CN101984505B - Method for manufacturing bottom-bar type FED (field emission display) lower board graph by negative photoresist - Google Patents
Method for manufacturing bottom-bar type FED (field emission display) lower board graph by negative photoresist Download PDFInfo
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- CN101984505B CN101984505B CN2010101213685A CN201010121368A CN101984505B CN 101984505 B CN101984505 B CN 101984505B CN 2010101213685 A CN2010101213685 A CN 2010101213685A CN 201010121368 A CN201010121368 A CN 201010121368A CN 101984505 B CN101984505 B CN 101984505B
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Abstract
The invention relates to a method for manufacturing a bottom-bar type FED (field emission display) lower board graph by negative photoresist, comprising the following steps: 1) preparing photosilver slurry; 2) manufacturing a grid layer (5) graph on a cleaned cathode glass substrate (4) by photolithography; 3) manufacturing an insulation material graph on the grid layer (5), and sintering to obtain a cathode resistive layer (6); 4) manufacturing a cathode layer (7) graph by the photosilver slurry by photolithography; 5) filling one layer of negative photoresist (p), and carrying out exposure and development under an ultraviolet lamp after dried to obtain a cathode line gap filling graph p; (6) manufacturing a cathode emitter (8) by electrophoresis, printing and photoetching; and 7) removing photoresist (p) to obtain the integral bottom-bar type FED lower substrate structure. The substrate structure obtained by the method causes the surface of the grid electrode to thoroughly insolate from the surface of the cathode and the problem of grid electrode and cathode surface short circuit is solved.
Description
Technical field
The present invention relates to the technical field that Field Emission Display is made, be specifically related to a kind of Field Emission Display (Field Emission Display; FED) manufacture method of the FED lower plate figure of grid layer, dielectric layer, cathode pattern and protection gate surface making emitter.
Background technology
Field Emission Display among the present invention is to bombard the fluorescent material on the screen through the emitter ejected electron on electric field spontaneous emission negative electrode (cathode emitter) material, thereby activated phosphor is luminous.Be characterized in light, thin, brightness is high, the visual angle is wide, reaction is fast.
Consulting shown in Figure 1ly, is prior art Field Emission Display modular construction sketch map.The Field Emission Display of bottom gate type, its structure comprises anode and negative electrode at least, is provided with separaant 9 between this anode and the negative electrode, so that the interval of vacuum area between anode and the negative electrode to be provided, and as the support between the upper and lower base plate.
As shown in Figure 1, this anode comprises an anode glass substrate 1 and anode conductive layer 2 and a fluorescent powder coating 3 at least; And this negative electrode comprises a cathode glass substrate 4, grid layer 5, cathode resistor layer 6, cathode layer 7 and cathode emitter 8 (being CNT CNT) at least; Wherein this anode and negative electrode are to keep vacuum area by separaant 9; And by the electric field that has a voltage difference to form between grid and the negative electrode; Make the emitter 8 on the negative electrode disengage electronics, make it the impact fluorescence powder through the high voltage electric field accelerated electron between anode and the negative electrode again and luminous.
When existing FED lower plate is made cathode emitter 8 (CNT CNT); 4,5,6,7 figures have been made and have been finished in the lower plate, generally adopt electrical methods such as electrophoresis, plating to make the method that cathode emitter 8 (CNT CNT) or print process, photoetching process etc. are directly made emitter.In these methods; Because lower plate grid layer 5 surfaces expose; When making cathode emitter 8 (CNT CNT); Be difficult to avoid cathode emitter 8 (CNT CNT) accumulation (like Fig. 2) of on grid layer 5 surfaces, being scattered, occur the situation of cathode layer 7 and grid layer 5 short circuits when three electrodes add voltage after encapsulation.
