CN201252019Y - Key-press structure with the function of conducting light - Google Patents
Key-press structure with the function of conducting light Download PDFInfo
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- CN201252019Y CN201252019Y CNU2008201049833U CN200820104983U CN201252019Y CN 201252019 Y CN201252019 Y CN 201252019Y CN U2008201049833 U CNU2008201049833 U CN U2008201049833U CN 200820104983 U CN200820104983 U CN 200820104983U CN 201252019 Y CN201252019 Y CN 201252019Y
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- press
- key structure
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- key
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Abstract
The utility model discloses a key-press structure with the function of conducting light, which is characterized by comprising a base plate comprising an upper surface and a lower surface, at least one key-press is formed on the upper surface of the base plate, wherein the key-press is provided the preset rigidity, and a plurality of light-conducting structures are formed on the lower surface of the base plate, wherein the key-press structure is provided with the preset thickness, the key-press structure is a one sheet lightguide key structural body (one sheet lightguide key pad), the structure can be directly formed through a one sheet material layer (one sheet) without the traditional jointing process, thereby simplifying manufacturing process and saving the cost.
Description
Technical field
The utility model relates to a kind of press-key structure with light-guiding function, refers in particular to the light guide key body of a kind of single-layer type (onesheet).
Background technology
Since the open privatization of mobile phone business, mobile communication market is flourish under the devoting great efforts to the development of of many enterprises, and Taiwan has at present and surpasses 1,900 ten thousand family mobile phones use numbers, surpasses 85% high utilization rate.Survey data report (World Cellar Database) according to world's mobile phone shows, mobile phone user's quantity in Taiwan is in global rank the 12, be only second to China, Japan and Korea S in the Asia, allow and use mobile phone to become the popular electronic application of people in Taiwan, and mobile phone is popularized life application and the market business opportunity of forming, and also becomes the popular focus of paying close attention to of industry.
Then the constituent part of mobile phone has casing, button, soft board film key, antenna, display, loud speaker, luminescence unit, printed circuit board (PCB), connector and receiver etc.; the manufacturing of above-mentioned spare part has comprised many high-accuracy technology interior; comprise the precision die design and make; and cooperating between plastic raw materials and the ejection forming technique; just can produce compact mobile phone; also must can effectively protect the electronic component of inside to guarantee phone housing simultaneously by dependence tests such as anti-moment difference variation, wear-resisting wiping, impact resistances.In order to meet consumer demand, the style of mobile phone is changeable in addition, and the manufacturing speed of assemblies such as phone housing is relative very high with the requirement of product yield, just can meet the speed that cell phone manufacturer puts out a new product.
Yet, mobile phone key adds rubber (P+R with plastics traditionally, Plastic+Rubber) processing procedure is made, and each tame manufacturer also constantly releases the press-key structure of new processing procedure, for example LGR or LGF structure etc., but said structure is fitted the polycarbonate button (PCKEY) of patrix and the leaded light rubber of counterdie all by an applying step, makes it form the press-key structure of pair of lamina or multilayer.But above-mentioned applying processing procedure but causes the low excessively committed step of process rate often, for instance, the applying step must be considered very a plurality of process conditions, as the glue composition of fitting, some glue laminated power, ultraviolet ray (UV, Ultraviolet Rays) exposure intensity and or stick together parameter such as laminate pressure, all can cause the applying poor effect to cause product to go wrong; The normal problem that occurs of above-mentioned applying processing procedure is:
1, applying is bad: as phenomenons such as the glue that overflows, the scarce material of fitting, button Key come off.
2, applying distortion: as the function key displacement, that is because the influence of laminate pressure size in the applying course of processing causes the offset phenomena of upper and lower mould key combination, and form the problem of key body distortion.
3, other applying problem: cause defectives such as impression as button Key surface.
4, on the other hand because the restrictive condition height of the thickness of each parts of existing press-key structure, the thickness that makes optical waveguide layer is less and make the conventional keys structure can't reach preferable light characteristic.
The present utility model people is because the shortcoming of above-mentioned existing keyboard structure when actual fabrication is used, and accumulation individual is engaged on the related industry exploitation practice experience for many years, study intensively, propose a kind of reasonable in design and effectively improve the keyboard structure of the problems referred to above finally.
The utility model content
Main purpose of the present utility model, be to provide a kind of press-key structure with light-guiding function, it takes shape in light guide structure and press-key structure respectively the two sides of single base material, make the press-key structure of above-mentioned single substrate layer (onesheet) can straight forming, and need not pass through traditional applying processing procedure, its processing procedure is more simplified and saved cost.
Another purpose of the present utility model, be to provide a kind of press-key structure with light-guiding function, it has the structure of individual layer (one sheet), the thickness limits of each parts on this press-key structure is relaxed, can be thicker as the leaded light thickness in the press-key structure than the leaded light thickness of existing structure, make light guide effect reach optimization.
In order to achieve the above object, the utility model provides a kind of press-key structure with light-guiding function, it is characterized in that, comprises: a substrate, and it has a upper surface and a lower surface; At least one button, it takes shape in the upper surface of this substrate, and wherein this button has a predetermined hardness; And a plurality of light guide structures, it takes shape in the lower surface of this substrate; Wherein this press-key structure has a predetermined thickness, and this press-key structure is the press-key structure body (one sheet lightguide keypad) of an individual layer leaded light.
As above-mentioned structure, this press-key structure utilizes the button of at least one hard of model (molding) mode moulding in the upper surface of this substrate, and form light guide structure in another apparent surface of this substrate, so the press-key structure of above-mentioned individual layer need not made through the mode of fitting, and can save a large amount of processing procedure time and cost; Moreover the predetermined thickness that press-key structure had of this individual layer is the preferred thickness of a light guide effect, makes it can reach preferable light guide effect.
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Fig. 1 is the schematic diagram of first embodiment of the press-key structure with light-guiding function described in the utility model;
Fig. 2 is that second embodiment with press-key structure of light-guiding function described in the utility model is installed on the decomposing schematic representation on the support plate;
Fig. 2 A is that the 3rd embodiment with press-key structure of light-guiding function described in the utility model is installed on the decomposing schematic representation on the support plate;
Fig. 2 B is that the 4th embodiment with press-key structure of light-guiding function described in the utility model is installed on the decomposing schematic representation on the support plate;
Fig. 3 is applied to the key position figure of mobile phone for the press-key structure with light-guiding function described in the utility model;
Fig. 4 is the making flow chart of second embodiment of the press-key structure with light-guiding function described in the utility model.
Main component symbol description
1 press-key structure
10 substrates
101 upper surfaces
102 lower surfaces
11 buttons
12 light guide structures
13 ink laies
14 reflector
15 support plates
16 luminescence units
K1～K12 digital key position
KF1～KF4 function key position
H thickness
Embodiment
At first, see also shown in Figure 1, the utility model proposes a kind of press-key structure 1 with light-guiding function, it comprises a substrate 10, at least one button 11 and a plurality of light guide structure 12, this press-key structure 1 with light-guiding function directly takes shape in this button 11 upper surface 101 of this substrate 10, make this press-key structure 1 form the press-key structure body (one sheet lightguide keypad) of an individual layer leaded light, to solve the button that must utilize coating technique just to be made in the prior art, that is the utility model proposes a kind of press-key structure that is shaped in single layer substrate, to reduce the material cost of making button.
Please refer again to Fig. 1, it shows first embodiment of the present utility model.In this specific embodiment, this substrate 10 is a polycarbonate (PC, Polycarbonate) base material of material, but not as limit, this substrate 10 can be other light transmittance greater than 95% high light transmissive material, PETG (PET for example, Polyethylene Terephthalate) or high printing opacity rubber (rubber) etc., this substrate 10 has a upper surface 101 and a lower surface 102, this button 11 and this a plurality of light guide structures 12 then take shape in this upper surface 101 and this lower surface 102 respectively, and these a plurality of light guide structures are a plurality of leaded light micro-structurals, and the leaded light structures such as (guide pattern) of layouting for example is to provide the lighting function of keyboard.On the other hand, this press-key structure 1 has a predetermined thickness h, in this specific embodiment, this predetermined thickness h be less than or equal to (≦) 40 millimeters (mm); Because the volume of electronic product is more and more littler, and it is more and more accurate, so press-key structure 1 of the present utility model can further be reached the effect of dwindling product thickness, and because press-key structure 1 of the present utility model only has single substrate 10, under the quite thin situation of the thickness of this button 11 and these a plurality of light guide structures 12, the light guide effect that this substrate 10 is provided is much better than existing attaching type board structure.In other words, press-key structure 1 of the present utility model can save required time, material and the cost of applying processing procedure in the prior art, more can provide better optical characteristics.Moreover in this specific embodiment, this button 11 is a polyurethane PU material, and utilize model method (molding) with this button 11 of PU forming materials on this substrate 10, this button 11 is had greater than desolate formula hardness (Shore Hardness, Hs) 80 hardness.
Please refer to Fig. 2, it is second embodiment of the press-key structure 1 that the utility model proposes, wherein this press-key structure 1 further comprises the ink lay (inklayer) 13 that is formed between this button 11 and this substrate 10, this ink lay 13 utilizes versicolor colored ink to form, so can utilize the pattern of different colours to show corresponding keypress function.And also show aspect after 1 assembling of this press-key structure among Fig. 2, this press-key structure 1 is arranged on the support plate 20, and the one side is provided with luminescence unit 21, when the user presses a certain button 11, this luminescence unit 21 promptly is energized and emits beam, the button 11 pairing functions that this light emits beam and then shows and press through this ink lay 13 again via optical effects such as the guiding of substrate 10 and this a plurality of light guide structures 12, refraction, reflections.
On the other hand, Fig. 2 A and Fig. 2 B then are respectively the of the present utility model the 3rd and the schematic diagram of the 4th embodiment.Please refer to Fig. 2 A, it is the 3rd embodiment of the present utility model, the difference of itself and second embodiment is that this press-key structure 1 further comprises the reflector 14 (reflection layer) that is formed between this ink lay 13 and this substrate 10, in this specific embodiment, this reflector 14 is with physical vapour deposition (PVD) (PVD, Physical Vapor Deposition) processing procedure institute moulding.Fig. 2 B then shows the fourth embodiment of the present invention, and the difference of itself and the 3rd embodiment is that this reflector 14 takes shape in this light guide structure 12 belows.And the setting in this reflector 14 mainly contains the consideration of optical characteristics, to strengthen the whole illumination effect of this press-key structure 1.
Please refer to table 1 to table 3, and cooperation Fig. 3, table 1 to table 3 shows that respectively above-mentioned second embodiment to the, four embodiment are made into the luminous result of the keyboard and the process Experiments of Optics gained of mobile phone products, and wherein K1～K12 is a digital key position, and KF1～KF4 then is the function key position.Can be calculated in second embodiment structure of (as shown in Figure 2) by table 1, (the average luminescence brightness value of K1～K12) is 234.9cd/m2, and the luminous uniformity (uniformity) is 34.3% in the digital keys position that the user uses always; Similarly, in the structure of the 3rd embodiment (shown in Fig. 2 A), (the average luminescence brightness value of K1～K12) is 77.8cd/m2, and the luminous uniformity (uniformity) is 25.6% in the digital keys position that the user uses always; In the structure of the 4th embodiment (shown in Fig. 2 B), (the average luminescence brightness value of K1～K12) is 54.5cd/m in the digital keys position that the user uses always
2, the luminous uniformity (uniformity) is 27.9%.The press-key structure 1 of the individual layer (one sheet) that above-mentioned luminous result all can allow the user utilize to the utility model proposes carries out and the keypress function of display electronics assemblies.
Table 1
| The position | K1 | K2 | K3 | K4 | K5 | K6 |
| Brightness (cd/m 2) | 226.9 | 397.3 | 292.0 | 146.2 | 303.7 | 234.5 |
| The position | K7 | K8 | K9 | K10 | K11 | K12 |
| Brightness (cd/m 2) | 309.1 | 207.5 | 352.7 | 399.0 | 427.0 | 259.4 |
| The position | KF1 | KF2 | KF3 | KF4 | ||
| Brightness (cd/m 2) | 14.2 | 84.6 | 15.4 | 88.8 |
Table 2
| The position | K1 | K2 | K3 | K4 | K5 | K6 |
| Brightness (cd/m 2) | 85.3 | 124.8 | 103.3 | 38.8 | 97.8 | 75.9 |
| The position | K7 | K8 | K9 | K10 | K11 | K12 |
| Brightness (cd/m 2) | 114.0 | 39.5 | 127.6 | 141.4 | 151.7 | 80.9 |
| The position | KF1 | KF2 | KF3 | KF4 | ||
| Brightness (cd/m 2) | 4.1 | 26.7 | 4.1 | 29.5 |
Table 3
| The position | K1 | K2 | K3 | K4 | K5 | K6 |
| Brightness (cd/m 2) | 68.9 | 100.8 | 68.4 | 28.1 | 74.4 | 59.2 |
| The position | K7 | K8 | K9 | K10 | K11 | K12 |
| Brightness (cd/m 2) | 68.2 | 44.3 | 82.2 | 88.6 | 88.4 | 54.0 |
| The position | KF1 | KF2 | KF3 | KF4 | ||
| Brightness (cd/m 2) | 3.2 | 22.1 | 3.2 | 18.7 |
In addition, please refer to Fig. 4, it is the making flow chart of second embodiment of this press-key structure 1, and this making flow process may further comprise the steps:
Step 1: a substrate 10 is provided, and in this concrete implementation step, this substrate 10 is the base material of a PC material, and this PC base material can adjust its thickness according to the requirement of product, for example 0.375 millimeter (mm) or 0.25 millimeter (mm), but do not exceed with above-mentioned.
Step 2: formed light conductive is layouted in the lower surface 102 of this substrate 10, and this forming method of layouting can be colds pressing or mode such as hot pressing.
Step 3: moulding one ink lay 13 is in the upper surface 101 of this substrate 10, and this ink lay 13 can utilize mode of printing that colored ink is coated this upper surface 101.
Step 4: forming press key 11 is in the upper surface 101 of this substrate 10, the utility model mainly utilizes model (molding) that the PU material is formed button 11 in this upper surface 101, the button 11 of this PU material is the key body of a hard, and utilize the moulding of model (molding) method the height of those buttons 11 significantly can be dwindled, make the whole height microminiaturization of this press-key structure 1.That is to say, this model (molding) method can significantly be improved the existing injection method that utilizes and make the existing thickness problem of button, the pressure that uses injection method must consider material simultaneously to penetrate, speed are to the influence of this ink lay 13, yet if ink lay 13 is taken shape in after the making step of button 11, this ink lay 13 is subjected to the collision of external force and scratch easily.In other words, utilize (molding) method forming press key 11, can obtain the press-key structure layer of high rigidity and thinner thickness,, and can protect this ink lay 13 so this press-key structure 1 can make the product thin typeization.
And after step 4, more comprise, but do not exceed with above-mentioned as successive process such as stamp (PUCH), cutting and packings.
In sum, the utlity model has following all advantage:
1, press-key structure 1 of the present utility model takes shape in the relative two sides of single substrate 10 with the button 11 of hard and light guide structure 12, so that integrated button to be provided; The light guide key of this single-layer type (one sheet) can be fitted and the problem of yield in order to the contraposition in the applying processing procedure that solves existing button, gum, and further saves the time and the cost of processing procedure.
2, the utility model can significantly reduce the existing button thickness that utilizes double-deck above substrate to fit and form by the press-key structure 1 of single base material, in addition, owing to use single base material that the integral thickness space is significantly relaxed, press-key structure of the present utility model 1 make optical waveguide layer can have preferable thickness condition, so can be reached better optical characteristics.
3, on the other hand; the button 11 of the utility model press-key structure 1 by the material of high rigidity via model processing procedure made; this button 11 takes shape in integrally-built outermost layer, and a preferable defencive function can be provided, and can protect this ink lay 13 by scratch or other damage by it.
The above only is a preferable possible embodiments of the present utility model, is not therefore to limit to claim of the present utility model, so the equivalence techniques that all utilization the utility model specifications and diagramatic content are done changes, all is contained in the scope of the present utility model.
Claims (9)
1. the press-key structure with light-guiding function is characterized in that, comprises:
One substrate, it has a upper surface and a lower surface;
At least one button, it takes shape in the upper surface of this substrate, and wherein said button has a predetermined hardness; And
A plurality of light guide structures, it takes shape in the lower surface of described substrate;
Wherein said press-key structure has a predetermined thickness, and described press-key structure is the press-key structure body of an individual layer leaded light.
2. the press-key structure with light-guiding function according to claim 1 is characterized in that, described a plurality of light guide structures are that a plurality of leaded lights are layouted.
3. the press-key structure with light-guiding function according to claim 2 is characterized in that, further comprises the ink lay that is formed between described button and described substrate.
4. the press-key structure with light-guiding function according to claim 3 is characterized in that, further comprises the reflector that is formed between described ink lay and described substrate.
5. the press-key structure with light-guiding function according to claim 3 is characterized in that, further comprises the reflector that is formed in described light guide structure below.
6. the press-key structure with light-guiding function according to claim 3 is characterized in that, the predetermined hardness of described button is greater than desolate formula hardness.
7. the press-key structure with light-guiding function according to claim 3 is characterized in that, the predetermined thickness of described press-key structure is less than or equal to 40 millimeters.
8. the press-key structure with light-guiding function according to claim 3 is characterized in that, described substrate is a high light transmissive material, and its light transmittance is greater than 95%.
9. the press-key structure with light-guiding function according to claim 3 is characterized in that, described button is the polyurethane PU material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201049833U CN201252019Y (en) | 2008-05-07 | 2008-05-07 | Key-press structure with the function of conducting light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201049833U CN201252019Y (en) | 2008-05-07 | 2008-05-07 | Key-press structure with the function of conducting light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201252019Y true CN201252019Y (en) | 2009-06-03 |
Family
ID=40747692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201049833U Expired - Lifetime CN201252019Y (en) | 2008-05-07 | 2008-05-07 | Key-press structure with the function of conducting light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201252019Y (en) |
-
2008
- 2008-05-07 CN CNU2008201049833U patent/CN201252019Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090603 |