TWM605371U - Light-emitting keyboard - Google Patents

Abstract

A light-emitting keyboard includes a support plate, a circuit unit, a plurality of light-emitting units, a plurality of elastic parts, a plurality of bridge units and a plurality of key caps. The circuit unit includes a lower circuit film, a plurality of light-emitting groups, a middle partition and an upper circuit film. Each light-emitting unit has a plurality of light-emitting elements, the middle partition has a plurality of through hole groups, and each through hole group has a main Through holes and many through slots, the elastic parts are made of elastic and light-transmissive materials, and each elastic part has a chassis part whose contour range is not less than the inner edge of the corresponding light-emitting parts An inner circle defined jointly. With the overall arrangement, the bright light generated by the light-emitting elements can be transmitted through the through slots, and the light can be transmitted to the key caps through the elastic elements, and the key caps can achieve a light-emitting effect.

Description

Illuminated keyboard

The present invention relates to a keyboard, especially a luminous keyboard.

There is a luminous keyboard (Republic of China certificate number I697927 patent case), which includes a keyboard module and a backlight module. The keyboard module includes a plurality of key caps. The backlight module is arranged under the keyboard module and includes at least one light-emitting element, a light guide plate, an interference unit and a light spot unit. The light emitted by the light-emitting element can enter the light guide plate and be received by the light guide plate. The interference unit can guide part of the light in the light guide plate to the designated area, thereby increasing the brightness of the designated area, and the light spot unit includes a plurality of light spot parts respectively corresponding to the key caps. When the light emitted by the light-emitting element reaches the light point part in the light guide plate, the light will be guided by the light point part to the key caps, thereby achieving the effect of making each key cap emit light.

The luminous keyboard has many components and a complicated structure, which will increase the trouble of manufacturing and assembly, and cannot achieve the purpose of miniaturization, lightness and thinness of the product.

There is another luminous keyboard (the Republic of China Certificate No. I681431 patent case), which includes a light guide substrate, a support plate, multiple key caps, multiple lifting connectors, and a circuit board. The light guide substrate can be made of light guide material and has the function of guiding light, and includes a plurality of assembly structures for assembling the lifting connectors.

One side of the light guide substrate can be provided with a light-emitting element to illuminate the light guide substrate. When the light enters the light guide substrate, the light transmitted upward to the bottom surface of the support plate can be reflected back to the light guide substrate through a reflective layer, so that the light can be concentrated From the majority of the hollow part of the support plate and the hollow part of the circuit board, it penetrates upwards to illuminate each key cap, and can respond to the use environment with insufficient light.

This light-emitting keyboard must be provided with a reflective layer on the bottom surface of the support plate. The reflective layer can be printed with ink or coated on the bottom surface of the support plate. The attached method is fixed on the bottom surface of the support plate.

Therefore, the fabrication of the reflective layer is troublesome, and the manufacturing cost will also increase.

Therefore, the object of the present invention is to provide a light-emitting keyboard that can simplify the structure, is easy to manufacture and assemble, and can reduce the manufacturing cost.

Therefore, the light-emitting keyboard of the present invention includes a support plate, a circuit unit, a plurality of light-emitting units, a plurality of elastic parts, a plurality of bridging units and a plurality of key caps. The circuit unit is arranged above the support plate, and includes a lower circuit diaphragm adjacent to the support plate, a middle spacer arranged above the lower circuit diaphragm, and an upper spacer arranged above the middle spacer A circuit diaphragm, the lower circuit diaphragm has a plurality of lower conductive parts, the middle spacer has a plurality of through hole groups corresponding to the lower conductive parts, each through hole group has a main through hole, and a plurality of The through slot on the outer periphery of the main through hole, the upper circuit film has a plurality of upper conductive parts corresponding to the lower conductive parts and the main through holes, and each upper conductive part is arranged in a light-transmitting area. The area covers the setting range of the through-slots of each through hole group. The light-emitting units respectively correspond to each lower conducting portion and are arranged on the lower circuit film, and each light-emitting unit has a plurality of respectively arranged in the corresponding through-slots. In the light-emitting elements, the inner edges of the light-emitting elements of each light-emitting unit jointly define an inner ring, and the outer edges of the light-emitting elements of each light-emitting unit jointly define an outer ring. It is made of elastic and light-permeable material, and is respectively corresponding to the upper conducting parts and arranged on the upper circuit diaphragm. Each elastic member has a chassis portion that abuts against the upper circuit diaphragm, and the chassis The contour range of the part is not less than the inner ring defined by the inner edges of the corresponding light-emitting elements. The bridging units are respectively arranged above the upper circuit diaphragm and correspond to the elastic parts. The key caps are respectively arranged above the bridging units and are respectively resiliently resisted by the elastic members, and each key cap has at least a light-transmitting area.

The effect of the present invention is: using the overall configuration, the bright light generated by the light-emitting elements can be transmitted through the through slots, and the light can be transmitted to the key caps through the elastic elements, and the key caps can be illuminated The product has the advantages of simple structure and easy manufacturing and assembly, and the product can achieve the purpose of miniaturization, lightness and thinness, and can reduce the manufacturing cost.

Referring to FIGS. 1 to 4, a first 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 plurality of elastic members 40, a plurality of bridging units 50 and a plurality of key caps 60.

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, and each mounting group 12 has a plurality of groups of connecting portions 121.

The circuit unit 20 is disposed above the support plate 10, and includes a lower circuit diaphragm 21 adjacent to the support plate 10, an intermediate spacer 22 disposed above the lower circuit diaphragm 21, and a spacer 22 disposed above the lower circuit diaphragm 21. The upper circuit diaphragm 23 above the middle spacer 22. The lower circuit diaphragm 21 has a plurality of lower conductive portions 211, the middle spacer 22 has a plurality of through hole groups 221 corresponding to the lower conductive portions 211, each through hole group 221 has a main through hole 222, and a plurality of self The main through hole 222 extends outwards and is connected to the main through hole 222 through a through slot 223, the upper circuit diaphragm 23 has a plurality of upper conducting portions 231 respectively corresponding to the lower conducting portions 211 and the main through holes 222 , And most light-transmitting regions 232, each upper conductive portion 231 is disposed in the middle of the corresponding light-transmitting region 232, and each light-transmitting region 232 covers the setting range of the through-grooves 223 of each through hole group 221. The circuit unit 20 also has a plurality of hollows that respectively penetrate the lower circuit diaphragm 21, the middle spacer 22, and the upper circuit diaphragm 23 and are provided on the periphery of the lower conducting portion 211, the through hole group 221, and the upper conducting portion 231 Hole groups 24, the hollow hole groups 24 are respectively provided for the connecting parts 121 of each mounting group 12 to pass through.

The light-emitting units 30 respectively correspond to each lower conductive portion 211 and are fixed to the lower circuit film 21. Each light-emitting unit 30 has a plurality of light-emitting elements 31 respectively disposed in the corresponding through slots 223, and the light-emitting elements 31 uses tiny LEDs, the inner edges of the light emitting elements 31 of each light emitting unit 30 jointly define an inner ring 301, and the outer edges of the light emitting elements 31 of each light emitting unit 30 jointly define an outer ring 302 .

The elastic elements 40 are made of elastic and light-permeable material (such as silicone rubber), and are respectively disposed on the upper circuit diaphragm 23 corresponding to the upper conducting portions 231, and each elastic element 40 is formed on the upper circuit diaphragm 23. A cylindrical shape with a narrow bottom and a wide bottom, and has a chassis portion 41 that abuts against the upper circuit diaphragm 23, and a top portion 42 opposite to the chassis portion 41. The contour range of the chassis portion 41 is not less than the corresponding The inner ring 301 is defined by the inner edges of the light emitting elements 31. In this embodiment, the contour range of the chassis portion 41 of each elastic member 40 is between the inner ring 301 jointly defined by the inner edges of the corresponding light-emitting members 31 and the outer ring 302 jointly defined by the outer edges of the corresponding light-emitting members 31 between.

The bridging units 50 are respectively disposed above the upper circuit diaphragm 23 and respectively correspond to the elastic members 40. Each bridging unit 50 has a pair of frame members 51 pivotally connected to each other. The bottoms of the frame members 51 are respectively It is pivotally connected to the assembly portion 121 of the supporting plate 10.

The keycaps 60 are pivotally connected to the tops of the frame members 51 of each bridging unit 50, and are respectively resiliently pressed by the tops 42 of the elastic members 40, and each keycap 60 has at least a light-transmitting area (the The light-transmitting area can be words, symbols or patterns, not shown in the figure).

In order to further understand the effects of the cooperation of the various elements of the present invention, the technical means used, and the expected effects, the following will be explained again. It is believed that a deeper and specific understanding of the present invention can be obtained from this.

As shown in Figures 3 and 4, when the entire assembly of the illuminated keyboard of the present invention is completed, the support plate 10 is successively provided with a circuit unit 20, an elastic member 40, a bridge unit 50 and a key cap 60, and the light emitting The unit 30 is disposed on the lower circuit film 21 and extends in the slot 223 of the middle spacer 22. The light-emitting element 31 of each light-emitting unit 30 corresponds to each light-transmitting area 232.

When the operator presses the keycaps 60, the bridging units 50 are pivotally connected between the assembling parts 121 and the keycaps 60 to provide the keycaps 60 stably facing the circuit unit 20. Approaching, and the corresponding upper conductive portion 231 and lower conductive portion 211 can be turned on and generate a signal. At the same time, the light emitting element 31 corresponding to the upper conductive portion 231 and the lower conductive portion 211 is also controlled by the signal to generate Bright light, the bright light generated by the light-emitting elements 31 passes through the corresponding light-transmitting area 232, the elastic element 40, and finally the light-transmitting area of the keycap 60 emits light.

And as shown in FIG. 4, in this embodiment, the contour range of the chassis portion 41 of each elastic member 40 is used to lie between the inner ring 301 and the outer edge of the corresponding light-emitting members 31 Between the outer rings 302 defined together, the bright light generated by the light-emitting elements 31 can be effectively transmitted through the elastic element 40 to emit light toward the light-transmitting area of the keycap 60.

As shown in FIG. 5, a second embodiment of the light-emitting keyboard of the present invention is substantially the same as the first embodiment. The difference is that the contour range of the chassis portion 41 of each elastic member 40 is larger than that of the corresponding light-emitting unit. The outer ring 302 is defined by the outer edges of the light emitting elements 31 of 30. The second embodiment can also effectively make the bright light generated by the light-emitting elements 31 pass through the elastic element 40 and emit bright light toward the light-transmitting area of the keycap 60.

In summary, the luminous keyboard of the present invention has a simple overall structure and easy manufacturing and assembly. The product can achieve the design goals of thinning and miniaturization, and it can indeed achieve the goal of new cost.

However, the above-mentioned are only examples of the present model. When the scope of implementation of the present model cannot be limited by this, all simple equivalent changes and modifications made in accordance with the patent scope of the present model application and the contents of the patent specification still belong to This new patent covers the scope.

10: Support plate 11: top surface 12: Installation group 121: Assembly Department 20: circuit unit 21: Lower line diaphragm 211: Lower conduction part 22: septum 221: Through hole group 222: main through hole 223: piercing 23: Upper line diaphragm 231: upper lead part 232: light transmission area 24: hollow hole group 30: light-emitting unit 31: Light-emitting parts 301: inner ring 302: Outer ring 40: Elastic part 41: Chassis Department 42: top 50: Bridging unit 51: frame parts 60: keycap

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, among which: Figure 1 is a perspective exploded view of a first embodiment of the new illuminated keyboard; Figure 2 is a partially exploded perspective view of the first embodiment; Figure 3 is a partially enlarged combined sectional view of the first embodiment; Figure 4 is a cross-sectional view along the line IV-IV in Figure 3; and Fig. 5 is a schematic top view of a second embodiment of the illuminated keyboard of the present invention.

10: Support plate

11: top surface

12: Installation group

121: Assembly Department

20: circuit unit

21: Lower line diaphragm

211: Lower conduction part

22: septum

221: Through hole group

222: main through hole

223: piercing

23: Upper line diaphragm

231: upper lead part

232: light transmission area

24: hollow hole group

30: light-emitting unit

31: Light-emitting parts

301: inner ring

302: Outer ring

40: Elastic part

41: Chassis Department

42: top

50: Bridging unit

51: frame parts

60: keycap

Claims (5)

A luminous keyboard, including: A support plate; A circuit unit is arranged above the support plate and includes a lower circuit diaphragm adjacent to the support plate, a middle spacer arranged above the lower circuit diaphragm, and a middle spacer arranged above the middle spacer The upper circuit diaphragm, the lower circuit diaphragm has a plurality of lower conductive parts, the middle spacer has a plurality of through hole groups corresponding to the lower conductive parts, each through hole group has a main through hole, and most of them are arranged around The through grooves on the outer periphery of the main through hole, the upper circuit membrane has a plurality of upper conducting parts corresponding to the lower conducting parts and the main through holes, and each light-transmitting area covers the through holes of each through hole group. The setting range of the slot; Most light-emitting units correspond to each lower conducting portion and are arranged on the lower circuit film, each light-emitting unit has a plurality of light-emitting elements respectively arranged in the corresponding through slots, and the inner side of the light-emitting elements of each light-emitting unit The edges jointly define an inner ring, and the outer edges of the light-emitting elements of each light-emitting unit jointly define an outer ring; Most elastic pieces are made of elastic and light-transmissive materials, and are respectively corresponding to the upper conducting parts and are arranged on the upper circuit diaphragm. Each elastic member has an upper circuit diaphragm that abuts against the upper circuit diaphragm. The chassis portion, the contour range of the chassis portion is not less than the inner ring defined by the inner edges of the corresponding light-emitting parts; Most bridging units are respectively arranged above the upper circuit diaphragm and respectively correspond to the elastic parts; and Most of the keycaps are respectively arranged above the bridging units and are respectively resiliently resisted by the elastic members, and each keycap has at least one light-transmitting area. The illuminated keyboard according to claim 1, wherein the through-slots of each through-hole group of the intermediate spacer of the circuit unit are respectively connected to the corresponding main through-holes. The light-emitting keyboard according to claim 1, wherein the outline range of the chassis portion of each elastic member is larger than the outer ring defined by the outer edges of the corresponding light-emitting members. The light-emitting keyboard according to claim 1, wherein the contour range of the chassis portion of each elastic element is defined by the inner ring and the outer edge of the corresponding light-emitting elements. Between the outer rings. The light-emitting keyboard according to claim 1, wherein the light-emitting elements of each light-emitting group of the circuit unit adopt LEDs.

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