CN221176047U - Key, keyboard and electronic equipment - Google Patents
Key, keyboard and electronic equipment Download PDFInfo
- Publication number
- CN221176047U CN221176047U CN202322654766.9U CN202322654766U CN221176047U CN 221176047 U CN221176047 U CN 221176047U CN 202322654766 U CN202322654766 U CN 202322654766U CN 221176047 U CN221176047 U CN 221176047U
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- light source
- key
- light
- bottom plate
- key cap
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 71
- 239000002184 metal Substances 0.000 claims abstract description 71
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000011889 copper foil Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 106
- 239000010409 thin film Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000741 silica gel Substances 0.000 description 6
- 229910002027 silica gel Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Push-Button Switches (AREA)
Abstract
The application provides a key, a keyboard and electronic equipment, and relates to the technical field of electronic equipment. Wherein the button includes: the key cap comprises a key cap body, a metal bottom plate and a light source assembly, wherein the metal bottom plate is arranged below the key cap body and is provided with a first surface facing the direction of the key cap body and a second surface opposite to the first surface; the light source component is arranged on the first surface or the second surface of the metal bottom plate and is used for emitting light so that the light of the light source component is conducted to the key cap.
Description
Technical Field
The present application relates to the field of electronic devices, and in particular, to a key, a keyboard, and an electronic device.
Background
Currently, in order to facilitate the user to identify the keys on the notebook, the identification of the key surface needs to be displayed.
A flexible circuit board is arranged in the key, a light source is arranged on the flexible circuit board, and light emitted by the light source is refracted to a keycap of the key so as to realize display of marks on the keycap. The flexible circuit board is expensive, the cost of the key is greatly increased, the height of the system can be piled up, the whole thickness is thicker, and the limit of the system design is very large.
Disclosure of utility model
The embodiment of the application aims to provide a key, a keyboard and electronic equipment.
In order to solve the technical problems, the embodiment of the application provides the following technical scheme:
The first aspect of the present application provides a key, comprising:
A key cap;
The metal bottom plate is arranged below the key cap and provided with a first surface facing the direction of the key cap and a second surface opposite to the first surface;
The light source assembly is arranged on the first surface or the second surface of the metal bottom plate and used for emitting light so that the light of the light source assembly is conducted to the key cap.
In some modified embodiments of the first aspect of the present application, the light source assembly is disposed on the first surface of the metal base plate, and the light source assembly emits light toward the key cap through the first backlight assembly, so that the light is transmitted to the key cap.
In some modified embodiments of the first aspect of the present application, the light source assembly is disposed on the second surface of the metal base plate, and the light source assembly emits light toward the key cap through the second backlight assembly, so that the light is transmitted to the key cap.
In some variations of the first aspect of the present application, the light source assembly includes:
the power supply layer is used for supplying power;
The light source body is electrically connected with the power supply layer to receive power supply of the power supply layer.
In some variations of the first aspect of the present application, the light source assembly further comprises:
The first insulating layer is arranged between the power supply layer and the metal bottom plate;
The second insulating layer is arranged on one surface, far away from the metal bottom plate, of the power supply layer.
In some modified embodiments of the first aspect of the present application, the metal bottom plate has a hollowed-out area and a non-hollowed-out area, and the light source component is disposed in the non-hollowed-out area on the metal bottom plate;
When the light source component is arranged on the second surface of the metal bottom plate, light rays emitted by the light source component are transmitted to the keycap through the hollowed-out area.
In some modified embodiments of the first aspect of the present application, the power supply layer is copper foil, and electronic circuits are etched on the power supply layer to supply power to the light source body.
In some modified embodiments of the first aspect of the present application, the key cap has a light-permeable graphic identifier thereon, and the key can display the graphic identifier on the key cap based on the light emitted by the light source assembly, where the graphic identifier is made of a light-permeable material.
The second aspect of the present application provides a keyboard, which includes the above-mentioned keys, and thus includes all the technical features and advantageous technical effects of the above-mentioned keys, which are not described herein.
