CN101303113A - Light emitting device and light emitting object using the same - Google Patents
Light emitting device and light emitting object using the same Download PDFInfo
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- CN101303113A CN101303113A CNA2008100889462A CN200810088946A CN101303113A CN 101303113 A CN101303113 A CN 101303113A CN A2008100889462 A CNA2008100889462 A CN A2008100889462A CN 200810088946 A CN200810088946 A CN 200810088946A CN 101303113 A CN101303113 A CN 101303113A
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- light
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- transparent body
- emitting device
- lampshade
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/043—Refractors for light sources of lens shape the lens having cylindrical faces, e.g. rod lenses, toric lenses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
- F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a light emitting device and a light emitting object using the light emitting device. The entire part of the light emitting device can emit light uniformly with sufficient brightness according to the purpose of use, in which a rise in temperature is suppressed and electric power consumption is reduced, and that can easily cope with a change in the entire shape and size. The light emitting device (10) is constructed from a bar-like transparent body (30) having a substantially circular cross-section, a light cover (12) installed on the outer periphery of the transparent body (30) and holding the outer periphery of the transparent body (30), and LEDs (22) arranged in the light cover (12) and introducing light into the transparent body (30). The LEDs (22) are disposed so as to keep a predetermined distance (I) from the surface of the transparent body (30). When the LEDs (22) emit light, the light enters into the transparent body (30) from many directions because of an airspace between the LEDs (22) and the transparent body (30), refracted and diffused by a lens effect of the transparent body (30), and emitted to the outside from an opening (14) of the light cover (12). When seen from the outside, the entire transparent body (30) emits light uniformly and brightly.
Description
The application is to be February 24, application number in 2006 the dividing an application for the application of " light-emitting device and utilize the luminous object of this light-emitting device " that be 200680006099.X, denomination of invention the applying date.
Technical field
The present invention relates to light-emitting device and utilize the luminous object of this light-emitting device, more particularly, relate to the brightness of the luminous object that directs light into the light-emitting device in the transparent substance and utilize this light-emitting device and the improvement of uniformity of luminance.
Background technology
The ligthing paraphernalias such as fluorescent lamp that use in family, office, hospital, other facilities etc. are provided with reflecting member in the behind or the side of light source.From light source (fluorescent lamp, incandescent lamp) in case light impinge upon on the above-mentioned reflecting member then by to desired illumination direction reflection, thereby provide have the effect that improves ligthing paraphernalia brightness, simultaneously from the soft light of the roomy area scattering of reflecting member.In the past, as ligthing paraphernalia reflecting members such as fluorescent lamps, can use the coating that contains Chinese whites such as titanium oxide, but have such problem: be radiated at the S. E. A. higher (about 14～17%) of the luminous ray on these reflecting members, the corresponding reduction of illumination efficiency.In addition, because of using reflecting member to make installation constitution etc. also complicated.On the other hand, in recent years, be conceived to consume electric power and illumination efficiency, also proposed many ligthing paraphernalias that LED (light emitting diode) are used as light source etc.For example, a kind of lighting device that can shine shadow surface more equably by the light emitting diode of negligible amounts is disclosed in following patent documentation 1.
Patent documentation 1: TOHKEMY 2003-77312 communique
Summary of the invention
But, usually, compare with incandescent lamp bulb etc., use the luminaire of LED to have the tendency of deficiency in light quantity, sometimes the enough brightness that can't obtain to want because of the difference that place, field of employment are set of ligthing paraphernalia.Particularly, the ligthing paraphernalia for using single LED is shaped as at utensil under the situation of linearity, and usually, bright near the part of light source, dark more apart from light source part far away, it is comparatively strong that the brightness that whole utensil throws light on presents uneven tendency.Therefore, being in the above-mentioned patent documentation 1, also can be to dispose a plurality of light emitting diodes and have the structure of reflection part (reflecting member) along a direction.
But, state in the use under the situation of the common bullet cut LED shown in the patent documentation 1, when desiring to produce light belt along its length, must dispose each LED in no compartment of terrain, and keep irradiation distance (for example, about about 300mm) to a certain degree.This is because above-mentioned LED is the cause of luminous point all the time.Thereby, when desire is made light belt with above-mentioned technology with enough brightness, also needing the many LED of quantity, therefore can't realize reducing power consumption also having problems aspect size and the cost.For example there is problem as described above too in the light source of other shapes such as ring-type.In addition, when continuing to use many LED,, also can't avoid temperature to a certain degree to rise though the degree that its temperature rises is lower than the degree of the temperature rising of incandescent lamp or fluorescent lamp.
The present invention is conceived to above this point and makes, the shiner that its purpose is to provide such light-emitting device and uses this light-emitting device: can make light-emitting device integral body luminous equably with the enough brightness of wanting, when seeking to suppress the temperature rising and reducing power consumption, also can easily tackle the change of global shape and overall dimensions.
In order to achieve the above object, light-emitting device of the present invention is characterised in that: this light-emitting device comprises the transparent body, at least one light source and cap assembly; The above-mentioned transparent body has light transmission, and has the curved face part of cross section for circular arc roughly or circular; Above-mentioned light source light shines above-mentioned curved face part across the above-mentioned transparent body and from the outside, and with the configuration outwardly near the above-mentioned transparent body of the state be not close to the surface of the above-mentioned transparent body or the mode that keeps predetermined distance with it; Above-mentioned cap assembly is installed in the outer surface of the above-mentioned transparent body, and in the inboard above-mentioned light source is set.
The light-emitting device of another invention is characterised in that: this light-emitting device comprises the transparent body, at least one light source and tube portion; The above-mentioned transparent body has light transmission, and for roughly spherical; Above-mentioned light source disposes with the state be not close to the outer peripheral face of this transparent body or the mode that the keeps predetermined distance outer peripheral face ground near this transparent body, light shines on the above-mentioned transparent body from the outside; Above-mentioned tube portion is located at the outer surface of the above-mentioned transparent body, is used to hold above-mentioned light source.
The light-emitting device of another invention is characterised in that: this light-emitting device comprises the transparent body, at least one light source and tube portion; The above-mentioned transparent body has light transmission, and is hemispherical roughly; Above-mentioned light source keeps the planar portions ground configuration of the mode of predetermined distance near this transparent body with the planar portions with this transparent body, light shine on the above-mentioned transparent body from the outside; Above-mentioned tube portion is located at the edge portion of the planar portions of the above-mentioned transparent body, is used to hold above-mentioned light source.
Luminous object of the present invention is characterised in that and has utilized each described light-emitting device in the technical scheme 1～23.Above-mentioned and other purpose of the present invention, feature, advantage can be understood by following detailed description and accompanying drawing.
Light-emitting device of the present invention directs light into from light source to have light transmission and has the transparent body of cross section for the curved face part of circular arc roughly or circular the lens effect that has utilized above-mentioned curved face part to produce.Therefore, can make the whole transparent body luminous equably, also can easily tackle the change of shape, size simultaneously with the enough brightness of wanting.In addition, has such effect: by LED is realized reducing power consumption as above-mentioned light source, and can dispel the heat as required and suppress temperature and rise.
Description of drawings
Fig. 1 is the figure of expression embodiments of the invention 1, is the stereogram of its outward appearance of expression (A), (B) is exploded perspective view, (C) is the #1-#1 cutaway view of above-mentioned (A).
Fig. 2 is the circuit diagram of the foregoing description 1.
Fig. 3 is the figure of expression embodiments of the invention 2, (A) is main cutaway view, (B) is the main cutaway view of its modified example, (C) is the stereogram of its another modified example of expression.
Fig. 4 is the figure of expression embodiments of the invention 3, is the vertical view of its outward appearance of expression (A), (B) is the #4-#4 cutaway view of above-mentioned (A).
Fig. 5 is the stereogram of the structure of expression when the foregoing description 3 is pulled down the transparent body.
Fig. 6 is the stereogram of expression embodiments of the invention 4.
Fig. 7 is the figure of expression embodiments of the invention 5, (A) is exploded perspective view, (B) is the #7-#7 cutaway view of above-mentioned (A), (C) is the schematic diagram of the range of exposures of expression light.
Fig. 8 is the cutaway view and the schematic diagram of an example of the range of exposures of the diameter of the transparent body of expression the foregoing description 5 and light.
Fig. 9 is the figure of expression embodiments of the invention 6, (A) is main cutaway view, (B) is exploded perspective view, (C) is circuit diagram, (D) is the main cutaway view of its modified example of expression.
Figure 10 is the figure of expression embodiments of the invention 7, (A) is main cutaway view, (B) is exploded perspective view, (C) is the main cutaway view of its modified example of expression.
Figure 11 is the figure of expression embodiments of the invention 8, (A) be the stereogram of its outward appearance of expression, (B) be the #11A-#11A cutaway view of above-mentioned (A), (C) being expression blocks above-mentioned (B) and the vertical view of configured light sources when the direction of arrow is seen along the #11B-#11B line, (D) being the circuit diagram of present embodiment, (E) is the stereogram of the modified example of expression present embodiment.
Figure 12 is the main cutaway view of expression embodiments of the invention 9 and modified example thereof.
