CN203036420U - Energy-saving type light-emitting diode (LED) backlight module - Google Patents
Energy-saving type light-emitting diode (LED) backlight module Download PDFInfo
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- CN203036420U CN203036420U CN2013200296105U CN201320029610U CN203036420U CN 203036420 U CN203036420 U CN 203036420U CN 2013200296105 U CN2013200296105 U CN 2013200296105U CN 201320029610 U CN201320029610 U CN 201320029610U CN 203036420 U CN203036420 U CN 203036420U
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- silica gel
- transparent silica
- epoxy resin
- resin layer
- led
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Abstract
The utility model discloses an energy-saving light-emitting diode (LED) backlight module which comprises a base plate, a reflecting layer arranged on the base plate, an LED light source arranged on the reflecting layer, an epoxy resin layer arranged on reflecting layer and encapsulating the LED light source, transparent silica gel attached to the epoxy resin layer and a light guide plate attached to the transparent silica gel. The epoxy resin layer is connected with the light guide plate through the transparent silica gel, the outer layer of the transparent silica gel and the outer layer of the epoxy resin layer are provided with reflection cups with the same opening angle, accordingly the use ratio of the LED light source is improved, under the same luminance condition, the quantity of LED lights is reduced, electric energy is saved, and cost is reduced.
Description
Technical field
The utility model relates to a kind of LED-backlit module, relates in particular to a kind of energy-saving LED module backlight.
Background technology
Traditional LED-backlit module, led light source is arranged on the side of LGP, forms the site on the bottom surface of LGP.The optically-coupled that the LED encapsulation is sent enters LGP, by reflection and the scattering of reflector plate and site, propagates to the liquid crystal display direction.For traditional side entering type LED-backlit module, the light that led chip sends can not all enter LGP, and on the one hand, a part of light can not penetrate from the light output surface of LED encapsulation owing to total internal reflection.On the other hand, even the light that penetrates from LED encapsulation light output surface, a part of light is because the reflection of the light-entering surface of LGP, and can not enter LGP, and the coupling efficiency of light is low, causes the luminous energy waste.
The utility model content
The purpose of this utility model provides a kind of energy-saving LED module backlight, by transparent silica gel connecting ring epoxy layer and LGP, has improved the utilization rate of led light source, guarantees under the situation of same brightness, reduces the quantity of LED lamp, and saves energy reduces cost.
To this, the utility model provides a kind of energy-saving LED module backlight, comprising: substrate, be arranged on reflecting layer on this substrate, be arranged on led light source on this reflecting layer, be arranged on the described reflecting layer and encapsulate described led light source epoxy resin layer, be attached to the transparent silica gel on the described epoxy resin layer and be attached to LGP on the described transparent silica gel.The refraction coefficient of LGP, transparent silica gel and epoxy resin layer is identical, the light that led light source sends successively passes epoxy resin layer and transparent silica gel, enter LGP, there is not light to reflect from the light-entering surface of LGP, improved the optically-coupled rate of epoxy resin layer and LGP, the light that enters LGP has improved 32%, guarantees under the situation of same brightness, the quantity of used led light source reduces 20% approximately, has reduced cost; Energy consumption reduces 20%.
Further, the skin of described epoxy resin layer is first reflector, and the directive epoxy resin layer light on every side that led light source is sent is transmitted in the LGP, improve the utilization rate of led light source, guaranteed under the situation of same brightness, reduced the quantity of LED lamp, saves energy reduces cost.
Further, the skin of described transparent silica gel is second reflector, and the directive transparent silica gel light on every side that led light source is sent is transmitted in the LGP, improve the utilization rate of led light source, guaranteed under the situation of same brightness, reduced the quantity of LED lamp, saves energy reduces cost.
Further, described first reflector is identical with the opening angle of described second reflector, is convenient to the fairing profit that led light source sends and enters in the LGP.
Further, described first reflector is surperficial concordant with described second reflector, is convenient to the fairing profit that led light source sends and enters in the LGP, improve the coupling efficiency of light, guaranteed under the situation of same brightness, reduced the quantity of LED lamp, saves energy reduces cost.
Further, the opening angle of described first reflector and described second reflector all is 110 °.
Further, described epoxy resin layer and transparent silica gel are fixed by transparent adhesive tape, and the refraction coefficient of transparent adhesive tape, transparent silica gel and epoxy resin layer is identical, have both fixed transparent silica gel, have improved the optically-coupled rate of epoxy resin layer and transparent silica gel again.
Further, described transparent silica gel and LGP are fixed by transparent adhesive tape, and the refraction coefficient of transparent adhesive tape, transparent silica gel and LGP is identical, have both fixed transparent silica gel, have improved the optically-coupled rate of transparent silica gel and LGP again.
Beneficial effect: by transparent silica gel connecting ring epoxy layer and LGP, the skin of described transparent silica gel and epoxy resin layer has the identical reflector of opening angle, has improved the utilization rate of led light source, guarantee under the situation of same brightness, reduce the quantity of LED lamp, saves energy reduces cost.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of the another kind of embodiment of the utility model.
Mark among the figure: 1-substrate; The 2-reflecting layer; The 3-LED light source; The 4-epoxy resin layer; The 5-transparent silica gel; The 6-LGP; 7-first reflector; 8-second reflector.
The specific embodiment
Below in conjunction with accompanying drawing, more excellent embodiment of the present utility model is described in further detail:
As shown in Figure 1, a kind of energy-saving LED module backlight comprises: substrate 1, be arranged on reflecting layer 2 on this substrate 1, be arranged on led light source 3 on this reflecting layer 2, be arranged on the described reflecting layer 2 and encapsulate described led light source 3 epoxy resin layer 4, be attached to the transparent silica gel 5 on the described epoxy resin layer 4 and be attached to LGP 6 on the described transparent silica gel 5.The refraction coefficient of LGP 6, transparent silica gel 5 and epoxy resin layer 4 is identical, the light that led light source 3 sends successively passes epoxy resin layer 4 and transparent silica gel 5, enter LGP 6, there is not light to reflect from the light-entering surface of LGP 6, improved the optically-coupled rate of epoxy resin layer 4 with LGP 6, the light that enters LGP 6 has improved 32%, guarantees under the situation of same brightness, the quantity of used led light source 3 reduces 20% approximately, has reduced cost; Energy consumption reduces 20%.
As depicted in figs. 1 and 2, the skin of described epoxy resin layer 4 is first reflector 7, directive epoxy resin layer 4 light on every side that led light source 3 is sent is transmitted in the LGP 6, improved the utilization rate of led light source 3, guarantee under the situation of same brightness, reduce the quantity of LED lamp, saves energy reduces cost.
As depicted in figs. 1 and 2, the skin of described transparent silica gel 5 is second reflector 8, directive transparent silica gel 5 light on every side that led light source 3 is sent is transmitted in the LGP 6, improved the utilization rate of led light source 3, guarantee under the situation of same brightness, reduce the quantity of LED lamp, saves energy reduces cost.
As depicted in figs. 1 and 2, described first reflector 7 is identical with the opening angle of described second reflector 8, is convenient to the fairing profit that led light source 3 sends and enters in the LGP 6.
As depicted in figs. 1 and 2, described first reflector 7 is surperficial concordant with described second reflector 8, is convenient to the fairing profit that led light source 3 sends and enters in the LGP 6, improve the coupling efficiency of light, guaranteed under the situation of same brightness, reduced the quantity of LED lamp, saves energy reduces cost.
The opening angle of described first reflector 7 and described second reflector 8 all is 110 °.
As shown in Figure 1, described epoxy resin layer 4 and transparent silica gel 5 are fixed by transparent adhesive tape, and the refraction coefficient of transparent adhesive tape, transparent silica gel 5 and epoxy resin layer 4 is identical, has both fixed transparent silica gel 5, has improved the optically-coupled rate of epoxy resin layer 4 with transparent silica gel 5 again.
As shown in Figure 1, described transparent silica gel 5 and LGP 6 are fixed by transparent adhesive tape, and the refraction coefficient of transparent adhesive tape, transparent silica gel 5 and LGP 6 is identical, has both fixed transparent silica gel 5, has improved the optically-coupled rate of transparent silica gel 5 with LGP 6 again.
By transparent silica gel 5 connecting ring epoxy layer 4 and LGP 6, the skin of described transparent silica gel 5 and epoxy resin layer 4 has the identical reflector of opening angle, has improved the utilization rate of led light source 3, guarantee under the situation of same brightness, reduce the quantity of LED lamp, saves energy reduces cost.
Above content be in conjunction with concrete preferred embodiment to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. energy-saving LED module backlight, it is characterized in that, comprising: substrate, be arranged on reflecting layer on this substrate, be arranged on led light source on this reflecting layer, be arranged on the described reflecting layer and encapsulate described led light source epoxy resin layer, be attached to the transparent silica gel on the described epoxy resin layer and be attached to LGP on the described transparent silica gel.
2. energy-saving LED according to claim 1 module backlight, it is characterized in that: the skin of described epoxy resin layer is first reflector.
3. energy-saving LED according to claim 2 module backlight, it is characterized in that: the skin of described transparent silica gel is second reflector.
4. energy-saving LED according to claim 3 module backlight, it is characterized in that: described first reflector is identical with the opening angle of described second reflector.
5. energy-saving LED according to claim 3 module backlight, it is characterized in that: described first reflector is surperficial concordant with described second reflector.
6. energy-saving LED according to claim 4 module backlight, it is characterized in that: the opening angle of described first reflector and described second reflector all is 110 °.
7. energy-saving LED according to claim 1 module backlight, it is characterized in that: described epoxy resin layer and transparent silica gel are fixed by transparent adhesive tape.
8. energy-saving LED according to claim 1 module backlight, it is characterized in that: described transparent silica gel and LGP are fixed by transparent adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200296105U CN203036420U (en) | 2013-01-21 | 2013-01-21 | Energy-saving type light-emitting diode (LED) backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200296105U CN203036420U (en) | 2013-01-21 | 2013-01-21 | Energy-saving type light-emitting diode (LED) backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203036420U true CN203036420U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200296105U Expired - Fee Related CN203036420U (en) | 2013-01-21 | 2013-01-21 | Energy-saving type light-emitting diode (LED) backlight module |
Country Status (1)
| Country | Link |
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| CN (1) | CN203036420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791455A (en) * | 2014-02-14 | 2014-05-14 | 京东方科技集团股份有限公司 | Side edge type backlight module and manufacturing method thereof and display device |
-
2013
- 2013-01-21 CN CN2013200296105U patent/CN203036420U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791455A (en) * | 2014-02-14 | 2014-05-14 | 京东方科技集团股份有限公司 | Side edge type backlight module and manufacturing method thereof and display device |
| US9366797B2 (en) | 2014-02-14 | 2016-06-14 | Boe Technology Group Co., Ltd. | Side type backlight module, method for producing the same and display apparatus |
| CN103791455B (en) * | 2014-02-14 | 2017-12-08 | 京东方科技集团股份有限公司 | Side backlight module and preparation method thereof, display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20170121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |