between first first sub-pixel of row and the mark 11 to be equal to the first position relation that is listed as between first through hole and the mark 7 on the half tone; Secondly underlined 12,13,14 with mark 11 between the position that is equal between mark 8,9,10 and the mark 7 of position relation concern; Last underlined 11,31,51 is one group, and mark 12,32,52 is one group, and mark 13,33,53 is one group, and mark 14,34,54 is one group, and the position relation between every group of three mark is equal in the pixel position relation between three sub-pixels.
Right one side of something at stock: the position relation that at first has 3N+1 to be listed as between first sub-pixel and the mark 21 is equal to the first position relation that is listed as between first through hole and the mark 7 on the half tone; Secondly underlined 22,23,24 with mark 21 between the position that is equal between mark 8,9,10 and the mark 7 of position relation concern; Last underlined 21,41,61 is one group, and mark 22,42,62 is one group, and mark 23,43,63 is one group, and mark 24,44,64 is one group, and the position relation between every group of three mark is equal in the pixel position relation between three sub-pixels.
Fluorescent powder printed concrete operations step of the present invention is as follows:
Be printed as example to carry out left one side of something earlier below, carry out right one side of something earlier and print that method of operation is identical with it.
When printing first primary colours, earlier half tone is aimed at the back printing with the left side mark of stock, obtain behind the printed pattern slurry being dried, again with the markers align on half tone mark and stock the right, half prints to the right, so just can finish the printing of the first primary colours fluorescent powder paste material, repeat the printing that above-mentioned steps is carried out other two kinds of primary colours fluorescent powder paste materials subsequently.
The alignment case of the half of printing in a left side is, when first primary colours print, as long as half tone mark 7,8,9,10 is aimed at mark 11,12,13,14 on the stock respectively; During the printing of second primary colours, as long as mark 7,8,9,10 is aimed at mark 31,32,33,34 on the stock respectively; During the three primary colors printing, as long as mark 7,8,9,10 is aimed at mark 51,52,53,54 on the stock respectively.
Right half of print register situation is, when first primary colours print, as long as half tone mark 7,8,9,10 is aimed at mark 21,22,23,24 on the stock respectively; During the printing of second primary colours, as long as mark 7,8,9,10 is aimed at mark 41,42,43,44 on the stock respectively; During the three primary colors printing, as long as mark 7,8,9,10 is aimed at mark 61,62,63,64 on the stock respectively.
With printed pixels the shadow mask of 18 row, 4 row printing units being arranged below is that example is further described, as shown in Figure 1, 2.
Fig. 1 is a △ type shadow mask graphic structure schematic diagram, wherein the thick line figure of label 11,12,13,14,21,22,23,24,31,32,33,34,41,42,43,44,51,52,53,54,61,62,63,64 is an alignment mark, and other fine rule figure is a shadow mask hole.Fig. 2 is a half tone graphic structure schematic diagram of the present invention, and the thick line figure of label 7,8,9,10 is an alignment mark, and other fine rule figure is the half tone through hole.Wherein the dimension of picture of half tone is half of shadow mask dimension of picture, and the columns of through hole is that the columns of a sub-pixel promptly 3 is listed as.Printing is 2 row, 3 row at every turn.
During on the left side printing rouge and powder slurry, earlier half tone mark 7,8,9,10 is aimed at mark 11,12,13,14 on the shadow mask respectively, rouge and powder slurry in first, fourth, the seven row hole printings in Fig. 1; Then printing the right rouge and powder slurry is aimed at mark 21,22,23,24 on the shadow mask respectively with half tone mark 7,8,9,10, and rouge and powder slurry in the 16,13, the ten row holes printings is dried then printing of back in Fig. 1.
When on the left side prints green powder slurry, earlier half tone mark 7,8,9,10 is aimed at mark 31,32,33,34 on the shadow mask respectively, green powder slurry in second, five, the eight row holes printings in Fig. 1; Then the green powder slurry in printing the right is aimed at mark 41,42,43,44 on the shadow mask respectively with half tone mark 7,8,9,10, green powder slurry in the 17,14, the 11 row hole printings in Fig. 1.Dry then printing of back.
During on the left side printing blue powder slurry, earlier half tone mark 7,8,9,10 is aimed at mark 51,52,53,54 on the shadow mask respectively, blue powder slurry in the 3rd, six, the nine row hole printings in Fig. 1; Then printing the right blue powder slurry is aimed at mark 61,62,63,64 on the shadow mask respectively with half tone mark 7,8,9,10, blue powder slurry in the 18,15, the 12 row hole printings in Fig. 1.Enter next procedure after drying.
Above-mentioned implementation step is to carry out the half of printing in a left side earlier, after carry out that right side is half of prints; Equally also can carry out the half of printing in the right side earlier, carry out the half of printing in a left side again, its stock is identical with the mark and the alignment methods of web plate.
The inventive method can be applicable to the fluorescent powder printed of barrier formula, Chinese character pin-shaped structure, list structure plasma scope equally, does not give unnecessary details again at this.
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 (3)
1. the printing and forming method of a fluorescent powder layer of plasma display, it is characterized in that utilizing the small dimension half tone on the metacoxal plate of large size plasma volumetric display or shadow mask, to print fluorescent powder paste material, the steps include: at first, the active graphical overall size that makes half tone is the metacoxal plate of large size plasma volumetric display or half of shadow mask, and the columns correspondence of through hole is the columns of a sub-pixel on the metacoxal plate of large size plasma volumetric display or the shadow mask in the half tone; Secondly when printing, respectively the metacoxal plate of large size plasma volumetric display or the right and left gradation of shadow mask are printed; The 3rd, print after the alignment mark with the metacoxal plate of the primary colours alignment mark on the half tone and large size plasma volumetric display or the corresponding primary colours of shadow mask before the printing, after printing primary colours on the left side, after the alignment mark with these primary colours of the right of the metacoxal plate of the alignment mark of half tone and large size plasma volumetric display or shadow mask, finish the printing of the fluorescent material of these primary colours of the right, repeat above-mentioned action, all finish printing until three primary colors fluorescent powder.
2. the printing and forming method of fluorescent powder layer of plasma display according to claim 1 is characterized in that in the upper and lower settings of described through hole four alignment marks being arranged.
3. the printing and forming method of fluorescent powder layer of plasma display according to claim 1, what it is characterized in that the metacoxal plate of described large size plasma volumetric display or shadow mask is provided with six groups of alignment marks up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100208165A CN101339875B (en) | 2008-08-01 | 2008-08-01 | Printing and forming method of fluorescent powder layer of plasma display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100208165A CN101339875B (en) | 2008-08-01 | 2008-08-01 | Printing and forming method of fluorescent powder layer of plasma display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101339875A CN101339875A (en) | 2009-01-07 |
| CN101339875B true CN101339875B (en) | 2010-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100208165A Expired - Fee Related CN101339875B (en) | 2008-08-01 | 2008-08-01 | Printing and forming method of fluorescent powder layer of plasma display |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109304950B (en) * | 2017-07-26 | 2021-06-25 | 天津环鑫科技发展有限公司 | Screen printing process in silicon wafer groove |
| CN108401087B (en) * | 2018-02-12 | 2019-09-10 | 上海紫恩数码科技有限公司 | Color simulation method before fluoroleum inks |
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Granted publication date: 20100630 Termination date: 20120801 |