CN2726092Y - Lighting metal frame and self-lighting key device with same - Google Patents
Lighting metal frame and self-lighting key device with same Download PDFInfo
- Publication number
- CN2726092Y CN2726092Y CN 200420077185 CN200420077185U CN2726092Y CN 2726092 Y CN2726092 Y CN 2726092Y CN 200420077185 CN200420077185 CN 200420077185 CN 200420077185 U CN200420077185 U CN 200420077185U CN 2726092 Y CN2726092 Y CN 2726092Y
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- Prior art keywords
- luminescent
- self
- key device
- metal framework
- layer
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Abstract
The utility model discloses a lighting metal frame and self-lighting key device with same, which can reduce risks of quality and reliability of the key device in the manufacture, simplify the component and the course of manufacture, and can be used to install various keys. The lighting metal frame of the utility model is composed of a flat chaff, a lighting layer formed on the flat chaff, and a transparent electrode formed on the lighting layer. The self-lighting key device of the utility model comprises a lighting metal frame with a lighting layer, multi key caps on the lighting metal frame and a circuit board below the lighting metal frame. The circuit board is provided with pairs of connection point and multi elastic components with each corresponding key cap.
Description
Technical field
The self-luminous key device of the relevant a kind of luminescent metal framework of the utility model and this luminescent metal framework of tool, especially refer to utilize the back light of the metal framework of electroluminescence technology formation as button, and as reaching a kind of key device for the platform of button setting with this metal framework.
Background technology
For mobile phone key can be used in darker environment, button is equipped with back lighting device at present, and the use light-emitting diode that prior art has is as back lighting device, but its light source is inhomogeneous usually, and power consumption.
Prior art in addition favourable with electroluminescence (electron luminescent, EL) light source applications is in key device, electroluminescence has advantages such as active illuminating, low-power consumption, in light weight, high efficiency and production cost are low.This kind patent has Taiwan TW the 476441st notification number patent, is announced on 02 11st, 2002, see also shown in Figure 1, the improvement structure of a kind of button that this patent discloses, it consists predominantly of a button 1a and an elastic film 2a; The bottom of this button 1a is provided with a contact salient point 13a, and form one deck elastic film 2a in the surface, this elastic film 2a be continuous ㄇ type shape stick in button 1a the surface and all around, in the surface printing of elastic film 2a or spray a light non-transmittable layers 22a, and light non-transmittable layers 22a goes up and has the key symbols 221a of light-permeable.Wherein, printing or spray a luminescent layer 31a by power supply 32a driving between this elastic film 2a surface and light non-transmittable layers 22a.
The topside area of this elastic film 2a is very little, utilizes the mode of printing or spraying to form quite inconvenience of luminescent layer 31a, particularly connects luminescent layer 31a and is very difficult to be shaped in the circuit of power supply 32a.On the other hand, after finishing luminescent layer, when republishing or spraying light non-transmittable layers 22a, if this light non-transmittable layers 22a printing is bad, then related this luminescent layer is also invalid and need abandon, very cost of idleness.
On the other hand, if earlier this luminescent layer 31a is printed earlier or stick on the smooth elastic film 2a, again elastic film 2a is sticked in the surface of button 1a.So technology normally places elastic film 2a in the mould, raw material is cast in the mould to form this button 1a and to stick this elastic film 2a simultaneously again.Its process can make luminescent layer 31a and circuit thereof through high temperature and bending, may cause losing of luminescent layer 31a, and then improve reliability and reduce and the bad risk of quality.Its technology or stick in this button 1a in the mode that bends this elastic film 2a, however also need to bend this luminescent layer 31a and circuit thereof.The manufacture process of above-mentioned technology, luminescent layer exist the risk of loss; And above-mentioned technology also is not suitable for the button of other kind, and its scope of application is little.
As from the foregoing, above-mentioned known key device on reality is made, obviously has inconvenience and exists with defective, and can wait to be improved.
Summary of the invention
Main purpose of the present utility model provides a kind of luminescent metal framework, and this luminescent metal framework utilizes the electroluminescence technology to form, as the back light of button, and as the platform that can supply button to be provided with.
Main purpose of the present utility model provides a kind of self-luminous key device, can simplify the construction package of key device, and the manufacture process that simplifies applying, and solves the risk that luminescent layer reprocessing may cause.
Another purpose of the present utility model provides a kind of self-luminous key device, and it has the back light that a luminescent metal framework can be used as button, and can supply the button setting of various types of shape thereon with the framework as support keys.
For reaching above-mentioned purpose, a kind of self-luminous key device of the present utility model comprises a luminescent metal framework, a plurality of keycap and a circuit board.This luminescent metal framework has the flexible flat metal paillon foil of a tool, and is formed at luminescent layer on this flat metal paillon foil, an and transparency electrode that is formed on this luminescent layer; Described a plurality of keycap is arranged on this luminescent metal framework; This circuit board is arranged at this luminescent metal framework below, has many docking points and a plurality of elastic parts and is arranged at accordingly on each docking point, wherein corresponding this elastic parts that is connected to of this keycap.
That is to say that the utility model provides a kind of self-luminous key device, comprising: a luminescent metal framework has the flexible flat metal paillon foil of a tool, and is formed at luminescent layer on this flat metal paillon foil, an and transparency electrode that is formed on this luminescent layer; A plurality of keycaps are arranged on this luminescent metal framework; And a circuit board, be arranged at this luminescent metal framework below, have many docking points and a plurality of elastic parts and be arranged at accordingly on each docking point, wherein corresponding this elastic parts that is connected to of this keycap.
According to design of the present utility model, the material of this flat metal paillon foil be selected from stainless steel, aluminium, magnesium, and calcium one of them.
According to design of the present utility model, this luminescent metal framework further has an electron transfer layer to be located between this flat metal paillon foil and this luminescent layer, and a hole transmission layer is located between this luminescent layer and this transparency electrode.
According to design of the present utility model, this keycap has a planar bottom surface and fits in this luminescent metal framework.
According to design of the present utility model, further have a plurality of touch parts and be located at this luminescent metal framework below, this touch part is shaped on the plastic frame and respectively corresponds to this keycap.
According to design of the present utility model, this keycap bottom is protruded a touch part separately downwards, and this luminescent metal framework respectively forms a through hole that passes accordingly for this touch part.
According to design of the present utility model, described a plurality of keycaps are formed on the membrane-like button.
According to design of the present utility model, this elastic parts is the contact top that the conducting shell fragment is arranged at this circuit board accordingly.
According to design of the present utility model, this circuit board is rigid or soft circuit board.
According to design of the present utility model, further be provided with one fixedly thin slice be arranged on this elastic parts and fix this elastic parts in this circuit board.
Provide a kind of luminescent metal framework on the other hand according to of the present utility model, having comprised: a flat metal paillon foil; One luminescent layer is formed at this flat metal paillon foil; And a transparency electrode, be formed on this luminescent layer.
According to design of the present utility model, the material of this flat metal paillon foil be selected from stainless steel, aluminium, magnesium, and calcium one of them.
According to design of the present utility model, further have an electron transfer layer and be located between this flat metal paillon foil and this luminescent layer, and a hole transmission layer is located between this luminescent layer and this transparency electrode.
According to design of the present utility model, further have a protective layer and be located at its periphery.
The utility model has the luminescent metal framework that can separately make compared to prior art, again with this keycap and circuit board assembling.On manufacture process, need not bend luminescent layer, can promote reliability and quality yield; Can be used as the framework of support keys in addition, make the button overall structure more firm, and meet the development trend of keyboard miniaturization.
Advantage of the present utility model is as follows:
One, this luminescent metal framework can be for the button of various types of shape is set in the utility model, and is applied widely, can save the cost of exploitation key device.
Two, self-luminous key device of the present utility model, the construction package of simplification key device, and the manufacture process that simplifies applying, and solve the risk that luminescent layer reprocessing may cause.
Three, this luminescent metal framework is strengthened the structure of whole key device as the framework of support keys, is specially adapted to the mobile phone key of miniaturization.
Description of drawings
Fig. 1 is the cutaway view of the press-key structure of prior art.
Fig. 2 A is the sectional exploded view of self-luminous key device of the present utility model preferred embodiment.
Fig. 2 B is an A luminescent metal framework amplification view partly among Fig. 2 A
Fig. 3 is the constitutional diagram of analysing and observe of self-luminous key device of the present utility model.
Fig. 4 is the sectional exploded view of another embodiment of self-luminous key device of the present utility model.
Fig. 5 is the constitutional diagram of analysing and observe of another embodiment of self-luminous key device of the present utility model.
Fig. 6 cuts open the side constitutional diagram for the 3rd embodiment's of self-luminous key device of the present utility model.
Wherein, description of reference numerals is as follows:
The 1a-button; The 13a-contact salient point; The 2a-elastic film; The 22a-light non-transmittable layers;
The 221a-key symbols; The 31a-luminescent layer; The 32a-power supply; 10-luminescent metal framework;
12-flat metal paillon foil; The 13-electron transfer layer; The 15-hole transmission layer;
The 14-luminescent layer; The 16-transparency electrode; The 17-protective layer; The 20-keycap; The 21-keycap;
The 23-keycap; The 22-touch part; The 30-touch part; The 32-plastic frame; The 40-circuit board;
The 42-contact; The 44-elastic parts; 46-is thin slice fixedly.
Embodiment
See also Fig. 2 A and Fig. 2 B, be the sectional exploded view of self-luminous key device of the present utility model preferred embodiment, and A luminescent metal framework amplification view partly among Fig. 2 A.
Self-luminous key device of the present utility model comprises a luminescent metal framework 10, a plurality of keycap 20, a plurality of touch part 30, reaches a circuit board 40.
This luminescent metal framework 10 can according to the arrangement of required profile of keyboard and button through die-cut (punch) method and the shape that be scheduled to, it includes the flexible flat metal paillon foil 12, of a tool and is formed at luminescent layer 14 on this flat metal paillon foil 12, reaches a transparency electrode 16 that is formed on this luminescent layer 14.
For improving luminous efficiency, can further add an electron transfer layer 13 between this flat metal paillon foil 12 and this luminescent layer 14, and a hole transmission layer 15 is between this luminescent layer 14 and this transparency electrode 16.Wherein the material of this flat metal paillon foil 12 can be stainless steel, aluminium, magnesium or calcium; If use aluminium, magnesium or calcium, can more effectively inject electronics, to improve luminosity and to reduce driving voltage to luminescent layer.For protecting this luminescent metal framework 10, can add layer protective layer 17 in its periphery.
This luminescent metal framework 10 of the present utility model is to utilize the characteristic of metal for good conductor, backplate (Cathode or Rear electrode) with the electroluminescence form, with this flat metal paillon foil 12 is printing platform, again via similar electroluminescence typography, become one can be luminous tinsel.Via die-cut processing procedure, punching out goes out the support between framework and the button with tinsel, forms this luminescent metal framework 10 thus with as the platform that button is set.
These a plurality of keycaps 20 are arranged on this luminescent metal framework 10.Can the fit button of different types of this luminescent metal framework 10 is as Merlon button (PC key, Poly-carbonate key), rubber key (Rubber key).Wherein Merlon has transparent, tough, anti-optical activity, resistance to impact ... etc. characteristics, rubber has softness, flexible, characteristics such as sense of touch is good, processing is simple and easy.The picture and text that need are then printed on the surface of this keycap 20.
Please also refer to Fig. 3, be the constitutional diagram of analysing and observe of self-luminous key device of the present utility model.In this preferred embodiment, self-luminous key device of the present utility model is to be example with the keypad device of mobile phone.This keycap 20 has a planar bottom surface and fits in this luminescent metal framework 10.These a plurality of touch parts 30 correspond to this keycap 20 separately and are arranged at this luminescent metal framework 10 times.This circuit board 40 is arranged at this luminescent metal framework 10 belows, and have many docking points 42 correspond to this touch part 30, and a plurality of elastic partss 44 be fixed in accordingly on this contact 42 with this contact 42 of conducting optionally.Wherein these a plurality of touch parts 30 are shaped on the plastic frame 32.
This elastic parts 44 is in order to provide the button response force, and this elastic parts 44 is that the conducting shell fragment has a conductive bottom in the present embodiment, with this contact 42 of conducting.This conducting shell fragment is arranged at contact 42 tops of this circuit board 40 accordingly.This circuit board 40 can be rigid or soft circuit board.This circuit board 40 preferably can be provided with one fixedly thin slice 46 on this elastic parts 44 and fix this elastic parts 44 in this circuit board 40.
Please refer to Fig. 4 and Fig. 5, be sectional exploded view and the constitutional diagram of another embodiment of self-luminous key device of the present utility model.This embodiment has a plurality of keycaps 21 and respectively protrudes a touch part 22 by its bottom one-body moldedly.This luminescent metal framework 10 passes for this touch part 22 towards being provided with a plurality of through holes (not label), and this touch part 22 is connected to this elastic parts 44 of this circuit board 40 accordingly.
Please refer to Fig. 6, cut open the side constitutional diagram for the 3rd embodiment of self-luminous key device of the present utility model.Among this embodiment, these a plurality of keycaps 23 are several touch areas that are formed on the membrane-like button, or are called polycarbonate membrane key (PC film key).This kind structure is applied to the button of remote controller usually.
This luminescent metal framework 10 can be used as general-using type self-luminous button platform (Multi-type Luminous Key Platform) with the back light as button in the utility model.This general-using type self-luminous button platform can be applied to mobile phone, radio telephone, multifunctional remote controlller, the key-press backlight device of electronic multimedia product and automobile audio.
Creation characteristic of the present utility model and characteristics
So characteristics and function that the utility model can produce are as follows through putting in order:
One, this luminescent metal framework can be for the button of various types of shape is set in the utility model, and is applied widely, can save the cost of exploitation key device.
Two, self-luminous key device of the present utility model, the construction package of simplification key device, and the manufacture process that simplifies applying, and solve the risk that luminescent layer reprocessing may cause.
Three, this luminescent metal framework is strengthened the structure of whole key device as the framework of support keys, is specially adapted to the mobile phone key of miniaturization.
In sum, more than disclosed only for preferred embodiment of the present utility model, from not limiting protection range of the present utility model with this, therefore the equalization of doing according to design of the present utility model changes or modifies, and still belongs to the scope that the utility model is contained.
Claims (14)
1, a kind of self-luminous key device is characterized in that comprising:
One luminescent metal framework has the flexible flat metal paillon foil of a tool, and is formed at luminescent layer on this flat metal paillon foil, an and transparency electrode that is formed on this luminescent layer;
A plurality of keycaps are arranged on this luminescent metal framework; And
One circuit board is arranged at this luminescent metal framework below, has many docking points and a plurality of elastic parts and is arranged at accordingly on each docking point, wherein corresponding this elastic parts that is connected to of this keycap.
2, self-luminous key device as claimed in claim 1, the material that it is characterized in that this flat metal paillon foil be selected from stainless steel, aluminium, magnesium, and calcium one of them.
3, self-luminous key device as claimed in claim 1 it is characterized in that this luminescent metal framework further has an electron transfer layer and is located between this flat metal paillon foil and this luminescent layer, and a hole transmission layer is located between this luminescent layer and this transparency electrode.
4, self-luminous key device as claimed in claim 1 is characterized in that this keycap has a planar bottom surface and fits in this luminescent metal framework.
5, self-luminous key device as claimed in claim 4 is characterized in that further having a plurality of touch parts and is located at this luminescent metal framework below, and this touch part is shaped on the plastic frame and respectively corresponds to this keycap.
6, self-luminous key device as claimed in claim 1 is characterized in that protruding a touch part separately downwards bottom this keycap, and this luminescent metal framework respectively forms a through hole that passes accordingly for this touch part.
7, self-luminous key device as claimed in claim 1 is characterized in that described a plurality of keycap is formed on the membrane-like button.
8, self-luminous key device as claimed in claim 1 is characterized in that this elastic parts is the contact top that the conducting shell fragment is arranged at this circuit board accordingly.
9, self-luminous key device as claimed in claim 1 is characterized in that this circuit board is rigid or soft circuit board.
10, self-luminous key device as claimed in claim 1, it is characterized in that further being provided with one fixedly thin slice be arranged on this elastic parts and fix this elastic parts in this circuit board.
11, a kind of luminescent metal framework is characterized in that comprising:
One flat metal paillon foil;
One luminescent layer is formed at this flat metal paillon foil; And
One transparency electrode is formed on this luminescent layer.
12, luminescent metal framework as claimed in claim 11, the material that it is characterized in that this flat metal paillon foil be selected from stainless steel, aluminium, magnesium, and calcium one of them.
13, luminescent metal framework as claimed in claim 11 it is characterized in that further having an electron transfer layer and be located between this flat metal paillon foil and this luminescent layer, and a hole transmission layer is located between this luminescent layer and this transparency electrode.
14, luminescent metal framework as claimed in claim 11 is characterized in that further having a protective layer and is located at its periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077185 CN2726092Y (en) | 2004-08-30 | 2004-08-30 | Lighting metal frame and self-lighting key device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077185 CN2726092Y (en) | 2004-08-30 | 2004-08-30 | Lighting metal frame and self-lighting key device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2726092Y true CN2726092Y (en) | 2005-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420077185 Expired - Lifetime CN2726092Y (en) | 2004-08-30 | 2004-08-30 | Lighting metal frame and self-lighting key device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2726092Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108024449A (en) * | 2017-11-16 | 2018-05-11 | 青岛海信移动通信技术股份有限公司 | FPC components and terminal device |
-
2004
- 2004-08-30 CN CN 200420077185 patent/CN2726092Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108024449A (en) * | 2017-11-16 | 2018-05-11 | 青岛海信移动通信技术股份有限公司 | FPC components and terminal device |
| CN108024449B (en) * | 2017-11-16 | 2020-06-09 | 青岛海信移动通信技术股份有限公司 | FPC subassembly and terminal equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140830 Granted publication date: 20050914 |