CN101532641A - Light source device - Google Patents
Light source device Download PDFInfo
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- CN101532641A CN101532641A CN200810085351A CN200810085351A CN101532641A CN 101532641 A CN101532641 A CN 101532641A CN 200810085351 A CN200810085351 A CN 200810085351A CN 200810085351 A CN200810085351 A CN 200810085351A CN 101532641 A CN101532641 A CN 101532641A
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Abstract
The invention discloses a light source device which comprises at least one light source module. The light source module comprises a light guiding pole and at least one first light-emitting component. The light guiding pole is provided with a first end surface, a second end surface, a light-emitting surface, a first surface and a second surface. The second end surface is opposite to the first end surface. The light-emitting surface is connected between the first end surface and the second end surface. The first surface is connected to the first end surface, opposite to the light-emitting surface and inclined or parallel relatively to the light-emitting surface. The second surface is connected between the first surface and the second end surface, opposite to the light-emitting surface, and inclined or parallel to the light-emitting surface. The first light-emitting component is configured beside the first end surface and shines out a first light beam appropriately. The first light beam enters the light guiding pole by the first end surface and is propagated outside the light guiding pole by the light-emitting surface.
Description
Technical field
The present invention relates to a kind of light supply apparatus, and particularly relate to a kind of light supply apparatus that adopts the leaded light post.
Background technology
Progress along with semiconductor technology, light emitting diode (light-emitting diode, LED) power that can reach is increasing, and the light intensity that is sent is more and more higher, add that light emitting diode has power saving, long service life, environmental protection, startup is quick, volume is little ... wait multiple advantage, make that the application of light emitting diode is more and more wider.This application comprises illumination, traffic sign, display, optical mouse ... etc.
Yet,,, can make the high light of intensity all concentrate on any along with luminous intensity is more and more higher because light emitting diode is a spot light.When such spot light is used for the general illumination purposes, makes the human eye of this spot light of direct-view feel under the weather easily, that is produce dazzle, and make euphorosia decline.Because the power and the brightness of light emitting diode have increasing development trend, so the lifting of euphorosia just seems important more.
Generally speaking, before desire promotes euphorosia and diffuser plate or other light-guide devices can be positioned over light emitting diode, to produce the light source that brightness comparatively disperses.Yet, when utilizing diffuser plate or light-guide device that brightness is disperseed, can make the light loss of part, and waste the energy.Therefore, the best mode that promotes euphorosia not only will be considered the degree of scatter of brightness, also to consider the utilization rate of light, and make light loss reduce as far as possible, and then energy savings.
Summary of the invention
The object of the present invention is to provide a kind of light supply apparatus, the light source that it can provide brightness comparatively to disperse, and have higher light utilization efficiency concurrently.
One embodiment of the invention propose a kind of light supply apparatus, and it comprises at least one light source module.Light source module comprises a leaded light post and at least one first light-emitting component.The leaded light post has one first end face, one second end face, an exiting surface, a first surface and a second surface.Second end face is relative with first end face.Exiting surface is connected between first end face and second end face.First surface is connected to first end face, and relative with exiting surface, and exiting surface tilts or be parallel relatively.First surface and the angle of first end face in the leaded light post are more than or equal to 90 degree and less than 180 degree.Second surface is connected between the first surface and second end face, and relative with exiting surface, and exiting surface tilts relatively.First surface and the second surface angle in the leaded light post is greater than 0 degree and less than 180 degree.First light-emitting component is disposed at by first end face, and is suitable for sending one first light beam.First light beam can enter the leaded light post by first end face, and is transmitted to outside the leaded light post via exiting surface.
In one embodiment of this invention, the leaded light post has more a plurality of optical microstructures, and it is positioned at first end face, and first light beam can pass through these optical microstructures.
In one embodiment of this invention, the leaded light post has more a plurality of concentric annular dimpled grains, and it is positioned at first end face, and first light beam can pass through these concentric annular dimpled grains.
In one embodiment of this invention, the leaded light post has more at least one ccontaining concave surface, and it is positioned at first end face, with ccontaining first light-emitting component.
In one embodiment of this invention, the leaded light post has more a plurality of optical microstructures, and it is positioned at ccontaining concave surface, and first light beam can pass through these optical microstructures.
In one embodiment of this invention, the leaded light post has more a plurality of coaxial ring-type dimpled grains, and it is positioned at ccontaining concave surface, and first light beam can pass through these coaxial ring-type dimpled grains.
In one embodiment of this invention, the leaded light post has more one first patterned optical micro-structural, and it is positioned at first surface and/or second surface.
In one embodiment of this invention, light source module more comprises one first diffusion layer, and it is disposed on first surface and/or the second surface.
In one embodiment of this invention, light source module more comprises one first reflector element, and it is disposed on the first surface.
In one embodiment of this invention, light source module more comprises one second reflector element, and it is disposed on the second surface.
In one embodiment of this invention, the leaded light post more has more one the 3rd surface, and it is connected between first end face and the exiting surface, and relative with first surface.The 3rd surface is spent greater than 90 degree and less than 180 with the angle of first end face in the leaded light post.
In one embodiment of this invention, the leaded light post can have more one second patterned optical micro-structural, and it is positioned at the 3rd surface.
In one embodiment of this invention, light source module more comprises one second diffusion layer, and it is disposed on the 3rd surface.
In one embodiment of this invention, light source module more comprises one the 3rd reflector element, and it is disposed on the 3rd surface.
In one embodiment of this invention, the leaded light post has more one the 4th surface and one the 5th surface.The 4th surface is connected to second surface, and relative with exiting surface, and exiting surface tilts relatively.Second surface and the 4th surface angle in the leaded light post is greater than 180 degree and less than 360 degree.The 5th surface is connected between the 4th surface and second end face, and relative with exiting surface, and exiting surface tilts or be parallel relatively.The 4th surface is spent greater than 0 degree and less than 180 with the angle of the 5th surface in the leaded light post.The 5th surface is spent more than or equal to 90 degree and less than 180 with the angle of second end face in the leaded light post.Light source module can more comprise at least one second light-emitting component, and it is disposed at by second end face, and is suitable for sending one second light beam.Second light beam can enter the leaded light post by second end face, and is transmitted to outside the leaded light post via exiting surface.
In one embodiment of this invention, light source module more comprises one the 4th reflector element, and it is disposed on second end face.
In one embodiment of this invention, light supply apparatus more comprises an electric connector, and it is electrically connected to light source module.
In one embodiment of this invention, above-mentioned at least one light source module is a plurality of light source modules, and the leaded light post of each light source module extends along a first direction, and these leaded light posts of these light source modules are arranged along a second direction vertical with first direction.
In one embodiment of this invention, above-mentioned at least one light source module is a plurality of light source modules, and the leaded light post of each light source module extends along a first direction, and these leaded light posts of these light source modules are arranged along first direction.
In one embodiment of this invention, the angle of the normal vector of the normal vector of second end face and exiting surface is more than or equal to 90 degree and less than 180 degree.
One embodiment of the invention more propose a kind of light supply apparatus, and it comprises at least one light source module.Light source module comprises a leaded light post and at least one first light-emitting component.The leaded light post has one first end face, one second end face, an annular surface, an exiting surface and a second surface.Second end face is relative with first end face.Annular surface is connected to first end face.Exiting surface is connected between the annular surface and second end face, and is wherein poor to the section of having between small part annular surface and the exiting surface.Second surface is connected between the annular surface and second end face, and relative with exiting surface, and is wherein poor to the section of having between small part annular surface and the second surface.First light-emitting component is disposed at by first end face, and is suitable for sending one first light beam, and wherein first light beam can enter the leaded light post by first end face, and is transmitted to outside the leaded light post via exiting surface.
In one embodiment of this invention, the leaded light post has a patterned optical micro-structural, is positioned on the second surface.The leaded light post is to be extended toward second end face by first end face along a first direction, and the patterned optical micro-structural can comprise a plurality of dimpled grains.Each dimpled grain extends along a second direction vertical with first direction, and these dimpled grains are arranged along first direction.
In one embodiment of this invention, second end face comprises a plurality of sub-end faces.Each sub-end face is curved surface or plane, and the angle of adjacent two sub-end faces in the leaded light post is greater than 0 degree and less than 180 degree.
In the light supply apparatus of one embodiment of the invention, the light that light-emitting component sent can be converted to the strip light source that brightness comparatively disperses through the leaded light post.In addition, the light with the optical axis that departs from light-emitting component than wide-angle can still can be effectively utilized so depart from the light of optical axis, and then be promoted the light utilization efficiency of light supply apparatus by first surface or annular surface reflection.
For above-mentioned feature and advantage of the present invention can be become apparent, a plurality of embodiment cited below particularly, and cooperate appended accompanying drawing, be described in detail below.
Description of drawings
Figure 1A is the generalized section of the light supply apparatus of first embodiment of the invention;
Figure 1B is that the light source module of light supply apparatus of Figure 1A is along the generalized section of I-I line;
Fig. 2 is the generalized section of the light supply apparatus of second embodiment of the invention;
Fig. 3 A is the generalized section of light source module of the light supply apparatus of third embodiment of the invention;
Fig. 3 B illustrates leaded light post among Fig. 3 A with its first end face schematic side view forward;
Fig. 4 A is the generalized section of light source module of the light supply apparatus of fourth embodiment of the invention;
Fig. 4 B illustrates leaded light post among Fig. 4 A with its first end face schematic side view forward;
Fig. 5 is the generalized section of light source module of the light supply apparatus of fifth embodiment of the invention;
Fig. 6 A is the generalized section of light source module of the light supply apparatus of sixth embodiment of the invention;
Fig. 6 B illustrates leaded light post among Fig. 6 A with its first end face schematic side view forward;
Fig. 7 is the generalized section of light source module of the light supply apparatus of seventh embodiment of the invention;
Fig. 8 is the generalized section of light source module of the light supply apparatus of eighth embodiment of the invention;
Fig. 9 is the generalized section of light source module of the light supply apparatus of ninth embodiment of the invention;
Figure 10 is the generalized section of light source module of the light supply apparatus of tenth embodiment of the invention;
Figure 11 is the generalized section of light source module of the light supply apparatus of eleventh embodiment of the invention;
Figure 12 is the generalized section of light source module of the light supply apparatus of twelveth embodiment of the invention;
Figure 13 is the generalized section of the light supply apparatus of thriteenth embodiment of the invention;
Figure 14 A is the generalized section of light source module of the light supply apparatus of fourteenth embodiment of the invention;
Figure 14 B is the schematic perspective view of the leaded light post among Figure 14 A;
Figure 15 is the generalized section of the light supply apparatus of fifteenth embodiment of the invention;
Figure 16 is the schematic perspective view of the leaded light post in the light supply apparatus of sixteenth embodiment of the invention;
Figure 17 is exiting surface forward the front elevational schematic of the light supply apparatus of seventeenth embodiment of the invention with its leaded light post;
Figure 18 is exiting surface forward the front elevational schematic of the light supply apparatus of eighteenth embodiment of the invention with its leaded light post.
