CN103123084A - Solar backlight source and light-emitting banner - Google Patents
Solar backlight source and light-emitting banner Download PDFInfo
- Publication number
- CN103123084A CN103123084A CN2012105140199A CN201210514019A CN103123084A CN 103123084 A CN103123084 A CN 103123084A CN 2012105140199 A CN2012105140199 A CN 2012105140199A CN 201210514019 A CN201210514019 A CN 201210514019A CN 103123084 A CN103123084 A CN 103123084A
- Authority
- CN
- China
- Prior art keywords
- lgp
- led light
- light source
- solar cell
- flag
- 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
Images
Abstract
A solar backlight source and a light-emitting banner comprise a solar cell, a plurality of light-emitting diode (LED) light sources and light guide plates, wherein the plurality of the LED light sources are respectively connected with a voltage output end of the solar cell in parallel, and the plurality of the LED light sources are arranged on the side surface of the light guide plates. Each light guide plate is provided with two surfaces, wherein at least one surface is provided with a plurality of concave points, the concave points are identical in sizes and in hemispherical shapes or rectangular shapes, and the surface of each concave point is rough. The solar backlight source and the light-emitting banner have the advantages of being little in using point light source, simpler in line, lower in cost, smaller in energy consumption of a light source, and uniform in light distribution. Moreover, the luminous effect can not be influenced after a local point light source is damaged, and marketing is benefited.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of solar energy backlight and Luminous flag.
Background technology
Along with the development of lighting engineering, the use of backlight is more and more extensive.Such as, the backlight that national flag, billboard, promotional plate etc. use.Traditional a kind of backlight is arranged at planar surface uniformly with a plurality of spot lights usually, the spot light that uses is more, connection line is more complicated, cost is higher, the power supply energy consumption is larger, backlight is better near the brightness at spot light place, the brightness at point of distance light source place is darker, distribution of light is inhomogeneous, and, after the partial points light source damages, the backlight local obfuscation can't realize illuminating effect preferably.Another backlight is a plurality of spot lights to be arranged at uniformly the side of LGP, the light that the close spot light of LGP place reflects is too much, brightness is excessive, the luminous energy loss is larger, and the light that point of distance light source place reflects is very few, too dark brightness, in order to improve the brightness at LGP point of distance light source place, need to increase the number of spot light, cost is higher, and energy consumption is larger.
In sum, the spot light that traditional backlight uses is more, circuit is more complicated, the cost input is higher, energy consumption is large, distribution of light is inhomogeneous, after the partial points light source damages, and the backlight local obfuscation, can't realize illuminating effect preferably, be unfavorable for the popularization in market.
Summary of the invention
Based on this, be necessary that the spot light that uses for traditional backlight is more, circuit is more complicated, the cost input is higher, the power supply energy consumption is large, distribution of light is inhomogeneous, after the partial points light source damages, the backlight local obfuscation, can't realize the problem of illuminating effect preferably, provide a kind of spot light of use less, circuit is simple, cost is lower, the power supply energy consumption is less, distribution of light is more even, can not affect the solar energy backlight of illuminating effect after the partial points light source damages.
A kind of solar energy backlight, comprise solar cell, a plurality of LED light source and LGP, described a plurality of LED light source is connected in parallel in respectively the voltage output end of described solar cell, described a plurality of LED light source is arranged at the side of described LGP, described LGP has two surfaces, wherein at least one surface is provided with the identical concave point of a plurality of size dimensions, and it is hemispherical or rectangular-shaped that described concave point is, and the surface of described concave point is hair side.
In a preferred embodiment, described a plurality of concave point is arranged at one of them surface of described LGP.
In a preferred embodiment, described a plurality of LED light source embeds described LGP from the side of described LGP.
In a preferred embodiment, described LGP has a plurality of sides, and described a plurality of LED light sources embed described LGP side by side from one of them side of described LGP.
In a preferred embodiment, described LGP is acrylic board, light diffusing sheet or transparent panel.
In a preferred embodiment, described a plurality of concave point adopts laser scoring to form.