Figure 13 is the figure of expression embodiments of the invention 10, and (A) reaching (B) is main cutaway view, (C) is the stereogram of the expression transparent body, (D) is the stereoscopic figure of its modified example of expression.
Figure 14 is the figure of expression embodiments of the invention 11, (A) is its stereoscopic figure, (B) is its main cutaway view.
Figure 15 is the figure of expression embodiments of the invention 12, is the stereogram of its outward appearance of expression (A), (B) is the #15-#15 cutaway view of above-mentioned (A).
Description of reference numerals
10: light-emitting device
11: end cover
12: lampshade
14: the opening portion
16: the bottom surface
18: circuit board
20A, 20B: electrode pattern
22:LED (light emitting diode)
24,26: lead
30: the transparent body
32: power supply
34: switch
The 36:LED plate
37: circuit board
38：LED
39A, 39B: electrode pattern
40,40A, 40B: light-emitting device
42: the transparent body
44: introduction part
50: lampshade
52: the bottom surface
54: edge
56: circuit board
60：LED
62: conducting strip
64: fin
66: scattering part
70: light-emitting device
72: fixed head
74: lampshade
76: the bottom surface
77: the accommodation section
78: the transparent body
80A、80B：LED
82A, 82B: illuminating part
84A, 84B: mark
86,88: lead
89: conducting strip
90: light-emitting device
92: lampshade
94A: bottom surface
94B: side
96: the transparent body
98,100: lid (cap)
102A、102B：LED
104A, 104B: illuminating part
106A, 106B: mark
110,112: lead
150: light-emitting device
152: lampshade
153,154: the side
156: the bottom surface
158: the opening portion
160,162: the transparent body
164,166: range of exposures
200,200A: light-emitting device
202: the transparent body
203: scattering part
204A, 204B: inclined-plane
206: the bottom surface
208: lampshade
210A, 210B: inclined-plane
212: groove
214: backlight module (light bar)
216: circuit board
218A, 218B: electrode pattern
220：LED
222,224: lead
226: switch
228: power supply
230,230A: light-emitting device
232: the transparent body
234: scattering part
236: the incident section
240: lampshade
242A, 242B: curved surface
244: groove
300: light-emitting device
312: the transparent body
314: tube portion
316: introduction part
318: joint
320: circuit board
322A, 322B: electrode pattern
324,326:LED (light emitting diode)
324A, 326A: illuminating part
324B, 326B: mark
334,336,342,344: lead
338: power supply
339: switch
340: potentiometer (resistance)
346: scattering part
350: light-emitting device
352,352A: the transparent body
354: tube portion
356: the accommodation section
358: introduction part
360: circuit board
362：LED
364: illuminating part
366,368,379: lead
370: joint
372: lead division
374: switch
376: power supply
380: solar panel
384,386: electrode layer
388,390,394: lead
392: battery
396: scattering part
400: light-emitting device
402: the transparent body
404: pit
406: the inclined-plane
408: tube portion
410: the lamp umbrella
420: joint
450: light-emitting device
452: the transparent body
454: planar portions
456: tube portion
460: supporting part
500: baton
502: handle
504: main body
506: the 1 illuminating parts
510: tube
512: the transparent body
514: scattering part
516: transparency window
518：LED
520: base portion
522,524,546,548,550: lead
526: switch
528: battery
530: the 2 illuminating parts
532: the transparent body
534: tube portion
536: the accommodation section
538: introduction part
540: connector
542：LED
544: illuminating part
The specific embodiment
The present invention can have many embodiments, and the embodiment in right quantity this illustrate at length describes.
At first, with reference to Fig. 1 and Fig. 2 embodiments of the invention 1 are described.Fig. 1 (A) is the stereogram of the outward appearance of expression present embodiment, (B) is its exploded perspective view, (C) is the #1-#1 cutaway view of above-mentioned (A).Fig. 2 is the circuit diagram of present embodiment.Present embodiment is the embodiment that light-emitting device of the present invention is applied to the used linearity ligthing paraphernalia of various uses.The structure of light-emitting device 10 is: accommodating as the LED22 of light source and the cross section that disposes near this LED22 ground in the lampshade 12 of cross section for コ font roughly is the bar-shaped transparent body 30 of circular.As required, be provided with end cover 11 at the two ends of the above-mentioned transparent body 30.As Fig. 1 (B) and (C), the front end of the opening portion 14 of above-mentioned lampshade 12 is the roughly shape of コ font of more and more narrow cross section, and above-mentioned lampshade 12 is formed by a little material (for example, aluminium sheet, plastic plate etc.) that opening portion 14 can be broadened laterally.
Above-mentioned LED22 is to be configured with a plurality of across the mode on electrode pattern 20A, 20B, above-mentioned electrode pattern 20A, 20B and shape are formed on this circuit board 18 abreast with the roughly the same flexible electric circuit board 18 of bottom surface 16 shapes of above-mentioned lampshade 12, and lead 24,26 is connected with the end of above-mentioned electrode pattern 20A, 20B respectively.Above-mentioned electrode pattern 20A, 20B have for example used copper, and are pre-printed on foregoing circuit plate 18.The quantity that is located at the LED22 on such electrode pattern 20A, the 20B is arbitrarily, but has equally spaced disposed 10 LED22 in the present embodiment.In addition, the above-mentioned transparent body 30 forms the same length of its length and above-mentioned lampshade 12 or shorter slightly than it, and the diameter of the transparent body 30 is set at the width of the bottom surface 16 of lampshade 12 roughly the same.The above-mentioned transparent body 30 for example can use the transparent clava of the light transmission that is made of acrylic resin.In addition, the diameter of the above-mentioned transparent body 30 for example is about 5mm～20mm.
For above each one, at first, LED22 is configured to connect not shown terminal and electrode pattern 20A and the 20B of this LED22 across the electrode pattern 20A, the 20B that parallel that are formed on the circuit board 18.Then, with proper method lead 24,26 is connected to the end of electrode pattern 20A, 20B.Then, the above-mentioned circuit board 18 that is provided with LED 22 is like that sticked on the bottom surface 16 of lampshade 12, the side makes 14 embeddings from the opening portion of the above-mentioned transparent body 30 from it again, makes it the surface near above-mentioned LED22, and vacate predetermined distance I between the surface of this transparent body 30 and LED22.Above-mentioned interval I for example can be made as about 1.5mm～2.0mm.At this moment, the diameter of the transparent body 30 is set greatlyyer than the width of opening portion 14, therefore can widen opening portion 14.So the power of replying to the inside by opening portion 14 is fixed on the transparent body 30 in the lampshade 12.
Shown in the circuit diagram of Fig. 2 (A), a Square wire 24 that is being connected in the lead with LED22 is connected with square end of the power supply 32 that is located at lampshade 12 outsides, and the lead that is connected with the opposing party's terminal of power supply 32 is connected on the opposing party's lead 26 that is being connected with above-mentioned LED22 via switch 34.That is, formed power supply 32, can switch turning on light and turning off the light of LED22 by the on/off of switching above-mentioned switch 34 via switch 34 and 10 structures that LED22 is connected in parallel.Perhaps, also above-mentioned electrode pattern 20A, 20B two ends separately can be linked together, form the loop of electrode pattern 20A and 20B, and LED22, power supply 32 and switch 34 are set between them.Such state for example can be represented with the circuit diagram shown in Fig. 2 (B).In addition, power supply 32 and the switch 34 that is in the both end sides of LED22 in parallel in Fig. 2 (B) is identical member.
And, not only to connect a LED22, shown in Fig. 2 (C), also can a plurality of led boards 36 in parallel, this led board 36 is made of a plurality of (being 5 in the illustrated embodiment) LED38 that disposes in the mode across electrode pattern 39A on circuit board 37 and 39B.Perhaps shown in Fig. 2 (D), prepare a plurality of led boards 36 that dispose a plurality of LED38 in mode side by side across electrode pattern 39A on the circuit board 37 and 39B.And, also the opposing party's electrode pattern (for example, electrode pattern 39A) of side's electrode pattern (for example, electrode pattern 39B) of this led board 36 and adjacent led board 36 can be linked together, and a plurality of led boards 36 that are connected in series.In addition, at above-mentioned Fig. 2 (C) and under the situation of the example (D), such effect is arranged all: bad even any LED38 in the led board 36 turns on light, owing to remaining LED38 continues to turn on light, so deficiency in light quantity is not obvious.And the example shown in the image pattern 2 (E) is such, also can alternately cut off the electrode pattern 39A and the 39B of above-mentioned led board 36 on each LED38, and a plurality of LED38 that on a led board 36, are connected in series.Certainly, shown in the dotted line among the figure, also can in parallel such led board 36.
The effect of present embodiment then, is described.As shown in Figure 1, the opening portion 14 of light-emitting device 10 also can be arranged on the optional position towards the irradiation side.Perhaps, also can not be fixed on particular place and be portable.Above-mentioned switch 34 is connected, and from power supply 32 to being located at lampshade 12 in the LED22 power supply and switch on, LED22 is turned on light, light is shone towards the transparent body 30.The light that comes from LED22 irradiation is by injecting in the above-mentioned transparent body 30 between the air layer between itself and the transparent body 30 from a plurality of directions, and utilize the cross section to make the anaclasis that comes from the LED22 irradiation and disperse for the lens effect of the transparent body 30 of circular, and make its from the opening portion 14 of lampshade 12 towards external irradiation.In addition, the range of exposures of light is by the shape decision of above-mentioned opening portion 14.When the light-emitting device of seeing from the outside under this state 10, homogeneous and bright ground is luminous along its length can to see the transparent body 30, and forms light belt.
