CN2840595Y - Circuit board with radiating effect - Google Patents
Circuit board with radiating effect Download PDFInfo
- Publication number
- CN2840595Y CN2840595Y CN 200520113131 CN200520113131U CN2840595Y CN 2840595 Y CN2840595 Y CN 2840595Y CN 200520113131 CN200520113131 CN 200520113131 CN 200520113131 U CN200520113131 U CN 200520113131U CN 2840595 Y CN2840595 Y CN 2840595Y
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- radiating
- conductor
- area
- metal gasket
- substrate
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Abstract
The utility model relates to a circuit board with a radiating effect, which comprises a base board, a plurality of metal pads and a plurality of conductive bodies, wherein the metal pads are arranged on one surface of the base board for being electrically connected with an LED; the conductive bodies are arranged on the base board and are respectively electrically connected with the metal pads. At least one conductive body is provided with one radiating region; the radiating regions are laid on the base board; the area dimension of every radiating region is larger than the area dimension of the metal pads connected with the conductive bodies.
Description
Technical field
The utility model is relevant with circuit board, is meant a kind of circuit board with radiating effect especially.
Background technology
Be generally used in the light source module of mobile phone faceplate, mainly comprise a circuit board, and some light-emitting diodes of being located at circuit board, light-emitting diode (Light Emitting Diode utilized, LED) but the conduction after emitting characteristics, make light source module provide light source to mobile phone faceplate; And in order to allow panel have preferable color saturation, contrast, and brightness or the like display characteristic, must increase the light source that light-emitting diode sent usually, make light source module also must increase electric weight and be supplied to light-emitting diode; Along with the electric weight that is supplied to light-emitting diode increases; follow the heat that is produced behind the lumination of light emitting diode also constantly to raise; regular meeting causes the temperature overheating of integrated light source module; and then the display quality of reduction panel, the contrast that for example can produce panel reduces, can't show normal color or the like shortcoming.
In order to solve the overheated problem of above-mentioned light source module, common settling mode is to set up thermal grease and fin in light source module at present, the heat radiation that is produced after utilizing thermal grease and fin with lumination of light emitting diode is to extraneous, to reduce the temperature of integrated light source module.
Yet because the volume of above-mentioned light source module with fin is bigger, mobile phone also need have bigger spatial accommodation could install this light source module, makes the volume of whole mobile phone be difficult for dwindling; Simultaneously, because increased members such as thermal grease and fin, also can increase the product cost of light source module.
The utility model content
Therefore, main purpose of the present utility model is to be to provide a kind of circuit board with radiating effect, and it is to install light-emitting diode, and radiating effect is preferable, and product cost is also lower.
Take off purpose for before reaching, a kind of circuit board with radiating effect provided by the utility model is in order to installing at least one light-emitting diode, it is characterized in that, this circuit board includes:
One substrate;
Most metal gaskets, respectively this metal gasket is a surface of being located at this substrate, and in order to electrically connect respectively this light-emitting diode; And
Most conductors, respectively this conductor is located at this substrate, and is electrically connected at respectively this metal gasket respectively;
At least one this conductor has a radiating area, and respectively this radiating area is to be layed in this substrate, and respectively the area size of this radiating area is greater than the area size of the metal gasket that this conductor connected.
Wherein the area of these radiating areas is greater than four times of the areas of this metal gasket.
Wherein another surface of this substrate has at least one extension radiating area, and these extension radiating areas are and the mutual electrical communication of these radiating areas.
Wherein this substrate has at least one perforation in addition, and these radiating areas are to extend radiating area by this perforation electrical communication respectively in these.
A kind of circuit board with radiating effect of the utility model is characterized in that, includes:
One substrate;
One first metal gasket and one second metal gasket, this first metal gasket are in order to electrically connecting the negative pole of a light-emitting diode, and this second metal gasket is in order to electrically connect the positive pole of this light-emitting diode; And
One first conductor and one second conductor, this first conductor and this second conductor are surfaces of being located at this substrate, this first conductor is connected in this first metal gasket, this second conductor is connected in this second metal gasket, this first conductor has a radiating area, and the area size of this radiating area is greater than the area size of this first metal gasket.
