CN117048039A - VR optical composite film laminating method - Google Patents
VR optical composite film laminating method Download PDFInfo
- Publication number
- CN117048039A CN117048039A CN202311031840.XA CN202311031840A CN117048039A CN 117048039 A CN117048039 A CN 117048039A CN 202311031840 A CN202311031840 A CN 202311031840A CN 117048039 A CN117048039 A CN 117048039A
- Authority
- CN
- China
- Prior art keywords
- polaroid
- wave plate
- linear
- film
- optical
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 238000010030 laminating Methods 0.000 title claims abstract description 10
- 239000011265 semifinished product Substances 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 239000000853 adhesive Substances 0.000 claims description 18
- 230000001070 adhesive effect Effects 0.000 claims description 18
- 238000003475 lamination Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 abstract description 40
- 239000012788 optical film Substances 0.000 abstract description 14
- 238000003698 laser cutting Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 210000000887 face Anatomy 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0004—Component parts, details or accessories; Auxiliary operations
-
- 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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0083—Reflectors
-
- 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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
Abstract
The invention discloses a laminating method of VR optical composite films, which belongs to the field of optical films, wherein an optical axis angle of the optical films is measured through an optical axis detector, a required adjusting angle is calculated, the optical films are rotated, the optical axis angles among a plurality of optical films accord with preset values, a linear polaroid is parallel to a transmission axis of a reflective polaroid, the transmission axis of a semi-finished product forms an included angle of 45 degrees with a speed axis of a 1/4 wave plate, and the laminated VR optical composite films meet design requirements.
Description
Technical Field
The invention relates to the field of optical films, in particular to a laminating method of a VR optical composite film.
Background
VR glasses use a head-mounted display device to close the human vision and hearing to the outside, and guide the user to feel a sense of being in a virtual environment. The display principle is that the left and right eye screens respectively display left and right eye images, and human eyes can generate stereoscopic impression in the brain after acquiring the information with the difference. The left and right eye screens respectively display images of left and right eyes, and human eyes generate stereoscopic impression in brains after acquiring the information with the difference.
The VR optical film is an important component of VR glasses, and the thickness and weight of the lens module are greatly reduced through the principle of light path folding. The VR lens includes an optical Film composed of a Linear Polarizer (POL), a reflective Polarizer (PBS, polarization Beam Spliter), a quarter wave plate (QWP, quarter Wave Plate), an antireflection Film (AR), and the like. POL can convert unpolarized light into linear polarized light, when the included angle between the linear polarized light and the two axes of the 1/4 wave plate is 45 degrees, the linear polarized light can be changed into circularly polarized light after passing through the wave plate, so that the included angle between the transmission axis direction of POL and the speed axis of QWP is 45 degrees on the premise that the linear polarized light perpendicularly enters the 1/4 wave plate is ensured.
In the laminating process of the existing VR optical film, when errors exist in the included angle of the optical axis, the laser cutting machine is used for correcting the angle of the material, so that the efficiency is low and the cost is high.
Disclosure of Invention
In order to overcome the defects in the prior art, one of the purposes of the invention is to provide a VR optical composite film laminating method, which can correct the angle of a film during lamination and avoid cutting materials by using a laser cutting machine.
One of the purposes of the invention is realized by adopting the following technical scheme:
a VR optical composite film laminating method comprises the following steps:
s1: measuring the transmission axis angles of the linear polaroid and the reflective polaroid respectively by adopting an optical axis detector, calculating a required adjustment angle according to the measured transmission axis angles of the linear polaroid and the reflective polaroid, and rotating at least one of the linear polaroid and the reflective polaroid to enable the transmission axes of the linear polaroid and the reflective polaroid to be parallel, wherein the linear polaroid and the reflective polaroid are attached to form a semi-finished product;
s2: an optical axis detector is adopted to respectively measure the transmission axis of the semi-finished product and the speed axis angle of the 1/4 wave plate, a required adjustment angle is calculated according to the measured transmission axis of the semi-finished product and the speed axis angle of the 1/4 wave plate, at least one of the semi-finished product and the 1/4 wave plate is rotated, so that the transmission axis of the semi-finished product and the speed axis of the 1/4 wave plate form an included angle of 45 degrees, and the reflecting polarizer surface of the semi-finished product is attached to the 1/4 wave plate to form a sheet;
s3: and bonding the linear polarizing plate surface of the sheet and the AR film to form the VR optical composite film.