A third aspect of the present application provides an electronic device, including a keyboard as described above, and therefore includes all the technical features and advantageous technical effects of the keyboard as described above, which are not described herein.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, wherein like or corresponding reference numerals indicate like or corresponding parts, there are shown by way of illustration, and not limitation, several embodiments of the application, in which:
Fig. 1 schematically shows a schematic structural diagram of a key according to the present application;
FIG. 2 schematically illustrates a schematic structure of another key according to the present application;
FIG. 3 schematically illustrates a schematic structure of still another key according to the present application;
FIG. 4 schematically shows a schematic structural diagram of a further key according to the present application;
FIG. 5 schematically illustrates a schematic structure of a further key according to the present application;
FIG. 6 is an exploded view of the corresponding key of FIG. 4;
fig. 7 is an exploded view schematically showing still another key structure provided by the present application.
Reference numerals illustrate:
The key comprises a key 1, a key cap 10, a metal bottom plate 11, a hollowed-out area 111, a non-hollowed-out area 112, a light source assembly 12, a power supply layer 121, a light source body 122, a first insulating layer 123, a second insulating layer 124, a first backlight assembly 13, a first light shielding layer 131, a first light guiding layer 132, a first reflecting layer 133, a second backlight assembly 14, a second light shielding layer 141, a second light guiding layer 142, a second reflecting layer 143, a thin film circuit 15, a first layer 151, a second layer 152, a protective layer 16, a silica gel switch 17 and a scissor 18.
Detailed Description
Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.
As shown in fig. 1 to 7, the present application provides a key 1 including:
A key cap 10, a metal bottom plate 11 and a light source assembly 12, wherein the metal bottom plate 11 is arranged below the key cap 10, and the metal bottom plate 11 is provided with a first surface facing the direction of the key cap 10 and a second surface opposite to the first surface; the light source assembly 12 is disposed on the first surface or the second surface of the metal base plate 11, and the light source assembly 12 is configured to emit light, so that the light of the light source assembly 12 is transmitted to the key cap 10.
The key 1 provided by the embodiment of the application comprises a key cap 10, a metal bottom plate 11 and a light source component 12, wherein the key cap 10 is arranged at the top of the key 1, the metal bottom plate 11 and the light source component 12 are arranged below the key cap, the light source component 12 is used for emitting light, the metal bottom plate 11 is provided with a first surface and a second surface, the first surface is arranged towards the key cap 10, the second surface is arranged away from the key cap 10, the light source component 12 can be arranged on the first surface of the metal bottom plate 11 and can also be arranged on the second surface of the metal bottom plate 11, and the emitted light can be transmitted to the key cap 10 above the metal bottom plate 11 no matter the light source component 12 is arranged on the first surface or the second surface, so that graphic marks on the key cap 10 are displayed, a user can recognize and distinguish different keys 1 according to the image marks, and the user is convenient to use the key 1. Compared with the related art, the key 1 provided by the application has the advantages that the arrangement of the flexible circuit board is eliminated, and the light source component 12 is arranged on the metal bottom plate 11, so that the cost of the key 1 is saved, and the overall thickness of the key 1 is reduced.
As shown in fig. 1, in one embodiment of the present application, the key 1 includes a key cap 10, a first backlight assembly 13, a light source assembly 12 and a metal base plate 11 sequentially disposed along a height direction, the first backlight assembly 13, the light source assembly 12 and the metal base plate 11 are disposed under the key cap 10, the light source assembly 12 is disposed on a first surface of the metal base plate 11 facing the key cap 10, the first backlight assembly 13 is disposed on a side of the light source assembly 12 facing the key cap 10, the light source assembly 12 emits light toward the key cap 10, the light is transmitted to the first backlight assembly 13, the first backlight assembly 13 includes a first reflective layer 133, a first light guide layer 132 and a first light shielding layer 131 sequentially disposed, a first groove corresponding to the light source assembly 12 is disposed on the first reflective layer 133, the light source body 122 extends into the first groove, so that most of the light emitted from the light source assembly 12 is directly emitted to the first light guide layer 132 to be refracted, a small part of light emitted by the light source component 12 is emitted onto the first reflecting layer 133, the part of light enters the first light guide layer 132 for refraction after being reflected by the first reflecting layer 133, the light after being refracted by the first light guide layer 132 is uniformly distributed, the refracted light enters the first shading layer 131, a shading area and a non-shading area are arranged on the first shading layer 131, the non-shading area is a transparent film layer, the shading area is a black area and is used for absorbing the light, the corresponding area around the keycap 10 is arranged as a shading area, the light is filtered through the first shading layer 131, the light is only transmitted to the area corresponding to the keycap 10, the keycap 10 is provided with a transparent graphic mark, the graphic mark can be better displayed on the keycap 10 by the irradiation of the light, so that the user can identify and distinguish different keys 1 according to the image identification, and the use of the keys 1 by the user is facilitated.
As shown in fig. 2 and 3, in another embodiment of the present application, the key 1 includes a key cap 10, a light source assembly 12 and a metal bottom plate 11 sequentially disposed along a height direction, the first surface of the metal bottom plate 11 facing the key cap 10 is provided with the light source assembly 12, the light source assembly 12 emits light toward the key cap 10, and the light can directly irradiate onto the key cap 10, and the key cap 10 is provided with a light-permeable graphic mark, so that the graphic mark can be better displayed on the key cap 10 due to irradiation of the light, so that a user can identify and distinguish different keys 1 according to the image mark, and the use of the key 1 by the user is facilitated. And in this embodiment, the arrangement of the first backlight assembly 13 is reduced, the cost is reduced, and the thickness of the key 1 can be reduced.
As shown in fig. 4 to 7, in still another embodiment of the present application, the key 1 includes a key cap 10, a metal bottom plate 11, a light source assembly 12 and a second backlight assembly 14 sequentially disposed along a height direction, the light source assembly 12 is disposed on a second surface of the metal bottom plate 11 facing away from the key cap 10, the light source assembly 12 emits light toward the direction facing away from the key cap 10, the light is transmitted to the second backlight assembly 14, the second backlight assembly 14 includes a second reflective layer 143, a second light guide layer 142 and a second light shielding layer 141 sequentially disposed, a second groove and a third groove corresponding to the light source assembly 12 are disposed on the second reflective layer 143 and the second light guide layer 142, the light source assembly 12 extends into the second groove and the third groove, so that one end of the light source assembly 12 is disposed on the second light shielding layer 141, the second light shielding layer 141 is provided with a shielding region and a non-shielding region, the non-shielding region is a transparent film layer, the non-shielding region is a black region for absorbing the light, and an edge region of the key cap 10 is disposed as a shielding region, thereby transmitting the light only to the key cap 10 through the second light shielding layer 141. And the light that the light source subassembly 12 sent mostly can transmit to the second light guide layer 142 and refract, and little light can get into the second reflection stratum 143 and reflect, in order to reflect and get into the second light guide layer 142, carry out the equipartition with light through the refraction of second light guide layer 142, then the light that the refraction of second light guide layer 142 can be transmitted to the key cap through the non-fretwork region of metal bottom plate, the graphic mark that can be printing opacity has on the key cap 10, thereby the illumination of light can make the graphic mark show on the key cap 10 better, so that the user discerns and distinguishes different button 1 according to the image mark, the user has made things convenient for the use of button 1.
In the embodiment of the present application, the graphic mark on the key cap 10 may be a letter or a pattern for distinguishing the key 1, and the graphic mark is made of a light-transmitting material.
In the embodiment of the application, the light source assembly 12 is arranged on the metal bottom plate 11, and the backlight assembly is correspondingly arranged, so that the flexible circuit board in the related art can be removed, the flexible circuit board in the related art protrudes from the bottom plane of the key 1 by 0.3 mm-0.4 mm, and the thickness of the key 1 is reduced by removing the flexible circuit board. In addition, a light source is arranged on the flexible circuit board, in order to ensure light effect, the flexible circuit board needs to extend from one end of the key 1 along the transverse direction to the other end, electronic elements such as a battery in electronic equipment need to be avoided, otherwise, the height of the key 1 is piled up, so that the difficulty of designing the electronic elements such as the battery in the electronic equipment is caused. And the size of the battery can be increased, so that the capacity of the battery is improved, and the standby time of the electronic equipment is prolonged.
As shown in fig. 1 to 7, in the embodiment of the present application, the light source assembly 12 includes the power supply layer 121 and the light source body 122, the power supply layer 121 and the light source body 122 are both disposed on the first surface or the second surface of the metal base plate 11, so that power supply to the light source body 122 is ensured, the metal base plate 11 has a hollowed-out area and a non-hollowed-out area, the power supply layer 121 can be disposed on the non-hollowed-out area of the metal base plate 11, and the light source body 122 is connected to the power supply layer 121, thereby avoiding limitation of the flexible circuit board to the light source setting position in the related art. Therefore, the key 1 provided by the application reduces the limitation on the position of the light source component 12, and further improves the light efficiency of the light source.
In the embodiment of the present application, since the light source body is disposed at a wider position, the light source body 122 may be an LED or a Mini LED, so that the Mini LED may replace the LED in the related art.
As shown in fig. 7, in the embodiment of the present application, the light source assembly 12 includes a first insulating layer 123, a power supply layer 121, a second insulating layer 124 and a light source body 122, that is, the first insulating layer 123, the power supply layer 121, the second insulating layer 124 and the light source body 122 are sequentially disposed on the first surface or the second surface of the metal base plate 11, the first insulating layer 123 is disposed on the first surface or the second surface of the metal base plate 11, the power supply layer 121 is disposed on the first insulating layer 123, and after the power supply layer 121 is formed, the second insulating layer 124 is covered on the power supply layer 121, so that the power supply layer 121 is protected by the first insulating layer 123 and the second insulating layer 124, and meanwhile, the metal base plate 11 is prevented from affecting the power supply layer 121. And the second insulating layer 124 is provided with a through hole corresponding to the light source body 122, so that the light source body 122 can pass through the through hole and be connected with the power supply layer 121, and the power supply layer 121 supplies power to the light source body 122, and the light source body 122 emits light after being electrified.
As shown in fig. 6, in the embodiment of the present application, the metal bottom plate 11 has a hollowed-out area and a non-hollowed-out area, the light source assembly 12 is disposed on the non-hollowed-out area of the metal bottom plate 11, that is, the power supply layer 121, the light source body 122, the first insulating layer 123 and the second insulating layer 124 are disposed on the non-hollowed-out area of the metal bottom plate 11, so that the power supply layer 121, the light source body 122, the first insulating layer 123 and the second insulating layer 124 can be fixed on the metal bottom plate 11, and the hollowed-out area of the metal bottom plate 11 is not blocked, so that when the light source assembly 12 is disposed on the second surface of the metal bottom plate 11, the light emitted by the light source assembly 12 can be transmitted to the key cap 10 on the first surface side of the metal bottom plate 11 through the hollowed-out area of the metal bottom plate 11 after being guided by the second backlight assembly 14.
As shown in fig. 7, in the embodiment of the present application, when the power supply layer 121 disposed on the first surface or the second surface of the metal base plate 11 is made of copper foil, the first insulating layer 123 is attached to the metal base plate 11, then the copper foil is attached to the first insulating layer 123, then the electronic circuit is etched on the copper foil, then the second insulating layer 124 is attached to the etched copper foil, then the copper foil and the corresponding insulating layer in other parts except the electronic circuit are removed, thereby completing the arrangement of the power supply layer 121 on the metal base plate 11, further reducing the thickness of the key, and the thermal conductivity coefficient of copper is 10 times that of stainless steel, 2-3 times that of aluminum, so that the thermal conductivity effect of the power supply layer 121 disposed through the copper foil is good, and the power supply layer 121 is disposed on the metal base plate 11, thereby the heat dissipation effect of the metal base plate 11 can be improved.
In the embodiment of the application, as shown in fig. 6, the key 1 further comprises a thin film circuit 15, a silica gel switch 17 and a scissor frame 18, the silica gel switch 17 is arranged below the key cap 10, the scissor frame 18 is arranged below the silica gel switch 17, the silica gel switch 17 is fixed at the center of the scissor frame 18, the silica gel switch 17 is used for supporting the key cap 10 and transmitting the pressure on the key cap 10 to the thin film circuit 15 below the scissor frame 18, so that the thin film circuit 15 realizes the function of the key 1, the metal bottom plate 11 is also arranged below the scissor frame 18, and the scissor frame 18 is used for connecting the key cap 10 and the metal bottom plate 11. As shown in fig. 2 and 4, the thin film circuit 15 may be disposed on the first surface or the second surface of the metal base plate 11, so that the first surface and the second surface of the metal base plate 11 are provided with the thin film circuit 15 and the power supply layer 121, respectively; the thin film circuit 15 may be stacked on the same surface side of the metal base plate 11 as the power supply layer 121. In addition, as shown in fig. 1 and 5, the thin film circuit 15 may also be etched on the first surface or the second surface of the metal base plate 11, so that the thin film circuit 15 is integrated on the metal base plate 11 to further reduce the thickness of the key 1.
In this embodiment, the thin film circuit 15 includes a first layer 151, a second layer 152 and a third layer, where the first layer 151 and the third layer each have an electronic circuit structure, and the second layer 152 is a separation layer between the first layer 151 and the third layer, as shown in fig. 2 and 4, and the thin film circuit 15 may integrate the first layer 151, the second layer 152 and the third layer into a single thin film circuit 15; as shown in fig. 3, the electronic circuit on the third layer may also be etched on the metal base plate 11, and then the first layer 151 and the second layer 152 may be disposed as a whole on the side of the metal base plate 11 having the circuit of the third layer, thereby reducing the thickness of the key 1.
In the embodiment of the present application, the protection layer 16 may be further disposed at the lowest part of the key 1, and the protection layer 16 may be a waterproof layer or an insulating layer, so as to protect the key 1.
On the other hand, the application also provides a keyboard comprising the keys, so that all technical features and beneficial technical effects of the keys are included, and are not repeated herein.
In still another aspect, the present application further provides an electronic device, including the keyboard as described above, so that all technical features and advantageous technical effects of the keyboard as described above are included, which are not described herein.
The electronic equipment comprises a keyboard, the keyboard comprises a plurality of keys, a flexible circuit board in the related technology is removed, a light source assembly comprising a power supply layer and a light source body is arranged on a metal bottom plate, so that light can be emitted, and a first backlight assembly and a second backlight assembly corresponding to the light source assembly are arranged to conduct the light to a keycap, so that a light-transmitting graphic mark on the keycap is displayed. According to the application, the flexible circuit board is removed, so that the cost can be saved, the thickness of the key can be reduced, and the luminous effect can be improved.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A key, comprising:
A key cap;
The metal bottom plate is arranged below the key cap and provided with a first surface facing the direction of the key cap and a second surface opposite to the first surface;
The light source assembly is arranged on the first surface or the second surface of the metal bottom plate and used for emitting light so that the light of the light source assembly is conducted to the key cap.
2. The key according to claim 1, wherein,
The light source component is arranged on the first surface of the metal bottom plate, and emits light to the direction of the key cap through the first backlight component so that the light is conducted to the key cap.
3. The key according to claim 1, wherein,
The light source component is arranged on the second surface of the metal bottom plate, and emits light to the direction of the key cap through the second backlight component so that the light is conducted to the key cap.
4. A key according to any one of claims 1 to 3, wherein the light source assembly comprises:
the power supply layer is used for supplying power;
The light source body is electrically connected with the power supply layer to receive power supply of the power supply layer.
5. The key of claim 4, wherein the light source assembly further comprises:
The first insulating layer is arranged between the power supply layer and the metal bottom plate;
The second insulating layer is arranged on one surface, far away from the metal bottom plate, of the power supply layer.
6. The key according to claim 4, wherein,
The metal bottom plate is provided with a hollowed-out area and a non-hollowed-out area, and the light source assembly is arranged in the non-hollowed-out area of the metal bottom plate;
When the light source component is arranged on the second surface of the metal bottom plate, light rays emitted by the light source component are transmitted to the keycap through the hollowed-out area.
7. The key according to claim 4, wherein,
The power supply layer is copper foil, and an electronic circuit is etched on the power supply layer and is used for supplying power to the light source body.
8. The key according to claim 1, wherein,
The key cap is provided with a light-transmitting graphic mark, the key can display the graphic mark on the key cap based on the light emitted by the light source assembly, and the graphic mark is made of a light-transmitting material.
9. A keyboard comprising a key as claimed in any one of claims 1 to 8.
10. An electronic device comprising the keyboard of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322654766.9U CN221176047U (en) | 2023-09-28 | 2023-09-28 | Key, keyboard and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322654766.9U CN221176047U (en) | 2023-09-28 | 2023-09-28 | Key, keyboard and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221176047U true CN221176047U (en) | 2024-06-18 |
Family
ID=91442481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322654766.9U Active CN221176047U (en) | 2023-09-28 | 2023-09-28 | Key, keyboard and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221176047U (en) |
-
2023
- 2023-09-28 CN CN202322654766.9U patent/CN221176047U/en active Active
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