CN113031785A - Keyboard structure, keyboard assembly, mobile terminal and keyboard sterilization method - Google Patents
Keyboard structure, keyboard assembly, mobile terminal and keyboard sterilization method Download PDFInfo
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- CN113031785A CN113031785A CN202110307640.7A CN202110307640A CN113031785A CN 113031785 A CN113031785 A CN 113031785A CN 202110307640 A CN202110307640 A CN 202110307640A CN 113031785 A CN113031785 A CN 113031785A
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 42
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 37
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Input From Keyboards Or The Like (AREA)
- Push-Button Switches (AREA)
Abstract
The application relates to a keyboard structure, a keyboard assembly, a mobile terminal and a keyboard sterilization method; the keyboard structure comprises a body, a panel arranged on the body, an elastic piece arranged on the body, a keycap arranged on the elastic piece and penetrating through the panel, and a short wave ultraviolet light emitting diode; the keycaps are made of materials which penetrate through ultraviolet rays; the short wave ultraviolet light emitting diode is arranged on the body, and the irradiation range of the short wave ultraviolet light emitting diode penetrates through at least part of the keycaps. The short-wave ultraviolet light emitting diode is skillfully combined on the keyboard, and the ultraviolet rays are favorably penetrated and led out to the surface of the keyboard to achieve the aim of sterilization by adjusting the design of the keycap, so that the keyboard is sterilized, and the short-wave ultraviolet light emitting diode has the advantages of quickness, thoroughness, no pollution, simplicity and convenience in operation, low use and maintenance cost and the like; and the energy consumption is low, and the keyboard can be used by either a self-contained power supply or an external power supply, so that the use risk of a dirty keyboard is reduced, and the use safety of a user is effectively guaranteed.
Description
Technical Field
The application relates to the field of keyboard sterilization, in particular to a keyboard structure, a keyboard assembly, a mobile terminal and a keyboard sterilization method.
Background
The daily used bacteria amount of the keyboard is 3 times more than that of a closestool, and generally, few people can clean the keyboard specially, so that the keyboard can store more bacteria which can harm human bodies, and therefore, the keyboard needs to be disinfected and sterilized.
According to the wavelength, the conventional common optical spectrum is shown in fig. 1, and includes X-ray 110, vacuum ultraviolet 120, short-wave ultraviolet 130, medium-wave ultraviolet 140, long-wave ultraviolet 150, visible light 160, infrared 170, etc., wherein ultraviolet (UV, also called ultraviolet) especially short-wave ultraviolet (UV-C) with wavelength in the range of 200nm to 280nm has a great destroying effect on bacteria, viruses or other microorganisms harmful to human body, and the sterilization effect can be achieved within 1 second to 2 seconds; the short-wave ultraviolet disinfection method has the advantages of rapidness, thoroughness, no pollution, simple and convenient operation, low use and maintenance cost and the like.
A conventional keyboard structure is shown in fig. 2, and includes a body 210, a panel 220 disposed on the body 210, an elastic member 240 disposed on the body 210, and a key cap 230 disposed on the elastic member 240 and penetrating through the panel 220; however, the disinfection and sterilization of the keyboard by short-wave ultraviolet rays are not disclosed in the documents.
Disclosure of Invention
Accordingly, there is a need for a keyboard structure, a keyboard assembly, a mobile terminal and a keyboard sterilization method.
A keyboard structure comprises a body, a panel arranged on the body, an elastic piece arranged on the body, a keycap arranged on the elastic piece and penetrating through the panel, and a short wave ultraviolet light emitting diode;
at least part of the keycap is provided with a transmission area prepared by adopting a material which penetrates through ultraviolet rays;
the short wave ultraviolet light emitting diode is arranged on the body, and the irradiation range of the short wave ultraviolet light emitting diode penetrates through at least part of the keycap.
According to the keyboard structure, the short-wave ultraviolet light emitting diode is skillfully combined on the keyboard, and the ultraviolet rays are favorably penetrated and guided out to the surface of the keyboard to achieve the purpose of sterilization by adjusting the design of the keycap, so that the keyboard is sterilized, and the keyboard structure has the advantages of quickness, thoroughness, no pollution, simplicity and convenience in operation, low use and maintenance cost and the like; and the energy consumption is low, and the keyboard can be used by either a self-contained power supply or an external power supply, so that the use risk of a dirty keyboard is reduced, and the use safety of a user is effectively guaranteed.
In one embodiment, part or all of the keycaps are made of ultraviolet-transmitting materials; and/or the short-wave ultraviolet light emitting diode is arranged below the keycap; and/or the short wave ultraviolet light emitting diode is arranged below the keycap, and the keycap only provided with the short wave ultraviolet light emitting diode below is provided with a transmission area prepared by adopting an ultraviolet ray penetrating material; and/or a diffuse reflection surface is arranged inside the transmission area of the keycap; and/or a light guide body is arranged below the keycap and above the short wave ultraviolet light emitting diode of the keyboard structure, and the light guide body is used for transmitting emergent rays of the short wave ultraviolet light emitting diode; and/or the keycap is provided with a smooth surface on the outside.
In one embodiment, the number and the positions of the short wave ultraviolet light emitting diodes are set according to the irradiation range of the short wave ultraviolet light emitting diodes, so that all the keycaps are irradiated by ultraviolet rays, or the panel and all the keycaps are irradiated by ultraviolet rays; and/or the irradiation intensity of the ultraviolet irradiation range of the keyboard structure is more than 40 microwatts per square centimeter; and/or the short wave ultraviolet light emitting diode is far away from the elastic piece and the metal part or the thickening position on the body.
In one embodiment, the faceplate is also made of a material penetrating ultraviolet rays, and the shortwave ultraviolet light emitting diode is arranged below the faceplate and/or below the keycap.
