CN201438432U

CN201438432U - Keyboard with key light source module

Info

Publication number: CN201438432U
Application number: CN200920165646XU
Authority: CN
Inventors: 蔡火炉
Original assignee: Sunrex Technology Corp
Current assignee: Sunrex Technology Corp
Priority date: 2009-07-16
Filing date: 2009-07-16
Publication date: 2010-04-14
Anticipated expiration: 2019-07-16

Abstract

The utility model discloses a keyboard with a key light source module. The key light source module is formed by integrating a lamp source module and a light guide cover, wherein the light source modules are correspondingly arranged below keys on the keyboard, and produce guide light for each key; the lamp source module comprises a diode chip and two electrode pins; the light guide cover is integrally molded on the outer edge of the lamp source module in the manner of molding in a mould; and a light guide hole is formed at the appropriate part of the light guide cover corresponding to the diode chip in a penetrating manner, and can enable light to irradiate outwards through the light guide hole and through holes corresponding to the keys. Therefore, the monomer structure of the light source module is applied to the keyboard, so that the assembly efficiency and quality of the light sources of the keys on the keyboard are improved.

Description

Keyboard with button light source module

Technical field

The utility model is relevant for a kind of keyboard with button light source module, and particularly a kind of light-source structure that produces light at button is improved keyboard with button light source module in addition.

Background technology

Popularization and application along with computer, keyboard in order to the input data is also more and more important, keyboard is made up of buttons such as many characters, symbol, numeral and functions, common a kind of button has the keyboard of light source at present, it is to be assembled with a plurality of light sources on the circuit board of a keyboard, and in addition establish a leaded light component element with movable guard up and down in the end face of this light source, so as to the luminous recognition effect of button is provided; Be that problem points maximum on the above-mentioned common structure is that this light source is two individual members that separate with the leaded light component element, and during assembling, this light source is located on the circuit board, light-guide device then is when assembling, just is covered with to be covered in around this light source.So not only increase inconvenience and manufacturing cost in the assembling, the brightness of the light that the indirect combination between light source and the light-guide device is simultaneously also penetrated light source easily produces some harmful effects, and necessity of being improved is arranged.

The utility model content

Main purpose of the present utility model, provide a kind of keyboard with button light source module, light source and light-guide device are the assembling of two separating members and the shortcoming on the service quality on its solution well known keyboards, the utility model makes the button of keyboard that the component moduleization of light source and leaded light is provided, and then reduces cost, promotes the efficient of light source component assembling and the mass effect of use.

The utility model achieves the above object by the following technical programs:

A kind of keyboard with button light source module, wherein, this light source module comprises lamp source module and light-guiding shade, this lamp source module is made up of diode chip for backlight unit and the encapsulation of two electrode pins, this light-guiding shade is shaped in this lamp source module outer rim, to should being penetrated with light-conductive hole by diode chip for backlight unit, light by this light-conductive hole to external radiation exposure.

The above-mentioned keyboard with button light source module, wherein, this lamp source module places in the mould of ejection formation, utilizes Mo Neibao to penetrate molding mode and light-guiding shade is combined as a whole.

Above-mentioned keyboard with button light source module, wherein, this light-guiding shade is to be made by lighttight material, its inner section is the structural form of convex shape.

Above-mentioned keyboard with button light source module, wherein, each button comprises circuit board and interlock unit and the keycap of being located between keyboard cover plate and base plate on this keyboard, and the corresponding open-work that runs through that is formed with of this keyboard cover plate and keycap, this light source module is located on the circuit board, its light-conductive hole is relative with open-work on the keycap, and the light that this lamp source module produces is led by this light-conductive hole and penetrated, and outwards penetrates through the open-work of this keycap.

The utility model is a lamp source module and light-guiding shade modularization, and an integrally formed light source module is assembled in efficient and quality on the keyboard to promote the button light source.Mainly diode chip for backlight unit and the encapsulation of two electrode pins are formed this lamp source module, utilize the Mo Neibao mode of penetrating to make this light-guiding shade be shaped in this lamp source module outer rim again, and in this light-guiding shade appropriate location that should diode chip for backlight unit is penetrated with a light-conductive hole, make light by this light-conductive hole to external radiation exposure.This keyboard comprises the circuit board between keyboard cover plate, base plate, keyboard cover plate and base plate, and members such as interlock unit and keycap, and this keycap appropriate location is formed with the open-work that runs through, this light source module is located on the circuit board, its light-conductive hole is relative with open-work on each keycap, the light that this lamp source module produces is led by this light-conductive hole and is penetrated, and outwards penetrates through the open-work of this keycap.Whereby, utilize the design of light source module singulation, can not only reduce manufacturing cost, make things convenient for each light source module to be located on the keyboard position of corresponding each button, and promote packaging efficiency and quality, more can make light keep certain mass simultaneously via the brightness that the integral type light-guiding shade outwards penetrates.

The technology that relevant the utility model adopted, means and effect thereof are lifted after a preferred embodiment and conjunction with figs. describe in detail, believe the above-mentioned purpose of the utility model, structure and feature, can obtain deeply, concrete understanding.

Description of drawings

Fig. 1 is a three-dimensional combination appearance figure of the present utility model;

Fig. 2 is a combination generalized section of the present utility model;

Fig. 3 is applied to perspective exploded view on the keyboard for the utility model;

Fig. 4 is applied to combination generalized section on the keyboard for the utility model;

Fig. 5 is applied to part section enlarged diagram on the keyboard for the utility model.

The main element label declaration:

1: keyboard 2: light source module 11: the keyboard cover plate

111,161: open-work 12: base plate 13: circuit board

15: interlock unit 151: elastic component 152: bridge formation spare

16: keycap 20: lamp source module 21: diode chip for backlight unit

22: electrode pin 23: encapsulated layer 30: light-guiding shade

31: light-conductive hole

Embodiment

Now architectural feature of the present utility model and other effect are described in detail as follows with purpose according to accompanying drawing embodiment:

See also Fig. 1 to shown in Figure 5, the utility model is a kind of keyboard with button light source module, comprise a keyboard 1 and be mounted on some light source modules 2 on this keyboard 1, wherein:

Members such as the circuit board 13, interlock unit 15 that this keyboard 1 comprises 12 of keyboard cover plate 11, base plate 12, keyboard cover plate 11 and base plates and keycap 16.This interlock unit 15 and keycap 16 constitute the main element of button, this interlock unit 15 is combined by elastic component 151 and bridge formation spare 152, and it is mounted between this keycap 16 and the keyboard cover plate 11, and this keycap 16 1 elastic-restoring forces are provided, these all are the technology of generally knowing, and repeat no more.The utility model is mainly in the appropriate location of this keyboard cover plate 11 and keycap 16 upper limb face correspondences, and correspondence is formed with open-work 111 and the open-work 161 that runs through up and down respectively.

This light source module 2 is formed integral structure by a lamp source module 20 and light-guiding shade 30, and it is electrically connected on this circuit board 13, and is the corresponding up and down assembling that wears with this open-work 161; This lamp source module 20 is made up of diode (LED) chip 21 and 22 encapsulation of two electrode pins, in the transparent encapsulated layer 23 of the corresponding coating of these diode chip for backlight unit 21 apical margins, its root edge then makes this two electrodes pin 22 outwards appear, and this light source module 2 is located on the circuit board 13 with corresponding circuit is electrically contacted.

This light-guiding shade 30 is shaped in the outer rim that 20 pairs of this lamp source modules should diode chip for backlight unit 21, on making this lamp source module 20 is placed in the mould of ejection formation, utilizes Mo Neibao to penetrate molding mode and light-guiding shade 30 is combined as a whole.This light-guiding shade 30 is lighttight material, its inner section is the structural form of convex shape, and appropriate location that should diode chip for backlight unit 21 is penetrated with a light-conductive hole 31, the light that makes this lamp source module 20 produce is penetrated to shine to the open-work 111 of this keyboard cover plate 11 and open-work 161 inner edges of keycap 16 by this light-conductive hole 31, and outwards penetrate through this open-work 161, so that button has luminous recognition effect.

In view of the above, borrow above-mentioned member to form, utilize the structure of each light source module 2 singulation, can not only reduce the cost of relevant spare part manufacturing and the inconvenience in the assembling, more can easily the position of each light source module 2 corresponding each buttons be located on the keyboard 1, and promote efficiency of assembling and quality, more can make light keep certain mass simultaneously, and then promote the practical value and the inter-industry competition of light source module 2 via the brightness that integral type lamp source module 20 and light-guiding shade 30 outwards penetrate.

The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.

Claims

1. keyboard with button light source module, it is characterized in that, this light source module comprises lamp source module and light-guiding shade, this lamp source module is made up of diode chip for backlight unit and the encapsulation of two electrode pins, this light-guiding shade is shaped in this lamp source module outer rim, and this light-guiding shade be to should being penetrated with light-conductive hole by diode chip for backlight unit, light by this light-conductive hole to external radiation exposure.

2. the keyboard with button light source module according to claim 1 is characterized in that this lamp source module places in the mould of ejection formation, utilizes Mo Neibao to penetrate molding mode and light-guiding shade is combined as a whole.

3. the keyboard with button light source module according to claim 1 is characterized in that, this light-guiding shade is to be made by lighttight material, and its inner section is the structural form of convex shape.

4. the keyboard with button light source module according to claim 1, it is characterized in that, each button comprises circuit board and interlock unit and the keycap of being located between keyboard cover plate and base plate on this keyboard, and the corresponding open-work that runs through that is formed with of this keyboard cover plate and keycap, this light source module is located on the circuit board, its light-conductive hole is relative with open-work on the keycap, and the light that this lamp source module produces is led by this light-conductive hole and penetrated, and outwards penetrates through the open-work of this keycap.