CN208539879U - A kind of capacitance type touch key and electronic product - Google Patents
A kind of capacitance type touch key and electronic product Download PDFInfo
- Publication number
- CN208539879U CN208539879U CN201821202050.8U CN201821202050U CN208539879U CN 208539879 U CN208539879 U CN 208539879U CN 201821202050 U CN201821202050 U CN 201821202050U CN 208539879 U CN208539879 U CN 208539879U
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- China
- Prior art keywords
- shield layer
- light shield
- backlight
- front panel
- capacitance type
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Abstract
The utility model discloses a kind of capacitance type touch keys, including front panel, backlight and pcb board, the front panel is transparent configuration, the backlight connects power supply, the pcb board is set between the front panel and the backlight, perforative opening is equipped in the middle part of the pcb board, the opening is used for the light transmission of the backlight, silk-screen structure is equipped between the front panel and the pcb board, the front panel is equipped with the first light shield layer towards the pcb board, first light shield layer is for cooperating the backlight to form bright pattern, the contact area of the silk-screen structure and the front panel is the region other than first light shield layer.A kind of identification pattern is formed using silk-screen structure, when mark need to be changed, backlight can be made to power on, backlight and the first light shield layer form second of identification pattern, and the change of identification pattern is able to achieve after the completion of the key assembling.The invention also discloses a kind of electronic products using above-mentioned capacitance type touch key.
Description
Technical field
The utility model relates to touch key-press technical fields, produce more particularly to a kind of capacitance type touch key and electronics
Product.
Background technique
With the fast development of electronic technology especially touch sensible technology, capacitance touch induction technology uses the longevity because of it
Life length, flexible design, advantage of lower cost is honest and clean, is conducive to the advantages such as Industrial Moulding Design, is widely applied to mobile phone, TV
On machine, air-conditioning, video disc player and a variety of household small household electrical appliances.
Capacitance type touch key needs screen printing pattern on the control panel, such as grant number CN since physical button is not present in it
A kind of expansible capacitance type touch key applied on satellite modem, user disclosed in 203504525 U can pass through
The pattern of silk-screen judges corresponding function.
The capacitance type touch key of the prior art, due to judging that the function of touch-control, key group are installed by silk-screen structure
Cheng Hou can not be modified pattern, when key need to correspond to multiple functions, can not also change pattern identification.
Utility model content
One purpose of the utility model is to propose a kind of capacitance type touch key that can change pattern.
A kind of capacitance type touch key, including front panel, backlight and pcb board, the front panel is transparent configuration, described
Backlight connects power supply, and for the backlight for illuminating the front panel, the pcb board is set to the front panel and the back
Between light lamp, perforative opening is equipped in the middle part of the pcb board, the opening is used for the light transmission of the backlight, the front panel
Silk-screen structure is equipped between the pcb board, the front panel is equipped with the first light shield layer towards the pcb board, and described first hides
For photosphere for cooperating the backlight to form bright pattern, the contact area of the silk-screen structure and the front panel is described the
Region other than one light shield layer.
According to the utility model proposes capacitance type touch key, form a kind of identification pattern using silk-screen structure, when need
When changing mark, backlight can be made to power on, backlight and the first light shield layer form second of identification pattern, even if the key
Also the change of identification pattern is able to achieve after being completed.
In addition, can also have the following additional technical features: according to capacitance type touch key provided by the utility model
Further, first light shield layer prevents the first light shield layer and silk-screen structure around the silk-screen structure setting
Between influence each other.
Further, loophole is equipped on the pcb board between the pcb board edge and the silk-screen structure, is prevented
Only silk-screen structure, which is blocked from the light that opening issues, leads to not the pattern for showing the first light shield layer.
Further, the loophole is waist-shaped hole, then loophole can increase length under limited width, increase
The light that unthreaded hole can pass through.
Further, barn door is equipped between the front panel and the backlight, the barn door is by the backlight
It is divided into the first backlight and the second backlight, first backlight and second backlight are separately connected power supply, and the barn door passes through
The opening setting, then can light the first backlight or the second backlight respectively, recycle barn door that can form two on the front panel
The different bright identification pattern of kind.
Further, the front panel corresponds to the barn door equipped with groove, and the barn door is arranged in the groove,
The light that the gap that then can be reduced barn door makes light between barn door and front panel because shaded effect is bad passes through prevents from distinguishing
Influence when opening the first backlight or the second backlight to identification pattern.
Further, it is located in the barn door on the front panel and is equipped with the second light shield layer and third light shield layer, it is described
Second light shield layer is arranged around the third light shield layer, and second light shield layer and the third light shield layer are used to form mark figure
Case, different identification patterns can be formed by designing different the second light shield layer and third light shield layer.
Further, first light shield layer, the second light shield layer and third light shield layer are impermeable light coating or paster structure.
