CN204965333U - Keyboard and terminal equipment - Google Patents
Keyboard and terminal equipment Download PDFInfo
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- CN204965333U CN204965333U CN201520637187.6U CN201520637187U CN204965333U CN 204965333 U CN204965333 U CN 204965333U CN 201520637187 U CN201520637187 U CN 201520637187U CN 204965333 U CN204965333 U CN 204965333U
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- keyboard
- button
- pcb board
- led element
- film circuit
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Abstract
The utility model provides a keyboard, a microprocessor. A thin film circuit piece, set up in for triggering the button function the lower surface of button, set up in the PCB board of thin film circuit piece lower surface, its surface be provided with with LED component that the button corresponds and be used for control the luminous integrated circuit treater of LED component. A LED component has been set up in each button lower surface correspondence, whether all LED components come control by the integrated circuit treater and open, the LED component is as light source direct irradiation button, make the luminance in a poor light of each button be markedly increased, and the whole of keyboard is shaded evenly, and simultaneously, because it is luminous alone that all LED components can be controlled to the integrated circuit treater, a plurality of LED components luminous and all LED components simultaneously give out light, give off light, therefore, realized that single button is shaded, the local is shaded or whole effect of being shaded. Button itself is not directness and the contact of PCB board, but contacts with the thin film circuit piece, has realized button trigger function.
Description
Technical field
The utility model relates to technical field of electronic equipment, in particular, relates to a kind of keyboard and terminal device.
Background technology
At present, keyboard common on market has membrane keyboard and mechanical keyboard, and mechanical keyboard has pcb board in bottom, and the above is that independently Switch is to carry out the button of signal triggering by more than 100, and namely each button has an independent switch to control to close.Thin film type keyboard framework is very simple, and be divided into three layers from top to bottom, except upper and lower covers, keycap, after taking keyboard apart, also can see rubber cap, three films, also can see slight circuit board, and the IC on circuit board.The principle of thin film type keyboard is quite simple, in three films, the top is cathode circuit, bottom is cathode traces, and centre is nonconducting plastic sheet, then puts up and (generally includes keycap, keycap underside module by die block, and rubber cap), when finger is depressed from keycap, top will contact energising with underlying film, namely completes conducting.And so-called thin film type keyboard, Switch is made up of three-layer thin-film, is diverse with mechanical keyboard framework.
Because backlight membrane keyboard of the prior art is owing to being provided with LED-backlit bar at pcb board, the light sent by LED-backlit bar is diffused into the bottom of keyboard by transparent light guide plate, then luminous position opening is being needed, light just can be projected away by opening part, illuminate transparent keycap, thus light keyboard.The defect of this luminescent method is that LED luminescence can only control the luminescence of LED-backlit bar by PCB, and make whole keyboard Integral luminous, the transparency of light guide plate directly affects the brightness of backlight simultaneously.
Therefore, membrane keyboard of the prior art has following shortcoming, and the first, the method for the color prior art of the region backlight of the thin-film light emitting keyboard on market carries out cutting light splitting by light guide plate, but this way can only arrive the region of column direction, transverse direction can not be done, more can not independently arrive each button, therefore can not accomplish single file color or single button color controlling, can not Region control, namely keyboard can only overall backlight, can not region backlight, can not single key-press backlight; The second, what the thin-film light emitting keyboard on market utilized is generally full wafer light guide plate, and reflector is luminous, not takes light source direct projection to complete, causes whole backlight bright all not.
In sum, how effectively solving keyboard any local backlight and single key-press backlight, the problem such as also have backlight bright not, is current those skilled in the art's urgent problem.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of keyboard, can control its any local backlight and single key-press backlight, and backlight obviously increases.
For achieving the above object, the utility model provides following technical scheme:
A kind of keyboard, comprising:
Multiple button;
For the film circuit wafer of trigger key function, be arranged at the lower surface of described button;
Be arranged at the pcb board of described film circuit wafer lower surface, its surface is provided with the LED element corresponding with described button and the integrated circuit processor for controlling described LED element luminescence.
Preferably, in above-mentioned keyboard, also comprise the lower cover being arranged at described pcb board lower surface, between described lower cover and described pcb board, rib is set.
Preferably, in above-mentioned keyboard, described button comprises keycap, the middle plate be connected with described keycap lower surface, the machinery that is connected with described middle plate lower surface are good for core and are arranged at the silica gel seat that core lower surface is good for by described machinery.