In a preferred embodiment, also comprise optical controlled switch or time switch, described optical controlled switch or time switch are connected in connecting circuit between described solar cell and described a plurality of LED light source; Described optical controlled switch is used for reaching the very first time in the continuous darkness time and connects connecting circuit between described solar cell and described a plurality of LED light source during threshold value, and cuts off the connecting circuit between described solar cell and described a plurality of LED light source when the continuous illumination time reaches the second time threshold; Described time switch is used for the connecting circuit between regularly connection and the described solar cell of timing turning off and described a plurality of LED light source.
In addition, also provide a kind of Luminous flag.
A kind of Luminous flag comprises transparent or semitransparent flag face, and described flag mask has the flag pattern, also comprises solar energy backlight described above, and it is inner that described LGP and a plurality of LED light source are arranged at described flag face.
In a preferred embodiment, described Luminous flag also comprises flagpole and press button, described flag face is fixed in described flagpole, described solar cell is arranged at described flagpole, described press button is arranged at described flagpole, is connected in the connecting circuit of described solar cell and described a plurality of LED light sources.
In a preferred embodiment, described Luminous flag also comprises support, and described support is used for supporting described flag face, and described support is provided with installed part, and described installed part is used for described Luminous flag is installed, and described solar cell is arranged at described support.
above-mentioned solar energy backlight and Luminous flag, a surface uniform of LGP be provided with the identical concave point of size dimension the time, when LED light source is lighted, light exposes to the one side that LGP has concave point, light is in the hair side generation diffuse reflection of concave point, do not have a surface of concave point to other concave points or the LGP through the more uniform step-and-shoot of light of the unrestrained emission of any one concave point, diffuse reflection occurs or after the one side generation total reflection that does not have concave point on LGP at other concave points in light again, the multiple total reflection that does not have concave point on the unrestrained emission of a plurality of concave points of process and LGP, improved greatly light in the inner uniformity that distributes of LGP, light is in a plurality of concave points occur do not have the one side generation multiple total reflection process of concave point on unrestrained emission or LGP, the light that meets the refraction condition goes out from two surface refraction of LGP uniformly, the solar energy backlight is reached go out more uniformly light effect and illuminating effect preferably.In the inner uniformity that distributes of LGP, after damaging, the partial LED light source substantially can not affect the light effect that of LGP due to light.Be provided with the LGP of a plurality of concave points for two surfaces, unrestrained emission all occurs in light on two surfaces, and through the unrestrained emission of a plurality of concave points, the light that reflects is more even, and the illuminating effect of solar energy backlight is better.In addition, above-mentioned solar energy backlight, less by the light that directly reflects through the LED light source place, most of light goes out from the surface refraction of LGP after through unrestrained emission or total reflection uniformly, light utilization is higher, need LED light source less, circuit is simpler, and the power supply energy consumption is less, demanded power output to solar cell is lower, reduce the volume of solar cell, reduced the cost input, be conducive to the popularization in market.
Description of drawings
Fig. 1 is the schematic diagram of the solar energy backlight of an embodiment;
Fig. 2 is the A-A visual angle profile of LGP in Fig. 1;
Fig. 3 is the schematic diagram of the Luminous flag of an embodiment;
Fig. 4 is the schematic diagram of the Luminous flag of another embodiment.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, in one embodiment, a kind of solar energy backlight comprises solar cell 110, a plurality of LED light source 120 and LGP 130.A plurality of LED light sources 120 are connected in parallel in respectively the voltage output end of solar cell 110, and usually, solar cell 110 utilizes the illumination green energy resource to charge and the autostore electric energy, to power for LED light source under dark surrounds.Because the energy consumption of LED light source 120 is less, the solar cell 110 after charging can satisfy the energy consumption demand of a plurality of LED light sources 120 fully.In the present embodiment, the solar energy backlight also comprises optical controlled switch or time switch.Optical controlled switch or time switch are connected in connecting circuit between solar cell 110 and a plurality of LED light source 120.When selecting optical controlled switch, optical controlled switch reaches the very first time in the continuous darkness time and connects connecting circuit between solar cell 110 and a plurality of LED light source 120 during threshold value, and when the continuous illumination time reaches the second time threshold the connecting circuit between cut-out solar cell 110 and a plurality of LED light source 120.When selecting time switch, time switch regularly connect and timing turning off solar cell 110 and a plurality of LED light source 120 between connecting circuit.A plurality of LED light sources 120 are arranged at the side of LGP 130.In the present embodiment, a plurality of LED light sources 120 embed LGP 130 from the side of LGP 130.A plurality of LED light sources 120 all adopt lighting angle at 15 °～60 ° LED light sources, and light source embeds in LGP 130, the loss of unglazed energy.Usually, LGP 130 has a plurality of sides, and a plurality of LED light sources 120 embed LGP 130 side by side from one of them side of LGP 130.LGP 130 is acrylic board, light diffusing sheet or transparent panel.LGP 130 has two surfaces, and wherein at least one surface is provided with the identical concave point of a plurality of size dimensions 132, and in the present embodiment, a plurality of concave points 132 are arranged at one of them surface of LGP 130.It is hemispherical or rectangular-shaped that concave point 132 is, and concave point 132 opening parts are of a size of 0.5～0.8 millimeter, and the spacing of adjacent concave point 132 is 1.0～1.6 millimeters.The surface of concave point 132 is hair side, and concave point 132 adopts laser scoring to form.Solar cell is selected 3.2～3.7 volts usually.
above-mentioned solar energy backlight, a surface uniform of LGP 130 be provided with the identical concave point 132 of size dimension the time, when LED light source is lighted, light exposes to the one side that LGP 130 has concave point 132, light is in the hair side generation diffuse reflection of concave point 132, do not have a surface of concave point to other concave points or the LGP 130 through the more uniform step-and-shoot of light of the unrestrained emission of any one concave point, diffuse reflection occurs or after the one side generation total reflection that does not have concave point on LGP 130 at other concave points in light again, the multiple total reflection that does not have concave point on the unrestrained emission of a plurality of concave points 132 of process and LGP, improved greatly light in the inner uniformity that distributes of LGP 130, light is in a plurality of concave points 132 occur do not have the one side generation multiple total reflection process of concave point on unrestrained emission or LGP 130, the light that meets the refraction condition goes out from 130 two surface refraction of LGP uniformly, the solar energy backlight is reached go out more uniformly light effect and illuminating effect preferably.In the inner uniformity that distributes of LGP 130, after damaging, the partial LED light source substantially can not affect the light effect that of LGP 130 due to light.Be provided with the LGP 130 of a plurality of concave points 132 for two surfaces, unrestrained emission all occurs in light on two surfaces, and through the unrestrained emission of a plurality of concave points, the light that reflects is more even, and the illuminating effect of solar energy backlight is better.In addition, above-mentioned solar energy backlight, less by the light that directly reflects through the LED light source place, most of light goes out from the surface refraction of LGP after through unrestrained emission or total reflection uniformly, light utilization is higher, need LED light source less, circuit is simpler, and the power supply energy consumption is less, demanded power output to solar cell is lower, reduce the volume of solar cell, reduced the cost input, be conducive to the popularization in market.Above-mentioned solar energy back light is carried out the illumination test, selecting light illumination is that the LED light source of 12000 luxs is tested the LGP 130 that one of them surface is provided with concave point 132 and tested, test is with the surface of concave point 132, test successively LGP 130 surface near LED light source starting point places, middle part and away from the brightness value at LED light source place along the light path bearing of trend of LGP 130, the brightness value that records respectively is 8000 luxs, 6200 luxs and 4900 luxs.And the LGP of selecting the two sides to be the light face is tested, and the data that record are respectively 11000 luxs, 5000 luxs and 1000 luxs.Test data more as can be known, the illumination on above-mentioned solar energy back light surface is more even, the light of LGP 130 surperficial transmissions is more even.
As shown in Figure 3, in one embodiment, a kind of Luminous flag comprises the solar energy backlight in transparent or semitransparent flag face 310 and above-described embodiment, and flag face 310 has the flag pattern, and LGP and a plurality of LED light source are arranged at the inside of flag face 310.
In the present embodiment, Luminous flag also comprises flagpole 320, and flag face 310 is fixed in flagpole 320, and solar cell 110 is arranged at flagpole 320, usually is arranged at the top of flagpole 320.Be provided with press button 330 in the connecting circuit of solar cell 110 and a plurality of LED light sources, press button 330 is arranged at flagpole 320, the more easy position of touching when usually being arranged at the user and holding flagpole 320.
