CN202172038U - Button structure - Google Patents
Button structure Download PDFInfo
- Publication number
- CN202172038U CN202172038U CN2011201919142U CN201120191914U CN202172038U CN 202172038 U CN202172038 U CN 202172038U CN 2011201919142 U CN2011201919142 U CN 2011201919142U CN 201120191914 U CN201120191914 U CN 201120191914U CN 202172038 U CN202172038 U CN 202172038U
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- key
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Abstract
The present utility model relates to a button structure. The structure comprises a circuit board; a metal elastic sheet which is arranged above the circuit board; a protruding point which is arranged above the metal elastic sheet; and a keycap component which is arranged above the protruding point. The keycap component comprises a laminated object, the laminated object comprises a transparent plastic layer, a key surface background color layer and a shading color layer, the three layer are laminated together, wherein the key surface background color layer comprises a first hollowed pattern, the shading color layer comprises a second hollowed pattern, the edge of the second hollowed pattern is aligned with the edge of the first hollowed pattern, and the shading color layer is arranged between the key surface background color layer and the protruding point, thus the button pattern halation problem can be avoided.
Description
Technical field
The utility model relates to a kind of press-key structure, particularly relates to having the button pattern press-key structure of (comprising font).
Background technology
Electronic product for example mobile phone (Cell Phone), intelligent mobile phone (Smart Phone), personal digital assistant (Personal Digital Assistant PDA) or the like can be provided with press-key structure usually.Fig. 1 shows the schematic cross-section of the font architecture on the press-key structure of prior art.What show among the figure is the situation of light button; Have on transparent PC (Merlon (the polycarbonate)) film 2 to form one deck printed in white layer 4, printed in white layer 4 has just had a hollow out font pattern being printed onto 2 last times of PC film, because covering property of white itself is poor; Must be again in white layer printing covering property printing ink together; For example the silver color light shield layer 6, and silver color light shield layer 6 also has the hollow out font pattern corresponding to printed in white layer 4, then; Form one deck grey printing opacity color layers 8 again, this layer can provide the table look of printing opacity font.But because of the button pattern is very thin, can there be the chromatography spacing in the utilization of different screen printing plates, can make the hollow out font of the hollow out font live width of silver color light shield layer 6 greater than printed in white layer 4 usually; As alignment error; In graphic, two pattern overlappings, but the edge is at a distance of the distance of d; Generally, this can be for example about 0.25mm apart from d.Yet; The spacing range of this section chromatography can't produce the function of covering, and causes printing opacity (halation) problem, and is as shown in Figure 2; The user sees button by PC film 2 surfaces; Except hollow out font 7 appeared the light under the button, GLOW INCLUSION AREA 9 also appeared faint light, influenced the aesthetic feeling of whole button font clear and definite.
TOHKEMY discloses a kind of key switch 2007-73463 number, and its keycap body is by resin and begin lamination formed coating with such order from the keycap body surface by first resin film, inorganic substances coating and transparent second resin film and constituted.The inorganic substances coating is coated by resin film, can avoid the problem of inorganic substances coating corrosion or skin contact allergy.
TOHKEMY 2006-59677 number open with three screen printing plates respectively with the color printing of three kinds of tones of gray on the printing table chromatograph below key cap surface or the transparent keycap, make the key panel color have gradually layer.
Therefore, for example above-mentioned light color is printing opacity (halation) problem, still needs a kind of press-key structure of novelty to solve.
The utility model content
A purpose of the utility model provides a kind of press-key structure, can improve like above-mentioned prior art button font halation problem.
A specific embodiment according to the utility model provides a kind of press-key structure, and it comprises circuit board; The metal clips of position above circuit board; The salient point of position above metal clips; With the keycap parts of position above salient point, the keycap parts comprise a layer compound, and layer compound comprises clarity plastic layer, key face background color layer and shading color layers; This is three stacked together; Wherein, key face background color layer comprises first pierced pattern, and the shading color layers comprises second pierced pattern; The edge of the edge of second pierced pattern and first pierced pattern is aligned with each other, and shading color layers position is between key face background color layer and salient point.
According to foregoing, this key face background color layer of the utility model has the color of light color system.
According to foregoing, this of the utility model layer compound forms the keycap housing, and these keycap parts comprise that also the keycap bulk material is filled in this keycap housing.
According to foregoing, this clarity plastic layer of the utility model cover this key face background color layer, position between this key face background color layer and this shading color layers or the position between this shading color layers and this salient point.
According to foregoing, these keycap parts of the utility model also comprise the printing opacity color layers, and this printing opacity color layers position is between this shading color layers and this salient point.
According to foregoing, these keycap parts of the utility model also comprise the printing opacity color layers, and this printing opacity color layers position is between this shading color layers and this salient point.
According to foregoing, these keycap parts of the utility model also comprise curing resin layer, and this curing resin layer has keycap shape and position on the one side of this clarity plastic layer, and this key face background color layer and this shading color layers position are on the another side of this clarity plastic layer.
According to foregoing, these keycap parts of the utility model also comprise the printing opacity color layers, and this printing opacity color layers position is between this shading color layers and this salient point.
The advantage of the utility model is, the edge of the pierced pattern of its edge and key face background color layer through the pierced pattern of the shading color layers of keycap parts is aligned with each other, avoids the problem of button pattern halation; And when key face background color layer has the color of light color system, can show above-mentioned advantage more.
Description of drawings
Fig. 1 shows the schematic cross-section of the font architecture on the press-key structure of a prior art.
Fig. 2 shows the halation problem of the button font of prior art.
Fig. 3 is presented at the characteristic of a specific embodiment of the button patterning in the utility model.
Fig. 4 shows the flow chart according to a specific embodiment of the method for making of the press-key structure of the utility model.
Fig. 5 and 6 explanations are according to the schematic cross-section of a specific embodiment of the method for making of the press-key structure of the utility model.
Fig. 7 explains the schematic cross-section according to another specific embodiment of the method for making of the press-key structure of the utility model.
Fig. 8 to 10 shows the schematic cross-section according to some specific embodiments of the press-key structure of the utility model.
Wherein, description of reference numerals is following:
3 layers of compound of 2 PC films
4 printed in white layers, 6 silver color light shield layer
7 hollow out fonts, 8 grey printing opacity color layers
9 GLOW INCLUSION AREAs, 10 keycaps
12 font architectures, 14 key face background color layers
15,17,21 pierced patterns, 16,19 shading color layers
18 printing opacity color layers, 20 clarity plastic layers
The reaction of 22 keycap bodies, 23 irradiations
24 laser, 26 circuit boards
28 metal clipss, 30 shell fragment films
32 salient points, 34 curing resin layers
101,102,111,112,113,114,115,121,122 steps
Embodiment
The characteristic of one specific embodiment of the button patterning in the utility model; As shown in Figure 3; The font architecture 12 of keycap 10 has very thin pattern usually, includes key face background color layer 14 and shading color layers 16, these two layers of pierced patterns with font of wanting; Two pierced patterns are overlapping up and down, the edge consistency from top to bottom of two pierced patterns.When the justified margin of two pierced patterns, can be very clear through the pattern contour that the pierced pattern printing opacity comes out.Therefore, according to the spirit of the utility model, be the situation of consistency from top to bottom as long as two pierced patterns have the edge of a part at least, all should be included in the category of the utility model.In the utility model, pierced pattern can be for example literal, symbol, numeral, English alphabet, figure or the like.Selectively comprise printing opacity color layers 18 in addition, the button pattern that makes printing opacity show has the color of printing opacity color layers 18.The outermost layer of keycap 10 is a clarity plastic layer 20, and it can be as carrier.Clarity plastic layer 20, key face background color layer 14 and shading color layers 16 can be considered as layer compound 3; In specific embodiment shown in Figure 3; Make layer compound 3 be shaped to keycap shape housing, and form keycap 10 with keycap body 22 with printing opacity color layers 18 optionally.Key face background color layer, shading color layers and printing opacity color layers all can be called color layers.
Fig. 4 shows the flow chart according to the method for making of the press-key structure of the specific embodiment of the utility model.Please together referring to the schematic cross-section of Fig. 5 and Fig. 6.Carry out the formation keycap parts of step 101.It is that keycap is not limited to for which kind of keycap, can be the keycap of for example molded keycap or some adhesive curing moulding.The step that forms the keycap parts can comprise for example step 111, and one deck compound 3 is provided, and it comprises clarity plastic layer 20, key face background color layer 14 and shading color layers 16.Clarity plastic layer 20 can be for example similar materials such as PC film, PET (gathering terephthalic acids second diester (Poly (ethylene terephthalate))) film or PMMA (polymethyl methacrylate (polymethylmethacrylate)) film, but is not limited thereto.Provide the step of layer compound can comprise the film pre-treatment of for example clarity plastic layer 20 being carried out step 121; Surfaction for example; So that it has better color layers tack, or the processing of blanking (make and meet ductility or thickness demand), or the formation of bright cloudy surface or totem or processing.On clarity plastic layer 20, form key face background color layer 14 and shading color layers 16 then.For example, carry out step 122, so that key face background color layer 14 and shading color layers 16 are coated with, spray or be printed on the clarity plastic layer 20.Key face background color layer 14 can be the ink lay that has been applied in press-key structure in the prior art with shading color layers 16, but is not limited thereto, as long as the color layers that can be applicable in the utility model just can be used.In a specific embodiment, it is color layers that key face background color layer 14 can be light color, and shading color layers 16 can be the silver color light shield layer.
Can on clarity plastic layer 20, form key face background color layer 14, on key face background color layer 14, form shading color layers 16 again.So, key face background color layer 14 is in place 16 of clarity plastic layer 20 and shading color layers, and is as shown in Figure 5.Or, can on the one side of clarity plastic layer 20, form key face background color layer 14, on the another side of clarity plastic layer 20, form shading color layers 16.Like this, clarity plastic layer 20 is in place 16 of key face background color layer 14 and shading color layers.Or, can on clarity plastic layer 20, form shading color layers 16, on shading color layers 16, form key face background color layer 14 again.Like this, shading color layers 16 is in place 20 of key face background color layer 14 and clarity plastic layers.
Can be noted that it is full version that key face background color layer 14 is not limited to shading color layers 16, also can be non-full version or have the hollow out figure to have monochrome or multicolour.
As shown in Figure 5; All there are key face background color layer 14 and shading color layers 16 to be covered with at predetermined pierced pattern place; Therefore, can carry out step 112 and 113, shading color layers 16 and key face background color layer 14 carried out part remove; To form pierced pattern 17, form pierced pattern 15 at key face background color layer 14 in shading color layers 16.The method that part removes can be for example shown in Figure 6, uses the laser engraving of laser 24, and this is the example that luminous energy removes.Note that should to make the edge of these two pierced patterns aligned with each other.Owing to be to use laser directly to key face background color layer 14 engraving of shading color layers 16 and lower floor, therefore be easy to make the edge of these two pierced patterns 15 and 17 aligned with each other.But be not limited to use laser, make the edge of formed these two pierced patterns aligned with each other, also have other feasible method.For example other luminous energy removes method; For example, can use the material that light is responded to manufacture these two layers, make and using under the mask; The ultraviolet place of irradiation high-energy (for example predetermined hollow out place) can be destroyed the key knot on machined object surface and be removed, and the place that does not shine can be solidified and kept; Or the place of irradiation ultraviolet radiation (for example non-predetermined hollow out place) can solidify and keep, and the place that does not shine can be removed; Just similar positive minus photoresist is carved the reaction of layer.In addition, mechanical energy removes, and for example uses mechanical type Milling Process such as milling cutter to come to form pierced patterns to these two layers.For example chemical energy removes, and the material that for example using can dry ecthing, acid etching or alkaline etching remove is as these two layers, and these two layers and have etching selectivity, the mask (protective layer) of can arranging in pairs or groups removes to carry out part.
In another specific embodiment; As shown in Figure 7, can shading color layers 19 be formed on the key face background color layer 14 with the mode (for example use method for printing screen, but be not limited thereto) with pierced pattern 21; At this moment; Need carry out step 112, and only need carry out step 113, carry out part through 21 pairs of key faces of this pierced pattern background color layer 14 and remove to form pierced pattern.In this example; Also can use for example above-mentioned luminous energy, mechanical energy or chemical energy mode that key face background color layer 14 is carried out part removes; Wherein, shading color layers also capable of using 19 is carried out irradiation reaction 23 or etching as mask through 21 pairs of key faces of pierced pattern background color layer 14.
In like manner, the situation in shading color layers position at key face background color layer and transparent plastic interlayer, shading color layers and key face background color layer can and form two pierced patterns with alignment edge like above-mentioned similar formation.Specify as follows, can on clarity plastic layer, form the shading color layers, on the shading color layers, form key face background color layer again, carry out the making of two pierced patterns again.Or can on clarity plastic layer, form the shading color layers, and on the shading color layers, forming the key face background color layer that has had pierced pattern again, above-mentioned for another example mode is carried out the making of pierced pattern on the shading color layers.Yet, in this example because shading color layers position is at key face background color layer and transparent plastic interlayer, form keycap shape structure after, key face background color layer becomes skin and exposes to the open air under environment, therefore maybe be easy impaired.
Situation in the clarity plastic layer position between key face background color layer and shading color layers still can form two pierced patterns with alignment edge respectively with key face background color layer and shading color layers, therefore still in the category of the utility model.
Moreover, also can form the printing opacity color layers.For example; When key face background color layer position when (just clarity plastic layer covers key face background color layer) or clarity plastic layer position are between key face background color layer and shading color layers between clarity plastic layer and shading color layers; Can be after forming two pierced patterns; On the shading color layers, form the printing opacity color layers, make it cover pierced pattern.Perhaps, for example, shading color layers position after forming two pierced patterns, forms the printing opacity color layers on clarity plastic layer when key face background color layer and transparent plastic interlayer, make itself and pierced pattern overlapping.In follow-up press-key structure assembling, be to make printing opacity color layers position between shading color layers and salient point.The printing opacity color layers can form through full version printing, like this can not need consider alignment issues.But be not limited thereto, can form needed printing opacity color layers, the for example photic zone of grey according to color matching or the like attractive in appearance or functional requirement.
Then, carry out step 114,, layer compound 3 processed to be shaped to key cap layer, for example with layer compound 3 pressure stretch (for example hot pressing together referring to Fig. 8.Can be for example single face pressure stretch, two-sided pressure stretch or air pressure/mould pressure stretch) being shaped to keycap shape housing, and in housing the embedded key cap material, as keycap body 22.Specific embodiment when Fig. 9 shows printing opacity color layers 18.The mode of filling housing can be for example to penetrate fills or silicon rubber filling.
Or layer compound 3 processing is to be shaped to the step of key cap layer, for example shown in Figure 10, and a side that for example can be in the non-shading color layers of layer compound 3 forms the curing resin layer 34 of keycap shape, and forms key cap layer.Specify as follows; When key face background color layer position is between clarity plastic layer and shading color layers (just clarity plastic layer covers key face background color layer); The curing resin layer position that can make the keycap shape is on the one side of clarity plastic layer; In this time, key face background color layer and shading color layers position are on the another side of clarity plastic layer; When the clarity plastic layer position was between key face background color layer and shading color layers, the curing resin layer position that can make the keycap shape was on key face background color layer; When shading color layers position during at key face background color layer and transparent plastic interlayer, the curing resin layer position that can make the keycap shape is on key face background color layer.Figure 10 also shows the situation that printing opacity color layers 18 forms.Curing resin layer can be for example ultraviolet curable resin, but is not limited thereto.
Then, carry out step 115,, for example use the die-cut or carbon dioxide (CO of punch die the key cap layer cutting
2) laser cutting, to obtain the keycap parts, it can be the keycap parts of single button keycap, or can be the keycap parts that a plurality of button keycaps connect together.
Then, carry out the assembling of step 102.With keycap parts and circuit board 26, metal clips 28, optional shell fragment film 30 and salient point 32 combinations (also can make salient point 32 and keycap body 22 one-body molded), to assemble a press-key structure.Also can install LGP additional or use flexible printed circuit.When key face background color layer has the color of light color system, show the advantage of the utility model more, can avoid the halation problem that runs into like prior art.
