CN115966426A - Luminous keyboard - Google Patents

Abstract

The invention relates to a luminous keyboard which comprises a plurality of key assemblies, an illumination module and a disinfection module, wherein the plurality of key assemblies respectively comprise keycaps, each keycap is provided with at least one character area, and adjacent keycaps are separated by a gap area. The lighting module is arranged below the key assembly and used for projecting lighting rays to penetrate through the character area in the operation mode. The disinfection module is arranged below the key assembly and used for projecting disinfection light rays in a disinfection mode, the disinfection light rays respectively penetrate through the character area and/or the gap area and reach the key covering piece, and the disinfection light rays are reflected to the upper surface of the keycap by the key covering piece. The luminous keyboard highly integrates the disinfection module, the key assembly and the illumination module, so that the luminous keyboard can respectively have two different functions of illumination and disinfection in different modes.

Description

Luminous keyboard

Technical Field

The present disclosure relates to light emitting keyboards, and particularly to a light emitting keyboard with a sterilizing function.

Background

In recent years, computer users have come to have a need to regularly sterilize keyboards due to pneumovirus abuse worldwide. Alcohol spraying is a common disinfection mode during an epidemic situation, but implementation frequency and disinfection are sufficient or not depending on disinfection habits and epidemic prevention awareness of users, and may not be enough to completely avoid virus survival on a keyboard. In addition, alcohol is a common organic solvent, and a paint layer on the surface of the keyboard may be dissolved by the alcohol, so that characters and symbols on the keys cannot be identified, or the surface of the keyboard is mottled to affect the appearance.

The use of an ultraviolet light fixture is another way of disinfection. A common method is to dispose an ultraviolet lamp directly above the keyboard, and to perform irradiation disinfection on the upper surface of the keyboard with ultraviolet light. However, the ultraviolet disinfection efficacy depends on the irradiation area, the luminous wattage and the irradiation time, and the ultraviolet lamp cannot disinfect different device surfaces (such as a keyboard, a touch screen and the like) of a user at one time.

Disclosure of Invention

Therefore, an object of the present invention is to provide a light-emitting keyboard with a sterilization function to solve the above problems.

According to one aspect of the present invention, a light-emitting keyboard covered by a key cover in a sterilization mode comprises:

each key assembly comprises a key cap, each key cap is provided with at least one character area, and two adjacent key caps are separated by a gap area;

the lighting module is arranged below the plurality of key assemblies and comprises a plurality of lighting light sources, the lighting light sources provide lighting rays of visible light under an operation mode, and the lighting rays respectively penetrate through the plurality of character areas; and

the disinfection module is arranged below the plurality of key assemblies and comprises a plurality of disinfection light sources, the disinfection light sources provide disinfection light under a disinfection mode, the disinfection light respectively penetrates through the plurality of character areas and/or the plurality of clearance areas to reach the key covering piece, and the disinfection light is reflected to the upper surfaces of the plurality of key caps by the key covering piece.

As an optional technical solution, the plurality of disinfection light sources and the plurality of illumination light sources are respectively located under the plurality of keycaps and/or under the plurality of gap areas.

As an optional technical solution, the disinfection light is reflected between the upper surfaces of the plurality of keycaps and the key cover piece, and reaches a sub-disinfection area, and the sub-disinfection area is located on the key cover piece and outside the orthographic projection of the light-emitting keyboard.

As an optional technical solution, the light-emitting keyboard is disposed in a housing, the housing has a palm rest area, the palm rest area is juxtaposed with the light-emitting keyboard, the palm rest area faces the key covering member in the sterilization mode, and the sterilization light is reflected between the upper surfaces of the plurality of keycaps and the key covering member and reaches the palm rest area.

As an optional technical solution, the mobile phone further comprises a thin film circuit, the thin film circuit is disposed below the plurality of key assemblies, and the sterilizing light passes through the thin film circuit and passes out of the plurality of character areas and/or the plurality of gap areas.

As an optional technical solution, the lighting module further comprises a light guide plate, and the lighting light is transmitted to the lower part of each keycap through the light guide plate and then transmitted to each character area upwards.

As an optional technical scheme, the illumination module is stacked above the disinfection module, and the disinfection light source penetrates or passes through the illumination module.

As an optional technical solution, the portable sterilizing device further comprises a bottom plate, the bottom plate is located between the plurality of key assemblies and the sterilizing module, wherein the sterilizing light source is not higher than the lower surface or the upper surface of the bottom plate.

As an optional technical solution, each of the keycaps and/or the gap area includes at least one semi-through area, the semi-through area shields the illumination light, but the disinfection light can pass through the semi-through area.

As an optional technical solution, the key cover includes a first key cover and a second key cover which are separable, and the sterilizing light passes through the plurality of character areas and/or the plurality of gap areas to reach the first key cover or the second key cover.

As an optional technical solution, each key assembly includes an invisible light gain material.

In summary, the light-emitting keyboard of the present invention is mainly characterized in that the disinfection module is highly integrated with the key assembly and the illumination module, so that when the light-emitting keyboard is covered by the key covering member in the disinfection mode, the disinfection light can be emitted from the character area, the gap area or the half-through area, and the disinfection light can be reflected back and forth between the key covering member and the key cap (the key assembly), between the key covering member and the casing (the gap frame/the upper surface of the casing), so that the disinfection light irradiation range can cover the key cap/the key assembly, the casing (at least including the gap frame/the palm rest area) and the key covering member (at least including the main disinfection area/the sub-disinfection area), thereby effectively sterilizing and disinfecting the light-emitting keyboard, the casing and the key covering member. In contrast, when the light-emitting keyboard is in the operation mode, the illumination module provides illumination light to emit light from the character area of the keycap. Therefore, the illuminating light and the disinfecting light can emit light by utilizing a common light path (a character area, a gap area or a semi-through area), and two different effects of illumination and disinfection can be achieved at different times (modes).

The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.

Drawings

FIG. 1 is a schematic perspective view of a user equipment according to a first embodiment of the present invention;

FIG. 2 is a schematic side view of a user device according to a first embodiment of the present invention;

FIG. 3 is a schematic top view of a portion of a light-emitting keyboard according to a first embodiment of the present invention;

FIG. 4 isbase:Sub>A schematic sectional view taken along line A-A in FIG. 3;

FIG. 5 is a cross-sectional view of the illuminated keyboard in a sterilization mode;

FIG. 6 is a partial top view of a light emitting keyboard according to a second embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view taken along line B-B in FIG. 6;

FIG. 8 is a cross-sectional view of the illuminated keyboard in a sterilization mode;

FIG. 9 is a partial top view of a light-emitting keyboard according to a third embodiment of the present invention;

FIG. 10 is a schematic view of key position brightness according to a third embodiment of the present invention;

FIG. 11 is a cross-sectional view of a light-emitting keyboard according to a fourth embodiment of the present invention;

FIG. 12 is a cross-sectional view of a light-emitting keyboard according to a fifth embodiment of the present invention;

fig. 13 is an exploded perspective view of a user device according to a sixth embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 4, in a first embodiment of the present invention, a user device 100 is a notebook computer, which includes a cover 21, a screen 22, a housing 11, a light-emitting keyboard 1 and a main board (not shown). The cover 21 is integrated with the screen 22, the cover 21 is pivotally connected to the housing 11, and the screen 22 can be a general display or a touch screen. The light-emitting keyboard 1 and the main board are disposed in the housing 11. The main board is hidden in the casing 11, the light-emitting keyboard 1 is partially exposed on the upper surface of the casing 11, the casing 11 further has a palm rest area 113 parallel to the light-emitting keyboard 1, and the upper surface of the palm rest area 113 can be coplanar or parallel to the geometric center connecting line of the plurality of key assemblies 15. In the present invention, the key cover 2 is an element for covering the light-emitting keyboard 1. For example, when the cover 21 is covered with the upper surface of the housing 11, the screen 22 may cover the light-emitting keyboard 1 as the key cover 2, and may cover the light-emitting keyboard 1 alone; in other embodiments, the cover 21 and the screen 22 may also cover a portion of the light-emitting keyboard 1, respectively, and the key cover 2 is implemented by the cover 21 and the screen 22 together.

In this embodiment, the upper surface of the casing 11 has a plurality of key holes 112, and a gap frame 111 is formed between adjacent key holes 112. In some embodiments, the bezel 111 is not provided, and the housing 11 is provided with only a single key hole 112 around the outer periphery of all of the plurality of key assemblies 15. When the upper surface of the housing 11 is provided with a plurality of key holes 112, the gap frame 111 surrounds the key assembly 15 and the key caps 152, so that the gap frame 111 forms a porous net structure as a whole.

The light-emitting keyboard 1 includes a plurality of key assemblies 15, a thin film circuit 14, a bottom plate 16, a lighting module 12 and a driving circuit board 131. Each key assembly 15 includes a key cap 152, a lifting mechanism 151, and a triggering structure 153. The key caps 152 extend through the key holes 112 and the gap frame 111 and are located at a uniform height, and all the key caps 152 are disposed opposite to the bottom plate 16. The elevating mechanism 151 is disposed between the key cap 152 and the base plate 16, and allows the key cap 152 to move up and down with respect to the base plate 16. In practical operation, the lifting mechanism 151 can be implemented by a scissor-foot, butterfly or bat mechanism, and the bottom plate 16 has a buckle structure (not shown) connected to the bottom end of the lifting mechanism 151. The trigger structure 153 is disposed between the key cap 152 and the thin film circuit 14, and the trigger structure 153 is implemented by an elastic element having a bump, for example, and is driven by the key cap 152 to press and conduct a switch (not shown) disposed on the thin film circuit 14.

The key cap 152 has a character area TA defined on its upper surface. For example, the key cap 152 includes a light transmissive cap body 1521 and a light opaque paint layer 1522; the cap body 1521 is fixed on the top end of the lifting mechanism 151, the paint layer 1522 is coated on the surface of the cap body 1521, and the paint layer 1522 is provided with character through holes 1523 to define a light-permeable character area TA. In other embodiments, the cap body 1521 may be an opaque cover body, and the light-transmissive character area TA is defined by hollowing, micro-perforation, etc., so that the paint layer 1522 is not absolutely necessary. In addition, a gap GA is formed between the key caps 152 of any two of the key assemblies 15, and the gap GA is mostly overlapped with the gap frame 111 in the orthogonal projection direction. If the gap frame 111 can transmit light (whether visible light or invisible light), the gap area GA can transmit light completely. If the gap frame 111 can only partially transmit light, for example, can block visible light but allow invisible light (e.g., ultraviolet light) to pass through, the gap area GA only allows visible light to pass through the gap between the key cap 152 and the gap frame 111, but the entire gap area GA allows invisible light to pass through. Therefore, in the area shielded by the housing 11 and the plurality of key assemblies 15 (especially the key caps 152), a plurality of areas such as the character area TA and the gap area GA can transmit light.

The thin-film circuit 14 is located under the key cap 152, and the thin-film circuit 14 is disposed opposite to the bottom plate 16. In various embodiments, the thin film circuit 14 may be stacked above or below the base plate 16. The thin film circuit 14 has a key circuit (not shown) and a plurality of switches (not shown), the key circuit is connected to the switches (not shown) under each key cap 152, and generates a key signal when the switches are triggered. The thin film circuit 14 can be realized by printing a key circuit on a single layer or a multi-layer thin film; in this embodiment, the thin film circuit 14 may be at least partially transparent to light.

The illumination module 12 includes an illumination circuit board 121 and a plurality of illumination light sources 122 (only one is labeled in the figure), the illumination module 12 is disposed under the plurality of key assemblies 15, and each illumination light source 122 corresponds to a key cap 152 of each key assembly 15. In various embodiments, the illumination module 12 may be disposed above or below the base plate 16, and may also be disposed above or below the thin film circuit 14. In fig. 4 and 5, the illumination light source 122 is disposed on the illumination circuit board 121, electrically connected to the illumination circuit on the illumination circuit board 121, and penetrates through the bottom plate 16 and the thin film circuit 14; in various embodiments, the illumination source 122 may not penetrate into the bottom plate 16 or penetrate through the bottom plate (e.g., a spacer layer covering a specific thickness on the illumination module 12), and the illumination source 122 may also penetrate through the bottom plate 16 but not penetrate into or penetrate through the thin film circuit 14, depending on the height of the illumination source 122 and the structure of the illumination module 12. The illumination light source 122 of the present embodiment may be a light emitting diode, and the emitted illumination light is visible light; in addition, the illumination source 122 may be a single or multiple leds, such as three leds of red, green and blue. In principle, the components above the lighting module 12 must be transparent, whether they are made of transparent material (such as the thin film circuit 14) or define through-holes (such as those formed in the bottom plate 16) as the light path for the disinfecting light.

The disinfecting module 13 includes a driving circuit board 131 and a plurality of disinfecting light sources 132 (only one is labeled in the figure), the driving circuit board 131 is disposed under the plurality of key assemblies 15, and each disinfecting light source 132 corresponds to the key cap 152 of each key assembly 15. In fig. 4 and 5, the disinfecting light source 132 is disposed on the driving circuit board 131, electrically connected to the driving circuit on the driving circuit board 131, and passes through the lighting module 12, the bottom plate 16 and the thin film circuit 14, and the disinfecting light source 132 is located below the key cap 152. The disinfecting light source 132 of the present embodiment is a light emitting diode, and the disinfecting light projected by the light emitting diode is ultraviolet light; however, in other embodiments, the ultraviolet light is not limited thereto, and the ultraviolet light may be visible light, infrared light, or other light capable of achieving disinfection, sterilization, or deactivation. For example, blue light (visible light) having a wavelength of 405 nm exhibits a broad spectrum of antibacterial effects against gram-negative bacteria and gram-positive bacteria; visible Femtosecond laser (femto-second Lasers) or near infrared subpicosecond fiber laser can inactivate multiple viruses, including M13 bacteriophage, murine cytomegalovirus, tobacco mosaic virus, human papilloma virus and human immunodeficiency virus. In addition, the disinfecting light source 132 can also use the principle of PDT (photodynamic therapy), since the biological targets (protein, lipid, nucleic acid) of the therapy are the main components of all kinds of microorganisms and derivatives thereof, and the disinfection effect can be generated on the microorganisms and the derivatives thereof by using a nontoxic photosensitizer (for example, coating the surface to be disinfected of the invention) to match with visible light or near infrared light.

In principle, the components above the disinfection module 13 must be opaque to visible light, whether they are made of transparent material (e.g. thin film circuit 14), or define through holes (e.g. on the illumination module 12, the bottom plate 16), or the semi-transparent layer 1524/semi-transparent area CA described in the following embodiments, so as to be the light path for the disinfection light. In different embodiments, the driving circuit board 131 may be disposed above or below the bottom board 16, and may also be disposed above or below the thin film circuit 14; similarly, the driving circuit board 131 may be disposed above or below the bottom plate 16, and may also be disposed above or below the thin film circuit 14. In various embodiments, the illumination module 12 may be stacked above the sterilization module 13, and the sterilization light passes through the illumination circuit board 121 of the illumination module 12 and passes out of the character area TA and/or the gap area GA. The sterilizing module 13 may also be stacked above the illuminating module 12 and the illuminating circuit board 121, and the illuminating light passes through the sterilizing module 13 and the driving circuit board 131 and then passes through the character area TA. In various embodiments, the germicidal light source 132 may be particularly highly obtrusive (e.g., a high power uv LED), and the germicidal light source 132 may pass from bottom to top into or through the lighting module 12; alternatively, a spacer (not shown) is disposed around the sterilizing light source 132 to cover the sterilizing module 13 and the driving circuit board 131, so that the sterilizing light source 132 does not penetrate into the lighting module 12. The thickness of the spacer can be selectively adjusted, for example, when the bottom board 16 of the light-emitting keyboard 1 is located under the plurality of key assemblies 15 and the sterilizing module 13, the thickness of the spacer is thinner, so that the sterilizing light source 132 can pass through the lighting module 12 but not higher than the upper surface or the lower surface of the bottom board 16, i.e. not pass through or not pass through the bottom board 16, so as to avoid interfering with the operation of the key assemblies 15. Of course, the illumination module 12 may be covered with another separate spacer on the illumination circuit board 121, but is provided with a through hole for accommodating the illumination light source 122. The spacer of the illumination module 12 can be matched with the spacer of the sterilization module 13, so that the heights of the illumination light sources 122 and the sterilization light sources 132 do not exceed the upper surface or the lower surface of the bottom plate 16, i.e. do not penetrate through or penetrate into the bottom plate 16. However, if necessary, the disinfecting light source 132 and the illuminating light source 122 can penetrate through the bottom plate 16, even though the membrane circuit 14 above the bottom plate 16 is penetrated but not penetrated (for example, the disinfecting light source 132 and the illuminating light source 122 are accommodated by the through holes), as shown in fig. 4 and 5, so that the overall thickness of the light-emitting keyboard 1 is not too high.

The user device 100 of the present embodiment has an operation mode and a disinfection mode, and the light-emitting keyboard 1 is used in cooperation with the key cover 2. When the key cover 2 does not cover the light-emitting keyboard 1, the user device 100 and the light-emitting keyboard 1 are in an operation mode, as shown in fig. 1 and 4; when the key covering member 2 covers the light-emitting keyboard 1, the user device 100 and the light-emitting keyboard 1 are in the sterilization mode, as shown in fig. 2 and 5.

As shown in fig. 1 to 5, when the user device 100 and the light-emitting keyboard 1 are in the operation mode, the illumination light source 122 of the illumination module 12 emits illumination light (light path shown by arrow in the figure) as shown in fig. 4, the illumination light penetrates through the character area TA of the key cap 152 (i.e. the character through hole 1523), and the illumination light can also be projected from the gap between the key cap 152 and the gap frame 111. In the operating mode, the sterilisation module 13 is not active.

However, when the user device 100 and the light-emitting keyboard 1 are in the disinfection mode as shown in fig. 2, the disinfection light source 132 (not shown) of the disinfection module 13 emits disinfection light as shown by the light path arrow in fig. 5, the disinfection light penetrates the cap 1521 and is projected from the character through hole 1523 (character area TA), and the disinfection light also passes through the gap between the keycap 152 and the gap frame 111. If the slit frame 111 is transparent to invisible light (e.g. ultraviolet light), the sterilizing light may also directly or indirectly pass through the slit frame 111 after being reflected by the inside of the key assembly 15, i.e. the whole gap area GA is allowed to pass through the sterilizing light. At this time, since the key cover 2 covers the upper surfaces of the light-emitting keyboard 1 and the housing 11, the disinfecting light can disinfect the surfaces of the key cover 2 (the screen 22 and/or the cover 21). In addition, the disinfecting light projected from the gap between the character through hole 1523 and the key cap 152 is projected to the main disinfecting area 23 (which may cover the screen 22 and/or the cover 21) of the key cover 2 in fig. 1, and then further reflected to the surface of all the key caps 152, thereby achieving the disinfecting effect. In the disinfection mode, the lighting module 12 may be inactive. In addition, as long as the disinfecting light source 132 has sufficient light emitting power, the disinfecting light can be reflected multiple times between the key cover 2 and the keycap 152, and between the key cover 2 and the upper surface of the housing 11, and the disinfecting light does not need to be limited by the light emitting area and the light emitting position, and can reach every position of the key cover 2 through multiple reflections, even reach the area outside the orthographic projection of the light emitting keyboard 1, such as the palm rest area 113 on the housing 11 and the sub-disinfecting area 24 of the key cover 2 in fig. 1, and the palm rest area 113 faces the key cover 2 in the disinfecting mode. The main sterilization zone 23 of the key cover 2 can be defined as the orthographic projection area of the light-emitting keyboard 1 on the key cover 2 when the key cover 2 covers the light-emitting keyboard 1; on the other hand, the sub-sterilization zone 24 of the key cover 2 is an area of the light-emitting keyboard 1 outside the orthographic projection of the key cover 2, and can be regarded as an area outside the main sterilization zone 23.

As shown in fig. 6 to fig. 8, the second embodiment of the present invention is similar to the first embodiment, and the difference is that the light-emitting keyboard 1 of the second embodiment uses another kind of key assembly 15 to replace the key assembly 15 of the first embodiment, and the key cap 152 included in the key assembly 15 of the second embodiment of the present invention includes a cap body 1521, a paint layer 1522 and a half-through layer 1524.

The cap 1521 of the second embodiment has the same structure as the cap 1521 of the first embodiment. The light-shielding lacquer layer 1522 is also formed on the cap body 1521 by coating, and the lacquer layer 1522 is formed with a character through hole 1523 to define a character area TA. The semi-transparent layer 1524 is directly formed on the cap body 1521 to define a semi-transparent area CA, and the semi-transparent layer 1524 is made of a material that only allows invisible light (e.g., ultraviolet light) to pass through but not visible light such as illumination light. In the present embodiment, the driving circuit board 131, the lighting circuit board 121, and the bottom board 16 are stacked under the key assembly 15 and the key cap 152 thereof, as in the thin film circuit 14.

Thus, in the operation mode, the illumination light source 122 emits illumination light (such as an arrow light path) as shown in fig. 7, so that the illumination light is projected from the character area TA (the character through hole 1523) and the gap area GA (the gap between the key cap 152 and the gap frame 111), but the illumination light cannot pass through the half-through area CA on the key cap 152. However, when the cover 21 and the screen 22 of the key cover 2 are covered on the upper surfaces of the light-emitting keyboard 1 and the casing 11, the disinfecting light source 132 can emit disinfecting light (such as an arrow light path in the figure) as shown in fig. 8, and the disinfecting light can also be projected from the character through hole 1523 of the character area TA, the semi-through layer 1524 of the semi-through area CA and the gap area GA, and reaches the key cover 2 to disinfect the cover 21, the screen 22 and the main disinfecting area 23, and disinfects the surface of the key cap 152, the sub-disinfecting area 24 of the key cover 2 and the palm rest area 113 of the casing 11 by (continuous) reflection of the key cap 152 and the cover 21 and the screen 22 of the key cover 2.

In other embodiments, the lacquer layer 1522 of the key cap 152 can be replaced by a semi-permeable layer 1524, the whole key cap 152 is covered by the semi-permeable layer 1524, and the character through hole 1523 is defined directly on the semi-permeable layer 1524. Thus, the illuminating light of the visible light can pass through the character area TA defined by the character through hole 1523, but the illuminating light is shielded by the half-through layer 1524 and cannot pass through. In contrast, in the sterilization mode, the sterilization light can pass through the half-through area CA (covering the whole area of the key cap 152 outside the character through hole 1523) defined by the half-through layer 1524 and the character area TA. The structure and material applied to the key cap 152 can also be applied to the gap frame 111 of the housing 11, so that the gap frame 111 or the gap area GA has the half-through layer 1524 to become the half-through area CA. Thus, the half-through area CA is expanded to cover the gap area GA, and the irradiation amount of the sterilizing light and the sterilizing effect reaching the main sterilizing area 23, the auxiliary sterilizing area 24 and the palm rest area 113 are improved.

Furthermore, as shown in fig. 9, the position of the disinfecting light source 132 can be moved below the gap frame 111 or the gap area GA. In such embodiments, the slit area GA may not be provided with the slit frame 111, or the slit frame 111 may be provided with the semi-perforated area CA having the semi-perforated layer 1524, so as to increase the irradiation amount of the sterilizing light emitted from the sterilizing light source 132 through the slit area GA. The advantage is that the key cap 152 can be made of conventional materials and structures without any modification. In addition, although the disinfection light source 132 is disposed below the gap area GA, the disinfection light may still directly or indirectly pass through the character area TA of the key cap 152; by indirect exit is meant that the sterilizing light is refracted and reflected by any element between the lower surface of the key cap 152 and the upper surface of the base 16. Conversely, if the space inside or below the key assembly 15 is not enough, the illumination source 122 can be selectively moved below the gap frame 111 or the gap area GA, but the illumination light still needs to directly or indirectly pass through the character area TA of the key cap 152 or the gap around the key cap 152.

In addition, the specific material can improve the light transmittance of the short-wavelength disinfection light and improve the light-emitting intensity of the disinfection light penetrating out of the key assembly 15. The dotted line and solid line of fig. 10 show the intensity of the sterilizing light (uv light) measured at several different key positions (key positions) by key assembly 15 made of two different materials but having the same lifting mechanism (such as lifting mechanism 151 of fig. 4). The dotted line of data 1 is a test group, and glass fiber is added to the lifting mechanism 151, and the solid line of data 2 is a manufacturing group, and the lifting mechanism 151 is made of a common material. The results show that the dotted line-the ultraviolet light intensity at each key location for the test set is much higher than the solid line-the metric at the corresponding key location for the manufacturing set. In terms of average value, the average measurement value of the solid line-pair group at all the key positions is 4.8nits, but the average ultraviolet light intensity of the dotted line-test group at all the key positions is as high as 17.5nits, so that the gain effect of the invisible high-light-transmittance material on the intensity of the sterilizing light is highlighted. The main function of such invisible light gain material is to have a higher refractive index when the disinfecting light passes through, and to reduce the absorption rate or loss rate of the absorption loss by the key assembly 15. Besides glass fiber, the invisible light gain material can also adopt glass particles; as for the target element to which the gain material is added, in addition to the elevating mechanism 151, it may be added to the key cap 152, the trigger structure 153, or even the thin film circuit 14 or the base plate 16.

As shown in fig. 11, the fourth embodiment of the present invention is similar to the third embodiment, the key assembly 15 is the same as the key assembly 15, and the disinfecting light source 132 is also located in the gap area GA around the key cap 152, and the main difference is that the lighting module 12 adopts the light guide plate technology. For example, the illumination module 12 of the present embodiment includes a light guide plate and a plurality of illumination light sources (none of which are labeled), and the illumination light sources may be disposed at the side of the light guide plate or in openings (not shown) at any position, so as to guide the illumination light emitted by the illumination light sources to be totally reflected in the light guide plate and transversely transmitted; in addition, a light shielding layer may be disposed above the light guide plate to define the light exit position, a light reflecting layer may be selectively disposed above and below the light guide plate to reduce light loss, and microstructures or scattering paint dots may be disposed on the lower surface of the light guide plate at positions corresponding to the circuit board through holes 133 to turn and emit the illumination light. In this example, the illumination module 12 is stacked below the sterilization module 13, i.e., the sterilization module 13 is located between the base plate 16 and the illumination module 12. The driving circuit board 131 of the disinfection module 13 can be formed with a circuit board through hole 133, the bottom plate 16 can be formed with a bottom plate through hole 161, and the circuit board through hole 133 and the bottom plate through hole 161 at least partially correspond to each other. Thus, in the operating mode, the illumination light provided by the illumination module 12 can pass through the circuit board through hole 133 and the bottom board through hole 161, and pass through the thin film circuit 14, the key assembly 15 and/or the gap frame 111 or the gap thereof, and then the light is emitted from the character area TA and the gap area GA. The timing and path of the light emitted from the sterilizing light are similar to those of the previous embodiments, and the light can be emitted from the character area TA and the gap area GA or the aforementioned half-through area CA. Of course, in the operation mode, depending on the illumination setting of the light-emitting keyboard 1, the illumination light may also be emitted from the character area TA and the gap area GA or the aforementioned half-through area CA. In other words, the illuminating light and the sterilizing light can emit light by using a common light path (character area, gap area or semi-through area) in the invention, and two different effects of illumination and sterilization can be achieved at different times (modes).

As shown in fig. 12, the fifth embodiment of the present invention is similar to the fourth embodiment, but the illumination module 12 is located between the sterilization module 13 and the base plate 16. Thus, in the operating mode, the illumination light provided by the illumination module 12 can pass through the thin film circuit 14, the key assembly 15 and/or the gap frame 111 or the gap thereof, and emit light from the character area TA and the gap area GA. In the disinfection mode, if the disinfection light source 132 does not penetrate or pass through the illumination module 12, the disinfection light may need to pass through a hole (not shown) of the illumination module 12; if the disinfecting light source 132 passes through the illumination module 12, the disinfecting light does not need to pass through the illumination module 12. In any case, the timing and path of the light emitted from the sterilizing light beam are similar to those of the previous embodiments, and the light can be emitted from the character area TA and the gap area GA or the aforementioned half-through area CA. In the operation mode, the illumination light provided by the illumination module 12 passes through the thin film circuit 14, the key assembly 15 and/or the frame 111 or the gap thereof, and emits light from the character area TA and the gap area GA. In addition, the sterilizing light source 132 may not be easily reduced in size based on the requirement of high power, so that the optimal position of the sterilizing module 13 may be the lowest layer to ensure that the light-emitting keyboard 1 can meet the requirement of thin type. Finally, fig. 13 shows a user device 300 according to a sixth embodiment of the present invention. The key cover can be divided into two parts, and is realized by a first key cover 2X and a second key cover 2Y which can be separated. The housing 11 for housing the light-emitting keyboard 1 has a palm rest area 113, and the housing 11 is connected to the first key cover 2X, so that the housing 11 and the first key cover 2X can be switched between the operation mode (opening the first key cover 2X) and the sterilization mode (closing the first key cover 2X) of the foregoing embodiment. The second key covering member 2Y can be implemented by a tablet computer, and is detachably attached to the first key covering member 2X by magnetic attraction or other means, and at this time, the first key covering member 2X and the housing 11 can cover the second key covering member 2Y (tablet computer) in a front-back manner to provide a protective cover function. The first key cover 2X and the second key cover 2Y may have a main sterilization zone 23 and a sub sterilization zone 24, respectively. In the sterilization mode, depending on whether the second key cover 2Y is removed from the first key cover 2X, the sterilization light of the above embodiment can pass through the character area TA and/or the gap area GA, or the half-through area CA to reach the first key cover 2X or the second key cover 2Y for sterilization; the sterilization zone may be as well in the primary sterilization zone 23 or the secondary sterilization zone 24, as previously described.

