CN106641867A - Natural light type LED panel lamp - Google Patents
Natural light type LED panel lamp Download PDFInfo
- Publication number
- CN106641867A CN106641867A CN201610933438.4A CN201610933438A CN106641867A CN 106641867 A CN106641867 A CN 106641867A CN 201610933438 A CN201610933438 A CN 201610933438A CN 106641867 A CN106641867 A CN 106641867A
- Authority
- CN
- China
- Prior art keywords
- led lamp
- led
- lamp bar
- panel
- lamp bead
- 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
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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
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
Abstract
The invention provides a natural light type LED panel lamp. The LED panel lamp comprises a first panel, a second panel parallel to the first panel, a first LED lamp strip, a second LED lamp strip, a third LED lamp strip, a fourth LED lamp strip and a plurality of free-form surface lenses, wherein the four LED lamp strips are positioned between the first panel and the second panel and mutually encircled to form a quadrilateral, and the free-form surface lenses are located in the quadrilateral. The first panel and/or the second panel are/is a diffusion plate, the first LED lamp strip and the third LED lamp strip are parallel to each other, and the second LED lamp strip and the fourth LED lamp strip are parallel to each other; the first LED lamp strip, the second LED lamp strip, the third LED lamp strip and the fourth LED lamp strip are each provided with a plurality of LED lamp beads which are arranged at equal intervals, and each free-form surface lens corresponds to one LED lamp bead. By means of the scheme, the natural light type LED panel lamp provided by the invention is relatively low in cost and relatively high in coupling efficiency and luminous efficiency.
Description
Technical field
The present invention relates to a kind of lighting device, especially a kind of natural light type LED flat lamp.
Background technology
Recently as the fast development of LED illumination technology, the species of LED illumination lamp is also being continuously increased, wherein LED
Flat lamp due to uniform in light emission, light is soft the features such as be widely used.
The structure that existing LED flat lamp is generally adopted has two kinds, and one kind is side entering type flat lamp, and this kind of flat lamp is usual
Need using light guide plate come reflection light, cost is of a relatively high and coupling efficiency is relatively low；Another kind is the flat board of straight-down negative
Lamp, the lamp bead quantity used needed for this kind of flat lamp is more, and cost is of a relatively high and light extraction efficiency is relatively low.
Additionally, existing LED flat lamp with as existing most of LED lamps, generally only with white light LEDs lamp bar or
Lamp bead, it is scarce that its light and natural light have that larger difference, generally existing blue light spillings, colour rendering difference etc. be harmful to human eye
Fall into.
In view of this, the applicant conducts in-depth research to the structure of LED flat lamp, has this case to produce then.
The content of the invention
It is an object of the invention to provide a kind of advantage of lower cost and coupling efficiency and light extraction efficiency it is of a relatively high from
Right light type LED flat lamp.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of natural light type LED flat lamp, including the first panel and second panel being parallel to each other, is respectively located at described the
Surround between one panel and the second panel and mutually the first LED lamp bar, the second LED lamp bar, the 3rd LED lamp bar of quadrangle
With the 4th LED lamp bar and multiple free-form surface lens inside the quadrangle, the first panel and/or described second
Panel is diffuser plate, and first LED lamp bar and the 3rd LED lamp bar are parallel to each other, second LED lamp bar and described
Four LED lamp bars are parallel to each other, first LED lamp bar, second LED lamp bar, the 3rd LED lamp bar and the described 4th
Respectively spaced set has multiple LED lamp beads in LED lamp bar, each described free-form surface lens respectively with a LED
Pearl mutually corresponds to.
It is even on the plane of incidence of the diffuser plate to be provided with multiple not isosceles triangular prisms, outgoing as a modification of the present invention
It is even on face to be provided with multiple spherical grooves.
As a modification of the present invention, first LED lamp bar, second LED lamp bar, the 3rd LED lamp bar
Include warm white LED lamp bead, cool white light LED lamp bead, cyan light LED with the LED lamp bead in the 4th LED lamp bar
Pearl, green light LED lamp bead and red light LED lamp bead.
