Keyboard light source assembly and luminous keyboard

Abstract

The keyboard light source assembly comprises a keyboard positioning plate, the keyboard positioning plate is provided with a plurality of key hole sites used for arranging a plurality of keyboard shaft bodies in a penetrating mode, the upper surface of the keyboard positioning plate is provided with a light source, and the light source comprises a printed circuit and a plurality of LED lamp beads connected with the printed circuit. The LED lamp beads are connected through a printed circuit, and the printed circuit is provided with a power source and a signal input end. And the printed circuit and the plurality of LED lamp beads are integrated on the upper surface of the keyboard positioning plate or integrated on an FPC (Flexible Printed Circuit). The keyboard positioning plate is provided with a plurality of key hole sites, the plurality of LED lamp beads are respectively arranged on the side surfaces of the plurality of key hole sites, or the FPC is provided with the same through hole sites at positions corresponding to the key hole sites, the plurality of LED lamp beads are respectively arranged on the side surfaces of the plurality of through hole sites, and the FPC covers the keyboard positioning plate in a manner that the through hole sites are aligned with the key hole sites one by one. The keyboard light-emitting assembly serves as a keyboard positioning plate to be installed in the light-emitting keyboard, and therefore LED light is directly emitted from the bottoms of the key caps.

Description

TECHNICAL FIELD

[0001] The utility model relates to computer keyboard technical field especially, a kind of keyboard light source assembly and luminous keyboard. BACKGROUND

[0002] Keyboard is a kind of data input device for operating equipment and inputting instruction, the existing keyboard mainly includes membrane keyboard and mechanical keyboard, wherein, mechanical keyboard has PCB board at bottom, and the upper is the key of 100 or so independent shaft body to trigger signal, i.e. each key has a single switch to control closing. The light-emitting design of mechanical keyboard usually sets an LED lamp at the position corresponding to each key of PCB board, and a positioning plate for fixing shaft body is arranged above PCB board. The shaft body is usually provided with a window as a light-transmitting through hole. The shaft body is made of light-transmitting material. The light shines through the light-transmitting through hole of the shaft body. Therefore, the light source of the existing luminous keyboard needs to be transmitted out from the keyboard component. The light is weakened in the process. The light of mechanical keyboard shines out from the light-transmitting through hole of the shaft body. The angle of light diffusion is limited, which also affects the light brightness of the keyboard key cap bottom. Moreover, the keyboard is usually powered by USB interface, which cannot support high current, and the current consumption generated by the lamp bead needs to be controlled. In addition, the photoelectric efficiency of LED lamp bead is usually less than 30%. The higher the brightness is, the more heat it generates. The user can obviously perceive it, and the product experience is poor. Moreover, the large heat also affects the service life of the keyboard. Therefore, the existing luminous keyboard needs to be further optimized and improved. SUMMARY

[0003] Therefore, the utility model provides a kind of keyboard light source assembly and luminous keyboard, realize at the same power work of the same LED lamp bead, compared with the existing luminous keyboard, light-emitting brightness is higher.

[0004] The technical scheme disclosed by the utility model relates to a kind of keyboard light source assembly, including keyboard positioning plate, keyboard positioning plate is equipped with the multiple key hole positions for the multiple keyboard shaft body of being threaded, the upper surface of keyboard positioning plate is equipped with light source, the light source includes printed circuit and multiple LED lamp beads connected with printed circuit, multiple LED lamp beads are connected by printed circuit, and printed circuit is equipped with power supply and signal input end. The printed circuit and multiple LED lamp beads are integrated on the upper surface of keyboard positioning plate or integrated on a FPC flexible circuit board. When the printed circuit and multiple LED lamp beads are integrated on keyboard positioning plate, multiple LED lamp beads are respectively arranged on the side of multiple key hole positions. When the printed circuit and multiple LED lamp beads are integrated on a FPC flexible circuit board, the FPC flexible circuit board is equipped with the same through hole position corresponding to key hole position, multiple LED lamp beads are respectively arranged on the side of multiple through hole positions, and FPC flexible circuit board is pasted on keyboard positioning plate with through hole position and key hole position one-to-one alignment.

[0005] In one aspect, the keyboard positioning plate bottom is provided with a plurality of copper columns, the printed circuit and the plurality of LED lamp beads are integrated in the keyboard positioning plate, the printed circuit is connected with three copper columns, and the three copper columns are respectively used for connecting 5V power input, ground and control signal input. The three copper columns are used as the power and signal input end.

[0006] When the printed circuit and the plurality of LED lamp beads are integrated in an FPC flexible circuit board, the FPC flexible circuit board is provided with a gold finger plug connector, and the gold finger plug connector is used as the power and signal input end.

[0007] Preferably, the LED lamp bead adopts WS2812B patch full-color LED.

[0008] The present application also discloses a light-emitting keyboard, which comprises a keyboard shell, a keyboard mainboard, a shaft body and a keycap, the keyboard light source assembly is installed on the keyboard mainboard as a keyboard positioning plate, and the keyboard mainboard is provided with a power and signal output end connected with a power and signal input end.

