CN107819024A - Organic electroluminescence display panel and heat absorption fluid sealant - Google Patents
Organic electroluminescence display panel and heat absorption fluid sealant Download PDFInfo
- Publication number
- CN107819024A CN107819024A CN201711231018.2A CN201711231018A CN107819024A CN 107819024 A CN107819024 A CN 107819024A CN 201711231018 A CN201711231018 A CN 201711231018A CN 107819024 A CN107819024 A CN 107819024A
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- China
- Prior art keywords
- colloid
- heat absorption
- fluid sealant
- absorption fluid
- dopant material
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Classifications
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- 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
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses one kind heat absorption fluid sealant, including the colloid for sealing and the first dopant material being doped in the colloid, the colloid includes being used for the medial surface for being provided close to cavity to be packaged and the lateral surface for being disposed far from cavity side to be packaged, and the thermal conductivity factor of first dopant material is more than the colloid.The invention also discloses a kind of organic electroluminescence display panel.Due to the dopant material in heat absorption fluid sealant doped with heat conduction, when it is packaged in the organic luminous layer end of organic electroluminescence display panel, the effect of heat radiator can be played, organic luminous layer is reduced because overheating and caused loss, extends the service life of organic electroluminescence display panel.
Description
Technical field
The present invention relates to organic light emitting display technical field, more particularly to a kind of organic electroluminescence display panel and heat absorption sealing
Glue.
Background technology
Flexible OLED (Organic Light-Emitting Diode, i.e. Organic Light Emitting Diode) display gradually causes
Pay attention to, and be generally considered main flow display of future generation.But at present, some also be present and obvious lack in oled panel
Fall into, for example, its life-span is short much compared with LCD (Liquid Crystal Display, liquid crystal display) display, have a strong impact on
The application of oled panel.
OLED display is joined as a kind of New Type Display Devices, its luminous efficiency as the crucial of evaluation display performance
Number, in production application, manufacturer wishes to increase its luminous efficiency always, but with the lifting of luminous efficiency, and now
The reasons such as OLED electrical power lifting deficiency, the heat production of oled panel display is more, therefore, realizes the heat storage of panel itself
Reduction for lifted oled panel life-span it is helpful.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of organic electroluminescence display panel and heat absorption fluid sealant,
Heat absorption fluid sealant can play heat absorption, radiating effect well to oled panel, extend the service life of oled panel.
In order to realize above-mentioned purpose, present invention employs following technical scheme：
One kind heat absorption fluid sealant, including the colloid for sealing and the first dopant material being doped in the colloid, institute
Stating colloid includes being used for the medial surface for being provided close to cavity to be packaged and the lateral surface for being disposed far from cavity side to be packaged, institute
The thermal conductivity factor for stating the first dopant material is more than the colloid.
As one of which embodiment, first dopant material is metal.
As one of which embodiment, first dopant material includes metallic fiber, and the metallic fiber is close
The density of the lateral surface is more than the density close to the medial surface.
As one of which embodiment, from the medial surface to the lateral surface, the density of the metallic fiber is gradual
Increase.
Or first dopant material includes metallic particles.
As one of which embodiment, from the medial surface to the lateral surface, the density of the metallic particles is gradual
Increase.
As one of which embodiment, the colloid includes the sub- colloid layer that multilayer is bonded to each other, every layer of sub- glue
The material of the metallic particles in body layer is different, and from the medial surface to the lateral surface, adjacent two sub- glue
The specific heat capacity of the metallic particles in body layer gradually increases.
As one of which embodiment, from the medial surface to the lateral surface, the density of the metallic particles is gradual
Increase.
As one of which embodiment, described heat absorption fluid sealant also includes the second doping being doped in the colloid
Material, second dopant material are absorbent material.
Another object of the present invention is to provide a kind of organic electroluminescence display panel, including organic luminous layer and described suction
Glue is heated seal, the heat absorption sealant sealing is in the end of the organic luminous layer, and the medial surface is towards organic hair
Photosphere.
Doped with the dopant material of heat conduction in the heat absorption fluid sealant of the present invention, when it is packaged in organic electroluminescence display panel
During organic luminous layer end, the effect of heat radiator can be played, organic luminous layer is reduced because overheating and caused loss, prolongs
The service life of long organic electroluminescence display panel.
Brief description of the drawings
Fig. 1 is the structural representation of the organic electroluminescence display panel of the present invention；
Fig. 2 is the structural representation of the organic electroluminescence display panel of the embodiment of the present invention 1；
Fig. 3 is the structural representation of the organic electroluminescence display panel of the embodiment of the present invention 2.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Refering to Fig. 1, the end of the organic luminous layer 1 of organic electroluminescence display panel of the invention is packaged with heat absorption fluid sealant
10, the medial surface direction of the heat absorption fluid sealant 10 is simultaneously bonded the end of the surrounding of organic luminous layer 1, can be well by organic light emission
Heat absorption caused by layer 1 and towards giving out on the outside of organic electroluminescence display panel, so as to reduce organic luminous layer because overheat
And caused loss, extend the service life of organic electroluminescence display panel.
Generally, the organic electroluminescence display panel is mainly including the TFT on flexible PI (polyimides) substrate 3, PI substrates 3
Device layer 2, the top of TFT device layers 2 organic luminous layer 1 and organic luminous layer 1 is packaged in the thin-film package on PI substrates 3
Layer 4, the top of thin-film encapsulation layer 4 can also have touch control layer 5 and be covered in the polaroid 6 on the surface of touch control layer 5, the bottom of PI substrates 3
Portion can also have backboard 7 and carry the center 8 of backboard 7, and PI substrates 3 are bonded with backboard 7 to ensure certain toughness, TFT
The surface of device layer 2 can also bind chip on film (COF) 2a, and by the way that the COF and FPC (FPC) 2b is bound to pass
Defeated drive signal.Heat seal glue 10 can be packaged in the surrounding of organic luminous layer 1, thin-film encapsulation layer 4 and touch control layer 5 simultaneously, simultaneously
Play a part of protection and radiating.
Embodiment 1
As shown in Fig. 2 the heat absorption fluid sealant 10 of the present embodiment includes the colloid 11 for sealing and is doped in colloid 11
The first dopant material, colloid 11 include be used for be provided close to the medial surface of cavity to be packaged and for being disposed far from chamber to be packaged
The lateral surface on side, wherein, the thermal conductivity factor of first dopant material is more than colloid 11.
In the present embodiment, the first dopant material is the good metallic fiber 12 of thermal conductivity, for example, the material of metallic fiber 12 can
To be Ag or Cu etc..Also, metallic fiber 12 is more than the density close to medial surface in the density close to lateral surface.Therefore, absorb heat
The heat absorption capacity of the lateral surface of fluid sealant 10 is more than medial surface so that side where heat from the heat absorption medial surface of fluid sealant 10 is constantly outside
Portion spreads, and after it is applied to organic electroluminescence display panel, heat caused by organic luminous layer 1 can be continuously by introversion
It is outer to be given out.
As one of which embodiment, from the medial surface of colloid 11 to lateral surface, the density of metallic fiber 12 gradually increases
Greatly, i.e. the heat absorption capacity of heat absorption fluid sealant 10 gradually increases from inside to outside, in the incremental trend of ladder degree so that heat absorption fluid sealant
10 radiating effect is especially apparent.Colloid 11 can be packaging plastic, primarily serve the effect of sealing, at the same have concurrently prevent steam,
The protective effect of the entrance such as air.
Furthermore, it is contemplated that steam may be produced in the radiation processes of organic luminous layer 1 in organic electroluminescence display panel, and
There may be few steam to enter outside colloid 11 in organic electroluminescence display panel, the present embodiment is also in the colloid 11 doped with the
Two dopant materials, second dopant material is absorbent material, as shown in Fig. 2 the second dopant material is in the form of water-absorption particle 13
It is scattered in colloid 11.The water-absorption particle 13 can be polyacrylate, polyvinyl alcohol, acetate ethylene copolymer class etc.,
Preferably polyacrylate super absorbent resin, the material are white or emblem yellow, nonpoisonous and tasteless neutral little particle, are absorbed water
Excellent effect.
When producing steam in organic electroluminescence display panel, steam can enter in colloid 11 with heat, and heat passes through gold
The category guiding of fiber 12 is dissipated into outside organic electroluminescence display panel, and the steam in extraneous steam or organic electroluminescence display panel
Into after colloid 11, all absorbed by these water-absorption particles 13, therefore, avoid the generation of steam in organic electroluminescence display panel.
Embodiment 2
As shown in figure 3, as different from Example 1, first dopant material of the present embodiment is metallic particles 12a, and from
The medial surface of colloid 11 to lateral surface, metallic particles 12a density gradually increases.
Specifically, colloid 11 includes the sub- colloid layer 110 that multilayer is bonded to each other, wherein, per the gold in straton colloid layer 110
Metal particles 12a material is variant, and from the medial surface of colloid 11 to lateral surface, the gold in adjacent two sub- colloid layers 110
Metal particles 12a specific heat capacity gradually increases.It is the situation that sub- colloid layer 110 is three layers as shown in Figure 3, from the inner side of colloid 11
Face is to lateral surface, and the metallic particles 12a in sub- colloid layer 110 is Al, Cu, Ag respectively, and the specific heat capacity of three kinds of metallic particles is by having
Gradually increase laterally inside machine light emitting display panel so that sub- glue of the heat from the 110 gradual outer layers of sub- colloid layer of internal layer
Body layer 110 spreads, and can equally play good heat radiator effect.In addition, mixed in per straton colloid layer 110 doped with second
Miscellaneous material, i.e. water-absorption particle 13, the heat transfer direction in colloid 11 are Al metallic particles 12a, Cu metallic particles 12a, Ag gold
Metal particles 12a., can the first corresponding metallic particles 12a of doping and suction in each sub- colloid layer 110 respectively when preparing colloid 11
Particle water 13, then each sub- colloid layer 110 is combined with each other.
In other embodiments, from the medial surface of colloid 11 to lateral surface, metallic particles 12a density is also configured to
Gradually increase, further improve the heat radiator effect of colloid 11.
It is understood that in other embodiments, there can also be metallic particles in the colloid 11 in embodiment 1
12a, from the medial surface of colloid 11 to lateral surface, metallic particles 12a density gradually increases；Sub- colloid layer 110 in embodiment 2
Interior to have metallic fiber 12, from the medial surface of colloid 11 to lateral surface, the density of metallic fiber 12 gradually increases.
Doped with the dopant material of heat conduction in the heat absorption fluid sealant of the present invention, when it is packaged in organic electroluminescence display panel
During organic luminous layer end, the effect of heat radiator can be played, organic luminous layer is reduced because overheating and caused loss, prolongs
The service life of long organic electroluminescence display panel.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. one kind heat absorption fluid sealant, it is characterised in that including the colloid (11) for sealing and be doped in the colloid (11)
The first dopant material, the colloid (11) include be used for be provided close to the medial surface of cavity to be packaged and for being disposed far from treating
The lateral surface of cavity side is encapsulated, the thermal conductivity factor of first dopant material is more than the colloid (11).
2. heat absorption fluid sealant according to claim 1, it is characterised in that first dopant material is metal.
3. heat absorption fluid sealant according to claim 2, it is characterised in that first dopant material includes metallic fiber
(12), the metallic fiber (12) is more than the density close to the medial surface in the density close to the lateral surface.
4. heat absorption fluid sealant according to claim 3, it is characterised in that described from the medial surface to the lateral surface
The density of metallic fiber (12) gradually increases.
5. heat absorption fluid sealant according to claim 2, it is characterised in that first dopant material includes metallic particles
(12a)。
6. heat absorption fluid sealant according to claim 5, it is characterised in that described from the medial surface to the lateral surface
The density of metallic particles (12a) gradually increases.
7. heat absorption fluid sealant according to claim 5, it is characterised in that the colloid (11) includes what multilayer was bonded to each other
Sub- colloid layer (110), the material of the metallic particles (12a) in every layer of sub- colloid layer (110) is different, and from described interior
To the lateral surface, the specific heat capacity of the metallic particles (12a) in adjacent two sub- colloid layers (110) is gradual for side
Increase.
8. heat absorption fluid sealant according to claim 7, it is characterised in that described from the medial surface to the lateral surface
The density of metallic particles (12a) gradually increases.
9. according to any described heat absorption fluid sealants of claim 1-8, it is characterised in that also include being doped in the colloid (11)
The second interior dopant material, second dopant material are absorbent material.
10. a kind of organic electroluminescence display panel, it is characterised in that any described including organic luminous layer (1) and claim 1-9
Heat absorption fluid sealant, the heat absorption sealant sealing is in the end of the organic luminous layer (1), and the medial surface is described in
Organic luminous layer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711231018.2A CN107819024B (en) | 2017-11-29 | 2017-11-29 | Organic light-emitting display panel and heat-absorbing sealant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711231018.2A CN107819024B (en) | 2017-11-29 | 2017-11-29 | Organic light-emitting display panel and heat-absorbing sealant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107819024A true CN107819024A (en) | 2018-03-20 |
| CN107819024B CN107819024B (en) | 2019-12-31 |
Family
ID=61606441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711231018.2A Active CN107819024B (en) | 2017-11-29 | 2017-11-29 | Organic light-emitting display panel and heat-absorbing sealant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107819024B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649136A (en) * | 2018-04-27 | 2018-10-12 | 武汉华星光电半导体显示技术有限公司 | A kind of flexibility OLED display panel |
| CN112080099A (en) * | 2020-09-21 | 2020-12-15 | 合肥福纳科技有限公司 | QLED device, composite material and application thereof |
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| JP5204454B2 (en) * | 2007-10-02 | 2013-06-05 | 積水化学工業株式会社 | adhesive |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649136A (en) * | 2018-04-27 | 2018-10-12 | 武汉华星光电半导体显示技术有限公司 | A kind of flexibility OLED display panel |
| WO2019205385A1 (en) * | 2018-04-27 | 2019-10-31 | 武汉华星光电半导体显示技术有限公司 | Flexible oled display panel |
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| CN112080099A (en) * | 2020-09-21 | 2020-12-15 | 合肥福纳科技有限公司 | QLED device, composite material and application thereof |
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| Publication number | Publication date |
|---|---|
| CN107819024B (en) | 2019-12-31 |
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