As a modification of the present invention, the warm white LED lamp bead, the cool white light LED lamp bead, the cyan light
LED lamp bead, the green light LED lamp bead and the red light LED lamp bead are according to 12:3:7:3:11 ratio cycle arrangement.
As a modification of the present invention, all it is provided only with first LED lamp bar and the 3rd LED lamp bar described
Warm white LED lamp bead and the red light LED lamp bead.
As a modification of the present invention, the LED lamp bead in first LED lamp bar and the 3rd LED lamp bar
Arrangement it is identical, second LED lamp bar is identical with the arrangement of the LED lamp bead in the 4th LED lamp bar.
Used as a modification of the present invention, the free-form surface lens are the free-form surface lens of PMMA materials.
Above-mentioned technical proposal is adopted, the invention has the advantages that：
1st, by the light guide plate using the traditional LED flat lamp of free-form surface lens replacement, and each free-form surface lens point
It is mutually not corresponding with a LED lamp bead, advantage of lower cost and coupling efficiency and light extraction efficiency are of a relatively high.
2nd, multiple not isosceles triangular prisms are provided with by even on the plane of incidence of diffuser plate, it is even on exit facet to be provided with multiple spherical
Groove so that diffuser plate can efficiently suppress Fei Nier to reflect, reduces reflection loss.
3rd, by selecting the LED lamp bead of multiple color, and the LED lamp bead of shades of colour is arranged in a particular order, can be with
The part of dialogue color spectrum disappearance carries out complementary color, than natural light spectrum at fitting, reduces blue light and overflows, and improves colour rendering.
Description of the drawings
Fig. 1 is the structural representation of nature light type LED flat lamp of the invention；
Fig. 2 is the arrangement mode schematic diagram of the LED lamp bead in the present invention in the first LED lamp bar；
Fig. 3 is the arrangement mode schematic diagram of the LED lamp bead in the present invention in the second LED lamp bar；
Fig. 4 is the operation principle schematic diagram of free-form surface lens in the present invention；
Fig. 5 is the operation principle schematic diagram of diffuser plate in the present invention.
Correspondence is indicated in figure as follows：
10- first panels；20- second panels；
The LED lamp bars of 30- first；31- warm white LED lamp beads；
32- cool white light LED lamp beads；33- cyan light LED lamp beads；
34- green light LED lamp beads；35- red light LED lamp beads；
The LED lamp bars of 40- second；The LED lamp bars of 50- the 3rd；
The LED lamp bars of 60- the 4th；70- free-form surface lens.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described further with specific embodiment.
As shown in figure 1, the natural light type LED flat lamp that the present embodiment is provided, including the He of first panel 10 being parallel to each other
Second panel 20, respectively be located between first panel 10 and second panel 20 and mutually surround quadrangle the first LED lamp bar 30,
Second LED lamp bar 40, the 3rd LED lamp bar 50 and the 4th LED lamp bar 60 and multiple free form surfaces inside the quadrangle
Lens 70, i.e. free-form surface lens 70 also are located between first panel 10 and second panel 20, and are covered by the first LED lamp bar
30th, in the quadrangle that the second LED lamp bar 40, the 3rd LED lamp bar 50 and the 4th LED lamp bar 60 are surrounded.Additionally, the first LED
The quadrangle that article the 30, second LED lamp bar 40, the 3rd LED lamp bar 50 and the 4th LED lamp bar 60 are surrounded is preferably square.
