CN202217249U - Touch-on-lens (TOL) device - Google Patents
Touch-on-lens (TOL) device Download PDFInfo
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- CN202217249U CN202217249U CN2011203421042U CN201120342104U CN202217249U CN 202217249 U CN202217249 U CN 202217249U CN 2011203421042 U CN2011203421042 U CN 2011203421042U CN 201120342104 U CN201120342104 U CN 201120342104U CN 202217249 U CN202217249 U CN 202217249U
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Abstract
The utility model discloses a touch-on-lens (TOL) device. The device comprises a tempered lens and a touch module which is adhered on the tempered lens; the touch module is formed by cutting a touch film; and the touch film comprises a touch layer and a plastic layer, wherein the thickness of the plastic layer is smaller than 2.5 micrometers. Compared with the traditional TOL device, the TOL device has the advantages that the device is thinner and lighter, and more portable, and the light-admitting quality is better.
Description
Technical field
The utility model relates to a kind of contactor control device, particularly about a kind of eyeglass touch-control (touch-on-lens, TOL) device.
Background technology
Capacitive touch device generally includes X axis and the axial transparency electrode of Y, when the user touches, can produce capacitance variations in touch points, and system judges the position of touch points by this capacitance variations of detecting.
Figure 1A shows the stacked intention of conventional condenser contactor control device, and it consists predominantly of and covers eyeglass (cover lens) 11 and touch base plate 12.The one or both sides of touch base plate 12 are formed with touch control layer, and it includes transparency electrode.Figure 1B shows that (it omits touch base plate to the conventional lenses touch-control for touch-on-lens, the TOL) stacked of device intention; But with touch control layer 13; For example (Indium Tin Oxide, ITO) layer directly are made on the covering eyeglass 11 tin indium oxide; And need not to increase again a glass substrate, thereby thickness that can the thinning contactor control device.
The manufacturing method thereof of eyeglass touch-control (TOL) device has following 2 kinds of methods usually traditionally, and first kind, elder generation strengthens the eyeglass that small pieces promptly meet the contact panel size, through lithographic process stacked structures such as touch control unit is stacked on the eyeglass again; Second kind, carry out lithographic process earlier stacked structures such as touch control layer are stacked on large-sized tempered glass motherboard, cut through glass mother board again and edge polishing processing procedures such as (Edge polish) cuts into specific contact panel size with glass mother board.Yet all there are some defectives in above-mentioned 2 kinds of processing procedures, as, first method monolithic output cost is high, and volume production efficient is low, does not meet economic benefit; Though second method is lower with respect to first method monolithic output cost, volume production efficient is higher, but the contact panel after the cutting weakens the engineering properties of glass because non-flanged strengthens processing procedure.
Also there is another kind of processing procedure at present in defective in view of above-mentioned two kinds of processing procedures, and promptly elder generation is formed at the induction pattern of touch control layer on PET (ethylene terephthalate) film through printing process, to form a PET touch-control motherboard; Be cut to the contact panel that meets specific dimensions again, to form a touch-control daughter board; At last this touch-control daughter board is fitted in the tempered lens of correspondingly-sized.Compared to aforementioned two kinds of processing procedures, this processing procedure volume production efficient is high, good mechanical property; Yet, be subject to the properties influence of PET film itself, as can't be high temperature resistant, hardness is more weak etc.; Generally be through printing process but not lithographic process is formed in the touch-control sensing pattern on the PET film; And in the process of this touch-control sensing pattern of printing, owing to receive the influence of factors such as printing equipment, printing-ink and printing technology, the touch-control sensing pattern line-width broad that forms by this printing process; And produce the visible problem of circuit, influence the outward appearance of product.Moreover the thickness of PET film is generally 25um-350um, and this thickness has been cut down the ability of contact panel slimming.
In view of conventional lenses touch-control (TOL) device and processing procedure shortcoming thereof, therefore need eyeglass touch-control (TOL) device and the processing procedure thereof that propose a kind of novelty badly, to solve foregoing problems.
Summary of the invention
In view of above-mentioned, one of purpose of the utility model embodiment is to propose a kind of eyeglass touch-control (TOL) device with problems such as the bad mechanical strength of improving present eyeglass contactor control device and light transmission are not good.
This eyeglass contactor control device comprises: a tempered lens; And a touch-control module, fitting in this tempered lens, this touch-control module is to be formed by touch-control film cutting, and this touch-control film comprises a touch control layer and a plastic layer, and wherein, this plastic layer has thickness less than 25 microns.
Above-mentioned eyeglass contactor control device, the thickness of said plastic layer are 10 microns-20 microns.
Above-mentioned eyeglass contactor control device, said plastic layer are pi (PI) layer or polyester-imide (polyesterimide) layer.
Above-mentioned eyeglass contactor control device, said touch control layer comprise an induction pattern, and this induction pattern is to be made by photoetching process.
Above-mentioned eyeglass contactor control device, said touch-control film more comprises a cushion, and this cushion is formed between this touch control layer and this plastic layer, and the material of this cushion is the derivant or the compound of silicon.
Above-mentioned eyeglass contactor control device more comprises a light shield layer, is formed at the same side of this tempered lens with this touch-control module.
Above-mentioned lens device is compared with traditional lens device, and is existing more frivolous, be easier to carry, and advantage such as light transmission is better.Moreover the utility model adopts photoetching process to make the induction pattern, but the refinement circuit, and then reach the purpose of beautifying outward appearance.
Description of drawings
Figure 1A shows the stacked intention of conventional condenser contactor control device.
Figure 1B shows the stacked intention of conventional lenses touch-control (TOL) device.
Fig. 2 A to Fig. 2 F shows the stacked intention of eyeglass touch-control (TOL) device in processing procedure of the invention first embodiment.
The electrode layer of Fig. 3 A illustration present embodiment.
The insulation course of Fig. 3 B illustration present embodiment.
The conductor layer of Fig. 3 C illustration present embodiment.
Fig. 4 A to Fig. 4 F shows the stacked intention of eyeglass touch-control (TOL) device in processing procedure of the invention second embodiment
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Fig. 2 A to Fig. 2 F shows eyeglass touch-control (touch-on-lens, TOL) the stacked intention of device in processing procedure of the utility model first embodiment.This instructions and graphic in, the top mean to the touching face direction.The thickness of each level shown in graphic is not drawn according to actual ratio.In addition, the graphic main level that only shows embodiment, visual actual needs and in shown in insert other level between the level.
Shown in Fig. 2 A, at first on substrate 21, form transparent plastic layer 22.Substrate 21 can be glass substrate, plastic sheeting (plastic film) or other hard substrate, and substrate 21 can separate with other part, so that reuse in other processing procedure.In the present embodiment, plastic layer 22 is pi (polyimide, PI) layer or polyester-imide (polyesterimide) layer, but also can use other to be easy to the plastics that separate with substrate, for example a ceramic membrane (ceramic thim film, for example SiO2).Compared to traditional polyethylene terephthalate (PET), select for use pi (PI) to have following effect at least as plastic layer 22, for example, can be easier to separate in the future with substrate 21; Can anti-higher temperature; Optical characteristics is preferable.Compared to traditional polyethylene terephthalate (PET); Select for use polyester-imide (polyesterimide) to have following effect at least as plastic layer 22; For example high mechanical properties, optics penetration or chemoresistance can effectively protect touch control layer (23,24,25) to avoid the erosion of weak acid (for example sweat).In a preferred embodiment, the thickness of plastic layer 22 is less than 25 microns (μ m).In a better embodiment, the thickness of plastic layer 22 is the 10-20 micron.In general, the thickness of plastic layer 22 is thin more, and what the light transmission of contact panel was good more and contact panel also can be made is thinner.Compared to conventional lenses touch-control (TOL) device, the plastic layer 22 that the present embodiment tool is thin, thereby can produce thinner eyeglass touch-control (TOL) device.In addition, if will further promote separating between the plastic layer 22 and substrate 21 in the future, can be before forming plastic layer 22, Shen is long-pending or be coated with the material of high contact angle (contact angle) on substrate 21 earlier.
Then, on plastic layer 22, form transparent electrode layer 23, for example spatter and cross (sputter) tin indium oxide (ITO) layer, but be not limited to this.The electrode layer 23 of Fig. 3 A illustration present embodiment, it comprises the plural number first electrode 23A of first axial (for example Y axle), and it first axially interlinks in this; And the plural number second electrode 23B of second axial (for example X axle), do not interlink to each other.The induction pattern (pattern) of electrode layer 23 can be made by photoetching process (photography).Wherein this photoetching process comprises photoresistance coating, waterfall light, development, oven dry, etching and cuts open processing steps such as film.
Form transparent insulation course 24 on the electrode layer 23, for example form pi (PI) layer, but be not limited to this.The insulation course 24 of Fig. 3 B illustration present embodiment, it comprises plural number insulation block 24A, is covered in respectively between the adjacent second electrode 23B of second axial (for example X axle).
On conductor layer 25, also can form protection (passivation) layer 26, can not suffer damage but remove guard electrode layer 23, insulation course 24 and conductor layer 25, and can prevent to receive oxidation or corrosion.
Between substrate 21 and plastic layer 22, also can form from shape layer (release layer) 210, for example use coating technique.From shape layer 210 can be (silicon-based) or fluorine system (F-based) compound for silica gel, but not as limit.In one embodiment, plastic layer 22 is polyester-imide (polyesterimide) layer, and it is earlier monomer (monomer) to be coated with (for example rotary coating) on shape layer 210, passes through polymerization (curing) processing procedure again and forms.In one embodiment; Substrate 21 and the viscous force (adhesive strength) that leaves between the shape layer 210 are higher than (for example being three times in) viscous force between shape layer 210 and plastic layer 22; By this; Make plastic layer 22 can be easily see through external force from opening in 210 minutes, and let from shape layer 210 complete staying on the substrate 21 from the shape layer.
Between plastic layer 22 and electrode layer 23, also can form cushion (buffer layer) 220, for example use deposition technique.Cushion 220 can be the derivant or the compound of silicon, for example silicon nitride or monox, but not as limit.In a preferred embodiment, the thickness of cushion 220 is 10 microns or greater than 10 microns.By this cushion 220, can improve the surface tension (surface stress) of the viscous force between plastic layer 22 and the touch control layer (23,24,25), the flatness (topographic flatness) of improving plastic layer 22 surfaces or absorption plastic layer 22.
Then, separate touch-control film 22-25 and substrate 21, form structure shown in Fig. 2 B.Shown in Fig. 2 C, above-mentioned touch-control film is cut, make each touch control unit form a touch-control module, this each touch-control module can form independently contact panel through follow-up processing procedure.Make with the mode of a unit, a unit compared to classic method; Present embodiment then is on a plastic layer 22, to form a plurality of touch control units that meet specific contact panel size to cut again; This helps to improve the efficient of the volume production of eyeglass touch-control (TOL) device, to promote production capacity.
Form shown in Fig. 2 C in the stacked structure, before or after, a tempered lens 27 (generally being called the covering eyeglass again, cove rlens) is provided in addition, shown in Fig. 2 D.Tempered lens 27 can be by glass mother board through cutting into the size that meets touch-control module, and carry out edge polishing (edge polish) and make.Long-pendingly compared to classic method in Shen just cut glass, the tempered lens 27 tool accentuated edges and the engineering properties of present embodiment after piling up touch control layer.Tempered lens can form light shield layer for 27 times, and (or black matrix" (black matrix, BM) layer) 28, its formation method can be used printing (printing) technology.
After the structure that forms touch-control module (Fig. 2 C) and tempered lens 27 (Fig. 2 D), shown in Fig. 2 E, use gummed (adhesive) layer 29, for example liquid glue (liquid adhesive) glues together this two structure.That is, be glued to the lower surface of tempered lens 27, light shield layer 28 with the upper surface of cementing layer 29, and be glued to the upper surface of protective seam 26 with the lower surface of cementing layer 29; Perhaps, if be not formed with protective seam 26, then be glued to the upper surface of touch control layer (23,24,25).That is, make light shield layer 28 and touch-control module 22-26 be formed at the same side of tempered lens 27.Behind gummed, form the stacked structure shown in Fig. 2 F, that is, from bottom to top comprise plastic layer 22, cushion 220, electrode layer 23, insulation course 24, conductor layer 25, protective seam 26, cementing layer 29, light shield layer 28 and tempered lens 27 successively.
Manufacturing method thereof according to above-mentioned eyeglass touch-control (TOL) device; Owing to form touch control layer (23,24,25) earlier on plastic layer 22; Again its gummed is attached at and cuts, process and for high-intensity tempered lens 27, thereby can reach of the requirement of various end products, and can carry out volume production for intensity.Install according to the formed eyeglass touch-control of above-mentioned processing procedure (TOL); If use tin indium oxide (ITO) as electrode layer 23; And use pi (PI) as plastic layer 22; Because the two gummed property is splendid, is not easy to cause split (cracking), therefore very be fit to make the eyeglass contactor control device of curved surface.In addition, because conductor layer 25 is not directly to be contacted with light shield layer 28, therefore do not have tradition because of the poor wire break problem that is caused of the section of light shield layer 28.
Fig. 4 A to Fig. 4 F shows the stacked intention of eyeglass touch-control (TOL) device in processing procedure of second embodiment.Present embodiment is similar to first embodiment (Fig. 2 A to Fig. 2 F), therefore will not give unnecessary details about details such as material, thickness, processing procedure and effects.
Shown in Fig. 4 A, at first on mother substrate 20, form transparent plastic layer 22.Mother substrate 20 can be glass substrate, plastic sheeting (plastic film) or other hard substrate, and mother substrate 20 can separate with other part.
Then, on plastic layer 22, form transparent electrode layer 23, transparent insulation course 24 and conductor layer 25 in regular turn.Above-mentioned electrode layer 23, insulation course 24 and conductor layer 25 constitute the touch control layer of present embodiments.Above-mentioned mother substrate 20, plastic layer 22 and touch control layer (23,24,25) form a touch control component, and wherein, touch control layer (23,24,25) includes a plurality of touch control units.
On conductor layer 25, also can form protection (passivation) layer 26, can not suffer damage but remove guard electrode layer 23, insulation course 24 and conductor layer 25, and can prevent to receive oxidation or corrosion.
Between mother substrate 20 and plastic layer 22, also can form from shape layer (release layer) 210.Between plastic layer 22 and electrode layer 23, also can form cushion (buffer layer) 220.
Then, shown in Fig. 4 B, above-mentioned touch control component is cut, make each touch control unit form an independent touch-control component.Make with the mode of a unit, a unit compared to classic method, present embodiment then is to form a plurality of touch control units to cut again, and this helps the volume production possibility of eyeglass touch-control (TOL) device, to promote production capacity.
Form shown in Fig. 4 B in the stacked structure, before or after, a tempered lens 27 is provided in addition, shown in Fig. 4 C.Tempered lens can form light shield layer 28 27 times.
After the structure that forms touch-control component (Fig. 4 B) and tempered lens 27 (Fig. 4 C), shown in Fig. 4 D, use gummed (adhesive) layer 29 that this two structure is glued together.That is, be glued to the lower surface of tempered lens 27, light shield layer 28 with the upper surface of cementing layer 29, and be glued to the upper surface of protective seam 26 with the lower surface of cementing layer 29; Perhaps, if be not formed with protective seam 26, then be glued to the upper surface of touch control layer (23,24,25).Behind gummed; Form the stacked structure shown in Fig. 4 E; That is, from bottom to top comprise mother substrate 20 successively, leave shape layer 210, plastic layer 22, cushion 220, electrode layer 23, insulation course 24, conductor layer 25, protective seam 26, cementing layer 29, light shield layer 28 and tempered lens 27.
At last, isolate mother substrate 20, form structure shown in Fig. 4 F from Fig. 4 E structure.
Can form an eyeglass contactor control device by above-mentioned manufacturing approach, shown in Fig. 4 F, this contactor control device comprises a tempered lens 27; An and touch-control module (22,220,23,24; 25,26), fit in this tempered lens 27, this touch-control module is to be formed by touch-control film cutting; This touch-control film comprises a touch control layer (23,24,25) and a plastic layer 22, and the thickness that this plastic layer has is less than 25 microns.
Wherein this plastic layer is pi (PI) layer or polyester-imide (polyesterimide) layer, and this plastic layer can anti-higher temperature; Optical characteristics is preferable, and its thickness can be controlled in the thin scope, and in a better embodiment, the thickness of plastic layer 22 is the 10-20 micron, compared to other plastic layer, like PET, uses further thinning eyeglass contactor control device of this plastic layer.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.
Claims (6)
1. eyeglass contactor control device comprises:
One tempered lens; And
One touch-control module fits in this tempered lens, and this touch-control module is to be formed by touch-control film cutting, and this touch-control film comprises a touch control layer and a plastic layer, and wherein, this plastic layer has thickness less than 25 microns.
2. eyeglass contactor control device according to claim 1 is characterized in that. the thickness of this plastic layer is 10 microns-20 microns.
3. eyeglass contactor control device according to claim 1 is characterized in that. this plastic layer is pi (PI) layer or polyester-imide (polyesterimide) layer.
4. eyeglass contactor control device according to claim 1 is characterized in that. this touch control layer comprises an induction pattern, and this induction pattern is to be made by photoetching process.
5. eyeglass contactor control device according to claim 1 is characterized in that. this touch-control film more comprises a cushion, and this cushion is formed between this touch control layer and this plastic layer, and the material of this cushion is the derivant or the compound of silicon.
6. eyeglass contactor control device according to claim 1 is characterized in that. more comprises a light shield layer, is formed at the same side of this tempered lens with this touch-control module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203421042U CN202217249U (en) | 2011-09-01 | 2011-09-01 | Touch-on-lens (TOL) device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203421042U CN202217249U (en) | 2011-09-01 | 2011-09-01 | Touch-on-lens (TOL) device |
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| CN202217249U true CN202217249U (en) | 2012-05-09 |
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| CN2011203421042U Expired - Lifetime CN202217249U (en) | 2011-09-01 | 2011-09-01 | Touch-on-lens (TOL) device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968200A (en) * | 2011-09-01 | 2013-03-13 | 宸鸿科技(厦门)有限公司 | Touch-on-lens device and manufacturing method thereof |
| CN103257767A (en) * | 2013-01-30 | 2013-08-21 | 福建科创光电有限公司 | Integrated capacitive sensing touch screen adopting two frame silk-screen and production method of integrated capacitive sensing touch screen |
| CN103257774A (en) * | 2013-05-10 | 2013-08-21 | 深圳市立德通讯器材有限公司 | One glass solution (OGS) capacitive touch screen and manufacturing method thereof |
| WO2014079285A1 (en) * | 2012-11-22 | 2014-05-30 | 宸鸿科技(厦门)有限公司 | Single glass touch pad and manufacturing method thereof |
| TWI474236B (en) * | 2012-10-11 | 2015-02-21 | Touchplus Information Corp | Touch panel and sensing pad configuration method thereof |
| CN104834415A (en) * | 2014-02-10 | 2015-08-12 | 陈秋菊 | Manufacture method of touch panel and structure of touch panel |
| US9760227B2 (en) | 2013-01-30 | 2017-09-12 | Fujian Kechuang Photoelectric Co., Ltd. | OGS captive touch panel and method for manufacturing same |
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2011
- 2011-09-01 CN CN2011203421042U patent/CN202217249U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968200A (en) * | 2011-09-01 | 2013-03-13 | 宸鸿科技(厦门)有限公司 | Touch-on-lens device and manufacturing method thereof |
| CN102968200B (en) * | 2011-09-01 | 2016-08-03 | 宸美（厦门）光电有限公司 | Eyeglass contactor control device and manufacturing method thereof thereof |
| TWI474236B (en) * | 2012-10-11 | 2015-02-21 | Touchplus Information Corp | Touch panel and sensing pad configuration method thereof |
| WO2014079285A1 (en) * | 2012-11-22 | 2014-05-30 | 宸鸿科技(厦门)有限公司 | Single glass touch pad and manufacturing method thereof |
| CN103838407A (en) * | 2012-11-22 | 2014-06-04 | 宸鸿科技(厦门)有限公司 | Single-glass touchpad and manufacturing method thereof |
| CN103838407B (en) * | 2012-11-22 | 2018-01-16 | 宸鸿科技(厦门)有限公司 | Monolithic glass Trackpad and preparation method thereof |
| CN103257767A (en) * | 2013-01-30 | 2013-08-21 | 福建科创光电有限公司 | Integrated capacitive sensing touch screen adopting two frame silk-screen and production method of integrated capacitive sensing touch screen |
| US9760227B2 (en) | 2013-01-30 | 2017-09-12 | Fujian Kechuang Photoelectric Co., Ltd. | OGS captive touch panel and method for manufacturing same |
| CN103257774A (en) * | 2013-05-10 | 2013-08-21 | 深圳市立德通讯器材有限公司 | One glass solution (OGS) capacitive touch screen and manufacturing method thereof |
| CN103257774B (en) * | 2013-05-10 | 2016-01-20 | 深圳市立德通讯器材有限公司 | A kind of OGS capacitive touch screen and manufacture method thereof |
| CN104834415A (en) * | 2014-02-10 | 2015-08-12 | 陈秋菊 | Manufacture method of touch panel and structure of touch panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHENMEI (XIAMEN) PHOTOELECTRIC CO., LTD. Free format text: FORMER OWNER: TPK TOUCH SOLUTIONS (XIAMEN) INC. Effective date: 20141114 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141114 Address after: 361009, Fujian, Xiamen torch hi tech Zone, information photoelectric Park, Qishan North Road, No. two or three, 515, four floor, Xiamen Patentee after: TPK Touch Solutions (Xiamen) Inc. Address before: 361009 Fujian Province, Xiamen torch hi tech Zone information photoelectric park is Sakamoto Road No. 199 Patentee before: TPK Touch Solutions (Xiamen) Inc. |
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| CX01 | Expiry of patent term |
Granted publication date: 20120509 |
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| CX01 | Expiry of patent term |