CN1272697C - Method for manufacturing touch control type panel - Google Patents

Method for manufacturing touch control type panel Download PDF

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Publication number
CN1272697C
CN1272697C CN 03148682 CN03148682A CN1272697C CN 1272697 C CN1272697 C CN 1272697C CN 03148682 CN03148682 CN 03148682 CN 03148682 A CN03148682 A CN 03148682A CN 1272697 C CN1272697 C CN 1272697C
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China
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display panel
those
pixel region
organic led
patterns
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CN 03148682
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CN1567171A (en
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李信宏
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AU Optronics Corp
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AU Optronics Corp
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Abstract

The present invention provides a method for manufacturing a touch control type panel, which comprises the steps: providing a display panel comprising a picture element zone and a control circuit zone, a plurality of picture elements arranged in an array are formed on the picture element zone on which a plurality of positioning patterns not overlapped with the picture elements are formed, and the positioning patterns are used for making the coordinate of the picture element zone; providing an input device comprising an inductor, the inductor is used for generating action with the positioning patterns and generating at least one corresponding sensing signal so that the function of input to the contact control type panel is achieved.

Description

The method for making of touch panel
Technical field
The invention provides the method for a kind of making touch panel (touch panel), refer to a kind of method that forms location pattern (orientation patterns) that goes up in display panel (display panel) especially.
Background technology
In the market of various consumption electronic products now, PDA(Personal Digital Assistant), mobile phone (mobile Phone), notebook computer (notebook) and panel computer portable type electronic products such as (tablet PC) have been extensive use of the interface tool that touch panel (touch panel) is linked up as its data all.In addition, since the design of electronic product at present all with light, thin, short, little be direction, therefore no enough spaces hold as traditional input medias such as keyboard, mouses on product, especially under the drive of the panel computer demand of stressing human oriented design, touch panel has suddenly become one of crucial spare part.And touch panel can be done the multi-level menu designing requirement except meeting, also can have keyboard simultaneously, the mode of operation of hommizations such as the function of mouse etc. and handwriting input, especially will import with output and be incorporated into the speciality of same interface (screen), especially other traditional input medias part can't be obtained.
But roughly sub-resistance formula, condenser type, ultrasonic type, optical profile type or the like of the technology of touch panel now, wherein electric resistance touch-control formula panel is because cost is lower, plate thickness is thinner, the most extensively utilization.Please refer to Fig. 1, Fig. 1 is the synoptic diagram of an existing electric resistance touch-control panel 10.As shown in Figure 1, existing electric resistance touch-control panel 10 consists predominantly of an indium tin oxide-coated glass (ITO glass) 12, transparent conductive film (ITO film) 14 once, transparent conductive film 16 on one, a plurality ofly be distributed in wall (dot spacer) 18 between the transparent conductive film with arrayed, and a polyethylene terephthalate (polyethylene terephthalate, PET) layer 20.Existing electric resistance touch-control panel 10 is installed in the top of a display panel (not shown), its principle is when writing data when exerting pressure on pet layer 20 with finger, pen or other input tools, last transparent conductive film 16 can see through wall 18 conductings and produce corresponding voltage with following transparent conductive film 14, and then the coordinate figure of pressure spot track is sent to a central processing unit (not shown) via the lead (not shown) that is laid in the transparent conductive film below, again signal is inputed to the display panel (not shown).
Though electric resistance touch-control formula panel is the widest touch panel of present range of application,, and the more important thing is that electric resistance touch-control panel has the problem of input precision deficiency because transmittance and durability degree are not good.For touch panel, the precision of input is most important Consideration for the user, yet generally nib often must panel away from keyboard in writing process, therefore when using electric resistance touch-control panel to write input, it is big or small not enough that these actions can cause the part coordinate points to exert pressure, cause corresponding magnitude of voltage deficiency and produce error originated from input, can't correctly show the content of input.Moreover palm tends to touch touch panel in writing process, also is easy to cause corresponding magnitude of voltage and produces error.In addition, because electric resistance touch-control panel is to utilize viscose glue to be fixed each element, around touch panel, has certain thickness viscose glue, must be at the required applied pressure in when input face plate edge zone greater than the required applied pressure of middle section, so edge region more is easy to generate error than middle section.
Summary of the invention
Therefore fundamental purpose of the present invention is to provide a kind of method of making touch panel, to solve the problem of existing touch panel.
The invention provides a kind of method of making touch panel.This method includes provides a display panel, and this display panel includes a pixel region and a control circuit district, on this pixel region, form a plurality of pixels that are arrayed, on this pixel region, form a plurality of not with the equitant location of those pixels pattern, be used for indicating the coordinate of this pixel region, and provide an input media, and this input media includes an inductor, be used for acting on and produce at least one corresponding sensing signal mutually with those location patterns, to reach function to this touch panel input, wherein be formed with a control circuit in addition in this control circuit district, come display image in order to respectively this pixel that drives on this pixel region.When this inductor was OPTICAL SENSORS, this input media also included a light-emitting component, and those location patterns are fluorescent location pattern; When this inductor was magnetic inductor, those location patterns were magnetic location pattern.
Because touch panel of the present invention utilizes the inductor that is provided with on this input media to receive location pattern on this display panel, coordinate that therefore can precisely identification input point is avoided in the prior art because of the use problem that mode produced of exerting pressure.In addition those location patterns be positioned at this display panel not with the pixel region overlapping areas, can avoid the problem of prior art transmittance deficiency.
Description of drawings
Fig. 1 is the synoptic diagram of an existing electric resistance touch-control panel;
Fig. 2 is the synoptic diagram of touch panel of the present invention;
Fig. 3 is the top view of touch panel of the present invention among Fig. 2;
Fig. 4 to Fig. 6 makes the synoptic diagram of first embodiment of touch panel method for the present invention;
Fig. 7 makes the synoptic diagram of second embodiment of touch panel method for the present invention; And
Fig. 8 to Figure 10 makes the synoptic diagram of the 3rd embodiment of touch panel method for the present invention.
Description of reference numerals in the accompanying drawing is as follows:
10 electric resistance touch-control panels, 12 indium tin oxide-coated glasses
Transparent conductive film on 14 times transparent conductive films 16
18 wall 20PET layers
30 touch panel 32 display panels of the present invention
33 pixels, 34 location patterns
36 input medias, 38 light-emitting components
40 OPTICAL SENSORS, 50 display panels
52 half tones, 54 chemical assistants
60 ink guns, 62 masks
Embodiment
Please refer to Fig. 2, Fig. 2 is the synoptic diagram of touch panel 30 of the present invention.As shown in Figure 2, touch panel 30 of the present invention includes a display panel 32, a plurality of location pattern 34 and an input media 36.Wherein, display panel 32 includes a pixel region (not shown) and a control circuit district (not shown), include a plurality of pixels that are arrayed on this pixel region, be used for display image, then be formed with a control circuit in this control circuit district, show this image in order to respectively this pixel that drives on this pixel region.And display panel 32 can be a display panels, a upper plate luminescent organic LED display panel (top emission OLED display panel), a lower plate luminescent organic LED display panel (bottom emission OLED display panel), or plasma scope flat display apparatus even on-plane surface display device such as (PDP), input media 36 then includes an inductor that is made of a light-emitting component 38 and an OPTICAL SENSORS 40.
In an embodiment of the present invention, light-emitting component 38, as a light emitting diode (LED), be used for those are located the electromagnetic wave that pattern 34 is launched specific wavelengths, and OPTICAL SENSORS 40, (charged-couple device CCD), then is the coordinate figure that is used for responding to or receiving location pattern 34 representatives as a charge coupled cell.When the user imports data with input media 36, OPTICAL SENSORS 40 can will receive the coordinate figure of input media 36 track that passes through on display panel 32, and produce at least one corresponding sensing signal, to import data through a processor (not shown) again and be sent to display panel 32, to finish input action touch panel 30.
Please refer to Fig. 3, Fig. 3 is for looking synoptic diagram on the touch panel 30 of the present invention among Fig. 2.As shown in Figure 3, location pattern 34 is positioned on the display panel 32, and not with each pixel 33 overlaid that is arrayed of display panel 32, so just can avoid locating the luminescence efficiency that pattern 34 influences the display panel pixel district.Wherein it should be noted that, location of the present invention pattern 34 becomes branch to constitute by the daylight fluorescence ink of the compound that includes anthracene (anthracene) structure or aromatic series (aromatic), so under the scope of general visible light, and be not easy to be observed, therefore the electromagnetic wave irradiation of the specific wavelength that must be radiated with input media 36 just can make each location pattern 34 manifest pattern, and then via the coordinate figure of OPTICAL SENSORS 40 receptions with record input media 36 track that passed through on display panel 32, and each location pattern 34 is located on this pixel region not and the equitant place of this pixel respectively, therefore can't discover the existence of locating pattern 34 when the user watches the display screen.In addition, location pattern 34 also can be made of a magnetic ink, the inductor of input media 36 then of the present invention relatively is substituted by a magnetic inductor, and each locatees the relative coordinate of this pixel region of pattern 34 representatives with sensing, and then produces this corresponding sensing signal.
Please refer to Fig. 4 to Fig. 6, Fig. 4 to Fig. 6 makes the synoptic diagram of first embodiment of touch panel method for the present invention.As shown in Figure 4, at first provide a display panel 50, and a half tone 52 of making the location pattern in advance is placed on appropriate location on the display panel 50.As shown in Figure 5, then a chemical assistant 54 is evenly spread upon on the half tone 52, utilize half tone 52 to make chemical assistant 54 on display panel 50, not form the location pattern with pixel region (not shown) overlapping areas.As shown in Figure 6, half tone 52 is removed, treat chemical assistant 54 dryings after, promptly finish the making of touch panel of the present invention.In addition, please refer to Fig. 7, Fig. 7 makes the synoptic diagram of second embodiment of touch panel method for the present invention.As shown in Figure 7, one display panel 50 at first is provided, and utilize an ink gun (ink jet head) 60 that chemical assistant 54 spray printings are not formed the location pattern with pixel region (not shown) overlapping areas to display panel 50, finish the making of touch panel of the present invention.Wherein, disclosed chemical assistant 54 is daylight fluorescence ink, magnetic ink or includes fluorescent or the material of magnetic components in the first embodiment of the invention and second embodiment.
Please refer to Fig. 8 to Figure 10, Fig. 8 to Figure 10 makes the synoptic diagram of the 3rd embodiment of touch panel method for the present invention.As shown in Figure 8, one display panel 50 at first is provided, and on display panel 50, form one deck chemical assistant 54 comprehensively, to constitute a photosensitive film layer, wherein this photosensitive film layer is a photonasty daylight fluorescence ink or a photonasty magnetic ink, and the method that forms this photosensitive film layer includes modes such as rotary coating (spin coating) or scraper coating.As shown in Figure 9, then utilize a mask 62 of making the location pattern in advance, carry out a photoetching process mode of the exposure of the location pattern utilization on the mask 62 is transferred on the display panel 50 not and pixel region (not shown) overlapping areas.As shown in figure 10, carry out a developing process at last again, so that unnecessary chemical assistant 54 is removed.Wherein it should be noted that if the location pattern that desire is made is made of the non-photosensitive magnetic ink, then must before photoetching process, deposit a photoresist layer earlier and carry out the transfer printing of pattern, to finish the making of touch panel of the present invention.
As mentioned above, the method that the present invention makes touch panel is not form the location pattern of each pixel region coordinate of a plurality of expressions on a display panel with the pixel region overlapping areas, and utilizes the inductor on the input media to receive the coordinate that those locate the pattern representatives.Wherein, mode of operation between input media 36 and the inductor can be the disclosed photoinduction pattern of the foregoing description, magnetic induction pattern, electro-induction pattern or other contactless induction patterns, and the coordinate of the shape mark of location pattern 34 or fluorescent, magnetic components representative, then can be stored in advance in this processor or this display device, not add to give unnecessary details at this.
It should be noted that in the present invention and make in the method for touch panel that the location pattern can be formed at as on the dissimilar display panel such as display panels and organic LED panel.This external the present invention makes in the method for touch panel, and the location pattern can be formed at other positions along with the difference of display panel, and be not limited to the surface of display panel under can the sensed device correct situation that receives.For example when using a display panels, under the situation, locate the surface that pattern can be formed at liquid crystal panel, or between top glass substrate and the black-matrix layer.And if use a upper plate light-emitting diode (led) display panel, the position of then locating pattern can be positioned at cap surface on glass or lower surface.In addition, if use a lower plate light-emitting diode (led) display panel, the position of then locating pattern can be positioned at the glass substrate lower surface, or between glass substrate and the thin film transistor (TFT).
Compared to prior art; because existing touch panel utilization pen, finger or other input tools are exerted pressure on panel and are write; utilize the voltage of pressure spot to change the coordinate figure that writes down input point; use and finish input action; yet prior art has the required shortcoming big than middle section of exerting pressure in face plate edge zone; and the pressure that nib is applied on the panel when the input data can't be consistent, and part input point regular meeting is caused error by omission.And the present invention makes the method for touch panel is a plurality of location pattern on display panel, and utilize the inductor on the input media to receive the location pattern, the error problem that not only can avoid prior art to cause like this because of input tool is different with the touch panel contact pressure, effectively promote the degree of accuracy of input, simultaneously, therefore also can not influence the luminescence efficiency in display panel pixel district because the location pattern is to be positioned on the display panel not and the pixel region overlapping areas.
The above only is the preferred embodiments of the present invention, and all equalizations of doing according to claims of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.