[0009] Further, the power and signal output end of the keyboard mainboard is three copper-filled holes connected with the circuit of the keyboard mainboard, and the three copper-filled holes are respectively used for connecting 5V power output, ground and control signal output.

[0010] Further, the power and signal output end of the keyboard mainboard is a straight plug connector.

[0011] Further, the keyboard mainboard is also provided with an LED matrix lamp control chip, or the main control chip of the keyboard mainboard is provided with an LED matrix lamp control program, which is used for outputting control of a plurality of LED lamp beads to output a matrix lamp effect.

[0012] The beneficial effects of this utility model are as follows: The keyboard light source designed by this technical solution is mainly integrated on the upper surface of the keyboard positioning plate. This includes directly processing the keyboard positioning plate using the PCB printed circuit board process, with printed circuits and multiple LED beads on the keyboard positioning plate. Alternatively, an FPC flexible circuit board can be attached to the upper surface of the keyboard positioning plate, and multiple LED beads can be set on the FPC flexible circuit board. The keyboard light source structure designed by this solution is simple. The light from the LED beads directly illuminates the bottom of the keycaps, and the LED light is directly refracted from the bottom of the keycaps and the upper base of the switch. The light does not need to penetrate other components, and the brightness of the light is not reduced. Therefore, with the same number of LED beads and power output, the brightness of the LEDs is brighter than the traditional solution where they are set on the keyboard motherboard. This results in a brighter keyboard using this solution. Furthermore, with this solution, when the LED beads malfunction, only the top shell of the keyboard needs to be removed, making it easier to troubleshoot the LED bead malfunction. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the basic printed circuit of the keyboard positioning plate and multiple LED beads in an embodiment of this utility model.

[0014] Figure 2 This is a schematic diagram of the multiple copper pillar structure at the bottom of the keyboard positioning plate of this utility model.

[0015] Figure 3 This is a schematic diagram of the printed circuit structure of multiple LED beads connected in series according to this utility model.

[0016] Figure 4 This is a schematic diagram showing the connection between the three copper pillars of this utility model as power and signal input terminals and an LED lamp bead circuit.

[0017] Figure label:

[0018] 1. Keyboard positioning plate; 101. Key holes; 2. LED beads; 3. Copper pillars. Detailed Implementation

[0019] The technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of this disclosure.

[0020] Example 1

[0021] Please refer to Figures 1 to 4An embodiment of the keyboard light source assembly provided by the technical scheme, the keyboard light source assembly comprises a keyboard positioning plate 1, the keyboard positioning plate 1 is provided with a plurality of key hole positions 101 for penetrating a plurality of keyboard shaft bodies, the upper surface of the keyboard positioning plate 1 is provided with a light source, the light source comprises a printed circuit and a plurality of LED lamp beads 2 connected with the printed circuit, the plurality of LED lamp beads 2 are connected through the printed circuit, and the printed circuit is provided with a power supply and a signal input end. The printed circuit and the plurality of LED lamp beads 2 are integrated on the upper surface of the keyboard positioning plate 1 or integrated on an FPC flexible circuit board. When the printed circuit and the plurality of LED lamp beads 2 are integrated on the keyboard positioning plate 1, the plurality of LED lamp beads 2 are arranged on the side surfaces of the plurality of key hole positions 101 respectively. When the printed circuit and the plurality of LED lamp beads 2 are integrated on the FPC flexible circuit board, the FPC flexible circuit board is provided with the same through hole positions corresponding to the positions of the key hole positions 101, the plurality of LED lamp beads 2 are arranged on the side surfaces of the plurality of through hole positions respectively, and the FPC flexible circuit board is attached to the keyboard positioning plate 1 in a one-to-one alignment manner through the through hole positions and the key hole positions 101.

[0022] Please refer to Figures 2 to 4 In order to connect the plurality of LED lamp beads 2 in series through the printed circuit, the keyboard positioning plate 1 is provided with a plurality of copper columns 3, when the printed circuit and the plurality of LED lamp beads 2 are integrated on the keyboard positioning plate 1, the printed circuit is connected with three copper columns 3, and the three copper columns 3 are respectively used for connecting a 5V power supply input, a ground and a control signal input, and the three copper columns 3 serve as the power supply and the signal input end. The copper columns 3 are electrically connected with the keyboard mainboard to provide the power supply and the control signal.

[0023] As another preferred scheme, when the printed circuit and the plurality of LED lamp beads 2 are integrated on the FPC flexible circuit board, the FPC flexible circuit board is provided with a gold finger plug, and the gold finger plug serves as the power supply and the signal input end. By integrating the printed circuit and the plurality of LED lamp beads 2 on the FPC flexible circuit board, it is convenient to detect faults of the LED lamp beads 2 or directly replace the FPC flexible circuit board, so that the waste of resources is reduced.

[0024] Preferably, the LED lamp beads 2 adopt WS2812B patch full-color LEDs, and by arranging the full-color LEDs, different light colors can be output according to the control chip of the keyboard mainboard.