First panel 10 and/or second panel 20 are that natural light type LED flat lamp in diffuser plate, i.e. the present embodiment can be with
For one side flat lamp, or double-faced flat-sheet lamp, in the present embodiment with first panel 10 and second panel 20 all as diffusion
Illustrate as a example by the double-faced flat-sheet lamp of plate.Diffuser plate preferably can efficiently suppress the diffuser plate that Fei Nier reflects, in this enforcement
It is even on the plane of incidence of diffuser plate to be provided with multiple not isosceles triangular prisms in example, it is even on exit facet to be provided with multiple spherical grooves, need explanation
, the not isosceles triangular prism and spherical groove on diffuser plate is all the micro-structural being relatively small in size, and so be may insure from remote
Place cannot see spherical groove when seeing, appearance is more attractive in appearance, additionally, the above-mentioned plane of incidence refers to diffuser plate towards LED lamp bar side
Side, exit facet refers to side of the diffuser plate away from LED lamp bar side.
First LED lamp bar 30 and the 3rd LED lamp bar 50 are parallel to each other, and the second LED lamp bar 40 and the 4th LED lamp bar 60 are mutual
It is parallel, and equidistantly set respectively in the first LED lamp bar 30, the second LED lamp bar 40, the 3rd LED lamp bar 50 and the 4th LED lamp bar 60
It is equipped with multiple LED lamp beads, it is preferred that in the present embodiment, the first LED lamp bar 30, the second LED lamp bar 40, the 3rd LED lamp bar 50
Include warm white LED lamp bead 31, cool white light LED lamp bead 32, cyan light LED lamp bead with the LED lamp bead in the 4th LED lamp bar 60
33rd, the LED lamp bead in green light LED lamp bead 34 and the LED lamp bar of red light LED lamp bead 35, i.e., four 30 has five kinds of color class
Type, the LED lamp bead of this five kinds of color types directly can be obtained commercially, no longer be described in detail herein.
The number ratio of all kinds of LED lamp beads and arrangement mode can be determined according to fitting AM1.5 standard solar spectrums, have
Body, the discrete spectrum data of the light source of the LED lamp bead of above-mentioned five kinds of color types are measured first with integrating sphere experiment, by
Have differences in the power of the LED lamp bead of each color type, the absolute spectroscopic data of the light source of preferred LED lamp bead during fitting；So
Afterwards using AM1.5 standard solar spectrums as target optical spectrum, and by the spectroscopic data of the LED lamp bead of each color type for measuring with
And AM1.5 standard solar spectrums discrete data imports spectrum simulation Mathematical Modeling and is calculated, and calculates and obtains warm white LED lamp bead
31st, the number ratio of cool white light LED lamp bead 32, cyan light LED lamp bead 33, green light LED lamp bead 34 and red light LED lamp bead 35
For 12:3:7:3:11, it should be noted that integrating sphere experiment method is conventional experiment method, spectrum simulation Mathematical Modeling
It is conventional model, no longer describes in detail herein.
In the present embodiment, the light-emitting area size of flat lamp be 60mm X 240mm, the LED in four LED lamp bars 30
Pearl has 72 LED lamp beads, wherein warm white LED lamp bead 31, cool white light LED lamp bead 32, cyan light LED lamp bead 33, green light
LED lamp bead 34 and red light LED lamp bead 35 are according to 12:3:7:3:11 ratio cycle arrangement, i.e., 72 each LED lamp beads press two
Periodic arrangement, additionally, being all provided only with warm white LED lamp bead 31 and red light in the first LED lamp bar 30 and the 3rd LED lamp bar 50
LED lamp bead 35, and the first LED lamp bar 30 is identical with the arrangement of the LED lamp bead in the 3rd LED lamp bar 50 but orientation phase
Instead, the second LED lamp bar 40 is identical with the arrangement of the LED lamp bead in the 4th LED lamp bar 60 but orientation is conversely, concrete
, the arrangement mode of the LED lamp bead in the first LED lamp bar 30 is as shown in Fig. 2 cyan light LED lamp bead 33, green light LED lamp bead
34th, successively cycle alternation is arranged for cyan light LED lamp bead 33 and cool white light LED lamp bead 32；LED lamp bead in second LED lamp bar 40
Arrangement mode accompanying drawing 3 shown in, warm white LED lamp bead 31 and red light LED lamp bead 35 cycle alternation arrangement successively.Need explanation
, in figs. 2 and 3, different filling lines represents the LED lamp bead of different colours.
