CN107068463B - Keyboard membrane and preparation method thereof, waterproff keyboard, button assembly and illuminated keyboard - Google Patents
Keyboard membrane and preparation method thereof, waterproff keyboard, button assembly and illuminated keyboard Download PDFInfo
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- CN107068463B CN107068463B CN201710344703.XA CN201710344703A CN107068463B CN 107068463 B CN107068463 B CN 107068463B CN 201710344703 A CN201710344703 A CN 201710344703A CN 107068463 B CN107068463 B CN 107068463B
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- button
- keyboard
- tissue layer
- layer
- light transmission
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/86—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the casing, e.g. sealed casings or casings reducible in size
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/88—Processes specially adapted for manufacture of rectilinearly movable switches having a plurality of operating members associated with different sets of contacts, e.g. keyboards
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
- H01H2223/003—Membrane embracing all keys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/024—Packing between substrate and membrane
- H01H2229/028—Adhesive
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/024—Packing between substrate and membrane
- H01H2229/03—Laminating
Abstract
The present invention is about waterproff keyboard, the production method of keyboard membrane, Waterproof push-button assembly and illuminated keyboard, wherein keyboard membrane, including tissue layer, light transmission glue-line and light shield layer.Light transmission glue-line is incorporated into the upper surface of tissue layer.Light shield layer is incorporated into the lower surface of tissue layer；Light transmission glue-line and tissue layer form the button holding part of a plurality of indents through hot press molding, tissue layer and light shield layer are located at the side where the button holding part of indent, and are located at the pierced pattern that there is material to be removed for tissue layer and light shield layer in each button holding part.Other than the waterproof effect for reaching keyboard, the pierced pattern on the inside of keyboard membrane will not be worn keyboard membrane provided by the invention because of operation, and diagram that pierced pattern and light-transparent pattern be presented, character is allow to maintain its recognition effect for a long time.
Description
Technical field
The present invention protects structure about the cladding of keyboard, especially with regard to the making of keyboard membrane, waterproff keyboard, keyboard membrane
Method, Waterproof push-button assembly and illuminated keyboard.
Background technology
The keyboard of electronic device, for example, notebook computer keyboard, be external moisture be easiest to invasion electronic device inside
Part.Whether unexpected moisture intrusion of daily use, strong notebook computer are in outdoor use or right
It is cleared up in keyboard and necessary clean solution must not used (such as medical institutes uses alcohol, disinfection to equipment and instrument
Liquid carries out disinfection), can all moisture be caused to invade electronic device by keyboard.In addition, the character, diagram on button cap are with the side of printing
Formula makes, and is used for a long time to also wear out and falls off so that being difficult to.
Existing waterproff keyboard design, mainly further covers waterproofing membrane, keyboard will be arranged in keyboard setting area
Window entirely close, while waterproofing membrane also has the recess portion of matching button cap so that the island structure of button cap still can be
It is presented on waterproofing membrane.And character portion is then configured through the mode of printing or laser engraving dimpled grain.Similarly, these
Character positioned at waterproofing membrane upper surface, has been easy wear problem.Laser engraving dimpled grain causes recessed in addition to can persistently be worn away
Except line unobvious, also easy accumulation is dirty for the concave configuration of dimpled grain itself, for needing to keep clean medical institutes to be one
The problem of item perplexs very much.
Therefore, the waterproofing membrane design for how improving existing keyboard, is still the technical task in waterproff keyboard field.
Invention content
In view of the above problems, the present invention proposes keyboard membrane, waterproff keyboard, the production method of keyboard membrane, Waterproof push-button assembly
And illuminated keyboard, solve technical task existing for prior art.
In order to achieve the above objectives, the present invention provides a kind of keyboard membrane, which includes：Tissue layer；Light transmission glue-line,
It is incorporated into the upper surface of the tissue layer；And light shield layer, it is incorporated into the lower surface of the tissue layer；Wherein, the light transmission glue-line and
The tissue layer forms a plurality of button holding parts of indent through hot press molding, and the tissue layer and the light shield layer are located at being somebody's turn to do for indent
Side where a plurality of button holding parts, and the tissue layer in each button holding part and the light shield layer have
Pierced pattern.
Optionally, also include color tint layer, which, which corresponds to, is coated in the pierced pattern and contacts this thoroughly
Optical cement layer lower surface.
The present invention also provides a kind of waterproff keyboard, which includes：Shell, with window；Substrate is set to
In the shell；A plurality of button caps are set to the top of the substrate and are located in the window, and the top surface of each button cap is logical
It crosses the window and protrudes from the window；An at least light source is set in the shell, to throw light；And it is as described above
Keyboard membrane is covered on the window and seals the window, and each button holding part correspondence is covered in a plurality of button caps
One of, and the pierced pattern is made to be located at the top surface of corresponding each button cap.
