CN220543789U - Keyboard and electronic equipment - Google Patents

Abstract

The application provides a keyboard and electronic equipment, relates to the technical field of electronic equipment. The keyboard comprises a keyboard module, a backlight module and at least one first through hole; the keyboard module comprises at least one key; the backlight module is provided with at least one light channel, the at least one light channel corresponds to the at least one key one by one, and light beams are transmitted to the keys through the light channels; the first through hole is used for fixing the keyboard module and the backlight module, the inner wall of the first through hole comprises a shading area, and the shading area corresponds to the light guide plate of the backlight module.

Description

Keyboard and electronic equipment

Technical Field

The application relates to the technical field of electronic equipment, in particular to a keyboard and electronic equipment.

Background

With the progress of the technological level, various electronic devices for assisting people in various and living are rapidly being upgraded.

At present, the keyboard structure is changed due to the progress of the process, the upper cover of the keyboard can be directly formed through a numerical control lathe and a casting forming technology, a keyboard support structure is not needed, and further, the mode that a screw column directly grows out of the upper cover to penetrate through the keyboard locking main board is adopted when the upper cover is locked and attached to the main board, and at the moment, a backlight module of the keyboard needs to be perforated to be matched with the screw column.

However, the aperture of the backlight module of the keyboard can affect the light guiding performance of the light guiding plate, and affect the overall light emitting effect of the keyboard.

Disclosure of Invention

The embodiment of the application aims to provide a keyboard and electronic equipment.

In order to solve the technical problems, the embodiment of the application provides the following technical scheme:

a first aspect of the present application provides a keyboard comprising

The keyboard module comprises at least one key;

the backlight module is provided with at least one light channel, the at least one light channel corresponds to the at least one key one by one, and light beams are transmitted to the keys through the light channels;

the keyboard module comprises at least one first through hole, wherein the first through hole is used for fixing the keyboard module and the backlight module, the inner wall of the first through hole comprises a shading area, and the shading area corresponds to a light guide plate of the backlight module.

In some modified embodiments of the first aspect of the present application, the backlight module includes a first light shielding layer, a light guiding plate, and a second light shielding layer that are stacked, the first through hole passes through the first light shielding layer, the light guiding plate, and the second light shielding layer, and an end of the light guiding plate facing the first through hole is at least flush with an end of the first light shielding layer or the second light shielding layer facing the first through hole;

the shading area at least covers one end of the light guide plate, which faces the first through hole.

In some modified embodiments of the first aspect of the present application, the aforementioned keyboard, wherein the light shielding area covers an end of the first light shielding layer facing the first through hole and/or an end of the second light shielding layer facing the first through hole.

In some modified embodiments of the first aspect of the present application, the end of the first light shielding layer facing the first through hole and the end of the second light shielding layer facing the first through hole are flush with the end of the light guide plate facing the first through hole.

In some modified embodiments of the first aspect of the present application, the size of the first light shielding layer along the first direction is smaller than the size of the light guide plate along the first direction, so that the first light shielding layer and the light guide plate form a step in the first through hole; and the light shielding region covers the step;

wherein the first direction is a radial direction of the first through hole.

In some modified embodiments of the first aspect of the present application, the aforementioned keyboard is provided with an adhesive layer between the first light shielding layer and the light guide plate, and between the second light shielding layer and the light guide plate.

In some variations of the first aspect of the present application, the aforementioned keypad, wherein the light-shielding region is prepared by pad printing.

In some modified embodiments of the first aspect of the present application, the keyboard module includes a support plate;

the backlight module is arranged in a stacked mode with the supporting plate, at least one second through hole is formed in the supporting plate, the second through hole and the first through hole are coaxially arranged, and the diameter of the second through hole is smaller than that of the first through hole.

In some modified embodiments of the first aspect of the present application, the second light shielding layer is provided with at least one light-transmitting area, and the light-transmitting area corresponds to the light channel.

A second aspect of the present application provides an electronic device comprising a keyboard as described above.

Compared with the prior art, the keyboard provided by the first aspect of the application can cover and shade the section of the light guide plate through the shading area so as to ensure that the light guide plate cannot have side light leakage, improve the brightness and solve the problem that the light guide performance of the light guide plate is influenced and the overall light emitting effect of the keyboard is influenced by the holes of the prior keyboard backlight module.

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. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings, in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 schematically shows a schematic structural diagram of a keyboard disclosed in the present embodiment;

fig. 2 schematically illustrates a first structural schematic diagram of a backlight module in a keyboard disclosed in this embodiment;

fig. 3 schematically illustrates a second structural schematic diagram of the backlight module in the keyboard disclosed in this embodiment;

fig. 4 schematically illustrates a third structural schematic diagram of the backlight module in the keyboard disclosed in this embodiment;

fig. 5 schematically illustrates a fourth structural diagram of the backlight module in the keyboard disclosed in this embodiment;

reference numerals illustrate: the keyboard module 1, the keys 11, the support plate 12, the second through holes 121, the elastic member 13, the keycaps 14, the backlight module 2, the light channel 21, the light guide plate 22, the first light shielding layer 23, the second light shielding layer 24, the light transmitting region 241, the light source 25, the first through holes 3, the light shielding region 31, the adhesive layer 4 and the first direction a.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure 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 disclosure to those skilled in the art.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.

Example 1

Referring to fig. 1 and 2, the present embodiment provides a keyboard, which includes a keyboard module 1, a backlight module 2, and at least one first through hole 3; the keyboard module 1 comprises at least one key 11; the backlight module 2 has at least one light channel 21, the at least one light channel 21 corresponds to the at least one key 11 one by one, and the light beam is transmitted to the key 11 through the light channel 21; the first through hole 3 is used for fixing the keyboard module 1 and the backlight module 2, the inner wall of the first through hole 3 comprises a shading area 31, and the shading area 31 corresponds to the light guide plate 22 of the backlight module 2.

Specifically, in order to solve the problem that the aperture of the existing keyboard backlight module can influence the light guide performance of the light guide plate therein and influence the overall light emitting effect of the keyboard, this embodiment provides a keyboard, through setting up the first through hole 3 and installing keyboard module 1 and backlight module 2, set up the shading area 31 on the inner wall of the first through hole 3 so as to shelter from the section of the light guide plate 21 in the backlight module 2, avoid light leakage, thereby realize the shading to the section of the light guide plate 21 under the premise of avoiding the inner shrinkage of the light guide plate 21, thereby effectively guaranteeing the light emitting quantity and the light emitting efficiency, and avoiding the light loss from influencing the use experience of the keyboard.

Referring to fig. 1, the keyboard module 1 at least includes a support plate 12, an elastic member 13, and a keycap 14, which are stacked from bottom to top, wherein the support plate 12 is used as a support for the keys 11 and can connect the keys 11 with a main board (not shown), and the support plate 12 is a rigid transparent or light-transmitting board structure; the elastic member 13 is a structure capable of providing a push-down resilience force of the key cap 14, and may be, but not limited to, a scissors foot structure; it can be understood that the key cap 14 cooperates with the elastic member 14 and the support plate 12 at the corresponding position to form a complete key 11, so that the structures of the key 11 and the keyboard module 1 can be easily understood by those skilled in the art, and will not be repeated here; in this embodiment, the keyboard module 1 may be fixedly connected to the motherboard (not shown) by a screw (not shown) extending downward through the backlight module 2 through the first through hole 3.

Referring to fig. 1, a backlight module 2 is disposed under a keyboard module 1 and stacked thereon, and the backlight module 2 provides a light source for the keyboard module 1 to realize light emission at the character positions on the key caps 14 of the keys 11; in this embodiment, the backlight module 2 may include a first light shielding layer 23, a light guiding plate 22 and a second light shielding layer 24 that are stacked, where the second light shielding layer 24 is closer to the keyboard module 1 than the first light shielding layer 23, the first light shielding layer 23 may be simply light-shielded at the bottom and may also have light reflection property on the basis of light shielding, and the second light shielding layer 24 may be light-shielded and needs to have a portion of light-transmitting area to cooperate to form the light channel 21, i.e. the position of the second light shielding layer 24 corresponding to the keycap 14 is set as the light-transmitting area 241, so that the light can be emitted to the keycap 14; the first light shielding layer 23, the second light shielding layer 24 may be, but not limited to, mylar film; the backlight module 2 is further provided with a light source 25, the light source 25 may be disposed at a side of the backlight module 2 as shown in fig. 1 or may be disposed at a side of the first light shielding layer 23 facing the light guiding plate 22, and the light source 25 may be, but is not limited to, an LED; the above arrangement is easily understood by those skilled in the art, and will not be described in detail herein.

