CN101378439A - Light source die set for scanning apparatus - Google Patents
Light source die set for scanning apparatus Download PDFInfo
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- CN101378439A CN101378439A CNA2007101479795A CN200710147979A CN101378439A CN 101378439 A CN101378439 A CN 101378439A CN A2007101479795 A CNA2007101479795 A CN A2007101479795A CN 200710147979 A CN200710147979 A CN 200710147979A CN 101378439 A CN101378439 A CN 101378439A
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- light
- light source
- source module
- post
- leaded light
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Abstract
The invention relates to a light source module of a scanning device, comprising a first light transferring pole, a second light transferring pole and a light emitting diode. The first light transferring pole is provided with a first incident plane arranged in a first end part; the second light transferring pole is provided with a second incident plane arranged in a second end part; the light emitting diode is arranged between the first end part and the second part. By utilizing the light emitting diode setting between the two end parts of the two light transferring poles, the light source module can ensure the light of the light emitting diode equally emitting light through the two light transferring poles, so as to substitute the presently well known cold cathode fluorescent tube. Compared with the known prior art, the light source module of the scanning device can not only enhance light emitting efficiency, shorten the driving time of the light source module, but also lengthen the working life of the light source module and enhance the overall scanning speed and quality of the scanning device.
Description
Technical field
The present invention relates to a kind of light source module, particularly relate to a kind of light source module of scanning means.
Background technology
The data image input of scanner now, facsimile machine, copying machines or affairs machine all must just can be reached by the scanning process of light source.Therefore, the luminous efficiency of the light source of scanning means, stability and driving time are the concern usefulness and the quality of scanning means integral body.
See also shown in Figure 1ly, a kind of scanning means 1 of existing known techniques comprises an image induction element 11, a light source 12 and a transparent support plate 13.Wherein, scanning means 1 is the one scan device.Image induction element 11 is that (Charge-Coupled Device, CCD), transparent support plate 13 then is a glass support plate to a charge coupled device.Light source 12 is a cathode fluorescent tube (Cold-CathodeFluorescent Lamp, linear light sorurce CCFL), and being arranged between transparent support plate 13 and the image induction element 11.When scanning means 1 scanning is placed in a file 14 of transparent support plate 13 tops, light source 12 luminous light be inswept surface with file 14 so that image induction element 11 is accepted the light that file 14 is reflected, to finish the scanning process of scanning means 1.
Yet existing known techniques is with cathode fluorescent tube during as light source, and the driving time of scanning means and luminous efficiency are neither as be the scanning means of light source with the light-emitting diode.
Therefore, how to provide a kind of light source module of scanning means, both can shorten the driving time of light source module, also can increase the luminous efficiency of light source module, to promote the sweep speed and the scanning quality of scanning means, real is one of current important topic.
Summary of the invention
The objective of the invention is to, overcome the defective of the light source existence of existing scanning means, and provide a kind of light source module of scanning means of new structure, technical problem to be solved is sweep speed and the quality that makes the working life of its driving time that can shorten the light source module, prolongation light source module and promote scanning means integral body, is very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.The light source module of a kind of scanning means that proposes according to the present invention, comprise: one first leaded light post is to have one first incidence surface to be arranged at a first end; One second leaded light post is to have one second incidence surface to be arranged at a second end; And a light-emitting diode, be to be arranged between this first end and this second end.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The light source module of aforesaid scanning means, the wherein said first leaded light post has more one three end relative with this first end, and this second leaded light post has more one four end relative with this second end.
The light source module of aforesaid scanning means, the thickness of wherein said first end and this second end are respectively greater than the 3rd end and the 4th end.
The light source module of aforesaid scanning means, the wherein said first leaded light post has more one first bottom surface, and this second leaded light post has more one second bottom surface.
The light source module of aforesaid scanning means, the wherein said first leaded light post has more one the 3rd bottom surface, and this first bottom surface and the 3rd bottom surface are to form an angle.
The light source module of aforesaid scanning means, the wherein said second leaded light post has more one the 4th bottom surface, and this second bottom surface and the 4th bottom surface are to form an angle.
The light source module of aforesaid scanning means, it more comprises: a reflector plate is to be adjacent to this first bottom surface of this first leaded light post and this second bottom surface of this second leaded light post.
The light source module of aforesaid scanning means, the wherein said first leaded light post has more one first exiting surface, this first exiting surface is to be oppositely arranged with this first bottom surface, and this second leaded light post has more one second exiting surface, and this second exiting surface is to be oppositely arranged with this second bottom surface.
The light source module of aforesaid scanning means, wherein said first exiting surface and this second exiting surface are to have plural biconvex lens, plural protuberance and/or plural pit respectively.
The light source module of aforesaid scanning means, wherein said first bottom surface and this second bottom surface are to have plural prism, at least one Fresnel Lenses or plural site.
The light source module of aforesaid scanning means, the drift angle angle of wherein said prism is inequality.
The light source module of aforesaid scanning means, wherein respectively the gash depth of this prism is inequality.
The light source module of aforesaid scanning means, it more comprises: a light guiding lens is to cover this light-emitting diode.
The present invention compared with prior art has tangible advantage and beneficial effect.As known from the above, for achieving the above object, the light source module that the invention provides a kind of scanning means comprises one first leaded light post, one second leaded light post and a light-emitting diode.The first leaded light post is to have one first incidence surface to be arranged at a first end.The second leaded light post is to have one second incidence surface to be arranged at a second end.Light-emitting diode is to be arranged between first end and the second end.
By technique scheme, the light source module of scanning means of the present invention has following advantage and beneficial effect at least:
The light source module of a kind of scanning means of the present invention is by being arranged at light-emitting diode between the end of two leaded light posts, and the light that makes light-emitting diode is via the even bright dipping of two leaded light posts, to replace existing known cathode fluorescent tube.Compare with existing known techniques, the light source module of scanning means of the present invention not only can improve light emitting efficiency, and can shorten the driving time of light source module, also prolongs the working life of light source module, promotes the overall scan speed and the quality of scanning means.
In sum, the present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and the light source of more existing scanning means has the outstanding effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the existing known a kind of scanning means and the schematic diagram of light source thereof.
Fig. 2 is the schematic diagram of light source module of a kind of scanning means of the first embodiment of the present invention.
Fig. 3 is the schematic diagram of light source module of a kind of scanning means of the second embodiment of the present invention.
1: scanning means 11: image induction element
12: light source 13: transparent support plate
14: file 2,3: light source module
21,31: the first leaded light posts 211,311: the first incidence surfaces
212,312: the first bottom surfaces 213,313: the first exiting surfaces
22,32: the second leaded light posts 221,321: the second incidence surfaces
222,322: the second bottom surfaces 223,323: the second exiting surfaces
23,33: light-emitting diode 231,331: adhesive body
24,34: light guiding lens 312 ': the 3rd bottom surface
The 322 ': the 4th bottom surface E1: first end
E2: the second end E3, E3 ': the 3rd end
E4, E4 ': the 4th end N: biconvex lens
P: prism R: reflector plate
T1, T2: thickness θ: angle
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of light source module, structure, feature and the effect thereof of the scanning means that foundation the present invention is proposed, describe in detail as after.
First embodiment
See also shown in Figure 2ly, the light source module 2 of a kind of scanning means of first embodiment of the invention comprises one first leaded light post 21, one second leaded light post 22 and a light-emitting diode 23.The first leaded light post 21 and the second leaded light post 22 can be a side's bar shaped leaded light post or the wedge shape leaded light post that the bottom surface is the plane, also can be an arc leaded light post of bottom surface tool cambered surface.In the present embodiment, the first leaded light post 21 and the second leaded light post 22 are to be example with side's bar shaped leaded light post, and the first leaded light post 21 and the second leaded light post 22 are to be a straight line to arrange.Wherein, the first leaded light post 21 is to have one first incidence surface 211 to be arranged at a first end E1; The second leaded light post 22 is to have one second incidence surface 221 to be arranged at a second end E2, and first end E1 and the second end E2 are the subtend settings.
Light-emitting diode 23 can be a light-emitting diode or a naked crystalline substance (die), and is arranged between first end E1 and the second end E2.In the present embodiment, light-emitting diode 23 is except that having an adhesive body 231 encapsulation, and it is to cover light-emitting diode 23 that light source module 2 more comprises a light guiding lens 24, and light shape can be penetrated toward two sides.
The first leaded light post 21 has more the one three end E3 relative with first end E1; The second leaded light post 22 has more the one four end E4 relative with the second end E2.In addition, the first leaded light post 21 has more one first bottom surface 212 and one first exiting surface, 213, the first exiting surfaces 213 are to be oppositely arranged with first bottom surface 212; The second leaded light post 22 has more one second bottom surface 222 and one second exiting surface, 223, the second exiting surfaces 223 are to be oppositely arranged with second bottom surface 222.
The light that light-emitting diode 23 is sent is to enter the first leaded light post 21 and the second leaded light post 22 by first incidence surface 211 and second incidence surface 221.After those prisms P reflection of first bottom surface 212 and second bottom surface 222, light can be by first exiting surface 213 and 223 bright dippings of second exiting surface.Because first exiting surface 213 and second exiting surface 223 have biconvex lens N, so emergent light is evenly distributed.
Second embodiment
See also shown in Figure 3ly, the light source module 3 of a kind of scanning means of second embodiment of the invention comprises one first leaded light post 31, one second leaded light post 32 and a light-emitting diode 33.Be that with the first embodiment difference in the present embodiment, the first leaded light post 31 and the second leaded light post 32 are to be example with a wedge shape leaded light post respectively.The thickness T 1 of first end E1 and the second end E2 is respectively greater than the thickness T 2 of the 3rd end E3 ' and the 4th end E4 '.In addition, the first leaded light post 31 has more one the 3rd bottom surface 312 ', and first bottom surface 312 and the 3rd bottom surface 312 ' are to form an angle θ; The second leaded light post 32 has more one the 4th bottom surface 322 ', and second bottom surface 322 and the 4th bottom surface 322 ' be to form an angle θ, and angle θ is preferably less than 5 degree.
In sum, the light source module of complying with a kind of scanning means of the present invention is by being arranged at light-emitting diode between the end of two leaded light posts, and the light that makes light-emitting diode is via the even bright dipping of two leaded light posts, to replace existing known cathode fluorescent tube.Compare with existing known techniques, the light source module of scanning means of the present invention not only can improve light emitting efficiency, and can shorten the driving time of light source module, also prolongs the working life of light source module, promotes the overall scan speed and the quality of scanning means.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (13)
1, a kind of light source module of scanning means is characterized in that it comprises:
One first leaded light post is to have one first incidence surface to be arranged at a first end;
One second leaded light post is to have one second incidence surface to be arranged at a second end; And
One light-emitting diode is to be arranged between this first end and this second end.
2, light source module according to claim 1 is characterized in that wherein this first leaded light post has more one three end relative with this first end, and this second leaded light post has more one four end relative with this second end.
3, light source module according to claim 1 is characterized in that wherein the thickness of this first end and this second end is respectively greater than the 3rd end and the 4th end.
4, light source module according to claim 1 is characterized in that wherein this first leaded light post has more one first bottom surface, and this second leaded light post has more one second bottom surface.
5, light source module according to claim 4 is characterized in that wherein this first leaded light post has more one the 3rd bottom surface, and this first bottom surface and the 3rd bottom surface are to form an angle.
6, light source module according to claim 4 is characterized in that wherein this second leaded light post has more one the 4th bottom surface, and this second bottom surface and the 4th bottom surface are to form an angle.
7, light source module according to claim 4 is characterized in that it more comprises:
One reflector plate is to be adjacent to this first bottom surface of this first leaded light post and this second bottom surface of this second leaded light post.
8, light source module according to claim 4, it is characterized in that wherein this first leaded light post has more one first exiting surface, this first exiting surface is to be oppositely arranged with this first bottom surface, and this second leaded light post has more one second exiting surface, and this second exiting surface is to be oppositely arranged with this second bottom surface.
9, light source module according to claim 8 is characterized in that wherein this first exiting surface and this second exiting surface are to have plural biconvex lens, plural protuberance and/or plural pit respectively.
10, light source module according to claim 4 is characterized in that wherein this first bottom surface and this second bottom surface are to have plural prism, at least one Fresnel Lenses or plural site.
11, light source module according to claim 10 is characterized in that wherein the drift angle angle of those prisms is inequality.
12, light source module according to claim 10 is characterized in that wherein respectively the gash depth of this prism is inequality.
13, light source module according to claim 1 is characterized in that it more comprises:
One light guiding lens is to cover this light-emitting diode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101479795A CN101378439A (en) | 2007-08-30 | 2007-08-30 | Light source die set for scanning apparatus |
| US11/964,492 US20090052207A1 (en) | 2007-08-23 | 2007-12-26 | Light source module of scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101479795A CN101378439A (en) | 2007-08-30 | 2007-08-30 | Light source die set for scanning apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101378439A true CN101378439A (en) | 2009-03-04 |
Family
ID=40421763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101479795A Pending CN101378439A (en) | 2007-08-23 | 2007-08-30 | Light source die set for scanning apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101378439A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010149074A1 (en) * | 2009-06-26 | 2010-12-29 | 中山市华电科技照明有限公司 | Led decorative lamp with dual light emitting plates |
-
2007
- 2007-08-30 CN CNA2007101479795A patent/CN101378439A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010149074A1 (en) * | 2009-06-26 | 2010-12-29 | 中山市华电科技照明有限公司 | Led decorative lamp with dual light emitting plates |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090304 |