CN1536936A - Organic electro-excited light-emitting element made of nano composite colloid material and its paackaging method - Google Patents
Organic electro-excited light-emitting element made of nano composite colloid material and its paackaging method Download PDFInfo
- Publication number
- CN1536936A CN1536936A CNA03109595XA CN03109595A CN1536936A CN 1536936 A CN1536936 A CN 1536936A CN A03109595X A CNA03109595X A CN A03109595XA CN 03109595 A CN03109595 A CN 03109595A CN 1536936 A CN1536936 A CN 1536936A
- Authority
- CN
- China
- Prior art keywords
- organic electroluminescent
- electroluminescent element
- cap
- packaging plastic
- nano combined
- 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.)
- Pending
Links
Images
Landscapes
- Electroluminescent Light Sources (AREA)
Abstract
The invention provides a kind of organic electric brightening component of nano compound glue and the packaging method, the organic electric brightening component is placed on the base board when in packaging, coats the second packaging glue on the inner circle of the package cap, coats the first package glue on the outer circle of the package cap, dries and hardens the first and the second package glues through heat or ultraviolet curing method, in order to combine the package cap and the base bard, thus the organic electric brightening component is packaged in the cap and the base board.
Description
Technical field
The present invention relates to a kind of organic electroluminescent element and method for packing thereof of nano combined glue material, particularly a kind of by sneaking into nano particle in the packaging plastic to strengthen the method for packaging effect.
Background technology
Star's industry of the 21 century mankind will be a communication industry, especially various portable communications products, because flat-panel screens is the interface of man-machine communication, so the compact of display will be the emphasis of communication industry exploitation.Organic electroluminescent element (OLED) have high answer speed, power saving, the restriction of no visual angle, can full-colorization and the operating characteristic of extensive use, be expected to become the main representative of flat-panel screens of future generation.
Yet the research and development prematurity still and the encapsulation technology of existing organic electroluminescent element material need further improvement, so the life-span of organic electroluminescent element still is subjected to great restriction.For example, cathodic corrosion is the modal reason that causes the organic electroluminescent element decay.If encapsulate badly, stain will appear in element.This is because moisture can enter element from metal film or its edge, because negative electrode is a metal material in the organic electroluminescent element, makes anodizing, causes loose contact, and stain becomes greatly gradually, and effective viewing area of organic electroluminescent element dwindles thereupon.The current density that this can increase effective viewing area conversely again causes driving voltage to increase, if encapsulate well, just can control the growth of stain, if but element is exposed in the air for a long time, and stain can occur sooner or later.Therefore, in order to reduce the formation of stain, the erosion that makes the element separation moisture is very important.
Summary of the invention
So, main purpose of the present invention is to solve above-mentioned traditional defective, for avoiding the existence of this defective, the dense material of the present invention by sneaking into nano particle in packaging plastic to be strengthening packaging effect, and simultaneously the hygroscopic material by in packaging plastic, sneaking into nano particle to absorb moisture.
For achieving the above object, the organic electroluminescent element of nano combined glue material of the present invention, be by a substrate, one organic electroluminescent element, one cap, one is attached at the hygroscopic material in this cap, one first packaging plastic and one second packaging plastic are formed, its method for packing is, organic electroluminescent element is placed on the above-mentioned substrate, and be coated with second packaging plastic at the inner ring of above-mentioned cap, the outer ring of this cap is coated with first packaging plastic, mode this first packaging plastic of dry sclerosis and second packaging plastic by heat energy or ultraviolet curing (UV-Curing), with in conjunction with this cap and substrate, thereby this organic electroluminescent element is encapsulated in this cap and the substrate, at this moment, enter in this cap to intercept outside aqueous vapor and oxygen by this first packaging plastic, again by this second packaging plastic and hygroscopic material to absorb aqueous vapor and the oxygen in this cap and the substrate.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is a manufacture method flow chart of the present invention.
Embodiment
Relevant detailed content of the present invention and technical descriptioon, existing accompanying drawings is as follows:
Seeing also shown in Fig. 1,2, is the vertical view of structural representation of the present invention and Fig. 1.As shown in the figure: the organic electroluminescent element of nano combined glue material of the present invention, formed by a substrate 11, an organic electroluminescent element 12, a cap 13, a hygroscopic material 14, one first packaging plastic 15 and one second packaging plastic 16.
