CN114924435B - Method for processing multiple structures of viewing angle film - Google Patents
Method for processing multiple structures of viewing angle film Download PDFInfo
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- CN114924435B CN114924435B CN202210569017.3A CN202210569017A CN114924435B CN 114924435 B CN114924435 B CN 114924435B CN 202210569017 A CN202210569017 A CN 202210569017A CN 114924435 B CN114924435 B CN 114924435B
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- 238000012545 processing Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000000007 visual effect Effects 0.000 claims abstract description 18
- 238000003672 processing method Methods 0.000 claims abstract description 12
- 238000013459 approach Methods 0.000 claims description 4
- 210000004087 cornea Anatomy 0.000 description 15
- 238000002474 experimental method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1323—Arrangements for providing a switchable viewing angle
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention discloses a processing method of various structures of a viewing angle film, which comprises the following steps: providing a roller and a processing cutter, wherein a to-be-processed video film is placed on the roller, and the processing cutter is vertically oriented to the roller and is positioned at one end of the to-be-processed video film; setting a linear speed V1 of the rotation of the roller and a feeding speed V2 of the roller; bringing a processing cutter close to the visual film to be processed and in contact with the visual film to be processed; the driving roller rotates according to a set linear speed V1 and the driving roller moves towards the processing cutter according to a set feeding speed V2, so that the processing cutter can process and form a plurality of mutually parallel prism structures on the surface of the to-be-processed video film from one end of the to-be-processed video film to the other end of the to-be-processed video film at one time. The invention adopts a processing method different from the traditional processing method, can process the visual angle films with different prism structures according to the requirements of customers, and has high processing efficiency after once processing.
Description
Technical Field
The invention relates to the technical field of visual angle film processing, in particular to a method for processing various structures of a visual angle film.
Background
The cornea refers to a film or sheet applied to a TFT LCD backlight module to change the light-emitting angle of the whole backlight system. The cornea can realize specific light-emitting angles, multiple visual angles and wide visual angles in the TFT-LCD backlight module, and the light rays in all directions can be concentrated to specific direction angles by utilizing the special prism structure of the cornea and through optical principles such as refraction, total reflection, light accumulation and the like, so that the visual angle of the LCD panel is controlled.
The traditional manufacture of the prism structure on the surface of the cornea is completed by driving the viewing angle film to be processed to rotate through the roller and matching with repeated feeding of the processing cutter, the processing efficiency of the processing method is very low, and only the viewing angle film of one prism structure can be processed, so that the requirements of customers can not be met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a processing method for various structures of a viewing angle film, which is different from the traditional processing method, can process the viewing films with different prism structures according to the requirements of customers, and has the advantages of once processing the prism structures and high processing efficiency.
The technical scheme of the invention is as follows:
A method of processing multiple structures of a viewing angle film, comprising:
Providing a roller and a processing cutter, wherein a to-be-processed video film is placed on the roller, and the processing cutter is vertically oriented to the roller and is positioned at one end of the to-be-processed video film;
setting a linear speed V1 of the rotation of the roller and a feeding speed V2 of the roller;
Bringing the processing cutter close to the visual film to be processed and in contact with the visual film to be processed;
the roller is driven to rotate according to a set linear speed V1, and is driven to move towards the processing cutter according to a set feeding speed V2, so that the processing cutter can process the surface of the to-be-processed video film from one end of the to-be-processed video film to the other end of the to-be-processed video film at one time to form a plurality of mutually parallel prism structures.
Wherein the feed speed V2 of the roller is less than 2mm/min.
The prism structure is a right triangle prism structure, the height H of the right triangle prism structure is 5-100 um, and the apex angle interval P of two adjacent prism structures is 10-200 um.
Wherein, apex angle A1 of right triangle prism structure is 75 degrees, and base angle A2 is 90 degrees, and base angle A3 is 15 degrees, and base D is 50um, and height H is 13.4um, and visual angle is 2.1 degrees.
Further, before the processing cutter approaches to the viewing angle film to be processed, the processing cutter can be opposite to the surface of the viewing angle film to be processed by deflecting the processing cutter so as to process the viewing films with different right triangle prism structures.
Wherein the deflection angle of the machining tool is <85 degrees.
