CN201170498Y - Light conduction device - Google Patents
Light conduction device Download PDFInfo
- Publication number
- CN201170498Y CN201170498Y CNU2007201820198U CN200720182019U CN201170498Y CN 201170498 Y CN201170498 Y CN 201170498Y CN U2007201820198 U CNU2007201820198 U CN U2007201820198U CN 200720182019 U CN200720182019 U CN 200720182019U CN 201170498 Y CN201170498 Y CN 201170498Y
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- China
- Prior art keywords
- light
- guiding device
- plane
- exit facet
- incidence
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a light-guide device, comprising a light-guide column, a light source and a load-carrier. Both the light-guide column and the light source are arranged inside the load carrier, and only the exit face of the light-guide column is made to emerge from the load carrier, and as a result, the overflow of light is avoided and the brightness is enhanced. The light-guide column is a cylindrical body with light conducting property; the light-guide column comprises a light incident surface, a light reflecting surface and a light exit surface which are arranged at different locations of the flank. An integrated optical structure is arranged on the light incident surface, the light reflecting surface and the light exit surface respectively; therefore, the light incident surface has light-source diffusion effect, the light reflecting surface has light-source reflecting effect, and the light exit surface has even guiding effect.
Description
Technical field
The utility model relates to a kind of guiding device that can be applicable to backlight module or direct illumination purposes.
Background technology
The use of backlight module is day by day extensive, as long as monitor, LCD TV, mobile computer ... Deng needing backlight to come the equipment of display frame all can use it.General backlight module includes a LGP usually, first side of LGP is provided with a reflector plate, second side surface opposite then is provided with a plurality of blooming pieces of being made up of diffusion sheet and prismatic lens etc., the side of LGP then is provided with light source, the light that light source sent is entered by the side projection of LGP, part light is reflected by reflector plate, penetrates by diffusion sheet and prismatic lens in regular turn again.Change speech, known backlight module, its leaded light component is flat LGP, but utilize the produced backlight module of flat LGP, its loss of light source is bigger, may make the picture of display unit produce the situation of brightness irregularities.
The utility model content
Main purpose of the present utility model is to provide a kind of guiding device that is applicable to as purposes backlight or lighting use.
The principal character of guiding device provided by the utility model, be to adopt material to make a column with excellent conducting light character, and form at this leaded light post and to have plane of light incidence, light reflecting surface and the beam projecting face that is positioned at its side diverse location, this plane of incidence, reflecting surface and exit facet are equipped with optical texture, make this plane of incidence have the light source diffusion effect, this reflecting surface has the light source reflecting effect, and this exit facet has light source and evenly derives effect; Described leaded light post is installed in the carrier together with light source again, and this leaded light post is except described exit facet exposes this carrier, and other parts are all coated by carrier or blooming, reduce the brightness of exit facet to avoid light leak.
The optical texture of described leaded light post, be when making this leaded light post, one-body moldedly go out such as luminous point, printing processing, laser processing, grating, light shields such as vee-cut, rhombus, brilliant, circle, semicircle, square, polygonals, or the atomizing processing etc., to reach optical effect with light refraction and reflection.
After described leaded light post and light source were located in the carrier, this light source can be affixed by the plane of incidence of leaded light post, and this directly enters ray cast the leaded light post as medium with light conductor; Light source also can keep a distance with the plane of incidence, sees through air and as medium the light projection is entered in the leaded light post.
The utility model is located at the plane of incidence of leaded light post, can be the plane, also can form serrated face or form have a plurality of semicircle grooves, the form of a plurality of ㄇ connected in stars.
The utility model is located at the reflecting surface of leaded light post side, it has a suitable angle, so that can reflect from the light that the plane of incidence is injected and penetrate from exit facet, this reflecting surface can be a plane, also can be to protrude cambered surface or aspheric surface convex globoidal, also can be cancave cambered surface or aspheric surface cancave cambered surface.
The utility model is located at the exit facet of leaded light post side, can be the cambered surface protruded or aspheric surface convex globoidal, cancave cambered surface or aspheric surface cancave cambered surface, plane, curved surface, polygonal face ... etc. various possible shapes.
The structure of the aforesaid plane of incidence, reflecting surface and exit facet can adopt the permutation and combination method collocation to implement.
Description of drawings
Fig. 1 is the three-dimensional assembled sectional view of first example structure of demonstration the utility model guiding device.
The three-dimensional exploded view that Fig. 2 concerns for the combination of components that shows Fig. 1.
Fig. 3 is the three-dimensional assembled sectional view of second example structure of demonstration the utility model guiding device.
Fig. 4 A is the embodiment sectional perspective schematic diagram on plane for the plane of incidence of the leaded light rod structure of demonstration the utility model first embodiment.
Fig. 4 B is the embodiment sectional perspective schematic diagram on plane for the plane of incidence of the leaded light rod structure of demonstration the utility model second embodiment.
Fig. 4 C is jagged embodiment sectional perspective schematic diagram for the plane of incidence of the leaded light rod structure of demonstration the utility model first embodiment.
Fig. 4 D is jagged embodiment sectional perspective schematic diagram for the plane of incidence of the leaded light rod structure of demonstration the utility model second embodiment.
Fig. 4 E has the embodiment sectional perspective schematic diagram of a plurality of semicircle grooves for the plane of incidence of the leaded light rod structure of demonstration the utility model first embodiment.
Fig. 4 F has the embodiment sectional perspective schematic diagram of a plurality of semicircle grooves for the plane of incidence of the leaded light rod structure of demonstration the utility model second embodiment.
Fig. 4 G has the embodiment sectional perspective schematic diagram of a plurality of ㄇ connected in stars for the plane of incidence of the leaded light rod structure of demonstration the utility model first embodiment.
Fig. 4 H has the embodiment sectional perspective schematic diagram of a plurality of ㄇ connected in stars for the plane of incidence of the leaded light rod structure of demonstration the utility model second embodiment.
Fig. 5 A is that the embodiment on plane looks closely schematic diagram for the reflecting surface that shows the utility model leaded light post.
Fig. 5 B looks closely schematic diagram for the reflecting surface that shows the utility model leaded light post for the embodiment that protrudes cambered surface.
Fig. 5 C is that the embodiment of cancave cambered surface looks closely schematic diagram for the reflecting surface that shows the utility model leaded light post.
Fig. 6 A looks closely schematic diagram for the exit facet that shows the utility model leaded light post for the embodiment that protrudes cambered surface.
Fig. 6 B is that the embodiment on plane looks closely schematic diagram for the exit facet that shows the utility model leaded light post.
Fig. 6 C is that the embodiment of cancave cambered surface looks closely schematic diagram for the exit facet that shows the utility model leaded light post.
Fig. 6 D is that the embodiment of curved surface looks closely schematic diagram for the exit facet that shows the utility model leaded light post.
Fig. 6 E is that the embodiment of polygonal face looks closely schematic diagram for the exit facet that shows the utility model leaded light post.
Fig. 7 is applied to the embodiment stereogram of lamp box for showing the utility model leaded light post.
Among the figure
1 leaded light post, 11 planes of incidence, 111 sawtooth, 112 semicircle grooves, 113 ㄇ connected in stars, 12 reflectings surface, 13 exit facets,
2 light sources, 21 circuit boards, 22LED, 3 carriers, 31 interior spaces, 4 lamp boxes, 5 diffuser plates
The specific embodiment
Following conjunction with figs. and assembly Reference numeral are done more detailed description to embodiment of the present utility model, make to be familiar with this technical field person and can to implement according to this after studying this specification carefully.
Fig. 1 and Fig. 2 are for showing first embodiment stereogram and the exploded view of guiding device of the present utility model, and it includes a leaded light post 1, at least one light source 2 and a carrier 3; Wherein this leaded light post 1 is the column that adopts the material possess excellent conducting light character to make, its radially section can be different shape, just, Fig. 1, Fig. 2 only show wherein a kind of shape, remaining embodiment will after disclosed in the accompanying drawing chatted.Light source 2 preferably adopts LED22 (light emitting diode), and those LED are located on the circuit board 21.Carrier 3 is made with the material of light-permeable not, and it has the interior space 31 that can hold leaded light post 1 and light source 2; Leaded light post 1 is installed in space 31 in this with light source 2.This Fig. 1, Fig. 2 have shown that leaded light post 1 of the present utility model has plane of light incidence 11, the light reflecting surface 12 and beam projecting face 13 that is positioned at its side diverse location, this plane of incidence 11, reflecting surface 12 and exit facet 13 equal one are provided with optical texture, make this plane of incidence 11 have the light source diffusion effect, this reflecting surface 12 has the light source reflecting effect, and this exit facet 13 has light source and evenly derives effect.Leaded light post 1 only makes the exit facet 13 of leaded light post 1 expose carrier 3 after being installed in the carrier 3 with light source 2, and all the other positions are then coated by carrier 3; After the light of light source 2 emissions was injected in the leaded light post 1 from the plane of incidence 11, light can conduct in the leaded light post, and part light can be penetrated by exit facet 13 by straight line, and part light then can be by penetrating from exit facet 13 after reflecting surface 12 reflections again.Described carrier 3 is to adopt a kind of board-like material of not light-permeable to make, and also can adopt the not blooming manufacturing of light-permeable.
Fig. 1, guiding device shown in Figure 2, after its leaded light post 1 was installed in the carrier 3 with light source, light source 2 directly was placed in the plane of incidence 11, is that medium conducts the light of injecting with leaded light post 1.Yet, the utility model also can be as shown in Figure 3, establish the volume of leaded light post 1 less, after making leaded light post 1 and light source 2 be installed in the carrier 3, the light source 2 and the plane of incidence 11 keep a distance, therefore, the light that light source 2 produces can air be that medium is injected the leaded light post from the plane of incidence 11 and conducted, and light is penetrated from exit facet through reflecting surface 12 reflections again.
Fig. 4 A to Fig. 4 H then shows some embodiment of the plane of incidence 11 of two kinds of leaded light posts of the utility model example structure.Wherein, Fig. 4 A and Fig. 4 B show that the plane of incidence 11 of first and second embodiment of leaded light post 1 can be a plane.Fig. 4 C and Fig. 4 D show that then the plane of incidence of first and second embodiment of leaded light post 1 can form a plurality of sawtooth 111.Fig. 4 E and Fig. 4 F show that then the plane of incidence of first and second embodiment of leaded light post 1 can form and has a plurality of semi-circular recesses 112.Fig. 4 G and Fig. 4 H show that then the plane of incidence of first and second embodiment of leaded light post 1 can form and has a plurality of ㄇ connected in stars 113.
Fig. 5 A to Fig. 5 C shows several embodiment of reflecting surface 12 of the present utility model, because the plane of incidence 11 can be any form with exit facet 13, and can cooperate with permutation and combination method and described reflecting surface 12, so reflecting surface 12 is represented with solid line, and the plane of incidence 11 is all represented with imaginary line with exit facet 13.Shown in Fig. 5 A, described reflecting surface 12 can be a plane; Protrusion cambered surface (or aspheric surface convex globoidal) that also can be shown in Fig. 5 B; It also can be the cancave cambered surface (or aspheric surface cancave cambered surface) shown in Fig. 5 C.
Fig. 6 A to Fig. 6 E shows several embodiment of exit facet 13 of the present utility model, because the plane of incidence 11 can be any form with reflecting surface 12, and can cooperate with permutation and combination method and described exit facet 13, so exit facet 13 is represented with solid line, and the plane of incidence 11 is all represented with imaginary line with reflecting surface 12.As shown in Figure 6A, described exit facet 13 can be the cambered surface of protruding (or aspheric surface convex globoidal); Also can be depicted as the plane as Fig. 6 B; Cancave cambered surface (or aspheric surface cancave cambered surface) that also can be shown in Fig. 6 C; Curved surface that also can be shown in Fig. 6 D; Polygonal face that also can be shown in Fig. 6 E.
Fig. 7 then shows and utilizes guiding device of the present utility model, can be installed in the lamp box 4, covers a diffuser plate 5 or a blooming again on lamp box 4, makes leaded light post 1 to throw light in lamp box.
The above person only is in order to explain preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to the utility model according to this; therefore, all have following of identical spirit do relevant any modification or change, all must be included in the category of the utility model intention protection.
Claims (23)
1. a guiding device is characterized in that, described guiding device includes:
One leaded light post, be one to have the column of conducting light character, this leaded light post has plane of light incidence, light reflecting surface and the beam projecting face that is positioned at its side diverse location, the equal one of this plane of incidence, reflecting surface and exit facet is provided with optical texture, make this plane of incidence have the light source diffusion effect, this reflecting surface has the light source reflecting effect, and this exit facet has light source and evenly derives effect;
One light source is located at the plane of incidence near this leaded light post;
One carrier is used to provide this leaded light post and light source located therein, and makes this exit facet expose this carrier, and all the other positions are then coated by this carrier.
2. guiding device according to claim 1 is characterized in that, the described plane of incidence is the plane.
3. guiding device according to claim 1 is characterized in that the described plane of incidence has a plurality of sawtooth.
4. guiding device according to claim 1 is characterized in that the described plane of incidence has a plurality of semi-circular recesses.
5. guiding device according to claim 1 is characterized in that, the described plane of incidence has a plurality of ㄇ connected in stars.
6. according to each described guiding device of claim 1 to 5, it is characterized in that described reflecting surface is the plane.
7. according to each described guiding device of claim 1 to 5, it is characterized in that described reflecting surface is for protruding cambered surface.
8. according to each described guiding device of claim 1 to 5, it is characterized in that described reflecting surface is a cancave cambered surface.
9. guiding device according to claim 6 is characterized in that, the cambered surface of described exit facet for protruding.
10. guiding device according to claim 7 is characterized in that, the cambered surface of described exit facet for protruding.
11. guiding device according to claim 8 is characterized in that, the cambered surface of described exit facet for protruding.
12. guiding device according to claim 6 is characterized in that, described exit facet is the plane.
13. guiding device according to claim 7 is characterized in that, described exit facet is the plane.
14. guiding device according to claim 8 is characterized in that, described exit facet is the plane.
15. guiding device according to claim 6 is characterized in that, described exit facet is a cancave cambered surface.
16. guiding device according to claim 7 is characterized in that, described exit facet is a cancave cambered surface.
17. guiding device according to claim 8 is characterized in that, described exit facet is a cancave cambered surface.
18. guiding device according to claim 6 is characterized in that, described exit facet is a curved surface.
19. guiding device according to claim 7 is characterized in that, described exit facet is a curved surface.
20. guiding device according to claim 8 is characterized in that, described exit facet is a curved surface.
21. guiding device according to claim 6 is characterized in that, described exit facet is the polygonal face.
22. guiding device according to claim 7 is characterized in that, described exit facet is the polygonal face.
23. guiding device according to claim 8 is characterized in that, described exit facet is the polygonal face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201820198U CN201170498Y (en) | 2007-12-07 | 2007-12-07 | Light conduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201820198U CN201170498Y (en) | 2007-12-07 | 2007-12-07 | Light conduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201170498Y true CN201170498Y (en) | 2008-12-24 |
Family
ID=40209551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201820198U Expired - Fee Related CN201170498Y (en) | 2007-12-07 | 2007-12-07 | Light conduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201170498Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086995A (en) * | 2009-12-08 | 2011-06-08 | 乐金显示有限公司 | Backlight unit and liquid crystal display device having the same |
| CN101625105B (en) * | 2009-08-10 | 2012-08-08 | 青岛海信移动通信技术股份有限公司 | Light guide column and mobile communication terminal with same |
| CN102943964A (en) * | 2012-10-11 | 2013-02-27 | 京东方科技集团股份有限公司 | LED (Light Emitting Diode) lamp tube |
| CN102947737A (en) * | 2010-06-17 | 2013-02-27 | 皇家飞利浦电子股份有限公司 | Illumination device with waveguide and LEDs |
| WO2021217523A1 (en) * | 2020-04-29 | 2021-11-04 | 深圳市大疆创新科技有限公司 | Electronic device |
-
2007
- 2007-12-07 CN CNU2007201820198U patent/CN201170498Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625105B (en) * | 2009-08-10 | 2012-08-08 | 青岛海信移动通信技术股份有限公司 | Light guide column and mobile communication terminal with same |
| CN102086995A (en) * | 2009-12-08 | 2011-06-08 | 乐金显示有限公司 | Backlight unit and liquid crystal display device having the same |
| US8508693B2 (en) | 2009-12-08 | 2013-08-13 | Lg Display Co., Ltd. | Backlight unit and liquid crystal display device having the same |
| CN102086995B (en) * | 2009-12-08 | 2014-04-16 | 乐金显示有限公司 | Backlight unit and liquid crystal display device having the same |
| CN102947737A (en) * | 2010-06-17 | 2013-02-27 | 皇家飞利浦电子股份有限公司 | Illumination device with waveguide and LEDs |
| US20130094240A1 (en) * | 2010-06-17 | 2013-04-18 | Koninklijke Philips Electronics N.V. | Illumination device with waveguide and leds |
| US9766385B2 (en) * | 2010-06-17 | 2017-09-19 | Philips Lighting Holding B.V. | Illumination device with waveguide and LEDs |
| CN102943964A (en) * | 2012-10-11 | 2013-02-27 | 京东方科技集团股份有限公司 | LED (Light Emitting Diode) lamp tube |
| WO2021217523A1 (en) * | 2020-04-29 | 2021-11-04 | 深圳市大疆创新科技有限公司 | Electronic device |
| CN114096780A (en) * | 2020-04-29 | 2022-02-25 | 深圳市大疆创新科技有限公司 | Electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081224 Termination date: 20101207 |