CN104881168A - Silk-screen printing type multi-point OGS (one glass solution) touch screen manufacturing method - Google Patents
Silk-screen printing type multi-point OGS (one glass solution) touch screen manufacturing method Download PDFInfo
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Abstract
The invention relate to the technical field of touch screens, in particular to a silk-screen printing type multi-point OGS (one glass solution) touch screen manufacturing method. The method includes the steps: forming an ITO (indium tin oxide) conducting layer in a visible range of a substrate by electroplating, and etching an ITO conducting pattern layer; forming a black frame layer and a BM ink layer by silk-screen printing, and filling black conducting materials in first through holes; forming a conducting material layer by silk-screen printing; sequentially forming an insulation ink layer and a shading ink layer by silk-screen printing; forming a conducting silver paste layer by silk-screen printing; forming a covering ink layer by silk-screen printing. By electroplating and etching of the ITO conducting pattern layer and silk-screen printing of other layers on the substrate, different conducting layers are communicated through conducting materials filled in the through holes, conducting circuits can be distributed on different layers and then connected together, and accordingly wire distribution space is increased, wire width and distance in wire distribution can be increased, wire distribution difficulty is lowered, and low machining requirements, yield improvement, simplicity and convenience in manufacturing and cost reduction are realized.
Description
technical field:
The present invention relates to touch screen technology field, particularly relate to a kind of screen printing brush multiple spot OGS touch screen method for making.
background technology:
Touch-screen (Touch panel) is also called touch screen, contact panel, is particulate metal conductive materials sticking layer of transparent at glass surface.When finger touch on the metal layer time, the electric capacity of contact will change, and the oscillator frequency be attached thereto is changed, by survey frequency change can determine touch location obtain information.
Existing OGS touch screen directly arranges ITO conductive pattern layer and conducting wire on substrate, the circuit of ITO conductive pattern layer and conducting wire all cloth on the same layer and all cloth in visible area, wiring space is little, during wiring require live width and distance between centers of tracks all smaller, increase wiring difficulty, high to processing request, reduce yields, make complicated, cost is high.
summary of the invention:
Object of the present invention be exactly the deficiency that exists for prior art and provide a kind of make simple and convenient, improve the screen printing brush multiple spot OGS touch screen method for making of yields.
To achieve these goals, the technical solution used in the present invention is:
Screen printing brush multiple spot OGS touch screen method for making, substrate formed non-visible area, be arranged in the visible area of non-visible area, described method includes following steps:
A, on the visible area of substrate, electroplate one deck ITO conductive layer;
B, ITO conductive layer etches conducting wire form ITO conductive pattern layer;
C, periphery silk-screen one deck dark border layer in ITO conductive pattern layer, dark border layer presets several tie points, and forms multiple first through hole in those tie point position hollow outs;
D, in the first through hole, fill black conductive thing, make the lower end of black conductive thing contact conducting with ITO conductive pattern layer, and the upper end of black conductive thing protrudes out dark border layer upper surface;
E, on the non-visible area and dark border layer of substrate silk-screen one deck BM ink layer, the position hollow out that BM ink layer is positioned at the first through hole makes the upper end of black conductive thing protrude out to the upper surface of BM ink layer;
F, on BM ink layer, silk-screen one deck forms the conductive material layer of conducting wire, makes the upper-end contact conducting of conductive material layer and black conductive thing;
G, on BM ink layer, silk-screen covers insulating oil layer of ink, the black-out ink layer above conductive material layer successively, several tie points are preset in the upper position in visual limit of insulating oil layer of ink, and insulating oil layer of ink and black-out ink layer form multiple second through hole in those equal hollow outs in tie point position;
H, in black-out ink layer silk-screened conductive silver slurry layer, the conductive silver paste material of conductive silver slurry layer is flowed in the second through hole and forms conductive connection part, the lower end of conductive connection part is connected conducting with conductive material layer;
I, in black-out ink layer, silk-screen covers the covering ink layer above conductive silver slurry layer.
BM ink layer described in step e comprises one deck black ink layer and two-layer white ink layer.
The conductive material of the conductive material layer described in step F is silver slurry or carbon slurry.
Black-out ink layer described in step G and covering ink layer all adopt black dielectric ink.
Described substrate is glass plate, acrylic board or transparent PC plate.
Conductive silver slurry layer described in step H includes for binding the connecting electrode group be connected, the many conductive silver paste lines being disposed side by side on non-visible area front position with FPC, connecting electrode group is positioned at the position of rear end, non-visible area, every bar conductive silver paste line is connected with connecting electrode group respectively by connection silver slurry line, the rear end of ITO conductive pattern layer is connected with connecting electrode group, the front end of ITO conductive pattern layer is connected by black conductive thing with between conductive material layer, and every bar conductive silver paste line is connected with conductive material layer respectively by conductive connection part.
Described conductive material layer includes many conductive connectings longitudinally arranged, and the rear end of every bar conductive connecting is corresponding to be respectively connected with a black conductive thing; Conductive silver paste line is transversely arranged, and every bar conductive silver paste line is at least distributed with a conductive connection part, and the front end of every bar conductive connecting is corresponding to be respectively connected with a conductive connection part.
Adjacent two conductive connection parts stagger mutually.
Wherein a part connects the position that the silver slurry position of line respectively on the left of non-visible area extends to rear end, non-visible area, and another part connects the position that the silver slurry position of line respectively on the right side of non-visible area extends to rear end, non-visible area.
Beneficial effect of the present invention is: the present invention includes following steps: A, on the visible area of substrate, electroplate one deck ITO conductive layer; B, ITO conductive layer etches conducting wire form ITO conductive pattern layer; C, periphery silk-screen one deck dark border layer in ITO conductive pattern layer; D, in the first through hole, fill black conductive thing; E, on the non-visible area and dark border layer of substrate silk-screen one deck BM ink layer; F, on BM ink layer, silk-screen one deck forms the conductive material layer of conducting wire, makes the upper-end contact conducting of conductive material layer and black conductive thing; G, on BM ink layer, silk-screen covers insulating oil layer of ink, the black-out ink layer above conductive material layer successively; H, in black-out ink layer silk-screened conductive silver slurry layer, the conductive silver paste material of conductive silver slurry layer is flowed in the second through hole and forms conductive connection part, the lower end of conductive connection part is connected conducting with conductive material layer; I, in black-out ink layer, silk-screen covers the covering ink layer above conductive silver slurry layer; The present invention directly electroplates and etches ITO conductive pattern layer and other each layer of silk-screen on substrate, and by arranging through hole and at filling through hole conductive material, the conductive layer of different layers being connected conducting, conducting wire can be distributed on the different layers and then couple together, increase wiring space, the live width of wiring and distance between centers of tracks can be larger, reduce wiring difficulty, low to processing request, improve yields, make simple and convenient, reduce costs.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of substrate of the present invention.
Fig. 3 is the structural representation that silk-screen of the present invention has dark border layer.
Fig. 4 is wire structures schematic diagram of the present invention.
Fig. 5 is the enlarged drawing at A place in Fig. 4.
Fig. 6 is the enlarged drawing at B place in Fig. 4.
embodiment:
Below in conjunction with accompanying drawing, the present invention is further illustrated, sees shown in Fig. 1 ~ 6, screen printing brush multiple spot OGS touch screen method for making, and substrate 1 formed non-visible area 11, be arranged in the visible area 12 of non-visible area 11, method of the present invention includes following steps:
A, on the visible area 12 of substrate 1, electroplate one deck ITO conductive layer;
B, ITO conductive layer etches conducting wire form ITO conductive pattern layer 2;
C, periphery silk-screen one deck dark border layer 3 in ITO conductive pattern layer 2, dark border layer 3 presets several tie points, and forms multiple first through hole 31 in those tie point position hollow outs;
D, in the first through hole 31, fill black conductive thing 10, make the lower end of black conductive thing 10 contact conducting with ITO conductive pattern layer 2, and the upper end of black conductive thing 10 protrudes out dark border layer 3 upper surface;
E, the position hollow out that silk-screen one deck BM ink layer 4, BM ink layer 4 is positioned at the first through hole 31 on the non-visible area 11 and dark border layer 3 of substrate 1 make the upper end of black conductive thing 10 protrude out to the upper surface of BM ink layer 4;
F, on BM ink layer 4, silk-screen one deck forms the conductive material layer 5 of conducting wire, makes the upper-end contact conducting of conductive material layer 5 and black conductive thing 10;
G, on BM ink layer 4, silk-screen covers insulating oil layer of ink 6, the black-out ink layer 7 above conductive material layer 5 successively, several tie points are preset in position insulating oil layer of ink 6 being arranged in visual limit, and insulating oil layer of ink 6 and black-out ink layer 7 form multiple second through hole 61 in those equal hollow outs in tie point position;
H, in black-out ink layer 7 silk-screened conductive silver slurry layer 8, the conductive silver paste material of conductive silver slurry layer 8 is flowed in the second through hole 61 and forms conductive connection part 80, the lower end of conductive connection part 80 is connected conducting with conductive material layer 5;
I, in black-out ink layer 7, silk-screen covers the covering ink layer 9 above conductive silver slurry layer 8.
BM ink layer 4 in step e comprises one deck black ink layer and two-layer white ink layer, and protected effect is better.For not needing the position be connected between ITO conductive pattern layer 2 with conductive material layer 5, both are kept apart.The conductive material of the conductive material layer 5 in step F is silver slurry or carbon slurry, and conductive effect is good.Black-out ink layer in step G 7 and cover ink layer 9 and all adopts black dielectric ink, shading and insulation effect better, covering ink also plays the effect of insulation except the effect playing covering.Substrate 1 is glass plate, acrylic board or transparent PC plate, and in the present embodiment, substrate 1 is glass plate.
Conductive silver slurry layer 8 described in step H includes for binding with FPC the connecting electrode group 81 be connected, be disposed side by side on many conductive silver paste lines 82 of non-visible area 11 front position, connecting electrode group 81 is positioned at the position of rear end, non-visible area 11, every bar conductive silver paste line 82 is connected with connecting electrode group 81 respectively by connection silver slurry line 83, the rear end of ITO conductive pattern layer 2 is connected with connecting electrode group 81, the front end of ITO conductive pattern layer 2 is connected by black conductive thing 10 with between conductive material layer 5, every bar conductive silver paste line 82 is connected with conductive material layer 5 respectively by conductive connection part 80, the present invention utilizes conductive silver slurry layer 8 to make ITO conductive pattern layer 2 can by rear and front end subregion cabling, then conductive material layer 5 is utilized, black conductive thing 10, conductive connection part 80 will be positioned at the ITO conductive pattern layer 2 of different layers, conductive silver slurry layer 8 connects conducting, increase wiring space, live width and the distance between centers of tracks of wiring can be larger, reduce wiring difficulty, low to processing request, improve yields, make simple and convenient, reduce costs.
Conductive material layer 5 includes many conductive connectings 51 longitudinally arranged, and the rear end of every bar conductive connecting 51 is corresponding to be respectively connected with a black conductive thing 10; Conductive silver paste line 82 is transversely arranged, and every bar conductive silver paste line 82 is at least distributed with a conductive connection part 80, and the front end of every bar conductive connecting 51 is corresponding to be respectively connected with a conductive connection part 80, wiring is convenient, improves wiring efficiency.Adjacent two conductive connection parts 80 stagger mutually, facilitate conductive connecting 51 to connect up, and make can not intersect between conductive connecting 51 and overlap.
Wherein a part connects the position that the silver slurry position of line 83 respectively on the left of non-visible area 11 extends to rear end, non-visible area 11, another part connects the position that the silver slurry position of line 83 respectively on the right side of non-visible area 11 extends to rear end, non-visible area 11, connect silver slurry line 83 by both sides, non-visible area 11 cabling, increase wiring space, live width and the distance between centers of tracks of wiring can be larger, reduce wiring difficulty.
The present invention directly electroplates on substrate 1 and etches ITO conductive pattern layer 2 and other each layer of silk-screen, and by arranging through hole and at filling through hole conductive material, the conductive layer of different layers being connected conducting, conducting wire can be distributed on the different layers and then couple together, increase wiring space, the live width of wiring and distance between centers of tracks can be larger, reduce wiring difficulty, low to processing request, improve yields, make simple and convenient, reduce costs.
Certainly, the above is only preferred embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (9)
1. screen printing brush multiple spot OGS touch screen method for making, substrate formed non-visible area, be arranged in the visible area of non-visible area, it is characterized in that, described method includes following steps:
A, on the visible area of substrate, electroplate one deck ITO conductive layer;
B, ITO conductive layer etches conducting wire form ITO conductive pattern layer;
C, periphery silk-screen one deck dark border layer in ITO conductive pattern layer, dark border layer presets several tie points, and forms multiple first through hole in those tie point position hollow outs;
D, in the first through hole, fill black conductive thing, make the lower end of black conductive thing contact conducting with ITO conductive pattern layer, and the upper end of black conductive thing protrudes out dark border layer upper surface;
E, on the non-visible area and dark border layer of substrate silk-screen one deck BM ink layer, the position hollow out that BM ink layer is positioned at the first through hole makes the upper end of black conductive thing protrude out to the upper surface of BM ink layer;
F, on BM ink layer, silk-screen one deck forms the conductive material layer of conducting wire, makes the upper-end contact conducting of conductive material layer and black conductive thing;
G, on BM ink layer, silk-screen covers insulating oil layer of ink, the black-out ink layer above conductive material layer successively, several tie points are preset in the upper position in visual limit of insulating oil layer of ink, and insulating oil layer of ink and black-out ink layer form multiple second through hole in those equal hollow outs in tie point position;
H, in black-out ink layer silk-screened conductive silver slurry layer, the conductive silver paste material of conductive silver slurry layer is flowed in the second through hole and forms conductive connection part, the lower end of conductive connection part is connected conducting with conductive material layer;
I, in black-out ink layer, silk-screen covers the covering ink layer above conductive silver slurry layer.
2. screen printing according to claim 1 brush multiple spot OGS touch screen method for making, is characterized in that: the BM ink layer described in step e comprises one deck black ink layer and two-layer white ink layer.
3. screen printing according to claim 1 brush multiple spot OGS touch screen method for making, is characterized in that: the conductive material of the conductive material layer described in step F is silver slurry or carbon slurry.
4. screen printing according to claim 1 brush multiple spot OGS touch screen method for making, is characterized in that: the black-out ink layer described in step G and covering ink layer all adopt black dielectric ink.
5. screen printing according to claim 1 brush multiple spot OGS touch screen method for making, is characterized in that: described substrate is glass plate, acrylic board or transparent PC plate.
6. the brush multiple spot OGS touch screen of the screen printing according to claim 1 ~ 5 any one method for making, it is characterized in that: the conductive silver slurry layer described in step H includes for binding with FPC the connecting electrode group be connected, be disposed side by side on many conductive silver paste lines of non-visible area front position, connecting electrode group is positioned at the position of rear end, non-visible area, every bar conductive silver paste line is connected with connecting electrode group respectively by connection silver slurry line, the rear end of ITO conductive pattern layer is connected with connecting electrode group, the front end of ITO conductive pattern layer is connected by black conductive thing with between conductive material layer, every bar conductive silver paste line is connected with conductive material layer respectively by conductive connection part.
7. screen printing according to claim 6 brush multiple spot OGS touch screen method for making, it is characterized in that: described conductive material layer includes many conductive connectings longitudinally arranged, the rear end of every bar conductive connecting is corresponding to be respectively connected with a black conductive thing; Conductive silver paste line is transversely arranged, and every bar conductive silver paste line is at least distributed with a conductive connection part, and the front end of every bar conductive connecting is corresponding to be respectively connected with a conductive connection part.
8. screen printing according to claim 7 brush multiple spot OGS touch screen method for making, is characterized in that: adjacent two conductive connection parts stagger mutually.
9. screen printing according to claim 6 brush multiple spot OGS touch screen method for making, it is characterized in that: wherein a part connects the position that the silver slurry position of line respectively on the left of non-visible area extends to rear end, non-visible area, another part connects the position that the silver slurry position of line respectively on the right side of non-visible area extends to rear end, non-visible area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510152456.4A CN104881168A (en) | 2015-04-02 | 2015-04-02 | Silk-screen printing type multi-point OGS (one glass solution) touch screen manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510152456.4A CN104881168A (en) | 2015-04-02 | 2015-04-02 | Silk-screen printing type multi-point OGS (one glass solution) touch screen manufacturing method |
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| CN104881168A true CN104881168A (en) | 2015-09-02 |
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| CN201510152456.4A Pending CN104881168A (en) | 2015-04-02 | 2015-04-02 | Silk-screen printing type multi-point OGS (one glass solution) touch screen manufacturing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106293298A (en) * | 2016-08-15 | 2017-01-04 | 京东方科技集团股份有限公司 | Touch display substrate and preparation method thereof, touch control display apparatus |
| CN106583940A (en) * | 2016-12-12 | 2017-04-26 | 晟光科技股份有限公司 | OGS touch screen silver paste laser etching method capable of eliminating micro short circuit |
| CN110364322A (en) * | 2019-07-17 | 2019-10-22 | 东莞福哥电子有限公司 | A kind of production method of contact swept resistance piece |
-
2015
- 2015-04-02 CN CN201510152456.4A patent/CN104881168A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106293298A (en) * | 2016-08-15 | 2017-01-04 | 京东方科技集团股份有限公司 | Touch display substrate and preparation method thereof, touch control display apparatus |
| CN106293298B (en) * | 2016-08-15 | 2018-11-20 | 京东方科技集团股份有限公司 | Touch display substrate and preparation method thereof, touch control display apparatus |
| CN106583940A (en) * | 2016-12-12 | 2017-04-26 | 晟光科技股份有限公司 | OGS touch screen silver paste laser etching method capable of eliminating micro short circuit |
| CN110364322A (en) * | 2019-07-17 | 2019-10-22 | 东莞福哥电子有限公司 | A kind of production method of contact swept resistance piece |
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Application publication date: 20150902 |