CN108627904A - A kind of flat lamp light guide plate mesh point arrangement that light emission rate is big - Google Patents
A kind of flat lamp light guide plate mesh point arrangement that light emission rate is big Download PDFInfo
- Publication number
- CN108627904A CN108627904A CN201710158542.5A CN201710158542A CN108627904A CN 108627904 A CN108627904 A CN 108627904A CN 201710158542 A CN201710158542 A CN 201710158542A CN 108627904 A CN108627904 A CN 108627904A
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- Prior art keywords
- light
- plate body
- conducting plate
- site
- light conducting
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- 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.)
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- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 6
- 238000011161 development Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000010147 laser engraving Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention belongs to lighting technical fields, and in particular to a kind of flat lamp light guide plate mesh point arrangement that light emission rate is big, including light conducting plate body, the edge of a pair of opposing of light conducting plate body are to have light source side；Have on light source side to the center line of light conducting plate body from each, the site diameter in light conducting plate body is incrementally increased by growth function, and growth function is Y=K/ (1+e^ (a+bx)).The beneficial effects of the invention are as follows：By the net-pont design scheme of growth function, after light conducting plate body both sides shine, after being scattered the site scattering on face, the uniform light projected in the plane opposite from scattering surface has maximum light emission rate；It with the two neighboring site spacing of certain value, can obtain best site arrangement according to the size of light conducting plate body, within the shorter time, be not required to test for a long time, improve development ＆ production efficiency.
Description
Technical field
The invention belongs to lighting technical fields, and in particular to a kind of flat lamp light guide plate mesh point that light emission rate is big arrangement knot
Structure.
Background technology
Light guide plate is the critical optical device of flat lamp, its effect is the light that the light source that side is shone is sent out, and is passed through
The guiding of light guide plate becomes opposite from lateral direction light emission direction by the repeatedly light variation such as incidence, refraction, reflection, diffusing reflection
In the straight to shining of flat lamp plane, and ambient enviroment is illuminated.Therefore the working efficiency of light guide plate, is related to entire lamps and lanterns to light
Service efficiency.In order to improve the guide-lighting efficiency of light guide plate, in the one side of light guide plate, site, shadow of the light in site are devised
Under sound, thus it is possible to vary radiation direction and strong and weak size, to improve the light extraction efficiency of light guide plate, bring possibility.Traditional
Net-pont design scheme is empirically method, by repetition test or simulation test, to improve light extraction efficiency.Traditional leads
Light technology has following disadvantage：
1. it is the angle from experience due to using artificial experiment, the spacing of size and site by changing site
From acquiring the light emission rate of bigger.But due to not having theoretical direction, maximum light emission rate scheme can not be obtained.
2. due to being artificially to test, the number of experiment is always limited, thus can not obtain in a relatively short period of time
Best site scheme.
3. often light emission rate is not high for the structure after many artificial experiments.
Invention content
The purpose of the present invention is overcoming defect of the existing technology, a kind of net-pont design side according to growth function is provided
Case after light conducting plate body both sides shine, after being scattered the site scattering on face, has maximum light emission rate；It can be according to light guide plate
The size of ontology, with the two neighboring site spacing of certain value, obtains best site cloth within the shorter time
Structure is set, is not required to test for a long time, improves the big flat lamp light guide plate mesh point arrangement knot of the light emission rate of development ＆ production efficiency
Structure.
The technical solution adopted by the present invention to solve the technical problems is：A kind of flat lamp light guide plate mesh point that light emission rate is big
Arrangement comprising light conducting plate body, the edge of a pair of opposing of light conducting plate body are to have light source side；Have from each
On light source side to the center line of light conducting plate body, the site diameter in light conducting plate body is incrementally increased by growth function, grows letter
Number is Y=K/ (1+e^ (a+bx)), wherein Y is site diameter, K=2.85~2.89, a=0.55~0.56, b=-0.005
~-0.006, e is natural constant, and x is from each site sequence number having on light source side to the center line of light conducting plate body.
The light conducting plate body two edges of the present invention shine, and the light propagation law in light conducting plate body is：Light is passing
Broadcast and constantly scattered on the site on path, on the direction of the symmetrical center line of directive light guide plate luminous flux by
Degradation subtracts.According to the rule, by the experimental test of distribution photometer, the present invention obtains the net-pont design for finishing and closing growth function
Scheme regularly gradually increases from each center line online spot diameter for having light source side to light conducting plate body.To the present invention
Light conducting plate body both sides shine after, after being scattered the site scattering on face, the light that is projected in the plane opposite from scattering surface
Uniformly, there is maximum light emission rate.
It through the invention, can be according to the size of light conducting plate body, within the shorter time, with the adjacent of certain value
Two site spacing obtain best site arrangement, are not required to test for a long time, improve development ＆ production efficiency.
Specifically, growth function is Y=K/ (1+e^ (a+bx)), wherein K=2.8862, a=0.558, b=-
0.00533, to have total dot on light source side to the center line of light conducting plate body be 155 from each, then the net of both sides starting point
Spot diameter is：1.054mm, light guide plate centre maximum web spot diameter：1.64mm, the light emission rate measured at this time by distribution photometer
It is highest.
Preferably, the center spacing of two sites of arbitrary neighborhood in light conducting plate body is 1.8~1.9mm, can arrange
Different-diameter site, arrangement are convenient.
Preferably, light conducting plate body is acrylic poly (methyl methacrylate) plate, PS plastic plate or MS plastic plates, convenient for silk-screen printing or
Laser engraving site.
A kind of advantageous effect of the big flat lamp light guide plate mesh point arrangement of light emission rate of the present invention is：
1. the present invention is scattered after light conducting plate body both sides shine on face by the net-pont design scheme of growth function
After the scattering of site, the uniform light projected in the plane opposite from scattering surface has maximum light emission rate；
2. can be according to the size of light conducting plate body, within the shorter time, with the two neighboring net of certain value
Point spacing, obtains best site arrangement, is not required to test for a long time, improve development ＆ production efficiency.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of schematic diagram of the big flat lamp light guide plate mesh point arrangement of light emission rate of the present invention.
Wherein:1. there is light source side.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
A kind of specific implementation of the big flat lamp light guide plate mesh point arrangement of light emission rate of the present invention as shown in Figure 1
Example comprising light conducting plate body, the edge of a pair of opposing of light conducting plate body are to have light source side 1；There is light source from each
On side 1 to the center line of light conducting plate body, the site diameter in light conducting plate body is incrementally increased by growth function, and growth function is
Y=K/ (1+e^ (a+bx)), wherein Y be site diameter, K=2.85~2.89, a=0.55~0.56, b=-0.005~-
0.006, e is natural constant, and x is from each site sequence number having on light source side 1 to the center line of light conducting plate body.
The light conducting plate body two edges of the present embodiment shine, and the light propagation law in light conducting plate body is：Light exists
It is constantly scattered on site on propagation path, to the luminous flux on the direction of the symmetrical center line of directive light guide plate
Gradually decaying.According to the rule, by the experimental test of distribution photometer, the present embodiment obtains the site finished and close growth function
Design scheme regularly gradually increases from each center line online spot diameter for having light source side 1 to light conducting plate body.To this
After the light conducting plate body both sides of embodiment shine, after being scattered the site scattering on face, projected in the plane opposite from scattering surface
Uniform light, have maximum light emission rate.
It through this embodiment, can be according to the size of light conducting plate body, within the shorter time, with the phase of certain value
Adjacent two site spacing, obtain best site arrangement, are not required to test for a long time, improve development ＆ production efficiency.
Specifically, growth function is Y=K/ (1+e^ (a+bx)), wherein K=2.8862, a=0.558, b=-
0.00533, to have total dot on light source side 1 to the center line of light conducting plate body be 155 from each, then the net of both sides starting point
Spot diameter is：1.054mm, light guide plate centre maximum web spot diameter：1.64mm, the light emission rate measured at this time by distribution photometer
It is highest.
Preferably, the center spacing of two sites of arbitrary neighborhood in light conducting plate body is 1.8~1.9mm, can arrange
Different-diameter site, arrangement are convenient.
Preferably, light conducting plate body is acrylic poly (methyl methacrylate) plate, PS plastic plate or MS plastic plates, convenient for silk-screen printing or
Laser engraving site.
It should be appreciated that specific embodiment described above is only used for explaining the present invention, it is not intended to limit the present invention.By
The obvious changes or variations that the spirit of the present invention is extended out are still in the protection scope of this invention.
Claims (3)
1. a kind of flat lamp light guide plate mesh point arrangement that light emission rate is big, it is characterised in that：It is described to lead including light conducting plate body
The edge of a pair of opposing of tabula rasa ontology is to have light source side (1)；Have in light source side (1) to light conducting plate body from each
On heart line, the site diameter in the light conducting plate body is incrementally increased by growth function, and the growth function is Y=K/ (1+e^
(a+bx)), wherein Y is site diameter, and K=2.85~2.89, a=0.55~0.56, b=-0.005~-0.006, e is certainly
Right constant, x are from each site sequence number having on light source side (1) to the center line of light conducting plate body.
2. a kind of big flat lamp light guide plate mesh point arrangement of light emission rate according to claim 1, it is characterised in that：Institute
The center spacing for stating two sites of arbitrary neighborhood in light conducting plate body is 1.8~1.9mm.
3. a kind of big flat lamp light guide plate mesh point arrangement of light emission rate according to claim 1 or 2, feature exist
In：The light conducting plate body is acrylic poly (methyl methacrylate) plate, PS plastic plate or MS plastic plates.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158542.5A CN108627904B (en) | 2017-03-17 | 2017-03-17 | Flat lamp light guide plate mesh point arrangement structure with high light yield |
| PCT/CN2017/079691 WO2018166006A1 (en) | 2017-03-17 | 2017-04-07 | Dot arrangement structure of light guide plate of panel light having high light exit efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158542.5A CN108627904B (en) | 2017-03-17 | 2017-03-17 | Flat lamp light guide plate mesh point arrangement structure with high light yield |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108627904A true CN108627904A (en) | 2018-10-09 |
| CN108627904B CN108627904B (en) | 2024-05-31 |
Family
ID=63522752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710158542.5A Active CN108627904B (en) | 2017-03-17 | 2017-03-17 | Flat lamp light guide plate mesh point arrangement structure with high light yield |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108627904B (en) |
| WO (1) | WO2018166006A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10481678B2 (en) | 2017-01-11 | 2019-11-19 | Daqri Llc | Interface-based modeling and design of three dimensional spaces using two dimensional representations |
| US11125993B2 (en) | 2018-12-10 | 2021-09-21 | Facebook Technologies, Llc | Optical hyperfocal reflective systems and methods, and augmented reality and/or virtual reality displays incorporating same |
| CN113631986A (en) | 2018-12-10 | 2021-11-09 | 脸谱科技有限责任公司 | Adaptive viewport for an hyper-focal viewport (HVP) display |
| US11662513B2 (en) | 2019-01-09 | 2023-05-30 | Meta Platforms Technologies, Llc | Non-uniform sub-pupil reflectors and methods in optical waveguides for AR, HMD and HUD applications |
| CN109737326A (en) * | 2019-01-11 | 2019-05-10 | 深圳市海洋王照明工程有限公司 | Plate detects lamp |
| US11863730B2 (en) | 2021-12-07 | 2024-01-02 | Snap Inc. | Optical waveguide combiner systems and methods |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018166006A1 (en) | 2018-09-20 |
| CN108627904B (en) | 2024-05-31 |
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