CN108134014A - Display module and display device - Google Patents
Display module and display device Download PDFInfo
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- CN108134014A CN108134014A CN201810071983.6A CN201810071983A CN108134014A CN 108134014 A CN108134014 A CN 108134014A CN 201810071983 A CN201810071983 A CN 201810071983A CN 108134014 A CN108134014 A CN 108134014A
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- display module
- metal screen
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- display panel
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- 239000002184 metal Substances 0.000 claims abstract description 85
- 229910052751 metal Inorganic materials 0.000 claims abstract description 85
- 230000003064 anti-oxidating effect Effects 0.000 claims abstract description 45
- 239000010410 layer Substances 0.000 claims description 212
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 44
- 239000010439 graphite Substances 0.000 claims description 44
- 229910002804 graphite Inorganic materials 0.000 claims description 44
- 229920000742 Cotton Polymers 0.000 claims description 30
- 230000004888 barrier function Effects 0.000 claims description 17
- 239000010409 thin film Substances 0.000 claims description 16
- 239000002390 adhesive tape Substances 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 11
- 239000002346 layers by function Substances 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000011889 copper foil Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 239000004642 Polyimide Substances 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 35
- 230000017525 heat dissipation Effects 0.000 abstract description 15
- 238000007254 oxidation reaction Methods 0.000 abstract description 7
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 19
- 229910052760 oxygen Inorganic materials 0.000 description 19
- 239000001301 oxygen Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000010408 film Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000011368 organic material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 230000009545 invasion Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- -1 wherein Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003026 anti-oxygenic effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/87—Arrangements for heating or cooling
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses a kind of display module and display device, is related to display technology field, wherein, display module includes：Display panel, metal screen layer and anti oxidation layer, the metal screen layer is between the display panel and the anti oxidation layer；The anti oxidation layer is covered in surface of the metal screen layer far from the display panel, and the thickness of the anti oxidation layer is D1,10 μm≤D1≤20 μm.It is so designed that, anti oxidation layer can effectively tissue metal shielded layer occur oxidation corrosion the phenomenon that, metal screen layer can play the role of radiating well to display panel and electromagnetic shielding, fundamentally solves the problems, such as display module heat dissipation effect difference and is difficult to effectively obstruct electromagnetic signal interference.
Description
Technical field
This application involves display technology field, specifically, being related to a kind of display module and display device.
Background technology
In recent years, organic electroluminescence device (OLED, Organic Light-Emitting Diode) has become sea
Inside and outside very popular Flat Panel Display Industry is called follow-on " star " flat panel display, this is primarily due to
OLED is with self-luminous, wide viewing angle, the reaction time is fast, luminous efficiency is high, plate thickness is thin, can make large scale and bendable
The features such as panel, processing procedure are simple, low cost.
Compared to liquid crystal display (LCD, Liquid Crystal Display), OLED display modules need not set backlight
Module can be realized luminous, and due to being not provided with backlight module, OLED display modules are highly prone to the interference of external electromagnetic signal, and
And calorific value is larger during the work time due to OLED, it is easy to it is excessively high and influence OLED display modules just local temperature occur
Often work, reduces the service life.Although copper foil can be set to be done to be radiated and shield electromagnetic signal in OLED display modules
It disturbs, but since copper foil does not tolerate high temperature, and contact with extraneous water oxygen and easily corrode, still can not fundamentally solve
The problem of OLED display module heat dissipation effect differences are with being difficult to effectively obstruct electromagnetic signal interference.
Invention content
In view of this, technical problems to be solved in this application are to provide a kind of display module and display device, are showing
Effectively tissue metal shielded layer oxidation corrosion can occur for the side setting metal screen layer and anti oxidation layer of panel, anti oxidation layer
The phenomenon that, metal screen layer can play the role of radiating well to display panel and electromagnetic shielding, fundamentally solves
The problem of display module heat dissipation effect difference is with being difficult to effectively obstruct electromagnetic signal interference.
In order to solve the above-mentioned technical problem, the application has following technical solution：
In a first aspect, the application provides a kind of display module, including display panel, metal screen layer and anti oxidation layer, gold
Belong to shielded layer between display panel and anti oxidation layer；
Anti oxidation layer is covered in surface of the metal screen layer far from display panel, and the thickness of anti oxidation layer is D1,10 μm≤
D1≤20μm。
Optionally,
Anti oxidation layer includes polyimides.
Optionally,
Display module further includes the foamed cotton layer set gradually and graphite linings, and foamed cotton layer is attached at display panel far from light emission side
Surface, graphite linings are between foamed cotton layer and metal screen layer.
Optionally,
Anti oxidation layer is distributed in surface of the metal screen layer far from graphite linings by way of coating.
Optionally,
Foamed cotton layer is attached to surface of the display panel far from light emission side by adhesive glue.
Optionally,
Foamed cotton layer, graphite linings, the overall thickness of metal screen layer and adhesive glue are D2, D2≤300 μm.
Optionally,
Metal screen layer includes copper foil, goldleaf.
Optionally,
The thickness of metal screen layer be D3, D3 >=36 μm.
Optionally,
Graphite linings include barrier layer and graphite, barrier layer closing structure annular in shape, and graphite is located at the area that barrier layer is limited
Domain.
Optionally,
Barrier layer includes double faced adhesive tape, and the first face and the foamed cotton layer of double faced adhesive tape bond, the second face of double faced adhesive tape and metallic shield
Layer bonds.
Optionally,
Display panel includes the underlay substrate, thin film transistor array layer, light emitting functional layer and the thin-film package that set gradually
Layer, thin-film encapsulation layer are covered in the side that light emitting functional layer deviates from underlay substrate；
Metal screen layer is arranged on side of the underlay substrate far from thin film transistor array layer.
Second aspect, the application provides a kind of display device, and including display module, which is provided herein
Display module.
Compared with prior art, display module and display device described herein, have reached following effect：
In display module and display device provided herein, display module includes the display panel, the gold that set gradually
Belong to shielded layer and anti oxidation layer, wherein, metal screen layer is set close to display panel, when display panel generates during the work time
During heat, metal screen layer can export heat in time, and good cooling effect is played to display panel；When the external world has electricity
When magnetic signal interferes, metal screen layer also is able to shield electromagnetic signal, effectively avoids electromagnetic signal to display panel
Normal work impacts.Particularly, anti oxidation layer is set in metallic shield layer surface, it can be by metal screen layer and the external world
Moisture and oxygen isolation, avoid the invasion due to water oxygen and so that metal screen layer occurs oxidation and corrodes, so that metal
Shielded layer can reliably play heat dissipation and stop the effect of electromagnetic signal interference, so as to be conducive to promote display module and display
The display effect of device, and be conducive to extend the service life of display module and display device.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen
Illustrative embodiments and their description please do not form the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 show a kind of vertical view for the display module that the embodiment of the present application is provided；
Fig. 2 show a kind of Section A-A figure for the display module that the embodiment of the present application is provided；
Fig. 3 show another Section A-A figure for the display module that the embodiment of the present application is provided；
Fig. 4 show another the Section A-A figure for the display module that the embodiment of the present application is provided；
Fig. 5 show another the Section A-A figure for the display module that the embodiment of the present application is provided；
Fig. 6 show a kind of vertical view of graphite linings in the display module that the embodiment of the present application is provided；
Fig. 7 show a kind of sectional view of display panel in the display module that the embodiment of the present application is provided；
Fig. 8 show a kind of structure diagram for the display device that the embodiment of the present application is provided.
Specific embodiment
Some vocabulary has such as been used to censure specific components in specification and claim.Those skilled in the art should
It is understood that hardware manufacturer may call same component with different nouns.This specification and claims are not with name
The difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer in acceptable error range, those skilled in the art can be described within a certain error range solution
Technical problem basically reaches the technique effect.In addition, " coupling " word is herein comprising any direct and indirect electric property coupling
Means.Therefore, if it is described herein that a first device is coupled to a second device, then representing the first device can directly electrical coupling
It is connected to the second device or the indirectly electrically coupled through other devices or coupling means second device.Specification
Subsequent descriptions be implement the application better embodiment, so it is described description be for the purpose of the rule for illustrating the application,
It is not limited to scope of the present application.The protection domain of the application is when subject to appended claims institute defender.
Due to being not provided with backlight module in OLED display modules of the prior art, OLED display modules are highly prone to the external world
The interference of electromagnetic signal, and calorific value is larger during the work time due to OLED, it is easy to occur that local temperature is excessively high and shadow
The normal work of OLED display modules is rung, is reduced the service life.Although can copper foil be set in OLED display modules to be dissipated
Heat and shielding electromagnetic signal interference, but since copper foil does not tolerate high temperature, and contact with extraneous water oxygen and easily corrode, still
It can not fundamentally solve the problems, such as OLED display module heat dissipation effect differences and be difficult to effectively obstruct electromagnetic signal interference.