Further, in step S1, the method further includes sucking the linear polarizer, with the non-adhesive surface of the linear polarizer facing downward, tearing off the protective film on the non-adhesive surface of the linear polarizer, placing the reflective polarizer on the positioning platform, with the adhesive surface of the reflective polarizer facing upward, and tearing off the release film on the adhesive surface of the reflective polarizer.
Further, in step S1, when the linear polarizer and the reflective polarizer are bonded, the bonding pressure is 2.5kg, and the bonding speed is 20mm/S.
Further, in step S2, both sides of the 1/4 wave plate are glue surfaces, a release film is arranged on the lower surface of the 1/4 wave plate, the 1/4 wave plate is sucked, the release film on the lower surface is torn off, the semi-finished product is placed on a positioning platform, the non-glue surface of the reflective polarizer faces upwards, and the protective film on the non-glue surface is torn off.
Further, in step S2, the bonding pressure of the reflection polarizer surface of the semi-finished product and the 1/4 wave plate is 2.5kg, and the bonding speed is 20mm/S.
Further, in step S3, the method further includes sucking a sheet, wherein the adhesive side of the linear polarizer of the sheet faces downwards, tearing off the release film on the adhesive side of the linear polarizer, placing the AR film on the positioning platform, and facing upwards the non-coating side of the AR film.
Further, in step S3, the bonding pressure was 2.5kg and the bonding speed was 20mm/S.
Further, in step S3, the method further includes physical alignment, specifically: the positioning platform rotates the AR film to physically align the AR film with the sheet.
Compared with the prior art, the VR optical composite film laminating method provided by the invention has the advantages that the optical axis angle of the optical film is measured through the optical axis detector, the required adjustment angle is calculated, the optical films are rotated, the optical axis angles among a plurality of optical films accord with the preset value, the laminated VR optical composite film meets the design requirement, and the material is prevented from being cut by a laser cutting machine.
Drawings
FIG. 1 is a flow chart of a VR optical composite film attachment method in accordance with the present invention;
fig. 2 is an optical path diagram of the VR optical composite film of fig. 1.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that when a structure is referred to as being "fixed to" another structure, it can be directly on the other structure or another intermediate structure can be present and be fixed by the intermediate structure. When an structure is referred to as being "connected" to another structure, it can be directly connected to the other structure or another intervening structure may also be present. When a structure is referred to as being "disposed on" another structure, it can be directly on the other structure or intervening structures may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the VR optical composite film attaching method of the present invention includes the following steps:
s1: measuring the transmission axis angles of the linear polaroid and the reflective polaroid respectively by adopting an optical axis detector, calculating a required adjustment angle according to the measured transmission axis angles of the linear polaroid and the reflective polaroid, rotating at least one of the linear polaroid and the reflective polaroid, enabling the transmission axes of the linear polaroid and the reflective polaroid to be parallel, and bonding the linear polaroid and the reflective polaroid to form a semi-finished product;
s2: an optical axis detector is adopted to respectively measure the transmission axis of the semi-finished product and the speed axis angle of the 1/4 wave plate, a required adjustment angle is calculated according to the measured transmission axis of the semi-finished product and the speed axis angle of the 1/4 wave plate, at least one of the semi-finished product and the 1/4 wave plate is rotated, the transmission axis of the semi-finished product and the speed axis of the 1/4 wave plate form an included angle of 45 degrees, and the reflecting polarizer surface of the semi-finished product is attached to the 1/4 wave plate to form a sheet;
s3: and bonding the linear polarizing plate surface of the sheet and the AR film to form the VR optical composite film.
Specifically, in step S1, the linear polarizer is POL, and the reflective polarizer is PBS. Before the optical axis detector measures the transmission axis angles of the linear polarizer and the reflective polarizer, respectively, the linear polarizer is also required to be fed and transported. Placing the linear polaroid on an adsorption platform, moving the adsorption platform to the lower part of a transfer device, sucking the linear polaroid by the transfer device, enabling the non-adhesive surface of the linear polaroid to face downwards, tearing off a protective film on the non-adhesive surface of the linear polaroid, placing the reflective polaroid on a positioning platform, enabling the adhesive surface of the reflective polaroid to face upwards, and tearing off a release film on the adhesive surface of the reflective polaroid. When the linear polaroid and the reflective polaroid are attached, the attaching pressure is 2.5kg and the attaching speed is 20mm/s when the linear polaroid and the reflective polaroid are attached.
Specifically, in step S2, the 1/4 wave plate is QWP. Before the optical axis detector measures the angle of the transmission axis of the semi-finished product and the fast and slow axis of the 1/4 wave plate respectively, the 1/4 wave plate is also required to be fed and transported. The two sides of the 1/4 wave plate are both adhesive surfaces, the lower surface of the 1/4 wave plate is provided with a release film, the 1/4 wave plate is placed on the adsorption platform, the adsorption platform moves to the lower part of the transfer device, the transfer device absorbs the 1/4 wave plate, the release film on the lower surface is torn off, the semi-finished product is placed on the positioning platform, the non-adhesive surface of the reflective polarizer faces upwards, and the protective film on the non-adhesive surface is torn off. When the 1/4 wave plate and the semi-finished product are bonded, the bonding pressure of the reflective polarizer surface of the semi-finished product and the 1/4 wave plate is 2.5kg, and the bonding speed is 20mm/s.
Specifically, in step S3, the method further includes sucking the sheet, tearing off the release film on the adhesive side of the linear polarizer, placing the AR film on the positioning platform, and making the non-coating side of the AR film face up. The positioning platform rotates the AR film to enable the AR film to be in physical alignment with the sheet, and the bonding pressure of the AR film and the sheet is 2.5kg and the bonding speed is 20mm/s.
According to the VR optical composite film laminating method, the optical axis angle of the optical film is measured through the optical axis detector, the required adjusting angle is calculated, the optical films are rotated, the optical axis angles among the optical films accord with the preset value, the laminated VR optical composite film meets the design requirement, and the material is prevented from being cut by a laser cutting machine.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, it is possible to make several modifications and improvements without departing from the concept of the present invention, which are equivalent to the above embodiments according to the essential technology of the present invention, and these are all included in the protection scope of the present invention.
Claims (8)
1. The VR optical composite film laminating method is characterized by comprising the following steps of:
s1: measuring the transmission axis angles of the linear polaroid and the reflective polaroid respectively by adopting an optical axis detector, calculating a required adjustment angle according to the measured transmission axis angles of the linear polaroid and the reflective polaroid, and rotating at least one of the linear polaroid and the reflective polaroid to enable the transmission axes of the linear polaroid and the reflective polaroid to be parallel, wherein the linear polaroid and the reflective polaroid are attached to form a semi-finished product;
s2: an optical axis detector is adopted to respectively measure the transmission axis of the semi-finished product and the speed axis angle of the 1/4 wave plate, a required adjustment angle is calculated according to the measured transmission axis of the semi-finished product and the speed axis angle of the 1/4 wave plate, at least one of the semi-finished product and the 1/4 wave plate is rotated, so that the transmission axis of the semi-finished product and the speed axis of the 1/4 wave plate form an included angle of 45 degrees, and the reflecting polarizer surface of the semi-finished product is attached to the 1/4 wave plate to form a sheet;
s3: and bonding the linear polarizing plate surface of the sheet and the AR film to form the VR optical composite film.
2. The VR optical composite film lamination method of claim 1, wherein: in step S1, the method further includes sucking the linear polarizer, tearing off the protective film on the non-adhesive surface of the linear polarizer, placing the reflective polarizer on the positioning platform, and tearing off the release film on the adhesive surface of the reflective polarizer with the adhesive surface of the reflective polarizer facing upwards.
3. The VR optical composite film lamination method of claim 1, wherein: in the step S1, when the linear polarizer and the reflective polarizer are bonded, the bonding pressure is 2.5kg, and the bonding speed is 20mm/S.
4. The VR optical composite film lamination method of claim 1, wherein: in the step S2, the two sides of the 1/4 wave plate are both rubber surfaces, a release film is arranged on the lower surface of the 1/4 wave plate, the 1/4 wave plate is absorbed, the release film on the lower surface is torn off, the semi-finished product is placed on a positioning platform, the non-rubber surface of the reflective polarizer faces upwards, and the protective film on the non-rubber surface is torn off.
5. The VR optical composite film lamination method of claim 1, wherein: in the step S2, the bonding pressure of the reflecting polarizer surface of the semi-finished product and the 1/4 wave plate is 2.5kg, and the bonding speed is 20mm/S.
6. The VR optical composite film lamination method of claim 1, wherein: in step S3, the method further includes sucking the sheet, tearing off the release film on the adhesive side of the linear polarizer, placing the AR film on the positioning platform, and making the non-coating side of the AR film face up.
7. The VR optical composite film lamination method of claim 6, wherein: in step S3, the bonding pressure was 2.5kg and the bonding speed was 20mm/S.
8. The VR optical composite film lamination method of claim 6, wherein: in step S3, the method further includes physical alignment, specifically: the positioning platform rotates the AR film to physically align the AR film with the sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311031840.XA CN117048039A (en) | 2023-08-16 | 2023-08-16 | VR optical composite film laminating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311031840.XA CN117048039A (en) | 2023-08-16 | 2023-08-16 | VR optical composite film laminating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117048039A true CN117048039A (en) | 2023-11-14 |
Family
ID=88664014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311031840.XA Pending CN117048039A (en) | 2023-08-16 | 2023-08-16 | VR optical composite film laminating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117048039A (en) |
-
2023
- 2023-08-16 CN CN202311031840.XA patent/CN117048039A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101625693B1 (en) | Curved optical filters | |
| JP4800304B2 (en) | High durability and high performance polarizing optical element using low elastic organic layer | |
| JP2012098515A (en) | Glasses for appreciating stereoscopic image and method for manufacturing the same | |
| JP2009175551A (en) | Three-dimensional image display apparatus and manufacturing method thereof | |
| KR101908172B1 (en) | Method for manufacturing laminated film | |
| CN213780542U (en) | Display optical system for correcting chromatic aberration and head-mounted display device | |
| JP2012053077A (en) | Rolled polarizing plate set, method for manufacturing the same, and method for manufacturing liquid crystal panel | |
| KR20120005973U (en) | A stereo display polarizer and method for fabricating thereof | |
| JP2019207420A (en) | Light-modulating member, sun visor, and moving body | |
| JP6737932B1 (en) | Manufacturing method of machined film | |
| CN117048039A (en) | VR optical composite film laminating method | |
| JP2006323042A (en) | Method for manufacturing laminated polarizing film | |
| KR20120116356A (en) | Optical film and polarization sunglass | |
| CN102736162B (en) | Phase difference film for glasses, optical slice for 3D glasses and 3D glasses | |
| CN101989027A (en) | Single lens reflex semipermeable membrane lens and preparation method thereof | |
| CN219871838U (en) | Light splitting assembly and augmented reality display device | |
| AU2015200351B2 (en) | Curved optical filters | |
| WO2022088836A1 (en) | Display optical system and head-mounted display apparatus which reduce ghosting | |
| CN117002128A (en) | Semiautomatic optical axis alignment laminating machine | |
| TW202229928A (en) | Manufacturing method of optical system for head-mounted display | |
| CN116430504A (en) | Light splitting assembly and augmented reality display device | |
| CN112305764A (en) | Display optical system for correcting chromatic aberration and head-mounted display device | |
| CN201477339U (en) | Semi-transparent film lens of single-lens reflex camera | |
| JP2023151667A (en) | Polarizable curved laminate, polarizable laminate, lens for glasses, and glasses | |
| JP2023151668A (en) | Polarizable curved laminate, polarizable laminate, and spectacles lens and spectacles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |