CN114035358B - Display module, manufacturing method thereof and display device - Google Patents
Display module, manufacturing method thereof and display device Download PDFInfo
- Publication number
- CN114035358B CN114035358B CN202111449941.XA CN202111449941A CN114035358B CN 114035358 B CN114035358 B CN 114035358B CN 202111449941 A CN202111449941 A CN 202111449941A CN 114035358 B CN114035358 B CN 114035358B
- Authority
- CN
- China
- Prior art keywords
- display panel
- hole
- shading
- plane
- light shielding
- 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.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
Abstract
The invention discloses a display module, a manufacturing method thereof and a display device, and relates to the technical field of display, wherein the manufacturing method of the display module comprises the following steps: providing a display panel; providing a plectrum structure, wherein the plectrum structure comprises a plectrum; providing a shading tape, wherein the shading tape comprises a first shading part and a second shading part which are connected; providing a backlight module, wherein the backlight module comprises a first through hole; aligning and attaching the backlight module and the display panel, and positioning the first shading part between the backlight module and the display panel along the direction vertical to the plane of the display panel, wherein the vertical projection of the second shading part on the plane of the display panel is positioned in the vertical projection of the first through hole on the plane of the display panel; the plectrum is taken out from the first through-hole, and when the plectrum removes, the outward flange of plectrum makes the second shading portion laminate mutually with the inner wall of first through-hole. The invention effectively solves the problem of difficult assembly of the shading adhesive tape in the prior art.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display module, a manufacturing method thereof and a display device.
Background
Currently, in order to achieve frame narrowing of a display device, many display terminals employ a display area hole-opening technology, however, the display area hole-opening technology has a problem of light leakage. Specifically, light emitted from the display area of the display panel is reflected for several times in each laminated structure and then emitted from the side wall of the open hole area, or reflected between the side wall of the open hole area and the camera module for several times, and finally reaches human eyes through the ink hole of the transparent cover plate, so that the light leakage phenomenon of the open hole of the display area is formed.
Therefore, in order to prevent the light leakage phenomenon of the opening of the display area, the edge covering attachment can be performed at the opening by adopting the shading adhesive tape, so that the frame narrowing of the opening area is facilitated while the light leakage phenomenon of the opening of the display area is solved. However, the assembly difficulty of the shading tape is high, particularly the attaching difficulty of the shading tape and the side wall of the hole area is high, and the situation that the shading tape is not firmly attached easily occurs.
Disclosure of Invention
In view of this, the invention provides a display module, a manufacturing method thereof and a display device, which effectively solve the problem of difficult assembly of a shading adhesive tape in the prior art.
The invention provides a manufacturing method of a display module, which comprises the following steps: providing a display panel; providing a plectrum structure, wherein the plectrum structure comprises a plectrum, and the plectrum is attached to the backlight side of the display panel; providing a shading adhesive tape, wherein the shading adhesive tape is of an annular structure and comprises a first shading part and a second shading part which are connected, the first shading part is attached to the backlight side of the display panel, and the second shading part is positioned on one side of the poking piece, which is away from the display panel; providing a backlight module, wherein the backlight module comprises a first through hole, and the first through hole penetrates through the backlight module along the direction perpendicular to the plane of the backlight module; the backlight module is aligned and attached to the display panel, the first shading part is positioned between the backlight module and the display panel along the direction vertical to the plane of the display panel, the vertical projection of the second shading part on the plane of the display panel is positioned in the vertical projection of the first through hole on the plane of the display panel, and the vertical projection of the plectrum on the plane of the display panel is at least partially overlapped with the vertical projection of the first through hole on the plane of the display panel; the plectrum is taken out from the first through-hole, and when the plectrum removes, the outward flange of plectrum makes the second shading portion laminate mutually with the inner wall of first through-hole.
Based on the same thought, the invention also provides a display module, which is manufactured by adopting the manufacturing method of the display module.
Based on the same thought, the invention also provides a display device which comprises the display panel.
Compared with the prior art, the display module, the manufacturing method and the display device provided by the invention have the advantages that at least the following beneficial effects are realized:
the display module manufactured by the manufacturing method of the display module provided by the invention can realize that the first shading part in the shading adhesive tape is attached to one side of the backlight module close to the display panel, the second shading part is attached to the inner wall of the first through hole of the backlight module, and the shading adhesive tape effectively shields light emitted from the backlight module and entering the area corresponding to the first through hole in the display module, so that the phenomenon of light leakage in the area corresponding to the first through hole in the display module is solved. By adopting the manufacturing method of the display module provided by the invention, the second shading part in the shading adhesive tape can be reliably attached to the inner wall of the first through hole of the backlight module through the poking sheet in the poking sheet structure, the problem that the second shading part in the shading adhesive tape is not firmly attached to the inner wall of the first through hole is avoided, the assembly process of the shading adhesive tape is simple and feasible, the process difficulty is effectively reduced, and meanwhile, the poking sheet structure can be reused, and the production cost is effectively reduced.
Of course, it is not necessary for any one product to practice the invention to achieve all of the technical effects described above at the same time.
Other features of the present invention and its advantages will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a flow chart of a method for manufacturing a display module according to the present invention;
FIG. 2 is a schematic diagram of a manufacturing process of the display module manufacturing method according to the present invention;
FIG. 3 is a schematic plan view of a masking tape prior to assembly;
FIG. 4 is a schematic diagram illustrating another manufacturing process of the display module manufacturing method according to the present invention;
FIG. 5 is a schematic diagram illustrating a manufacturing process of a display module manufacturing method according to the present invention;
FIG. 6 is a schematic diagram illustrating a manufacturing process of a display module manufacturing method according to the present invention;
FIG. 7 is a schematic diagram of a display module corresponding to the method of fabricating the display module of FIG. 1;
FIG. 8 is a schematic diagram illustrating a manufacturing process of a display module manufacturing method according to the present invention;
FIG. 9 is a schematic diagram illustrating a manufacturing process of a display module manufacturing method according to the present invention;
FIG. 10 is an enlarged schematic view of portion A of FIG. 8;
FIG. 11 is a schematic plan view of another masking tape prior to assembly;
FIG. 12 is a schematic view of the assembled masking tape of FIG. 11;
FIG. 13 is a schematic plan view of yet another masking tape provided by the present invention prior to assembly;
FIG. 14 is a schematic view of the assembled masking tape of FIG. 13;
FIG. 15 is a schematic view of the assembled masking tape of FIG. 3;
FIG. 16 is a schematic plan view of a polarizer according to the present invention;
FIG. 17 is a schematic plan view of another polarizer according to the present invention;
fig. 18 is a schematic plan view of a display device according to the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Fig. 1 is a flowchart of a manufacturing method of a display module according to the present invention, and fig. 2, fig. 4 to fig. 6 are schematic diagrams of manufacturing processes of the manufacturing method of a display module according to the present invention, and referring to fig. 1, fig. 2 and fig. 4 to fig. 6, the embodiment provides a manufacturing method of a display module, including:
s1, providing a display panel.
S2, providing a plectrum structure, wherein the plectrum structure comprises a plectrum, and the plectrum is attached to the backlight side of the display panel.
Referring to fig. 2, in the embodiment, the display panel 100 includes an array substrate 110, a color film substrate 120, and a liquid crystal layer 130 disposed between the array substrate 110 and the color film substrate 120, and the display panel 100 further includes a polarizer 140 and a cover plate 150, and of course, other structures in the liquid crystal display panel may be further included in the display panel 100, which is not described herein in detail. It should be noted that, when the camera and/or the optical sensor are/is placed at the position of the blind hole, in order to avoid the influence of the polarizer on the photosensing of the camera and/or the optical sensor, in this embodiment, the two polarizer layers 140 are provided with through holes corresponding to the position of the blind hole. In the paddle structure 200, the paddle 210 is attached to the backlight side of the display panel 100, and the paddle 210 is attached to the area of the display panel 100 corresponding to the blind hole.
S3, providing a shading adhesive tape, wherein the shading adhesive tape is of an annular structure, the shading adhesive tape comprises a first shading part and a second shading part which are connected, the first shading part is attached to the backlight side of the display panel, and the second shading part is positioned on one side of the poking piece, which is away from the display panel.
Referring to fig. 3, fig. 3 is a schematic plan view of a light shielding tape before assembly, and the light shielding tape 300 provided in the embodiment has a ring-shaped structure.
Referring to fig. 4, the first light shielding portion 310 of the light shielding tape 300 is attached to the backlight side of the display panel 100, and the second light shielding portion 320 of the light shielding tape 300 is located at a side of the bezel 210 facing away from the display panel 100.
It should be noted that, the light shielding tape 300 is an integrally formed structure, the portion of the light shielding tape 300 attached to the backlight side of the display panel 100 is the first light shielding portion 310, the portion of the light shielding tape 300 located on the side of the dial 210 facing away from the display panel 100 is the second light shielding portion 320, and the naming of the first light shielding portion 310 and the second light shielding portion 320 in the light shielding tape 300 is only for convenience in describing different areas in the light shielding tape 300, and the size and shape of the first light shielding portion 310 and the second light shielding portion 320 in the light shielding tape 300 are not limited in this application.
S4, providing a backlight module, wherein the backlight module comprises a first through hole, and the first through hole penetrates through the backlight module along the direction perpendicular to the plane of the backlight module.
S5, aligning and attaching the backlight module and the display panel, and enabling the first shading part to be located between the backlight module and the display panel along the direction perpendicular to the plane where the display panel is located, enabling the vertical projection of the second shading part on the plane where the display panel is located to be located in the vertical projection of the first through hole on the plane where the display panel is located, and enabling the vertical projection of the poking piece on the plane where the display panel is located to be at least partially overlapped with the vertical projection of the first through hole on the plane where the display panel is located.
Referring to fig. 5, the backlight module 400 in this embodiment includes a back frame 410, and a reflective layer 420, a light guide plate 430 and an optical film 440 sequentially disposed in the back frame 410. Optionally, the optical film 440 includes a diffusion sheet and a prism sheet. It should be noted that fig. 5 only shows a schematic structure of the multilayer optical film, and the structure in the drawing does not represent the actual optical film and the actual dimensions. In other embodiments of the present invention, the backlight module may further include other structures, which are not limited in this embodiment.
It should be noted that, in the embodiment, the specific structure of the backlight module is not limited, the backlight module 400 may be a direct type backlight module or a side type backlight module, and the two types of backlight modules are different in structure only in that the optical film layer and the light source disposed position contained in the back frame are different, and the back frame is identical in position, which is not described in detail in the embodiment. In the following embodiments, only the side-entry backlight module is taken as an example, and the direct-type backlight module can be extended with reference to the side-entry backlight module structure, which is not described in detail in this embodiment.
With continued reference to fig. 5, the backlight module 400 includes a first through hole 450, and the first through hole 450 penetrates the backlight module 400 along a direction perpendicular to a plane of the backlight module 400. A camera and/or an optical sensor may be disposed in the area corresponding to the first through hole 450 in the display module. Optionally, a portion of the inner wall of the first through hole 450 is formed on the surface of the back frame 410 facing the first through hole 450 in the backlight module 400.
After the backlight module 400 and the display panel 100 are aligned and attached, along a direction perpendicular to the plane of the display panel 100, the first light shielding portion 310 is located between the backlight module 400 and the display panel 100, the vertical projection of the second light shielding portion 320 on the plane of the display panel 100 is located in the vertical projection of the first through hole 450 on the plane of the display panel 100, and the vertical projection of the paddle 210 on the plane of the display panel 100 and the vertical projection of the first through hole 450 on the plane of the display panel 100 at least partially overlap.
S6, taking the plectrum out of the first through hole, wherein when the plectrum moves, the outer edge of the plectrum enables the second shading part to be attached to the inner wall of the first through hole.
Referring to fig. 6, the dial 210 is taken out from the first through hole 450 along a direction perpendicular to the plane of the display panel 100, the first light shielding portion 310 of the light shielding tape 300 is located between the backlight module 400 and the display panel 100, the movement of the dial 210 does not affect the first light shielding portion 310, and the first light shielding portion 310 is attached to one side of the backlight module 400 close to the display panel 100. In the masking tape 300, the vertical projection of the second masking portion 320 on the plane of the display panel 100 is located in the vertical projection of the first through hole 450 on the plane of the display panel 100, and when the paddle 210 moves, the outer edge of the paddle 210 makes the second masking portion 320 attach to the inner wall of the first through hole 450, so that the second masking portion 320 attaches to the inner wall of the first through hole 450.
Fig. 7 is a schematic structural diagram of a display module corresponding to the manufacturing method of the display module in fig. 1, referring to fig. 7, the display module manufactured by adopting the manufacturing method of the display module provided by the embodiment can attach the first light shielding portion 310 in the light shielding tape 300 to a side of the backlight module 400 close to the display panel 100, attach the second light shielding portion 320 to an inner wall of the first through hole 450 of the backlight module 400, and effectively shield light emitted from the backlight module 400 and entering an area corresponding to the first through hole 450 in the display module by the light shielding tape 300, thereby solving a light leakage phenomenon occurring in the area corresponding to the first through hole 450 in the display module. By adopting the manufacturing method of the display module provided by the embodiment, the second light shielding part 320 in the light shielding tape 300 is reliably attached to the inner wall of the first through hole 450 of the backlight module 400 through the poking sheet 210 in the poking sheet structure 200, so that the problem that the second light shielding part 320 in the light shielding tape 300 is not firmly attached to the inner wall of the first through hole 450 is avoided, the assembly process of the light shielding tape 300 is simple and feasible, the process difficulty is effectively reduced, and meanwhile, the poking sheet structure 200 can be reused, and the production cost is effectively reduced.
With continued reference to fig. 5, in some alternative embodiments, the paddle structure 200 further includes a handle 220 coupled to the paddle 210. Before the pulling piece 210 is taken out of the first through hole 450, the handle 210 is at least partially located in the first through hole 450, and the handle 210 extends along a direction perpendicular to the plane of the display panel 100, so that the pulling piece 210 can be conveniently taken out of the first through hole 450 through the arrangement of the handle 210.
Alternatively, the paddle 210 is in a sheet structure, and the handle 210 may be disposed at the geometric center of the paddle 210, so that when the handle 210 drives the paddle 210 to move, the force applied by the outer edge of the paddle 210 to the second light shielding portion 320 and the inner wall of the first through hole 450 is more uniform.
Fig. 8 and fig. 9 are schematic views of a manufacturing process of the manufacturing method of a display module according to the present invention, referring to fig. 8 and fig. 9, in some alternative embodiments, a paddle 210 includes an elastic portion 211, the elastic portion 211 is located at an outer edge of the paddle 210, and the elastic portion 211 is stressed and deformed.
