CN1188774C - Panel displayer having touch control function - Google Patents
Panel displayer having touch control function Download PDFInfo
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- CN1188774C CN1188774C CNB011414510A CN01141451A CN1188774C CN 1188774 C CN1188774 C CN 1188774C CN B011414510 A CNB011414510 A CN B011414510A CN 01141451 A CN01141451 A CN 01141451A CN 1188774 C CN1188774 C CN 1188774C
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Abstract
The present invention relates to a panel display having the function of touch control, which comprises a panel display body and a touch control inducing layer, the output of the touch control inducing layer is connected with an identification circuit, wherein the touch control inducing layer is arranged on the back face of the panel display. The electromagnetic induction aerial layers of the touch control inducing layer are respectively distributed along an X axis and a Y axis, and an electromagnetic induction aerial array in an aerial crossed-arrangement structure with U-shaped aerials can be an electromagnetic induction circuit formed from printing-corrosion printed circuit boards and can also be an electromagnetic induction circuit printed by silver paste or the mixture of the silver paste and carbon paste. The electromagnetic induction circuit is in the structure of a single-side or double-side printed circuit, and can also be formed by superposing more than one single-side printed circuit. The back face of the touch control inducing layer is provided with an insulation shielding and insulating layer behind which an identification circuit layer is arranged. The present invention has the advantages of simple manufacturing technology, low cost, high precision and long service life.
Description
Technical field
The present invention relates to a kind of touch-screen, especially a kind of panel display screen with induction touch control function.Belong to the electronic apparatus technical field.
Background technology
Along with the extensive popularization and application of computer technology, electronization, the digitizing approach of information are more and more abundanter.The computed various peripheral hardwares of people have been invented various methods, finish the initial digitized process of information processing.For example: various inputting methods, voice typing, image acquisition or the like, wherein the most effective, the most a kind of is directly to carry out information input, instruction transfer at display screen by touching modes such as click.As, when utilizing the drawing of computing machine drawing, owing to utilize mouse action really to use the flexible of an operation of drawing a picture on paper as people, and straight obstacle people expertly finish exquisite design producing.Adopt touch-screen, utilization touches control pen direct control on display screen, and action is just as painting on paper, and therefore whole work is very easy finishes, and effect is better.Have, along with the continuous release of portable product, various peripheral hardwares: keyboard, mouse are all omitted one by one again, and for example PDA does not have controlling of button substantially, and all are to adopt a touch control pen operation touch-screen to finish various operations.
Present Trackpad mainly adopts the resistance-type mode.Its concrete structure is to be provided with transparent touch membrane in the outside of display screen, a surperficial coated resistive layer of touch membrane, when the particular location of touch membrane is clicked in operation, follow-up recognition control circuit is learnt the variation of this position current potential by calculating, judge the position coordinates of clicking, thereby carry out corresponding operation.Because existing resistance-type is when realizing the large touch plate, there is problems such as being not suitable for doing handwriting input in cost height, complex process, the precision, and because physical damnifications such as producing wearing and tearing is repeatedly operated in the external world, cause problems such as touch membrane serviceable life is short, limited the application of touch-screen greatly.
Summary of the invention
The objective of the invention is to overcome all weak points of above-mentioned technology, a kind of flat-panel monitor with touch control function is provided, its manufacture craft is simple, and cost is low, precision height, and long service life.
The objective of the invention is to be achieved through the following technical solutions:
A kind of flat-panel monitor with touch control function, it comprises monitor body and touch-control sensing layer, and the output of touch-control sensing layer links to each other with the input of identification circuit, and described touch-control sensing layer is arranged on the back of flat-panel monitor.
The touch-control sensing layer is served as reasons, and silver is starched or the formed electromagnetic induction antenna stack of aerial array of the electromagnetic induction circuit formation of silver slurry and the printing of carbon pulp mixture.
The electromagnetic induction circuit is the single or double printed wire.
The electromagnetic induction circuit can also form by the printed wire of the above single face of a slice is stacked.
The back of touch-control sensing layer is provided with the insulation shielding separation layer, is provided with the identification circuit layer behind the insulation shielding separation layer, which is provided with the identification circuit that links to each other with the output of touch-control sensing layer.
In order further to guarantee to be provided with spatial joint clearance between insulation shielding separation layer and the identification circuit layer by shield effectiveness.
The area size of the area of touch-control sensing layer and monitor body can be adjusted accordingly according to different input needs.For example: under normal conditions, the area of touch-control sensing layer should equate with the area of monitor body; Need be with the part of display when touching input or touch operation zone, the area of touch-control sensing layer should be less than the area of monitor body; Certainly, the area of touch-control sensing layer also can be greater than the area of monitor body, and the periphery of whole like this display and display also has the ability of touch-control input because being provided with the touch-control sensing layer.
When the area of touch-control sensing layer during less than the area of monitor body, it is provided with the position, can be corresponding in a side or the both sides opposite side or the surrounding at the back side of flat-panel monitor.
The electromagnetic induction aerial array that constitutes the touch-control sensing layer is made of the layout of " u " shape electromagnetic induction circuit intersection.
Described display is plasma display or LCD.Front at display also is provided with protective layer or protective film.
According to technique scheme as can be known, the present invention has following advantage:
1, because electromagnetic induction layer is arranged on the back of display screen, therefore manufacture easily, cost is lower, and area is big more, and cost advantage relative and prior art is just outstanding more.
2, owing to adopt induction array antenna as the identification sensing device, so its accuracy of identification height, can touch input mouse information or handwriting information by style of writing or hand exactly.
3, the signal generation is to produce by the electromagnetic induction layer that is positioned at the display screen back, and as touch-screen, the surface of display screen is provided with protective film, is difficult for producing physical damnification, and, so long service life.
Description of drawings
Fig. 1 is an embodiment of the present invention structural representation;
Fig. 2 is the another kind of example structure synoptic diagram of the present invention;
Fig. 3 is an identification circuit structural representation of the present invention;
Fig. 4 is an electromagnetic induction layer structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done detailed description further.
Referring to Fig. 1, the present invention is a kind of panel display screen with touch control function, and it comprises the panel display screen body, and the touch-control sensing layer, and the output of touch-control sensing layer is connected to identification circuit.Identification circuit can adopt any in the existing clipboard identification circuit, so the present invention repeats no more identification circuit at this.Display screen is plate display screens such as plasma panel or LCDs.
The panel display screen body comprises front housing 1, back housing 7 and display screen 3.Characteristics of the present invention are the back that touch-control sensing layer 4 are arranged on display screen 3, electromagnetism is hand-written control style of writing and press display screen 3 after, the position that touch-control sensing layer 4 still can transmission display screen induction handwriting pad touches.
In the concrete structure design, the area of touch-control sensing layer 4 is the same big or small with the area of display screen 3.The back of touch-control sensing layer 4 is provided with insulation shielding separation layer 5, and insulation shielding is isolated back 5 and is provided with identification circuit layer 6.Insulation respectively between insulation shielding separation layer 5 and touch-control sensing layer 4, the identification circuit layer 6, and shielding.Certainly, insulation shielding separation layer 5, identification circuit layer 6 can be arranged in other spaces of display screen or main frame in addition.And insulation shielding separation layer 55, identification circuit layer 6 and touch-control sensing layer 4 applying setting can be concentrated the induction single unit system.For further guaranteeing the effect of shielding, be provided with a spatial joint clearance between insulation shielding separation layer 5 and the identification circuit layer 6.Certainly, if retaining space gap between screen layer 5 and the touch-control sensing layer 6 has had insulation effect, these screen layer 5 bodies can not have the insulation course material.
Have again,, be provided with transparent protective layer or protective film 2 in the front of display screen 3 for abilities such as resistance to wearing of raising display screen 3 surfaces.
