CN103672727A - Full-effect light harvesting method - Google Patents
Full-effect light harvesting method Download PDFInfo
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- CN103672727A CN103672727A CN201210358314.XA CN201210358314A CN103672727A CN 103672727 A CN103672727 A CN 103672727A CN 201210358314 A CN201210358314 A CN 201210358314A CN 103672727 A CN103672727 A CN 103672727A
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Abstract
The embodiment of the invention discloses a full-effect light harvesting method which comprises the steps that the effective light-entering angle of a primary lens is equal to or larger than the light-emitting angle of a light-emitting source, and the light-emitting angle of the primary lens is equal to or smaller than the effective light-entering angle of a terminal lens, so that all light rays scattered by the light-emitting source are harvested by the primary lens and converted to light rays within the effective light-entering angle range of the terminal lens, and brightness of the light rays projected by the terminal lens is improved.
Description
Technical field
The present invention relates to a kind of full effect light harvesting method, refer in particular to a kind of innovative approach of the light luminance that can promote this projection and go out.
Background technology
Light emitting diode (light emitting diode, LED) and surface adhesion type light-emitting diode (surface-mount device light emitting diode, SMD LED) rising angle all has its set value range, if the rising angle of user side demand is not in this set value range time, must entrust the other customized manufacturing of manufactory, just manufactory maintains its production cost with under the considering of economic benefit, and conventionally understanding outbid requirement needs the certain quantity of buying; But this causes user side purchase cost to improve, and often there is the quantity of user side demand far away from manufactory, to set the quantity of buying, so user side is normal, therefore slowly cannot place an order.
Again, just because of above-mentioned situation, cause at present the Related product of being seen application LED on the market, in actual application, all need the reflecting element of arranging in pairs or groups, to concentrate projection to go out by the reflection of reflecting element the peripheral faint scattered beam of LED; Yet be originally faint scattered beam after the reflection through reflecting element, will make brightness decay, quite limited for the whole emitting brightness that promotes LED.
So in view of this this case inventor, designs and develops and actual fabrication experience so adhere to the abundant of these relevant industries for many years, further research and innovation, provides a kind of full effect light harvesting method that can reach better light extraction efficiency.
Summary of the invention
Main purpose of the present invention, be to provide a kind of full effect light harvesting method, it is mainly by all light of light emitting source scattering are collected totally, and the crevice projection angle of collected light is converted in effective light inlet angular range of terminal lens, to be all collected under the situation of not wasting at all light, reach the effect of the light luminance that promotes self terminal lens projects and go out.
The main purpose of the invention described above and effect, by following concrete technological means, reached:
A full effect light harvesting method, is to make effective light inlet angle of a Primary lens be equal to or greater than the rising angle of light emitting source, and makes the projection of this Primary lens and the rising angle of the light that goes out is equal to or less than effective light inlet angle of terminal lens; By this, all light of light emitting source scattering can be collected through this Primary lens totally, and be converted into for the light in effective light inlet angular range of terminal lens, reach the object of the light luminance that promotes this terminal lens projects and go out.
Full effect light harvesting method of the present invention wherein, can further arrange at least one intermediate lens between Primary lens and terminal lens as mentioned above; When only an intermediate lens being set, this Primary lens projection and the rising angle of the light that goes out is equal to or less than effective light inlet angle of intermediate lens, this intermediate lens projection and the rising angle of the light that goes out is equal to or less than effective light inlet angle of terminal lens; When a plurality of intermediate lens is set, this Primary lens projection and the rising angle of the light that goes out is equal to or less than effective light inlet angle of the first intermediate lens, this first intermediate lens projection and the rising angle of the light that goes out is equal to or less than effective light inlet angle of the second intermediate lens, the rest may be inferred, and the rising angle of the light going out to final intermediate lens projection is equal to or less than effective light inlet angle of terminal lens; So arrange, even through multistage lens light harvesting, projection, the light that still light emitting source projection can be gone out is collected totally.
Full effect light harvesting method of the present invention as mentioned above, wherein, this light emitting source be light emitting diode (LED) or surface adhesion type light-emitting diode (SMD LED) one of them.
Full effect light harvesting method of the present invention as mentioned above, wherein, on the exiting surface of terminal lens, be formed with cross one another X axis crest line and Y-axis crest line, exiting surface is docile and obedient to clockwise and marks off the first ~ tetra-region curved surface, on X axis crest line, the Y-axis curvature of any 2 is all identical, on Y-axis crest line, the X axis curvature of any 2 is all identical, and X axis curvature in the first ~ tetra-region curved surface equates.
Full effect light harvesting method of the present invention as mentioned above, wherein, the X axis curvature in the first ~ tetra-region curved surface on the exiting surface of terminal lens is unequal.
Full effect light harvesting method of the present invention as mentioned above, wherein, the Y-axis curvature in the first ~ tetra-region curved surface on the exiting surface of terminal lens equates.
Full effect light harvesting method of the present invention as mentioned above, wherein, the Y-axis curvature in the first ~ tetra-region curved surface on the exiting surface of terminal lens is unequal.
Full effect light harvesting method of the present invention, wherein, has an angle between the X axis crest line between first and second region curved surface on the exiting surface of terminal lens or the X axis crest line between third and fourth region curved surface and X-axis as mentioned above.
Full effect light harvesting method of the present invention as mentioned above, wherein, the angle of this angle is between 0 ~ 30 degree.
Full effect light harvesting method of the present invention as mentioned above, wherein, when the X in the first ~ tetra-region curved surface on the exiting surface of terminal lens, Y-axis curvature all equate, can be further arranges smooth shape lens in the exiting surface side of terminal lens again.
Full effect light harvesting method of the present invention and existing comparing, at least tool has the following advantages:
Method of the present invention, effective light inlet angle of its Primary lens is equal to or greater than the rising angle of light emitting source, therefore no matter light emitting source is to adopt light emitting diode (LED) or surface adhesion type light-emitting diode (SMD LED) and have different lighting angles, all can will all light of light emitting source scattering can be collected through this Primary lens totally, and be converted into required rising angle, need not be dependent on again LED manufacturer and produce expensive customizing products, also no longer be limited to existing light emitting diode or the rising angle of surface adhesion type light-emitting diode.
Method of the present invention, effective light inlet angle of its Primary lens is equal to or greater than the rising angle of light emitting source, and its rising angle is equal to or less than effective light inlet angle of terminal lens, therefore can be by all light of light emitting source scattering after the total collection of this Primary lens, be converted into for the light in effective light inlet angular range of terminal lens, and reach this light emitting source projection of effective lifting and the object of the light luminance that goes out.
Method of the present invention, even be provided with more than one intermediate lens between Primary lens and terminal lens, because the rising angle of the lens of previous stage is equal to or less than effective light inlet angle of next stage lens, the light going out therefore still can collect light emitting source projection effectively totally.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, does not form limitation of the invention.In the accompanying drawings:
Fig. 1 is the one preferred embodiment schematic diagram of full effect light harvesting method of the present invention;
Fig. 2 is its two preferred embodiments schematic diagram of full effect light harvesting method of the present invention;
Fig. 3 is the organigram of terminal lens exiting surface of the present invention;
Fig. 4 is the light shape projection view with the identical terminal lens of full effect light harvesting method collocation exiting surface curvature of the present invention;
Fig. 5 is the light shape projection view with full effect light harvesting method collocation light shape lens of the present invention;
Fig. 6 is the light shape projection view with the not identical terminal lens of full effect light harvesting method collocation one exiting surface curvature of the present invention;
The light shape projection view that Fig. 7 is the not identical terminal lens of its two exiting surfaces curvature of arranging in pairs or groups with full effect light harvesting method of the present invention;
Fig. 8 is another preferred embodiment schematic diagram of full effect light harvesting method of the present invention.
Drawing reference numeral:
1 light emitting source 2 Primary lens
3 terminal lens 31 exiting surfaces
311 X axis crest line 312 Y-axis crest lines
313 ~ 316 the first ~ tetra-region curved surfaces
4 smooth shape lens 5 intermediate lenses
The specific embodiment
For the technology contents, the goal of the invention that make the present invention use and the effect reached thereof have more complete and clearly disclose, hereby in lower detailed description it, and see also taken off graphic and figure number:
Please refer to Fig. 1, is the present invention's full one preferred embodiment schematic diagram of imitating light harvesting method.This one method is to use light emitting diode (light emitting diode, LED) be light emitting source 1, in the bright dipping side of this light emitting source 1, establish a Primary lens 2, the bright dipping side of this Primary lens 2 is established terminal lens 3, make effective light inlet angle of Primary lens 2 be equal to or greater than the rising angle of light emitting source 1, and make 2 projections of this Primary lens and the rising angle of the light that goes out is equal to or less than effective light inlet angle of terminal lens 3.
Thus, all light that light emitting source 1 projection can be gone out are collected through this Primary lens 2 totally, and by this Primary lens 2, collected light is converted into the light projecting in the effective light inlet angular range that enters terminal lens 3, reach the object of the light luminance that promotes these terminal lens 3 projections and go out.
Please refer to Fig. 2, is its two preferred embodiments schematic diagram of full effect light harvesting method of the present invention.This its two methods are identical with one method, and its difference is only that to use surface adhesion type light-emitting diode (surface-mount device light emitting diode, SMD LED) be light emitting source 1 in this its two methods.Because effective light inlet angle of this Primary lens 2 is equal to or greater than the rising angle of light emitting source 1, therefore, the light emitting source 1 of the surface adhesion type light-emitting diode that rising angle is larger, its projection and the light that goes out still can enter Primary lens 2 totally, and for Primary lens 2 is converted into the light projecting in the effective light inlet angular range that enters terminal lens 3, reach the object of the light luminance that promotes these terminal lens 3 projections and go out.
In addition, method of the present invention, can be further the variation of curvature by terminal lens 3 its exiting surfaces 31, adjust 3 projections of terminal lens and the light shape of the light that goes out.
Wherein, please refer to Fig. 3, on the exiting surface 31 of terminal lens 3, to be formed with cross one another X axis crest line 311 and Y-axis crest line 312, exiting surface is docile and obedient to clockwise and marks off the first ~ tetra-region curved surface 313 ~ 316, on X axis crest line 311, the Y-axis curvature of any 2 is all identical, on Y-axis crest line 312, the X axis curvature of any 2 is all identical, and X axis curvature in the first ~ tetra-region curved surface 313 ~ 316 equates; Or unequal; And Y-axis curvature equates; Or unequal.In the embodiment shown in fig. 4, the X axis curvature in the first ~ tetra-region curved surface 313 ~ 316 and Y-axis curvature all equate; Referring to Fig. 5, be further in the exiting surface side of terminal lens 3, smooth shape lens 4 to be set again, to utilize the refraction of these light shape lens 4, make projection and the light that goes out becomes required light shape.
Please referring again to Fig. 3, Fig. 6, Fig. 7, while disclosing X axis curvature in the first ~ tetra-region curved surface 313 ~ 316 on the exiting surface 31 that changes these terminal lens 3 or Y-axis curvature, projection and the light shape change modeling situation that goes out.
Separately, in actual use, can be more further between the X axis crest line 311 of 315,316, the X axis crest line 311 of 313,314, first and second region curved surface on the exiting surface 31 of terminal lens 3 or third and fourth region curved surface and X-axis, have an angle theta, the angle of this angle theta is between 0 ~ 30 degree.
Please refer to Fig. 8, it discloses another preferred embodiment of this method.In this embodiment, be mainly that at least one intermediate lens 5 is further set between Primary lens 2 and terminal lens 3.Wherein, when only an intermediate lens 5 being set between Primary lens 2 and terminal lens 3, to make 2 projections of this Primary lens and the rising angle of the light that goes out is equal to or less than effective light inlet angle of intermediate lens 5, this intermediate lens 5 projections and the rising angle of the light that goes out is equal to or less than effective light inlet angle of terminal lens 3; And when being provided with a plurality of intermediate lens 5 between Primary lens 2 and terminal lens 3, this Primary lens 2 projections and the rising angle of the light that goes out is equal to or less than effective light inlet angle of the first intermediate lens 5, this first intermediate lens 5 projections and the rising angle of the light that goes out is equal to or less than effective light inlet angle of the second intermediate lens 5, the rest may be inferred, and the rising angle of the light going out to 5 projections of final intermediate lens is equal to or less than effective light inlet angle of terminal lens 3; Even also the rising angle of the lens of previous stage is equal to or less than effective light inlet angle of next stage lens, so, even if the projection of light emitting source 1 and the light that goes out, through multistage lens light harvesting, projection, still can guarantee that the total collection of light that light emitting source 1 projection is gone out projects again.
Above is only part embodiment of the present invention for person, and not in order to limit the present invention, according to intention spirit of the present invention and feature, the modifications person of forming a little, within also should being included in this patent scope.
Claims (9)
1. a full effect light harvesting method, is characterized in that, is to make effective light inlet angle of a Primary lens be equal to or greater than the rising angle of light emitting source, and makes described Primary lens projection and the rising angle of the light that goes out is equal to or less than effective light inlet angle of terminal lens.
2. full effect light harvesting method as claimed in claim 1, is characterized in that, between described Primary lens and terminal lens, at least one intermediate lens is set, and makes the rising angle of the lens of previous stage be equal to or less than effective light inlet angle of next stage lens.
3. full effect light harvesting method as claimed in claim 1 or 2, is characterized in that, described light emitting source is light emitting diode or surface adhesion type light-emitting diode.
4. full effect light harvesting method as claimed in claim 3, it is characterized in that, on the exiting surface of described terminal lens, be formed with cross one another X axis crest line and Y-axis crest line, exiting surface is docile and obedient to clockwise and marks off the first ~ tetra-region curved surface, on described X axis crest line, the Y-axis curvature of any 2 is all identical, on described Y-axis crest line, the X axis curvature of any 2 is all identical, and the X axis curvature in described the first ~ tetra-region curved surface equates; Or unequal; Y-axis curvature in described the first ~ tetra-region curved surface equates; Or unequal.
5. full effect light harvesting method as claimed in claim 4, it is characterized in that, X axis curvature in described the first ~ tetra-region curved surface equate and described the first ~ tetra-region curved surface in Y-axis curvature equate under, in the exiting surface side of described terminal lens, one smooth shape lens are set again.
6. full effect light harvesting method as claimed in claim 5, is characterized in that, between the X axis crest line between first and second region curved surface on the exiting surface of described terminal lens or the X axis crest line between third and fourth region curved surface and X-axis, has an angle.
7. full effect light harvesting method as claimed in claim 6, is characterized in that, the angle of described angle is between 0 ~ 30 degree.
8. full effect light harvesting method as claimed in claim 4, is characterized in that, between the X axis crest line between first and second region curved surface on the exiting surface of described terminal lens or the X axis crest line between third and fourth region curved surface and X-axis, has an angle.
9. full effect light harvesting method as claimed in claim 8, is characterized in that, the angle of described angle is between 0 ~ 30 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210358314.XA CN103672727A (en) | 2012-09-24 | 2012-09-24 | Full-effect light harvesting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210358314.XA CN103672727A (en) | 2012-09-24 | 2012-09-24 | Full-effect light harvesting method |
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| CN103672727A true CN103672727A (en) | 2014-03-26 |
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| CN201210358314.XA Pending CN103672727A (en) | 2012-09-24 | 2012-09-24 | Full-effect light harvesting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802513A (en) * | 2017-01-23 | 2017-06-06 | 京东方科技集团股份有限公司 | Backlight, the manufacture method of backlight and backlight module |
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| US20050174782A1 (en) * | 2003-03-25 | 2005-08-11 | Chapman Leonard T. | Flashlight |
| US7159997B2 (en) * | 2004-12-30 | 2007-01-09 | Lo Lighting | Linear lighting apparatus with increased light-transmission efficiency |
| US7396141B2 (en) * | 2003-03-25 | 2008-07-08 | Chapman/Leonard Enterprises, Inc. | LED push rod flashlight |
| US20100327302A1 (en) * | 2009-06-30 | 2010-12-30 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Led module |
| CN202012853U (en) * | 2011-04-15 | 2011-10-19 | 暨南大学 | Beam angle adjustment lens group for LED (light-emitting diode) light source |
| CN102661520A (en) * | 2012-03-20 | 2012-09-12 | 广东聚科照明股份有限公司 | LED (light-emitting diode) lamp |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489181Y (en) * | 2001-02-23 | 2002-05-01 | 张文虎 | Luminous diode all projector-type functional lamp |
| US20050174782A1 (en) * | 2003-03-25 | 2005-08-11 | Chapman Leonard T. | Flashlight |
| US7396141B2 (en) * | 2003-03-25 | 2008-07-08 | Chapman/Leonard Enterprises, Inc. | LED push rod flashlight |
| US7159997B2 (en) * | 2004-12-30 | 2007-01-09 | Lo Lighting | Linear lighting apparatus with increased light-transmission efficiency |
| US20100327302A1 (en) * | 2009-06-30 | 2010-12-30 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Led module |
| CN202012853U (en) * | 2011-04-15 | 2011-10-19 | 暨南大学 | Beam angle adjustment lens group for LED (light-emitting diode) light source |
| CN102661520A (en) * | 2012-03-20 | 2012-09-12 | 广东聚科照明股份有限公司 | LED (light-emitting diode) lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106802513A (en) * | 2017-01-23 | 2017-06-06 | 京东方科技集团股份有限公司 | Backlight, the manufacture method of backlight and backlight module |
| CN106802513B (en) * | 2017-01-23 | 2020-11-24 | 京东方科技集团股份有限公司 | Backlight source, manufacturing method of backlight source and backlight module |
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Application publication date: 20140326 |