CN203934096U - The light-emitting device of keyboard back light module - Google Patents
The light-emitting device of keyboard back light module Download PDFInfo
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- CN203934096U CN203934096U CN201420284689.0U CN201420284689U CN203934096U CN 203934096 U CN203934096 U CN 203934096U CN 201420284689 U CN201420284689 U CN 201420284689U CN 203934096 U CN203934096 U CN 203934096U
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- circuit board
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- 238000005452 bending Methods 0.000 claims abstract description 6
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000013461 design Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model is the light-emitting device about a kind of keyboard back light module, the multiple luminous elements that comprise flexible circuit board and be positioned at flexible circuit board surface, and this flexible circuit board is to comprise two extensions of extending in the same way, body section, can be greater than for the area of body section the area of extension, and in body section surface middle position, arbitrary position of position to the left or position to the right, cut open and be provided with slit towards a side outside, can supply by slit the left body of body section, right body divides and is divided into two, again in the left body of the body section of slit two sides, on right body surface, be respectively equipped with multiple luminous elements, for left body, right body is 90 ° towards two relative outsides respectively and turns to bending, reach and dwindle flexible circuit board overall dimensions area, use material to reduce to manufacture, and can effectively reduce the object of manufacturing cost.
Description
Technical field
The utility model is to provide a kind of light-emitting device of keyboard back light module, espespecially can make by the flexible circuit board of reduced size area the light-emitting device of specification pattern size, usability circuit board extends in the same way and is provided with extension and body section, cut open and be provided with slit in body section surface again, can be divided into two for body section, and towards outside turnover aftershaping predetermined dimension size light-emitting device, reach and save the object that flexible circuit board is made material, reduced manufacturing cost.
Background technology
Along with the development of Technology Times, various electronics, electric product is also generally applied in people's life or operational environment, no matter and the application of desktop computer or notebook computer etc., bring especially people life and work on convenient, every various word processing, the editing and processing of photo or figure, bulletin, the application of Email or internet etc., it is all the pattern that people often use, also make the application of computer product more universal, and in the time carrying out various electronic homework by computer, all must required data be inputted one by one by keyboard, the data of inputting according to keyboard for main frame is processed, keyboard also becomes the instrument of computer operation indispensability, and at computer and various periphery product all towards gently, thin, short, little design concept is made, use function also to be promoted, especially the design of notebook computer, also by overall thickness reduction, the thickness of screen and keyboard is also reduced to amount, relatively also make keyboard by early stage large-scale framework, change the pattern of slim card into, and in keyboard, luminous element being set can be for periphery or the keyboard transmitted ray by keyboard, during for keyboard applications, can know the position of distinguishing each button, and keyboard structure is sequentially to assemble light shield layer in multiple buttons bottom, optical waveguide layer and reflector layer etc. form backlight module, utilization is positioned on the flexible circuit board of optical waveguide layer multiple luminous element projection sources is set, upwards reflect through light shield layer and cover local location by reflector layer, can assemble and upwards project towards each keyboard bottom position for light source, can appear light in surface of keyboard or periphery, and by light shield layer, the reflector backlight that optical waveguide layer and reflector form, by the light source that on flexible circuit board, multiple luminous elements project by optical waveguide layer, be directed to whole leaded light aspect, reflected towards light shield layer by reflector again, and projected upward by multiple slotted eyes on light shield layer for light source, with the multiple button projections towards the top installing of each slotted eye by light source, and in backlight module, provide the flexible circuit board of light source, must coordinate light shield layer, longitudinal width in optical waveguide layer and reflector, multiple luminous elements are set on the flexible circuit board of predetermined length dimension, for multiple luminous elements, towards two, outside is luminous relatively, to be projected to reflector, on optical waveguide layer and light shield layer, project to outside button bottom again, refer to shown in Fig. 5, to be known flexible circuit board A structure, known flexible circuit board A must have the length and area of preliminary dimension, for the bottom, reflector that is assembled in backlight module, must use more flexible circuit board A material, so the manufacturing cost of flexible circuit board A also improves relatively, and flexible circuit board A surface can be also more limited for the area size that multiple luminous element A1 are set, cannot adjust arrangement pitches or the position of each luminous element A1, in the time of practical application, still exist shortcomings to be improved.
Be with, how to solve in the backlight module of keyboard the problem and the puzzlement that when flexible circuit board is manufactured, use more material to cause cost to improve, and can be also limited for the area that luminous element is set on flexible circuit board, cannot change each luminous element arrange between apart from or shortcoming and the trouble of position etc., be the relevant manufacturer that is engaged in the industry and desire most ardently the direction place of research improvement.
Utility model content
Creator is because above-mentioned problem and shortcoming, be to collect related data, via in many ways assessing and considering, and to engage in the many years of experience of the industry accumulation, via constantly studying and revising, begin to design this kind and can be extended with in the same way extension, body section in the flexible circuit board of backlight module, be provided with slit and can cut open in larger area body section, transfer towards relative outside respectively for body section two sides, can be shaped to fixed dimension area for launching, and meet the new patent birth of the light-emitting device of the keyboard back light module of the size of backlight module.
Main purpose of the present utility model is, a kind of light-emitting device of keyboard back light module is provided, and it can reach and dwindle flexible circuit board overall dimensions area, can effectively reduce manufacturing cost to reduce manufacture to use material.
The utility model provides a kind of light-emitting device of keyboard back light module, comprises flexible circuit board and is positioned at multiple luminous elements on flexible circuit board surface, it is characterized in that:
This flexible circuit board comprises two extension, the body section of extending in the same way, and body section area is greater than the area of extension, and is provided with the slit being divided into two for body section in body section surface, then is respectively equipped with multiple luminous elements in the body section surface of slit two sides.
Wherein this flexible circuit board cuts open and is provided with slit towards a side outside in body section middle position, divides equally body section as left body and right body taking this slit, and equals the area of right body for the area of left body.
Wherein the body section of this flexible circuit board is positioned at the left body of slit two sides, right body, is 90 ° respectively turns to bending towards relative outside.
Wherein this left body, right body are respectively symmetry or asymmetric position and are 90 ° of bendings towards outside.
Wherein this flexible circuit board is respectively equipped with multiple luminous elements of equal number or different quantity in slit two sides of body section, and multiple luminous element is respectively light-emitting diode or High Power LED.
Wherein this flexible circuit board in body section surface side to the left or side position to the right, cut open and be provided with slit towards a side outside, is greater than or less than right body for left body, is the setting of asymmetric surface area for left body and right body.
Wherein this flexible circuit board supplies the bottom, reflector in the layered laminate light shield layer, optical waveguide layer and the reflector that are fixedly arranged on keyboard back light module.
The beneficial effects of the utility model are that it can reach and dwindle flexible circuit board overall dimensions area, can effectively reduce manufacturing cost to reduce manufacture to use material.
Brief description of the drawings
For reaching above-mentioned purpose and effect, the method for the technological means that the utility model adopts and structure thereof, enforcement etc., are described in detail as follows below in conjunction with drawings and Examples, wherein:
Fig. 1 is stereo appearance figure of the present utility model.
Fig. 2 is the stereo appearance figure of the utility model preferred embodiment.
Fig. 3 is the stereo appearance figure of another embodiment of the utility model.
Fig. 4 is the three-dimensional exploded view of the utility model Application Example.
Fig. 5 is the plane graph of known flexible circuit board.
Embodiment
Refer to shown in Fig. 1, Fig. 2, Fig. 3, to be the stereoscopic viewing figure of stereo appearance figure of the present utility model, preferred embodiment, the stereo appearance figure of another embodiment, by knowing and find out shown in figure, the light-emitting device of the utility model keyboard back light module, to comprise equidirectional extension extension arranged side by side 1 and body section 2, wherein:
This extension 1 is to be strip, one side is provided with docking section 11, and the another side in 11Yu extension, this docking section 1 is provided with connecting portion 12 towards vertical side edge relatively, then by the another side of connecting portion 12 towards vertical direction, the side of adjacent extension 1 extends and is provided with body section 2 in the same way again, and in body section 2 one sides of nearly connecting portion 12, cut open and be provided with slit 20 towards another side outside, be divided into two for body section 2, make body section 2 form respectively two relative left bodies 21 in slit 20 2 sides, right body 22, then in left body 21, right body 22 surfaces can be respectively equipped with multiple luminous elements 23, and for left body 21, right body 22 is in a side of nearly connecting portion 12, forming respectively can be for the folding region 24 of turnover, and 24 surfaces, two-fold district all can not arrange luminous element 23, and can extend in the same way by extension 1 and body section 2, body section 2 forms two relative left bodies 21 again, right body 22, can significantly shorten the length of flexible circuit board, reduce materials'use area, there is saving material, can reduce the effect of manufacturing cost, form flexible circuit board of the present utility model (FPC) by groups such as extension 1 and body section 2.
And the docking section 11 of above-mentioned these extension 1 one sides is to have multiple metallic contacts 111 can be electrically connected for forming with outside default transport interface, transfer wire or electric connector etc., for the transmission of carrying out electric signal or power supply.
And the body section 2 of above-mentioned flexible circuit board is can be in nearly middle position, side position to the left or side position to the right, cut open and be provided with slit 20 towards a side outside, and there is respectively for left body 21, the right body 22 of slit 20 2 sides the area that is symmetrical expression or asymmetric, can equal, be greater than or less than for left body 21 areas the area of right body 22; And left body 21, right body 22 surfaces arrange multiple luminous elements 23, also can be the setting of identical or different quantity, and for the difference that left body 21, the lip-deep multiple luminous elements 23 of right body 22 are the asymmetric of symmetrical expression or dislocation, pattern is set, can present for body section 2 variation of different designs.
Refer to Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, be to be respectively stereo appearance figure of the present utility model, the stereoscopic viewing figure of preferred embodiment, the stereo appearance figure of another embodiment, the three-dimensional exploded view of Application Example, by knowing and find out shown in figure, the flexible circuit board of the utility model light-emitting device, for when the practical application, can be by the left body 21 of body section 2, right body 22 towards external rollover folding, can pass through left body 21 respectively, right body 22 respectively and 24 positions, folding region of formation between a side connecting portion 12, by left body 21, right body 22 is respectively symmetrical expression (as shown in Figure 2) or asymmetric (as shown in Figure 3) 90 ° and turns to and throw towards relative outside, bending, and for left body 21, right body 22 launches to be positioned at a side vertical direction of extension 1, and makes left body 21, length dimension after right body 22 launches, can meet the width dimensions of keyboard back light module 3, facilitate the left body 21 of body section 2, the folding operation of right body 22 carries out fast, and by left body 21, right body 22 is incorporated into 31 bottoms, layered laminate reflector of keyboard back light module 3, can supply left body 21, multiple luminous elements 23 on right body 22, projection source is upwards projected to optical waveguide layer 32 by the reflector 31 of layered laminate respectively, light shield layer 33, can reach and organize the object that forms keyboard light emitting module 3.
Extension 1 and the body section 2 of above-mentioned this flexible circuit board, to be linked by a side connecting portion 12, form equidirectional extension, can effectively reduce the application length of material of flexible circuit board, and the surface area of body section 2 does not increase too many length of material, the real required material of flexible circuit board that still can effectively reduce of practical application, by applying minimal material, avoiding waste of material, and can reach the object that reduces manufacturing cost, to meet economic benefit.
Be with, the foregoing is only preferred embodiment of the present utility model, non-ly therefore limit to the scope of the claims of the present utility model, the light-emitting device of the utility model keyboard back light module, flexible circuit board can be extended to be in the same way provided with extension 1 and body section 2, and body section 2 is to cut open and be provided with slit 20 towards a side outside, form left body 21 for body section 2 by slit 20, right body 22, and in left body 21, right body 22 surfaces are provided with multiple luminous elements 23, can reach the left body 21 of body section 2, the right body 22 folding object of throwing towards relative outside respectively, after can launching by body section 2, form the size application that meets keyboard back light module 3, and can reduce flexible circuit board and make required material, also can reduce the function of manufacturing cost, therefore such as can reach the structure of aforementioned effect, device is contained by the utility model all should, this kind of simple and easy modification and equivalent structure change, all should in like manner be contained within the scope of claim of the present utility model.
Therefore, the utility model is to design mainly for the light-emitting device of keyboard back light module, to utilize flexible circuit board to extend to be in the same way provided with extension and body section, and cut open and be provided with slit in body section, form left body for body section, right body, and can be by left body, right body is thrown folding towards relative outside, and can reach left body, the size that right body expansion formation meets keyboard back light module is applied as main key protection point, to pass through extension, body section is extending design in the same way, reduce flexible circuit board application material, can reduce manufacturing cost, be only to make flexible circuit board there is the waste of material of avoiding, meet the advantage of economic benefit, can be easy to for flexible circuit board the object of folding application, only, the foregoing is only preferred embodiment of the present utility model, non-ly therefore limit to the scope of the claims of the present utility model, therefore the simple and easy modification that every utilization the utility model specification and graphic content are done and equivalent structure change, all should in like manner be contained within the scope of claim of the present utility model.
In sum, the light-emitting device of the above-mentioned keyboard back light module of the utility model is in the time of practical application, enforcement, for really reaching its effect and object, therefore the utility model is really the research and development of a practicality excellence, for meeting the application condition of new patent, therefore file an application in accordance with the law.
Claims (7)
1. a light-emitting device for keyboard back light module, comprises flexible circuit board and is positioned at multiple luminous elements on flexible circuit board surface, it is characterized in that:
This flexible circuit board comprises two extension, the body section of extending in the same way, and body section area is greater than the area of extension, and is provided with the slit being divided into two for body section in body section surface, then is respectively equipped with multiple luminous elements in the body section surface of slit two sides.
2. the light-emitting device of keyboard back light module as claimed in claim 1, it is characterized in that, wherein this flexible circuit board cuts open and is provided with slit towards a side outside in body section middle position, divides equally body section as left body and right body taking this slit, and equals the area of right body for the area of left body.
3. the light-emitting device of keyboard back light module as claimed in claim 2, is characterized in that, wherein the body section of this flexible circuit board is positioned at the left body of slit two sides, right body, is 90 ° respectively turns to bending towards relative outside.
4. the light-emitting device of keyboard back light module as claimed in claim 3, is characterized in that, wherein this left body, right body are respectively symmetry or asymmetric position and are 90 ° of bendings towards outside.
5. the light-emitting device of keyboard back light module as claimed in claim 1, it is characterized in that, wherein this flexible circuit board is respectively equipped with multiple luminous elements of equal number or different quantity in slit two sides of body section, and multiple luminous element is respectively light-emitting diode or High Power LED.
6. the light-emitting device of keyboard back light module as claimed in claim 1, it is characterized in that, wherein this flexible circuit board is in body section surface side to the left or side position to the right, cut open and be provided with slit towards a side outside, be greater than or less than right body for left body, supply left body and right body to be the setting of asymmetric surface area.
7. the light-emitting device of keyboard back light module as claimed in claim 1, is characterized in that, wherein this flexible circuit board supplies the bottom, reflector in the layered laminate light shield layer, optical waveguide layer and the reflector that are fixedly arranged on keyboard back light module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284689.0U CN203934096U (en) | 2014-05-30 | 2014-05-30 | The light-emitting device of keyboard back light module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284689.0U CN203934096U (en) | 2014-05-30 | 2014-05-30 | The light-emitting device of keyboard back light module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203934096U true CN203934096U (en) | 2014-11-05 |
Family
ID=51829841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420284689.0U Expired - Lifetime CN203934096U (en) | 2014-05-30 | 2014-05-30 | The light-emitting device of keyboard back light module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203934096U (en) |
-
2014
- 2014-05-30 CN CN201420284689.0U patent/CN203934096U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |