CN112731580A - Preparation method of polaroid and display module - Google Patents
Preparation method of polaroid and display module Download PDFInfo
- Publication number
- CN112731580A CN112731580A CN202110017835.8A CN202110017835A CN112731580A CN 112731580 A CN112731580 A CN 112731580A CN 202110017835 A CN202110017835 A CN 202110017835A CN 112731580 A CN112731580 A CN 112731580A
- Authority
- CN
- China
- Prior art keywords
- angle
- tear
- tearing
- polarizer
- protective film
- 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
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polarising Elements (AREA)
Abstract
The embodiment of the application discloses a polaroid and a preparation method of a display module, wherein the polaroid comprises a body, a protective film and a release film, wherein at least one tearing angle is defined on the protective film, and a linear groove is arranged in the tearing angle; through set up linear recess in the angle that tears, the peel force of linear recess department is lower, has reduced the peel force at angle that tears.
Description
Technical Field
The application relates to the technical field of polarizer dyestripping, in particular to a polarizer and a display module preparation method.
Background
When preparing display module assembly, need carry out the dyestripping processing to the polaroid before the subsides apron, the dyestripping component of general dyestripping begins the dyestripping from the play tearing angle department of protection film, because of the too big peeling strength of polaroid protection film play tearing angle department, tears the display panel together and drops or the anti-type phenomenon appears when leading to the dyestripping, the inventor of this application discovers, through setting up linear recess in play tearing angle department, can reduce the peeling strength that polaroid protection film played tearing angle department.
Therefore, the technical problem that the peeling force of the protective film is too large exists in the preparation process of the existing display module.
Disclosure of Invention
The embodiment of the application provides a polaroid and a display module preparation method, and can solve the technical problem that the stripping force of a protective film is too large in the existing display module preparation process.
The embodiment of the application provides a polarizer, including:
the body is used for realizing light polarization;
the protective film is arranged on one side of the body and used for protecting the body;
the release film is arranged on the other opposite side of the body;
at least one tearing angle is defined on the protective film, and a linear groove is arranged in the tearing angle.
Optionally, in some embodiments of the present application, the depth of the linear groove is less than or equal to the film layer thickness of the tear initiation angle.
Optionally, in some embodiments of the present application, the linear grooves are in an axisymmetric or rotationally symmetric pattern.
Optionally, in some embodiments of the present application, the linear groove is in a dotted line or a solid line.
Optionally, in some embodiments of the present application, the linear groove includes at least one end point, and the end point is located at an edge of the tear initiation angle or coincides with a corner point of the tear initiation angle.
Optionally, in some embodiments of the present application, the linear groove is located in a middle region of the tear initiation angle, and the linear groove is not coincident with an edge of the tear initiation angle.
Optionally, in some embodiments of the present application, any two adjacent corners or opposite corners of the protective film are defined as the tear-off corners, and the linear grooves having the same shape and size are disposed in both of the tear-off corners.
Optionally, in some embodiments of the present application, at least two linear grooves are disposed in one tearing angle, and an arrangement direction of the at least two linear grooves is identical to or perpendicular to a tearing direction of the tearing angle.
The embodiment of the application provides a preparation method of a display module, which comprises the following steps:
providing a back plate;
sequentially preparing a display module and a polaroid on the back plate, wherein the polaroid comprises a body and a protective film arranged above the body, and the protective film comprises at least one tearing angle for tearing the protective film;
forming at least one linear groove by processing the tearing angle through patterning cutting;
and providing a cover plate, and bonding the cover plate and the polaroid by using optical cement to obtain the finished product display module.
Optionally, in some embodiments of the present application, the step of forming at least one linear groove further includes:
and processing the tear-off angle on the polaroid by using a yellow light process to form the linear groove, and then attaching the polaroid to a display panel to form the display module, or attaching the polaroid to the display panel firstly, and then processing the polaroid by using a yellow light process to form the linear groove.
The polaroid provided by the embodiment of the application comprises a body, a protective film and a release film, wherein the body comprises an upper surface and a lower surface, the protective film is arranged on one side of the body, the release film is arranged on the opposite side of the body, at least one tearing angle is defined on the protective film, and a linear groove is formed in the tearing angle; through set up linear recess in the angle of tearing play, the peeling force of linear recess is lower, has reduced the peeling force who plays the angle of tearing, alleviates the too big technical problem of peeling force that has the protection film to play the angle of tearing in the current display module preparation process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is an exploded view of a polarizer provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a first top view of a polarizer provided in an embodiment of the present disclosure;
FIG. 3A is a second schematic top view of a polarizer according to an embodiment of the present disclosure;
FIG. 3B is a schematic top view of a polarizer according to an embodiment of the present disclosure;
FIG. 3C is a fourth schematic top view of a polarizer according to an embodiment of the present disclosure;
FIG. 3D is a schematic top view of a polarizer according to an embodiment of the present disclosure;
FIG. 3E is a sixth schematic top view of a polarizer according to an embodiment of the present disclosure;
FIG. 3F is a schematic top view of a polarizer according to an embodiment of the present disclosure;
FIG. 3G is an eighth schematic top view of a polarizer according to an embodiment of the present disclosure;
FIG. 3H is a ninth schematic top view of a polarizer according to an embodiment of the present disclosure;
FIG. 4 is a tenth schematic top view of a polarizer provided in the embodiments of the present application;
FIG. 5 is an eleventh schematic top view of a polarizer provided in an embodiment of the present application;
fig. 6 is a schematic view of a display module according to an embodiment of the present disclosure;
fig. 7 is a schematic flow chart illustrating a manufacturing method of a display module according to an embodiment of the present disclosure.
Description of reference numerals:
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
The embodiment of the application provides a polarizer. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
As shown in fig. 1, the polarizer 10 provided in the embodiment of the present application includes a body 101, a protective film 102, and a release film 103, wherein the protective film 102 is disposed on one side of the body 101, and the release film 103 is disposed on the opposite side of the body 101, wherein at least one tearing angle 201 is defined on the protective film 102, and a linear groove 301 is disposed in the tearing angle 201.
In this embodiment, the polarizer 10 includes a body 101, a protective film 102, and a release film 103, wherein the protective film 102 is disposed on one side of the body 101, and the release film 103 is disposed on the opposite side of the body 101, wherein at least one tearing angle 201 is defined on the protective film 102, and a linear groove 301 is disposed in the tearing angle 201; through set up linear recess 301 in tear starting angle 201 department, can reduce when tearing, tear starting angle 201's peel strength alleviates and has the too big technical problem of protection film 102 peel strength in the current display module assembly 1 preparation process.
Fig. 2, 3A to 3H, 5 and 6 are plan views of the polarizer, which are taken from the protective film side.
When the polarizer 10 is attached to the display panel 30, before a cover plate is attached to the upper side of the polarizer 10, the protective film 102 of the polarizer 10 needs to be torn off by a tearing member, and the tear starting angle 201 of the polarizer 10 is a tearing starting position where the tearing member tears off the protective film 102, and is usually a certain angle of the protective film 102.
The peeling force at the starting tearing angle 201 is smaller than that of other areas of the protection film 102, but when the existing protection film 102 is torn off, the technical problem that the lower display panel 30 is torn off together due to the fact that the peeling force at the starting tearing angle 201 is large exists, and the linear groove 301 is arranged at the starting tearing angle 201, so that the peeling force at the linear groove 301 is lower, and therefore the peeling force of the whole starting tearing angle 201 is reduced.
The linear groove 301 may be formed by a cutting process, and the formed cutting line may be a continuous line or an equally spaced line.
As shown in fig. 1, in the enlarged view of the body 101 and the protective film 102 in the region of the tear starting angle 201, the depth of the linear groove 301 should be equal to or less than the thickness of the protective film 102, and the depth of the linear groove 301 is illustrated as equal to the thickness of the protective film 102.
Wherein the peeling force is the resistance to be overcome by tearing the tearing angle 201 by the film tearing member.
In one embodiment, any tear initiation corner 201 of the protective film 102 is provided with the linear groove 301.
In this embodiment, the tear initiation corner 201 may be selected as a region near an intersection point of any two sides, and by providing a linear groove 301 at any tear initiation corner 201, when the film tearing member tears off the protective film 102, the film can be torn from any direction by selecting one of the tear initiation corners 201.
In one embodiment, the tear initiation angle 201 may be selected according to specific process requirements when the protective film 102 is removed.
In this embodiment, it is only necessary to form the linear groove 301 at a specific tearing-start corner 201, and in the subsequent film tearing process, the protective film 102 is selected to be torn from the tearing-start corner 201.
In one embodiment, the depth of the linear groove 301 is less than or equal to the film layer thickness of the tear initiation corner 201.
The depth of the linear groove 301 is smaller than the thickness of the tear starting angle 201, so that the peeling force at the linear groove 301 can be effectively reduced, and the cutting damage to the body 101 of the polarizer 10 below the protective film 102 during cutting processing can be prevented, so that the polarizer 10 is abnormal.
When the depth of the linear groove 301 is equal to the thickness of the tear starting angle 201, the process condition is satisfied that the body 101 of the polarizer 10 below is not cut.
Wherein the thickness of the tear initiation angle 201 is uniformly set.
In this embodiment, for convenience of description, the thickness of the tear initiation angle 201 is uniformly set, and if the thickness of the tear initiation angle 201 is not uniform, the depth of the linear groove 301 needs to be less than or equal to the thickness of the tear initiation angle 201 at the position where the linear groove 301 is set,
in one embodiment, as shown in fig. 2, the tear initiation corner 201 includes a middle region 2002, at least two tear initiation edges 2001 disposed half-way around the middle region 2002, and corner points formed by the intersection of the tear initiation edges 2001.
In one embodiment, the linear groove 301 includes at least one end point located at an edge of the tear initiation corner 201 or coinciding with a corner point of the tear initiation corner 201.
Wherein the edge of the tear initiation corner 201 is a tear initiation edge 2001.
Wherein the linear groove 301 divides the tear initiation angle 201 into two parts, and the peel force of the tear initiation angle 201 is lower at the linear groove 301.
The two portions of the starting tearing angle 201 can both apply a starting tearing force, and the starting tearing force only needs to overcome the peeling force of one portion of the starting tearing angle 201, and it can be understood that one starting tearing angle 201 is divided into two portions, and the peeling force of any one portion is smaller than the peeling force required for peeling the original starting tearing angle 201.
In one embodiment, the linear groove 301 may also be overlapped with the tear-off edge 2001.
In one embodiment, as shown in fig. 3A to 3H, the tear initiation corner 201 includes a middle region 2002, at least two tear initiation edges 2001 disposed half-way around the middle region 2002, and corner points formed by intersecting the tear initiation edges 2001, the linear groove 301 is located in the middle region 2002 of the tear initiation corner 201, and the linear groove 301 is not overlapped with the tear initiation edges 2001.
The tear initiation angle 201 includes a symmetric center line 3001, the symmetric center line 3001 is consistent with a tear direction of the tear initiation angle 201, and the tear direction of the tear initiation angle 201 is selectable in a tear process.
The shape of the linear groove 301 may be V-shaped, U-shaped, S-shaped, M-shaped, or Y-shaped.
In one embodiment, as shown in fig. 3A, 3C, 3D, and 3H, the linear groove 301 may be V-shaped.
The included angle of the V-shaped linear groove 301 may be an acute angle or a right angle.
The included angle of the V-shaped linear groove 301 may also be an obtuse angle.
As shown in fig. 3D and 3H, the orientation of the included angle end of the V-shaped linear groove 301 may be consistent with the tearing direction of the tear initiation angle 201.
As shown in fig. 3A and 3C, the included angle end of the V-shaped linear groove 301 may be oriented in the opposite direction to the tearing direction of the tear initiation angle 201.
In the present embodiment, the V-shaped linear groove 301 is formed as a straight line, and the cutting process is relatively easier than that of a curved line.
In one embodiment, the M-type linear groove 301 shown in FIG. 3E and the Y-type linear groove 301 shown in FIG. 3G are included, which is relatively easy to cut.
In one embodiment, as shown in fig. 3B, the linear groove 301 may also be U-shaped, the U-shape may be a symmetrical figure, and the symmetry axis may be a symmetry center line 3001.
In one embodiment, as shown in fig. 3F, the linear groove 301 may also be S-shaped.
In one embodiment, the linear grooves 301 are symmetrically disposed.
The linear grooves 301 are symmetrically disposed, for example, when the linear grooves 301 are M-shaped, Y-shaped, V-shaped, U-shaped, etc., the linear grooves 301 are symmetrically disposed.
In one embodiment, the linear grooves 301 are in an axisymmetric or rotationally symmetric pattern.
In one embodiment, the linear groove 301 is a dotted line or a solid line.
In one embodiment, as shown in fig. 4, at least two of the tear initiation corners 201 are provided with the linear grooves 301, and the linear grooves 301 have the same shape and size on the adjacent tear initiation corners 201.
In one embodiment, the protective film 102 is rectangular and the protective film 102 includes four tear initiation corners 201.
Wherein two of the tear initiation corners 201 are provided with the linear groove 301.
Wherein two tear initiation corners 201 provided with the linear groove 301 are adjacently arranged.
Wherein two tear initiation angles 201 provided with the linear groove 301 are oppositely arranged.
Wherein three of the tear initiation corners 201 are provided with the linear grooves 301.
Wherein, four tear-off corners 201 are provided with the linear grooves 301.
In this embodiment, the linear grooves 301 at different tear initiation angles 201 have the same shape and size, the preparation process of the linear grooves 301 is more convenient, and only openings with the same interval and the same shape and size need to be arranged on the same mask plate.
In one embodiment, as shown in fig. 5, the tear initiation angle 201 includes at least two linear grooves 301, the linear grooves 301 are arranged at intervals, and the intervals between adjacent linear grooves 301 are equal.
In one embodiment, the linear groove 301 may be symmetrical about a certain symmetry axis.
Wherein the symmetry axis may be a symmetry center line 3001.
In one embodiment, any two adjacent corners or opposite corners of the protective film 102 define the tear initiation corners 201, and the linear grooves 301 with the same shape and size are disposed in both tear initiation corners 201.
In one embodiment, at least two linear grooves 301 are disposed in one tearing start corner 201, and the arrangement direction of at least two linear grooves 301 is the same as or perpendicular to the tearing start direction of the tearing start corner 201.
In one embodiment, the distance between the linear groove 301 and any tearing edge 2001 is 2 mm to 6 mm, and the length of the cross-sectional shape of any linear groove 301 is less than 5 mm.
As shown in fig. 6, the display module 1 provided in the embodiment of the present application includes a back plate 20, a display panel 30, and a polarizer 10, where the polarizer 10 includes a body 101, a protection film 102, and a release film 103, the protection film 102 is disposed on one side of the body 101, the release film 103 is disposed on the opposite side of the body 101, where at least one tearing angle 201 is defined on the protection film 102, and a linear groove 301 is disposed in the tearing angle 201.
In this embodiment, the display module 1 includes a back plate 20, a display panel 30, and a polarizer 10, where the polarizer 10 includes a body 101, a protection film 102, and a release film 103, the protection film 102 is disposed on one side of the body 101, and the release film 103 is disposed on the opposite side of the body 101, where at least one tearing angle 201 is defined on the protection film 102, and a linear groove 301 is disposed in the tearing angle 201; through set up linear recess 301 in tear starting angle 201 department, can reduce when tearing, tear starting angle 201's peel strength alleviates and has the too big technical problem of protection film 102 peel strength in the current display module assembly 1 preparation process.
The display module 1 is a semi-finished display module 1, a protective film 102 is arranged above a polarizer 10 of the semi-finished display module 1, in a subsequent process, the protective film 102 is torn off from a tear starting angle 201 by a film tearing component, and then a cover plate is provided and attached to the upper surface of the polarizer 10, so that the finished display module 1 is formed.
The application protects a semi-manufactured goods display module assembly 1, semi-manufactured goods display module assembly 1 is after the laminating process of polaroid 10, at a structural state before protective film 102 tears off, semi-manufactured goods display module assembly 1 this moment the protective layer includes linear recess 301.
The semi-finished display module 1 may be in a mother board state before cutting, that is, the display module 1 is formed by attaching the polarizer 10 to each display panel 30 above the display mother board.
As shown in fig. 7, the method for manufacturing the display module 1 according to the embodiment of the present application includes:
s1, providing a backboard 20;
s2, sequentially preparing a display module 1 and a polarizer 10 on the back plate 20, wherein the polarizer 10 comprises a body 101 and a protective film 102 arranged on the upper surface of the body 101, and the protective film 102 comprises at least one tearing starting angle 201 for tearing the protective film 102;
s3, forming at least one linear groove 301 by processing the tearing angle 201 through patterned cutting;
s4, tearing off the protective film 102 by a film tearing component from the tearing corner 201 formed with the linear groove 301;
and S5, providing a cover plate, and bonding the cover plate and the polarizer 10 by using optical cement to obtain the finished product display module 1.
In one embodiment, the step of forming at least one linear groove 301 further comprises: and processing the tearing angle 201 on the polarizer 10 by using a yellow light process to form the linear groove 301, and then attaching the polarizer 10 to the display panel 30 to form the display module 1, or attaching the polarizer 10 to the display panel 30, and then processing the polarizer 10 by using a yellow light process to form the linear groove 301.
The protective film 102 of the polarizer 10 may be processed and then attached to the display panel 30.
The polarizer 10 may be attached to the display panel 30, the linear groove 301 may be formed on the tear starting angle 201 of the protective film 102, and the linear groove 301 may be formed in a synchronous process for the polarizer 10 on the entire display mother board after the polarizer 10 is attached.
The polarizer provided by the embodiment comprises a body, a protective film and a release film, wherein the protective film is arranged on one side of the body, the release film is arranged on the opposite side of the body, at least one tearing angle is defined on the protective film, and a linear groove is formed in the tearing angle; through it sets up linear recess to play tear angle department, can reduce when playing to tear the peeling strength at angle alleviates and has the too big technical problem of protection film peeling strength in the current display module assembly preparation process.
The above detailed descriptions of the polarizer and the display module manufacturing method provided in the embodiments of the present application, and the specific examples are applied herein to explain the principle and the implementation of the present application, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A polarizer, comprising:
the body is used for realizing light polarization;
the protective film is arranged on one side of the body and used for protecting the body;
the release film is arranged on the other opposite side of the body;
at least one tearing angle is defined on the protective film, and a linear groove is arranged in the tearing angle.
2. The polarizer of claim 1 wherein the depth of the linear grooves is less than or equal to the thickness of the film layer at the tear angle.
3. The polarizer of claim 2 wherein the linear grooves are in an axisymmetric or rotationally symmetric pattern.
4. The polarizer according to claim 2, wherein the linear shape of the linear grooves is a dot-broken type or a solid type.
5. The polarizer of claim 3 or 4 wherein the linear grooves comprise at least one end point located at an edge of the tear corner or coinciding with a corner point of the tear corner.
6. The polarizer of claim 3 or 4 wherein the linear groove is located in a middle region of the tear angle, the linear groove being non-coincident with an edge of the tear angle.
7. The polarizer according to claim 1, wherein any two adjacent corners or opposite corners of said protective film are defined as said tear-off corners, and said linear grooves having the same shape and size are provided in both of said tear-off corners.
8. The polarizer of claim 1, wherein at least two of said linear grooves are disposed in one of said tear angles, and wherein at least two of said linear grooves are aligned in a direction that is either coincident with or perpendicular to the tear direction of said tear angle.
9. A preparation method of a display module is characterized by comprising the following steps:
providing a back plate;
sequentially preparing a display module and a polaroid on the back plate, wherein the polaroid comprises a body and a protective film arranged above the body, and the protective film comprises at least one tearing angle for tearing the protective film;
forming at least one linear groove by processing the tearing angle through patterning cutting;
tearing off the protective film by using a film tearing member from the tearing angle formed with the linear groove;
and providing a cover plate, and bonding the cover plate and the polaroid by using optical cement to obtain the finished product display module.
10. The method of claim 9, wherein the step of forming at least one linear groove further comprises:
and processing the tear-off angle on the polaroid by using a yellow light process to form the linear groove, and then attaching the polaroid to a display panel to form the display module, or attaching the polaroid to the display panel firstly, and then processing the polaroid by using a yellow light process to form the linear groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110017835.8A CN112731580A (en) | 2021-01-07 | 2021-01-07 | Preparation method of polaroid and display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110017835.8A CN112731580A (en) | 2021-01-07 | 2021-01-07 | Preparation method of polaroid and display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112731580A true CN112731580A (en) | 2021-04-30 |
Family
ID=75591054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110017835.8A Pending CN112731580A (en) | 2021-01-07 | 2021-01-07 | Preparation method of polaroid and display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112731580A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113608290A (en) * | 2021-07-30 | 2021-11-05 | 京东方科技集团股份有限公司 | Polarizer assembly, film tearing method thereof and preparation method of display module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454972A (en) * | 2018-11-29 | 2019-03-12 | 武汉华星光电技术有限公司 | Polarizing plate protective film and its tear-off method |
| CN209568038U (en) * | 2018-11-01 | 2019-11-01 | 南昌欧菲显示科技有限公司 | A kind of protective film and touch panel unit |
| CN209842285U (en) * | 2019-04-12 | 2019-12-24 | 惠科股份有限公司 | Release film of display panel polarizer and display panel polarizer |
-
2021
- 2021-01-07 CN CN202110017835.8A patent/CN112731580A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209568038U (en) * | 2018-11-01 | 2019-11-01 | 南昌欧菲显示科技有限公司 | A kind of protective film and touch panel unit |
| CN109454972A (en) * | 2018-11-29 | 2019-03-12 | 武汉华星光电技术有限公司 | Polarizing plate protective film and its tear-off method |
| CN209842285U (en) * | 2019-04-12 | 2019-12-24 | 惠科股份有限公司 | Release film of display panel polarizer and display panel polarizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113608290A (en) * | 2021-07-30 | 2021-11-05 | 京东方科技集团股份有限公司 | Polarizer assembly, film tearing method thereof and preparation method of display module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5418691A (en) | Two printed circuit boards superiposed on one another both having position registry marks | |
| US5974730A (en) | Flower sleeves and manufacturing methods therefor | |
| FI79056C (en) | LAMINATDEL MED TAECKSKIKT OCH AVDRAGSHJAELPANORDNING FOER AVDRAGNING AV TAECKSKIKTET. | |
| CN112731580A (en) | Preparation method of polaroid and display module | |
| JP6646074B2 (en) | Processing method of laminated material | |
| GB2182703A (en) | Improvements relating to structural sandwich sheet material comprising two face sheets and two core sheets | |
| JP2017189785A (en) | Punching method and punching device of ribbon laminate material | |
| JP3681801B2 (en) | Photo film punch | |
| KR101397878B1 (en) | Large size resin relief printing plate manufacturing method and large size resin relief printing plate made thereby | |
| JP2003326869A (en) | Combination mask, manufacturing method thereof and printing method using the same | |
| JPH02260598A (en) | Manufacture of three-dimensional wiring board | |
| WO2020246160A1 (en) | Protective film for display and method for aligning position of same | |
| JP2588164Y2 (en) | Package with castellation | |
| US10492292B2 (en) | Optical circuit board sheet and opto-electric hybrid board sheet including same | |
| TWI382802B (en) | Mixed multi - layer circuit substrate and manufacturing method thereof | |
| JP2007157880A (en) | Manufacturing method for ceramic plate board | |
| JPH0666392B2 (en) | Method for manufacturing semiconductor device | |
| JP2002045928A (en) | Nonskid plate and its manufacturing method | |
| JPH03211784A (en) | Printed board | |
| JP3187415B2 (en) | Punching method for brittle materials | |
| JP2001018549A (en) | Combination mask | |
| US7332208B2 (en) | Card | |
| CN115035814A (en) | Support assembly, display module and preparation method thereof | |
| JPH07211849A (en) | Lead frame | |
| JPH01114094A (en) | Printed board |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210430 |
|
| RJ01 | Rejection of invention patent application after publication |