Optionally, at least localised application colouring coat of colo(u)r of the top surface of each button cap, and the painting of the colouring coat of colo(u)r
Cloth position is Chong Die with the position of the pierced pattern.
Optionally, the top surface of each button cap is coated with viscose glue, to adhere to each button cap in corresponding button holding part, and
And the viscose glue have white or it is transparent other than color.
The present invention also provides a kind of production method of keyboard membrane, which includes：It is coated with light transmission sizing material before curing
In the upper surface of tissue layer；The tissue layer and the light transmission sizing material are carried out hot-forming, cures the light transmission sizing material and knit at this
The upper surface of nitride layer forms light transmission glue-line, and accommodating in a plurality of buttons for forming indent in the tissue layer and the light transmission glue-line
Portion, the wherein tissue layer are located at the side where a plurality of button holding parts of indent；It is formed in the lower surface of the tissue layer
Light shield layer；And by light shield layer and the local hollow out of tissue layer progress in each button holding part, and form pierced pattern.
Optionally, also include before hot-forming to the tissue layer and light transmission sizing material progress, to flatten the light transmission sizing material simultaneously
Adjust the coating thickness of the light transmission sizing material.
The present invention also provides a kind of Waterproof push-button assembly, the assembly of the Waterproof push-button includes：Keyboard membrane, with tissue layer
And it is incorporated into the light transmission glue-line of the tissue layer upper surface, the light transmission glue-line and the tissue layer form the plural number of indent through hot press molding
A button holding part, which is located at the side where a plurality of button holding parts of indent, and is located at each button
The tissue layer in holding part has pierced pattern；And a plurality of button caps, it sets on at least partly top surface of each button cap
Light shield layer is set, and pierced pattern is set on the light shield layer, each button holding part corresponds to its for being covered in a plurality of button caps
One of, and the pierced pattern of the tissue layer is overlapped in the pierced pattern of the light shield layer.
Optionally, also comprising colouring coat of colo(u)r, which corresponds to the pierced pattern for being covered in the light shield layer.
The present invention also provides a kind of illuminated keyboard, which includes：Substrate；A plurality of button caps, are set to this
On substrate, which can move up and down relative to the substrate, two adjacent button caps in a plurality of button caps
Between have button cap gap；Keyboard membrane, the keyboard membrane have light shield layer, tissue layer, light transmission glue-line and a plurality of pierced patterns,
The keyboard membrane is arranged on a plurality of button caps and extends in above the button cap gap, which is arranged in the tissue layer
Lower surface, which is arranged in the upper surface of the tissue layer, and each pierced pattern is correspondingly arranged in each button respectively
The top of cap, a plurality of pierced patterns extend through the light shield layer and the tissue layer；And an at least light source, it is arranged at this
On substrate, at least a light source emits beam for this, which, which travels upwardly, penetrates a plurality of pierced patterns and the light transmission glue-line, and
Keep a plurality of pierced patterns recognizable；Wherein when a plurality of button caps move up and down relative to the substrate, the light transmission
Glue-line can be deformed accordingly with the tissue layer and keep extending on the button cap gap；Wherein the light transmission glue-line has a plurality of
Press section, each press section upper surface keep flat, and each press section is correspondingly arranged in the top of each button cap respectively, and every
One press section, which corresponds to, covers one of a plurality of pierced patterns.
Optionally, which also includes color tint layer, which is set in a plurality of pierced patterns,
And the color tint layer contacts a plurality of pressing lower surfaces；The color tint layer change penetrate a plurality of pierced patterns with
The light of the light transmission glue-line, the light-transparent pattern formed for recognizing a plurality of pierced patterns.
Optionally, the light transmission glue-line also include a plurality of recessed portions, each depressed area in two adjacent press sections it
Between, and each depressed area is in the top in the button cap gap, the boundary for recognizing each press section.
Compared with prior art, keyboard membrane provided by the invention is located at keyboard other than the waterproof effect for reaching keyboard
Pierced pattern on the inside of film will not be worn because of operation, and make pierced pattern and light-transparent pattern presented diagram, word
Symbol can maintain its recognition effect for a long time.In addition, not have recessed diagram, character recessed on the surface of the press section of keyboard membrane
Place is fallen into, it is possible to prevente effectively from dirty accumulation.Meanwhile the present invention enhances the intensity of light transmission glue-line with tissue layer, can effectively drop
The thickness of low keyboard membrane interferes the operation of keyboard so as to avoid the too big thickness of keyboard membrane.
Description of the drawings
Fig. 1 is the stereogram of first embodiment of the invention waterproff keyboard；
Fig. 2 is the section decomposition diagram of the keyboard membrane and key group of first embodiment of the invention；
The keyboard membrane and the diagrammatic cross-section after key group assembling that Fig. 3 is first embodiment of the invention；
Fig. 4 is the partial enlarged view of Fig. 2；
Fig. 5 is the partial enlarged view of Fig. 3；
Fig. 6 is the partial cutaway schematic after the keyboard membrane of first embodiment of the invention is worn for a long time with key group；
Fig. 7 to Figure 12 is the schematic diagram of the manufacturing process of keyboard membrane of the present invention；
Figure 13 is the flow chart of the production method of keyboard membrane of the present invention；
Figure 14 is the partial cutaway schematic of the keyboard membrane of second embodiment of the invention；
Figure 15 is the part section exploded view of the keyboard membrane and key group of third embodiment of the invention；
Figure 16 is the partial cutaway schematic of the Waterproof push-button assembly of third embodiment of the invention；
Figure 17 is the part section exploded view of the keyboard membrane and key group of fourth embodiment of the invention；
Figure 18 is the partial cutaway schematic of the Waterproof push-button assembly of fourth embodiment of the invention；
Figure 19 is the part section exploded view of the keyboard membrane and key group of fifth embodiment of the invention；
Figure 20 is the partial cutaway schematic of the Waterproof push-button assembly of fifth embodiment of the invention.
Specific implementation mode
To become apparent from present disclosure and more accurately understand, now will be described in detail with reference to the accompanying drawings, explanation
Book attached drawing shows the example of the embodiment of the present invention, wherein identical label indicates identical element.It is understood that saying
The ratio of ratio and non-present invention actual implementation shown in bright book attached drawing, for the purpose of being only schematically illustrate, and not according to former ruler
Very little mapping.
As shown in fig.1, for a kind of keyboard membrane disclosed by first embodiment of the invention, the button for being covered in plural number
In the key group that cap 262 forms, keyboard membrane constitutes waterproff keyboard 200 with key group.The waterproff keyboard 200 can be one only
Vertical key board unit can also further configure various necessary electronic components in inside, and constitute the body part of electronic device
Point, the ontology of notebook computer as shown in Figure 1.
Shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the diagrammatic cross-section of keyboard membrane 100, key are provided for first embodiment of the invention
Disk film 100 includes tissue layer 120, light transmission glue-line 140 and light shield layer 160.
As shown in Figures 4 and 5, light transmission glue-line 140 is incorporated into the upper surface of tissue layer 120, and in the upper table of tissue layer 120
Face forms a waterproofing protection structure, and can provide flexible deformation effect appropriate.The material of light transmission glue-line 140 can be but not
It is defined in silica gel, it is any soft and the sizing material of penetration by water can be prevented all to can be used for making light transmission glue-line 140.Sizing material above-mentioned is solid
It is coated on the upper surface of tissue layer 120 before change, the light transmission glue-line 140 for being incorporated into 120 upper surface of tissue layer is become after solidification.Thoroughly
Optical cement layer 140 is usually white, but can also penetrate incorporation pigment and light transmission glue-line 140 is made to have specific color, pigment
Incorporation must take into consideration translucency, to maintain enough translucent effects.
As shown in Figures 4 and 5, tissue layer 120 is to as armature (reinforcement), reinforcement light transmission glue-line 140
Deficiency in intensity, to avoid light transmission glue-line 140 from being ruptured because of pullling.Tissue layer 120 can be advantage of lower cost
Nonwoven fabric or woven cloth product.The Fiber Materials of tissue layer 120 can be various natural fibers, such as cotton, fiber crops, silk, can also be
Staple fibre is such as polyester, nylon, spandex.
As shown in Figures 4 and 5, light shield layer 160 is set to the lower surface of tissue layer 120.Light shield layer 160 can be lighttight
Dark or black ink.Light shield layer 160 be mainly so that the region covered by light shield layer 160 of lower surface of tissue layer 120 not
Light transmission.
As shown in Figures 2 and 4, light transmission glue-line 140 and tissue layer 120 form a plurality of by tissue layer 120 through hot press molding
The button holding part 142 of lower surface indent, light shield layer 160 are further incorporated into the lower surface of tissue layer 120, therefore tissue layer
120 and light shield layer 160 be positioned at the side where the button holding part 142 of indent.Each button holding part 142 can have respectively
There is different shape sizes.
As shown in Fig. 1, Fig. 3 and Fig. 5, shape size, the configuration mode of button holding part 142 mainly correspond to plural number
The configuration of a button cap 262 so that each button holding part 142 can accommodate a corresponding button cap 262 and coat
Button cap 262, and make the top surface of button cap 262 towards keyboard membrane 100.
As shown in Figures 4 and 5, in button holding part 142, tissue layer 120 and light shield layer 160 pass through hollow processing,
So that the tissue layer 120 and light shield layer 160 in each button holding part 142 have the pierced pattern that material is removed
180, pierced pattern 180 corresponds to 262 required character of each button cap either graphical sysmbol.Hollow processing above-mentioned can be but
It is not limited to rapid laser carving.Accordingly, when to the lower surface of keyboard membrane 100, that is, the lower surface throw light of tissue layer 120
When, some light can be blocked by light shield layer 160, and some light can penetrate light transmission glue-line 140 again by pierced pattern 180, and
In the upper surface of keyboard membrane 100, that is, the upper surface of light transmission glue-line 140, presentation shape correspond to pierced pattern 180 and shine
Light-transparent pattern 146.