In one embodiment, the uv transparent material comprises uv bandpass sheets and quartz.
In one embodiment, the short wave ultraviolet light emitting diode has the light emitting wavelength of 253.5 nanometers or 254 nanometers, and the ultraviolet band-pass filter corresponds to a 253.5 nanometer band-pass filter or a 254 nanometer band-pass filter; and/or a mark layer is arranged on the lower surface of the keycap, which is adjacent to the elastic piece, or on the upper surface of the elastic piece, which is adjacent to the keycap.
In one embodiment, a keyboard assembly includes a cover structure and a keyboard structure;
the keyboard structure comprises a body, a panel arranged on the body, an elastic piece arranged on the body, and keycaps arranged on the elastic piece and penetrating through the panel, wherein at least part of the keycaps are provided with transmission regions prepared by ultraviolet-penetrating materials;
the keyboard structure further comprises a short-wave ultraviolet light-emitting diode, the short-wave ultraviolet light-emitting diode is arranged on the body, and the irradiation range of the short-wave ultraviolet light-emitting diode penetrates through at least part of the keycaps;
the cover plate structure covers the panel and the keycap and is used for shielding emergent rays emitted by the short wave ultraviolet light emitting diode.
In one embodiment, the cover plate structure is a transparent piece; and/or one surface of the cover plate structure adjacent to the keyboard structure is provided with a reflecting layer for reflecting the emergent ray or the whole cover plate structure is used for reflecting the emergent ray; and/or the cover plate structure is rotatably arranged on the body.
In one embodiment, a mobile terminal includes:
a main body;
the keyboard structure is fixedly arranged on the main body and comprises a body, a panel arranged on the body, an elastic piece arranged on the body, and a keycap arranged on the elastic piece and penetrating through the panel, wherein at least part of the keycap is provided with a transmission area prepared by adopting a material penetrating through ultraviolet rays; the keyboard structure further comprises a short-wave ultraviolet light-emitting diode, the short-wave ultraviolet light-emitting diode is arranged on the body, and the irradiation range of the short-wave ultraviolet light-emitting diode penetrates through at least part of the keycaps;
the shell is rotatably arranged on the main body and is used for covering the keyboard structure; and
the display structure is fixedly arranged on the shell and is also connected with the body of the keyboard structure.
In one embodiment, the mobile terminal further includes a cover plate structure fixedly disposed on the display structure, the cover plate structure is configured to transmit visible light of the display structure, and reflect emergent light emitted by the short wave ultraviolet light emitting diode in a state where the casing covers the keyboard structure and in a state where the short wave ultraviolet light emitting diode emits light.
In one embodiment, a keyboard sterilization method comprises the following steps:
a cover plate structure is adopted to shield the keyboard structure;
starting the short-wave ultraviolet light emitting diode so that emergent light rays of the short-wave ultraviolet light emitting diode penetrate through at least part of keycaps of the keyboard structure, wherein at least part of the keycaps are provided with transmission regions made of ultraviolet-penetrating materials;
the emergent light is reflected by the cover plate structure to generate reflected light which irradiates a panel and other keycaps of the keyboard structure.
In one embodiment, the emergent light also passes through the panel, and the panel is also made of a material which can penetrate ultraviolet rays; and/or automatically starting the short-wave ultraviolet light emitting diode for a preset duration when the keyboard structure is shielded by the induction cover plate structure; and/or the cover plate structure is made of polycarbonate with the light ray resistance of less than 400 nanometers; and/or, adopt the apron structure to shelter from the keyboard structure, include: the display structure with the cover plate structure is adopted to shield the keyboard structure, wherein the cover plate structure is a protective film.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a conventional general optical spectrum diagram.
Fig. 2 is a schematic diagram of a conventional keyboard structure.
Fig. 3 is a schematic structural diagram of another embodiment of the keyboard structure according to the present application.
Fig. 4 is a partial structural schematic diagram of an embodiment of a keyboard structure according to the present application.
Fig. 5 is a schematic partial structure diagram of another embodiment of the keyboard structure according to the present application.
Fig. 6 is a schematic partial structure diagram of another embodiment of the keyboard structure according to the present application.
Fig. 7 is a schematic structural diagram of another embodiment of a keyboard structure according to the present application.
Fig. 8 is a schematic structural diagram of another embodiment of a keyboard structure according to the present application.
Fig. 9 is a schematic structural diagram of another embodiment of a keyboard structure according to the present application.
Fig. 10 is a schematic structural diagram of another embodiment of a keyboard structure according to the present application.
Fig. 11 is a schematic structural diagram of another embodiment of a keyboard structure according to the present application.
Fig. 12 is a schematic structural diagram of another embodiment of a keyboard structure according to the present application.
Fig. 13 is a schematic structural diagram of an embodiment of a keyboard assembly according to the present application.
Fig. 14 is a schematic structural diagram of an embodiment of a mobile terminal according to the present application.
Fig. 15 is a schematic structural diagram of another embodiment of a mobile terminal according to the present application.
Fig. 16 is a schematic structural diagram of another embodiment of a mobile terminal according to the present application.
Fig. 17 is a schematic structural diagram of another embodiment of a mobile terminal according to the present application.
Fig. 18 is a flowchart illustrating an embodiment of a keyboard sterilization method according to the present application.
Reference numerals:
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "on," "over," and "above" a second feature may be directly or obliquely below the second feature, or simply mean that the first feature is at a lesser elevation than the second feature.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment of the application, the keyboard structure comprises a body, a panel arranged on the body, an elastic element arranged on the body, a keycap arranged on the elastic element and penetrating through the panel, and a short wave ultraviolet light emitting diode; at least part of the keycap is provided with a transmission area prepared by adopting a material which penetrates through ultraviolet rays; the short wave ultraviolet light emitting diode is arranged on the body, and the irradiation range of the short wave ultraviolet light emitting diode penetrates through at least part of the keycap. According to the keyboard structure, the short-wave ultraviolet light emitting diode is skillfully combined on the keyboard, and the ultraviolet rays are favorably penetrated and guided out to the surface of the keyboard to achieve the purpose of sterilization by adjusting the design of the keycap, so that the keyboard is sterilized, and the keyboard structure has the advantages of quickness, thoroughness, no pollution, simplicity and convenience in operation, low use and maintenance cost and the like; and the energy consumption is low, and the keyboard can be used by either a self-contained power supply or an external power supply, so that the use risk of a dirty keyboard is reduced, and the use safety of a user is effectively guaranteed. It is understood that the specific power supply and connection manner of the short-wave uv led can be realized by using the conventional technology, and the embodiments of the present application are not limited thereto.
In one embodiment, a keyboard structure includes a part of or the whole of the following embodiments; that is, the keyboard structure includes some or all of the following technical features. The conventional keycaps are generally made of acrylonitrile (a), butadiene (B) and styrene (S) terpolymer (ABS), but they block ultraviolet rays, and in each embodiment, at least a portion of the keycaps have a transmission region made of a material that transmits ultraviolet rays; or the keycaps are made of ultraviolet-penetrating materials, namely, all the positions of the keycaps are made of ultraviolet-penetrating materials, and all the positions of the keycaps are transmission areas. In one embodiment, all of the keycaps are made of a material that penetrates ultraviolet light. In one embodiment, only the keycaps under which the short-wave ultraviolet light emitting diodes are arranged have transmission regions made of ultraviolet-penetrating materials, namely, only the keycaps under which the short-wave ultraviolet light emitting diodes are arranged are made of ultraviolet-penetrating materials; namely, the keycap which is provided with the short-wave ultraviolet light emitting diode at the lower part only has a transmission area which is prepared by adopting ultraviolet-penetrating materials. In one embodiment, the UV transmissive material includes UV bandpass sheets and quartz. It will be appreciated that for the short wavelength uv led used, the wavelength of the emitted light is determined, for example, within a certain range, and the corresponding uv bandpass filter may be selected. In one embodiment, the shortwave uv led 250 emits light at 253.5 nm or 254 nm, and the uv bandpass filter corresponds to a 253.5 nm bandpass filter or a 254 nm bandpass filter. Further, in one embodiment, the maximum scattering angle of the short-wave ultraviolet light emitting diode is greater than or equal to 120 °.
Ultraviolet rays can destroy the molecular structure of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) of microorganisms, so that bacteria can die or cannot reproduce, and the aim of sterilization is fulfilled. In all ultraviolet rays, the short wave ultraviolet ray sterilization effect is the fastest, in the embodiments of the present application, the short wave ultraviolet ray emitting diode is disposed on the body, for example, the short wave ultraviolet ray emitting diode is disposed on a key base or a key frame of the body, and the irradiation range of the short wave ultraviolet ray emitting diode passes through at least part of the key cap. Further, in one embodiment, the keyboard structure or the panel or the keycap thereof is provided with a reflection area for reflecting the emergent light of the short wave ultraviolet light emitting diode to form a reflected light towards the panel or the keycap, so as to increase the irradiation range of the short wave ultraviolet light emitting diode. It can be understood that, in the state of the short wave ultraviolet light emitting diode emitting light, the light is short wave ultraviolet light to form emergent rays, the emergent rays form the light emitting range of the short wave ultraviolet light emitting diode as a whole, namely, the part directly irradiated by the short wave ultraviolet light emitting diode is the light emitting range, after being reflected by other structures such as a cover plate structure, the emergent rays and the reflected rays with the disinfection and sterilization capability form the irradiation range together, namely, the irradiation range has the disinfection and sterilization capability; that is, under the condition of having reflection, the irradiation range includes the light-emitting range and is larger than the light-emitting range; without reflection, the illumination range is equal to the light emission range. Further, in one embodiment, the keyboard assembly or the keyboard structure further includes a cover plate structure having the reflective region, and the cover plate structure is disposed on the panel and the key cap and used for shielding the emergent light emitted from the short wave ultraviolet light emitting diode and reflecting the emergent light to form a reflected light toward the panel or the key cap. The design is beneficial to sterilizing the keyboard, and has the advantages of rapidness, thoroughness, no pollution, simple and convenient operation, low use and maintenance cost and the like; and the energy consumption is low, and the keyboard can be used by either a self-contained power supply or an external power supply, so that the use risk of a dirty keyboard is reduced, and the use safety of a user is effectively guaranteed.
In order to facilitate reasonable control of the sterilization function of the keyboard structure, further, in one embodiment, the keyboard structure further includes an induction controller connected to the short wave ultraviolet light emitting diode, the induction controller includes an inductor, a controller and a timer, and the controller is respectively connected to the inductor and the timer; in one embodiment, the sensor is used for sensing a starting environment and sending a trigger signal to the controller when the starting environment meets a preset environment condition; the controller is used for further judging whether a preset starting condition is met or not when the trigger signal is received, controlling the short-wave ultraviolet light-emitting diode to emit light when the preset starting condition is met, controlling the light-emitting duration of the short-wave ultraviolet light-emitting diode according to the timer, and controlling the short-wave ultraviolet light-emitting diode to be turned off when the light-emitting duration reaches a preset duration, namely the light-emitting duration is kept for the preset duration; in one embodiment, the controller is used for controlling the sensor when a preset starting condition is met, and the sensor sends a trigger signal to the controller when sensing that a starting environment meets a preset environment condition; the controller is used for receiving control when triggering signal shortwave ultraviolet emitting diode is luminous, and according to the timer control shortwave ultraviolet emitting diode's luminous duration when luminous duration reaches and predetermines duration, control shortwave ultraviolet emitting diode closes. In one embodiment, sensing the activation environment includes, but is not limited to, sensing the brightness of the environment, or sensing whether the cover structure covers the body of the keyboard structure, i.e., covers the front panel and the key caps. In one embodiment, the preset starting condition includes a daily timing or a weekly timing, such as morning zero; in one embodiment, the preset starting condition includes that the user permits ultraviolet disinfection and the like. The design is favorable for reasonably controlling and executing sterilization on one hand and avoiding hurting users; on the other hand, the intelligence of the product is enhanced; on the other hand, the method is beneficial to flexible control, avoids frequently starting the short-wave ultraviolet light emitting diode, and has the advantage of energy consumption saving.
In one embodiment, the short-wave ultraviolet light emitting diode is arranged below the keycap; in one embodiment, a keyboard structure is shown in fig. 3, please refer to fig. 2, which includes a body 210, a front panel 220 disposed on the body 210, an elastic member 240 disposed on the body 210, a key cap 230 disposed on the elastic member 240 and penetrating through the front panel 220, and a short-wave ultraviolet light emitting diode 250; the keycap 230 is made of a material penetrating ultraviolet rays to penetrate through the short-wave ultraviolet light emitting diode 250; the short wave ultraviolet light emitting diode 250 is arranged on the body 210, and the irradiation range 260 of the short wave ultraviolet light emitting diode 250 penetrates through at least part of the keycap 230. In this embodiment, under the condition that there is no reflected light, the irradiation range 260 of the short wave ultraviolet light emitting diode 250 is the light emitting range of the short wave ultraviolet light emitting diode 250, that is, the irradiation range irradiated by the emergent light emitted by the short wave ultraviolet light emitting diode 250. Referring to fig. 4, in the present embodiment, the short wave ultraviolet led 250 is disposed on the main body 210 and below the key cap 230.
In one embodiment, as shown in FIG. 4, a short wavelength UV LED 250 is disposed below the keycap 230; in one embodiment, a diffuse reflection surface is arranged inside the transmission area of the keycap; in one embodiment, the keycap is internally provided with a diffuse reflection surface; in one embodiment, the keycap is made of ultraviolet-transmitting materials, and a diffuse reflection surface is arranged inside the keycap; the diffuse reflection surface is also called a fog surface and is used for reducing ultraviolet light reflected inside the keycap. Further, in one embodiment, the keycap is provided with the diffuse reflection surface inside the non-typing surface, i.e. the typing or inputting surface, and the inside of the keycap can be directly transmitted without being provided with the diffuse reflection surface. In one embodiment, as shown in FIG. 5, a short wavelength UV LED 250 is disposed below the keycap 230; and the keycap 230 is provided with a diffuse reflective surface 231 inside. In one embodiment, the keycap is externally provided with a smooth surface. In one embodiment, the short wave ultraviolet light emitting diode is arranged below the keycap, a diffuse reflection surface is arranged inside the keycap, and a smooth surface is arranged outside the keycap. The rest of the embodiments are analogized and are not described in detail. It is understood that in one embodiment, the short wave uv led 250 is located away from the shielding structure of the elastic member 240 and the body 210, i.e. the metal parts of the elastic member 240 and the body 210 or the thickened position such as the scissors mechanism, etc., so as not to shield the light emitted from the short wave uv led 250. For example, the elastic member is a silica gel cap, and the short wave ultraviolet light emitting diode 250 is positioned to avoid the shielding of the silica gel cap.
In order to increase the irradiation range 260 and increase the re-reflection utilization of the reflected light inside the keycap, further, in one embodiment, as shown in fig. 6, the keyboard structure is provided with a light guide 270 below the keycap 230 and above the short wave ultraviolet light emitting diode 250, the light guide 270 is used for transmitting the emergent light of the short wave ultraviolet light emitting diode 250, in one embodiment, the light guide 270 is further used for increasing the irradiation range 260 by refracting the emergent light of the short wave ultraviolet light emitting diode 250, and in one embodiment, the light guide 270 is further used for re-reflecting the reflected light of the inner surface of the keycap, such as the diffuse reflection surface 231, to the outside of the keycap, so as to increase the emergent ratio of the light of the short wave ultraviolet light emitting diode 250 with respect to the keyc. In this embodiment, the light guide 270 is disposed around the elastic member 240 or in one of the embodiments, the light guide 270 is located at one side of the elastic member 240. Such design is favorable to increasing irradiation range on the one hand, and on the other hand is favorable to realizing the utilization of reflecting again to keycap internal reflection light.
In order to facilitate identification of the key cap, and to facilitate use and input, in one embodiment, the lower surface of the key cap 230 adjacent to the elastic member 240 is provided with a label layer, or the upper surface of the elastic member 240 adjacent to the key cap 230 is provided with a label layer. The keycap 230 is generally transparent. Further, in one embodiment, the identification layer is a relatively dark text printing layer, i.e. text with a relatively dark contrast ratio with respect to the panel and the elastic member, so as to facilitate user identification. Due to the design, the mark layer is prevented from being invaded by a user or external water vapor during use, and the service life of the mark layer is prolonged.
In order to achieve comprehensive and effective killing, in one embodiment, the number and the positions of the short wave ultraviolet light emitting diodes are set according to the irradiation range of the short wave ultraviolet light emitting diodes, so that all the keycaps are irradiated by ultraviolet rays, or the panel and all the keycaps are irradiated by ultraviolet rays; in order to ensure the killing effect, the irradiation intensity of the ultraviolet irradiation range of the keyboard structure is more than 40 microwatts per square centimeter, namely the irradiation intensity I>40μW/cm2. The specific irradiation intensity can be flexibly set according to actual requirements. Further, in one embodiment, the number and the positions of the short wave ultraviolet light emitting diodes are set according to the light emitting range of the short wave ultraviolet light emitting diodes, so that all the keycaps are irradiated by ultraviolet rays, or the panel and all the keycaps are irradiated by ultraviolet rays; this allows sterilization to be achieved without reflective conditions.
In one embodiment, the keyboard structure comprises a plurality of short wave ultraviolet light emitting diodes and the short wave ultraviolet light emitting diodes are arranged in two rows; in one embodiment, as shown in FIG. 7, the keyboard structure includes ten short wavelength UV LEDs 250 arranged in two rows, and the combination of illumination ranges 260 includes the positions of all keycaps 230 on the panel 220, i.e., all of the keycaps are illuminated by the exiting light. If reflection is not a concern, when the light emission range 260 is small, the amount of short wavelength ultraviolet light emitting diodes 250 is relatively increased, and in one embodiment, as shown in fig. 8, the keyboard structure includes fourteen short wavelength ultraviolet light emitting diodes 250 arranged in two rows, each short wavelength ultraviolet light emitting diode 250 is disposed under one key cap 230, and seven short wavelength ultraviolet light emitting diodes 250 are disposed in each row, so that the entire light emission range 260 includes all the key caps 230 on the front panel 220.
In one embodiment, as shown in FIG. 9, the keyboard structure includes twenty-one short wavelength UV LEDs 250, each short wavelength UV LED 250 is disposed under a key cap 230, the twenty-one short wavelength UV LEDs 250 are arranged in four rows, and one short wavelength UV LED 250 is vacancy-supplemented such that a substantial portion of the face plate 220, and all of the key caps 230, are UV-illuminated. In one embodiment, as shown in FIG. 10, the keyboard structure includes twenty-three short wavelength UV LEDs 250, each short wavelength UV LED 250 is disposed below a key cap 230, and arranged in five rows, and two short wavelength UV LEDs 250 are vacancy-supplemented such that a substantial majority of the positions of the faceplate 220, and thus all of the key caps 230, are UV-illuminated.
In order to avoid influence on the killing effect caused by shielding ultraviolet light, the short-wave ultraviolet light emitting diode is far away from the elastic part and the shielding structural part on the body. In one embodiment, the faceplate is also made of a material penetrating ultraviolet rays, and the shortwave ultraviolet light emitting diode is arranged below the faceplate and/or below the keycap. Further, in one embodiment, the panel comprises a transmission plate and a reflection plate which are connected, wherein the transmission plate is made of a material capable of penetrating ultraviolet rays and is used for transmitting emergent rays of the short-wave ultraviolet light emitting diode; the reflecting plate is made of an ultraviolet reflecting material and is used for reflecting emergent light of the short-wave ultraviolet light-emitting diode or reflected light of the cover plate structure, so that the utilization rate of the emergent light of the short-wave ultraviolet light-emitting diode is higher, and the irradiation range of the short-wave ultraviolet light-emitting diode is substantially enlarged.
In one embodiment, as shown in FIG. 11, the keyboard structure comprises twenty-four short wavelength UV LEDs 250, each short wavelength UV LED 250 is disposed below the front panel 220, and the twenty-four short wavelength UV LEDs 250 are arranged in three rows, such that substantially all of the front panel 220 and all of the key caps 230 are exposed to UV radiation. In one embodiment, as shown in fig. 12, the short-wave ultraviolet light emitting diode 250 includes a first short-wave ultraviolet light emitting diode 251 disposed below the keycap 230 and a second short-wave ultraviolet light emitting diode 252 disposed below the panel 220, in this embodiment, six first short-wave ultraviolet light emitting diodes 251 are respectively disposed below the six keycaps 230 in a one-to-one correspondence, and one second short-wave ultraviolet light emitting diode 252 is disposed below the panel 220. In this case, if the reflected light is not matched, only a partial area of the keyboard can be sterilized, and the sterilization range can be more comprehensive if the keyboard is used together with the cover plate structure 350 of other embodiments.
In order to provide a keyboard assembly that is easy to use and better protects the user, in one embodiment, a keyboard assembly includes the keyboard structure of any of the embodiments. In one embodiment, a keyboard assembly includes a cover structure and a keyboard structure; the keyboard structure comprises a body, a panel arranged on the body, an elastic piece arranged on the body, and keycaps arranged on the elastic piece and penetrating through the panel, wherein at least part of the keycaps are provided with transmission regions prepared by ultraviolet-penetrating materials; the keyboard structure further comprises a short-wave ultraviolet light-emitting diode, the short-wave ultraviolet light-emitting diode is arranged on the body, and the irradiation range of the short-wave ultraviolet light-emitting diode penetrates through at least part of the keycaps; the cover plate structure covers the panel and the keycap and is used for shielding emergent rays emitted by the short wave ultraviolet light emitting diode. In one product design, the keyboard assembly is a keyboard with a rotatable cover plate, namely the keyboard structure is used as the keyboard, and the cover plate structure is used as the cover plate and is rotatably arranged on the keyboard. By adopting the design, the short-wave ultraviolet light emitting diode is skillfully combined on the keyboard, and the effects of disinfection and sterilization are achieved.
In order to facilitate the transmission of visible light, in one embodiment, the cover structure is a transparent member for transmitting visible light, for example, the cover structure is a transparent plastic member. In order to facilitate the full utilization of the emergent light of the short-wave ultraviolet light emitting diode, in one embodiment, a surface of the cover plate structure adjacent to the keyboard structure is provided with a reflecting layer for reflecting the emergent light or the cover plate structure is integrally used for reflecting the emergent light. In order to facilitate quick use and convenient storage, in one embodiment, the cover plate structure is rotatably disposed on the body. The design is beneficial to producing and preparing keyboard products which are sold integrally and used integrally, and the cover plate structure does not influence the use at all and is easy to be accepted by users.
In one embodiment, a keyboard assembly is shown in fig. 13, which includes a cover structure 350 and a keyboard structure 320, the keyboard structure 320 includes a body 210, a front plate 220 disposed on the body 210, an elastic member 240 disposed on the body 210, and a key cap 230 disposed on the elastic member 240 and penetrating through the front plate 220, the keyboard structure 320 further includes a short wave ultraviolet light emitting diode 250; the short wave ultraviolet light emitting diode 250 is arranged on the body 210, and the irradiation range 260 of the short wave ultraviolet light emitting diode 250 penetrates through at least part of the keycap 230; the cover structure 350 covers the panel 220 and the key cap 230, and is used for shielding the emergent light 410 emitted by the short-wave ultraviolet light emitting diode 250. In this embodiment, the cover structure 350 is a transparent member, the cover structure 350 is integrally configured to reflect the emergent light 410 to form the reflected light 420 irradiating the panel 220 of the keyboard structure 320 and the rest of the key caps 230, the emergent light 410 and the reflected light 420 together form an irradiation range 260 irradiating the panel 220 of the keyboard structure 320 and the key caps 230, and the irradiation range 260 includes a plurality of light emitting ranges 261 formed by the emergent light 410.
In one embodiment, a mobile terminal includes the keyboard structure of any of the embodiments. In one embodiment, a mobile terminal includes: a main body; the keyboard structure is fixedly arranged on the main body and comprises a body, a panel arranged on the body, an elastic piece arranged on the body, and a keycap arranged on the elastic piece and penetrating through the panel, wherein at least part of the keycap is provided with a transmission area prepared by adopting a material penetrating through ultraviolet rays; the keyboard structure further comprises a short-wave ultraviolet light-emitting diode, the short-wave ultraviolet light-emitting diode is arranged on the body, and the irradiation range of the short-wave ultraviolet light-emitting diode penetrates through at least part of the keycaps; the shell is rotatably arranged on the main body and is used for covering the keyboard structure; and the display structure is fixedly arranged on the shell and is also connected with the body of the keyboard structure. In one embodiment, the mobile terminal includes a notebook computer, a device having a mobile function and a keypad input, a vehicle having a keypad, and the like. It can be understood that the mobile terminal performs sterilization during non-use, for example, when the screen of the notebook computer is closed, the short-wave ultraviolet light emitting diode with sufficient irradiation intensity is temporarily turned on, and the touch position of the keyboard and the like is sterilized directly through the emergent light and through the reflected light through the keycap or the panel to achieve the sterilization effect.
In order to make full use of ultraviolet light for sterilization as much as possible, in one embodiment, the mobile terminal further includes a cover plate structure fixedly disposed on the display structure, the cover plate structure is used for transmitting visible light of the display structure, and reflecting emergent light emitted by the short wave ultraviolet light emitting diode in a state where the casing covers the keyboard structure and in a state where the short wave ultraviolet light emitting diode emits light. Further, in one embodiment, the cover structure is a film layer attached to the display structure. Further, in one embodiment, the cover plate structure is used for reflecting the emergent light emitted by the short wave ultraviolet light emitting diode and forming reflected light towards the panel or the keycap. In one embodiment, the cover structure is made of Polycarbonate (PC-UV400) resistant to light with a wavelength below 400 nm, for example, Polycarbonate (PC) sheets or films resistant to light with a wavelength below 400 nm are attached to the display structure. To avoid uv leakage affecting user safety, further, in one embodiment, the housing closely covers the keyboard structure to eliminate gaps; or, the casing is provided with a convex body at the edge position covering the keyboard structure to shield the light transmission gap. The design is beneficial to realizing the reflection of light rays, expanding the irradiation range and fully utilizing ultraviolet light for sterilization; on the other hand, the usage amount of the short-wave ultraviolet light emitting diode is reduced, so that the traditional production line is prevented from being changed too much, and the effect of saving cost is achieved; on the other hand, the cover plate structure is favorable for protecting the internal components of the display structure, and the accelerated aging of a display screen, such as a liquid crystal structure or a film structure, caused by ultraviolet light irradiation is avoided. When the keyboard is used, the display screen is only needed to be covered, and ultraviolet light can be transmitted by the transparent keys of the keyboard part and is reflected and extended by the cover plate structure.
Further, in one embodiment, the panel and the key cap are made of uv-transparent material, the short wave uv led is disposed under the panel and/or under the key cap, and the mounting height of the short wave uv led on the body is set according to the light emitting angle of the short wave uv led and the distance between the short wave uv led and the cover plate structure, so that the target range is irradiated by the light emitted from the short wave uv led or the reflected light from the cover plate structure. In one embodiment, the target range is all of the keycaps; alternatively, the target range is the panel and all of the keycaps. It will be appreciated that where the target area is the entirety of the key cap, it will necessarily include some of the gaps between the key cap and the faceplate, some of these gaps being illuminated when the shortwave uv led is illuminated, i.e. when there is an outgoing light ray, and some of these gaps being illuminated when the cover structure is reflecting light. The design is favorable for disinfecting and sterilizing the parts of the keyboard which are possibly contacted with users and the parts which are possibly provided with garbage during use, and the number of the short wave ultraviolet light-emitting diodes can be reduced as much as possible and the requirements of comprehensive disinfection and sterilization are met due to the ingenious design of the installation height.
In one embodiment, a mobile terminal is shown in fig. 14, and includes: a main body 310; the keyboard structure 320 is fixedly arranged on the main body 310, the keyboard structure 320 comprises a body 210, a panel 220 arranged on the body 210, an elastic part 240 arranged on the body 210, and a keycap 230 arranged on the elastic part 240 and penetrating through the panel 220, wherein the keycap 230 is made of a material penetrating ultraviolet rays; the keyboard structure 320 further comprises a short wave ultraviolet light emitting diode 250, the short wave ultraviolet light emitting diode 250 is arranged on the body 210, and an irradiation range 260 of the short wave ultraviolet light emitting diode 250 penetrates through at least part of the keycap 230; a housing 340 rotatably disposed on the main body 310, the housing 340 being used for covering the keyboard structure 320; and a display structure 330 fixedly disposed on the housing 340, the display structure 330 further connected to the body 210 of the keyboard structure 320. In this embodiment, each short wave uv led 250 is disposed under a key cap 230.
In one embodiment, a mobile terminal is shown in fig. 15, which is different from the embodiment shown in fig. 14 in that an short wavelength ultraviolet light emitting diode 250 is disposed below a faceplate 220, so that an irradiation range 260 of the short wavelength ultraviolet light emitting diode 250 more fully covers the faceplate and a keycap.
In one embodiment, a mobile terminal is shown in fig. 16, which is different from the embodiments shown in fig. 14 and 15, in that the mobile terminal further includes a cover structure 350 fixedly disposed on the display structure 330, the cover structure 350 is configured to transmit visible light of the display structure 330, and reflect emergent light 410 emitted by the short wavelength ultraviolet light emitting diode 250 in a state where the casing 340 covers the keyboard structure 320 and in a state where the short wavelength ultraviolet light emitting diode 250 emits light. In this embodiment, since the cover structure 350 reflects light, the number of the short-wave uv leds 250 can be greatly reduced, which saves materials and costs, and is also beneficial to reducing the sterilization power consumption. In one embodiment, the faceplate 220 may also be made of uv transparent material, and the short wavelength uv led 250 is disposed under the faceplate 220 and/or under the key cap 230.
Referring to fig. 17, the outgoing light ray 410 is reflected by the cover structure 350 to generate a reflected light ray 420 that irradiates the front panel 220 and the rest of the key caps 230 of the keyboard structure 320, and the outgoing light ray 410 and the reflected light ray 420 together form an irradiation range that substantially covers all the front panel 220 and all the key caps 230 of the keyboard structure 320.
Further, in practical applications, since the maximum scattering angle of the short-wave uv led can reach to be even more than 120 degrees, considering the relative distance between the screen and the keyboard of the mobile terminal, such as a notebook computer, and the pixel pitch (also called dot pitch) of the adjacent short-wave uv leds is less than or equal to 35mm, such a design considers the existing materials, and can achieve the purpose of fully covering the irradiation range of the panel 220 and the keycap 230 without additional development of new products.
In one embodiment, a keyboard sterilization method is shown in fig. 18, and includes the steps of: a cover plate structure is adopted to shield the keyboard structure; starting the short-wave ultraviolet light emitting diode so that emergent light rays of the short-wave ultraviolet light emitting diode penetrate through at least part of keycaps of the keyboard structure, wherein at least part of the keycaps are provided with transmission regions made of ultraviolet-penetrating materials; the emergent light is reflected by the cover plate structure to generate reflected light which irradiates a panel and other keycaps of the keyboard structure. In one embodiment, the keyboard sterilization method is applied to the keyboard structure of any embodiment, or the keyboard sterilization method is implemented by using the keyboard structure of any embodiment. Conventional keyboards employ leds as backlight or indicator lights, but no designs using uv leds, no mention of short-wave uv leds with enhanced germicidal effect, because long-term user contact with the keyboard, such as uv leds as backlight or indicator lights, can cause severe damage to the user's body, especially skin. In the embodiments of the application, the short-wave ultraviolet light emitting diode is turned on only when the user does not use the keyboard or in a state that the keyboard structure is shielded by the cover plate structure, so that the safety of the user is considered on the premise of realizing the ultraviolet sterilization function, which is a perfect product.
In order to improve the overall killing capability, in one embodiment, the emergent light also passes through the panel, and the panel is also made of a material which penetrates through ultraviolet rays; in one embodiment, the cover structure is made of polycarbonate resistant to light having a wavelength of less than 400 nm to provide sufficient ultraviolet light reflectivity. In one embodiment, the keyboard structure is shielded by a cover plate structure, which includes: the display structure with the cover plate structure is adopted to shield the keyboard structure, wherein the cover plate structure is a protective film. In one embodiment, the display structure comprises a liquid crystal screen. In one embodiment, when the sensing cover plate structure shields the keyboard structure, the short-wave ultraviolet light emitting diode is automatically started and lasts for a preset time; further, in one embodiment, the preset time period is 1 second to 3 seconds. In one embodiment, the preset time period is 10 seconds to 30 seconds. In one embodiment, the predetermined time period is 60 seconds to 300 seconds. The selection of the preset duration is related to the power, the quantity and the position of the short-wave ultraviolet light-emitting diode, and the requirement is mainly seen, if the short-wave ultraviolet light-emitting diode is frequently used, the preset duration, namely the light-emitting time can be shorter; if the power is large, the light-emitting time can be shorter; if the number is large, the light-emitting time can be shorter, and so on.
Other embodiments of the present application further include a keyboard structure, a keyboard assembly, a mobile terminal, and a keyboard sterilization method, which are formed by combining technical features of the above embodiments.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (12)
1. A keyboard structure comprises a body, a panel arranged on the body, an elastic piece arranged on the body, and a keycap arranged on the elastic piece and penetrating through the panel, and is characterized by further comprising a short wave ultraviolet light emitting diode;
at least part of the keycap is provided with a transmission area prepared by adopting a material which penetrates through ultraviolet rays;
the short wave ultraviolet light emitting diode is arranged on the body, and the irradiation range of the short wave ultraviolet light emitting diode penetrates through at least part of the keycap.
2. The keyboard structure of claim 1, wherein some or all of the keycaps are made of a material that is transparent to ultraviolet light; and/or the short-wave ultraviolet light emitting diode is arranged below the keycap; and/or the keycap only provided with the short-wave ultraviolet light emitting diode below is provided with a transmission area prepared by adopting an ultraviolet-penetrating material; and/or a diffuse reflection surface is arranged inside the transmission area of the keycap; and/or a light guide body is arranged below the keycap and above the short wave ultraviolet light emitting diode of the keyboard structure, and the light guide body is used for transmitting emergent rays of the short wave ultraviolet light emitting diode; and/or the keycap is provided with a smooth surface on the outside.
3. The keyboard structure of claim 1, wherein the number and positions of the short wavelength ultraviolet light emitting diodes are set according to the irradiation range of the short wavelength ultraviolet light emitting diodes, so that all of the keycaps are irradiated with ultraviolet rays, or the panel and all of the keycaps are irradiated with ultraviolet rays; and/or the irradiation intensity of the ultraviolet irradiation range of the keyboard structure is more than 40 microwatts per square centimeter; and/or the short wave ultraviolet light emitting diode is far away from the elastic piece and the metal part or the thickening position on the body.
4. The keyboard structure of claim 1, wherein the faceplate is also made of uv transparent material, and the short wavelength uv led is disposed under the faceplate and/or under the keycap.
5. The keyboard structure of any one of claims 1 to 4, wherein the UV transmissive material comprises UV bandpass sheets and quartz.
6. The keyboard structure of claim 5, wherein the short wave UV LED has an emission wavelength of 253.5 nm or 254 nm, and the UV bandpass filter corresponds to a 253.5 nm bandpass filter or 254 nm bandpass filter; and/or a mark layer is arranged on the lower surface of the keycap, which is adjacent to the elastic piece, or on the upper surface of the elastic piece, which is adjacent to the keycap.
7. A keyboard assembly is characterized by comprising a cover plate structure and a keyboard structure;
the keyboard structure comprises a body, a panel arranged on the body, an elastic piece arranged on the body, and keycaps arranged on the elastic piece and penetrating through the panel, wherein at least part of the keycaps are provided with transmission regions prepared by ultraviolet-penetrating materials;
the keyboard structure further comprises a short-wave ultraviolet light-emitting diode, the short-wave ultraviolet light-emitting diode is arranged on the body, and the irradiation range of the short-wave ultraviolet light-emitting diode penetrates through at least part of the keycaps;
the cover plate structure covers the panel and the keycap and is used for shielding emergent rays emitted by the short wave ultraviolet light emitting diode.
8. The keyboard assembly of claim 7, wherein the cover structure is a transparent member; and/or one surface of the cover plate structure adjacent to the keyboard structure is provided with a reflecting layer for reflecting the emergent ray or the whole cover plate structure is used for reflecting the emergent ray; and/or the cover plate structure is rotatably arranged on the body.
9. A mobile terminal, comprising:
a main body;
the keyboard structure is fixedly arranged on the main body and comprises a body, a panel arranged on the body, an elastic piece arranged on the body, and a keycap arranged on the elastic piece and penetrating through the panel, wherein at least part of the keycap is provided with a transmission area prepared by adopting a material penetrating through ultraviolet rays; the keyboard structure further comprises a short-wave ultraviolet light-emitting diode, the short-wave ultraviolet light-emitting diode is arranged on the body, and the irradiation range of the short-wave ultraviolet light-emitting diode penetrates through at least part of the keycaps;
the shell is rotatably arranged on the main body and is used for covering the keyboard structure; and
the display structure is fixedly arranged on the shell and is also connected with the body of the keyboard structure.
10. The mobile terminal of claim 9, further comprising a cover structure fixedly disposed on the display structure, wherein the cover structure is configured to transmit visible light of the display structure and reflect the emitted light of the short wave ultraviolet light emitting diode in a state where the casing covers the keyboard structure and in a state where the short wave ultraviolet light emitting diode emits light.
11. A keyboard sterilization method is characterized by comprising the following steps:
a cover plate structure is adopted to shield the keyboard structure;
starting the short-wave ultraviolet light emitting diode so that emergent light rays of the short-wave ultraviolet light emitting diode penetrate through at least part of keycaps of the keyboard structure, wherein at least part of the keycaps are provided with transmission regions made of ultraviolet-penetrating materials;
the emergent light is reflected by the cover plate structure to generate reflected light which irradiates a panel and other keycaps of the keyboard structure.
12. The keyboard sterilization method of claim 11, wherein the emergent light also passes through the panel, and the panel is also made of a material that passes through ultraviolet rays; and/or automatically starting the short-wave ultraviolet light emitting diode for a preset duration when the keyboard structure is shielded by the induction cover plate structure; and/or the cover plate structure is made of polycarbonate with the light ray resistance of less than 400 nanometers; and/or, adopt the apron structure to shelter from the keyboard structure, include: the display structure with the cover plate structure is adopted to shield the keyboard structure, wherein the cover plate structure is a protective film.
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| CN202110307640.7A CN113031785B (en) | 2021-03-23 | 2021-03-23 | Keyboard structure, keyboard assembly, mobile terminal and keyboard sterilization method |
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| CN202110307640.7A CN113031785B (en) | 2021-03-23 | 2021-03-23 | Keyboard structure, keyboard assembly, mobile terminal and keyboard sterilization method |
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