Moreover, be on clarity plastic layer, to form key face background color layer and shading color layers earlier when the keycap parts comprise the situation of the curing resin layer 34 of keycap shape, above-mentioned specific embodiment, form the curing resin layer of keycap shape again.And in another specific embodiment; Also can on the one side of clarity plastic layer (for example PET film), form the curing resin layer 34 of keycap shape earlier; And then as above-mentioned mode carry out the coating or the printing of key face background color layer and shading color layers at another side; Carry out technology then, cutting, and the making of accomplishing the keycap parts like above-mentioned formation pierced pattern.And in the for example above-mentioned specific embodiment, the shading color layers just has pierced pattern in the time of also can being formation, through this pierced pattern key face background color layer is formed pierced pattern.Also can on the shading color layers, form the printing opacity color layers.
The above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model.
Claims (8)
1. a press-key structure is characterized in that, comprising:
Circuit board;
Metal clips, the position is above this circuit board;
Salient point, the position is above this metal clips; And
The keycap parts, the position is above this salient point, and these keycap parts comprise a layer compound; This layer compound comprises clarity plastic layer, key face background color layer and shading color layers, this three range upon range of lumping together, wherein; This key face background color layer comprises first pierced pattern; This shading color layers comprises second pierced pattern, and the edge of the edge of this second pierced pattern and this first pierced pattern is aligned with each other, and this shading color layers position is between this key face background color layer and this salient point.
2. press-key structure as claimed in claim 1 is characterized in that, this key face background color layer has the color of light color system.
3. according to claim 1 or claim 2 press-key structure is characterized in that this layer compound forms the keycap housing, and these keycap parts comprise that also the keycap bulk material is filled in this keycap housing.
4. press-key structure as claimed in claim 3 is characterized in that, this clarity plastic layer cover this key face background color layer, position between this key face background color layer and this shading color layers or the position between this shading color layers and this salient point.
5. press-key structure as claimed in claim 1 is characterized in that, these keycap parts also comprise the printing opacity color layers, and this printing opacity color layers position is between this shading color layers and this salient point.
6. press-key structure as claimed in claim 4 is characterized in that, these keycap parts also comprise the printing opacity color layers, and this printing opacity color layers position is between this shading color layers and this salient point.
7. according to claim 1 or claim 2 press-key structure; It is characterized in that; These keycap parts also comprise curing resin layer, and this curing resin layer has keycap shape and position on the one side of this clarity plastic layer, and this key face background color layer and this shading color layers position are on the another side of this clarity plastic layer.
8. press-key structure as claimed in claim 7 is characterized in that, these keycap parts also comprise the printing opacity color layers, and this printing opacity color layers position is between this shading color layers and this salient point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201919142U CN202172038U (en) | 2011-06-09 | 2011-06-09 | Button structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201919142U CN202172038U (en) | 2011-06-09 | 2011-06-09 | Button structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202172038U true CN202172038U (en) | 2012-03-21 |
Family
ID=45830228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201919142U Expired - Fee Related CN202172038U (en) | 2011-06-09 | 2011-06-09 | Button structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202172038U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI494962B (en) * | 2014-09-23 | 2015-08-01 | Darfon Electronics Corp | Multicolor Transparent Keycap and Manufacturing Thereof |
| CN107578942A (en) * | 2016-07-05 | 2018-01-12 | 富士通电子零件有限公司 | Key top and keyboard |
| CN109524268A (en) * | 2015-09-16 | 2019-03-26 | 光宝电子(广州)有限公司 | The method of the keycap of press-key structure and manufacture key |
-
2011
- 2011-06-09 CN CN2011201919142U patent/CN202172038U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI494962B (en) * | 2014-09-23 | 2015-08-01 | Darfon Electronics Corp | Multicolor Transparent Keycap and Manufacturing Thereof |
| US9691569B2 (en) | 2014-09-23 | 2017-06-27 | Darfon Electronics Corp. | Light-transmissible keycap and manufacturing method thereof |
| CN109524268A (en) * | 2015-09-16 | 2019-03-26 | 光宝电子(广州)有限公司 | The method of the keycap of press-key structure and manufacture key |
| US10825621B2 (en) | 2015-09-16 | 2020-11-03 | Lite-On Electronics (Guangzhou) Limited | Keyboard key structure and method of manufacturing a keycap of a keyboard key |
| CN107578942A (en) * | 2016-07-05 | 2018-01-12 | 富士通电子零件有限公司 | Key top and keyboard |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20170609 |