CN108695441A - A kind of OLED display - Google Patents
A kind of OLED display Download PDFInfo
- Publication number
- CN108695441A CN108695441A CN201710218115.1A CN201710218115A CN108695441A CN 108695441 A CN108695441 A CN 108695441A CN 201710218115 A CN201710218115 A CN 201710218115A CN 108695441 A CN108695441 A CN 108695441A
- Authority
- CN
- China
- Prior art keywords
- packaging film
- substrate
- oled display
- protective layer
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H10K50/844—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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
Abstract
The present invention relates to display technology fields; more particularly to a kind of OLED display; OLED device including substrate, on substrate is arranged on OLED device to encapsulate the packaging film of OLED device, the protective layer for the upper surface for covering packaging film and the oxygen glue that blocks water of at least sidewall surfaces of covering packaging film exposure together with substrate; the oxygen glue that blocks water can prevent OLED device side from being invaded by steam and oxygen, and then extend the service life of OLED device.
Description
Technical field
The present invention relates to display technology field more particularly to a kind of OLED displays.
Background technology
In recent years, belong to selfluminous device Organic Light Emitting Diode (Organic Light Emitting Diode,
OLED) device is able to extensive use as flat-panel display device because of haveing excellent performance.On the one hand the service life of OLED device is depended on
In selected organic material, the packaging method of device is on the other hand additionally depended on.
Due to the material character of OLED device, easily gone bad by after moisture and oxygen invasion, therefore strictly to prevent to come
Enter device inside from the oxygen and moisture of ambient enviroment and touches sensitive organic substance and electrode.Because being filled in organic light emission
Inside is set, the presence of moisture or oxygen easily causes the degeneration or failure of its characteristic, can make micro moisture organic
Compound layer is removed with electrode layer, blackspot is generated, to reduce device lifetime.Thus, to make OLED during long-term work
Degeneration and failure be inhibited, steady operation reaches enough service life, therefore proposes very high want to organic optoelectronic device
It asks.
In addition, obstruct steam and oxygen in thin-film packing structure has very high want to the property of packaging film material itself
It asks, and steam and oxygen may enter OLED device by the gap between packaging film edge and underlay substrate, and then influences
The service life of OLED device, this is that those skilled in the art are reluctant to see.
Invention content
In view of the above problems, the present invention discloses a kind of OLED display, including:
Substrate;
OLED device is located on the substrate;
Packaging film is arranged on the OLED device to encapsulate the OLED device together with the substrate;
Protective layer covers the upper surface of the packaging film;
Block water oxygen glue, at least covers the sidewall surfaces of the packaging film, to seal the substrate and the packaging film
Between contact surface between contact surface, the packaging film and the protective layer.
Above-mentioned OLED display, wherein the material of the oxygen glue that blocks water is easy curable type epoxide resin material.
Above-mentioned OLED display, wherein the substrate is glass substrate.
Above-mentioned OLED display, wherein the protective layer is pad pasting (lamination) or glassy layer.
Above-mentioned OLED display, wherein the glassy layer is cover-plate glass (cover lens) or touch-control sensing unit
Glass (TP sensor).
Above-mentioned OLED display, wherein the upper surface of substrate described in the protective layer overlapping part, the oxygen glue that blocks water
Cover the upper surface of the substrate exposure and the sidewall surfaces of the protective layer, packaging film exposure.
Above-mentioned OLED display, wherein the lower surface of protective layer described in the substrate overlapping part, the oxygen glue that blocks water
Cover the lower surface of the protective layer exposure and the sidewall surfaces of the substrate, packaging film exposure.
Above-mentioned OLED display, wherein the packaging film includes at least double-layer films.
Above-mentioned OLED display, wherein the packaging film includes organic material layer and inorganic material layer.
Above-mentioned OLED display, wherein the organic material layer is polymer, and the inorganic material layer aoxidizes for metal
Object.
Foregoing invention has the following advantages that or advantageous effect:
OLED display disclosed by the invention, by least covering the one layer of oxygen that blocks water in the sidewall surfaces of packaging film exposure
Glue to prevent OLED display side from being invaded by steam and oxygen, and then extends the service life of OLED device.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer
Shape and advantage will become more apparent.Identical label indicates identical part in whole attached drawings.Not can according to than
Example draws attached drawing, it is preferred that emphasis is shows the purport of the present invention.
