CN204084197U - Light outgoing assembly, LED and automobile signal light - Google Patents
Light outgoing assembly, LED and automobile signal light Download PDFInfo
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- CN204084197U CN204084197U CN201420294592.8U CN201420294592U CN204084197U CN 204084197 U CN204084197 U CN 204084197U CN 201420294592 U CN201420294592 U CN 201420294592U CN 204084197 U CN204084197 U CN 204084197U
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Abstract
Each embodiment of the present utility model discloses a kind of light outgoing assembly, LED and automobile signal light.Wherein, this light outgoing assembly comprises: at least one LED light source; Photoconductive tube, have multiple light emitting structures of arranging for receiving the incident end face from the light of at least one LED light source and the bearing of trend along photoconductive tube, wherein, multiple light emitting structures is configured to the light in photoconductive tube to export from photoconductive tube; And at least one reflector, for reflecting the light exported from photoconductive tube.Advantageously increase the rising angle of photoconductive tube or the free degree in direction according to smooth outgoing assembly of the present utility model, simplify the design of the light emitting structures on photoconductive tube and structural plane light source can be suitable for.
Description
Technical field
Each embodiment of the present disclosure relates to photoconduction field, relates more specifically to a kind of the light outgoing assembly, LED and the automobile signal light that comprise photoconductive tube.
Background technology
Photoconductive tube is as a kind of novel light guide techniques, and it has spot light is diffused into line source, and can control the advantage of light output direction simultaneously.Based on above-mentioned advantage, photoconductive tube is widely used in the automobile signal light of such as day portable lighter, side-marker lamp, steering indicating light, brake lamp, taillight etc. recently especially.
But still there is design relative complex, bright dipping not evenly and/or the shortcoming of area source cannot be applicable in the existing structural design comprising the light outgoing assembly of photoconductive tube.
Fig. 1-2 shows a kind of light outgoing assembly comprising photoconductive tube of routine and corresponding bright dipping schematic diagram thereof.As illustrated in fig. 1 and 2, this light outgoing assembly comprises LED light source 10 and photoconductive tube 20, and wherein LED light source 10 is positioned at a side end face of photoconductive tube 20, and the light that LED light source 10 is launched is coupled into photoconductive tube 20 via this end face.Photoconductive tube 20 is furnished with multiple light emitting structures 25 along the sidewall surfaces of the bearing of trend of photoconductive tube.Multiple light emitting structures 25 is configured to the light in photoconductive tube 20 to export in this photoconductive tube.In order to control to be bent to any may shape photoconductive tube light direction and produce enough uniform bright dipping, usually need to regulate one by one the size of each light emitting structures, shape and position etc., this causes the relative complex designed.
On the other hand, such photoconductive tube structural design is unsuitable for structural plane light source usually.
Utility model content
In view of above present situation, an object of the present disclosure is at least to provide a kind of light outgoing assembly comprising photoconductive tube of improvement, LED and automobile signal light, and it can overcome above-mentioned one or more shortcomings.
Therefore, according to an aspect of the present disclosure, provide a kind of light outgoing assembly, it is characterized in that, comprising: at least one LED light source; Photoconductive tube, have multiple light emitting structures of arranging for receiving the incident end face from the light of at least one LED light source and the bearing of trend along photoconductive tube, wherein, multiple light emitting structures is configured to the light in photoconductive tube to export from photoconductive tube; And at least one reflector, for reflecting the light exported from photoconductive tube.
According to the further embodiment of the disclosure, multiple light emitting structures is configured to be uniformly distributed along the bearing of trend of described photoconductive tube.
According to the further embodiment of the disclosure, multiple light emitting structures be positioned at photoconductive tube along in the sidewall surfaces of bearing of trend, this sidewall surfaces is formed curved surface to make the light exported from multiple light emitting structures at least towards both direction.
According to the further embodiment of the disclosure, at least one reflector is configured to the reflector of continuous shape.
According to the further embodiment of the disclosure, many groups light emitting structures that multiple light emitting structures bearing of trend comprised along photoconductive tube is arranged, that be separated by preset distance.
According to the further embodiment of the disclosure, at least one reflector comprises multiple reflector, and each reflector is configured to corresponding with the one group of light emitting structures organized in light emitting structures more.
According to the further embodiment of the disclosure, each reflector in multiple reflector has the sub-echo area corresponding with each light emitting structures in one group of light emitting structures.
According to the further embodiment of the disclosure, every sub-echo area has focus.
According to another aspect of the present disclosure, provide a kind of LED, it is characterized in that, comprising: according to the light outgoing assembly described in an above-mentioned aspect.
According to another aspect of the present disclosure, provide a kind of automobile signal light, it is characterized in that, comprise above-mentioned LED.
Accompanying drawing explanation
In the accompanying drawings, similar/identical Reference numeral usually runs through different views and refers to similar/identical part.Accompanying drawing also need not be drawn in proportion, but usually emphasizes the diagram to principle of the present disclosure.In the accompanying drawings:
Fig. 1 shows the schematic diagram comprising the light outgoing assembly of photoconductive tube of prior art;
Fig. 2 shows the bright dipping schematic diagram of light outgoing assembly as shown in Figure 1;
Fig. 3 shows the schematic diagram of the light outgoing assembly according to an embodiment of the present disclosure;
Fig. 4 shows the bright dipping schematic diagram of light outgoing assembly as shown in Figure 3;
Fig. 5 shows the schematic diagram of the light outgoing assembly according to another embodiment of the present disclosure;
Fig. 6 shows the bright dipping schematic diagram of light outgoing assembly as shown in Figure 5; And
Fig. 7 shows partial enlargement structure and the bright dipping schematic diagram of light outgoing assembly as shown in Figure 6.
Detailed description of the invention
Below with reference to accompanying drawing, each embodiment of the present disclosure is described in detail.One or more examples of embodiment are shown by accompanying drawing.Embodiment provided by elaboration of the present disclosure, and is not intended to as to restriction of the present disclosure.Such as, as an embodiment a part shown or described by feature may be used to generate another further embodiment in another embodiment.The disclosure is intended to comprise these and other modifications and variations belonging to disclosure scope and spirit.
Fig. 3 shows the schematic diagram of the light outgoing assembly according to an embodiment of the present disclosure.As shown in Figure 3, this light outgoing assembly comprises LED light source 10, photoconductive tube 20 and reflector 40.
Photoconductive tube 20 comprises two end faces and the sidewall surfaces of definite length extended between two end faces.LED light source 10 is configured in a side end face of photoconductive tube 20, and wherein via this end face, the light that LED light source 10 is launched is coupled into photoconductive tube 20.As the example that LED light source 10 and photoconductive tube 20 combine, LED light source 10 can be attached at a side end face of photoconductive tube 20.Alternatively, other optical elements can also be configured with between LED light source 10 and photoconductive tube 20, such as diverging lens etc.
According to each embodiment of the present disclosure, be not limited to the quantity of LED light source.In addition, depend on embody rule, more than one LED light source can be configured to the light launching random color or wavelength.
Although the LED light source illustrated 10 is arranged in a side end face of photoconductive tube 20, but LED light source 10 being arranged in the opposite side end face of photoconductive tube 20 above, or arranging LED light source respectively at the both sides end face of photoconductive tube 20, is all feasible.
According to each embodiment of the present disclosure, photoconductive tube 20 can be bent to shape possible arbitrarily as required.In addition, photoconductive tube 20 also comprises multiple light emitting structures 25 that the bearing of trend along this photoconductive tube is arranged, wherein this bearing of trend is perpendicular to the radial direction of this photoconductive tube.Multiple light emitting structures 25 is configured to the light in photoconductive tube 20 to export in this photoconductive tube, and the light output side of this photoconductive tube forms the light emission side of this photoconductive tube.
Exemplarily, multiple light emitting structures 25 can be designed to be located in the sidewall surfaces of light pipe 20, relative with the light emission side of this light pipe side.But this is not required.It will be understood by those skilled in the art that the position relationship of multiple light emitting structures on this light pipe and light emission side depends on the structural design of this light emitting structures, namely other position relationship is also possible.
In addition, the disclosure is not limited to type (or structure) and the quantity of the plurality of light emitting structures, and wherein any light emitting structures type being suitable for being exported in light pipe by light is all feasible.According to embodiment of the present disclosure, multiple light emitting structures 25 can comprise the light emitting structures of identical or different type.
As the example of the type of this light emitting structures, light emitting structures 25 can be designed to the protrusion of the sidewall surfaces being arranged in light pipe 20 or recessed tooth-like part or prismatic portion.
Further, the sidewall surfaces at light emitting structures 25 place of the present embodiment can be curved surface, thus makes the light exported from light emitting structures 25 at least towards both direction.
In addition, the plurality of light emitting structures bearing of trend that can be arranged to along light pipe 20 is continuously uninterrupted and/or be uniformly distributed.Such as, in one embodiment, the plurality of light emitting structures can one by one, thus distribute uninterruptedly.In another embodiment, the plurality of light emitting structures can only be uniformly distributed.But in other embodiments, the interruption of multiple light emitting structures or uneven distribution are all feasible.
Further, the size of the plurality of light emitting structures 25 and/or quantity can change along the length of light pipe.
As previously mentioned, the light outgoing assembly comprising photoconductive tube of prior art only relates to light pipe and LED light source usually, in order to obtain the light direction that photoconductive tube is expected, each light emitting structures one by one designed on photoconductive tube may be needed, which increasing the complexity of light emitting structures design on photoconductive tube.
But according to this embodiment of the present disclosure, this light outgoing assembly also comprises the reflector 40 of continuous shape especially.In the present embodiment, the reflector 40 of continuous shape is configured to single reflector.
Fig. 4 shows the bright dipping schematic diagram of light outgoing assembly as shown in Figure 3.As shown in Figure 4, the reflector 40 of continuous shape is configured to receive the light that exports from photoconductive tube 20 and is reflected away along the direction expected by received light, wherein continuously the position of the reflector 40 of shape and multiple light emitting structures 25 position of light pipe suitable.
It will be appreciated by those skilled in the art that, the introducing of the reflector 40 of continuous shape will greatly increase the design freedom comprising the light outgoing assembly of photoconductive tube, and the design difficulty of light emitting structures on photoconductive tube can easily be transferred on reflector and easily as required line source can be converted to area source by those skilled in the art.
In order to clearly understand the above-mentioned advantage according to the light outgoing assembly of this embodiment, particularly reflector, the design process of light emitting structures 25 will introduced briefly on the reflector 40 of above-mentioned continuous shape and photoconductive tube below.
For the reflector of this continuous shape, first, according to the bright dipping profile of expectation and/or the position of light direction position reflector; Secondly, the light of the light direction that traceback is expected, makes this light such as be reflected to the central axis of this photoconductive tube, thus derives and design the required form of this reflector.
For the light emitting structures on photoconductive tube, then the light quantity needed for this reflector be can calculate, density and the size of photo structure determined thus.Further, rising angle or the direction of photo structure can be adjusted, make most light can with such as with the direction directive reflector of the central axis upright of above-mentioned photoconductive tube.
Such as, when light emitting structures 25 is the tooth-like part protruding or be recessed into, integrally can regulates the size of this tooth-like part, density and rising angle, thus export the light of desired orientation and light quantity to reflector.
Apparently, the rising angle of this light emitting structures or direction can be adjusted further by the structural design of reflector, and this makes the design of this light emitting structures more simplify.In addition, by the structural design of this reflector, the line source of photoconductive tube is converted to area source will become possibility.
Fig. 5 shows the schematic diagram of the light outgoing assembly according to another embodiment of the present disclosure.Be similar to the embodiment shown in Fig. 3, this light outgoing assembly comprises LED light source 10, photoconductive tube 20 and multiple reflector 50.
Similarly, such as at least one LED light source 10 can be configured in a side end face of photoconductive tube 20, and wherein via this end face, the light that at least one LED light source 10 is launched is coupled into photoconductive tube 20.Exemplarily, at least one LED light source 10 can be attached at a side end face of photoconductive tube 20.Alternatively, other optical elements can also be configured with between at least one LED light source 10 and photoconductive tube 20, such as diverging lens etc.
In addition, photoconductive tube 20 can be bent to shape possible arbitrarily as required.Photoconductive tube 20 also comprises multiple light emitting structures 25 of arranging along its bearing of trend.
But, with the embodiment shown in Fig. 3 unlike, multiple light emitting structures 25 is configured to many groups light emitting structures that arrange along the bearing of trend of photoconductive tube 20, that be separated by preset distance, wherein often organize light emitting structures can comprise one or more light emitting structures; And be configured in multiple reflector 50 to correspond respectively to and above-mentioned organize light emitting structures more, this will will be described below further.
Fig. 6 shows the overall bright dipping schematic diagram of light outgoing assembly as shown in Figure 5.As can be seen, the light exported from photoconductive tube 20 reflects to the direction expected by multiple reflector 50 respectively, and this desired orientation depends on practical application and selects.
Fig. 7 shows partial enlargement structure and the bright dipping schematic diagram of light outgoing assembly as shown in Figure 6.Only as signal, there is shown 2 groups of light emitting structures 25 and corresponding 2 reflectors 50, wherein often organize light emitting structures 25 and comprise 3 light emitting structures 251,252 and 253, each reflector 50 comprises 3 the sub-echo areas 501,502 and 503 corresponding respectively to above-mentioned 3 light emitting structures.
As shown in Figure 7, light emitting structures 251 is designed to towards sub-echo area 501 emergent light, light emitting structures 252 is designed to towards sub-echo area 502 emergent light, light emitting structures 253 is designed to towards sub-echo area 503 emergent light, and then the light from above-mentioned light emitting structures outgoing reflects towards the direction expected by these 3 echo areas respectively.
According to this embodiment of the present disclosure, often the multiple light emitting structures organized in light emitting structures can be equally distributed.But in other embodiments, often the multiple light emitting structures uneven distributions organized in light emitting structures are also feasible.
Similarly, the present embodiment is not limited to the number of this many groups light emitting structures and often organizes type and the quantity of the light emitting structures in light emitting structures, and wherein any light emitting structures type being suitable for being exported in light pipe by light is all possible.According to this embodiment of the present disclosure, multiple light emitting structures can comprise the light emitting structures of identical or different type.
As the type of this light emitting structures and the example of quantity, the light emitting structures of often organizing shown in Fig. 7 comprises 3 tooth-like parts or prismatic portion protruded or be recessed into.
In addition, as shown in the figure, to be separated by between two groups of light emitting structures 25 preset distance.But the preset distance between the light emitting structures that those skilled in the art also should be understood that two adjacent groups also need not be identical, namely between many group light emitting structures and need not be equally distributed.Those skilled in the art can design any preset distance between the light emitting structures of arbitrary neighborhood two groups according to actual needs.
In addition, every sub-echo area can be designed to have focus.Now, can be considered that each light emitting structures of spot light such as can be positioned at the focus place of this sub-echo area, to realize more uniform light outgoing.
Although shown often group light emitting structures corresponds respectively to each reflector, and every sub-echo area corresponds respectively to each light emitting structures, but it will be appreciated by those skilled in the art that, many groups light emitting structures corresponds to a reflector, or multiple reflector corresponds to one group of light emitting structures, and multiple sub-echo area corresponds to a light emitting structures, or multiple light emitting structures corresponds to a sub-echo area, these are all possible, and those skilled in the art can need adjustment flexibly according to the design of reality.
As mentioned above, due to can for often organize light emitting structures and/or often each light emitting structures organized in light emitting structures design corresponding reflector and/or sub-echo area, which increase the flexibility of design, thus the control in the rising angle added light emitting structures or direction.
In order to clearly understand the above-mentioned advantage of light outgoing assembly, particularly multiple reflector 50 of this embodiment, the design process of many groups light emitting structures 25 will introduced briefly on above-mentioned multiple reflector 50 and photoconductive tube below.
Similarly, for the plurality of reflector, traceback can expect the light of light direction, make this light be reflected to the predetermined of this photoconductive tube or desired locations, thus determine the shape of each reflector.
For the light emitting structures on photoconductive tube, then according to the light output point from light pipe, the position often organizing light emitting structures can be determined.Further, according to the light quantity needed for this reflector, density and the size of the light emitting structures often organized in light emitting structures can be determined.Wherein, the rising angle between the light emitting structures of any two groups or direction can be identical or different, and the rising angle often organized between the light emitting structures of any two in light emitting structures or direction can be identical or different.
Further, rising angle between the light emitting structures often organizing any two in light emitting structures or direction different, corresponding echo area can be set at the opposite position of reflector, thus the control in the rising angle advantageously realized each light emitting structures or direction.
Those skilled in the art's easy understand, the introducing of the design freedom, particularly echo area that greatly increase the light outgoing assembly of the application also can be adjusted the shooting angle or direction of often organizing the light emitting structures in light emitting structures by the introducing of the plurality of reflector more pointedly.In addition, according to this embodiment, line source is also easily converted to area source by those skilled in the art as required.
Exemplarily describe above according to the embodiment comprising the light outgoing assembly of photoconductive tube of the present disclosure.Those skilled in the art, by clear, go for LED, to produce the light beam of intended shape according to the light outgoing assembly comprising photoconductive tube of the present disclosure.Especially, go for automobile signal light according to smooth outgoing assembly of the present disclosure, this automobile signal light includes but not limited to a day portable lighter, front and back steering indicating light, side-marker lamp, taillight, brake lamp etc.
Although illustrate and describe in detail the disclosure in accompanying drawing and aforementioned description, these illustrate and describe and should be considered to illustrative or exemplary instead of restrictive; The disclosure is not limited to the disclosed embodiments.Those skilled in the art are putting into practice in claimed invention, are appreciated that by research accompanying drawing, open and claims and are put into practice other variant of the disclosed embodiments.
In the claims, word " comprises " does not get rid of other element, and indefinite article "a" or "an" is not got rid of multiple.Discrete component or other unit can meet the function of the multiple projects set forth in the claims.That in mutually different embodiment or dependent claims, only records some feature only has the fact, and does not mean that the combination that advantageously can not use these features.When not departing from the spirit and scope of the application, the protection domain of the application is encompassed in that each feature recorded in each embodiment or dependent claims is any may be combined.
Any reference marker in the claims should not be understood to limit the scope of the present disclosure.
Claims (10)
1. a light outgoing assembly, is characterized in that, comprising:
At least one LED light source (10);
Photoconductive tube (20), there are multiple light emitting structures (25) of arranging for receiving the incident end face from the light of at least one LED light source described and the bearing of trend along described photoconductive tube, wherein, described multiple light emitting structures (25) is configured to the light in described photoconductive tube to export from described photoconductive tube; And
At least one reflector (40,50), for reflecting the light exported from described photoconductive tube (20).
2. smooth outgoing assembly according to claim 1, is characterized in that,
Described multiple light emitting structures (25) is configured to be uniformly distributed along the bearing of trend of described photoconductive tube.
3. smooth outgoing assembly according to claim 1 and 2, is characterized in that,
Described multiple light emitting structures (25) be positioned at described photoconductive tube (20) along in the sidewall surfaces of bearing of trend, described sidewall surfaces is formed curved surface to make the light exported from described multiple light emitting structures (25) at least towards both direction.
4. smooth outgoing assembly according to claim 1 and 2, is characterized in that,
At least one reflector described is configured to the reflector (40) of continuous shape.
5. smooth outgoing assembly according to claim 1, is characterized in that,
Many groups light emitting structures that described multiple light emitting structures bearing of trend comprised along described photoconductive tube is arranged, that be separated by preset distance.
6. smooth outgoing assembly according to claim 5, is characterized in that,
At least one reflector described comprises multiple reflector (50), and each described reflector is configured to corresponding with the described one group of light emitting structures organized in light emitting structures more.
7. smooth outgoing assembly according to claim 6, is characterized in that,
Each reflector in described multiple reflector has the sub-echo area (501,502,503) corresponding with each light emitting structures (251,252,253) in described one group of light emitting structures.
8. smooth outgoing assembly according to claim 7, is characterized in that,
Each described sub-echo area has focus.
9. a LED, is characterized in that, comprising:
Light outgoing assembly according to any one of claim 1-8.
10. an automobile signal light, is characterized in that, comprising:
LED according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294592.8U CN204084197U (en) | 2014-06-04 | 2014-06-04 | Light outgoing assembly, LED and automobile signal light |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294592.8U CN204084197U (en) | 2014-06-04 | 2014-06-04 | Light outgoing assembly, LED and automobile signal light |
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| CN204084197U true CN204084197U (en) | 2015-01-07 |
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| CN201420294592.8U Active CN204084197U (en) | 2014-06-04 | 2014-06-04 | Light outgoing assembly, LED and automobile signal light |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276493A (en) * | 2015-11-30 | 2016-01-27 | 芜湖安瑞光电有限公司 | Automobile front combination lamp with light guiding function |
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2014
- 2014-06-04 CN CN201420294592.8U patent/CN204084197U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276493A (en) * | 2015-11-30 | 2016-01-27 | 芜湖安瑞光电有限公司 | Automobile front combination lamp with light guiding function |
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Effective date of registration: 20180404 Address after: Holland Schiphol Patentee after: LUMILEDS HOLDING B.V. Address before: The city of Eindhoven in Holland Patentee before: Koninkl Philips Electronics NV |
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