CN103293591A - Multi-functional integrated composite light guide plate and light-emitting diode (LED) plane light source with same - Google Patents
Multi-functional integrated composite light guide plate and light-emitting diode (LED) plane light source with same Download PDFInfo
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- CN103293591A CN103293591A CN2013102464133A CN201310246413A CN103293591A CN 103293591 A CN103293591 A CN 103293591A CN 2013102464133 A CN2013102464133 A CN 2013102464133A CN 201310246413 A CN201310246413 A CN 201310246413A CN 103293591 A CN103293591 A CN 103293591A
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Abstract
The invention discloses a multi-functional integrated composite light guide plate and a light-emitting diode (LED) plane light source with the same. The multi-functional integrated composite light guide plate is formed by a reflecting layer, a light guide layer, (a colored light-transmitting layer) and a diffusing layer. The light guide layer has two opposite surfaces, namely the front and the back. A plurality of light guide net points are arranged on the back of the light guide layer, the reflecting layer is coated on the back of the light guide layer, and (the colored light-transmitting layer) and the diffusing layer are formed on the front of the light guide layer. The reflecting layer, the light guide layer, (the light-transmitting layer) and the diffusing layer are integrated. The reflecting layer, the light guide layer, (the light-transmitting layer) and the diffusing layer are combined integrally to be machined to a sheet-shaped plate through a coating and co-extrusion process. The sheet-shaped multi-functional integrated composite light guide plate integrates various functions of reflecting, light guiding, (color changing) and diffusing. Compared with the prior art, the integral thickness of an LED plane light source product can be reduced effectively and assembling procedures of the LED plane light source product are simplified.
Description
Technical field
The invention belongs to photoelectric material and lighting field, be specifically related to a kind of illumination or display with multi-functional light-conducting plate and the LED planar light source that uses this light guide plate.
Background technology
Light guide plate is the high-tech product that line source is converted into area source.The light guide plate of prior art is to utilize the acrylic of optical grade (PMMA) sheet material, then with having high reflectivity and the printing ink of extinction not, leaded light site in the printing of the acrylic sheet material bottom surface of optical grade.The light that utilizes optical grade acrylic sheet material to draw to send from lamp is in the stop on optical grade acrylic sheet material surface, and when light was mapped to each leaded light site, reflected light can destroy conditioned reflex and penetrate by light guide plate is positive then toward all angles diffusion.By various densitys, leaded light site not of uniform size, can make the light guide plate uniformly light-emitting.Light guide plate generally cooperates reflector plate and uses at its positive diffuser plate that cooperates at its back side, in the light reflected back light guide plate that the purposes of reflector plate is bottom surface of light guide plate is exposed, be used for improving the service efficiency of light, the purposes of diffuser plate is further to make light softer the light expanding, also can add the color that the last layer colored plate changes light, structure by above-mentioned prior art light guide plate and principle are as can be known, the light guide plate of prior art, diffuser plate and reflecting plate and colored plate all are plates independently, processing separately, during use it is superposeed to reach required optical effect, therefore not only thickness is thicker for the rhythmo structure that constitutes, and processing and all inconvenience of assembling.
Summary of the invention
In order to overcome above-mentioned defective, the LED planar light source that the invention provides a kind of multifunctional all composite light guiding plate and have this light guide plate, it is one that multifunctional all composite light guiding plate of the present invention not only collects reflection, leaded light, variable color and diffusion function, and can effectively reduce compared to prior art LED planar light source product integral thickness, simplify LED planar light source product assembling procedure, again and simple in structure, easy to implement.
The present invention for the technical scheme that solves its technical matters and adopt is:
The invention provides a kind of multifunctional all composite light guiding plate, constituted by reflection horizon, optical waveguide layer and diffusion layer, described optical waveguide layer has two relative surfaces and is respectively front and back, the back side of described optical waveguide layer has some leaded lights site, the back side of described optical waveguide layer is coated with the reflection horizon, the front of described optical waveguide layer forms diffusion layer, and described reflection horizon, optical waveguide layer and diffusion layer three are one.
Described leaded light site is a kind of in following three kinds of structures:
One, described leaded light site is by the leaded light site of laser dotting technological forming in the described optical waveguide layer back side;
Two, described leaded light site is the leaded light site that takes shape in the described optical waveguide layer back side by printing ink printing art;
Three, described leaded light site is by the leaded light site of embossing technological forming in the described optical waveguide layer back side.
Described optical waveguide layer is the optical grade acrylic board.
Described diffusion layer can be the transparent coatings with light diffusion particle.
Described optical waveguide layer and diffusion layer also can go out technology by double-layer coextrusion and be shaped to one.
The present invention also provides another kind of multifunctional all composite light guiding plate, constituted by reflection horizon, optical waveguide layer, coloured photic zone and diffusion layer, described optical waveguide layer has two relative surfaces and is respectively front and back, the back side of described optical waveguide layer has some leaded lights site, the back side of described optical waveguide layer is coated with the reflection horizon, the front of described optical waveguide layer forms coloured photic zone and diffusion layer successively, and described reflection horizon, optical waveguide layer, coloured photic zone and diffusion layer are one.
Described leaded light site is a kind of in following three kinds of structures:
One, described leaded light site is by the leaded light site of laser dotting technological forming in the described optical waveguide layer back side;
Two, described leaded light site is the leaded light site that takes shape in the described optical waveguide layer back side by printing ink printing art;
Three, described leaded light site is by the leaded light site of embossing technological forming in the described optical waveguide layer back side.
Described optical waveguide layer is the optical grade acrylic board.
Can be, described coloured photic zone be the transparent coatings with color, and described diffusion layer is the transparent coatings with light diffusion particle.
Also can be that described optical waveguide layer, coloured photic zone and diffusion layer go out technology and are shaped to one by three-layer co-extruded.
Can also be, described optical waveguide layer and coloured photic zone go out technology by double-layer coextrusion and are shaped to one, and described diffusion layer is the transparent coatings with light diffusion particle.
The present invention also provides a kind of LED planar light source, the some LED light emitting sources that comprise frame and be fixed in the frame inner face, also has above-mentioned multifunctional all composite light guiding plate, described multifunctional all composite light guiding plate is fixed in the described frame, and described LED light emitting source is positioned at the side of the optical waveguide layer of described multifunctional all composite light guiding plate.
The invention has the beneficial effects as follows: multifunctional all composite light guiding plate of the present invention is reflection horizon, optical waveguide layer, these a plurality of material layers of (coloured photic zone) diffusion layer to be integrated by coating and coextrusion processes be processed into a sheet of sheet material, this a sheet of multifunctional all composite light guiding plate not only collects reflection, leaded light, the multiple function of (variable color) diffusion is one, and can effectively reduce compared to prior art LED planar light source product integral thickness, simplify LED planar light source product assembling procedure.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of the embodiment of the invention 2;
Fig. 3 is the structural representation of the embodiment of the invention 3.
Embodiment
Below by particular specific embodiment accompanying drawings the specific embodiment of the present invention, those skilled in the art can understand advantage of the present invention and effect easily by the content that this instructions discloses.The present invention also can other different mode be implemented, and, under not departing from disclosed category, can give different modifications and change that is.
Embodiment 1: a kind of multifunctional all composite light guiding plate 1, as shown in Figure 1, constituted by reflection horizon 11, optical waveguide layer 12 and diffusion layer 13, described optical waveguide layer has two relative surfaces and is respectively front and back, the back side of described optical waveguide layer has some leaded lights site, the back side of described optical waveguide layer is coated with the reflection horizon, and the front of described optical waveguide layer forms diffusion layer, and described reflection horizon, optical waveguide layer and diffusion layer three are one.
Described leaded light site is a kind of in following three kinds of structures:
One, described leaded light site is by the leaded light site of laser dotting technological forming in the described optical waveguide layer back side;
Two, described leaded light site is the leaded light site that takes shape in the described optical waveguide layer back side by printing ink printing art;
Three, described leaded light site is by the leaded light site of embossing technological forming in the described optical waveguide layer back side.
Described optical waveguide layer is the optical grade acrylic board.
Described diffusion layer can be the transparent coatings with light diffusion particle.
Described optical waveguide layer and diffusion layer also can go out technology by double-layer coextrusion and be shaped to one.
Embodiment 2: a kind of multifunctional all composite light guiding plate, as shown in Figure 2, constituted by reflection horizon 21, optical waveguide layer 22, coloured photic zone 24 and diffusion layer 23, described optical waveguide layer has two relative surfaces and is respectively front and back, the back side of described optical waveguide layer has some leaded lights site, the back side of described optical waveguide layer is coated with the reflection horizon, and the front of described optical waveguide layer forms coloured photic zone and diffusion layer successively, and described reflection horizon, optical waveguide layer, coloured photic zone and diffusion layer are one.
Described leaded light site is a kind of in following three kinds of structures:
One, described leaded light site is by the leaded light site of laser dotting technological forming in the described optical waveguide layer back side;
Two, described leaded light site is the leaded light site that takes shape in the described optical waveguide layer back side by printing ink printing art;
Three, described leaded light site is by the leaded light site of embossing technological forming in the described optical waveguide layer back side.
Described optical waveguide layer is the optical grade acrylic board.
Can be, described coloured photic zone be the transparent coatings with color, and described diffusion layer is the transparent coatings with light diffusion particle.
Also can be that described optical waveguide layer, coloured photic zone and diffusion layer go out technology and are shaped to one by three-layer co-extruded.
Can also be, described optical waveguide layer and coloured photic zone go out technology by double-layer coextrusion and are shaped to one, and described diffusion layer is the transparent coatings with light diffusion particle.
Embodiment 3: a kind of LED planar light source, as shown in Figure 3, the some LED light emitting sources 4 that comprise frame 3 and be fixed in the frame inner face, also have embodiment 1 or 2 described multifunctional all composite light guiding plates 1 or 2, described multifunctional all composite light guiding plate is fixed in the described frame, and described LED light emitting source is positioned at the side of the optical waveguide layer of described multifunctional all composite light guiding plate.
Claims (12)
1. multifunctional all composite light guiding plate, it is characterized in that: constituted by reflection horizon, optical waveguide layer and diffusion layer, described optical waveguide layer has two relative surfaces and is respectively front and back, the back side of described optical waveguide layer has some leaded lights site, the back side of described optical waveguide layer is coated with the reflection horizon, the front of described optical waveguide layer forms diffusion layer, and described reflection horizon, optical waveguide layer and diffusion layer three are one.
2. multifunctional all composite light guiding plate as claimed in claim 1 is characterized in that: described leaded light site is a kind of in following three kinds of structures:
One, described leaded light site is by the leaded light site of laser dotting technological forming in the described optical waveguide layer back side;
Two, described leaded light site is the leaded light site that takes shape in the described optical waveguide layer back side by printing ink printing art;
Three, described leaded light site is by the leaded light site of embossing technological forming in the described optical waveguide layer back side.
3. multifunctional all composite light guiding plate as claimed in claim 1, it is characterized in that: described optical waveguide layer is the optical grade acrylic board.
4. multifunctional all composite light guiding plate as claimed in claim 1, it is characterized in that: described diffusion layer is the transparent coatings with light diffusion particle.
5. multifunctional all composite light guiding plate as claimed in claim 1, it is characterized in that: described optical waveguide layer and diffusion layer go out technology by double-layer coextrusion and are shaped to one.
6. multifunctional all composite light guiding plate, it is characterized in that: constituted by reflection horizon, optical waveguide layer, coloured photic zone and diffusion layer, described optical waveguide layer has two relative surfaces and is respectively front and back, the back side of described optical waveguide layer has some leaded lights site, the back side of described optical waveguide layer is coated with the reflection horizon, the front of described optical waveguide layer forms coloured photic zone and diffusion layer successively, and described reflection horizon, optical waveguide layer, coloured photic zone and diffusion layer are one.
7. multifunctional all composite light guiding plate as claimed in claim 6 is characterized in that: described leaded light site is a kind of in following three kinds of structures:
One, described leaded light site is by the leaded light site of laser dotting technological forming in the described optical waveguide layer back side;
Two, described leaded light site is the leaded light site that takes shape in the described optical waveguide layer back side by printing ink printing art;
Three, described leaded light site is by the leaded light site of embossing technological forming in the described optical waveguide layer back side.
8. multifunctional all composite light guiding plate as claimed in claim 6, it is characterized in that: described optical waveguide layer is the optical grade acrylic board.
9. multifunctional all composite light guiding plate as claimed in claim 6, it is characterized in that: described coloured photic zone is the transparent coatings with color, described diffusion layer is the transparent coatings with light diffusion particle.
10. multifunctional all composite light guiding plate as claimed in claim 6 is characterized in that: described optical waveguide layer, coloured photic zone and diffusion layer go out technology and are shaped to one by three-layer co-extruded.
11. multifunctional all composite light guiding plate as claimed in claim 6 is characterized in that: described optical waveguide layer and coloured photic zone go out technology by double-layer coextrusion and be shaped to one, described diffusion layer is the transparent coatings with light diffusion particle.
12. LED planar light source, the some LED light emitting sources that comprise frame and be fixed in the frame inner face, it is characterized in that: have as the described multifunctional all composite light guiding of claim 1 to 11 plate, described multifunctional all composite light guiding plate is fixed in the described frame, and described LED light emitting source is positioned at the side of the optical waveguide layer of described multifunctional all composite light guiding plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102464133A CN103293591A (en) | 2013-06-20 | 2013-06-20 | Multi-functional integrated composite light guide plate and light-emitting diode (LED) plane light source with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102464133A CN103293591A (en) | 2013-06-20 | 2013-06-20 | Multi-functional integrated composite light guide plate and light-emitting diode (LED) plane light source with same |
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Cited By (7)
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| CN103672734A (en) * | 2013-12-17 | 2014-03-26 | 深圳市优利尔节能照明科技有限公司 | Integrated LED panel lamp optical plate and manufacturing method thereof |
| CN105652362A (en) * | 2016-02-25 | 2016-06-08 | 宜兴木科技有限公司 | LED nanometer light guide plate sheet |
| CN109031509A (en) * | 2018-08-21 | 2018-12-18 | 安徽欧通机电科技股份有限公司 | A kind of composite co-extruding plate and preparation method thereof with leaded light and diffusion function |
| CN109270623A (en) * | 2018-11-14 | 2019-01-25 | 东莞市银泰丰光学科技有限公司 | A kind of glass light guide plate with diffusion function |
| CN110068880A (en) * | 2019-04-28 | 2019-07-30 | 深圳市洲明科技股份有限公司 | Display screen and preparation method thereof |
| CN111897454A (en) * | 2020-07-24 | 2020-11-06 | 业成科技（成都）有限公司 | Light emitting assembly, manufacturing method thereof and electronic device |
| US10900657B2 (en) | 2017-08-01 | 2021-01-26 | Technical Consumer Products, Inc. | Edge-lit light fixture having capabilities for a secondary service |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103672734A (en) * | 2013-12-17 | 2014-03-26 | 深圳市优利尔节能照明科技有限公司 | Integrated LED panel lamp optical plate and manufacturing method thereof |
| CN105652362A (en) * | 2016-02-25 | 2016-06-08 | 宜兴木科技有限公司 | LED nanometer light guide plate sheet |
| US10900657B2 (en) | 2017-08-01 | 2021-01-26 | Technical Consumer Products, Inc. | Edge-lit light fixture having capabilities for a secondary service |
| CN109031509A (en) * | 2018-08-21 | 2018-12-18 | 安徽欧通机电科技股份有限公司 | A kind of composite co-extruding plate and preparation method thereof with leaded light and diffusion function |
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| CN111897454A (en) * | 2020-07-24 | 2020-11-06 | 业成科技（成都）有限公司 | Light emitting assembly, manufacturing method thereof and electronic device |
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Application publication date: 20130911 |