Referring to fig. 8, before the dial 210 is removed from the first through hole 450, at least a portion of the elastic portion 211 is located between the backlight module 400 and the display panel 100 in a direction perpendicular to the plane of the display panel 100.
Referring to fig. 9, when the tab 210 is taken out of the first through hole 450, the elastic portion 211 is bent toward the direction approaching the display panel 100, so that the tab 210 can be taken out of the first through hole 450, and accordingly, the elastic portion 211 bent toward the direction approaching the display panel 100 can make the second light shielding portion 320 adhere to the inner wall of the first through hole 450, and the elastic stress generated by the elastic portion 211 bent toward the direction approaching the display panel 100 makes the adhesion of the second light shielding portion 320 and the inner wall of the first through hole 450 stronger.
And, since the elastic portion 211 can be deformed, the setting of the elastic portion 211 makes the paddle 210 applicable to the adhesion of the inner wall of the first through hole 450 with more sizes and the second light shielding portion 320 in the light shielding tape 300.
Fig. 10 is an enlarged schematic view of the portion a in fig. 8, referring to fig. 8 and 10, in some alternative embodiments, before the paddle 210 is removed from the first through hole 450, a non-adhesive film 321 is attached to a side of the second light shielding portion 320 near the display panel 100, and in a direction perpendicular to the plane of the display panel 100, the non-adhesive film 321 is located between the paddle 210 and the second light shielding portion 320, so that adhesion between the paddle 210 and the second light shielding portion 320 is avoided, and thus, the assembly of the light shielding tape 300 is prevented from being affected.
Fig. 11 is a schematic plan view of another masking tape before assembling, referring to fig. 11, in some alternative embodiments, the second masking portion 320 includes at least one notch 322, and the notch 322 extends along the direction in which the first masking portion 310 points to the second masking portion 320. Referring to fig. 7 and 12, fig. 12 is a schematic structural view of the assembled light shielding tape shown in fig. 11, and since the second light shielding portion 320 is provided with the notch 322, the second light shielding portion 320 can be changed from being located on the same plane as the first light shielding portion 310 to being attached to the inner wall of the first through hole 450.
Fig. 13 is a schematic plan view of still another light shielding tape before assembling, referring to fig. 13, in some alternative embodiments, at least one composite light shielding tape 323 is attached to the second light shielding part 320, two ends of the composite light shielding tape 323 are respectively located at two sides of the notch 322 along the extending direction of the edge S of the second light shielding part 320 away from the first light shielding part 310, two ends of the composite light shielding tape 323 are attached to the second light shielding part 320, the viscosity of one end of the composite light shielding tape 323 is greater than that of the other end of the composite light shielding tape 323, and when the pulling piece 210 is taken out from the first through hole 450, the weaker end of the composite light shielding tape 323 and the second light shielding part 320 can be changed in position to adapt to the structure that the second light shielding part 320 is changed from being located at the same plane as the first light shielding part 310 to be attached to the inner wall of the first through hole 450.
Fig. 14 is a schematic structural diagram of the assembled light shielding tape shown in fig. 13, referring to fig. 7 and 14, after the pulling piece 210 is taken out from the first through hole 450, a closed ring structure is formed between the composite light shielding tape 323 and the second light shielding portion 320, and the composite light shielding tape 323 can shield the notch 322 to prevent light from leaking out of the notch 322.
Fig. 15 is a schematic structural view of the assembled masking tape shown in fig. 3, and referring to fig. 3 and 15, in some alternative embodiments, the second masking part 320 has stretchability, so that the second masking part 320 can be changed from a structure in which it is in the same plane as the first masking part 310 to a structure in which it is attached to the inner wall of the first through hole 450.
In some alternative embodiments, the second light shielding portion 320 has plasticity, and the second light shielding portion 320 may also have a structure that is changed from being located on the same plane as the first light shielding portion 310 to being attached to the inner wall of the first through hole 450.
Alternatively, the second light shielding part 320 has plasticity at high temperature. Alternatively, the outer edge of the dial may be heated to raise the temperature of the second light shielding portion 320, thereby making the second light shielding portion 320 plastic.
With continued reference to fig. 7, in some alternative embodiments, the display panel includes a first polarizer 141, the first polarizer 141 is located on the backlight side of the display panel 100, the first polarizer 141 includes a second through hole 160, and the second through hole 160 penetrates the first polarizer 141 along a direction perpendicular to the plane of the display panel 100.
After the backlight module 400 and the display panel 100 are aligned and attached, the vertical projection of the first through hole 450 on the plane of the display panel 100 is located in the vertical projection of the second through hole 160 on the plane of the display panel 100. The first polarizer 141 includes a second through hole 160, and when the camera and/or the optical sensor are/is placed in the area corresponding to the first through hole 450 in the display module, the first polarizer 141 can be prevented from affecting the photosensitivity of the camera and/or the optical sensor.
Similarly, in some alternative embodiments, the display panel includes a second polarizer 142, where the second polarizer 142 is located on the light-emitting side of the display panel 100, and the second polarizer 142 includes a third through hole 170, and the third through hole 170 penetrates the second polarizer 142 along a direction perpendicular to the plane of the display panel 100.
After the backlight module 400 and the display panel 100 are aligned and attached, the vertical projection of the first through hole 450 on the plane of the display panel 100 is located in the vertical projection of the third through hole 170 on the plane of the display panel 100. The second polarizer 142 includes a third through hole 170, so that when the camera and/or the optical sensor is disposed in the area corresponding to the first through hole 450 in the display module, the second polarizer 142 can be prevented from affecting the photosensitivity of the camera and/or the optical sensor.
With continued reference to fig. 7, in some alternative embodiments, the display panel further includes a substrate 111. Optionally, the substrate 111 is a substrate of the array substrate 110. The first polarizer 141 is positioned at a side of the substrate 111 near the backlight side of the display panel 100.
At least a portion of the first light shielding portion 310 is attached to a surface of the first polarizer 141 facing away from the substrate 111, and at least a portion of the first light shielding portion 310 is attached to a surface of the substrate 111 facing the first polarizer 141.
The first polarizer 141 includes a first sidewall 161 forming the second through hole 160, and at least part of the first light shielding part 310 is disposed around the first sidewall 161. The first light shielding portion 310 can shield the light emitted from the first sidewall 161 by the first polarizer 141, so as to further avoid light leakage in the region corresponding to the first through hole 450 in the display module.
Fig. 16 is a schematic plan view of a polarizer according to the present invention, and referring to fig. 7 and 16, in some alternative embodiments, a first polarizer 141 includes a protective layer 1411, where the protective layer 1411 includes at least a first pre-break line group 143 and a second pre-break line group 144, and the first pre-break line group 143 is located between the second pre-break line group 144 and the second through hole 160.
The first pre-break line group 143 includes a plurality of first pre-break lines 1431 arranged along the circumferential direction of the second through hole 160, the second pre-break line group 144 includes a plurality of second pre-break lines 1441 arranged along the circumferential direction of the second through hole 160, and the first pre-break lines 1431 in the first pre-break line group 143 and the second pre-break lines 1441 in the second pre-break line group 144 can each block light collected by the protective layer 1411 in the first polarizer 141. Along the direction that the first light shielding portion 310 points to the second light shielding portion 320, one second pre-broken line 1441 and two adjacent first pre-broken lines 1431 partially overlap in the radial direction of the second through hole 160, the first pre-broken line group 143 and the second pre-broken line group 144 together form a pre-broken line surrounding the second through hole 160, and by the arrangement of the first pre-broken line group 143 and the second pre-broken line group 144, light rays collected by the protective layer 1411 in the first polarizer 141 are effectively prevented from being emitted from the first side wall 161, and further, the phenomenon of light leakage in the area corresponding to the first through hole 450 in the display module is prevented. It should be noted that, in fig. 16, the lengths of the first pre-break line 1431 and the second pre-break line 1441 are only used for illustration, and those skilled in the art can set pre-break lines with equal or unequal lengths according to actual needs, so long as the first pre-break line group 143 and the second pre-break line group 144 together form a circle of pre-break lines around the second through hole 160.
The area corresponding to the first light shielding portion 310 in the display module is a frame area, the vertical projection of the first pre-break line 1431 on the plane of the display panel is located in the vertical projection of the first light shielding portion 310 on the plane of the display panel 100, and the vertical projection of the second pre-break line 1441 on the plane of the display panel 100 is located in the vertical projection of the first light shielding portion 310 on the plane of the display panel 100, so that the arrangement of the first pre-break line 1431 and the second pre-break line 1441 does not affect the display of the normal display area.
Fig. 17 is a schematic plan view of another polarizer provided in the present invention, referring to fig. 7 and 17, in some alternative embodiments, the first polarizer 141 includes a protective layer 1411, the protective layer 1411 includes at least one third pre-break line 145, the third pre-break line 145 is in a closed ring structure, and the third pre-break line 145 can shield the light collected by the protective layer 1411 in the first polarizer 141, so as to effectively prevent the light collected by the protective layer 1411 in the first polarizer 141 from being emitted from the first sidewall 161, and further avoid the light leakage phenomenon in the area corresponding to the first through hole 450 in the display module.
The area corresponding to the first light shielding portion 310 in the display module is a frame area, the vertical projection of the third pre-break line 145 on the plane where the display panel 100 is located in the vertical projection of the first light shielding portion 310 on the plane where the display panel 100 is located, and the setting of the third pre-break line 145 does not affect the display of the normal display area.
The embodiment provides a display module, which is manufactured by adopting the manufacturing method of the display module provided by any embodiment of the invention.
Referring to fig. 7, in the display module manufactured by the manufacturing method of the display module provided by the embodiment of the invention, the first light shielding portion 310 in the light shielding tape 300 is attached to one side of the backlight module 400 close to the display panel 100, the second light shielding portion 320 is attached to the inner wall of the first through hole 450 of the backlight module 400, and the light emitted from the backlight module 400 and entering the region corresponding to the first through hole 450 in the display module is effectively shielded by the light shielding tape 300, so that the phenomenon of light leakage in the region corresponding to the first through hole 450 in the display module is solved. By adopting the manufacturing method of the display module provided by the embodiment of the invention, the second light shielding part 320 in the light shielding tape 300 is reliably attached to the inner wall of the first through hole 450 of the backlight module 400 through the poking sheet 210 in the poking sheet structure 200, so that the problem that the second light shielding part 320 in the light shielding tape 300 is not firmly attached to the inner wall of the first through hole 450 is avoided, the assembly process of the light shielding tape 300 is simple and feasible, the process difficulty is effectively reduced, and meanwhile, the poking sheet structure 200 can be reused, and the production cost is effectively reduced.
Referring to fig. 7, in some alternative embodiments, the display panel 100 includes a first polarizer 141, the first polarizer 141 is located on the backlight side of the display panel 100, the first polarizer 141 includes a second through hole 160, and the second through hole 160 penetrates the first polarizer 141 along a direction perpendicular to the plane of the display panel 100.
The vertical projection of the first through hole 450 on the plane of the display panel 100 is located in the vertical projection of the second through hole 160 on the plane of the display panel 100. The first polarizer 141 includes a second through hole 160, and when the camera and/or the optical sensor are/is placed in the area corresponding to the first through hole 450 in the display module, the first polarizer 141 can be prevented from affecting the photosensitivity of the camera and/or the optical sensor.
With continued reference to fig. 7, in some alternative embodiments, the display panel further includes a substrate 111. Optionally, the substrate 111 is a substrate of the array substrate 110. The first polarizer 141 is positioned at a side of the substrate 111 near the backlight side of the display panel 100.
At least a portion of the first light shielding portion 310 is attached to a surface of the first polarizer 141 facing away from the substrate 111, and at least a portion of the first light shielding portion 310 is attached to a surface of the substrate 111 facing the first polarizer 141.
The first polarizer 141 includes a first sidewall 161 forming the second through hole 160, and at least part of the first light shielding part 310 is disposed around the first sidewall 161. The first light shielding portion 310 can shield the light emitted from the first sidewall 161 by the first polarizer 141, so as to further avoid light leakage in the region corresponding to the first through hole 450 in the display module.
In some alternative embodiments, please refer to fig. 18, fig. 18 is a schematic plan view of a display device provided by the present invention, and a display device 1000 provided by the present embodiment includes a display module provided by the above embodiment of the present invention. In the embodiment of fig. 18, the display device 1000 is described by taking a mobile phone as an example, and it is to be understood that the display device 1000 provided in the embodiment of the present invention may be any other display device 1000 having a display function, such as a computer, a television, a vehicle-mounted display device, etc., which is not particularly limited in the present invention. The display device 1000 provided in the embodiment of the present invention has the beneficial effects of the display module provided in the embodiment of the present invention, and the specific description of the display module in each of the above embodiments may be referred to specifically, and this embodiment is not repeated here.
According to the display module, the manufacturing method thereof and the display device provided by the invention, the following beneficial effects are at least realized:
the display module manufactured by the manufacturing method of the display module provided by the invention can realize that the first shading part in the shading adhesive tape is attached to one side of the backlight module close to the display panel, the second shading part is attached to the inner wall of the first through hole of the backlight module, and the shading adhesive tape effectively shields light emitted from the backlight module and entering the area corresponding to the first through hole in the display module, so that the phenomenon of light leakage in the area corresponding to the first through hole in the display module is solved. By adopting the manufacturing method of the display module provided by the invention, the second shading part in the shading adhesive tape can be reliably attached to the inner wall of the first through hole of the backlight module through the poking sheet in the poking sheet structure, the problem that the second shading part in the shading adhesive tape is not firmly attached to the inner wall of the first through hole is avoided, the assembly process of the shading adhesive tape is simple and feasible, the process difficulty is effectively reduced, and meanwhile, the poking sheet structure can be reused, and the production cost is effectively reduced.
While certain specific embodiments of the invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (16)
1. The manufacturing method of the display module is characterized by comprising the following steps:
providing a display panel;
providing a plectrum structure, wherein the plectrum structure comprises a plectrum, and the plectrum is attached to the backlight side of the display panel;
providing a shading adhesive tape, wherein the shading adhesive tape is of an annular structure, the shading adhesive tape comprises a first shading part and a second shading part which are connected, the first shading part is attached to the backlight side of the display panel, and the second shading part is positioned on one side of the poking piece, which is away from the display panel;
providing a backlight module, wherein the backlight module comprises a first through hole, and the first through hole penetrates through the backlight module along the direction perpendicular to the plane of the backlight module;
the backlight module is aligned and attached to the display panel, the first shading part is located between the backlight module and the display panel along the direction perpendicular to the plane of the display panel, the vertical projection of the second shading part on the plane of the display panel is located in the vertical projection of the first through hole on the plane of the display panel, and the vertical projection of the shifting sheet on the plane of the display panel is at least partially overlapped with the vertical projection of the first through hole on the plane of the display panel;
and taking the poking piece out of the first through hole, wherein when the poking piece moves, the outer edge of the poking piece enables the second shading part to be attached to the inner wall of the first through hole.
2. The method of claim 1, wherein,
the plectrum comprises an elastic part, and the elastic part is positioned at the outer edge of the plectrum;
before the poking piece is taken out of the first through hole, at least part of the elastic part is positioned between the backlight module and the display panel along the direction perpendicular to the plane of the display panel;
when the poking piece is taken out of the first through hole, the elastic part is bent towards the direction approaching the display panel.
3. The method of claim 1, wherein,
before the poking piece is taken out of the first through hole, a non-adhesive film is attached to one side, close to the display panel, of the second shading part, and the non-adhesive film is located between the poking piece and the second shading part along the direction perpendicular to the plane where the display panel is located.
4. The method of claim 1, wherein,
the second light shielding part comprises at least one notch, and the notch extends along the direction that the first light shielding part points to the second light shielding part.
5. The method of claim 4, wherein,
at least one compound shading tape is attached to the second shading part, two ends of the compound shading tape are respectively positioned at two sides of the notch along the extending direction of the edge of the second shading part far away from one side of the first shading part, two ends of the compound shading tape are attached to the second shading part, and the viscosity of one end of the compound shading tape is larger than that of the other end of the compound shading tape;
after the poking piece is taken out of the first through hole, a closed annular structure is formed between the composite shading adhesive tape and the second shading part.
6. The method of claim 1, wherein,
the second light shielding portion has stretchability.
7. The method of claim 1, wherein,
the second light shielding portion has plasticity.
8. The method of claim 1, wherein,
the plectrum structure also comprises a handle connected with the plectrum;
before the pulling piece is taken out of the first through hole, the handle is at least partially positioned in the first through hole, and the handle extends along the direction perpendicular to the plane of the display panel.
9. The method of claim 1, wherein,
the display panel comprises a first polaroid, the first polaroid is positioned on the backlight side of the display panel, the first polaroid comprises a second through hole, and the second through hole penetrates through the first polaroid along the direction perpendicular to the plane of the display panel;
after the backlight module and the display panel are aligned and attached, the vertical projection of the first through hole on the plane where the display panel is located in the vertical projection of the second through hole on the plane where the display panel is located.
10. The method of claim 9, wherein,
the display panel further comprises a substrate, and the first polaroid is positioned on one side of the substrate, which is close to the backlight side of the display panel;
at least part of the first shading part is attached to the surface of one side of the first polaroid, which is away from the substrate, and at least part of the first shading part is attached to the surface of one side of the substrate, which is close to the first polaroid;
the first polarizer includes a first sidewall forming the second through hole, and at least a portion of the first light shielding portion is disposed around the first sidewall.
11. The method of claim 9, wherein,
the first polaroid comprises a protective layer, wherein the protective layer at least comprises a first pre-broken line group and a second pre-broken line group, and the first pre-broken line group is positioned between the second pre-broken line group and the second through hole;
the first pre-break line group comprises a plurality of first pre-break lines which are distributed along the circumferential direction of the second through hole, and the vertical projection of the first pre-break lines on the plane of the display panel is positioned in the vertical projection of the first shading part on the plane of the display panel;
the second pre-break line group comprises a plurality of second pre-break lines which are distributed along the circumferential direction of the second through hole, and the vertical projection of the second pre-break lines on the plane of the display panel is positioned in the vertical projection of the first shading part on the plane of the display panel;
one of the second pre-broken lines overlaps two of the first pre-broken lines adjacent thereto in a direction in which the first light shielding portion is directed toward the second light shielding portion.
12. The method of claim 9, wherein,
the first polaroid comprises a protective layer, the protective layer comprises at least one third pre-break line, the third pre-break line is of a closed annular structure, and the vertical projection of the third pre-break line on the plane where the display panel is located in the vertical projection of the first shading portion on the plane where the display panel is located.
13. A display module, characterized in that the display module is manufactured by the manufacturing method of the display module according to any one of claims 1-12.
14. The display module assembly of claim 13, wherein the display module assembly comprises,
the display panel comprises a first polaroid, wherein the first polaroid is positioned on the backlight side of the display panel, the first polaroid comprises a second through hole, and the second through hole penetrates through the first polaroid along the direction perpendicular to the plane where the display panel is positioned;
the vertical projection of the first through hole on the plane of the display panel is positioned in the vertical projection of the second through hole on the plane of the display panel.
15. The display module assembly of claim 14, wherein the display module assembly comprises,
the display panel further comprises a substrate, and the first polaroid is positioned on one side of the substrate, which is close to the backlight side of the display panel;
at least part of the first shading part is attached to the surface of one side, away from the substrate, of the first polaroid, and at least part of the first shading part is attached to the surface of one side, close to the first polaroid, of the substrate;
the first polarizer includes a first sidewall forming the second through hole, and at least a portion of the first light shielding portion is disposed around the first sidewall.
16. A display device comprising the display module of any one of claims 13-15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111449941.XA CN114035358B (en) | 2021-11-30 | 2021-11-30 | Display module, manufacturing method thereof and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111449941.XA CN114035358B (en) | 2021-11-30 | 2021-11-30 | Display module, manufacturing method thereof and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114035358A CN114035358A (en) | 2022-02-11 |
| CN114035358B true CN114035358B (en) | 2023-05-02 |
Family
ID=80139429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111449941.XA Active CN114035358B (en) | 2021-11-30 | 2021-11-30 | Display module, manufacturing method thereof and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114035358B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002260426A (en) * | 2001-02-28 | 2002-09-13 | Sharp Corp | Display device and lighting device |
| CN108957855A (en) * | 2018-07-26 | 2018-12-07 | 厦门天马微电子有限公司 | Display device |
| CN109116621A (en) * | 2018-09-29 | 2019-01-01 | 厦门天马微电子有限公司 | Display module and display device |
| CN208456979U (en) * | 2018-06-08 | 2019-02-01 | 潍坊路加精工有限公司 | Adhesive tape laminating mechanism and adhesive tape adhering device |
| CN109683399A (en) * | 2019-02-28 | 2019-04-26 | 厦门天马微电子有限公司 | Display module and display device |
| CN110192199A (en) * | 2017-07-11 | 2019-08-30 | 华为技术有限公司 | A kind of display cover plate assembly and its assemble method, terminal |
| CN110890023A (en) * | 2019-11-20 | 2020-03-17 | 厦门天马微电子有限公司 | Display module, manufacturing method thereof and display device |
| CN213381318U (en) * | 2020-10-27 | 2021-06-08 | 深圳市安德瑞自动化有限公司 | Automatic assembly machine for front end of backlight source |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150114113A (en) * | 2014-03-31 | 2015-10-12 | 삼성디스플레이 주식회사 | Liquid crystal display device |
-
2021
- 2021-11-30 CN CN202111449941.XA patent/CN114035358B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002260426A (en) * | 2001-02-28 | 2002-09-13 | Sharp Corp | Display device and lighting device |
| CN110192199A (en) * | 2017-07-11 | 2019-08-30 | 华为技术有限公司 | A kind of display cover plate assembly and its assemble method, terminal |
| CN208456979U (en) * | 2018-06-08 | 2019-02-01 | 潍坊路加精工有限公司 | Adhesive tape laminating mechanism and adhesive tape adhering device |
| CN108957855A (en) * | 2018-07-26 | 2018-12-07 | 厦门天马微电子有限公司 | Display device |
| CN109116621A (en) * | 2018-09-29 | 2019-01-01 | 厦门天马微电子有限公司 | Display module and display device |
| CN109683399A (en) * | 2019-02-28 | 2019-04-26 | 厦门天马微电子有限公司 | Display module and display device |
| CN110890023A (en) * | 2019-11-20 | 2020-03-17 | 厦门天马微电子有限公司 | Display module, manufacturing method thereof and display device |
| CN213381318U (en) * | 2020-10-27 | 2021-06-08 | 深圳市安德瑞自动化有限公司 | Automatic assembly machine for front end of backlight source |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114035358A (en) | 2022-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108957855B (en) | Display device | |
| CN111913316B (en) | Display device | |
| CN111856810B (en) | Liquid crystal display screen and display device | |
| US9778505B2 (en) | Liquid crystal display device and method of manufacturing a liquid crystal display device | |
| CN109557726B (en) | Display panel, manufacturing method thereof and display device | |
| CN210465916U (en) | Liquid crystal display device having a plurality of pixel electrodes | |
| US11556024B2 (en) | Display assembly of electronic device, electronic device, and method for manufacturing display assembly | |
| WO2019100803A1 (en) | Display device and manufacturing method therefor | |
| TW202026716A (en) | Liquid crystal display device | |
| US20120019746A1 (en) | Display device and method for manufacturing the same | |
| TW201415314A (en) | Touch display module and assembly method thereof | |
| CN102692736A (en) | Display module and manufacture method thereof | |
| US20200174310A1 (en) | Liquid crystal display device | |
| US20180217314A1 (en) | Backlight module, method for assembling the same and display device | |
| TW201400939A (en) | Backlight module and display apparatus | |
| US20160370555A1 (en) | Color filter substrate and manufacturing method thereof, display device and manufacturing method thereof | |
| CN113064292A (en) | Display device and manufacturing method thereof | |
| CN104698669A (en) | Display panel and manufacturing method thereof | |
| CN111025752A (en) | Display device and method for manufacturing the same | |
| CN114035358B (en) | Display module, manufacturing method thereof and display device | |
| WO2021203893A1 (en) | Display module and fixing method therefor, and display apparatus | |
| CN110737131A (en) | Backlight unit and display module | |
| CN111538180A (en) | Liquid crystal display device having a plurality of pixel electrodes | |
| JP2010145850A (en) | Display apparatus and display module using the same | |
| US20180059315A1 (en) | Backlight Module and the Manufacturing Method Thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |