CN108802893A - Light guide auxiliary design method - Google Patents
Light guide auxiliary design method Download PDFInfo
- Publication number
- CN108802893A CN108802893A CN201810644988.3A CN201810644988A CN108802893A CN 108802893 A CN108802893 A CN 108802893A CN 201810644988 A CN201810644988 A CN 201810644988A CN 108802893 A CN108802893 A CN 108802893A
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- CN
- China
- Prior art keywords
- light
- processor
- light guide
- angle
- incidence
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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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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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
- G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
Abstract
The invention discloses a kind of light guide auxiliary design methods, including：Light emitting source is selected from database with processor；Any two medium sides for setting light guide with refractive index, using processor using the geometry of processor selected light guide from database calculate luminous incidence point, incidence angle, angle of reflection and the refraction angle for being derived from incidence surface as incidence surface and light-emitting surface, with processor and with processor calculating light emitting source respectively at incidence surface and the energy of light-emitting surface.In this way, the time that user corrects light guide again can be reduced.
Description
Technical field
The present invention is about a kind of computer-implemented method, espespecially a kind of computer-implemented method of light guide.
Background technology
In order to allow the light that light emitting source is sent out on mainboard that can be transferred to casing surface, research staff must in light emitting source with
Suitable light guide is designed between casing surface so that light can be transferred to casing surface by light guide and will not be lost too many
Light energy.However at present light guide cad tools, it is possible to provide to the data of research staff only have incidence surface with
The energy of light-emitting surface, research staff can not learn light that light emitting source is sent out in travel condition and energy loss in light guide
State, so suitable light guide could efficiently be designed by having to rely on veteran expert.
In view of this, needing a kind of light guide computer-implemented method of improvement really at present, can at least solve
State disadvantage.
Invention content
One embodiment of the invention provides a kind of computer-implemented method of light guide, it is possible to provide valid data are with auxiliary
Research staff is helped to design light guide.
An embodiment according to the present invention provides a kind of light guide auxiliary design method, including：With processor from database
In select light emitting source, light guide geometry and refractive index；It is luminous that any two medium sides of light guide are set with processor
The incidence surface and light-emitting surface in source；And the incidence point, incidence angle, angle of reflection and the refraction that shine derived from incidence surface are calculated with processor
Angle；And light emitting source is calculated respectively at incidence surface and the energy of light-emitting surface with processor.
The light guide auxiliary design method of one embodiment of the invention can be applied to computer applied algorithm, and research staff is logical
The incidence surface energy of any zone in light guide, light-emitting surface energy and light travel path can be calculated by crossing application program
Data can thus reduce research staff and remodify the structure feature of light guide and the time of material, while can reach and make
The energy that light emitting source is sent to light-emitting surface reaches expected light utilization.
The explanation of above explanation and the following embodiments and the accompanying drawings about the content of present invention is demonstrating and explain the present invention
Spirit and principle, and provide the present invention patent application claims protection domain further explain.
Description of the drawings
Fig. 1 is painted the flow chart of the light guide auxiliary design method of first embodiment of the invention.
Fig. 2 is painted the flow chart of the light guide auxiliary design method of second embodiment of the invention.
The light guide auxiliary design method that Fig. 3 to Fig. 9 is painted first embodiment of the invention is applied to computer software in terms of
It calculates and specifies light in the schematic diagram of the travel path in light guide.
Figure 10 to Figure 13 is painted the light guide auxiliary design method of second embodiment of the invention applied to computer software
Calculate the schematic diagram for the travel path in light guide that shines.
Wherein, reference numeral：
100,200,300,400 light emitting source
L specifies light
102,202 light guide
103 light shields
S1~S4 medium sides
F1 incidence surfaces
F2 light-emitting surfaces
Specific implementation mode
The detailed features and advantage of the narration present invention, content are enough to make any ability in detail in embodiments below
The technical staff in domain understands the technology contents of the present invention and implements according to this, and is wanted according to content disclosed in this specification, right
Ask protection domain and attached drawing, any those skilled in the art that can be readily understood upon the relevant purpose of the present invention and advantage.Below
The embodiment viewpoint that present invention be described in more detail, but it is non-anyways to limit scope of the invention.
Fig. 1 is the flow chart for the light guide auxiliary design method for being painted first embodiment of the invention, including：In step S101
In, a light emitting source is chosen from the light source model of database with processor, database is, for example, personal computer or cloud service
Device, and processor is, for example, chip or logic circuit.Light source model includes the pre-selection light emitting source of multiple and different light source rink corners, respectively
Kind pre-selection light emitting source is all established using Fibonacci grid (Fibonacci Grid) method.So-called Fibonacci grid
(Fibonacci Grid) method is first to establish equally distributed linear feature in space to indicate point light source, then according to point
Light source learns the luminous intensity of point light source each angle in three dimensions in the Energy distribution of different light emitting angles.In step
In S102, with the coordinate position that processor setting shines in electronic device, wherein light emitting source is set to the master in electronic device
Except plate and the light guide being located in electronic device.In step s 103, it is selected from the light guide model of database with processor
Take the geometry and refractive index of a light guide.In step S104, one is set in the light sent out from light emitting source with processor
Item specifies light.In step S105, is set with processor and specify light in reflection (refraction) number upper limit in light guide, by
This limitation specifies light in the order of reflection in light guide to avoid the excessive operation of processor.In step s 106, with processor
Data according to light guide geometry, refractive index and the order of reflection upper limit are calculated based on Snell's law (Snell`s Law)
Go out specified light and injects incidence angle, angle of reflection and refraction angle when light guide surface, specified light in each in light guide
Incidence angle, angle of reflection and the refraction angle of the incidence angle of reflecting surface and angle of reflection and injection light guide, thereby extrapolate specified light
Line is in the travel path in light guide.In step s 107, it is incident in and leads according to light guide refractive index, specified light with processor
Incidence angle, angle of reflection and refraction angle when body of light surface, specified light in each reflecting surface in light guide incidence angle with it is anti-
Firing angle and specified light project incidence angle, angle of reflection and the data at refraction angle of light guide, are based on Fresnel's equation
(Fresnel Equations) calculates energy when specified light is incident in light guide surface, specified light in light guide
Each reflecting surface energy and specified light project energy when light guide.
In other embodiments, further comprise to be added with processor with before step S105 after step s 104
The program that a light shield between light emitting source and light guide is selected from the light shield model of database, thereby avoids handling
Device carries out excessive operation.
Fig. 2 is the flow chart for the light guide auxiliary design method for being painted second embodiment of the invention, including：In step S201
In, a light emitting source is selected from the light source model of database with processor.Light source model includes multiple and different light source rink corners
Light emitting source is preselected, various pre-selection light emitting sources are all established using Fibonacci grid (Fibonacci Grid) method.In step
In S202, the gross energy of light emitting source is calculated with processor.In step S203, shone in electronic device with processor setting
Coordinate position, wherein light emitting source is set to except the mainboard in electronic device and the light guide in the electronic device.In step
In S204, the geometry and refractive index of a light guide are selected from the light guide model of database with processor.In step
In S205, shone derived from the incidence surface and light-emitting surface of light guide with processor setting, any medium face of wherein light guide all may be used
It is set as incidence surface and light-emitting surface.In step S206, each light sent out with processor setting light emitting source is in light guide
The order of reflection upper limit, thereby limit the light that sends out of light emitting source and excessively transported to avoid processor in the order of reflection in light guide
It calculates.In step S207, the ratio lower limit (light utilization) of light-emitting surface energy and incidence surface energy is set with processor, by
This light energy for making light emitting source send out will not cause scattering and disappearing for big energy during being transmitted to light guide.In step S208
In, the data with processor according to light guide geometry, refractive index and the order of reflection upper limit are based on Snell's law (Snell
`s Law) it calculates light emitting source and is issued on each light and inject incidence angle, angle of reflection and refraction angle when light guide surface, every
One light projects the incidence angle, anti-of light guide in incidence angle and the angle of reflection of each reflecting surface in light guide and each light
All light that light emitting source is sent out thereby are extrapolated in the travel path in light guide in firing angle and refraction angle.In step S209,
Incidence angle, angle of reflection and refraction angle when being incident according to light guide refractive index, light emitting source light guide surface with processor shine
The light injection that the light that source is sent out is sent out in the incidence angle of each reflecting surface in light guide with angle of reflection and light emitting source is led
Incidence angle, angle of reflection and the data at refraction angle of body of light are set out based on Fresnel's equation (Fresnel Equations) calculating
The light that gross energy, light emitting source of the light source incidence when incidence surface are sent out in each reflecting surface in light guide gross energy and
The light that light emitting source is sent out projects gross energy when light-emitting surface.
In other embodiments, after the step S205 with before step S206, further comprise being added with processor from
The program that a light shield between light emitting source and light guide is selected in the light shield model of database, thereby reduces processor
It carries out excessive operation, or is added and is sent out from light-emitting surface with processor setting with before step S208 after the step S207
Light direction and distance, for user it is convenient to the light sent out from the light-emitting surface of light guide carry out subsequent processing with
Using.
Fig. 3 to Fig. 9 is to be painted the light guide auxiliary design method of first embodiment of the invention applied to computer software
It calculates and specifies light in the schematic diagram of the travel path in light guide.As shown in Figure 3 and Figure 4, it is stored from database with processor
Three different light source rink corners light emitting source 100,200,300 in select a light emitting source 100.As shown in figure 5, being set with processor
Light emitting source 100 is located on the mainboard in electronic device in the coordinate position in electronic device, wherein light emitting source 100 and positioned at leaded light
Except body.As shown in fig. 6, a specified light L1 is set from the light that light emitting source 100 is sent out with processor.As shown in fig. 7,
A light guide 102 is selected from the pre-selection light guide of several geometries and refractive index stored by database with processor.Such as
Shown in Fig. 8, a light shield 103 is selected from the pre-selection light shield of several geometries stored by database with processor, with
And setting light L1 is in the order of reflection upper limit in light guide 102.Specify light L1 in leading as shown in figure 9, being calculated with processor
Travel path and specified light L1 in body of light 102 is in the energy of four medium side S1~S4 of light guide 102.Research staff
Specify light L1 in the data of the travel path of light guide 102 and energy in each medium side S1~S4 by analysis, it can
Again it modifies with material to the geometry feature of light guide, and then modified guide structure is uploaded to data
Library.
Figure 10 to Figure 13 is to be painted the light guide auxiliary design method of second embodiment of the invention applied to computer software
To calculate the schematic diagram to shine derived from the travel path of light guide.At the difference for only illustrating light emitting source and specified light below, phase
It is same partly to repeat no more.As shown in Figure 10 and Figure 11, it is set as luminous from any two medium sides of light guide 202 with processor
The incidence surface F1 and light-emitting surface F2 in source 400.As shown in figure 12, with processor each light for sending out of setting light emitting source 400 in leading
The order of reflection upper limit, light-emitting surface gross energy in body of light 202 are sent out with the ratio lower limit of incidence surface gross energy and from light-emitting surface
The distance of light.As shown in figure 13, with processor calculate the light that sends out of light emitting source 400 in light guide 202 travel path,
Ratio (light utilization), the light-emitting surface of light source initial total energy, incidence surface gross energy, incidence surface gross energy and initial total energy
The ratio of gross energy and light-emitting surface gross energy and incidence surface gross energy.
The light guide auxiliary design method of the present invention can be applied to computer software, and processor can set wantonly the two of light guide
A medium side is incidence surface and light-emitting surface, and then analyzes the light travel path and Energy distribution of any zone of light guide, by
This can reduce the time that research staff corrects light guide geometric characteristic and material, while can be so that light emitting source is transferred to light extraction
The energy in face can meet expected light utilization.
Certainly, the invention may also have other embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding change and deformations, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of light guide auxiliary design method, which is characterized in that including：
A light emitting source is selected from a database with a processor；
The geometry and refractive index of a light guide are selected from the database with the processor；
Any two medium sides that the light guide is set with the processor are respectively an incidence surface and a light-emitting surface for the light emitting source；
This is calculated with the processor to shine derived from an incidence point, an incidence angle, an angle of reflection and the refraction angle of the incidence surface；With
And
The light emitting source is calculated respectively at the incidence surface and the gross energy of the light-emitting surface with the processor.
2. light guide auxiliary design method according to claim 1, which is characterized in that the light emitting source is with Fibonacci grid
Method is established.
3. light guide auxiliary design method according to claim 1, which is characterized in that further comprise from the processor
Select the light emitting source after with the light guide is selected with the processor geometry and refractive index before, with the processor set
The coordinate position to shine in an electronic device.
4. light guide auxiliary design method according to claim 1, which is characterized in that further comprise setting with the processor
After the fixed incidence surface and the light-emitting surface incidence point, the incidence angle, the angle of reflection and the refraction angle are calculated with the processor
Before, with the processor from the database select a light shield between the light emitting source and the light guide.
5. light guide auxiliary design method according to claim 1, which is characterized in that the processor is according to Snell's law
Calculate the angle of reflection and the refraction angle.
6. light guide auxiliary design method according to claim 1, which is characterized in that the processor is according to Fresnel equation
Formula calculates this and shines derived from the gross energy of the incidence surface and the light-emitting surface.
7. light guide auxiliary design method according to claim 1, which is characterized in that further comprise setting with the processor
The fixed light-emitting surface calculates the incidence point, the incidence angle, the angle of reflection and the refraction with after the light-emitting surface and with the processor
Before angle, which is set with the processor.
8. light guide auxiliary design method according to claim 1, which is characterized in that further comprise setting with the processor
The fixed light-emitting surface calculates the incidence point, the incidence angle, the angle of reflection and the refraction with after the light-emitting surface and with the processor
Before angle, the ratio lower limit of the gross energy of the light-emitting surface and the gross energy of the incidence surface is set with the processor.
9. light guide auxiliary design method according to claim 1, which is characterized in that further comprise from sharp weapon from this
After selecting the light emitting source, the initial total energy of the light emitting source is calculated with the processor.
10. light guide auxiliary design method according to claim 1, which is characterized in that further comprise with the processor
It sets the light-emitting surface and calculates the incidence point, the incidence angle, the angle of reflection and the folding with after the light-emitting surface and with the processor
The distance to be emitted beam from the light-emitting surface with processor setting before firing angle and direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644988.3A CN108802893A (en) | 2018-06-21 | 2018-06-21 | Light guide auxiliary design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644988.3A CN108802893A (en) | 2018-06-21 | 2018-06-21 | Light guide auxiliary design method |
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| Publication Number | Publication Date |
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| CN108802893A true CN108802893A (en) | 2018-11-13 |
Family
ID=64084249
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810644988.3A Pending CN108802893A (en) | 2018-06-21 | 2018-06-21 | Light guide auxiliary design method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101336414A (en) * | 2005-11-30 | 2008-12-31 | 3M创新有限公司 | Method and apparatus for simulation of optical systems |
| CN103791442A (en) * | 2012-10-31 | 2014-05-14 | 四川柏狮光电技术有限公司 | Lenses of large-angle LED (Light Emitting Diode) bulb lamp and design method thereof |
| CN107298150A (en) * | 2017-05-27 | 2017-10-27 | 广东雷腾智能光电有限公司 | The luminous brake handlebar of one kind |
-
2018
- 2018-06-21 CN CN201810644988.3A patent/CN108802893A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101336414A (en) * | 2005-11-30 | 2008-12-31 | 3M创新有限公司 | Method and apparatus for simulation of optical systems |
| CN103791442A (en) * | 2012-10-31 | 2014-05-14 | 四川柏狮光电技术有限公司 | Lenses of large-angle LED (Light Emitting Diode) bulb lamp and design method thereof |
| CN107298150A (en) * | 2017-05-27 | 2017-10-27 | 广东雷腾智能光电有限公司 | The luminous brake handlebar of one kind |
Non-Patent Citations (1)
| Title |
|---|
| 周盛华: "大功率LED车灯光学设计及其应用", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
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Application publication date: 20181113 |
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