[0025] Embodiment two

[0026] The scheme also discloses a light-emitting keyboard, which comprises a keyboard shell, a keyboard mainboard, a shaft body and a keycap, the keyboard light source assembly is installed on the keyboard mainboard as the keyboard positioning plate 1, and the keyboard mainboard is provided with a power supply and a signal output end connected with a power supply and a signal input end.

[0027] Further, the power supply and signal output end of the keyboard mainboard is three copper sinking holes connected with the circuit of the keyboard mainboard, three copper sinking holes are used for connecting 5V power output, ground, and control signal output respectively, the three copper columns 3 on the keyboard positioning plate 1 as the power supply and signal input end are connected with the copper sinking holes, and are fixed by screws, so that the keyboard positioning plate 1 and the keyboard mainboard are fixedly connected, and electrical connection is realized.

[0028] The printed circuit and the plurality of LED lamp beads 2 are integrated in a FPC flexible circuit board, the power supply and signal output end of the keyboard mainboard is a straight plug connector, and the straight plug connector is plugged with the gold finger plug-in end of the FPC flexible circuit board to realize the connection of the power supply and the control signal.

[0029] Further, the keyboard mainboard is further provided with an LED matrix lamp control chip, or the main control chip of the keyboard mainboard is provided with an LED matrix lamp control program, which is used for outputting control of the plurality of LED lamp beads 2 outputting matrix lamp effect. The LED lamp beads 2 can be full-color LED lamp beads with built-in chips, and the built-in chips can be WS2812, SK6812, etc.

[0030] The keyboard light source and the light-emitting keyboard structure disclosed by the above embodiment are simple in structure design, the light of the LED lamp beads 2 is directly irradiated to the bottom of the keycap, the LED lamp light is directly refracted from the bottom of the keycap and the upper base of the shaft body, the light irradiation does not need to penetrate other components, and the light brightness will not be reduced, so that the brightness of the LED lamp is brighter than the traditional scheme arranged on the keyboard mainboard under the condition of the same lamp beads and power output, so that the brightness effect of the light-emitting keyboard using the keyboard light source of the scheme is better.

[0031] The above has described the embodiments of the present disclosure, the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles, practical application, or improvement of the technology in the market of the embodiments, or to enable other ordinary skilled persons in the art to understand the embodiments disclosed herein.

Claims

1. A keyboard light source assembly, comprising a keyboard positioning plate, wherein a plurality of key hole positions for passing a plurality of keyboard shafts are arranged on the keyboard positioning plate, and characterized in that, an upper surface of the keyboard positioning plate is provided with a light source, the light source comprising a printed circuit and a plurality of LED lamp beads connected to the printed circuit, the plurality of LED lamp beads being connected through the printed circuit, and the printed circuit being provided with a power supply and a signal input end; the printed circuit and the plurality of LED lamp beads are integrated on the upper surface of the keyboard positioning plate or a FPC flexible circuit board; when the printed circuit and the plurality of LED lamp beads are integrated on the keyboard positioning plate, the plurality of LED lamp beads are arranged on the side of the plurality of key hole positions, respectively; when the printed circuit and the plurality of LED lamp beads are integrated on the FPC flexible circuit board, the FPC flexible circuit board is provided with the same through hole positions corresponding to the positions of the key hole positions, the plurality of LED lamp beads are arranged on the side of the plurality of through hole positions, respectively, and the FPC flexible circuit board is attached to the keyboard positioning plate in a one-to-one alignment manner through the through hole positions and the key hole positions.

2. The keyboard light assembly of claim 1, wherein, the keyboard positioning plate is provided with a plurality of copper columns at the bottom, when the printed circuit and the plurality of LED lamp beads are integrated on the keyboard positioning plate, the printed circuit is connected to three copper columns, and the three copper columns are used for connecting a 5V power input, a ground, and a control signal input, respectively, and the three copper columns serve as the power supply and the signal input end.

3. The keyboard light assembly of claim 1, wherein, when the printed circuit and the plurality of LED lamp beads are integrated on the FPC flexible circuit board, the FPC flexible circuit board is provided with a gold finger plug connector, and the gold finger plug connector serves as the power supply and the signal input end.

4. The keyboard light assembly of claim 1, wherein, the LED lamp beads adopt WS2812B patch full-color LEDs.

5. A lighted keyboard comprising a keyboard housing, a keyboard main board, a shaft body and a key cap, characterized in that, the keyboard light source assembly according to any one of claims 1-4 is installed on a keyboard main board as a keyboard positioning plate, and the keyboard main board is provided with a power supply and a signal output end connected to the power supply and the signal input end.

6. A lighted keyboard as defined in claim 5, wherein, the power supply and the signal output end of the keyboard main board are three copper-embedded holes connected to the circuit of the keyboard main board, and the three copper-embedded holes are used for connecting a 5V power output, a ground, and a control signal output, respectively.

7. A lighted keyboard as defined in claim 5, wherein, the power supply and the signal output end of the keyboard main board are a straight plug connector.

8. The lighted keyboard of claim 5, wherein, the keyboard main board is further provided with an LED matrix lamp control chip, or a main control chip of the keyboard main board is built-in with an LED matrix lamp control program for outputting control of a plurality of LED lamp beads to output a matrix lamp effect.

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