CN114594635A - Display device and display panel thereof - Google Patents
Display device and display panel thereof Download PDFInfo
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- CN114594635A CN114594635A CN202210347086.XA CN202210347086A CN114594635A CN 114594635 A CN114594635 A CN 114594635A CN 202210347086 A CN202210347086 A CN 202210347086A CN 114594635 A CN114594635 A CN 114594635A
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- 239000010410 layer Substances 0.000 claims abstract description 180
- 239000000758 substrate Substances 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000011241 protective layer Substances 0.000 claims abstract description 25
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 239000010703 silicon Substances 0.000 claims abstract description 19
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 18
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 18
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 17
- 239000002861 polymer material Substances 0.000 claims abstract description 13
- 239000000565 sealant Substances 0.000 claims description 22
- 239000003292 glue Substances 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 4
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 27
- 239000002184 metal Substances 0.000 abstract description 26
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- 238000005253 cladding Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000004642 Polyimide Substances 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002161 passivation Methods 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- -1 silicon nitride Chemical compound 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The embodiment of the application discloses display device and display panel, wherein, display panel includes first substrate layer, first electrode layer and first protective layer. The first substrate layer is positioned at the outermost side of the first substrate; the first electrode layer is arranged on one side, facing the second substrate, of the first substrate layer; the first protective layer is arranged on one side, away from the first substrate layer, of the first electrode layer and covers the first electrode layer, and the first protective layer is made of a silicon-based adhesion material and a hydrocarbon polymer material in a mixed mode. This application is through covering the first protective layer of one deck compactness with first electrode layer cladding on first electrode layer, can block to pass along the display panel edge and seal the inside external steam of gluing entering, makes steam can't invade first electrode layer, protects first electrode layer not corroded, has solved among the prior art external steam and has passed along the display panel edge and seal the frame and get into inside, leads to the technical problem that the naked metal of display area is corroded.
Description
Technical Field
The application relates to the field of display, in particular to a display device and a display panel thereof.
Background
In the display panel, two oppositely arranged substrates are bonded together in a non-display area through frame glue. The frame glue not only has the function of connecting and fixing the substrates at the two sides, but also forms a barrier in the non-display area, so that water vapor and dust can be prevented from entering the display area. However, during the use process, external water vapor can penetrate through the frame glue along the edge of the display panel and enter the display panel, so that the exposed metal of the display area is corroded.
Disclosure of Invention
The embodiment of the application provides a display device and a display panel thereof, which can solve the technical problem that in the prior art, external water vapor penetrates through frame glue along the edge of the display panel to enter the display panel to cause the corrosion of exposed metal in a display area.
The embodiment of the application provides a display panel, display panel includes first base plate, second base plate and frame glue, first base plate with the second base plate sets up relatively, frame glue set up in between first base plate and the second base plate, will first base plate and second base plate are connected, first base plate includes:
the first substrate layer is positioned at the outermost side of the first substrate;
the first electrode layer is arranged on one side, facing the second substrate, of the first substrate layer;
the first protective layer is arranged on one side, away from the first substrate layer, of the first electrode layer and covers the first electrode layer, and the first protective layer is made of a silicon-based adhesion material and a hydrocarbon polymer material in a mixed mode.
In some embodiments of the present application, the first protection layer is attached to the sealant.
In some embodiments of the present application, the second substrate includes:
the second substrate layer is arranged on the outermost side of the second substrate;
the second electrode layer is arranged on one side, facing the first substrate, of the substrate layer;
and the second protective layer is arranged on one side of the second electrode layer, which is far away from the second substrate layer, and coats the second electrode layer, and is prepared by mixing the silicon-based adhesion material and the hydrocarbon polymer material.
In some embodiments of the present application, the second protection layer is attached to the sealant.
In some embodiments of the present application, the silicon-based adhesion material comprises greater than 50%.
In some embodiments of the present application, the silicon-based adhesion material comprises a nitride of silicon.
In some embodiments of the present application, the proportion of the polymeric hydrocarbon polymer material is greater than 20%.
In some embodiments herein, the polymeric hydrocarbon polymeric material comprises a polymer of methylcyclohexane.
In some embodiments of the present application, the protective layer has a thickness of between 800 angstroms and 1200 angstroms.
Correspondingly, the embodiment of the present application further provides a display device, including:
a housing;
the display panel as described above, the display panel being mounted on the housing.
In the embodiment of the application, the protective layer is a compact film layer and is made by mixing a silicon-based adhesive material and a hydrocarbon polymer material, the hydrocarbon polymer material can form a compact film layer, the waterproof and antistatic effects are good, the silicon-based adhesive material has good adhesive force and also has certain insulating and anticorrosion effects, so that the first electrode layer is coated by covering the first electrode layer with the first compact protective layer, external water vapor penetrating through frame glue along the edge of the display panel to enter the inside can be prevented, the water vapor can not invade into the first electrode layer, the first electrode layer is protected from being corroded, and the technical problem that in the prior art, the external water vapor penetrates through the frame glue along the edge of the display panel to enter the inside to cause the corrosion of exposed metal in a display area is solved. Meanwhile, after the first protective layer is covered, the width of the frame glue used for bonding the two oppositely arranged substrates together can be correspondingly shortened, the width of the frame of the display panel can be further narrowed, and the narrow frame is realized.
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 a schematic structural diagram of a display device according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a display panel provided in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure.
Fig. 4 is a schematic structural diagram of a first protection layer provided in an embodiment of the present application.
Description of reference numerals:
10. a housing; 20. a display panel; 100. a first substrate; 110. a first substrate layer; 120. a first metal layer; 130. a first insulating layer; 140. a second metal layer; 150. a second insulating layer; 160. a first electrode layer; 170. a first protective layer; 171. a dense layer; 172. an adhesion layer; 180. a first alignment film layer; 200. a second substrate; 300. frame glue; 210. a second substrate layer; 220. a matrix layer; 230. a second electrode layer; 240. a second protective layer; 250. and a second alignment film layer.
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 display device and a display panel thereof. 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.
The present application provides a display device that can be mounted in various products having a display function. For example, the electronic product may be a smart terminal, a notebook computer, a photographing apparatus, a wearable apparatus, an electronic scale, a vehicle-mounted display, a television, and the like.
Referring to fig. 1, the display device includes a housing 10 and a display panel 20 installed in the housing 10. Referring to fig. 2, the display panel 20 includes a first substrate 100, a second substrate 200, and a sealant 300. The first substrate 100 and the second substrate 200 are disposed opposite to each other, and the sealant 300 is disposed between the first substrate 100 and the second substrate 200 to connect the first substrate 100 and the second substrate 200.
Referring to fig. 3, the first substrate 100 includes a first substrate layer 110, a first metal layer 120, a first insulating layer 130, a second metal layer 140, a second insulating layer 150, a first electrode layer 160, a first protection layer 170, and a first alignment film layer 180.
The first substrate layer 110 is disposed on the outermost side of the first substrate 100, and is a flat plate for supporting each film layer on the first substrate 100. The first metal layer 120 is disposed on a side of the first substrate layer 110 facing the second substrate 200, and includes a gate layer as a gate in the first substrate 100. The first insulating layer 130 is disposed on a side of the first metal layer 120 away from the first substrate layer 110, and covers the first metal layer 120 together with the first substrate layer 110, so as to ensure that the first metal layer 120 is insulated from the outside, and prevent external water and dust from invading the first metal layer 120 to cause short circuit and corrosion of the first metal layer 120. The second metal layer 140 is disposed on a side of the first insulating layer 130 away from the first metal layer 120, and includes a source layer as a source in the first substrate 100 and a drain layer as a drain, and the source layer and the drain layer are disposed on the same layer. The second insulating layer 150 is disposed on a side of the second metal layer 140 away from the first insulating layer 130, and covers the second metal layer 140 together with the first insulating layer 130, so as to ensure insulation between the second metal layer 140 and the outside, and prevent external water and dust from invading the second metal layer 140 to cause short circuit and corrosion of the first metal layer 120. The first electrode layer 160 is disposed on a side of the second insulating layer 150 away from the second metal layer 140, and includes a pixel electrode layer serving as a pixel electrode, which is generally made of a transparent electrode material such as Indium Tin Oxide (ITO). The first alignment film layer 180 is disposed on a side of the first electrode layer 160 away from the second insulating layer 150, and is generally made of Polyimide (PI) for enabling the liquid crystal molecules to be uniformly arranged and oriented on a microscopic scale.
The first protection layer 170 is disposed between the first electrode layer 160 and the first alignment film layer 180, that is, the side of the first electrode layer 160 away from the first substrate layer 110, and covers the first electrode layer 160 together with the second insulation layer 150, and the first protection layer 170 is made of a mixture of a silicon-based adhesion material and a hydrocarbon polymer material. The film layer formed by the polymeric hydrocarbon polymer material has a compact structure, can block external water vapor which enters the display panel 20 through the frame glue 300 along the edge of the display panel, and has good waterproof performance. Meanwhile, the hydrocarbon polymer material generally has higher impedance and also has good antistatic effect. The silicon-based adhesive material has a strong adhesive force, so that the first protection layer 170 and the first electrode layer 160 can be tightly attached to each other, and the first protection layer 170 is prevented from being lost and falling off. In this embodiment, the first protection layer 170 can block external water vapor that enters the inside through the sealant 300 along the edge of the display panel 20, so that the water vapor cannot enter the first electrode layer 160, and the first electrode layer 160 is protected from corrosion, thereby solving the technical problem that in the prior art, the exposed metal of the display area is corroded because the external water vapor enters the inside through the sealant 300 along the edge of the display panel 20. Meanwhile, after the first protective layer 170 is covered, the width of the sealant 300 for bonding the two oppositely disposed substrates together can be correspondingly reduced, and the width of the frame of the display panel 20 can be further narrowed, so as to realize a narrow frame.
Referring to fig. 4, in some embodiments of the present application, the first protection layer 170 may include a dense layer 171 and an adhesion layer 172 arranged in layers. The dense layer 171 is made of the above-mentioned polymeric hydrocarbon material, and forms a dense film layer to block external water vapor from entering the first electrode layer 160, and meanwhile, the high impedance of the polymeric hydrocarbon material can also play a role of static electricity prevention. The adhesion layer 172 is disposed between the dense layer 171 and the first electrode layer 160, and is made of the above silicon-based adhesion material, so as to make the dense layer 171 tightly attached to the first electrode layer 160, and prevent the dense layer 171 from falling off and losing its protection effect.
In other embodiments of the present disclosure, the first protection layer 170 may include a mixed layer, the mixed layer is a dense film layer with a strong adhesion force formed by mixing the silicon-based adhesion material and the hydrocarbon polymer, the film layer may be directly adhered to the first electrode layer 160 to achieve close adhesion with the first electrode layer 160, and the film layer is a dense film layer to prevent external moisture from entering the first electrode layer 160, and meanwhile, the high impedance of the film layer itself may also play a role of preventing static electricity.
The mixed layer only needs to be coated once after the first electrode layer 160 is formed in the processing process, the process is simple and easy, and the situation of material waste can not occur.
In the embodiment of the present invention, the silicon-based adhesion material includes silicon nitride, such as silicon nitride, etc., which is greater than 50% by weight, so as to ensure sufficient adhesion of the passivation layer and prevent the first electrode layer 160 from being unprotected due to peeling off of the passivation layer. Meanwhile, the silicon nitride also has a certain anticorrosion effect and serves as an inorganic nonmetal compound, and the silicon nitride also has a certain insulating property and can increase the insulating property.
The proportion of the polymer of the poly-hydrocarbon high molecular material including methylcyclohexane is more than 20% to ensure that the protective layer can form a compact film layer and has larger impedance, thereby ensuring that the protective layer has enough waterproof and antistatic performances.
The two materials have stable physical and chemical properties, one is an inorganic nonmetallic compound, the other is an organic macromolecular compound, the two materials are mixed together and cannot generate chemical reaction, and the characteristics of the fusion material are stable. And both materials do not contain metal elements, so that parasitic capacitance cannot be generated to generate interference on an internal electric field.
In some embodiments of the present application, the thickness of the first protection layer 170 is between 800 angstroms and 1200 angstroms, if the thickness of the first protection layer 170 is less than 800 angstroms, the waterproof performance is insufficient, and if the thickness is more than 1200 angstroms, the whole panel is too thick.
In some embodiments of the present disclosure, the first protection layer 170 is further attached to the sealant 300 to form a dense barrier at the joint of the sealant 300, so as to reduce the amount of water vapor entering the display panel 20 through the joint of the sealant 300 and the first substrate 100, and improve the waterproof and dustproof performance of the sealant 300. Meanwhile, the width of the sealant 300 can be correspondingly shortened, and the width of the frame of the display panel 20 can be further narrowed, so as to realize a narrow frame.
The second substrate 200 includes a second substrate layer 210, a matrix layer 220, a second electrode layer 230, a second protective layer 240, and a second alignment film layer 250. The second substrate layer 210 is disposed on the outermost side of the second substrate 200, and is a flat plate for supporting each film layer on the second substrate 200. The matrix layer 220 is disposed on a side of the substrate layer facing the first substrate 100, and is generally made of black non-reflective material, and is disposed corresponding to each metal layer and/or other film layers capable of reflecting light, so as to shield each metal layer and the reflective layer, thereby preventing the display panel 20 from affecting the display effect due to film reflection in the black screen state. The second electrode layer 230 is disposed on a side of the matrix layer 220 away from the second substrate layer 210, and is a common electrode layer of the second substrate 200. The second alignment film layer 250 is disposed on a side of the second electrode layer 230 facing away from the second substrate layer 210, and is also made of Polyimide (PI), and cooperates with the first alignment film to enable uniform alignment and orientation of the liquid crystal molecules at the microscopic level.
The second passivation layer 240 is disposed between the second electrode layer 230 and the second alignment film layer 250, i.e. the side of the second electrode layer 230 away from the second substrate layer 210, and covers the second electrode layer 230, and the second passivation layer 240 is made by mixing the silicon-based adhesion material and the hydrocarbon-based polymer material. In this embodiment, the second protection layer 240 can block the external water vapor that enters the inside through the sealant 300 along the edge of the display panel 20, so that the water vapor cannot enter the second electrode layer 230, and the second electrode layer 230 is protected from corrosion, thereby solving the technical problem that the exposed metal of the display area is corroded because the external water vapor enters the inside through the sealant 300 along the edge of the display panel 20 in the prior art. Meanwhile, after the first protective layer 170 is covered, the width of the sealant 300 for bonding the two oppositely disposed substrates together can be correspondingly reduced, and the width of the frame of the display panel 20 can be further narrowed, so as to realize a narrow frame.
In some embodiments of the present disclosure, the second protection layer 240 is further attached to the sealant 300 to form a dense barrier at the joint of the sealant 300, so as to reduce the amount of water vapor entering the display panel 20 through the joint of the sealant 300 and the second substrate 200, and improve the waterproof and dustproof performance of the sealant 300. Meanwhile, the width of the sealant 300 can be correspondingly shortened, and the width of the frame of the display panel 20 can be further narrowed, so as to realize a narrow frame.
The display device and the display panel thereof provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the description of the embodiments above is 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, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. The utility model provides a display panel, display panel includes first base plate, second base plate and frame glue, first base plate with the second base plate sets up relatively, frame glue set up in between first base plate and the second base plate, will first base plate and second base plate connect, its characterized in that, first base plate includes:
the first substrate layer is positioned at the outermost side of the first substrate;
the first electrode layer is arranged on one side, facing the second substrate, of the first substrate layer;
the first protective layer is arranged on one side, away from the first substrate layer, of the first electrode layer and covers the first electrode layer, and the first protective layer is made of a silicon-based adhesion material and a hydrocarbon polymer material in a mixed mode.
2. The display panel of claim 1, wherein the first protective layer is attached to the sealant.
3. The display panel according to claim 1, wherein the second substrate comprises:
the second substrate layer is arranged on the outermost side of the second substrate;
the second electrode layer is arranged on one side, facing the first substrate, of the substrate layer;
the second protective layer is arranged on one side, away from the second substrate layer, of the second electrode layer and covers the second electrode layer, and the second protective layer is made of the silicon-based adhesion material and the polyolefin polymer material in a mixed mode.
4. The display panel according to claim 3, wherein the second protective layer is attached to the sealant.
5. The display panel of any of claims 1-4, wherein the silicon based adhesive material is present in an amount greater than 50%.
6. The display panel of claim 5, wherein the silicon based adhesion material comprises a nitride of silicon.
7. A display panel as claimed in any one of claims 1 to 4, characterized in that the proportion of the polymeric hydrocarbon polymer material is more than 20%.
8. The display panel of claim 7, wherein the polymeric hydrocarbon-based polymeric material comprises a polymer of methylcyclohexane.
9. The display panel of claim 1, wherein the protective layer has a thickness between 800 angstroms and 1200 angstroms.
10. A display device, comprising:
a housing;
the display panel of any one of claims 1 to 9, mounted within the housing.
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| CN202210347086.XA CN114594635B (en) | 2022-04-01 | 2022-04-01 | Display device and display panel thereof |
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| CN202210347086.XA CN114594635B (en) | 2022-04-01 | 2022-04-01 | Display device and display panel thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114895497A (en) * | 2022-06-30 | 2022-08-12 | Tcl华星光电技术有限公司 | Liquid crystal display panel and display device |
| CN115145080A (en) * | 2022-07-28 | 2022-10-04 | 北京京东方光电科技有限公司 | Display panel, manufacturing method thereof and display device |
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