CN201725717U

CN201725717U - Light-emitting keyboard structure

Info

Publication number: CN201725717U
Application number: CN2010202426538U
Authority: CN
Inventors: 刘永隆
Original assignee: Sunrex Technology Corp
Current assignee: Sunrex Technology Corp
Priority date: 2010-06-30
Filing date: 2010-06-30
Publication date: 2011-01-26
Anticipated expiration: 2020-06-30

Abstract

The utility model discloses a light-emitting keyboard structure achieving the purposes of thinning and convenient yield control. The light-emitting keyboard structure comprises a circuit board, a partition board, a thin circuit board and a rubber base board, wherein the circuit board is arranged on a bottom board and provided with a plurality of LEDs; the partition board is arranged on the LED circuit board, each key is provided with a first pivoting part and a first embedding part, and through holes for containing the LEDs are arranged in the positions of the LEDs; the film circuit board is arranged on the partition board and provided with a second circuit and a plurality of open circuit points, each open circuit point is arranged under each key, and the first pivoting parts and the first embedding parts are respectively and correspondingly provided with through holes; the rubber base board is arranged on the film circuit board and provided with a plurality of elastic members, each elastic member is correspondingly arranged under each key, the through holes are correspondingly provided with perforations, and pressing posts made of conductive materials are arranged in the elastic members; and the keys are in a bridging type structure and are arranged on the rubber base board in an array type.

Description

The illuminated keyboard structure

Technical field

The utility model relates to a kind of keyboard, is meant a kind of illuminated keyboard structure especially.

Background technology

Mobile computer and mobile device are owing to have the function of being convenient to carry and handle document data and real-time communication at present, so extensively being subjected to reaching certainly of market dealer and user adopts, and the button of present mobile computer keyboard or mobile device all is to adopt thin keypressing structure, it mainly is that assembling links a bridge formation formula supporting construction is arranged between the keycap of keyboard and base plate about the mobile computer keyboard, button as for mobile device then is to trigger the push-button dialing signal by a slim elasticity keyboard, though but that the slim bridge formation formula keyboard structure of existing mobile computer has a volume is ultra-thin, weight lightly reaches the accurate advantage of operation, yet its keyboard itself there is no the translucent construction design that floor light is provided, therefore keyboard only can be in the bright place operation of light, and can't operate, thereby cause the operational inconvenience of its use on special occasions in the place of dark.

For this reason, applicant's research and development of the present utility model and application are got permission: the light guide plate of illuminated keyboard and backlight module (Taiwan letters patent book number number: M306689 number) patent case, this patent case mainly is to convex with lock structure to be beneficial to directly assemble the bridge formation assembly on light guide plate, right itself and unmatchful button out of the ordinary and led light source spacing do to strengthen the design of leaded light, so make distance L ED light source button far away seem that then printing opacity brightness is obviously not enough, though in addition and the relevant thin button that has mobile device now its by led light source so that button has translucent effect, but because each button is equally because of the different distance factor of distance L ED light source, so it can cause the different situation of each button printing opacity brightness, even cause awkward shortcoming.

Meanwhile, existing illuminated keyboard is to be provided with a luminescence unit (as LED) in the keyboard unit bottom of a keyboard, and luminescence unit is to be provided with a flexible circuit flaggy in a thin layer bottom surface, and one aluminum layer is set in flexible circuit flaggy bottom surface, in the aluminum layer bottom surface one backlight layer is set again; It is luminous when backlight layer is luminous light to be throwed the keyboard of sening as an envoy to by the space of aluminum layer via each button below of keyboard unit, makes things convenient for the user still can operate freely in the dark place of light.But the existing illuminated keyboard of this kind is by rigid aluminum layer two kinds of soft layers (being flexible circuit flaggy and backlight layer) to be separated and come, and its thickness can't be gone more lightening again, makes only limited the reaching in this kind limit of thickness of illuminated keyboard, and thickness can't be gone reduction again.

The utility model content

Therefore, the purpose of this utility model is to be to address the above problem and to provide a kind of corresponding each button to be provided with light-emitting diode, and reaches the illuminated keyboard structure of slimming.

Another purpose of the present utility model is to be to provide a kind of illuminated keyboard structure, shortens man-hour to reach, quickens to produce line procedures, conveniently controls yield and reduces manufacturing cost.

For reaching above-mentioned purpose, the illuminated keyboard structure that the utility model provides comprises a base plate, a led circuit plate, a space bar, a film circuit board, a rubber mat plate and a plurality of button, wherein:

The led circuit plate, it is arranged on this base plate top, and this led circuit plate comprises one first circuit and some light-emitting diodes, and each light-emitting diode and this first circuit electrically connect, and this first circuit and a power supply electrically connect;

Space bar, it is arranged on this led circuit plate top, and this space bar has first articulated section and the first interlocking portion that connects button, and the position of corresponding this light-emitting diode of this space bar is provided with through hole;

Film circuit board, it is arranged on this space bar top, and have a second circuit and some trip points, and corresponding each the button below that is arranged on of each trip point, first articulated section of corresponding this space bar of this film circuit board and the position of the first interlocking portion are provided with perforation;

Rubber mat plate, it is made and is arranged on this film circuit board top by light-transmitting materials, have a plurality of elastic components, and the corresponding below that is arranged on corresponding button of each elastic component, and this trip point position of corresponding this film circuit board of each elastic component is provided with one by compression leg, and this rubber mat plate also is provided with first articulated section of passing this space bar and the open-work of the first interlocking portion;

Button, its with arranged above this rubber mat plate.

In a specific embodiment, this button is to be made of the keypad and the institute of building bridge, this bridge formation is arranged on this rubber mat plate top, and the side top and the bottom that should build bridge, have two slide-bars and a carrier respectively, the opposite side top and the bottom of this bridge formation, have a pivot and a guide sliding part respectively, and the centre of this bridge formation has a perforation, this keypad is arranged on this bridge formation top, and a side of contiguous this bridge formation of this keypad has 2 second articulated sections, 2 second interlocking portions and a pillar, wherein second articulated section and the second interlocking portion are corresponding respectively first articulated section and the first interlocking portion position and be provided with.

In a specific embodiment, slide-bar of building bridge and carrier interlocking are in the second interlocking portion and the first interlocking portion, and the pivot and the guide sliding part of building bridge are articulated in second articulated section and first articulated section, and the pillar of keypad supports this elastic component top of ending at this rubber mat plate that passes this perforation.

Preferable, this base plate is a waterproof material.

Preferable, the corresponding light-emitting diode setting of button.

Preferable, this space bar is aluminium sheet material or plastic material.

Preferable, each light-emitting diode is provided with the optically focused spare of bowl-shape structure on every side.

Preferable, be provided with some reflecting piece around each light-emitting diode.

Because illuminated keyboard structure of the present utility model is constituted repeatedly to put mode, and is had the advantage of slimming; And illuminated keyboard structure of the present utility model is that the led circuit plate is arranged on the film circuit board below, light-emitting diode is separated with film circuit board, therefore make the led circuit plate carry out holes and influence yield, and when taking place the light-emitting diode defectiveness is wherein arranged, can change led circuit plate or light-emitting diode separately, and need not to make whole film circuit board and light-emitting diode to change, thereby man-hour can be shortened, quicken to produce the qualification rate of line procedures and convenient control product, moreover, when defective led circuit plate is keeped in repair, need not be because of as the complicated circuit of film circuit board and influence the replacing of single light-emitting diode, and avoided causing the damage situation of entire circuit plate, thereby reduced manufacturing cost and promoted maintenance usefulness.

Description of drawings

Fig. 1 is the exploded view of expression the utility model illuminated keyboard structure

Fig. 2 is the exploded view of an embodiment of the corresponding one key of expression the utility model illuminated keyboard structure.

Fig. 3 is the exploded view of another embodiment of the corresponding one key of expression the utility model illuminated keyboard structure.

Fig. 4 is the cutaway view of the corresponding one key of expression the utility model illuminated keyboard structure.

Fig. 5 is the cutaway view of an embodiment again of the corresponding one key of expression the utility model illuminated keyboard structure.

Embodiment

Below in conjunction with Figure of description embodiment of the present utility model is done detailed description.

To shown in Figure 5, illuminated keyboard structure 1 of the present utility model comprises a base plate 2, a led circuit plate 3, a space bar 4, a film circuit board 5, a rubber mat plate 6 and plurality of keys 7 as Fig. 1.

Base plate 2 can be waterproof material, and led circuit plate 3 is arranged on base plate 2 tops, led circuit plate 3 is to comprise one first circuit 31 and some light-emitting diodes (LED) 32, first circuit 31 is to electrically connect with a power supply (figure does not show), and each light-emitting diode 32 also electrically connects with first circuit 31, therefore by power supply provide electric power to each light-emitting diode 32 with luminous, and this power supply system can be identical with the power supply that film circuit board 5 is electrically connected or independent separately.

In led circuit plate 3, position with respect to each button 7, one or more light-emitting diode 32 can correspondingly be set, further, optically focused spare 33 assemblies (as Fig. 3 and shown in Figure 5) of one shape such as bowl-shape structure also can be set around this light-emitting diode 32, or around this light-emitting diode 32, lay some reflecting piece 35 (as shown in Figure 2), with the light service efficiency that improves this light-emitting diode 32 or promote its irradiate light scope.

Space bar 4 is to can be aluminium sheet material or plastic material, it is arranged on led circuit plate 3 tops, and space bar 4 corresponding one keys 7 places have 2 first articulated

sections

41 and 2 first interlocking portions 42, and the position of space bar 4 corresponding light-emitting diodes 32 is provided with the through hole 43 of corresponding quantity, with ccontaining corresponding light-emitting diode 32, and the height space of this through hole 43 is with ccontaining this light-emitting diode 32, and makes led circuit plate 3 must not expand performance to improve it by holes.

Film circuit board 5 is that light-transmitting materials and its are arranged on space bar 4 tops, and have a second circuit 51 and some trip points 52, each trip point 52 is correspondingly to be arranged on a button 7 belows, and film circuit board 5 is at the different signal of the matrix position of each button 7 transmission corresponding with function; Moreover one key 7 times, 2 first articulated sections 41 of film circuit board 5 corresponding space bars 4 and the position of 2 first interlocking portions 42 are provided with perforation 53, pass for corresponding first articulated section 41 and the first interlocking portion 42.

Rubber mat plate 6 is that light-transmitting materials and its are arranged on film circuit board 5 tops, and has a plurality of elastic part 61, and each elastic component 61 is a corresponding button 7 belows that are arranged on, and a trip point 52 of an elastic component 61 more corresponding film circuit boards 5 is provided with, and one key 7 times, 2 first articulated sections 41 of rubber mat plate 6 corresponding space bars 4 and the position of 2 first interlocking portions 42, and the position of the perforation 53 of corresponding film circuit board 5, be provided with corresponding open-work 62, pass for corresponding first articulated section 41 and the first interlocking portion 42; In addition, have one in the elastic component 61, should be used to push the trip point 52 (because of it is to belong to existing structure, so do not give unnecessary details) of this film circuit board 5 of conducting by compression leg 611 by compression leg 611.

Button 7 is to show arranged greatly and be arranged on rubber mat plate 6 tops, and each button 7 is to be built bridge 72 by a keypad 71 and to constitute, bridge formation 72 is arranged on rubber mat plate 6 tops, and 72 the side top and the bottom of building bridge, have two slide-bars 721 and a carrier 722 respectively, each opposite side top and the bottom of 72 of building bridge, have a pivot 723 and a guide sliding part 724 respectively, and 72 the centre of building bridge has a perforation 725, keypad 71 is arranged on 72 tops of building bridge, and a side of keypad 71 contiguous bridge formations 72 has 2 second articulated

sections

711,2 second interlocking portions 712 and pillar 713, the second articulated sections 711 and corresponding respectively first articulated section 41 of the second interlocking portion 712 and the first interlocking portion, 42 positions and be provided with.

Wherein, two slide-bars 721 and the carrier 722 of bridge formation 72 are rabbeted respectively rotationally in the second interlocking portion 712 and the first interlocking portion 42, and build bridge 72 pivot 723 and guide sliding part 724 are articulated in second articulated section 711 and first articulated section 41 respectively rotationally, and the pillar 713 of keypad 71 supports elastic component 61 tops of ending at rubber mat plate 6.

Therefore, when the user presses wherein a button 7 and carries out a push action, pillar 713 by keypad 71 is depressed elastic component 61, make and push conducting by the trip point 52 of compression leg 611 contact membrane circuit boards 5 and with it in the elastic component 61, and because the light-emitting diode 32 on the led circuit plate 3 is to use different electrical power that electric power is provided, the user can obtain the effect of illumination when desiring to carry out pressing keys 7 in addition.

Because illuminated keyboard structure 1 of the present utility model is constituted repeatedly to put mode, and is had the advantage of slimming; And illuminated keyboard structure 1 of the present utility model is that led circuit plate 3 is arranged on film circuit board 5 belows, light-emitting diode 32 is separated with film circuit board 5, therefore make led circuit plate 3 carry out holes and influence yield, and when taking place light-emitting diode 32 defectiveness are wherein arranged, can change led circuit plate 3 or light-emitting diode 32 separately, and need not to make whole film circuit board 5 and light-emitting diode 32 to change, thereby man-hour can be shortened, quicken to produce the qualification rate of line procedures and convenient control product, moreover, when defective led circuit plate 3 is keeped in repair, need not be because of as the complicated circuit of film circuit board 5 and influence the replacing of single light-emitting diode 32, and avoided causing the damage situation of entire circuit plate, thereby reduced manufacturing cost and promoted maintenance usefulness.

More than; it only is preferred embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range that claim was defined.

Claims

1. an illuminated keyboard structure is characterized in that, comprises a base plate, a led circuit plate, a space bar, a film circuit board, a rubber mat plate and a plurality of button, wherein:

Button, its with arranged above this rubber mat plate.

2. according to the described illuminated keyboard structure of claim 1, it is characterized in that, this button is to be made of the keypad and the institute of building bridge, this bridge formation is arranged on this rubber mat plate top, and the side top and the bottom that should build bridge, have two slide-bars and a carrier respectively, the opposite side top and the bottom of this bridge formation, have a pivot and a guide sliding part respectively, and the centre of this bridge formation has a perforation, this keypad is arranged on this bridge formation top, and a side of contiguous this bridge formation of this keypad has 2 second articulated sections, 2 second interlocking portions and a pillar, wherein second articulated section and the second interlocking portion are corresponding respectively first articulated section and the first interlocking portion position and be provided with.

3. according to the described illuminated keyboard structure of claim 2, it is characterized in that, slide-bar of building bridge and carrier interlocking are in the second interlocking portion and the first interlocking portion, and the pivot and the guide sliding part of building bridge are articulated in second articulated section and first articulated section, and the pillar of keypad supports this elastic component top of ending at this rubber mat plate that passes this perforation.

4. according to the described illuminated keyboard structure of claim 1, it is characterized in that this base plate is a waterproof material.

5. according to the described illuminated keyboard structure of claim 1, it is characterized in that the corresponding light-emitting diode setting of button.

6. according to the described illuminated keyboard structure of claim 1, it is characterized in that this space bar is aluminium sheet material or plastic material.

7. according to the described illuminated keyboard structure of claim 1, it is characterized in that, be provided with the optically focused spare of bowl-shape structure around each light-emitting diode.

8. according to the described illuminated keyboard structure of claim 1, it is characterized in that, be provided with some reflecting piece around each light-emitting diode.