Like this, adopt embodiment 1, have following effect.
(1) in the inboard of the lampshade 12 that is being installed on the long transparent body 30 outer surfaces, the mode with the predetermined distance I that keep with the above-mentioned transparent body 30 surfaces disposes a plurality of LED22 as light source along its length, from this LED22 towards the above-mentioned transparent body 30 lead-in lights.Therefore, utilize the air layer between the transparent body 30 and LED22 and the lens effect of the above-mentioned transparent body 30, can make the whole transparent body 30 luminous equably along its length with the enough brightness of wanting.
(2) because LED22 is used as light source, therefore when keeping higher illumination efficiency, reduce power consumption, can seek to reduce operating cost.In addition, compare, can suppress temperature and rise with the situation of using incandescent lamp or fluorescent lamp.
(3) owing to be provided with switch 34, therefore when not needing to throw light on, above-mentioned switch 34 is disconnected, stop to save unnecessary illumination from the LED22 irradiates light thereby can save.
Then, with reference to Fig. 3 embodiments of the invention 2 are described.Fig. 3 (A) is the main cutaway view of present embodiment, and Fig. 3 (B) is the main cutaway view of the modified example of present embodiment, and Fig. 3 (C) is the stereogram of another modified example.Identical with the foregoing description 1, present embodiment also is to use the example of the long transparent body, but by dispelling the heat more energetically, can obtain the effect that bigger inhibition temperature rises.At first, light-emitting device 40 shown in Fig. 3 (A) accommodates as the LED60 of light source in the lampshade 50 of cross section for コ font roughly and is provided with the circuit board 56 of a plurality of LED60, being that mode that the outer peripheral face of the bar-shaped transparent body 42 of circular contact is installed the edge 54 on the side of this lampshade 50 with the cross section.In addition, the configuration of electrode pattern on the foregoing circuit plate 56 and LED60 is identical with the foregoing description 1.The foregoing description 1 is below half of its integral body from the surface of the transparent body that lampshade exposes, and present embodiment is more from the part that lampshade 50 exposes.As above-mentioned lampshade 50, for example can use the higher aluminium sheet of thermal diffusivity.
In addition, in the present embodiment, between the bottom surface 52 of circuit board 56 that disposes above-mentioned LED60 and lampshade 50, be provided with conducting strip 62 with thermal conductivity.As this conducting strip 62, for example can use graphite flake etc., but also can use other known various sheets with thermal conductivity.And, in the present embodiment, be provided with a plurality of heat transmission fin 64 in the outside bottom surface of above-mentioned lampshade 50.
For the effect of present embodiment, identical with the foregoing description 1 basically about luminous this point, but conduct to conducting strip 62 by circuit board 56 by the heat that produces of turning on light of LED60, be directed to lampshade 50 then with thermal diffusivity.The heat that is directed to this lampshade 50 distributes to the outside, and can utilize this moment fin 64 to promote heat radiation.Like this, adopt present embodiment, on the basis of the effect of the foregoing description 1, can obtain the effect that good inhibition temperature rises by positive heat radiation.
The modified example of embodiment then, is described.At first, the part of exposing from above-mentioned lampshade 50 on the surface of the transparent body 42 of the light-emitting device 40A shown in Fig. 3 (B), be the ejaculation part of light, be the scattering part 66 of frosted shape, only be equivalent to lampshade 50 inboards surface portion, be that the introduction part 44 of light is for transparent.Above-mentioned scattering part 66 is that the coating that will contain Chinese white by for example method such as evaporation or coating for light reflects is coated on the surface of the above-mentioned transparent body 42 and the film that forms.When making such structure, the lens effect of the light that comes from LED60 irradiation by the above-mentioned transparent body 42 produces refraction and disperses and when the outside is penetrated, the scattering part 66 that utilization is formed at the frosted shape on surface makes light to a plurality of direction scatterings (diffuse reflection) efficiently, therefore particularly can improve luminous uniformity.
Light-emitting device 40B shown in Fig. 3 (C) is the example that above-mentioned lampshade 50 is set at 3 places of the outer surface of the transparent body 42.When making such structure, can highlight.Certainly, the example shown in the image pattern 3 (B) is such, also can form the scattering part of frosted shape on the surface of the part that is not covered by lampshade 50.
Embodiment 3
Then, with reference to Fig. 4 and Fig. 5 embodiments of the invention 3 are described.The foregoing description 1 and 2 uses the transparent body of linearity, and present embodiment is done the transparent body circlewise.Fig. 4 (A) is the vertical view of the outward appearance of expression present embodiment, and Fig. 4 (B) is the #4-#4 cutaway view of above-mentioned (A).Fig. 5 is the stereogram of the structure of expression when present embodiment has been pulled down the transparent body.
The light-emitting device 70 of present embodiment is the ligthing paraphernalia that can be arranged at the ring-type of arbitrary site, constitute by the luminous transparent body 78, the fixed head 72 that is located at its back side, a plurality of lampshade (or handle part) 74 and LED80A, 80B, lampshade 74 is used to control the outer peripheral face of the above-mentioned transparent body 78, and be installed on the said fixing plate 72, LED80A, 80B are located at this lampshade 74 inboard separately as with the light source of light from external irradiation to the above-mentioned transparent body 78.Shown in Fig. 4 (B), the cross section of the above-mentioned transparent body 78 is circular, and is same as the previously described embodiments, and this transparent body 78 is formed by translucent materials such as for example acrylic resins.In addition, fixed head 72 is than bigger discoid of the profile of the ring that is formed by the above-mentioned transparent body 78, is for example formed by stainless steel or aluminium etc.In addition, said fixing plate 72 is set as required and is got final product.
The cross section of above-mentioned lampshade 74 is コ font roughly, is provided with above-mentioned LED80A, 80B in the bottom surface 76 of this lampshade 74, and the above-mentioned transparent body 78 is sandwiched in the accommodation section 77 that is fixed between above-mentioned bottom surface 76 and the two sides.That is, lampshade 74 is controlled the outer peripheral face of the transparent body 78.Such lampshade 74 for example is made of stainless steel or aluminium etc.In addition, in illustrated embodiment, at 8 positions of the edge side of fixed head 72 lampshade 74 is set with about equally interval, as long as but lampshade 74 can be controlled the transparent body 78, and its quantity also can suitably increase and decrease as required.By the back side of said fixing plate 72 etc. being installed in desired place in mode arbitrarily, can be with such light-emitting device 70 as ligthing paraphernalia.
Be located at LED80A, 80B on the bottom surface 76 of above-mentioned lampshade 74 rectangle of respectively doing for oneself, the two is fixed on the above-mentioned bottom surface 76 with state arranged side by side.Be provided with illuminating part 82A, 82B on the surface of these LED80A, 80B, the resin moulded parts of covering illuminating part etc. is not set.In addition, on LED80A, 80B, be provided with mark 84A, the 84B of expression polarity of electrode.For example, the terminal of bottom surface that is provided with the side of mark 84A, 84B is sometimes represented positive pole.Thus the mode that is in the central side of fixed head 72 with mark 84A, 84B make all LED80A, 80B when as one man being configured, the LED80A that is located in a plurality of lampshades 74 and the positive terminal of 80B all are connected with lead 88, the negative terminal of opposition side is connected with lead 86.Not shown power supply is connected with these leads 86,88, and is provided for switching the switch of the on/off of energising as required.
In addition, in the present embodiment, identical with the foregoing description 2, also between the bottom surface 76 of lampshade 74 and LED80A and 80B, be provided with the conducting strip 89 shown in the dotted line among Fig. 5, and use the higher material formation said fixing plates 72 of thermal diffusivity such as aluminium, thereby the heat that is produced by LED80A and 80B is distributed from fixed head 72 by lampshade 74.
The above-mentioned transparent body 78 is installed in the lampshade 74 of structure as described above with vacating predetermined distance I, makes illuminating part 82A, the 82B of above-mentioned LED80A, 80B directly not contact the outer peripheral face of the above-mentioned transparent body 78.As installation method, can utilize the elastic force of lampshade 74 sides, also can make the interior side-prominent structures to prevent that the transparent body 78 from contacting with LED80A, 80B such as protrusion tab that are provided with towards lampshade 74.In addition, the interval I of above-mentioned illuminating part 82A, 82B and the transparent body 78 for example is preferably about 1.5mm～2.0mm, also can be according to the size of light-emitting device 70 and the appropriate changes such as diameter of the transparent body 78.
The effect of present embodiment then, is described.With not shown switch connection, begin energising by power supply, LED80A, 80B are turned on light.So, the light that is sent by these LED80A and 80B is injected the inside of the transparent body 78, and since air layer between above-mentioned illuminating part 82A, 82B and the transparent body 78, therefore compare with using directly the situation with the LED of the mode of covering illuminating parts such as resin moulded parts, light is incident upon the transparent body 78 from a plurality of directions.The light that is incident in the transparent body 78 is reflected in the transparent body 78, and penetrates to the outside from its surface.At this moment, because the cross section of the transparent body 78 is a circular, so its surface plays the effect of lens, can make anaclasis and disperses by these lens, and penetrate to the outside.
Like this, adopt embodiment 3,, also can produce lens effect by the cross sectional shape of this transparent body 78 and highlight even use the transparent body 78 of ring-type.In addition, compare with the foregoing description 1 and 2, light penetrates to the outside with bigger angle, therefore is suitable for the scope bigger to irradiation.And if form the surface of fixed head 72 with the reflection efficiency higher material, light then from the light that the transparent body 78 penetrates, directive fixed head 72 1 sides are by these fixed head 72 reflections, and the light ground that therefore can not waste from LED80A, 80B makes light towards shining side.
Embodiment 4
Then, with reference to Fig. 6 embodiments of the invention 4 are described.The foregoing description 1 and 2 with linearity than long materials as the transparent body, and present embodiment is with its contraction in length.The light-emitting device 90 of present embodiment by the cross section for the lampshade 92 of コ font roughly, be located at one group of LED102A on the bottom surface 94A of this lampshade 92 and 102B and outer peripheral face and constituted by the transparent body 96 that the two sides 94B of above-mentioned lampshade 92 controls.Be provided with at the two ends of the above-mentioned transparent body 96 and cover 98,100.
And, be provided with illuminating part 104A, 104B and mark 106A, 106B on the surface of above-mentioned LED102A, 102B.Identical with the foregoing description 3, mark 106A, 106B represent the polarity of electrode of LED102A, 102B, and for example, mark 106A, 106B are located at side of the positive electrode.Lead 110,112 is connected on the not shown terminal of such LED102A, 102B, and covers 98 side direction outsides certainly and draw.And according to the polarity that above-mentioned mark 106A, 106B represent, 110,112 couples of LED102A, 102B switch on by these leads.In addition, in the present embodiment, also be the transparent body 96 to be installed in the mode of opening predetermined distance with illuminating part 104A, 104B sky, it is not close to this illuminating part 104A, 104B.Certainly, also can form lampshade 92 by the thermal diffusivity material, and between this lampshade 92 and LED102A, 102B, not shown conducting strip is set and seek the heat radiation.The effect of present embodiment and effect are identical with the foregoing description 1 basically, but present embodiment is applicable to more small-sized ligthing paraphernalia, for example indoor lamp of automobile etc.
Embodiment 5
Then, with reference to Fig. 7 and Fig. 8 embodiments of the invention 5 are described.In addition, to using identical Reference numeral with the foregoing description 1 identical or corresponding inscape.Fig. 7 (A) is the exploded perspective view of present embodiment, and Fig. 7 (B) is the #7-#7 cutaway view under the state that above-mentioned (A) assembled, and Fig. 7 (C) is the schematic diagram of the range of exposures of expression light.Identical with the foregoing description 1 and 2, present embodiment is to use the example of the longer transparent body of linearity, but by using 2 transparent bodies, the range of exposures that can seek to enlarge and regulate light.Light-emitting device 150 shown in Fig. 7 (A) in the lampshade 152 that is provided with step, accommodate circuit board 18, roughly the bar-shaped transparent body 160 and with these transparent body 160 contacted another bar-shaped transparent bodies 162, foregoing circuit plate 18 is provided with a plurality of LED22 as light source, and the above-mentioned transparent body 160 disposes near LED22 ground with the state of not being close to this LED22.In advance the step of above-mentioned lampshade 152 being made as its hypomere can keep the transparent body 160, its epimere can keep the size of the transparent body 162.For example, can be by formation lampshades 152 as described above such as drawing aluminiums.In addition, identical with the foregoing description 1, a plurality of above-mentioned LED22 of configuration on circuit board 18, thus LED22 is fixed on the bottom surface 156 of lampshade 152.In addition, the mode of configured electrodes pattern 20A and 20B, LED22 is identical with the foregoing description 1 on circuit board 18.
The above-mentioned transparent body 160 for example is fixed in the lampshade 152 by being sandwiched by a pair of side 153 of lampshade 152 hypomeres, and the opposing party's transparent body 162 for example is fixed in the lampshade 152 by being sandwiched by the leaf-spring-like side 154 of lampshade 152.In addition, the above-mentioned transparent body 160 and 162 cross section are circular, in the present embodiment, the diameter that is configured in the transparent body 160 of LED22 one side are set at diameter less than the transparent body 162 of opening portion 158 1 sides that are configured in lampshade 152.If an example is shown, then for when the diameter of the transparent body 160 is 5mm, the diameter of the transparent body 162 in the outside being made as about 7～10mm.
As above-mentioned embodiment 1 is illustrated,, can forms light belt, but, can increase the width of above-mentioned light belt equably on whole length direction ground by as present embodiment, using 2 transparent bodies by using the long transparent body.For example the range of exposures 164 shown in the image pattern 7 (C) is such, under the situation of only using the transparent body 160, light belt to be shaped as the two side ends width narrower.On the contrary, as present embodiment and when the transparent body 162, the light of the transparent body 160 by the LED22 side is dispersed by the transparent body 162 in the outside again.Therefore, shown in the range of exposures 166 among Fig. 7 (C), the width that injects to outside light increases, and can form two ends and have roughly the light belt of width W uniformly.
In addition, the width W that can regulate above-mentioned light belt by the diameter that changes the transparent body 162.Fig. 8 is the cutaway view and the vertical view of an example of the range of exposures of the expression transparent body 160 and 162 diameter and light.At first, shown in Fig. 8 (A-1), the diameter that makes the transparent body 160 is 5mm, and when the diameter of the transparent body 162 was 6mm, the width W 1 of light belt was shown in Fig. 8 (A-2).And shown in Fig. 8 (B-1), the diameter that makes the transparent body 160 is 5mm, and when the diameter of the transparent body 162 was 10mm, shown in Fig. 8 (B-2), the width W 2 of light belt was narrower than above-mentioned W1.Can think this be because: at the transparent body 162 diameters is when being a bit larger tham the degree of the transparent body 160 diameters, the effect that the transparent body 162 performances are dispersed light, when the transparent body 162 diameters are the degree of several times of the transparent body 160 diameters, the effect that the transparent body 162 performances can gather light.
Effect for present embodiment, identical with the foregoing description 1 basically about luminous this point, but owing in lampshade 152, be provided with the transparent body 160 and 162 these 2 transparent bodies, and set the diameter of the transparent body 162 of light emitting side greater than the diameter of the transparent body 160 of LED22 side, the width W of light belt that therefore can make irradiation on whole length direction evenly.Therefore, can be applied to various inspections purposes with devices etc.In addition, identical with the foregoing description 2, in the present embodiment, also can between the bottom surface 156 of lampshade 152 and circuit board 18, conducting strip be set, or at the arranged outside fin of lampshade 152 etc., thereby promote the heat radiation of lampshade 152.
Embodiment 6
Then, with reference to Fig. 9 embodiments of the invention 6 are described.The foregoing description 1～5 all is that the cross section of the transparent body is a circular, but present embodiment is to use the example of the long transparent body with circular section shape roughly.Fig. 9 (A) is the main cutaway view of present embodiment, and Fig. 9 (B) is the exploded perspective view of the structure of expression present embodiment, and Fig. 9 (C) is a circuit diagram, and Fig. 9 (D) is the main cutaway view of modified example.In addition, block above-mentioned Fig. 9 (B) and cross section when the direction of arrow is seen is equivalent to Fig. 9 (A) along the #9-#9 line.The light-emitting device 200 of present embodiment has been implemented the lampshade 208 of scattering object of DIFFUSION TREATMENT by the transparent body 202 with light transmission, as the surface and the backlight module 214 that is contained between these members constitutes.
The above-mentioned transparent body 202 be roughly sector crosssection than long materials, light penetrates to the outside from the part of arc roughly.As this transparent body 202, for example can use transparent acrylic resin, and form with proper methods such as drawings.On the other hand, lampshade 208 forms the surperficial such shape except emitting side that covers the above-mentioned transparent body 202, and the bottom surface between the paddy that is formed by a pair of inclined-plane 210A and 210B is formed with the groove 212 that is used to be provided with above-mentioned backlight module 214 along its length.As above-mentioned lampshade 208, for example can use resin, glass etc., and form by the method that is suitable for material.And, be used to realize above-mentioned surface-treated sheet etc. in the installation of the surface of for example resin forming product, glass molded article, thereby form above-mentioned lampshade 208.In addition, preestablish the degree of depth of above-mentioned groove 212, make the 210B of involutory at the inclined-plane 210A of inclined-plane 204A that makes the transparent body 202 and lampshade 208, as to make the transparent body 202 inclined-plane 204B and lampshade 208 to fashionable, the bottom surface 206 of the transparent body 202 is not contacted with backlight module 214, and keep predetermined distance.In addition, the same length of the above-mentioned transparent body 202 and lampshade 208.
Then, backlight module 214 is described.Backlight module 214 directs light under the state of the bottom surface that is installed on above-mentioned groove 212 in the above-mentioned transparent body 202, by the circuit board 216 that can hold along above-mentioned groove 212, be formed at electrode pattern 218A on this circuit board 216 and 218B and constitute with a plurality of LED220 that the mode across this electrode pattern 218A and 218B disposes abreast.As above-mentioned electrode pattern 218A and 218B, for example use copper, and be pre-printed on foregoing circuit plate 216, lead 222,224 is connected to the end of above-mentioned electrode pattern 218A and 218B.The quantity that is located at such electrode pattern 218A and the LED220 on the 218B is arbitrarily, but present embodiment has equally spaced disposed 3 LED220.For above each one, at first, with across be formed on the electrode pattern 218A that parallels on the circuit board 216, the mode of 218B disposes LED220, and connects not shown terminal and electrode pattern 218A and the 218B of this LED220.Then, connect lead 222,224 in the end of electrode pattern 218A, 218B respectively with proper method.Then, the above-mentioned circuit board 216 that is provided with LED220 is like that sticked on the bottom surface of the groove 212 of lampshade 208, and make the above-mentioned transparent body 202 be embedded into the opening portion of lampshade 208 in the side from it, the proper method by bonding agent etc. bonds them.
A Square wire that is connected with LED220 (for example, lead 224) is connected on square end of power supply 228, and the opposing party's lead (for example, lead 222) is connected on the opposing party's terminal of above-mentioned power supply 228 by switch 226.That is, shown in the circuit diagram of Fig. 9 (C), on 3 LED220 of parallel connection, connecting power supply 228,, can switch turning on light and turning off the light of LED220 by switching the on/off of above-mentioned switch 226 by switch 226.
The effect of present embodiment then, is described.At first, the curved face part (cross section for roughly the part of arc) that makes the transparent body 202 is arranged on desired place towards the illumination place with light-emitting device 200.Then, switch 226 is connected, and by power supply 228 to being located at groove 212 in the LED220 power supply and switch on, LED220 is turned on light, light is shone towards the transparent body 202.The lens effect of the transparent body 202 of arc section shape reflects and disperses by having roughly to the light of the transparent body 202 irradiations from LED220, and a part penetrates to the outside, and other light are 208 incidents from a plurality of directions towards lampshade.Incide light on the lampshade 208 by the surface scattering of this lampshade 208, therefore when light-emitting device 200 is seen in the outside, can confirm that the whole transparent body 202 homogeneous and bright ground is luminous.Like this, adopt present embodiment, can eliminate brightness irregularities, make its integral body luminous equably by the curve form of the transparent body 202 and the lampshade 208 of frosted shape.In addition, identical with the foregoing description 1, the light-emitting device 200A shown in the image pattern 9 (D) is such, in present embodiment 6, the scattering part 203 of frosted shape can be set also in the curved face part of the transparent body 202.
Then, with reference to Figure 10 embodiments of the invention 7 are described.Present embodiment 7 is made circular with the cross sectional shape of the transparent body in the foregoing description 6, that is, be that the transparent body is made roughly columned example.Figure 10 (A) is the main cutaway view of present embodiment, and Figure 10 (B) is the exploded perspective view of the structure of expression present embodiment, and Figure 10 (C) is the main cutaway view of the modified example of expression present embodiment.In addition, block above-mentioned Figure 10 (B) and cross section when the direction of arrow is seen is equivalent to Figure 10 (A) along the #10-#10 line.The light-emitting device 230 of present embodiment has been implemented the lampshade 240 of scattering object of DIFFUSION TREATMENT by the transparent body 232 with light transmission, as the surface and the backlight module 214 that is contained between these members constitutes.
The essential structure of present embodiment is identical with the foregoing description 6, but in the light-emitting device 230 of present embodiment, the transparent body 232 be the cross section be circular than long materials, the part that is not covered (supporting) by above-mentioned lampshade 240 around it is the light emitting side.On the other hand, above-mentioned lampshade 240 forms the surface configuration except the light emitting side that covers the transparent body 232, and the bottom surface between the paddy that is formed by a pair of curved surface 242A and 242B is formed with the groove 244 that is used to be provided with above-mentioned backlight module 214 along its length.The above-mentioned transparent body 232 is embedded among above-mentioned a pair of curved surface 242A and the 242B, and bonds them by proper methods such as bonding agents.In addition, the effect of drawing structure, present embodiment of the structure of above-mentioned backlight module 214 and electrode is identical with the foregoing description 6 with effect.Certainly, the light-emitting device 230A shown in the image pattern 10 (C) is such, also can form the scattering part 234 of frosted shape at the surface portion of the transparent body 232 that is not covered by lampshade 240.
Embodiment 8
Then, with reference to Figure 11 embodiments of the invention 8 are described.Present embodiment is the example that light-emitting device of the present invention is applied to ligthing paraphernalia.Figure 11 (A) is the stereogram of outward appearance of expression present embodiment, (B) is the #11A-#11A cutaway view of above-mentioned (A), (C) is to block above-mentioned (B) and figure when the direction of arrow is seen is the figure of the configuration of expression light source (LED) along the #11B-#11B line.Figure 11 (D) is the circuit diagram of present embodiment, and Figure 11 (E) is the figure of the modified example of expression present embodiment.As shown in figure 11, the light-emitting device 300 of present embodiment is by the luminous transparent body 312, as light is constituted to LED (light emitting diode) 324 and 326, the circuit board 320 of the light source of these transparent body 312 irradiations and the joint 318 that is installed on the above-mentioned transparent body 312, foregoing circuit plate 320 is provided with above-mentioned LED324 and 326, and is installed on the above-mentioned transparent body 312.Above-mentioned light-emitting device 300 can be fixed on wall or the ceiling etc. with arbitrary method by above-mentioned joint 318.In addition, above-mentioned LED324 and 326 as required, also can connect the potentiometer (resistance) 340 that is used to regulate brightness except connecting power supply 338 and switch 339.
The above-mentioned transparent body 312 integral body are for roughly spherical, and shown in the cross section of Figure 11 (B), its cross section is a circular.In addition, be provided with tube roughly cylindraceous portion 314 on the part on the surface of this transparent body 312, this one 314 accommodates above-mentioned LED324 and 326, and foregoing circuit plate 320 is installed.This one 314 can form as one with the above-mentioned transparent body 312, also can the independent respectively member that forms be fixed up by proper method.As the above-mentioned transparent body 312 and tube portion 314, for example can use translucent materials such as acrylic resin, glass.
In addition, the circuit board 320 that is used to install above-mentioned LED324 and 326 is fixed on the edge portion of above-mentioned tube portion 314 by proper method.Shown in Figure 11 (C), present embodiment is fixed on the structure of edge portion of the circular of a portion 314 for four angles of foursquare circuit board 320 roughly.Electrode pattern 322A, 322B are formed at the surface of foregoing circuit plate 320 with predetermined distance with roughly paralleling, and this electrode pattern 322A, 322B are used to connect the not shown terminal of the bottom surface that is located at above-mentioned LED324 and 326.In addition, as above-mentioned electrode pattern 322A, 322B, for example use copper etc., and be pre-printed on circuit board 320.The quantity that is located at the LED on such circuit board 320 surfaces is arbitrarily, but is provided with 2 LED324 and 326 in the present embodiment.This LED324 and 326 is respectively roughly rectangle.In addition, be provided with illuminating part 324A and 326A, the resin moulded parts of covering illuminating part etc. is not set on the surface of these LED324 and 326.In addition, on LED324 and 326, be provided with the mark 324B and the 326B of expression polarity of electrode.For example, the terminal of bottom surface that is provided with the side of mark 324B or 326B is represented negative pole.
And, being configured in the mode on the above-mentioned electrode pattern 322A and they are coupled together with the positive terminal of above-mentioned LED324 and 326, the mode that is configured on the above-mentioned electrode pattern 322B with the negative terminal of LED324 and 326 couples together them.Lead 334,336 is connected to such electrode pattern 322A, the end of 322B.One Square wire 336 is connected on square end of power supply 338, and the lead 342 that is connected with power supply 338 the opposing party's terminals is connected on square end of potentiometer 340.And the lead 344 that is connected with the opposing party's terminal of above-mentioned potentiometer 340 is connected on the lead 334 that is connected with above-mentioned electrode pattern 322A by switch 339.
Promptly, shown in Figure 11 (D), by lead 334,336,342,344 and by switch 339 and potentiometer 340 power supply 338 is connected with the LED324 and 326 of parallel connection,, can switches turning on light and turning off the light of LED324 and 326 by switching the on/off of above-mentioned switch 339.In addition, also can under the state that switch 339 is connected, regulate brightness by regulator potentiometer 340.In addition, potentiometer 340 is provided with as required and gets final product.