Fig. 1 is the structural schematic diagram of OLED display in the embodiment of the present invention one;
Fig. 2 is the structural schematic diagram of OLED display in the embodiment of the present invention two;
Fig. 3 is the structural schematic diagram of OLED display in the embodiment of the present invention three;
Fig. 4 is the structural schematic diagram of OLED display in the embodiment of the present invention four.
Specific implementation mode
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings, but not as the limit of the present invention
It is fixed.
The present invention discloses a kind of OLED display, including:Substrate, is arranged in OLED the OLED device on substrate
To encapsulate the protective layer and extremely of the packaging film of OLED device, the upper surface for covering packaging film together with substrate on device
The oxygen glue that blocks water of the sidewall surfaces of covering packaging film exposure less, the oxygen glue that blocks water OLED device side can be prevented by steam and
Oxygen is invaded, and then extends the service life of OLED device.
In a preferred embodiment of the invention, the material of the above-mentioned oxygen glue that blocks water is easy curable type epoxide resin material, by
There is the property for the oxygen that preferably blocks water in the easy curable type epoxide resin material, so as to effectively organize steam and oxygen to pass through
Gap between packaging film sidewall surfaces, substrate and protective layer enters OLED device, and then influences the use of OLED device
Service life.
In a preferred embodiment of the invention, aforesaid substrate is glass substrate.
In a preferred embodiment of the invention, above-mentioned protective layer is pad pasting or glassy layer.
On this basis, further, above-mentioned glassy layer is cover-plate glass or touch-control sensing unit glass.
In a preferred embodiment of the invention, if the protective layer is smaller than the substrate, the oxygen glue covering that blocks water
The upper surface of the substrate exposure and the sidewall surfaces of the protective layer, packaging film exposure;If the protective layer ratio
The substrate is big, and the oxygen glue that blocks water covers the lower surface that the protective layer exposes and the substrate, the packaging film are sudden and violent
The sidewall surfaces of dew;The covering position for the oxygen glue that blocks water is arranged according to the size of protective layer and substrate preferably water oxygen to be prevented to enter
It invades, achievees the effect that service life during extension OLED.
In a preferred embodiment of the invention, packaging film includes at least double-layer films, more preferable so as to reach
Packaging effect.
In a preferred embodiment of the invention, packaging film includes organic material layer and inorganic material layer.
On this basis, further, above-mentioned organic material layer is polymer, and inorganic material layer is metal oxide.
In a preferred embodiment of the invention, OLED display does not include upper cover plate;OLED display uses film
Encapsulation can save upper cover plate to reduce the thickness of OLED display, and can reduce cost.
With specific embodiment, the invention will be further elaborated below:
Embodiment one:
As shown in Figure 1, the present embodiment is related to a kind of OLED display, including:Glass substrate 01, be located at glass substrate 01 it
On OLED device 02, be arranged on OLED device 02 to encapsulate the packaging film of OLED device 02 together with glass substrate 01
03, the pad pasting 04 and the oxygen glue 05 that blocks water of the upper surface of covering packaging film 03;In the present embodiment, the pad pasting 04 is than glass base
Plate 01 is small, the side wall table of the upper surface of the 05 cover glass substrate 01 of oxygen glue that blocks water exposure and packaging film 03, the exposure of pad pasting 04
Face;The portion of upper surface of the upper surface of 04 overlapping part glass substrate 01 of pad pasting, i.e. pad pasting 04 and glass substrate 01 exists overlapping;
The portion lower surface of the lower surface of 01 overlapping part pad pasting 04 of glass substrate, i.e. glass substrate 01 and pad pasting 04 exists overlapping;By
In this present embodiment, pad pasting 04 is smaller than glass substrate 01, thus the interface between glass substrate 01 and packaging film 03 with
And the side of pad pasting 04, packaging film 03 be easy to generate gap, and glass substrate 01 expose upper surface and packaging film
03, the sidewall surfaces that pad pasting 04 exposes are the covering of oxygen glue 05 that blocks water, which can prevent OLED device side quilt
Steam and oxygen invasion, and then effectively extend the service life of OLED device.And the OLED display in the present embodiment does not include
Upper cover plate;OLED display uses thin-film package that can save upper cover plate to reduce the thickness of OLED display, and can reduce cost.
Packaging film 03 in the present embodiment may include three-layer thin-film (not showed that in figure), which is under
The supreme the first film set gradually, the second film, third film, further, the first film and third film are inorganic
Material film, second film are organic material film, it is preferred that the material of the inorganic material film is metal oxide, is had
The material of machine material film is polymer.
Embodiment two:
As shown in Fig. 2, the present embodiment is related to a kind of OLED display, including:Glass substrate 01, be located at glass substrate 01 it
On OLED device 02, be arranged on OLED device 02 to encapsulate the packaging film of OLED device 02 together with glass substrate 01
03, the pad pasting 04 and the oxygen glue 05 that blocks water of the upper surface of covering packaging film 03;In the present embodiment, the pad pasting 04 is than glass base
Plate 01 is big, the side wall table that the oxygen glue 05 that blocks water covers the lower surface of pad pasting exposure and packaging film 03, glass substrate 01 expose
Face;The upper surface of 04 overlapping part glass substrate 01 of pad pasting, i.e. pad pasting 04 and a part for the upper surface of glass substrate 01 exist
It is overlapping;The lower surface of 01 overlapping part pad pasting 04 of glass substrate, i.e. glass substrate 01 and a part for the lower surface of pad pasting 04 are deposited
Overlapping;By in this present embodiment, pad pasting 04 is bigger than glass substrate 01, therefore the interface between pad pasting 04 and packaging film 03
And the sidewall surfaces of packaging film 03, glass substrate 01 exposure are easy to generate gap and be easy to be invaded by water oxygen, at this
In embodiment, since the sidewall surfaces that packaging film 03 and glass substrate 01 expose are the covering of oxygen glue 05 that blocks water, the oxygen that blocks water
Glue 05 can prevent OLED device side from being invaded by steam and oxygen, and then effectively extend the service life of OLED device.
Embodiment three:
As shown in figure 3, the present embodiment is roughly the same with embodiment one, 03 upper surface of covering packaging film is differed only in
Protective layer is glassy layer 06.In the present embodiment, the glassy layer 06 is bigger than glass substrate 01, and block water 05 cover glass substrate of oxygen glue
The sidewall surfaces that the upper surface of 01 exposure and packaging film 03 expose.
Example IV:
As shown in figure 4, the present embodiment is roughly the same with embodiment two, 03 upper surface of covering packaging film is differed only in
Protective layer is glassy layer 06.And in the present embodiment, the glassy layer 06 is smaller than glass substrate 01, and block water 05 cover glass layer of oxygen glue
The sidewall surfaces that the lower surface of 06 exposure and packaging film 03, glassy layer 06 expose.
To sum up, OLED display disclosed by the invention, by least covering one layer in the sidewall surfaces of packaging film exposure
Block water oxygen glue, to prevent OLED display side from being invaded by steam and oxygen, and then extends the service life of OLED device.
It should be appreciated by those skilled in the art that those skilled in the art are combining the prior art and above-described embodiment can be with
Realize change case, this will not be repeated here.Such change case does not affect the essence of the present invention, and it will not be described here.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as giving reality with the common mode in this field
It applies;Any technical person familiar with the field, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Embodiment is imitated, this is not affected the essence of the present invention.Therefore, every content without departing from technical solution of the present invention, foundation
The technical spirit any simple modifications, equivalents, and modifications made to the above embodiment of the present invention, still fall within the present invention
In the range of technical solution protection.
Claims (10)
1. a kind of OLED display, which is characterized in that including:
Substrate;
OLED device is located on the substrate;
Packaging film is arranged on the OLED device, to encapsulate the OLED device together with the substrate;
Protective layer covers the upper surface of the packaging film;
Block water oxygen glue, at least covers the sidewall surfaces of the packaging film, to seal between the substrate and the packaging film
Contact surface between contact surface, the packaging film and the protective layer.
2. OLED display as described in claim 1, which is characterized in that the material of the oxygen glue that blocks water is easy curable type asphalt mixtures modified by epoxy resin
Fat material.
3. OLED display as described in claim 1, which is characterized in that the substrate is glass substrate.
4. OLED display as described in claim 1, which is characterized in that the protective layer is pad pasting or glassy layer.
5. OLED display as claimed in claim 4, which is characterized in that the glassy layer is cover-plate glass or touch-control sensing list
First glass.
6. OLED display as described in claim 1, which is characterized in that the upper table of substrate described in the protective layer overlapping part
Face, the oxygen glue that blocks water cover the upper surface of the substrate exposure and the side wall of the protective layer, packaging film exposure
Surface.
7. OLED display as described in claim 1, which is characterized in that the following table of protective layer described in the substrate overlapping part
Face, the oxygen glue that blocks water cover the lower surface of the protective layer exposure and the side wall of the substrate, packaging film exposure
Surface.
8. OLED display as described in claim 1, which is characterized in that the packaging film includes at least double-layer films.
9. OLED display as claimed in claim 8, which is characterized in that the packaging film includes organic material layer and inorganic
Material layer.
10. OLED display as claimed in claim 9, which is characterized in that the organic material layer is polymer, described inorganic
Material layer is metal oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218115.1A CN108695441A (en) | 2017-04-05 | 2017-04-05 | A kind of OLED display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218115.1A CN108695441A (en) | 2017-04-05 | 2017-04-05 | A kind of OLED display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108695441A true CN108695441A (en) | 2018-10-23 |
Family
ID=63842009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710218115.1A Pending CN108695441A (en) | 2017-04-05 | 2017-04-05 | A kind of OLED display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108695441A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004104A (en) * | 2018-07-27 | 2018-12-14 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED display panel and preparation method thereof |
| CN109686760A (en) * | 2018-12-13 | 2019-04-26 | 云谷（固安）科技有限公司 | A kind of display device and its packaging method |
| CN109728189A (en) * | 2018-11-26 | 2019-05-07 | 云谷（固安）科技有限公司 | Display panel and display device |
| CN109768184A (en) * | 2019-02-18 | 2019-05-17 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED display panel and preparation method thereof |
| WO2020113620A1 (en) * | 2018-12-06 | 2020-06-11 | 信利光电股份有限公司 | Method for manufacturing oled touch control display module |
| CN111341940A (en) * | 2020-03-18 | 2020-06-26 | 上海晶合光电科技有限公司 | OLED device packaging structure and preparation method thereof |
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| CN103956435A (en) * | 2014-04-28 | 2014-07-30 | 上海大学 | Adhesive tape encapsulating structure of organic light emitting diode |
| CN106068564A (en) * | 2015-10-29 | 2016-11-02 | 京东方科技集团股份有限公司 | Display device and preparation method thereof |
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| US20140017437A1 (en) * | 2010-04-20 | 2014-01-16 | Corning Incorporated | Multi-laminate hermetic barriers and related structures and methods of hermetic sealing |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004104A (en) * | 2018-07-27 | 2018-12-14 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED display panel and preparation method thereof |
| US11088345B2 (en) | 2018-07-27 | 2021-08-10 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Organic light emitting diode display panel and manufacturing method thereof |
| CN109728189A (en) * | 2018-11-26 | 2019-05-07 | 云谷（固安）科技有限公司 | Display panel and display device |
| WO2020113620A1 (en) * | 2018-12-06 | 2020-06-11 | 信利光电股份有限公司 | Method for manufacturing oled touch control display module |
| CN109686760A (en) * | 2018-12-13 | 2019-04-26 | 云谷（固安）科技有限公司 | A kind of display device and its packaging method |
| CN109686760B (en) * | 2018-12-13 | 2020-11-13 | 云谷（固安）科技有限公司 | Display device and packaging method thereof |
| CN109768184A (en) * | 2019-02-18 | 2019-05-17 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED display panel and preparation method thereof |
| CN109768184B (en) * | 2019-02-18 | 2020-10-27 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and preparation method thereof |
| CN111341940A (en) * | 2020-03-18 | 2020-06-26 | 上海晶合光电科技有限公司 | OLED device packaging structure and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181023 |