As shown in Figure 2, according to different needs, when for example the conduct of display screen 3 parts touched input or touch operation zone, the area of touch-control sensing layer 4 can be less than the area of display screen 3, be arranged on a side of display screen 3 back, also can be arranged on the both sides of display screen 3 or all around.Certainly, the area of touch-control sensing layer 4 also can be greater than the area of display screen 3, and the periphery of entire display screen 3 and display screen 3 all can have the ability of touch-control like this.
Touch-control sensing layer 4 of the present invention is the electromagnetic induction antenna stack, display screen isolated control the pen and inductive layer, do not influence the generation and the transmission of induced signal.Isolated hand-written pen and the inductive layer controlled as the insulating protective film of handwriting pad, working mechanism also produces the same with the signal of handwriting pad.In the use, the electromagnetic signal source of induction is that electromagnetism is controlled pen, the hand-written pen of controlling of electromagnetism is just often constantly launched fixed frequency or data electromagnetic signal, when nib is pressed after touch, the electromagnetism magnetic line of force passes the electromagnetic antenna array, corresponding electric system signal source center and near bottom horizontal antenna and top layer vertical antenna are responded to this electromagnetic signal, pass to CPU by the identification circuit interface, CPU calculates the relatively position and the voltage strength of induction antenna, frequency signal changes, judge the position and the various duty of electromagnetic signal source, again the result is transmitted this PC, thereby control PC finishes the exercises instruction.Call etc. as literal or shape recognition, drawing and shortcut.
Particularly, as shown in Figure 4, the electromagnetic induction antenna stack be respectively along X, Y-axis distribute, U " shape sky wire antenna intersects the electromagnetic induction aerial array of layout structure.
The electromagnetic induction circuit that the electromagnetic induction aerial array of electromagnetic induction antenna stack 4 forms for the printing etch for printed circuits bord is the electromagnetic induction circuit of silver slurry or silver slurry and the printing of carbon pulp mixture for the electromagnetic induction aerial array that reduces cost.
The electromagnetic induction circuit is the structure of single or double printed wire, and the printed wire that also can be the above single face of a slice is stacked.
The present invention can be widely used on the various touch opertaing devices.Simultaneously, thought of the present invention is not limited to the display screen of electromagnetic induction layer with flat board combined, the rear portion of non-CRT display screens such as various profiles and nonplanar plasma panel, LCDs all can be in conjunction with electromagnetic induction layer, and realizes touch screen structure cheaply.
Claims (14)
1, a kind of flat-panel monitor with touch control function, it comprises monitor body and touch-control sensing layer, the output of touch-control sensing layer links to each other with the input of identification circuit, it is characterized in that: described touch-control sensing layer is arranged on the back of monitor body, this touch-control sensing layer is served as reasons, and silver is starched or the formed electromagnetic induction antenna stack of aerial array of the electromagnetic induction circuit formation of silver slurry and the printing of carbon pulp mixture, and described electromagnetic induction circuit is the single or double printed wire.
2, the flat-panel monitor with touch control function according to claim 1 is characterized in that: stacked the forming of printed wire that described electromagnetic induction circuit is the above single face of a slice.
3, the flat-panel monitor with touch control function according to claim 1, it is characterized in that: the back of described touch-control sensing layer is provided with the insulation shielding separation layer, be provided with the identification circuit layer behind the insulation shielding separation layer, which is provided with the identification circuit that links to each other with the output of touch-control sensing layer.
4, the flat-panel monitor with touch control function according to claim 3 is characterized in that: be provided with the spatial joint clearance that is used for further guaranteeing shield effectiveness between described insulation shielding separation layer and the identification circuit layer.
5, the flat-panel monitor with touch control function according to claim 1 is characterized in that: the area of described touch-control sensing layer equates with the area of monitor body.
6, the flat-panel monitor with touch control function according to claim 1, it is characterized in that: the area of described touch-control sensing layer is less than the area of monitor body.