The circuit board 320 that will be provided with above such LED324 and 326 by proper method is fixed on the edge portion of above-mentioned tube portion 314, thereby above-mentioned LED324 and 326 can be contained in the portion 314.Be fixed in the tube as described above portion 314 by the proper method joint 318 that the upper end is uncovered, and from the lower ending opening of this joint 318, draw above-mentioned lead 334 and 336.For example, the threaded portion of the outer peripheral face by being located at above-mentioned tube portion 314 and be formed at being threadedly engaged with between the threaded portion (all not shown) of joint 318 inner peripheral surface upper end side is with removably fixing above-mentioned tube portion 314 of mode and joint 318.In addition, be installed at foregoing circuit plate 320 under the state of a portion 314 and be fixed, state that makes above-mentioned LED324 and 326 be in not to be close to or the position approaching with the surface of this introduction part 316 with the surface of the introduction part 316 of the transparent body 312.
The effect of present embodiment then, is described.Light-emitting device 300 is arranged on the desired place that needs illumination by proper method.And, switch 339 is connected, and from power supply 338 to being located at a portion 314 in LED324 and 326 power supplies and switch on, LED324 and 326 is turned on light, light is shone to the transparent body 312 from introduction part 316.The light that come from LED324 and 326 irradiations are that the lens effect of the transparent body 312 of circular reflects and disperses by the cross section, and penetrate to the outside.When this state is seen in the outside of light-emitting device 300, can see that the whole transparent body 312 is luminous equably.In addition, adopt the light-emitting device 300 of present embodiment, can produce lens effect, therefore compare, can obtain enough brightness with incandescent lamp etc.
Like this, adopt embodiment 8, inboard in the tube portion 314 that is located at the roughly spherical transparent body 312 surfaces with light transmission is so that above-mentioned LED324 and 326 is in not the state be close to the introduction part 316 of the transparent body 312 or disposes them with the mode of the approaching state of this introduction part 316.Therefore, make above-mentioned LED324 and 326 when luminous, utilizing the lens effect of the inner surface of the transparent body 312 to reflect and penetrate to the outside at the transparent body 312 inner light that produce refraction and disperse, therefore can be whole luminous equably and obtain enough brightness.
The modified example of present embodiment then, is described with reference to Figure 11 (E).In the example shown in Figure 11 (E), have only the transparent body 312 lip-deep above-mentioned tube portion 314 the inboard part, be that introduction part 316 is pellucidity.On the other hand, the surface portion except above-mentioned introduction part 316, the surface portion that promptly is equivalent to a portion 314 outsides are the scattering part 346 of frosted shape.This scattering part 346 is that the coating that for example will contain Chinese white with methods such as evaporation or coatings for light is reflected is coated on the surface of the above-mentioned transparent body 312 and the film that forms.As above-mentioned Chinese white, for example can use titanium white (titanium white, titanium oxide), also can use other Chinese whites such as silvery white or zinc white.When making such structure, the light that come from LED324 and 326 irradiations produce refraction and disperse and when the outside is penetrated at the lens effect by the above-mentioned transparent body 312, the scattering part 346 that utilization is formed at the frosted shape on surface makes light to a plurality of direction scatterings (diffuse reflection) expeditiously, therefore particularly can improve luminous uniformity.
Then, with reference to Figure 12 embodiments of the invention 9 are described.Figure 12 (A) is the main cutaway view of present embodiment, and Figure 12 (B) is the main cutaway view of the modified example of present embodiment.Identical with the foregoing description 8, present embodiment also is applied to ligthing paraphernalia with light-emitting device of the present invention, and its essential structure is identical, but present embodiment is with the example of solar cell as power supply.At first, the light-emitting device 350 shown in Figure 12 (A) is described.The light-emitting device 350 of present embodiment also is connected with switch 374, solar panel 380 and battery 392 except constituting to the LED362 of these transparent body 352 irradiations with for the joint 370 that the above-mentioned transparent body 352 is installed by the luminous transparent body 352, with light.
Shown in Figure 12 (A), the above-mentioned transparent body 352 is for being formed with the shape of the tube portion 354 of general cylindrical shape continuously on spherical main roughly.The circuit board 360 that is provided with above-mentioned LED362 is bonded on the edge portion of above-mentioned tube portion 354 with proper method.That is, can in the accommodation section 356 of the inboard of above-mentioned tube portion 354, hold LED362.In addition, preestablish the height of above-mentioned tube portion 354, make that being contained in LED362 in the accommodation section 356 is in not the state be close to the introduction part 358 of the light on the surface of the above-mentioned transparent body 352 or the position approaching with this introduction part 358.Such transparent body 352 can be joined together formation with tube portion 354 with its main body, also can excise its main body and process and form as the one thing.Identical with the foregoing description 8, as the transparent body 352, can use translucent materials such as acrylic resin, glass.
Be fixed on the substantial middle of the circuit board 360 that engages with the edge portion of above-mentioned tube portion 354 with proper method as the LED362 of light source.Be provided with illuminating part 364 on the surface of this LED362, the resin moulded parts of covering illuminating part etc. is not set.In addition, be provided with not shown terminal, be connected with lead 366 and 368 respectively in the side of LED362.Lead 366 is for example drawn near the upper end, side of joint 370, and is connected on square end of switch 374, and the opposing party's lead 368 is connected on square end of the battery 392 in the joint 370.The lead 394 that is connected on these battery 392 the opposing party's terminals is drawn from lead division 372, and is connected on the opposing party's terminal of switch 374.
In addition, in the present example, be injected on the above-mentioned solar panel 380 in order to make light, foregoing circuit plate 360 is formed by the transparent panel with light transmission.Above-mentioned solar panel 380 will become electric energy via the power conversion of the sunshine of circuit board 360 incidents, and the two sides is provided with the electrode layer 384,386 that is used to take out electric power in the table of the fish plate of P-type semiconductor plate and N-type semiconductor plate.These electrode layers 384,386 are connected on the battery 392 by lead 388,390, the electric energy that takes out from solar panel 380 is converted to chemical energy and is put aside in this battery 392, can be converted to electric energy once more as required and be fed into above-mentioned LED362.In addition, above-mentioned battery 392 is connected on square end of LED362 by lead 368, and is connected on the switch 374 by lead 394.And, can switch turning on light and turning off the light of LED362 by switch 374.The potentiometer of the light quantity that for example is used to mediate also can be set in addition, as required.
The effect of present embodiment then, is described.By proper method light-emitting device 350 is arranged on desired place.And, switch 374 is connected, and from battery 392 to being located at accommodation section 356 in the LED362 power supply and switch on, LED362 is turned on light, light is shone towards the transparent body 352 via introduction part 358.The light that irradiation comes enters in the transparent body 352, and by transparent and lentiform main part reflection.When this state is seen in the outside of light-emitting device 350, can see that the whole transparent body 352 is with evenly and luminous with enough brightness.The effect of present embodiment is identical with the foregoing description 8.In addition, the transparent body 352A shown in the image pattern 12 (B) is such, in the present embodiment, also can form the scattering part 396 of frosted shape from the teeth outwards and seeks to improve luminous uniformity.In addition, identical with the modified example of the foregoing description 8, the scope that above-mentioned scattering part 396 is set only is the outside of a portion 354, is the emitting side of light.
Then, with reference to Figure 13 embodiments of the invention 10 are described.It is the cutaway view of the light-emitting device of present embodiment that Figure 13 (A) reaches (B), and Figure 13 (C) is the stereogram of the expression transparent body, and Figure 13 (D) is the stereoscopic figure of its modified example of expression.In addition, to using identical Reference numeral (following embodiment too) with the foregoing description 8 identical or corresponding inscapes.Identical with the foregoing description 8 and 9, present embodiment also is to use the structure of the roughly spherical transparent body.As Figure 11 (A) and (B), the light-emitting device 400 of present embodiment by the luminous transparent body 402, as with light to the LED324 and 326 of the light source of this transparent body 402 irradiations, be installed in circuit board 320 on the above-mentioned transparent body 402, be installed in joint 318 on the above-mentioned transparent body 402, the lamp umbrella 410 that is located at the outside of the above-mentioned transparent body 402 constitutes.In addition, as described later, above-mentioned lamp umbrella 410 is provided with as required and gets final product, and the structure of above-mentioned LED324 and 326, circuit board 320, joint 318 and circuit structure are basic identical with the foregoing description 8.
The above-mentioned transparent body 402 integral body shown in Figure 13 (C), are formed with the pit 404 of conical shaped for roughly spherical at the emitting side (irradiation side) of light.In addition, accommodate above-mentioned LED324 and 326, and be provided with the tube roughly cylindraceous portion 408 that foregoing circuit plate 320 is installed at the opposition side of above-mentioned pit 404.This one 408 can form as one with the above-mentioned transparent body 402, also can the independent respectively member that forms be fixed together by proper method.Identical with the foregoing description 8, as the above-mentioned transparent body 402 and tube portion 408, for example can use translucent materials such as acrylic resin, glass.Shown in Figure 13 (A), as required, can be used for the lamp umbrella 410 that light is reflected in the arranged outside of such transparent body 402.In addition, as lamp umbrella 410, for example can use and implement the accurately machined aluminium of minute surface, resin material etc.
The effect of present embodiment then, is described.At first, shown in Figure 13 (A), the situation with lamp umbrella 410 is described.Light-emitting device 400 is arranged on the desired place that needs illumination by proper method.And, switch 339 is connected, and from power supply 338 to being located at a portion 408 in LED324 and 326 power supplies and switch on, LED324 and 326 is turned on light, light is shone towards the transparent body 402 from the inboard of tube portion 408.The light that shines on the inclined-plane 406 the next light, that impinge upon above-mentioned pit 404 from LED324 and 326 is reflected by this inclined-plane 406, and the direction of the incident direction approximate vertical of Xiang Yuguang (arrow F13b direction) penetrates, then, shown in the dotted line of this figure, made advance route become (arrow F13a) direction by above-mentioned lamp umbrella 410 reflections again towards the top.On the other hand, shown in the solid arrow among Figure 13 (A), shine light the next light, that inject to the outside of above-mentioned pit 404 from LED324 and 326 and do not reflected, and only penetrate to the top of figure (arrow F13a) direction by above-mentioned inclined-plane 406.That is,, the major part to the light of the transparent body 402 incidents is penetrated to same direction by lamp umbrella 410 is set.
Then, shown in Figure 13 (B), under the situation that lamp umbrella 410 is not set, the light that is penetrated to the outside by 406 reflections of above-mentioned inclined-plane can not change original advance route, and advances to arrow F13b direction.On the other hand, the light that shines to the outside of above-mentioned pit 404 is not reflected by above-mentioned inclined-plane 406, and only the arrow F13a direction in Figure 13 (B) penetrates.Like this, under the situation that lamp umbrella 410 is not set, light is shone to arrow F13a direction with the arrow F13b direction of this direction approximate vertical.Other effects of present embodiment are identical with the foregoing description 8.In addition, the example shown in Figure 13 (D) is such, by substituting the joint 420 that joint 318 uses screw-in, can be directly be connected use with socket etc., thereby can install simply etc.
As above explanation, adopt present embodiment, the light that comes from LED324 and 326 irradiations is that the lens effect of the transparent body 402 of circular produces refraction and disperses by the cross section, and penetrates to the outside.When this state is seen in the outside of light-emitting device 400, can see that the whole transparent body 402 is luminous equably.In addition, adopt the light-emitting device 400 of present embodiment, can produce lens effect, therefore compare, can obtain enough brightness with incandescent lamp etc.In addition, according to having or not of lamp umbrella 410, can regulate the range of exposures and the direction of light.
Then, with reference to Figure 14 embodiments of the invention 11 are described.Figure 14 (A) is the stereogram of present embodiment, and Figure 14 (B) is its cutaway view.The foregoing description 8～10 all is to use the example of the roughly spherical transparent body, but present embodiment is to use the roughly example of the hemispheric transparent body.As shown in figure 14, the light-emitting device 450 of present embodiment is by the luminous transparent body 452, as light is constituted to LED324 and 326, the circuit board 320 of the light source of this transparent body 452 irradiations and supporting part 460 that this circuit board 320 is installed.Above-mentioned LED324 and 326 identical with the structure of the foregoing description 8 with the structure of circuit board 320, its circuit formation etc. are also identical.
The above-mentioned transparent body 452 is hemispherical roughly, is provided with the tube portion 456 that is used to be installed on the circular supporting part 460 in the edge portion of its planar portions 454 sides.Keep transparent bodies 452 and be located at predetermined distance I between the LED324 and 326 on the above-mentioned supporting part 460 by this one 456.As the above-mentioned transparent body 452, for example can use translucent materials such as acrylic resin, glass.The effect of present embodiment, effect are basic identical with the foregoing description 8.Promptly, the light that come from LED324 and 326 irradiations are by between air layer 454 incidents from a plurality of directions towards planar portions between itself and the transparent body 452, relending and helping the cross section is that the lens effect of the transparent body 452 of roughly circular arc produces refraction and disperses, and injects to the outside with enough brightness.At this moment, also can apart from I light like that only be penetrated shown in Figure 14 (A) to direction between above-mentioned planar portions 454 and LED324 and 326 by regulating, also can make light shown in Figure 14 (B) like that with radial ejaculation.The effect of present embodiment is identical with the foregoing description 8.
Then, with reference to Figure 15 embodiments of the invention 12 are described.The foregoing description 8～11 all only uses roughly spherical or the roughly hemispheric transparent body, but in the present embodiment, is the example that the roughly spherical transparent body and the long transparent body are combined and use.Present embodiment 12 applies the present invention to baton.Figure 15 (A) is the stereogram of the outward appearance of expression present embodiment, and Figure 15 (B) is that the #15-#15 line of above-mentioned (A) blocks cutaway view.
As Figure 15 (A) and (B), the baton 500 of present embodiment is made of handle 502 and main body 504, and, aforementioned body 504 by the 1st long illuminating part 506, roughly spherical the 2nd illuminating part 530 be connected this two-part connector 540 and constitute.Above-mentioned the 1st illuminating part 506 and the 2nd illuminating part 530 can send same coloured light, but in the present embodiment, for example, the 1st illuminating part 506 sends red light, and the 2nd illuminating part 530 sends white light.
At first, the 1st illuminating part 506 is described.Usually, the illuminating part of this kind linearity is bright more the closer to light source, and is dark more from light source part far away, it is comparatively strong that the brightness of whole light-emitting device presents uneven tendency, but in the present embodiment, eliminated such brightness disproportionation, its integral body is luminous equably.The 1st illuminating part 506 accommodates the transparent body 512 that is formed substantial cylindrical by the light transmission member in the inboard of tube 510.Above-mentioned tube 510 can use transparent resin, glass, makes it can not hinder the light that is sent by the transparent body 512.
The roughly whole surface of the above-mentioned transparent body 512 also is formed with the scattering part 514 of frosted shape except transparency window 516 parts that are formed with the linearity that extends along its length.Same as the previously described embodiments, the above-mentioned transparent body 512 for example uses acrylic resin, glass etc., and above-mentioned scattering part 514 for example contains methods such as the coating formation film of Chinese white by evaporation or coating.Square end portion (being the end of handle 502 sides in illustrated embodiment) at such transparent body 512 imbeds LED518, draws the lead 522 and 524 on the not shown terminal that is connected LED518 from the base portion 520 of this LED518.In the present embodiment, send red light, used the LED518 that sends red light in order to make the 1st illuminating part 506.In addition, with the overhang bracket of the end of the transparent body 512 and tube 510 be fixed on the handle 502, above-mentioned LED518 is housed in the handle 502 with proper method.
Secondly, the inside of handle 502 forms hollow, is provided with the battery 528 as the power supply of above-mentioned LED518 therein.In addition, be provided with in the outside of handle 502 and be used to switch the 1st illuminating part 506 and the 2nd illuminating part 530 switch of turning on light and turning off the light 526 separately.And, the lead 550 that is connected with the not shown square end of above-mentioned battery 528 is via above-mentioned switch 526 and lead 522, and be connected on not shown square end of LED518, and battery 528 interconnects by lead 524 with the opposing party's terminal of LED518.These leads 522,524,550 all are contained in the handle 502.
Then, the 2nd illuminating part 530 is described.The structure of the 2nd illuminating part 530 is basic identical with the foregoing description 8.That is, by the roughly spherical luminous transparent body 532, be located at tube portion 534 on this transparent body 532, constitute as the LED542 of the light source that light is shone to the above-mentioned transparent body 532 and the connector 540 that on side's interarea, is provided with this LED542.The above-mentioned transparent body 532 is fixed on the above-mentioned tube 510 by above-mentioned connector 540.In the present embodiment, send white light, used the LED542 that sends white light in order to make the 2nd illuminating part 530.In addition, the light source of the above-mentioned transparent body 542 is the battery 528 that is contained in the above-mentioned handle 502.Same as the previously described embodiments, can use for example translucent material such as acrylic resin, glass as the above-mentioned transparent body 532 and tube portion 534.
The above-mentioned transparent body 532 is for being formed with the shape of tube roughly cylindraceous portion 534 continuously on roughly spherical main body.The connector 540 that is provided with above-mentioned LED542 is fixed on the edge portion of above-mentioned tube portion 534 with proper method.That is, in the accommodation section 536 of the inboard of above-mentioned tube portion 534, accommodate LED542.Such transparent body 532 can form its main body with tube portion 534 with being joined together, also can excise its main body and process and form as the one thing.
Be fixed on the substantial middle of the connector 540 of the edge portion that is installed on above-mentioned tube portion 534 with proper method as the LED542 of light source.Be provided with illuminating part 544 on the surface of this LED542, the resin moulded parts of covering illuminating part etc. is not set.In addition, be provided with not shown terminal in the side of LED542, these terminals are connected with lead 546 and 548 respectively.These leads 546 and 548 are for example drawn via above-mentioned connector 540, and a Square wire 546 is connected on square end of above-mentioned switch 526, and the opposing party's lead 548 is connected on square end of above-mentioned battery 528.That is, square end of LED518 and 542 these 2 LED is connected by lead 524 and 548 on square end of battery 528, and the opposing party's terminal of LED518 and 542 these 2 LED is connected on square end of switch 526 by lead 522 and 546.And, owing to interconnect, therefore, can switch turning on light and turning off the light of LED518 and 542 by console switch 526 with the opposing party's terminal of lead 550 with above-mentioned switch 526 and battery 528.In addition, LED518 and 542 is turned on light simultaneously, also can so that the mode that the either party turns off the light the opposing party when turning on light switch.
The effect of present embodiment then, is described.In addition, at this, can carry out turning on light and turning off the light of LED518 and 542 by console switch 526.At first, when LED518 was turned on light, the light that is sent by LED518 entered into the inside of the transparent body 512.Light in the light of incident, that enter into transparency window 516 is reflected at this.But the light that enters into the scattering part 514 of frosted shape produces diffuse reflection (scattering) at scattering part 514.That is, the light that enters into the transparent body 512 is mainly guided to top from the bottom by transparency window 16, and at scattering part 514 by diffuse reflection, send red light when the outside is seen, can be observed the 1st illuminating part 506.
On the other hand, when LED542 was turned on light, light shone towards the transparent body 532 from introduction part 538.The light that comes from LED542 irradiation utilizes the cross section to produce refraction for the lens effect of the transparent body 532 of circular and disperses, and penetrates to the outside.When this state is seen in the outside of baton 500, can see that whole the 2nd illuminating part 530 is luminous equably.
Like this, adopt present embodiment 12, in the 1st illuminating part 506, be formed with the scattering part 514 of frosted shape in the part except being formed with the transparency window 516 that extends along its length on the surface of the transparent body 512, therefore can utilize transparency window 516 that light is also guided by the top to the transparent body 512, can be luminous equably until the front end of the transparent body 512.In addition, in the 2nd illuminating part 530, when making LED542 luminous, the lens effect that utilizes the inner surface of the transparent body 532 reflects and produces refraction and the light dispersed penetrates to the outside in the transparent body 532, therefore can make the 2nd illuminating part 530 luminous equably, and obtain enough brightness.Certainly, same as the previously described embodiments, in the present embodiment, also can form the scattering part of frosted shape on the surface of the transparent body 532 of the 2nd illuminating part 530 by methods such as evaporations.
There are many embodiments in the present invention, can carry out multiple change based on above disclosed content.For example, also comprise following mode.
(1) shape shown in the foregoing description, size are examples, can suitably change, to produce identical effect.Particularly, under the situation of the transparent body that uses linearity, can increase and decrease the size of its length direction arbitrarily.In addition, using under the situation roughly spherical or the roughly hemispheric transparent body, can increase and decrease its diameter arbitrarily.
(2) transparent body is preferably the member of clear, colorless, but also can be coloured member.For example in the foregoing description 12, with the LED518 of red LED as the 1st illuminating part 506, with the LED542 of White LED as the 2nd illuminating part 530, but this also is an example, can use the LED that sends other color of light as required.
(3) in the above-described embodiments, as the transparent body, enumerated the example of acrylic resin, glass, but this also is an example, can use other known various translucent materials as required.For example, under situation about light-emitting device of the present invention being installed in as illumination on the ceiling,, therefore nonflammable resin is used as the transparent body etc. because light-emitting device need have flame retardancy.
(4) also the other light sources except LED, for example cold-cathode tube etc. can be used as light source, but consider the power consumption this point, LED is the most suitable.
(5) LED can use monochromatic light-emitting component, also can use multicolor luminous element.
(6) quantity of the LED shown in the foregoing description also is an example, can increase and decrease as required.
(7) light-emitting device of the foregoing description 8～12 not only as the illumination of indoor and outdoor, also can be used to shine purposes such as various displays, billboard.
(8) in the foregoing description 9, solar panel 380 is arranged in the light-emitting device 350, but this also is an example, also solar panel can be located at the outside of light-emitting device 350.Certainly, also can use solar panel in other embodiments.
(9) structure of the circuit shown in the foregoing description also is an example, can suitably change, to produce identical effect.For example, the arbitrary circuit shown in the foregoing description 1 application drawing 2 (B)～(E) just, the arbitrary circuit of any among other embodiment 2～7 shown in also can application drawing 2 (B)～(E).In addition,, can also seek to reduce operating cost, and realize being of value to the illumination of environment by independent current sources such as combined solar, wind-force.
In addition, the potentiometer 340 shown in the foregoing description 8 etc. for example is set as required in other embodiments.And, in the example shown in the foregoing description 9, also can alternative switch 374 and use optical sensor to switch turning on light/turning off the light of LED362.For example, by light sensors to the situation of testing result greater than setting of amount of incident of sunshine under (sunny daytime etc.), to cut off the energising of LED362, under the situation of amount of incident (cloudy day, rainy day or night etc.), will connect the energising of LED362 less than setting.
(10) in the foregoing description 12, only distolaterally the 2nd illuminating part 530 is set and used as baton 500 at one of the 1st long illuminating part 506, but also can be provided with and be roughly spherical illuminating part, also can be provided with and be roughly spherical illuminating part in the light-emitting device end of the foregoing description 1,2,5,6,7 at long the 1st illuminating part 506 two ends.
(11) in the foregoing description 10, be provided with the pit 404 of conical shaped, but this also is an example, also the shape of pit can be made roughly pyramid.
(12) light-emitting device of the present invention not only can be used as illuminations such as various inspections usefulness are thrown light on, the illumination of indoor and outdoor, guiding lamp, display lamp, emergency light, also baton, light-emitting device all can be applied to various device, device as the part of inscape.
The industry utilizability
Adopt the present invention, to have light transmission and have the cross section for circular arc roughly or The light of the transparent body radiation source of circular curved face part is by the curved surface of the above-mentioned transparent body Part produces lens effect, and makes light produce refraction and disperse, and therefore can be applied to The purposes of the light-emitting device of various shapes, size. Particularly, be suitable for needing evenly and The purposes of the light-emitting device that enough brightness shiners are used.
Claims (14)
1. a light-emitting device is characterized in that,
This light-emitting device comprises the transparent body, light source and cap assembly;
The above-mentioned transparent body has light transmission, and its integral body forms roughly ring-type, and has curved face part, and the cross-sectional shape shape of this curved face part comprises circular or circular arc roughly;
Above-mentioned light source is at least one, shine to above-mentioned curved face part from the outside with light via the above-mentioned transparent body, and, keep the mode of predetermined distance with the state be not close to the surface of the above-mentioned transparent body or with the surface of the above-mentioned transparent body, near the configuration outwardly of the above-mentioned transparent body;
Above-mentioned cap assembly is installed in the outer surface of the above-mentioned transparent body, and side is provided with above-mentioned light source within it.
2. light-emitting device according to claim 1 is characterized in that,
When having a plurality of above-mentioned light source, along this light source of circumferential configuration of the above-mentioned transparent body.
3. light-emitting device according to claim 1 is characterized in that,
Along a plurality of above-mentioned cap assemblies of circumferentially disposing of the above-mentioned transparent body.
4. light-emitting device according to claim 1 is characterized in that,
Above-mentioned cap assembly has thermal diffusivity.
5. light-emitting device according to claim 1 is characterized in that,
Between above-mentioned cap assembly and light source, be provided with the thermal conductivity sheet.
6. light-emitting device according to claim 1 is characterized in that,
Above-mentioned light-emitting device has roughly discoid fixed head, and this fixed head is arranged at the rear side of the above-mentioned transparent body, and above-mentioned cap assembly is installed.
7. light-emitting device according to claim 6 is characterized in that,
The said fixing plate has thermal diffusivity.
8. light-emitting device according to claim 1 is characterized in that,
Light at the above-mentioned transparent body penetrates the scattering part that surface partly is formed with the frosted shape.
9. light-emitting device according to claim 8 is characterized in that,
Form above-mentioned scattering part by the coating that contains Chinese white.
10. light-emitting device according to claim 1 is characterized in that,
Above-mentioned light source is a light emitting diode.
11. light-emitting device according to claim 1 is characterized in that,
With the power supply of solar cell as above-mentioned light source.
12. light-emitting device according to claim 1 is characterized in that,
Above-mentioned light-emitting device is provided with the switch block of turning on light and turning off the light that is used to switch above-mentioned light source.
13. light-emitting device according to claim 1 is characterized in that,
The above-mentioned transparent body is a material with resin or glass.
14. a luminous object is characterized in that,
This luminous object uses each described light-emitting device in the claim 1～13.
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| JP2005-049817 | 2005-02-24 | ||
| JP2005049817 | 2005-02-24 | ||
| JP2005-231420 | 2005-08-09 |
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| CNA200680006099XA Division CN101128695A (en) | 2005-02-24 | 2006-02-24 | Light emitting device and light emitting object using the same |
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| CN101303113A true CN101303113A (en) | 2008-11-12 |
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| CNA2008100889462A Pending CN101303113A (en) | 2005-02-24 | 2006-02-24 | Light emitting device and light emitting object using the same |
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| CN105899868A (en) * | 2014-01-20 | 2016-08-24 | 奥斯兰姆奥普托半导体有限责任公司 | Lighting means having a specifiable emission characteristic and production method for an optical element |
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| WO2011091615A1 (en) * | 2010-01-31 | 2011-08-04 | Qin Houjing | Regulation type light source device |
| CN105899868A (en) * | 2014-01-20 | 2016-08-24 | 奥斯兰姆奥普托半导体有限责任公司 | Lighting means having a specifiable emission characteristic and production method for an optical element |
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| CN101128695A (en) | 2008-02-20 |
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