CN103712164A - Light conducting rod structure - Google Patents
Light conducting rod structure Download PDFInfo
- Publication number
- CN103712164A CN103712164A CN201210380186.9A CN201210380186A CN103712164A CN 103712164 A CN103712164 A CN 103712164A CN 201210380186 A CN201210380186 A CN 201210380186A CN 103712164 A CN103712164 A CN 103712164A
- Authority
- CN
- China
- Prior art keywords
- reflecting layer
- light
- rod structure
- guide rod
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a light conducting rod structure which comprises a light conducting rod, a first reflection layer and a second reflection layer. The first reflection layer is formed by extending along the periphery of the light conducting rod in an arc-shaped manner, the second reflection layer is formed by extending from two ends of the first reflection layer and along the periphery of the light conducting rod in an arc-shaped manner and used for being together with the first reflection layer to reflect light in the light conducting rod to enable the light to be emitted out from the light conducting rod, and refractivity of the first reflection layer is larger than that of the second reflection layer. Consequently, by the light conducting rod structure, the circumstance that two ends of the light conducting rod are too bright due to the fact that the reflection layers are excessively close to a light emitting diode component can be prevented, and lighting light uniformity of the light conducting rod is improved.
Description
Technical field
The present invention relates to a kind of light-guide rod structure, particularly relate to a kind of light-guide rod structure that improves illuminating ray uniformity and illumination zone.
Background technology
The at present common fluorescent tube equipment that is used for illumination is used fluorescent tube as illuminating source, but in recent years in order to meet environmental protection and energy-conservation demand, by lamp guide and light emitting diode (the Light Emitting Diode being arranged on the two ends of lamp guide, LED) light-emitting device that assembly forms replaces fluorescent tube gradually, its luminescent designs is mainly to utilize light that the reflective layer reflects light-emitting diode component on lamp guide launches to penetrate from lamp guide, the relevant design in reflecting layer can be as shown in Figure 1, the generalized section of its light-guide rod structure 10 that is prior art.As shown in Figure 1, light-guide rod structure 10 comprises a lamp guide 12 and a reflecting layer 14.Reflecting layer 14 is along curved the extending to form of periphery of lamp guide 12, be used for reflecting light in lamp guide 12 to penetrate from lamp guide 12, thereby provide the illumination with adequate brightness, wherein the center of circle angle [alpha] of the corresponding lamp guide 12 in reflecting layer 14 can be designed to be more than or equal to the lighting angle (approximating 120 °) of light-emitting diode component, for example 160 °, to reach the object of the illumination zone of further increase light-guide rod structure 10.
Yet, as shown in Figure 1, because adopting reflecting layer 14, light-guide rod structure 10 there is the design of uniform thickness, therefore, reflecting layer 14 can have respectively relatively high and relatively low brightness enhancing effect relatively approaching with the relative section away from light-emitting diode component, in other words, reflecting layer 14 will have stronger light reflection brightness at the section that more approaches light-emitting diode component, thus, if the center of circle angle [alpha] of the light-guide rod structure 10 corresponding lamp guides 12 in employing reflecting layer 14 is greater than the design of 120 ° to increase its integral illumination scope, now, because being greater than the section of 120 ° in corresponding center of circle angle, reflecting layer 14 too approached light-emitting diode component, therefore, this section will produce strong light reflection brightness, and then make light-guide rod structure 10 occur the excessively bright problem in two ends (the namely position of lamp guide 12 corresponding these sections) of illuminating ray uniformity variation and lamp guide 12.Although the problems referred to above can utilize the sleeved design of additional configuration in the light inlet side of lamp guide to improve, the problem that this design can bring again the assembly cost of light-guide rod structure to increase.
Summary of the invention
The invention provides a kind of light-guide rod structure, comprise a lamp guide, one first reflecting layer and one second reflecting layer.Described the first reflecting layer is along curved second reflecting layer that extends to form of periphery of described lamp guide, respectively from the two ends in described the first reflecting layer along curved the extending to form of periphery of described lamp guide, be used for penetrating from described lamp guide with the common light reflecting in described lamp guide in described the first reflecting layer, the reflectivity in described the first reflecting layer is greater than the reflectivity in described the second reflecting layer.
Described the first reflecting layer can be from described the second reflecting layer by identical or be comprised of different reflection materials respectively.
The thickness in described the first reflecting layer can be greater than the thickness in described the second reflecting layer.
The reflectivity in described the first reflecting layer can be greater than 85%, and the reflectivity in described the second reflecting layer can be less than 85%.
The center of circle angle of described the first corresponding described lamp guide in reflecting layer can equal 120 °, the center of circle angle of the corresponding described lamp guide of two sections that extend from the two ends in described the first reflecting layer in described the second reflecting layer and can equal 40 °.
Described lamp guide can be one-body molded in the mode of extrusion molding with described the first reflecting layer.
Described the second reflecting layer can be one-body molded in the mode of extrusion molding with described lamp guide and described the first reflecting layer.
Described the second reflecting layer can ink jet printing or the mode of the coating of spraying paint be formed on described lamp guide.
Described lamp guide can extrusion molding mode moulding, and described the first reflecting layer and described the second reflecting layer can ink jet printing or the mode of the coating of spraying paint be formed on described lamp guide.
Described the first reflecting layer and described the second reflecting layer can be doped with color particulates.
According to technique scheme, the present invention at least has following advantages and beneficial effect compared to prior art: the present invention adopts the reflectivity in the first reflecting layer to be greater than the design of the reflectivity in the second reflecting layer, with reach the light reflection brightness in the second reflecting layer that is bordering on light-emitting diode component of connecting can adjustment to the object consistent with the light reflection brightness in the first reflecting layer.Thus, the present invention can prevent from mentionedly in prior art because reflecting layer too approaches the excessively bright situation in lamp guide two ends that the cause of light-emitting diode component causes, occurring, thereby promotes the illuminating ray uniformity of light-guide rod structure.In addition, see through the configuration in the first reflecting layer and the second reflecting layer, light-guide rod structure provided by the present invention can provide relatively large illumination zone, whereby, the present invention can solve further user that illumination zone when light-guide rod structure produces when large not can be from the side of light-guide rod structure the visual problem to laying dust.
Accompanying drawing explanation
Fig. 1 is the generalized section of the light-guide rod structure of prior art;
The schematic diagram that Fig. 2 is the lighting apparatus that proposed according to one preferred embodiment of the present invention; And
Fig. 3 is that the light-guide rod structure of Fig. 2 is along the generalized section of hatching A-A '.
Wherein, description of reference numerals is as follows:
10,106 light-guide rod structure 12,108 lamp guides
14 reflecting layer 100 lighting apparatus
102 housing 104 light-emitting diode components
110 first 112 second reflecting layer, reflecting layer
α, β, γ
1, γ
2center of circle angle
The specific embodiment
On the lighting apparatus of the design of the light emitting diode at least one end that light-guide rod structure provided by the present invention can be applicable to adopt lamp guide and be arranged at lamp guide, for instance, please refer to Fig. 2, its schematic diagram that is the lighting apparatus 100 that proposes according to one embodiment of the invention, as shown in Figure 2, lighting apparatus 100 comprises that a housing 102, at least one light-emitting diode component 104(show one in Fig. 2, but not limit by this) and a light-guide rod structure 106.For asking the intraware of knowing display lighting equipment 100, housing 102 shows it with dotted line in Fig. 2, housing 102 can adopt the general common light steelframe housing design being applied on lighting apparatus, light-emitting diode component 104 is arranged in housing 102, is used for emission of light to be incident to light-guide rod structure 106.As for the structural design of housing 102 and the interlock circuit assembly of light-emitting diode component 104 and cabling design, it is common in prior art, therefore repeat no more in this.
Structural design in this for light-guide rod structure 106 is described in detail, and please refer to Fig. 2 and Fig. 3, and the light-guide rod structure 106 that Fig. 3 is Fig. 2 is along the generalized section of hatching A-A '.As shown in Figures 2 and 3, light-guide rod structure 106 arranges in housing 102, and the light launched to receive light-emitting diode component 104 of a side that is positioned at light-emitting diode component 104.Light-guide rod structure 106 comprises a lamp guide 108, one first reflecting layer 110 and one second reflecting layer 112.Lamp guide 108 can by high light-conductive rate material (as acryl material etc.) form, the first reflecting layer 110 is along curved the extending to form of periphery of lamp guide 108, the second reflecting layer 112 be respectively from the two ends in the first reflecting layer 110 along curved the extending to form of periphery of lamp guide 108, that is to say, in this embodiment, it is relatively away from light-emitting diode component 104 that the second reflecting layer 112 approaches light-emitting diode component 104, the first reflecting layer 110 relatively.The second reflecting layer 112 be used for the common reflection in the first reflecting layer 110 lamp guide 108 in light to penetrate from lamp guide 108, in this embodiment, the center of circle angle beta of the first corresponding lamp guide 108 in reflecting layer 110 preferably equals 120 ° (but not limit by this), the center of circle angle γ of the corresponding lamp guide 108 of two sections that extend from the two ends in the first reflecting layer 110 respectively in the second reflecting layer 112
1with γ
2and preferably equal 40 ° (but not limit by this).
In addition, the reflectivity in light-guide rod structure 106 employing the first reflecting layer 110 is greater than the design of the reflectivity in the second reflecting layer 112, to bring into play the light reflection brightness adjusting in the second reflecting layer 112 to the effect consistent with the light reflection brightness in the first reflecting layer 110.In more detail, in this embodiment, the first reflecting layer 110 can be comprised of identical reflection material with the second reflecting layer 112, whereby, light-guide rod structure 106 can utilize the thickness in the first reflecting layer 110 to be greater than the design (as shown in Figure 3) of the thickness in the second reflecting layer 112, the reflectivity that produces the first reflecting layer 110 is greater than the effect of the reflectivity in the second reflecting layer 112, in actual applications, according to practical experience of the present invention, the reflectivity in the first reflecting layer 110 is preferably more than 85%, the reflectivity in the second reflecting layer 112 is preferably less than 85%, thereby reach preferably light reflection brightness adjusting effect.In other words, the present invention utilizes the reflectivity in the first reflecting layer 110 to be greater than the design of the reflectivity in the second reflecting layer 112, mentioned because reflecting layer too approaches the excessively bright problem in lamp guide two ends that cause was caused of light-emitting diode component to solve in prior art, thus reach the object that the light reflection brightness in the second reflecting layer 112 can be consistent with the light reflection brightness in the first reflecting layer 110.
Except can adopt the first reflecting layer 110 to be formed by identical reflection material with the second reflecting layer 112 and thickness that the thickness in the first reflecting layer 110 is greater than the second reflecting layer 112 so that the reflectivity in the first reflecting layer 110 is greater than the design of reflectivity in the second reflecting layer 112, light-guide rod structure 106 also can change and adopts the first reflecting layer 110 to be comprised of so that the reflectivity in the first reflecting layer 110 is greater than the design of the reflectivity in the second reflecting layer 112 different reflection materials from the second reflecting layer 112.
Moulding as for lamp guide 108, the first reflecting layer 110 and the second reflecting layer 112, it can adopt common one-body molded processing procedure to complete, for instance, it can adopt extrusion molding (Extrusion Molding), in brief, the present invention can utilize extruder (Extruder) by the composition material heating and melting in lamp guide 108, the first reflecting layer 110 and the second reflecting layer 112 to form after melt substance, from thering is the specific stock mould that goes out mouth-shaped, continuously extrude respectively again, thereby form the goods (being light-guide rod structure 106) with length-specific.
Should be noted, except above-mentioned, utilize the moulding that extrusion molding processing procedure completes light-guide rod structure, the present invention also can use other common reflecting layer molding manufacture procedure (as ink jet printing, the coating etc. of spraying paint) to complete the moulding in the first reflecting layer 110 and the second reflecting layer 112, or can use different molding manufacture procedures to carry out respectively the moulding in lamp guide 108, the first reflecting layer 110 and the second reflecting layer 112.For instance, lamp guide 108 and the first reflecting layer 110 can utilize the mode of extrusion molding one-body molded, and the second reflecting layer 112 is can change the mode of using ink jet printing or spraying paint coating to be formed on lamp guide 108; Or, lamp guide 108 can utilize the mode of extrusion molding to form, the mode that the first reflecting layer 110 can change with ink jet printing or the coating of spraying paint is formed on lamp guide 108, and the second reflecting layer 112 can also ink jet printing or the mode of the coating of spraying paint be formed on lamp guide 108.
By the design in above-mentioned the first reflecting layer 110 and the second reflecting layer 112, the reflectivity of adding the first reflecting layer 110 is greater than the design of the reflectivity in the second reflecting layer 112, when light-emitting diode component 104 emission of lights in lamp guide 108 when being incident to respectively the first reflecting layer 110 and the second reflecting layer 112, light-guide rod structure 106 can utilize the light scattered reflection characteristic in the first reflecting layer 110 and the second reflecting layer 112 to produce light luminance brightening effect, now, because the reflectivity in the second reflecting layer 112 is less than the reflectivity in the first reflecting layer 110, therefore, the second reflecting layer 112 will have relatively low brightness brightening effect, and the first reflecting layer 110 will have relatively high brightness brightening effect.
Thus, even if the light that the second reflecting layer 112 is reflected can occur that because too approach the cause of light-emitting diode component 104 obvious brightness strengthens phenomenon, light-guide rod structure 106 can utilize the reflectivity in above-mentioned the second reflecting layer 112 to be less than the design of the reflectivity in the first reflecting layer 110, with reach the light reflection brightness in the second reflecting layer 112 that is bordering on light-emitting diode component 104 of connecting can adjustment to the object consistent with the light reflection brightness in the first reflecting layer 110, thereby promote the illuminating ray uniformity of light-guide rod structure 106, and prevent that the excessively bright situation in two ends that too approaches the lamp guide 108 that the cause of light-emitting diode component 104 causes because of the second reflecting layer 112 from occurring simultaneously.In addition, see through the first reflecting layer 110 and the second corresponding lamp guide 108 in reflecting layer 112 center of circle angle and (in this embodiment, be 160 °, but not limit by this) be greater than the design of the lighting angle (approximating 120 °) of light-emitting diode component 104, light-guide rod structure 106 can provide relatively large illumination zone, whereby, the present invention can solve further user that illumination zone when light-guide rod structure produces when large not can be from the side of light-guide rod structure the visual problem to laying dust.
It is worth mentioning that, light-guide rod structure can additionally adopt the design of the color particulate that adulterates in the first reflecting layer 110 and the second reflecting layer 112, so that the light that the first reflecting layer 110 and the second reflecting layer 112 are reflected produces neon effect, in addition, the present invention can further adopt the color of the light that the first reflecting layer 110 reflects to differ from the design (the particulate of different colours is mixed respectively in the first reflecting layer 110 and the second reflecting layer 112) of the color of the light reflecting in the second reflecting layer 112, so that having more stereovision, the emitted light of light-guide rod structure 106 is applicable to situation illumination.In other embodiments, can change by the mode that colour band layer is formed on reflecting layer and reach above-mentioned neon effect, in more detail, above-mentioned colour band layer can be comprised of the material of low absorptance, high transmittance, the polymer of cross-linked (cross-linked) for example, use and make incident ray produce scattering and diffusion, add the belt course design with particular color (as redness) of colour band layer, thereby make light produce neon effect.
Compared to prior art, the present invention adopts the reflectivity in the first reflecting layer to be greater than the design of the reflectivity in the second reflecting layer, with reach the light reflection brightness in the second reflecting layer that is bordering on light-emitting diode component of connecting can adjustment to the object consistent with the light reflection brightness in the first reflecting layer.Thus, the present invention can prevent from mentionedly in prior art because reflecting layer too approaches the excessively bright situation in lamp guide two ends that the cause of light-emitting diode component causes, occurring, thereby promotes the illuminating ray uniformity of light-guide rod structure.In addition, see through the configuration in the first reflecting layer and the second reflecting layer, light-guide rod structure provided by the present invention can provide relatively large illumination zone, whereby, the present invention can solve further user that illumination zone when light-guide rod structure produces when large not can be from the side of light-guide rod structure the visual problem to laying dust.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a light-guide rod structure, is characterized in that, described light-guide rod structure comprises:
One lamp guide;
One first reflecting layer, along curved the extending to form of periphery of described lamp guide; And
One second reflecting layer, respectively from the two ends in described the first reflecting layer along curved the extending to form of periphery of described lamp guide, be used for penetrating from described lamp guide with the common light reflecting in described lamp guide in described the first reflecting layer, the reflectivity in described the first reflecting layer is greater than the reflectivity in described the second reflecting layer.
2. light-guide rod structure as claimed in claim 1, is characterized in that, described the first reflecting layer and described the second reflecting layer are by identical or be comprised of different reflection materials respectively.
3. light-guide rod structure as claimed in claim 1, is characterized in that, the thickness in described the first reflecting layer is greater than the thickness in described the second reflecting layer.
4. light-guide rod structure as claimed in claim 1, is characterized in that, the reflectivity in described the first reflecting layer is greater than 85%, and the reflectivity in described the second reflecting layer is less than 85%.
5. light-guide rod structure as claimed in claim 1, it is characterized in that, the center of circle angle of described the first corresponding described lamp guide in reflecting layer equals 120 °, the center of circle angle of the corresponding described lamp guide of two sections that extend from the two ends in described the first reflecting layer in described the second reflecting layer and equal 40 °.
6. light-guide rod structure as claimed in claim 1, is characterized in that, described lamp guide and described the first reflecting layer are one-body molded in the mode of extrusion molding.
7. light-guide rod structure as claimed in claim 6, is characterized in that, described the second reflecting layer and described lamp guide and described the first reflecting layer are one-body molded in the mode of extrusion molding.
8. light-guide rod structure as claimed in claim 6, is characterized in that, described the second reflecting layer is formed on described lamp guide in the mode of ink jet printing or the coating of spraying paint.
9. light-guide rod structure as claimed in claim 1, is characterized in that, described lamp guide is with the mode moulding of extrusion molding, and described the first reflecting layer and described the second reflecting layer are formed on described lamp guide in the mode of ink jet printing or the coating of spraying paint.
10. light-guide rod structure as claimed in claim 1, is characterized in that, described the first reflecting layer and described the second reflecting layer are doped with color particulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210380186.9A CN103712164A (en) | 2012-10-09 | 2012-10-09 | Light conducting rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210380186.9A CN103712164A (en) | 2012-10-09 | 2012-10-09 | Light conducting rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103712164A true CN103712164A (en) | 2014-04-09 |
Family
ID=50405354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210380186.9A Pending CN103712164A (en) | 2012-10-09 | 2012-10-09 | Light conducting rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103712164A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500059A (en) * | 2016-12-22 | 2017-03-15 | 朱正国 | Optical element |
| CN115930126A (en) * | 2015-03-02 | 2023-04-07 | 巴斯特与潘奇有限责任公司 | Bulb and method for manufacturing bulb |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997020170A1 (en) * | 1995-11-29 | 1997-06-05 | Minnesota Mining And Manufacturing Company | Uniform bi-directional dependent line light source via controlled partial reflection |
| CN1661399A (en) * | 2004-02-24 | 2005-08-31 | 精碟科技股份有限公司 | Pholoconductive tube |
| CN1865799A (en) * | 2005-05-20 | 2006-11-22 | Lg电子株式会社 | Combined illumination and ventilation duct |
| CN201606697U (en) * | 2010-01-05 | 2010-10-13 | 胜华科技股份有限公司 | Light guide rod and lighting component with same |
-
2012
- 2012-10-09 CN CN201210380186.9A patent/CN103712164A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997020170A1 (en) * | 1995-11-29 | 1997-06-05 | Minnesota Mining And Manufacturing Company | Uniform bi-directional dependent line light source via controlled partial reflection |
| CN1661399A (en) * | 2004-02-24 | 2005-08-31 | 精碟科技股份有限公司 | Pholoconductive tube |
| CN1865799A (en) * | 2005-05-20 | 2006-11-22 | Lg电子株式会社 | Combined illumination and ventilation duct |
| CN201606697U (en) * | 2010-01-05 | 2010-10-13 | 胜华科技股份有限公司 | Light guide rod and lighting component with same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115930126A (en) * | 2015-03-02 | 2023-04-07 | 巴斯特与潘奇有限责任公司 | Bulb and method for manufacturing bulb |
| CN106500059A (en) * | 2016-12-22 | 2017-03-15 | 朱正国 | Optical element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3270050B1 (en) | Fiber optic light panel with homogeneous light output | |
| KR101857776B1 (en) | Light source with leds, light guide and reflector | |
| CN101313174A (en) | Lighting device | |
| CN101334134A (en) | Optical wand -type LED lighting source | |
| CN105333334A (en) | LED light bar and liquid crystal display module | |
| JP2003297109A (en) | Linear illuminator | |
| CN204786019U (en) | Modified car light light ring structure | |
| CN103672537A (en) | LED light bar, backlight module and display device | |
| CN103712164A (en) | Light conducting rod structure | |
| CN101706044A (en) | led backlight module | |
| CN101876404A (en) | Light guide device | |
| KR101363938B1 (en) | Tail Light Of Car | |
| JP2002367404A (en) | Linear light emitter | |
| CN100489623C (en) | Backlight source device | |
| CN202791815U (en) | Light-guide and color-change diffusion structure | |
| CN210601442U (en) | Novel transparent light guide structure | |
| JP2002367403A (en) | Linear light emitter | |
| CN103925488A (en) | Light guide lamp and manufacturing method thereof | |
| CN209295035U (en) | A kind of light guide and lamps and lanterns | |
| CN204141288U (en) | A kind of panel light of multifaceted light-emitting | |
| KR101025553B1 (en) | A traffic light with led surface luminous device | |
| CN201374030Y (en) | Backlight module and luminous keyboard | |
| CN103453444A (en) | Light guide rod structure | |
| CN102878531A (en) | Light guiding and color changing diffusion layer | |
| CN204213772U (en) | A kind of illumination module and there is the lighting of this illumination module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140409 |