CN202177886U - Integrated type capacitance touch screen with less thickness, high light transmittance and low cost - Google Patents
Integrated type capacitance touch screen with less thickness, high light transmittance and low cost Download PDFInfo
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- CN202177886U CN202177886U CN201120314002XU CN201120314002U CN202177886U CN 202177886 U CN202177886 U CN 202177886U CN 201120314002X U CN201120314002X U CN 201120314002XU CN 201120314002 U CN201120314002 U CN 201120314002U CN 202177886 U CN202177886 U CN 202177886U
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Abstract
The utility model relates to an integrated type capacitance touch screen with less thickness, high light transmittance and low cost. The integrated type capacitance touch screen comprises a COVERLENS substrate layer, an ITO (indium tin oxide) pattern layer, an insulating layer, a conductive layer, a protective layer and an FPC (flexible printed circuit) component bound on the COVERLENS substrate layer, wherein the ITO pattern layer is sputtered on the bottom surface of the COVERLENS substrate layer; ITO function patterns are processed on the ITO pattern layer; the insulating layer is sputtered on the bottom surface of the ITO pattern layer; the conductive layer is sputtered on the bottom surface of the insulating layer; the protective layer is plated on the bottom surface of the conductive layer; and the FPC component is bound on the bottom surface of the COVERLENS substrate layer and is conducted with the ITO function patterns.
Description
Technical field
The present invention relates to the capacitive touch screen technical field, be specifically related to integrated form electric capacity touch screen.
Background technology
Touch-screen is the compound glass screen that is used on the electronic products such as mobile phone, e-book, digital camera; Wherein capacitance type touch control screen is the most frequently used a kind of in the touch screen; Its operating principle is to utilize the induction by current of human body to carry out work; The user touches touch screen through finger or felt pen and produces change in electric, realizes controlling electronic product.As shown in Figure 1; The conventional condenser touch screen generally includes following main element: functional layer, COVER LENS substrate layer, OCA glue-line that functional layer is shielded and being used to calculates the FPC assembly that the mainboard processor is given in touch point and repayment; Wherein functional layer comprises ITO SENSORS function substrate, ITO patterned layer, insulation course, conductive layer and protective seam again; The OCA glue-line fits together COVER LENS substrate layer and ITO SENSORS function substrate; Be processed with the ITO function pattern that is used to realize capacitive touch function on the ITO patterned layer, the FPC assembly is bundled on the ITO SENSORS function substrate through the ACF side of leading property double faced adhesive tape.This capacitance type touch control screen comprises functional layer, COVER LENS substrate layer and OCA glue-line three-decker from structure; Thickness is thicker, transmittance is low, production process is comparatively loaded down with trivial details; Be unfavorable for reducing manpower and material cost, and power consumption is higher when using on portable type electronic product.In addition, the COVER LENS substrate layer of this conventional condenser touch screen fits together with ITO SENSORS function substrate through the OCA glue-line, and between produces bubble easily, influences the product yield.
Summary of the invention
In view of this; Technical matters to be solved by this invention provides the integrated form electric capacity touch screen of a kind of simple in structure, thin thickness, the high and low power consumption of transmittance, and the integrated form electric capacity touch screen method for making that a kind of operation is simple and easy, workable, help promoting the capacitive touch screen production capacity is provided.
For solving above technical matters; Technical scheme provided by the invention is: a kind of integrated form electric capacity touch screen; Comprise COVER LENS substrate layer, ITO patterned layer, insulation course, conductive layer, protective seam and be bundled in the FPC assembly on the COVER LENS substrate layer, the direct sputter of said ITO patterned layer is in COVER LENS substrate layer bottom surface, and the ITO patterned layer is processed with the ITO function pattern that is used to realize capacitive touch function; Said insulation course sputter is in ITO patterned layer bottom surface; Said conductive layer sputter is in the insulation course bottom surface, and said conductive layer bottom surface also is coated with protective seam, said FPC component binding in COVER LENS substrate layer bottom surface and with the conducting of ITO function pattern.
Being used on the above-mentioned ITO of the being machined in patterned layer realized the ITO function pattern of capacitive touch function, processes through common process such as sputter, exposure, development, etchings.
