CN101706679B

CN101706679B - Keyboard and electronic device with same

Info

Publication number: CN101706679B
Application number: CN2009102121955A
Authority: CN
Inventors: 杜立辉
Original assignee: Darfon Electronics Suzhou Co Ltd
Current assignee: Darfon Electronics Suzhou Co Ltd
Priority date: 2009-11-05
Filing date: 2009-11-05
Publication date: 2011-08-24
Anticipated expiration: 2029-11-05
Also published as: CN101706679A

Abstract

The invention relates to a keyboard and an electronic device with same. The technical problem which the invention aims to solve is to provide a keyboard and the keyboard comprises a baseplate, a printed circuit film, a key supporting piece and key caps, wherein the printed circuit film comprises a main body part and a protrusion region part, wherein the upper surface of the baseplate is covered with the main body part, the lower surface of the baseplate is covered with the retrorse protrusion region part; the key supporting piece is positioned on the upper surface of the baseplate; the key caps are arranged on the key supporting piece, the key caps have light-admitting regions; the main parts of the baseplate and the printed circuit film are provided with through-holes corresponding to the light-admitting regions; the protrusion region part of the printed circuit film is provided with luminous elements; and the luminous elements are placed in the through-holes.

Description

Keyboard and comprise its electronic installation

[technical field]

The present invention relates to a kind of keyboard and comprise its electronic installation, particularly relate to a kind of electronic installation that has the keyboard of light-emitting component and comprise it.

[background technology]

Through the development of decades, computing machine changes office and even common tool at home into from the high-tech synonym.Keyboard is applied on the electronic installations such as computing machine widely as one of the most frequently used input equipment.Illustrated a kind of mobile computer of prior art as Fig. 1, it has keyboard 90.The keyboard that computing machine is commonly used comprises the button of letter key (for example a, b, c etc.), numerical key, function key a plurality of classifications such as (for example Ctrl, Caps Lock etc.).After the function key (for example Caps Lock, Number Lock key) of part is pressed once, its corresponding function is activated, the duty of keyboard can change (for example behind the Caps Lock function on thereupon, the letter of pressing letter key output is a capitalization), output content changes to some extent, will be again by just can recover next time, for making things convenient for the user to discern the keyboard current working state, the pilot lamp of corresponding these function keys generally can be set on keyboard, come the presentation function key whether to be activated with its light on and off.These pilot lamp be arranged on the bottom of corresponding function key cap than visual location, and photic zone is set on keycap.Fig. 2 has illustrated the schematic top plan view of a button of keyboard 90 (is example with Caps Lock key) among Fig. 1; Fig. 3 illustrates the schematic top plan view behind the button removal button cap among Fig. 2; Fig. 4 illustrates the front elevational schematic of button among Fig. 2; Fig. 5 illustrates among Fig. 2 the right side of button and looks synoptic diagram.To shown in Figure 5, keyboard 90 comprises as Fig. 2: the insulation film 903 of substrate 901, the printed circuit film 902 that covers described substrate 901 upper surfaces, described printed circuit film 902 upper surfaces of covering.Caps Lock key among Fig. 2 comprises key supporting piece 913, and it is positioned at described substrate 901 upper surfaces; Button cap 911, it is arranged on the key supporting piece 913; Trigger column 912, it is positioned on the insulation film 903, has photic zone 9115 on the described button cap 911; Whether corresponding described photic zone 9115 has light-emitting component 914 on the described printed circuit film 902, be used to indicate the function of Caps Lock key to be activated.

General keyboard comprises a plurality of different button size, and for example the button cap area of Caps Lock key is generally greater than the button cap area of letter key, Number Lock key.Fig. 6 has illustrated the schematic top plan view of another button (is example with Number Lock key) of keyboard 90; Fig. 7 illustrates the front elevational schematic of Number Lock key among Fig. 6; On Number Lock key, pilot lamp is not set.Comparison diagram 4 and Fig. 7 can know, because the restriction of button cap 921 areas, if use as the same mode of Caps Lock key and light-emitting component be set as Number Lock key, then light-emitting component must tie up the position of elements such as support member 923, trigger column 922, make the layout of support member 923 elements such as grade become difficult, in the assembling or use of keyboard, support member 923 elements such as grade are also touched light-emitting component easily, cause damaging.

[summary of the invention]

An object of the present invention is to provide a kind of keyboard, it comprises: substrate; Printed circuit film, described printed circuit film comprise main part and stretch out block, and described main part covers the upper surface of described substrate, describedly stretch out the lower surface that the block reflexed is covered in described substrate; Key supporting piece is positioned at described upper surface of base plate; Button cap is arranged on the described key supporting piece, has photic zone on the described button cap; The corresponding described photic zone of the main part of described substrate and described printed circuit film has through hole; The described block that stretches out of described printed circuit film is provided with light-emitting component; Described light-emitting component is placed in the described through hole.

As optional technical scheme, described keyboard comprises insulation film, and described insulation film covers the upper surface of the main part of described printed circuit film, and the corresponding described lead to the hole site of described insulation film has open-work.As further alternative technical scheme, described insulation film is a mylar.

As optional technical scheme, described substrate is an aluminium alloy base plate.

As optional technical scheme, described printed circuit film is provided with bonding agent at the described lower surface that stretches out block.

As optional technical scheme, described light-emitting component is a light emitting diode.

As optional technical scheme, described key supporting piece is positioned at the fringe region of described upper surface of base plate.

Another object of the present invention provides a kind of electronic installation, and it comprises above-mentioned a kind of keyboard.

Compared with prior art, the light-emitting component of keyboard of the present invention is arranged in the through hole of substrate, does not influence the laying of other element of upper surface of base plate, has realized the state indication to the less button of area.