Preferably, in above-mentioned keyboard, described film circuit wafer comprises the upper circuit layer as positive pole, the lower circuit layer as negative pole and is arranged at interlayer between described upper circuit layer and described lower circuit layer.
Preferably, in above-mentioned keyboard, described film circuit wafer surface is provided with for the contact center with described key contact, and described contact center is corresponding with described button, and and the position of described LED element in the horizontal there is interval.
Preferably, in above-mentioned keyboard, the circle of described contact center to be radius be 1.5mm.
Preferably, in above-mentioned keyboard, also comprise being arranged at and increase the weight of steel plate between described pcb board and described film circuit wafer, described in increase the weight of position corresponding with described LED element on steel plate and offer through hole.
Preferably, in above-mentioned keyboard, also comprise the organic glass be arranged between described pcb board and described film circuit wafer.
Preferably, in above-mentioned keyboard, also comprising the anti-subsides parts for adjusting flatness, being arranged at the surrounding of LED element described in described pcb board upper surface, and covering described button center.
The utility model also provides a kind of terminal device, comprises the keyboard described in above-mentioned any one.
As can be seen from technique scheme, a kind of keyboard provided by the utility model, comprising: multiple button; For the film circuit wafer of trigger key function, be arranged at the lower surface of described button; Be arranged at the pcb board of described film circuit wafer lower surface, its surface is provided with the LED element corresponding with described button and the integrated circuit processor for controlling described LED element luminescence.The utility model is provided with a LED element in each button lower surface correspondence, whether all LED element control to open by integrated circuit processor, backlight membrane keyboard in hinge structure eliminates light guide plate, LED element is as light source direct irradiation button, the backlight illumination of each button is obviously increased, and the overall even back of keyboard, simultaneously, due to integrated circuit processor, can to control all LED element luminous separately, the LED element luminescence that multiple LED element is simultaneously luminous and all, so, achieve single key-press backlight, the effect of local backlight or overall backlight.Backlight mechanical keyboard in hinge structure, button itself is not directly contact with pcb board, but contacts with film circuit wafer, achieves button Trigger Function.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The composition structural drawing of a kind of keyboard that Fig. 1 provides for the utility model embodiment;
The keyboard vertical view that Fig. 2 provides for the utility model embodiment;
The keyboard rear view that Fig. 3 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1,2, the composition structural drawing of 3, Fig. 1 a kind of keyboards provided for the utility model embodiment; The keyboard vertical view that Fig. 2 provides for the utility model embodiment; The keyboard rear view that Fig. 3 provides for the utility model embodiment.
In a kind of embodiment, provide a kind of keyboard, comprise multiple button; For the film circuit wafer 106 of trigger key function, be arranged at the lower surface of described button; Be arranged at the pcb board 108 of described film circuit wafer 106 lower surface, its surface is provided with the LED element 109 corresponding with described button and the integrated circuit processor for controlling the luminescence of described LED element 109.
Concrete, the keyboard structure that the present embodiment provides from the bottom up order is: lower cover, pcb board 108, increase the weight of steel plate 107, film circuit wafer 106, silica gel seat 105, mechanical keys core 104, middle plate 103, cover 102 and keycap 101.On keyboard, also comprise the lower cover being arranged at described pcb board 108 lower surface, rib 112 is set between described lower cover and described pcb board 108, the button of all functions is all in the superiors' arrangement, and button comprises keycap 101, the middle plate 103 is connected with keycap lower surface, the machinery that is connected with middle plate 103 lower surface are good for core 104 and are arranged at mechanical silica gel seat 105 of being good for core 104 lower surface.The realization of the keypress function of each button is all realized by film circuit wafer 106.Film circuit wafer 106 comprises the upper circuit layer as positive pole, the lower circuit layer as negative pole and is arranged at interlayer between upper circuit layer and lower circuit layer.Wherein, upper circuit layer, lower circuit layer all adopt mylar of good performance (PET) as the carrier of on-off circuit figure, and thereon with conductive silver paste and conductive carbon paste on special technique silk-screen, make it have electric conductivity, its thickness is generally within 0.05-0.175mm, modal is with 0.125mmPET, and middle interlayer is between circuit with lower circuit layer and also plays a part to seal and be connected, general employing PET double faced adhesive tape.When finger is depressed from keycap, upper circuit layer will contact energising with lower circuit layer, namely completes conducting.
The triggering of keypress function and backlight separately realize, and keypress function is realized by film circuit wafer 106, and backlight is placed on undermost pcb board 108 and has controlled.Be arranged at the pcb board 108 of described film circuit wafer 106 lower surface, its surface is provided with the LED element 109 corresponding with described button and the integrated circuit processor for controlling the luminescence of described LED element 109.Wherein, the LED element 109 on pcb board 108 can become the LED element of different colours by Optional assembling, LED element 109 be encapsulated as 3528 types, be highlighted type LED, the backlight LED circuit of each button can go to arrange as required.The main control processor of pcb board 108 can control integral keyboard luminescence, is generally arranged on the upper right corner of keyboard, and integrated circuit processor MCU, for whether controlling the work of LED element 109, namely controls the duty of LED element 109.If the integrated circuit processor MCU of choice for use DICE, can use a switching pcb board, integrated circuit processor MCU and switching pcb board are integrated, and are directly bundled on pcb board; If have selected the integrated circuit processor MCU of SMD, be directly bundled on PCB base plate.Integrated circuit processor MCU need peripheral element to support it realizes controlling functions, as resistance, electric capacity, the luminescence of LED element can not only be controlled, the keypress function realizing keyboard can also be coordinated with film circuit wafer.Keyboard in the present embodiment not only can control to backlight color and the brightness of each button, and is suitable for multiple ID keyboard, is not limited to keyboard profile.Meanwhile, the local luminescence of keyboard has various ways, and the demand according to user is arranged, all within protection domain.
Further, described film circuit wafer 106 surface is provided with for the contact center 110 with described key contact, and described contact center 110 is corresponding with described button, and and the position of described LED element in the horizontal there is interval.The contact center 110 of the button on film circuit wafer 106 surface overlaps with the centre of button, contact center 110 is preferably the circle that radius is 1.5mm, the partition aperture of film circuit wafer 106 is 7mm, and stagger with the contact center 110 of button in the position of LED element 109, at a distance of certain distance, reason has two, first, contact center 110 mainly through film circuit wafer 106 realizes the Trigger Function of button, therefore the upper circuit layer of film circuit wafer 106 and lower circuit layer are the contact centers 110 in film circuit wafer 106 by the main distributed areas of silver slurry printing, and the contact center 110 after the printing of silver slurry is lighttight substantially, if LED element 109 is positioned at immediately below contact center 110, then can cause light can not completely through, affect backlight illumination, the second, the character on keycap 101 surface is not printed on central point, and the object of LED element 109 is illuminated by the character on keycap 101 surface, and therefore, the setting position of LED element 109 is preferably corresponding with the position of character.
Further, on the basis of above-described embodiment, keyboard also comprises being arranged at and increases the weight of steel plate 107 between described pcb board 108 and described film circuit wafer 106, described in increase the weight of position corresponding with described LED element 109 on steel plate 107 and offer through hole 111.Owing to not allowing the position occurring hollow out in 3mm below the contact center of film circuit wafer 106, otherwise there will be the problem that button weight is bad, in order to make button weight good, arrange between pcb board 108 and film circuit wafer 106 and increase the weight of steel plate 107, in order to ensure that LED element 109 can printing opacity smoothly, the through hole 111 that at least formed objects offered by steel plate 107 is increased the weight of, the shape of through hole 111 and the mating shapes of LED element 109 being positioned at directly over LED element 109.
Further, increase the weight of steel plate 107 if do not used, keyboard also comprises the organic glass be arranged between described pcb board and described film circuit wafer.Increase the weight of steel plate identical with the thickness of organic glass, because organic glass itself can printing opacity, therefore do not need perforate can complete light transmission.
Further, increase the weight of steel plate or organic glass if do not used, keyboard also comprises the anti-subsides parts for adjusting flatness, is arranged at the surrounding of LED element 109 described in described pcb board 108 upper surface, and covers described button center.If do not put increase the weight of steel plate 107 or organic glass time, film circuit wafer 106 is just directly laid in the surface of pcb board 108, the volume height of LED element 109 causes out-of-flatness, keep smooth to make the front of printing opacity, film bored a hole and there will be film circuit wafer 106 cabling difficulty, can only arrange around LED element 109 and instead paste parts, except LED body, coordinate some Chip-Rs or control IC etc., but the rib position of lower cover will be avoided.
The keyboard that the utility model provides and the luminous same principle of mechanical keyboard, by installing the LED element 109 of high brightness on the correspondence position of pcb board 108 button, namely a LED element 109 is provided with in each button lower surface correspondence, whether all LED element 109 control to open by integrated circuit processor, backlight membrane keyboard in hinge structure eliminates light guide plate, LED element 109 is as light source direct irradiation button, the backlight illumination of each button is obviously increased, and the overall even back of keyboard, simultaneously, because integrated circuit processor can control the luminescence separately of all LED element 109, LED element 109 luminescence that multiple LED element 109 is simultaneously luminous and all, so, achieve single key-press backlight, the effect of local backlight or overall backlight.Backlight mechanical keyboard in hinge structure, button itself is not directly contact with pcb board 108, but contacts with film circuit wafer, achieves button Trigger Function.The enough bright diversification again of the keyboard back light that the utility model provides, namely reach the backlight effect of mechanical keyboard, can make again button independent luminous, local is luminous or Integral luminous, reaches the required good result of user.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a keyboard, is characterized in that, comprising:
Multiple button;
For the film circuit wafer of trigger key function, be arranged at the lower surface of described button;
Be arranged at the pcb board of described film circuit wafer lower surface, its surface is provided with the LED element corresponding with described button and the integrated circuit processor for controlling described LED element luminescence.
2. keyboard as claimed in claim 1, is characterized in that, also comprise the lower cover being arranged at described pcb board lower surface, arrange rib between described lower cover and described pcb board.
3. keyboard as claimed in claim 2, is characterized in that, described button comprises keycap, the middle plate be connected with described keycap lower surface, the machinery that is connected with described middle plate lower surface are good for core and are arranged at the silica gel seat that core lower surface is good for by described machinery.
4. keyboard as claimed in claim 3, it is characterized in that, described film circuit wafer comprises the upper circuit layer as positive pole, the lower circuit layer as negative pole and is arranged at interlayer between described upper circuit layer and described lower circuit layer.
5. keyboard as claimed in claim 4, is characterized in that, described film circuit wafer surface is provided with for the contact center with described key contact, and described contact center is corresponding with described button, and and the position of described LED element in the horizontal there is interval.
6. keyboard as claimed in claim 5, is characterized in that, the circle of described contact center to be radius be 1.5mm.
7. the keyboard as described in any one of claim 1 to 6, is characterized in that, also comprises being arranged at increasing the weight of steel plate between described pcb board and described film circuit wafer, described in increase the weight of position corresponding with described LED element on steel plate and offer through hole.
8. the keyboard as described in any one of claim 1 to 6, is characterized in that, also comprises the organic glass be arranged between described pcb board and described film circuit wafer.
9. the keyboard as described in any one of claim 1 to 6, is characterized in that, also comprising the anti-subsides parts for adjusting flatness, being arranged at the surrounding of LED element described in described pcb board upper surface, and covering described button center.
10. a terminal device, is characterized in that, comprises the keyboard described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637187.6U CN204965333U (en) | 2015-08-21 | 2015-08-21 | Keyboard and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637187.6U CN204965333U (en) | 2015-08-21 | 2015-08-21 | Keyboard and terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204965333U true CN204965333U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520637187.6U Active CN204965333U (en) | 2015-08-21 | 2015-08-21 | Keyboard and terminal equipment |
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| Country | Link |
|---|---|
| CN (1) | CN204965333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045403A (en) * | 2015-08-21 | 2015-11-11 | 黄修海 | Keyboard and terminal device |
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2015
- 2015-08-21 CN CN201520637187.6U patent/CN204965333U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045403A (en) * | 2015-08-21 | 2015-11-11 | 黄修海 | Keyboard and terminal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170511 Address after: 518000 A building, No. 11, row 1, Xinqiao industrial district, manhole, Xinqiao, Shenzhen, Guangdong, Baoan District, China Patentee after: Shenzhen xinbicheng Industry Co., Ltd. Address before: 518000 building A, No. 11, Xinqiao industrial district, manhole town, manhole town, Shenzhen, Baoan District, Guangdong Patentee before: Huang Xiuhai |