The main element symbol description
100,100a, 100l, 100n, 100p, 100q: light supply apparatus
110: electric connector
200,200a, 200b, 200c, 200d, 200e, 200f, 200g, 200h, 200i, 200j, 200k, 200l, 200m, 200n: light source module
210,210a, 210b, 210c, 210d, 210e, 210f, 210g, 210h, 210i, 210j, 210k, 210l, 210m, 210n, 210o: leaded light post
220: the first light-emitting components
222: the first light beams
222a, 222b, 222c: light beam
230,230m: first reflector element
240,240k: second reflector element
250: the four reflector elements
260,260k: the 5th reflector element
270,270k: the 6th reflector element
280: the three reflector elements
290: the seven reflector elements
310,310b, 310c, 310d, 310e, 310f, 310m: first end face
312: optical microstructures
312 ': conical shaped depression
312 ": oval conical indentation
312 " ': polygonal conical indentation
312c: concentric annular dimpled grain
312d, 312e, 312f, 312m: ccontaining concave surface
312e ': coaxial ring-type dimpled grain
313a: bottom surface
313b: side
313m: sub-surface
320,320g, 320i, 320l, 320m, 320o: second end face
322,342,352,352m, 362,372,382,392,412,422: patterned optical micro-structural
322g, 342g, 352g: diffusion layer
324a, 324b: sub-end face
330: exiting surface
340,340a, 340g: first surface
340m: annular surface
350,350g, 350k, 350m: second surface
353m: dimpled grain
355m: low dip face
357m: little vertical plane
360,360k: the 8th surface
370,370k: the 6th surface
380: the three surfaces
390: the four surfaces
410: the five surfaces
420: the seven surfaces
430m, 430o: joint face
510: the second light-emitting components
512: the second light beams
520: the eight reflector elements
530: the nine reflector elements
A: optical axis
D1: first direction
D2: second direction
L1, L2: distance
L3, L3 ', L3 ", L3 " ': width
L4, L4 ', L4 ", L4 " ': the degree of depth
N1, N1 ', N1 ", N2: normal vector
θ 1, θ 1 ', θ 2, θ 3, θ 4, θ 5, θ 6, θ 7, θ 8, θ 8 ': angle
The specific embodiment
In this manual, the normal vector on a surface of an object is defined as by this interior of articles and points to the outside and vector vertical with this surface of this object.
First embodiment
Figure 1A is the generalized section of the light supply apparatus of first embodiment of the invention, and Figure 1B is that the light source module of light supply apparatus of Figure 1A is along the generalized section of I-I line.Please refer to Figure 1A and Figure 1B, the light supply apparatus 100 of present embodiment comprises a light source module 200.Light source module 200 comprises a leaded light post 210.Leaded light post 210 has one first end face 310, one second end face 320, an exiting surface 330, a first surface 340 and a second surface 350.Second end face 320 is relative with first end face 310.Exiting surface 330 is connected between first end face 310 and second end face 320.First surface 340 is connected to first end face 310, and relative with exiting surface 330.In the present embodiment, first surface 340 relative exiting surfaces 330 tilt.In addition, first surface 340 and the angle theta 1 of first end face 310 in leaded light post 210 are greater than 90 degree and less than 180 degree.Second surface 350 is connected between the first surface 340 and second end face 320, and relative with exiting surface 330, and exiting surface 330 tilts relatively.First surface 340 is spent greater than 0 degree and less than 180 with the angle theta 2 of second surface 350 in leaded light post 210.
In the light supply apparatus 100 of present embodiment, owing to the light beam 222a with the optical axis A that departs from light-emitting component 220 than wide-angle can be utilized by 230 reflections of first reflector element, so light supply apparatus 100 has higher light utilization efficiency.In addition, because the spot light that light-emitting component 220 is sent can change the strip light source that brightness comparatively disperses into, so light supply apparatus 100 can effectively promote the comfortableness of vision by behind the leaded light post 210.In addition, the boundary line of first end face 310 and first surface 340 to the distance of first surface 340 and the boundary line of second surface 350 is L1, and the boundary line of first surface 340 and second surface 350 to the distance of the boundary line of the second surface 350 and second end face 320 is L2.In order further to promote the light utilization efficiency of light supply apparatus 100, in the present embodiment, can make L1 and L2 meet the following relationship formula:
0<L1/L2≦3。
In the present embodiment, also configurable on second end face 320 have one the 4th reflector element 250, with instead from the light of first end face 310, and then promotes the light utilization efficiency of light supply apparatus 100.In addition, leaded light post 210 can have patterned optical micro-structural 342 on first surface 340.Leaded light post 210 also can have patterned optical micro-structural 352 on second surface 350.Moreover leaded light post 210 also can have patterned optical micro-structural 322 on second end face 320.Patterned optical micro-structural 342,352,322 can make light concentrate or diffusion, and then makes first light beam 222 be transmitted to the external world via exiting surface 330 comparatively equably.In the present embodiment, patterned optical micro-structural 342,352,322 comprises a plurality of optical microstructures, and optical microstructures for example is at leaded light post 210 lip-deep patterning concave points.In the present embodiment, the width L3 of each optical microstructures is for example for being less than or equal to 10 millimeters, and degree of depth L4 is for example for being less than or equal to 10 millimeters.Yet in other embodiments, the patterned optical micro-structural also can be dimpled grain, salient point, burr or the other forms of unsmooth surface texture that is any geometry on leaded light post surface.
In the present embodiment, leaded light post 210 has more 360 and 1 the 6th surface 370 (illustrating as Figure 1B), one the 8th surface.The 8th surface 360 connects first end face 310 and second end face 320, and connects first surface 340 and exiting surface 330, and connects second surface 350 and exiting surface 330.The 6th surface 370 connects first end face 310 and second end face 320, and connects first surface 340 and exiting surface 330, and connects second surface 350 and exiting surface 330.In addition, the 360 and the 6th surface 370, the 8th surface toward each other.Moreover configurable on the 8th surface 360 have the 5th reflector element 260 and a patterned optical micro-structural 362.In addition, also configurable on the 6th surface 370 have the 6th reflector element 270 and a patterned optical micro-structural 372.The 5th reflector element 260, the 6th reflector element 270 and second reflector element 240 can be formed in one or moulding separately.
In the present embodiment, light supply apparatus 100 also comprises an electric connector 110, and it is electrically connected to light source module 200.Particularly, electric connector 110 is to be electrically connected to first light-emitting component 220.Electric connector 110 can be connected to a lamp socket (not illustrating), and the power supply that lamp socket provided can be passed to first light-emitting component 220 via electric connector 110, and it is luminous to order about first light-emitting component 220.In the present embodiment, electric connector 110, first light-emitting component 220 can not be fixed together by any type of fixed mount (illustrating) with leaded light post 210.In addition, in the present embodiment, electric connector 110 can be general fluorescent tube electric connector commonly used.For example, the specification of electric connector 110 for example is GX-10q or GY-10q.Thus, just can directly insert and replace the traditional fluorescent lamp pipe in the prior lamp holder, and not need prior lamp holder is replaced by the novel lamp base that aims at led designs with the light supply apparatus 100 of present embodiment.
