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A kind of curable film-forming composition monomer and its composition and application of the composition

A technology of composition and compound, which is applied in the field of curable film-forming composition monomer and its composition, can solve the problems of unsuitable application of flexible OLED and performance degradation of flexible OLED equipment, and achieve low water vapor transmission rate, Good bendability, high light transmittance effect

Active Publication Date: 2022-07-19
JILIN OPTICAL & ELECTRONICS MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the binary structure, the inorganic materials are prone to pinholes and cracks during the deposition process, so that the formed film can directly permeate moisture and oxygen, resulting in a decrease in the performance of flexible OLED devices
In addition, the inherent brittleness of inorganic materials is not suitable for flexible OLED applications.

Method used

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  • A kind of curable film-forming composition monomer and its composition and application of the composition
  • A kind of curable film-forming composition monomer and its composition and application of the composition
  • A kind of curable film-forming composition monomer and its composition and application of the composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A preparation method of an encapsulation film, comprising the following steps:

[0033] Step S1: Processing of Organic Layer Materials

[0034] Wherein component A selects composition monomer L001, component B selects 2-methyl-2-acrylic acid-1,12-dodecanediol ester and 2-acrylic acid 2-([1,1'-biphenyl]- 2-oxy) ethyl ester, component C selects (2,4,6-trimethylbenzoyl) diphenylphosphine oxide for use;

[0035] 2-Methyl-2-acrylic acid-1,12-dodecodiol ester, 2-acrylic acid 2-([1,1'-biphenyl]-2-oxy)ethyl ester, (2,4,6- The structural formula of trimethylbenzoyl) diphenylphosphine oxide is as follows:

[0036]

[0037] Weigh 95g of composition monomer L001 (component A), 609g of 2-methyl-2-acrylic acid-1,12-dodecanediol and 276g of 2-acrylic acid 2-([1,1'- Biphenyl]-2-oxy)ethyl ester (component B) and 20 g of (2,4,6-trimethylbenzoyl)diphenylphosphine oxide (component C), mixed together at 50 Stir under vacuum at ℃ for 80 hours, then filter with a syringe filter, and us...

Embodiment 2

[0046] A preparation method of an encapsulation film, wherein in step S1, component A: the mass of the composition monomer L001 is replaced by 200g; component B: the mass of 2-methyl-2-acrylic acid-1,12-dodecodiol ester is replaced is 545g, and the mass of 2-([1,1'-biphenyl]-2-oxy)ethyl 2-acrylate is replaced by 235g; the others are the same as in Example 1.

Embodiment 3

[0048] A preparation method of a packaging film, wherein in step S1, component A: the mass of the composition monomer L001 is replaced by 300 g; component B: the mass of 2-methyl-2-acrylic acid-1,12-dodecodiol ester is replaced It is 475g, and the mass of 2-([1,1'-biphenyl]-2-oxy)ethyl 2-acrylate is replaced by 205g; the others are the same as in Example 1.

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Abstract

The invention relates to the technical field of thin film encapsulation, in particular to a curable film-forming composition monomer, a composition thereof, and an application of the composition. The structural formula of the composition monomer is as follows: A composition monomer and a composition thereof, the composition includes a composition monomer, the composition is used as an organic layer material, an inorganic layer and an organic layer are repeatedly and alternately stacked to prepare an encapsulation film for an organic light-emitting device, and the prepared encapsulation film enables light emission The device is isolated from oxygen and moisture, so as to achieve the purpose of protecting the organic light-emitting device.

Description

technical field [0001] The invention relates to the technical field of thin film encapsulation, in particular to a curable film-forming composition monomer, a composition thereof, and an application of the composition. Background technique [0002] To meet the growing market demand for flexible display devices, organic light-emitting diodes (OLEDs) are considered to be the most promising next-generation flexible lighting devices. However, the first problem to be considered before applying flexible OLEDs is the problem of flexible packaging, because flexible OLEDs are very susceptible to moisture and oxygen, and flexible OLEDs are easily degraded under environmental conditions with oxygen or moisture. In order to solve this problem, many researchers have carried out a lot of research work in order to effectively encapsulate flexible OLEDs. One of the most common encapsulation methods is to use organic or inorganic binary structures alternately to deposit binary films as mois...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F7/08C08F222/14C08F230/08C08F220/30H01L51/52
CPCC07F7/0834C08F222/102C08F230/085H10K50/844C08F220/301
Inventor 于哲姜晓晨朴凤昊杜磊赵阔马晓宇王辉
Owner JILIN OPTICAL & ELECTRONICS MATERIALS
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