CN112001076B - Light homogenizing treatment method for optical reflection diaphragm - Google Patents
Light homogenizing treatment method for optical reflection diaphragm Download PDFInfo
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- CN112001076B CN112001076B CN202010846363.2A CN202010846363A CN112001076B CN 112001076 B CN112001076 B CN 112001076B CN 202010846363 A CN202010846363 A CN 202010846363A CN 112001076 B CN112001076 B CN 112001076B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007650 screen-printing Methods 0.000 claims abstract description 89
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000004088 simulation Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 238000013041 optical simulation Methods 0.000 claims abstract description 8
- 238000004364 calculation method Methods 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 19
- 238000005457 optimization Methods 0.000 claims description 7
- 238000003672 processing method Methods 0.000 abstract description 2
- 238000002834 transmittance Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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Abstract
The invention relates to an optical reflection film light homogenizing processing method, which comprises the steps of carrying out corresponding simulation of a film model and a corresponding television model by adopting simulation software, determining whether simulated optical performance parameters of corresponding positions after light homogenizing processing meet preset requirements by optical simulation measurement, correspondingly adjusting the type, quantity, using amount, screen printing position, screen printing time and screen printing area of selected UV environment-friendly ink, providing guidance for an actual screen printing process by using the most suitable parameters, carrying out corresponding difference calculation by using the actual optical performance parameters and the simulated optical performance parameters after the actual screen printing process is finished, comparing the absolute value of the calculated difference with a preset threshold range, thereby determining whether light homogenizing processing is qualified, and optimizing preset simulated screen printing rules according to qualified light homogenizing processing parameters and unqualified light homogenizing processing parameters respectively, so as to ensure that the light transmittance of the surface of the film after light homogenizing processing is uniform.
Description
Technical Field
The invention relates to the technical field of television membrane processing, in particular to an optical reflection membrane dodging processing method.
Background
In the prior art, most of the existing television markets have the defects of bright middle area and uneven bright and dark surrounding areas. The LED lamp is characterized in that the LED lamp is directly assembled through the reflection original film in the prior art, so that the television is brighter at a position close to the LED lamp and darker at a position far from the LED lamp; in order to overcome the defects, the technology of simulation improvement by software and improvement in actual operation exists at present, but the technology still has the defects of large gap between simulation and actual operation, easy generation of waste materials in actual operation and the like.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the invention provides a light homogenizing treatment method for an optical reflection diaphragm.
The technical scheme adopted for solving the technical problems is as follows:
a light homogenizing treatment method for an optical reflection diaphragm is characterized by comprising the following steps of: the method comprises the following steps:
1) Establishing a corresponding diaphragm model according to the diaphragm type by adopting simulation software, simultaneously establishing a corresponding television model according to the television type, correspondingly assembling the diaphragm model and the corresponding television model, and then carrying out optical simulation measurement on the diaphragm model and the corresponding television model to determine the position needing uniform light treatment in a simulation environment;
2) The position which is determined in the step 1) and needs to be subjected to uniform light treatment is subjected to screen printing by using UV environment-friendly ink according to a preset simulated screen printing rule;
3) Determining whether the simulated optical performance parameters of the corresponding positions after the dodging treatment meet preset requirements or not through optical simulation measurement; if not, readjusting the type, the quantity, the using amount, the screen printing position, the screen printing time and the screen printing area of the UV environment-friendly ink selected in the step 2); if yes, recording the type, quantity, using amount, screen printing position, screen printing time and screen printing area of the corresponding selected UV environment-friendly ink, and entering the next step;
4) Correspondingly assembling the membrane and the television which are of the same type as the simulation environment, and determining the type, the quantity and the using amount of the selected UV environment-friendly ink, the screen printing position, the screen printing time and the screen printing area on the assembled membrane by adopting the simulation environment to carry out actual screen printing;
5) Performing optical actual measurement on the membrane subjected to actual screen printing, performing corresponding difference calculation on the obtained actual optical performance parameter and the simulated optical performance parameter, comparing the calculated absolute value of the difference with a preset threshold range, and if and only if the absolute value of the difference falls within the preset threshold range, determining that the dodging treatment for the type of membrane is qualified and recording the corresponding dodging treatment parameter; when the absolute value of the difference exceeds the preset threshold range, disqualification of the dodging treatment for the type of membrane is determined, corresponding dodging treatment parameters are recorded, and working parameters of the next actual dodging treatment are correspondingly adjusted.