[description of drawings]

Fig. 1 has illustrated the synoptic diagram of a kind of mobile computer of prior art;

Fig. 2 has illustrated the schematic top plan view of a button of prior art keyboard;

Fig. 3 illustrates the schematic top plan view behind the button removal button cap among Fig. 2;

Fig. 4 illustrates the front elevational schematic of button among Fig. 2;

Fig. 5 illustrates among Fig. 2 the right side of button and looks synoptic diagram;

Fig. 6 has illustrated the schematic top plan view of another button of prior art keyboard;

Fig. 7 illustrates the front elevational schematic of button among Fig. 6;

Fig. 8 has illustrated the schematic top plan view of a button of the keyboard of one embodiment of the present invention;

Fig. 9 illustrates the schematic top plan view behind the button removal button cap among Fig. 8;

Figure 10 illustrates among Fig. 8 the right side of button and looks synoptic diagram;

Figure 11 illustrates among Fig. 8 button and looks diagrammatic cross-section along the right side of AA line among Fig. 9;

Figure 12 illustrates in the keyboard assembling process, the local elevational schematic view of key area in the corresponding diagram 8.

[embodiment]

Please refer to Fig. 8 to Figure 11, Fig. 8 has illustrated the schematic top plan view of a button of the keyboard of one embodiment of the present invention; Fig. 9 illustrates the schematic top plan view behind the button removal button cap among Fig. 8; Figure 10 illustrates among Fig. 8 the right side of button and looks synoptic diagram; Figure 11 illustrates among Fig. 8 button and looks diagrammatic cross-section along the right side of AA line among Fig. 9.The keyboard of present embodiment comprises: substrate 101; Printed circuit film 102, described printed circuit film 102 comprises main part 1021 and stretches out block 1022, described main part 1021 covers the upper surface of described substrate 101, describedly stretches out block 1022 is covered in described substrate 101 from side 19 reflexeds of keyboard lower surface.The keyboard of present embodiment also comprises: key supporting piece 113 is positioned at described substrate 101 upper surfaces; Button cap 111 is arranged on the described key supporting piece 113, has photic zone 114 on the described button cap 111; The main part 1021 corresponding described photic zones of described substrate 101 and described printed circuit film have through hole 1011; The described printed circuit film 102 described blocks 1022 that stretch out are provided with light-emitting component 114; Described light-emitting component 114 is placed in the described through hole 1011.Like this, light-emitting component 114 can not interfered with other element (for example key supporting piece 113) of substrate 101 upper surfaces.

The keyboard of present embodiment also comprises insulation film 103, described insulation film 103 covers the upper surface of the main part 1021 of described printed circuit film 102, trigger column 112 is positioned on the insulation film 103, and described insulation film 103 corresponding described through holes 1011 positions have open-work.Insulation film 103 can adopt mylar.In other embodiments, keyboard can not use insulation film, and trigger column directly is positioned on the printed circuit film.

In the present embodiment, substrate 101 is preferably aluminium alloy base plate.Light-emitting component 114 is preferably light emitting diode.

Please refer to the structure of Figure 12 with printed circuit film 102 in the better understanding present embodiment, Figure 12 illustrates in the keyboard assembling process, the local elevational schematic view of key area in the corresponding diagram 8.As shown in figure 12, this moment printed circuit film 102 stretch out block 1022 as yet not reflexed be covered in the lower surface of described substrate 101.Preferred scheme is at the lower surface that stretches out block 1022 bonding agent to be set, be covered in the lower surface of described substrate 101 at its reflexed after, can not be bonded in the lower surface of substrate 101 by external force.Need to prove that the keyboard of present embodiment can have a plurality of buttons that are provided with light-emitting component, so the stretching out block and can have a plurality of of printed circuit film 102.In the design process of keyboard, the button that is provided with light-emitting component is preferably arranged in the fringe region of keyboard (also we can say the fringe region that the corresponding key support member is positioned at upper surface of base plate), can save the length of stretching out block of printed circuit film like this, save the total area of printed circuit film.

The electronic installation of one embodiment of the present invention for example is the mobile computer that comprises the keyboard of above-mentioned embodiment.Also can be devices such as mobile phone with keyboard of the present invention, desk-top computer.

Claims

1. keyboard is characterized in that comprising:

Substrate;

Printed circuit film, described printed circuit film comprise main part and stretch out block, and described main part covers the upper surface of described substrate, describedly stretch out the lower surface that the block reflexed is covered in described substrate;

Key supporting piece is positioned at described upper surface of base plate;

Button cap is arranged on the described key supporting piece, has photic zone on the described button cap;

The corresponding described photic zone of the main part of described substrate and described printed circuit film has through hole; The described block that stretches out of described printed circuit film is provided with light-emitting component; Described light-emitting component is placed in the described through hole.

2. keyboard according to claim 1 is characterized in that described keyboard also comprises insulation film, and described insulation film covers the upper surface of the main part of described printed circuit film, and the corresponding described lead to the hole site of described insulation film has open-work.

3. keyboard according to claim 2 is characterized in that described insulation film is a mylar.

4. keyboard according to claim 1 is characterized in that described substrate is an aluminium alloy base plate.

5. keyboard according to claim 1 is characterized in that described printed circuit film is provided with bonding agent at the described lower surface that stretches out block.

6. keyboard according to claim 1 is characterized in that described light-emitting component is a light emitting diode.

7. keyboard according to claim 1 is characterized in that described key supporting piece is positioned at the fringe region of described upper surface of base plate.

8. electronic installation is characterized in that comprising according to any described keyboard in the claim 1 to 7.