As shown in Figure 4, in another embodiment, Luminous flag also comprises support 410, support 410 is used for supporting flag face 310, support 410 is provided with installed part 412, and installed part 412 is used for Luminous flag is installed, such as, can Luminous flag be installed on by installed part 412 lamp bracket in roadside, solar cell 110 is arranged at support or is installed on the lamp bracket top.
Above-mentioned solar energy backlight and Luminous flag, the spot light that uses is less, circuit is simple, cost is lower, the power supply energy consumption is less, distribution of light is more even, can not affect the solar energy backlight of illuminating effect after the partial points light source damages, have marketing preferably and use value.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. solar energy backlight, it is characterized in that, comprise solar cell, a plurality of LED light source and LGP, described a plurality of LED light source is connected in parallel in respectively the voltage output end of described solar cell, described a plurality of LED light source is arranged at the side of described LGP, and described LGP has two surfaces, and wherein at least one surface is provided with the identical concave point of a plurality of size dimensions, it is hemispherical or rectangular-shaped that described concave point is, and the surface of described concave point is hair side.
2. solar energy backlight according to claim 1, is characterized in that, described a plurality of concave points are arranged at one of them surface of described LGP.
3. solar energy backlight according to claim 1, is characterized in that, described a plurality of LED light sources embed described LGP from the side of described LGP.
4. solar energy backlight according to claim 3, is characterized in that, described LGP has a plurality of sides, and described a plurality of LED light sources embed described LGP side by side from one of them side of described LGP.
5. solar energy backlight according to claim 1, is characterized in that, described LGP is acrylic board, light diffusing sheet or transparent panel.
6. solar energy backlight according to claim 1, is characterized in that, described a plurality of concave points adopt laser scoring to form.
7. solar energy backlight according to claim 1, is characterized in that, also comprises optical controlled switch or time switch, and described optical controlled switch or time switch are connected in connecting circuit between described solar cell and described a plurality of LED light source; Described optical controlled switch is used for reaching the very first time in the continuous darkness time and connects connecting circuit between described solar cell and described a plurality of LED light source during threshold value, and cuts off the connecting circuit between described solar cell and described a plurality of LED light source when the continuous illumination time reaches the second time threshold; Described time switch is used for the connecting circuit between regularly connection and the described solar cell of timing turning off and described a plurality of LED light source.
8. Luminous flag, comprise transparent or semitransparent flag face, described flag mask has the flag pattern, it is characterized in that, also comprise the described solar energy backlight of any one in claim 1 to 7, it is inner that described LGP and a plurality of LED light source are arranged at described flag face.
9. Luminous flag according to claim 8, it is characterized in that, described Luminous flag also comprises flagpole and press button, described flag face is fixed in described flagpole, described solar cell is arranged at described flagpole, described press button is arranged at described flagpole, is connected in the connecting circuit of described solar cell and described a plurality of LED light sources.
10. Luminous flag according to claim 8, is characterized in that, described Luminous flag also comprises support, described support is used for supporting described flag face, described support is provided with installed part, and described installed part is used for described Luminous flag is installed, and described solar cell is arranged at described support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105140199A CN103123084A (en) | 2012-11-30 | 2012-11-30 | Solar backlight source and light-emitting banner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105140199A CN103123084A (en) | 2012-11-30 | 2012-11-30 | Solar backlight source and light-emitting banner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103123084A true CN103123084A (en) | 2013-05-29 |
Family
ID=48454161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105140199A Pending CN103123084A (en) | 2012-11-30 | 2012-11-30 | Solar backlight source and light-emitting banner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103123084A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104809967A (en) * | 2014-01-26 | 2015-07-29 | 吕海波 | Hard board solar lighting and remote control national flag |
| CN106932851A (en) * | 2015-12-31 | 2017-07-07 | 佛山市顺德区德联邦盛光电科技有限公司 | A kind of pair of concave surface light guide plate of round dot |
| CN110148366A (en) * | 2019-04-15 | 2019-08-20 | 江苏驰德照明有限公司 | A kind of flat luminous flag of outdoor LED |
| CN110264910A (en) * | 2019-07-03 | 2019-09-20 | 东莞市钜欣电子有限公司 | A kind of light-emitting indicating sign board |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11224510A (en) * | 1998-02-09 | 1999-08-17 | Omron Corp | Surface light source device |
| EP1291834A1 (en) * | 2001-09-07 | 2003-03-12 | Woodsys | Informations presentation device with at least one lighting device |
| CN1584957A (en) * | 2004-05-28 | 2005-02-23 | 杨忠义 | LED subdued planar panel displaying (illumination) devices |
| CN101644415A (en) * | 2008-08-09 | 2010-02-10 | 清华大学 | Light guide plate and backlight module |
| CN201475850U (en) * | 2009-06-24 | 2010-05-19 | 陈琪 | Solar photoelectric lamp box |
| CN202003636U (en) * | 2010-09-21 | 2011-10-05 | 伊夫·弗雷德里克·爱米尔·马歇 | Luminous flag |
| CN203082767U (en) * | 2012-11-30 | 2013-07-24 | 浙江明烁电子科技有限公司 | Solar back light source and luminous flag |
-
2012
- 2012-11-30 CN CN2012105140199A patent/CN103123084A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11224510A (en) * | 1998-02-09 | 1999-08-17 | Omron Corp | Surface light source device |
| EP1291834A1 (en) * | 2001-09-07 | 2003-03-12 | Woodsys | Informations presentation device with at least one lighting device |
| CN1584957A (en) * | 2004-05-28 | 2005-02-23 | 杨忠义 | LED subdued planar panel displaying (illumination) devices |
| CN101644415A (en) * | 2008-08-09 | 2010-02-10 | 清华大学 | Light guide plate and backlight module |
| CN201475850U (en) * | 2009-06-24 | 2010-05-19 | 陈琪 | Solar photoelectric lamp box |
| CN202003636U (en) * | 2010-09-21 | 2011-10-05 | 伊夫·弗雷德里克·爱米尔·马歇 | Luminous flag |
| CN203082767U (en) * | 2012-11-30 | 2013-07-24 | 浙江明烁电子科技有限公司 | Solar back light source and luminous flag |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104809967A (en) * | 2014-01-26 | 2015-07-29 | 吕海波 | Hard board solar lighting and remote control national flag |
| CN106932851A (en) * | 2015-12-31 | 2017-07-07 | 佛山市顺德区德联邦盛光电科技有限公司 | A kind of pair of concave surface light guide plate of round dot |
| CN110148366A (en) * | 2019-04-15 | 2019-08-20 | 江苏驰德照明有限公司 | A kind of flat luminous flag of outdoor LED |
| CN110264910A (en) * | 2019-07-03 | 2019-09-20 | 东莞市钜欣电子有限公司 | A kind of light-emitting indicating sign board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201187711Y (en) | High energy-saving double-side advertising lamp box with LED lamp as light source | |
| CN202855236U (en) | Light-Emitting Diode (LED) luminous signboard | |
| CN101694277B (en) | Backlight module and beam splitter thereof | |
| CN205027928U (en) | Light guide plate, backlight and intelligent wrist -watch | |
| CN103123084A (en) | Solar backlight source and light-emitting banner | |
| CN202647443U (en) | LED (light emitting diode) backlight module and LED liquid crystal display device | |
| CN201892148U (en) | Side-illuminating light emitting diode lamp shade modified structure | |
| CN203965766U (en) | A kind of backlight module with high brightness laser site formula light guide plate | |
| CN203870362U (en) | Display device | |
| CN203068419U (en) | Light emitting diode (LED) lens module and lamp capable of achieving uniform surface light emitting | |
| CN102588802A (en) | LED planar lamp | |
| CN201868053U (en) | Energy-saving spectacular structure | |
| CN203082767U (en) | Solar back light source and luminous flag | |
| CN201050738Y (en) | Lamp box using as index tag | |
| CN201652193U (en) | Illumination diffusion system of LED lamp | |
| CN203571522U (en) | LED reading lamp | |
| CN203615093U (en) | Two-sided luminous type plane lamps and lanterns | |
| CN102588803A (en) | Plate type LED lamp | |
| CN202493942U (en) | Panel light emitting diode (LED) lamp | |
| CN201615441U (en) | Light guide plate | |
| JP2002202739A (en) | Illuminator | |
| CN201764283U (en) | Lighting or indicator lamp | |
| CN201897100U (en) | Illumination device and illumination lamp, advertisement lamp box, signpost box and ultrathin photo frame applying same | |
| CN202303053U (en) | Backlight module without light guide plate | |
| CN204836309U (en) | High appearance of clapping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130529 |