Further, first light shield layer, the second light shield layer and third light shield layer are black, then when backlight is not opened
The first light shield layer, the second light shield layer and third light shield layer and front panel are all black when opening, and can not be differentiated, only when backlight is opened
It could Division identification pattern when opening.
Another purpose of the utility model is to propose a kind of electronic product using above-mentioned capacitance type touch key, be somebody's turn to do
Electronic product can be mobile phone, television set, air-conditioning, video disc player or other any electronic products using touch key-press.
The beneficial effects of the utility model are: a kind of identification pattern is formed using silk-screen structure, it, can when mark need to be changed
Power on backlight, backlight and the first light shield layer form second of identification pattern, after the completion of the key assembling
It is able to achieve the change of identification pattern；Backlight is divided into the first backlight and the second backlight, the first light shield layer of cooperation, the second light shield layer and
Third light shield layer realizes the change of multiple patterns.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the schematic cross-sectional view of the capacitance touch button of the utility model first embodiment；
Fig. 2 is the structural schematic diagram of front panel in Fig. 1；
Fig. 3 is the structural schematic diagram of pcb board in Fig. 1；
In figure: 1- front panel, the first light shield layer of 11-, the second light shield layer of 12-, 13- third light shield layer, 14- groove, 2- back
Light lamp, the first backlight of 21-, the second backlight of 22-, 23- barn door, 3- silk-screen structure, 4-PCB plate, 41- opening, 42- loophole.
Specific embodiment
It is practical to this with reference to the accompanying drawing to keep the purpose of this utility model, feature and advantage more obvious and easy to understand
Novel specific embodiment is described in detail.Several embodiments of the utility model are given in attached drawing.But this is practical
It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example is to keep the disclosure to the utility model more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", "upper", "lower" and similar statement for illustrative purposes only, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.Term " and or " used herein includes one or more relevant listed items
Any and all combinations.
It please refers to Fig.1 to Fig.3, the first embodiment of the utility model proposes a kind of capacitance type touch key, including front
Plate 1, backlight 2 and pcb board 4.
The front panel 1 is transparent configuration, and the backlight 2 connects power supply (not shown), the power supply can for battery or
Alternating current, for the backlight 2 for illuminating the front panel 1, the pcb board 4 is set to the front panel 1 and the backlight
Perforative opening 41 is equipped between 2, in the middle part of the pcb board 4, the opening 41 is used for the light transmission of the backlight 2, the front
Silk-screen structure 3 is equipped between plate 1 and the pcb board 4, the front panel 1 is equipped with the first light shield layer 11, institute towards the pcb board 4
The pattern that the first light shield layer 11 becomes clear for cooperating the backlight 2 to be formed is stated, is equivalent to and lights front panel 1, the silk-screen knot
The contact area of structure 3 and the front panel 1 is the region other than first light shield layer 11.
A kind of identification pattern is formed using silk-screen structure 3, when mark need to be changed, backlight 2 can be made to power on, backlight
Lamp 2 and the first light shield layer 11 form second of identification pattern, are able to achieve changing for identification pattern after the completion of the key assembling
Become.
First light shield layer 11 is arranged around the silk-screen structure 3, prevents between the first light shield layer 11 and silk-screen structure 3
It influences each other.
Loophole 42 is equipped on the pcb board 4 between the edge and the silk-screen structure 3 of the pcb board 4, is prevented
Silk-screen structure 3, which is blocked from the light that opening 41 issues, leads to not the pattern for showing the first light shield layer 11.
The loophole 42 is waist-shaped hole, can be straight structure, or arcuate structure, then loophole 42 can have
Increase length under the width of limit, increases the light that loophole 42 can pass through.
Barn door 23 is equipped between the front panel 1 and the backlight 2, the barn door 23 divides the backlight 2
For the first backlight 21 and the second backlight 22, first backlight 21 and second backlight 222 are separately connected power supply or control and open
It closes, the barn door 23 passes through 41 setting of opening, then can light the first backlight 21 or the second backlight 22 respectively, recycle and hide
Tabula rasa 23 can form two different bright identification patterns on plate 1 in front.
Preferably, the corresponding barn door 23 of the front panel 1 is equipped with groove 14, and the barn door 23 is set to described recessed
In slot 14, then the gap that can be reduced barn door 23 makes light between barn door 23 and front panel 1 because shaded effect is bad passes through
Light, influence when preventing from being separately turned on the first backlight 21 or the second backlight 22 to identification pattern.
It is located in the barn door on the front panel 1 and is equipped with the second light shield layer 12 and third light shield layer 13, described second
Light shield layer 12 is arranged around the third light shield layer 13, and second light shield layer 12 and the third light shield layer 13 are used to form mark
Know pattern, different identification patterns can be formed by designing different the second light shield layer 12 and third light shield layer 13.
In the present embodiment, first light shield layer 11, the second light shield layer 12 and third light shield layer 13 are impermeable light coating,
In other embodiments, the first light shield layer 11, the second light shield layer 12 and third light shield layer 13 or paster structure.
Preferably, first light shield layer 11, the second light shield layer 12 and third light shield layer 13 are black, then work as backlight
2 when being not turned on, the first shading, and the 11, second light shield layer 12 and third light shield layer 13 and front panel 1 are all black, can not differentiate, nothing
Special pattern in addition to silk-screen structure 3, only could Division identification pattern when backlight 2 is opened.
The second embodiment of the utility model proposes a kind of electronic product, which includes at least in first embodiment
Capacitance type touch key, the electronic product can be mobile phone, television set, air-conditioning, video disc player or other it is any using touch by
The electronic product of key.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of capacitance type touch key, which is characterized in that including front panel, backlight and pcb board, the front panel is transparent
Structure, the backlight connect power supply, and for the backlight for illuminating the front panel, the pcb board is set to the front
Between plate and the backlight, perforative opening is equipped in the middle part of the pcb board, the opening is used for the light transmission of the backlight,
Silk-screen structure is equipped between the front panel and the pcb board, the front panel is equipped with the first light shield layer towards the pcb board,
First light shield layer is for cooperating the backlight to form bright identification pattern, the silk-screen structure and the front panel
Contact area is the region other than first light shield layer.
2. capacitance type touch key according to claim 1, which is characterized in that first light shield layer is around the silk-screen
Structure setting.
3. capacitance type touch key according to claim 1, which is characterized in that positioned at the pcb board on the pcb board
Loophole is equipped between edge and the silk-screen structure.
4. capacitance type touch key according to claim 3, which is characterized in that the loophole is waist-shaped hole.
5. capacitance type touch key according to claim 1, which is characterized in that between the front panel and the backlight
Equipped with barn door, the backlight is divided into the first backlight and the second backlight, first backlight and described by the barn door
Two backlights are separately connected power supply, and the barn door is arranged across the opening.
6. capacitance type touch key according to claim 5, which is characterized in that the front panel corresponds to the barn door and sets
Fluted, the barn door is arranged in the groove.
7. capacitance type touch key according to claim 5, which is characterized in that be located at the barn door on the front panel
It is inside equipped with the second light shield layer and third light shield layer, second light shield layer is arranged around the third light shield layer, and described second hides
Photosphere and the third light shield layer are used to form identification pattern.
8. capacitance type touch key according to claim 7, which is characterized in that first light shield layer, the second light shield layer
It is impermeable light coating or paster structure with third light shield layer.
9. capacitance type touch key according to claim 7, which is characterized in that first light shield layer, the second light shield layer
It is black with third light shield layer.
10. a kind of electronic product, which is characterized in that including capacitance type touch key described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202050.8U CN208539879U (en) | 2018-07-26 | 2018-07-26 | A kind of capacitance type touch key and electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202050.8U CN208539879U (en) | 2018-07-26 | 2018-07-26 | A kind of capacitance type touch key and electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208539879U true CN208539879U (en) | 2019-02-22 |
Family
ID=65386879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821202050.8U Expired - Fee Related CN208539879U (en) | 2018-07-26 | 2018-07-26 | A kind of capacitance type touch key and electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208539879U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182680A (en) * | 2020-01-20 | 2020-05-19 | 深圳市创维群欣安防科技股份有限公司 | Button device and conference are dull and stereotyped |
| CN111917404A (en) * | 2020-07-08 | 2020-11-10 | 上汽大众汽车有限公司 | Touch switch assembly with active optical feedback and control method |
| WO2023024092A1 (en) * | 2021-08-26 | 2023-03-02 | 深圳市国电赛思科技有限公司 | Touch key module and control panel |
-
2018
- 2018-07-26 CN CN201821202050.8U patent/CN208539879U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182680A (en) * | 2020-01-20 | 2020-05-19 | 深圳市创维群欣安防科技股份有限公司 | Button device and conference are dull and stereotyped |
| CN111182680B (en) * | 2020-01-20 | 2021-11-02 | 深圳创维数字技术有限公司 | Button device and conference are dull and stereotyped |
| CN111917404A (en) * | 2020-07-08 | 2020-11-10 | 上汽大众汽车有限公司 | Touch switch assembly with active optical feedback and control method |
| CN111917404B (en) * | 2020-07-08 | 2023-08-25 | 上汽大众汽车有限公司 | Touch switch assembly with active optical feedback and control method |
| WO2023024092A1 (en) * | 2021-08-26 | 2023-03-02 | 深圳市国电赛思科技有限公司 | Touch key module and control panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |