CN201439888U - Curved light guide light source - Google Patents
Curved light guide light source Download PDFInfo
- Publication number
- CN201439888U CN201439888U CN2009201471001U CN200920147100U CN201439888U CN 201439888 U CN201439888 U CN 201439888U CN 2009201471001 U CN2009201471001 U CN 2009201471001U CN 200920147100 U CN200920147100 U CN 200920147100U CN 201439888 U CN201439888 U CN 201439888U
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- Prior art keywords
- curved surface
- light
- lgp
- light guide
- guide plate
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- Expired - Fee Related
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- 238000009792 diffusion process Methods 0.000 claims abstract description 21
- 238000004020 luminiscence type Methods 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a curved light guide type light source, which belongs to the electrical system, and mainly comprises a curved light guide plate, a diffusion sheet and a reflection sheet, wherein the curved light guide plate is provided with a plurality of light emitting components on at least one side, the curved light guide plate is a rough surface on one side surface, the rough surface can scatter light and change the light path, and a plurality of V-shaped grooves are formed on the outer side surface, therefore, when the light source generated by the light emitting components on one side of the light guide plate is reflected by the surface of the rough surface on the inner side of the light guide plate to change the light path, the outer side of the light guide plate is a curved surface, so that the reflected light source can be emitted through the curved surface to provide a wide-angle irradiation area, in addition, the V-shaped grooves and the diffusion sheet can be arranged on the outer side surface of the light guide plate, the light reflected by the V-shaped grooves to the side surface outside the curved light guide plate can be further increased in diffusion angle, to provide a wider irradiation area; the reflecting area on the inner side surface of the curved surface light guide plate can enable the light of the light-emitting component to be uniformly distributed, and the purpose of improving the illumination is further achieved.
Description
Technical field
The utility model belongs to electric information, and particularly a kind of curved surface light-guiding type lamp source refers to a kind of curved surface light-guiding type lamp source that can significantly promote integral illumination brightness and scope especially.
Background technology
Direct type light guide plate commonly used, as shown in Figure 1, this lighting device 1 is to be made up of diffuser plate 10, circuit board 12 and light emitting diode 14, wherein on circuit board 12, be equiped with a plural number light emitting diode 14, and regard to light emitting diode 14 places and be equiped with diffuser plate 10, therefore when the light that is given out from light emitting diode 14 then direct irradiation in diffuser plate 10, and light led be incident upon the outside, to reach illuminating effect, if then must change light emitting diode 14 a fairly large number of circuit boards in addition when needing to increase brightness, can reach the effect of high illumination.
Yet above-mentioned direct type light guide plate exists following point and defective when using, and needs further to be improved:
1, the quantity of the light emitting diode 14 of this kind structure can have influence on the integral illumination degree.
2, because this kind light structures is the straight-down negative illumination, when if light emitting diode 14 putting positions are asymmetric or unequal, then can cause the uneven situation of light to produce, the user can see one one LEDs bright spot, brightness is lower between LED and the LED, forms uneven light.
3, because of the light that light emitting diode 14 shone is straight light source according to formula, so the area that light threw light on is less relatively, can't promote illumination zone.
The utility model content
The utility model main purpose is to provide a kind of curved surface light-guiding type lamp source, solve existing direct type light guide plate quantity owing to light emitting diode when using and to have influence on the integral illumination degree, and this kind straight-down negative light structures, when if the light emitting diode putting position is asymmetric or unequal, then can cause the uneven situation of light to produce, form uneven light; And be straight light source because of light that light emitting diode shone according to formula, therefore the area that light threw light on is less relatively, can't promote the problem of illumination zone, and owing to utilize curved surface light-guiding type lamp source, reach the increase illumination zone, therefore can use minimum light emitting diode (LED) to reach maximum illuminating effect; Utilize the echo area can allow the light of light emitting diode (LED) evenly distribute simultaneously, and then reach the lifting illuminance; Because echo area density increases the path with change light gradually, and then control luminosity and angle.
Curved surface light-guiding type lamp source constitutes, it mainly is by the curved surface LGP, diffusion sheet and reflector plate are formed, its mean camber LGP is provided with plural luminescence component, and make the matsurface of a change light travel path in the curved surface LGP, this matsurface can allow light produce scattering and change the path of its light, plural V-groove and diffusion sheet have then been made in lateral surface, therefore when the reflecting layer acceptance that is coated in curved surface LGP medial surface during from the light of luminescence component, can light be changed course by coarse echo area makes these light that are reflected to penetrate by this district's face, the irradiated area of wide-angle is provided, in addition, utilize V-groove light to be reflexed to the lateral surface that is coated in the curved surface LGP again, light after diffusion sheet can will be reflected simultaneously increases the diffusion angle, so that bigger irradiated area to be provided.
The structure in curved surface light-guiding type lamp source comprises: a curved surface LGP, this curved surface LGP is provided with plural luminescence component in the end limit, and wherein make one for the echo area that changes light path in a side in this curved surface LGP, and a reflecting layer, these reflection series of strata are coated in a wherein side of this curved surface LGP;
The curved surface LGP is provided with plural luminescence component in the corresponding end limit on above-mentioned end limit;
The side then is formed with plural vee-cut outside the curved surface LGP;
Luminescence component is a light emitting diode;
The echo area further is matsurface, concave point or one of them person of site district.
The curved surface LGP is transparent or semitransparent one of them person;
The side is coating one diffusion sheet outside the curved surface LGP;
The side is coating one prismatic lens outside the curved surface LGP;
Reflection series of strata one reflector plate, and directly be coated in a wherein side of this curved surface LGP;
Wherein this reflecting layer forms the wherein side of a thin metal reflecting layer in this curved surface LGP with evaporation or sputter process.
Advantage of the present utility model is: finish light reflected, then can utilize the vee-cut on the curved surface LGP lateral surface to reflect again to promote illuminance once more, and light reflected is incident upon diffusion sheet, and make light can increase the light range of exposures by diffusion sheet, and the light transmittance of above-mentioned curved surface LGP can determine to irradiate the number of light with the control shading value, like this, utilize diffusion sheet can reach the increase illumination zone, therefore can use minimum luminescence component, reach best illuminating effect, echo area by curved surface LGP medial surface can allow the light of luminescence component evenly distribute in addition, and then reaches the purpose that promotes illuminance.
Description of drawings:
Fig. 1 is existing direct type light guide plate structure schematic diagram commonly used;
Fig. 2 is provided with the schematic perspective view of plural LED in curved surface LGP both sides for the utility model;
Fig. 3 is the utility model perspective exploded view;
Fig. 4 is provided with the opticpath schematic diagram of plural LED structure for the utility model curved surface LGP both sides;
Fig. 5 is the curved surface LGP two ends installing LED of another embodiment of the utility model, and the installing diffusion sheet is in the schematic perspective view of curved surface LGP lateral surface;
Fig. 6 is the opticpath schematic diagram of the utility model structure;
Fig. 7 is the utility model structural representation of the curved surface LGP outside mask V-groove of an embodiment again;
Fig. 8 is the schematic perspective view of the utility model in curved surface LGP outside mask V-groove LGP;
Fig. 9 changes the structural representation of position for V-groove.
The specific embodiment:
As accompanying drawing 2 to shown in the accompanying drawing 4, the utility model is a kind of curved surface light-guiding type lamp source, this light guide structure 2 mainly is by transparent or semitransparent v curved surface LGP and reflecting layer (as reflector plate) 22, wherein be provided with plural luminescence component 24 (LED) in curved surface LGP 20 limits, and be formed with one for the echo area 202 that changes light path, as matsurface, concave point or site district in curved surface LGP 20 1 sides; In addition 202 be coated with reflecting layer 22 in the echo area for reflection sources in 20 of curved surface LGPs, and reflecting layer 22 adopts evaporation or sputter manufacturing process to form a thin metal reflecting layer, by this, when luminescence component 24 is luminous, light then can increase along with echo area 202 density of curved surface LGP 20 medial surfaces gradually to change the path of light, and then control luminosity and angle, promote the reflectivity of overall light again by reflecting layer 22, light is increased and then the lifting illuminance, to reach maximum illumination benefit.
Shown in accompanying drawing 5,6, being installed in limit, curved surface LGP 20a two ends with luminescence component 24a is example, when luminescence component 24a is luminous, light then can along with curved surface LGP 20a wherein the echo area 202a density of a side increase gradually to change the path of light, and then control luminosity and angle, promote the reflectivity of overall light again by reflecting layer 22a, light is increased and then the lifting illuminance.
Moreover, then be coated with diffusion sheet 26a or prismatic lens 28a wherein in the lateral surface of curved surface LGP 20a, this is an example with diffusion sheet 26a, finish light reflected, then can refract to diffusion sheet 26a via curved surface LGP 20a, make light can increase the light range of exposures by diffusion sheet 26a, and the light transmittance of above-mentioned curved surface LGP 20a can determine to irradiate the number of light with the control shading value, so, utilize diffusion sheet 26a can reach the increase illumination zone, therefore can use minimum luminescence component 24a (LED) to reach maximum illumination benefit, echo area by curved surface LGP 20a medial surface can allow the light of luminescence component 24a evenly distribute in addition, and then reaches the lifting illuminance.
As accompanying drawing 7 to shown in the accompanying drawing 9, be formed with plural V-groove 204b in curved surface LGP 20b lateral surface in vertical or horizontal mode, when the luminescence component 24b on curved surface LGP 20b one end limit is luminous, light then can along with curved surface LGP 20b medial surface wherein an echo area 202b density increase gradually to change the path of light, and then control luminosity and angle, promote the reflectivity of overall light again by reflecting layer 22b, light is increased and then the lifting illuminance.
Finish light reflected, then can utilize the vee-cut 204b on the curved surface LGP 20b lateral surface to reflect again to promote illuminance once more, and light reflected is incident upon diffusion sheet 20b, and make light can increase the light range of exposures by diffusion sheet 26b, and the light transmittance of above-mentioned curved surface LGP 20b can determine to irradiate the number of light with the control shading value, so, utilize diffusion sheet 26b can reach the increase illumination zone, therefore can use minimum luminescence component 24b (light emitting diode) to reach maximum illuminating effect, echo area by curved surface LGP 20b medial surface can allow the light of luminescence component 24b evenly distribute in addition, and then reaches the lifting illuminance.
Claims (10)
1. curved surface light-guiding type lamp source is characterized in that comprising: a curved surface LGP, and this curved surface LGP is provided with plural luminescence component in the end limit, and wherein is formed with one for the echo area that changes light path in a side in this curved surface LGP; And a reflecting layer, these reflection series of strata are coated in a wherein side of this curved surface LGP.
2. according to the described curved surface light-guiding type of claim 1 lamp source, it is characterized in that: more be included in this curved surface LGP and be provided with plural luminescence component in the corresponding end limit on above-mentioned end limit.
3. according to the described curved surface light-guiding type of claim 1 lamp source, it is characterized in that: be included in more that the side then is formed with plural vee-cut outside this curved surface LGP.
4. according to claim 1 or 2 described curved surface light-guiding type lamp sources, it is characterized in that: wherein this luminescence component is a light emitting diode.
5. according to the described curved surface light-guiding type of claim 1 lamp source, it is characterized in that: wherein this echo area further is matsurface, concave point or one of them person of site district.
6. according to the described curved surface light-guiding type of claim 1 lamp source, it is characterized in that: wherein this curved surface LGP is transparent or semitransparent one of them person.
7. according to the described curved surface light-guiding type of claim 1 lamp source, it is characterized in that: wherein the side is coating one diffusion sheet outside this curved surface LGP.
8. according to the described curved surface light-guiding type of claim 1 lamp source, it is characterized in that: wherein the side is coating one prismatic lens outside this curved surface LGP.
9. according to the described curved surface light-guiding type of claim 1 lamp source, it is characterized in that: this reflection series of strata one reflector plate wherein, and directly be coated in a wherein side of this curved surface LGP
10. according to the described curved surface light-guiding type of claim 1 lamp source, it is characterized in that: wherein this reflecting layer forms the wherein side of a thin metal reflecting layer in this curved surface LGP with evaporation or sputter manufacturing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201471001U CN201439888U (en) | 2009-05-25 | 2009-05-25 | Curved light guide light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201471001U CN201439888U (en) | 2009-05-25 | 2009-05-25 | Curved light guide light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201439888U true CN201439888U (en) | 2010-04-21 |
Family
ID=42544558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201471001U Expired - Fee Related CN201439888U (en) | 2009-05-25 | 2009-05-25 | Curved light guide light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201439888U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434812A (en) * | 2012-01-13 | 2012-05-02 | 苏州茂立光电科技有限公司 | Light source module |
| CN102588852A (en) * | 2011-01-18 | 2012-07-18 | 英志企业股份有限公司 | Manufacturing method of flat lamp tube |
| CN103175039A (en) * | 2013-03-28 | 2013-06-26 | 华南理工大学 | Multi-channel converging light emitting diode (LED) curved lamp structure |
| CN103234125A (en) * | 2013-04-07 | 2013-08-07 | 华南理工大学 | Side-in type LED curved plate lamp structure |
| WO2013120417A1 (en) * | 2012-02-17 | 2013-08-22 | 深圳安嵘光电产品有限公司 | Light guiding lamp |
| CN103307480A (en) * | 2012-03-09 | 2013-09-18 | 中强光电股份有限公司 | Light source module |
| CN103742809A (en) * | 2014-01-14 | 2014-04-23 | 青岛卓英社科技有限公司 | LED arc area light source |
| CN103925488A (en) * | 2013-01-12 | 2014-07-16 | 江苏华安高技术安防产业有限公司 | Light guide lamp and manufacturing method thereof |
| CN104534330A (en) * | 2014-12-30 | 2015-04-22 | 合肥美的电冰箱有限公司 | Cambered surface light source assembly and refrigerator |
| TWI491831B (en) * | 2012-06-29 | 2015-07-11 | Advanced Optoelectronic Tech | Light-emitting diode lamp |
| CN108253308A (en) * | 2016-12-27 | 2018-07-06 | 苏州欧普照明有限公司 | A kind of lamps and lanterns |
| CN111142181A (en) * | 2020-01-02 | 2020-05-12 | 深圳市德仓科技有限公司 | Light guide plate, processing method of light guide plate, backlight module and display device |
| CN111352183A (en) * | 2020-01-02 | 2020-06-30 | 深圳市德仓科技有限公司 | Assembling method and assembling device of backlight assembly |
| CN112879867A (en) * | 2019-11-29 | 2021-06-01 | 江庆峯 | Light projector capable of increasing light reflection area |
-
2009
- 2009-05-25 CN CN2009201471001U patent/CN201439888U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588852A (en) * | 2011-01-18 | 2012-07-18 | 英志企业股份有限公司 | Manufacturing method of flat lamp tube |
| CN102434812A (en) * | 2012-01-13 | 2012-05-02 | 苏州茂立光电科技有限公司 | Light source module |
| WO2013120417A1 (en) * | 2012-02-17 | 2013-08-22 | 深圳安嵘光电产品有限公司 | Light guiding lamp |
| TWI451047B (en) * | 2012-03-09 | 2014-09-01 | Coretronic Corp | Light source module |
| CN103307480B (en) * | 2012-03-09 | 2015-07-08 | 中强光电股份有限公司 | Light source module |
| CN103307480A (en) * | 2012-03-09 | 2013-09-18 | 中强光电股份有限公司 | Light source module |
| TWI491831B (en) * | 2012-06-29 | 2015-07-11 | Advanced Optoelectronic Tech | Light-emitting diode lamp |
| CN103925488A (en) * | 2013-01-12 | 2014-07-16 | 江苏华安高技术安防产业有限公司 | Light guide lamp and manufacturing method thereof |
| CN103175039A (en) * | 2013-03-28 | 2013-06-26 | 华南理工大学 | Multi-channel converging light emitting diode (LED) curved lamp structure |
| CN103175039B (en) * | 2013-03-28 | 2016-12-28 | 华南理工大学 | A kind of multichannel imports LED curved surface modulated structure |
| CN103234125A (en) * | 2013-04-07 | 2013-08-07 | 华南理工大学 | Side-in type LED curved plate lamp structure |
| CN103742809A (en) * | 2014-01-14 | 2014-04-23 | 青岛卓英社科技有限公司 | LED arc area light source |
| CN103742809B (en) * | 2014-01-14 | 2016-01-06 | 青岛卓英社科技有限公司 | LED arc area light source |
| CN104534330A (en) * | 2014-12-30 | 2015-04-22 | 合肥美的电冰箱有限公司 | Cambered surface light source assembly and refrigerator |
| CN108253308A (en) * | 2016-12-27 | 2018-07-06 | 苏州欧普照明有限公司 | A kind of lamps and lanterns |
| CN112879867A (en) * | 2019-11-29 | 2021-06-01 | 江庆峯 | Light projector capable of increasing light reflection area |
| CN111142181A (en) * | 2020-01-02 | 2020-05-12 | 深圳市德仓科技有限公司 | Light guide plate, processing method of light guide plate, backlight module and display device |
| CN111352183A (en) * | 2020-01-02 | 2020-06-30 | 深圳市德仓科技有限公司 | Assembling method and assembling device of backlight assembly |
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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: 20100421 Termination date: 20120525 |