Free-form surface lens 70 are preferably the free-form surface lens of PMMA materials, preferably double free form surfaces of PMMA materials
Lens.Each free-form surface lens 70 is mutually corresponding with a LED lamp bead respectively.Because each LED lamp bead is equidistantly arranged, can root
The spacing and each LED lamp bead for obtaining each LED lamp bead according to the calculating of flat lamp light-emitting area size and each LED lamp bead spectroscopic data is expanding
Illumination spot radius on falling apart, then adjusts in turn each LED lamp bead spacing according to the illumination spot radius of each LED lamp bead,
Guarantee that the light that the LED lamp bead of five kinds of color types sends can be with uniform irradiation to whole exiting surface.
As shown in Figure 4 and Figure 5, when using, the light beam that LED lamp bead sends direct irradiation Jing after the refraction of free-form surface lens 70
To in first panel 10 and second panel 20, it is irradiated to first panel 10 or the near vertical of second panel 20 is incident corresponding
The S1 surfaces of waist triangular prism, it is ensured that the Fei Nier reflections on S1 surfaces are minimum, and the transmitted light beam on S1 surfaces is radiated at not isosceles Rhizoma Sparganii
The S2 surfaces of post produce total internal reflection, and make reflection light vertically inject the exit facet of diffuser plate, to reduce the reflection of exit facet
Loss, the finally surface refraction output with small incident in spherical groove produces angular spread, it is ensured that the light of flat lamp is close to
Natural light.
The present invention is described in detail above in conjunction with accompanying drawing, but embodiments of the present invention be not limited in it is above-mentioned
Embodiment, those skilled in the art can make various modifications according to prior art to the present invention, such as by above-described embodiment
Free-form surface lens 70 free-form surface lens of other materials etc. are changed to by the free-form surface lens of PMMA materials, these are all
Belong to protection scope of the present invention.
Claims (7)
1. a kind of natural light type LED flat lamp, it is characterised in that including the first panel and second panel being parallel to each other, respectively
Surround between the first panel and the second panel and mutually the first LED lamp bar of quadrangle, the second LED lamp bar,
3rd LED lamp bar and the 4th LED lamp bar and multiple free-form surface lens inside the quadrangle, the first panel
And/or the second panel is diffuser plate, first LED lamp bar and the 3rd LED lamp bar are parallel to each other, described second
LED lamp bar and the 4th LED lamp bar are parallel to each other, first LED lamp bar, second LED lamp bar, the 3rd LED
Respectively spaced set has multiple LED lamp beads in lamp bar and the 4th LED lamp bar, each described free-form surface lens respectively with
One LED lamp bead is mutually corresponded to.
2. nature light type LED flat lamp as claimed in claim 1, it is characterised in that even on the plane of incidence of the diffuser plate to set
There are multiple not isosceles triangular prisms, it is even on exit facet to be provided with multiple spherical grooves.
3. nature light type LED flat lamp as claimed in claim 1 or 2, it is characterised in that first LED lamp bar, described the
The LED lamp bead in two LED lamp bars, the 3rd LED lamp bar and the 4th LED lamp bar includes warm white LED lamp bead, cold
White light LEDs lamp bead, cyan light LED lamp bead, green light LED lamp bead and red light LED lamp bead.
4. nature light type LED flat lamp as claimed in claim 3, it is characterised in that the warm white LED lamp bead, described cold
White light LEDs lamp bead, the cyan light LED lamp bead, the green light LED lamp bead and the red light LED lamp bead are according to 12:3:7:
3:11 ratio cycle arrangement.
5. nature light type LED flat lamp as claimed in claim 4, it is characterised in that first LED lamp bar and the described 3rd
The warm white LED lamp bead and the red light LED lamp bead are all provided only with LED lamp bar.
