CN1560930A - Light source module - Google Patents
Light source module Download PDFInfo
- Publication number
- CN1560930A CN1560930A CNA2004100286861A CN200410028686A CN1560930A CN 1560930 A CN1560930 A CN 1560930A CN A2004100286861 A CNA2004100286861 A CN A2004100286861A CN 200410028686 A CN200410028686 A CN 200410028686A CN 1560930 A CN1560930 A CN 1560930A
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- CN
- China
- Prior art keywords
- light
- export mouth
- guiding shade
- source module
- light source
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Abstract
A light source module includes a CB, a light emitting diode and a light conduction shell which is matched on the CB in the way of covering the diode and has related first and a second light conduction ports at both sides of the diode and leads the light of the diode to emit to outside forming two-way conduction lights through the two ports.
Description
[technical field]
The invention relates to a kind of light source module, and particularly relevant for a kind of light source module that can two-way leaded light.
[background technology]
Light-emitting diode (Light Emitting Diode, LED) owing to have multiple advantages, for example reaction speed is fast, luminescent lifetime is long, volume is little, power-saving, the difficult heating and the reliability height, therefore becomes the main luminescence component of backlight module (backlight module) gradually.Wherein, many light-emitting diodes can be arranged in an array type light source module.
Please refer to Fig. 1, it illustrates is the part vertical view of traditional light source module.In Fig. 1, light source module 100 comprises circuit board 101 and several light-emitting diodes 102 at least.These a little light-emitting diodes 102 are arranged along a straight line, as a line light source group, and are arranged on the circuit board 101.Because the light that provided of each light-emitting diode 102 is 360 degree scatterings, therefore when these a little light-emitting diodes 102 when arranging along a straight line, the light between the two adjacent light-emitting diodes 102 will certainly intercept and disturb mutually.Consequently, have the generation of invalid luminous zone 106 between adjacent two light-emitting diodes 102.
In addition, the angular dimension of effective luminous zone 104 of each light-emitting diode 102 is density degree decisions that a little thus light-emitting diodes 102 are arranged.That is the distance between the two adjacent light-emitting diodes 102 is bigger, and effectively the angle of luminous zone 104 is then bigger.Otherwise the existence of invalid luminous zone 106 can make that the light of these a little light-emitting diodes 102 can't be utilized fully, and the brightness quality that influences light source module 100 is very huge.
[summary of the invention]
In view of this, purpose of the present invention is providing a kind of light source module exactly, it covers the design of light-emitting diode with light-guiding shade, the light that can guide light-emitting diode is extremely extraneous via the light export mouth ejaculation of light-guiding shade, solve the problem of traditional invalid luminous zone that light source module produced, and promoted the brightness quality of light source module widely.
According to purpose of the present invention, a kind of light source module is proposed, comprise a circuit board, a light-emitting diode and a light-guiding shade (shell).This light-emitting diodes piping is disposed on the circuit board, in order to light to be provided.Light-guiding shade system is disposed on the circuit board in the mode that covers this light-emitting diode, and this light-guiding shade has one first relative light export mouth and one second light export mouth.The first light export mouth and second light export mouth system are positioned at the both sides of this light-emitting diode, and this light-guiding shade system penetrates to the external world via the first light export mouth and the second light export mouth in order to the light of guiding light-emitting diode.
According to a further object of the present invention, a kind of light source module is proposed, comprise a circuit board, a line light source group, two light guide plate and several light-guiding shades.This line light source group has several light-emitting diodes, and these a little light-emitting diodes pipings are disposed on the circuit board.Two light guide plate system is arranged at outside two sides of this line light source group.Each light-guiding shade system is disposed on this circuit board in the mode that covers corresponding light-emitting diode, and each light-guiding shade has one first relative light export mouth and one second light export mouth.This first light export mouth and this second light export mouth system are positioned at the both sides of each corresponding light-emitting diode, and the first light export mouth of each light-guiding shade and the second light export mouth are the side of corresponding ground to two light guide plate.Each light-guiding shade in order to the light of guiding corresponding light-emitting diode in the first light export mouth and this second light export mouth thus penetrate so far two light guide plate.
[description of drawings]
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
It is the part vertical view of traditional light source module that Fig. 1 illustrates.
It is schematic perspective view according to the light source module of the first embodiment of the present invention that Fig. 2 A illustrates.
Fig. 2 B illustrates the vertical view of the light source module that is Fig. 2 A.
It is the profile of the light source module looked of the hatching 2C-2C ' along Fig. 2 B that Fig. 2 C illustrates.
Fig. 3 illustrates the vertical view of the light source module that is the second embodiment of the present invention.
[embodiment]
Embodiment one
Please be simultaneously with reference to Fig. 2 A～2C, it is schematic perspective view according to the light source module of the first embodiment of the present invention that Fig. 2 A illustrates, Fig. 2 B illustrates the vertical view of the light source module that is Fig. 2 A, and it is the profile of the light source module looked of the hatching 2C-2C ' along Fig. 2 B that Fig. 2 C illustrates.
In Fig. 2 A～2C, light source module 200 comprises a circuit board 202, a light-emitting diode 204 and a light-guiding shade (shell) 206.This light-emitting diode 204 is to be disposed on the circuit board 202, in order to light to be provided.206 of light-guiding shades are disposed on the circuit board 202 in the mode that covers this light-emitting diode 204, and this light-guiding shade 206 has the first relative light export mouth 208 and the second light export mouth 210.
If segmented, light-guiding shade 206 comprises the first arc light-guiding shade 212 and the second arc light-guiding shade 214 again.The one end system of the first arc light-guiding shade 212 forms the first light export mouth 208 with circuit board 202.On the other hand, an end of the second arc light-guiding shade 214 system is connected with the other end of the first arc light-guiding shade 212, and the other end of the second arc light-guiding shade 214 system forms the second light export mouth 214 with circuit board 202.
Light-emitting diode 204 is intersection and the circuit board 202 formed openings 216 that are arranged in the first arc light-guiding shade 212 and 214 second arc light-guiding shades.The first light export mouth 208 and the second light export mouth 210 are the both sides that is positioned at this light-emitting diode 204, and this light-guiding shade 206 is to penetrate to the external world via the first light export mouth 208 and the second light export mouth 210 and form two-way leaded light in order to the light of guiding light-emitting diode 204.
The size system of the first light export mouth 208 and the equal and opposite in direction of the second light export mouth 210 also can be unequal.Moreover the size of the opening 216 of the intersection of the first arc light-guiding shade 208 and the second arc light-guiding shade 210 system is less than the size of the first light export mouth 208 and the second light export mouth 210, makes light-guiding shade 206 just like as the first half structure of same spindle.Thus, not only the light of light-emitting diode 204 promptly scatters to predetermined direction by the default radian of the first arc light-guiding shade 208 and the second arc light-guiding shade 210, and the light of light source module 200 can fully effectively be utilized.
But those skilled in the art can understand that also technology of the present invention is not confined to this, and for example, the material of light-guiding shade 206 is an aluminium, and can be integrated structure, and is coated with layer protective layer on the inwall of light-guiding shade 206.In addition, but be sputter (sputtering) one deck reflector on the inwall of light-guiding shade 206, and this reflector being the metal level of the high electrical conductivity of tool, for example is copper, silver and aluminium.
Embodiment two
Please refer to Fig. 3, it illustrates is vertical view according to the light source module of the second embodiment of the present invention.Light source module 400 comprises a circuit board 402, a line light source group 404, light guide plate 406 and 408 and several are as embodiment one described light-guiding shade 206.This line light source group 404 has several embodiment one described light-emitting diodes 204, and is disposed on the circuit board 402. Light guide plate 404 and 406 is to be arranged at outside two sides of this line light source group 404.
Because these a little light-emitting diodes 204 are to arrange along a straight line, so two adjacent light-emitting diodes 204 can form invalid luminous zone each other.For the existence of the invalid luminous zone of preventing, each light-emitting diode 204 is capped the light-guiding shade 206 of a correspondence respectively.In other words, each light-guiding shade 206 is to be disposed on the circuit board 402 in the mode that covers corresponding light-emitting diode 204.
Because each light-guiding shade 206 has one first relative light export mouth 208 and one second light export mouth 210, and the first light export mouth 208 and the second light export mouth 210 of each light-guiding shade are the both sides that is positioned at each corresponding light-emitting diode 204, and the first light export mouth 208 of each light-guiding shade 206 and the second light export mouth 210 are respectively towards the side of light guide plate 406 and 408.Therefore each light-guiding shade 206 light that can guide corresponding light-emitting diode 204 penetrates respectively to light guide plate 406 and light guide plate 408 through the first light export mouth 208 and this second light export mouth 210 thus, promotes the brightness quality of light source module 400 widely.
Thus, the light of 404 scatterings of line light source group leaves invalid luminous zone with being guided respectively and makes the light intensity that is incident to light guide plate 104 and light guide plate 106 increase thus.On the other hand, also can reach the purpose of two-way bright dipping.
The disclosed light source module of the above embodiment of the present invention, it covers the design of light-emitting diode with light-guiding shade, the light that can guide light-emitting diode is extremely extraneous via the two light export mouths ejaculation of light-guiding shade, solved the problem of traditional invalid luminous zone that light source module produced, also can under the situation that does not increase light-emitting diode quantity, promote the brightness quality of light source module widely.
In sum; though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; anyly be familiar with the person skilled in art; without departing from the spirit and scope of the present invention; when can doing various changes and modification, so protection scope of the present invention should be as the criterion according to defining of claims.
Claims (16)
1. light source module comprises at least:
One circuit board;
One light-emitting diode is to be disposed on this circuit board, in order to light to be provided; And
One light-guiding shade (shell), system is disposed on this circuit board in the mode that covers this light-emitting diode, this light-guiding shade has one first relative light export mouth and one second light export mouth, this first light export mouth and this second light export mouth system are positioned at the both sides of this light-emitting diode, and this light-guiding shade penetrates to the external world via this first light export mouth and this second light export mouth in order to the light of guiding this light-emitting diode.
2. light source module according to claim 1 is characterized in that, this light-guiding shade comprises:
One first arc light-guiding shade, one end system forms this first light export mouth with this circuit board; And
One second arc light-guiding shade, one end system is connected with the other end of this first arc light-guiding shade, and the other end system of this second arc light-guiding shade forms this second light export mouth with this circuit board.
3. light source module according to claim 1 is characterized in that, the size of this first light export mouth is an equal and opposite in direction about and this second light export mouth.
4. light source module according to claim 3 is characterized in that, the intersection of this first arc light-guiding shade and this second arc light-guiding shade and the size of the formed opening of this circuit board system are less than the size of this first light export mouth and this second light export mouth.
5. light source module according to claim 1, it is characterized in that, system can be provided with one first light guide plate and one second light guide plate outside the both sides of this light-emitting diode, and the side system of this first light guide plate is towards this first light export mouth, and the side of this second light guide plate is towards this second light export mouth.
6. light source module according to claim 1 is characterized in that, the material of this light-guiding shade is an aluminium.
7. light source module according to claim 6 is characterized in that, is coating one protective layer on the inwall of this light-guiding shade
8. light source module according to claim 1 is characterized in that, is sputter one reflector on the inwall of this light-guiding shade.
9. light source module comprises:
One circuit board;
One line light source group has a plurality of light-emitting diodes, and those light-emitting diodes pipings are disposed on this circuit board, in order to light to be provided;
Two light guide plate are to be arranged at outside two sides of this line light source group; And
A plurality of light-guiding shades, respectively this light-guiding shade is that the mode of this light-emitting diode is disposed on this circuit board to cover respectively, respectively this light-guiding shade has one first relative light export mouth and one second light export mouth, respectively this of this light-guiding shade first light export mouth and this second light export mouth system is positioned at the respectively both sides of this light-emitting diode, respectively this of this light-guiding shade first light export mouth and this second light export mouth are the side of corresponding ground to this two light guide plate, and respectively the light of this light-emitting diode penetrates to this two light guide plate via this first light export mouth and this second light export mouth this light-guiding shade in order to guide respectively.
10. light source module according to claim 9 is characterized in that, respectively this light-guiding shade comprises:
One first arc light-guiding shade, one end system forms this first light export mouth with this circuit board; And
One second arc light-guiding shade, one end system is connected with the other end of this first arc light-guiding shade, and the other end system of this second arc light-guiding shade forms this second light export mouth with this circuit board.
11. light source module according to claim 9 is characterized in that, the size of this first light export mouth is an equal and opposite in direction about and this second light export mouth.
12. light source module according to claim 11, it is characterized in that the intersection of this first arc light-guiding shade and this second arc light-guiding shade and the size of the formed opening of this circuit board system are less than the size of this first light export mouth and this second light export mouth.
13. light source module according to claim 9 is characterized in that, the material of this light-guiding shade is an aluminium.
14. light source module according to claim 13 is characterized in that, coating one protective layer on the inwall of this light-guiding shade.
15. light source module according to claim 9 is characterized in that, is sputter one reflector on the inwall of this light-guiding shade.
16. light source module according to claim 9 is characterized in that, the structure that this light-guiding shade is formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100286861A CN100345315C (en) | 2004-03-12 | 2004-03-12 | Light source module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100286861A CN100345315C (en) | 2004-03-12 | 2004-03-12 | Light source module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1560930A true CN1560930A (en) | 2005-01-05 |
| CN100345315C CN100345315C (en) | 2007-10-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100286861A Expired - Fee Related CN100345315C (en) | 2004-03-12 | 2004-03-12 | Light source module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100345315C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426089C (en) * | 2006-11-16 | 2008-10-15 | 友达光电股份有限公司 | Display and its lens |
| CN108008570A (en) * | 2016-10-27 | 2018-05-08 | 船井电机株式会社 | Display device |
| CN109630953A (en) * | 2018-12-29 | 2019-04-16 | 中山市流丽照明有限公司 | A kind of bidirectional luminescence Waterproof LED light projecting lamp |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521825U (en) * | 2009-10-19 | 2010-07-07 | 深圳帝光电子有限公司 | High-brightness LED lamp |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6614103B1 (en) * | 2000-09-01 | 2003-09-02 | General Electric Company | Plastic packaging of LED arrays |
| JP4344978B2 (en) * | 2001-01-30 | 2009-10-14 | ラボ・スフィア株式会社 | Interior lighting device |
| JP4239476B2 (en) * | 2002-05-14 | 2009-03-18 | 豊田合成株式会社 | Light emitting diode, LED light and reflector |
| JP2003158302A (en) * | 2001-11-21 | 2003-05-30 | Toyoda Gosei Co Ltd | Light emitting diode |
| CN2599716Y (en) * | 2002-12-13 | 2004-01-14 | 鸿富锦精密工业（深圳）有限公司 | Luminous device |
-
2004
- 2004-03-12 CN CNB2004100286861A patent/CN100345315C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426089C (en) * | 2006-11-16 | 2008-10-15 | 友达光电股份有限公司 | Display and its lens |
| CN108008570A (en) * | 2016-10-27 | 2018-05-08 | 船井电机株式会社 | Display device |
| CN108008570B (en) * | 2016-10-27 | 2021-01-29 | 船井电机株式会社 | Display device |
| CN109630953A (en) * | 2018-12-29 | 2019-04-16 | 中山市流丽照明有限公司 | A kind of bidirectional luminescence Waterproof LED light projecting lamp |
| CN109630953B (en) * | 2018-12-29 | 2021-06-04 | 中山市流丽照明有限公司 | Two-way luminous waterproof LED projecting lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100345315C (en) | 2007-10-24 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20210312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |