CN218383562U - Display panel and display module for preventing polaroid edge from whitening - Google Patents
Display panel and display module for preventing polaroid edge from whitening Download PDFInfo
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- CN218383562U CN218383562U CN202222158461.4U CN202222158461U CN218383562U CN 218383562 U CN218383562 U CN 218383562U CN 202222158461 U CN202222158461 U CN 202222158461U CN 218383562 U CN218383562 U CN 218383562U
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Abstract
The utility model discloses a prevent that polaroid edge from blushing's display panel, it includes: an array substrate and a color film substrate; the display medium layer is arranged in a display area between the array substrate and the color film substrate; the first polarizer is arranged on one side of the color film substrate, which is far away from the array substrate; the second polaroid is arranged on one side of the array substrate, which is far away from the color film substrate; the outline edge of the first polarizer is arranged in a retracted mode relative to the outline edge of the color film substrate to form a first blank edge; the outer contour edge of the second polaroid is arranged in a retracted mode relative to the outer contour edge of the array substrate to form a second blank edge; and the first blank edge and the second blank edge are both provided with sealant. After the edge of the polaroid is protected by glue, the edge of the polaroid can effectively prevent the erosion of water vapor and solve the whitening problem; and the adhesive stability of the polarizer and the substrate (including the array substrate and the color film substrate) can be further enhanced by the sealant.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically be a prevent that polaroid edge from blushing's display panel and display module assembly.
Background
In the prior art, a liquid crystal display panel includes an upper polarizer, a liquid crystal panel, and a lower polarizer, where the upper polarizer and the lower polarizer may be respectively attached to a display surface and a bottom surface of the liquid crystal panel. The polaroid is used as a grating to play a role in black screen and bright screen.
The invention discloses a composite polarizer and a manufacturing method thereof and a display panel, as well as a Chinese invention patent CN107422411A, the composite polarizer mainly comprises a substrate layer, a sticking layer, a release film layer, a polarization functional layer, a quantum dot material layer and a protective layer, wherein the release film layer, the sticking layer, the substrate layer, the polarization functional layer and the protective layer are sequentially laminated from bottom to top, the polarization functional layer comprises a polarization base layer and a first inner protective layer, and the quantum dot material layer is positioned between the polarization base layer and the protective layer. The polarized light functional layer comprises two first inner protective layers, the two first inner protective layers are respectively positioned on different sides of the polarized light base layer, namely the first inner protective layer on the lower layer is manufactured on the base material layer, the quantum dot material layer is attached to the upper surface of the polarized light base layer, the first inner protective layer on the upper layer is attached to the upper surface of the quantum dot material layer, and the protective layer is formed on the upper surface of the first inner protective layer on the upper layer. When the composite polarizer is applied to a display panel and used as a lower polarizer, when the outermost release film layer is peeled off, the composite polarizer can be pasted to the light inlet surface of the display panel through the pasting layer, the light outlet surface of the display panel is pasted with an upper polarizer, light emitted by the backlight source generates incident light with better color gamut function after passing through the composite polarizer, and light emitted by the display panel forms a display picture after being polarized by the upper polarizer.
If china utility model patent CN201583678U discloses polaroid and liquid crystal display panel again, liquid crystal display panel includes first polaroid, liquid crystal display panel and second polaroid, liquid crystal display panel include the display surface and with the bottom surface that the display surface is relative, first polaroid and second polaroid laminate respectively liquid crystal display panel's display surface and bottom surface, the two has the polarisation main part respectively, at least one still includes a light shield layer in first polaroid and the second polaroid, the light shield layer bond extremely through a tie coat polarisation main part. The polarizer comprises a polarizing main body and a shading layer, the polarizing main body comprises a polarizing dielectric layer and two supporting layers which are arranged on two sides of the polarizing dielectric layer respectively, and the shading layer is bonded to one of the supporting layers of the polarizing main body through a bonding layer.
When the inventor specifically implements any one of the above technical solutions, the following defects are found: the edge parallel and level of upper and lower polaroid edge and display panel, the polaroid edge does not obtain effectual protection promptly, under the heavier environment of moisture, absorbs water easily and wets for PVA (polyvinyl alcohol) layer in the polaroid and steam reaction cause the inefficacy to turn white, influence display effect, cause PVA to lose efficacy.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to the technical problem who exists among the prior art, provide a prevent that polaroid edge from blushing's display panel and display module assembly.
In order to solve the technical problem, the utility model provides a prevent that polaroid edge from blushing display panel, the technical scheme who specifically realizes as follows:
a display panel preventing edge whitening of a polarizer, comprising:
an array substrate is provided with a plurality of first electrodes,
the color film substrate is arranged corresponding to the array substrate;
the display medium layer is arranged in a display area between the array substrate and the color film substrate;
the first polarizer is arranged on one side, away from the array substrate, of the color film substrate;
the second polarizer is arranged on one side of the array substrate, which is far away from the color film substrate;
under the overlooking state from the upper part of the color film substrate, the outline edge of the first polarizer is arranged in a retracted manner relative to the outline edge of the color film substrate to form a first blank edge;
under the state of looking up from the lower part of the array substrate, the outer contour edge of the second polaroid is arranged in a retracted mode relative to the outer contour edge of the array substrate to form a second blank edge;
and sealing glue is arranged on the first blank edge and the second blank edge.
As the utility model provides a prevent further optimization mode of polaroid edge whitish display panel, sealed thickness of gluing all does not surpass the height of first polaroid and second polaroid.
As the utility model provides a prevent further optimization mode of polaroid edge whitish display panel, sealed glue is UV glue.
As the utility model provides a prevent further optimization mode of polaroid edge whitish display panel, sealed glue is the waterproof glue.
As the utility model provides a prevent further optimization mode of polaroid edge whitish display panel, sealed glue is sealed to glue, and it encloses to be established the side of various membrane base plate and array substrate and on first blank edge and the second blank edge.
As the utility model provides a prevent further optimization mode of polaroid edge whitish display panel, first blank edge and/or second blank edge are equipped with miniature groove.
As the utility model provides a prevent further optimization mode of polaroid edge whitish display panel, first blank edge and/or the blank edge of second are set up to dull polish district.
As the utility model provides a prevent further optimization mode of polaroid edge whitish display panel, the display medium layer is the liquid crystal layer.
As the utility model provides a prevent further optimization mode of polaroid edge whitish display panel, first polaroid is including the polarizing film and the peep-proof membrane of laminating mutually, polarizing film pastes and establishes on the various membrane base plate.
A display module comprises a backlight source and any one of the display panels attached to the light-emitting side of the backlight source.
Compared with the prior art, the utility model discloses prevent that polaroid edge from blushing display panel has following beneficial effect:
in the display panel of the present invention, when the display panel is viewed from above the color filter substrate, the outer contour edge of the first polarizer is retracted inward relative to the outer contour edge of the color filter substrate to form a first blank edge; under the state of looking up from the lower part of the array substrate, the outer contour edge of the second polaroid is arranged in a retracted mode relative to the outer contour edge of the array substrate to form a second blank edge; the first blank edge and the second blank edge are both provided with the sealant, and with the structural design, after the polaroid (including the first polaroid and the second polaroid) retracts inwards, a space is vacated for dispensing the sealant, the edges of the polaroid are sealed and waterproof, and after the edges of the polaroid are protected by the glue, the edges of the polaroid can effectively prevent water vapor erosion, so that the problem of blushing is solved; and the adhesive stability of the polarizer and the substrate (including the array substrate and the color film substrate) can be further enhanced by the sealant.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic perspective view of a display panel for preventing the edge of a polarizer from whitening according to the present invention;
FIG. 2 is a schematic perspective view of the display panel of the present invention for preventing the edge of the polarizer from whitening, wherein no sealant is shown;
FIG. 3 is a top view of FIG. 1;
FIG. 4 isbase:Sub>A cross-sectional perspective view at A-A of FIG. 3;
FIG. 5 isbase:Sub>A cross-sectional perspective view taken at A-A of FIG. 3, without the sealant;
FIG. 6 is an enlarged schematic view at B in FIG. 4;
fig. 7 is another schematic perspective view of the display panel of the present invention for preventing the edge of the polarizer from whitening.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
As described in the background art, the edges of the upper and lower polarizers are flush with the edges of the display panel, i.e., the edges of the polarizers are not effectively protected, and in a relatively heavy environment with moisture, the polarizer is easily absorbed and wetted, so that the PVA (polyvinyl alcohol) layer in the polarizer reacts with water vapor to cause failure and whitening, thereby affecting the display effect and causing PVA failure.
The inventors have proposed a display panel for preventing the edge of the polarizer from being whitened to solve the above-mentioned problems. Specifically, as shown in fig. 1 to 6, the present invention provides a display panel for preventing whitening of polarizer edges, which includes:
an array substrate (1) is provided,
the color film substrate 2 is arranged corresponding to the array substrate 1;
the display medium layer is arranged in a display area 3 between the array substrate 1 and the color film substrate 2;
the first polarizer 4 is arranged on one side of the color film substrate 2, which is deviated from the array substrate 1;
the second polarizer 5 is arranged on one side of the array substrate 1, which is far away from the color film substrate 2;
in an overlooking state from the upper part of the color film substrate 2, the outer contour edge of the first polarizer 4 is arranged in a retracted manner relative to the outer contour edge of the color film substrate 2 to form a first blank edge 6;
in a bottom view state from the lower part of the array substrate 1, the outer contour edge of the second polarizer 5 is set to be retracted relative to the outer contour edge of the array substrate 1 to form a second blank edge 7;
and the first blank edge 6 and the second blank edge 7 are both provided with a sealant 8.
By adopting the structural design, the space vacated after the polaroids (including the first polaroid 4 and the second polaroid 5) are retracted is used for dispensing the sealant 8 to seal and waterproof the edges of the polaroids, and after the edges of the polaroids are protected by the glue, the edges of the polaroids can effectively prevent the erosion of water vapor, thereby solving the whitening problem; and the sealant 8 can further enhance the adhesion stability of the polarizer and the substrates (i.e. including the array substrate 1 and the color film substrate 2).
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in the case of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Embodiment 1 of the display panel for preventing the edge of the polarizer from whitening
As shown in fig. 1 to 6, a display panel for preventing whitening of polarizer edges, comprising:
the array substrate 1 is provided with a plurality of grooves,
the color film substrate 2 is arranged corresponding to the array substrate 1;
the display medium layer is arranged in a display area 3 between the array substrate 1 and the color film substrate 2;
the first polarizer 4 is arranged on one side of the color film substrate 2, which is deviated from the array substrate 1;
the second polarizer 5 is arranged on one side of the array substrate 1, which is far away from the color film substrate 2;
in an overlooking state from the upper part of the color film substrate 2, the outer contour edge of the first polarizer 4 is arranged in a retracted manner relative to the outer contour edge of the color film substrate 2 to form a first blank edge 6;
in a bottom view state from the lower part of the array substrate 1, the outer contour edge of the second polarizer 5 is set to be retracted relative to the outer contour edge of the array substrate 1 to form a second blank edge 7;
and the first blank edge 6 and the second blank edge 7 are both provided with a sealant 8.
The array substrate 1 comprises a display area 3 and display pixel units arranged in the display area 3; the color film substrate 2 and the array substrate 1 are arranged in a relative position, namely the two are formed in a box-to-box mode and have a certain box-to-box gap. The display medium layer is disposed in the cell gap, and further, the display medium layer is preferably, but not limited to, a liquid crystal layer.
In one embodiment, the sealant 8 is a UV sealant, and is further UV cured after coating. In another embodiment, the sealant 8 is a waterproof glue.
Embodiment 2 of the display panel for preventing the edge of the polarizer from whitening
Further optimization is performed on the basis of the embodiment 1, and the thickness of the sealant 8 does not exceed the heights of the first polarizer 4 and the second polarizer 5.
It is understood that the thickness of the sealant 8 is less than the thickness of the first polarizer 4 or the second polarizer 5, and may be flush with the first polarizer 4 or the second polarizer 5.
Due to the structural design, the flatness of the display panel is guaranteed.
Embodiment 3 of the display panel for preventing the edge of the polarizer from whitening
As shown in fig. 7, based on the embodiment 1, the sealant 8 is a sealing frame sealant 9, and is disposed around the side edges of the color film substrate 2 and the array substrate 1 and the first and second margin edges 6 and 7.
It can be understood that after the first polarizer 4 and the second polarizer 5 are disposed on the color film substrate 2 and the array substrate 1, the sealant 8 is coated on the side edges of the color film substrate 2 and the array substrate 1 and the first blank edge 6 and the second blank edge 7 and cured to obtain the sealant 9, so that the waterproof effect of the first polarizer 4 and the second polarizer 5 is ensured, and the sealing effect of the display medium layer is further improved.
Preferably, the sealant 9 is a heat-conducting sealant.
It is noted that the sealant 9 forms an evasion opening at one side of the bonding region 10 of the display panel, so as to facilitate the subsequent bonding and leading-out of the FPC.
Further preferred on the basis of any of the embodiments 1-3 above, said first margin 6 and/or said second margin 7 is provided with micro-grooves. Alternatively, the first margin edge 6 and/or the second margin edge 7 are provided as a frosted area.
By such design, the micro grooves or the frosted areas are beneficial to improving the adhesive force of the sealant 8 and the array substrate 1 or the color film substrate 2.
On the basis of any of the above embodiments, further, the first polarizer 4 includes a polarizing film and a privacy film that are attached to each other, and the polarizing film is attached to the color film substrate 2.
So design, with the peep-proof membrane integration in first polaroid 4, reduce the intensity of emergent light through the peep-proof membrane in certain visual angle range, make display panel's visual angle reduce during the application to play the effect of peep-proof.
Embodiment 1 of the display module
A display module comprises a backlight source and a display panel which is attached to the light-emitting side of the backlight source in any one of the embodiments.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all embodiments, and that the appended drawings illustrate preferred embodiments of the present invention, but do not limit the scope of the invention. The present invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents may be substituted for elements thereof. All utilize the equivalent structure that the specification and the attached drawing content of the utility model were done, direct or indirect application is in other relevant technical field, all the same reason is within the utility model discloses the patent protection within scope.
Claims (10)
1. A display panel preventing edge whitening of a polarizer, comprising:
an array substrate is provided with a plurality of first electrodes,
the color film substrate is arranged corresponding to the array substrate;
the display medium layer is arranged in a display area between the array substrate and the color film substrate;
the first polarizer is arranged on one side, away from the array substrate, of the color film substrate;
the second polarizer is arranged on one side of the array substrate, which is far away from the color film substrate;
it is characterized in that the preparation method is characterized in that,
under the overlooking state from the upper part of the color film substrate, the outline edge of the first polarizer is arranged in a retracted manner relative to the outline edge of the color film substrate to form a first blank edge;
under the state of looking up from the lower part of the array substrate, the outer contour edge of the second polaroid is arranged in a retracted mode relative to the outer contour edge of the array substrate to form a second blank edge;
and sealing glue is arranged on the first blank edge and the second blank edge.
2. The display panel of claim 1, wherein the sealant has a thickness not exceeding the height of the first polarizer and the second polarizer.
3. The display panel for preventing edge blushing of a polarizer of claim 1 or 2, wherein said sealant is a UV glue.
4. The display panel for preventing whitening of polarizer edges according to claim 1 or 2, wherein the sealant is a waterproof adhesive.
5. The display panel according to claim 1 or 2, wherein the sealant is a sealant surrounding the color film substrate and the side edges of the array substrate and the first and second blank edges.
6. The display panel for preventing edge whitening of a polarizer according to claim 1, wherein the first margin and/or the second margin is provided with micro grooves.
7. The display panel for preventing whitening of polarizer edges according to claim 1, wherein the first margin and/or the second margin are provided as frosted areas.
8. The display panel for preventing whitening of polarizer edges according to claim 1, wherein the display medium layer is a liquid crystal layer.
9. The display panel of claim 1, wherein the first polarizer comprises a polarizing film and a privacy film, and the polarizing film is attached to the color film substrate.
10. A display module, comprising a backlight source and the display panel of any one of claims 1 to 9 attached to the light exit side of the backlight source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222158461.4U CN218383562U (en) | 2022-08-16 | 2022-08-16 | Display panel and display module for preventing polaroid edge from whitening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222158461.4U CN218383562U (en) | 2022-08-16 | 2022-08-16 | Display panel and display module for preventing polaroid edge from whitening |
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| Publication Number | Publication Date |
|---|---|
| CN218383562U true CN218383562U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222158461.4U Active CN218383562U (en) | 2022-08-16 | 2022-08-16 | Display panel and display module for preventing polaroid edge from whitening |
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| CN (1) | CN218383562U (en) |
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- 2022-08-16 CN CN202222158461.4U patent/CN218383562U/en active Active
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