CN104332340B - Membrane switch layer of keyboard and luminous keyboard - Google Patents
Membrane switch layer of keyboard and luminous keyboard Download PDFInfo
- Publication number
- CN104332340B CN104332340B CN201410604279.4A CN201410604279A CN104332340B CN 104332340 B CN104332340 B CN 104332340B CN 201410604279 A CN201410604279 A CN 201410604279A CN 104332340 B CN104332340 B CN 104332340B
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- Prior art keywords
- contact
- opening
- thin film
- central part
- outer part
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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
- H01H2209/00—Layers
- H01H2209/004—Depressions or protrusions on switch sites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/002—Calculator, computer
Abstract
The invention relates to a membrane switch layer of a keyboard and a luminous keyboard. A light source is arranged below the membrane switch layer; the membrane switch layer comprises a first membrane circuit layer, a second membrane circuit layer and an isolating layer arranged between the first membrane circuit layer and the second membrane circuit layer; the first membrane circuit layer comprises a first contact with a first opening; the second membrane circuit layer comprises a second contact with a second opening; the positions of the first contact and the second opening respectively correspond to the positions of the first contact and the first opening; the isolating layer is provided with through holes which correspond to the first and second contacts and are greater than the first and second contacts; the first contact and the second contact compose a switch of a key of the keyboard; by virtue of at least a portion of the overlapped region of the first and second openings, lights emitted out from the light source pass through the membrane switch layer. Due to the structural design that the contacts of the membrane switch layer are provided with the openings, area of shading regions of the contacts is reduced, light emission intensity of a backlight module is increased, and the effect of improving luminance of words on the keys of the luminous keyboard is realized.
Description
Technical field
The present invention relates to a kind of thin film switch layer, particularly with regard to the thin film switch layer of illuminated keyboard.
Background technology
The use of computer is the most universal in recent years, and keyboard is then one of input equipment as computer,
In response to the demand of user, have been developed that illuminated keyboard is to provide user to grasp in the occasion of insufficient light
Make computer.
Illuminated keyboard generally comprises keypad portion, and is arranged on the back lighting device below keypad portion, by backlight
Device can allow the button of keypad portion have illumination effect.In known illuminated keyboard, keypad portion is typically
Being made up of keycap, scissor-like structure, flexible member and thin film switch, scissor-like structure is installed in keyboard
Between base plate and the keycap in portion, allow keycap can do vertical movement between non-pressing position and pressing position,
Thin film switch is installed on the base plate of keypad portion, and flexible member is then installed on thin film switch, when keycap is subject to
During pressing, flexible member can be deformed along with moving of keycap, and makes the upper strata circuit of thin film switch
Move down and contact lower circuit, and then open thin film switch.
In known illuminated keyboard, for the lifting of keyboard illumination effect, its main technology is to concentrate on
Improve the light extraction efficiency of back lighting device.
Summary of the invention
The present invention provides the structure of the contact of the thin film switch layer of keyboard to design, and this thin film switch layer can be applicable to
Illuminated keyboard, improves the illumination effect being positioned at the button character above the contact of thin film switch layer.
In order to achieve the above object, the present invention proposes the thin film switch layer of a kind of keyboard, arranges light source below,
This light source emits beam, and this thin film switch layer includes: the first film circuit layer, the second membrane circuit layer and
Sealing coat.The first film circuit layer comprises the first contact, and this first contact has the first opening, and this first is opened
Mouth allows this light to pass；Second membrane circuit layer comprises the second contact, and the position of this second contact corresponds to
This first contact, and this second contact has the second opening, wherein this second opening corresponds to this first opening,
This second opening allows this light to pass, and this first opening is least partially overlapped with this second opening；Sealing coat
Being arranged between this first film circuit layer and this second membrane circuit layer, this sealing coat has through hole, should
Through hole is corresponding to this first contact and this second contact, and the size of this through hole is more than this first contact
The external diameter of external diameter and this second contact, wherein this first contact and this second contact constitute one of this keyboard and press
The switch of key, this light passes this thin film switch layer via the overlapping region of this first opening with this second opening.
As optional technical scheme, this first contact comprise the first central part, the first connecting line and around
First outer part of this first central part, this first connecting line connects this first central part and this first outer part,
And this first opening is between this first central part and this first outer part.
As optional technical scheme, this first central part be shaped as solid circle, solid ellipse
Or solid polygon.
As optional technical scheme, this first outer part generally circular in shape ring-type, oval ring-type
Or it is polygonal ring-type.
As optional technical scheme, this first outer part has breach.
As optional technical scheme, this second contact comprise the second central part, the second connecting line and around
Second outer part of this second central part, this second connecting line connects this second central part and this second outer part,
And this second opening is between this second central part and this second outer part.
As optional technical scheme, this second central part be shaped as solid circle, solid ellipse
Or solid polygon.
As optional technical scheme, this second outer part generally circular in shape ring-type, oval ring-type
Or it is polygonal ring-type.
As optional technical scheme, this second outer part has breach.
As optional technical scheme, this of this first opening of this first contact and this second contact second is opened
Mouth is completely overlapped.
As optional technical scheme, the area of this first opening account for this first contact gross area 20%～
80%, the area of this second opening accounts for the 20%～80% of this second contact gross area.
As optional technical scheme, the size of this first contact is equivalently-sized with this second contact, and should
The size of the first opening is equivalently-sized with this second opening.
Additionally, the present invention also proposes a kind of illuminated keyboard, this illuminated keyboard include keycap, thin film switch layer and
Backlight module.Keycap has the first keycap transparent area；Thin film switch layer is arranged at below this keycap, this thin film
Switching layer includes the first film circuit layer, the second membrane circuit layer and sealing coat.The first film circuit layer comprises
First contact, this first contact has the first outer part, the first central part and the first connecting line, and this is outside first
The portion that encloses is for closing lines and around the first film transparent area, and this first central part is arranged at this first film printing opacity
Qu Zhong, this first central part only connects this first outer part through this first connecting line；Second membrane circuit layer
Comprising the second contact, this second contact has the second outer part, the second central part and the second connecting line, and this is years old
Two outer parts are for closing lines and around the second thin film transparent area, and this second central part is arranged at this second thin film
In transparent area, this second central part only connects this second outer part through this second connecting line；Sealing coat is arranged
Between this first film circuit layer and this second membrane circuit layer, this sealing coat has through hole, and this runs through
Hole is corresponding to this first contact and this second contact；Backlight module is arranged at below this thin film switch layer, wherein
This second outer part is overlapped in this first outer part up and down, and this second central part is overlapped in this first center up and down
Portion, this second thin film transparent area is overlapped in this first film transparent area, the light that this backlight module sends up and down
Penetrate this first film transparent area and this second thin film transparent area, arrive this first keycap transparent area.
As optional technical scheme, this second connecting line is overlapped in this first connecting line up and down.
Shape as optional technical scheme, this first outer part and this second outer part is selected from by closing
Circle, ellipse or the polygon that lines are constituted.
As optional technical scheme, the diameter of this first central part is more than the width of this first connecting line, and
The diameter of this second central part is more than the width of this second connecting line.
As optional technical scheme, this keycap also includes a plurality of keycaps beyond this first keycap transparent area
Transparent area, and this first film transparent area of light penetration of sending of this backlight module and this second thin film transparent area,
Arrive this plurality of keycap transparent areas.
Additionally, the present invention also proposes another kind of illuminated keyboard, this illuminated keyboard includes keycap, thin film switch layer
And backlight module.Keycap has transparent area；Thin film switch layer, is arranged at below this keycap, this thin film switch
Layer includes the first film circuit layer, the second membrane circuit layer and sealing coat.The first film circuit layer comprises first
Contact, this first contact has the first opening；Second membrane circuit layer comprises the second contact, this second contact
Position corresponding to this first contact, and this second contact has the second opening, and wherein this second opening is corresponding
In this first opening；Sealing coat is arranged between this first film circuit layer and this second membrane circuit layer, should
Sealing coat has through hole, and this through hole is corresponding to this first contact and this second contact, and this through hole
Size more than the external diameter of this first opening and the external diameter of this second opening, wherein this first contact and this second connect
Point constitutes the switch of a button of this illuminated keyboard；Backlight module is arranged at below this thin film switch layer, its
In the light penetration that sends of this backlight module cross this first opening of this first contact and this second contact this
Two openings, arrive this transparent area of this keycap.
As optional technical scheme, this first contact comprise the first central part, the first connecting line and around
First outer part of this first central part, this first connecting line connects this first central part and this first outer part,
And this first opening is between this first central part and this first outer part.
As optional technical scheme, this first central part be shaped as solid circle, solid ellipse
Or solid polygon, ring-type, the oval ring-type or polygon generally circular in shape of this first outer part
Ring-type.
As optional technical scheme, this second contact comprise the second central part, the second connecting line and around
Second outer part of this second central part, this second connecting line connects this second central part and this second outer part,
And this second opening is between this second central part and this second outer part.