Summary of the invention
In order to overcome above-mentioned deficiency, the present invention provides a kind of method of utilizing negative photoresist to make bottom-gate FED lower plate graphics, and the method through before making emitter, gate surface being protected makes gate surface thoroughly insulated with cathode surface; And will attach at the CNT on photoresist surface and remove in the lump, thoroughly solve the grid and the cathode surface problem of short-circuit that cause easily when emitter is made with photoresist.
The objective of the invention is to realize that through following technical proposals a kind of method of utilizing negative photoresist to make bottom-gate FED lower plate graphics is characterized in that this method realizes through following steps:
1) preparation photosensitive silver slurry;
2) on the cathode glass substrate after the clean, adopt photosensitive silver slurry manufacturing grid layer pattern in the step 1) through photoetching process;
3) on the grid layer figure of making, one or more layers insulating barrier figure is made in printing, and at 530～590 ℃, sintering 20～30min obtains the cathode resistor layer;
4) on above-mentioned cathode resistor layer, adopt the photosensitive silver slurry to make one deck cathode layer figure through photoetching process;
5) in above-mentioned steps 4) fill one deck photoresist p on the substrate accomplished,
When adopting negative photoresist to fill the negative electrode gap, directly use the through printing forme of respective graphical to print to the substrate with print process after, in 90～130 ℃ of drying 10～30min;
6) make cathode emitter, adopt electrophoresis, printing, photoetching method to make cathode emitter;
7) remove photoresist p;
Filler is a negative photoresist, directly uses 0.2～1% Na
2CO
3Developing liquid developing 10～200s removes;
Can obtain complete bottom gate type FED lower substrate structure.
Said photosensitive silver slurry is prepared from following materials based on weight:
Silver monomer 50～80;
Methacrylic resin 10～30;
Light trigger 1～5;
2,2,4-trimethyl-1,3 pentanediol list isobutyl 5～15;
Macromolecule dispersing agent 0.5～1.
The preparation method of said photosensitive silver slurry is: with step 2) silver-colored monomer, methacrylic resin, light trigger, the macromolecule dispersing agent mixed grinding of said parts by weight be even.
Negative photoresist is filled in said cathode pattern gap, and this negative photoresist is mixed formulated by following materials based on weight:
Methacrylic resin 80～90;
Light trigger 1～5;
2,2,4-trimethyl-1,3 pentanediol mono isobutyrate 5～15;
Macromolecule dispersing agent 0.5～1.
Said light trigger is 2,4,6-trimethylbenzoyl phenyl-phosphonic acid ethyl ester or 2-methyl isophthalic acid-[4-methyl mercapto phenyl]-2-morpholinyl-1-acetone.
Said macromolecule dispersing agent is a high-molecular block copolymer; Be specially BYK410, BYK140, BYK2025, BYK180 or BYK171.
Said making step 2) gate patterns or making step 4) cathode pattern comprises the steps:
A) on the cathode glass substrate after the clean, through printing one or more layers photosensitive silver slurry preparation silver electrode layer;
B) place baking oven to toast substrate in the step a), baking temperature is that 80～120 ℃, stoving time are 10～40min, natural cooling then;
C) adopt the mask of required grid layer or cathode layer figure to do mask, the substrate behind the above-mentioned mask is placed exposure under the uviol lamp, exposure is 100～800mJ/cm
2
D) substrate of above-mentioned exposure employing mass percent concentration is 0.2～1% Na
2CO
3Solution develops, and development pressure is 1.5kgf/cm
2, developing time is 10～50S, obtains required grid layer or cathode layer figure;
E) with grid after the above-mentioned processing or cathode pattern sintering: be incubated 10～30min down at 500～590 ℃.
The invention has the beneficial effects as follows; Through making cathode emitter 8 is coating one deck photoresist P (like Fig. 3) between the negative electrode gap before on grid layer 5 surfaces; Avoid cathode emitter 8 (being CNT) directly to contact grid layer 5 surfaces, after a negative electrode beam 8 completes (like Fig. 4), when grid layer 5 photomask surface glue p being removed with developer solution; The CNT that its surface possibly occur is also removed simultaneously, and greatly degree has reduced the deposition of CNT on grid layer 5 surfaces.