It should be noted that the present invention does not limit the quantity that is disposed at the first other light-emitting component 220 of first end face 310 and only is one.In other embodiments, being disposed at the first other light-emitting component of first end face also can have a plurality of.In addition, the present invention does not limit and must dispose first reflector element 230 and patterned optical micro-structural 342 on the first surface 340, and does not limit and must dispose second reflector element 240 and patterned optical micro-structural 352 on the second surface 350.In other embodiments, can not dispose reflector element on first surface and the second surface, also can not have the patterned optical micro-structural, first light beam that first light-emitting component is sent then produces total reflection on first surface and second surface, and by total reflection to exiting surface.
Second embodiment
Fig. 2 is the generalized section of the light supply apparatus of second embodiment of the invention.Please refer to Fig. 2, the light supply apparatus 100a of present embodiment and above-mentioned light supply apparatus 100 (illustrating as Figure 1A) are similar, and both difference is as described below.In light supply apparatus 100a, the relative exiting surface of the first surface 340a of the leaded light post 210a of light source module 200a 330 is parallel, and first surface 340a and the angle theta 1 ' of first end face 310 in leaded light post 210a equal 90 degree.Light supply apparatus 100a has and light supply apparatus 100 similar effects, no longer repeats at this.
The 3rd embodiment
Fig. 3 A is the generalized section of light source module of the light supply apparatus of third embodiment of the invention, and Fig. 3 B illustrates leaded light post among Fig. 3 A with its first end face schematic side view forward.Please refer to Fig. 3 A and Fig. 3 B, the light source module 200b of present embodiment and above-mentioned light source module 200 (illustrating as Figure 1A) are similar, and both difference is as described below.In light source module 200b, leaded light post 210b has a plurality of optical microstructures 312 on the first end face 310b, and first light beam 222 can be by these optical microstructures 312.In the present embodiment, these optical microstructures 312 comprise conical shaped depression 312 ', oval conical indentation 312 " and polygonal conical indentation 312 " '.Polygonal conical indentation 312 " ' for example be N pyramid depression, wherein N is more than or equal to 3.These optical microstructures 312 can effectively reduce part first light beam 222 by the chance of first end face 310b reflection or total reflection, so that first light beam 222 of more ratio can enter among the leaded light post 210b smoothly, and then promote the light utilization efficiency of light supply apparatus.In the present embodiment, the width L3 ' of each optical microstructures 312 is for example for being less than or equal to 10 millimeters, and degree of depth L4 ' is for example for being less than or equal to 10 millimeters.
It should be noted that the present invention does not limit optical microstructures 312 and must comprise conical shaped depression 312 ', oval conical indentation 312 simultaneously " and polygonal conical indentation 312 " '.In other embodiments, optical microstructures also can be comprise above-mentioned various types of depression wherein more than one, perhaps optical microstructures also can be the depression of other shapes, for example polyhedron depression, hemispherical depression, the formed depression of various forms of curved surface ... etc.In addition, in light source module 200b, each optical microstructures 312 is configurations spaced apart.Yet in other embodiments, each optical microstructures also can be to lean on and not compartment of terrain configuration mutually each other.
The 4th embodiment
Fig. 4 A is the generalized section of light source module of the light supply apparatus of fourth embodiment of the invention, and Fig. 4 B illustrates leaded light post among Fig. 4 A with its first end face schematic side view forward.Please refer to Fig. 4 A and Fig. 4 B, the light source module 200c of present embodiment and above-mentioned light source module 200 (illustrating as Figure 1A) are similar, and both difference is as described below.In light source module 200c, leaded light post 210c has a plurality of concentric annular dimpled grain 312c on the first end face 310c, and first light beam 222 can be by these concentric annular dimpled grains 312c.In the present embodiment, the formed surface of these concentric annular dimpled grains 312c for example is the surface of similar Fresnel lens (Fresnel lens), and each concentric annular dimpled grain 312c promptly drops on the surface of a Fresnel region (Fresnel zone).Yet in other embodiments, the formed surface of concentric annular dimpled grain 312c also can be to be other forms of surface.Concentric annular dimpled grain 312c has the effect of similar above-mentioned optical microstructures 312 (illustrating as Fig. 3 A), also can effectively reduce the chance that reflection or total reflection take place on the first end face 310c first light beam 222.In the present embodiment, the width L3 of each concentric annular dimpled grain 312c " for example for being less than or equal to 10 millimeters, and degree of depth L4 " for example for being less than or equal to 10 millimeters.
The 5th embodiment
Fig. 5 is the generalized section of light source module of the light supply apparatus of fifth embodiment of the invention.Please refer to Fig. 5, the light source module 200d of present embodiment and above-mentioned light source module 200 (illustrating as Figure 1A) are similar, and both difference is as described below.In light source module 200d, leaded light post 210d has a ccontaining concave surface 312d on the first end face 310d, with ccontaining first light-emitting component 220.In the present embodiment, ccontaining concave surface 312d for example is a curved surface.The design of ccontaining concave surface 312d can make the light beam 222a with the optical axis A that departs from first light-emitting component 220 than wide-angle also can keep near the ccontaining concave surface 312d of incident vertically as far as possible, therefore can effectively reduce by first light beam 222 and the chance of reflection or total reflection take place, and then effectively promote the light utilization efficiency of light supply apparatus at the first end face 310d.
In the embodiment that other do not illustrate, also can be provided with a plurality of above-mentioned optical microstructures 312 (illustrating) on the ccontaining concave surface 312d, and first light beam can pass through these optical microstructures 312, with the light utilization efficiency of further lifting light supply apparatus as Fig. 3 A.In addition, the present invention's quantity of not limiting the ccontaining concave surface 312d on the first end face 310d has only one.In other embodiments, also can be provided with a plurality of ccontaining concave surfaces on first end face, with ccontaining a plurality of first light-emitting components.
The 6th embodiment
Fig. 6 A is the generalized section of light source module of the light supply apparatus of sixth embodiment of the invention, and Fig. 6 B illustrates leaded light post among Fig. 6 A with its first end face schematic side view forward.Please refer to Fig. 6 A and Fig. 6 B, the light source module 200e of present embodiment and above-mentioned light source module 200d (illustrating as Fig. 5) are similar, and both difference is as described below.In light source module 200e, leaded light post 210e can have a plurality of coaxial ring-type dimpled grain 312e ' on the ccontaining concave surface 312e of the first end face 310e, and first light beam 222 can be by these coaxial ring-type dimpled grain 312e ', with the light utilization efficiency of further lifting light supply apparatus.In the present embodiment, these formed surfaces of coaxial ring-type dimpled grain 312e ' for example are the surface of Nie Feier lens.Yet in other embodiments, these formed surfaces of coaxial ring-type dimpled grain 312e ' also can be the surfaces that is other appropriate formats.
It should be noted that it is curved surface that the present invention does not limit ccontaining concave surface.In other embodiments, it also can be other suitable shapes.Below will illustrate in detail for an embodiment.
The 7th embodiment
Fig. 7 is the generalized section of light source module of the light supply apparatus of seventh embodiment of the invention.Please refer to Fig. 7, the light source module 200f of present embodiment and above-mentioned light source module 200d (illustrating as Fig. 5) are similar, and both difference is as described below.In light source module 200f, the ccontaining concave surface 312f on the first end face 310f of leaded light post 210f comprises a bottom surface 313a and at least one side 313b, and side 313b is connected to bottom surface 313a.In the present embodiment, can be provided with a plurality of above-mentioned optical microstructures 312 on the 313a of bottom surface.Yet in other embodiments, the bottom surface of ccontaining concave surface can be an even surface also, and optical microstructures is not set on it.
The 8th embodiment
Fig. 8 is the generalized section of light source module of the light supply apparatus of eighth embodiment of the invention.Please refer to Fig. 8, the light source module 200g of present embodiment and above-mentioned light source module 200 (illustrating as Figure 1A) are similar, and both difference is as described below.In light source module 200g, leaded light post 210g does not have the patterned optical micro-structural on first surface 340g, second surface 350g and the second end face 320g, the substitute is, leaded light post 210g disposes diffusion layer 342g, 352g and 322g respectively on first surface 340g, second surface 350g and the second end face 320g.Diffusion layer 342g, 352g and 322g also have the effect of light diffusion.
The 9th embodiment
Fig. 9 is the generalized section of light source module of the light supply apparatus of ninth embodiment of the invention.Please refer to Fig. 9, the light source module 200h of present embodiment and above-mentioned light source module 200 (illustrating as Figure 1A) are similar, and both difference is as described below.In light source module 200h, leaded light post 210h has more one the 3rd surface 380, and it is connected between first end face 310 and the exiting surface 330, and relative with first surface 340.The angle theta 3 of the 3rd surface 380 and first end face 310 in leaded light post 210h is greater than 90 degree and less than 180 degree.In the present embodiment, leaded light post 210h can have patterned optical micro-structural 382 on the 3rd surface 380.Patterned optical micro-structural 382 can be similar to above-mentioned patterned optical micro-structural 342.Yet, in other embodiments, also can replace patterned optical micro-structural 382 with diffusion layer.In addition, in the present embodiment, configurable on the 3rd surface 380 have the 3rd reflector element 280.
In light source module 200h, the light beam 222c that relative light beam 222a departs from optical axis A in the opposite direction can produce reflection on the 3rd surface 380, and then is passed to second surface 350 and produces reflection, is transmitted to outside the leaded light post 210h via exiting surface 330 at last.Therefore, light source module 200h can further be apt to the markon and use light beam 222c, and makes light supply apparatus have better light utilization efficiency.
The tenth embodiment
Figure 10 is the generalized section of light source module of the light supply apparatus of tenth embodiment of the invention.Please refer to Figure 10, the light source module 200i of present embodiment and above-mentioned light source module 200 (please refer to Figure 1A) part are similar, and both difference places are as described below.In light source module 200i, leaded light post 210i has more 390 and 1 the 5th surface 410, one the 4th surface.The 4th surface 390 is connected to second surface 350, and relative with exiting surface 330, and exiting surface 330 tilts relatively.Second surface 350 and the 4th surface 390 angle theta 4 in the leaded light post is greater than 180 degree and less than 360 degree.The 5th surface 410 is connected between the 390 and second end face 320i of the 4th surface, and relative with exiting surface 330.The 4th angle theta 5 of the 390 and the 5th surface 410, surface in leaded light post 210i is greater than 0 degree and less than 180 degree.In the present embodiment, the 5th surface 410 relative exiting surfaces 330 tilt, and the angle theta 6 of the 5th the surface 410 and second end face 320i in leaded light post 210i is greater than 90 degree and less than 180 degree.Yet in the embodiment that other do not illustrate, also exiting surface 330 is parallel relatively on the 5th surface 410, and the angle theta 6 of the 5th the surface 410 and second end face 320i in leaded light post 210i equals 90 degree.
In the present embodiment, the 4th surface also can be respectively equipped with patterned optical micro-structural 392 and 412 on the 390 and the 5th surface 410, and can be respectively equipped with the 7th reflector element 290 and the 8th reflector element 520.Yet, in other embodiments, also can not dispose patterned optical micro-structural and reflector element on the 4th surface and the 5th surface, and the 4th surface and the 5th surface can be that mode with total reflection is with second beam reflection.
The 11 embodiment
Figure 11 is the generalized section of light source module of the light supply apparatus of eleventh embodiment of the invention.Please refer to Figure 11, the light source module 200j of present embodiment and above-mentioned light source module 200i (illustrating as Figure 10) are similar, and both difference is as described below.In light source module 200j, leaded light post 210j more comprises one the 7th surface 420, and it is connected between the second end face 320i and the exiting surface 330, and relative with the 5th surface 410.The angle theta 7 of the 7th the surface 420 and second end face 320i in leaded light post 210j is greater than 90 degree and less than 180 degree.In the present embodiment, the 7th surface the 420 and the 4th surperficial 380 symmetries.But in other embodiments, the 7th surface 420 also can be asymmetric with the 4th surface 380.In addition, in the present embodiment, can be provided with patterned optical micro-structural 422 and the 9th reflector element 530 on the 7th surface 420.
The 12 embodiment
Please refer to Figure 1B, the present invention does not limit second surface 350, the 8th surface 360, the 6th surface 370 and exiting surface 330 and is the plane.In other embodiments, second surface, the 8th surface, the 6th surface also can be to be all curved surface with exiting surface, perhaps also can be that part is curved surface, and part is the plane.Below will illustrate in detail for an embodiment.
Figure 12 is the generalized section of light source module of the light supply apparatus of twelveth embodiment of the invention.Please refer to Figure 12, the light source module 200k of present embodiment and above-mentioned light source module 200 (illustrating as Figure 1B) are similar, and both difference is as described below.In light source module 200k, the second surface 350k of leaded light post 210k, the 8th surperficial 360k and the 6th surperficial 370k are all curved surface, and exiting surface 330 is the plane.In addition, the shape of the second reflector element 240k, the 5th reflector element 260k and the 6th reflector element 270k can be respectively along with the shape bending of second surface 350k, the 8th surperficial 360k and the 6th surperficial 370k.Moreover light source module 200k is identical with Figure 1A person of illustrating of institute shape at the section on the longitudinally of leaded light post 210k.
The 13 embodiment
Figure 13 is the generalized section of the light supply apparatus of thriteenth embodiment of the invention.Please refer to Figure 1A and Figure 13, the light supply apparatus 100l and the above-mentioned light supply apparatus 100 of present embodiment are similar, and both difference is as described below.In light supply apparatus 100, the normal vector N1 of second end face 320 and the normal vector N2 of exiting surface 330 can be orthogonal.Yet in the leaded light post 210l of the light source module 200l of light supply apparatus 100l, the angle theta 8 of the normal vector N1 ' of the second end face 320l and the normal vector N2 of exiting surface 330 is greater than 90 degree and less than 180 degree.
The 14 embodiment
Figure 14 A is the generalized section of light source module of the light supply apparatus of fourteenth embodiment of the invention, and Figure 14 B is the schematic perspective view of the leaded light post among Figure 14 A.Please refer to Figure 14 A and Figure 14 B, the light source module 200m of present embodiment and above-mentioned light source module 200e (please refer to Fig. 6 A) are similar, and both difference is as described below.In light source module 200m, leaded light post 210m has an annular surface 340m to replace the first surface 340 of the leaded light post 210e among Fig. 6 A.Annular surface 340m is connected to the first end face 310m, and exiting surface 330 is connected between the annular surface 340m and the second end face 320m, and second surface 350m is connected between the annular surface 340m and the second end face 320m.In the present embodiment, the section of having is poor between annular surface 340m and the second surface 350m, and the section of having is poor between annular surface 340m and the exiting surface 330.The effect of annular surface 340m is similar to first surface 340 and the 3rd surface 380 of Fig. 9, and annular surface 340m can be with first light beam, 222 reflections with the optical axis A that departs from first light-emitting component 220 than wide-angle, and it can be utilized.In other embodiments, also can be that the section of having is poor between the part of annular surface and the second surface, and another part section of not having be poor.In addition, in other embodiments, also can be that the section of having is poor between the part of annular surface and the exiting surface, and another part section of not having be poor.Moreover in the present embodiment, annular surface 340m goes up the configurable first reflector element 230m that has, to reflect first light beam 222.Yet, in other embodiments, also can not dispose reflector element on the annular surface, and annular surface is that mode with total reflection is with first beam reflection.
In the present embodiment, second surface 350m is parallel to exiting surface 330.Yet in other embodiments, second surface is exiting surface inclination relatively also.In addition, in the present embodiment, leaded light post 210m has a patterned optical micro-structural 352m on second surface 350m.Particularly, patterned optical micro-structural 352m comprises a plurality of dimpled grain 353m.Leaded light post 210m is extended toward the second end face 320m by the first end face 310m along a first direction D1.Each dimpled grain 353m extends along a second direction D2 vertical with first direction D1, and these dimpled grains 353m arranges along first direction D1.In the present embodiment, each dimpled grain 353m can be formed by a low dip face 355m and a little vertical plane 357m, and wherein the relative exiting surface 330 of low dip face 355m tilts, and little vertical plane 357m is then perpendicular to exiting surface 330.In the present embodiment, the width L3 of each dimpled grain 353m " ' for example for being less than or equal to 10 millimeters, and degree of depth L4 " ' for example for being less than or equal to 10 millimeters.
In the present embodiment, the first end face 310m has a ccontaining concave surface 312m, with ccontaining first light-emitting component 220.Particularly, ccontaining concave surface 312m can be made of a plurality of coaxial ring-type sub-surface 313m, and between the adjacent two sub-surface 313m angle is arranged.In other embodiments, ccontaining concave surface also can be sphere, aspheric surface, other curved surfaces, polyhedral concave surface or other forms of concave surface.
In the present embodiment, annular surface 340m is circular.Yet in other embodiments, annular surface also can be polygon ring-type or other forms of ring-type.In addition, in the present embodiment, annular surface 340m is a smooth surface.Yet in other embodiments, annular surface can be the surface of similar Nie Feier lens also, that is comprises the surface of the luxuriant and rich with fragrance ear field of a plurality of alunites.Perhaps, above-mentioned patterned optical micro-structural also can be arranged on the annular surface.
In the present embodiment, the normal vector N1 of the second end face 320m " with the angle theta 8 ' of the normal vector N2 of exiting surface 330 greater than 90 degree and less than 180 degree.When leaded light post 210m is when making with injection mo(u)lding, for the ease of moulding, leaded light post 210m can have more a joint face 430m, is connected between the second end face 320m and the exiting surface 330.In addition, in the present embodiment, the second end face 320m is a plane.Yet, in other embodiments, above-mentioned patterned optical micro-structural can be arranged also on second end face, perhaps second end face also can be a curved surface.
The 15 embodiment
Figure 15 is the generalized section of the light supply apparatus of fifteenth embodiment of the invention.Please refer to Figure 15, the light supply apparatus 100n of present embodiment and above-mentioned light supply apparatus 100l (illustrating as Figure 13) are similar, and both difference is as described below.In light supply apparatus 100n, the leaded light post 210n of light source module 200n does not have the first surface 340 among Figure 13, and second surface 350 is connected directly to first end face 310.
The 16 embodiment
Figure 16 is the schematic perspective view of the leaded light post in the light supply apparatus of sixteenth embodiment of the invention.Please refer to Figure 16, the leaded light post 210o of present embodiment and above-mentioned leaded light post 210m (illustrating as Figure 14 A) are similar, and both difference is as described below.In leaded light post 210o, the second end face 320o comprises a plurality of sub-end face 324a, 324b.In the present embodiment, each sub-end face 324a, 324b are the plane, and adjacent two sub-end face 324a, the angle of 324b in leaded light post 210o are greater than 0 degree and less than 180 degree.In addition, joint face 430o is connected between sub-end face 324a and the exiting surface 330, and is connected between sub-end face 324b and the exiting surface 330.Yet in other embodiments, the sub-end face of second end face also can be a curved surface.
The present invention does not limit a light supply apparatus only can have a light source module.In other embodiments, a light supply apparatus also can have a plurality of light source modules.Below with explanation in detail for two example two.
The 17 embodiment
Figure 17 is exiting surface forward the front elevational schematic of the light supply apparatus of seventeenth embodiment of the invention with its leaded light post.Please refer to Figure 17, the light supply apparatus 100p of present embodiment comprises a plurality of above-mentioned light source modules 200.The leaded light post 210 of each light source module 200 extends along a first direction D1, and these leaded light posts 210 of these light source modules 200 are arranged along a second direction D2 vertical with first direction D1.In the present embodiment, each light source module 200 is electrically connected to electric connector 110.In addition, each light source module 200 can not be fixed as one by fixed mount (illustrating) with electric connector 110.
The 18 embodiment
Figure 18 is exiting surface forward the front elevational schematic of the light supply apparatus of eighteenth embodiment of the invention with its leaded light post.Please refer to Figure 18, the light supply apparatus 100q of present embodiment and above-mentioned light supply apparatus 100p (illustrating as Figure 17) are similar, and both difference is as described below.In light supply apparatus 100q, these leaded light posts 210 of these light source modules 200 are to arrange along first direction D1 (being the bearing of trend of each leaded light post 210).
It should be noted that the present invention does not limit the arrangement mode of each light source module.In other embodiments, each light source module also can be arranged with the arrangement mode that is different from above-mentioned dual mode.In addition, the light source module 200 among light supply apparatus 100p and the light supply apparatus 100q also can replace with the light source module of above-mentioned other embodiment, to form multiple different light supply apparatus.
In sum, in the light supply apparatus of one embodiment of the invention, the light that light-emitting component sent can be converted to the strip light source that brightness comparatively disperses through the leaded light post, and then increases the comfortableness of vision.In addition, with the light of the optical axis that departs from light-emitting component than wide-angle can by first surface or annular surface total reflection be configured in first surface or annular surface on the reflector element reflection, still can be effectively utilized so depart from the light of optical axis, and then promoted the light utilization efficiency of light supply apparatus.In the light supply apparatus of one embodiment of the invention, configurable on first end face of leaded light post have optical microstructures, ring-type dimpled grain or a ccontaining concave surface, promoting the ratio that light that light-emitting component was sent enters the leaded light post, and then promotes the light utilization efficiency of light supply apparatus.
Though disclose the present invention in conjunction with above a plurality of embodiment; yet it is not in order to limit the present invention; be familiar with this operator in the technical field under any; without departing from the spirit and scope of the present invention; can do a little change and retouching, so protection scope of the present invention should be with appended being as the criterion that claim was defined.
Claims (25)
1. light supply apparatus is characterized in that it comprises:
At least one light source module, described light source module comprises:
The leaded light post has:
First end face;
Second end face is relative with described first end face;
Exiting surface is connected between described first end face and described second end face;
First surface is connected to described first end face, and relative with described exiting surface, and described relatively exiting surface inclination or parallel, and wherein said first surface and the angle of described first end face in described leaded light post are more than or equal to 90 degree and less than 180 degree; And
Second surface is connected between described first surface and described second end face, and relative with described exiting surface, and the inclination of described relatively exiting surface, and wherein said first surface and the described second surface angle in described leaded light post is greater than 0 degree and less than 180 degree; And
At least one first light-emitting component is disposed at by described first end face, and is suitable for sending first light beam, and wherein said first light beam can enter described leaded light post by described first end face, and is transmitted to outside the described leaded light post via described exiting surface.
2. light supply apparatus as claimed in claim 1 is characterized in that, described leaded light post has more a plurality of optical microstructures, be positioned at described first end face, and described first light beam can pass through described optical microstructures.
3. light supply apparatus as claimed in claim 1 is characterized in that, described leaded light post has more a plurality of concentric annular dimpled grains, be positioned at described first end face, and described first light beam can be by described concentric annular dimpled grain.
4. light supply apparatus as claimed in claim 1 is characterized in that, described leaded light post has more at least one ccontaining concave surface, is positioned at described first end face, with ccontaining described first light-emitting component.
5. light supply apparatus as claimed in claim 4 is characterized in that, described leaded light post has more a plurality of optical microstructures, be positioned at described ccontaining concave surface, and described first light beam can pass through described optical microstructures.
6. light supply apparatus as claimed in claim 4 is characterized in that, described leaded light post has more a plurality of coaxial ring-type dimpled grains, be positioned at described ccontaining concave surface, and described first light beam can be by described coaxial ring-type dimpled grain.
7. light supply apparatus as claimed in claim 1 is characterized in that, described leaded light post has more the first patterned optical micro-structural, is positioned at described first surface and/or described second surface.
8. light supply apparatus as claimed in claim 1 is characterized in that described light source module more comprises first diffusion layer, is disposed on described first surface and/or the described second surface.
9. light supply apparatus as claimed in claim 1 is characterized in that described light source module more comprises first reflector element, is disposed on the described first surface.
10. light supply apparatus as claimed in claim 1 is characterized in that described light source module more comprises second reflector element, is disposed on the described second surface.
11. light supply apparatus as claimed in claim 1, it is characterized in that, the leaded light post more has more the 3rd surface, be connected between described first end face and the described exiting surface, and relative with described first surface, described the 3rd surface is spent greater than 90 degree and less than 180 with the angle of described first end face in described leaded light post.
12. light supply apparatus as claimed in claim 11 is characterized in that, described leaded light post has more the second patterned optical micro-structural, is positioned at described the 3rd surface.
13. light supply apparatus as claimed in claim 11 is characterized in that, described light source module more comprises second diffusion layer, is disposed on described the 3rd surface.
14. light supply apparatus as claimed in claim 11 is characterized in that, described light source module more comprises the 3rd reflector element, is disposed on described the 3rd surface.
15. light supply apparatus as claimed in claim 1 is characterized in that, described leaded light post has more:
The 4th surface is connected to described second surface, and relative with described exiting surface, and the inclination of described relatively exiting surface, and wherein said second surface and described the 4th surface angle in described leaded light post is greater than 180 degree and less than 360 degree; And
The 5th surface, be connected between described the 4th surface and described second end face, and it is relative with described exiting surface, and described relatively exiting surface tilts or is parallel, wherein said the 4th surface is spent greater than 0 degree and less than 180 with the angle of described the 5th surface in described leaded light post, described the 5th the surface with the angle of described second end face in described leaded light post more than or equal to 90 the degree and less than 180 the degree, and
Described light source module more comprises at least one second light-emitting component, be disposed at by described second end face, and being suitable for sending second light beam, wherein said second light beam can enter described leaded light post by described second end face, and is transmitted to outside the described leaded light post via described exiting surface.
16. light supply apparatus as claimed in claim 1 is characterized in that, described light source module more comprises the 4th reflector element, is disposed on described second end face.
17. light supply apparatus as claimed in claim 1 is characterized in that, also comprises an electric connector, is electrically connected to described light source module.
18. light supply apparatus as claimed in claim 1, it is characterized in that, described at least one light source module is a plurality of light source modules, the described leaded light post of each described light source module extends along first direction, and the described leaded light post of described light source module is arranged along the second direction vertical with described first direction.
19. light supply apparatus as claimed in claim 1, it is characterized in that, described at least one light source module is a plurality of light source modules, and the described leaded light post of each described light source module extends along first direction, and the described leaded light post of described light source module is arranged along described first direction.
20. light supply apparatus as claimed in claim 1 is characterized in that, the angle of the normal vector of described second end face and the normal vector of described exiting surface is more than or equal to 90 degree and less than 180 degree.
21. a light supply apparatus is characterized in that it comprises:
At least one light source module, described light source module comprises:
The leaded light post has:
First end face;
Second end face is relative with described first end face;
Annular surface is connected to described first end face;
Exiting surface is connected between described annular surface and described second end face, and is wherein poor to the section of having between described annular surface of small part and the described exiting surface; And
Second surface is connected between described annular surface and described second end face, and relative with described exiting surface, and is wherein poor to the section of having between described annular surface of small part and the described second surface; And
At least one first light-emitting component is disposed at by described first end face, and is suitable for sending first light beam, and wherein said first light beam can enter described leaded light post by described first end face, and is transmitted to outside the described leaded light post via described exiting surface.
22. light supply apparatus as claimed in claim 21 is characterized in that, described leaded light post has the patterned optical micro-structural, is positioned on the described second surface.
23. light supply apparatus as claimed in claim 22, it is characterized in that, described leaded light post is to be extended toward described second end face by described first end face along first direction, and described patterned optical micro-structural comprises a plurality of dimpled grains, each dimpled grain extends along the second direction vertical with described first direction, and described dimpled grain is arranged along described first direction.
24. light supply apparatus as claimed in claim 21 is characterized in that, described second end face comprises a plurality of sub-end faces, and each sub-end face is curved surface or plane, and the angle of adjacent two sub-end faces in described leaded light post is greater than 0 degree and less than 180 degree.
25. light supply apparatus as claimed in claim 21 is characterized in that, described leaded light post has at least one ccontaining concave surface, is positioned at described first end face, with ccontaining described first light-emitting component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810085351A CN101532641A (en) | 2008-03-14 | 2008-03-14 | Light source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810085351A CN101532641A (en) | 2008-03-14 | 2008-03-14 | Light source device |
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|---|---|
| CN101532641A true CN101532641A (en) | 2009-09-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734655A (en) * | 2011-04-15 | 2012-10-17 | 东莞万士达液晶显示器有限公司 | Light source module |
| CN103712095A (en) * | 2012-10-02 | 2014-04-09 | 胜华科技股份有限公司 | lighting device |
-
2008
- 2008-03-14 CN CN200810085351A patent/CN101532641A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734655A (en) * | 2011-04-15 | 2012-10-17 | 东莞万士达液晶显示器有限公司 | Light source module |
| CN103712095A (en) * | 2012-10-02 | 2014-04-09 | 胜华科技股份有限公司 | lighting device |
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Open date: 20090916 |