CN105448568A - Key device - Google Patents

Key device Download PDF

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Publication number
CN105448568A
CN105448568A CN201511008399.9A CN201511008399A CN105448568A CN 105448568 A CN105448568 A CN 105448568A CN 201511008399 A CN201511008399 A CN 201511008399A CN 105448568 A CN105448568 A CN 105448568A
Authority
CN
China
Prior art keywords
district
coverlay
rete
light
emitting component
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.)
Granted
Application number
CN201511008399.9A
Other languages
Chinese (zh)
Other versions
CN105448568B (en
Inventor
高嘉伟
陈彦廷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Darfon Electronics Suzhou Co Ltd
Darfon Electronics Corp
Original Assignee
Darfon Electronics Suzhou Co Ltd
Darfon Electronics Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Darfon Electronics Suzhou Co Ltd, Darfon Electronics Corp filed Critical Darfon Electronics Suzhou Co Ltd
Priority to CN201511008399.9A priority Critical patent/CN105448568B/en
Publication of CN105448568A publication Critical patent/CN105448568A/en
Application granted granted Critical
Publication of CN105448568B publication Critical patent/CN105448568B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/83Switches 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/702Switches 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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00Miscellaneous
    • H01H2239/008Static electricity considerations

Abstract

The invention relates to a key device. The key device comprises a bottom plate, a keycap, a lifting support mechanism, a luminous element and a circuit board, wherein the keycap is arranged above the bottom plate; the lifting support mechanism is arranged between the bottom plate and the keycap; the circuit board comprises a first film layer, a spacing structure and a second film layer; the first film layer is arranged on the bottom plate; the spacing structure is arranged on the first film layer; the second film layer is arranged on the spacing structure; a holding space is formed between one of the first film layer, the spacing structure and the second film layer and the other one of the first film layer, the spacing structure and the second film layer; and the luminous element is arranged on the holding space and used for emitting light rays to the keycap, so as to effectively prevent electrostatic discharge from entering the circuit board via the luminous element to damage the circuit board.

Description

Key device
Technical field
The present invention about a kind of key device, espespecially a kind of luminous key device with antistatic protection function.
Background technology
Recently, keyboard has become the common input tool of people, in order to input characters, numeral, symbol etc.For asking prompting effect, often light-emitting component (such as light-emittingdiode) being set in the corresponding button place of film circuit board of keyboard, to make button, there is lighting function.But, when outside produces electrostatic or when utilizing static gun to carry out electrostatic test, outside electrostatic or the electrostatic produced by static gun can enter film circuit board via light-emitting component, and then infringement film circuit board, thus affect the input function of keyboard.
Summary of the invention
Therefore, the invention provides a kind of luminous key device with antistatic protection function, above-mentioned because of exterior static or the electrostatic produced by static gun enters film circuit board via light-emitting component to solve, electrostatic damage circuit board and affect the problem of the input function of keyboard.
In order to reach above-mentioned purpose, the present invention discloses a kind of key device, include base plate, keycap, lifting supporting mechanism, light-emitting component and circuit board, this keycap is arranged at above this base plate, this lifting supporting mechanism is arranged between this base plate and this keycap, move up and down in order to support this keycap this base plate relative, this light-emitting component is in order to emit beam towards this keycap, this circuit board includes the first rete, spacer structure and the second rete, this first rete is arranged on this base plate, this spacer structure is arranged on this first rete, this second rete is arranged on this spacer structure, this first rete, one of them and this first rete of this spacer structure and this second rete, this spacer structure and this second rete be wherein formed with an accommodation space between another, and this light-emitting component is arranged in this accommodation space.
As optional technical scheme, this circuit board also includes: light shield layer, and this light shield layer is arranged on this second rete, and this light shield layer is in having transmission region in light-emitting component place.
As optional technical scheme, this light shield layer made by printing-ink material, and this transmission region with the mode of screen painting or laser carved mode shaping.
As optional technical scheme, this first rete has carrier film district, the first switch conduction point and power supply contact, this second rete has second switch firing point and coverlay district, this light-emitting component is electrically connected this power supply contact, this carrier film district and this coverlay district form this accommodation space, this coverlay district covers above this accommodation space, make this accommodation space and this circuit board space not through the guiding path in this coverlay district, wherein, because of should the moving up and down of keycap, this first switch conduction point and this second switch firing point optionally conducting.
As optional technical scheme, this coverlay district is to having coverlay district deformation structure in light-emitting component place, and this coverlay district deformation structure is outstanding upward and higher than this second rete beyond this coverlay district.
As optional technical scheme, this spacer structure is to being formed with spacer structure port in light-emitting component place, and this coverlay district deformation structure, this spacer structure port and this carrier film district define this accommodation space jointly.
As optional technical scheme, this spacer structure is to having spacer structure deformation structure in light-emitting component place, and this spacer structure deformation structure is given prominence to upward and abutted this coverlay district deformation structure.
As optional technical scheme, this carrier film district is to having carrier film district deformation structure in light-emitting component place, this carrier film district deformation structure is outstanding downward and lower than this first rete beyond this carrier film district, this light-emitting component is arranged in this carrier film district deformation structure, wherein, this base plate is to being formed with base plate opening in light-emitting component place, and this carrier film district deformation structure is arranged in this base plate opening.
As optional technical scheme, this spacer structure is to being formed with spacer structure port in light-emitting component place, and this coverlay district, this spacer structure port and this carrier film district deformation structure define this accommodation space jointly.
As optional technical scheme, this spacer structure is to having spacer structure deformation structure in light-emitting component place, and this spacer structure deformation structure is given prominence to upward and abutted this coverlay district deformation structure.
As optional technical scheme, this first rete has the first switch conduction point, this spacer structure has carrier film district and a power supply contact, this second rete has second switch firing point and coverlay district, this carrier film district and this coverlay district form this accommodation space, this light-emitting component is electrically connected this power supply contact, this coverlay district covers above this accommodation space, make this accommodation space and this circuit board space not through the guiding path in this coverlay district, wherein, because of should the moving up and down of keycap, this the first switch conduction point and this second switch firing point optionally conducting.
As optional technical scheme, this coverlay district is to having coverlay district deformation structure in light-emitting component place, this coverlay district deformation structure is outstanding upward and higher than this second rete beyond this coverlay district, this coverlay district deformation structure and this carrier film district define this accommodation space jointly.
As optional technical scheme, this carrier film district is to having carrier film district deformation structure in light-emitting component place, this carrier film district deformation structure is outstanding downward and lower than this first rete, this light-emitting component is arranged in this carrier film district deformation structure, wherein, this base plate is to being formed with base plate opening in light-emitting component place, and this carrier film district deformation structure is arranged in this base plate opening.
As optional technical scheme, this first rete is to having the first rete deformation structure in light-emitting component place, and this first rete deformation structure is given prominence to downward and abutted this carrier film district deformation structure.
As optional technical scheme, this first rete is to being formed with the first rete port in light-emitting component place, and this carrier film district deformation structure is arranged in this first rete port.
As optional technical scheme, this first rete has carrier film district, first switch conduction point and power supply contact, this spacer structure has coverlay district, this second rete has second switch firing point, this carrier film district and this coverlay district form this accommodation space, this light-emitting component is electrically connected this power supply contact, this coverlay district covers above this accommodation space, make this accommodation space and this circuit board space not through the guiding path in this coverlay district, wherein, because of should the moving up and down of keycap, this the first switch conduction point and this second switch firing point optionally conducting.
As optional technical scheme, this circuit board also includes: light shield layer, and this light shield layer is arranged on this spacer structure, and this light shield layer is in having transmission region in light-emitting component place.
As optional technical scheme, this light shield layer made by printing-ink material, and this transmission region with the mode of screen painting or laser carved mode shaping.
As optional technical scheme, this coverlay district is to having coverlay district deformation structure in light-emitting component place, and this coverlay district deformation structure is outstanding upward and higher than this spacer structure.
As optional technical scheme, this second rete is to being formed with the second rete port in light-emitting component place, and this coverlay district deformation structure is arranged in this second rete port.
