CN201262673Y - Novel capacitance air conditioner controller touch screen - Google Patents
Novel capacitance air conditioner controller touch screen Download PDFInfo
- Publication number
- CN201262673Y CN201262673Y CNU2008201604969U CN200820160496U CN201262673Y CN 201262673 Y CN201262673 Y CN 201262673Y CN U2008201604969 U CNU2008201604969 U CN U2008201604969U CN 200820160496 U CN200820160496 U CN 200820160496U CN 201262673 Y CN201262673 Y CN 201262673Y
- Authority
- CN
- China
- Prior art keywords
- ito film
- touch
- liquid crystal
- crystal display
- touch screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a novel capacitance-typed controller touch screen, comprising two contra-positioned transparent conductive glass sheets; an ITO film is arranged between the two transparent conductive glass sheets; a plurality of touch keystroke areas used for capacitance induction are etched on the ITO film; and the ITO film is connected with a power supply by a leading wire and a metal pin and integrates the liquid crystal display area and the touch keystroke area into a whole. Compared with the prior art, the novel capacitance-typed air conditioner controller touch screen has the advantages that 1. the transparent conductive glass usage rate in the liquid crystal display is improved, the usage of the ITO film is reduced, and the material cost is reduced; 2. the ITO film is not needed to be ironed and coated, thus simplifying the production process; 3. effects of environmental factors such as dirt, dust, grease marks, and the like are effectively prevented, the touch screen is not easy to be abraded, the working stability of the product is improved, and the service life is prolonged; and 4. the design of the product is more flexible as the leading wire cable arrangement between the film ironing and the control plate is not considered.
Description
Technical field
The utility model relates to electronic technology field, especially relates to a kind of novel capacitance-type air-conditioner controller touch-screen.
Background technology
Condenser type air-conditioner controller touch-screen is the ito thin film that sticks layer of transparent on LCD, and ITO has high transmission rate and extremely strong electric conductivity and etch trickle figure easily in acid solution.Touching circuit by the corresponding capacitive sensing of this characteristic is that available ito thin film is realized.As shown in the figure 1, there is an intrinsic stray capacitance Cp between two adjacent conductors 1 on the circuit board.When pointing near touch-screen, produce new electric capacity again between finger and two electric conductors 1, these electric capacity are equivalent to be parallel on the original stray capacitance Cp, and controller calculates the coordinate of contact point according to detected capacitance variations, operates accordingly according to this coordinate again.
As shown in Figure 2, at present, be everlasting rigid or the flexible PCB material on make capacitive sensing touch point 5, and connect on decoding chip 2, decoding chip 2 links to each other with LCD 4 by processor 3.When finger contacted with touch point 5, decoding chip 2 perceived button, then by processor 3 display process on LCD 4.This structure need be made the flexible PCB material of a man-machine interface button touch point 5, and increase stube cable and press plug-in unit, technological process of production complexity, and the man-machine interface of making is attractive in appearance inadequately.Make capacitor induction type touch key-press point with the ITO conducting membrane material, cover the surface of LCD then, though more attractive in appearance than adopting flexible circuit board, but still have following shortcoming: 1, because of covering the surface of LCD, wear-out failure easily, serviceable life is shorter; 2, it is big to be connected difficulty between the sense contact on the ITO conducting film and the control panel, and the manufacturing process complexity needs high temperature to apt; 3, owing to cover liquid crystal surfactant lead cable between ITO conducting film and the mainboard is arranged, make the mould of plastics that is mated be difficult to design.
In order to improve on the prior art basis, people have carried out long-term exploration, have proposed various solutions.For example Chinese patent literature discloses a kind of touch screen LCD [application number: 200510034422.1], and this touch screen LCD comprises a touch-screen, a display panels, one first flexible circuit board, one second flexible circuit board and a main circuit board.This display panels comprises many leads and a control chip that is electrically connected with these many leads, and this control chip provides this display panels work required driving voltage, and resolves the electric signal that this touch-screen produces; One end of this first flexible circuit board is electrically connected to this touch-screen, and an other end is connected to this control chip by many leads on this display panels; One end of this second flexible circuit board is electrically connected to this control chip, and the other end is connected to this main circuit board.Obviously, this scenario-frame complexity, manufacture difficulty is big, does not overcome the defective that prior art exists.
Summary of the invention
The purpose of this utility model is at the problems referred to above, provides a kind of not easy to wear, and long service life is simple in structure, is easy to processing and manufacturing, the novel capacitance-type touch-screen that configuration rationally, manufacturing cost is lower.
For achieving the above object, the utility model has adopted following technical proposal: this novel capacitance-type air-conditioner controller touch-screen, it is characterized in that, this touch-screen comprises two opposed transparent conducting glass sheets, between two transparent conducting glass sheets, be provided with the ITO film, etching has some touch key-press zones that are used for capacitive sensing on the ITO film, and this ITO film is connected with power supply with metal pins through lead-in wire, and makes liquid crystal display area and touch key-press zone form one.
The utility model creatively is arranged to an integral body with liquid crystal display and touch key-press, has simplified one-piece construction effectively.This structure can be easy to circuit and arrange, reduces production costs, and processing is got up very convenient.The reason of liquid crystal display displays special pattern is: utilize the conducting film (ITO film) on the transparent conducting glass sheet, make the electrode (touch key-press zone) with given shape through etching.After upper and lower transparent conducting glass sheet is made liquid crystal cell, on these electrodes (touch key-press zone), add the appropriate voltage signal, liquid crystal molecule with dipole moment is arranged by specific direction under electric field action, and then demonstrated and the corresponding figure of electrode wavelength.
Condenser type air-conditioner controller touch-screen has the characteristics of non-direct contact, the utility model utilizes the transparent conducting glass sheet in the LCD, be that the ITO film is etched into liquid crystal display circuit and capacitive sensing and touches circuit, two kinds of circuit are incorporated on the transparent conducting glass in the LCD.
In above-mentioned novel capacitance-type air-conditioner controller touch-screen, described liquid crystal display area links to each other with master controller by the liquid crystal display driver element, and described touch key-press zone links to each other with master controller by the touch key-press decoding unit.
Compared with prior art, the advantage of this novel capacitance-type air-conditioner controller touch-screen is: 1, improve the transparent conducting glass utilization rate in the LCD, reduce the use amount of ITO film, reduce material cost.2, need not the ITO film that apts, simplify production technology.3, effectively prevent the influence of external environment factors such as filth, dust, oil stain, and not easy to wear, improved the product job stability, increase the service life.4, because of need not to take into account film apts and control panel between lead cable arrange, make the design of product have more dirigibility.
Description of drawings
Fig. 1 is the structural principle synoptic diagram of condenser type air-conditioner controller touch-screen.
Fig. 2 is a kind of structural representation of prior art.
Fig. 3 is a kind of structural representation of the present utility model.
Fig. 4 is a kind of circuit block diagram of the present utility model.
Among the figure, conductor 1, decoding chip 2, processor 3, LCD 4, touch point 5, touch key-press zone 6, button decoding unit 61, liquid crystal display area 7, liquid crystal display driver element 71, ITO film 8, transparent conducting glass sheet 9, master controller 10.
Embodiment
As shown in Figure 3 and Figure 4, this novel capacitance-type air-conditioner controller touch-screen comprises two opposed transparent conducting glass sheets 9, is provided with ITO film 8 between two transparent conducting glass sheets 9.Etching has some touch key-press zones 81 that are used for capacitive sensing on ITO film 8, and this ITO film 81 is connected with power supply with metal pins through lead-in wire, and makes liquid crystal display area 7 and touch key-press zone 6 form one.The liquid crystal display area 7 of LCD 4 links to each other with master controller 10 by liquid crystal display driver element 71, and touch key-press zone 6 links to each other with master controller 10 by touch key-press decoding unit 61.
The utility model utilizes the transparent conducting glass sheet 9 in the LCD, and promptly ITO film 8 is carved into liquid crystal display circuit and capacitive sensing and touches circuit, and two kinds of circuit are incorporated on the transparent conducting glass sheet 9 in the LCD 4.By this structure an integral body is arranged in liquid crystal display and touch key-press, has been simplified one-piece construction effectively.
LCD 4 shows that the reason of special pattern is: utilize the conducting film (ITO film 8) on the transparent conducting glass sheet 9, make the electrode (touch key-press zone 6) with given shape through etching.After upper and lower transparent conducting glass sheet 9 is made liquid crystal cell, on these electrodes (touch key-press zone 6), add the appropriate voltage signal, liquid crystal molecule with dipole moment is arranged by specific direction under electric field action, and then demonstrated and the corresponding figure of electrode wavelength.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as conductor 1, decoding chip 2, processor 3, LCD 4, touch point 5, touch key-press zone 6, button decoding unit 61, liquid crystal display area 7, liquid crystal display driver element 71, ITO film 8, transparent conducting glass sheet 9, master controller 10 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (2)
1. novel capacitance-type air-conditioner controller touch-screen, it is characterized in that, this touch-screen comprises two opposed transparent conducting glass sheets (9), between two transparent conducting glass sheets (9), be provided with ITO film (8), go up etching at ITO film (8) some touch key-press zones (81) that are used for capacitive sensing are arranged, this ITO film (81) is connected with power supply with metal pins through lead-in wire, and makes liquid crystal display area (7) and touch key-press zone (6) form one.