As shown in Figure 1, Figure 2 and Figure 3, a kind of waterproff keyboard 200 that first embodiment of the invention further provides for, waterproof key
Disk 200 includes shell 220, substrate 240, a plurality of button caps 262, at least a light source 280 and keyboard membrane above-mentioned 100.It is anti-
Water keyboard 200 can be an independent key board unit, can also further configure various necessary electronic components in inside, and
Constitute the body part of electronic device, such as the ontology of notebook computer.
As shown in Figure 1, Figure 2 and Figure 3, shell 220 has window 222.Substrate 240 is set in shell 220.Button cap
262 are set to the top of substrate 240, and are located in window 222.The top surface of each button cap 262 by window 222 outwardly
And slightly protrude the upper surface of shell 220, at least partially light-permeable of the top surface of button cap 262.
As shown in Figures 2 and 3, at least a light source 280 is set in shell 220；At least a light source 280 can be set to base
Can also be the other positions being set in shell 220 on plate 240.At least a light source 280 is projected to throw light
Light can be projected towards a plurality of button caps 262 of window 222, can also towards after 220 inside other positions projection of shell, then
Via a plurality of button caps 262 being projected to again after various refractions, scattering means progress light positioned at window 222.Substrate 240 can
For printed circuit board, flexible circuit board (the Flexible Print Circuit of thin film type keyboard；FPC) or not has circuit
General support plate.An at least light source 280 can be light emitting diode, miniature lamp, small-sized cold-cathode tube, cold light element etc..At least one
The configuration of light source 280 can correspond to the setting of a plurality of button caps 262, that is, each light source 280 corresponds to a button cap
262 settings, and positioned at the lower section of button cap 262；At least a light source 280 can also be and equably be configured on substrate 240, and
Its quantity and position are not corresponded with a plurality of button caps 262, and the light that at least a light source 280 is sent out is through light guide plate and
The conduction of tabula rasa (not shown) so that each button cap 262 can equably light.Keyboard membrane 100 is covered in window 222
Above sealed window 222, and each button holding part 142 correspondence is covered in a button cap 262, and make pierced pattern
180 are located at the top surface of button cap 262.
As shown in Fig. 1, Fig. 3 and Fig. 5, the window 222 that keyboard membrane 100 seals, therefore window 222 can be penetrated to avoid moisture
Or the gap between button cap 262 is penetrated into waterproff keyboard 200.And light is provided by an at least light source 280, due to shading
Layer 160 is set to the lower surface of keyboard membrane 100 so that light can only again be penetrated by the pierced pattern 180 in keyboard membrane 100
Optical cement layer 140, and in the upper surface of keyboard membrane 100, that is, the upper surface of light transmission glue-line 140, luminous light-transparent pattern is presented
146, it uses and identifies different button caps 262 for user.
As shown in Figures 1 to 5, do not consider keyboard membrane 100 whether sealed window 222 in the case of, it is keyboard membrane 100, multiple
Several button caps 262 and at least a light source 280 form illuminated keyboard.The illuminated keyboard includes substrate 240, a plurality of buttons
Cap 262, keyboard membrane 100 and an at least light source 280.A plurality of button caps 262 are set on substrate 240, and through elasticity
The setting of mechanism or other resetting-mechanisms, button cap 262 can move up and down relative to substrate 240.Phase in a plurality of button caps 262
There is button cap gap W, so that it is guaranteed that the running between each button cap 262 will not interfere with each other between adjacent button cap 262.
To allow button cap gap W to clearly appear from, the button cap gap W amplifications of Fig. 2 and Fig. 3 are drawn, and not according to the ratio of Fig. 1
It draws.
As shown in Figures 2 and 3, keyboard membrane 100 is arranged on a plurality of button caps 262 and extends on the W of button cap gap
Side.Light shield layer 160 is arranged in the lower surface of tissue layer 120, and light transmission glue-line 140 is arranged in the upper surface of tissue layer 120.It is each to engrave
Null pattern 180 is correspondingly arranged in 262 top of each button cap respectively, and a plurality of pierced patterns 180 extend through light shield layer
160 with tissue layer 120.Light transmission glue-line 140 has a plurality of press sections 144 and a plurality of recessed portions 148.Each press section 144
Upper surface keeps flat, and each press section 144 is correspondingly arranged in 262 top of each button cap respectively, and each press section 144 is covered
Cover corresponding pierced pattern 180.A plurality of recessed portions 148 are between a plurality of press sections 144, and each recessed portion 148 is located at
Above corresponding button cap gap W, so contribute to the boundary for recognizing each press section 144.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, an at least light source 280 is arranged on substrate 240, and at least a light source 280 is sent out
Light, light make directly or through travelling upwardly after refraction, reflection and penetrate a plurality of pierced patterns 280 and light transmission glue-line 140
A plurality of pierced patterns 280 are recognizable above light transmission glue-line 140.Light transmission glue-line 140 can carry out elastic change with tissue layer 120
Shape.When a plurality of button caps 262 move up and down relative to substrate 120, light transmission glue-line 140 can become with tissue layer 120 in response to ground
Shape and keep extending on the W of button cap gap.