In summary, the light-emitting keyboard of the present invention is mainly characterized in that the disinfection module is highly integrated with the key assembly and the illumination module, so that when the light-emitting keyboard is covered by the key covering member, the disinfection light can be emitted from the character area, the gap area or the half-through area, and the disinfection light can be reflected back and forth between the key covering member and the key cap (the key assembly), between the key covering member and the housing (the gap frame/the upper surface of the housing), so that the disinfection light irradiation range can cover the key cap/the key assembly, the housing (at least including the gap frame/the palm rest area) and the key covering member (at least including the main disinfection area/the sub-disinfection area), thereby effectively sterilizing and disinfecting the light-emitting keyboard, the housing and the key covering member. On the contrary, when the light-emitting keyboard is in the operation mode, the illuminating module provides illuminating light to emit light from the character area of the keycap. Therefore, the illuminating light and the disinfecting light can emit light by utilizing a common light path (a character area, a gap area or a semi-through area), and two different effects of illumination and disinfection can be achieved at different times (modes).

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.

Claims (11)

1. A light-emitting keyboard covered by a key cover in a sterilization mode, the light-emitting keyboard comprising:

each key assembly comprises a key cap, each key cap is provided with at least one character area, and two adjacent key caps are separated by a gap area;

the lighting module is arranged below the plurality of key assemblies and comprises a plurality of lighting light sources, the plurality of lighting light sources provide lighting rays of visible light under an operation mode, and the lighting rays respectively penetrate through the plurality of character areas; and

the disinfection module is arranged below the plurality of key assemblies and comprises a plurality of disinfection light sources, the disinfection light sources provide disinfection light under a disinfection mode, the disinfection light respectively penetrates through the plurality of character areas and/or the plurality of clearance areas to reach the key covering piece, and the disinfection light is reflected to the upper surfaces of the plurality of key caps by the key covering piece.

2. The illuminated keyboard according to claim 1, wherein the plurality of disinfection light sources and the plurality of illumination light sources are respectively located under the plurality of keycaps and/or under the plurality of gap regions.

3. The illuminated keyboard according to claim 1, wherein the disinfecting light is reflected between the upper surfaces of the plurality of key caps and the key cover and reaches a sub-disinfecting area, and the sub-disinfecting area is located on the key cover and outside of the orthographic projection of the illuminated keyboard.

4. The illuminated keyboard of claim 1, wherein the illuminated keyboard is disposed in a housing, the housing having a palm rest area juxtaposed to the illuminated keyboard, the palm rest area facing the key cover in the disinfection mode, and the disinfection light being reflected between the upper surfaces of the plurality of key caps and the key cover and reaching the palm rest area.

5. The illuminated keyboard according to claim 1, further comprising a thin film circuit disposed under the plurality of key assemblies, wherein the sterilizing light passes through the thin film circuit and out of the plurality of character areas and/or the plurality of gap areas.

6. The illuminated keyboard according to claim 1, wherein the illumination module further comprises a light guide plate, the illumination light is transmitted to the lower side of each keycap through the light guide plate and then transmitted to each character region upward.

7. The illuminated keyboard according to claim 1, wherein the illumination module is stacked above the sterilization module, and the sterilization light source penetrates into or through the illumination module.

8. The illuminated keyboard according to claim 1, further comprising a bottom board disposed between the plurality of key assemblies and the disinfecting module, wherein the disinfecting light source is not higher than a lower surface or an upper surface of the bottom board.

9. The illuminated keyboard according to claim 1, wherein each of the key caps and/or the gap regions comprises at least one semi-through region, the semi-through region shields the illumination light, but the disinfection lights can pass through the semi-through region.

10. The illuminated keyboard according to claim 1, wherein the key cover comprises a first key cover and a second key cover that are separable, the sterilizing light passing through the plurality of character regions and/or the plurality of gap regions to reach the first key cover or the second key cover.

11. The illuminated keyboard according to claim 1, wherein each of the key assemblies comprises an invisible light gain material.

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