Claims (16)

1. method of making touch panel, this method includes the following step:
Provide a display panel, and this display panel includes a pixel region and a control circuit district;
On this pixel region, form a plurality of pixels that are arrayed, be used for display image;
Formation is a plurality of on this pixel region does not locate pattern with the equitant fluorescent of those pixels, is used for indicating the coordinate of this pixel region; And
Provide an input media, and this input media includes a light-emitting component and an OPTICAL SENSORS, be used for acting on and produce at least one corresponding sensing signal mutually with those fluorescent location patterns, reaching function to this touch panel input,
Wherein be formed with a control circuit in addition in this control circuit district, come display image in order to respectively this pixel that drives on this pixel region.
2. the method for claim 1, wherein this light-emitting component is used for sending the electromagnetic wave of a specific wavelength to manifest those fluorescent location patterns, and this OPTICAL SENSORS is used for the relative coordinate of this pixel region of those fluorescents of sensing location pattern representatives, to produce this corresponding sensing signal.
3. the method for claim 1, wherein those fluorescents location patterns constitute by a daylight fluorescence ink, and this daylight fluorescence ink includes anthracene structure or aromatic compound.
4. the method for claim 1, wherein those fluorescents location patterns utilize the method for screen painting or ink jet printing to be formed on this display panel.
5. the method for claim 1 wherein forms those fluorescents location method of patterning and includes the following step in addition:
On this display panel, form a photosensitive film layer;
Utilize a mask that this photosensitive film layer is carried out an exposure technology; And
Carry out a developing process, do not locate patterns with equitant those fluorescents of those pixels so that formation on this pixel region is a plurality of;
Wherein this photosensitive film layer is a photonasty daylight fluorescence ink, and the method that forms this photosensitive film layer includes rotary coating or scraper coating.
6. the method for claim 1, wherein this display panel is a display panels, and those fluorescents location patterns be formed at this display panels top glass substrate outer surface or be formed between the top glass substrate and black-matrix layer of this display panels.
7. the method for claim 1, wherein this display panel is a upper plate luminescent organic LED display panel, and those fluorescents are located the cap lower glass surface that patterns are formed at the cap surface on glass of this upper plate luminescent organic LED display panel or are formed at this upper plate luminescent organic LED display panel.
8. the method for claim 1, wherein this display panel is a lower plate luminescent organic LED display panel, and those fluorescents location patterns are formed at the lower glass substrate below of this lower plate luminescent organic LED display panel or are formed between the lower glass substrate and thin film transistor (TFT) of this lower plate luminescent organic LED display panel.
9. the method for claim 1, wherein this corresponding sensing signal sees through a processor again and is sent to this display panel, and this processor is arranged on this display panel.
10. method of making touch panel, this method includes the following step:
Provide a display panel, and this display panel includes a pixel region and a control circuit district;
On this pixel region, form a plurality of pixels that are arrayed, be used for display image;