As optional technical scheme, this second central part be shaped as solid circle, solid ellipse
Or solid polygon, ring-type, the oval ring-type or polygon generally circular in shape of this second outer part
Ring-type.
As optional technical scheme, this of this first opening of this first contact and this second contact second is opened
Salty folded.
As optional technical scheme, the area of this first opening account for this first contact gross area 20%～
80%, the area of this second opening accounts for the 20%～80% of this second contact gross area.
The contact of the thin film switch layer of illuminated keyboard of the present invention has the structure design of opening, reduces the screening of contact
The area in light region, goes out light intensity with increase backlight module, thereby reaches to promote on the button of illuminated keyboard
Effect of character luminosity.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as to the present invention's
Limit.
Accompanying drawing explanation
Fig. 1 shows the generalized section of the illuminated keyboard according to one embodiment of the invention；
Fig. 2 shows the generalized section of the thin film switch layer according to one embodiment of the invention；
Fig. 3 A display is shown according to the plane of the first film circuit layer of the thin film switch layer of one embodiment of the invention
It is intended to；
Fig. 3 B display is shown according to the plane of the second membrane circuit layer of the thin film switch layer of one embodiment of the invention
It is intended to；
Fig. 4 shows put down the most overlapping with the contact of thin film switch layer of the keycap according to one embodiment of the invention
Face schematic diagram；And
Fig. 5 A to Fig. 5 L display connects according to first contact and second of the thin film switch layer of one embodiment of the invention
The variously-shaped floor map of point.
Detailed description of the invention
Some embodiments of the thin film switch layer of the present invention described below, and comprise the thin film switch of the present invention
Some embodiments of illuminated keyboard of layer, it is understood, however, that the concept that provides of the present invention can be
Various backgrounds widely are implemented, is merely to illustrate some realities of the present invention at this specific embodiment discussed
Execute structure and the use of example, be not intended to limit the scope of the present invention.
Refering to Fig. 1, it is the generalized section of the illuminated keyboard 100 according to one embodiment of the invention,
Only drawing a button of illuminated keyboard 100 in Fig. 1 as representative, actually illuminated keyboard 100 comprises multiple
Several buttons, illuminated keyboard 100 can allow user that computer carries out in the occasion of insufficient light input behaviour
Make.As it is shown in figure 1, illuminated keyboard 100 comprises keycap 102, keycap 102 can have one or more
Transparent area 103, transparent area 103 arrange corresponding to the position of the character pattern on keycap 102, in response to respectively
Planting the character design of the keyboard of different language input, the quantity of transparent area 103 and position can change, such as
For the keyboard of input in Chinese, the transparent area 103 of keycap 102 can be arranged on four corners of keycap 102；
It addition, for the keyboard of English input, the transparent area 103 of keycap 102 can be arranged in keycap 102
At centre.
Illuminated keyboard 100 also comprises thin film switch layer 100S, and thin film switch layer 100S is arranged on keycap 102
Lower section, thin film switch layer 100S comprises the upper and lower contact of many groups multiple buttons 101 corresponding to illuminated keyboard 100,
Each group of upper and lower contact is as the switch of a button 101 of illuminated keyboard 100.Additionally, illuminated keyboard
100 also to comprise scissor-like structure 104 and flexible member 106, scissor-like structure 104 and flexible member 106 equal
Being arranged between keycap 102 and thin film switch layer 100S, slides with rotatable in one end of scissor-like structure 104
Mode be linked to the bottom side of keycap 102, the other end of scissor-like structure 104 is then with the rotatable side slided
Formula is linked on the base plate (not drawing) below thin film switch layer 100S, and scissor-like structure 104 can allow keycap
102 do vertically moving relative to thin film switch layer 100S, allow keycap 102 in non-pressing position and pressing position
Move between putting.
Flexible member 106 is arranged in thin film switch layer 100S, and flexible member 106 has certain height,
When user is pressed against on keycap 102, flexible member 106 can produce change along with the movement of keycap 102
Shape so that the upper contact of thin film switch layer 100S moves towards the direction of lower contact, connects under upper contact contacts
During point, open thin film switch layer 100S.When user unclamps keycap 102, scissor-like structure 104 can
Position during to allow keycap 102 be returned to originally not press, now the upper contact of thin film switch layer 100S with under
Contact will not contact with each other, and closes thin film switch layer 100S.
Refering to Fig. 1, illuminated keyboard 100 also comprises backlight module 100B, backlight module 100B and is arranged on thin film
Below switching layer 100S, backlight module 100B emits beam towards the direction of keycap 102, its light sent
The transparent area 103 of the transparent keycap of line 102, allows the button 101 of illuminated keyboard 100 have illumination effect,
Reach the purpose of illuminated keyboard 100.Embodiments of the invention provide thin film switch layer 100S upper contact with under
The structure design of contact, it can improve the illumination effect of the character on keycap, thin film switch layer 100S upper
After the detailed construction of contact and lower contact will illustrate such as.
Fig. 2 shows the generalized section of thin film switch layer 100S according to one embodiment of the invention, and thin film is opened
Close layer 100S and comprise the upper and lower contact multiple buttons 101 corresponding to illuminated keyboard 100 of organizing, in fig. 2 more
Only draw out one group of upper and lower contact to constitute as representative, each group of upper and lower contact of thin film switch layer 100S
The switch of one button 101 of illuminated keyboard 100.As in figure 2 it is shown, thin film switch layer 100S comprises first
Membrane circuit layer 110, the first film circuit layer 110 has light transmission, and its host film can be by perspex material
Matter, such as polyester (polyester；PE) make.Additionally, the first film circuit layer 110 also comprises the first contact
111 (or being referred to as lower contact), are formed thereon, and according to embodiments of the invention, the first contact 111 has first
Opening 112 wherein, forms the structure design of hollow out, owing to the first film circuit layer 110 has light transmission,
Therefore the light that the first opening 112 can allow backlight module 110B to send passes.
Thin film switch layer 100S also comprises the second membrane circuit layer 120, and the second membrane circuit layer 120 also has
Light transmission, its host film is also by perspex material, such as polyester (polyester；PE) make.Additionally,
It is formed thereon that second membrane circuit layer 120 comprises the second contact 121 (or referred to as upper contact), according to the present invention
Embodiment, the second contact 121 also has the second opening 122 wherein, formed hollow out structure design,
And owing to the second membrane circuit layer 120 has light transmission, therefore the second opening 122 can allow backlight module 110B
The light sent passes.The position of the second contact 121 is corresponding to the first contact 111, and the second opening 122
Position also correspond to the first opening 112, the second contact 121 is arranged oppositely with the first contact 111, and constitutes
The switch of one button 101 of illuminated keyboard 100.In the present embodiment, due to the first opening 112 and second
Opening 122 all allows light to pass, and the first opening 112 and the second opening 122 least partially overlapped even
It is completely superposed, when after light entrance thin film switch layer 110S that backlight module 110B sends, has light certainly
The overlapping region of the first opening 112 and the second opening 122 passes thin film switch layer 110S, and directive keycap 102.
Thin film switch layer 100S also comprises sealing coat 130 and is arranged at the first film circuit layer 110 and the second thin film
Between circuit layer 120, sealing coat 130 has through hole 132 corresponding to the first contact 111 and the second contact
The position of 121, when the button of user pressing keyboard, the first contact 111 can passing through via sealing coat 130
Perforation 132 contact the second contact 121, to open thin film switch layer 100S.
Fig. 3 A display is according to the first film circuit layer 110 of thin film switch layer 100S of one embodiment of the invention
Floor map, the most only draw out first contact 111 as representative, actually first is thin
Film circuit layer 110 has multiple first contact 111 and is respectively corresponding to multiple buttons 101 of illuminated keyboard 100.
As shown in Figure 3A, the first contact 111 comprises the first central part 114, around the first of the first central part 114
Outer part 113, and connect the first central part 114 and the first connecting line 115 of the first outer part 113, the
The diameter of one central part 114 is more than the width of the first connecting line 115.In certain embodiments, the first center
The diameter in portion 114 is about 0.7 ± 0.05mm, and the width of the first connecting line 115 is about 0.35 ± 0.05mm.
First opening 112 between the first central part 114 and the first outer part 113, the area of the first opening 112
Account for the 20%-80% of first contact 111 gross area.In certain embodiments, outside the first outer part 113
Footpath is about 1.95mm to 2.05mm, the external diametrical extent of the i.e. first outer part 113 be [1.95mm,
2.05mm], the external diameter of the first opening 112 is about 1.75mm to 1.85mm, the i.e. first opening 112
External diametrical extent is [1.75mm, 1.85mm].
Additionally, the first film circuit layer 110 also comprises the first external connection line 116 is connected to the first outer part
113, the first connecting line 115 can use unspecified angle to be arranged on the first central part 114 and the first outer part 113
Between, that is the angle between the first connecting line 115 and the first external connection line 116 can be 0 to 360
Unspecified angle between degree.
Fig. 3 B display is according to the second membrane circuit layer 120 of thin film switch layer 100S of one embodiment of the invention
Floor map, the most only draw out second contact 121 as representative, actual second
Membrane circuit layer 120 has multiple second contact 121 and is respectively corresponding to multiple buttons 101 of illuminated keyboard 100.
As shown in Figure 3 B, the second contact 121 comprises the second central part 124, around the second of the second central part 124
Outer part 123, and connect the second central part 124 and the second connecting line 125 of the second outer part 123, the
The diameter of two central parts 124 is more than the width of the second connecting line 125, and the second opening 122 is positioned at the second center
Between portion 124 and the second outer part 123, the area of the second opening 122 accounts for second contact 121 gross area
20%-80%.
Additionally, the second membrane circuit layer 120 also comprises the second external connection line 126 is connected to the second outer part
123, the second connecting line 125 can use unspecified angle to be arranged on the second central part 124 and the second outer part 123
Between, that is the angle between the second connecting line 125 and the second external connection line 126 can be 0 to 360
Unspecified angle between degree.
In some embodiments of the invention, the size of the through hole 132 of sealing coat 130 is at least above first
The external diameter of opening 112 and the external diameter of the second opening 122.In some other embodiments of the present invention, such as Fig. 2
Shown in, the size of the through hole 132 of sealing coat 130 can be more than the external diameter of the first contact 111 and the second contact
The external diameter of 121, the such as diameter of through hole 132 are about 2.6mm to 3.7mm.
As shown in 3A and 3B schemes, in some embodiments of the invention, the first contact 111 and second connects
Point 121 can be of similar shape.In some other embodiments of the present invention, the first contact 111 He
Second contact 121 can also have different shapes.Additionally, in some embodiments of the invention, first
The size of contact 111 is equivalently-sized with each solid section of the second contact 121, and the first opening 112
Size also the most identical with the size of the second opening 122.In some other embodiments of the present invention, first
The size of contact 111 is equivalently-sized with each solid section of the second contact 121, but the first opening 112
Size different from the size of the second opening 122.
Fig. 4 shows that the keycap 102 according to one embodiment of the invention is upper and lower with the contact of thin film switch layer 100S
Overlapping floor map, the most only draws out the upper of second contact 121 and a keycap 102
Lower overlapping relation illustrates as representative.As shown in Figure 4, in certain embodiments, keycap 102 can have
There are the first transparent area 103-1, the second transparent area 103-2, the 3rd transparent area 103-3 and the 4th transparent area 103-4,
These transparent areas are respectively corresponding to the position of the character pattern on keycap 102, and these four transparent areas can set
Put four corners at keycap 102.In some other embodiments, keycap 102 can also only have one
Transparent area is arranged on the centre of keycap 102, and this single transparent area may be provided at the second contact 121
Surface.
First contact 111 of thin film switch layer 100S and the second contact 121 are typically the most silver-colored by metal paste
The conductive materials such as slurry or graphite are made, and the light transmittance of these conductive materials is the best, but by the present invention's
The contact of embodiment has the structure design of opening, can reduce the shading-area of the contact of thin film switch layer 100S,
The light that backlight module 100B is sent can be perforated through first opening 112 and of the first contact 111
Second opening 122 of two point 121, arrives the transparent area 103 (refering to Fig. 1) of keycap 102, increases backlight
Module 100B goes out light intensity, and then improves the character illumination effect on illuminated keyboard 100 button.Meanwhile,
The open design of the contact of thin film switch layer 100S can also reduce the conductive material consumption made needed for contact,
Thereby can reduce the manufacturing cost of thin film switch layer 100S.
Referring again to Fig. 3 A, in some embodiments of the invention, the first outer part 113 of the first contact 111
It is arranged at the first film transparent area 118 around the first film transparent area 118, the first central part 114 for closing lines
In, and the first central part 114 connects the first outer part 113 through the first connecting line 115.Refering to Fig. 3 B,
In some embodiments of the invention, the second outer part 123 of the second contact 121 also be close lines around
Second thin film transparent area 128, the second central part 124 is arranged in the second thin film transparent area 128, and second
Central part 124 connects the second outer part 123 through the second connecting line 125.
In certain embodiments, the second outer part about 123 is overlapped in the first outer part 113, the second central part
About 124 are overlapped in the first central part 114, and the second opening about 122 is overlapped in the first opening 112, and second
Thin film transparent area about 128 is overlapped in the first film transparent area 118, and the second connecting line about 125 is overlapping
In the first connecting line 115, the light transparent the first film transparent area 118 and that backlight module 100B sends
Two thin film transparent areas 128, arrive transparent area 103-1～103-4 of the keycap 102 shown in Fig. 4.
Fig. 5 A to Fig. 5 L display is according to the first contact of thin film switch layer 100S of some embodiments of the present invention
111 and the second variously-shaped floor map of contact 121.In the present embodiment, the first film switching layer 110
It is completely superposed with the second thin film switch layer 120, i.e. the first contact 111 overlaps with the second contact 121, the
One opening 112 overlaps with the second opening 122, and the first outer part 113 overlaps with the second outer part 123, the
One central part 114 overlaps with the second central part 124, and the first connecting line 115 overlaps with the second connecting line 125,
First external connection line 116 overlaps with the second external connection line 126.Therefore Fig. 5 A to Fig. 5 L only depicts
The label of related elements in the first film switching layer 110, as shown in Fig. 5 A to Fig. 5 D, the first contact 111
The first outer part 113 and the second outer part 123 of the second contact 121 can be to be constituted by closing lines
Circle, that is the shape of the first outer part 113 and the second outer part 123 can be circular ring-type.Separately
Outward, the shape of the first central part 114 and the second central part 124 can be solid ellipse, square, three
Dihedral, circle or other polygons.Additionally, between the first connecting line 115 and the first external connection line 116
Angle, and the angle between the second connecting line 125 and the second external connection line 126 can be 0 to 360
Unspecified angle in degree.
As shown in Fig. 5 E and Fig. 5 F, the first outer part 113 of the first contact 111 and the second contact 121
Second outer part 123 can also have breach 127, and breach 127 can be arranged on the first outer part 113
With at the first external connection line 116 interconnection beyond any position on, and the second outer part 123 with
In any position beyond at second external connection line 126 interconnection.
As shown in Fig. 5 A to Fig. 5 F, in certain embodiments, the first connecting line 115 is only attached to outside first
Enclosing on a position in portion 113, the second connecting line 125 is also only attached to a position of the second outer part 123
Put.As shown in Fig. 5 G and Fig. 5 H, in some other embodiments, the first connecting line 115 is connectable to
On two positions of the first outer part 113, the second connecting line 125 is connectable to the two of the second outer part 123
On individual position, the first connecting line 115 is the straight line by the first central part 114, and the second connecting line 125 is
Straight line by the second central part 124.
As shown in Fig. 5 I to Fig. 5 L, in certain embodiments, the first outer part 113 of the first contact 111
With the second outer part 123 of the second contact 121 can also is that by close lines constituted square, oval,
Triangle, hexagon or other polygons, that is the first outer part 113 and shape of the second outer part 123
Can be square, oval, triangle, hexagon or other are polygonal ring-type.
First contact of the thin film switch layer of the present invention and the structure design of the second contact are not limited to description
The shape of institute's accompanying drawings, the present invention is to have the structure design of opening by the contact of thin film switch layer, subtracts
The area of the lightproof area of few contact, goes out light intensity with increase backlight module, thereby reaches to promote light key
Effect of character luminosity on the button of dish.
Certainly, the present invention also can have other various embodiments, without departing substantially from present invention spirit and the feelings of essence thereof
Under condition, those of ordinary skill in the art can make various corresponding change and deformation according to the present invention, but this
A little corresponding changes and deformation all should belong to the protection domain of appended claims of the invention.
Claims (22)
1. a thin film switch layer for keyboard, arranges light source below, and this light source emits beam, and its feature exists
Include in this thin film switch layer:
The first film circuit layer, comprises the first contact, this first contact have the first opening, the first central part,
First connecting line and the first outer part around this first central part, this first opening allows this light to pass,
This first connecting line connects this first central part and this first outer part, and this first opening be positioned at this first
Between central part and this first outer part；
Second membrane circuit layer, comprises the second contact, and the position of this second contact corresponds to this first contact,
And this second contact has the second opening, wherein this second opening corresponds to this first opening, this second opening
Allowing this light to pass, this first opening is least partially overlapped with this second opening；And
Sealing coat, is arranged between this first film circuit layer and this second membrane circuit layer, and this sealing coat has
Having through hole, this through hole is corresponding to this first contact and this second contact, and the size of this through hole is more than
The external diameter of this first contact and the external diameter more than this second contact, wherein this first contact and this second contact structure
Becoming the switch of a button of this keyboard, this light is via the overlapping region of this first opening Yu this second opening
Through this thin film switch layer.
Thin film switch layer the most according to claim 1, it is characterised in that: the shape of this first central part
For solid circle, solid ellipse or solid polygon.
Thin film switch layer the most according to claim 1, it is characterised in that: the shape of this first outer part
For circular ring-type, oval ring-type or polygonal ring-type.
Thin film switch layer the most according to claim 1, it is characterised in that: this first outer part has scarce
Mouthful.
Thin film switch layer the most according to claim 1, it is characterised in that: this second contact comprises second
Central part, the second connecting line and the second outer part around this second central part, this second connecting line connects
This second central part and this second outer part, and this second opening be positioned at this second central part with this outside second
Enclose between portion.
Thin film switch layer the most according to claim 5, it is characterised in that: the shape of this second central part
For solid circle, solid ellipse or solid polygon.
Thin film switch layer the most according to claim 5, it is characterised in that: the shape of this second outer part
For circular ring-type, oval ring-type or polygonal ring-type.
Thin film switch layer the most according to claim 5, it is characterised in that: this second outer part has scarce
Mouthful.
Thin film switch layer the most according to claim 1, it is characterised in that: this first contact this first
Opening is completely overlapped with this second opening of this second contact.
Thin film switch layer the most according to claim 1, it is characterised in that: the area of this first opening accounts for
The 20%～80% of this first contact gross area, the area of this second opening accounts for this second contact gross area
20%～80%.
11. thin film switch layer according to claim 1, it is characterised in that: the size of this first contact with
This second contact equivalently-sized, and the size of this first opening and this second opening is equivalently-sized.
12. 1 kinds of illuminated keyboards, it is characterised in that including:
Keycap, has the first keycap transparent area；
Thin film switch layer, is arranged at below this keycap, and this thin film switch layer includes:
The first film circuit layer, comprises the first contact, this first contact have the first outer part, first
Central part and the first connecting line, this first outer part is for closing lines around the first film transparent area, and this is the years old
One central part is arranged in this first film transparent area, and this first central part is only connected by this first connecting line
This first outer part；
Second membrane circuit layer, comprises the second contact, this second contact have the second outer part, second
Central part and the second connecting line, this second outer part is for closing lines around the second thin film transparent area, and this is the years old
Two central parts are arranged in this second thin film transparent area, and this second central part is only connected by this second connecting line
This second outer part；And
Sealing coat, is arranged between this first film circuit layer and this second membrane circuit layer, this isolation
Layer has through hole, and this through hole is corresponding to this first contact and this second contact；And
Backlight module, is arranged at below this thin film switch layer,
Wherein this second outer part is overlapped in this first outer part up and down, and this second central part is overlapped in this up and down
First central part, this second thin film transparent area is overlapped in this first film transparent area up and down, and this backlight module is sent out
This first film transparent area of the light penetration gone out and this second thin film transparent area, arrive this first keycap transparent area.
13. illuminated keyboards according to claim 12, it is characterised in that: this second connecting line weighs up and down
It is laminated on this first connecting line.
14. illuminated keyboards according to claim 12, it is characterised in that: this first outer part and this
The shape of two outer parts is selected from by closing circle, ellipse or the polygon that lines are constituted.
15. illuminated keyboards according to claim 12, it is characterised in that: the diameter of this first central part
More than the width of this first connecting line, and the diameter of this second central part is more than the width of this second connecting line.
16. illuminated keyboards according to claim 12, it is characterised in that: this keycap also include this first
A plurality of keycap transparent areas beyond keycap transparent area, and the light penetration that sends of this backlight module this is first thin
Film transparent area and this second thin film transparent area, arrive this plurality of keycap transparent areas.
17. 1 kinds of illuminated keyboards, it is characterised in that including:
Keycap, has transparent area；
Thin film switch layer, is arranged at below this keycap, and this thin film switch layer includes:
The first film circuit layer, comprises the first contact, and this first contact has the first opening, in first
Heart portion, the first connecting line and the first outer part around this first central part, this first connecting line connects should
First central part and this first outer part, and this first opening to be positioned at this first central part first peripheral with this
Between portion；
Second membrane circuit layer, comprises the second contact, and the position of this second contact first connects corresponding to this
Point, and this second contact has the second opening, wherein this second opening corresponds to this first opening；And
Sealing coat, is arranged between this first film circuit layer and this second membrane circuit layer, this isolation
Layer has through hole, and this through hole is corresponding to this first contact and this second contact, and the size of this through hole
More than the external diameter of this first opening with more than the external diameter of this second opening, wherein this first contact and this second connect
Point constitutes the switch of a button of this illuminated keyboard；And
Backlight module, is arranged at below this thin film switch layer, the light penetration mistake that wherein this backlight module sends
This first opening of this first contact and this second opening of this second contact, arrive this transparent area of this keycap.
