CN212676158U - Luminous keyboard - Google Patents

Abstract

A light-emitting keyboard comprises a supporting plate, a circuit unit, a plurality of light-emitting units, a plurality of elastic pieces, a plurality of bridging units and a plurality of keycaps. The circuit unit comprises a lower circuit diaphragm, a middle spacer and an upper circuit diaphragm, each light-emitting unit is provided with a plurality of light-emitting components, the middle spacer is provided with a plurality of through hole groups, each through hole group is provided with a main through hole and a plurality of through grooves, the elastic components are made of materials with elasticity and light transmission performance, each elastic component is provided with a bottom disc part, and the outline range of the bottom disc part is not less than an inner ring defined by the inner edges of the corresponding light-emitting components together. By using the integral configuration, the bright light generated by the luminous piece can penetrate through the through groove and the elastic piece to transmit the light to the keycap, and the keycap can achieve the luminous effect.

Description

Luminous keyboard

Technical Field

The utility model relates to a keyboard especially relates to a luminous keyboard.

Background

A conventional light-emitting keyboard (taiwan patent document No. TWI 697927) includes a keyboard module and a backlight module. The keyboard module includes a plurality of key caps. The backlight module is arranged below the keyboard module and comprises 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 member 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 designated area, so that the brightness of the designated area is increased. When the light emitted by the light emitting piece reaches the light spot part in the light guide plate, the light can be guided to the keycaps by the light spot part, so that the effect of enabling each keycap to emit light is achieved.

The light-emitting keyboard has many components and a complex structure, which increases the trouble of manufacturing and assembling and can not achieve the purpose of miniaturization, lightness and thinness of the product.

Another conventional light-emitting keyboard (taiwan patent document No. TWI 681431) includes a light-guiding 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, 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 is provided with a light emitting 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 supporting plate can be reflected back to the light guide substrate through a reflecting layer, so that the light can be intensively upwards transmitted out from a plurality of hollow parts of the supporting plate and hollow parts of the circuit board to irradiate each key cap, and the use environment of insufficient illumination can be met.

The light-emitting keyboard is characterized in that a reflective layer is arranged on the bottom surface of the support plate, the reflective layer can be printed or coated on the bottom surface of the support plate by ink, and the reflective layer can also be a glue layer or a thin film layer and can be fixed on the bottom surface of the support plate in an adhesion, hot melting or attachment mode.

Therefore, the manufacturing of the reflective layer is troublesome and the manufacturing cost is increased.

Disclosure of Invention

An object of the utility model is to provide a can simplify the structure and make the matched stack easy, can reduce manufacturing cost's luminous keyboard.

The utility model discloses a luminous keyboard, contain the backup pad, set up in circuit unit, the several of backup pad top set up in circuit unit's luminescence unit, several set up in elastic component, several on the circuit unit set up respectively in circuit unit top and respectively corresponding to the bridging unit and the several of elastic component set up respectively in the key cap of bridging unit top, circuit unit include adjacent to the backup pad down the circuit diaphragm, set up in the well septum piece of line diaphragm top down, and set up in the last circuit diaphragm of well septum piece top, the circuit diaphragm has several conduction part down, well septum piece has the several and corresponds respectively to the conduction part's through hole group down, each through hole group has main through hole to and the several around set up in the through groove of main through hole periphery, it has the several and corresponds respectively to go up the circuit diaphragm conduction part down, An upper conduction part of the main through hole and a plurality of light transmission areas, wherein each light transmission area covers the arrangement range of the through groove of each through hole group, the light emitting unit corresponds to each lower conduction part and is arranged on the lower circuit film, each light emitting unit is provided with a plurality of light emitting components arranged in the corresponding through groove, the inner side edge of the light emitting component of each light emitting unit defines an inner ring together, the outer side edge of the light emitting component of each light emitting unit defines an outer ring together, the elastic component is made of elastic and light-transmitting materials and is arranged on the upper circuit film corresponding to the upper conduction part respectively, each elastic component is provided with a chassis part abutting against the upper circuit film, and the outline range of the chassis part is not less than the inner ring defined by the inner side edge of the corresponding light emitting component together, the bridging units are respectively arranged above the upper circuit diaphragm and respectively correspond to the elastic pieces, the keycaps are respectively propped by the elastic pieces, and each keycap is at least provided with a light-transmitting area.

The luminous keyboard, each through hole group of well spacer of circuit unit the through groove communicates in the main through hole that corresponds respectively.

The luminous keyboard of the present invention has a base portion of each elastic member, wherein the outline of the base portion is larger than the outline of the corresponding base portion and the outline of the outer edge of the corresponding elastic member define an outer ring.

The light-emitting keyboard of the present invention, the outline of the bottom of each elastic member is located between the inner ring defined by the inner edge of the corresponding light-emitting member and the outer ring defined by the outer edge of the corresponding light-emitting member.

The light-emitting keyboard, the light-emitting component of each light-emitting group of the circuit unit adopts light-emitting diodes.

The beneficial effects of the utility model reside in that: by using the integral configuration, the light generated by the luminous element can pass through the through groove, and the elastic element transmits light to the keycap, so that the keycap achieves the luminous effect, the structure is simple, the manufacture and assembly are easy, the product can achieve the purposes of miniaturization, lightness and thinness, and the manufacturing cost can be reduced.

Drawings

Fig. 1 is an exploded perspective view of a first embodiment of the light-emitting keyboard of the present invention;

FIG. 2 is a partially exploded perspective view of the first embodiment;

FIG. 3 is an enlarged partial assembled sectional view of the first embodiment;

FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 3;

fig. 5 is a schematic top view of a second embodiment of the light-emitting keyboard of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, the first embodiment of the light-emitting keyboard of the present invention includes a supporting 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 sets 12 protruding from the top surface 11, each mounting set 12 having a plurality of assembling portions 121.

The circuit unit 20 is disposed above the supporting plate 10, and includes a lower circuit diaphragm 21 adjacent to the supporting plate 10, a middle diaphragm 22 disposed above the lower circuit diaphragm 21, and an upper circuit diaphragm 23 disposed above the middle diaphragm 22. The lower circuit diaphragm 21 has a plurality of lower vias 211, the middle diaphragm 22 has a plurality of through holes 221 corresponding to the lower vias 211, each through hole 221 has a main through hole 222 and a plurality of through grooves 223 extending outward from the main through hole 222 and communicating with the main through hole 222, the upper circuit diaphragm 23 has a plurality of upper vias 231 corresponding to the lower vias 211 and the main through hole 222, and a plurality of light-transmitting regions 232, each upper via 231 is disposed in the middle of the corresponding light-transmitting region 232, and each light-transmitting region 232 covers the installation range of the through groove 223 of each through hole 221. The circuit unit 20 further has a plurality of hollow hole sets 24 respectively penetrating through the lower circuit diaphragm 21, the middle diaphragm 22 and the upper circuit diaphragm 23 and disposed at the peripheries of the lower conduction part 211, the through hole set 221 and the upper conduction part 231, wherein the hollow hole sets 24 are respectively used for the assembly part 121 of each mounting set 12 to penetrate through.

The light emitting units 30 respectively correspond to each of the lower conduction portions 211 and are adhered to the lower circuit film 21, each of the light emitting units 30 has a plurality of light emitting elements 31 respectively disposed in the corresponding through grooves 223, the light emitting elements 31 are micro Light Emitting Diodes (LEDs), an inner ring 301 is defined by inner edges of the light emitting elements 31 of each of the light emitting units 30, and an outer ring 302 is defined by outer edges of the light emitting elements 31 of each of the light emitting units 30.

The elastic members 40 are made of an elastic and light-permeable material (such as silicon rubber), and are respectively disposed on the upper circuit diaphragm 23 corresponding to the upper conduction portion 231, each elastic member 40 is in a stepped cylindrical shape with a narrow top and a wide bottom, and has a bottom plate portion 41 abutting against the upper circuit diaphragm 23, and a top portion 42 opposite to the bottom plate portion 41, and the outline range of the bottom plate portion 41 is not less than the inner ring 301 defined by the inner edges of the corresponding light-emitting members 31. The outline of the bottom plate 41 of each elastic element 40 of the present embodiment is between an inner ring 301 defined by the inner edges of the corresponding light emitting elements 31 and an outer ring 302 defined by the outer edges.

The bridging units 50 are respectively disposed above the upper line membrane 23 and respectively correspond to the elastic members 40, each bridging unit 50 has a pair of mutually pivoted frame members 51, and the bottom portions of the frame members 51 are respectively pivoted to the assembling portions 121 of the supporting plate 10.

The key caps 60 are respectively pivoted to the top of the frame member 51 of each bridging unit 50 and are respectively abutted by the top 42 of the elastic member 40, and each key cap 60 has at least one light-transmitting area (the light-transmitting area can be characters, symbols or patterns, not shown).

For a further understanding of the nature and operation of the various elements of the invention, as well as the intended function and advantages thereof, reference should be made to the following detailed description and to the accompanying drawings, which are included to provide a further understanding of the invention.

As shown in fig. 3 and 4, when the whole assembly of the light-emitting keyboard of the present invention is completed, the circuit unit 20, the elastic member 40, the bridging unit 50 and the key cap 60 are sequentially disposed above the supporting plate 10, and the light-emitting unit 30 is disposed on the lower circuit film 21 and extends into the through groove 223 of the middle partition 22, and the light-emitting member 31 of each light-emitting unit 30 corresponds to each light-transmitting area 232.

When the user presses the key cap 60, the bridging unit 50 is pivoted between the assembly part 121 and the key cap 60, so that the key cap 60 stably approaches the circuit unit 20, the corresponding upper conduction part 231 and the corresponding lower conduction part 211 are conducted to generate a signal, the light emitting member 31 corresponding to the upper conduction part 231 and the corresponding lower conduction part 211 is controlled by the signal to generate a bright light, the bright light generated by the light emitting member 31 penetrates through the corresponding light-transmitting area 232 and the elastic member 40, and finally the bright light is emitted from the light-transmitting area of the key cap 60.

As shown in fig. 4, in the present embodiment, the outline of the bottom plate 41 of each elastic member 40 is located between the inner ring 301 defined by the inner edges of the corresponding light emitting members 31 and the outer ring 302 defined by the outer edges of the corresponding light emitting members 31, so that the light generated by the light emitting members 31 can be effectively emitted to the light-transmitting area 1 of the key cap 60 through the elastic member 40.

As shown in fig. 5, the second embodiment of the light-emitting keyboard of the present invention is substantially the same as the first embodiment, and the differences are: the outline of the bottom plate 41 of each elastic element 40 is larger than the outer ring 302 defined by the outer edges of the light emitting elements 31 of the corresponding light emitting units 30. The second embodiment can also effectively make the bright light generated by the light emitting member 31 transmit through the elastic member 40 to emit bright light toward the transparent region of the key cap 60.

To sum up, the utility model discloses a luminous keyboard, overall structure is simple, it is easy to make the matched stack, and the product can reach slim, miniaturized design purpose, can reach the purpose of the utility model of cost really.

Claims (5)

1. The utility model provides a luminous keyboard, contains the backup pad, set up in the circuit unit of backup pad top, several set up in the luminous unit of circuit unit, several set up in elastic component, several on the circuit unit set up respectively in circuit unit top and respectively corresponding to the bridging unit and the several of elastic component set up respectively in the key cap of bridging unit top, its characterized in that:

the circuit unit comprises a lower circuit diaphragm adjacent to the supporting plate, a middle diaphragm arranged above the lower circuit diaphragm and an upper circuit diaphragm arranged above the middle diaphragm, wherein the lower circuit diaphragm is provided with a plurality of lower conduction parts, the middle diaphragm is provided with a plurality of through hole groups respectively corresponding to the lower conduction parts, each through hole group is provided with a main through hole and a plurality of through grooves arranged around the periphery of the main through hole, the upper circuit diaphragm is provided with a plurality of upper conduction parts respectively corresponding to the lower conduction parts and the main through holes and a plurality of light transmission areas, and each light transmission area covers the arrangement range of the through grooves of each through hole group;

the light-emitting units correspond to the lower conduction parts respectively and are arranged on the lower circuit film, each light-emitting unit is provided with a plurality of light-emitting pieces which are arranged in the corresponding through grooves respectively, the inner side edges of the light-emitting pieces of each light-emitting unit define an inner ring together, and the outer side edges of the light-emitting pieces of each light-emitting unit define an outer ring together;

the elastic pieces are made of elastic and light-permeable materials and are respectively arranged on the upper circuit diaphragm corresponding to the upper conduction parts, each elastic piece is provided with a chassis part abutting against the upper circuit diaphragm, and the outline range of the chassis part is not less than an inner ring defined by the inner edges of the corresponding luminous pieces;

the bridging units are respectively arranged above the upper circuit membrane and respectively correspond to the elastic pieces;

the keycaps are respectively propped by the elastic pieces, and each keycap is at least provided with a light-transmitting area.

2. The illuminated keyboard according to claim 1, wherein: the through grooves of each through hole group of the middle partition of the circuit unit are respectively communicated with the corresponding main through holes.

3. The illuminated keyboard according to claim 1, wherein: the outline range of the bottom disc part of each elastic element is larger than the outer ring which is defined by the outer side edges of the corresponding luminous elements together.

4. The illuminated keyboard according to claim 1, wherein: the outline range of the chassis part of each elastic element is between an inner ring defined by the inner edges of the corresponding luminous elements and an outer ring defined by the outer edges of the luminous elements.

5. The illuminated keyboard according to claim 1, wherein: the light emitting component of each light emitting group of the circuit unit adopts a light emitting diode.

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