CN107559617A - A kind of light extracting LED panel light up and down - Google Patents
A kind of light extracting LED panel light up and down Download PDFInfo
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- CN107559617A CN107559617A CN201710984202.8A CN201710984202A CN107559617A CN 107559617 A CN107559617 A CN 107559617A CN 201710984202 A CN201710984202 A CN 201710984202A CN 107559617 A CN107559617 A CN 107559617A
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- light
- diffuser
- led panel
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- extracting led
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Abstract
A kind of light extracting LED panel light up and down provided by the invention, including rectangle lamp door, driving power, aluminium base and diffuser, driving power is fixed on rectangular lamps inframe, diffuser is fixed on rectangle lamp door surface, the equal array in aluminium base lower surface sets CSP lamp beads, diffuser includes upper diffuser and lower diffuser, upper diffuser is fixed on rectangle lamp door upper surface, lower diffuser is fixed on rectangle lamp door lower surface, lower printing opacity cover inner surface is provided with Fresnel Lenses, Fresnel Lenses and lower diffuser integrated design, it is fixed on immediately below each CSP lamp beads, upper printing opacity cover inner surface is smooth flat, printing opacity cover outer surface is smooth flat.A kind of light extracting LED panel light up and down disclosed by the invention, a part of light is emitted downwards using Fresnel Lenses, and another part light is reflected back through Fresnel Lenses, is emitted directly up, forms light extraction up and down, and the ratio between downward emergent light and upward emergent light are（3.5~4.5）：1, improve visual adaptability.
Description
Technical field
The invention belongs to LED lamp technical field, and in particular to a kind of light extracting LED panel light up and down.
Background technology
At present, the illumination mode of in the market LED panel lamp mainly has two kinds：One kind is straight-down negative, and another kind is side entering type.
Straight-down negative LED panel lamp, LED lamp bead is generally welded on strip wiring board, inserted in rectangular shaped rim or semicircle plastic tube, will
Driving power is installed in rectangular shaped rim or semicircle plastic strip, then is covered in diffuser or insertion lucite pipe.Straight-down negative
LED panel lamp, although light extraction efficiency is high, lamp body thickness is thicker, and most of one side lights, and fails to make full use of lamp body
Space, it is impossible to be applicable in the more environment of some flow-rate ratios and building Beautification design.If direct-insert LED panel lamp is made
Two-sided light extraction, it is not only complicated, and also cost greatly improves.Side entering type LED panel lamp, light source is arranged on panel both sides
In frame, using light guide plate and diffuser plate, one side illumination can be formed, double-side illumination can also be formed.Side entering type LED panel
Lamp, although lamp body is relatively thin, light extraction efficiency is low, and cost is higher.
The content of the invention
To be solved by this invention is that existing two-sided light extracting LED panel light structure is complicated, cost is higher, light extraction efficiency is low
Technical problem, there is provided a kind of light extracting LED panel light up and down simple in construction, diffusion angle is big, cost is low, utilize Fresnel Lenses
A part of light is emitted downwards, and another part light is reflected back through Fresnel Lenses, is emitted directly up, forms light extraction up and down.
In order to solve the technical problem of the present invention, the present invention is achieved by the following technical solutions：A kind of light extraction up and down
LED panel lamp, including rectangle lamp door, driving power, aluminium base and diffuser, the driving power are fixed on the rectangle lamp door
Interior, the diffuser is fixed on the rectangle lamp door surface；The equal array in aluminium base lower surface sets CSP lamp beads, described
Light shield includes upper diffuser and lower diffuser, and the upper diffuser is fixed on the rectangle lamp door upper surface, the lower diffuser
The rectangle lamp door lower surface is fixed on, the lower printing opacity cover inner surface is provided with Fresnel Lenses, the Fresnel Lenses and institute
Lower diffuser integrated design is stated, is fixed on immediately below each CSP lamp beads, is emitted a part of light downwards using Fresnel Lenses,
Another part light reflects back through Fresnel Lenses, is emitted directly up, forms light extraction up and down；The light extracting LED panel up and down
The ratio between the downward emergent light of lamp and upward emergent light are（3.5~4.5）：1, by above penetrate light and under penetrate the illumination of light both direction, carry
High classroom background luminance, student's visual adaptability is improved, avoids visual fatigue；The upper printing opacity cover inner surface is plane, described
Printing opacity cover outer surface is plane, convenient for cleaning, is safeguarded beneficial to light fixture.
Preferably, the lower printing opacity cover outer surface is frosted plane, effectively reduces student's visual stimulus, improves euphorosia
Property.
Preferably, lighting angle of the CSP lamp beads after Fresnel Lenses is emitted is not less than 120 degree, using Fresnel
Lens Design, not only diffusion angle is big, luminous wide, and effectively reduces quantity of light source, avoids dark space, substantially reduce light fixture into
This, and beneficial to radiating.
Preferably, lighting angle of the CSP lamp beads after Fresnel Lenses is emitted, can be according to illuminating light distribution demand, spirit
Regulation living, applicability are good.
Preferably, the aluminium base plate array is set, and the aluminium base is set along rectangle lamp door strip direction array, easily
In installation, beneficial to radiating.
Preferably, the diffuser is made up of PMMA or PC materials, and light transmittance has excellent chemically stable more than 90%
Property, heat endurance and translucency, strong refractiveness and electrical insulating property, good humidity resistance, antistatic, are not easy to inhale
Dirt.
Preferably, the rectangle lamp door thickness is 5mm ~ 8mm, and superthin structure designs, air attractive in appearance.
Preferably, the rectangle lamp door is made up of aluminum alloy materials, and thermal diffusivity is good.
Compared with prior art, the beneficial effect that obtains of the present invention is：
A kind of light extracting LED panel light up and down disclosed by the invention, upper diffuser are general diffuser, lower diffuser inner surface setting
Fresnel Lenses, and integrated design, it is emitted a part of light downwards using Fresnel Lenses, another part light is through Fresnel Lenses
Reflect back, be emitted directly up, form light extraction up and down.Compared with light extracting LED panel light above and below traditional side entering type, go out light efficiency
Rate is higher, and cost is lower, and light extracting LED panel light needs two pieces of light guide plates to side entering type up and down, and cost is higher, and disclosed by the invention
A kind of light extracting LED panel light up and down, only light extraction up and down need to can be achieved in lower diffuser inner surface setting Fresnel Lenses, it is upper
Light shield is common diffuser, it is not necessary to the device such as light guide plate, substantially reduces light fixture cost.With light extracting LED face above and below direct-insert
Plate lamp is compared, simple in construction, and cost is relatively low.
A kind of light extracting LED panel light up and down disclosed by the invention, is designed using Fresnel Lenses so that downward emergent light with
The ratio between emergent light luminous flux is upwards（3.5~4.5）：1, by above penetrate light and under penetrate the illumination of light both direction, meeting classroom
While lighting requirement, classroom background luminance is improved, student's visual adaptability is improved, visual fatigue is avoided, beneficial to student's eye
Health, protect eyesight.
The present invention discloses a kind of light extracting LED panel light up and down, is designed using Fresnel Lenses, and not only diffusion angle is big, hair
Smooth surface is wide, and effectively reduces quantity of light source, and LED lamp bead arrangement is more scattered, beneficial to radiating, substantially reduces light fixture cost.Pass
The LED panel lamp of system, directly super bright using light source+diffuser, if quantity of light source is less, gap is larger between light source, light fixture table
Face easily forms dark space, largely effects on illuminating effect, by increasing quantity of light source, avoids the formation of dark space.With traditional panel lamp
Compare, the present invention discloses a kind of light extracting LED panel light up and down, not only reduces the quantity of LED light source, reduces light fixture cost, carry
High-cooling property, and can be good according to illuminating light distribution demand, flexible modulation lighting angle, applicability.
The present invention discloses a kind of light extracting LED panel light up and down, and using CSP lamp beads, small volume, cost are low, are advantageous to light fixture
Superthin structure design.
The present invention discloses a kind of light extracting LED panel light up and down, and light extraction efficiency is high, and cost is low, goes out with traditional straight-down negative one side
Light is compared, and is formed light extraction up and down, is effectively reduced dazzle, improves visual adaptability.With light extracting LED panel above and below traditional side entering type
Lamp is compared, and light extraction efficiency is higher, and cost is lower, and visual adaptability is more preferable.
Brief description of the drawings
Fig. 1 is a kind of light extracting LED panel light structure schematic diagram up and down.
Fig. 2 is a kind of light extracting LED panel light structure perspective view up and down.
Fig. 3 is partial enlarged drawing at Fig. 2A.
Fig. 4 is lower diffuser structural representation.
Fig. 5 is a kind of light extracting LED panel light left view up and down.
Fig. 6 is a kind of light extracting LED panel light light distribution curve up and down.
Fig. 7 simulates pseudo- chromatic graph for a kind of light extracting LED panel light illuminating effect up and down.
Fig. 8 simulates pseudo- chromatic graph for a kind of downward illuminating effect of light extracting LED panel light up and down.
Fig. 9 is a kind of light extracting LED panel light up ligthing effect simulation puppet chromatic graph up and down.
Reference：1st, rectangle lamp door；2nd, diffuser；3rd, CSP lamp beads；4th, upper diffuser；5th, lower diffuser；6th, Fresnel
Lens.
Embodiment
Below in conjunction with the accompanying drawings, embodiment is described in detail.
Referring to accompanying drawing 1 to accompanying drawing 5, a kind of light extracting LED panel light, including rectangle lamp door 1, driving power, aluminium base up and down
With diffuser 2, the driving power is fixed in the rectangle lamp door 1, and the diffuser 2 is fixed on the table of rectangle lamp door 1
Face；The equal array in aluminium base lower surface sets CSP lamp beads 3, and the diffuser 2 includes upper diffuser 4 and lower diffuser 5, institute
To state diffuser 4 and be fixed on the upper surface of rectangle lamp door 1, the lower diffuser 5 is fixed on the lower surface of rectangle lamp door 1,
The inner surface of lower diffuser 5 is provided with Fresnel Lenses 6, the Fresnel Lenses 6 and the lower integrated design of diffuser 5,
It is fixed on immediately below each CSP lamp beads 3, is emitted a part of light downwards using Fresnel Lenses 6, another part light is saturating through Fresnel
Mirror 6 reflects back, and is emitted directly up, forms light extraction up and down；The downward emergent light of light extracting LED panel light up and down with going out upwards
Penetrating the ratio between light luminous flux is（3.5~4.5）：1, by above penetrate light and under penetrate the illumination of light both direction, it is bright to improve classroom background
Degree, student's visual adaptability is improved, avoids visual fatigue；The inner surface of upper diffuser 4 is plane, the appearance of diffuser 4
Face is plane, convenient for cleaning, is safeguarded beneficial to light fixture.
Further, the outer surface of lower diffuser 5 is frosted plane, effectively reduces student's visual stimulus, improves vision
Comfortableness.
Further, lighting angle of the CSP lamp beads 3 after the outgoing of Fresnel Lenses 6 is not less than 120 degree, using phenanthrene
Nie Er lens 6 design, and not only diffusion angle is big, luminous wide, and effectively reduces quantity of light source, avoids dark space, substantially reduces
Light fixture cost, and beneficial to radiating.
Further, lighting angle of the CSP lamp beads 3 after the outgoing of Fresnel Lenses 6, can be according to illuminating light distribution need
Ask, flexible modulation, applicability is good.
Further, the aluminium base plate array is set, and the aluminium base is set along the strip direction array of rectangle lamp door 1
Put, be easily installed, beneficial to radiating.
Further, the diffuser 4 is made up of PMMA or PC materials, and light transmittance has excellent chemistry steady more than 90%
Qualitative, heat endurance and translucency, strong refractiveness and electrical insulating property, good humidity resistance, antistatic, it is not easy to inhale
Dirt.
Further, the thickness of rectangle lamp door 1 is 5mm ~ 8mm, and superthin structure designs, air attractive in appearance.
Further, the rectangle lamp door 1 is made up of aluminum alloy materials, and thermal diffusivity is good.
Referring to accompanying drawing 6 to accompanying drawing 9, a kind of simulation distribution curve flux of light extracting LED panel light up and down, upward emergent light, without
Fresnel Lenses 6 is crossed, luminous intensity distribution is Lambertian, and downward emergent light reflects by Fresnel Lenses 6, and luminous intensity distribution is substantially rectangular, is lighted
Angle is big, and dark space is few, effectively avoids dazzle, and greatly improve the uniformity.Pseudo- chromatic graph and upward, downward puppet are simulated by illuminating effect
Chromatic graph is understood：A kind of downward emergent light luminous flux of light extracting LED panel light up and down is 104.12lm, and upward emergent light luminous flux is
26.35lm, the ratio between downward emergent light and upward emergent light are 3.95：1, dazzle is reduced, student's visual adaptability is improved, avoids regarding
Feel fatigue.
Listed above is only one of specific embodiment of the present invention.It is clear that the invention is not restricted to above example, may be used also
To there is many similar reshapings.What one of ordinary skill in the art directly can export or associate from present disclosure
All deformations, are considered as invention which is intended to be protected.
Claims (5)
1. a kind of light extracting LED panel light, including rectangle lamp door, driving power, aluminium base and diffuser up and down, the driving power
The rectangular lamps inframe is fixed on, the diffuser is fixed on the rectangle lamp door surface, it is characterised in that：Under the aluminium base
The equal array in surface sets CSP lamp beads, and the diffuser includes upper diffuser and lower diffuser, and the upper diffuser is fixed on described
Rectangle lamp door upper surface, the lower diffuser are fixed on the rectangle lamp door lower surface, and the lower printing opacity cover inner surface is provided with phenanthrene
Nie Er lens, the Fresnel Lenses and the lower diffuser integrated design, are fixed on immediately below each CSP lamp beads；It is described
The ratio between the upper and lower downward emergent light of light extracting LED panel light and upward emergent light are（3.5~4.5）：1；The upper printing opacity cover inner surface is
Plane, the printing opacity cover outer surface are plane.
A kind of 2. light extracting LED panel light up and down as claimed in claim 1, it is characterised in that：The CSP lamp beads are saturating through Fresnel
Lighting angle after mirror outgoing is not less than 120 degree.
A kind of 3. light extracting LED panel light up and down as claimed in claim 1, it is characterised in that：The aluminium base plate array is set.
A kind of 4. light extracting LED panel light up and down as described in any one of claim 1, it is characterised in that：The diffuser is
PMMA or PC materials are made.
A kind of 5. light extracting LED panel light up and down as described in any one of claim 1, it is characterised in that：The rectangle lamp door is thick
Spend for 5mm ~ 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984202.8A CN107559617A (en) | 2017-10-20 | 2017-10-20 | A kind of light extracting LED panel light up and down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984202.8A CN107559617A (en) | 2017-10-20 | 2017-10-20 | A kind of light extracting LED panel light up and down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107559617A true CN107559617A (en) | 2018-01-09 |
Family
ID=60986594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710984202.8A Pending CN107559617A (en) | 2017-10-20 | 2017-10-20 | A kind of light extracting LED panel light up and down |
Country Status (1)
| Country | Link |
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| CN (1) | CN107559617A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116772159A (en) * | 2023-08-22 | 2023-09-19 | 深圳市帝狼光电有限公司 | Double-sided desk lamp |
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| CN101046576A (en) * | 2006-03-30 | 2007-10-03 | 京东方科技集团股份有限公司 | New LED back light module |
| DE202012000007U1 (en) * | 2012-01-02 | 2012-04-10 | Hans-Wolfgang Diesing | Fresnel Difflektor |
| CN103075711A (en) * | 2012-12-20 | 2013-05-01 | 苏州奥浦迪克光电技术有限公司 | Bidirectional reflection lens light transmitting device |
| CN104279464A (en) * | 2014-09-16 | 2015-01-14 | 友达光电股份有限公司 | Double-sided backlight module |
| CN104296068A (en) * | 2013-07-17 | 2015-01-21 | 欧司朗有限公司 | Lens for lighting device and lighting device with same |
| CN206145448U (en) * | 2016-10-19 | 2017-05-03 | 广东艾罗照明科技股份有限公司 | Two -sided luminescent panel lamp |
| CN207230201U (en) * | 2017-10-20 | 2018-04-13 | 中节能晶和照明有限公司 | A kind of light extracting LED panel light up and down |
| CN108027114A (en) * | 2015-09-04 | 2018-05-11 | 恩普乐股份有限公司 | Flux control member, light-emitting device and planar light source device |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1392969A (en) * | 2000-09-29 | 2003-01-22 | 三菱电机株式会社 | Fresnel Lens, screen, image display device, lens mold manufacturing method and lens manufacturing method |
| CN101046576A (en) * | 2006-03-30 | 2007-10-03 | 京东方科技集团股份有限公司 | New LED back light module |
| DE202012000007U1 (en) * | 2012-01-02 | 2012-04-10 | Hans-Wolfgang Diesing | Fresnel Difflektor |
| CN103075711A (en) * | 2012-12-20 | 2013-05-01 | 苏州奥浦迪克光电技术有限公司 | Bidirectional reflection lens light transmitting device |
| CN104296068A (en) * | 2013-07-17 | 2015-01-21 | 欧司朗有限公司 | Lens for lighting device and lighting device with same |
| CN104279464A (en) * | 2014-09-16 | 2015-01-14 | 友达光电股份有限公司 | Double-sided backlight module |
| CN108027114A (en) * | 2015-09-04 | 2018-05-11 | 恩普乐股份有限公司 | Flux control member, light-emitting device and planar light source device |
| CN206145448U (en) * | 2016-10-19 | 2017-05-03 | 广东艾罗照明科技股份有限公司 | Two -sided luminescent panel lamp |
| CN207230201U (en) * | 2017-10-20 | 2018-04-13 | 中节能晶和照明有限公司 | A kind of light extracting LED panel light up and down |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116772159A (en) * | 2023-08-22 | 2023-09-19 | 深圳市帝狼光电有限公司 | Double-sided desk lamp |
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| CB02 | Change of applicant information |
Address after: No. 689, aixihu North Road, high tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: China energy saving Jinghe Technology Co.,Ltd. Address before: No. 689, aixihu North Road, high tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant before: CECEP LATTICELIGHTING Co.,Ltd. |
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