6. the natural light type LED flat lamp as described in claim 4 or 5, it is characterised in that first LED lamp bar and described
The arrangement of the LED lamp bead in the 3rd LED lamp bar is identical, in second LED lamp bar and the 4th LED lamp bar
The arrangement of the LED lamp bead is identical.
7. nature light type LED flat lamp as claimed in claim 3, it is characterised in that the free-form surface lens are PMMA materials
The free-form surface lens of matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933438.4A CN106641867A (en) | 2016-10-31 | 2016-10-31 | Natural light type LED panel lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933438.4A CN106641867A (en) | 2016-10-31 | 2016-10-31 | Natural light type LED panel lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106641867A true CN106641867A (en) | 2017-05-10 |
Family
ID=58820326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610933438.4A Pending CN106641867A (en) | 2016-10-31 | 2016-10-31 | Natural light type LED panel lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106641867A (en) |
Citations (10)
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|---|---|---|---|---|
| US20070201246A1 (en) * | 2004-08-31 | 2007-08-30 | Fusion Optix, Inc. | Enhanced Light Diffusing Sheet |
| CN101191847A (en) * | 2006-12-01 | 2008-06-04 | 鸿富锦精密工业（深圳）有限公司 | Optical plate |
| CN101290340A (en) * | 2008-04-29 | 2008-10-22 | 李果华 | LED solar simulator |
| CN101790264A (en) * | 2009-12-24 | 2010-07-28 | 复旦大学 | Method for light-adjusting solar spectrum-like LED |
| CN102221669A (en) * | 2010-04-15 | 2011-10-19 | 财团法人工业技术研究院 | Measuring system for solar cell and sunlight simulator |
| CN102287715A (en) * | 2011-08-23 | 2011-12-21 | 上海太阳能电池研究与发展中心 | Large-area uniform surface light source device |
| CN103133888A (en) * | 2011-11-23 | 2013-06-05 | 西安博昱新能源有限公司 | Simulation solar light source |
| CN203202832U (en) * | 2013-04-26 | 2013-09-18 | 嘉善新沪渝电器科技有限公司 | LED color panel lamp |
| CN204986656U (en) * | 2015-08-07 | 2016-01-20 | 郑孟财 | Integrated dull and stereotyped lamp of LED |
| CN206191379U (en) * | 2016-10-31 | 2017-05-24 | 华侨大学 | Dull and stereotyped lamp of natural light type LED |
-
2016
- 2016-10-31 CN CN201610933438.4A patent/CN106641867A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070201246A1 (en) * | 2004-08-31 | 2007-08-30 | Fusion Optix, Inc. | Enhanced Light Diffusing Sheet |
| CN101191847A (en) * | 2006-12-01 | 2008-06-04 | 鸿富锦精密工业（深圳）有限公司 | Optical plate |
| CN101290340A (en) * | 2008-04-29 | 2008-10-22 | 李果华 | LED solar simulator |
| CN101790264A (en) * | 2009-12-24 | 2010-07-28 | 复旦大学 | Method for light-adjusting solar spectrum-like LED |
| CN102221669A (en) * | 2010-04-15 | 2011-10-19 | 财团法人工业技术研究院 | Measuring system for solar cell and sunlight simulator |
| CN102287715A (en) * | 2011-08-23 | 2011-12-21 | 上海太阳能电池研究与发展中心 | Large-area uniform surface light source device |
| CN103133888A (en) * | 2011-11-23 | 2013-06-05 | 西安博昱新能源有限公司 | Simulation solar light source |
| CN203202832U (en) * | 2013-04-26 | 2013-09-18 | 嘉善新沪渝电器科技有限公司 | LED color panel lamp |
| CN204986656U (en) * | 2015-08-07 | 2016-01-20 | 郑孟财 | Integrated dull and stereotyped lamp of LED |
| CN206191379U (en) * | 2016-10-31 | 2017-05-24 | 华侨大学 | Dull and stereotyped lamp of natural light type LED |
Non-Patent Citations (1)
| Title |
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| 文尚胜: "《半导体照明技术》", 31 August 2013 * |
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