CN109036929A - Illuminated keyboard and its light source lamp plate - Google Patents
Illuminated keyboard and its light source lamp plate Download PDFInfo
- Publication number
- CN109036929A CN109036929A CN201811071284.8A CN201811071284A CN109036929A CN 109036929 A CN109036929 A CN 109036929A CN 201811071284 A CN201811071284 A CN 201811071284A CN 109036929 A CN109036929 A CN 109036929A
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- China
- Prior art keywords
- light source
- source lamp
- lamp plate
- circuit board
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/037—Light emitting elements using organic materials, e.g. organic LED
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- Input From Keyboards Or The Like (AREA)
- Push-Button Switches (AREA)
Abstract
The present invention discloses a kind of illuminated keyboard and its light source lamp plate.Illuminated keyboard includes bottom plate, multiple keys and light source lamp plate.Light source lamp plate is set between bottom plate and key or is set under bottom plate and include multiple multi-color LEDs, first and second conductive paste line layer, conductive column, metal layer and the first protective layer of flexible circuit board with first through hole, corresponding multiple keys.First and second conductive paste line layer is respectively formed in the upper and lower surface of flexible circuit board.Conductive column is formed in first through hole to be electrically connected first and second conductive paste line layer.Metal layer plating is attached on first and second conductive paste line layer.First protective layer is coated on metal layer and has multiple second through-holes, and multi-color LED is set to plating by the second through-hole and is attached on the metal layer of the first conductive paste line layer to be electrically connected the first conductive paste line layer.The present invention can solve the problems, such as that the plate thickness of LED circuitboard is not easy to reduce and be unfavorable for illuminated keyboard slimming design.
Description
Technical field
The present invention relates to a kind of illuminated keyboard and its light source lamp plates, especially a kind of to have conductive paste line layer difference shape
At the illuminated keyboard and its light source lamp plate of the light source lamp plate of the upper and lower surface in flexible circuit board.
Background technique
In general, in order to make keyboard have the function of key light emitting, it is common at present to be designed as directly on keyboard board
The LED circuitboard with the multiple light emitting diodes for respectively corresponding each key is configured, whereby, light emitting diode can
It projects light and generates key light emitting effect to corresponding keycap, in addition, LED circuitboard can also be used in this design
On integrated circuit control chip the light emitting control of each light emitting diode is carried out with telecommunication transmission mode, and then have keyboard can
There is the key light emitting visual effect of more evolutions.
However, the circuit substrate as used in the above-mentioned LED circuitboard with integrated circuit control chip exists
The higher hardening resin material of material cost would generally be used under the considerations of process rate, therefore, above-mentioned design can not only generate
The plate thickness of LED circuitboard is not easy the problem of reducing and being unfavorable for keyboard slimming design, while also resulting in hair
The manufacturing cost of optical diode circuit board is high.
Summary of the invention
Therefore, have the purpose of the present invention is to provide one kind and conductive paste line layer is respectively formed at flexible circuit board
Upper and lower surface light source lamp plate and using its illuminated keyboard, to solve the above problems.
In order to achieve the above object, the present invention proposes a kind of light source lamp plate, more on light to keyboard it is suitable for providing
A key, which includes: flexible circuit board, multiple multi-color LEDs, the first conductive paste line layer, second are led
Plasma-based line layer, conductive column, metal layer and the first protective layer.Flexible circuit board has an at least first through hole；It is multiple more
Color light emitting diode respectively corresponds multiple key, multiple multi-color LED be used to generate light be incident to it is multiple by
Key；First conductive paste line layer has a plurality of first line, which is formed in the upper table of the flexible circuit board
Face；Second conductive paste line layer has a plurality of second route, which is formed in the following table of the flexible circuit board
Face；Conductive column is formed in an at least first through hole to be electrically connected at least one of a plurality of first line and be somebody's turn to do
At least one of a plurality of second route；Metal layer plating invests the first conductive paste line layer and the second conductive paste route
On layer；First protective layer is coated on the metal layer and first protective layer corresponds to multiple key and corresponding plating be attached to this
The position of metal layer on one conductive paste line layer is formed with multiple second through-holes, and each multi-color LED passes through corresponding
The second through-hole be set to plating and be attached on the metal layer of the first conductive paste line layer to be electrically connected to a plurality of first line.