The first through hole 3 is used for fixing the keyboard module 1 and the backlight module 2, and then the first through hole 3 needs to pass through the keyboard module 1 and the backlight module 2 at the same time, and then is connected through a screw post, and it can be understood that in the overall arrangement, the keyboard module 1 finally needs to pass through the backlight module 2 through the screw post to be connected to a main board (not shown in the figure), and the arrangement can be easily understood by a person skilled in the art, and redundant description is not made here.

The light-shielding region 31 may be adhered to the cross section of the light guide plate 22, or may be coated or printed with a light-shielding ink, for example: the arrangement of the shading area 31 is completed at one time by pad printing of shading ink, and the shading effect can be ensured with high efficiency.

According to the above-mentioned list, the keyboard that this application provided in the first aspect covers the shading through shading area 31 to the section of light guide plate 22 to guarantee that light guide plate 22 can not appear the problem of side light leak, improve luminance, can solve the trompil of current keyboard backlight unit and can influence the light guide performance wherein light guide plate, influence the holistic problem of light-emitting effect of keyboard.

The term "and/or" is herein merely an association relation describing an associated object, meaning that there may be three relations, e.g. a and/or B, specifically understood as: the composition may contain both a and B, and may contain a alone or B alone, and any of the above three cases may be provided.

Further, referring to fig. 1 and fig. 2, in a specific implementation, the backlight module 2 includes a first light shielding layer 23, a light guiding plate 22, and a second light shielding layer 24 that are stacked, where the first through hole 3 passes through the first light shielding layer 23, the light guiding plate 22, and the second light shielding layer 24, and an end of the light guiding plate 22 facing the first through hole 3 is at least flush with an end of the first light shielding layer 23 or the second light shielding layer 24 facing the first through hole 3; the light shielding region 31 covers at least one end of the light guide plate 22 facing the first through hole 3.

Specifically, in order to realize that the backlight of the backlight module 2 as the keyboard emits light to the keycap 14 side, in this embodiment, the backlight module 2 is configured to include a first light shielding layer 23, a light guide plate 22 and a second light shielding layer 24 that are stacked from bottom to top, where in this embodiment, the first light shielding layer 23 can not only shield light but also reflect light to the second light shielding layer 24 side, and a light transmitting area is disposed on the second light shielding layer 24 corresponding to the keycap 14 to form a light channel 21 in cooperation with the first through hole 3; further, the arrangement of the first through hole 3 may enable the light guide plate 22 to form a cross section in the first through hole 3, and further, the light shielding region 31 in this embodiment at least needs to cover the end face of the Dai Guangban facing the first through hole 31, however, since the thicknesses of the first light shielding layer 23, the light guide plate 22 and the second light shielding layer 24 are smaller, in order to reduce the process difficulty, two or three layers of the light guide plate 22 may be simultaneously arranged with the light shielding region 31; in order to ensure the effective length of the light guide plate 22 and to increase the light output brightness of the keyboard as much as possible, in this embodiment, the end of the light guide plate 22 facing the first through hole 3 may be set flush with the end of the first light shielding layer 23 and/or the second light shielding layer 24 facing the first through hole 3, so as to avoid light loss caused by the inward shrinkage of the light guide plate 22; of course, it is understood that the end of the light guide plate 22 facing the first through hole 3 is flush with the first light shielding layer 23 and/or the end of the second light shielding layer 24 facing the first through hole 3 includes three situations, where the end of the first light guide plate 22 facing the first through hole 3 is flush with the end of the first light shielding layer 23 facing the first through hole 3; second, an end of the light guide plate 22 facing the first through hole 3 is flush with an end of the second light shielding layer 24 facing the first through hole 3; third, the end of the light guide plate 22 facing the first through hole 3 is flush with the ends of the first light shielding layer 23 and the second light shielding layer 24 facing the first through hole 3.

Further, referring to fig. 3, in the keyboard provided in this embodiment, in a specific implementation, the light shielding area 31 covers an end of the first light shielding layer 23 facing the first through hole 3 and/or an end of the second light shielding layer 24 facing the first through hole 3.

Specifically, in order to ensure the light shielding effect of the light shielding region 31 on the cross section of the light guide plate 22, the coverage area of the light shielding region 31 in this embodiment may be enlarged, which is not limited to covering the cross section of the light guide plate 22, but may cover the cross section of the light guide plate 22 and simultaneously cover the cross section of the first light shielding layer 23; the cross section of the light guide plate 22 may be covered while the cross section of the second light shielding layer 24 is covered; it is also possible to cover the cross section of the light guide plate 22 and the cross sections of the first light shielding layer 23 and the second light shielding layer 24.

Further, in the keyboard provided in this embodiment, in a specific implementation, an end of the first light shielding layer 23 facing the first through hole 3 and an end of the second light shielding layer 24 facing the first through hole 3 are flush with an end of the light guide plate 22 facing the first through hole 3.

Specifically, for convenience in setting, in this embodiment, the end of the first light shielding layer 23 facing the first through hole 3 and the end of the second light shielding layer 24 facing the first through hole 3 may be both set to be flush with the end of the light guide plate 22 facing the first through hole 3, that is, the first through hole 3 is equal in size from top to bottom, so that when the preparation of the light shielding area 31 is performed, the coating or pad printing can be completed once on the premise of no step and no step difference, and the preparation efficiency and the product effectiveness are ensured.

Further, referring to fig. 4, in the keyboard provided in this embodiment, in an implementation, a dimension of the first light shielding layer 23 along the first direction a is smaller than a dimension of the light guiding plate 22 along the first direction a, so that the first light shielding layer 23 and the light guiding plate 22 form a step in the first through hole 3; and the light shielding region 31 covers the step; wherein the first direction a is a radial direction of the first through hole 3.

Specifically, in order to match with the shift print head, in this embodiment, the size of the first light shielding layer 23 along the first direction a is smaller than the size of the light guiding plate 22 along the first direction a, so that the first light shielding layer 23 and the light guiding plate 22 form steps in the first through hole 3, that is, the sections of the first light shielding layer 23, the light guiding plate 22 and the second light shielding layer 24 form steps similar to a trapezoid in the first through hole 3, and the steps are matched with the shape of the shift print head, so that when the shift print of the light shielding area 31 is performed, the high matching performance can be ensured, the preparation efficiency is greatly improved, and the light shielding effect is effectively ensured.

Further, referring to fig. 5, in the keyboard provided in this embodiment, in an implementation, an adhesive layer 4 is disposed between the first light shielding layer 23 and the light guiding plate 22, and between the second light shielding layer 24 and the light guiding plate 22.

Specifically, in order to ensure the stability of the inside of the backlight module 2, in this embodiment, the first light shielding layer 23 and the light guide plate 22, the second light shielding layer 24 and the light guide plate 22 are both provided with the adhesive layer 4, and the adhesive layer 4 has adhesion, so that the first light shielding layer 23 and the light guide plate 22 can be adhered, the second light shielding layer 24 and the light guide plate 22 are adhered, the stability of the inside of the backlight module 2 is ensured, and the relative movement among the first light shielding layer 23, the light guide plate 22 and the second light shielding layer 24 is avoided, so that the light leakage problem is caused.

Further, referring to fig. 1 and 2, in the embodiment of the keyboard provided in this embodiment, the keyboard module 1 includes a support plate 12; the backlight module 2 and the support plate 12 are stacked, at least one second through hole 121 is formed in the support plate 12, the second through hole 121 and the first through hole 3 are coaxially arranged, and the diameter of the second through hole 121 is smaller than that of the first through hole 3.

Specifically, in order to fix the keyboard module 1 and the backlight module 2 or the motherboard (not shown in the figure), in this embodiment, the support plate 12 of the keyboard module 1 needs to be correspondingly perforated, that is, the second through hole 121, so that the screw post can be connected to the keyboard module 1; correspondingly, in order to match the backlight module 2, the second through hole 121 on the support plate 12 is coaxial with the first through hole 3, and the shapes of the two through holes are not limited herein, and may be circular holes or holes with other shapes, so long as the two through holes can be matched with the screw posts. Meanwhile, in order to improve the installation convenience of the keyboard module 1, in this embodiment, the diameter of the second through hole 121 is set to be smaller than the diameter of the first through hole 3, and then when the screw post on the keyboard module 1 needs to pass through the first through hole 3 to be matched with the backlight module 2, the requirement of the position accuracy is lower, and the installation tolerance is reserved, so that the installation convenience is greatly improved, and the installation difficulty is reduced.

Further, referring to fig. 1, in an embodiment of the keyboard provided in this embodiment, at least one light-transmitting region 241 is disposed on the second light-shielding layer 24, and the light-transmitting region 241 corresponds to the light channel 21.

Specifically, in order to realize the light emission of the backlight module 2 relative to the keyboard module 1, in this embodiment, a plurality of light-transmitting areas 241 are disposed on the second light-shielding layer 24, that is, the positions corresponding to the key caps 14 in the direction perpendicular to the layer surface of the second light-shielding layer 24 are all disposed as light-transmitting areas 241, so that the light emitted by the light guide plate 22 can be emitted to the key caps 14 through the light-transmitting areas 241; it should be understood that, in the present embodiment, the first through hole 3 may also be a position overlapping with the light-transmitting region 241, so that the cross section of the light guide plate 22 in the first through hole 3 does not need to be covered by the light-shielding region 31.

Example 2

The embodiment provides an electronic device, which comprises the keyboard.

Specifically, the keyboard is the keyboard described in embodiment 1, and the structure and the working principle thereof are described with reference to embodiment 1, and are not described in detail herein. Moreover, the electronic device in the present embodiment may be, but not limited to, a computer, a notebook computer, a server, etc.,

the foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by 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 keyboard, comprising:

the keyboard module comprises at least one key;

the backlight module is provided with at least one light channel, the at least one light channel corresponds to the at least one key one by one, and light beams are transmitted to the keys through the light channels;

the keyboard module comprises at least one first through hole, wherein the first through hole is used for fixing the keyboard module and the backlight module, the inner wall of the first through hole comprises a shading area, and the shading area corresponds to a light guide plate of the backlight module.

2. A keyboard as claimed in claim 1, wherein:

the backlight module comprises a first shading layer, a light guide plate and a second shading layer which are arranged in a stacked mode, wherein the first through hole penetrates through the first shading layer, the light guide plate and the second shading layer, and one end of the light guide plate, which faces the first through hole, is at least flush with one end of the first shading layer or the second shading layer, which faces the first through hole;

the shading area at least covers one end of the light guide plate, which faces the first through hole.

3. A keyboard as claimed in claim 2, wherein:

the light shielding region covers one end of the first light shielding layer facing the first through hole and/or one end of the second light shielding layer facing the first through hole.

4. A keyboard as claimed in claim 2, wherein:

one end of the first shading layer facing the first through hole and one end of the second shading layer facing the first through hole are flush with one end of the light guide plate facing the first through hole.

5. A keyboard as claimed in claim 2, wherein:

the size of the first shading layer along the first direction is smaller than that of the light guide plate along the first direction, so that steps are formed in the first through holes by the first shading layer and the light guide plate; and the light shielding region covers the step;

wherein the first direction is a radial direction of the first through hole.

6. A keyboard as claimed in claim 2, wherein:

and adhesive layers are arranged between the first shading layer and the light guide plate and between the second shading layer and the light guide plate.

7. A keyboard as claimed in claim 1, wherein:

the light-shielding region is prepared by pad printing.

8. A keyboard as claimed in claim 1, wherein:

the keyboard module comprises a supporting plate;

the backlight module is arranged in a stacked mode with the supporting plate, at least one second through hole is formed in the supporting plate, the second through hole and the first through hole are coaxially arranged, and the diameter of the second through hole is smaller than that of the first through hole.

9. A keyboard as claimed in claim 2, wherein:

at least one light transmission area is arranged on the second shading layer, and the light transmission area corresponds to the light channel.

10. An electronic device, comprising:

a keyboard as claimed in any one of claims 1 to 9.