The first above-mentioned packaging plastic 15, sneaking into high molecular polymer by the dense material of nano particle size is formed, this dense material is meant dense materials own and waterproof gas and air, can be inorganic material or metal material, this high molecular polymer can be the polymer of heat curing-type or photo-polymerization type, and the viscosity of controlling this first packaging plastic 15 is between 5000cps to 500000cps; In addition, the thermal coefficient of expansion of this second packaging plastic 16 is between 1～100ppm/ ℃, wherein, is the best between 5～20ppm/ ℃ again.
This second packaging plastic 16 is sneaked into high molecular polymer by the hygroscopic material of nano particle size and is formed, this high molecular polymer can be the polymer of heat curing-type or photo-polymerization type, and the viscosity of controlling this second packaging plastic 16 is between 5000cps to 500000cps, wherein again being the best between 100000cps to 300000cps, and the thermal coefficient of expansion of this second packaging plastic 16 is between 1～100ppm/ ℃, is the best between 5～20ppm/ ℃ again wherein.Simultaneously, within identity element, the coefficient of thermal expansion differences of first packaging adhesive material and second packaging adhesive material is no more than 1.0ppm/ ℃ and is advisable.
During encapsulation, organic electroluminescent element 12 is placed on the above-mentioned substrate 11, and be coated with second packaging plastic 16 at the inner ring of above-mentioned cap 13, the outer ring of this cap 13 is coated with first packaging plastic 15, hygroscopic material 14 is fixed in the cap, after applying cap and the substrate, mode this first packaging plastic 15 of dry sclerosis and second packaging plastic 16 by heat energy or ultraviolet curing, with in conjunction with this cap 13 and substrate 11, thereby encapsulate this organic electroluminescent element 12 in this cap 13 and substrate 11, at this moment, enter in this cap 13 to intercept outside aqueous vapor and oxygen by this first packaging plastic 15, again by this second packaging plastic 16 to absorb this cap 13 and substrate 11 interior aqueous vapor and oxygen.
In addition, the hygroscopic material 14 that can be sticked in this cap 13 is so as to strengthening absorbing aqueous vapor and the oxygen in this cap 13 and the substrate 11.
In addition, above-mentioned high molecular polymer can be poly-epoxy resin (Epoxy), poly-acryl resin (Arcrylic), poly-epoxy resin/acryl resin mixing macromolecule (Epoxy/Arcrylic), polysilane resin (Silicone), polysiloxanes resin (Silioxane) or organic/inorganic co-polymer (Organic/Inorganic).
Wherein, this inorganic material, its granular size can be platinum (Pt), chromium (Cr), silver (Ag), titanium (Ti) and silicon dioxide (SiO between 1nm to 100nm
2), titanium dioxide (TiO
2) or zinc oxide (ZnO
2).
This hygroscopic material can be physisorption material or chemisorbed material, and this chemisorbed material can be alkali metal oxide, alkaline earth oxide, sulphate cpd, halogen metal compound or perchlorate compound.
Seeing also shown in Figure 3ly, is manufacture method flow chart of the present invention.As shown in the figure: the organic electroluminescent element method for packing of nano combined glue material of the present invention comprises the following step:
A) provide substrate 21, a substrate is provided, and on this substrate, be provided with an organic electroluminescent element;
B) provide cap and coating packaging plastic 22, a cap is provided, and is coated with second packaging plastic in the inner ring of this cap, the outer ring of this cap is coated with first packaging plastic, and a hygroscopic material again has been sticked in this cap;
C) encapsulation 23, this first packaging plastic of dry sclerosis of the mode by heat energy or ultraviolet curing and second packaging plastic with in conjunction with this cap and substrate, thereby encapsulate this organic electroluminescent element in this cap and substrate.
In sum, the present invention utilizes concrete notion, the dense material of nano particle size is sneaked in first packaging plastic, to obtain fine and close encapsulated layer, and the hygroscopic material that utilizes the nano particle size is sneaked into the barrier layer of second packaging plastic to penetrate as water oxygen, thereby block the invasion of water oxygen with bilayer protection packaged type, on increase barrier layer physical strength and barrier layer moisture sorption effect, great breakthrough is arranged.
Above-mentioned is preferred embodiment of the present invention only, is not to be used for limiting scope of the invention process.Be that all equalizations of being done according to the present patent application claim change and modification, be all claim of the present invention and contain.
Claims (13)
1. the organic electroluminescent element of a nano combined glue material is made up of a substrate (11), an organic electroluminescent element (12) and a cap (13), it is characterized in that:
One first packaging plastic (15) is the outer ring of coating described cap (13), sneaks into high molecular polymer by the dense material of nano particle size and is formed;
One second packaging plastic (16) is an inner ring of coating described cap (13), sneaks into high molecular polymer by the hygroscopic material (14) of nano particle size and is formed;
During encapsulation, described organic electroluminescent element (12) is placed on the described substrate (11), mode dry sclerosis described first packaging plastic (15) and described second packaging plastic (16) by heat energy or ultraviolet curing, with in conjunction with described cap (13) and described substrate (11), thereby encapsulate described organic electroluminescent element (12) in described cap (13) and described substrate (11), at this moment, enter in the described cap (13) to intercept outside aqueous vapor and oxygen by described first packaging plastic (15), again by described second packaging plastic (16) to absorb described cap (13) and described substrate (11) interior aqueous vapor and oxygen.
2. the organic electroluminescent element of nano combined glue material according to claim 1 is characterized in that, described dense material is meant dense materials free from flaw own, can be inorganic material, metal material.
3. the organic electroluminescent element of nano combined glue material according to claim 2 is characterized in that, described inorganic material can be silicon dioxide, titanium dioxide, zinc oxide.
4. the organic electroluminescent element of nano combined glue material according to claim 2 is characterized in that, described metal material can be platinum, chromium, silver, titanium.
5. the organic electroluminescent element of nano combined glue material according to claim 1 is characterized in that, described high molecular polymer can be the polymer of heat curing-type, photo-polymerization type.
6. the organic electroluminescent element of nano combined glue material according to claim 5, it is characterized in that described high molecular polymer can be poly-epoxy resin, poly-acryl resin, poly-epoxy resin/acryl resin mixing macromolecule, polysilane resin, polysiloxanes resin, organic/inorganic co-polymer.
7. the organic electroluminescent element of nano combined glue material according to claim 1 is characterized in that, described hygroscopic material (14) can be physisorption material or chemisorbed material.
8. the organic electroluminescent element of nano combined glue material according to claim 7 is characterized in that, described chemisorbed material can be alkali metal oxide, alkaline earth oxide, sulphate cpd, halogen metal compound, perchlorate compound.
9. the organic electroluminescent element of nano combined glue material according to claim 1 is characterized in that, the viscosity of described first packaging plastic (15) and described second packaging plastic (16) is controlled between 5000cps to 500000cps.
10. the organic electroluminescent element of nano combined glue material according to claim 1 is characterized in that, the thermal coefficient of expansion of described second packaging plastic (16) is between 1～100ppm/ ℃.
11. the organic electroluminescent element of nano combined glue material according to claim 1, it is characterized in that, further comprise a described hygroscopic material (14), be attached in the described cap (13), by strengthening absorbing aqueous vapor and the oxygen in described cap (13) and the described substrate (11).
12. the organic electroluminescent element method for packing of a nano combined glue material is characterized in that the method includes the steps of:
A) provide a substrate (11), and be provided with an organic electroluminescent element (12) in described substrate (11);
B) provide cap (13) and coating packaging plastic, a cap (13) is provided, and is coated with second packaging plastic (16) in the inner ring of described cap (13), the outer ring of described cap (13) is coated with first packaging plastic (15);
C) encapsulation, mode dry sclerosis described first packaging plastic (15) and described second packaging plastic (16) by heat energy or ultraviolet curing, with in conjunction with described cap (13) and described substrate (11), thereby described organic electroluminescent element (12) is encapsulated in described cap (13) and the described substrate (11).