In view of this, apply the technical problem to be solved is that a kind of display module and display device is provided, in display surface
Effectively tissue metal shielded layer oxidation corrosion can occur for the side setting metal screen layer and anti oxidation layer of plate, anti oxidation layer
Phenomenon, metal screen layer can play the role of radiating well to display panel and electromagnetic shielding, fundamentally solves aobvious
The problem of showing module heat dissipation effect difference and being difficult to effectively obstruct electromagnetic signal interference.
First, Fig. 1 and Fig. 2 are referred to, one kind of the display module shown in Figure 1 provided by the embodiment of the present application is bowed
View, Fig. 2 show a kind of Section A-A figure for the display module that the embodiment of the present application is provided, referring to Fig. 1 and Fig. 2, the application
The display module 100 that embodiment is provided, including display panel 10, metal screen layer 20 and anti oxidation layer 30, metal screen layer
20 between display panel 10 and anti oxidation layer 30；
Anti oxidation layer 30 is covered in surface of the metal screen layer 20 far from display panel 10, and the thickness of anti oxidation layer 30 is
D1,10 μm≤D1≤20 μm.
Specifically, Fig. 1 is referred to, the display module 100 that the embodiment of the present application is provided is provided with viewing area 11 and surrounds
The non-display area 12 that viewing area 11 is set, in 100 course of work of display module, viewing area 11 plays display effect, non-display
Area 12 is provided with driving circuit etc..Referring to Fig. 2, which includes the display panel 10, the metal screen layer that set gradually
20 and anti oxidation layer 30, wherein, metal screen layer 20 is set close to display panel 10, when display panel 10 produces during the work time
During heat amount, metal screen layer 20 can export heat in time, and good cooling effect is played to display panel 10；Work as the external world
There are during electromagnetic signal interference, metal screen layer 20 also is able to shield electromagnetic signal, effectively avoids electromagnetic signal to aobvious
Show that the normal work of panel 10 impacts.Particularly, in the display module 100 that the embodiment of the present application is provided, in metal screen
Cover 20 surface of layer setting anti oxidation layer 30, the anti oxidation layer 30 can by metal screen layer 20 and extraneous moisture and oxygen every
From, avoid the invasion due to water oxygen and so that metal screen layer 20 occurs oxidation reaction and corrodes, so that metal screen layer
20 can reliably play heat dissipation and stop the effect of electromagnetic signal interference, so as to be conducive to promote the display of display module 100
Effect, while and be conducive to extend display module 100 service life.In addition, the embodiment of the present application is by the thickness of anti oxidation layer 30
Degree be designed as 10 μm≤D1≤20 μm, it is contemplated that the embodiment of the present application introduce anti oxidation layer 30 be to play by external environment with
The effect that metal screen layer 20 is obstructed prevents the water oxygen in external environment to be in contact with metal screen layer 20, works as antioxygen
Change layer 30 thickness it is too thin when, such as during 10 μm of D1 ＜, water oxygen barriering effect will weaken to a certain extent, when D1=10 μm
When, anti oxidation layer 30 can promote the barriering effect of external environment, and with the increase of 30 thickness of anti oxidation layer, water oxygen barrier
Effect is better, when thickness increase to a certain extent when, such as when reaching 20 μm, can achieve the effect that obstruct water oxygen completely,
Considering further that the slimming demand of display module 100, the thickness of antioxidant coating 30 cannot be too big in the embodiment of the present application, but
Design is in the range of no more than 20 μm, and the thickness of anti oxidation layer 30 is designed as 10 μm≤D1≤20 μm in the embodiment of the present application,
Both the integral thickness of display module 100 will not be impacted, and met the slimming demand of display module, moreover it is possible to effectively play resistance
Every the effect of outside moisture and oxygen.
Optionally, continuing with referring to Fig. 2, in the display module 100 which is provided, anti oxidation layer 30 includes polyamides
Imines.Polyimides (abbreviation of PI, Polyimide) is one of best high-molecular organic material of comprehensive performance, and high temperature resistant reaches
400 ° or more, there is high insulating property and high antioxygenic property, the embodiment of the present application using polyimides as anti oxidation layer 30,
Metal screen layer 20 and moisture can be avoided effectively by the metal screen layer 20 in the application and extraneous moisture and oxygen-barrier
The phenomenon that chemical reaction occurs and corrodes is contacted with oxygen, so as to ensure that metal screen layer 20 reliably plays heat dissipation
It with the effect that electromagnetic signal is prevented to interfere, is more advantageous to being promoted the display effect of display module 100, and is conducive to extend and shows mould
The service life of group 100.
