CN103218047A - Touch keyboard - Google Patents
Touch keyboard Download PDFInfo
- Publication number
- CN103218047A CN103218047A CN201210016188XA CN201210016188A CN103218047A CN 103218047 A CN103218047 A CN 103218047A CN 201210016188X A CN201210016188X A CN 201210016188XA CN 201210016188 A CN201210016188 A CN 201210016188A CN 103218047 A CN103218047 A CN 103218047A
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- light guide
- guide plate
- light
- control panel
- tin oxide
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Abstract
The invention discloses a touch keyboard, comprising a control part, a light panel, a reflector, a shell and a protection piece, wherein the control part is composed of a control panel, an upper indium tin oxide (ITO) film and a lower ITO film; a capacitance touch sensing integrated circuit, a microprocessor and a communication integrated circuit are arranged on the top surface of the control panel; the side edges of the bottom of the control panel are provided with a plurality of light emitting diode light sources; the two ITO films are etched to form patterns, and are stuck vertically; interval sheets or interval points with proper thickness are stuck or printed in parallel between the two ITO films; the light panel is stuck under the two ITO films and is provided with characters which are formed through printing or microstructures, and the light panel can supply light paths; the reflector is arranged on one side surface of the light panel, and is capable of reflecting light rays to the light panel; the shell is used for accommodating the control part, the light panel and the reflector; and the protection piece which is transparent or semi-transparent and is made of glass or plastic covers on the shell.
Description
Technical field
The present invention relates to a kind of tactile keyboard, particularly relate to the luminous touch membrane keyboard of a kind of energy.
Background technology
As Fig. 4 and shown in Figure 5, traditional a kind of touch illuminated keyboard 200 includes: the screening glass (cover lens) 210 of transparent or semitransparent glass or plastic cement, the plated film that has one or more layers on it, the function that this plated film has diffusion, blast and covers unwanted light; A light guide plate 220 has by printing or the made character 221 of microstructure and the function of light path is provided, and this light guide plate 220 is positioned under this screening glass 210; A reflecting plate 230 is positioned under this light guide plate 220; An and touch-control circuit plate 240, symmetry is provided with a plurality of light emitting diode 241 as light source around it, this touch-control circuit plate 240 is provided with corresponding, the same number of capacitive sensing electrode 242 in position with the character 221 of this light guide plate 220, its circuit has the capacitance variations perception and the capacitance variations that will respond to is converted to the function of digital signal, so that this digital signal is sent to control device, to carry out the operational order that transmits general keypad code or other codings, this touch-control circuit plate 240 is positioned under this reflecting plate.
Because the touch-control circuit plate 240 of above-mentioned traditional touch illuminated keyboard 200 is to adopt general circuit board commonly used, has certain thickness, frivolous with portable electronic apparatus demand today, this thick and heavy touch-control circuit plate 240 has not been inconsistent demand, and consider with regard to cost and also to be not suitable for large-scale keyboard, therefore, these shortcomings have and need be enhanced.
Summary of the invention
A purpose of the present invention is to provide a kind of tactile keyboard, it is with control panel and two tin indium oxide (Indium Tin Oxide of a lath-shaped, ITO) control part formed of film, substitute the thick and heavy touch-control circuit plate of traditional tactile keyboard, with quality that promotes tactile keyboard and the production capacity that increases manufacturing.
For achieving the above object, tactile keyboard of the present invention comprises:
One control part, it is made up of a control panel and upper and lower two indium tin oxide films that are pasted together, and this control panel is lath-shaped and is electrically connected between the side of this upper and lower two tin indium oxides (ITO) film;
A light guide plate is positioned under this time indium tin oxide films, and in order to directing light, and its surface has by printing or the made character of microstructure;
A reflecting plate is positioned at a side of this light guide plate, in order to light is reflexed to this light guide plate;
A shell comprises a diapire and the perisporium around this bottom wall edge, and forms an accommodation space with a upper shed, with ccontaining this control part, this light guide plate and this reflecting plate; And
A screening glass is covered in the upper shed of this shell, has one or more layers plated film on it, and this plated film can diffusion, blast and covered unwanted light.