6) After multiple silk-screen printing, optimizing a preset simulation silk-screen printing rule according to the qualified uniform light processing parameters and the unqualified uniform light processing parameters.
Further, in the step 1), the film model and the television model are in a single or non-single correspondence relationship.
Further, in the step 2), the preset simulated silk screen printing rule is determined according to historical experience and corrected through post-optimization.
Further, in the step 3), if the type, the number, the usage amount, the screen printing position, the screen printing time and the screen printing area of the UV environmental protection ink selected in the step 2) are readjusted, corresponding adjustment is realized according to a preset priority level, and the preset priority level is that the number > the type > the usage amount > the screen printing position > the screen printing area > the screen printing time of the UV environmental protection ink.
Further, the preset priority level can be changed according to the requirement.
Further, in the step 6), the preset simulated silk-screen rule is optimized according to the optimized value, wherein the optimized value A satisfies the following conditions
A＝aX+bY (1)
Wherein,
A is an optimized value;
a is the corresponding coefficient of qualified dodging processing parameters;
X is a qualified dodging processing parameter;
b is a corresponding parameter of the unqualified dodging processing parameter;
y is a qualified dodging processing parameter;
a+b=1 and satisfies a not less than b.
The beneficial effects of the invention are as follows:
(1) The method comprises the steps of carrying out corresponding simulation on a film model and a corresponding television model by adopting simulation software, determining whether simulated optical performance parameters of corresponding positions after dodging meet preset requirements or not by optical simulation measurement, correspondingly adjusting the type, quantity, consumption, screen printing position, screen printing time and screen printing area of the selected UV environment-friendly ink, providing guidance for an actual screen printing process by using the most suitable parameters, carrying out corresponding difference calculation on the actual optical performance parameters and the simulated optical performance parameters after the actual screen printing process is finished, comparing the absolute value of the calculated difference with a preset threshold range, determining whether dodging is qualified or not, optimizing preset simulation screen printing rules according to the qualified dodging parameters and unqualified dodging parameters, guaranteeing uniform light transmission on the surface of the film after dodging, enabling the brightness of the whole television picture to be uniform, and further reducing the processing defective rate.
Drawings
FIG. 1 is a flow chart of the steps of the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
As shown in figure 1 of the drawings,
A light homogenizing treatment method of an optical reflection film comprises the following steps:
1) Establishing a corresponding diaphragm model according to the diaphragm type by adopting simulation software, simultaneously establishing a corresponding television model according to the television type, correspondingly assembling the diaphragm model and the corresponding television model, and then carrying out optical simulation measurement on the diaphragm model and the corresponding television model to determine the position needing uniform light treatment in a simulation environment;
2) The position which is determined in the step 1) and needs to be subjected to uniform light treatment is subjected to screen printing by using UV environment-friendly ink according to a preset simulated screen printing rule;
3) Determining whether the simulated optical performance parameters of the corresponding positions after the dodging treatment meet preset requirements or not through optical simulation measurement; if not, readjusting the type, the quantity, the using amount, the screen printing position, the screen printing time and the screen printing area of the UV environment-friendly ink selected in the step 2); if yes, recording the type, quantity, using amount, screen printing position, screen printing time and screen printing area of the corresponding selected UV environment-friendly ink, and entering the next step;
4) Correspondingly assembling the membrane and the television which are of the same type as the simulation environment, and determining the type, the quantity and the using amount of the selected UV environment-friendly ink, the screen printing position, the screen printing time and the screen printing area on the assembled membrane by adopting the simulation environment to carry out actual screen printing;
5) Performing optical actual measurement on the membrane subjected to actual screen printing, performing corresponding difference calculation on the obtained actual optical performance parameter and the simulated optical performance parameter, comparing the calculated absolute value of the difference with a preset threshold range, and if and only if the absolute value of the difference falls within the preset threshold range, determining that the dodging treatment for the type of membrane is qualified and recording the corresponding dodging treatment parameter; when the absolute value of the difference exceeds the preset threshold range, disqualification of the dodging treatment for the type of membrane is determined, corresponding dodging treatment parameters are recorded, and working parameters of the next actual dodging treatment are correspondingly adjusted.
6) After multiple silk-screen printing, optimizing a preset simulation silk-screen printing rule according to the qualified uniform light processing parameters and the unqualified uniform light processing parameters.
Specifically, in the step 1), the diaphragm model and the television model are in a single or non-single corresponding relationship, and the single relationship is used for the single matching relationship of the diaphragm and the television, so that the simulation test process is simplified, and the error rate is reduced; and the application range of the non-single matching relation is wide, and the most suitable membrane and television can be conveniently selected from the whole simulation test to be assembled and matched after the whole simulation test is finished.
Specifically, in the step 2), the preset analog screen printing rule is determined according to historical experience and is corrected through post-optimization, so that the analog screen printing rule is continuously optimized and corrected.
Specifically, in the step 3), if the type, the number, the usage amount, the screen printing position, the screen printing time and the screen printing area of the UV environmental-friendly ink selected in the step 2) are readjusted, corresponding adjustment is realized according to a preset priority level, the preset priority level is that the number of the UV environmental-friendly ink is more than the type and the usage amount, the screen printing position is more than the screen printing area is more than the screen printing time, and the number of the ink determines the type, the number of layers, the screen printing sequence and other factors in the subsequent ink screen printing, so that the priority determination is needed; the types of the ink determine the silk-screen printing sequence, compatibility and repulsion and the like during mutual silk-screen printing, so that the optimal silk-screen printing effect is realized in the most proper sequence and proportion; the use amount of the ink relates to the optimal proportion of the silk-screen printing effect and the cost control; the screen printing position, screen printing area and screen printing time finally determine the overall effect of the membrane subjected to uniform light treatment after screen printing.
Specifically, the preset priority level can be changed according to the needs, so that corresponding adjustment is performed according to the corresponding priority level according to different needs of the user.
Specifically, in the step 6), the preset simulated silk-screen rule is optimized according to the optimized value, wherein the optimized value A satisfies the following conditions
A＝aX+bY (1)
Wherein,
A is an optimized value;
a is the corresponding coefficient of qualified dodging processing parameters;
X is a qualified dodging processing parameter;
b is a corresponding parameter of the unqualified dodging processing parameter;
y is a qualified dodging processing parameter;
a+b=1 and satisfies that a is not less than b, so that an optimization value is determined in a mode of relatively heavier qualified dodging processing parameters, the optimization effect is more accurate, the optimization efficiency is higher, a and b are respectively determined according to requirements and historical experience, and after multiple optimization, the proportion of corresponding a and b is optimized and corrected according to the types of diaphragms with different proportions and the types of televisions.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. A light homogenizing treatment method for an optical reflection diaphragm is characterized by comprising the following steps of: the method comprises the following steps:
1) Establishing a corresponding diaphragm model according to the diaphragm type by adopting simulation software, simultaneously establishing a corresponding television model according to the television type, correspondingly assembling the diaphragm model and the corresponding television model, and then carrying out optical simulation measurement on the diaphragm model and the corresponding television model to determine the position needing uniform light treatment in a simulation environment;
2) The position which is determined in the step 1) and needs to be subjected to uniform light treatment is subjected to screen printing by using UV environment-friendly ink according to a preset simulated screen printing rule;
3) Determining whether the simulated optical performance parameters of the corresponding positions after the dodging treatment meet preset requirements or not through optical simulation measurement; if not, readjusting the type, the quantity, the using amount, the screen printing position, the screen printing time and the screen printing area of the UV environment-friendly ink selected in the step 2); if yes, recording the type, quantity, using amount, screen printing position, screen printing time and screen printing area of the corresponding selected UV environment-friendly ink, and entering the next step;
4) Correspondingly assembling the membrane and the television which are of the same type as the simulation environment, and determining the type, the quantity and the using amount of the selected UV environment-friendly ink, the screen printing position, the screen printing time and the screen printing area on the assembled membrane by adopting the simulation environment to carry out actual screen printing;
5) Performing optical actual measurement on the membrane subjected to actual screen printing, performing corresponding difference calculation on the obtained actual optical performance parameter and the simulated optical performance parameter, comparing the calculated absolute value of the difference with a preset threshold range, and if and only if the absolute value of the difference falls within the preset threshold range, determining that the dodging treatment for the type of membrane is qualified and recording the corresponding dodging treatment parameter; when the absolute value of the difference exceeds a preset threshold range, disqualification of the uniform light treatment for the type of membrane is determined, corresponding uniform light treatment parameters are recorded, and working parameters of the next actual uniform light treatment are correspondingly adjusted;
6) After multiple silk-screen printing, optimizing a preset simulation silk-screen printing rule according to the qualified uniform light processing parameters and the unqualified uniform light processing parameters.
2. The method for homogenizing light of an optical reflection film according to claim 1, wherein: in the step 1), the film model and the television model are in a single or non-single corresponding relation.
3. The method for homogenizing light of an optical reflection film according to claim 1, wherein: in the step 2), the preset simulated silk screen printing rule is determined according to historical experience and is corrected through later optimization.
4. The method for homogenizing light of an optical reflection film according to claim 1, wherein: in the step 3), if the type, the quantity, the use amount, the screen printing position, the screen printing time and the screen printing area of the UV environment-friendly ink selected in the step 2) are readjusted, corresponding adjustment is realized according to a preset priority level, and the preset priority level is that the quantity > the type > the use amount > the screen printing position > the screen printing area > the screen printing time of the UV environment-friendly ink.
5. The method for homogenizing light of an optical reflection film according to claim 4, wherein: the preset priority level can be changed according to the requirement.
6. The method for homogenizing light of an optical reflection film according to claim 1, wherein: in the step 6), the preset simulated silk-screen rule is optimized according to the optimized value, wherein the optimized value A meets the following conditions
A＝aX+bY (1)
Wherein,
A is an optimized value;
a is the corresponding coefficient of qualified dodging processing parameters;
X is a qualified dodging processing parameter;
b is a corresponding parameter of the unqualified dodging processing parameter;
y is a qualified dodging processing parameter;
a+b=1 and satisfies a not less than b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010846363.2A CN112001076B (en) | 2020-08-20 | 2020-08-20 | Light homogenizing treatment method for optical reflection diaphragm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010846363.2A CN112001076B (en) | 2020-08-20 | 2020-08-20 | Light homogenizing treatment method for optical reflection diaphragm |
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| CN112001076A CN112001076A (en) | 2020-11-27 |
| CN112001076B true CN112001076B (en) | 2024-05-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03174135A (en) * | 1989-09-12 | 1991-07-29 | Toppan Printing Co Ltd | Reflection type screen |
| CN107944131A (en) * | 2017-11-22 | 2018-04-20 | 山东农业大学 | A kind of printing net-point coverage rate analog measurement method |
| CN108896278A (en) * | 2018-05-23 | 2018-11-27 | 精锐视觉智能科技（深圳）有限公司 | A kind of optical filter silk-screen defect inspection method, device and terminal device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003098492A1 (en) * | 2002-05-15 | 2003-11-27 | Celestry Design Technologies, Inc. | Modeling devices in consideration of process fluctuations |
| US20200124843A1 (en) * | 2018-10-19 | 2020-04-23 | Xerox Corporation | Method of adjusting a plurality of optical elements associated with a light imaging module |
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- 2020-08-20 CN CN202010846363.2A patent/CN112001076B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03174135A (en) * | 1989-09-12 | 1991-07-29 | Toppan Printing Co Ltd | Reflection type screen |
| CN107944131A (en) * | 2017-11-22 | 2018-04-20 | 山东农业大学 | A kind of printing net-point coverage rate analog measurement method |
| CN108896278A (en) * | 2018-05-23 | 2018-11-27 | 精锐视觉智能科技（深圳）有限公司 | A kind of optical filter silk-screen defect inspection method, device and terminal device |
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