Wherein the area of this radiating area is greater than four times of the areas of this first metal gasket.
Wherein this substrate has a positive and back side, this radiating area is located at this front, this first conductor has at least one extension radiating area in addition, and respectively this extension radiating area is located at this back side, and it is to electrically connect mutually with consistent at least hole that this radiating area and these extend between the radiating area.
Wherein this second conductor also has a radiating area, and the radiating area of this second conductor is to be located at this front or this back side.
Wherein this second conductor has plural second radiating area, and those second radiating areas are divided into this front and this back side.
A kind of circuit board with radiating effect of the utility model is characterized in that, includes:
One substrate;
Plural number first metal gasket and plural second metal gasket, respectively this first metal gasket is in order to electrically connecting the negative pole of a light-emitting diode, respectively this second metal gasket is in order to electrically connect the positive pole of this light-emitting diode; And
One first conductor and one second conductor, this first conductor and this second conductor are surfaces of being located at this substrate, this first conductor is connected in those first metal gaskets, this second conductor is connected in those second metal gaskets, this first conductor has a radiating area, and the area size of this radiating area is greater than four times of the area size of this first metal gasket respectively.
Wherein this substrate has a positive and back side, this radiating area is located at this front, this first conductor has at least one extension radiating area in addition, and respectively this extension radiating area is located at this back side, and it is to electrically connect mutually with consistent at least hole that this radiating area and these extend between the radiating area.
Wherein this second conductor also has a radiating area, and the radiating area of this second conductor is to be located at this front or this back side.
Wherein this second conductor has plural second radiating area, and those second radiating areas are divided into this front and this back side.
A kind of circuit board with radiating effect of the utility model is characterized in that, includes:
One substrate;
Plural number first metal gasket and plural second metal gasket, respectively this first metal gasket is in order to electrically connecting the negative pole of a light-emitting diode, respectively this second metal gasket is in order to electrically connect the positive pole of this light-emitting diode; And
At least one conductor, these conductors are surfaces of being located at this substrate, and are electrically connected at respectively this first metal gasket and respectively this second metal gasket;
Wherein this conductor is connected in this first metal gasket and this second metal gasket, and this conductor has at least one radiating area, and respectively the area size of this radiating area is greater than this first metal gasket respectively or four times of the area size of this second metal gasket respectively.
Wherein another surface of this substrate has at least one extension radiating area, and these extension radiating areas are and the mutual electrical communication of these radiating areas.
Wherein this substrate has at least one perforation in addition, and these radiating areas are to extend radiating area by this perforation electrical communication respectively in these.
Thus, the utility model must not utilize members such as adding thermal grease or fin, but can increase area of dissipation by this radiating area respectively, reaches the purpose that radiating effect is preferable, product cost is also lower.
Description of drawings
Below, enumerate some preferred embodiments in conjunction with the accompanying drawings, in order to structure of the present utility model and effect are elaborated, wherein each graphic brief description is as follows, wherein:
Fig. 1 is the front view of the utility model first preferred embodiment;
Fig. 2 is the front view of the utility model second preferred embodiment;
Fig. 3 is the front view of the utility model the 3rd preferred embodiment;
Fig. 4 is the rearview of the utility model the 3rd preferred embodiment;
Fig. 5 is the rearview of the utility model the 4th preferred embodiment;
Fig. 6 is the front view of the utility model the 5th preferred embodiment;
Fig. 7 is the rearview of the utility model the 5th preferred embodiment;
Fig. 8 is the rearview of the utility model the 6th preferred embodiment; And
Fig. 9 is the front view of the utility model the 7th preferred embodiment.
Embodiment
See also shown in Figure 1, be to provide circuit board 10 with radiating effect for the utility model first preferred embodiment, circuit board 10 comprises a substrate 20, substrate 20 is flexible printed wiring board (Flexible Printed Circuit, FPC), the front of substrate 20 is provided with two and electrically connects district 21, each electrically connects district 21 and has one first metal gasket 23 and one second metal gasket 22, each first metal gasket, 23 one is extended one first conductor 25, second conductor 24 at substrate 20 back sides is located in each second metal gasket, 22 connection one, each first and second conductor 25,24 are all electric conducting material makes, each first conductor 25 has the radiating area 26 that without exception is rectangle, and the extension area 27 that without exception is strip, each radiating area 26 is about first metal gasket 23 four times in the area of substrate 20 in the area of substrate 20; Each radiating area 26 is connected to each 27 of first metal gasket, 23, two extension area and interconnects after each radiating area 26 extends respectively.
Each first metal gasket 23 and second metal gasket 22 that electrically connects district 21 is in order to electrically connect a light-emitting diode (not shown), first metal gasket 23 is connected in the negative pole of light-emitting diode, second metal gasket 22 is connected in the positive pole of light-emitting diode, when first and second conductor 25,24 of power supply input substrate 20, power supply is to conduct to the light-emitting diode that is electrically connected at first, second metal gasket 23,22, makes lumination of light emitting diode; And when lumination of light emitting diode, the negative pole of light-emitting diode is easy to generate higher heat, heat can conduct to the radiating area 26 of first conductor 25 along first metal gasket 23, utilize radiating area 26 to have the larger area characteristic, heat radiation to the area in the outside air is also increased relatively, heat just comparatively apace the dissipation of self-luminous diode go out, and then increased the radiating effect of integrated circuit plate; Wherein, through the result of test, when the area of radiating area 26 during greater than four times of the areas of first metal gasket 23, integrated circuit plate 10 just can have preferable radiating effect.
Thus, the utility model must not utilize members such as adding thermal grease or fin, but can increase area of dissipation by the radiating area of each conductor, reaches the purpose that radiating effect is preferable, product cost is also lower.
The material of aforesaid substrate also can utilize glass or lamp guide (Light Bar) to replace, and can reach the purpose of this utility model equally.
Dispel the heat because the utility model is the radiating area that directly utilizes each conductor and had, therefore, radiating area can change and is connected in different metal gaskets, or is located at substrate with other area size, multi-form paving mode; As shown in Figure 2, be to provide circuit board 30 with radiating effect for the utility model second preferred embodiment, its primary structure and first preferred embodiment are roughly the same, characteristics are: but radiating area 31 extends to the maximum usable floor area on substrate 33 surfaces in the area of substrate 33, and 2 first metal gaskets 32 also are connected in radiating area 31, thus, the utility model can obtain maximum area of dissipations in limited circuit board space, make better heat-radiation effect.
Again as shown in Figures 3 and 4, be to provide circuit board 40 with radiating effect for the utility model the 3rd preferred embodiment, its characteristics then are: substrate 41 has some perforations 42 in addition, the front of substrate 41 has a radiating area 43, the back side of substrate 41 is provided with three and extends radiating area 44, radiating area 43 extends radiating areas 44 by each perforation 42 difference electrical communication in three, utilize radiating area 43 to reach the characteristic of respectively extending radiating area 44 mutual conduction, can increase the area of substrate 41 usefulness, improve the radiating efficiency of integrated circuit plate again for heat radiation.
As shown in Figure 5, be to provide circuit board 50 with radiating effect for the utility model the 4th preferred embodiment, wherein substrate 51 also has 2 first metal gaskets 53 and 2 second metal gaskets 52, characteristics then are: substrate 51 back sides are provided with one and extend radiating area 54, extending radiating area 54 is to be connected in 2 second metal gaskets 52, thus, the positive pole that connects light-emitting diode when each second metal gasket 52, when each first metal gasket 53 connects the negative pole of light-emitting diode, extending radiating area 54 can dispel the heat at the heat that positive pole produced of light-emitting diode, and is not limited to above-mentionedly only dispel the heat at the negative pole of light-emitting diode; Simultaneously, as the mode of above-mentioned the utility model the 3rd preferred embodiment, first metal gasket also can electrically connect the radiating area at the front and the back side of substrate by the mode of perforation, to reach the area that increase can be dispelled the heat.
In addition, as Figure 6 and Figure 7, be to provide circuit board 60 with radiating effect for the utility model the 5th preferred embodiment, its composition member and second preferred embodiment are roughly the same, characteristics are that the front of substrate 61 has one first radiating area 62 and one second radiating area 63, the back side has one first and extends radiating area 64 and one second extension radiating area 65, it is mutual electrical communication that first radiating area 62 and first extends radiating area 64, first extends radiating area 64 is electrically connected at 2 second metal gaskets 66, it is mutual electrical communication that second radiating area 63 and second extends radiating area 65, and second radiating area 63 is electrically connected at 2 first metal gaskets 67, via said structure, when the negative pole and the positive pole of light-emitting diode is divided into first and second metal gasket 67,66 o'clock, negative pole can see through second radiating area 63 respectively with the anodal heat that is produced, second extends the radiating area 65 and first radiating area 62, first extends radiating area 64 dispels the heat, and reaches negative pole and the anodal effect of heat radiation simultaneously to light-emitting diode.
And as shown in Figure 8, be to provide circuit board 70 with radiating effect for the utility model the 6th preferred embodiment, its composition structure and the 5th preferred embodiment are roughly the same, can carry out heat radiation work at the negative pole and the positive pole of light-emitting diode equally, characteristics are that then the extension radiating area 72 at substrate 71 back sides is to be connected in 2 first metal gaskets 73, but and extend radiating area 72 extends to the back side in the area of substrate 71 maximum usable floor area.
Again as shown in Figure 9, be to provide circuit board 80 with radiating effect for the utility model the 7th preferred embodiment, its composition member and the 5th preferred embodiment are roughly the same, and characteristics are that then substrate 81 fronts are provided with one first radiating area 82, one second radiating area 83, and one the 3rd radiating area 84; First radiating area 82 is connected in one first metal gasket, 85, the second radiating areas 83 and is connected in another first metal gasket 86 and one second metal gasket 87, and the 3rd radiating area 84 is connected in another second metal gasket 88; Thus, when the mode with the circuit series connection was installed in substrate 81 with two light-emitting diodes, each radiating area 82-84 also can have radiating effect.
Claims (16)
1. circuit board with radiating effect is in order to installing at least one light-emitting diode, it is characterized in that, this circuit board includes:
One substrate;
Most metal gaskets, respectively this metal gasket is a surface of being located at this substrate, and in order to electrically connect respectively this light-emitting diode; And
Most conductors, respectively this conductor is located at this substrate, and is electrically connected at respectively this metal gasket respectively;
At least one this conductor has a radiating area, and respectively this radiating area is to be layed in this substrate, and respectively the area size of this radiating area is greater than the area size of the metal gasket that this conductor connected.
2. according to the described circuit board of claim 1, it is characterized in that wherein the area of these radiating areas is greater than four times of the areas of this metal gasket with radiating effect.
3. according to the described circuit board with radiating effect of claim 1, it is characterized in that wherein another surface of this substrate has at least one extension radiating area, these extension radiating areas are and the mutual electrical communication of these radiating areas.
4. according to the described circuit board with radiating effect of claim 3, it is characterized in that wherein this substrate has at least one perforation in addition, these radiating areas are to extend radiating area by this perforation electrical communication respectively in these.
5. the circuit board with radiating effect is characterized in that, includes:
One substrate;
One first metal gasket and one second metal gasket, this first metal gasket are in order to electrically connecting the negative pole of a light-emitting diode, and this second metal gasket is in order to electrically connect the positive pole of this light-emitting diode; And
One first conductor and one second conductor, this first conductor and this second conductor are surfaces of being located at this substrate, this first conductor is connected in this first metal gasket, this second conductor is connected in this second metal gasket, this first conductor has a radiating area, and the area size of this radiating area is greater than the area size of this first metal gasket.
6. according to the described circuit board of claim 5, it is characterized in that wherein the area of this radiating area is greater than four times of the areas of this first metal gasket with radiating effect.
7. according to the described circuit board of claim 5 with radiating effect, it is characterized in that, wherein this substrate has a positive and back side, this radiating area is located at this front, this first conductor has at least one extension radiating area in addition, respectively this extension radiating area is located at this back side, and it is to electrically connect mutually with consistent at least hole that this radiating area and these extend between the radiating area.
8. according to the described circuit board with radiating effect of claim 5, it is characterized in that wherein this second conductor also has a radiating area, the radiating area of this second conductor is to be located at this front or this back side.
9. according to the described circuit board with radiating effect of claim 5, it is characterized in that wherein this second conductor has plural second radiating area, those second radiating areas are divided into this front and this back side.
10. the circuit board with radiating effect is characterized in that, includes:
One substrate;
Plural number first metal gasket and plural second metal gasket, respectively this first metal gasket is in order to electrically connecting the negative pole of a light-emitting diode, respectively this second metal gasket is in order to electrically connect the positive pole of this light-emitting diode; And
One first conductor and one second conductor, this first conductor and this second conductor are surfaces of being located at this substrate, this first conductor is connected in those first metal gaskets, this second conductor is connected in those second metal gaskets, this first conductor has a radiating area, and the area size of this radiating area is greater than four times of the area size of this first metal gasket respectively.
11. according to the described circuit board of claim 10 with radiating effect, it is characterized in that, wherein this substrate has a positive and back side, this radiating area is located at this front, this first conductor has at least one extension radiating area in addition, respectively this extension radiating area is located at this back side, and it is to electrically connect mutually with consistent at least hole that this radiating area and these extend between the radiating area.
12., it is characterized in that wherein this second conductor also has a radiating area according to the described circuit board with radiating effect of claim 10, the radiating area of this second conductor is to be located at this front or this back side.
13., it is characterized in that wherein this second conductor has plural second radiating area according to the described circuit board with radiating effect of claim 10, those second radiating areas are divided into this front and this back side.
14. the circuit board with radiating effect is characterized in that, includes:
One substrate;
Plural number first metal gasket and plural second metal gasket, respectively this first metal gasket is in order to electrically connecting the negative pole of a light-emitting diode, respectively this second metal gasket is in order to electrically connect the positive pole of this light-emitting diode; And
At least one conductor, these conductors are surfaces of being located at this substrate, and are electrically connected at respectively this first metal gasket and respectively this second metal gasket;
Wherein this conductor is connected in this first metal gasket and this second metal gasket, and this conductor has at least one radiating area, and respectively the area size of this radiating area is greater than this first metal gasket respectively or four times of the area size of this second metal gasket respectively.
15., it is characterized in that wherein another surface of this substrate has at least one extension radiating area according to the described circuit board with radiating effect of claim 14, these extension radiating areas are and the mutual electrical communication of these radiating areas.
16. according to the described circuit board with radiating effect of claim 14, it is characterized in that wherein this substrate has at least one perforation in addition, these radiating areas are to extend radiating area by this perforation electrical communication respectively in these.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520113131 CN2840595Y (en) | 2005-08-08 | 2005-08-08 | Circuit board with radiating effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520113131 CN2840595Y (en) | 2005-08-08 | 2005-08-08 | Circuit board with radiating effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2840595Y true CN2840595Y (en) | 2006-11-22 |
Family
ID=37428565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520113131 Expired - Lifetime CN2840595Y (en) | 2005-08-08 | 2005-08-08 | Circuit board with radiating effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2840595Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220915B (en) * | 2008-01-16 | 2010-06-30 | 友达光电股份有限公司 | Light source module and backlight unit |
-
2005
- 2005-08-08 CN CN 200520113131 patent/CN2840595Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220915B (en) * | 2008-01-16 | 2010-06-30 | 友达光电股份有限公司 | Light source module and backlight unit |
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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 |
Expiration termination date: 20150808 Granted publication date: 20061122 |
|
| EXPY | Termination of patent right or utility model |