CN104421681A - LED (Light Emitting Diode) light source module - Google Patents
LED (Light Emitting Diode) light source module Download PDFInfo
- Publication number
- CN104421681A CN104421681A CN201310373639.XA CN201310373639A CN104421681A CN 104421681 A CN104421681 A CN 104421681A CN 201310373639 A CN201310373639 A CN 201310373639A CN 104421681 A CN104421681 A CN 104421681A
- Authority
- CN
- China
- Prior art keywords
- light
- led
- guiding film
- source module
- light source
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
- F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
Abstract
An LED (Light Emitting Diode) light source module comprises a light guide film, an LED light source which is arranged facing the light guide film, an optical micro-structure which is formed in one side of the light guide film and a gel layer which is arranged on the optical micro-structure; the refractive index of the gel layer is smaller than the light guide film; a light emitting portion is further formed in the light guide film; light emitted from the LED light source enters the light guide film sequentially through the gel layer and the optical micro-structure and is separated from the light guide film from the light emitting portion. Compared with the prior art, light emitted from the LED light source enters the light guide film after being refracted through the gel layer, the refractive index of the gel layer is smaller than the light guide film, losses of light entering the light guide film are reduced, the light is uniformly scattered after entering the light guide film due to the fact that the gel layer is arranged on the optical micro-structure, the light leaves from the light guide film from the light emitting portion which is formed in the light guide film after being continuously reflected inside the light guide film, and accordingly the LED light source module is good in illumination effect and high in light utilization rate.
Description
Technical field
The present invention relates to field of semiconductor illumination, particularly a kind of LED light source module.
Background technology
Light emitting diode (Light Emitting Diode, LED) is a kind of optoelectronic semiconductor component that electric current can be converted to particular range of wavelengths.Light emitting diode is high with its brightness, operating voltage is low, power consumption is little, easily mate with integrated circuit, drive the advantages such as simple, the life-span is long, thus can be used as light source and be widely used in lighting field.
When light emitting diode is applicable to low profile light source module; usual meeting and a light guiding film (LGF; light guide film) with the use of; light guiding film is the transparent membrane with high index of refraction and light transmittance; its surface has the site micro-structural of different density, thus realizes spot light being converted to area source use.But, when the light that light emitting diode sends directly enters light guiding film, certain light loss can be produced and cause the light utilization efficiency of light source module to reduce, and bright dipping is uneven on the whole to cause light source module because light is comparatively concentrated, and then affect its illuminating effect.
Summary of the invention
In view of this, be necessary to provide a kind of LED light source module with good illuminating effect.
A kind of LED light source module, the LED source comprising light guiding film and arrange towards this light guiding film, this LED light source module is also included in the optical microstructures that light guiding film side is formed and the colloid layer be arranged on described optical microstructures, described LED source is arranged on this colloid layer, described colloid layer is less than described light guiding film on refractive index, described light guiding film offers some light out part further, the light that described LED source sends is successively via colloid layer, optical microstructures enters light guiding film, light guiding film is left again by described light out part.
Compared with prior art, first the light that described in LED light source module of the present invention, LED source sends enter described colloid layer, the optical microstructures formed in described light guiding film via colloid layer again after reflecting enters the inside of light guiding film, light warp after the inside continuous reflection of light guiding film leaves described light guiding film by the light out part that described light guiding film is offered, because light enters light guiding film again through the refraction of colloid layer, and described colloid layer is less than described light guiding film on refractive index, the loss that the light that LED source is sent enters light guiding film reduces, and colloid layer is arranged on described optical microstructures, homogenous diffusion is obtained when making light enter light guiding film, light warp after the inside continuous reflection of light guiding film leaves described light guiding film by the light out part that described light guiding film is offered, thus LED light source module of the present invention has good illuminating effect and light utilization efficiency is higher.
With reference to the accompanying drawings, the invention will be further described in conjunction with specific embodiments.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of the LED light source module of one embodiment of the invention.
Fig. 2 is for the LED light source module shown in Fig. 1 is along the cross-sectional schematic of II-II line.
Main element symbol description
| LED light source module | 100 |
| Light guiding film | 10 |
| Light out part | 12 |
| Optical microstructures | 20 |
| Depressed part | 22 |
| Protuberance | 24 |
| Colloid layer | 30 |
| Incidence surface | 32 |
| Exiting surface | 34 |
| LED source | 40 |
| Circuit | 42 |
| Light emitting diode | 44 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Refer to Fig. 1 and Fig. 2, the LED light source module 100 of one embodiment of the invention comprise light guiding film 10, optical microstructures 20 that described light guiding film 10 side is formed, the LED source 40 that is arranged at the colloid layer 30 on described optical microstructures 20 and arranges towards described colloid layer 30.
Described light guiding film 10 is made up of transparent material, as Merlon (PC), polymethyl methacrylate (PMMA) or optical glass etc.Preferably, described light guiding film 10 is flexible membrane, can bend to required shape, and can reach lightening effect.
Described optical microstructures 20 is caved inward by the side of described light guiding film 10 and forms.In the present embodiment, this optical microstructures 20 is formed on the end face of this light guiding film 10.Understandably, according to actual needs, this optical microstructures 20 also can be formed in this light guiding film 10 bottom surface on or on side.Described optical microstructures 20, in wavy or zigzag, also can be spherical depression structure or free form surface sunk structure.In the present embodiment, described optical microstructures 20, in wavy, has some spaced depressed parts 22 and protuberance 24.Described optical microstructures 20 carries out in order to the light sent by described LED source 40 inside that scattering enters described light guiding film 10 again.Preferably, described optical microstructures 20 described light guiding film 10 formed the ratio of hierarchy structure be greater than 2.
Described light guiding film 10 is formed with at least one light out part 12 further.Described light out part 12 can be formed in light guiding film 10 by engraving or etching mode pattern structure, salient point, in wavy or laciniation, or be spherical depression structure, free form surface sunk structure.Described light out part 12 can be multiple, and the arrangement mode of these light out part 12 can be matrix form, gradually dredge formula, gradually Mi Shi or irregular mode.In the present embodiment, described light out part 12 is circular depressed structure, and described light out part 12 is multiple, is intervally arranged on the end face of described light guiding film 10 by irregular mode.Understandably, according to bright dipping needs, described light out part 12 can be formed on the either side of described light guiding film 10, or is formed on many sides simultaneously.
Described colloid layer 30 is made up of the sticking transparent material of tool.Described colloid layer 30 is arranged on described optical microstructures 20, and in the present embodiment, this colloid layer 30 fits with optical microstructures 20.Described colloid layer 30 is less than described light guiding film 10 on refractive index.The exiting surface 34 that described colloid layer 30 has incidence surface 32 and is oppositely arranged with this incidence surface 32.Described incidence surface 32 is arranged towards described LED source 40.Described exiting surface 34 is corresponding with described optical microstructures 20 fits.
The light emitting diode 44 that described LED source 40 comprises circuit 42 and is electrically connected with described circuit 42.Described circuit 42 directly can be formed on described light guiding film 10 or colloid layer 30 by plating or evaporation mode.Described light emitting diode 44 is made up of semi-conducting materials such as gallium nitride, InGaN, aluminum indium gallium nitride, and it can excite generation visible ray by electric current.In the present embodiment, described light emitting diode 44 is multiple, and these light emitting diodes 44 are even, compartment of terrain is arranged on described colloid layer 30.Described light emitting diode 44 fits with the incidence surface 32 of this colloid layer 30.
In use, first the light that described LED source 40 sends enter described colloid layer 30, the optical microstructures 20 formed in described light guiding film 10 via colloid layer 30 again enters the inside of light guiding film 10, and light warp after the inside continuous reflection of light guiding film 10 leaves described light guiding film 10 by the light out part 12 that described light guiding film 10 is offered.
Compared with prior art, first the light that described in LED light source module 100 of the present invention, LED source 40 sends enter described colloid layer 30, the optical microstructures 20 formed in described light guiding film 10 via colloid layer 30 again after reflecting enters the inside of light guiding film 10, light warp after the inside continuous reflection of light guiding film 10 leaves described light guiding film 10 by the light out part 12 that described light guiding film 10 is offered, because light enters light guiding film 10 again through the refraction of colloid layer 30, and described colloid layer 30 is less than described light guiding film 10 on refractive index, the loss that the light that LED source 40 is sent enters light guiding film 10 reduces, and colloid layer 30 is arranged on described optical microstructures 20, homogenous diffusion is obtained when making light enter light guiding film 10, light warp after the inside continuous reflection of light guiding film 10 leaves described light guiding film 10 by the light out part 12 that described light guiding film 10 is offered, thus LED light source module 100 of the present invention has good illuminating effect and light utilization efficiency is higher.
Be understandable that, for the person of ordinary skill of the art, other various corresponding change and distortion can be made by technical conceive according to the present invention, and all these change the protection domain that all should belong to the claims in the present invention with distortion.
Claims (10)
1. a LED light source module, the LED source comprising light guiding film and arrange towards this light guiding film, it is characterized in that: this LED light source module is also included in the optical microstructures that light guiding film side is formed and the colloid layer be arranged on described optical microstructures, described LED source is arranged on this colloid layer, described colloid layer is less than described light guiding film on refractive index, described light guiding film offers some light out part further, the light that described LED source sends is successively via colloid layer, optical microstructures enters light guiding film, light guiding film is left again by described light out part.
2. LED light source module as claimed in claim 1, is characterized in that: described LED source comprises circuit and some spaced light emitting diodes, and colloid layer described in described light emitting diode arranges and fits with colloid layer.
3. LED light source module as claimed in claim 2, is characterized in that: described circuit is formed by the mode of plating or evaporation.
4. LED light source module as claimed in claim 1, is characterized in that: described colloid layer and described optical microstructures fit.
5. LED light source module as claimed in claim 1, is characterized in that: described optical microstructures is wavelike structure, laciniation, spherical depression structure or free form surface sunk structure.
6. LED light source module as claimed in claim 1, is characterized in that: described optical microstructures has some spaced depressed parts and protuberance.
7. LED light source module as claimed in claim 1, is characterized in that: described light out part be formed in light guiding film by engraving or etching mode pattern structure, salient point, in wavelike structure, indentation structure, spherical depression structure or free form surface sunk structure.
8. LED light source module as claimed in claim 1, is characterized in that: described colloid layer is made up of the sticking transparent material of tool.
9. LED light source module as claimed in claim 1, it is characterized in that: the exiting surface that described colloid layer has incidence surface and is oppositely arranged with this incidence surface, described incidence surface and described LED source are fitted, and described exiting surface is corresponding with described optical microstructures fits.
10. LED light source module as claimed in claim 1, is characterized in that: described optical microstructures described light guiding film formed the ratio of hierarchy structure be greater than 2.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310373639.XA CN104421681A (en) | 2013-08-26 | 2013-08-26 | LED (Light Emitting Diode) light source module |
| TW102130710A TWI512230B (en) | 2013-08-26 | 2013-08-27 | Led light source module |
| JP2014170216A JP6025791B2 (en) | 2013-08-26 | 2014-08-25 | Light emitting diode light source module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310373639.XA CN104421681A (en) | 2013-08-26 | 2013-08-26 | LED (Light Emitting Diode) light source module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104421681A true CN104421681A (en) | 2015-03-18 |
Family
ID=52696749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310373639.XA Pending CN104421681A (en) | 2013-08-26 | 2013-08-26 | LED (Light Emitting Diode) light source module |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6025791B2 (en) |
| CN (1) | CN104421681A (en) |
| TW (1) | TWI512230B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766634A (en) * | 2016-12-22 | 2017-05-31 | 青岛海尔股份有限公司 | Rack and the refrigerator with the rack |
| CN107561627A (en) * | 2017-08-24 | 2018-01-09 | 四川龙华光电薄膜股份有限公司 | Light guiding film |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022096365A1 (en) | 2020-11-05 | 2022-05-12 | Saint-Gobain Glass France | Glazing |
| DE202022100518U1 (en) | 2022-01-31 | 2022-02-15 | Saint-Gobain SEKURIT Deutschland GmbH | glazing |
| DE202022101100U1 (en) | 2022-02-28 | 2022-03-04 | Saint-Gobain SEKURIT Deutschland GmbH | Glazing for signal transmission |
Citations (6)
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| JP2006108076A (en) * | 2004-10-01 | 2006-04-20 | Taida Electronic Ind Co Ltd | Backlight module |
| CN101315484A (en) * | 2007-06-01 | 2008-12-03 | 富士迈半导体精密工业（上海）有限公司 | Light source component and back light module unit including the same |
| US20090051852A1 (en) * | 2007-08-22 | 2009-02-26 | Nano Precision Corporation | Backlight module and liquid crystal display using the same |
| CN102216672A (en) * | 2008-11-20 | 2011-10-12 | 夏普株式会社 | Illuminating device, display device and television receiving device |
| CN102472456A (en) * | 2009-11-30 | 2012-05-23 | 夏普株式会社 | Planar lighting device and display device having same |
| CN202834995U (en) * | 2011-12-20 | 2013-03-27 | 海立尔股份有限公司 | Flexible backlight module structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4341262B2 (en) * | 2003-03-06 | 2009-10-07 | 凸版印刷株式会社 | Light guide and display body using the same |
| JP2010282908A (en) * | 2009-06-08 | 2010-12-16 | Hayashi Telempu Co Ltd | Lighting device |
| TWI505509B (en) * | 2010-06-21 | 2015-10-21 | Hon Hai Prec Ind Co Ltd | Light emitting diode and light source module having same |
| JP2012114284A (en) * | 2010-11-25 | 2012-06-14 | Toshiba Corp | Led module and illuminating device |
| CN102681083B (en) * | 2012-05-03 | 2015-07-15 | 丹阳博昱科技有限公司 | Light guide plate with concave microstructure and manufacturing method thereof |
-
2013
- 2013-08-26 CN CN201310373639.XA patent/CN104421681A/en active Pending
- 2013-08-27 TW TW102130710A patent/TWI512230B/en not_active IP Right Cessation
-
2014
- 2014-08-25 JP JP2014170216A patent/JP6025791B2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006108076A (en) * | 2004-10-01 | 2006-04-20 | Taida Electronic Ind Co Ltd | Backlight module |
| CN101315484A (en) * | 2007-06-01 | 2008-12-03 | 富士迈半导体精密工业（上海）有限公司 | Light source component and back light module unit including the same |
| US20090051852A1 (en) * | 2007-08-22 | 2009-02-26 | Nano Precision Corporation | Backlight module and liquid crystal display using the same |
| CN102216672A (en) * | 2008-11-20 | 2011-10-12 | 夏普株式会社 | Illuminating device, display device and television receiving device |
| CN102472456A (en) * | 2009-11-30 | 2012-05-23 | 夏普株式会社 | Planar lighting device and display device having same |
| CN202834995U (en) * | 2011-12-20 | 2013-03-27 | 海立尔股份有限公司 | Flexible backlight module structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766634A (en) * | 2016-12-22 | 2017-05-31 | 青岛海尔股份有限公司 | Rack and the refrigerator with the rack |
| CN107561627A (en) * | 2017-08-24 | 2018-01-09 | 四川龙华光电薄膜股份有限公司 | Light guiding film |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201510411A (en) | 2015-03-16 |
| TWI512230B (en) | 2015-12-11 |
| JP2015043321A (en) | 2015-03-05 |
| JP6025791B2 (en) | 2016-11-16 |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150318 |
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| RJ01 | Rejection of invention patent application after publication |