The hollow processing of a plurality of pierced patterns 180, such as laser engraving are the medial surface (medial surfaces in keyboard membrane 100
It is the side far from light transmission glue-line 140) it carries out, therefore the press section 144 of light transmission glue-line 140 does not have recessed diagram, character
Recess, it is possible to prevente effectively from dirty accumulation.
As shown in fig. 6, keyboard membrane 100 is after long-time operation, although light transmission glue-line 140 can be inevitably worn away,
But main 144 thickness of press section for being all the part for being located at 262 back of button cap belongs to flat surface by skiving, wherein position
In 262 back of button cap part 144 thickness of press section by skiving, refer to top surface of the press section 144 far from button cap 262
Part is by skiving.And the tissue layer 120 and light shield layer 160 with a plurality of pierced patterns 180 all will not directly be worn away,
Therefore the effect that a plurality of pierced patterns 180 and light-transparent pattern 146 are presented can't be affected, and make a plurality of hollow out figures
Diagram that case 180 and light-transparent pattern 146 are presented, character can maintain its recognition effect for a long time.In addition, the present invention is to knit
Nitride layer 120 enhances the intensity of light transmission glue-line 140, the thickness of keyboard membrane 100 can be effectively reduced, so as to avoid keyboard membrane
100 thickness increase and interfere the operation of keyboard.
It is a kind of production method of keyboard membrane 100 provided by the invention shown in Fig. 7 to Figure 13.Such as Fig. 7, Fig. 8 and figure
Shown in 13, first, in placement tissue layer 120 on carrying platform 300, and light transmission sizing material 140a before curing is coated in tissue layer
120 upper surface (Step 110).Then light transmission sizing material 140a is flattened with smoother 310 and adjusts the painting of light transmission sizing material 140a
Cloth thickness (Step 120).
As shown in Fig. 9, Figure 10 and Figure 13, tissue layer 120 is placed in together with light transmission sizing material 140a in heating mould 400, it is right
Tissue layer 120 and light transmission sizing material 140a carry out hot-forming (Step 130).That is, to light transmission sizing material 140a hot-press solidifyings at
Type makes the shape of tissue layer 120 also change correspondingly simultaneously, is formed in the upper surface of tissue layer 120 with curing light transmission sizing material 140a
Light transmission glue-line 140, and in light transmission glue-line 140 and tissue layer 120 formed it is a plurality of from the button of 120 lower surface indent of tissue layer hold
Portion 142 is set, and tissue layer 120 is positioned at the side at 142 place of button holding part of indent.
As shown in FIG. 9 and 10, in one illustrates, heating mould 400 includes upper mold 410 and lower die 420, and upper mold 410 has
There is recess portion, and lower die 420 has the protrusion of matching recesses, the profile of protrusion is substantially identical as the profile of button cap 262, that is, convex
The profile in portion is identical as button holding part 142；And recess portion then coordinates thickness of 120 thickness of tissue layer plus light transmission glue-line 140, and
Slightly larger than protrusion.Light transmission sizing material 140a and tissue layer 120 are placed between upper mold 410 and lower die 420, and tissue layer 120 is under
Mould 420 and light transmission sizing material 140a are towards upper mold 410.After upper mold 410 and lower die 420 are molded and are heated, you can solidification light transmission sizing material
140a and form light transmission glue-line 120, and the shape on light transmission glue-line 140 and tissue layer 120 simultaneously in the upper surface of tissue layer 120
At the button holding part 142 of indent.Button holding part 142 can be molded after supercooling.
Refering to fig. 1 shown in 1 and Figure 13, then, it is coated with ink in the lower surface of tissue layer 120, and forms light shield layer 160
(Step 140)。
Refering to fig. 1 shown in 2 and Figure 13, finally, laser engraving operation is executed to light shield layer 160 and tissue layer 120, will be hidden
The local hollow out of photosphere 160 and tissue layer 120, and form pierced pattern 180 (Step 150).
In such a way that color is presented in pierced pattern 180, it can be controlled by the color of an at least light source 280, it can also be by
Suitable pigment is mixed in light transmission glue-line 140 to present.Also it can be further processed and additional particular color.
As shown in figure 14, it is a kind of partial cutaway schematic of keyboard membrane 100 disclosed by second embodiment of the invention.The
The composition of keyboard membrane 100 of two embodiments is substantially identical with the first embodiment, and it includes tissue layer 120, light transmission glue-line 140 and is hidden
The configuration of photosphere 160, tissue layer 120, light transmission glue-line 140 and light shield layer 160 is also substantially identical with the first embodiment, below not
It repeats again.
Difference lies in the keyboard membrane 100 of second embodiment further includes color tint layer 190, by keyboard membrane 100
Side is coated in a plurality of pierced patterns 180 of hollow out, and contacts 144 lower surface of a plurality of press sections.Actual operation is straight
The inside coating color tint layer 190 by keyboard membrane 100 is connect, therefore the lower surface of light shield layer 160 inevasible can also cover
Upper color tint layer 190, but main purpose is on a plurality of pierced patterns 180 for want color tint filling hollow out so that light transmission
The position that the lower surface of glue-line 140 corresponds to a plurality of pierced patterns 180 is coated with color tint layer 190.Color tint layer 190
Material still based on the ink with high light transmittance, color tint layer 190 change penetrates a plurality of pierced patterns 180 and light transmission
The light of glue-line 140 so that after light is by color tint layer 190, and presented with specific in the upper surface of light transmission glue-line 140
The light-transparent pattern of color helps to recognize light-transparent pattern.
Refering to fig. 1 shown in 5 and Figure 16, Figure 15 is the keyboard membrane of third embodiment of the invention and the part section point of key group
Xie Tu, Figure 16 are a kind of partial cutaway schematic of Waterproof push-button assembly disclosed by third embodiment of the invention, Waterproof push-button
Assembly includes at least keyboard membrane 100 and a plurality of button caps 262, wherein a plurality of button caps are only shown in Figure 15 and Figure 16
One of 262.
The composition of keyboard membrane 100 is substantially identical with the first embodiment, including tissue layer 120, light transmission glue-line 140 and light shield layer
160, the configuration of tissue layer 120, light transmission glue-line 140 and light shield layer 160 is also substantially identical with the first embodiment, no longer superfluous below
It states.Difference lies in, in 3rd embodiment, the part that pierced pattern 180 is corresponded in the top surface of button cap 262 is painted,
That is, the top surface of button cap 262 at least localised application paint coat of colo(u)r 266, and allow colouring coat of colo(u)r 266 position with engrave
Null pattern 180 is overlapped.The material of colouring coat of colo(u)r 266 is still based on the ink with high light transmittance so that light passes through button
The rear of cap 262 just will present particular color, and the light transmission figure with particular color finally is presented in the upper surface of light transmission glue-line 140
Case 146.
Refering to fig. 1 shown in 7 and Figure 18, Figure 17 is the keyboard membrane of fourth embodiment of the invention and the part section point of key group
Xie Tu, Figure 18 are a kind of partial cutaway schematic of Waterproof push-button assembly disclosed by fourth embodiment of the invention, Waterproof push-button
Assembly includes at least keyboard membrane 100 and a plurality of button caps 262, wherein a plurality of button caps are only shown in Figure 17 and Figure 18
One of 262.
The composition of keyboard membrane 100 is substantially identical with the first embodiment, including tissue layer 120, light transmission glue-line 140 and light shield layer
160, the configuration of tissue layer 120, light transmission glue-line 140 and light shield layer 160 is also substantially identical with the first embodiment, no longer superfluous below
It states.Difference lies in fourth embodiment, viscose glue 268, such as hot melt adhesive, and the viscose glue are coated in the top surface of button cap 262
268 have white or it is transparent other than color, it is transparent other than color based on light color.Viscose glue 268 helps to adhere to button cap
262 in button holding part 142.Light is finally existed by that particular color can be presented because of viscose glue 268 after button cap 262
The light-transparent pattern 146 with particular color is presented in the upper surface of light transmission glue-line 140.
Refering to fig. 1 shown in 9 and Figure 20, Figure 19 is the part section of the keyboard membrane and key group of fifth embodiment of the invention
Exploded view, a kind of partial cutaway schematic for Waterproof push-button assembly that Figure 20 is provided by fifth embodiment of the invention, waterproof are pressed
Key assembly includes at least keyboard membrane 100 and a plurality of button caps 262, wherein a plurality of buttons are only shown in Figure 19 and Figure 20
One of cap 262.The keyboard membrane 100 of 5th embodiment is not provided with light shield layer 160, only tissue layer 120 and is coated on
The light transmission glue-line 140 of 120 upper surface of tissue layer, same hollow processing forms pierced pattern 180 in tissue layer 120.
In the 5th embodiment, the top surface of button cap 262 at least partly carries out shading treatment, that is, the top of button cap 262
Light shield layer 160 is at least partly arranged in face.The light shield layer 160 can be lighttight film, be attached at top surface, can also be impermeable
The ink of light is coated with, sprays or is printed in top surface, and light shield layer 160 corresponds to the pierced pattern 180 in tissue layer 120 equally
The pierced pattern 180 of hollow out is set.
It further,, can be into the pierced pattern 180 of light shield layer 160 in order to allow pierced pattern 180 that there is particular color
One step is coated with color tint layer 269.Color tint layer 269 above-mentioned only needs the pierced pattern 180 of covering light shield layer 160 i.e.
Can, the light shield layer 160 that need not be completely covered on top surface.In the present embodiment, color tint layer 269 is also on covering part top surface
Light shield layer 160, but not limited to this, wherein the installation position of color tint layer 269 only needs corresponding pierced pattern 180
Region.
Compared with prior art, keyboard membrane provided by the invention is located at keyboard other than the waterproof effect for reaching keyboard
Pierced pattern on the inside of film will not be worn because of operation, and make pierced pattern and light-transparent pattern presented diagram, word
Symbol can maintain its recognition effect for a long time.In addition, not have recessed diagram, character recessed on the surface of the press section of keyboard membrane
Place is fallen into, it is possible to prevente effectively from dirty accumulation.Meanwhile the present invention enhances the intensity of light transmission glue-line with tissue layer, can effectively drop
The thickness of low keyboard membrane interferes the operation of keyboard so as to avoid the too big thickness of keyboard membrane.
Certainly, the invention may also have other embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding change and deformations, but these corresponding change and deformations can be made according to the present invention by knowing those skilled in the art
The protection domain of appended claims of the invention should all be belonged to.
Claims (12)
1. a kind of keyboard membrane, which is characterized in that the keyboard membrane includes：
Tissue layer；
Light transmission glue-line is incorporated into the upper surface of the tissue layer；And
Light shield layer is incorporated into the lower surface of the tissue layer；
Wherein, the light transmission glue-line and the tissue layer form a plurality of button holding parts of indent through hot press molding, the tissue layer with
And the light shield layer is located at the side where a plurality of button holding parts of indent, and being somebody's turn to do in each button holding part
Tissue layer and the light shield layer have pierced pattern.
2. keyboard membrane as described in claim 1, which is characterized in that also include color tint layer, which, which corresponds to, applies
It is distributed in the pierced pattern and contacts the light transmission glue-line lower surface.
3. a kind of waterproff keyboard, which is characterized in that the waterproff keyboard includes：
Shell, with window；
Substrate is set in the shell；
A plurality of button caps are set to the top of the substrate and are located in the window, and the top surface of each button cap passes through this
Window simultaneously protrudes from the window；
An at least light source is set in the shell, to throw light；And
It such as claims 1 or 2 any one of them keyboard membrane, is covered on the window and seals the window, and each button
Holding part correspondence is covered in one of a plurality of button caps, and the pierced pattern is made to be located at corresponding each button
The top surface of cap.
4. waterproff keyboard as claimed in claim 3, which is characterized in that at least localised application of the top surface of each button cap is painted
Coat of colo(u)r, and the application place of the colouring coat of colo(u)r is Chong Die with the position of the pierced pattern.
5. waterproff keyboard as claimed in claim 3, which is characterized in that the top surface of each button cap is coated with viscose glue, every to adhere to
One button cap in corresponding button holding part, and the viscose glue have white or it is other it is transparent other than color.
6. a kind of production method of keyboard membrane, which is characterized in that the production method includes：
Light transmission sizing material before curing is coated in the upper surface of tissue layer；
The tissue layer and the light transmission sizing material are carried out hot-forming, cures the light transmission sizing material and the upper surface shape in the tissue layer
At light transmission glue-line, and in a plurality of button holding parts for forming indent in the tissue layer and the light transmission glue-line, the wherein fabric
Layer is located at the side where a plurality of button holding parts of indent；
Light shield layer is formed in the lower surface of the tissue layer；And
By light shield layer and the local hollow out of tissue layer progress in each button holding part, and form pierced pattern.
7. the production method of keyboard membrane as claimed in claim 6, which is characterized in that also include, to the tissue layer and this thoroughly
Before the progress of optical cement material is hot-forming, flattens the light transmission sizing material and adjust the coating thickness of the light transmission sizing material.
8. a kind of Waterproof push-button assembly, which is characterized in that the Waterproof push-button assembly includes：
Keyboard membrane with tissue layer and is incorporated into the light transmission glue-line of the tissue layer upper surface, the light transmission glue-line and the tissue layer
A plurality of button holding parts of indent are formed through hot press molding, which is located at where a plurality of button holding parts of indent
Side, and the tissue layer in each button holding part has pierced pattern；And
Light shield layer is arranged on at least partly top surface of each button cap, and hollow out figure is arranged on the light shield layer for a plurality of button caps
Case, each button holding part correspondence are covered in one of a plurality of button caps, and the pierced pattern weight of the tissue layer
It is laminated on the pierced pattern of the light shield layer.
9. Waterproof push-button assembly as claimed in claim 8, which is characterized in that also include colouring coat of colo(u)r, the colouring coat of colo(u)r
The corresponding pierced pattern for being covered in the light shield layer.
10. a kind of illuminated keyboard, which is characterized in that the illuminated keyboard includes：
Substrate；
A plurality of button caps are set on the substrate, which can move up and down relative to the substrate, the plural number
There is in a button cap between two adjacent button caps button cap gap；
There are light shield layer, tissue layer, light transmission glue-line and a plurality of pierced patterns, keyboard membrane setting to exist for keyboard membrane, the keyboard membrane
It on a plurality of button caps and extends in above the button cap gap, which is arranged in the lower surface of the tissue layer, this is thoroughly
Optical cement layer is arranged in the upper surface of the tissue layer, and each pierced pattern is correspondingly arranged in the top of each button cap respectively, this is multiple
Several pierced patterns extend through the light shield layer and the tissue layer；And
An at least light source, on the substrate, at least a light source emits beam for this, which, which travels upwardly, penetrates the plural number for setting
A pierced pattern and the light transmission glue-line, and keep a plurality of pierced patterns recognizable；
Wherein when a plurality of button caps move up and down relative to the substrate, which can accordingly become with the tissue layer
Shape and keep extending on the button cap gap；
Wherein there are the light transmission glue-line a plurality of press sections, each press section upper surface to keep flat, and each press section is right respectively
It should be set to the top of each button cap, and each press section corresponds to and covers one of a plurality of pierced patterns.
11. keyboard as claimed in claim 10, which is characterized in that the keyboard membrane also includes color tint layer, the color tint
Layer is set in a plurality of pierced patterns, and the color tint layer contacts a plurality of pressing lower surfaces；The color tint
Layer changes the light for penetrating a plurality of pierced patterns and the light transmission glue-line, for recognizing a plurality of pierced patterns formation
Light-transparent pattern.
12. keyboard as claimed in claim 10, which is characterized in that the light transmission glue-line also includes a plurality of recessed portions, each recessed
Concave portion is between two adjacent press sections, and each depressed area is in the top in the button cap gap, each for recognizing
The boundary of the press section.
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| CN201710344703.XA CN107068463B (en) | 2017-05-16 | 2017-05-16 | Keyboard membrane and preparation method thereof, waterproff keyboard, button assembly and illuminated keyboard |
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| CN201710344703.XA CN107068463B (en) | 2017-05-16 | 2017-05-16 | Keyboard membrane and preparation method thereof, waterproff keyboard, button assembly and illuminated keyboard |
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| CN107068463B true CN107068463B (en) | 2018-11-09 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110021491B (en) * | 2018-01-10 | 2021-12-10 | 世洋科技股份有限公司 | Method for manufacturing keycaps for overlay keyboard devices |
| CN109036930A (en) * | 2018-07-04 | 2018-12-18 | 张福衡 | A kind of keyboard membrane and preparation method thereof that can print whole plane pattern |
| US11087937B2 (en) | 2018-09-19 | 2021-08-10 | Apple Inc. | Interkey support for keyboards |
| CN111370251A (en) * | 2018-12-25 | 2020-07-03 | 世洋科技股份有限公司 | Integration of keyboard device and thin film structure |
| CN111370248A (en) * | 2018-12-25 | 2020-07-03 | 世洋科技股份有限公司 | Keyboard device and film structure |
| CN111163600A (en) * | 2019-12-31 | 2020-05-15 | Oppo广东移动通信有限公司 | Housing, electronic device, and method for manufacturing housing |
| CN117519429A (en) * | 2024-01-05 | 2024-02-06 | 荣耀终端有限公司 | Keyboard film, keyboard and electronic equipment |
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| CN1608301A (en) * | 2001-12-28 | 2005-04-20 | 日本写真印刷株式会社 | Key sheet member and its production method |
| CN201041777Y (en) * | 2007-04-24 | 2008-03-26 | 精元电脑股份有限公司 | Coated keyboard device |
| CN202373500U (en) * | 2011-12-21 | 2012-08-08 | 群光电子(苏州)有限公司 | Keycap film |
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| US6576856B2 (en) * | 2000-03-24 | 2003-06-10 | Polymatech Co., Ltd. | Sheet shaped key top |
| JP2004095348A (en) * | 2002-08-30 | 2004-03-25 | Shin Etsu Polymer Co Ltd | Push-button switch structure |
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| CN1608301A (en) * | 2001-12-28 | 2005-04-20 | 日本写真印刷株式会社 | Key sheet member and its production method |
| CN201041777Y (en) * | 2007-04-24 | 2008-03-26 | 精元电脑股份有限公司 | Coated keyboard device |
| CN202373500U (en) * | 2011-12-21 | 2012-08-08 | 群光电子(苏州)有限公司 | Keycap film |
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