Bottom-gate FED lower plate structure by the above-mentioned steps making; Through the method for before making emitter, gate surface being protected; Make gate surface thoroughly insulate with cathode surface; After removing photoresist, attach at the CNT on photoresist surface and also remove thereupon, thoroughly solved the grid layer 7 and cathode layer 5 surperficial problem of short-circuit that cause easily when emitter is made.
Description of drawings
Fig. 1 is a Field Emission Display modular construction sketch map;
Fig. 2 causes short circuit sketch map between the negative electrode grid easily for not adopting the gate protection method directly to make emitter;
Fig. 3 is for making one deck gate surface protective layer sketch map before making cathode emitter described in the present invention;
Fig. 4 makes the emitter sketch map after adopting manufacturing grid sealer of the present invention.
Wherein: 1, anode glass substrate; 2, anode conductive layer; 3, fluorescent powder coating; 4, cathode glass substrate; 5, grid layer; 6, cathode resistor layer; 7, cathode layer; 8, cathode emitter; 9, separaant; P, photoresist.
Embodiment
Below in conjunction with specific embodiment the present invention is further specified.Need to prove, below provide preferred embodiment and only be used for the present invention is done detailed explanation, but be not to be used to limit practical range of the present invention that every parameter in technical scheme scope of the present invention selects all to belong to the scope of the present invention's protection.
Embodiment 1
1) preparation photosensitive silver slurry:
This photosensitive silver slurry is by the silver-colored monomer of 60 weight portions, the methacrylic resin of 30 weight portions, the light trigger 2 of 4 weight portions; 4; 2 of 6-trimethylbenzoyl phenyl-phosphonic acid ethyl ester, 5 weight portions; 2, the macromolecule dispersing agent BYK410 mixed grinding of 4-trimethyl-1,3 pentanediol mono isobutyrate and 1 weight portion evenly constitutes;
2) on the cathode glass substrate after the clean 4, adopt above-mentioned steps 1 through photoetching process) described in the figure of photosensitive silver slurry manufacturing grid layer 5;
The step of manufacturing grid layer 5 figure specifically comprises:
A). on the cathode glass substrate 4 after the clean, the photosensitive silver slurry in printing one deck step 1), preparation silver electrode layer;
B). place baking oven to toast substrate in the step a), baking temperature is that 95 ℃, stoving time are 30min, natural cooling then;
C). the mask through required grid layer 5 figures is done mask, and the above-mentioned substrate of doing behind the mask is placed exposure under the uviol lamp, and exposure is 800mJ/cm
2
D). the substrate employing mass percent concentration of above-mentioned exposure is 0.4% Na
2CO
3Solution develops, and development pressure is 1.5kgf/cm
2, developing time is 20S, obtains required grid layer 5 figures;
E). with the sintering in sintering furnace of the substrate after the above-mentioned processing, be incubated 30min down at 500 ℃;
3) on the grid layer of making 5 figures, the two layers of insulation material figure is made in printing, and at 570 ℃ of insulation 20min sintering, as cathode resistor layer 6;
4) on the substrate that step 3) is accomplished, adopt the described photosensitive silver slurry of step 1) to make one deck cathode layer 7 figures, its making step and parameter synchronization rapid 2) through photoetching process;
5) on the substrate that step 4) is accomplished, fill one deck negative photoresist p (as shown in Figure 3);
Negative photoresist is by the methacrylic resin of 80 weight portions, the light trigger 2 of 4 weight portions; 4; 2,2 of 6-trimethylbenzoyl phenyl-phosphonic acid ethyl ester, 15 weight portions, 4-trimethyl-1; The macromolecule dispersing agent BYK410 of 3 pentanediol mono isobutyrates and 1 weight portion mixes formulated; Adopt corresponding through printing forme graphic printing to make the negative photoresist pattern, then the back is filled, printed to this negative photoresist and adopt 90 ℃ of baking 20min, can obtain filling in the cathode layer 7 lines gaps lower plate figure of photoresist p;
6) make cathode emitter 8 (being CNT, as shown in Figure 4): adopt methods such as electrophoresis, printing, photoetching to make cathode emitter 8;
7) on the substrate that step 6) is accomplished, remove photoresist p, directly use 0.2% Na
2CO
3Developer solution solution development 200s removes;
Can obtain complete bottom gate type FED lower substrate structure.
