碱土金属氧化物对OLED基板玻璃高温熔体性能影响研究

doi:10.16552/j.cnki.issn1001-1625.2025.0452

硅酸盐通报 ›› 2025, Vol. 44 ›› Issue (10): 3826-3832.DOI: 10.16552/j.cnki.issn1001-1625.2025.0452

碱土金属氧化物对OLED基板玻璃高温熔体性能影响研究

田英良, 王忠宇, 李志峰, 赵志永

北京工业大学材料科学与工程学院,北京 100124

收稿日期:2025-04-30 修订日期:2025-05-26 出版日期:2025-10-15 发布日期:2025-11-03
通信作者: 赵志永,博士,讲师。E-mail:zhaozhiyong@bjut.edu.cn
作者简介:田英良(1969—),男,博士,教授。主要从事新型玻璃材料方面的研究。E-mail:tianyl@bjut.edu.cn
基金资助:
国家重点研发计划项目子课题(2022YFB3603301-02)

Effects of Alkaline Earth Metal Oxides on High-Temperature Melt Properties of OLED Substrate Glass

TIAN Yingliang, WANG Zhongyu, LI Zhifeng, ZHAO Zhiyong

College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China

Received:2025-04-30 Revised:2025-05-26 Published:2025-10-15 Online:2025-11-03

摘要/Abstract

摘要： 高温熔体特性不仅影响有机发光二极管(OLED)基板玻璃的熔化与制备,还影响OLED器件的性能和使用寿命。本文以无碱铝硼硅酸盐玻璃作为OLED基板玻璃研究对象,系统探究SrO/MgO摩尔比对OLED基板玻璃高温熔体特性(高温黏度、高温电阻率、表面张力)的影响。结果表明:随着SrO/MgO摩尔比增大,玻璃熔体高温黏度呈非线性变化,在SrO/MgO摩尔比为3.31时,高温黏度达到极大值;1 600 ℃下,熔体高温电阻率平均提高32.22%,熔体表面张力平均下降2.47%。本研究为优化OLED基板玻璃的关键工艺性能提供了科学依据,对工业化生产制造具有重要指导意义。

关键词: 有机发光二极管, 基板玻璃, 高温黏度, 高温电阻率, 表面张力

Abstract: The properties of high-temperature melts not only affect the melting and preparation of organic light-emitting diode (OLED)substrate glass but also influence the performance and service life of OLED devices. In this paper, alkali-free aluminoborosilicate glass was taken as the research object, and the influence of SrO/MgO molar ratio on the properties of high-temperature melts of OLED substrate glass (high-temperature viscosity, high-temperature resistivity, and surface tension) was systematically explored. The results show that with the increase of the SrO/MgO molar ratio, the high-temperature viscosity of the glass melt shows a nonlinear change, and when the SrO/MgO molar ratio is 3.31, the high-temperature viscosity reaches a maximum value. The high-temperature resistivity of the melt at 1 600 ℃ is increased by an average of 32.22%, and the melt surface tension decreases by an average of 2.47%. This study provides a scientific basis for optimizing key process performance of OLED substrate glass and has important guiding significance for industrial production and manufacturing.

Key words: organic light-emitting diode, substrate glass, high-temperature viscosity, high-temperature resistivity, surface tension

中图分类号:

TQ171.6⁺2

田英良, 王忠宇, 李志峰, 赵志永. 碱土金属氧化物对OLED基板玻璃高温熔体性能影响研究[J]. 硅酸盐通报, 2025, 44(10): 3826-3832.

TIAN Yingliang, WANG Zhongyu, LI Zhifeng, ZHAO Zhiyong. Effects of Alkaline Earth Metal Oxides on High-Temperature Melt Properties of OLED Substrate Glass[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2025, 44(10): 3826-3832.

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碱土金属氧化物对OLED基板玻璃高温熔体性能影响研究

Effects of Alkaline Earth Metal Oxides on High-Temperature Melt Properties of OLED Substrate Glass

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