7, the flat-panel monitor with touch control function according to claim 6 is characterized in that: described touch-control sensing layer the position is set, a side at the corresponding back side at monitor body.
8, the flat-panel monitor with touch control function according to claim 6 is characterized in that: described touch-control sensing layer the position is set, the dual-side at the corresponding back side at monitor body.
9, the flat-panel monitor with touch control function according to claim 6 is characterized in that: described touch-control sensing layer the position is set, the surrounding at the corresponding back side at monitor body.
10, the flat-panel monitor with touch control function according to claim 1, it is characterized in that: the area of described touch-control sensing layer is greater than the area of monitor body.
11, the flat-panel monitor with touch control function according to claim 1 is characterized in that: described electromagnetic induction aerial array is made of the layout of " u " shape electromagnetic induction circuit intersection.
12, according to claim 1 or 5 or 6 or 7 or 8 or 9 or 10 described flat-panel monitors with touch control function, it is characterized in that: described monitor body is plasma display or LCD.
13, according to claim 1 or 5 or 6 or 7 or 8 or 9 or 10 described flat-panel monitors with touch control function, it is characterized in that: the front of described monitor body is provided with protective layer.
14, the flat-panel monitor with touch control function according to claim 12, it is characterized in that: the front of described monitor body is provided with protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011414510A CN1188774C (en) | 2001-09-25 | 2001-09-25 | Panel displayer having touch control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011414510A CN1188774C (en) | 2001-09-25 | 2001-09-25 | Panel displayer having touch control function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1410875A CN1410875A (en) | 2003-04-16 |
| CN1188774C true CN1188774C (en) | 2005-02-09 |
Family
ID=4676184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011414510A Expired - Lifetime CN1188774C (en) | 2001-09-25 | 2001-09-25 | Panel displayer having touch control function |
Country Status (1)
| Country | Link |
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| CN (1) | CN1188774C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100338566C (en) * | 2003-06-30 | 2007-09-19 | 仁宝电脑工业股份有限公司 | Contact control device for displaying operation track |
| CN100389380C (en) * | 2005-03-28 | 2008-05-21 | 友达光电股份有限公司 | Double-face illumination display apparatus and method for making same |
| WO2007003108A1 (en) * | 2005-06-30 | 2007-01-11 | Qiliang Chen | A touch control plat display device |
| WO2007012256A1 (en) * | 2005-07-14 | 2007-02-01 | Qiliang Chen | A panel display device with touch control function |
| CN1949161B (en) * | 2005-10-14 | 2010-05-26 | 鸿富锦精密工业（深圳）有限公司 | Multi gradation menu displaying device and display controlling method |
| CN101382718B (en) * | 2007-09-04 | 2012-07-04 | 比亚迪股份有限公司 | Electronic paper display with touching function |
| CN101930133A (en) | 2009-06-19 | 2010-12-29 | 台均科技（深圳）有限公司 | Liquid crystal panel and liquid crystal display |
| CN102043262B (en) * | 2009-10-09 | 2013-01-09 | 汉王科技股份有限公司 | Electromagnetic handwriting liquid crystal display device |
| CN101901094B (en) * | 2010-07-16 | 2013-07-24 | 友碁科技股份有限公司 | Liquid-crystal handwriting screen and method for improving linearity of ambient antenna thereof |
| TWI471086B (en) * | 2011-03-14 | 2015-01-21 | E Ink Holdings Inc | A method for forming an emi shielding layer on an electronic paper display |
| US9813102B2 (en) * | 2014-12-15 | 2017-11-07 | Intel Corporation | Display panel with transparent conductor based isolator and method for improved wireless communications |
-
2001
- 2001-09-25 CN CNB011414510A patent/CN1188774C/en not_active Expired - Lifetime
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| Publication number | Publication date |
|---|---|
| CN1410875A (en) | 2003-04-16 |
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