TWM548880U - Key device with luminous sign - Google Patents

Description

Illuminated sign button device

The present invention relates to a button device, and more particularly to a light-emitting marker button device.

Buttons have been widely used in input devices in the past, and consumer-grade electronic products that are in contact with everyday life or large-scale processing equipment used in industry require a button structure as an input device to operate the above-mentioned electronic products and processing equipment. . Among them, due to the lack of ambient light, the illuminated keyboard came into being.

However, the traditional illuminating keyboard mainly uses a key cap to perform multi-layer spraying and then ray carving to realize the character or pattern illuminating, but the multi-layer spraying and the ray carving process are cumbersome, and it is also necessary to control the time of the multi-layer spraying, the parameters of the ray carving, The process yield and the like result in a higher overall price of the illuminated keyboard relative to the non-illuminated keyboard, which causes the above-mentioned illuminated keyboard to have a problem of excessive cost. In addition, the characters or patterns of the key cap may be worn out due to long-term use, which may make it difficult for the user to recognize the character or the appearance of the damage.

In view of this, the creator has made great efforts to solve the above problems by focusing on the above-mentioned prior art, and has devoted himself to the application of the theory, that is, the goal of the creator's improvement.

The present invention provides an illuminating sign button device which is capable of projecting transmitted light into a display area by using a marking portion of a thin film circuit board to display a character or a pattern in a display area, thereby omitting a multi-layer spraying and a ray carving process of the conventional button device. In order to achieve the illuminating sign, the button device has the effect of illuminating the characters or patterns, improving the yield and saving the cost.

In the present invention, the present invention provides a light-emitting sign button device, comprising: a backlight module; a button component mounted on the backlight module, the button component comprising a key cap and a film circuit board, The keycap has a display area, and the thin film circuit board is disposed between the backlight module and the keycap. The thin film circuit board has a marking portion, and the marking portion is located at the display area.

The detailed description and technical content of the present invention will be described below in conjunction with the drawings, but the drawings are for illustrative purposes only and are not intended to limit the present invention.

Please refer to FIG. 1 to FIG. 4 , the present invention provides a light-emitting mark button device. The light-emitting mark button device 10 mainly includes a backlight module 1 and a button assembly 2 .

As shown in FIG. 1 to FIG. 2 and FIG. 4, the backlight module 1 of the illuminating sign button device 10 is configured to provide light for illumination. In actual implementation, the light guide plate may be combined with a light source, an electroluminescent panel, an LED or other light source as a backlight. Module 1, this case is not limited to this.

As shown in FIG. 1 to FIG. 4, the button assembly 2 is mounted on the backlight module 1. The button assembly 2 includes a key cap 21 having a top wall 211 and a peripheral wall 212 formed around the top wall 211. The wall 211 is provided with a display area 213.

As described in detail below, the display area 213 of the top wall 211 is made of a transparent material or a translucent transparent material, and is coated with a transparent UV layer 214 thereon. Preferably, the display area 213 can be made of a transparent plastic material to add a toner to achieve a translucent visual effect. In the portion other than the display area 213 of the top wall 211, a light shielding layer may be disposed to concentrate the light emitted by the backlight module in the display area 213, and the present invention is not limited thereto.

Moreover, as shown in FIG. 4, one embodiment of the peripheral wall 212 is, for example, the peripheral wall 212 is integrally formed around the top wall 211, and the peripheral wall 212 is coated with a light shielding layer 215; or another implementation of the peripheral wall 212 For example, the peripheral wall 212 is surrounded by the top wall 211 by secondary injection molding, and the peripheral wall 212 is made of an opaque material. Thereby, when the light is irradiated to the keycap 21, it is not easily penetrated by the peripheral wall 212, and the brightness of the light is concentrated at the top wall 211 (ie, at the display area 213).

Furthermore, as shown in FIG. 1 to FIG. 4, the button assembly 2 further includes an elastic body 22, a bottom plate 23, a link structure 24 and a thin film circuit board 25. The bottom plate 23 is disposed above the backlight module 1. The rod structure 24 is connected to the keycap 21 at one end and to the bottom plate 23 at the other end, so that the keycap 21 can be lifted and lowered relative to the bottom plate 23 through the link structure 24. A film circuit board 25 is disposed above the bottom plate 23, and the elastic body 22 is interposed between the keycap 21 and the film circuit board 25. The bottom plate 23 defines a through hole 231 corresponding to the display area 213.

As shown in FIGS. 1 to 4, the thin film circuit board 25 is disposed between the backlight module 1 and the keycap 2, and the thin film circuit board 25 has a sign portion 31, and the mark portion 31 is located at a position of the display region 213. Preferably, the indicator portion 31 is permeable to ink printing.

Further, as shown in FIG. 1 , the indicator portion 31 includes a light transmissive ink marking layer 311 and an opaque ink layer 312 printed on the thin film circuit board 25 , and the opaque ink layer 312 is disposed on the transparent ink marking. Around the layer 311, the light-transmissive ink marking layer 311 is a character or a pattern. When the light is directed to the marking portion 31, the light-transmitting ink marking layer 311 exhibits a luminous effect, and the opaque ink layer 312 marking layer 311 exhibits a dark effect, thereby utilizing The characters or patterns are lit and the surroundings are darkened to reveal the appearance of characters or patterns. In the embodiment, the marking portion 31 uses the transparent ink marking layer 311 and the opaque ink layer 312 at the same time. In actual application, the characters may be formed only by the transparent ink marking layer or the opaque ink layer. As the logo section 31, this creation is not limited to this.

The thin film circuit board 25 is made of a light transmissive material and includes an upper film layer 251, a lower film layer 252, and a spacer film layer 253 interposed between the upper film layer 251 and the lower film layer 252. The upper film layer 251 has a first guiding portion 2512. The lower film layer 252 is provided with a second guiding portion 2522 at the corresponding first guiding portion 2512. The spacer film layer 253 is disposed at the first guiding portion 2512 and The first hole connecting portion 2522 and the second guiding portion 2522 are opposite ends of the second guiding portion 2522. When the elastic body 22 is located at the position of the first guiding portion 2512 and the keycap 21 is pressed downward, the first guiding portion 2512 and the second guiding portion 2522 are The contacts are turned on to trigger the button signal; when the key cap 21 is not pressed, the elastic body 22 causes the keycap 21 to be reset.

In order to prevent the thickness of the thin film circuit board 25 from affecting the brightness, the indicator portion 31 may be disposed on one of the thin film circuit boards 25 (in the embodiment, the indicator portion 31 may be formed on the upper film layer 251, the lower film layer 252, and One of the spacer film layers 34) is provided with a transparent opening corresponding to the other layers. In the present embodiment, the lower film layer 252 defines a first air permeable opening 2521 corresponding to the display area 213, the second film permeable opening 2531 is defined in the spacer film layer 253, and the indicator portion 31 is formed on the upper film layer 251, and the indicator portion 31, The positions of the first air vents 2521, the second air vents 2531, and the through holes 231 overlap each other. Therefore, the light emitted by the backlight module 1 can be transmitted to the indicator portion 31 through the through opening 231, so that the user can see the indicator portion 31 through the display area 213 of the keycap 21, thereby replacing the printing on the keycap of the conventional keyboard. character. It should be particularly noted that the arrangement of the elastic body 22 and the link structure 24 does not overlap with the space in which the indicator portion 31 is projected onto the display region 213 to avoid obstructing the indicator portion 31.

In addition, as shown in FIG. 4, the top wall 211 of the present embodiment is provided with a thickening portion 216 having a thickness h1 at a portion of the non-corresponding indicator portion 31. Therefore, the thickness h2 of the portion of the top wall 211 corresponding to the indicator portion 31 is smaller than the thickening portion 216. The thickness h1 is formed by adding a color or a translucent material to the top wall 211, which causes the thickened portion 216 of the top wall 211 to be less transparent. In this embodiment, the elastic body 22 can be correspondingly disposed. The top wall 211 corresponds to the portion of the thickening portion 216, so that the effect of covering the elastic body 22 can be achieved. Similarly, the key cap 21 is used to connect the pivot hole or the chute structure of the link structure 24, and may also be disposed on a portion of the top wall 211 that does not correspond to the indicator portion 31.

As shown in FIG. 1 to FIG. 4, the combination of the present illuminating sign button device 10 is mounted on the backlight module 1 by using the button assembly 2, the button assembly 2 includes a key cap 21, and the key cap 21 has a display area 213; The thin film circuit board 25 is disposed between the backlight module 1 and the keycap 2, and the thin film circuit board 25 has a mark portion 31, and the mark portion 31 is located at a position of the display region 213.

As shown in FIG. 2 to FIG. 4, the use state of the illuminating sign button device 10 is to guide the light to the button assembly 2 by using the backlight module 1, and the light sequentially passes through the through hole 231 and the second air vent. 2531 and the first air vent 2521 are irradiated to the indicator portion 31, so that the indicator portion 31 embodies a state in which a character or a pattern emits light, and the indicator portion 31 can project light to the display region 213 of the keycap 21, so that the display region 213 is presented. Characters or patterns, while omitting the steps of multi-layer spraying and laser engraving of the conventional button device, so as to achieve the effect of the illuminating sign button device 10 having the characters or patterns, the improvement of the yield and the cost saving, and because of the logo of the creation The portion 31 is provided on the thin film circuit board 25, and is not provided on the keycap 21, and is not touched by the fingers of the user. Therefore, even if it is used for a long period of time, the characters do not wear or fall off due to pressing.

In addition, when the backlight module 1 does not emit light, no light is applied to the indicator portion 31, so that the indicator portion 31 does not reflect characters or patterns, and the key cap 21 does not present characters or patterns and has a plain surface effect.

Please refer to FIG. 5, which is another embodiment of the present illuminated light-emitting button device 10. The embodiment of FIGS. 1 to 4 is substantially the same as the embodiment of FIG. 5, but the embodiment of FIG. 1 to FIG. 4 and FIG. The embodiment differs in that the composition of the indicator portion 31 is different.

Further, as described below, the indicator portion 31 includes an opaque ink marking layer 313 and a light transmissive ink layer 314 printed on the thin film circuit board 25, and the transparent ink layer 314 is disposed around the opaque ink marking layer 313. The light-transmissive ink marking layer 313 is a character or a pattern. When the light is directed to the marking portion 31, the opaque ink marking layer 313 exhibits a dark effect, and the light-transmitting ink layer 314 exhibits a luminous effect, and then the characters or patterns are darkened and the surrounding is emitted. Light up to highlight the character or pattern. Thereby, the functions and effects similar to the embodiments of FIGS. 1 to 4 are achieved.

In summary, the illuminating sign button device of the present invention can achieve the intended use purpose, and solve the lack of conventional knowledge, and has industrial utilization, novelty and progress, fully conforms to the requirements of the new patent application, and converts to the patent law. To file an application, please check and grant the patent in this case to protect the rights of the creator.

10‧‧‧Lighting button device

1‧‧‧Backlight module

2‧‧‧Key components

21‧‧‧Key Cap

211‧‧‧ top wall

212‧‧‧Walls

213‧‧‧Display area

214‧‧‧Transparent UV layer

215‧‧‧Lighting layer

216‧‧‧ Thickened bottom edge

22‧‧‧ Elastomers

23‧‧‧floor

231‧‧‧through

24‧‧‧ linkage structure

25‧‧‧Film board

251‧‧‧Upper film layer

2512‧‧‧First Guide

252‧‧‧ lower film layer

2521‧‧‧ first air outlet

2522‧‧‧Second Guide

253‧‧‧ spacer film layer

2531‧‧‧Second air outlet

2532‧‧‧through hole

31‧‧‧Marking Department

311‧‧‧Transparent ink marking layer

312‧‧‧ opaque ink layer

313‧‧‧ opaque ink marking layer

314‧‧‧Transparent ink layer

H1, h2‧‧‧ thickness

Figure 1 is an exploded perspective view of the illuminating sign button device of the present invention.

Figure 2 is a three-dimensional combination of the creation of the illuminated sign button device.

Figure 3 is a top plan view of the illuminating sign button device of the present invention.

Figure 4 is a schematic cross-sectional view of the illuminating sign button device of the present invention.

Figure 5 is an exploded perspective view of another embodiment of the present illuminating sign button device.

10‧‧‧Lighting button device

1‧‧‧Backlight module

2‧‧‧Key components

21‧‧‧Key Cap

211‧‧‧ top wall

212‧‧‧Walls

213‧‧‧Display area

214‧‧‧Transparent UV layer

215‧‧‧Lighting layer

22‧‧‧ Elastomers

23‧‧‧floor

231‧‧‧through

24‧‧‧ linkage structure

25‧‧‧Film board

251‧‧‧Upper film layer

252‧‧‧ lower film layer

253‧‧‧ spacer film layer

31‧‧‧Marking Department

311‧‧‧Transparent ink marking layer

312‧‧‧ opaque ink layer

Claims (12)

The illuminating sign button device comprises: a backlight module; and a button component mounted on the backlight module, the button component comprises a key cap and a film circuit board, the key cap has a display area, the film circuit The board is disposed between the backlight module and the keycap, and the film circuit board has a marking portion, and the marking portion is located at the position of the display area. The illuminating sign button device of claim 1, wherein the key cap has a top wall, the top wall is made of a transparent material or a translucent material, and the display area is formed on the top wall. The illuminating sign button device of claim 2, wherein the key cap further has a peripheral wall encircling the top wall in an integrally formed manner, the peripheral wall being coated with a light shielding layer. The illuminating sign button device of claim 2, wherein the key cap further has a peripheral wall surrounded by the second injection molding, and the peripheral wall is made of an opaque material. The illuminating sign button device of claim 1, wherein the sign portion comprises a light transmissive ink mark layer printed on the film circuit board and an opaque ink layer, wherein the opaque ink layer is disposed on the light transmissive layer Around the ink mark layer, the light transmissive ink mark layer is a character or a pattern. The illuminating mark button device of claim 1, wherein the sign portion comprises an opaque ink mark layer printed on the film circuit board and a light transmissive ink layer, wherein the light transmissive ink layer is disposed in the opaque layer Around the ink marking layer, the opaque ink marking layer is a character or pattern. The illuminating sign button device of claim 1, wherein the film circuit board comprises an upper film layer, a lower film layer, and a spacer film layer interposed between the upper film layer and the lower film layer, the marking portion One of the upper film layer, the lower film layer, and the spacer film layer is formed. The illuminating sign button device of claim 7, wherein the lower film layer defines a first air permeable opening, the spacer film layer defines a second air venting opening, the marking portion is formed on the upper film layer, and the marking portion is The positions of the first air vent and the second air vent are overlapped with each other. The illuminating sign button device of claim 1, wherein the key cap has a top wall, and the top wall is provided with a thickening portion at a portion of the non-corresponding marking portion, the thickness of the portion of the top wall corresponding to the marking portion being less than The thickness of the thickened portion. The illuminating sign button device of claim 9, wherein the button assembly further comprises an elastic body, the pair of elastic bodies being disposed at the thickening portion. The illuminating sign button device of claim 1, wherein the button component further comprises a bottom plate disposed between the backlight module and the thin film circuit board, the bottom plate defines a through hole, the through hole and the mark The positions of the parts correspond to each other. The illuminating sign button device of claim 11, wherein the button component further comprises a link structure, one end of the link structure is connected to the key cap, the other end is connected to the bottom plate, and the link structure and the sign portion are The spaces projected to the display area do not overlap.