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Polyolefin polymer modified binder material for organic electroluminescent device

A technology of electroluminescent devices and binder materials, which is applied in the direction of electric solid devices, unsaturated alcohol copolymer adhesives, adhesives, etc., and can solve problems such as damage to organic light emitting diodes

Active Publication Date: 2015-02-04
JIANGSU XINGHUA RUBBER BELT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the use of the panel, when the cover and / or the substrate are partially squeezed and bent by their own gravity or external force, the glass cover and the organic light-emitting diodes on the substrate will contact, so that the organic light-emitting diodes are squeezed crushed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] Its technical route is as follows:

[0018] Preparation of silicone-modified epoxy resin matrix material:

[0019] Dissolve 7 grams each of silicone and epoxy resin with a weight ratio of 1:1 in 10 milliliters of xylene and cyclohexanone solvents of equal volume, stir with electromagnetic force, the temperature is 50 ° C, and the stirring time is 4 Then the above solution was mixed and added to a 100 ml three-neck round bottom flask, stirred by electromagnetic force, and then 0.01 moles of dibutyltin dilaurate catalyst was gradually added dropwise with a separatory funnel as the temperature changed, and the final temperature was controlled at 136°C , reacted for 10 hours, after the reflux reaction was completed, a light yellow transparent solution was obtained, and then the solvent was removed by distillation under reduced pressure to obtain a silicone-modified epoxy resin matrix glue material, which was in the form of a viscous light yellow transparent colloid material...

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Abstract

A composited binder material for packaging a electroluminescent device comprises 65.0-75.0% of organic silicon / epoxy resin matrix, 0.3-4.6% of ferroferric oxide fiber material, 2.0% of tetraethoxysilanecross-linking agent, 18.0-29.5% of the mixture of polyvinyl alcohol and polyethylene, and the balance of the assistant and a phthalic acid ester plasticizer, wherein the ratio of length to diameter of the fiber material is 4-6.

Description

technical field [0001] The present invention relates to a packaging material for electroluminescent elements. More specifically, the packaging method of the present invention adopts a packaging material that has good bonding performance and can improve defects such as brittleness and cracking caused by the stress of the bonding material. Use adhesive material. Background technique [0002] Organic electroluminescent device (OELD) is a new type of flat display device newly developed at present. It has low turn-on and driving voltage, and can be driven by DC voltage. It can be matched with large-scale integrated circuits, and it is easy to achieve full color and light High brightness (>105cd / m2), high quantum luminous efficiency (2.01m / w), etc., but the service life of OELD devices cannot meet the application requirements, and one of the technical difficulties that needs to be solved is the packaging material and packaging technology of the device. The organic membrane mat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J163/00C09J129/04C09J123/06C09J11/04C09J11/06C08G59/14H01L51/54
Inventor 魏伟毛亮韩阳魏昌林吴夕虎
Owner JIANGSU XINGHUA RUBBER BELT
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