As optional technical solution, which extends outward to form an at least flat cable plate portion, the light
Source lamp plate also includes: connection line layer and control circuit board.Connection line layer is formed in an at least flat cable plate portion
And the connection line layer is electrically connected to multiple multi-color LED via the metal layer；It is flat that control circuit board is connected to this
To be electrically connected to the connection line layer, which is used to transmit electrically via the connection line layer for the one end in cable plate portion
Signal carries out the light emitting control of multiple multi-color LED to multiple multi-color LED.
As optional technical solution, the control circuit board is folded to be affixed under the light source lamp plate.
As optional technical solution, the flexible circuit board is by polyethylene terephthalate or polyimides material institute
Composition.
As optional technical solution, which is made of ultraviolet light thermosetting insulation glue material matter.
As optional technical solution, which also includes: the second protective layer.Second protective layer be coated on this first
On protective layer and each multi-color LED.
As optional technical solution, first protective layer and second protective layer are along an at least first through hole shape
At there is hollow slot.
As optional technical solution, multiple key forms key area, and the area of the flexible circuit board is equal to should
The area of key area.
As optional technical solution, the first conductive paste line layer and the second conductive paste line layer are silver paste route
Layer, the metal layer are copper plate, which is made of silver paste material or copper with silver paste stacking material.
As optional technical solution, which also includes control circuit board, and the control circuit board is folded to be affixed on this and scratch
Property circuit substrate under to be electrically connected to multiple multi-color LED via the metal layer, the control circuit board be used to transmit electricity
Property signal carries out the light emitting control of multiple multi-color LED to multiple multi-color LED.
In addition, the present invention also proposes a kind of illuminated keyboard, include: bottom plate, multiple keys and said light source lamp plate.It is multiple
Key is set on the bottom plate, and each key includes: keycap and elevating mechanism, and elevating mechanism is set to the bottom plate and the key
Between cap, which is moved up and down via the elevating mechanism relative to the bottom plate；It is more with this that the light source lamp plate is set to the bottom plate
Between a key or the light source lamp plate is set under the bottom plate.
In conclusion illuminated keyboard and its light source lamp plate of the invention pass through the route that only will be used to electrically be transmitted
(i.e. the first conductive paste line layer, the second conductive paste line layer and metal layer) is respectively formed at the upper following table of flexible circuit board
The design in face, thus the present invention can using flexible circuit board pliability (flexible materials actually manufacture on can reach
Minimum plate thickness be less than the attainable minimum plate thickness of hardboard material institute in actually manufacture) and flexible circuit board
Material cost be lower than circuit hardboard material cost, use efficiently solve be previously mentioned in prior art light emitting diode electricity
The plate thickness of road plate is not easy the problem of reducing and being unfavorable for illuminated keyboard slimming design, and can further reduce luminous
The manufacturing cost of keyboard.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the illuminated keyboard proposed according to one embodiment of the invention.
Diagrammatic cross-section of the illuminated keyboard along hatching A-A that Fig. 2 is Fig. 1.
Fig. 3 is the enlarged plan view of the light source lamp plate of Fig. 2.
Cut-away section schematic diagram of the light source lamp plate along hatching B-B that Fig. 4 is Fig. 3.
Fig. 5 for the light source lamp plate proposed according to another embodiment of the present invention partial cutaway schematic view.
Fig. 6 for the forming process of the light source lamp plate proposed according to another embodiment of the present invention partial cutaway schematic view.
Fig. 7 is the partial cutaway schematic view of the illuminated keyboard proposed according to another embodiment of the present invention.
Fig. 8 is the partial cutaway schematic view of the illuminated keyboard proposed according to another embodiment of the present invention.
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema
Example.The direction term that the present invention is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", " side " etc. are only references
The direction of annexed drawings.Therefore, the direction term used is to illustrate and understand the present invention, rather than to limit the present invention.
In the examples below, in various figures, same section is to be given the same reference numerals.
Fig. 1 and Fig. 2 is please referred to, Fig. 1 shows for the solid of the illuminated keyboard 10 proposed according to one embodiment of the invention
It is intended to, diagrammatic cross-section of the illuminated keyboard 10 along hatching A-A that Fig. 2 is Fig. 1, as shown in Figure 1 and Figure 2, illuminated keyboard 10
Include bottom plate 12, multiple keys 14 and light source lamp plate 16.Multiple keys 14 be set on bottom plate 12 for user pressing and
User's function to be inputted is executed, each key 14 includes keycap 18 and elevating mechanism 20, and elevating mechanism 20 is set to bottom
Between plate 12 and keycap 18, keycap 18 can be moved up and down via elevating mechanism 20 relative to bottom plate 12.In this embodiment, it rises
Descending mechanism 20 preferably (but can be not limited, can be changed common using other using scissor mechanism design as shown in Figure 2
Keycap go up and down design, such as magnetic design) and be movably connected in keycap 18 and bottom plate 12, whereby, keycap 18
It is moved up and down by the scissor connection design of elevating mechanism 20 relative to bottom plate 12.
As for Fig. 2, Fig. 3 and Fig. 4 in terms of the luminescent designs of light source lamp plate 16, is please referred to, Fig. 3 is the illuminator of Fig. 2
The enlarged plan view of plate 16, Fig. 4 be Fig. 3 light source lamp plate 16 along hatching B-B cut-away section schematic diagram, by Fig. 2, Fig. 3 with
And Fig. 4 is it is found that light source lamp plate 16 is set on bottom plate 12, light source lamp plate 16 includes flexible circuit board 22, multiple multicolor luminous
Diode 24, conductive column 25, the first conductive paste line layer 26, the second conductive paste line layer 28, metal layer 30 and the first protection
Layer 32.Flexible circuit board 22 can preferably be made of (such as polyethylene terephthalate flexible circuit board material
(polyethylene terephthalate, PET) or polyimides (polyimide, PI), but be not limited) and flexible electrical
Base board 22 have an at least first through hole 23 (the actual circuit design requirement of its quantity and configuration end view light source lamp plate 16 and
It is fixed, be not limited with Fig. 3).Multiple multi-color LEDs 24 can be preferably rgb led (RGB LED) and difference
Corresponding multiple keys 14, whereby, multi-color LED 24, which can be used to emit light, is incident to corresponding keycap 18, to reach
To key light emitting effect.
In practical operation, the first conductive paste line layer 26, the second conductive paste line layer 28 may include by silver, copper, gold,
One of aluminium, graphite, carbon nanotubes, graphene or combinations thereof are formed by the conductive pulp layer of conductive particle.Metal layer 30
It can be Cu layers of single layer, Cu layers of Ag/Au/Sn/Ni layers/single layer of Ag/Au layers/multilayer of multilayer, Cu layers of Sn layers/single layer of single layer, single layer
Cu layers of Ag layers/single layer, Cu layers of Au layers/single layer of single layer, Cu layers of Ni layers/single layer of Ag layers/single layer of single layer, Ni layers of Au layers/single layer of single layer/
Cu layers of single layer, Cu layers of Ni layers/single layer of Ag layers/single layer of Au layers/single layer of Sn layers/single layer of single layer etc..
First conductive paste line layer 26 can have a plurality of 27 (reality of its quantity and configuration end view light source lamp plate 16 of first line
Depending on the circuit design demand of border, it is not limited with Fig. 3), a plurality of first line 27 can be formed preferably using conductive paste printing process
In the upper surface S1 of flexible circuit board 22, similarly, the second conductive paste line layer 28, which can have, is formed in flexible circuit board
A plurality of second route 29 of 22 lower surface S2, at least one of above-mentioned a plurality of first line 27 can be via being formed in first
Conductive column 25 in through-hole 23 is electrically connected at least one (its route perforation connection configuration end view of a plurality of second route 29
Depending on the actual circuit design requirement of light source lamp plate 16, it is not limited with Fig. 3) to establish the first line 27 of flexible circuit board 22
Further there is difference in order to solve conductive paste route because route length is different with the electric connection of the second route 29
The problem of impedance, in this embodiment, metal layer 30, which can plate, invests the first conductive paste line layer 26 and the second conductive paste route
(in practical operation, it is conductive that metal layer 30 can be deposited on the first conductive paste line layer 26, second by chemical plating processing procedure on layer 28
Starch line layer 28), and the first protective layer 32 can be preferably made of ultraviolet light (UV) thermosetting insulation glue material matter (but not by this
Limit) and be coated on metal layer 30, and then generate the effect of preventing metal layer 30 from aoxidizing.
In more detail, as shown in Figure 4, the first protective layer 32 can be attached to first in the multiple keys 14 of correspondence and corresponding plating
The position of metal layer 30 on conductive paste line layer 26 is formed with multiple second through-holes 31, and each multi-color LED 24 can lead to
It crosses corresponding second through-hole 31 and is set to plating and be attached on the metal layer 30 of the first conductive paste line layer 26 to be electrically connected to first
Route 27, use make light source lamp plate 16 can via metal layer 30 (in the present embodiment, the first conductive paste line layer 26 be, for example, silver paste
Line layer, metal layer 30 is copper plate, and compared to silver paste route, copper wire, which does not have, has different resistances because route length is different
Anti- problem) electrically transmission is carried out to control the luminous and color change of multiple multi-color LEDs 24.In practical applications,
Light source lamp plate 16 can also include the second protective layer 33, and the second protective layer 33 is coated on the first protective layer 32 and each multicolor luminous
To generate anti-electrostatic-discharge (Electrostatic Discharge, ESD), dust-proof and waterproof protection function on diode 24
Effect.
In this for above-mentioned first conductive paste line layer 26, the second conductive paste line layer 28, conductive column 25, metal layer 30,
The step that first protective layer 32 and the second protective layer 33 are formed on flexible circuit board 22 is illustrated.As shown in Figure 4, first
First, the first conductive paste line layer 26 and the electrically conductive slurry printing process of the second conductive paste line layer 28 are respectively formed in flexible electrical
The upper surface S1 and lower surface S2 of base board 22, and metal layer 30 can plate attached (such as with electroless plating processing procedure etc.) first
On conductive paste line layer 26 and the second conductive paste line layer 28, in the present embodiment, the first conductive paste line layer 26 and second
Conductive paste route layer 28 is silver paste line layer, and metal layer 30 is copper plate, and in the process, silver paste and copper can be along first through hole
23 form conductive column 25 (as shown in Figure 4, that is to say, that in this embodiment, conductive column 25 folds material institute group by silver paste and layers of copper
At), use the electric connection for establishing first line 27 and the second route 29；Next, the first protective layer 32 can be with printing process
It is coated on metal layer 30 and is formed with the second through-hole 31, whereby, multi-color LED 24 can be arranged by the second through-hole 31
In (such as in a welding manner etc.) on metal layer 30 to be electrically connected to first line 27；Finally, the second protective layer 33 can print
Brush processing procedure is coated on the first protective layer 32 and multi-color LED 24, and the molding system of light source lamp plate 16 so can be completed
Journey.It is noted that as shown in figure 4, it is above-mentioned sequentially form the first protective layer 32 and the second protective layer 33 during,
One protective layer 32 and the second protective layer 33 can preferably along first through hole 23 be formed with hollow slot 40 (but be not limited,
In another embodiment, the first protective layer 32 and the second protective layer 33, which also can be used, can sequentially fill up setting for first through hole 23
Meter).
In addition to this, as shown in figure 3, flexible circuit board 22 extend outward to form an at least flat cable plate portion 34 (in
Three are shown in Fig. 3, but not limited to this), light source lamp plate 16 can also include connection line layer 36 and control circuit board 38, connect
Link layer 36 is formed in flat cable plate portion 34 and is electrically connected to multiple multi-color LEDs 24 via metal layer 30, control
Circuit board 38 processed is connected to the one end (such as in a manner of electric connection that flat cable is plugged in port) in flat cable plate portion 34
To be electrically connected to connection line layer 36, whereby, control circuit board 38 can transmit electrical signals to multiple via connection line layer 36
Multi-color LED 24 (such as controls multiple multicolor luminous two poles with the light emitting control for carrying out multiple multi-color LEDs 24
24 timesharing of pipe shines or sequentially generates different color light etc., and interlock circuit control design case and principle are common in prior art, in
This is repeated no more), to make illuminated keyboard 10 that can there is the key light emitting visual effects of more evolutions.In addition, being triggered in key
Design aspect, as shown in Figure 2, illuminated keyboard 10 can also include film circuit board 21, and film circuit board 21 is set to light source lamp plate
On 16, whereby, when keycap 18 is by pressed by external force, keycap 18 is moved down with elevating mechanism 20, so that film circuit board 21
Upper corresponding thin film switch is triggered, to make key 14 that can execute user's function to be inputted accordingly, presses as being directed to
Triggering design between key 14 and film circuit board 21 (such as utilizes protrusion structural member on elevating mechanism 20 to push triggering film
Thin film switch etc. on circuit board 21) associated description, be common in prior art, repeated no more in this.
In this way, by the way that only by the route for being used to electrically be transmitted, (i.e. the first conductive paste line layer 26, second is conductive
Slurry line layer 28 and metal layer 30) it is respectively formed at upper and lower surface S1, S2 of flexible circuit board 22, and will be used to carry out more
The control circuit board 38 of the light emitting control of color light emitting diode 24 is external in the design of the side of flexible circuit board 22, adds
By Fig. 1 and Fig. 3 it is found that multiple keys 14 can form key area 15 and the area of flexible circuit board 22 is approximately equal to press
The area of key range 15 is (due to only needing the variations in light for being configured to control multi-color LED 24 in control circuit board 38
Integrated circuit controls chip and need not configure multiple multi-color LEDs 24 and be respectively connected to each multicolor luminous two pole
The electrical transmission line of pipe 24, therefore, the area of control circuit board 38 is smaller than the area of flexible circuit board 22), the present invention
Using the pliability of flexible circuit board, (the attainable minimum plate thickness of flexible materials institute in actually manufacture is less than hard
The attainable minimum plate thickness of plate matter institute in actually manufacture) and the material cost of flexible circuit board to be lower than circuit hard
The material cost of plate uses efficiently solving the plate thickness of the LED circuitboard being previously mentioned in prior art and be not easy to contract
The problem of subtracting and being unfavorable for illuminated keyboard slimming design, and can further reduce the manufacturing cost of illuminated keyboard.
In addition, it is noted that light source lamp plate 16 need not have can control multi-color LED 24 shine with
In the embodiment of no control function, that is to say, that only need to have electrical line transmission function and shine in light source lamp plate 16
Under the applicable cases that the electronic device (such as laptop) that control function is connected by illuminated keyboard 10 provides, control circuit board
38 be omissible component, uses the board design for further simplifying illuminated keyboard 10 and the system for reducing illuminated keyboard 10
Cause this.In addition, in practical applications, control circuit board 38 folded using the pliability of flexible circuit board 22 can be affixed on light source
Under lamp plate 16, the configuration space occupied needed for further reduction light source lamp plate 16 is used.It is noted that control circuit board
Configuration can be not limited to the above embodiments, the configuration for omitting flat cable plate portion and connection line layer also can be used and directly will
The folded design being affixed under flexible circuit board of control circuit board, uses the board design for further simplifying illuminated keyboard,
In short, control circuit board can be folded directly and is affixed in the embodiment of configuration for omitting flat cable plate portion and connection line layer
Under flexible circuit board (such as pasted with anisotropic conductive adhesive paste (Anisotropic Conductive Film, ACF) or hot pressing
Modes such as molten tin welding (Hot bar)) to be electrically connected to multi-color LED via metal layer, whereby, control circuit board can
For the light emitting control of multi-color LED is carried out to multi-color LED via metal layer transmission electrical signals.
In addition to this, the configuration of metal layer and the first conductive paste line layer and the second conductive paste line layer can be not limited to
State embodiment, for example, referring to Fig. 5, its part for the light source lamp plate 16 ' proposed according to another embodiment of the present invention
Diagrammatic cross-section, the component being previously mentioned in this embodiment and above-described embodiment have identical number person, represent it with identical
Structure or function, associated description repeats no more in this.As shown in Figure 5, light source lamp plate 16 ' include flexible circuit board 22,
Multiple multi-color LEDs 24 (one is only shown in Fig. 5), conductive column 25 ', the first conductive paste line layer 26 ', second are led
Plasma-based line layer 28 ', metal layer 30, the first protective layer 32 and the second protective layer 33.First conductive paste line layer 26 ' can have
A plurality of first line 27 ', a plurality of first line 27 ' preferably can be formed in flexible circuit board 22 using conductive paste printing process
Upper surface S1, similarly, the second conductive paste line layer 28 ' can have that the lower surface S2's for being formed in flexible circuit board 22 is more
The second route 29 ' of item.It is noted that as shown in figure 5, above-mentioned formation first line 27 ' and the second route 29 ' process
In, conductive paste can fill up (but being not limited) first through hole 23 preferably to form conductive column 25 ' (that is, implementing herein
In example, conductive column 25 ' is made of conductive paste material), use the electric connection for establishing first line 27 ' and the second route 29 '.
In another embodiment, referring to Fig. 6, it is the light source lamp plate 16 " that is proposed according to another embodiment of the present invention
Forming process partial cutaway schematic view, the component being previously mentioned in this embodiment and above-described embodiment have identical number
Person, represents its structure or function having the same, and associated description is repeated no more in this.It will be appreciated from fig. 6 that light source lamp plate 16 " wraps
Containing flexible circuit board 22, multiple multi-color LEDs 24 (only showing one in Fig. 6), conductive column 25 ', the first conductive paste
Line layer 26 ", the second conductive paste line layer 28 ", metal layer 30 and protective layer 32.First conductive paste line layer 26 " can have
A plurality of first line 27 " and the second conductive paste line layer 28 " can have a plurality of second route 29 ", such as attached drawing (a) institute in Fig. 6
Show, first line 27 " and the second route 29 " preferably can be respectively formed in flexible circuit board 22 using conductive paste printing process
Upper surface S1 and lower surface S2, and metal layer 30 can plate and invest the first conductive paste line layer 26 " and the second conductive paste
On line layer 28 ", next, primary conductive slurry printing process can be carried out again so that conduction as shown in the attached drawing (b) in Fig. 6
Slurry fills up first through hole 23 and first line 27 " and the second route 29 " is electrically connected to each other via conductive column 25 ' to establish
The circuit connection of flexible circuit board 22.
In addition, the configuration of film circuit board and light source lamp plate and bottom plate can be also not limited to the above embodiments.For example,
Referring to Fig. 7, its partial cutaway schematic view for the illuminated keyboard 100 proposed according to another embodiment of the present invention, real herein
Applying the component being previously mentioned in example and above-described embodiment has identical number person, represents its structure or function having the same, phase
Pass is described in this and repeats no more.As shown in Figure 7, illuminated keyboard 100 includes multiple keys 14 (one is only shown in Fig. 7), light
Source lamp plate 16, bottom plate 102 and film circuit board 104, film circuit board 104 are set on bottom plate 102, and light source lamp plate 16 attaches
In the perforation 103 that bottom plate 102 is lower and multi-color LED 24 can be threaded through bottom plate 102, uses and be effectively reduced luminous two
Pole pipe occupied configuration space inside illuminated keyboard is designed with the slimming of sharp illuminated keyboard.
In another embodiment, referring to Fig. 8, it is the illuminated keyboard 150 that is proposed according to another embodiment of the present invention
Partial cutaway schematic view, the component being previously mentioned in this embodiment and above-described embodiment have identical number person, represent its tool
There is identical structure or function, associated description is repeated no more in this.As shown in Figure 8, illuminated keyboard 150 includes multiple keys 14
(one is only shown in Fig. 8), light source lamp plate 16, bottom plate 12 and film circuit board 152, film circuit board 152 are set to bottom
Between plate 12 and light source lamp plate 16, whereby, when keycap 18 is by pressed by external force, keycap 18 is with elevating mechanism 20 to moving down
It is dynamic so that corresponding thin film switch is triggered on film circuit board 152, thus make key 14 can execute accordingly user be intended to it is defeated
The function of entering.
In conclusion illuminated keyboard and its light source lamp plate of the invention pass through the route that only will be used to electrically be transmitted
(i.e. the first conductive paste line layer, the second conductive paste line layer and metal layer) is respectively formed at the upper and lower of flexible circuit board
The design on surface, thus the present invention can using flexible circuit board pliability (flexible materials actually manufacture on can reach
To minimum plate thickness be less than the attainable minimum plate thickness of hardboard material institute in actually manufacture) and flexible electrical roadbed
The material cost of plate is lower than the material cost of circuit hardboard, uses the light emitting diode for efficiently solving and being previously mentioned in prior art
The plate thickness of circuit board is not easy the problem of reducing and being unfavorable for illuminated keyboard slimming design, and can further reduce hair
The manufacturing cost of light keyboard.
By the above detailed description of preferred embodiments, it is intended to more clearly describe feature and spirit of the invention,
And not protection scope of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its purpose
It is intended to cover various changes and has being arranged in the scope of protection of the claims of the invention to be applied of equality.Cause
This, scope of protection of the claims of the invention should illustrate the most wide explanation of work according to above-mentioned, to cause it to cover institute
Possible change and the arrangement of tool equality.
Claims (11)
1. a kind of light source lamp plate, it is suitable for providing multiple keys on light to keyboard, it is characterised in that the light source lamp plate packet
Contain:
Flexible circuit board has an at least first through hole；
Multiple multi-color LEDs, respectively correspond multiple key, and multiple multi-color LED is used to generate light
It is incident to multiple key；
First conductive paste line layer, with a plurality of first line, which is formed in the flexible circuit board
Upper surface；
Second conductive paste line layer, with a plurality of second route, which is formed in the flexible circuit board
Lower surface；
Conductive column, be formed in an at least first through hole be electrically connected at least one of a plurality of first line with
And at least one of a plurality of second route；
Metal layer, plating invest on the first conductive paste line layer and the second conductive paste line layer；And
First protective layer, is coated on the metal layer and first protective layer corresponds to multiple key and corresponding plating is attached to this
The position of metal layer on first conductive paste line layer is formed with multiple second through-holes, and each multi-color LED passes through opposite
The second through-hole answered is set to plating and is attached on the metal layer of the first conductive paste line layer to be electrically connected to a plurality of First Line
Road.
2. light source lamp plate according to claim 1, it is characterised in that: the flexible circuit board extends outward to form at least one
Flat cable plate portion, which also includes:
Connection line layer, is formed in an at least flat cable plate portion and the connection line layer is electrically connected via the metal layer
In multiple multi-color LED；And
Control circuit board is connected to the one end in the flat cable plate portion to be electrically connected to the connection line layer, the control circuit
Plate is used to carry out via connection line layer transmission electrical signals to multiple multi-color LED multiple multicolor luminous
The light emitting control of diode.
3. light source lamp plate according to claim 2, it is characterised in that: the control circuit board is folded to be affixed under the light source lamp plate.
4. light source lamp plate according to claim 1, it is characterised in that: the flexible circuit board is by poly terephthalic acid second two
Ester or polyimides material are formed.
5. light source lamp plate according to claim 1, it is characterised in that: first protective layer is by ultraviolet light thermosetting insulation glue material
Matter is formed.
6. light source lamp plate according to claim 1, it is characterised in that: the light source lamp plate also includes:
Second protective layer is coated on first protective layer and each multi-color LED.
7. light source lamp plate according to claim 6, it is characterised in that: first protective layer and second protective layer along
At least a first through hole is formed with hollow slot for this.
8. light source lamp plate according to claim 1, it is characterised in that: multiple key forms key area, the flexible electrical
The area of base board is equal to the area of the key area.
9. light source lamp plate according to claim 1, it is characterised in that: the first conductive paste line layer and second conductive paste
Line layer is silver paste line layer, which is copper plate, which is laminated material institute group by silver paste material or copper and silver paste
At.
10. light source lamp plate according to claim 1, it is characterised in that: the light source lamp plate also includes control circuit board, the control
Circuit board processed is folded to be affixed on the control to be electrically connected to multiple multi-color LED via the metal layer under the flexible circuit board
Circuit board processed is used to transmit the hair that electrical signals carry out multiple multi-color LED to multiple multi-color LED
Photocontrol.
11. a kind of illuminated keyboard, it is characterised in that include:
Bottom plate；
Multiple keys are set on the bottom plate, and each key includes:
Keycap；And
Elevating mechanism is set between the bottom plate and the keycap, and the keycap is via the elevating mechanism relative on the bottom plate
Lower movement；And
Light source lamp plate as described in any one of claims 1 to 10, the light source lamp plate are set to the bottom plate and multiple key
Between or the light source lamp plate be set under the bottom plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811071284.8A CN109036929A (en) | 2018-09-14 | 2018-09-14 | Illuminated keyboard and its light source lamp plate |
| CN201910181224.XA CN109741985B (en) | 2018-09-14 | 2019-03-11 | Luminous keyboard and light source lamp panel thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811071284.8A CN109036929A (en) | 2018-09-14 | 2018-09-14 | Illuminated keyboard and its light source lamp plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109036929A true CN109036929A (en) | 2018-12-18 |
Family
ID=64621500
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811071284.8A Withdrawn CN109036929A (en) | 2018-09-14 | 2018-09-14 | Illuminated keyboard and its light source lamp plate |
| CN201910181224.XA Active CN109741985B (en) | 2018-09-14 | 2019-03-11 | Luminous keyboard and light source lamp panel thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910181224.XA Active CN109741985B (en) | 2018-09-14 | 2019-03-11 | Luminous keyboard and light source lamp panel thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109036929A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752109A (en) * | 2019-09-16 | 2020-02-04 | 苏州达方电子有限公司 | Backlight module and manufacturing method thereof |
| WO2024021048A1 (en) * | 2022-07-29 | 2024-02-01 | 昆山兴协和科技股份有限公司 | Light-emitting keyboard |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005071808A (en) * | 2003-08-25 | 2005-03-17 | Citizen Electronics Co Ltd | Key sheet module |
| CN201114277Y (en) * | 2007-09-07 | 2008-09-10 | 比亚迪股份有限公司 | Mobile telephone press key one-sided circuit board |
| JP4491033B2 (en) * | 2008-11-27 | 2010-06-30 | 株式会社東芝 | Keyboard and electronics |
| CN201813610U (en) * | 2010-03-31 | 2011-04-27 | 王定锋 | Double-sided circuit board and led lamp belt |
| TW201503195A (en) * | 2013-07-12 | 2015-01-16 | Primax Electronics Ltd | Illumanating keyboard |
| CN204696007U (en) * | 2015-06-09 | 2015-10-07 | 薛志勇 | SMD touch-switch |
| CN107818884A (en) * | 2016-09-13 | 2018-03-20 | 光宝电子(广州)有限公司 | Straight-down negative illuminated keyboard |
| CN106653442A (en) * | 2017-02-17 | 2017-05-10 | 联想(北京)有限公司 | Backlight keyboard and electronic equipment |
-
2018
- 2018-09-14 CN CN201811071284.8A patent/CN109036929A/en not_active Withdrawn
-
2019
- 2019-03-11 CN CN201910181224.XA patent/CN109741985B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752109A (en) * | 2019-09-16 | 2020-02-04 | 苏州达方电子有限公司 | Backlight module and manufacturing method thereof |
| WO2024021048A1 (en) * | 2022-07-29 | 2024-02-01 | 昆山兴协和科技股份有限公司 | Light-emitting keyboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109741985A (en) | 2019-05-10 |
| CN109741985B (en) | 2021-05-04 |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181218 |
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| WW01 | Invention patent application withdrawn after publication |