In the present embodiment step 5),, can avoid cathode emitter 8 (being CNT) directly to contact grid layer 5 surfaces in the mode of cathode layer 7 inter-pattern spaces filling one deck photoresist.
In the present embodiment step 6), when with developer solution grid layer 5 photomask surface glue p being removed, the CNT that its surface possibly occur is also removed simultaneously, and greatly degree has reduced the deposition of CNT on grid layer 5 surfaces.
The bottom-gate FED lower plate structure that the present invention is made by above-mentioned steps; Through the method for before making emitter, gate surface being protected; Make gate surface thoroughly insulate with cathode surface; After removing photoresist, attach at the CNT on photoresist surface and also remove thereupon, thoroughly solved the grid layer 7 and cathode layer 5 surperficial problem of short-circuit that cause easily when emitter is made.
Embodiment 2
1) preparation photosensitive silver slurry:
This photosensitive silver is starched by 2 of light trigger 2-methyl isophthalic acid-[4-methyl mercapto the phenyl]-2-morpholinyl-1-acetone of the methacrylic resin of the silver-colored monomer of 80 weight portions, 10 weight portions, 1 weight portion, 8.5 weight portions; 2; The macromolecule dispersing agent BYK180 of 4-trimethyl-1,3 pentanediol mono isobutyrate and 0.5 weight portion forms;
2) on the cathode glass substrate after the clean 4, adopt above-mentioned steps 1 through photoetching process) described in the figure of photosensitive silver slurry manufacturing grid layer 5;
The step 2 of manufacturing grid layer 5 figure) specifically comprise:
A). on the cathode glass substrate 4 after the clean, the photosensitive silver slurry in printing one deck step 1), preparation silver electrode layer;
B). place baking oven to toast substrate in the step a), baking temperature is that 80 ℃, stoving time are 40min, natural cooling then;
C) adopt the mask of required grid layer 5 figures to do mask, the above-mentioned substrate of doing behind the mask is placed uviol lamp under make public, exposure is 500mJ/cm
2
D). the substrate employing mass percent concentration of above-mentioned exposure is 0.2% Na
2CO
3Solution develops, and development pressure is 1.5kgf/cm
2, developing time is 50S, obtains required grid layer 5 figures;
E). with the sintering in sintering furnace of the substrate after the above-mentioned processing, be incubated 10min down at 590 ℃;
3) on the grid layer of making 5 figures, three-layer insulated material figure is made in printing and at 590 ℃ of insulation 30min, sintering is as cathode resistor layer 6;
4) on the substrate that step 3) is accomplished, adopt the described photosensitive silver slurry of step 1) to make one deck cathode layer 7 figures, its making step and parameter synchronization rapid 2) through photoetching process;
5) on the substrate that step 4) is accomplished, fill one deck photoresist p (as shown in Figure 3);
Negative photoresist is by 2 of the methacrylic resin of 90 weight portions, the light trigger 2-methyl isophthalic acid of 1 weight portion-[4-methyl mercapto phenyl]-2-morpholinyl-1-acetone, 8.5 weight portions; 2; 4-trimethyl-1; The macromolecule dispersing agent BYK140 of 3 pentanediol mono isobutyrates and 0.5 weight portion mixes formulated; Adopt the respective graphical through printing forme that negative photoresist directly is printed on the said substrate of step 4) and make pattern filling, then the back is filled, printed to this negative photoresist and adopt 130 ℃ of baking 10min, can obtain filling in the cathode layer 7 lines gaps lower plate figure of photoresist p;
6) make cathode emitter 8 (being CNT, as shown in Figure 4): adopt methods such as electrophoresis, printing, photoetching to make cathode emitter;
7) on the substrate that step 6) is accomplished, remove photoresist p; Directly with 0.3% Na
2CO
3Developer solution solution development 120s removes;
Can obtain complete bottom gate type FED lower substrate structure.
1) preparation photosensitive silver slurry:
This photosensitive silver slurry is by the silver-colored monomer of 50 weight portions, the methacrylic resin of 29 weight portions, the light trigger 2 of 5 weight portions; 4; 2 of 6-trimethylbenzoyl phenyl-phosphonic acid ethyl ester, 15 weight portions; 2, the macromolecule dispersing agent BYK410 of 4-trimethyl-1,3 pentanediol mono isobutyrate and 1 weight portion mixes formation;
2) on the cathode glass substrate after the clean 4, adopt above-mentioned steps 1 through photoetching process) described in photosensitive silver slurry manufacturing grid layer 5 figure;
The step of manufacturing grid layer 5 figure specifically comprises:
A). on the cathode glass substrate 4 after the clean, the photosensitive silver slurry in printing one deck step 1), preparation silver electrode layer;
B). place baking oven to toast substrate in the step a), baking temperature is that 120 ℃, stoving time are 10min, natural cooling then;
C). adopt the mask of required grid layer 5 figures to do mask, the above-mentioned substrate of doing behind the mask is placed exposure under the uviol lamp, exposure is 100mJ/cm
2
D). the substrate employing mass percent concentration of above-mentioned exposure is 1% Na
2CO
3Solution develops, and development pressure is 1.5kgf/cm
2, developing time is 10S, obtains required grid layer 5 figures;
E). with the sintering in sintering furnace of the substrate after the above-mentioned processing, be incubated 20min down at 550 ℃;
3) on the grid layer of making 5 figures, printing is made one deck insulating material figure and is incubated the 25min sintering as cathode resistor layer 6 at 530 ℃;
4) on the substrate that step 3) is accomplished, adopt the described photosensitive silver slurry of step 1) to make one deck cathode layer 7 figures, its making step and parameter synchronization rapid 2) through photoetching process;
5) on the substrate that step 4) is accomplished, fill one deck photoresist p (as shown in Figure 3);
Negative photoresist is by the methacrylic resin of 86 weight portions, the light trigger 2 of 5 weight portions; 4; 2,2 of 6 (trimethylbenzoyl) phosphinic acid ethyl ester, 8.2 weight portions, 4-trimethyl-1; The macromolecule dispersing agent BYK2025 of 3 pentanediol mono isobutyrates and 0.8 weight portion mixes formulated; Adopt the respective graphical through printing forme that negative photoresist directly is printed on the said substrate of step 4) and make pattern filling, then the back is filled, printed to this negative photoresist and adopt 100 ℃ of baking 30min, can obtain filling in the cathode layer 7 lines gaps lower plate figure of photoresist p;
6) make cathode emitter 8 (being CNT, as shown in Figure 4): adopt methods such as electrophoresis, printing, photoetching to make cathode emitter;
7) on the substrate that step 6) is accomplished, remove photoresist p; Directly with 0.4% Na
2CO
3Developer solution solution development 30s removes;
Can obtain complete bottom gate type FED lower substrate structure.
Embodiment 4
1) preparation photosensitive silver slurry:
This photosensitive silver is starched by 2 of light trigger 2-methyl isophthalic acid-[4-methyl mercapto the phenyl]-2-morpholinyl-1-acetone of the methacrylic resin of the silver-colored monomer of 60 weight portions, 30 weight portions, 4 weight portions, 5 weight portions; 2; The macromolecule dispersing agent BYK410 mixed grinding of 4-trimethyl-1,3 pentanediol mono isobutyrate and 1 weight portion evenly constitutes;
Above-mentioned macromolecule dispersing agent or employing BYK180 or BYK171.
2) on the cathode glass substrate after the clean 4, adopt above-mentioned steps 1 through photoetching process) described in photosensitive silver slurry manufacturing grid layer 5 figure;
The step of manufacturing grid figure 5 specifically comprises:
A). on the cathode glass substrate 4 after the clean, the photosensitive silver slurry in printing one deck step 1), preparation silver electrode layer;
B). place baking oven to toast substrate in the step a), baking temperature is that 120 ℃, stoving time are 10min, natural cooling then;
C). adopt the mask of required grid layer 5 figures to do mask, the above-mentioned substrate of doing behind the mask is placed exposure under the uviol lamp, exposure is 100mJ/cm
2
D). the substrate employing mass percent concentration of above-mentioned exposure is 0.2% Na
2CO
3Solution develops, and development pressure is 1.5kgf/cm
2, developing time is 10S, obtains required grid layer 5 figures;
E). with the sintering in sintering furnace of the substrate after the above-mentioned processing, be incubated 30min down at 530 ℃;
3) on the grid layer of making 5 figures, printing is made the two layers of insulation material figure and is incubated 20 sintering as cathode resistor layer 6 at 570 ℃;
4) on the substrate that step 3) is accomplished, adopt the described photosensitive silver slurry of step 1) to make one deck cathode layer 7 figures, its making step parameter synchronization rapid 2) through photoetching process;
5) on the substrate that step 4) is accomplished, fill one deck photoresist p (as shown in Figure 3);
Wherein, Negative photoresist is by 2 of light trigger 2,4,6 (trimethylbenzoyl) phosphinic acid ethyl ester of the methacrylic resin of 89 weight portions, 5 weight portions, 5 weight portions; 2; The macromolecule dispersing agent BYK180 of 4-trimethyl-1,3 pentanediol mono isobutyrate and 1 weight portion mixes formulated, adopts the respective graphical through printing forme that negative photoresist directly is printed on the said substrate of step 4) and makes pattern filling; Then the back is filled, printed to this negative photoresist and adopt 90 ℃ of baking 20min, can obtain filling in the cathode layer 7 lines gaps lower plate figure of photoresist p;
6) make cathode emitter 8 (being CNT, as shown in Figure 4): adopt methods such as electrophoresis, printing, photoetching to make cathode emitter;
7) on the substrate that step 6) is accomplished, remove photoresist p; Directly with 1% Na
2CO
3Developer solution solution development 10s removes;
Can obtain complete bottom gate type FED lower substrate structure.
Claims (5)
1. method of utilizing negative photoresist to make bottom-gate FED lower plate graphics is characterized in that this method realizes through following steps:
1) preparation photosensitive silver slurry; With silver-colored monomer, methacrylic resin, the light trigger, 2,2 of parts by weight, 4-trimethyl-1,3 pentanediol mono isobutyrate and macromolecule dispersing agent mixed grinding are even;
2) on the cathode glass substrate after the clean (4), adopt the figure of photosensitive silver slurry manufacturing grid layer (5) in the step 1) through photoetching process;
3) on the grid layer of making (5), one or more layers insulating barrier figure is made in printing, and at 530～590 ℃, sintering 20～30min obtains cathode resistor layer (6);
4) go up the figure that adopts photosensitive silver slurry making one deck cathode layer (7) through photoetching process at above-mentioned cathode resistor layer (6);
5) in above-mentioned steps 4) fill one deck negative photoresist (p) on the substrate accomplished:
When adopting negative photoresist to fill the negative electrode gap, directly use on the through printing forme printing Zhiyin clearance between poles of respective graphical with print process after, in 90～130 ℃ of drying 10～30min;
6) make cathode emitter (8), promptly CNT adopts electrophoresis, printing, photoetching method to make cathode emitter (8);
7) remove photoresist (p): filler is a negative photoresist, directly uses 0.2～1% Na
2CO
3Developing liquid developing 10～200s removes;
Can obtain complete bottom gate type FED lower substrate structure.
