CN103955590A - Design method of multi-zone backlight illumination lattice point - Google Patents
Design method of multi-zone backlight illumination lattice point Download PDFInfo
- Publication number
- CN103955590A CN103955590A CN201410211688.8A CN201410211688A CN103955590A CN 103955590 A CN103955590 A CN 103955590A CN 201410211688 A CN201410211688 A CN 201410211688A CN 103955590 A CN103955590 A CN 103955590A
- Authority
- CN
- China
- Prior art keywords
- site
- dot
- multizone
- area
- dot area
- 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
Landscapes
- Image Generation (AREA)
Abstract
The invention discloses a design method of multi-zone backlight illumination lattice points. The design method of the multi-zone backlight illumination lattice points specifically comprises the following steps: 1) determining the zone boundary of each lattice point zone; 2) determining the number of points distributed in each lattice point zone and the average occupied area of each lattice point; 3) according to a principle that the lattice points at a low beam end are sparse and the lattice points at a high beam end are dense, designating a main beam direction and a lattice point density change trend, and simultaneously obtaining coordinate data of lattice points of all zones; 4) converting the coordinate data of the lattice points of all zones into optical simulation data and inputting the optical simulation data into optical simulation software to perform simulation analysis on illumination uniformity and brightness; 5) after the illumination uniformity and brightness in the step 4 reach preset values, transmitting the optical simulation data to drawing software, establishing a two-dimensional processing drawing and finally outputting a processing drawing document to finish the design of the entire lattice points. The design method of the multi-zone backlight illumination lattice points provided by the invention has the advantages that the design of the lattice points of all zones can be finished in one step, the design is simple, convenient and quick and the design efficiency is improved.
Description
Technical field
The present invention relates to the method for designing of a kind of back lighting site, specifically, relate to the method for designing of a kind of multizone back lighting site.
Background technology
Along with scientific and technical development, the update of electronic product becomes more and more faster, and its kind is also more and more, and especially mobile phone and panel computer are more outstanding.Due to liquid crystal display have advantages of frivolous, power consumption is little, broader applications are on mobile phone and panel computer, but liquid crystal was not possess the characteristics of luminescence originally, need to finally reach Presentation Function for it is equipped with series products backlight.
At present, printing class light guide sheet is due to the defect of its structure and performance, and the light guide plate that is injection molding gradually moulding substitutes.The structure of light guide plate is to comprise a light guide base plate, is provided with some densely covered sites on substrate, for promoting the reflection efficiency of whole light guide plate to light source.Distance between site, density, size and shape etc. all affect its light efficiency performance, and light source wants to reach best refraction effect, and the design of site is most important.But the design for a multizone site, as the light guide plate mesh point of illuminated keyboard, the site that has zones of different above, because density and the number of each site are different, and when design, traditional method can only once complete the design of site, a region, can not once complete the design effort of whole site, therefore the loaded down with trivial details inconvenience of whole design process, inefficiency.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind ofly can once complete the design of All Ranges site, simple, convenient and swift, and improve the method for designing of the multizone back lighting site of design efficiency.
For achieving the above object, technical scheme of the present invention is as follows: the method for designing of a kind of multizone back lighting site, and described multizone back lighting site comprises a plurality of dot area, and each dot area comprises some sites, and specific design method is as follows:
One,, by two dimensional surface point coordinate data, determine the zone boundary of each dot area;
Two, by unit area, put the average area occupied of quantity and each site of layouting that quantity is determined each dot area;
Three, according to the intensive principle of the sparse distance light end in dipped beam end site, specify chief ray direction and dot density variation tendency, obtain the coordinate data of All Ranges site simultaneously;
Four, the coordinate data of the All Ranges site obtaining in step 3 is converted to optical analogy data, then by optical analogy data input optical simulation software, the uniformity coefficient of sunykatuib analysis illumination and brightness;
Five, the illumination uniformity coefficient in step 4 and brightness all reach after predetermined value, and optical analogy data transmission, to simulating machining software, is set up to two dimension processing drawing, and final output processing map file, completes the design of whole site.
Further, in described step 2, adopt the method for random distributed points, concrete grammar is as follows: according to rule display calculation level coordinate center, do stochastic distribution afterwards, and the point of stochastic distribution is defined in divided region near coordinate center.