Certainly, except using polyimides as the embodiment of the present application in anti oxidation layer 30 constituent material in addition to, also can be used
The material that other chemical property are stablized is as anti oxidation layer 30, such as ink etc., and ink chemistry property is stablized, in acid, alkali, moisture
Under the action of the substances such as oxygen, property will not change, thus equally can effectively avoid metal screen layer 20 with
The phenomenon that moisture and oxygen contact occur chemical reaction and corrode, so as to ensure that metal screen layer 20 reliably plays
Heat dissipation and the effect that electromagnetic signal is prevented to interfere.
Optionally, Fig. 3 show another Section A-A figure for the display module that the embodiment of the present application is provided, referring to figure
3, display module 100 further includes the foamed cotton layer 40 set gradually and graphite linings 50, and it is separate that foamed cotton layer 40 is attached at display panel 10
The surface of light emission side, graphite linings 50 are between foamed cotton layer 40 and metal screen layer 20.
Specifically, it is remote in display panel 10 in the display module 100 that the embodiment of the present application is provided continuing with referring to Fig. 3
Surface from light emission side is provided with foamed cotton layer 40, and graphite linings 50 are provided between foamed cotton layer 40 and metal screen layer 20.Wherein,
40 elasticity of foamed cotton layer is higher and light-weight, is a kind of excellent padded coaming, can play certain cushioning effect, when display mould
When group 100 is acted on by external force, the cushioning effect of foamed cotton layer 40 can reduce impact of the external force to display panel 10, so as to aobvious
Show that panel 10 plays the role of protection；In addition, the graphite linings 50 set between foamed cotton layer 40 and metal screen layer 20, graphite
Layer 50 has the characteristics that high temperature resistant, anti-oxidant, corrosion-resistant, display panel 10 can be produced in 10 course of work of display panel
Raw heat plays the role of heat dissipation and soaking, effectively avoids 100 local temperature of display module is excessively high from influencing its normal work, also
Be conducive to extend the service life of display panel 10；Meanwhile metal screen layer 20 can play shielding external electromagnetic signal interference
Effect, while can also play certain cooling effect.
Optionally, in the display module 100 that the embodiment of the present application is provided, anti oxidation layer 30 is distributed by way of coating
On surface of the metal screen layer 20 far from graphite linings 50.Metal screen layer 20 is completed on surface of the display panel 10 far from light emission side
Making after, the coating of anti oxidation layer 30, coating are directly carried out on surface of the metal screen layer 20 far from display panel 10
Material texture can be ink, PI films etc..The making of anti oxidation layer 30 is completed by way of coating, can make to be formed anti-oxidant
30 thickness of layer are uniform, preferably play the role of that extraneous moisture and air is prevented to contact with metal screen layer 20, to metal screen
It covers layer 20 and air moisture has carried out reliable isolation, metal screen layer 20 is avoided to be contacted with water oxygen and oxidation even corrosion occurs
Phenomenon enables metal screen layer 20 to give full play to the effect of shielding and heat dissipation.Certainly, except using coating by the way of form antioxygen
Change outside layer 30, any other feasible mode, such as spraying etc. also can be used, the application is not especially limited this.
Optionally, Fig. 4 is referred to, Fig. 4 show another A-A for the display module 100 that the embodiment of the present application is provided
Sectional view, foamed cotton layer 40 are attached to surface of the display panel 10 far from light emission side by adhesive glue 60.In embodiment illustrated in fig. 4,
Foamed cotton layer 40, graphite 52, metal screen layer 20 and anti oxidation layer 30 pass through as a kind of global facility similar to compound adhesive tape
The side of foamed cotton layer 40 is attached to surface of the display panel 10 far from light emission side by adhesive glue 60.When display panel 10 is worked
When heat is generated in journey, the heat of generation will be conducted by adhesive glue 60 and foamed cotton layer 40 to graphite linings 50 and metal screen layer
20, the heat of generation is absorbed by graphite linings 50 and metal screen layer 20, graphite 52 can also play the role of soaking, keep away
Exempting from display panel 10, local temperature occur excessively high and influence normal display.
Optionally, continuing with referring to Fig. 4, foamed cotton layer 40, graphite linings 50, the overall thickness of metal screen layer 20 and adhesive glue 60
For D2, D2≤300 μm.By taking Fig. 4 illustrated embodiments as an example, it is bonded in adhesive glue of the display panel 10 far from light extraction side surface
60th, foamed cotton layer 40, graphite linings 50 and metal screen layer 20 are used as an entirety, and overall thickness is less than or equal to 300 μm, by such thickness
Whole compound adhesive tape be placed in display panel 10 deviate from light emission side surface, the integral thickness of display module 100 will not be caused
Larger impact, while buffering, heat dissipation, soaking and shielding electromagnetic signal interference can also be played the role of to display panel 10, have
Conducive to the display effect for promoting display module 100.
Optionally, the metal screen layer 20 in the embodiment of the present application includes copper foil, goldleaf.Copper foil and goldleaf have good
Heat conductivility, moreover it is possible to preferable shielding action be played to electromagnetic signal interference, certainly in addition to using copper foil and goldleaf, also can be used
The metal screen layer 20 of other heat conduction and shielding material as the application, such as the materials such as lead, steel, the application to this without
It is specific to limit.
Optionally, the thickness of metal screen layer 20 be D3, D3 >=36 μm.When display panel 10 generates heat during the work time
During amount, to ensure that metal screen layer 20 can play the effect of heat dissipation well, while also ensure that metal screen layer 20 can be right
Extraneous electromagnetic signal interference plays good shielding action, therefore the thickness of metal screen layer 20 is arranged on 36 μm by the application
More than, and metal screen layer 20 and adhesive glue 60, foamed cotton layer 40, graphite linings 50 overall thickness be no more than 300 μm, such as graphite
The thickness of layer 50 can be 40 μm, the overall thickness of foamed cotton layer 40 and glue line 60 is 0.09 μm, and the application is to this without specific
It limits.
Optionally, Fig. 5 show another the Section A-A figure for the display module 100 that the embodiment of the present application is provided, Fig. 6
A kind of vertical view of graphite linings 50 in the display module 100 that the embodiment of the present application is provided is shown, referring to Fig. 5 and Fig. 6, graphite
Layer 50 includes barrier layer 51 and graphite 52,51 closing structure annular in shape of barrier layer, and graphite 52 is located at the area that barrier layer 51 is limited
Domain.
Specifically, since graphite 52 has very strong heat conductivility, heat conductivility is better than the metal materials such as steel, patch, lead,
Using graphite 52 as heat-conducting in the application graphite linings 50, the heat that display panel 10 can be generated during the work time
It conducts at the first time, display panel 10 is avoided the phenomenon that local temperature is excessively high occur.Further, since graphite 52 is powdered
, the application surrounds a limited area using barrier layer 51, and graphite 52 is placed in the limited area, powdered graphite 52
In the heat for being absorbed into the generation of display panel 10, other powdery graphites in limited area can be conducted heat to rapidly
52, heat is made to be conducted rapidly, avoids the heat that display panel 10 generates during the work time when long on display panel 10
Between assemble, can spread at the first time, avoid display panel 10 to the full extent and go out since local temperature is excessively high
The phenomenon that now can not normally showing or reduce display effect.
It should be noted that in view of display panel 10, heat caused by its viewing area 11 is far above during the work time
Non-display area 12, therefore, in actual application, above-mentioned circle barrier layer 51 can be placed in the non-display area 12 of display panel 10
Corresponding region, graphite 52 may be provided at the region corresponding to the viewing area 11 of display panel 10, when viewing area 11 generates heat
During amount, graphite 52 can play the role of heat dissipation at the first time.
Optionally, barrier layer 51 includes double faced adhesive tape, and the first face and the foamed cotton layer 40 of double faced adhesive tape bond, the second face of double faced adhesive tape
It is bonded with metal screen layer 20.
As a kind of alternative embodiment of the application, the form that double faced adhesive tape can be used in the barrier layer 51 in graphite linings 50 is real
It is existing, foamed cotton layer 40 and metal screen layer 20 so by double faced adhesive tape can be respectively attached to the both sides of graphite linings 50 simultaneously, used
When double faced adhesive tape is as barrier layer 51, avoids and be re-introduced into two layers of adhesive layer on the basis of existing graphite linings 50 to paste foamed cotton layer
40 and metal screen layer 20, so as to be conducive to reduce the integral thickness of display module 100, meet the slimming of display module 100
Demand.
Optionally, Fig. 7 show a kind of section of display panel 10 in the display module 100 that the embodiment of the present application is provided
Figure, referring to Fig. 7, display panel 10 includes the underlay substrate 101 set gradually, thin film transistor array layer 21, light emitting functional layer
22 and thin-film encapsulation layer 23, thin-film encapsulation layer 23 is covered in the side that light emitting functional layer 22 deviates from underlay substrate 101；
Metal screen layer 20 is arranged on side of the underlay substrate 101 far from thin film transistor array layer.
Specifically, Fig. 7 is referred to, light emitting functional layer 22 includes the anode layer 221, the organic light emitting material that set gradually
222 and cathode layer 223, the drain electrode and the anode in light emitting functional layer 22 of the thin film transistor (TFT) in thin film transistor array layer 21
Layer 221 is electrically connected, and thin film transistor (TFT) controls light emitting functional layer 22 by its drain electrode.Luminescent layer 222 can be by low point
Son amount organic material or high molecular weight organic materials are formed, and luminescent layer 222 includes organic emission layer, and can also include hole
At least one of implanted layer (HIL), hole transmission layer (HTL), electron transfer layer (ETL) and electron injecting layer (EIL).Film
After transistor turns, outside under alive driving, hole and electronics have been injected into respectively from anode layer 221 and cathode layer 223
In machine luminous material layer 222, hole and electronics meet in organic light emitting material 222, are compound, give off energy, and then will
Energy transmission makes it from ground state transition to excitation state to the molecule of organic luminescent substance in luminous organic material.Excitation state is very not
Stablize, excited molecule returns to ground state from excitation state, and radiation transistion generates luminescence phenomenon, can be by organic based on this luminescence phenomenon
Light emitting diode realizes the display of picture.Certainly, the light emitting functional layer 22 in the application can also include other in the prior art
Film layer, repeat no more in this explanation.
As a kind of alternative embodiment of the application, the thin-film encapsulation layer 23 in Fig. 7 may include the first nothing set gradually
Machine film layer 231, the first organic film 232 and the second inorganic film 233, the first inorganic film 231 and the second inorganic film 233 have
Standby high compactness can effectively obstruct water oxygen, prevent moisture and oxygen enters in light emitting functional layer 22 that influence light emitting functional layer normal
It plays a role, is conducive to extend the service life of display module, and the first organic film 232 has high resiliency, can be used as buffering
Layer effectively inhibits inorganic film cracking.
Based on same inventive concept, the embodiment of the present application also provides a kind of display device 200, is shown referring to Fig. 8, Fig. 8
A kind of structure diagram for the display device 200 that the embodiment of the present application is provided, the display device 200 include display module 100,
The above-mentioned display module 100 that wherein display module 100 is provided by the embodiment of the present application.The display that the embodiment of the present application is provided
Device 200 for example can be：Mobile phone, tablet computer, television set, display, laptop, Digital Frame, navigator etc. are appointed
What has the product or component of real function.The embodiment of display device 200 can be found in above-mentioned display panel 10 in the application
Embodiment, repeating part, details are not described herein again.
By the above various embodiments it is found that advantageous effect is existing for the application：
In display module and display device provided herein, display module includes the display panel, the gold that set gradually
Belong to shielded layer and anti oxidation layer, wherein, metal screen layer is set close to display panel, when display panel generates during the work time
During heat, metal screen layer can export heat in time, and good cooling effect is played to display panel；When the external world has electricity
When magnetic signal interferes, metal screen layer also is able to shield electromagnetic signal, effectively avoids electromagnetic signal to display panel
Normal work impacts.Particularly, anti oxidation layer is set in metallic shield layer surface, it can be by metal screen layer and the external world
Moisture and oxygen isolation, avoid the invasion due to water oxygen and so that metal screen layer occurs oxidation and corrodes, so that metal
Shielded layer can reliably play heat dissipation and stop the effect of electromagnetic signal interference, so as to be conducive to promote display module and display
The display effect of device, and be conducive to extend the service life of display module and display device.
Several preferred embodiments of the application have shown and described in above description, but as previously described, it should be understood that the application
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in the scope of the invention is set forth herein
It is modified.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in this Shen
It please be in the protection domain of appended claims.