The present invention comes down to the ITO function pattern of realizing capacitive touch function directly is processed in COVER LENS substrate layer bottom surface, the function of script functional layer is integrated on the COVER LENS substrate layer, thereby saves OCA glue-line and ITO SENSORS function substrate.The integral thickness that this not only can significantly reduce capacitive touch screen also makes light source send the process of back arrival human eye from LCD, only passes through the loss of COVER LENS substrate layer, thereby significantly improves transmittance, reduces the power consumption of portable type electronic product.And ITO function pattern is set directly at COVER LENS substrate layer bottom surface; Save and make the necessary bonding process of traditional capacitance touch screen; Help simplifying production process, improve yields, and can reduce the spending on bonding process equipment, reduce operating cost.
Further, for more effectively protecting ITO function pattern, insulation course and conductive layer, strengthen shielding action, said protective seam is preferably SiO
2Diaphragm.
In order to produce above-mentioned integrated form electric capacity touch screen, the present invention also provides a kind of integrated form electric capacity touch screen method for making, may further comprise the steps:
One, get glass substrate cleaning after, through tempering, baking, cleaning, again glass substrate is cut into the COVER LENS substrate layer of preliminary dimension specification;
Two, the COVER LENS substrate layer that step 1 is made after cleaning, baking, its bottom surface sputter ITO film again;
Three, on the ITO film, process the ITO function pattern that needs according to the preset function pattern, make the ITO patterned layer of direct sputter in COVER LENS substrate layer bottom surface;
Four, the sputter insulation course in ITO patterned layer bottom surface, and process predetermined pattern at insulation course; The conducting layer sputtering in the insulation course bottom surface, and process predetermined pattern at conductive layer; Armor coated in the conductive layer bottom surface;
Five, with the FPC component binding on COVER LENS substrate layer.
In the above-mentioned steps one, glass substrate is put into the annealing furnace tempering, and is toasted, cleans, cuts according to conventional way after cleaning.After the glass substrate cutting, carve and clean, toast through CNC, carry out silk-screen, oven dry again, the COVER LENS substrate layer of processing the preliminary dimension specification at last is for use.
Two kinds of above-mentioned steps; Directly with ITO film sputter in COVER LENS substrate layer bottom surface; And on the ITO film, process the ITO function pattern that needs according to the preset function pattern; Be that the ITO function pattern that will realize capacitive touch function directly is processed in COVER LENS layer bottom surface through the ITO film of sputter in COVER LENS substrate layer bottom surface; The function of script functional layer is integrated on the COVER LENS substrate layer, saves OCA glue-line and ITO SENSORS function substrate, significantly reduce integral thickness, the raising transmittance of capacitive touch screen.Processing ITO function pattern adopts the conventional way in the industry to get final product on the ITO film,, makes to have preset ITO function pattern on the ITO film through operations such as applying glue, development, exposure, etching, stripping glue according to predetermined pattern.
Step 3, four, five all can be with reference to conventional way in the industry.
The topmost innovative point of this integrated form electric capacity touch screen method for making is sputter ITO film in COVER LENS substrate layer bottom surface; And on the ITO film, process the ITO function pattern that needs according to the preset function pattern, make ITO function pattern be set directly at COVER LENS substrate layer bottom surface.
According to actual needs, carry out after can glass substrate cutting action in the above-mentioned steps one being adjusted at step 4, also promptly after the armor coated operation in conductive layer bottom surface, again glass substrate is cut into the COVER LENS substrate layer of preliminary dimension specification.After the adjustment, above-mentioned integrated form electric capacity touch screen method for making is according to following steps:
One, get glass substrate cleaning after, through tempering, baking, cleaning;
Two, the glass substrate bottom surface sputter ITO film after handling through step 1;
Three, on the ITO film, process the ITO function pattern that needs according to the preset function pattern, make the ITO patterned layer of direct sputter in glass-based flaggy bottom surface;
Four, the sputter insulation course in ITO patterned layer bottom surface, and process predetermined pattern at insulation course; The conducting layer sputtering in the insulation course bottom surface, and process predetermined pattern at conductive layer; Armor coated in the conductive layer bottom surface, again glass substrate is cut into the COVER LENS substrate layer of preliminary dimension specification;
Five, with the FPC component binding on COVER LENS substrate layer.
Compared with prior art; The advantage that the present invention has is: 1, integrated form electric capacity touch screen disclosed by the invention is set directly at COVER LENS layer bottom surface with ITO function pattern; The function of script functional layer is integrated on the COVER LENS substrate layer; Thereby can save OCA glue-line and ITO SENSORS function substrate, can significantly reduce the integral thickness of capacitive touch screen, adapt to the small and exquisite frivolous market demand of portable type electronic product.2, integrated form electric capacity touch screen disclosed by the invention makes light source send the process of back arrival human eye from LCD, only through COVER LENS substrate layer, thereby significantly improves transmittance, has reduced the power consumption of portable type electronic product.3 integrated form electric capacity touch screens disclosed by the invention are set directly at COVER LENS substrate layer bottom surface with ITO function pattern; Save and make the necessary bonding process of traditional capacitance touch screen; Simplify production process, can reduce the spending on bonding process equipment, can also reduce operating cost.4, integrated form electric capacity touch screen method for making disclosed by the invention is saved and is made the necessary bonding process of traditional capacitance touch screen, and operation is simple, workable, help promoting the capacitive touch screen production capacity.
Description of drawings
Fig. 1 is a traditional capacitance touch screen structural representation;
Fig. 2 is an integrated form electric capacity touch screen structural representation of the present invention.
Embodiment
Below will combine accompanying drawing and embodiment that the present invention is explained in further detail for the ease of it will be appreciated by those skilled in the art that.
As shown in Figure 2; A kind of integrated form electric capacity touch screen; Comprise COVER LENS substrate layer 1, ITO patterned layer 2, insulation course 3, conductive layer 4, protective seam 5 and be bundled in the FPC assembly on the COVER LENS substrate layer, the direct sputter of ITO patterned layer is in COVER LENS substrate layer bottom surface, and the ITO patterned layer is processed with the ITO function pattern that is used to realize capacitive touch function; The insulation course sputter is in ITO patterned layer bottom surface; The conductive layer sputter is in the insulation course bottom surface, and the conductive layer bottom surface also is coated with the SiO2 diaphragm, the FPC component binding in COVER LENS substrate layer bottom surface and with the conducting of ITO function pattern.
This integrated form electric capacity touch screen will realize that the ITO function pattern of capacitive touch function is set directly at COVER LENS substrate layer bottom surface; The function of script functional layer is integrated on the COVER LENS substrate layer; Thereby save OCA glue-line and ITO SENSORS function substrate; The integral thickness that this not only can significantly reduce capacitive touch screen also makes light source send the process of back arrival human eye from LCD, only passes through the loss of COVER LENS substrate layer; Thereby significantly improve transmittance, reduce the power consumption of portable type electronic product.And ITO function pattern is set directly at COVER LENS substrate layer bottom surface; Save and make the necessary bonding process of traditional capacitance touch screen; Help simplifying production process, improve yields, and can reduce the spending on bonding process equipment, reduce operating cost.
Below be the method for making of above-mentioned integrated form electric capacity touch screen, may further comprise the steps:
One, get glass substrate cleaning after; Through tempering, baking, cleaning; Glass substrate is cut into the COVER LENS substrate layer of preliminary dimension specification, this step is specially again: put into the annealing furnace tempering after glass substrate is cleaned, and toast, clean, cut according to conventional way.After the glass substrate cutting, carve and clean, toast through CNC, carry out silk-screen, oven dry again, the COVER LENS substrate layer of processing the preliminary dimension specification at last is for use.
Two, the COVER LENS substrate layer that step 1 is made after cleaning, baking, its bottom surface sputter ITO film again, cleaning, baking and sputter ITO film all adopt conventional way to get final product.
Three, on the ITO film, process the ITO function pattern that needs according to the preset function pattern; Make the ITO patterned layer of direct sputter in COVER LENS substrate layer bottom surface; Adopt the conventional way in the industry to get final product; Through operations such as applying glue, development, exposure, etching, stripping glue, on the ITO film, process preset ITO function pattern according to predetermined pattern;
Four, the sputter insulation course in ITO patterned layer bottom surface, and process predetermined pattern at insulation course; The conducting layer sputtering in the insulation course bottom surface, and process predetermined pattern at conductive layer; Apply the SiO2 diaphragm in the conductive layer bottom surface;
Five, with the FPC component binding on COVER LENS substrate layer.
During actual production, carry out after also can glass substrate cutting action in the above-mentioned steps one being adjusted at step 4, also promptly after the armor coated operation in conductive layer bottom surface, again glass substrate is cut into the COVER LENS substrate layer of preliminary dimension specification.
The topmost innovative point of this integrated form electric capacity touch screen method for making is sputter ITO film in COVER LENS substrate layer bottom surface; And on the ITO film, process the ITO function pattern that needs according to the preset function pattern, make ITO function pattern be set directly at COVER LENS substrate layer bottom surface.
The foregoing description is the preferred implementation of the utility model, and in addition, the utility model can also have other implementations.That is to say that under the prerequisite that does not break away from the utility model inventive concept, any conspicuous replacement also should fall within protection scope of the present invention.
Claims (2)
1. integrated form electric capacity touch screen; Comprise COVER LENS substrate layer (1), ITO patterned layer (2), insulation course (3), conductive layer (4), protective seam (5) and be bundled in the FPC assembly on the COVER LENS substrate layer; It is characterized in that: the direct sputter of said ITO patterned layer (2) is in COVER LENS substrate layer (1) bottom surface; ITO patterned layer (2) is processed with the ITO function pattern that is used to realize capacitive touch function; Said insulation course (3) sputter is in ITO patterned layer (2) bottom surface; Said conductive layer (4) sputter is in insulation course (3) bottom surface, and said conductive layer (4) bottom surface also is coated with protective seam (5), said FPC component binding in COVER LENS substrate layer bottom surface and with the conducting of ITO function pattern.
2. integrated form electric capacity touch screen according to claim 1 is characterized in that: said protective seam (5) is SiO
2Diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120314002XU CN202177886U (en) | 2011-08-24 | 2011-08-24 | Integrated type capacitance touch screen with less thickness, high light transmittance and low cost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120314002XU CN202177886U (en) | 2011-08-24 | 2011-08-24 | Integrated type capacitance touch screen with less thickness, high light transmittance and low cost |
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| Publication Number | Publication Date |
|---|---|
| CN202177886U true CN202177886U (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120314002XU Expired - Lifetime CN202177886U (en) | 2011-08-24 | 2011-08-24 | Integrated type capacitance touch screen with less thickness, high light transmittance and low cost |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346613A (en) * | 2011-08-24 | 2012-02-08 | 格林精密部件（惠州）有限公司 | Integrated capacitive touch screen and production method thereof |
| CN103019494A (en) * | 2012-12-26 | 2013-04-03 | 深圳市新济达光电科技有限公司 | Capacitive touch screen and manufacturing method thereof |
| CN103885651A (en) * | 2012-12-21 | 2014-06-25 | 苏州市健邦触摸屏技术有限公司 | Modified capacitive touch screen |
| CN109976572A (en) * | 2018-09-26 | 2019-07-05 | 合肥鑫晟光电科技有限公司 | Touch panel, touch control display apparatus and touch panel production method |
-
2011
- 2011-08-24 CN CN201120314002XU patent/CN202177886U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346613A (en) * | 2011-08-24 | 2012-02-08 | 格林精密部件（惠州）有限公司 | Integrated capacitive touch screen and production method thereof |
| CN102346613B (en) * | 2011-08-24 | 2013-04-10 | 格林精密部件（惠州）有限公司 | Integrated capacitive touch screen and production method thereof |
| CN103885651A (en) * | 2012-12-21 | 2014-06-25 | 苏州市健邦触摸屏技术有限公司 | Modified capacitive touch screen |
| CN103019494A (en) * | 2012-12-26 | 2013-04-03 | 深圳市新济达光电科技有限公司 | Capacitive touch screen and manufacturing method thereof |
| CN109976572A (en) * | 2018-09-26 | 2019-07-05 | 合肥鑫晟光电科技有限公司 | Touch panel, touch control display apparatus and touch panel production method |
| CN109976572B (en) * | 2018-09-26 | 2020-11-03 | 合肥鑫晟光电科技有限公司 | Touch panel, touch display device and touch panel manufacturing method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 516025 Huizhou City, Guangdong Province, the three digital Industrial Park Patentee after: Guangdong Green precision parts Limited by Share Ltd Address before: 516025 Guangdong Province, Huicheng City, the town of the District of the town of Digital Industrial Park North District, three Patentee before: Green Precision Components (Huizhou) Co. Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120328 |