In one technical scheme, the processing cutter deflects 55 degrees, the vertex angle A1 of the processed right triangle prism structure is 65 degrees, the base angle A2 is 90 degrees, the base angle A3 is 25 degrees, the base angle D is 50um, the height H is 23.3um, and the angle of view is 14.1 degrees.
In one technical scheme, the deflection of the processing cutter is 67.5 degrees, the vertex angle A1 of the processed right triangle prism structure is 55 degrees, the base angle A2 is 90 degrees, the base angle A3 is 35 degrees, the base D is 50um, the height H is 35um, and the angle of view is 19.7 degrees.
In one technical scheme, the processing cutter deflects 74.5 degrees, the vertex angle A1 of the processed right triangle prism structure is 45 degrees, the base angle A2 is 90 degrees, the base angle A3 is 45 degrees, the base D is 50um, the height H is 50um, and the angle of view is 23.9 degrees.
In one technical scheme, the deflection of the processing cutter is 79.2 degrees, the vertex angle A1 of the processed right triangle prism structure is 35 degrees, the base angle A2 is 90 degrees, the base angle A3 is 55 degrees, the base angle D is 50um, the height H is 71.4um, and the viewing angle is 27.1 degrees.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the viewing angle film to be processed is driven to rotate and feed through the roller, the processing cutter is a fixed point, the prism structure is processed once, the processing efficiency is greatly improved, and before the processing cutter approaches the viewing angle film to be processed, the processing cutter can be deflected to enable the processing cutter to be opposite to the surface of the viewing angle film to be processed, so that the viewing angle films with different prism structures are processed, and the requirements of customers are met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a process flow diagram of a method for fabricating a plurality of structures of a viewing angle film according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a method for fabricating a viewing angle film according to an embodiment of the present invention;
FIG. 3 is a schematic view of a visual film processed by a plurality of structural processing methods according to a first embodiment of the present invention;
Fig. 4 is a schematic structural diagram of a right triangle prism structure processed by a plurality of methods for processing structures of a viewing angle film according to a first embodiment of the present invention;
FIG. 5 is a process flow diagram of a method for fabricating a plurality of structures of a viewing angle film according to a second embodiment of the present invention;
Fig. 6 is a schematic processing diagram of a processing method of multiple structures of a viewing angle film according to a second embodiment of the present invention;
FIG. 7 is a schematic view of a visual film processed by a method for processing multiple structures according to a second embodiment of the present invention;
Fig. 8 is a schematic structural diagram of a right triangle prism structure processed by a method for processing multiple structures of a viewing angle film according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In order to illustrate the technical scheme of the invention, the following description is made by specific examples.
Example 1
Referring to fig. 1 and 2, the present embodiment provides a method for processing multiple structures of a viewing angle film, including:
Providing a roller 1 and a processing cutter 2, wherein a to-be-processed cornea 3 is placed on the roller 1, and the processing cutter 2 faces the roller 1 vertically and is positioned at one end of the to-be-processed cornea 3;
Setting a linear speed V1 of rotation of the roller 1 and a feeding speed V2 of the roller 1, wherein the feeding speed V2 of the roller 1 is less than 2mm/min;
Bringing the processing tool 2 close to the cornea 3 to be processed and in contact with the cornea 3 to be processed;
the driving roller 1 rotates at a set linear speed V1, and the driving roller 1 moves towards the processing cutter 2 at a set feeding speed V2, so that the processing cutter 2 processes the surface of the to-be-processed video film 3 from one end of the to-be-processed video film 3 to the other end of the to-be-processed video film 3 once to form a plurality of mutually parallel right-angle triangular prism structures 4 as shown in fig. 3, the height H of the right-angle triangular prism structures 4 is 5-100 um, the vertex angle interval P of two adjacent prism structures 4 is 10-200 um, and the formed right-angle triangular prism structures 4 are shown in fig. 4.
Example two
Referring to fig. 5 and 6, the present embodiment provides a method for processing multiple structures of a viewing angle film, including:
Providing a roller 1 and a processing cutter 2, wherein a to-be-processed cornea 3 is placed on the roller 1, and the processing cutter 2 faces the roller 1 vertically and is positioned at one end of the to-be-processed cornea 3;
Setting a linear speed V1 of rotation of the roller 1 and a feeding speed V2 of the roller 1, wherein the feeding speed V2 of the roller 1 is less than 2mm/min;
deflecting the processing cutter 2 to enable the processing cutter 2 to be opposite to the surface of the visual film 3 to be processed, wherein the deflection angle of the processing cutter 2 is less than 85 degrees;
Bringing the processing tool 2 close to the cornea 3 to be processed and in contact with the cornea 3 to be processed;
The driving roller 1 rotates at a set linear speed V1, and the driving roller 1 moves towards the processing cutter 2 at a set feeding speed V2, so that the processing cutter 2 processes the surface of the to-be-processed video film 3 from one end of the to-be-processed video film 3 to the other end of the to-be-processed video film 3 once to form a plurality of mutually parallel right triangle prism structures 4 as shown in fig. 7, the height H of the right triangle prism structures 4 is 5-100 um, the vertex angle interval P of two adjacent prism structures 4 is 10-200 um, and the formed right triangle prism structures 4 are shown in fig. 8.
Experiments show that different structural designs and visual angle effects can be realized by adopting the same processing cutter 2 and adjusting the deflection angle of the processing cutter 2, as shown in the following table:
| NO. | Deflection (degree) | A1 (degree) | A2 (degree) | A3 (degree) | D(um) | H(um) | Viewing angle (degree) |
| 1 | 0.0 | 75.0 | 90.0 | 15.0 | 50.0 | 13.4 | 2.1 |
| 2 | 55.0 | 65.0 | 90.0 | 25.0 | 50.0 | 23.3 | 14.1 |
| 3 | 67.5 | 55.0 | 90.0 | 35.0 | 50.0 | 35.0 | 19.7 |
| 4 | 74.5 | 45.0 | 90.0 | 45.0 | 50.0 | 50.0 | 23.9 |
| 5 | 79.2 | 35.0 | 90.0 | 55.0 | 50.0 | 71.4 | 27.1 |
Experiment 1 did not have a deflection angle, corresponding to example 1, the apex angle A1 of the formed right triangle prism structure 4 was 75 degrees, the base angle A2 was 90 degrees, the base angle A3 was 15 degrees, the base D was 50um, the height H was 13.4um, and the viewing angle was 2.1 degrees.
Experiments 2 to 5 have a deflection angle corresponding to example 2, and in experiment 2, by deflection of 55 degrees, the apex angle A1 of the formed right triangle prism structure 4 is 65 degrees, the base angle A2 is 90 degrees, the base angle A3 is 25 degrees, the base angle D is 50um, the height H is 23.3um, and the viewing angle is 14.1 degrees; in experiment 3, by deflection of 67.5 degrees, the vertex angle A1 of the formed right triangle prism structure 4 is 55 degrees, the base angle A2 is 90 degrees, the base angle A3 is 35 degrees, the base D is 50um, the height H is 35um, and the viewing angle is 19.7 degrees; in experiment 4, the apex angle A1 of the formed right triangle prism structure 4 is 45 degrees, the base angle A2 is 90 degrees, the base angle A3 is 45 degrees, the base D is 50um, the height H is 50um, and the viewing angle is 23.9 degrees by deflecting 74.5 degrees; experiment 5 by deflection 79.2 degrees, the apex angle A1 of the formed right triangle prism structure 4 is 35 degrees, the base angle A2 is 90 degrees, the base angle A3 is 55 degrees, the base D is 50um, the height H is 71.4um, and the viewing angle is 27.1 degrees.
The first embodiment and the second embodiment adopt a processing method different from the traditional processing method, the roller 1 drives the cornea 3 to be processed to rotate and feed, the processing cutter 2 is a fixed point, the processing of the right triangle prism structure 4 is completed once, the processing efficiency is greatly improved, and the second embodiment enables the processing cutter 2 to be opposite to the surface of the cornea 3 to be processed by deflecting the processing cutter 2 before the processing cutter 2 approaches the cornea 3 to be processed, so that the visual angle films of different right triangle prism structures 4 are processed, and different customer requirements are met.
The foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. A method for processing multiple structures of a viewing angle film, comprising:
Providing a roller and a processing cutter, wherein a to-be-processed video film is placed on the roller, and the processing cutter is vertically oriented to the roller and is positioned at one end of the to-be-processed video film;
setting a linear speed V1 of the rotation of the roller and a feeding speed V2 of the roller;
Bringing the processing cutter close to the visual film to be processed and in contact with the visual film to be processed;
the roller is driven to rotate according to a set linear speed V1, and is driven to move towards the processing cutter according to a set feeding speed V2, so that the processing cutter can process the surface of the to-be-processed video film from one end of the to-be-processed video film to the other end of the to-be-processed video film at one time to form a plurality of mutually parallel prism structures.
2. A viewing angle film multiple structure processing method according to claim 1, wherein the feed speed V2 of the roller is <2mm/min.
3. The method for processing multiple structures of a viewing angle film according to claim 1, wherein the prism structures are right triangle prism structures, the height H of each right triangle prism structure is 5-100 um, and the apex angle interval P between two adjacent prism structures is 10-200 um.
4. A method of processing multiple structures of a viewing angle film according to claim 3, wherein the apex angle A1 of the right triangle prism structure is 75 degrees, the base angle A2 is 90 degrees, the base angle A3 is 15 degrees, the base D is 50um, the height H is 13.4um, and the viewing angle is 2.1 degrees.
5. A method of processing multiple structures of viewing angle films according to claim 3, wherein before the processing tool approaches the viewing angle film to be processed, the processing tool is deflected to face the processing tool to the surface of the viewing angle film to be processed, so as to process the viewing films of different right triangle prism structures.
6. The viewing angle film multiple structure processing method of claim 5, wherein the deflection angle of the processing tool is <85 degrees.
7. The method according to claim 6, wherein the processing tool is deflected by 55 degrees, the vertex angle A1 of the processed right triangle prism structure is 65 degrees, the base angle A2 is 90 degrees, the base angle A3 is 25 degrees, the base angle D is 50um, the height H is 23.3um, and the viewing angle is 14.1 degrees.
8. The method according to claim 6, wherein the deflection of the processing tool is 67.5 degrees, the vertex angle A1 of the processed right triangle prism structure is 55 degrees, the base angle A2 is 90 degrees, the base angle A3 is 35 degrees, the base angle D is 50um, the height H is 35um, and the viewing angle is 19.7 degrees.
9. The method according to claim 6, wherein the processing tool deflects 74.5 degrees, the processed right triangle prism structure has a vertex angle A1 of 45 degrees, a base angle A2 of 90 degrees, a base angle A3 of 45 degrees, a base angle D of 50um, a height H of 50um, and a viewing angle of 23.9 degrees.
10. The method according to claim 6, wherein the processing tool deflects 79.2 degrees, the vertex angle A1 of the processed right triangle prism structure is 35 degrees, the base angle A2 is 90 degrees, the base angle A3 is 55 degrees, the base angle D is 50um, the height H is 71.4um, and the viewing angle is 27.1 degrees.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107735698A (en) * | 2015-07-10 | 2018-02-23 | 日本瑞翁株式会社 | Visual angle expands film, polarizer and liquid crystal display device |
| CN110308505A (en) * | 2019-07-10 | 2019-10-08 | 长春理工大学 | A method of no-idle running mechanical scratching diffraction grating is carried out using bi-conical circular arc icking tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456667B (en) * | 2007-12-10 | 2011-12-21 | 鸿富锦精密工业（深圳）有限公司 | Prismatic lens producing method |
| WO2020080258A1 (en) * | 2018-10-19 | 2020-04-23 | 日本ゼオン株式会社 | Viewing angle expansion film, polarizing plate, liquid crystal display device, and method for manufacturing viewing angle expansion film |
| CN113319302A (en) * | 2021-05-10 | 2021-08-31 | 东莞市光志光电有限公司 | Method for machining rolling wheel and rolling wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107735698A (en) * | 2015-07-10 | 2018-02-23 | 日本瑞翁株式会社 | Visual angle expands film, polarizer and liquid crystal display device |
| CN110308505A (en) * | 2019-07-10 | 2019-10-08 | 长春理工大学 | A method of no-idle running mechanical scratching diffraction grating is carried out using bi-conical circular arc icking tool |
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