Claims (12)
1. a kind of display module, which is characterized in that including：Display panel, metal screen layer and anti oxidation layer, the metallic shield
Layer is between the display panel and the anti oxidation layer；
The anti oxidation layer is covered in surface of the metal screen layer far from the display panel, the thickness of the anti oxidation layer
For D1,10 μm≤D1≤20 μm.
2. display module according to claim 1, which is characterized in that the anti oxidation layer includes polyimides.
3. display module according to claim 1, which is characterized in that the display module further includes the foam set gradually
Layer and graphite linings, the foamed cotton layer are attached at surface of the display panel far from light emission side, and the graphite linings are located at the bubble
Between cotton layer and the metal screen layer.
4. display module according to claim 3, which is characterized in that the anti oxidation layer is distributed in by way of coating
Surface of the metal screen layer far from the graphite linings.
5. display module according to claim 3, which is characterized in that the foamed cotton layer is attached to described aobvious by adhesive glue
Show surface of the panel far from light emission side.
6. display module according to claim 5, which is characterized in that the foamed cotton layer, the graphite linings, the metal screen
The overall thickness for covering layer and the adhesive glue is D2, D2≤300 μm.
7. display module according to claim 6, which is characterized in that the metal screen layer includes copper foil, goldleaf.
8. display module according to claim 7, which is characterized in that the thickness of the metal screen layer is D3, the μ of D3 >=36
m。
9. display module according to claim 3, which is characterized in that the graphite linings include barrier layer and graphite, described
Barrier layer closing structure annular in shape, the graphite are located at the region that the barrier layer is limited.
10. display module according to claim 9, which is characterized in that the barrier layer includes double faced adhesive tape, the double faced adhesive tape
The first face and the foamed cotton layer bond, the second face and the metal screen layer of the double faced adhesive tape bond.
11. display module according to claim 1, which is characterized in that the display panel includes the substrate set gradually
Substrate, thin film transistor array layer, light emitting functional layer and thin-film encapsulation layer, the thin-film encapsulation layer are covered in the lighting function
Layer deviates from the side of the underlay substrate；
The metal screen layer is arranged on side of the underlay substrate far from the thin film transistor array layer.
12. a kind of display device, which is characterized in that including display module, the display module is any for claim 1 to 11
The display module.
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| CN201810071983.6A CN108134014B (en) | 2018-01-25 | 2018-01-25 | Display module and display device |
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| CN201810071983.6A CN108134014B (en) | 2018-01-25 | 2018-01-25 | Display module and display device |
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| CN108134014B CN108134014B (en) | 2020-01-21 |
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| CN205912424U (en) * | 2016-06-27 | 2017-01-25 | 邦铨企业有限公司 | Electromagnetic wave shielding film of utensil thermal diffusivity |
| CN206302629U (en) * | 2016-12-22 | 2017-07-04 | 常州市双进电子有限公司 | Silver paste cross-line printed wiring board |
| CN206323642U (en) * | 2016-12-29 | 2017-07-11 | 苏州世沃电子科技有限公司 | A kind of FPC diaphragms |
| CN106997897A (en) * | 2017-04-19 | 2017-08-01 | 京东方科技集团股份有限公司 | Display device and its manufacture method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205912424U (en) * | 2016-06-27 | 2017-01-25 | 邦铨企业有限公司 | Electromagnetic wave shielding film of utensil thermal diffusivity |
| CN206302629U (en) * | 2016-12-22 | 2017-07-04 | 常州市双进电子有限公司 | Silver paste cross-line printed wiring board |
| CN206323642U (en) * | 2016-12-29 | 2017-07-11 | 苏州世沃电子科技有限公司 | A kind of FPC diaphragms |
| CN106997897A (en) * | 2017-04-19 | 2017-08-01 | 京东方科技集团股份有限公司 | Display device and its manufacture method |
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| CN108134014B (en) | 2020-01-21 |
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Effective date of registration: 20211018 Address after: No.8, liufangyuanheng Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430074 Patentee after: WUHAN TIANMA MICROELECTRONICS Co.,Ltd. Patentee after: Wuhan Tianma Microelectronics Co.,Ltd. Shanghai Branch Address before: Room 509, building 1, No. 6111, Longdong Avenue, Pudong New Area, Shanghai, 201201 Patentee before: SHANGHAI TIANMA AM-OLED Co.,Ltd. |