Preferably, the control panel of this control part be a lath-shaped and with this on, following two tin indium oxides (ITO) film is to be connected with anisotropic conductive, and on being somebody's turn to do, the base material of following two tin indium oxides (ITO) film is polycarbonate (Polycarbonate, PC), poly terephthalic acid diol ester (Polyethelene terephthalate, PET), or glass or acryl resin, on being somebody's turn to do, following two tin indium oxides (ITO) film is pasted together up and down, distance piece or spaced points that it is middle and stick or print suitable thickness, this distance piece or spaced points are transparent or semitransparent, and on being somebody's turn to do, following two tin indium oxides (ITO) film is patterned, after making that both patterns overlap up and down, form the capacitive sensing electrode of a plurality of marshallings.
Preferably, the end face of this control panel is provided with capacitance touching control inducting IC (IC), microprocessor and communication IC, and the bottom surface side of this control panel is provided with a plurality of light emitting diodes (LED) light source symmetrically.
Preferably, the position of the character on this light guide plate is corresponding to the patterned formed capacitive sensing electrode of this upper and lower two tin indium oxides (ITO) film, be pasted on the bottom surface of this time tin indium oxide (ITO) film around this light guide plate with double faced adhesive tape, make this light guide plate and this control part form one, and this reflecting plate place the below, bottom surface of this light guide plate and is positioned on the diapire of this accommodation space.
Preferably, the character that is arranged at this light guide plate also can be printed in the back side of this screening glass, to allow this screening glass form the shade with character, makes light only see through the shade slit and appears.
Preferably, this reflecting plate, light guide plate and control part are from top to bottom organized in regular turn to be established, and this control panel bottom surface is provided with capacitance touching control inducting IC, microprocessor and communication IC, and control panel end face side is symmetrical arranged a plurality of light emitting diodes (LED) light source.
Preferably; the material of this light guide plate is acryl resin or polycarbonate (PC) or poly terephthalic acid diol ester (PET); the material of this reflecting plate is a white poly terephthalic acid diol ester (PET); or the paper or the film of other printing Chinese whites, the material of this screening glass is transparent or semitransparent glass or acryl resin or polycarbonate (PC) or poly terephthalic acid diol ester (PET).
The control part that the present invention is formed with control panel and two soft tin indium oxides (ITO) film of a lath-shaped substitutes general thick and heavy touch-control circuit plate, when making, can promote the quality of keyboard and increase the production capacity of making, reach effect of the present invention and purpose.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the tactile keyboard of a preferred embodiment of the present invention.
Fig. 2 is the diagrammatic cross-section of present embodiment tactile keyboard.
The character that Fig. 3 will be arranged at light guide plate for the present embodiment tactile keyboard changes the synoptic diagram at the back side that is printed in screening glass into.
Fig. 4 is the three-dimensional exploded view of traditional touch illuminated keyboard.
Fig. 5 is the diagrammatic cross-section of traditional touch illuminated keyboard.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, the specific embodiment of the present invention is elaborated below in conjunction with accompanying drawing.Need to prove that at first the present invention is not limited to following embodiment, those skilled in the art should understand the present invention from the spirit that following embodiment embodied, and each technical term can be done the most wide in range understanding based on spirit of the present invention.Same or analogous member uses the same reference numerals to represent among the figure.
To shown in Figure 3, the tactile keyboard 100 of a preferred embodiment of the present invention includes referring to Fig. 1: a control part 1, a light guide plate 2, a reflecting plate 3, a shell 4, an and screening glass 5.
This control part 1 is made up of a control panel 11 and 13,14 of upper and lower two tin indium oxides (ITO) films, and the base material of upper and lower two tin indium oxides (ITO) film 13,14 is polycarbonate (Polycarbonate, PC) or the poly terephthalic acid glycol (Polyethelene terephthalate, PET), glass or acryl resin.This control panel 11 is electrically connected between the side of this upper and lower two tin indium oxides (ITO) film 13,14 with anisotropic conductive; End face in this control panel 11 is provided with capacitance touching control inducting IC (IC), microprocessor and communication IC, or the microprocessor of capacitance touching control inducting IC (IC) and band communication function, and as shown in Figure 2, be provided with a plurality of light emitting diodes (LED) light source 12 symmetrically in the bottom surface of this control panel 11 side; This upper and lower two tin indium oxides (ITO) film 13,14 patterned (for example etching), and be pasted together up and down, both transparent or semitransparent distance piece 15 or spaced points middle and that stick or print suitable thickness, and this etched pattern after these upper and lower two tin indium oxides (ITO) film 13,14 overlappings forms the capacitive sensing electrode 16 of marshalling.
The material of this light guide plate 2 is acryl resin or polycarbonate (PC) or poly terephthalic acid diol ester (PET), have by printing or the made character 21 of microstructure and the function of light path is provided, its character is except that must be for the character on the general keyboard, also can be other characters, the position of this character 21 is corresponding on this, following two tin indium oxides (ITO) film 13,14 with the formed capacitive sensing electrode 16 of patterning, this light guide plate 2 places under this time tin indium oxide (ITO) film 14, be pasted under this time tin indium oxide (ITO) film 14 with double faced adhesive tape 22 around it, make this light guide plate 2 and this control part 1 form one.
The material of this reflecting plate 3 is a white poly terephthalic acid diol ester (PET), or paper, the film of other printing Chinese whites, and places under this light guide plate 2.
This shell 4 is uncovered box bodies, it comprises a diapire 41 and the perisporium 42 around these diapire 41 peripheries, and formation has an accommodation space 44 of a upper shed 43, accommodation space 44 makes this reflecting plate 3 place the diapire 41 of this shell 4 in order to from top to bottom ccontaining in regular turn this control part 1, this light guide plate 2 and this reflecting plate 3.
The material of this screening glass 5 is transparent or semitransparent glass or plastic cement, and it is covered on this shell 4, and has one or more layers plated film on this screening glass 5, the function that this plated film has diffusion, blast and covers unwanted light.
The group of present embodiment tactile keyboard 100 cube formula is: at first should upper and lower two tin indium oxides (ITO) film 13,14 patterning, and after both patterns are overlapped up and down, form the capacitive sensing electrode 16 of a plurality of marshallings; Should be pasted together by upper and lower two tin indium oxides (ITO) film 13,14 centre and the transparent or semitransparent distance piece 15 or the spaced points of sticking or printing suitable thickness subsequently up and down; Secondly, this control panel 11 that is lath-shaped and this upper and lower two tin indium oxides (ITO) film 13,14 are connected with anisotropic conductive 16, make this control panel 11 in the front side, these upper and lower two tin indium oxides (ITO) 13,14 films are at rear side; Then, with the double faced adhesive tape 22 of strip be affixed on this light guide plate 2 around, and, make light guide plate 2 and this control part 1 form one with its lower surface that is affixed on this time tin indium oxide (ITO) film 14; Again secondly, from lower to upper this reflecting plate 3 and the light guide plate 2 that formed one and control part 1 are placed in regular turn on the diapire 41 of accommodation space 44 of this shell 4; At last this screening glass 5 is covered on this shell 4.So far, the upright work of tactile keyboard 100 main groups is all finished.
The function of tactile keyboard 100 of the present invention is: after 100 groups of upright finishing of tactile keyboard, with these screening glass 5 surfaces of finger touch, the capacitance touching control inducting IC (IC) that is provided with on this control panel 11 can be sensed on this, following two tin indium oxides (ITO) 13, capacitance variations between 14 films, and produce touching signals and make to microprocessor and light this a plurality of light emitting diodes 12, emit beam by these a plurality of light emitting diodes 12, and by the reflection function of this reflecting plate 3, and inject the ray refraction of light guide plate 2, character 21 on this light guide plate 2 is clearly appeared in one's mind, again by the diffusion of this screening glass 5, the function of blast and shield lights makes the character 21 on this light guide plate 2 more clear; Again with the character 21 on this light guide plate 2 of finger touch, the capacitance of these upper and lower two tin indium oxides (ITO) film 13,14 corresponding capacitive sensing electrodes 16 is changed, and by means of the capacitance voltage change-over circuit in the capacitance touching control inducting IC (IC) on the control panel 11, this capacitance is converted to magnitude of voltage is converted to digital signal again, by microprocessor this digital signal is sent to a control device (figure does not show), transmits the character of general keyboard or the operational order of other characters with execution; And detect these tactile keyboards 100 when a period of time does not use when control panel 11, promptly should extinguish by a plurality of light emitting diodes 12 automatically, to save electric power.
And another feature of tactile keyboard 100 of the present invention is: control panel 11 and two soft tin indium oxides (ITO) film, 13,14 control parts of being formed 1 with a lath-shaped substitute general thick and heavy touch-control circuit plate, can alleviate the weight and the thickness of integral keyboard, and when making, can promote the quality of keyboard and increase the production capacity of making.
In addition, the annexation up and down of tactile keyboard 100 relevant parts of the present invention can from top to bottom be: control part 1, light guide plate 2 and reflecting plate 3 as described above; Also can from top to bottom be: reflecting plate 3, light guide plate 2, and control part 1, and former capacitance touching control induction IC, microprocessor and the communication IC that is arranged at these control panel 11 end faces changes and is arranged at this control panel 11 bottom surfaces, and a plurality of light emitting diodes (LED) light source 12 that is symmetricly set in these control panel 11 bottom surfaces changes the end face that is arranged at this control panel 11, and does not influence its original function.And the former character 21 that is arranged at light guide plate 2 also can change the back side that is printed in screening glass 5 as shown in Figure 3, forms the shade with character 21, makes light only see through the shade slit and appears.
Should be understood that those skilled in the art can make various changes or modifications the present invention after having read above-mentioned teachings of the present invention, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (7)
1. a tactile keyboard is characterized in that, this tactile keyboard comprises:
One control part, it is made up of a control panel and upper and lower two indium tin oxide films that are pasted together, and this control panel is lath-shaped and is electrically connected between the side of these upper and lower two indium tin oxide films;
A light guide plate is positioned under this time indium tin oxide films, and in order to directing light, and its surface has by printing or the made character of microstructure;
A reflecting plate is positioned at a side of this light guide plate, in order to light is reflexed to this light guide plate;
A shell comprises a diapire and the perisporium around this bottom wall edge, and forms an accommodation space with a upper shed, with ccontaining this control part, this light guide plate and this reflecting plate; And
A screening glass is covered in the upper shed of this shell, has one or more layers plated film on it, with diffusion, blast and cover unwanted light.
2. tactile keyboard as claimed in claim 1, it is characterized in that: the control panel of this control part with should on, following two indium tin oxide films are to be connected with anisotropic conductive, and on being somebody's turn to do, the base material of following two indium tin oxide films is a polycarbonate, the poly terephthalic acid diol ester, or glass or acryl resin, on being somebody's turn to do, following two indium tin oxide films are pasted together up and down, distance piece or spaced points that it is middle and stick or print suitable thickness, this distance piece or spaced points are transparent or semitransparent, and on being somebody's turn to do, following two indium tin oxide films are patterned, after making that both patterns overlap up and down, form the capacitive sensing electrode of a plurality of marshallings.
3. tactile keyboard as claimed in claim 2 is characterized in that: the end face of this control panel is provided with capacitance touching control inducting IC, microprocessor and communication IC, and the bottom surface side of this control panel is provided with a plurality of LED source symmetrically.
4. tactile keyboard as claimed in claim 3, it is characterized in that: the position of the character on this light guide plate is corresponding to the patterned formed capacitive sensing electrode of these upper and lower two indium tin oxide films, be pasted on the bottom surface of this time indium tin oxide films around this light guide plate with double faced adhesive tape, make this light guide plate and this control part form one, and this reflecting plate place the below, bottom surface of this light guide plate and is positioned on the diapire of this accommodation space.
5. tactile keyboard as claimed in claim 3 is characterized in that: the character that is arranged at this light guide plate is printed in the back side of this screening glass, to allow this screening glass form the shade with character, makes light only see through the shade slit and appears.
6. tactile keyboard as claimed in claim 2, it is characterized in that: this reflecting plate, light guide plate and control part are from top to bottom organized in regular turn to be established, and this control panel bottom surface is provided with capacitance touching control inducting IC, microprocessor and communication IC, and control panel end face side is symmetrical arranged a plurality of LED source.
7. as claim 1 to 6 each described tactile keyboard wherein; it is characterized in that: the material of this light guide plate is acryl resin or polycarbonate or poly terephthalic acid diol ester; the material of this reflecting plate is white poly terephthalic acid diol ester; or the paper or the film of other printing Chinese whites, the material of this screening glass is transparent or semitransparent glass or acryl resin or polycarbonate or poly terephthalic acid diol ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210016188.XA CN103218047B (en) | 2012-01-18 | 2012-01-18 | Tactile keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210016188.XA CN103218047B (en) | 2012-01-18 | 2012-01-18 | Tactile keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103218047A true CN103218047A (en) | 2013-07-24 |
| CN103218047B CN103218047B (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210016188.XA Expired - Fee Related CN103218047B (en) | 2012-01-18 | 2012-01-18 | Tactile keyboard |
Country Status (1)
| Country | Link |
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| CN (1) | CN103218047B (en) |
Cited By (11)
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| CN103401967A (en) * | 2013-08-09 | 2013-11-20 | 上海华勤通讯技术有限公司 | Mobile terminal and touch screen thereof |
| CN103744522A (en) * | 2014-01-08 | 2014-04-23 | 珠海市智迪科技有限公司 | Static-capacitive film touch keyboard |
| CN106293201A (en) * | 2016-07-26 | 2017-01-04 | 广东美的厨房电器制造有限公司 | Contact panel and electrical equipment |
| WO2018001221A1 (en) * | 2016-06-29 | 2018-01-04 | 青岛海尔洗衣机有限公司 | Operation display device for home appliance and washing machine |
| CN107787474A (en) * | 2016-06-23 | 2018-03-09 | 株式会社音乐派索 | Electronic equipment with multi-functional man-machine interface |
| CN110568942A (en) * | 2019-05-02 | 2019-12-13 | 义隆电子股份有限公司 | Light-emitting touch panel |
| WO2020000861A1 (en) * | 2018-06-26 | 2020-01-02 | Boe Technology Group Co., Ltd. | Touch panel and manufacturing method thereof |
| CN111653445A (en) * | 2020-07-20 | 2020-09-11 | 深圳市汇慧鑫科技有限公司 | Injection molded membrane switch |
| CN111722734A (en) * | 2019-03-20 | 2020-09-29 | 群光电能科技股份有限公司 | Light-emitting touch panel device |
| US11009990B2 (en) | 2016-05-01 | 2021-05-18 | Innopresso, Inc. | Electronic device having multi-functional human interface |
| US11068079B2 (en) | 2016-05-01 | 2021-07-20 | Innopresso, Inc. | Electronic device having multi-functional human interface |
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| CN103401967B (en) * | 2013-08-09 | 2016-02-10 | 上海华勤通讯技术有限公司 | Mobile terminal and touch-screen thereof |
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| US10921902B2 (en) | 2016-06-23 | 2021-02-16 | Innopresso, Inc. | Electronic device having multi-functional human interface |
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| US11526213B2 (en) | 2016-06-23 | 2022-12-13 | Mokibo, Inc. | Electronic device having multi-functional human interface |
| CN107787474B (en) * | 2016-06-23 | 2021-04-23 | 株式会社音乐派索 | Electronic equipment with multifunctional man-machine interface |
| US10976832B2 (en) | 2016-06-23 | 2021-04-13 | Innopresso, Inc. | Electronic device having multi-functional human interface |
| US10921901B2 (en) | 2016-06-23 | 2021-02-16 | Innopresso, Inc. | Electronic device having multi-functional human interface |
| CN107541903A (en) * | 2016-06-29 | 2018-01-05 | 青岛海尔洗衣机有限公司 | A kind of operation display device and washing machine for household electrical appliances |
| CN107541903B (en) * | 2016-06-29 | 2020-04-24 | 青岛海尔洗衣机有限公司 | Operation display device for household appliances and washing machine |
| WO2018001221A1 (en) * | 2016-06-29 | 2018-01-04 | 青岛海尔洗衣机有限公司 | Operation display device for home appliance and washing machine |
| CN106293201A (en) * | 2016-07-26 | 2017-01-04 | 广东美的厨房电器制造有限公司 | Contact panel and electrical equipment |
| WO2020000861A1 (en) * | 2018-06-26 | 2020-01-02 | Boe Technology Group Co., Ltd. | Touch panel and manufacturing method thereof |
| US11360624B2 (en) | 2018-06-26 | 2022-06-14 | Hefei Xinsheng Optoelectronics Technology Co., Ltd | Touch panel and manufacturing method thereof |
| CN111722734A (en) * | 2019-03-20 | 2020-09-29 | 群光电能科技股份有限公司 | Light-emitting touch panel device |
| CN111722734B (en) * | 2019-03-20 | 2024-01-02 | 群光电能科技股份有限公司 | Luminous touch panel device |
| CN110568942A (en) * | 2019-05-02 | 2019-12-13 | 义隆电子股份有限公司 | Light-emitting touch panel |
| CN110568942B (en) * | 2019-05-02 | 2023-05-26 | 义隆电子股份有限公司 | Luminous touch panel |
| CN111653445A (en) * | 2020-07-20 | 2020-09-11 | 深圳市汇慧鑫科技有限公司 | Injection molded membrane switch |
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|---|---|
| CN103218047B (en) | 2016-04-13 |
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