CN102734750A - Strip-shaped light-emitting pole - Google Patents
Strip-shaped light-emitting pole Download PDFInfo
- Publication number
- CN102734750A CN102734750A CN2012101855031A CN201210185503A CN102734750A CN 102734750 A CN102734750 A CN 102734750A CN 2012101855031 A CN2012101855031 A CN 2012101855031A CN 201210185503 A CN201210185503 A CN 201210185503A CN 102734750 A CN102734750 A CN 102734750A
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- light guide
- light
- guide section
- guide part
- emergent
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Abstract
The invention relates to a strip-shaped light-emitting pole which comprises a light guide piece and a point light source, wherein the light guide piece consists of a strip-shaped emergent part, a first light guide part and a second light guide part, wherein the first light guide part is integrally extended from the incident surface of the emergent part, and the second light guide part is integrally extended from the incident surface of the first light guide part. A containing groove is arranged at the tail end of the second light guide part and internally provided with the point light source, the incident surface and the emergent surface of the emergent part are opposite; the incident surface and the emergent surface of the first light guide part are basically perpendicular; and the incident surface and the emergent surface of the second light guide part are opposite. At least one surface of the first light guide part and the second light guide part, expect for the incident surface and the emergent surface is arranged as a reflective surface. According to the strip-shaped light-emitting pole provided by the invention, the two light guide parts are directly arranged on the light-emitting pole according to the light transmission principle; and the reflective surface arranged on each light guide part can be utilized to progressively reflect light emitted by the point light source, so that the emergent light of the light-emitting pole is uniform and the point light source can not be seen.
Description
Technical field
The present invention relates to light source and light guide, especially a kind of strip Column being luminous.
Background technology
Existing a lot of electronic product, for example the edge of DVD player or television set or light fixture all disposes the strip Column being luminous.These Column being luminous generally comprise the light-passing board of rectangle strip and are arranged on light-passing board spot light afterwards to be formed, and non-uniform light is arranged usually, externally can see the phenomenon of spot light, has influenced the outward appearance of illumination effect and electronic product.Also have some products to try one's best evenly, can adopt a plurality of spot lights to be arranged in together usually for the Column being luminous that guarantees this strip is luminous, irradiation luminous post of while, this design causes producing assembling can expend more man-hour, and product cost rises simultaneously.
Summary of the invention
The object of the present invention is to provide and a kind ofly need not to increase spot light quantity and can reach luminous uniform strip Column being luminous.
A kind of strip Column being luminous, it comprises light guide and spot light.Said light guide comprises elongated light out part, first light guide section that extends from the incidence surface one of light out part and second light guide section that extends from the incidence surface one of first light guide section.The end of second light guide section has accepting groove, is provided with spot light in the said accepting groove.The incidence surface of said light out part is relative with its exiting surface; The incidence surface of said first light guide section is vertical basically with its exiting surface; The incidence surface of said second light guide section is relative with its exiting surface.Said first light guide section and second light guide section are except that its incidence surface and exiting surface, and the one side at least in its lap is set to reflecting surface.
In a preferred embodiment, the reflecting surface relative with its exiting surface of said first light guide section is the arc of evagination.
In a preferred embodiment, the width of the exiting surface of said first light guide section is greater than the width of the reflecting surface relative with it.
In a preferred embodiment, on the direction of its incidence surface, said second light guide section is progressively contraction-like basically at the exiting surface of said second light guide section.
In a preferred embodiment, be coated with reflecting coating on said at least one reflecting surface.
In a preferred embodiment, sticked reflecting paper or form reflecting surface on said at least one reflecting surface through shining line.
Strip Column being luminous of the present invention is according to the propagation principle of light; Two light guide sections directly are set on Column being luminous, reflecting surface all is set on each light guide section, utilize these reflectings surface light of sending of pip light source step by step; Thereby make the bright dipping of Column being luminous more even, can't see spot light.
Description of drawings
Fig. 1 is the stereogram of the strip Column being luminous of an embodiment.
Fig. 2 is the stereogram at another visual angle of strip Column being luminous.
The specific embodiment
To combine specific embodiment and accompanying drawing that strip Column being luminous of the present invention is described in further detail below.
As depicted in figs. 1 and 2, in the preferred embodiment, the strip Column being luminous comprises light guide and spot light 40.The light guide body is that transparent material is processed, for example glass or resin or plastics.Spot light 40 can be LED (light emitting diode, light emitting diode) lamp.
Wherein light guide can be divided into three parts: light out part 10, first light guide section 20 and second light guide section 30.Light out part 10 is elongated substantially, and its cross section can be polygons such as square, rectangle, also can be semicircle or approximate half-circular, and its cross section is a square in the present embodiment.The exiting surface 11 of light out part 10 is relative with its incidence surface 12; If the cross section of light out part 10 is a square or rectangular; Then its exiting surface and incidence surface are respectively the opposite side of square or rectangular, if the cross section of light out part 10 is a polygon, then its exiting surface can be one or more with the limit on incidence surface limit of living in; If the cross section of light out part 10 is semicircle or approximate half-circular, then its exiting surface links to each other with the incidence surface dual-side.
First light guide section 20 extends from incidence surface 12 one of light out part 10, and incidence surface 12 is simultaneously also as the exiting surface of first light guide section 20.First light guide section 20 also is a strip, its incidence surface 23 and its exiting surface, and promptly incidence surface 12 is vertical basically.First light guide section 20 with incidence surface 12 relative one sides 21 be reflecting surface, and be the arc of evagination, be used for projection light is above that reflexed to incidence surface 12 more concentratedly.From cross section; The width of incidence surface 12 is greater than the width of the reflecting surface relative with it 21; And first light guide section 20 is polygon substantially; Its width is 21 basically progressively increases from incidence surface 12 to reflecting surface, make light through getting into incidence surface 12 after the reflection step by step thereby form a plurality of reflectings surface and have enough spaces.In the present embodiment, all be arranged to reflecting surface on all the other surfaces of exposing of first light guide section 20, can be through applying reflecting coating (for example coating such as white or silver color grease) or pasting reflective sheeting or form reflecting surface through shining line.
Second light guide section 30 extends from incidence surface 23 one of first light guide section 20, and incidence surface 23 is simultaneously also as the exiting surface of second light guide section 30.The end of second light guide section 30 has accepting groove 31.Spot light 40 is arranged in the accepting groove 31.The inwall of accepting groove 31 is oppositely arranged with incidence surface 23 as the incidence surface of second light guide section 30 basically.On the direction of its incidence surface, second light guide section 30 is progressively contraction-like basically at the exiting surface of second light guide section 30.Concrete; In the present embodiment; On the direction from exiting surface to its incidence surface; Two relative sides 32 of its incidence surface of the connection of second light guide section 30 and exiting surface are progressively approaching, and side 32 and the upper and lower surface that connects side 32 be reflecting surface, thereby can the light that get into second light guide section 30 progressively be reflexed to first light guide section 20.
Strip Column being luminous of the present invention is through directly being provided with reflecting surface (on mould, directly making) on the Column being luminous; Change light source through reflecting surface in light-emitting area by original direct irradiation and to reflect; Improve original Column being luminous and seen from the outside, can see luminous source point, and the phenomenon of non-uniform light.Through this design, also reduce the use number of some light emitting source, and deleted simultaneously supporting P plate, winding displacement, foam-rubber cushion and optical filter etc. have lowered purchase cost.Through this design, also make the structure of Column being luminous become simpler, assembling more easily aborning, thus cause the minimizing in man-hour, improved production efficiency.Wherein, the reflecting surface quantity on the Column being luminous is indefinite, can be according to the realistic situation setting.The angle of each reflecting surface also can change.
Though the description of this invention combines above specific embodiment to carry out,, those skilled in the art that can carry out many replacements, modification and variation according to above-mentioned content, be conspicuous.Therefore, all are such substitute, improve and change all is included in the spirit and scope of attached claim.
Claims (6)
1. strip Column being luminous; Comprise light guide and spot light; It is characterized in that; Said light guide comprises elongated light out part, first light guide section that extends from the incidence surface one of light out part and second light guide section that extends from the incidence surface one of first light guide section, and the end of second light guide section has accepting groove, is provided with spot light in the said accepting groove; The incidence surface of said light out part is relative with its exiting surface; The incidence surface of said first light guide section is vertical basically with its exiting surface; The incidence surface of said second light guide section is relative with its exiting surface; Said first light guide section and second light guide section are except that its incidence surface and exiting surface, and its lap all is set to reflecting surface.
2. strip Column being luminous according to claim 1 is characterized in that, the reflecting surface relative with its exiting surface of said first light guide section is the arc of evagination.
3. strip Column being luminous according to claim 2 is characterized in that the width of the exiting surface of said first light guide section is greater than the width of the reflecting surface relative with it.
4. strip Column being luminous according to claim 1 is characterized in that, on the direction of its incidence surface, said second light guide section is progressively contraction-like basically at the exiting surface of said second light guide section.
5. strip Column being luminous according to claim 1 is characterized in that, is coated with reflecting coating on said at least one reflecting surface.
6. strip Column being luminous according to claim 1 is characterized in that, has sticked reflecting paper on said at least one reflecting surface or has formed reflecting surface through shining line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101855031A CN102734750A (en) | 2012-06-07 | 2012-06-07 | Strip-shaped light-emitting pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101855031A CN102734750A (en) | 2012-06-07 | 2012-06-07 | Strip-shaped light-emitting pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102734750A true CN102734750A (en) | 2012-10-17 |
Family
ID=46990736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101855031A Pending CN102734750A (en) | 2012-06-07 | 2012-06-07 | Strip-shaped light-emitting pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102734750A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010017773A1 (en) * | 2000-02-08 | 2001-08-30 | Minebea Co., Ltd | Spread illuminating apparatus |
| US20070171678A1 (en) * | 2006-01-23 | 2007-07-26 | Sung-Kyu Shim | Light guiding unit and backlight assembly having the same |
| JP2008097901A (en) * | 2006-10-10 | 2008-04-24 | Nippon Seiki Co Ltd | Lighting system |
| CN101738674A (en) * | 2008-11-20 | 2010-06-16 | 扬昕精密股份有限公司 | Light guide plate and backlight module |
-
2012
- 2012-06-07 CN CN2012101855031A patent/CN102734750A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010017773A1 (en) * | 2000-02-08 | 2001-08-30 | Minebea Co., Ltd | Spread illuminating apparatus |
| US20070171678A1 (en) * | 2006-01-23 | 2007-07-26 | Sung-Kyu Shim | Light guiding unit and backlight assembly having the same |
| JP2008097901A (en) * | 2006-10-10 | 2008-04-24 | Nippon Seiki Co Ltd | Lighting system |
| CN101738674A (en) * | 2008-11-20 | 2010-06-16 | 扬昕精密股份有限公司 | Light guide plate and backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121017 |