As optional technical scheme, this carrier film district is to having carrier film district deformation structure in light-emitting component place, this carrier film district deformation structure is outstanding downward and lower than this first rete beyond this carrier film district, this light-emitting component is arranged in this carrier film district deformation structure, wherein, this base plate is to being formed with base plate opening in light-emitting component place, and this carrier film district deformation structure is arranged in this base plate opening.
In sum, light-emitting component is arranged in the accommodation space wherein formed between another of one of them and the first rete, spacer structure and the second rete of the first rete, spacer structure and the second rete by key device of the present invention, with by light-emitting component with outside electrostatic or the electrostatic produced by static gun intercepts, the electrostatic outside by this or electrostatic produced by static gun just cannot enter circuit board via light-emitting component, and then avoid above-mentioned electrostatic damage circuit board and affect the input function of keyboard.
Aforementioned and other technology contents, feature and effect for the present invention, in the detailed description of following cooperation with reference to graphic embodiment, can clearly present.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of first embodiment of the invention keyboard.
Fig. 2 is the schematic appearance of first embodiment of the invention key device.
Fig. 3 is the element explosive view of first embodiment of the invention key device.
Fig. 4 is the generalized section of key device along A-A ' line segment of Fig. 2.
Fig. 5 is the generalized section of key device along B-B ' line segment of Fig. 2.
Fig. 6 is the enlarged diagram of the C part of the key device of Fig. 4.
Fig. 7 is the enlarged schematic partial view of second embodiment of the invention key device.
Fig. 8 is the enlarged schematic partial view of third embodiment of the invention key device.
Fig. 9 is the enlarged schematic partial view of fourth embodiment of the invention key device.
Figure 10 is the enlarged schematic partial view of fifth embodiment of the invention key device.
Figure 11 is the enlarged schematic partial view of sixth embodiment of the invention key device.
Figure 12 is the enlarged schematic partial view of seventh embodiment of the invention key device.
Figure 13 is the enlarged schematic partial view of eighth embodiment of the invention key device.
Figure 14 is the enlarged schematic partial view of ninth embodiment of the invention key device.
Figure 15 is the enlarged schematic partial view of tenth embodiment of the invention key device.
Embodiment
The direction term mentioned in following examples such as: upper and lower, left and right, front or rear etc., is only the direction with reference to annexed drawings.Therefore, the direction term of use is used to illustrate and is not used for limiting the present invention.Refer to Fig. 1, Fig. 1 is the schematic diagram of the keyboard 1000 of first embodiment of the invention.As shown in Figure 1, keyboard 1000 has a plurality of key device, and user can utilize a plurality of key device input characters, numeral, symbol etc.In practice, one of them of a plurality of key device can be cap lock key (alphabet size writes conversion key), and cap lock key, namely key device 1 can design and have prompting cresset function, whether start with the current keyboard CapsLock of light prompt user, the English words that inputs at present of prompting user is upper case or lower case, and key device of the present invention 1 can not limit to and is used in cap lock key, looks closely actual demand and determines.
Refer to Fig. 2 to Fig. 5, Fig. 2 is the schematic appearance of first embodiment of the invention key device 1, Fig. 3 is the element explosive view of first embodiment of the invention key device 1, Fig. 4 is the generalized section of key device along A-A ' line segment of Fig. 2, and Fig. 5 is the generalized section of key device along B-B ' line segment of Fig. 2.As shown in Figures 2 to 5, key device 1 includes base plate 10, keycap 11, lifting supporting mechanism 12, light-emitting component 13 and circuit board 14, keycap 11 is arranged at above base plate 10, lifting supporting mechanism 12 is arranged between base plate 10 and keycap 11, moves up and down in order to support keycap 11 opposed bottom 10.In this embodiment, lifting supporting mechanism 12 can be scissor leg structure (scissormechanism), but the present invention does not limit by this, such as, be elevated supporting mechanism 12 and also can be volcanic crater structure.
It is the enlarged diagram of the C part of the key device 1 of Fig. 4 referring again to Fig. 6, Fig. 6.As shown in Figures 3 to 6, in this embodiment, circuit board 14 includes the first rete 140, spacer structure 141, second rete 142 and light shield layer 143, first rete 140 is arranged on base plate 10, spacer structure 141 is arranged on the first rete 140, second rete 142 is arranged on spacer structure 141, and namely spacer structure 141 is between the first rete 140 and the second rete 142.First rete 140 has carrier film district 1400, first switch conduction point 1401 (as shown in Figure 5) and power supply contact 1402.Second rete 142 has second switch firing point 1420 (as shown in Figure 5) and coverlay district 1421, coverlay district 1421 has coverlay district deformation structure 1422, and coverlay district deformation structure 1422 is outstanding upward and higher than the second rete 142 beyond coverlay district 1421.Spacer structure 141 is formed with spacer structure port 1410, wherein, coverlay district deformation structure 1422, spacer structure port 1410 and carrier film district 1400 be definition accommodation space 144 jointly, light-emitting component 13 to be arranged in accommodation space 144 and electric connection of power supply contact 1402, that is coverlay district deformation structure 1422 and spacer structure port 1410 lay respectively at corresponding to light-emitting component 13 place, and spacer structure port 1410 allows light-emitting component 13 to pass through, interfere to avoid light-emitting component 13 and spacer structure 141.
In addition, key device 1 can be cap lock key (alphabet size writes conversion key), in response to moving up and down of keycap 11, first switch conduction point 1401 and second switch firing point 1420 optionally conducting, to change current keyboard English character capital and small letter state, and then optionally whether triggering light-emitting component 13 emits beam towards keycap 11.For example, second switch firing point 1420 is made to touch the first switch conduction point 1401, to produce large write command when keycap 11 first time.Now, light-emitting component 13 can send this light in order to the broken hole position (as shown in Figure 3) towards keycap 11, makes key device 1 broken hole position luminous, informs that the current English alphabet of user is in capitalization state.When keycap 11 second time makes second switch firing point 1420 touch the first switch conduction point 1401, then cancel this large write command.Now, light-emitting component 13 extinguishes, and makes key device 1 broken hole position not luminous, informs that the current English alphabet of user is in small letter state.
In addition, light shield layer 143 is arranged on the second rete 142, light shield layer 143 has transmission region 1430 in corresponding light-emitting component 13 place, the light that light-emitting component 13 sends only can arrive the broken hole position of keycap 11 through the transmission region 1430 of light shield layer 143, therefore through the size or the shape that change transmission region 1430, the light number or the shape that arrive keycap 11 through transmission region 1430 can be controlled.In this embodiment, light shield layer 143 can made by printing-ink material, and transmission region 1430 can the mode of screen painting or laser carved mode shaping, but the present invention does not limit by this.
It is worth mentioning that, in the present invention, because coverlay district 1421 covers above accommodation space 144, make accommodation space 144 and circuit board 14 superjacent air space not through the guiding path in coverlay district 1421, therefore outside electrostatic or the electrostatic produced by static gun cannot enter circuit board 14 via the power supply contact 1402 below light-emitting component 13, and then avoid circuit board 14 damage and affect the input function of keyboard 1000.But the structural design of the first rete 140 of circuit board 14 of the present invention, spacer structure 141, second rete 142 and light shield layer 143 can be not limited only to above-described embodiment, in other words, as long as the structural design that accommodation space 144 and circuit board 14 superjacent air space can be made cannot to be formed through the guiding path in coverlay district 1421 is all scope.
For example, refer to Fig. 7, Fig. 7 is the enlarged schematic partial view of second embodiment of the invention key device 2.As shown in Figure 7, key device 2 and the main difference of aforementioned keys device 1 be in, spacer structure 141 corresponding light-emitting component 13 place of key device 2 has spacer structure deformation structure 1411, and spacer structure deformation structure 1411 is given prominence to upward and abutted coverlay district deformation structure 1422.And this embodiment and the element in above-described embodiment with identical label, it has identical structural design and action principle, for the sake of clarity, repeats no more in this.
Refer to Fig. 8, Fig. 8 is the enlarged schematic partial view of third embodiment of the invention key device 3.As shown in Figure 8, key device 3 and aforementioned keys device 1, the main difference of 2 be in, corresponding light-emitting component 13 place of carrier film district 1400 of key device 3 has carrier film district deformation structure 1403, carrier film district deformation structure 1403 is outstanding downward and lower than the first rete 140 beyond carrier film district 1400, light-emitting component 13 is arranged in carrier film district deformation structure 1403, base plate 10 corresponding light-emitting component 13 place is formed with base plate opening 100, carrier film district deformation structure 1403 is arranged in base plate opening 100, and corresponding light-emitting component 13 place of coverlay district 1421 does not have coverlay district deformation structure 1422, namely the second rete 142 is slab construction.And this embodiment and the element in above-described embodiment with identical label, it has identical structural design and action principle, for the sake of clarity, repeats no more in this.
Refer to Fig. 9, Fig. 9 is the enlarged schematic partial view of fourth embodiment of the invention key device 4.As shown in Figure 9, key device 4 and the main difference of aforementioned keys device 3 be in, spacer structure 141 corresponding light-emitting component 13 place of key device 4 is formed with spacer structure port 1410, wherein, coverlay district 1421, spacer structure port 1410 and carrier film district deformation structure 1403 definition accommodation space 144 jointly.In addition, in other embodiments, corresponding light-emitting component 13 place of coverlay district 1421 can be formed with coverlay district deformation structure 1422, coverlay district deformation structure 1422 is outstanding upward and higher than the second rete 142 beyond coverlay district 1421, coverlay district deformation structure 1422, spacer structure port 1410 and carrier film district deformation structure 1403 be definition accommodation space 144 jointly.And this embodiment and the element in above-described embodiment with identical label, it has identical structural design and action principle, for the sake of clarity, repeats no more in this.
Refer to Figure 10, Figure 10 is the enlarged schematic partial view of fifth embodiment of the invention key device 5.As shown in Figure 10, key device 5 and the main difference of aforementioned keys device 4 be in, corresponding light-emitting component 13 place of coverlay district 1421 of key device 5 has coverlay district deformation structure 1422, coverlay district deformation structure 1422 is outstanding upward and higher than the second rete 142 beyond coverlay district 1421, spacer structure 141 corresponding light-emitting component 13 place has spacer structure deformation structure 1411, and spacer structure deformation structure 1411 is given prominence to upward and abutted coverlay district deformation structure 1422.And this embodiment and the element in above-described embodiment with identical label, it has identical structural design and action principle, for the sake of clarity, repeats no more in this.
Refer to Figure 11, Figure 11 is the enlarged schematic partial view of sixth embodiment of the invention key device 6.As shown in figure 11, key device 6 and the main difference of aforementioned keys device 1 be in, the spacer structure 141 of key device 6 has carrier film district 1400 and power supply contact 1402, second rete 142 has coverlay district 1421, corresponding light-emitting component 13 place of coverlay district 1421 has coverlay district deformation structure 1422, coverlay district deformation structure 1422 is outstanding upward and higher than the second rete 142 beyond coverlay district 1421, wherein, coverlay district deformation structure 1422 and carrier film district 1400 definition accommodation space 144 jointly.And this embodiment and the element in above-described embodiment with identical label, it has identical structural design and action principle, for the sake of clarity, repeats no more in this.
Refer to Figure 12, Figure 12 is the enlarged schematic partial view of seventh embodiment of the invention key device 7.As shown in figure 12, key device 7 and the main difference of aforementioned keys device 6 be in, corresponding light-emitting component 13 place of carrier film district 1400 of key device 7 has carrier film district deformation structure 1403, base plate 10 corresponding light-emitting component 13 place is formed with base plate opening 100, carrier film district deformation structure 1403 is outstanding downward and lower than the first rete 140, and be arranged in base plate opening 100, light-emitting component 13 is arranged in carrier film district deformation structure 1403, first rete 140 corresponding light-emitting component 13 place has the first rete deformation structure 1404, first rete deformation structure 1404 is given prominence to downward and is abutted carrier film district deformation structure 1403.In addition, in other embodiments, corresponding light-emitting component 13 place of coverlay district 1421 also can not have coverlay district deformation structure 1422 outstanding upward, and namely the second rete 142 can be slab construction.And this embodiment and the element in above-described embodiment with identical label, it has identical structural design and action principle, for the sake of clarity, repeats no more in this.
Refer to Figure 13, Figure 13 is the enlarged schematic partial view of eighth embodiment of the invention key device 8.As shown in figure 13, key device 8 and the main difference of aforementioned keys device 7 be in, the first rete 140 corresponding light-emitting component 13 place is formed with the first rete port 1405, and carrier film district deformation structure 1403 is arranged in the first rete port 1405.In addition, in other embodiments, corresponding light-emitting component 13 place of coverlay district 1421 also can not have coverlay district deformation structure 1422 outstanding upward, and namely the second rete 142 can be slab construction.And this embodiment and the element in above-described embodiment with identical label, it has identical structural design and action principle, for the sake of clarity, repeats no more in this.
Refer to Figure 14, Figure 14 is the enlarged schematic partial view of ninth embodiment of the invention key device 9.As shown in figure 14, key device 9 and the main difference of aforementioned keys device 1 be in, first rete 140 has carrier film district 1400 and power supply contact 1402, spacer structure 141 has coverlay district 1421, light shield layer 143 is arranged on spacer structure 141, light shield layer 143 has transmission region 1430 in corresponding light-emitting component 13 place, corresponding light-emitting component 13 place of coverlay district 1421 has coverlay district deformation structure 1422, second rete 142 corresponding light-emitting component 13 place is formed with the second rete port 1423, coverlay district deformation structure 1422 is outstanding upward and higher than the second rete 142, and be arranged in the second rete port 1423.And this embodiment and the element in above-described embodiment with identical label, it has identical structural design and action principle, for the sake of clarity, repeats no more in this.
Refer to Figure 15, Figure 15 is the enlarged schematic partial view of tenth embodiment of the invention key device 10.As shown in figure 15, key device 10 and the main difference of aforementioned keys device 9 be in, corresponding light-emitting component 13 place of carrier film district 1400 has carrier film district deformation structure 1403, carrier film district deformation structure 1403 is outstanding downward and lower than the first rete 140 beyond carrier film district 1400, light-emitting component 13 is arranged in carrier film district deformation structure 1403, base plate 10 corresponding light-emitting component 13 place is formed with base plate opening 100, and carrier film district deformation structure 1403 is arranged in base plate opening 100.In addition, in other embodiments, corresponding light-emitting component 13 place of coverlay district 1421 also can not have coverlay district deformation structure 1422 outstanding upward, and namely spacer structure 141 can be slab construction.And this embodiment and the element in above-described embodiment with identical label, it has identical structural design and action principle, for the sake of clarity, repeats no more in this.
Compared to prior art, light-emitting component is arranged in the accommodation space wherein formed between another of one of them and the first rete, spacer structure and the second rete of the first rete, spacer structure and the second rete by key device of the present invention, with by light-emitting component with outside electrostatic or the electrostatic produced by static gun intercepts, the electrostatic outside by this or electrostatic produced by static gun just cannot enter circuit board via light-emitting component, and then avoid above-mentioned electrostatic damage circuit board and affect the input function of keyboard.The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.

Claims (21)

1. a key device, is characterized in that, this key device includes:
Base plate;
Keycap, it is arranged at above this base plate;
Lifting supporting mechanism, it is arranged between this base plate and this keycap, moves up and down in order to support this keycap this base plate relative;
Light-emitting component, it is in order to emit beam towards this keycap; And
Circuit board, this circuit board includes:
First rete, it is arranged on this base plate;
Spacer structure, it is arranged on this first rete; And
Second rete, it is arranged on this spacer structure, one of them and this first rete, this spacer structure and this second rete of this first rete, this spacer structure and this second rete be wherein formed with accommodation space between another, and this light-emitting component is arranged in this accommodation space.