13. the organic electroluminescent element method for packing of nano combined glue material according to claim 12 is characterized in that, the described step b hygroscopic material (14) that further has been sticked in described cap (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA03109595XA CN1536936A (en) | 2003-04-11 | 2003-04-11 | Organic electro-excited light-emitting element made of nano composite colloid material and its paackaging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA03109595XA CN1536936A (en) | 2003-04-11 | 2003-04-11 | Organic electro-excited light-emitting element made of nano composite colloid material and its paackaging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1536936A true CN1536936A (en) | 2004-10-13 |
Family
ID=34319402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA03109595XA Pending CN1536936A (en) | 2003-04-11 | 2003-04-11 | Organic electro-excited light-emitting element made of nano composite colloid material and its paackaging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1536936A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104039544A (en) * | 2011-10-24 | 2014-09-10 | Tbf有限公司 | Encapsulation barrier stack |
| CN104876175A (en) * | 2014-02-27 | 2015-09-02 | 立景光电股份有限公司 | Micro-electro-mechanical system packaging structure |
| CN106816549A (en) * | 2016-12-08 | 2017-06-09 | 瑞声科技（南京）有限公司 | Oled device and its manufacture method |
| CN106876598A (en) * | 2017-01-11 | 2017-06-20 | 瑞声科技（南京）有限公司 | Oled device and preparation method thereof |
| CN107799664A (en) * | 2017-10-20 | 2018-03-13 | 京东方科技集团股份有限公司 | A kind of packaging plastic, encapsulating structure and glue spreading apparatus |
-
2003
- 2003-04-11 CN CNA03109595XA patent/CN1536936A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104039544A (en) * | 2011-10-24 | 2014-09-10 | Tbf有限公司 | Encapsulation barrier stack |
| CN104876175A (en) * | 2014-02-27 | 2015-09-02 | 立景光电股份有限公司 | Micro-electro-mechanical system packaging structure |
| CN104876175B (en) * | 2014-02-27 | 2016-09-28 | 立景光电股份有限公司 | Micro electromechanical system packaging structure |
| CN106816549A (en) * | 2016-12-08 | 2017-06-09 | 瑞声科技（南京）有限公司 | Oled device and its manufacture method |
| CN106816549B (en) * | 2016-12-08 | 2019-03-12 | 瑞声科技（南京）有限公司 | Oled device and its manufacturing method |
| CN106876598A (en) * | 2017-01-11 | 2017-06-20 | 瑞声科技（南京）有限公司 | Oled device and preparation method thereof |
| CN107799664A (en) * | 2017-10-20 | 2018-03-13 | 京东方科技集团股份有限公司 | A kind of packaging plastic, encapsulating structure and glue spreading apparatus |
| US11196026B2 (en) | 2017-10-20 | 2021-12-07 | Boe Technology Group Co., Ltd. | Encapsulation structure, production method thereof, glue-spreading device, and encapsulation glue |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100637201B1 (en) | Organic electroluminescence display and manufacturing method thereof | |
| KR100838073B1 (en) | Organic light emitting device and manufacturing method thereof | |
| CN1270374C (en) | Encapsulated microelectronic devices | |
| CN106449553A (en) | Package structure, packaging method and photoelectric equipment | |
| CN104167490B (en) | Organic photoelectric device packaging method and organic photoelectric device packaging structure | |
| KR101808535B1 (en) | Flexible Display Device and Method for Manufacturing the Same | |
| CN105591036A (en) | Packaging structure of flexible electroluminescent device and packaging method thereof | |
| CN203732850U (en) | Specular-reflection electrochromism device | |
| CN102054878B (en) | High barrier ultraviolet ray aging resistant solar cell back film and processing technique thereof | |
| CN105552248A (en) | Package structure for electroluminescent device and package method for electroluminescent device | |
| CN102867917A (en) | Flexible film used for flexible organic solar battery | |
| CN103730598A (en) | Organic light-emitting device and preparation method thereof | |
| CN1536936A (en) | Organic electro-excited light-emitting element made of nano composite colloid material and its paackaging method | |
| CN106374057A (en) | Packaging method of OLED device | |
| WO2011021647A1 (en) | Photocell module and process for production of photocell module | |
| CN106876598B (en) | Oled device and preparation method thereof | |
| CN104979492A (en) | Encapsulated thin film and manufacturing method therefor, light emitting apparatus, display panel and display device | |
| CN102104114B (en) | Flexible substrate and preparation method thereof | |
| CN108091773A (en) | OLED encapsulating structures, OLED device, the preparation method of display device and OLED encapsulating structures | |
| CN104846350A (en) | Organic-inorganic hybrid high barrier film and preparation method thereof | |
| JP2008010237A (en) | Photoelectric conversion device, its manufacturing method, and optical power generation device | |
| KR101449849B1 (en) | ElECTRODE FOR DYE-SENSITIZED SOLAR CELL AND METHOD OF MANUFACTURING THE SAME | |
| CN1302530C (en) | Method for packaging electronic component | |
| CN100352078C (en) | Package structure and method for organic electroluminescence display element | |
| KR100462469B1 (en) | Encapsulation thin films having bonding-type organic-inorganic complex film and organic electroluminescent devices including the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENGHUA SCI. & TECH. CO., LTD. Free format text: FORMER OWNER: SHENGYUAN SCIENCE AND TECHNOLOGY CO. LTD. Effective date: 20041105 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20041105 Address after: Taichung County of Taiwan Province Applicant after: Shenghua Science and Technology Co., Ltd. Address before: Taichung City, Taiwan Province Applicant before: Shengyuan Sci-Tech Co., Ltd. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |