CN1913535A - Key group and its manufacturing method - Google Patents
Key group and its manufacturing method Download PDFInfo
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- CN1913535A CN1913535A CN 200510087731 CN200510087731A CN1913535A CN 1913535 A CN1913535 A CN 1913535A CN 200510087731 CN200510087731 CN 200510087731 CN 200510087731 A CN200510087731 A CN 200510087731A CN 1913535 A CN1913535 A CN 1913535A
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- light shield
- thin plate
- shield layer
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Abstract
This invention relates to a key set including a base plate, a metal layer, a pattern shading layer, a light transmission material layer and a key circuit module, in which, the base plate has a first surface and a second surface and the metal layer is set on the first surface of the base plate, besides, the pattern shading layer is set on the metal layer, a light transmission region and a shading region are defined on the metal layer, the pattern shading layer corresponds to the shading region and the light transmission material layer is set on the second surface of the base plate and corresponding to the transmission region, besides the key circuit module is set on the shading layer.
Description
Technical field
The present invention relates to a kind of key groups (key-pad assembly) and manufacture method thereof, and be particularly related to a kind of key groups and manufacture method thereof that makes portable electron device (portable electronic device) thickness attenuation.
Background technology
Along with the requirement for the product carrying convenience of development of science and technology and consumption market improves, present individual's use type electronic product all with volume frivolous small and exquisite and powerful be its design object.Generally speaking, portable electron device is according to the difference of its major function, can be divided into generally mobile phone (Cell Phone), e-dictionary, personal digital assistant (PersonalDigital Assistant, PDA) and handheld device etc.
With the mobile phone is example, and its structure is made of main frame body, display unit and key groups.Wherein, have data processing module in the main frame body, and display unit normally LCD MODULE (Liquid Crystal Display Module, LCM).Display unit is arranged in the main frame body usually, and can be exposed to main frame this is external in the viewing area of display unit, in order to displayed image, pattern and literal.In addition, be provided with key groups on the main frame body usually, in order to control interface as portable electron device.
Mostly known key groups is thermoplastic such as plastics or rubber, mode with ejection formation forms the key pad material earlier, afterwards again to the key pad material sprays, the key pad material is handled in processing such as radium carving appearance, the last key pad material later of will handling again is assembled on the main frame body, and portable electron device can be controlled by key groups.At present existing many portable electron devices of metal-like of emphasizing circulate on the market, in order to take the consistency of global design into account, the surface design of key groups can be become have metal-like mostly.For the surface that makes key groups has metal-like, can carry out the spraying of metallic paint on the surface of key pad material usually, or the mode of sheet metal with hot pressing is pressed on the surface of key pad material.
Hold above-mentionedly, when making the key pad material with ejection formation, its equipment investment is quite expensive, and after key pad and the sheet metal applying, gross thickness can't be reduced effectively, makes the thickness of portable electron device also can't reduce effectively.In addition, in the pressing process of metal patch and key groups, the integrality of metal patch is destroyed easily, and production cost can't be reduced, and the production qualification rate of product also can't improve effectively.
Summary of the invention
In view of this, purpose of the present invention just provides a kind of manufacture method that can save the key groups of production cost effectively.
A further object of the present invention provides a kind of key groups with metal-like and very thin thickness.
For reaching above-mentioned or other purpose, the present invention proposes a kind of manufacture method of key groups, and it comprises the following steps: at first to provide substrate, and this substrate has first surface and second surface, and forms metal level on the first surface of substrate.Then, form the patterning light shield layer on metal level, to define transparent area and shading region on metal level, wherein the patterning light shield layer is corresponding to shading region.Afterwards, form transparent material layer on the second surface of substrate, wherein transparent material layer is corresponding to transparent area.Then, provide the key circuit module, and the key circuit module is assembled on the patterning light shield layer.
In one of the present invention embodiment, the formation method of metal level comprises vapour deposition method, sputtering method or its combination.
In one of the present invention embodiment, the formation method of patterning light shield layer comprises screen painting or ink-jet method.
In one of the present invention embodiment, the formation method of transparent material layer comprises screen painting.
In one of the present invention embodiment, the method that the key circuit module is assembled on the patterning light shield layer comprises the following steps: at first, and thin plate (plate) is assembled on the patterning light shield layer, and wherein thin plate has a plurality of ridges corresponding to transparent area.Then, circuit board group is loaded on the thin plate, wherein circuit board has a plurality of electroconductive elastic sheets corresponding to ridge.
In one of the present invention embodiment, the method that the key circuit module is assembled on the patterning light shield layer comprises the following steps: at first, and area source is assembled on the patterning light shield layer.Then, thin plate is assembled on the area source, wherein thin plate has a plurality of ridges corresponding to transparent area.Afterwards, circuit board group is loaded on the thin plate, wherein circuit board has a plurality of electroconductive elastic sheets corresponding to ridge.
For reaching above-mentioned or other purpose, the present invention proposes a kind of key groups in addition, and it comprises substrate, metal level, patterning light shield layer, transparent material layer and key circuit module.Wherein, substrate has first surface and second surface, and metal level is arranged at the first surface of substrate.In addition, the patterning light shield layer is arranged on the metal level, and to define transparent area and shading region on metal level, wherein the patterning light shield layer is corresponding to shading region, and transparent material layer is arranged at the second surface of substrate, and transparent material layer is corresponding to transparent area.In addition, the key circuit module is arranged on the patterning light shield layer.
In one of the present invention embodiment, the material of substrate comprises Merlon (Polycarbonate, PC), PETG (PET), polymethyl methacrylate (Polymethylmethacrylate, PMMA), the combination of acrylonitrile-butadiene-styrene resin (ABS) or Merlon and acrylonitrile-butadiene-styrene resin (ABS+PC).
In one of the present invention embodiment, the material of patterning light shield layer for example is a printing ink, and the material of transparent material layer for example is a resin.
In one of the present invention embodiment, the key circuit module comprises thin plate and circuit board.Wherein, thin plate is arranged on the patterning light shield layer, and thin plate has a plurality of ridges corresponding to transparent area.In addition, circuit board is arranged on the thin plate, and circuit board has a plurality of electroconductive elastic sheets corresponding to ridge.
In another embodiment of the present invention, the key circuit module comprises area source, thin plate and circuit board.Wherein, area source is arranged on the patterning light shield layer, and area source for example is inorganic el element, organic electroluminescent device, pliability inorganic el element or pliability organic electroluminescent device.Thin plate is arranged on the area source, and thin plate has a plurality of ridges corresponding to transparent area, and the material of thin plate comprises combination, silicon rubber (Silicone rubber), polyurethanes (the Poly Urethanes of Merlon, PETG, polymethyl methacrylate, acrylonitrile-butadiene-styrene resin, Merlon and acrylonitrile-butadiene-styrene resin, PU), thermoplastic elastomer (Thermoplastic Rubber, TPR) or TPU.In addition, circuit board is arranged on the thin plate, and circuit board has a plurality of electroconductive elastic sheets corresponding to ridge.
The integral thickness of the present invention's key groups is very thin, and its manufacture method can reach the purpose of saving production cost.
State with other purpose, feature and advantage and can become apparent on the present invention for allowing, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1～Fig. 5 is followed successively by the manufacturing flow chart of the key groups of portable electron device.
Fig. 6 is the portable electron device schematic diagram of use the present invention's key groups.
The main element description of symbols
100: key groups
102: button
110: substrate
112: first surface
114: second surface
120: metal level
122: transparent area
124: shading region
130: the patterning light shield layer
140: transparent material layer
150: the key circuit module
152: thin plate
152a: ridge
154: circuit board
154a: electroconductive elastic sheet
156: area source
200: portable electron device
210: the main frame body
220: display unit
Embodiment
Fig. 1～Fig. 5 is followed successively by the manufacturing flow chart of the key groups of portable electron device.Please refer to Fig. 1, substrate 110 at first is provided, this substrate 110 has first surface 112 and second surface 114, and forms metal level 120 on the first surface 112 of substrate 110.In the present embodiment, the material of substrate 110 can for example be the combination of Merlon, PETG, polymethyl methacrylate, acrylonitrile-butadiene-styrene resin or Merlon and acrylonitrile-butadiene-styrene resin, and the method that forms metal level 120 can for example be vapour deposition method, sputtering method, or the combination of these two kinds of methods.
Next please refer to Fig. 2, on metal level 120, form patterning light shield layer 130, and patterning light shield layer 130 defines transparent area 122 and shading region 124 on metal level 120.Wherein, patterning light shield layer 130 is corresponding to shading region 124.In the present embodiment, the method that forms patterning light shield layer 130 for example is to utilize screen painting or ink-jet method, and printing ink is formed on the metal level 120.Certainly, the present invention also can adopt alternate manner to carry out the manufacturing of patterning light shield layer 130.
Please refer to Fig. 3 afterwards, form transparent material layer 140 on the second surface 114 of substrate 110, wherein transparent material layer 140 is corresponding to transparent area 122.In the present embodiment, the method that forms transparent material layer 140 for example is to utilize screen painting, resin is printed on the second surface 114 of substrate 110.Certainly, the present invention also can adopt alternate manner to carry out the manufacturing of transparent material layer 140.
Next please refer to Fig. 4, key circuit module 150 is provided, and key circuit module 150 is assembled on the patterning light shield layer 130.In the present embodiment, key circuit module 150 is made of thin plate 152 and circuit board 154.Therefore, the method that key circuit module 150 is assembled on the patterning light shield layer 130 comprises the following steps: at first, utilizes the method for fitting to be assembled on the patterning light shield layer 130 thin plate 152.Wherein, thin plate 152 has a plurality of ridge 152a corresponding to transparent area 122.Then, circuit board 154 is assembled on the thin plate 152, and circuit board 154 has a plurality of electroconductive elastic sheet 154a corresponding to ridge 152a.In the present embodiment, the material of thin plate 152 for example is combination, silicon rubber, polyurethanes, thermoplastic elastomer or the TPU of Merlon, PETG, polymethyl methacrylate, acrylonitrile-butadiene-styrene resin, Merlon and acrylonitrile-butadiene-styrene resin.
Fig. 5 has the schematic diagram of area source for key groups.Please refer to Fig. 5, in order to allow the user under the situation of external light source than darkness, still numeral or literal on can identification key groups 100, therefore the present invention can further be assembled in area source 156 on the patterning light shield layer 130, and then thin plate 152 is assembled on the area source 156, to increase the identifiability of button.Brought forward is stated, and thin plate 152 for example is the operation of finishing assembling by the mode that adhesion layer attaches with area source 156.In the present embodiment, area source 156 for example is the comparatively light-emitting component of power saving such as inorganic el element, organic electroluminescent device, pliability inorganic el element or pliability organic electroluminescent device.
By Fig. 4 and Fig. 5 as can be known, key circuit module 150 might not comprise area source 156, and the present invention also can adopt the light source of other point-like, as light-emitting diode etc.In addition, in above-mentioned key circuit module 150, the set position of light source can also be changed to some extent, as is arranged on the circuit board 154 or on other appropriate location.
Fig. 6 is the portable electron device schematic diagram of use the present invention's key groups.Please also refer to Fig. 5 and Fig. 6, portable electron device 200 comprises main frame body 210, display unit 220 and key groups 100.Wherein, main frame body 210 comprises the data processing module (not marking among the figure) that is equipped on wherein, and data processing module (not marking among the figure) is electrically connected with circuit board 154.Display unit 220 is arranged on the main frame body 210, and display unit 220 has the viewing area, and it is exposed to the surface of main frame body 210, so that the demonstration output of image, pattern and literal to be provided.In addition, key groups 100 is arranged on the main frame body 210, and key groups 100 is adjacent with display unit 220.
In sum, the present invention's key groups and manufacture method thereof have following advantage at least:
One, can obtain that weight is light, tool metal-like and thickness is less than 0.1 millimeter key groups, and then makes portable electron device lightness and slimming.
Two, need not use expensive device such as ejection formation and hot pressing, therefore can reduce equipment investment cost, also can obtain preferable production qualification rate simultaneously.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any person of ordinary skill in the field; without departing from the spirit and scope of the invention; when can doing a little change and improvement, so the present invention's protection range is as the criterion when looking the claim person of defining.
Claims (15)
1. the manufacture method of a key groups is characterized in that comprising:
Substrate is provided, and wherein this substrate has first surface and second surface;
On this first surface of this substrate, form metal level;
Form the patterning light shield layer on this metal level, to define transparent area and shading region on this metal level, wherein this patterning light shield layer is corresponding to this shading region;
Form transparent material layer on this second surface of this substrate, wherein this transparent material layer is corresponding to this transparent area; And
The key circuit module is provided, and this key circuit module is assembled on this patterning light shield layer.
2. the manufacture method of key groups according to claim 1 is characterized in that the formation method of this metal level comprises vapour deposition method, sputtering method or its combination.
3. the manufacture method of key groups according to claim 1 is characterized in that the formation method of this patterning light shield layer comprises screen painting or ink-jet method.
4. the manufacture method of key groups according to claim 1 is characterized in that the formation method of this transparent material layer comprises screen painting.
5. the manufacture method of key groups according to claim 1 is characterized in that the method that this key circuit module is assembled on this patterning light shield layer is comprised:
Thin plate is assembled on this patterning light shield layer, and wherein this thin plate has a plurality of ridges corresponding to this transparent area; And
Circuit board group is loaded on this thin plate, and wherein this circuit board has a plurality of electroconductive elastic sheets corresponding to above-mentioned ridge.
6. the manufacture method of key groups according to claim 1 is characterized in that the method that this key circuit module is assembled on this patterning light shield layer is comprised:
Area source is assembled on this patterning light shield layer;
Thin plate is assembled on this area source, and wherein this thin plate has a plurality of ridges corresponding to this transparent area; And
Circuit board group is loaded on this thin plate, and wherein this circuit board has a plurality of electroconductive elastic sheets corresponding to above-mentioned ridge.
7. key groups is characterized in that comprising:
Substrate has first surface and second surface;
Metal level is arranged at the first surface of this substrate;
The patterning light shield layer is arranged on this metal level, and to define transparent area and shading region on this metal level, wherein this patterning light shield layer is corresponding to this shading region;
Transparent material layer is arranged at this second surface of this substrate, and wherein this transparent material layer is corresponding to this transparent area; And
The key circuit module is arranged on this patterning light shield layer.
8. key groups according to claim 7, the material that it is characterized in that this substrate comprises the combination of Merlon, PETG, polymethyl methacrylate, acrylonitrile-butadiene-styrene resin or Merlon and acrylonitrile-butadiene-styrene resin.
9. key groups according to claim 7 is characterized in that the material of this patterning light shield layer comprises printing ink.
10. key groups according to claim 7 is characterized in that the material of this transparent material layer comprises resin.
11. key groups according to claim 7 is characterized in that this key circuit module comprises:
Thin plate is arranged on this patterning light shield layer, and wherein this thin plate has a plurality of ridges corresponding to this transparent area; And
Circuit board is arranged on this thin plate, and wherein this circuit board has a plurality of electroconductive elastic sheets corresponding to above-mentioned ridge.
12. key groups according to claim 7 is characterized in that this key circuit module comprises:
Area source is arranged on this patterning light shield layer;
Thin plate is arranged on this area source, and wherein this thin plate has a plurality of ridges corresponding to this transparent area; And
Circuit board is arranged on this thin plate, and wherein this circuit board has a plurality of electroconductive elastic sheets corresponding to above-mentioned ridge.
13. key groups according to claim 12 is characterized in that this area source comprises inorganic el element or organic electroluminescent device.
14. key groups according to claim 12 is characterized in that this area source comprises pliability inorganic el element or pliability organic electroluminescent device.
15. key groups according to claim 12, the material that it is characterized in that this thin plate comprises combination, silicon rubber, polyurethanes, thermoplastic elastomer or the TPU of Merlon, PETG, polymethyl methacrylate, acrylonitrile-butadiene-styrene resin, Merlon and acrylonitrile-butadiene-styrene resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510087731 CN1913535A (en) | 2005-08-08 | 2005-08-08 | Key group and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510087731 CN1913535A (en) | 2005-08-08 | 2005-08-08 | Key group and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1913535A true CN1913535A (en) | 2007-02-14 |
Family
ID=37722302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510087731 Pending CN1913535A (en) | 2005-08-08 | 2005-08-08 | Key group and its manufacturing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN1913535A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013352A (en) * | 2010-11-26 | 2011-04-13 | 苏州达方电子有限公司 | Keyboard and manufacturing method thereof |
| CN104608436A (en) * | 2014-12-31 | 2015-05-13 | 技嘉科技股份有限公司 | Light-transmitting plate body with metallic luster and manufacturing method of light-transmitting plate body |
-
2005
- 2005-08-08 CN CN 200510087731 patent/CN1913535A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013352A (en) * | 2010-11-26 | 2011-04-13 | 苏州达方电子有限公司 | Keyboard and manufacturing method thereof |
| CN104608436A (en) * | 2014-12-31 | 2015-05-13 | 技嘉科技股份有限公司 | Light-transmitting plate body with metallic luster and manufacturing method of light-transmitting plate body |
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