Further, in described step 3, definite method of chief ray direction is as follows: the starting point of chief ray is light source position, and the terminal of chief ray is position, site.
Further, in described step 3, while determining site variation tendency, each dot area need to be carried out to staging treating, obtain multistage dot area, the dot density of every section of dot area is according to specifying numerical value to distribute.
Further, the total dot of described dot area is the product of dot density and region area.
Further, the total dot of described every section of dot area be region total dot and segmentation weight product again with region weight and ratio.
Adopt technique scheme, the beneficial effect of technical solution of the present invention is: by setting the border of appointed area, site, region unified plannings all in light guide sheet is good, determine again the dot density of each dot area, generate coordinate data, be converted to afterwards optical analogy data, importing optical simulation software simulates, if analog result reaches setting value, again by optical analogy data importing simulation machining software, obtain the material object processing map file of site; In whole design process, due to the coordinate data of all dot area is generated simultaneously, and carry out together optical simulation software and simulate, therefore can once complete the net-pont design work of all dot area, simple to operate and convenient, improved work efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, to the accompanying drawing of required use in embodiment technical description be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the FB(flow block) of embodiment 1 in the method for designing of a kind of multizone back lighting of the present invention site;
Fig. 2 is the zone boundary figure of embodiment 2 in the method for designing of a kind of multizone back lighting of the present invention site;
Fig. 3 is the chief ray direction schematic diagram of embodiment 2 in the method for designing of a kind of multizone back lighting of the present invention site;
Fig. 4 is the site schematic diagram of embodiment 2 in the method for designing of a kind of multizone back lighting of the present invention site;
Fig. 5 is the processing map file schematic diagram of embodiment 2 in the method for designing of a kind of multizone back lighting of the present invention site;
Fig. 6 is the structural representation of a kind of multizone back lighting of the present invention site.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
As shown in Figure 1, the method for designing of a kind of multizone back lighting site, multizone back lighting site comprises a plurality of dot area, and each dot area comprises some sites, and its specific design method is as follows:
One,, by two dimensional surface point coordinate data, determine the zone boundary of each dot area;
Two, by unit area, put the average area occupied of quantity and each site of layouting that quantity is determined each dot area;
Three, according to the intensive principle of the sparse distance light end in dipped beam end site, specify chief ray direction and dot density variation tendency, obtain the coordinate data of All Ranges site simultaneously;
Four, the coordinate data of the All Ranges site obtaining in step 3 is converted to optical analogy data, then by optical analogy data input optical simulation software, the uniformity coefficient of sunykatuib analysis illumination and brightness;
Five, the illumination uniformity coefficient in step 4 and brightness all reach after predetermined value, and optical analogy data transmission, to simulating machining software, is set up to two dimension processing drawing, and final output processing map file, completes the design of whole site.
In step 2, adopt the method for random distributed points, concrete grammar is as follows: according to rule display calculation level coordinate center, do stochastic distribution afterwards, and the point of stochastic distribution is defined in divided region near coordinate center.
In step 3, definite method of chief ray direction is as follows: the starting point of chief ray is light source position, and the terminal of chief ray is position, site; While determining site variation tendency, each dot area need to be carried out to staging treating, obtain multistage dot area, the dot density of every section of dot area is according to specifying numerical value to distribute.Wherein, the total dot of dot area is the product of dot density and region area.The total dot of every section of dot area be region total dot and segmentation weight product again with region weight and ratio.
Embodiment 2
With one of them site, region, be described further: one, determine the coordinate of interior 4 of plane, as shown in Figure 2, be respectively P
1(0,0), P
2(10,0), P
3(10,10) and P
4(0,10), the dot area that below these four points can be formed, referred to as one's respective area, is determined a rectangle dot area; Two, unit area point quantity is 40, and every square millimeter has 40 sites, determine thus in this dot area, site add up to 4000, each site area occupied is 0.25mm
2, according to rectangular array, this region is divided equally afterwards, calculate the centre coordinate of each rectangular area, at centre coordinate, do stochastic distribution around, and the point of guaranteeing stochastic distribution is in each rectangular area; Three, LED lamp position is as the starting point of chief ray, and the direction of chief ray, as the emphasis of chief ray, is determined with this in the position of site, and the chief ray of one's respective area is positive Y direction, as shown in Figure 3; Simultaneously, this dot area is carried out to staging treating, be divided into 10 sections, it is 1,2,3,4,5,6,7,8,9 and 10 that weight sets gradually, the site finally obtaining is for slowly becoming intensive trend by sparse, and the site that weight is little is sparse, and the site that weight is large is intensive, finally draw the structural drawing of site, one's respective area, as shown in Figure 4; Four, the corresponding optical analogy data input ASAP optical simulation software of final one's respective area, carries out illumination uniformity coefficient and brightness simulation; Five, analog result reaches predetermined value, optical analogy data is inputed in AutoCAD and sets up two dimension processing map file, as shown in Figure 5, to observe final processing result, simple and clear.According to the method described above, can the site of a plurality of dot area once have been designed, as shown in Figure 6 simultaneously.
Weighted, the density of site is different, and the numerical value of weight is determined according to design load, does not do any restriction herein.
Pass through technique scheme, the beneficial effect of technical solution of the present invention is: by setting the border of appointed area, site, region unified plannings all in light guide sheet is good, determine again the dot density of each dot area, generate coordinate data, be converted to afterwards optical analogy data, importing optical simulation software simulates, if analog result reaches setting value, again by optical analogy data importing simulation machining software, obtain the material object processing map file of site; In whole design process, due to the coordinate data of all dot area is generated simultaneously, and carry out together optical simulation software and simulate, therefore can once complete the net-pont design work of all dot area, simple to operate and convenient, improved work efficiency.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a method for designing for multizone back lighting site, described multizone back lighting site comprises a plurality of dot area, and each dot area comprises some sites, it is characterized in that, and specific design method is as follows:
One,, by two dimensional surface point coordinate data, determine the zone boundary of each dot area;
Two, by unit area, put the average area occupied of quantity and each site of layouting that quantity is determined each dot area;
Three, according to the intensive principle of the sparse distance light end in dipped beam end site, specify chief ray direction and dot density variation tendency, obtain the coordinate data of All Ranges site simultaneously;
Four, the coordinate data of the All Ranges site obtaining in step 3 is converted to optical analogy data, then by optical analogy data input optical simulation software, the uniformity coefficient of sunykatuib analysis illumination and brightness;
Five, the illumination uniformity coefficient in step 4 and brightness all reach after predetermined value, and optical analogy data transmission, to simulating machining software, is set up to two dimension processing drawing, and final output processing map file, completes the design of whole site.
2. the method for designing of multizone back lighting according to claim 1 site, it is characterized in that, in described step 2, adopt the method for random distributed points, concrete grammar is as follows: according to rule display calculation level coordinate center, near coordinate center, do stochastic distribution afterwards, and the point of stochastic distribution is defined in divided region.
3. the method for designing of multizone back lighting according to claim 1 site, is characterized in that, in described step 3, definite method of chief ray direction is as follows: the starting point of chief ray is light source position, and the terminal of chief ray is position, site.
4. the method for designing of multizone back lighting according to claim 1 site, it is characterized in that, in described step 3, while determining site variation tendency, each dot area need to be carried out to staging treating, obtain multistage dot area, the dot density of every section of dot area is according to specifying numerical value to distribute.
5. the method for designing of multizone back lighting according to claim 4 site, is characterized in that, the total dot of described dot area is the product of dot density and region area.
6. the method for designing of multizone back lighting according to claim 5 site, is characterized in that, the total dot of described every section of dot area be region total dot and segmentation weight product again with region weight and ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410211688.8A CN103955590A (en) | 2014-05-19 | 2014-05-19 | Design method of multi-zone backlight illumination lattice point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410211688.8A CN103955590A (en) | 2014-05-19 | 2014-05-19 | Design method of multi-zone backlight illumination lattice point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103955590A true CN103955590A (en) | 2014-07-30 |
Family
ID=51332865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410211688.8A Pending CN103955590A (en) | 2014-05-19 | 2014-05-19 | Design method of multi-zone backlight illumination lattice point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103955590A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932853A (en) * | 2016-11-25 | 2017-07-07 | 上海三思电子工程有限公司 | Light guide plate method for designing and light guide plate, network point distribution method and ligthing paraphernalia |
| CN107272108A (en) * | 2017-05-11 | 2017-10-20 | 广东工业大学 | A kind of one-dimensional microstructure design method of light guide plate lower surface |
| CN108236783A (en) * | 2018-01-09 | 2018-07-03 | 网易（杭州）网络有限公司 | The method, apparatus of illumination simulation, terminal device and storage medium in scene of game |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1641441A (en) * | 2004-01-15 | 2005-07-20 | 鸿富锦精密工业（深圳）有限公司 | Light guide board and its design method |
| CN101995660A (en) * | 2009-08-18 | 2011-03-30 | 清华大学 | Design method of light guide plate |
-
2014
- 2014-05-19 CN CN201410211688.8A patent/CN103955590A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1641441A (en) * | 2004-01-15 | 2005-07-20 | 鸿富锦精密工业（深圳）有限公司 | Light guide board and its design method |
| CN101995660A (en) * | 2009-08-18 | 2011-03-30 | 清华大学 | Design method of light guide plate |
Non-Patent Citations (1)
| Title |
|---|
| 李保安: "导光板微结构型式的设计与模拟验证", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932853A (en) * | 2016-11-25 | 2017-07-07 | 上海三思电子工程有限公司 | Light guide plate method for designing and light guide plate, network point distribution method and ligthing paraphernalia |
| CN107272108A (en) * | 2017-05-11 | 2017-10-20 | 广东工业大学 | A kind of one-dimensional microstructure design method of light guide plate lower surface |
| CN107272108B (en) * | 2017-05-11 | 2023-10-03 | 广东工业大学 | Design method of one-dimensional microstructure of lower surface of light guide plate |
| CN108236783A (en) * | 2018-01-09 | 2018-07-03 | 网易（杭州）网络有限公司 | The method, apparatus of illumination simulation, terminal device and storage medium in scene of game |
| CN108236783B (en) * | 2018-01-09 | 2020-10-23 | 网易（杭州）网络有限公司 | Method and device for simulating illumination in game scene, terminal equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102323672B (en) | Method and device for optimizing mesh point of light guide plate | |
| CN106932853B (en) | Light guide plate design method, light guide plate, mesh point distribution method and lighting device | |
| CN101672981B (en) | Method for designing and manufacturing light guide plate | |
| CN103955590A (en) | Design method of multi-zone backlight illumination lattice point | |
| US20110046922A1 (en) | Method for designing a light guide plate | |
| CN102967442A (en) | Method for evaluating discomfort glare and discomfort glare evaluation program | |
| CN204405996U (en) | Display device | |
| CN105278101B (en) | Laser machine the screen dot design method of light guide plate | |
| CN108279458A (en) | A kind of light guide plate optical design method | |
| Wang et al. | Effect of manufacturing defects on optical performance of discontinuous freeform lenses | |
| CN104597553A (en) | Light guide plate | |
| CN107272108B (en) | Design method of one-dimensional microstructure of lower surface of light guide plate | |
| CN200976054Y (en) | Structure improvement for light conducting plate | |
| Kim et al. | Applying micro genetic algorithm to numerical model for luminous intensity distribution of planar prism LED luminaire | |
| Lee et al. | Surface-structured diffuser by iterative down-size molding with glass sintering technology | |
| CN100376956C (en) | Light guide board and its design method | |
| Lee et al. | Design optimization for optical patterns in a light-guide panel to improve illuminance and uniformity of the liquid-crystal display | |
| CN108828708B (en) | A kind of edge-type light guide plate bottom surface network point distribution design method | |
| CN106021822A (en) | Wallboard modeling method based on UDF technology | |
| CN113064231A (en) | Method, system and related equipment for designing distribution of dots on light guide plate | |
| CN105372747A (en) | PS light guide plate with single-sided microstructure and light-out microprism structure | |
| Jiang et al. | Interactive design of scattering dots array on light guide plate for LCD backlight | |
| CN104181631B (en) | A kind of engraving line preparation method of light guide plate | |
| KR200440177Y1 (en) | Backlight unit having optical reflection plane of uniform luminance | |
| CN106873875A (en) | The graphical representation method of data, device and computing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140730 |
|
| RJ01 | Rejection of invention patent application after publication |