CN210006637U - keys with display function - Google Patents

Abstract

The utility model discloses an kind have display function's button to realize showing information on small and exquisite product with low costs, specifically include transparent substrate (10), shade and circuit board (20), shade sets up transparent substrate's back, general transparent substrate separates into light transmission area and light tight district, the profile in light transmission area is the same with the profile that shows content, the circuit board is supported shade's keeping away from transparent substrate's side, the circuit board has light emitting element and push type switch, light emitting element with light transmission area is relative in the space, the touch-control portion of push type switch with touch-control structure contact on the transparent substrate, the utility model discloses a light emitting element on transparent substrate, shade and the circuit board realizes the display function, compares the charactron and shows, and it has the characteristics that thickness is little, compares the LCD display screen, and it has advantage with low costs.

Description

keys with display function

Technical Field

The utility model relates to a button, especially kinds of buttons that have display function.

Background

However, the nixie tube is large in thickness, the thinnest nixie tube is 7mm in the existing nixie tube types, and the nixie tube cannot be applied to small products due to the excessive thickness.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing kinds of buttons with display function to realize showing information on small and exquisite product with low costs.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

A key with display function, the key with display function includes transparent substrate, shade and circuit board, the shade sets up transparent substrate's back, will transparent substrate separates into light zone and opaque district, the profile in light zone is the same with the profile of demonstration content, the circuit board is supported shade keep away from transparent substrate's side, the circuit board has light emitting component and push switch, light emitting component with the light zone is relative in the space, push switch's touch-control portion with touch-control structure contact on the transparent substrate.

Preferably, the transparent substrate is composed of a combination of a rigid inner plate and a flexible outer plate.

Preferably, the rigid inner plate is a plastic plate, the flexible outer plate is a silicon rubber plate, the plastic plate is provided with an th through hole with the same contour as the light-transmitting area, the back of the silicon rubber plate is provided with a th protruding part matched with the th through hole, and the th protruding part is embedded in the th through hole.

Preferably, the touch structure on the transparent substrate includes a second through hole disposed on the plastic plate, a movable piece disposed in the second through hole and capable of moving along an axis of the second through hole, and a second protrusion disposed on the silicone plate and abutting against the movable piece.

Preferably, the transparent substrate includes a panel, a side plate extending from an edge of the panel to a back of the panel, and a fitting portion extending from a lower end of the side plate.

Preferably, the light shielding device is a light shielding layer attached to the transparent substrate.

Preferably, the light shielding layer is light shielding oil or light shielding paint.

Preferably, the light-transmitting area includes a figure and/or a seven-segment number, when the light-transmitting area includes the seven-segment number, each segments corresponding to the seven-segment number on the circuit board are respectively provided with a light-emitting element, and when the light-transmitting area includes the figure, or more light-emitting elements corresponding to the figure on the circuit board are provided.

Preferably, a plurality of the pressing switches are provided, a space is left between the plurality of the pressing switches, and the graphics and/or the seven-segment numbers are spatially opposite to the space between the pressing switches.

Preferably, a light emitting element is also arranged around the push switch, and the touch structure is transparent.

The light emitting element is preferably an LED.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

the utility model discloses a light emitting component on transparent substrate, shade and the circuit board realizes showing the function, compares the charactron and shows, the utility model discloses thickness is little, can be applied to on the small and exquisite product, can show the figure moreover. Compare the LCD display screen, the utility model has the advantages of with low costs.

Drawings

Fig. 1 is a bottom view of a key having a display function;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an exploded view of a button with a display function;

FIG. 4 is a schematic view of a light-shielding layer and a light-transmitting region;

FIG. 5 is a side view of a key with display function;

reference numeral 10 denotes a transparent substrate, 11 denotes a silicone plate, 111 denotes a second protrusion, 112 denotes an th protrusion, 12 denotes a plastic plate, 121 denotes a second through hole, 122 denotes a th through hole, 123 denotes a movable piece, 13 denotes a panel, 14 denotes a side plate, 15 denotes an assembly portion, 16 denotes a light-transmitting region, 20 denotes a circuit board, 21 denotes a light-emitting element, 22 denotes a push switch, 30 denotes a light-shielding layer, 40 denotes a screw.

Detailed Description

The present invention will be further explained in with reference to the drawings and examples.

Referring to fig. 1 to 5, the key with a display function includes a transparent substrate 10, the transparent substrate 10 is composed of a rigid inner plate and a flexible outer plate, a light-shielding oil is attached to the back of the transparent substrate 10, a hand-feeling oil is attached to the face of the transparent substrate 10, the light-shielding oil forms a light-shielding layer 30, the light-shielding layer 30 forms a light-shielding device, the light-shielding device divides the transparent substrate 10 into a light-transmitting area 16 and a light-opaque area, and the outline of the light-transmitting area 16 is the same as the outline of the display content. The rigid inner plate adopts a plastic plate 12, the flexible outer plate adopts a silica gel plate 11, and the rigid inner plate and the flexible outer plate are combined through a clamping structure.

The key with the display function further comprises a circuit board 20, wherein the circuit board 20 is mounted on the rigid inner plate through a screw 40, the circuit board 20 is supported on the side of the shading device far away from the transparent substrate 10, the circuit board 20 is provided with a light-emitting element 21 and a press switch 22, the light-emitting element 21 is spatially opposite to the light-transmitting area 16, and a touch part of the press switch 22 is in contact with a touch structure on the transparent substrate 10.

The light emitted from the light emitting device 21 is only irradiated through the transparent region 16 on the transparent substrate 10 after being blocked by the light blocking device, so that the shape of the transparent region 16 is displayed by transmitting light. When the touch structure on the transparent substrate is pressed, the touch portion of the push switch 22 is pressed, and the output state of the push switch 22 changes.

In this embodiment, the light-transmitting area 16 includes four seven-segment numbers, light-emitting elements 21 are respectively disposed on each segments of the circuit board 20 corresponding to the seven-segment numbers, the light-emitting elements 21 are LEDs, and different numbers or characters can be displayed by controlling the light-emitting combination of the light-emitting elements 21, thereby implementing the function of the nixie tube.

By adopting the structure, the function of the nixie tube is realized on the key. The thickness of the light-emitting element 21 is much smaller than that of the nixie tube, and the nixie tube can be applied to small products. Meanwhile, the display function can be realized only by adding the light-emitting element 21 and the light shielding device, and the cost of the elements is far lower than that of the LCD screen and the drive IC thereof, so that the cost can be effectively saved.

In the above embodiment, the light shielding oil is used as the light shielding device, and the manufacturing process is simple. Specifically, the light shielding oil may be attached to the back of the transparent substrate 10 by spraying, and then the light-transmitting region 16 may be laser etched. Instead of the light-blocking oil, a light-blocking paint may also be used.

In the above embodiment, the transparent substrate 10 is a composite plate formed by combining a rigid inner plate and a flexible outer plate, the rigid inner plate functions as a skeleton, and the flexible outer plate provides a good hand feeling.

The utility model discloses other shade can also be adopted, like scraps of paper, sheetmetal, plastic piece etc. can fix them at the back of transparent substrate 10 through sticky mode, also can clamp them between transparent substrate 10 and circuit board 20.

When a pattern is used, or more light-emitting elements 21 are provided on the circuit board 20 corresponding to the pattern, and light emitted from the light-emitting elements 21 is transmitted through the pattern, and the shape of the pattern is displayed by transmitting the light.

Referring to fig. 2 and 3, step is to provide a touch structure on the transparent substrate 10, which includes a second through hole 121 disposed on the plastic plate 12, a movable plate 123 disposed in the second through hole 121 and capable of moving along an axis of the second through hole 121, and a second protrusion 111 disposed on the silicon plate 11 and abutting against the movable plate 123. when pressed, the pressed portion of the silicon plate 11 deforms downward, the second protrusion 111 pushes the movable plate 123 to move downward, and further presses the touch portion of the push switch 22, and when the external force is removed, the pressed portion of the silicon plate 11 deforms upward and returns to its original state, the movable plate 123 returns upward, and the push switch 22 returns.

Referring to fig. 2, 3 and 4, step is to provide a th through hole 122 having the same contour as the contour of the transparent region 16 on the plastic plate 12, provide a th protrusion 112 matching with the th through hole 122 on the back of the silicone plate 11, and embed the th protrusion 112 in the th through hole 122. in the aspect of , the plastic plate 12 and the silicone plate 11 can be tightly combined together at , and in addition, in , the light emitted from the light emitting device 21 only passes through materials (the silicone plate 11), so that the display brightness is better.

And , the key with display function has two said press switches 22, there is a space between the two said press switches 22, and the seven-segment digit is spatially opposite to the said space between the press switches 22.

Further , a light emitting device 21 is also disposed around the push switch 22, the touch structure is transparent, and light generated by the light emitting device 21 is emitted through the touch structure, so as to distinguish the position of the touch area on the transparent substrate 10, thereby achieving the function of indication.

Referring to fig. 5, the transparent substrate 10 includes a panel 13, a side plate 14 extending from an edge of the panel 13 to a back of the panel 13, and a mounting portion 15 extending from a lower end of the side plate 14. When the assembly part 15 and the side plates 14 are applied to a product, the assembly part and the side plates are accommodated in a shell of the product, and the panel 13 of the transparent substrate 10 is flush with the surface of the shell of the product, so that the appearance of the product is simple and elegant.

The present invention has been described in detail with reference to the specific embodiments, and the detailed description is only for assisting the skilled person in understanding the content of the present invention, and can not be understood as the limitation of the protection scope of the present invention. Various decorations, equivalent changes and the like which are performed on the scheme by the technical personnel in the field under the conception of the invention are all included in the protection scope of the invention.

Claims (11)

1. keys with display function, wherein the keys with display function comprises a transparent substrate (10), a light shielding device and a circuit board (20), the light shielding device is arranged on the back of the transparent substrate (10) and divides the transparent substrate (10) into a transparent area (16) and an opaque area, the outline of the transparent area (16) is the same as that of the display content, the circuit board (20) is supported on the side of the light shielding device far away from the transparent substrate (10), the circuit board (20) is provided with a light-emitting element (21) and a push switch (22), the light-emitting element (21) is spatially opposite to the transparent area (16), and the touch portion of the push switch (22) is in contact with the touch structure on the transparent substrate (10).
2. 2. The key with display function according to claim 1, wherein the transparent substrate (10) is composed of a combination of a rigid inner plate and a flexible outer plate.
3. 3. The key with display function according to claim 2, wherein the rigid inner plate is a plastic plate (12), the flexible outer plate is a silicone plate (11), the plastic plate (12) is provided with an th through hole (122) having the same contour as the light-transmitting region (16), the back of the silicone plate (11) is provided with a th protrusion (112) matching with the th through hole (122), and the th protrusion (112) is embedded in the th through hole (122).
4. 4. The key with display function according to claim 3, wherein the touch structure on the transparent substrate (10) comprises a second through hole (121) disposed on the plastic plate (12), a movable sheet (123) disposed in the second through hole (121) and capable of moving along an axis of the second through hole (121), and a second protrusion (111) disposed on the silicone plate (11) and abutting against the movable sheet (123).
5. 5. The key having a display function according to claim 1, wherein the transparent substrate (10) includes a face plate (13), a side plate (14) formed to extend from an edge of the face plate (13) to a back of the face plate (13), and a fitting portion (15) formed to extend outward from a lower end of the side plate (14).
6. 6. The key with display function of any of claims 1-5, wherein the light shielding means is a light shielding layer (30) attached to the transparent substrate (10).
7. 7. The key with display function according to claim 6, wherein the light shielding layer (30) is a light shielding oil or a light shielding paint.
8. 8. The key with display function according to any of claims 1-5, wherein the transparent area (16) comprises a figure and/or a seven-segment number, when the transparent area comprises the seven-segment number, each segment of the circuit board (20) corresponding to the seven-segment number is provided with a light emitting element (21), and when the transparent area comprises the figure, or more light emitting elements (21) are arranged on the circuit board (20) corresponding to the figure.
9. 9. The button with display function according to claim 8, wherein there are a plurality of said push switches (22), a space is left between a plurality of said push switches (22), and said graphics and/or seven-segment numbers are spatially opposite to said space between the push switches (22).
10. 10. The key with display function according to claim 9, wherein a light emitting element (21) is disposed around the push switch (22), and the touch structure is transparent.
11. 11. The key with display function according to claim 1, wherein said light emitting element (21) is an LED.

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