CN110568542A - polaroid, preparation method, display assembly and terminal - Google Patents
polaroid, preparation method, display assembly and terminal Download PDFInfo
- Publication number
- CN110568542A CN110568542A CN201910802452.4A CN201910802452A CN110568542A CN 110568542 A CN110568542 A CN 110568542A CN 201910802452 A CN201910802452 A CN 201910802452A CN 110568542 A CN110568542 A CN 110568542A
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- polarizing film
- area
- film
- polaroid
- polarizer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a polaroid, a preparation method, a display assembly and a terminal, wherein the polaroid can be applied to a display panel with an opening, and comprises the following components: a polarizing film having a light transmitting region thereon; and the first protective films are respectively arranged on two sides of the polarizing film. According to the polaroid, the light transmission area corresponding to the position of the opening of the display panel is arranged on the polarizing film, when the polaroid with the light transmission area is applied to the display panel with the opening, the formed polaroid is not required to be punched for opening, and in the process of laminating the polaroid and the cover plate, the opening part of the polaroid is not required to be filled by using optical cement, so that the working procedures are reduced, the problems of uneven opening position of the polaroid and easy occurrence of bubbles in the filling process are solved, the laminating is convenient, the laminating effect of the polaroid and the cover plate is improved, and the laminating yield is improved.
Description
Technical Field
The invention relates to the field of polaroids, in particular to a polaroid, a preparation method, a display assembly and a terminal.
background
in the application process of the polarizer, when the polarizer is applied to a display panel with openings, the openings are required to be formed on the polarizer to correspond to the openings on the display panel. As shown in fig. 1, in the prior art, punching holes is performed on a formed polarizer 2 first, so that the holes on the polarizer 2 correspond to the holes 6 on the display panel 1, in the process of attaching the polarizer 2 after being punched to the cover plate 4, the polarizer 2 and the cover plate 4 are bonded through the OCA optical Adhesive layer 3, and the holes of the polarizer 2 are filled with OCA (optical clear Adhesive) optical Adhesive.
Disclosure of Invention
In view of the above, the invention provides a polarizer, a preparation method thereof, a display module and a terminal, which are used for solving the problems that the position of an opening is uneven when a formed polarizer is punched and holed, bubbles are easy to appear in the process of filling the opening of the polarizer by using an OCA optical adhesive, the bonding effect is affected, and the bonding is inconvenient.
in order to solve the technical problems, the invention adopts the following technical scheme:
In a first aspect, a polarizer according to an embodiment of the present invention is applied to a display panel having an opening, the polarizer including:
A polarizing film having a light transmitting region thereon;
And the first protective films are respectively arranged on two sides of the polarizing film.
further, the polarizing film of the light-transmitting area is transparent; or the light-transmitting area is a hollow-out area.
Further, the polarizer further includes:
A transparent adhesive layer provided on the first protective film on one side of the polarizing film;
A release film provided on the side of the transparent adhesive layer away from the polarizing film;
and a second protective film disposed on the first protective film on the other side of the polarizing film.
in a second aspect, a display assembly according to an embodiment of the present invention includes:
The display panel is provided with an opening;
the polarizer is disposed on the display panel as described in the above embodiments.
Further, the display assembly further comprises:
the cover plate is arranged on one side of the polaroid, which is far away from the display panel.
In a third aspect, a terminal according to an embodiment of the present invention includes the display module described in the above embodiments.
in a fourth aspect, according to the method for manufacturing a polarizer of an embodiment of the present invention, the method includes the steps of:
forming a polarizing film, and arranging a light transmitting area on the polarizing film;
First protective films are respectively formed on both sides of the polarizing film.
further, the forming a polarizing film includes:
Providing a substrate, and shielding a first area on the substrate;
dyeing the substrate;
After dyeing is completed, removing the shielding of the first area to form the polarizing film, wherein the first area of the polarizing film is transparent to form the light transmission area.
Further, the forming a polarizing film includes:
dyeing a substrate for forming the polarizing film;
Shielding a second area on the base material, wherein the second area is other areas except the first area on the base material;
Decolorizing the first area which is not shielded to form the polarizing film, wherein the first area of the polarizing film is transparent to form the light transmission area;
removing the occlusion of the second area.
further, the masking the second area on the substrate comprises:
dyeing a substrate for forming the polarizing film;
forming a light-shielding film on the dyed substrate;
and exposing and developing the shading film to form a shading pattern, wherein the shading pattern shades a second area of the base material.
further, the forming a polarizing film includes:
Before the first protective films are formed on both sides of the polarizing film, a hollow area is formed on the polarizing film.
The technical scheme of the invention at least has the following beneficial effects:
according to the polaroid, the light transmission area is arranged on the polarizing film, when the polaroid with the light transmission area is applied to the display panel with the opening, the formed polaroid is not required to be punched and opened, and in the process of laminating the polaroid and the cover plate, OCA optical cement is not required to be used for filling the opening of the polaroid, so that the working procedures are reduced, the problems that the opening position of the polaroid is not flat and bubbles are easy to generate in the filling process are avoided, the laminating is convenient, the laminating effect of the polaroid and the cover plate is improved, and the laminating yield is improved.
Drawings
FIG. 1 is a schematic diagram of a conventional polarizer and a display panel;
FIG. 2 is a schematic structural diagram of a polarizer according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a display module according to an embodiment of the present invention;
FIG. 4 is another schematic structural diagram of a display module according to an embodiment of the present invention;
FIG. 5a is a schematic view of a first region on a substrate;
FIG. 5b is a schematic view of the first region in FIG. 5a after forming a light-transmitting region;
FIG. 6a is a schematic view of a dyed layer and a light-shielding film formed on a substrate;
FIG. 6b is a schematic illustration of the structure of FIG. 6a after exposure;
FIG. 6c is a schematic representation of the structure of FIG. 6b after development;
Fig. 6d is a schematic diagram of the structure in fig. 6c after being decolored to form a light-transmitting region.
reference numerals
A polarizing film 10; a light-transmitting region 11; a base material 12; a first region 13;
a second region 14; a dyed layer 15; a light shielding film 16;
a first protection film 20;
A cover plate 30;
A transparent adhesive layer 40;
a release film 50;
A second protective film 60; a display panel 70.
Detailed Description
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
A polarizer according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
as shown in fig. 2, the polarizer according to the embodiment of the present invention may be applied to a display panel having an opening, and includes: a polarizing film 10, the polarizing film 10 having a light-transmitting area 11, the light-transmitting area 11 corresponding to the position of the opening on the display panel; the first protective films 20 are respectively disposed on both sides of the polarizing film 10.
that is, the polarizer is mainly composed of a polarizing film 10 and a first protective film 20, a light-transmitting region 11 may be disposed at a position of the polarizing film 10 corresponding to a position of an opening on the display panel to ensure light transmittance through the light-transmitting region 11, the first protective films 20 may be disposed at two sides of the polarizing film 10, and the polarizing film 10 is supported and protected by the first protective films 20 to prevent the polarizing film 10 from being damaged. The polarizing film 10 may be a polyvinyl alcohol (PVA) film, the first protective film 20 may be a Triacetylcellulose (TAC) film, and the triacetylcellulose film may support and protect the PVA film to ensure that the extended PVA film does not retract; since polyvinyl alcohol is easily hydrolyzed, a TAC film having high light transmittance and good water resistance may be respectively laminated on both sides of the PVA film in order to protect the polarizing film.
through set up the light transmission district 11 that corresponds with the position of display panel's trompil on polarizing film 10, the polaroid 10 that will have light transmission district 11 is applied to the display panel (for example, it is dull and stereotyped, cell-phone or computer display) that has the trompil, need not carry out die-cut trompil to the polaroid after shaping, in polaroid and apron laminating in-process, also need not utilize OCA optical cement to fill the trompil department of polaroid, reduce the process, the problem of the easy bubble that appears in the trompil position unevenness and the filling in-process of polaroid has been avoided, the laminating of being convenient for, improve the laminating effect of polaroid and apron, the laminating yield is.
according to different use requirements, one side of the polarizer is coated with pressure-sensitive adhesive (PSA) with a certain thickness, a release film for protecting the PSA can be compounded, and film layers (such as a protective film, a release film and the like) with different action types can be compounded on the other side of the polarizer according to product types and requirements to form a polarizer finished product.
in an embodiment of the present invention, as shown in fig. 3 and 4, the polarizer may further include a transparent adhesive layer 40, a release film 50 and a second protective film 60, wherein the transparent adhesive layer 40 is a transparent material layer, the transparent adhesive layer 40 may be disposed on the first protective film 20 on one side of the polarizing film 10, the release film 50 may be disposed on one side of the transparent adhesive layer 40 away from the polarizing film 10, the release film 50 may protect the transparent adhesive layer 40, the second protective film 60 may be disposed on the first protective film 20 on the other side of the polarizing film 10, and the second protective film 60 may protect the polarizing film 10 from external force.
In some embodiments of the present invention, as shown in fig. 3 and 4, a transparent adhesive layer 40 may be disposed on the first protective film 20 on at least one side of the polarizing film 10, and the transparent adhesive layer 40 may be a pressure sensitive adhesive with good transparency, for example, the transparent adhesive layer 40 may be disposed on the first protective film 20 on one side of the polarizing film 10, and the second protective film 60 may be disposed on the first protective film 20 on the other side of the polarizing film 10, so that the polarizing film 10 is protected from external force by the second protective film 60. One side of keeping away from polarizing film 10 on transparent adhesive layer 40 can be equipped with from type membrane 50, can be for polyethylene terephthalate (PET) membrane from type membrane 50, and PET membrane intensity is high, non-deformable, and the transparency is good, and surface flatness is high, and before the polaroid laminating LCD (liquid crystal Display), can protect the pressure sensitive adhesive layer not damaged, avoid producing the laminating bubble.
In other embodiments of the present invention, the side of the transparent adhesive layer 40 away from the first protective film 20 may be provided with a reflective film. A retardation film may be disposed on the side of the transparent adhesive layer 40 away from the first protection film 20, and a release film 50 may be disposed on the side of the retardation film away from the first protection film through an adhesive layer.
in the embodiment of the invention, the polarizing film in the light-transmitting area 11 can be transparent, no opening is needed, and the opening of the polarizer is not needed to be filled by using OCA (optically clear adhesive), so that the working procedures are reduced, and the problems of uneven opening position of the polarizer and easy occurrence of bubbles in the filling process are solved. Or, light transmission zone 11 is for can the fretwork district, can set light transmission zone 11 to the through-hole form, set up first protection film 20 respectively in polarizing film 10's both sides, though light transmission zone 11 is the fretwork district, can seal the fretwork district through setting up first protection film 20 in polarizing film 10's both sides, the position that corresponds with the fretwork district on the polaroid does not run through, in polaroid and apron laminating process, need not utilize OCA optical cement to fill the trompil department of polaroid, the problem of the easy bubble that appears in trompil position unevenness and the filling process of polaroid has been avoided.
an embodiment of the present invention further provides a display module, as shown in fig. 3 and fig. 4, the display module includes a display panel 70 and a polarizer in the foregoing embodiment, wherein the display panel 70 is provided with an opening 71, the polarizer is disposed on the display panel 70, the polarizer may be disposed on one side of the display panel 70, and the light-transmitting area 11 on the polarizer corresponds to the opening 71 on the display panel 70. Because the light-transmitting area 11 corresponding to the position of the opening of the display panel 70 is arranged on the polarizing film, when the polarizer with the light-transmitting area is applied to the display panel with the opening, punching and opening of the formed polarizer are not needed, and the laminating yield of the polarizer, the display and the display panel is improved.
In some embodiments of the present invention, as shown in fig. 3 and 4, the display module may further include a cover plate 30, the cover plate 30 may be disposed on a side of the polarizer away from the display panel 70, one side of the cover plate 30 and one side of the polarizer may be bonded by an OCA optical adhesive (such as polyurethane, silicone rubber, acrylic resin, unsaturated polyester, or epoxy resin) layer 32, when the polarizer with a light transmission region is applied to the display panel with an opening, it is not necessary to cut and open the opening of the formed polarizer, during the process of bonding the polarizer and the cover plate, it is not necessary to fill the opening of the polarizer with the OCA optical adhesive, a thinner OCA optical adhesive layer may be used when the cover plate 30 and the polarizer are bonded with the OCA optical adhesive, so as to reduce the process steps, avoid the problem that the opening position of the polarizer is not flat and bubbles are likely to occur during the filling process, the laminating effect of polaroid and apron is improved.
the embodiment of the invention also provides a terminal, which comprises the display component in the embodiment, and the terminal with the display component in the embodiment can improve the assembly quality of the terminal and the yield.
the embodiment of the invention also provides a preparation method of the polaroid, the polaroid can be applied to a display panel with an opening, and the preparation method of the polaroid can comprise the following steps:
forming a polarizing film 10, and arranging a light-transmitting area 11 on the polarizing film 10, wherein the light-transmitting area 11 can correspond to the position of the opening; first protection films 20 may be respectively formed at both sides of the polarizing film 10. The polarizer prepared by the method can firstly arrange the light transmission area 11 corresponding to the position of the opening of the display panel on the polarizing film 10, then the first protective films 20 are respectively formed on the two sides of the polarizing film 10 to support and protect the polarizing film 10, when the polarizer is divided into large pieces, the small hole punching is not needed, and one punching process is reduced. When the polaroid prepared by the method is applied to the display panel with the opening, in the laminating process of the polaroid and the cover plate, the OCA optical cement is not required to be used for filling the opening of the polaroid, so that the working procedures are reduced, the problems of uneven opening position of the polaroid and easy occurrence of bubbles in the filling process are avoided, the laminating is convenient, and the laminating effect of the polaroid and the cover plate is improved.
In some embodiments of the present invention, the forming a polarizing film may include:
providing a substrate 12, and shielding the first region 13 on the substrate 12, for example, before dyeing the substrate 12 for forming a polarizing film, as shown in fig. 5a, shielding the first region 13 corresponding to the position of the opening on the substrate 12, wherein the substrate 12 may be a PVA film; dyeing the substrate 12; after dyeing is completed, shielding of the first area 13 is removed to form the polarizing film 10, as shown in fig. 5b, the first area 13 of the polarizing film 10 is transparent to form the light transmission area 11, the first area 13 is shielded in the dyeing process to enable the first area 13 not to be dyed, so that the first area 13 of the polarizing film 10 is transparent to form the light transmission area 11, no opening is needed, in the laminating process of the polarizer and the cover plate, the opening position of the polarizer is not required to be filled with OCA (optical clear adhesive), the working procedures are reduced, the problems that the opening position of the polarizer is not flat and bubbles are easy to appear in the filling process are avoided, the polarizer without opening is completely compatible with the existing laminating process, and the laminating is convenient.
the conventional polarizer process generally includes the following steps: selecting a PVA film material → washing → swelling → dyeing → washing → stretching → color complementing → drying → pasting a TAC film. In combination with the existing process, in the practical application process of the method in the embodiment of the present invention, the first region 13 corresponding to the position of the opening on the substrate 12 may be masked, for example, before swelling, by performing a relative calculation such as a film stretching ratio before dyeing after the PVA film is washed with water, and after dyeing is completed, the masking of the first region 13 is removed, for example, after color compensation is completed, the masking may be removed, and then drying and attaching the TAC film are performed, so that the first region 13 of the polarizing film 10 is transparent to form the light-transmitting region 11.
In other embodiments of the present invention, the forming a polarizing film may include the steps of:
Dyeing the substrate 12 for forming the polarizing film 10; shielding a second area 14 on the base material 12, wherein the second area 14 is an area other than the first area 13 on the base material 12; decolorizing the first area 13 which is not shielded, for example, decolorizing by solvent after exposure and development to form a polarizing film 10, wherein the first area 13 of the polarizing film 10 is transparent to form a light transmission area 11; the occlusion of the second area 14 is removed. That is, the substrate 12 is dyed first, the other regions except the first region 13 on the substrate 12 are shielded, the first region 13 which is not shielded is decolored, so that the first region 13 of the polarizing film 10 is transparent to form the light transmission region 11, the polarizing film 10 with the light transmission region 11 is formed, shielding of the second region 14 is removed, the polarizing film 10 with the light transmission region 11 is prepared by a method of dyeing first and then decoloring the first region, the process is simple, holes are not needed in the preparation process, in the laminating process of the polarizer and the cover plate, the holes of the polarizer are not needed to be filled with optical glue, the problems that the holes of the polarizer are not flat and bubbles are easy to appear in the filling process are avoided, the process is reduced, and the laminating is convenient.
In an embodiment of the present invention, the masking the second region 14 on the substrate 12 may include:
As shown in fig. 6a and 6b, the base material 12 for forming the polarizing film 10 is dyed, and a dyed layer 15 may be formed on the base material 12 after dyeing; forming a light-shielding film 16 on the dyed substrate 12, that is, forming the light-shielding film 16 on the dyed layer 15; the light shielding film 16 is exposed and developed, as shown in fig. 6b to 6c, the first region 13 on the substrate 12 may be exposed and developed, after the exposure and development, the color particles in the exposed region may be removed by a solvent (such as ethanol) to form a light shielding pattern, and the light shielding pattern shields the second region 14 of the substrate 12, as shown in fig. 6d, the first region 13 which is not shielded is decolored to form the light transmitting region 11.
in the practical application process, after the color of the PVA is complemented, the position corresponding to the opening is shielded by calculation, and the dyed color particles are removed by using a solution (such as an ethanol solution) at the position which is not shielded, so as to realize transparency, for example, the method can be performed through the following steps: dyeing the base material → exposing → developing → removing the color grains with the solution → demoulding, and the exposed position shows transparency because the color grains are removed with the solution after demoulding.
in some embodiments of the present invention, the forming a polarizing film may include: before the first protective films 20 are formed on both sides of the polarizing film 10, a hollow area is formed on the polarizing film 10, and the hollow area may correspond to a position of an opening on the display panel. Before the first protection films 20 are formed on the two sides of the polarizing film 10, the hollowed-out area is formed on the polarizing film 10, and then the first protection film 20 is formed, so that the hollowed-out area can be sealed by the first protection film 20, so that the position on the polarizing film corresponding to the hollowed-out area is not penetrated, and the processing is facilitated. In the laminating process of the polaroid and the cover plate, the optical glue is not needed to be used for filling the opening position of the polaroid, the problems of uneven opening position of the polaroid and easy occurrence of bubbles in the filling process are avoided, and the working procedures are reduced.
unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another.
while the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (11)
1. A polarizer, comprising:
a polarizing film having a light transmitting region thereon;
And the first protective films are respectively arranged on two sides of the polarizing film.
2. The polarizer according to claim 1, wherein the polarizing film of the light transmission region is transparent; or the light-transmitting area is a hollow-out area.
3. The polarizer of claim 1, further comprising:
A transparent adhesive layer provided on the first protective film on one side of the polarizing film;
a release film provided on the side of the transparent adhesive layer away from the polarizing film;
And a second protective film disposed on the first protective film on the other side of the polarizing film.
4. a display assembly, comprising:
The display panel is provided with an opening;
the polarizer of any of claims 1 to 3 disposed on the display panel.
5. The display assembly of claim 4, further comprising:
the cover plate is arranged on one side of the polaroid, which is far away from the display panel.
6. a terminal, characterized in that it comprises a display assembly according to any one of claims 4-5.
7. A preparation method of a polarizer is characterized by comprising the following steps:
Forming a polarizing film, and arranging a light transmitting area on the polarizing film;
First protective films are respectively formed on both sides of the polarizing film.
8. The production method according to claim 7, wherein the forming a polarizing film comprises:
providing a substrate, and shielding a first area on the substrate;
Dyeing the substrate;
After dyeing is completed, removing the shielding of the first area to form the polarizing film, wherein the first area of the polarizing film is transparent to form the light transmission area.
9. the production method according to claim 7, wherein the forming a polarizing film comprises:
dyeing a substrate for forming the polarizing film;
shielding a second area on the base material, wherein the second area is other areas except the first area on the base material;
Decolorizing the first area which is not shielded to form the polarizing film, wherein the first area of the polarizing film is transparent to form the light transmission area;
Removing the occlusion of the second area.
10. the method of claim 9, wherein masking the second region on the substrate comprises:
dyeing a substrate for forming the polarizing film;
forming a light-shielding film on the dyed substrate;
and exposing and developing the shading film to form a shading pattern, wherein the shading pattern shades a second area of the base material.
11. The production method according to claim 7, wherein the forming a polarizing film comprises:
before the first protective films are formed on both sides of the polarizing film, a hollow area is formed on the polarizing film.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802452.4A CN110568542A (en) | 2019-08-28 | 2019-08-28 | polaroid, preparation method, display assembly and terminal |
| PCT/CN2020/107767 WO2021036743A1 (en) | 2019-08-28 | 2020-08-07 | Polarizer and fabrication method, and display assembly and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802452.4A CN110568542A (en) | 2019-08-28 | 2019-08-28 | polaroid, preparation method, display assembly and terminal |
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| CN110568542A true CN110568542A (en) | 2019-12-13 |
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| CN201910802452.4A Pending CN110568542A (en) | 2019-08-28 | 2019-08-28 | polaroid, preparation method, display assembly and terminal |
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| WO (1) | WO2021036743A1 (en) |
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| JP2020024240A (en) * | 2018-08-06 | 2020-02-13 | 日東電工株式会社 | Method for manufacturing polarizer |
| CN111610589A (en) * | 2020-06-28 | 2020-09-01 | 上海创功通讯技术有限公司 | Manufacturing method of PVA layer, polarizer, display device and mobile terminal |
| CN111830617A (en) * | 2020-01-14 | 2020-10-27 | 云谷（固安）科技有限公司 | Polarizer, preparation method thereof and display device |
| CN111929759A (en) * | 2020-08-14 | 2020-11-13 | Oppo（重庆）智能科技有限公司 | Display screen, polaroid and electronic device |
| WO2021036743A1 (en) * | 2019-08-28 | 2021-03-04 | 维沃移动通信有限公司 | Polarizer and fabrication method, and display assembly and terminal |
| CN113759457A (en) * | 2021-09-24 | 2021-12-07 | 业成科技（成都）有限公司 | Polarizer preparation method, polarizer and display device |
| WO2022193094A1 (en) * | 2021-03-15 | 2022-09-22 | 京东方科技集团股份有限公司 | Manufacturing method for light-mixing plate, light-mixing plate and backlight module |
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| CN110568542A (en) * | 2019-08-28 | 2019-12-13 | 维沃移动通信有限公司 | polaroid, preparation method, display assembly and terminal |
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| JP2020024240A (en) * | 2018-08-06 | 2020-02-13 | 日東電工株式会社 | Method for manufacturing polarizer |
| WO2021036743A1 (en) * | 2019-08-28 | 2021-03-04 | 维沃移动通信有限公司 | Polarizer and fabrication method, and display assembly and terminal |
| CN111830617A (en) * | 2020-01-14 | 2020-10-27 | 云谷（固安）科技有限公司 | Polarizer, preparation method thereof and display device |
| CN111610589A (en) * | 2020-06-28 | 2020-09-01 | 上海创功通讯技术有限公司 | Manufacturing method of PVA layer, polarizer, display device and mobile terminal |
| CN111929759A (en) * | 2020-08-14 | 2020-11-13 | Oppo（重庆）智能科技有限公司 | Display screen, polaroid and electronic device |
| WO2022193094A1 (en) * | 2021-03-15 | 2022-09-22 | 京东方科技集团股份有限公司 | Manufacturing method for light-mixing plate, light-mixing plate and backlight module |
| CN115605806A (en) * | 2021-03-15 | 2023-01-13 | 京东方科技集团股份有限公司（Cn） | Manufacturing method of light mixing plate, light mixing plate and backlight module |
| CN113759457A (en) * | 2021-09-24 | 2021-12-07 | 业成科技（成都）有限公司 | Polarizer preparation method, polarizer and display device |
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| WO2021036743A1 (en) | 2021-03-04 |
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Application publication date: 20191213 |