2. key device as claimed in claim 1, it is characterized in that, this circuit board also includes:
Light shield layer, this light shield layer is arranged on this second rete, and this light shield layer is in having transmission region in light-emitting component place.
3. key device as claimed in claim 2, is characterized in that, this light shield layer made by printing-ink material, and this transmission region with the mode of screen painting or laser carved mode shaping.
4. key device as claimed in claim 1, it is characterized in that, this first rete has carrier film district, first switch conduction point and power supply contact, this second rete has second switch firing point and coverlay district, this light-emitting component is electrically connected this power supply contact, this carrier film district and this coverlay district form this accommodation space, this coverlay district covers above this accommodation space, make this accommodation space and this circuit board space not through the guiding path in this coverlay district, wherein, because of should the moving up and down of keycap, this the first switch conduction point and this second switch firing point optionally conducting.
5. key device as claimed in claim 4, is characterized in that, this coverlay district is to having coverlay district deformation structure in light-emitting component place, and this coverlay district deformation structure is outstanding upward and higher than this second rete beyond this coverlay district.
6. key device as claimed in claim 5, it is characterized in that, this spacer structure is to being formed with spacer structure port in light-emitting component place, and this coverlay district deformation structure, this spacer structure port and this carrier film district define this accommodation space jointly.
7. key device as claimed in claim 5, is characterized in that, this spacer structure is to having spacer structure deformation structure in light-emitting component place, and this spacer structure deformation structure is given prominence to upward and abutted this coverlay district deformation structure.
8. key device as claimed in claim 4, it is characterized in that, this carrier film district is to having carrier film district deformation structure in light-emitting component place, this carrier film district deformation structure is outstanding downward and lower than this first rete beyond this carrier film district, this light-emitting component is arranged in this carrier film district deformation structure, wherein, this base plate is to being formed with base plate opening in light-emitting component place, and this carrier film district deformation structure is arranged in this base plate opening.
9. key device as claimed in claim 8, it is characterized in that, this spacer structure is to being formed with spacer structure port in light-emitting component place, and this coverlay district, this spacer structure port and this carrier film district deformation structure define this accommodation space jointly.
10. key device as claimed in claim 8, is characterized in that, this spacer structure is to having spacer structure deformation structure in light-emitting component place, and this spacer structure deformation structure is given prominence to upward and abutted this coverlay district deformation structure.
11. key devices as claimed in claim 1, it is characterized in that, this first rete has the first switch conduction point, this spacer structure has carrier film district and a power supply contact, this second rete has second switch firing point and coverlay district, this carrier film district and this coverlay district form this accommodation space, this light-emitting component is electrically connected this power supply contact, this coverlay district covers above this accommodation space, make this accommodation space and this circuit board space not through the guiding path in this coverlay district, wherein, because of should the moving up and down of keycap, this the first switch conduction point and this second switch firing point optionally conducting.
12. key devices as claimed in claim 11, it is characterized in that, this coverlay district is to having coverlay district deformation structure in light-emitting component place, this coverlay district deformation structure is outstanding upward and higher than this second rete beyond this coverlay district, this coverlay district deformation structure and this carrier film district define this accommodation space jointly.
13. key devices as claimed in claim 11, it is characterized in that, this carrier film district is to having carrier film district deformation structure in light-emitting component place, this carrier film district deformation structure is outstanding downward and lower than this first rete, this light-emitting component is arranged in this carrier film district deformation structure, wherein, this base plate is to being formed with base plate opening in light-emitting component place, and this carrier film district deformation structure is arranged in this base plate opening.
14. key devices as claimed in claim 13, is characterized in that, this first rete is to having the first rete deformation structure in light-emitting component place, and this first rete deformation structure is given prominence to downward and abutted this carrier film district deformation structure.
15. key devices as claimed in claim 13, is characterized in that, this first rete is to being formed with the first rete port in light-emitting component place, and this carrier film district deformation structure is arranged in this first rete port.
16. key devices as claimed in claim 1, it is characterized in that, this first rete has carrier film district, first switch conduction point and power supply contact, this spacer structure has coverlay district, this second rete has second switch firing point, this carrier film district and this coverlay district form this accommodation space, this light-emitting component is electrically connected this power supply contact, this coverlay district covers above this accommodation space, make this accommodation space and this circuit board space not through the guiding path in this coverlay district, wherein, because of should the moving up and down of keycap, this the first switch conduction point and this second switch firing point optionally conducting.
17. key devices as claimed in claim 16, it is characterized in that, this circuit board also includes:
Light shield layer, this light shield layer is arranged on this spacer structure, and this light shield layer is in having transmission region in light-emitting component place.
18. key devices as claimed in claim 17, is characterized in that, this light shield layer made by printing-ink material, and this transmission region with the mode of screen painting or laser carved mode shaping.
19. key devices as claimed in claim 16, is characterized in that, this coverlay district is to having coverlay district deformation structure in light-emitting component place, and this coverlay district deformation structure is outstanding upward and higher than this spacer structure.
20. key devices as claimed in claim 19, is characterized in that, this second rete is to being formed with the second rete port in light-emitting component place, and this coverlay district deformation structure is arranged in this second rete port.
21. key devices as claimed in claim 16, it is characterized in that, this carrier film district is to having carrier film district deformation structure in light-emitting component place, this carrier film district deformation structure is outstanding downward and lower than this first rete beyond this carrier film district, this light-emitting component is arranged in this carrier film district deformation structure, wherein, this base plate is to being formed with base plate opening in light-emitting component place, and this carrier film district deformation structure is arranged in this base plate opening.
CN201511008399.9A 2015-12-29 2015-12-29 Key device Active CN105448568B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106024471A (en) * 2016-06-16 2016-10-12 苏州达方电子有限公司 Light-emitting keyboard and light-emitting key thereof
CN108878202A (en) * 2018-07-23 2018-11-23 苏州达方电子有限公司 Backlight module and its manufacturing method
CN110010397A (en) * 2019-05-15 2019-07-12 光宝电子(广州)有限公司 Luminous button
CN114464484A (en) * 2018-08-01 2022-05-10 光宝电子(广州)有限公司 Backlight module
US11804343B2 (en) 2018-08-01 2023-10-31 Lite-On Electronics (Guangzhou) Limited Light-emitting keyboard and backlight module

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Publication number Priority date Publication date Assignee Title
JPH05101737A (en) * 1991-10-09 1993-04-23 Chiyoda Integure Kk Light emitting element mounted membrane switch
CN2667559Y (en) * 2003-07-24 2004-12-29 达方电子股份有限公司 Thin film circuit assembly and luminous keyboard utilizing the same film circuit assembly
CN201392756Y (en) * 2009-03-06 2010-01-27 鸿富锦精密工业(深圳)有限公司 Key module of mobile equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05101737A (en) * 1991-10-09 1993-04-23 Chiyoda Integure Kk Light emitting element mounted membrane switch
CN2667559Y (en) * 2003-07-24 2004-12-29 达方电子股份有限公司 Thin film circuit assembly and luminous keyboard utilizing the same film circuit assembly
CN201392756Y (en) * 2009-03-06 2010-01-27 鸿富锦精密工业(深圳)有限公司 Key module of mobile equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106024471A (en) * 2016-06-16 2016-10-12 苏州达方电子有限公司 Light-emitting keyboard and light-emitting key thereof
CN108878202A (en) * 2018-07-23 2018-11-23 苏州达方电子有限公司 Backlight module and its manufacturing method
CN114464484A (en) * 2018-08-01 2022-05-10 光宝电子(广州)有限公司 Backlight module
US11804343B2 (en) 2018-08-01 2023-10-31 Lite-On Electronics (Guangzhou) Limited Light-emitting keyboard and backlight module
CN110010397A (en) * 2019-05-15 2019-07-12 光宝电子(广州)有限公司 Luminous button
US11158470B2 (en) 2019-05-15 2021-10-26 Lite-On Electronics (Guangzhou) Limited Luminous key

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