2. novel capacitance-type air-conditioner controller touch-screen according to claim 1, it is characterized in that, described liquid crystal display area (7) links to each other with master controller (10) by liquid crystal display driver element (71), and described touch key-press zone (6) links to each other with master controller (10) by touch key-press decoding unit (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201604969U CN201262673Y (en) | 2008-09-22 | 2008-09-22 | Novel capacitance air conditioner controller touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201604969U CN201262673Y (en) | 2008-09-22 | 2008-09-22 | Novel capacitance air conditioner controller touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201262673Y true CN201262673Y (en) | 2009-06-24 |
Family
ID=40809148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201604969U Expired - Fee Related CN201262673Y (en) | 2008-09-22 | 2008-09-22 | Novel capacitance air conditioner controller touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201262673Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003775A (en) * | 2010-11-23 | 2011-04-06 | 广东美的电器股份有限公司 | Touch screen of air conditioner |
| CN102367982A (en) * | 2011-10-09 | 2012-03-07 | 广东美的电器股份有限公司 | Air conditioner and control method thereof |
| CN102444962A (en) * | 2010-10-14 | 2012-05-09 | 珠海格力电器股份有限公司 | Air conditioner, control system and control method thereof |
| CN102576224A (en) * | 2009-08-31 | 2012-07-11 | 赤多尼科两合股份有限公司 | Operating device having a display |
| CN103712318A (en) * | 2012-10-09 | 2014-04-09 | Lg电子株式会社 | Display device of air conditioner and control method the same |
| CN104135263A (en) * | 2014-07-28 | 2014-11-05 | 江苏钟山电子器件有限责任公司 | ITO (Indium Tin Oxide) film simulation transparent touch sliding switch |
-
2008
- 2008-09-22 CN CNU2008201604969U patent/CN201262673Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102576224A (en) * | 2009-08-31 | 2012-07-11 | 赤多尼科两合股份有限公司 | Operating device having a display |
| CN102444962A (en) * | 2010-10-14 | 2012-05-09 | 珠海格力电器股份有限公司 | Air conditioner, control system and control method thereof |
| CN102003775A (en) * | 2010-11-23 | 2011-04-06 | 广东美的电器股份有限公司 | Touch screen of air conditioner |
| CN102367982A (en) * | 2011-10-09 | 2012-03-07 | 广东美的电器股份有限公司 | Air conditioner and control method thereof |
| CN103712318A (en) * | 2012-10-09 | 2014-04-09 | Lg电子株式会社 | Display device of air conditioner and control method the same |
| CN103712318B (en) * | 2012-10-09 | 2016-10-05 | Lg电子株式会社 | The display device of air conditioner and control method thereof |
| CN104135263A (en) * | 2014-07-28 | 2014-11-05 | 江苏钟山电子器件有限责任公司 | ITO (Indium Tin Oxide) film simulation transparent touch sliding switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205193777U (en) | Forced induction pattern layer and pressure sensing input device thereof | |
| CN201262673Y (en) | Novel capacitance air conditioner controller touch screen | |
| CN101526864B (en) | Touch panel | |
| CN101271373A (en) | Non-contact capacitance induction touch panel | |
| CN102124427A (en) | Capacitive touch screen panel | |
| JP4456508B2 (en) | Sensor | |
| CN105426008A (en) | Pressure sensing touch display screen and portable electronic product | |
| CN107659699A (en) | A kind of button assembly and the intelligent terminal with the button assembly | |
| CN204719367U (en) | A kind of display panels and display device | |
| CN104808876A (en) | Capacitance type touch panel | |
| CN110162214A (en) | Touch panel | |
| CN205540655U (en) | Touch screen and touch display device | |
| CN206039464U (en) | Forced induction touch screen and electronic equipment | |
| CN103197789B (en) | Contact panel | |
| CN105242805B (en) | A kind of pressure sensor | |
| CN201725303U (en) | Matrix touch panel | |
| CN102967972B (en) | Capacitive touch array substrate and manufacturing method thereof and liquid crystal panel | |
| CN203759659U (en) | Touch screen and washing machine | |
| CN102098036A (en) | Capacitive touch key device and manufacturing method thereof | |
| CN113703612B (en) | Touch button and touch device | |
| CN205862312U (en) | A kind of capacitive key device with pressure feedback function | |
| CN205353979U (en) | Forced induction touch -control display screen and portable electronic products | |
| CN103838442A (en) | Capacitive screen and manufacturing method thereof | |
| CN202886785U (en) | Capacitive touch array substrate and liquid crystal panel | |
| CN207650706U (en) | A kind of notebook Trackpad of integrated picture input function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20140922 |
|
| EXPY | Termination of patent right or utility model |