2. a kind of method of utilizing negative photoresist to make bottom-gate FED lower plate graphics according to claim 1 is characterized in that, said photosensitive silver slurry is prepared from following materials based on weight:
Silver monomer 50～80;
Methacrylic resin 10～30;
Light trigger 1～5;
2,2,4-trimethyl-1,3 pentanediol mono isobutyrate 5～15;
Macromolecule dispersing agent 0.5～1.
3. a kind of method of utilizing negative photoresist to make bottom-gate FED lower plate graphics according to claim 1 is characterized in that, said filling negative photoresist, and this negative photoresist is mixed formulated by following materials based on weight:
Methacrylic resin 80～90;
Light trigger 1～5;
2,2,4-trimethyl-1,3 pentanediol mono isobutyrate 5～15;
Macromolecule dispersing agent 0.5～1.
4. according to claim 2 or 3 described a kind of methods of utilizing negative photoresist to make bottom-gate FED lower plate graphics; It is characterized in that; Said light trigger is 2,4,6-trimethylbenzoyl phenyl-phosphonic acid ethyl ester or 2-methyl isophthalic acid-[4-methyl mercapto phenyl]-2-morpholinyl-1-acetone.
5. a kind of method of utilizing negative photoresist to make bottom-gate FED lower plate graphics according to claim 1 is characterized in that, said manufacturing grid layer (5) figure or making cathode layer (7) figure comprise the steps:
A) on the cathode glass substrate after the clean (4), through printing one or more layers photosensitive silver slurry preparation silver electrode layer;
B) place baking oven to toast substrate in the step a), baking temperature is that 80～120 ℃, stoving time are 10～40min, natural cooling then;
C) adopt the mask of required grid layer (5) or cathode layer (7) figure to do mask, the above-mentioned substrate of doing behind the mask is placed exposure under the uviol lamp, exposure is 100～800mJ/cm
2
D) substrate of above-mentioned exposure employing mass percent concentration is 0.2～1% Na
2CO
3Solution develops, and development pressure is 1.5kgf/cm
2, developing time is 10～50S, obtains required grid layer (5) or cathode layer (7) figure;
E) with grid after the above-mentioned processing or cathode pattern sintering: be incubated 10～30min down at 500～590 ℃.
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| CN2010101213685A CN101984505B (en) | 2010-03-10 | 2010-03-10 | Method for manufacturing bottom-bar type FED (field emission display) lower board graph by negative photoresist |
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|---|---|---|---|
| CN2010101213685A CN101984505B (en) | 2010-03-10 | 2010-03-10 | Method for manufacturing bottom-bar type FED (field emission display) lower board graph by negative photoresist |
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|---|---|
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| CN101984505B true CN101984505B (en) | 2012-05-23 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661753A (en) * | 2004-02-23 | 2005-08-31 | 东元奈米应材股份有限公司 | Method for forming totem of Nano carbon tubes |
| CN101515525A (en) * | 2009-03-24 | 2009-08-26 | 彩虹集团公司 | Manufacture method for bottom-gate FED lower plate graphics |
| CN101620969A (en) * | 2009-05-22 | 2010-01-06 | 彩虹集团公司 | Lower base plate for printed type field emission display (FED) and manufacturing method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661753A (en) * | 2004-02-23 | 2005-08-31 | 东元奈米应材股份有限公司 | Method for forming totem of Nano carbon tubes |
| CN101515525A (en) * | 2009-03-24 | 2009-08-26 | 彩虹集团公司 | Manufacture method for bottom-gate FED lower plate graphics |
| CN101620969A (en) * | 2009-05-22 | 2010-01-06 | 彩虹集团公司 | Lower base plate for printed type field emission display (FED) and manufacturing method thereof |
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