Formation is a plurality of on this pixel region does not locate pattern with the equitant magnetic of those pixels, is used for indicating the coordinate of this pixel region; And
Provide an input media, and this input media includes a magnetic inductor, be used for acting on and produce at least one corresponding sensing signal mutually with those magnetic location patterns, reaching function to this touch panel input,
Wherein be formed with a control circuit in addition in this control circuit district, come display image in order to respectively this pixel that drives on this pixel region.
11. method as claimed in claim 10, wherein those magnetic location patterns utilize the method for screen painting or ink jet printing to be formed on this display panel.
12. method as claimed in claim 10 wherein forms those magnetic location method of patterning and includes the following step in addition:
On this display panel, form a photosensitive film layer;
Utilize a mask that this photosensitive film layer is carried out an exposure technology; And
Carry out a developing process, do not locate patterns with equitant those magnetic of those pixels so that formation on this pixel region is a plurality of;
Wherein this photosensitive film layer is a photonasty magnetic ink, and the method that forms this photosensitive film layer includes rotary coating or scraper coating.
13. method as claimed in claim 10, wherein this display panel is a display panels, and those magnetic location patterns be formed at this display panels top glass substrate outer surface or be formed between the top glass substrate and black-matrix layer of this display panels.
14. method as claimed in claim 10, wherein this display panel is a upper plate luminescent organic LED display panel, and those magnetic are located the cap lower glass surface that patterns are formed at the cap surface on glass of this upper plate luminescent organic LED display panel or are formed at this upper plate luminescent organic LED display panel.
15. method as claimed in claim 10, wherein this display panel is a lower plate luminescent organic LED display panel, and those magnetic location patterns are formed at the lower glass substrate below of this lower plate luminescent organic LED display panel or are formed between the lower glass substrate and thin film transistor (TFT) of this lower plate luminescent organic LED display panel.
16. method as claimed in claim 10, wherein this corresponding sensing signal sees through a processor again and is sent to this display panel, and this processor is arranged on this display panel.
CN 03148682 2003-06-17 2003-06-17 Method for manufacturing touch control type panel Expired - Lifetime CN1272697C (en)

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Application Number Priority Date Filing Date Title
CN 03148682 CN1272697C (en) 2003-06-17 2003-06-17 Method for manufacturing touch control type panel

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Application Number Priority Date Filing Date Title
CN 03148682 CN1272697C (en) 2003-06-17 2003-06-17 Method for manufacturing touch control type panel

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CN1272697C true CN1272697C (en) 2006-08-30

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101187846B (en) * 2005-09-07 2010-06-02 义隆电子股份有限公司 Touch control panel inductor
CN101907950B (en) * 2009-06-03 2013-06-19 原相科技股份有限公司 Control method applied to sensing system
CN101667082A (en) * 2009-10-16 2010-03-10 牧东光电(苏州)有限公司 Luminous touch control panel and manufacture method thereof
CN104850265A (en) * 2015-06-03 2015-08-19 深圳市成鸿科技有限公司 Method for manufacturing single-layer multi-point touch control structures

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