18. illuminated keyboards according to claim 17, it is characterised in that: the shape of this first central part
For solid circle, solid ellipse or solid polygon, this first outer part generally circular in shape
Ring-type, oval is ring-type or polygonal ring-type.
19. illuminated keyboards according to claim 17, it is characterised in that: this second contact comprises second
Central part, around the second outer part of this second central part and the second connecting line, this second connecting line connects should
Second central part and this second outer part, and this second opening to be positioned at this second central part second peripheral with this
Between portion.
20. illuminated keyboards according to claim 19, it is characterised in that: the shape of this second central part
For solid circle, solid ellipse or solid polygon, this second outer part generally circular in shape
Ring-type, oval is ring-type or polygonal ring-type.
21. illuminated keyboards according to claim 17, it is characterised in that: this first contact this first
Opening and this second superposition of end gap of this second contact.
22. illuminated keyboards according to claim 17, it is characterised in that: the area of this first opening accounts for
The 20%～80% of this first contact gross area, the area of this second opening accounts for this second contact gross area
20%～80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410604279.4A CN104332340B (en) | 2014-10-31 | 2014-10-31 | Membrane switch layer of keyboard and luminous keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410604279.4A CN104332340B (en) | 2014-10-31 | 2014-10-31 | Membrane switch layer of keyboard and luminous keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104332340A CN104332340A (en) | 2015-02-04 |
| CN104332340B true CN104332340B (en) | 2017-01-11 |
Family
ID=52407050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410604279.4A Active CN104332340B (en) | 2014-10-31 | 2014-10-31 | Membrane switch layer of keyboard and luminous keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104332340B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766747A (en) * | 2015-03-24 | 2015-07-08 | 江苏传艺科技股份有限公司 | Annular keyboard contactor |
| CN105529203B (en) * | 2016-01-25 | 2017-12-01 | 淮安达方电子有限公司 | Button thin film switch layer, button and keyboard |
| CN109872906B (en) * | 2017-12-01 | 2020-11-06 | 致伸科技股份有限公司 | Luminous keyboard |
| CN110167288B (en) * | 2019-05-07 | 2020-07-24 | 昆山高健电子工业有限公司 | Low-resistance flexible circuit board circuit manufacturing process |
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|---|---|---|---|---|
| CN201571037U (en) * | 2009-12-24 | 2010-09-01 | 深圳市汇顶科技有限公司 | Capacitive touch control structure, touch control module and touch control terminal |
| CN102800517A (en) * | 2011-05-24 | 2012-11-28 | 致伸科技股份有限公司 | Luminous keyboard |
| CN103177894A (en) * | 2011-12-26 | 2013-06-26 | 致伸科技股份有限公司 | Light-emitting keyboard |
| CN203456352U (en) * | 2013-09-18 | 2014-02-26 | 新巨企业股份有限公司 | Luminous keyboard with thin button module |
| CN203573879U (en) * | 2013-10-08 | 2014-04-30 | 新巨企业股份有限公司 | Keyboard with light-emitting structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19641786A1 (en) * | 1996-10-10 | 1998-04-16 | Bosch Gmbh Robert | Switch mat with backlit switching elements |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201571037U (en) * | 2009-12-24 | 2010-09-01 | 深圳市汇顶科技有限公司 | Capacitive touch control structure, touch control module and touch control terminal |
| CN102800517A (en) * | 2011-05-24 | 2012-11-28 | 致伸科技股份有限公司 | Luminous keyboard |
| CN103177894A (en) * | 2011-12-26 | 2013-06-26 | 致伸科技股份有限公司 | Light-emitting keyboard |
| CN203456352U (en) * | 2013-09-18 | 2014-02-26 | 新巨企业股份有限公司 | Luminous keyboard with thin button module |
| CN203573879U (en) * | 2013-10-08 | 2014-04-30 | 新巨企业股份有限公司 | Keyboard with light-emitting structure |
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| Publication number | Publication date |
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| CN104332340A (en) | 2015-02-04 |
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