CN117637379A - Luminous keyboard - Google Patents

Luminous keyboard Download PDF

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Publication number
CN117637379A
CN117637379A CN202210955314.1A CN202210955314A CN117637379A CN 117637379 A CN117637379 A CN 117637379A CN 202210955314 A CN202210955314 A CN 202210955314A CN 117637379 A CN117637379 A CN 117637379A
Authority
CN
China
Prior art keywords
light
holes
light source
circuit membrane
source diffusion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210955314.1A
Other languages
Chinese (zh)
Inventor
林世斌
杨朝傑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Jingyuan Computer Co ltd
Original Assignee
Jiangxi Jingyuan Computer Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Jingyuan Computer Co ltd filed Critical Jiangxi Jingyuan Computer Co ltd
Priority to CN202210955314.1A priority Critical patent/CN117637379A/en
Publication of CN117637379A publication Critical patent/CN117637379A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H01H13/7065—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys characterised by the mechanism between keys and layered keyboards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H01H13/7065—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys characterised by the mechanism between keys and layered keyboards
    • H01H13/7073—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys characterised by the mechanism between keys and layered keyboards characterised by springs, e.g. Euler springs

Landscapes

  • Push-Button Switches (AREA)

Abstract

A luminous keyboard comprises a supporting plate, a circuit unit, a plurality of luminous units, a light source diffusion layer, a plurality of elastic pieces, a plurality of bridging units and a plurality of key caps. The circuit unit comprises a lower circuit membrane, a middle spacer and an upper circuit membrane, each light-emitting unit is provided with a plurality of light-emitting parts, the light source diffusion layer is arranged above the upper circuit membrane and is provided with a plurality of light-transmitting areas respectively corresponding to each light-emitting unit, and the elastic parts are made of elastic materials and are arranged on the light source diffusion layer. By means of the integral configuration, light generated by the light emitting piece can be transmitted to the keycap through the light source diffusion layer, and the keycap achieves a light emitting effect.

Description

Luminous keyboard
Technical Field
The present invention relates to a keyboard, and more particularly, to a light emitting keyboard.
Background
An existing luminous keyboard (taiwan certificate number I697927 patent application) comprises a keyboard module and a backlight module. The keyboard module comprises a plurality of key caps. The backlight module is arranged below the keyboard module and comprises at least one luminous element, a light guide plate, an interference unit and a light spot unit. The light emitted by the light emitting element can be emitted into the light guide plate and received by the light guide plate. The interference unit can guide part of light rays in the light guide plate to the appointed area, thereby increasing the brightness of the appointed area, and the light spot unit comprises a plurality of light spot parts respectively corresponding to the key caps. When the light emitted by the light emitting element reaches the light spot part in the light guide plate, the light is guided to the key caps by the light spot part, so that the effect of emitting light by each key cap is achieved.
The luminous keyboard has more components and more complex structure, can increase the trouble of manufacturing and assembling, and can not achieve the purposes of miniaturization, light weight and thinness of products.
Another existing light-emitting keyboard (taiwan certificate number I681431 patent application) comprises a light guide substrate, a supporting plate, a plurality of key caps, a plurality of lifting connectors and a circuit board. The light guide substrate can be made of light guide materials and has the function of guiding light, and comprises a plurality of assembling structures for assembling the lifting connecting pieces.
One side of the light guide substrate can be provided with a luminous piece to correspondingly irradiate the light guide substrate, after light enters the light guide substrate, the light which is upwards transmitted to the bottom surface of the support plate can be reflected back to the light guide substrate through a reflecting layer, so that the light can be concentrated to be upwards transmitted from a plurality of hollow parts of the support plate and hollow parts of the circuit board so as to irradiate each key cap, and the use environment with insufficient illumination can be responded.
The luminous keyboard is characterized in that a reflecting layer is arranged on the bottom surface of the supporting plate, the reflecting layer can be printed or coated on the bottom surface of the supporting plate by ink, and the reflecting layer can also be a glue layer or a film layer and can be fixed on the bottom surface of the supporting plate by means of adhesion, hot melting, adhesion and the like.
Therefore, the arrangement of the reflective layer is troublesome and increases the manufacturing cost.
Disclosure of Invention
The invention aims to provide a luminous keyboard which can simplify the structure, is easy to manufacture and assemble, can reduce the manufacturing and assembling cost and reduce the thickness of the keyboard.
The invention discloses a luminous keyboard, which comprises a supporting plate, a circuit unit, a plurality of luminous units, a light source diffusion layer, a plurality of elastic pieces, a plurality of bridging units and a plurality of key caps, wherein the circuit unit is arranged above the supporting plate and comprises a lower circuit diaphragm, a middle spacer and an upper circuit diaphragm, the lower circuit diaphragm is adjacent to the supporting plate, the middle spacer is arranged above the lower circuit diaphragm, the upper circuit diaphragm is arranged above the middle spacer, the lower circuit diaphragm is provided with a plurality of lower conducting parts, the middle spacer is provided with a plurality of through holes respectively corresponding to the lower conducting parts, the lower through holes are respectively arranged around the corresponding through holes, the upper circuit diaphragm is provided with a plurality of upper through holes respectively corresponding to the lower conducting parts and the through holes, the upper circuit diaphragm is respectively arranged around the corresponding upper conducting parts, the luminous units extend to the lower through holes, the bridging units are respectively arranged above the light source diffusion layer, the upper circuit diaphragm is provided with a plurality of upper through holes respectively corresponding to the upper conducting parts, the bridging units are respectively arranged around the corresponding upper conducting parts, the light source diffusion layers are respectively arranged above the elastic pieces, and the light source diffusion layers are respectively arranged above the light source diffusion layers respectively, and the light source diffusion layers are respectively arranged above the elastic pieces respectively.
In the light-emitting keyboard of the invention, each light-transmitting area of the light source diffusion layer is surrounded by the black-printed shading part in a frame shape.
According to the luminous keyboard disclosed by the invention, each light-transmitting area of the light source diffusion layer is provided with the through hole corresponding to the corresponding elastic piece and a plurality of atomization parts which are arranged around the corresponding through hole in a surrounding manner and respectively correspond to the luminous pieces.
According to the luminous keyboard, the atomization part of the light source diffusion layer is printed by white atomization ink.
The circuit unit further comprises a first transparent adhesive layer arranged on the lower circuit membrane and between the lower circuit membrane and the middle partition, a second transparent adhesive layer arranged on the middle partition and between the middle partition and the upper circuit membrane, and a third transparent adhesive layer arranged on the upper circuit membrane and between the upper circuit membrane and the light source diffusion layer, wherein the first transparent adhesive layer is provided with a plurality of first round holes corresponding to the lower conducting parts respectively, a plurality of first through holes surrounding the periphery of the corresponding first round holes, the second transparent adhesive layer is provided with a plurality of second round holes corresponding to the lower conducting parts respectively, a plurality of second through holes surrounding the periphery of the corresponding second round holes, and a plurality of third round holes corresponding to the lower conducting parts respectively, and each first through hole, the corresponding lower through holes, the corresponding second through holes and the corresponding light source containing cavity which is jointly defined by the first through holes, the corresponding second through holes and the upper light source diffusion layer.
According to the luminous keyboard, each luminous piece of the luminous unit adopts a Micro LED (Micro-LED).
The invention has the beneficial effects that: the light generated by the light-emitting unit can be transmitted to the keycap through the light source diffusion layer by utilizing the cooperation of the integral structure, the keycap achieves the light-emitting effect, the integral structure is simple, the manufacturing and the assembly are easy, the product can achieve the purposes of miniaturization, light weight and thinning, and the manufacturing cost can be reduced.
Drawings
FIG. 1 is an exploded perspective view of one embodiment of a lighted keypad of the present invention;
FIG. 2 is a combined cross-sectional view of the embodiment;
FIG. 3 is an enlarged partial schematic view of FIG. 2; and
Fig. 4 is another combined cross-sectional view of this embodiment.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 3, an embodiment of the light-emitting keyboard of the present invention includes a support plate 10, a circuit unit 20, a plurality of light-emitting units 30, a light source diffusion layer 40, a plurality of elastic members 50, a plurality of bridge units 60 and a plurality of key caps 70. For simplicity of illustration and convenience of explanation, the support plate 10, the circuit unit 20, and the light source diffusion layer 40 are shown only partially, and the number of the light emitting units 30, the elastic members 50, the bridging units 60, and the key caps 70 are shown only singly in the drawings.
The supporting plate 10 is made of metal material and has a top surface 11, and a plurality of mounting groups 12 protruding from the top surface 11, each mounting group 12 having a plurality of assembling portions 121.
The circuit unit 20 is disposed above the support plate 10, and includes a lower circuit film 21 adjacent to the support plate 10, a first transparent adhesive layer 22 disposed above the lower circuit film 21, a middle spacer 23 disposed above the first transparent adhesive layer 22, a second transparent adhesive layer 24 disposed above the middle spacer 23, an upper circuit film 25 disposed above the second transparent adhesive layer 24, and a third transparent adhesive layer 26 disposed above the upper circuit film 25. The lower wiring film 21 has a plurality of lower conductive portions 211.
The first transparent adhesive layer 22 has a plurality of first circular holes 221 corresponding to the lower conducting portions 211, and a plurality of first through holes 222 surrounding the corresponding first circular holes 221, and the purpose of the first transparent adhesive layer 22 is to protect the lower circuit film 21 from being corroded by moisture and liquid to cause short circuit.
The middle partition 23 has a plurality of through holes 231 corresponding to the lower conducting portion 211 and the first round hole 221, and a plurality of lower through holes 232 surrounding the corresponding through holes 231 and corresponding to the first through holes 222.
The second transparent adhesive layer 24 has a plurality of second circular holes 241 corresponding to the lower conductive portion 211 and the through hole 231, and a plurality of second through holes 242 surrounding the corresponding second circular holes 241.
The upper circuit film 25 has a plurality of upper conductive portions 251 corresponding to the lower conductive portions 211, the through holes 231, and the second circular holes 241, and a plurality of upper through holes 252 surrounding the corresponding upper conductive portions 251.
The third transparent adhesive layer 26 has a plurality of third round holes 261 corresponding to the upper conducting portions 251 respectively. And each first through hole 222, each lower through hole 232, each second through hole 242, each upper through hole 252 between the lower circuit film 21 and the third transparent adhesive layer 26 together define a light source cavity 27 (see fig. 4), the third transparent adhesive layer 26 is disposed to protect the upper circuit film 25 from being short-circuited due to erosion of water and liquid through the light source cavity 27.
In addition, the circuit unit 20 further has a plurality of hollowed-out hole sets 28 penetrating the lower circuit film 21, the first transparent adhesive layer 22, the middle partition 23, the second transparent adhesive layer 24, the upper circuit film 25 and the third transparent adhesive layer 26, wherein the hollowed-out hole sets 28 are respectively penetrated by the assembling portions 121 of each of the mounting sets 12.
The light emitting units 30 are respectively corresponding to each lower conducting part 211 and are adhered to the lower circuit film 21, each light emitting unit 30 is provided with a plurality of light emitting pieces 31, the light emitting pieces 31 adopt micro LEDs, and the light emitting pieces 31 are respectively arranged in the light source cavity 27. And a transparent fixing diffusion glue 32 is placed on each light emitting element 31 (see fig. 4).
The light source diffusion layer 40 is disposed above the third transparent adhesive layer 26, and has a plurality of light-transmitting areas 41 corresponding to each light-emitting unit 30, wherein each light-transmitting area 41 is surrounded by a frame-shaped black-printed light-shielding portion 42. Each light-transmitting area 41 has a through hole 411 corresponding to the corresponding elastic member 50, and a plurality of atomization portions 412 surrounding the corresponding through hole 411 and corresponding to the light-emitting members 31, respectively, wherein the atomization portions 412 are printed by white atomized ink.
The elastic member 50 is made of elastic material (e.g. silicone rubber) and is disposed on the light source diffusion layer 40 corresponding to the upper conducting portion 251 and the through hole 411, respectively.
The bridge units 60 are respectively disposed above the light source diffusion layers 40 and respectively correspond to the elastic members 50, each bridge unit 60 has a pair of frame members 61 pivoted to each other, and the bottoms of the frame members 61 are respectively pivoted to the assembling portions 121 of the support plate 10.
The key caps 70 are pivotally connected to the top of the frame member 61 of each bridge unit 60, and are respectively pushed by the elastic members 50, and each key cap 70 has at least one light-transmitting area (the light-transmitting area can be text, symbol or pattern, not shown).
For a further understanding of the nature of the invention, the manner in which the elements of the invention operate and are operated, and the effects expected to be achieved, it is believed that the invention will be better understood and embodied in view of the following description.
As shown in fig. 3, when the entire assembly of the light-emitting keyboard of the present invention is completed, the circuit unit 20, the light source diffusion layer 40, the elastic member 50, the bridging unit 60 and the key cap 70 are sequentially disposed above the supporting plate 10, the light-emitting unit 30 is disposed on the lower circuit film 21, and the light-emitting member 31 is disposed in the light source cavity 27.
When an operator presses the key cap 70, the bridge unit 60 is pivotally connected between the assembling portion 121 and the key cap 70, so that the key cap 70 is stably moved toward the circuit unit 20, and a signal is generated by conducting the corresponding upper conducting portion 251 and lower conducting portion 211, and meanwhile, the light emitting element 31 corresponding to the upper conducting portion 251 and lower conducting portion 211 is also controlled by the signal to generate light, and the light generated by the light emitting element 31 emits light upward through the corresponding light source cavity 27 and the light source diffusion layer 40, and finally the light transmitting area of the key cap 70 emits light (not shown).
The overall structural design of the invention can produce the following effects:
1. the light source diffusion layer 40 is disposed above the third transparent adhesive layer 26 and has the light-transmitting areas 41 corresponding to each light-emitting unit 30, so that the light generated by the light-emitting element 31 can be transmitted to the keycap 70 through the light-transmitting areas 41 of the light source diffusion layer 40, and the keycap 70 can achieve the light-emitting effect. And each light-transmitting region 41 is surrounded by a frame-shaped black-and-white light-shielding portion 42, which is relatively simple to manufacture. The LED light source can be softened by matching with the atomizing parts 412 corresponding to the luminous elements 31 respectively.
2. Referring to fig. 4, a transparent fixing diffusion paste 32 is placed on each light emitting member 31 to generate a light source diffusion effect.
3. Referring to fig. 4, each of the first through holes 222, the corresponding lower through hole 232, the corresponding second through hole 242, and the corresponding upper through hole 252 between the lower circuit film 21 and the third transparent adhesive layer 26 together define a light source cavity 27, so as to avoid the influence of the protruding height of the light emitting element 31 on the electrical conduction function.
4. Referring to fig. 4, the first transparent adhesive layer 22 is disposed to protect the lower circuit film 21 from being corroded by moisture and liquid to cause short circuit. The third transparent adhesive layer 26 is provided to protect the upper circuit film 25 from short circuits caused by erosion of water vapor and liquid passing through the light source cavity 27.
In summary, the luminous keyboard has a simple overall structure and is easy to manufacture, the expected use effect can be achieved, and the aim of the luminous keyboard can be really achieved.

Claims (6)

1. The utility model provides a luminous keyboard, includes backup pad, circuit unit, several luminescence unit, light source diffusion layer, several elastic component, several bridging unit and several keycap, its characterized in that:
the circuit unit is arranged above the supporting plate and comprises a lower circuit membrane, a middle spacer and an upper circuit membrane, wherein the lower circuit membrane is adjacent to the supporting plate, the middle spacer is arranged above the lower circuit membrane, the upper circuit membrane is arranged above the middle spacer, the lower circuit membrane is provided with a plurality of lower conducting parts, the middle spacer is provided with a plurality of through holes respectively corresponding to the lower conducting parts, a plurality of lower through holes surrounding the periphery of the corresponding through holes, and the upper circuit membrane is provided with a plurality of upper conducting parts respectively corresponding to the lower conducting parts and the through holes, and a plurality of upper through holes surrounding the periphery of the corresponding upper conducting parts;
the luminous units are respectively corresponding to each lower conducting part and are arranged on the lower circuit membrane, each luminous unit is provided with a plurality of luminous pieces which are arranged around the corresponding lower conducting part in a surrounding mode, and the luminous pieces are arranged in the corresponding lower perforation and upper perforation in a stretching mode;
the light source diffusion layer is arranged above the upper circuit membrane and is provided with a plurality of light transmission areas corresponding to each light emitting unit respectively;
the elastic piece is made of elastic materials and is arranged on the light source diffusion layer corresponding to the upper conducting part respectively;
the bridging units are respectively arranged above the light source diffusion layers and respectively correspond to the elastic pieces;
the keycaps are respectively arranged above the bridging units and are respectively propped by the elastic pieces, and each keycap is at least provided with a light-transmitting area.
2. A lighted keypad as recited in claim 1, wherein: each light-transmitting area of the light source diffusion layer is surrounded by a frame-shaped black-printed shading part.
3. A lighted keypad as recited in claim 2, wherein: each light-transmitting area of the light source diffusion layer is provided with a through hole corresponding to the corresponding elastic piece and a plurality of atomization parts which are arranged around the corresponding through hole in a surrounding mode and respectively correspond to the luminous pieces.
4. A lighted keypad according to claim 3, wherein: the atomization portion of the light source diffusion layer is printed by white atomization ink.
5. A lighted keypad as recited in claim 1, wherein: the circuit unit further comprises a first transparent adhesive layer arranged on the lower circuit membrane and between the lower circuit membrane and the middle partition plate, a second transparent adhesive layer arranged on the middle partition plate and between the middle partition plate and the upper circuit membrane, and a third transparent adhesive layer arranged on the upper circuit membrane and between the upper circuit membrane and the light source diffusion layer, wherein the first transparent adhesive layer is provided with a plurality of first round holes corresponding to the lower conducting parts respectively, a plurality of first through holes surrounding the corresponding first round holes, the second transparent adhesive layer is provided with a plurality of second round holes corresponding to the lower conducting parts respectively, a plurality of second through holes surrounding the corresponding second round holes, the third transparent adhesive layer is provided with a plurality of third round holes corresponding to the lower conducting parts respectively, and each first through hole, the corresponding lower through holes, the second through holes and the upper through holes between the lower circuit membrane and the third transparent adhesive layer jointly define a corresponding light emitting cavity containing the light source.
6. A lighted keypad as recited in claim 1, wherein: each luminous element of the luminous unit adopts a miniature LED.
CN202210955314.1A 2022-08-10 2022-08-10 Luminous keyboard Pending CN117637379A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210955314.1A CN117637379A (en) 2022-08-10 2022-08-10 Luminous keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210955314.1A CN117637379A (en) 2022-08-10 2022-08-10 Luminous keyboard

Publications (1)

Publication Number Publication Date
CN117637379A true CN117637379A (en) 2024-03-01

Family

ID=90022097

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210955314.1A Pending CN117637379A (en) 2022-08-10 2022-08-10 Luminous keyboard

Country Status (1)

Country Link
CN (1) CN117637379A (en)

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